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08-100487-UPr- December 8, 2009 SUBJECT_ 08-100490-00 CN, Holiday Inn E_vpress Federal Way, WA Revised Concurrency Decision The applicant's traffic engineer has submitted a local trip generation study for the proposed four story 90 unit hotel. The trip generation study was reviewed'and approved by the City_ The pro-rata share identified in the original Transportation Concurrency Analysis in the amount of $152,033 is proportionately adjusted to $59,237.74 to reflect trip generation data provided by the applicant. Based on the revised trip generation study, Traffic Division staff has made the following determinations: 1. Either construct the impacted Transportation Improvement Plan (TIP) project list below Project Location Description Total Pro - ID Rata Add HOV lanes, 2nd SB left -turn lane @ 288th, / SR 99 HOV Lanes Phase 3: S 284th St install raised median, signal @ SR 509 @ $956.60 141 - SR 509 Redondo Wy S with interconnect to i lth PI S _ Add 2nd NB, WB left -turn lanes, WB right -turn n% 131 S 320th St g 1st Ave S lanes, widen 1st Ave S to 5 lanes to S 316th St. S 1,793.87 102 SR 99 n S 356th St Add WB thru lane, EB, NB left -turn lanes $10,841.51 f / Add WB, SB right -turn lanes, 2nd EB, WB left- (P 135 S 348th St @ tst Ave S turn lanes S5,144.81 / 10th Ave SW / SW 344th St: SW 146 Campus Dr - 21st Ave SW Extend 3-lane collectors, sidewalks, street lights $518.40 148 1st Ave S nr S 328th St Install raised median, improve access at 328th $680.19 ' 139 S 320th St 20th Ave S Add 2nd left -turn lanes EB, WB $707.55 Add 2nd left -turn lanes all approaches, WB 170 21stAve SW a SW 336th St right -turn lane S4,682.08 SR 99 HOV Lanes Phase 4: SR 509 - S YJ 159 312th St Add HOV lanes, install raised median $7,992.9_ J 171 SR 99 S 312th St Add 2nd NB left -turn lane $1,930.66 Widen to 5 lanes, bike lanes, sidewalks, IV 157 S 356th St: SR 99 - SR 161 illumination $15,629 25 i Extend 3 lane principal collector and signal at 151 S 352nd St: SR 99 - SR 161 SR-99 $5,317.92 iiiCCC��J SW 336th Wy ( SW 340th St: 26th P1 168 SW - Hoyt Rd Widen to 5 lanes $3,041.98 Total $59,237.74 Or in lieu of construction these improvements, prior to issuance of the building pen -nit, the applicant shall 2_ Pay a pro-rata share contribution of $59,237.74 toward the impacted TIP projects. r�l You have 14 calendar days from the date of this letter to inform us which of the following Options you will pursue in response. If you fail to respond to this letter within 14 days of the date of this letter, your project will not be approved. Please indicate with a checkmark in the appropriate box of your decision, sign, and date this letter in the space below, and return a copy to us. If you are providing additional information under Options B or C below, these submittals are also due within 14 calendar days from the date of this letter. Once we have reached agreement on the subject project, we will issue a Capacity Reserve Certificate, allowing your project to proceed with other applicable permit processes_ If you have any questions or need additional information, please feel free to contact me at 253-835-2743 or yaradv.lon�a,city , Sar d� Long Senior ran -;i1inu Engineer I_ I OPTIONS: ❑ A. I accept the staff determination for mitigating the transportation impacts of the subject project. ❑ B. I am reducing the trip generation of the subject project by any combination of revised land uses and travel demand management measures. Attached is the revised project description. ❑ C. I am submitting an analysis rebutting the staff analysis and/or provide alternative mitigation measures. Attached is the analysis supporting my proposal. ❑ D. I will appeal the underlying development permit decision. Applicant Date L'\DEPT\Pw\TRA\Concurrency\08100490_Holidav_Xpress\Revised Holiday Express determination 1-1-4-09.doc MEMORANDUM Public Works Department DATE: 8/ 10/09 TO: David Lee FROM: Ann Dower SUBJECT: HOLIDAY INN EXPRESS - (08-100487-00-UP) 34839 PACIFIC HWY S; Public Works Review The information provided on 8/10/09 has been reviewed. The applicant must make the following changes. If desired, these changes can be made to the building permit plans as long as the changes are also made conditions of the land use approval. 1. Provide a survey that has been stamped and signed by a licensed surveyor. 2. The landscape plan must include street trees and permanent restoration of the area within the wetland buffer that will be disturbed by construction. 3. The Typical Street Section on sheet 2 of the civil plans must be corrected. The curb is 6" (not 4'1 and the planter strip must be shown. The cross section must also include street trees and streetlights. Tapers will be determined during building permit review. CITY OF Ak Federal Way December 8, 2008 Mr. Dale Sweeney 5715 143`d Place SE Bellevue, WA 98006-4341 RE: Folder No. 08-I04264-000-00-SM Holiday Inn Express - 34839 Pacific Hwy S Right -of -Way Modification Response Dear Mr. Sweeney: CITY HALL 33325 8th Avenue South Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www.cityoffederalway.com City of Federal Way staff has reviewed your request to locate a driveway near the north property line of this project. The proposed location of this driveway will bring it to within approximately 100 feet (centerline to centerline) of the existing driveway on the adjacent property to the north of your site. The property's southern boundary is approximately 255 feet from the centerline of the driveway to the north; therefore the required driveway spacing of 250 feet cannot be met. A joint access with the property owner to the south has been requested and refused. Given current driveway configurations, staff supports the proposed location of the driveway, however, the driveway will be restricted to right in/right out. Staff recommends that you continue to pursue a joint access driveway with the property to the south. If you have any questions regarding this matter, please contact me at (253) 835-2730. Sincerely, William ppleton, eP.E Development Services Manager WA\AD:cc cc: Ann Dower, Engineering Plans Reviewer Sanjeev Tandle, Contract Traffic Engineer Project File Day File L:\CSDC\DOCS\SAVE\28042663056.DOC Ann Dower From: flickwit [flickwit@comcast.net] Sent: Tuesday, November 25, 2008 11:27 AM To: Ann Dower Subject: FW: property access Dale Sweeney Office: 425-260-8969 From: Kevin O'Brien [ma I Ito: KO@taylordev.com] Sent: Friday, November 21, 2008 9:46 AM To: flickwit Subject: RE: property access Mr. Sweeney, We held a pre -application meeting with Federal Way Staff on 8/23/07, file #07-104065-00-PC where we proposed our project. We are not in support of a combined access with your proposed project and our site plan will not support a thru connection due to proposed building locations and F.A.R. Thanks, K O'Brien From: flickwit [mailto:flickwit@comcast.net] Sent: Thursday, November 20, 2008 4:30 PM To: Kevin O'Brien Subject: property access Mr. O'Brien We have submitted plans for a new Holiday Inn Express hotel at 34839 Pacific Highway South in Federal Way adjacent (to the north) to property owned by your company. Code dictates that there may be only one street access from Pacific Highway within two -hundred and fifty feet. Two -hundred and fifty feet from the nearest access to the north is beyond the south property line of our project site. The City of Federal Way has requested that we contact you to discuss the possibility of a joint access from your property. Please at your earliest convenience contact me to discuss this issue. Thank you for your attention. Sincerely, Dale Sweeney Office: 425-260-8969 ti_Y ?»r'3Q pacific. Hv.y S.,Federal Way, VVA 98003 _. fit► .� ! - ra l I I 1 1711l _ 7 I �' fa rAK. ." r.. a. • .. .w r• i .. � -''-- .�.F •.. as w.�.. . . r Goos poVnrvr 87"-"22A6'k 122'S4'Q5.i39'VII. alnr .ii: h=SFiniirii_ng-i!11411i11--�'�a•`•'r•-�ynaN '+'3 41 RECEIVED Bale 6weemey - AreWdeet SEP 10 Z008 5715 143rd Place S.E. ai5-zso s ss 98006 F FEDERAL WAY CITY CDS OS - /41FZ�1-60 -sN Ken Miller City of Federal Way Commun:t� Development , OU UP Re: Vreq►fest for street access for 08-I00490-00 CN Holiday Inn Express. September 2, 2008 In reference to the street access from Highway 99 into the site: The orientation of the building works best as is with the entrance facing north since most of the incoming traffic will be approaching from that direction. Also, it provides the maximum space between the guest rooms of the hotel and the buildings to the north. Since the property to the south is vacant, it is preferable to have the porte cochere/entry on the north side and the main building with the guest rooms on the south. Since the 250 foot distance from the nearest access to the north would go beyond the south property line of the site, a non -conforming solution is required. With the building orientation as it is currently shown on the site plan, it is preferable for circulation to have the access from Highway 99 in line with the drive aisle to the entry. We believe that with the right-in/right-out only access, it would not pose a problem with the nearest street access to the north. Therefore, we request a variance Please contact me with any questions or comments. Dale Sween chitect 1% CITY OF � Federal Way DATE: April 30, 2008 TO: David Lee FROM: Ann Dower SUBJECT: HOLIDAY INN EXPRESS - (08-100487-00-UP) 34839 PACIFIC HWY S Landscape Plan MEMORANDUM Public Works Department 1. The landscape plan must accurately reflect the frontage improvements and provide approved street trees within the planter strip. Street trees must be 2.5" caliper, and selected from the following: • Acer rubrum'Red Sunset'. 'October Glory', or'Autumn Blaze' (Red Maple) • Fraxinus americana 'Rosehill' or Fraxinus oxycarpa 'Raywood' (Rosehill or Raywood Ash) • Under Power Lines. Acer griseum (Paperbark Maple) or Carpinus japonica (Japanese Hornbeam) 2. The landscape plan must include restoration of the stream buffer where the storm water discharge pipe will be installed. Survey 3. The survey must be signed and dated by the surveyor. Site Plan (ST3.0) 4. The site plan must accurately show the frontage improvements. Civil Plans 5. Please review table 4.1 in the 1998 King County Surface Water Design Manual (KCSWDM) to determine setback widths between storm water pipes and buildings. 6. Extension of the storm water conveyance system into the stream buffer will require hearing examiner approval. 7. Show all existing utilities, including water, sewer, storm, fire hydrants, overhead and underground utilities, and gas. 8. Show typical dimensions of parking stalls and drive aisles. 9. The right-of-way width must total 62' between curb and centerline, assuming a symmetrical cross section. The 5' dedication shown is insufficient. In addition, the proposed street width is incorrectly shown and must be widened to 45', curb.to centerline. A 6' planter strip must be provided between the curb and 8' sidewalk. Show accurately in all plan views and in cross section. 10. FWCC Section 16-47 requires that overhead utility lines be relocated underground if over 500 feet, or three spans are affected by a project. If two poles are to be relocated, as shown on sheet 2, then three spans are affected and the utilities must be placed underground. Technical Information Repo 11. Please review section 1.2.2 of the KCSWDM and provide a complete downstream analysis. This must be completed prior to land use approval. 12. Treatment and detention sizing must be done using KCRTS. SBUH method is approved only for conveyance sizing. If the treatment facility is downstream of detention, treatment must be , provided for the full 2-year release rate from the detention facility (full 2-year pre -developed .peak flow rate). ' SEPA Checklist 13. Item B.1.e. must include approximate quantities of cut and fill. 14. Item B.3.c.1 requires that the source of runoff be stated. 15. Item B.3.d needs to describe the types of systems proposed and state that the project will meet the requirements of the 1998 King County Surface Water Design Manual. 16. Item B.14.d. is incorrect. Please describe the required street frontage improvements. COMMERCIAL LAND USE REVIEW CHECKLIST Project Name: Date: 1� 0 Project No.: -40F J By: Circled items need to be addressed. Checked items are complete. COMPLETENESS REVIEW: The following items are required: j,,"' Site plan Drainage plan (may be shown on site plan) Level 1 Downstream Analysis -V­ Core/Special Requirements Summary_ Traffic Impact Analysis ;ram rn•J k e-,64:t� SEPA Checklist TECHNICAL LAND USE REVIEW: The following items must be shown on the plans: Gener 1 information: Scale North Arrow — j/ -Vicinity map Area of site �-Impervious area Zf Preliminary grading showing existing and proposed contours, minimum 5' interval Existing abutting streets, including name, width, and existing improvements Existing utilities: water, sewer, storm, fire hydrants, phone, overhead and undergro nd power, gas, cable, etc. l7Streams, ponds, wetlands, etc. within 25' of site. Existing and proposed buildings with dimensions Existing and proposed easements and property lines Dimensions of proposed parking stalls and aisles Required frontage improvements: street widening sidewalk planter strip (planter areas in City Core) i streetlights street trees utility strip right-of-way dedication plan and cross-scction views provided Right -of -Way Modification Request submitted f - 2_ "k.a ':t � ' TI" & �' U1rU2 Required storm water control and treatment: wq treatment meets applicable standard (Basic or Resource Stream) wq size is approximately correct wq treatment train is in the right order per KCSWDM detention/retention meets Level 1, 2, or 3 sizing requirements if property is outside City Center, facilities are above -ground conveyance system with pipe sizes and catch basins plan and two cross-section views provided for ponds ponds and pond walls meet setbacks from property lines, buildings, slopes, wetlands, and streams no alterations to wetland buffer without Hearing Examiner approval Downstream Analysis Topo map of the study area with drainage features shown Resource Review, including Federal Way SWM Comprehensive Plan Study area inspection (minimum '/a mile downstream, or where site constitutes 15% of total tributary area) Drainage system description (same distance as above) Proposed mitigation measures — Level 2 Study required? SEPA mitigation measures required? Core/Special Requirements Summary rZ Project Overview i Conditions and Requirements Summary ' Proposed Flow Control explanation - detention/retention meets Level 1, 2, or 3 sizing requirements and matches plans /Proposed Water Quality explanation - wq treatment meets applicable standard (Basic or Resource Stream), sizing is approximately correct and matches plans —�� Proposed Conveyance System description List of other permits required for this project. Have applications been submitted? IACOMMERCIAL LAND USE REVIEW CHECKLIST.doc CRICAGO TITLE INSURANCE COMPAN'rl 701 FIFTH AVP—VUE, 03-ADD, SEATII.E WA 98104 STANDARD OWNER POLICY Sc)HEDULE A Policy No.: 1223248 Amount of Date of Policy: DECEMBER 25, 2007 at 8:00 AM Insurance: $1,575,000.00 1. Name of Insured: FIFE MOTEL, INC., A WASHINGTON CORPORATION AS TO A 40% INTEREST, FARUQ RAMZANANALLI, PRESUMPTIVELY SUBJECT TO THE COMMUNITY INTEREST OF A SPOUSE, IF MARRIED AS TO A 20% INTEREST, SPIRADEX, INC., A WASHINGTON CORPORATION AS TO A 20% INTEREST, AND ALFRED KIM, A SINGLE PERSON, AS TO A 20% INTEREST I The estate or interest in the land which is covered by this policy is: FEE SIMPLE 3. Title to the estate or interest in the land is vested in: FIFE MOTEL, INC., A WASHINGTON CORPORATION AS TO A 40% INTEREST, FARUQ RAMZANANALLI, PRESUMPTIVELY SUBJECT TO THE COMMUNITY INTEREST OF A SPOUSE, IF MARRIED AS TO A 20% INTEREST, SPIRADEX, INC., A WASHINGTON CORPORATION AS TO A 20% INTEREST, AND ALFRED KIM, A SINGLE PERSON, AS TO A 20% INTEREST 4. The land referred to in this policy is described as follows: THAT PORTION OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SECTION 20, TOWNSHIP 21 NORTH, RANGE 4 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SAID SECTION 20; THENCE NORTH 00"21'53" EAST ALONG THE WEST LINE OF SAID SUBDIVISION 326.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 87026'19" EAST 704.31 FEET TO THE WESTERLY MARGIN OF PACIFIC HIGHWAY SOUTH; THENCE SOUTH 21°50'33" WEST ALONG SAID WESTERLY MARGIN 204.82 FEET; THENCE NORTH 86°07'16" WEST 629.93 FEET TO THE WEST LINE OF SAID SUBDIVISION; THENCE NORTH 00*21153" EAST ALONG SAID WEST LINE 179.10 FEET TO THE TRUE POINT OF BEGINNING. ALv oeA/RDA/mm RECEIVED JAN 31 2008 CITY OF FEDERAL WAY CDS CHICAGO TITLE INSURANCE COMPANY STANDARD OWNER POLICY SCHEDULE B Policy No.: 1223248 EXCEPTIONS FROM COVERAGE This policy does not insure agamL r loss or damage (and the Company will not pay costs, attorneys, fees or expenses) which arise by reason of: GENERAL EXCEPTIONS: A. Rights or claims of parties in possession, or claiming possession, not shown by the Public Records. B. Any encroachment, encumbrance, violation, variation, or adverse circumstance affecting the Title that would be disclosed by an accnram and complete land survey of the Land. C. Easements, prescriptive rights, rights -of -way, liens or encumbrances, or claims thereof, not shown by the Public Records. D. Any lien, or right to alien, for contributions to cmploym benefit funds, or for state workers' compensation, or for services, Labor, or material heretofore or hcroafter furnished, all as imposed by law, and not shown by the Public Records. E. Taxes or special assessments which are not yet payable or which are not shown as existing liens by the Public Records. F. Any licn for senice, installation. connection, maintenance, tap, capacity, Or construction or similar cbargcs For sewer, water, clecl ricity, natural gas or other utilities, or for garbage caIlectioa and disposal nut shown by the Public Records. G. Unpatented non claims, and all rights relating thereto; reservations and exceptions in United States Patents or in Acts autharixing the issuance thereof; Indian tribal codes or regulations, Indian treaty or aboriginal rights, including easements or equitable servitudes. H. Water rights, claims or title to water. SPECIAL EXCEPTIONS: A 1.EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: PUGET SOUND POWER & LIGHT COMPANY PURPOSE: POLE LINE AREA AFFECTED: AS NOW LOCATED, STAKED OUT AND ESTABLISHED RECORDED: DECEMBER 14, 1953 RECORDING NUMBER: 4404206 r1 2.EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: PURPOSE: AREA AFFECTED: PUGET SOUND POWER & LIGHT COMPANY ELECTRIC LINE TO BE LOCATED AS NOW STAKED ALTAOPB bk 5117/07 CHICAGO TITLE INSURANCE COMPANY RECORDED: RECORDING NUMBER: STANDARD OWNER POLICY SCHEDULE B (Continued) Policy No.: 1223248 SPECIAL EXCEPTIONS OCTOBER 2, 1964 5801644 c 3. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: LAKEHAVEN SEWER DISTRICT PURPOSE: SEWER MAINS AREA AFFECTED: CENTRAL PORTION OF SAID PREMISES RECORDED: AUGUST 20, 1985 RECORDING NUMBER: 8508200815 a 4. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: FEDERAL WAY WATER AND SEWER DISTRICT GRANTEE: PURPOSE: SEWER MAINS CENTRAL PORTION OF SAID PREMISES AREA AFFECTED: RECORDED: JULY 24, 1987 RECORDING NUMBER: 8707240919 s 5. EXCEPTIONS AND RESERVATIONS CONTAINED IN DEED: FROM: ROBERT LLOYD WRIGHT, AS HIS SEPARATE ESTATE RECORDED: JULY 16, 1998 RECORDING NUMBER: 9807160924 AS FOLLOWS. GRANTOR MAY KEEP THE EXISTING BUILDINGS ON THE SITE AFTER CLOSING. IN THE EVENT THE GRANTEE GIVES THE GRANTOR WRITTEN NOTICE OF REMOVAL OF BIIILDINGS FROM THE SITE, INCLUDING NECESSARY SUPPORTING STRUCTURES, DEVICES AND FACILITIES ETC., GRANTOR WILL MOVE THE BUILDINGS OUT FROM THE SITE WITHIN SIXTY (60) DAYS FROM THE DATE THE WRITTEN NOTICE FROM THE GRANTEE IS RECEIVED. ALSO GRANTOR AGREES TO KEEP THE SITE IN THE CLEAN AND CLEAR CONDITION AFTER THE BUILDINGS ARE REMOVED. IF THE GRANTOR FAILS TO REMOVE THE BIIILDINGS WITHIN THE SAID PERIOD THE GRANTEE MAY REMOVE THE BUILDINGS AT THE EXPENSE OF THE GRANTOR. r 6. AGREEMENT AND THE TERMS AND CONDITIONS THEREOF: BETWEEN: AND: RECORDED: ROBERT L. WRIGHT MICHAEL INDORF AND CITY OF FEDERAL WAY APRIL 29, 2002 ,u.Tr.nPa a,xns �o� CEIICAGO TITLE INSURANCE COMPANY STANDARD OWNER POLICY SCHEDULE B (t: aatinued} Policy No.: 1223248 SPECIAL EXCEPTIONS RECORDING NUMBER: 20020429001218 REGARDING: PERMISSION TO USE PROPERTY AND REIMIBURSE THE CITY FOR POTENTIAL ABATEMENT COSTS NOTE 1: A SURVEY HAS BEEN RECORDED UNDER RECORDING NUMBER 8802199003. as 7. TERMS AND CONDITIONS OF AN UNRECORDED LEASE DATED OCTOBER 23, 2003 BETWEEN ROBERT L. WRIGHT (LANDLORD) AND CLEAR CHANNEL OUTDOOR. ar NOTE 1: GENERAL AND SPECIAL TAXES AND CHARGES, PAID IN FULL: YEAR: 2007 TAX ACCOUNT NUMBER: 202104-9044-06 LEVY CODE: 1205 ASSESSED VALUE -LAND: $ 868,600.00 ASSESSED VALUE -IMPROVEMENTS: $ 1,000.00 AMOUNT BILLED AND PAID: $ 10,941.05 AUTHORIZED SIGNATORY Loan Policy Endorsements: NONE Owner's Policy Endorsements: NONE ALTA0PB2/ROA/0M r Your reference: INC. ENDORSEMENT Attached to and forming a part of policy No. 1223248 Issued By CHICAGO TITLE INSURANCE COMPANY Dated: December 25, 2007 E+oor/3-21-921sc hale Sweeney - ArelRiteet 5715 143rd Place S.E. Bellevue, WA 98006 425-260.8969 flickwit@comcast.net City of Federal Way Department of Community Development January 30, 2008 Federal Way Holiday Inn Express 34839 Pacific Highway S. Federal Way, Washington Parcel # 2021049044 PROJECT NARRATIVE: The project is a new construction, four storey, ninety unit hotel of type VA (sprinkled) construction. There is a stream on site with one -hundred foot buffers and a wetland on adjacent properties with a one -hundred foot buffer that extends into the project site. There are two existing buildings on site to be demolished. One is a one -storey maintenance/storage building and the other is a one -storey office construction building. There are to be ninety-two parking spaces including four handicapped. A Site Plan, Topographical Survey, Civil Drawings, Landscape Plan, Lighting Plan, Soils Report, and Wetlands and Stream Assessment have been provided. Please contact me with any questions. Dale Sweeney - Architect RECEIVEU�1, JAN 31 2008 CIFfY OF FEDERAL WAY CDS GeoResourcesLLC Ph 253-896-1011 Fx 253-896-2633 Mr. Dale Sweeney 5715 — 143d Place SE Bellevue, Washington 98006 5007 Pacific Hwy. E., Suite 20 Fife, Washington 98424 January 28, 2008 Geotechnical Report Proposed Hotel 34839 Pacific Highway South Federal Way, Washington Job Name: Sweeney, D.PacHwyS INTRODUCTION This report summarizes the results of our geotechnical engineering services for the proposed new hotel to be constructed at 34839 Pacific Highway South in Federal Way, Washington. The approximate location of the site is shown on Figure 1. Our understanding of the project is based on our discussions with you, our review of the available project plans and our local experience with similar projects in the vicinity of the site. We were provided with a preliminary a site plan showing the planned building location and parking lot configuration. The plan indicates the project will consist of constructing a new 4-story hotel building in the approximate center of the site with parking areas provided along all sides. An access driveway will enter the site from Pacific Highway South at the sites' northeast corner and lead to a porte cochere over the main building entrance along the north side of the building. Site stormwater will discharge to a detention pipe located under the south parking lot. The site layout is shown on the Site Plan, Figure 2. No topographic site plan was available at the time of our study. However, based on our observations at the time of our site visit, we expect cuts and fills up to 10 feet to achieve finish grades. Although specific design details are not, available, we expect the structure will consist of typical spread footing foundations with slab -on -grade floors. Foundation loads should be in the range of 4 to 6 kips per foot for bearing walls and up 100 kips for isolated columns. SCOPE The purpose of our services is to evaluate the surface and subsurface conditions at the site as a basis for developing and providing geotechnical recommendations and design criteria for the proposed site development. Specifically, the scope of services for this project included the following: 1. Conducting a geologic reconnaissance of the site area. 2. Exploring the subsurface conditions at the site by monitoring the excavation of four track -hoe excavated test pits at selected locations across the site. JAN 31 2008 CITY OF FEDERAL WAY CDS Dale Sweeney January 28, 2008 Page 2 3. Addressing the appropriate geotechnical regulatory requirements for the proposed site development, including seismic hazards and liquefaction potential. 4. Providing geotechnical recommendations for site grading including site preparation, subgrade preparation, fill placement criteria, suitability of on -site soils for use as structural fill, temporary and permanent cut and fill slopes, and drainage and erosion control measures. 5. Providing recommendations and design criteria for foundation and floor slab support, including allowable bearing capacity, lateral soil pressures and estimates of settlement. 6. Providing recommendations for discharge of the site stormwater. 7. Providing recommendations and design criteria for parking lot pavements. 8. Providing recommendations for site drainage. SITE CONDITIONS Surface The approximate 2.5-acre project site is located at 34839 Pacific Highway South in the city of Federal Way, Washington. The project site is bordered with undeveloped property to the south and west, a hotel to the north, and Pacific Highway South to the east. The site is currently developed with a small one-story commercial building in the northeast corner, a small one-story metal building in the approximate center of the site, and a few outbuildings at various locations along the east end of the site. Surface grades at the site slope down to the west at surface inclinations ranging from 5 to 15 percent. Towards the western end of the site, surface grades increase to approximately 20 to 35 percent down to a wetland area along the western property line. The slope down to the wetland along the sites' western property line is approximately 20 feet tall. The majority of the site is covered with either grass or gravel. The west end of the site is vegetated with various medium-sized coniferous and deciduous trees with moderately thick underbrush. No areas of erosion were apparent on the site slopes; no standing water was observed on the site at the time of our site work. Soils The United States Department of Agriculture (USDA) Natural Resource Conservation Service (NRCS), formerly known as the Soil Conservation Service (SCS), for King County has mapped the site soils as consisting of Everett-Alderwood gravely sandy loam (EwC) soils that form on 6 to 15 percent slopes. According to the NRCS, the Everett-Alderwood soils at the site have a "moderate" potential for erosion when exposed. We observed no active erosion in the site area during our reconnaissance. Based on our observations, the site soils will have a low susceptibility to erosion, particularly where vegetation is established. An excerpt from the NRCS map is provided in Figure 3. Geology According to the Geologic map of the Poverty Bay 7.5 Minute Quadrangle, Washington, by Derek B. Booth, Howard H. Waldron, and Kathy G. Troost (2003), the site is underlain by Recessional outwash (Qvr). This soil unit is described as well stratified sand and gravel deposited by streams and rivers issuing from the front of the receding ice sheet. It is generally lightly oxidized and commonly very compact. In our opinion, based on the Dale Sweeney January 28, 2008 Page 3 soils observed in our test pits, the site soils would be better classified as glacial Till (Qvt). This soil unit is described as a compact mixture of sand, gravel, silt and clay. An excerpt from the USGS map is provided in Figure 4.. Subsurface Explorations On November 2, 2007, a representative from our office was on site to explore subsurface conditions at the site by observing the excavation of 4 trackhoe test pits to a maximum depth of 10 feet below existing surface grades. The approximate test pit locations are shown on the Site Plan, Figure 2 Our representative continuously monitored the excavations, maintained logs of the subsurface conditions encountered in each test pit, obtained representative soil samples, and observed pertinent site features. The specific number, location, and depth of the explorations were selected by GeoResources personnel in the field. The soils encountered were visually classified in accordance with the Unified Soil Classification System (USCS) provided in Figure 5. The explorations performed as part of this evaluation indicate subsurface conditions at specific locations only and actual subsurface conditions can vary across the site. Furthermore, the nature and extent of any such variation would not become evident until additional explorations are performed or until construction activities have begun. The test pit logs are provided in Figure 5. Representative soil samples obtained from the test pits were placed in sealed containers and taken to a laboratory for possible further examination and testing. Subsurface Conditions The subsurface conditions encountered in the test pits were fairly uniform. The soils we observed in the test pits generally consist of 6 inches of topsoil overlying old fill and silty sand with gravel consistent with glacial till. In Test Pits TP-1, TP-3 and TPA we encountered loose to medium dense, moist fill consisting of silty sand with gravel and occasional topsoil and construction debris to depths ranging from 1 to 7'/z feet below surface grades. The fill was thicker towards the west end of the site. Underlying the fill in Test Pits TP-1, TP-3 and TP-4, and in Test Pit TP-2, we encountered medium dense to dense, moist silty sand with gravel consistent with glacial till. We did not encounter groundwater seepage in any of the test pits excavated at the site. To the depths explored, we did not encounter mottled soils or other evidence suggesting a seasonal groundwater table develops at the site. However, based on the mapped stratigraphy of the area and the existence of fill over dense glacial till, we do anticipate a seasonal [perched groundwater table will develop under the site during the wet winter months (October through May). This water table will fluctuate seasonally due to precipitation, and future development both on and near the site. GEOLOGIC HAZARDS Erosion Section 18-28 in the City of Federal Way municipal code defines erosion hazard areas as those areas having a "severe" or "very severe" erosion hazard due to natural agents such as wind, rain, splash, frost action or stream flow. The USDA NRCS has mapped the site soils as Everett-Alderwood soils having a "moderate" potential for erosion due to rainfall when exposed. Regardless of the erosion classification of the site, erosion and sediment control measures as required by the city of Federal Way will need to be in place prior to and during construction activity at the site. Dale Sweeney January 28, 2008 Page 4 Landslide Section 18-28 in the City of Federal Way municipal code defines landslide hazard areas as those areas potentially subject to episodic downslope movement of a mass of soil or rock including but not liimited to the followiing areas: a. Any area with a combination of: 1. Slopes greater than 15 percent; 2. Permeable sediment overlying a relatively impermeable sediment or bedrock; 3. Springs or groundwater seeps. b. Any area which has shown movement during the Holocene epoch, from 10,000 years ago to the present, or which is underlain by mass wastage debris of that epoch. c. Areas potentially unstable as a result of rapid stream incision, stream bank erosion, and undercutting by wave action. d. Areas located in a canyon or on an active alluvial fan, presently or potentially subject to inundation by debris flows or catastrophic flooding. e. Areas that have a "severe" limitation for building site development because of slope conditions, according to the USDA SCS. f. Those areas mapped as Class U (Unstable), Uos (Unstable old slides), and Urs (unstable recent slides) by the Department of Ecology. g. Slopes having a gradient steeper than 80 percent subject to rock fall during seismic shaking. No evidence of landslide activity, or significant erosion was observed at the site at the time of our site visit. We did observe slopes steeper than 15 percent but with no permeable sediment overlying relatively impermeable sediment or bedrock was observed, and no seepage. No planes of weakness or rockfall hazards were observed at the site. No other landslide hazard criteria were observed at the site or the immediate adjacent areas. Based on the above, it does not appear that the site has an active landslide hazard on or within 25 feet of the property. Steep Slope Section 18-28 in the City of Federal Way municipal code defines steep slope hazard areas as those areas with a slope of 40 percent or greater and with a vertical relief of 10 or more feet. Based on the topographic map provided to us and our observations during our site reconnaissance, the site does not have areas sloping greater than 40 percent with a vertical height of at least 10 feet, therefore the site is not classified as having steep slope hazard areas. Seismic The state of Washington has recently adopted the 2003 International Building Code (IBC). Based on the soil conditions encountered and the local geology, per chapter 16 of the 2003 (IBC) site class "C" should be used in structural design. This correlates to Soil Profile Type Sc in the 1997 Uniform Building Code (UBC). This is based on the inferred range of SPT (Standard Penetration Test) blow counts relative to trackhoe excavation progress and probing with a'/2-inch diameter steel probe rod. The presence of glacially consolidated soil conditions were assumed to be representative for the site conditions beyond the depths explored. Liquefaction is a phenomenon where there is a reduction or complete loss of soil strength due to an increase in water pressure. The increase in pore water pressure is induced by vibrations. Liquefaction mainly affects geologically recent deposits of loose, fine-grained sands that are below the groundwater table. Based on the medium dense Dale Sweeney January 28, 2008 Page 5 to dense and well -graded nature of the soils observed on the site, and the lack of an established water table to the depths explored, it is our opinion that there is no risk for liquefaction to occur at this site during an earthquake. CONCLUSIONS AND RECOMMENDATIONS General Based on our study, it is our opinion soil and groundwater conditions are suitable for the proposed commercial development. The multi -story structure can be supported on conventional spread footings bearing on competent native soils or on structural fill placed above these native soils. Floor slabs and pavements can be similarly supported. The upper 1 to 71h feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and trash debris and will not be suitable for support of structural elements, or for use as structural fill. Prior to construction, these unsuitable old fill soils should be removed from under new foundation and slab -on -grade areas and from under utility lines and structures. Grade should be restored with new structural fill. Parking lot pavements can be constructed on the native soils or the existing fill if the pavement section includes a drainage layer, and the exposed pavement subgrade can be compacted to a firm and non -yielding condition. Detailed recommendations regarding these issues and other geotechnical design considerations are provided in the following sections of this report. These recommendations should be incorporated into the final design drawings and construction specifications. Erosion and Sedimentation Control The City of Federal Way Municipal code defines erosion hazard areas as those areas having a severe or very severe erosion hazard due to natural agents such as wind, rain, splash, frost action or stream flow. As previously discussed, the USDA NRCS has mapped the site soils as Everett-Alderwood soils having a "moderate" potential for erosion due to rainfall when exposed. We observed no active erosion on the site or on the slopes adjacent the site area during our reconnaissance. In our opinion, the potential for erosion is not a limiting factor in site development. Erosion hazards can be mitigated by applying Best Management Practices (BMPs) outlined in the Washington State Department of Ecology's (Ecology) Stormwater Management Manual for the Puget Sound Basin. Erosion protection measures, as required by the City of Federal Way, will need to be in place prior to starting grading activity on the site. If the required erosion and sediment control BMPs are properly implemented and maintained, it is our opinion that the planned development will not increase the potential for erosion at the site or on adjacent properties. Similarly, it is our opinion that the planned development will not increase the potential for site instability resulting from erosion or added sediment transport to the watercourse along the west end of the property. Site Preparation and Grading To prepare the site for construction, all vegetation, organic surface soils, and other deleterious materials including any existing structures, foundations or abandoned utility lines should be stripped and removed from the site. Organic topsoil and the old fill containing organic and trash debris will not be suitable for use as structural fill, but may be used for limited depths in non-structural areas. Prior to construction, the existing fill containing topsoil and trash debris should be removed from under new foundation and i—) Dale Sweeney January 28, 2008 Page 6 slab -on -grade areas and from under the site utility lines and utility structures. Stripping depths ranging from 1 to 7 1/2 feet should be expected to remove these unsuitable soils. Once clearing and stripping operations are complete, cut and fill operations can be initiated to establish desired grades. Prior to placing fill, all exposed surfaces should be proofrolled or probed to determine if any isolated soft and yielding areas are present. Proofrolling should also be performed in cut areas that will provide direct support for new construction. We recommend that a member of our staff evaluate the exposed subgrade conditions after removal of vegetation and topsoil stripping is completed and prior to placement of structural fill. If excessively yielding areas are observed and cannot be stabilized in place by compaction, the affected soils should be excavated and removed to firm bearing soil and grade restored with new structural fill. The depth and extent of overexcavation should be evaluated by our field representative at the time of construction. Suitability of On -Site Materials as Fill Our study indicates the native soils are currently in a moist condition and contain a relatively high percentage of fines (silt and clay -size particles), which will make them difficult to use as structural fill in wet weather conditions. The existing fill soils contain varying amounts of organic and construction debris, which will make them unsuitable for use as structural fill. Accordingly, the ability to use the native and fill soils from site excavations as structural fill will depend on their moisture content, organic and construction debris content, and the prevailing weather conditions when site grading activities take place. If structural fill will be imported to the site and grading activities are planned during the wet winter months, or if they are initiated during the summer and extend into fall and winter, the owner should be prepared to import a wet weather structural fill. For this purpose, we recommend importing a wet weather structural fill as described in the "Structural Fill" Section of this report. Structural Fill All fill placed to establish finish grades and utility trench backfill should be placed as structural fill. The appropriate lift thickness will depend on the fill characteristics and compaction equipment used. We recommend that the appropriate lift thickness be evaluated by our field representative during construction. For planning purposes, we recommend a maximum loose -lift thickness of 12 inches. We recommend that our representative be present during site grading activities to observe the work and perform field density tests. Fill should be compacted to at least 95 percent of the soils laboratory maximum dry density (MDD) as determined in accordance with ASTM D-1557 (Modified Proctor). The moisture content of the soil at the time of compaction should be within two percent of its optimum, as determined by this same ASTM standard. The suitability of material for use as structural fill will depend on the gradation and moisture content of the soil. As the amount of fines (material passing the No. 200 sieve) increases, soil becomes increasingly sensitive to small changes in moisture content and compaction becomes more difficult to achieve. During wet weather, we recommend using a well -graded sand and gravel with less than 5 percent (by weight) passing the No. 200 sieve based on that fraction passing the 3/4-inch sieve. If prolonged dry weather prevails during the earthwork and foundation installation phase of construction, a slightly higher (up to 10 to 12 percent) fines content will be acceptable. Dale Sweeney January 28, 2008 Page 7 Material placed for structural fill should be free of debris, organic matter, trash and cobbles greater than 6 inches in diameter. The moisture content of the fill material should be adjusted as necessary for proper compaction. Building Setback Based on the soils encountered in the test pits, the mapped stratigraphy of the site, our site observations and our conclusion regarding site stability, it is our opinion that the site slopes do not constitute a landslide or steep slope hazard and therefore no geologic hazard area buffer is necessary. However, the City of Federal Way building department may require a building setback in accordance with IBC standard requirements. The IBC does require a building setback from slopes that are greater than 30 percent. According to the IBC, when the geotechnical report demonstrates that a reduced or eliminated setback, together with design and engineering solutions, will meet the intent of the chapter, such reduced or eliminated setback and design and engineering solutions may be permitted. Vegetation in the setback area may be enhanced, if approved/required by the City of Federal Way. Clearing, grading and filling within the setback area is allowed if it can be demonstrated that the existing vegetation will not be adversely impacted or that it can be mitigated (enhanced). In our opinion, the foundations for the structure should be provided with at least a 15-foot setback from the site slopes with surface inclinations that exceed 30 percent in accordance with the 2003 International Building Code (IBC). Where necessary, the building setback for the house foundations may be measured horizontally from the lower outside edge of the footing to the face of the steep slope, in accordance with UBC/IBC. Where this `Setback Modification' is utilized, the foundation elements should be extended vertically to meet the recommended setback criteria. This modification is based on the foundation elements extending to and being founded in the medium dense to dense native soils. Maintaining the prescribed setback in this manner provides the conventional foundation bearing prism beneath the footing. Weathering, erosion and the resulting surficial sloughing and shallow land sliding are natural processes that affect steep slope areas. As noted, no evidence of surficial raveling or sloughing was observed at the site. To manage and reduce the potential for these natural processes, we recommend the following: No drainage of concentrated surface water or significant sheet flow onto or near the steep slope areas. Drainage from the roof area should be tightlined to flatter, lowland area beyond the toe of the steep slope. No fill should be placed within the setback area. Grading should be limited to providing surface grades that promote surface flows away from the slope crest to an approved point of collection for dispersal beyond the toe of the slope. No percolation of surface water within 20 feet of Building Setback or top of the steep slope. Excavations All excavations at the site associated with confined spaces, such as utility trenches and retaining walls, must be completed in accordance with local, state, or federal requirements. Based on current Washington State Safety and Health Administration (WSHA) regulations, the upper loose to medium dense fill and silty sand with gravel observed on the site would be classified as Type C soils. The deeper, dense silty sand with gravel at the site would be classified as Type A soils. r� Dale Sweeney January 28, 2008 Page 8 According to WSHA, for temporary excavations of less than 20 feet in depth, the side slopes in Type C soils should be laid back at a slope inclination of 1.5:1 (Horizontal:Vertical) or flatter from the toe to the crest of the slope. Side slopes in Type A soils can be laid back at a slope inclination of 0.75:1. All exposed slope faces should be covered with a durable reinforced plastic membrane during construction to prevent slope raveling and rutting during periods of precipitation. These guidelines assume that all surface loads are kept at a minimum distance of at least one half the depth of the cut away from the top of the slope and that significant seepage is not present on the slope face. Flatter cut slopes will be necessary where significant raveling or seepage occurs, or if construction materials will be stockpiled along the slope crest. If these safe temporary slope inclinations cannot be achieved due to property line constraints, shoring may be necessary. This information is provided solely for the benefit of the owner and other design consultants, and should not be construed to imply that GeoResources assumes responsibility for job site safety. It is understood that job site safety is the sole responsibility of the project contractor. Foundations The structure can be supported on conventional spread footing foundations bearing on competent native soils or on new structural fills placed above these native soils. Foundation subgrades should be prepared as recommended in the "Site Preparation" section of this report. As previously discussed, the upper 1 to 7 1/2 feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and construction debris and will not be suitable for support of foundation elments. Prior to construction, these unsuitable old fill soils should be removed from under new foundation areas and replaced with new structural fill. Alternatively, the foundations can be deepened to extend through the old fill to bear on the underlying undisturbed native soils observed at 1 to 7 1/2 feet below surface grades. Perimeter foundations exposed to the weather should bear at a minimum depth of 18 inches below final exterior grades for frost protection. Interior foundations can be constructed at any convenient depth below the floor slab. With footings founded as recommended, we recommend they be designed for an allowable soil bearing capacity of 2,500 pounds per square foot (psf) for combined dead and long-term live loads. The weight of the footing and any overlying backfill should be neglected. The allowable bearing value may be increased by one-third for short-term loads such as those induced by seismic events or wind loads. With the anticipated loads and this bearing stress applied, building settlements should be less than one-half inch total and one -quarter inch differential. All footing areas should be evaluated by a representative of GeoResources prior to placement of forms. For designing foundations to resist lateral loads, a base friction coefficient of 0.40 can be used. Passive earth pressures acting on the sides of the footings can also be considered. We recommend calculating this lateral resistance using an equivalent fluid weight of 325 pounds per cubic foot (pcf). We recommend not including the upper 12 inches of soil in this computation because it can be affected by weather or disturbed by future grading activity. This value assumes the foundations will be constructed neat against competent native soil or backfilled with structural fill, as described in the "Structural Fill" section of this report. The values recommended include a safety factor of 1.5. Dale Sweeney January 28, 2008 Page 9 Site Retaining Walls The magnitude of earth pressure development on below -grade walls, such as basement or retaining walls, will partly depend on the quality of the wall backfill. We recommend placing and compacting wall backfill as structural fill. Wall backfill below structurally loaded areas, such as pavements or floor slabs, should be compacted according to the specifications provided in the "Structural Fill" section of this report. To guard against hydrostatic pressure development, drainage must be installed behind the wall. We recommend that wall drainage consist of a minimum 12 inches of clean sand and/or gravel with less than 3 percent fines placed against the back of the wall. In addition, a drainage collector system consisting of 4-inch perforated PVC pipe should be installed behind the wall to provide an outlet for any accumulated water. The drains should be provided with cleanouts at easily accessible locations. These cleanouts should be serviced at least once every year. The wall drainage material should be capped at the ground surface with 1-foot of relatively impermeable soil to prevent surface intrusion into the drainage zone. With wall backfill placed and compacted as recommended and drainage properly installed, unrestrained walls can be designed for an active earth pressure equivalent to a fluid weighing 35 pct. For restrained walls, we do not recommend using at rest earth pressures. For walls that will be restrained at the top, an additional uniform lateral pressure of 100 psf should be included. These values assume a horizontal backfill condition and that no other surcharge loading, such as traffic, sloping embankments, or adjacent buildings, will act on the wall. If such conditions exist, then the imposed surcharge loading must be included in the wall design. Friction at the base of the wall foundation and passive earth pressure will provide resistance to these lateral loads. Values for these parameters are provided in the "Foundations" section of this report. Slab -On -Grade Floors Slab -on -grade floors should be supported on subgrades prepared as recommended in the "Site Preparation" section of this report. As previously discussed, the upper 1 to 71/2 feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and construction debris and will not be suitable for support of slab - on -grade floors. Prior to construction, these unsuitable old fill soils should be removed from under new slab -on -grade areas and replaced with new structural fill. Immediately below the floor slab, we recommend placing a four -inch thick capillary break layer of clean, free -draining, coarse sand or fine gravel that has less than three percent passing the No. 200 sieve. This material will reduce the potential for upward capillary movement of water through the underlying soil and subsequent wetting of the floor slabs. The drainage material should be placed in one lift and compacted to a firm and unyielding condition. The capillary break layer will not prevent moisture intrusion through the slab caused by water vapor transmission. Where moisture by vapor transmission is undesirable, such as covered floor areas, a common practice is to place a durable plastic membrane on the capillary break layer and then cover the membrane with a layer of clean sand or fine gravel to protect it from damage during construction, and aid in uniform curing of the concrete slab. It should be noted that if the sand or gravel layer overlying the membrane is saturated prior to pouring the slab, it will not assist in uniform curing of the slab, and may serve as a water supply for moisture transmission through the slab and affecting floor coverings. Therefore, in our opinion, covering the membrane with a layer of sand or gravel should be avoided if floor slab construction occurs during the wet winter months and the layer cannot be effectively drained. Dale Sweeney January 28, 2008 Page 10 Parking Lot Pavement Parking lot pavement at the project site should be constructed on subgrades prepared as recommended in the "Site Preparation" section of this report. As previously discussed, the upper 1 to 7'/2 feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and trash debris. Prior to paving, these existing fill soils should be mechanically compacted to a firm and non -yield condition. Additionally, the pavement section should be provided with a drainage layer between the asphalt and the underlying compacted subgrade soils. The thickness of the various components of the pavement depends on the subgrade soils and the traffic conditions to which the pavement will be subjected. We expect traffic to mainly consist of light passenger vehicles, with only occasional heavy service vehicles. Based on this information, and with a properly prepared and stable subgrade composed of on -site native granular soils, or compacted old fill soils, we recommend the following pavement section: Thickness Options Pavement Element (inches) Option 1 Asphalt Concrete (AC) 3 : - Crushed Rock Base (CRB) 4 Asphalt Concrete (AC) 2 Option 2 Asphalt Treated Base (ATB) 3 Crushed Rock Base (CRB) 4 All paving materials should conform to the Washington State Department of Transportation (WSDOT) specifications for Class B asphalt concrete and CRB surfacing. Long-term pavement performance will depend on surface drainage. A poorly -drained pavement section will be subject to premature failure as a result of surface water infiltrating into the subgrade soils and reducing their supporting capability. To improve performance, we recommend surface drainage gradients of at least two percent. Some longitudinal and transverse cracking of the pavement surface should be expected over time. Regular maintenance should be planned to seal cracks when they occur Regardless of the relative compaction achieved, the subgrade must be firm and unyielding before paving. Proofrolling the subgrade with heavy construction equipment should be completed to verify this condition. We recommend compacting fill placed for pavement subgrades according to the recommendations provided in the "Structural Fill" section of this report. Stormwater Detention Pipe The site stormwater will discharge to a detention pipe located under the south parking lot. We understand the detention pipe will entail storage and a stormfilter for cleaning prior to discharge to the wetland located along the west end of the site. The detention pipe should be supported on a subgrade prepared as recommended in the "Site Preparation" section of this report. Accordingly, if the existing old fill containing organics Dale Sweeney January 28, 2008 Page 11 and construction debris is evident along the pipe subgrade, it should be removed and replaced with new structural fill. We examined the existing soils underlying the site to determine if infiltration of the development stormwater was feasible. Due to the medium dense to dense, well - graded, and cemented nature of the native glacial till soils that underlie the site, it is our opinion that infiltration of the site stormwater is not feasible. It is also our opinion that the planned stormwater detention system will not increase the stability of the site slopes. Utilities We expect that underground utilities, such as sanitary sewer, storm, and water will consist of a series of pipes, vaults, manholes, and catch basins. The utility excavations should be performed in accordance with appropriate governmental guidelines. Utility pipes should be bedded and backfilled in accordance with American Public Works Association (APWA) specifications. The existing fill at the site containing organics and trash debris will not be suitable for support of the utility lines and structures. Prior to construction, these unsuitable old fill soils should be removed from under the utility lines and structures. We anticipate that the on -site, non -organic soils will be suitable for use as structural backfill. If import soil is used as utility trench backfill, it should consist of a material meeting the wet weather fill recommendations provided in the "Structural Fill" section of this report. Controlled -density fill (CDF) is most often suitable for use as backfill in any weather condition and could be used as a convenient, but more expensive, alternative to granular backfill soil. We recommend that utility backfill soils be compacted according to the recommendations provided in the "Structural Fill" section of this report. CDF backfill does not require compaction but should have a compressive strength commensurate with the application. Drainage All ground surfaces, pavements, and sidewalks should be sloped away from the structure. Surface water runoff should be controlled using a system of berms, drainage swales, and/or catchbasins, and conveyed to an approved point of controlled discharge. We recommend conventional roof and foundation drains be installed for all structures. The footing drains should be tightlined independent of the roof drains unless an adequate gradient will prevent backflow into the footing drains Surface water shall not be allowed to flow uncontrolled over the crest of the site slopes and embankments. Surface water should be directed away from the slope crests to a point of collection and controlled discharge. If constructed according to code, a dispersion trench would be considered a controlled discharge mechanism. If site grades do not allow for directing surface water away from the slopes, then the collected water should be tightlined down the slope face in a controlled manner. LIMITATIONS We have prepared this supplemental report for use by Dale Sweeney and members of their design team for use in the design and permitting portions of this project. This report and the data used in preparing this report should be provided to prospective contractors for bidding or estimating purposes only. Our report, conclusions and interpretations are based on data from others and limited site reconnaissance, and should not be construed as a warranty of the subsurface conditions. Dale Sweeney January 28, 2008 Page 12 Variations in subsurface conditions are possible between the explorations and may also occur with time. A contingency for unanticipated conditions should be included in the budget and schedule. Sufficient monitoring, testing and consultation should be provided by our firm during construction to confirm that the conditions encountered are consistent with those indicated by the explorations, to provide recommendations for design changes should the conditions revealed during the work differ from those antici- pated, and to evaluate whether earthwork and foundation installation activities comply with contract plans and specifications. When the project design is finalized, we recommend the design and specifications be reviewed by our firm to see that our recommendations have been interpreted and implemented as intended. If there are any changes in the loads, grades, locations, configurations or type of facilities to be constructed, the conclusions and recommendations presented in this report may not be fully applicable. If such changes are made, we should be given the opportunity to review our recommendations and provide written modifications or verifications, as appropriate. The scope of our services does not include services related to environmental remediation and construction safety precautions. Our recommendations are not intended to direct the contractor's methods, techniques, sequences or procedures, except as specifically described in our report for consideration in design. Within the limitations of scope, schedule and budget, our services have been executed in accordance with generally accepted practices in this area at the time this report was prepared. No other conditions, expressed or implied, should be understood. We appreciate the opportunity to be of continued service to you on this project. Please do not hesitate to call with any additional comments or questions. Bernard P. Knoll II, PE Senior Engineer BPK:BPB:bpk Document ID: Sweeney, D.PacificHighwayS.GR Attachments: Figure 1 — Site Vicinity Map Figure 2 — Site Plan Figure 3 — USDA NRCS Soils Map Figure 4 — USGS Map Figure 5 — Unified Soil Classification System (USCS) Figure 6 — Test Pit Logs Brad P. Biggerstaff, LEG Principal s 33filbb St 5 336th st R Lao !1B! � �Sa � s a•ro �a Panther m -a} Lake Park p �silli GaerSer 31 ( a Ll � � v rWth St = tth Ave S 5 344th St d°a �344th St six St ranei� s �1 Hospital � ',� ¢ a �?' U) s aaam St 1 181 WS 3A8ih'St s 3akm St ff V 3451h SL � � � i 349[h SE t m -.4 x s 4 p a h�� � S355thPI' � SAr;56`9h 51 5 366tds St 5 35Bth St �ny78,h St -S s S 59M St tp m S.U.N1S, - --- $Vd ?fk31h 51 N -- --- f 530,0R Fiv ® a S 364th Sr pY} aVsY 05 5 364th St IWO a s' � ca Lai aS3e&4P, h c c 9W346EhSe P -� 380thPI rc' CPal kh S! t11E �s* � s s Pal m W 5'N' i581h 51 �' CO I S 36BIh St -I en e r s z N � od d ;�' 3 3S&y 9 S 370th St � '�'''$' c Yl Cl+ Q R D m N 9$ = N N e -5 d•f N *T 121h St NE S q E S 373rd St i :Gi r tr'i +4'� R Approximate Site Location GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 Site Vicinity Map 34839 Pacific Highway South Federal Way, Washington Job #: Sweeney, D.PacificHwyS , January 2008 1 Figure 1 CITY OF t Federal Way December 18, 2007 Mr_ Timothy R. Turner, P.E. TRT Engineering, Inc. 2636 SE Market St Portland, OR 97214 RE. Permit No. 07-106665-00-SM Holiday Inn Express - 34839 Pacific Hwy S Right -of -Way Modification Dear Mr. Turner: CITY HALL 33325 8th Avenue South Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www. cit yoffederal way. com This letter responds to your request to modify the required street improvements on Pacific Highway South associated with the above -referenced project_ Specifically, the request is to reduce the required right-of- way dedication from 12' to 5', eliminate the planter strip, and construct a 7' wide sidewalk instead of the required 8' sidewalk. Federal Way City Code (FWCC) Section 22-1477; Modifications of Improvements Along Property Frontage allows the Public Works Department to grant a request to modify, defer, or waive the required street improvements only after consideration of four specific reasons. The reasons cited here are contained in Section 22-1477(1) "Improvements as required would not be harmonious ivith existingstreet impr-ove►nents " and FWCC Section 22-1477(2), "Unusual topographic or physical conditions preclude the consiruclion of the improvements as required". In this case, developments further south and across the street have constructed the required improvements. The topographic conditions do not occur on the subject property, but on the property immediately south of the site in the form of an approximately 8' high rock wall_ After evaluating the existing conditions along Pacific Highway South, review of FWCC provisions (Section 22-1477, 22-1496), and direction provided by the City Council, the Public Works Department hereby denies the request to modify the required frontage improvements. Tapers and transitions, however, will be evaluated during. engineering review to detenrnine the best way to accommodate traffic within the constraints of the existing right-of-way. If you have any questions, please contact Ann Dower, Engineering Plans Reviewer, at (253) 835-2732 or via email at ann.dower rr cityoffederalway.com. Sincerely, William Ap le P.E. Development Services Manager WA/AD:cc cc: Ann Dower, Engineering Plans Reviewer (PF) David Lee, Associate Planner Sangeev Tandle, Traffic Engineer Day File L: \CSDC\DOCS\SAVE\33661132062. D OC W GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 Location A King County Area, Washington (WA633) Map Unit Symbol Map Unit Name Acres in Percent of AOI AOI EwC Everett- 2.4 100,00fo Alderwood gravelly sandy loams, 6 to 15 percent slopes Totals for Area of Interest 2.4 100.0% (AOI) USDA NRCS Map 34839 Pacific Highway South Federal Way, Washington Job #: Sweeney, D.PacificHwyS I January 2008 1 Figure 3 Approximate Site Location GeoResources, LLC USGS Map 5007 Pacific Highway East, Suite 20 34839 Pacific Highway South Fife, Washington 98424 Federal Way, Washington Phone: 253-896-1011 Fax: 253-896-2633 Job #: Sweeney, D.PacificHwyS Janauary 2008 1 Figure 4 UNIFIED SOIL CLASSIFICATION SYSTEM - i OUP MAJOR DIVISIONS GROUP NAME I SYMBOL GRAVEL CLEAN GW WELL -GRADED GRAVEL, FINE TO COARSE GRAVEL GRAVEL I. COARSE GP POORLY -GRADED GRAVEL GRAINED 50°l SOILS More than 50% Retained on No. 200 Sieve FINE GRAINED SOILS More than 50% Passes No. 200 Sieve I More than ° Of Coarse Fraction GRAVEL GM SILTY GRAVEL Retained on WITH FINES No., Sieve GC l CLAYEY GRAVEL SAND 1 CLEAN SAND SW WELL -GRADED SAND, FINE TO COARSE SAND More than 50% Of Coarse Fraction Passes No. 4 Sieve SILT AND CLAY SAND WITH FINES INORGANIC SP SM POORLY -GRADED SAND SILTY SAND SC CLAYEY SAND ML SILT CL CLAY Liquid Limit Less than 50 ORGANIC OL ORGANIC SILT, ORGANIC CLAY SILT AND CLAY INORGANIC MH SILT �IGH PLASTICITY, ELASTIC SILT CH CLAY OF HIGH PLASTICITY, FAT CLAY Liquid Limit 50 or more HIGHLY ORGANIC SOILS ORGANIC NOTES: 1. Field classification is based on visual examination of soil in general accordance with ASTM D2488-90. 2. Soil classification using laboratory tests is based on ASTM D2487-90. 3. Description of soil density or consistency are based on interpretation of blow count data, visual appearance of soils, and or test data. GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 OH ORGANIC CLAY, ORGANIC SILT PT I P EAT SOIL MOISTURE MODIFIERS: Dry- Absence of moisture, dry to the touch Moist- Damp, but no visible water Wet- Visible free water or saturated, usually soil is obtained from below water table Unified Soil Classification System (USCS) 34839 Pacific Highway South Federal Way, Washington Job #: Sweeney.D.PacificHwyS January 2008 Figure 5 Test Pit TP-1 Location: See Site Plan Depth ft. Soil Type Description (3 inches grass roots and TOPSOIL) 0.0 - 4.0 FILL: Gray and brown silty sand with gravel and cobbles, loose to medium dense, moist. (Fill was organic -laced from 3 to 4 feet.) 4.0 - 6.5 SM Brownish -orange silty SAND with, gravel, slightly cemented, medium dense, moist. (Weathered Glacial Till) 6.5 - 8.0 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 8 feet below the ground sutlace. No caving observed. No groundwater observed. Test Pit TP-2 Location: �5ee Site Plan Depth [ft.) Soil Type Description (2 inches grass roots and TOPSOIL) 0.0 - 3.5 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 3 M, feet below the ground surface. No caving observed. No groundwater observed. Test Pit T'P-3 Location: See Site Plan Depth ft.) Soil Type Description (4 inches grass roots and TOPSOIL) 0.0 - 7.5 - FILL: Gray and brown silty sand with gravel and cobbles, loose to medium dense, moist to wet. (Fill was organic -laced with construction debris and a strong organic odor from 5 to 71/2 feet.) 7.5 - 9.0 SM Brownish -orange silty SAND with gravel, slightly cemented, medium dense, moist. (Weathered Glacial Till) 9.0 - 10.0 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 10 feet below the ground surface. No caving observed. No groundwater observed. Test Pit TP-4 Location: See Site Plan De th (ftj Soil Type Description (2 inches grass roots and TOPSOIL) 0.0 - 1.0 FILL: Brown silty sand with gravel loose to medium dense, moist. 1.0 - 4.0 SM Brownish -orange silty SAND with gravel, slightly cemented, medium dense, moist. (Weathered Glacial Till) 4.0 - 6.0 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 6 feet below the ground surface. No caving observed. No groundwater observed. GeoResources, LLC I Test Pit Logs 5007 Pacific Highway East, Suite 20 � 34839 Pacific Highway South Fife, Washington 98424 Federal Way, Washington Phone: 253-896-1011 Fax: 253-896-2633 Job # : Sweeney, D. PacificHwyS : uary 2008 Figure 6 I Site plan provided by TNT Engineering. APPROXIMATE TEST PIT LOCATION APPROXIMATE LOCATION OF SLOPES > 40% APPROXIMATE LOCATION OF SLOPES > 15 - 39% .H A M 111111M 3 85 09' 12" E APPROXIMATE SCALE 1"=30' ® GeoResources, LLC j 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Ph:253-896-1011 Fax:253-896-2633 UT� t Ad Ex:l`Tll ONE WNW BLDG, TO BE RErJ.WEi N ,r im ram • rogm s� 5ne Plan 34839 Pacific Highway South Federal Way, Washington Job #: Sweeney, D.PacificHwyS 1 January 2008 %11 Figure 2 .rF T2 C-tNp 5,818 So. FT. 1 ,071 SQ. FT. N 86°07'32" W S 85`09' 12" E TECHNICAL INFORMATION REPORT Holiday Inn Express Motel 34839 Pacific Highway South Federal Way, Washington Prepared For: KR Hospitality LP 2200 6t Avenue Seattle, Washington 98121 RESUBMITTED CITY OF FEDERAL VOA`; SUILD1NG DEPT. Prepared By: TRT Engineering 2636 S.E. Market Portland, OR 97214 (503) 235-7592 March 26, 2008 Revised May 10, 2009 and December 8, 2009 TECHNICAL INFORMATION REPORT Holiday Inn Express Motel 34839 Pacific Highway South Federal Way, Washington Prepared For: KR Hospitality LP 2200 6t Avenue Seattle, Washington 98121 Prepared By: TRT Engineering 2636 S.E. Market Portland, OR 97214 (503) 235-7592 March 26, 2008 Revised May 10, 2009 and December 8, 2009 TABLE OF CONTENTS CERTIFICATEOF THE ENGINEER......................................................................................................................... 1 SECTIONI — PROJECT OVERVIEW........................................................................................................................ 2 SECTION II — CONDITIONS AND REQUIREMENTS............................................................................................ 3 SECTION III — QUANTITY CONTROL ANALYSIS AND DESIGN...................................................................... 3 A. Hydrologic analysis, existing and developed conditions................................................................................ 3 B. Quantity Control System Design.................................................................................................................... 4 C. Quantity Control System Plan........................................................................................................................ 5 SECTION IV — CONVEYANCE SYSTEM ANALYSIS AND DESIGN.................................................................. 5 SECTIONV — WATER QUALITY DESIGN............................•..............................................---.............--- .............. 6 A. Listing of proposed BMPs.............................................................................................................................. 6 B. B. Size and Location of Stormwater Facilities............................................................................................. 7 C. C. Erosion Control........................................................................................................................................ 7 SECTIONVI — SOILS EVALUATION...................................................................................................................... 7 SECTION VII — SPECIAL REPORTS AND STUDIES............................................................................................. 8 A. Geotechnical...................................................................................................................................................8 B. Wetlands.........................................................................................................................................................8 C. Floodplains and Floodways............................................................................................................................ 8 D. Groundwater...................................................................................................................................................8 E. Structural Design .... ..... ................ -................. .. .........I..................................................................... 8 F. Existing Water Resource Features.......... ............................................... 8 ................................ ... .......... SECTIONVIII — MAINTENANCE............................................................................................................................ 8 LIST OF APPENDICES APPENDIX A — SUPPORT DATA AND FORMS APPENDIX B — ONSITE/OFFSITE ANALYSIS APPENDIX C — HYDROLOGY/HYDRAULICS ANALYSIS APPENDIX D — MAINTENANCE AND OPERATIONS MANUAL APPENDIX E — GEOTECHNICAL REPORT APPENDIX F — WETLAND AND STREAM ASSESSMENT APPENDIX G — TIR WORKSHEET AND CHECKLIST CERTIFICATE OF THE ENGINEER Holiday Inn Express Technical Information Report The technical information and data contained in this report was prepared under the direction and supervision of the undersigned, whose seal, as a professional engineer licensed to practice as such, is affixed below. This document was: Prepared by: Timothy R. Turner, P.E. Technical Information Report December 8, 2009 Holiday Inn Express Page 1 SECTION I — PROJECT OVERVIEW The project is located on King County tax parcel #2021049044 in the SW '/4, SW 1/4 of Sec 20, T21N, R4E, WM. The property address is 34839 Pacific Highway S. The north property line is located approximately 300 feet south of the south property line of 3348"' Street in Federal Way, Washington (see Vicinity Map, Appendix A). The project site is approximately 2.85 acres in size with about one acre planned for improvements. The existing site consists of a few buildings surrounded by sparsely vegetated grassland, and a stream through the west portion. The current site stormwater runoff is by sheet flow the stream or infiltration. The stream flow is from north to south staring through a 72-inch diameter culvert from the north property line to approximately the center of the site. At this point the culvert daylights to open -channel flow extending to the south property line. Several smaller pipes (six to 8 inches in diameter also outlet near the downstream end of the large culvert. The stream is identified as an unnamed tributary to the West Hylebos Creek wetland complex located southwest of the site. The steep ravines on both side of the stream are primarily vegetated with deciduous trees and shrubs. The area west of the stream will remained undeveloped. Surrounding land use includes commercial buildings adjacent along most of the north and west boundaries and public highway along the east boundary. An undeveloped, heavily vegetated parcel abuts the site on the south. This project proposes the construction of a 14,800 square foot multi -story hotel with associated parking, utility lines and services, and landscape improvements. The proposed storm facilities are designed to treat/detain (attenuate) runoff associated with the proposed construction and permanent site improvements. The disturbed area associated with the proposed improvements will consist of approximately one acre and 12,234 sq. ft. of runoff from the frontage street (Pacific Hwy. S). Half -width frontage improvements will be constructed along the abutting portion of Pacific Hwy. S. Stormwater runoff from proposed impervious areas will be conveyed onsite via inlets and storm piping, which will direct all runoff to the proposed stormwater system for conveyance to the proposed facility. The stormwater runoff will be treated and managed within the property utilizing an underground detention facility (horizontal pipe) located along the west, south and east sides of the proposed building. The detention facility will discharge to a control structure which will limit the release flows leaving the site. Runoff from the control structure will be conveyed to a treatment unit (Manhole Stormfilter by Contech R Stormwater Solutions) with 7-filter canisters prior to release to the stream. Trees located near the outer limits of the parking lot footprint will be marked with tree protection measures in place. Tree protection will be provided throughout the construction process. The route of the storm pipe outfall may be altered to avoid as much disturbance as possible. Technical Information Report Holiday Inn Express December 8, 2009 Page 2 There are no known agricultural drain tiles or areas of potential slope instability within the property being developed. There are no known septic systems or water supply wells within the area to be disturbed. Upstream/Downstream Anal sis This site does not require provision of conveyance of upstream projects since the development has already occurred. No off -site impacts to downstream stormwater structures are expected. The proposed system will discharge to an existing stream and the release rates of the proposed facility will be less than (50% less for the 2-yr event) or equal to the predevelopment release rates from the site. The downstream stream is through a heavily vegetated corridor and the wetland which provide a natural buffer against erosion and flooding. As such, no effect to the downstream system is anticipated. Further information on the downstream system is included in Appendix B. SECTION II — CONDITIONS AND REQUIREMENTS A January 17, 2008 Wetland and Stream Assessment by Raedeke Associates, Inc. states that the subject site is within a 200-foot buffer of a wetlands identified on the adjoining property to the north (Appendix F). The Report also indicates that the stream located on the western portion of the site has been rated as a "Major Stream (City of Federal Way GIS Division 2005a)". Because of this designation a 100-foot-wide setback buffer is required around the stream. SECTION III — QUANTITY CONTROL ANALYSIS AND DESIGN A. llvdi-oloaic analysis existing and developed conditions The hydrological analysis was completed using the King County Runoff Time Series (KCRTS) method. The proposed storm system was designed in accordance with the Washington State Department of Ecology's and King County guidelines for proposed developments. Precipitation anwwits The rainfall was selected within the KCRTS program for the site area. Alteration ofRunoff Characteristics Table 1 provides details of the pre- and post -developed conditions of the site. Technical Information Report Holiday Inn Express December 8, 2009 Page 3 Table 1 -Land Use Conditions PRE -DEVELOPMENT POST -DEVELOPMENT Description Area Modeled as: Description Area Modeled in (sq ft) (sq ft) KSCRTS as: Pervious 48,311 Lawn, HSG C Pervious 7,796 Till grass Street, Impervious 25,743 Pavement Impervious 66,256 sidewalk, arking, roof Total area 74,054 Total area 74,054 ' Modeled. Modeled: A Basin Delineation Map is included in Appendix B. L.fillration Rate The site (area for development) is on fill soils and is not suitable for application of infiltration type BMPs, therefore none have been proposed. Hydrolo i'c Analysis & Computations The hydrological analysis was completed using KSCRTS method. Computations are found in Appendix C. For a summary of the hydraulic analysis, please refer to Tables 2. B. Quantity Control System Design Pre -development condition The present runoff is overland from east to the wetland along the west portion of the site. The stream flow is from north to south through a 72-inch diameter culvert and open channel. The stream is a tributary to the West Hylebos Creek wetland complex. Further information on the downstream system is included in Appendix C. Post -development condition The size/dimensions of the detention storage facility, as well as the orifice/riser system of the downstream control manhole, were determined by KSCRTS modeling. The detention sizing was based on matching the post -development rates for the 2 and 10-year event to the pre -development peak rates. Table 2 contains a summary of the discharge rates. Table 3 show a summary of orifice sizing. Appendix C contains the flow control structure sizing summary. Technical Information Report Holiday Inn Express December 8, 2009 Page 4 Table 2 Summary of Pre and Post -development Discharge Rates (Outflow) Condition 1.1-year Storm (cfs) 2-year Storm (cfs) 10-year Storm (cfs) 100-year Storm (cfs) Pre -developed 0.098 0.172 0.230 0.688 Post -developed 0.506 0.724 0.989 1.890 Release Rate 0.14 0.17 0.22 0.74 2-year and 10-year storms are target events for detention modeling Table 3 Proposed Control Manhole Design Summary Low Orifice Size 2"d Orifice Size and Top of Overflow Riser Location 2.05 inch dia. 0.21 inch dia @ 3.2' above 5.0' above invert of outlet invert of outlet pipe pipe A detailed description of the analysis/design associated with runoff from the site area is included in Appendix C. 14nal sis Criteria! The Quantity Control system (the detention storage pipe (tank) was designed to produce release rates less than or equal to the predevelopment release rates from the site. Assumptions It was assumed that at the start of the first storm event, the stormwater facilities on -site will be empty, except to 6" treatment dead storage in detention pipe. C. Ouantity Control System Plan A copy of the Final Stormwater Plan is included in Appendix B. The Stormwater Plan provides an illustrative sketch of the quantity control facility and associated appurtenances, including basic measurements. SECTION IV — CONVEYANCE SYSTEM ANALYSIS AND DESIGN The proposed conveyance system upstream of the Detention Facility consists of inlets -� and storm pipes that will convey runoff to the proposed facility. The storm pipes onsite Technical Information Report December 8, 2009 Holiday Inn Express Page 5 were sized to convey peak flow conditions from the 100-year storm event. Proposed pipes are a minimum of 8-inch diameter with a minimum slope of 0.005 ft/ft. Following detention and treatment by the proposed facilities, runoff will be conveyed a wetland. Analysis Criteria The conveyance systems were designed to convey peak flow conditions from the 100- year storm event. Assumptions It was assumed that at the start of the first storm event, all of the stormwater facilities on - site will be empty and that there will be no blockage in any structures or pipes within the system. SECTION V — WATER QUALITY DESIGN v Quality System ualit Control S Design � 4� The treatme(elease facility is placed downstream from the quantity control s(fs) em. This reduces the rate significantly (in this case from 0.35 cfs to 0.07 and also has allowed for particle settling to occur (pre -settling which has pre-treatment benefits. Therefore, the proposed treatment system (with a treatment rate of 0.233 cfs) is considered adequate. During construction, the TESC plan will provide control of stormwater runoff during construction. This plan will be in accordance with King County requirements and the NPDES State Permit for Construction Activity. An NOI permit and SWPPP will be in place prior to land disturbance for fill and site grading. Arzulvsfr Criteria The Quality Control System was designed to provide treatment for runoff from the Water Quality storm event resulting from runoff from onsite areas. Assumptions It was assumed that at the start of the first storm event, all of the stormwater facilities on - site will be empty. A. Listing of e•o posed BMPs The following BMP will be constructed to provide treatment of conventional pollutants in the stormwater runoff and as a means of detention for runoff that exceed the water quality peak rate. Technical Information Report Holiday Inn Express December 8, 2009 Page 6 Filter media system (Manhole Stormfilter by Contech R Stormwater Solutions) with 7 filter canisters. • Detention pipe pre -settlement B. Size and Location of Stormwater Facilities The underground storage pipe (tank) facility was sized to provide pre -settling of particles. It also provides an opportunity to apply other treatment features such as oil adsorption materials and oil trapping in the event of an oil spill on Pacific Hwy. S. A 6-inch dead storage area is provided at the bottom of the pipe section for sediment accumulation. The storage pipe was analyzed for structural instability due to buoyancy uplift due to groundwater floatation. The combined weight of the backfill, pipe material and dead storage would counter uplifting forces of groundwater intrusion in the pipe trench up to a depth of 2-feet above the bottom of pipe (see Appendix B for calculation printout). The subject geotechnical report indicates that no groundwater was present in the bore holes. It is unlikely that groundwater elevations would exceed 2-feet above the pipe bottom. C. Erosion Control Temporary erosion control measures will be installed prior to construction and maintained until the permanent stormwater treatment facilities are functional. A gravel construction entrance will be installed at the site access from Pacific Highway. Sediment fencing will be place along the perimeter of the disturbance area. Prior to pavement placement and installation of the stormwater conveyance system stormwater runoff will be routed through interceptor ditch to a temporary settlement pond located at the western limit of construction. SECTION VI — SOILS EVALUATION According to the King County Soil Survey of the Natural Resources Conservation Service (MRCS) Alderwood gravelly sandy loam (types I & IQ soils are found on the site. Per the Stormwater Management Manual for the Puget Sounds Basin, 1992, the designation for Alderwood soils is hydrological soil group (HSG) B. Soil type 1B typically has 0 to 6 percent slopes; soil type 1 C typically has 6 to 15 percent slopes. The Alderwood series consists of moderately well drained soils. The substratum of Alderwood soils is typically weakly cemented and very slowly permeable, beginning at a depth of about 3 feet. Per the Geotech, the site is mostly in fill in the area proposed for development. The fill generally varies from 1 to 4 feet. "The very dense, native soils have been glacially compressed and are locally referred to as glacial till ... The native soils are relatively impervious... the site conditions are not suitable for infiltration of stormwater " Technical Information Report Holiday Inn Express December 8, 2009 Page 7 The site soils do not exhibit the high infiltration rates typical HSG B soils. Instead, the soils were described as consisting of impervious glacial till not suitable for infiltration. As such, it was determined that the site soils for this project should be modeled as HSG C soils. A copy of the Geotech report is included in Appendix E. SECTION VII — SPECIAL REPORTS AND STUDIES A. Geotechnical A copy of the Geotech report is included in Appendix E. B. Wetlands No wetlands identified on the subject site. See Wetland and Stream report in Appendix F. C. Floodplains and Floodwa s N/A D. Groundwater Groundwater is fairly high due to the underlying till soils (surface seepage water trapped above) and the nearby wetland. E. Structural Design A wall will be constructed along the west side of the parking footprint and will require a building permit. F. Existina Water Resource Features There are known wetlands with a stream adjacent to the site. A buffer line is shown on the plans and will be demarcated during construction. SECTION VIII — MAINTENANCE The stormwater facilities associated with this project will be privately maintained. An inspection access easement will be provided to City of Federal Way (see Appendix D). Technical Information Report Holiday Inn Express December 8, 2009 Page 8 APPENDIX A Support Data and Forms 0i 5l From. mospdal tt 'S a•tojr- 5 3419% St G 348th St Sl TE wopppp", h S s 3561h st 1) IS (D NORTH TRT ENGINEERING, INC. HOLIDAY INN EXPRESS TIR REPORT 2636 S.E. MARKET STREET SITE LOCATION PORTLAND, OREGON 97214 T (503) 235-7592 FIGURE 2 TIR VICINIT' APPENDIX B On -site Analysis i �low 1 r 1 all 1 :�•` Panther T.a����...� H 16 r 1 R UPSTREAM DRAINAGE .- BASIN. a - ■' ' -r` .77 ACRES --rr SI TI T I-(/ WEST HYLEBOS CREEK . �•--� ■■ WETOf S COMPLEX - -- Byook i• _ � •'�y ` ' .yam L: • r l FROM POVERTY BAY, WASHINGTON QUADRANGLE 7.5 MINUTE SERIES TRT ENGINEERING. INC. 2636 S.E. MARKET STREET PORTLAND, OREGON 97214 (503)235-7592 HOLIDAY INN EXPRESS TIR REPORT UPSTREAM BASIN MAP NORTH FIGURE 3 TIR BASIN N- r:lirn:mee center J � Ur +.fir Panther Lake co Born spa CO) T—' ♦ U Q S1348th St 2n Hwy 18 � Q I t'ic. Federal Way No Park & { •~ Ride - �• Wet-( Campus a C Square Wc[I�rrtua I�Z Park SITE' Si< � r S 356th St �'�`ly S t No I 1 T lil ; -- � 5An"J Valley i C► 7"0 F. A Psrk y i t ''•�J 5k iVv� :;k t. EwC = Everett/Alderwood Gravellly Sandy Loam No = Norma Silt Loam FROM CITY OF FEDERAL WAY REGIONAL SOILS MAP TRT ENGINEERING, INC. 2636 S.E. MARKET STREET PORTLAND, OREGON 97214 (503) 235-7592 HOLIDAY INN EXPRESS TIR REPORT SOILS MAP FIGURE 4 TAR SOILS N KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL STORMWATER FACIL SU-r03VjARY SHEET P s �o: � to1 J& P ievelopmenHuoAY IN� � z> - d3l PA�IF►L' IP'fj�yl�Wh1' So�TN FrDERAzWAY .WA. Location. 3 Developed Site: Acres Number of lots Nl A Number of detention facilities on site: Number of iafiltration facilities on site: ponds 0 ponds vaults U vaults ""k, L P I PC) G P'nks- Flow control provided in regional facility (give location) rt No flow control required Exemption number Downstream Drainage Basins immediate Basin A Basin B Basin C Basin D Number & type of water quality facilities on site: biofiltration swale (regular/wet/ or continuous inflow?) combined deteution/WQ pond (WQ portion basic orll'arge7)) cotni3ined detennon/wetvault "I compost filter — filter strip flow dispersion farm management plan landscape management plan oil/water separator (baffle or coalescing plate?) catch basin inserts: Manufacuiret R/taior Basin sand filter (basic or large?) sand filter, linear (basic or large?) sand filter vault (basic or large?) stormwater wetland wetpond (basic or large?) wetvault pre -settling pond s 11 � �Eiy ; «y r'� PIPE OCAD SPAC X pre -settling structure: Ivlantifacturer flow-splitter catchbasin DESIGN INFORMATION INDIV—IDUAL BASIN A B C D Water guallry design flow WacerQualive treated volume or wetpond Vr ! 3 SO 3 9/1 /98 1998 Surface Water Design Manual 3 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL. DESIGN LNFORMATION, cont'd TOTAL INDIVIDUAL BASIN Drainage basin(s) Onsite area A B C D i, + a L Offsite area I V, -3 ac T ,,e of Storage FaciliSy J CM P Live Storage Volume S, ° & 0 + 1 Predeveloped Runoff Rate 2- ear O.rj C 10- ear v. 2.3c { 100- earo.69 c i r R LOAS l 7E Developed runoff rate 2- ear c. 4%- tf sl 6 1 10- ear oiT1 K Q 100- eai J. f r p -44 T pe ofrestictor o(t.I Fter Size of orifice/restriction No. lz.?�" I No_ 20'2.:1, No. 3 No.4 j FLOW CONTROL OL & WATER QUALI1 x FACILITY SJN>V_ARY SIT SK=1CH A 11 detention, iri iltra.tion and water qu aliry facilities muistinclude a sketch per the following critezia: - 1. Heading for the drawings should be located at. the top of the sketch (top night -hand corner)- 7 he heading.should contain_ ® North arrow (point up or to left) a D9= m Piat name or short plat number 0 Address (nearest) Date drawn (or updated) 0 Thomas Brothers page, gid number 2. Label CBs and N1Hs with the plan and profile designation. Label the control structure in writing or abbreviate with C.S. Indicate which srruc=es provide spill control. Pipes— indicate_ Pipe size Pipe length Flow direction Use s single heavyweight line 4. Tanks— use a double, heavyweight line and indicate size (diameter) 5. Access roads Outline the limits of the road Fill the outline with dots if the road. is gravel. Label in writing if another surface. 6. Other Standard Symbols: Bollards: tD@ 0 0 m s 0 Rip rap 000000 000040 Fences --x—x—x—x—x--- x-- 0 Ditches—D----D--D---�-D 7_ Label trash racks in writing. 8_ Label all streets with the actual street sign designation. If you don't know the actual street name, consult the plat map. 9. Include easements and lot lines or tract limits when possible. 10. Arrange all [he labeliag or writing to read from left to right or fzom bottom to top with reference to a properly oriented heading. 11. Indicate driveways or features that may impact access, maintenance or replacement- 911198 2 1998 Surface Water Design Manual TA`PANaL "0. 2WIIN1100 ,f TAX IN CL M 9W $C47 REEL Na z0z1000M - '1 W' rI r 1 ' IU i r ' ALL WATER MAIN EXTENSIONS AND TAK PARfA NO 2021049027 WATER SERVICE CONNECTIONS. o zI 4o EXCEPT PIPES BETWEEN VAULT scu® AND THE 8UIL41NG, ARE UNDER SEPARATE LAKEHAV<T! PER1,Ili LTD - six I r� VICINITY MAP GENERAL NO '4 1. P9ONETSY 5Ki nND Q�EEYyAlMf6 AaE HA! (W T�OGMMIC •J/PKT PROW ED BY POflVAPIIO SYRNEY'Awo P AT SA➢I umr, sum Y -mmy W Oq',', wITC4 IµTUM R BAS?s W KWD COWTT 4lLLEY yrylgyE} pt-TI, ELEVATION=2B0.71 2 PROPOSED SPOT ELEVATIONS ARE AT TOP FACE OF CURB OR TOP OF PAVEMENT UNLESS NOTED OTHERWISE. ]. APPROMMAIE CUT AND RLL QUARITIES ARE 1.200 CUBIC YARDS 4. -STING IMPERWWS AREA-15.50D SQUARE FEET. PROPOSED IMPERMOUS AREA—.640 SQUARE FEET. STANDARD NOTES `iYtER SYg1EY a!aQUEEN]fSIpOR51A4JJgf' =III iYS11NGY DISTRICT yFAAATME1Ar EW MExm W d[aE 0. IOE4 AKp AAIT AODDEOa 1NFAtM CONSTRUCTION NOTES OI CONSTRUCT ]II' COMMEPCAL DRIVEWAY O INSTAL- WATER SEFWCE CONNECTIONS PER IAKEIIAVEN UTILITY DISTRICT STANDARDS SEE SEPARATE WATER SEANCE DRAWINGS O3 INSTALL TYPE I CATCH BASIN, RIM=2492, IEe2462 © INSTALL 4' DIAMETER ACCESS RISERS, TYPICAL B PLACES O5 INSTALL 46O'-54- DIAMETER ALUMINRED CORRUGATED STEEL STORM DETENTION PIPE 100' TO NORTH AND 360' TO EAST (LIFE L STORM FLOW conma MANHtlE O INS— STORM TREATMENT ASSEMBLY (SEE DETAIL) OB INSTALL SANITARY SEALER LATERAL ON EXISTING MANHOLE RIN=240.5, IE-23IA2 BO INSTALL 6 M34 PVC SANITARY STONER SERVICE LATERAL AT IO.OX SLOPE 10 CONSTRUCT MODULAR CONCRETE BLOCH RETNNING WALL Il INSTALL B' PVC MR 35 ROOF RAIN GRAIN, TYPICAL Q AT CROSSING BOEW STORM PIPE�243.5 AND TOP SANITARY SEWER PIPE-241.5 1J INSTALL SS' -a* PLC 50R 35 STORM DRAIN O INSTALL M'-a' PVC SDR JS STORM DRAIN IS INSTALL 14'-B• PVC SDR ]5 STORM GRAIN IB INSTALL 5'-8• PVC SO R 35 STORM DRAIN 1© INSTALL B'-B' PVC SOR JS STORM GRAIN TAX PARCEL NO. 2021049045 © INSTALL TAPPING SLEEVE AND C DATE VALVE W -ST'NG IV MAIN PER LANEHAVEN UTILITY DISTRICT STANDARD PLAN B-22-R SEE SEPARATE WATER SEANCE DRAWINGS ® INSTALL 4- DOMESTIC WATT AND 6• PRE SPRINKLER SERVICES SCNEOULE SO PVC © CONNECT TO EASIa00 C' W, WWIER MAw A10 tlrSTµJ. B' GATE NAME S S MALE WATER SCIMM. (IRAWEHE�J 2© INSTALL 275'-B• D.I. WATER MAIN EXTENSION SEE SEPARATE WATER SERVICE DRAWINGS INSTALL SANITARY SEWER MANHOLE 2© INSTALL TYPE I CATCH BASIN, RIM-250.3, IE=247.3 ® INSTALL TYPE 1 CATCH BASIN, RIM=252.5, IE-2495 ® INSTALL TYPE I CATCH BASIN. RIM=2530. IE=24B0 OO INSTALL TYPE I CATCH BASIN, RIM=2526. IE-2496 ]I INSTALL 14'-B• PVC SDR 35 STORM DRAIN © INSTALL TYPE I CATCH BASIN, RIM-250.1, IE-247.1 © PARKING LOT PAVEMENT: 3• ASPHALTIC CONCRETE (AC) OVER 4- CRUSHED ROCK BASE (CRB) O INSTALL 49'-10• PVL MR ]3 STORM GRAIN 19 INSTALL HYDRANT ASSEIABLY PER LAXEHAVEN UTILITY OISIPILT SE SEPARATE WADER SERWCE DRAWINGS ® INSTALL TAPPING SLEEVE AND B' GATE VALVE ON EXISTING I6• MAIN SEE SEPARATE WATER SEANCE DRAWNGS 21 CONSTRUCT TIIRUST. T BLOCK TYPICAL AT BENDS ARO TEES OWNER/DEVELOPER SURVEYOR V HOB NI TY �(R-amIl ! AiSOL INC 200 AM Ati, SUITE 340 1 IIEir 9TLW4RT I F(:FNfI CIPJAAfr am, CApl M fR0F9fi➢ "mm, RAwI E1pmTW0 14prApf YANAHa£ _ 49 PROPOSED SANITARY MANHOLE CONTRACTOR SHALL LOCATE AND POTHOLE TO VERIFY •.D III oe� DEPTH OF ALL UTILITIES PROPOSED SPOT ELEVATION PRIOR TO CONSTRUCTION -- PANN. T4: ILO. Ild" ED4 CALL 48 HOURS PRapa" LK BEFORE YOU DIG E1"6Wm SRWEI UWA 1-800-424-5555 --'------ PROPOSED STORM SEWER CITY OF FEDERAL WAY EXI5TING SANITARY SEWER INSPECTION NUMBER PROPOSED SANITARY SEWER 253 835-2700 EXISTING WATER LINE —W— PROPOSED ER WATUNE PERMR N0. 08-10i358-MF EXISTING WRB vKposp n EXISTING CONTWR NPRO E0 252— PROPOSED CONTOUR TRT ENGINEERING, INC. PHONEAx l ail a) 2T5sToszeT SITE 1 FLOW CONTROL & WATER QUALITY SKETCH HOLIDAY INN EXPRESS MOTEL DRAINAGE AREA 34839 PACIFIC HIGHWAY S. - LIMITS TAX PARCEL #2021049044 r - - SW 'A SE 1A SEC. 20, T. 21 N., R. 4 E., W.M. MARCH 25, 2008 �. RD D CATCH BASIN / CBC (TYPICAL) _ 4-M � COH C_� , I! RD~ RD F : RQ I I ROOF DRAIN - _'- I I I RD 100 LF 54" DIAMETER (TYPICAL) ~ RD DETENTION PIPE MI'• / RD 0 50 100 N RD 1 II FLOW CONTROL / / I I RD MANHOLE SCALE IN FEET i / / cj I o / RD 1 MH — — RD RD C8 MH MH / MH I -a V— — — H CB 7-CARTRIDGE TREATMENT MANHOLE � — �� 12" OUTLET TO STREAM 360 LF 54" DIAMETER — ------ DRAINAGE AREA DETENTION PIPE ACCESS MANHOLE LIMITS (TYPICAL) CB I ME MANHOLE RING AND COVER WITH LOCKING BOLTS, MARKED "DRAIN" HIGH FLOW BYPASS ELEV=248.50 LIFT HANDLE STEPS OR LADDER ELBOW WITH 0.21" ORIFICI SEE DETAIL THIS SHEET L=360' 360 LF 54" DIAMETER ALUMINIZED PIPE SUPPORT CORRUGATED STEEL 3" & 0.075 A k4lNUM If--36-0 CSP 5=0.00% SLOPE=0.0% OR 3 x 0.079 STEEL - 12' STANDPIPE SHEAR GATE 1 8" MIN. DIA. 12" OUTLET IE=244.0 _ i IE=2 r3.5 ,T MORTAR (TYP) 12" RISER PIPE ORIFICE PLATE WITH 2.05" ORIFICE I I 8c' =239.5 SECTION A� FLOW CONTROL MANHOLE DETENTION STRUCTURE INSTALL 4 CARTRIDGES 7 2"0 BALLAST (SEE NOTE 8) INLET PIPE 87 1 2"0 HDPE OUTLET (SEE NOTES 5 G) STUB (SEE NOTES 5 8 G) MANHOLE STORMFILTER - PLAN VIEW (21� 1 30" 0 FRAME AND COVER (5TD) CONCRETE (SEE NOTE 4) GRADE RING STEP (TYP) INLET PIPE HDPE OUTLET (SEE NOTES 5 E G) RISER WITH SCUM BAFFLE r BALLAST (SEE NOTE 8) ISEE DETAIL 2/2 UNDERDRAIN 5TORMFILTER CARTRIDGE MANIFOLD (TYP) (SEE NOTE 2) MANHOLE STORMFILTER - SECTION VIEW A 1 Stormwater360 F T0 STORMFILTER STRUCTURE MUST BE RATED FOR H-20 LIVE LOADS GENERAL NOTES 1) 5TORMFILTER BY 5TORMWATER3G0 (53GO), PORTLAND, OREGON 800-548-4GG7- 2) FILTER CARTRIDGE(S) TO BE SIPHON -ACTUATED AND SELF-CLEANING. STANDARD DETAIL 5HOW5 MAXIMUM NUMBER OF CARTRIDGES. ACTUAL NUMBER REQUIRED TO BE SPECIFIED ON SITE PLANS OR IN DATA TABLE BELOW. 3) PRECAST MANHOLE 5TP.UCTURE TO BE CONSTRUCTED IN ACCORDANCE WITH A5TM C478. DETAIL REFLECTS DESIGN INTENT ONLY. ACTUAL DIMENSIONS AND CONFIGURATION OF STRUCTURE WILL BE SHOWN ON PRODUCTION SHOP DRAWING. 4) STRUCTURE AND ACCESS COVERS TO MEET AA5HTO H-20 LOAD RATING. 5) 5TORMFILTEP. REQUIRES 2.3 FEET OF DROP FROM INLET TO OUTLET, IF LE55 DROP IS AVAILABLE, CONTACT 53GO. MINIMUM ANGLE BETWEEN INLET AND OUTLET IS 45°. G) INLET PIPING TO BE SPECIFIED BY ENGINEER AND PROVIDED BY CONTRACTOR. PRECAST MANHOLE STORMFILTER EQUIPPED WITH A DUAL DIAMETER HDPE OUTLET STUB AND SAND COLLAR, EIGHT INCH DIAMETER OUTLET SECTION MAY BE SEPARATED FROM OUTLET STUB AT MOLDED -IN CUT LINE TO ACCOMMODATE A 12 INCH OUTLET PIPE. CONNECTION TO DOWNSTREAM PIPING TO BE MADE U51NG A FLEXIBLE COUPLING OR ECCENTRIC REDUCER, AS REQUIRED. COUPLING BY FERNCO OR EQUAL AND PROVI DED BY CONTRACTOR. 7) PROVIDE MINIMUM CLEARANCE FOR MAINTENANCE ACCESS.. IF A SHALLOWER SYSTEM 15 REQUIRED, CONTACT 53GO FOR OTHER OPTIONS, 8) ANTI -FLOTATION BALLAST TO BE SPECIFIED BY ENGINEER AND PROVIDED BY CONTRACTOR, IF REQUIRED. BALLAST TO BE SET AROUND THE PERIMETER OF THE STRUCTURE. 9) ALL 5TORMFILTERS REQUIRE REGULAR MAINTENANCE. REFER TO OPERATION AND MAINTENANCE GUIDELINES FOR MORE D FRAME COVER (STD) MANHOLE STORMFILTER - TOP VIEW `,1v SAND COLLAR 1 2"0 OUTLET STUB MOLDED -IN CUT U 8"0 OUTLET STUB OUTLET PIPE (BY CONTRACTOR) THE 5TORMWATER MANAGEMENT COUPLING 5to ff ,,@ US. PATENT V, 5,322,629, (BY CONTRACTOR) No. 5007,527, No. G,027.G39 (SEE NOTE G) No G,G49,048, Na 5,G24.57G, BALLAST AND OTMER U.5. AND FOREIGN PATENTS FEND!NG GROUT (SEE NOTE 8) (BY CONTRACTOR) MANHOLE STORMFILTER - OUTLET DETAIL 2 2 PRECAST 72" MANHOLE STORMILTER STORMWATER TREATMENT ASSEMBLY PROJECT ID/NAME LOCATION - Inniit Data -- Pipe O.D. (Da) = 55 Pipe I.D. (Di) = 53.5 Height of cover (Hc)= 2.7 Pipe weight (Pw) = 56 Unit weight of dry soil (Uwd) = 120 Unit weight of water (uww) = 62.4 Groundwater elevation (Hw) = 2 Water level in pipe (Lw) = 6 Void ratio (e) = 0.45 Specific Gavit (Gs) = 2.65 Flotation Calculations ENGINEERING SERVICES n. n. 1. above TOP of pipe bs/ft bs/ft^3 bs/ft"3 ft. above BOTTOM of pipe In. (V vNJ (density of solids/density of water) OD —rairi latinns— Area of water in pipe = 0.96 Weight of water in pipe = 59.98 Area of water dis laced = 6.92 Weight of water displaced = 431.57 Area of submerged soil = 0.00 Weight of buoyant soil = 0.00 Dry soil wei ht =1 1756.05 ftA2 Pi*DiA2/4 - (2*(theta)/360 x (Pi*DiA2/4) - (Lw-Di/2)A2 x tan(theta)) Ibs/ft Area of water in pipe x UWw f A2 2*(theta)/360 x (Pi*DoA2/4)- (Do/2-Hw)A2 x tan (theta) Ibs/ft Area of water displaced x UWw ftA2 Ibs/ft Area of submerged soil x (UWw/(1+e)) x (Gs-1) Ibs/ft He*(Do) + DoA212 - Pi*DoA2/8 - Area of submerged soil Total resisting force = 1872.03 Ibs Buoyant Force = 431.57 1 Ibs Flotation should not be a problem He Note: The conclusions drawn from the use of this spreadsheet are solely the responsibility of the Project Engineer. Project specific checks must be verified and all assumptions / data confirmed by the Project Engineer for the specific application in question. C:\Documents and Settings\mhouser\Local Settings\Temporary Internet Files\Content.IE5\GTENSPQ7\Pipe Flotation Calculations[1].xls 12/4/20091:22 PM APPENDIX C Hydrology/Hydraulics Analysis RESLIBM_=QED CONSTRUCTION PRODUCTS INC. www.contech-cpi-corn 11835 NE Glenn Widing Dr Portland, OR 97220 roll-free:800.548.4667 CITY OF FEDERALMAINTENANCE Fax:800.561.1271 BUILDING DE fOpNTRACT & QUOTATION AUG 1 0 2009 To: Ed Kim or Faruq Ramzanalli Date: 8/7/09 KPR Hospitality From: Laura Jones 2200 Sixth Avenue, Suite 520 Seattle, Sixth Avenue, Project Name: Holiday Inn Express - Federal Way Location: Federal Way, WA Email: Project #: 34467 Fax: Phone: (206) 931-1573 Number of Pages: 3 (including cover) Attached please find our quotation for maintenance compliance services of stormwater BMPs for the above referenced site. These services only apply to the stormwater BMPs listed on the quote. Our maintenance compliance services include: 1. Inspection of the stormwater BMP. The frequency of inspection will be based on manufacturer's recommendations, or standard industry practice if appropriate, and is listed on the attached quote. An inspection report will be issued upon completion of each inspection and the results will be used to determine if further cleaning or repair activities are required. An initial baseline inspection will be performed within sixty days of the execution date of this contract. Based on this timeframe, an annual certificate of compliance will be issued as described below. 2. Clean -out of stormwater BMP. Cleaning of the stormwater BMP will be performed as needed based on the results of inspection. Clean -out of BMP includes removal and disposal of accumulated liquids and solids, and replacement of the exhausted filter media cartridges if applicable. A maintenance report will be issued upon completion of each cleaning event. 3. Issuance of an annual Certificate of Compliance. Pending successful completion of required maintenance activities as per the results of the inspection and maintenance reports, a certftate of compliance will be issued. The compliance certificate will certify that all maintenance activities were successfully completed in accordance with accepted guidelines for the stormwater BMP for the referenced period of time. Please don't hesitate to call with any further questions or requests. Sincerely, Laura Jones Field Services Project Coordinator onesln(cD.conteLh-_C I.Cflm Direct: 503-258-3157 CONTECH Stormwater Solutions w�iu�wV. Page 1 of 1 ■yy�`� �� i� nl Maintenance Agreement Feb 08 car30V. 6_11.Ntl rs arc. ©2o06 CONTECH Stormwater Solutions ^_11// 11835 NE Glenn Widing Dr Portland, OR 97220 MAINTENANCE CONSTRUCTION PRODUCTS INC. Toll-free: 800.548.4667 CONTRACT 8r QUOTATION www.contech-cpi.com Fax: 800.561.1271 Project Name: Holiday Inn Express - Federal Way Location: Federal Way, WA Quote Number/Date: 34467 - BMW Service Term: 3 Years For the purposes of this agreement, the authorizing party below will be known as the Buyer and Contech Stonnwater Solutions, Inc. will be known as the Seller. Please review all notes and Terms and Conditions included in this document. Inspection & Cleaning Services Priced Per Structure and Occurrence Site Des I BMP Description I Inspection Fee .01 72" Manhole StormFifter (4 CSF Cartridg $360.00 Inspections Per Cleaning Fee Typical Cleaning Year Frequency 1 $820.00 Every Two to Three Years Additional Notes on Inspection and Cleaning: • Cleaning is performed as needed" based upon the results of the annual inspections. Therefore, the cleaning fee may not always be an annual expense. • Cleaning fee includes shipping, replacement cartridges, vacuum services, disposal of used media and a Certificate of Compliance. • BMP cleaning requirements will vary from site to site and product to product based on the site specific conditions. Inspection and cleaning services to be perfomred and the related charges are based upon the assumption of unrestricted access, dry conditions. non -hazardous materials, no inappropriate discharges, no requirements for permitted traffic control, and reasonable pollutant loading. Reasonable po#ulant loading is defined as an accumulation not greatly exceeding the level at which cleaning is recommended by the manufacturer of the BMP. If site conditions suggest the presence of hazardous materials, all work wail be stopped, The Buyer may be required to characterize {via analyticat testing} the accumulated materials for disposal prior to conducting the field work. Work arising from the presence of regulated materials in excess of permitted levels will be billed as extra services. Regulated materials include but are not limited to: Pesticides, Herbicides, Insecticides, Solvents, Fuels, Strong Acids or Bases. Free Oils and1br Greases. Additional costs arising from any of the aforementioned conditions will be agreed upon by the SellerlBuyer prior to work being performed. CUSTOMER SIGNATURE (please also initial all pages) DATE ACCEPTED BY CONTECH (This date will serve as the start of the service term) NAMEMTLE CONTECH REPRESENTATIVE SIGNATURE SITE CONTACT PHONE Initials A,�I►�Tiewu° Page 2 of *JiYwi� t r+� n Maintenance Agreement Feb 08 CGkSTRUCnok PRpnum INC. ©2006 CONTECH Stormwater Solutions 1. ACCEPTANCE: This quotation is an offer to sell services to potential customer(s). Buyers right to accept this offer Is limited to buyer's assent to the terms and conditions printed hereon, and no terms additional to or different from those in this offer are binding on seller. There are no underslandings, terms, conditions of warranties not fully expressed herein. 2. PRICE: The fee structure for services proposed is only valid if the Agreement is executed by Buyer within 30 days of the quotation creation date. Service terms of greater than 1 year In term may require pricing adjustment due to increases in the cast of tabor, fuel, and pollutant disposal. The Seller may adjust the price to reflect cost increases. Any and all increases to the prices listed in the Agreement must be confirmed, and agreed to, with the Buyer prior to conducting any work under a changed fee structure. if agreement cannot be reached between Seller and Buyer on new fee stricture then the Agreement will be mutually terminated and no penalties will apply. 3. STANDARD OF PERFORMANCE AND SERVICE: Seller shall perform its services in accordance with generally accepted standards presently maintained by other practicing professionais engaged in the same type of work in the general location of the Project. Seller vnll not he responsible for delays caused by factors beyond our control and will not be responsible for delays caused by factors which could not reasonably have been foreseen at the time this Agreement was executed. Seller makes no other warranty, express or implied. The services proposed by Seiler and accepted to by the customer pertain only to those products listed in the Agreement. Maintenance of ofher stormwater devices or appurtenances at the site is the responsibility of the Buyer. We encourage the Buyer to maintain all stormwater structures at the site. 4. LIMITATION OF LIABILITY: Any and all liability, claim for damages, cost of defense, or expenses to be levied against Seller will be limited to a sum not to TERMS AND CONDITIONS exceed Ten Thousand Dollars ($10,000) or the amount of its fee, whichever is lesser, on account of any injury or damage to persons or properly or arising out of any error, omission or professional negligence. S. ATTORNEY FEES AND EXPENSES: In the event suit or action is instituted to enforce any of the terms or conditions of this Agreement, the losing party shall pay to the prevailing party, in addition to the costs and disbursements allowed by statutes, such sum as the court may adjudge reasonable as attomeys fees in such suit or action, in both trial court and appellate courts. 6. FORCE MAJEURE: In any event and in addition to all other limitations stated herein, Seller shall not be liable for any act, omission, result or consequence, including but not limited to any delay in service or performance, which is (i) due to any act of God, the performance of any government order, any order bearing priority rating or order placed under any allocation program (mandatory or voluntary) established pursuant to law, local labor shortage, fire, flood or other casualty , governmental regulation or requirement, shortage or failure or raw material, supply, fuel, power or transportation, breakdown of equipment, or any cause beyond Bellew reasonable control whether of similar or dissimilar nature to those above enumerated, or (tt) due to any strike, labor dispute, or difference with workers, regardless of whether or not Sellers is capable of settling any such labor problem. T. PAYMENTS AND LATE CHARGES ON PAST DUE ACCOUNTS: Buyer represents that Buyer is solvent and can and will pay for the services sold to Buyer in accordance with the terms hereof. Fees for Services will be billed upon completion of work performed. if Buyer objects to any invoice submitted by Seller, Buyer shall so advise Seller, in writing, giving reasons therefore, within fourteen days of the date on said Invoice. If Buyer falls to make any payment due Seller for services and expenses within thirty days of the date on the invoice, the amounts not paid will be considered past due. If Buyer shall fall to comply with any provision or to make payments In accordance with the terms of this contract or any other contract between Buyer and Seiler, Seiler may L at its option defer services or, without waiving any other rights it may have, terminate this contract. A late charge of 1-'1/?/o monthly (18% annual rate) or the maximum allowed by state law, if less, will be imposed on all past due accounts. 8. TAXES: No tax is imposed on the sale of services sold hereunder in any quotation by Seller. All tax shall be added and paid by Buyer as part of the purchase price. 9. BUYER'S RIGHT OF TERMINATION: Buyer may terminate this contract in whole or In part upon notion in writing to Seller. Salter shall thereupon cease work, and Buyer shall pay Seller the sum of the following: (1) the contract price for all services which have been completed prior to termination, and (2) any early termination penalties as specified in the quotation. 10. SELLER'S RIGHT OF TERMINATION: In addition to the other rights of termination provided for in this contract, and if this contract is made pursuant to any governmental rule or regulation, plan, order or other directive, upon the termination thereof, Seller shall have the option of canceling this contract in whole or in part. 11. WAIVER: Failure or inability of either party to enforce any right hereunder shall not waive any right in respect to any other or future rights or occurrences. 12. CONFLICTING PROVISIONS OFFERED BY BUYER: Any terms and conditions of any purchase order or other instrument issued by the Buyer, in connection with the subject matter of this document, which are in addition to or inconsistent with the terms and conditions expressed herein, will not be binding on Seller in any matter whatsoever unless accepted by Seller in writing. 13. SEVERASILITY: in case any provision of this contract shall be declared Invalid, illegal or unenforceable, the validity, Legality and enforceability of the remaining provisions shall not in any way be affected or impaired. 14. APPLICABLE LAW: This contract shall be governed by, and construed and enforced in accordance with, the laws of the State of Ohio. Buyer and Seller specifically agree that any legal action brought refatng to this contract will be brought and tried In the federal district court in Cincinnati, Ohio, or, In the absence of jurisdiction, the Butler County Court of Common Pleas in Hamilton, Ohio. A-1283FiE11.3f Initials Ok 11\1//'1_L1TCIkV" CONSTRUCTION PRODUCTS INC. August 7, 2009 Tim Turner TRT Engineering, Inc. 2636 SE Market Street Portland, OR 97214 Letter of Review RESUBMITTED AUG 10 2009 CITY BUILDING AY LDING DEPT. RE: StormFilter Review, Holiday Inn Express — Federal Way, WA CONTECH Construction Products Inc. has reviewed the plans showing the StormFilter stormwater treatment system for the Holiday Inn Express project in Federal Way, WA. The plans were prepared by TRT Engineering, Inc. This appears to be a good application for the StormFilter. When the StormFilter is placed downstream of detention the flow rate generated at the water quality storm is not always representative of the total volume of water that will go through the system or type of pollutant -loading the system may experience in one year. The designer reports a water quality release rate from detention of 0.10 cfs and a peak release rate during the 100-year storm event of 0.16 cfs. The designer has specified a 72" Manhole StormFilter unit with 6 filter cartridges and CSF niter media. Six 7.5-gpm filter cartridges will treat 0.102 cfs, which meets the treatment requirement. Since the internal bypass capacity of the 72" Manhole StormFilter is 1.5 cfs, the StormFilter may be used online as shown on the plans; a separate high flow Bypass structure is not required. The system appears to be constructible and the horizontal configuration of the inlet pipe and outlet pipe is acceptable for the 72" Manhole StormFilter specified. The vertical separation between the inlet and outlet pipe provides the prescribed 2.3 feet of drop required for the filter cartridges to operate. The location of the StormFilter on the site appears to allow adequate maintenance access and the inside height of the unit will provide sufficient clearance for maintenance activities. In summary, the StormFilter is expected to operate in accordance with CONTECH Construction Products' design intent. Please note that CONTECH Construction Products Inc. has not reviewed the hydraulics of the collection system upstream or downstream of the filter. Please do not hesitate to call if you have any questions or require more information. Sincerely, Andreea Simescu, E.I. Stormwater Designer 02008 CONTECH Construction Products Inc. 11835 NE Glenn Widing Dr., Portland OR 97220 Page 1 of 1 TS-P052 wvnv.conlech-cpi.conz Toll-free:800.548.4667 Fax:800.561.1271 STORMWATER SOLLJTIUNS INC. CONTECH Stormwater Solutions Inc. Engineer: Date Site Information Project Name Project State Project Location Drainage Area, Ad Impervious Area, Ai Pervious Area, AP % Impervious Runoff Coefficient, Rc Upstream Detention System Peak release rate from detention, Qrelease peak Treatment release rate from detention, Q release treat Detention pretreatment credit (from removal efficiency calcs) Mass loading calculations Mean Annual Rainfall, P Agency required % removal Percent Runoff Capture Mean Annual Runoff,Vt Event Mean Concentration of Pollutant, EMC Annual Mass Load, Mtotal Filter System Filtration brand Cartridge height Specific Flow Rate Number of cartridges - mass loading Mass removed by pretreatment system, Mpre Mass load to filters after pretreatment, Mpassl Estimate the required filter efficiency, Efilter Mass to be captured by filters, Mfilter Allowable Cartridge Flow rate, Qcart Mass load per cartridge, Mart (Ibs) Number of Cartridges required, Nmass Treatment Capacity Determine Critical Sizing Value Number of Cartridges using Qrelease treat, Nflow Method to Use: SUMMARY Treatment Flow Rate, cfs Cartridge Flow Rate, gpm Number of Cartridges Determining Number of Cartridges for Systems Downstream of Detention ALS 8/6/2009 Holiday Inn Express - Federal Way Washington Federal Way 1.23 ac 1.23 ac 0.00 100% 0.95 i TP { 0.16 cfs 0.10 cf 50% 39 in 80% 90% 148,882 W 60 mg/I 557.33 Ibs StormFilter 18 in 1.0 gpm/ftz 278.66 Ibs 278.66 ibs 0.60 167.20 Ibs 7.50 36.00 lbs 5 0.08 cfs 6 HYDRAULIC 0.10 7.5 6 1 of 1 ok '► �lrFi.. 3 Yf -.r ii� • r[ a �Y 1'� I� 4 wf" �.. ��~ 41 r y . f ,�'�}, r, r -All � -� �� • �� >,��� �^� ,,ram �'� ��� � ��• � -- .r r• • _ oo Maintenance Compliance CONTECH® Stormwater Solutions offers maintenance compliance for stormwater treatment and detention Best Management Practices (BMPs). Our compliance program can help ensure that both proprietary and land based BMPs are operating as designed year-round. Our services make it easy to comply with regulatory requirements while reducing the impact on the property owners' bottom line. Compliance J State and local governments require maintenance of stormwater treatment systems to ensure that water quality/quantity standards are consistent with design specifications over time. All stormwater treatment systems — whether natural or manufactured — require maintenance. Failure to maintain a stormwater treatment system may result in fines, loss of business, or more severe penalties for the owner. CONTECH Stormwater Solutions now offers a Maintenance Compliance Certification Program to reduce risk and hassle that owners often face while trying to meet compliance requirements. Reduce Cost, Risk and Hassle The Maintenance Compliance Certification Program is a new service offered by CONTECH Stormwater Solutions to help owners of stormwater treatment systems to comply with regulatory requirements. The program consists of: • Maintenance education and training for owners/property managers • Inspection and cleaning services for the stormwater treatment system • Compliance reporting for services provided • Certification of compliance for the property owner page 2' Storfiy'ater Treat Certifprate of ent Syste, Cn rapliance !for Wev,., om the �•owr� �°'wya ns r qux ..•,&mow � meow--%Vr°"exe+�n��'sw'"wr,y,ym,�in�y�'b""n. m NI Wle �lulhanration N��In ,r 8 211, � y,T � 1 Services That Work For You At CONTECH Stormwater Solutions we believe that services should fit the needs of the customer. The Maintenance Compliance Certification Program was developed with this in mind. We offer a complete range of services that can be tailored to your specific site needs. Our services can be tailored to include: • Single event or multi -year service agreements • Pre -paid or pay as you go billing • Pre -construction contracts to expedite permitting • Post -construction contracts to meet regulatory requirements • Full service, inspection only, or cartridge exchange programs Expertise and Experience Make the most of your stormwater treatment system by having it maintained through CONTECH Stormwater Solutions. We have the product expertise and experience to quickly and accurately identify maintenance needs so that system cleaning is performed only when necessary. Many maintenance providers may clean systems out prematurely because they don't have the knowledge or equipment needed to accurately assess system longevity. This results in increased maintenance frequency and higher annual costs than necessary. From remote sensors to filter cartridge flow detectors, CONTECH uses state of the art maintenance technology to ensure cleaning is done at the right time — saving you time and money. These are just some of the benefits you'll receive when you use CONTECH Stormwater Solutions as your maintenance compliance provider. we prim our iDiochures entirely on Forest Stewardship Council certified paper. FSC certlficotion ensures that the paper in our brochures conYiin tiber from evell-mamigsd and responsibly harvested roiests that meet strict envn'onmental and Socioeconomic standards, R • LIL A�"'.:\ITCAII iTDRMWATER SOLUTIONS 877,90.STORM (78676) contechstormwater.com c,-2008 CONTECH Stormwater Solutions CONTECH Construction Products Inc. provides site solutions for the civil engineering industry. CONTECH's portfotia Includes bridges, drainage, Sanitary sewer, stormwater and earth stabilization products. For information on other CONTECH division offerings, visit contech-Cpr.com or tall 800.338.1 122 Nothing in this catalog should be construed as an expressed warranty or an implied warranty of merchantability or fitness for any particular purpose. See the CONTECH standard quotation or acknowledgement for applicable warranties and other terms and conditions of sale. ivlamtenance 03208 3ral Retention/Detention Facility Type of Facility: Detention Tank Tank Diameter: 4.50 ft Tank Length: 460.01 ft Effective Storage Depth: 4.00 ft Stage 0 Elevation: 244.00 ft Storage Volume: 6872. cu. ft Riser Head: 4.00 ft Riser Diameter: 12.00 inches Number of orifices: 2 Full Head Pipe Orifice # Height Diameter Discharge Diameter (ft) (in) (CFS) (in) 1 0.00 2.05 0.229 2 3.20 0.21 0.001 4.0 Top Notch Weir: None Outflow Rating Curve: None Stage Elevation Storage Discharge Percolation (ft) (ft) (cu. ft) (ac-ft) (cfs) (cfs) 0.00 244.00 0. 0.000 0.000 0.00 0.02 244.02 26. 0.001 0.017 0.00 0.04 244.04 53. 0.001 0.024 0.00 0.06 244.06 80. 0.002 0.029 0.00 0.09 244.09 122. 0.003 0.034 0.00 0.11 244.11 150. 0.003 0.037 0.00 0.13 244.13 178. 0.004 0.041 0.00 0.15 244.15 207. 0.005 0.044 0.00 0.17 244.17 236. 0.005 0.047 0.00 0.27 244.27 388. 0.009 0.060 0.00 0.37 244.37 548. 0.013 0.070 0.00 0.47 244.47 715. 0.016 0.079 0.00 0.57 244.57 888. 0.020 0.087 0.00 0.67 244.67 1067. 0.024 0.094 0.00 0.77 244.77 1251. 0.029 0.101 0.00 0.87 244.87 1440. 0.033 0.107 0.00 0.97 244.97 1632. 0.037 0.113 0.00 1.07 245.07 1828. 0.042 0.119 0.00 1.17 245.17 2027. 0.047 0.124 0.00 1.27 245.27 2228. 0.051 0.129 0.00 1.37 245.37 2431. 0.056 0.134 0.00 1.47 245.47 2636. 0.061 0.139 0.00 1.57 245.57 2842. 0.065 0.144 0.00 1.67 245.67 3048. 0.070 0.148 0.00 1.77 245.77 3255. 0.075 0.152 0.00 1.87 245.87 3462. 0.079 0.157 0.00 1.97 245.97 3668. 0.084 0.161 0.00 2.07 246.07 3874. 0.089 0.165 0.00 2.17 246.17 4078. 0.094 0.169 0.00 2.27 246.27 4281. 0.098 0.173 0.00 2.37 246.37 4481. 0.103 0.176 0.00 2.47 246.47 4678. 0.107 0.180 0.00 2.57 246.57 4873. 0.112 0.184 0.00 2.67 246.67 5064. 0.116 0.187 0.00 2.77 246.77 5250. 0.121 0.191 0.00 2.87 246.87 5433. 0.125 0.194 0.00 2.97 246.97 5609. 0.129 0.197 0.00 3.07 247.07 5780. 0.133 0.201 0.00 3.17 247.17 5944. 0.136 0.204 0.00 3.20 247.20 5992. 0.138 0.205 0.00 3.21 247.21 6008. 0.138 0.205 0.00 3.22 247.22 6024. 0.138 0.206 0.00 3.32 247.32 6176. 0.142 0.209 0.00 3.42 247.42 6320. 0.145 0.212 0.00 3.52 247.52 6453. 0.148 0.216 0.00 3.62 247.62 6575. 0.151 0.219 0.00 3.72 247.72 6683. 0.153 0.222 0.00 3.82 247.82 6774. 0.156 0.225 0.00 3.92 247.92 6843. 0.157 0.228 0.00 4.00 248.00 6872. 0.158 0.230 0.00 4.10 248.10 6872. 0.158 0.541 0.00 4.20 248.20 6872. 0.158 1.110 0.00 4.30 248.30 6872. 0.158 1.840 0.00 4.40 248.40 6872. 0.158 2.630 0.00 4.50 248.50 6872. 0.158 2.920 0.00 4.60 248.60 6872. 0.158 3.180 0.00 4.70 248.70 6872. 0.158 3.410 0.00 4.80 248.80 6872. 0.158 3.640 0.00 4.90 248.90 6872. 0.158 3.840 0.00 5.00 249.00 6872. 0.158 4.040 0.00 5.10 249.10 6872. 0.158 4.230 0.00 5.20 249.20 6872. 0.158 4.410 0.00 5.30 249.30 6872. 0.158 4.580 0.00 5.40 249.40 6872. 0.158 4.740 0.00 5.50 249.50 6872. 0.158 4.900 0.00 5.60 249.60 6872. 0.158 5.060 0.00 5.70 249.70 6872. 0.158 5.210 0.00 5.80 249.80 6872. 0.158 5.350 0.00 5.90 249.90 6872. 0.158 5.490 0.00 6.00 250.00 6872. 0.158 5.630 0.00 Hyd Inflow Outflow Peak Storage Target Calc Stage Elev (Cu-Ft) (Ac-Ft) 1 1.89 ******* 0.74 4.14 248.14 6872. 0.158 2 0.82 ******* 0.23 3.88 247.88 6817. 0.157 3 0.99 0.23 0.22 3.73 247.73 6689. 0.154 4 0.72 ******* 0.21 3:27 247.27 6093. 0.140 5 1.41 ******* 0.19 2.90 246.90 5489. 0.126 6 0.78 0.17 0.17 2.28 246.28 4292. 0.099 7 0.51 ******* 0.14 1.53 245.53 2764. 0.063 8 0.58 ******* 0.14 1.40 245.40 2487. 0.057 ►1j Pre-develapment {File: Pre Fed Way HUM Flow Fre ueacy Anal sis Annual Peak flow Rates Flow Peak Time of Peak Peaks Rank Return Prob. Rate Rank Period (cfs) No. cfs) 0.190 4 2/09/0112:30 0.688 1 100 0.990 0.117 7 1/06/021:00 0.428 2 25 0.960 0.428 2 12/08/0217:15 0.230 3 10 0.900 0.098 8 8/26/041:00 0.190 4 5 0.800 0.230 3 11/17/04 5:00 0.176 5 3 0.667 0.172 6 10/27/0510:45 0.172 6 2 0.500 0.176 5 11 /24/06 1:00 0.117 7 HI.3 0.231 0.688 1 1/09/08 6:30 0.098 8 1 0.091 0.601 1 50 0.980 Post -development File: Post Fed Way HI.ts Flow Fre u ney An sis Annual Peak flow Rates Flow Peak Time of Peak Peaks Rank Return Prob. Rate Rank Period (cfs) No. (cfs) 0.742 6 8/27/0118:00 1.890 1 100 0.990 0.506 8 9/17/0217:45 1.410 2 25 0.960 1.410 2 12/08/0217:15 0.989 3 10 0.900 0.583 7 8/23/0414:30 0.822 4 5 0.800 0.778 5 10/28/0416:00 0.778 5 3 0.667 0.882 4 10/27/0510:45 0.724 6 2 0.500 0.989 3 10/25/06 22:45 0.583 7 1.3 0.231 1.890 1 1/09/08 6:30 0.506 8 1.1 0.091 1.730 50 0.980 i APPENDIX D Maintenance and Operations Manual i General Overview of Maintenance & Operations Inspection and Maintenance Tasks A. Preventative and Corrective Maintenance A good maintenance program should include preventive maintenance as well as corrective maintenance. The preventive component should include 1.) periodic inspection, adjustments, replacement, etc., 2.) record keeping of operations, 3.) cost accounting, and 4.) annual or more frequent, review of cost-effectiveness of the preventive maintenance program. The major prerequisite for a preventive -type program is an assured source of funds. The other component of a maintenance program, corrective is characterized by crisis -type responses to problems that go unrecognized, or are unattended, over a lengthy period of time. Often, such problems are treated as emergencies and, in some instances; little time is available for study, design, competitive bidding, etc. As a result, the solutions provided are not always the most effective, nor the most economical. B. Inspection Intervals Inspections of facilities should be made as frequently as experience shows necessary, perhaps monthly as a minimum - and more often in wet seasons. Where debris is a problem, inspections must be spaced according to debris generation. In any event, it is important to conduct inspection and cleanup work following heavy or sustained runoff events. It is sometimes necessary to make inspections during rainstorms when intense rainfall occurs. C. Types of Maintenance Tasks Maintenance tasks can be grouped in three general categories: 1.) aesthetic maintenance, 2.) nuisance maintenance, and 3.) operations and structural maintenance. Of these, the most important, from the standpoint of health and safety, is operations and structural maintenance. J D. Operations and Structural Maintenance This category can be characterized as that level of maintenance required to ensure against failure of the system and to ensure that the facility continues to function as designed. Neglecting this level of maintenance could cause flooding and subsequent property damage. In addition, neglect often causes a facility to cease functioning as it was originally designed to do. A program of scheduled, periodic inspections of the facility is essential to recognize potential structural maintenance needs. E. Operations and Maintenance The operations and maintenance of stormwater management facilities are of utmost importance in sustaining the aesthetic values and long-term effectiveness of the facility. Poor operation and inadequate maintenance not only reduce the usefulness of facilities but can cause the facility to become an eyesore, nuisance, health hazard, or failure - all unacceptable to the public. Operation and maintenance costs are difficult to quantify because they vary with storm frequency (more debris and sediment deposition), design features, location, type of facility, accessibility, type of flow control device, etc. Some of the cost categories that should be considered in determining operations and maintenance costs are: 1. Pollution problems 2. Debris removal 3. Erosion control and sediment removal 4. Safety features 5. General maintenance, including mowing, and weed control 6. Structural maintenance 7. Access Wj APPrEND­A Tvu1,:,N-1-ENANC2 STJ-,TNDARDSF p, N03A -CLOSED t0ETErTnON SYSTEMS, MIPEWANKS) Main ana-kcs, Defect 's Needor, --andVons, W�*n wairtenap"ei- Results d. W hen Mainteilance is Perform-ed. Component Storage Area Plugged 14 vents One. -hair of the cross sectim, of a vem is blocked at vedimenents free TT debris and st any point with debris and sediment Debris and ACCLIMuiated sediment depth exceeds 10% of the All sediment and debris Sediment diameter of the storage area for % length of storage removed from storage area. vault or any point depth exceeds 15% of diameter. Example; 72-inch storage tank would require cleaning when sediment reaches depth of 7 inches for more than'/2 length of tank. Joints Between Any crack allowing material to be transported into All joint between tank /pipe sections are sealed Tank/Pipe Section facility Tank Pipe Bent Any part of tank/pipe is bent out of shape more than Tank] pipe repaired or replaced Out of Shape 10% of it's design shape to design. Manhole Cover Not in Place Cover is missing or only partially in place. Any open Manhole is closed. manhole requires maintenance. Locking Mechanism cannot be opened by one maintenance Mechanism opens with proper Mechanism Not person with proper tools. Bolts into fram e have less tools. Working than V2 inch of thread (may not apply to self-lockin g lids.) Cover Difficult to One maintenance person cannot remove lid after Cover can be removed and by one maintenance Remove applying 80lbs of lift- Intent islo keep COVOrlrom reinstalled sealing off access to maintenance. person. Ladder Rungs King County Safety office and/or maintenance person Ladder meets design standards maintenance parson me Unsafe judges that ladder's I Ins2lie due to missing rungs, allows misalignment, rust, or cracks. access - Catch Basins See 'Catch Basins' Standards No. 5 See "Catch Basins" Standards No. 5 9/l/98 1998 Surface Water Design Manual A-3 NT E 71,0 �7�s APPIENDUKA NIO� 4 C'ONTRICH SMUGF_IFL0YV RESTPCTOR Defect, F;esu.-Its I Ulaintenance 's "eftVime Component Trash and Debris Distance between debris build-up and boTtom of All trash and debris removed. GanerW (includes Sediment) orifice plate is less than 1-1/2 feet. stmoture is not securely attached to manhole wall Structure secureiv attached to Structural Damage and outlet pipe structure should support at least wall and outlet pipe. 1,000 Ibs of up or down pressure_ Structureis not in upright position (allow up to structure in correct position. 0% from plumb). Connections to Outlet pipe are not watertight and Connections to outlet pipe are show signs of rust. watertight; structure repaired or replaced and works as designed_ Anyholes--other than designed holes --in the Structure has no holes other structure. than designed holes. Cleanout Gate Damaged or Missing Cleanout gate :is not watertight OT is missing. Gate is watertight and works as designed. Gate cannot be moved up and down by one Gate moves up and down easily maintenance person. and is watertight. Chain leading to gate is missing or damaged- Chain is in place and works as designed. Gate is rusted over 50% of its surface area. Gate is repaired raced to design stanorareplds meet d.. Damaged or Missing Control device is not working properly due to Plate is in place and works as Orifice Plate missing, out of place, or bent Orifice plate. designed. Any trash, debris, sediment, or vegetation Plate is free of all obstructions Obstruction's blocking the plate. and works as designed. Any trash or debris blocking (or having the pipe is free of all obstructions Overflow Pipe Obstructions polenUW of blockin) the overtlow pipe. and works as designed. See 'Closed Detention Systems' Standards No, 3 See "Closed Detention SystemsManhole Standards No- 3 See "Catch Basins' Standards No. 5 See `Catch Basins" Standards Catch Basin No, 5 1998 surface Water Design Manual 9/1/98 A-4 C• n ncce is �eeuec ?esultz xpec2e When MaIntanance :pe`aet io_« .... 2,ai �rtenance- is performed '`• ^.ornp ner'£ Genera! Trash & I'�Ehris Trash of LfE7Ei5 of << rE ha: 11r2 cubic foci §`sl? cIT is No Trash or debris located (includes Sediment) located immediately in front of the catch basin immediately in trent of catch Opening or is blocking capadt<; of the basin by basin opening - ,sore 'char, 1'1 Trash or debris (in the basin) that exceeds 113 the depth from the bottom of basin to Inver; the ip-Vest Pipe info or out of the basin. Trash or debris in any inlet or outlet pipe blocking mare than 1/3 of its height_ Head animals Or Vagetatian that could generate odors that could cause complaints or dangerous gases (e.g_, methane). Deposits of garbage exceeding 1 cubic foot in volume Structure Damage to Comer of frame extends more than 314 inch past Frame and/or Top Slab curb face into the street (if applicable)_ No trash or debris in the catch basin. Inlet and outlet pipes free of trash or debris. No dead animals or vegetation present within the catch basin. No condition present which would attract or support the breeding of insects or rodents. Frame is even with curb. Top slab has holes larger than 2 square inches or Top slab is free of holes and cracks wider than ;14 inch prtent is to make sure cracks. all material is running into basin). Frame not sitting flush on top slab, i.e., separation Frame is sitting flush on top of more khan 314 inch of the frame from the top slab. slab, Cracks in Basin Walls/ Cracks wider Van 112 inch and longer Uhan 3 jest, Basin replaced orrepaired to Bottorn any evidence of sot{ particles entering cats-b basin design standards. through Cracks. or maintenance per Wr% judges that structure is unsound. Sediment/ Misalignment 1.998 Sur ace Water Design Manual Cracks wider titan 'i12 inch and tonger than t icOt No c€acks more ti<an 1 /4 inch at the joint of any inlet outlet pipe ar any aviderca wide at the joint of inletioutlet d soil particles entering catch basin through pipe. Cracks. Basin has settled more than 1 inch or has rotated more than 2 ircihes out of alignment. A-5 Basin replaced or repaired to design standards. 911198 `i 7 �'O A— J�T C, TOR etc is -.'�err -rz.r'9t[ -om"'nonen", Fire Ha7ard Presence of ollemicals stx;h as natural gas, oH and Nc Aamma-UP chemnica's aasoline. present. Vegetation veget@'Jor groWing across and bloc king more tan ING veastation blocking operunQ 10% of the basin operfil ric. to bas;n. Vagetagon growing in IF-.!av-juda, pipe io:rds that Is No vegetation or root crOW"th, mare than six inchestall and less than six inches present. apart_ PollutionNonflammable chemicals of more than ',.!2 cubic foot No pollution present other than per three feet of basin length. surface film. . Catch Basin Cover Cover Not in Place Cover is missing or only partially in place. Any open Catch basin cover is closed catch basin requires maintenance. Locking Mechanism Mechanism cannot be opened by on maintenance Mechanism opens with proper Not , WorMng personvAith proper tools. Bolts into frame have iF--ss tools. than 1/2 inch of thread. Cover Difficult to one maintenance person cannot remove lid after Cover can be removed by one Remove applying 80 bs. of Ift intent is keep cover from maintenance person. sealing off access to maintenance. Ladder Ladder Rungs Ladder is unsafe due to missing rungs, misalignment, Ladder meets design standards Unsafe ust, crackr, or sharp edges. and allows maintenance personsafe access. Metal Grates Grate with opening wider than 7,18 inch. Grate opening meets design standards. (I" Applicable) Trash and Debris Trash and deb -is that is block:no more than 20% of Grate free of trash and debris. grate surface. Damaged or Grate missing or broken miernberls) W the grate. Grateis in place and meets design standards- Missing- -BRIS SARME Defect viihen Maintenance is-::: N eu Its Expected When, esu - Maintenance is Performed. components General Trash and Debris Tras� o, delfris that is plugging 7110fethar, 20% of Bam• -cjS to Tereive capacity the Dpkniap in the barrier. flow. i0et21 Kilissing Bars are bent out of sK'apramare then sInches. Bars in place wrth no than 3/4 inch_ Barsare missing or entire barter riussmig:." Bars In place according to design. barrier to 'awsam loose and rust is causing 50%. delericralion ' ep;�dr or replace to ap-�pa�, of barrier.. 9/1/99 t 998 Surface Water Desi p `Aanual A-6 ',PEN .^v _'=/;'.iThy: Fop 1,.• .�v.-1 _�%~f.� i ���._ _._ .. s��t �O�?d:!€�';S'`i'v``i�;'�?;� r.Ae^ar#eP. 7e. F �� �e'f+iriid��- kai E)ettemsssal_ Rook Pad Dispersion Trend missing or moved Only one €ayer of ror-k exists a'Y3ve nati'le sell in Replace rocks to design? Rock area five sjuarE feet or larger, or any ePost*re of standards. native soil. Pipe Piugaed with Accumulated sediment that exceeds 2t % of the Sediment design depth. Not Discharging Visual evidence of water discharging at along trench (normal condition Water Property concentrated points is a "sheet fiov/' of water along trenchy. Intent is to prevent erosion damage. Perforations Over 112 of perforations in pipe are plugged with Plugged_ debris and sediment. Water Flows Out Maintenance parson observes water flowing out Top of "Distributor" during any storm less than the design storm or its Catch Basin_ causing or appears likely to cause damage. Receiving Area Water in receiving area is causing or has potential Over -Saturated of causing landslide problems. Internal: Manhole/ Chamber Wornor Damaged Structure dissipating flow deteriorates to 112 or Post. Baffles, Side originaf size or any concentrated wom spot of Chamber exceeding one square foot which would make structure unsound - Other Defects See "Catch Basins" Standard No. 5 Pipe cleaned/ flushed so mat it matches design. Trench must be redesigned or rebuilt to standards_ Clean or replace perforated pipe. Facility must be rebuilt or redesigned to standards. No danger of landslides. Replace structure to design standards_ See "Catch Basins` Standard No- 5 911199 1g98 Surface Water ]3esig Manual A-7 IF—P� A MA- PRTVA E Defect FaIn't-w'Fr-cm 7S `-"e, maintsmance i ormed Sediment & Debtis AccuMulated exceeds 20% 0' the F;pc- Cleaned of all sediment and debris_ Fllpes d � a rn ete r C:, pipe. Va q Ve a etato n that re d EI c es free. n- o)j e,�- ent of urate r All vegsatorremoved so wafer 1 , freely th�-ojgh pipes. -,hmugh pipes. — - flows Damaged , ve co;ong is damaged: rust is causing protac� -d G.- -ec",L pipe repaired , replaced. more than 50% dettaftratiOn t1i aily part of pipe_ Artydent that decreases the Cross section area of Pipe repaired Or replaced. pipeby more than 20%. Trash and deb is exceeds 1 cubic foot per 1,000 Trash a -Lid debris cleared from Open Ditches Trash & Debris square feet of ditch and slopes. ditches. Sediment Accumulated sedirnantthat exceeds 20 % of the Ditch cleanedf iushed of all sediment and/debris so that it design depth. matches design. Vegetation that reduces free movement Of water Water flows freely thTouah Vegetation through ditches. ditches. Erosion Damage to see 'Ponds" Standard No. 1 See "Ponds" Standard No. 1 Slopes Rock Lining Out of maintenance person Can see native soil beneath Replace rocks to design Place or Missing (if the rock lining. standards. Applicable). See 'Catch Basins: Standard No. 5 See 'Catch Basins' Standard Catch Basins No. 5 See 'Debris Barriers" Standard No.6 See "Debris Barriers" Standard Debris Barriers No. 6 (e.g., Trash Rack) G R 0 U N D (i A, NOD, S C A P NI G) Conditions YIhep- Mllairnenance is Mac-ded Pesults. Expected When IV,,s _inten2-T nte is Per florm ed Component 'Needs landscaped Vjeeids present in than 5% the landscaped area. General (Nonpoisonous) area (I. trees and shrubs Only). of Safety'Hazard Any presence of poison ivy or O�,.har poisonous No poisonous vegetation present in landscaped area.- vegetation. Trash or Litter. paper, cans, botllds, totaling more than I cubic foot Area clear of litter. within a landscaped a,,ap- (trees and shrubs only) of 1 000 square fest Trees and Shrubs D ar-nac e d Limbs or parts oft-.eea or shrubs that. arc- split Or th'he total i 5% Of total foliage Trees and shrubs wwth Jessthan ith split or broken which affect more than25% foliate O�T the tree or shrub. broken limbs. Trees or shrubs that have been blown doom or. Tree or shrub in place ' ree & , knocked over- Injury. rees or shrubs %r+Nch are not adequately supported Tree or shrub in place and or are leaning over, causlcausingexposure of the roots, adequately suppo ted; remove any dead or diseased trees. 1998 Surface Water Design Manual A-9 ?Rv-Q Z F-) Lsaf CO OiGst ao d CPS S -Jesuits 0 r'.ec:"Cd". When Mairftenancs oat--- PeK-crrned Above Ground . . Sediment .... 7, !6e OGP- e--eeoS -2 inches. No sediment deposits an fabric layer Which would impede Open Swale accumulation Orl Gee- permeability of the iabdc. TewNei media Trash and debris Trash and debris accumulated On coi-FjDcst fitter Tras1h and debris removed -.roT) Compost filter bed- accusmulatic-FIS bed. Sedim entJ debris in when. the yard drain CUS and r,,!ea-rt-outs become Removetile accumula�ed material from the facility. drairV yard drains! full of sediment 8-ndf or debris- ciean-outs- Vegetation V ,getabon impending flow -LhTough section, or vagaution is mowed or eradicated such that flowisno encroachino inCompost media- longer Impeded- Leaf compost Media 0 rawdown ct water through the le -at COMPOSI, Replace media with e nw to design speodjcatjons� in addition —,akas longer than I 2-hours, p ndf or low through to replacing fabric. the overflow Pipes occurs frequently. When Channeled flow occurs over the leaf media; Flow is tjfilforM over the entire Short -Circuiting flow through the media at the width of the media seoffon, and and where perks percolation does baffles. concentrated not occur at the baffle walls. Medianeeds to be graded and re -set at the baffles to form a seat, Weir plate may need to be adjusted in addition. Erosion Damage to Eroded damage over 2-inch. "deep where cause of damage is prevalent or potential for continued Slopes shoufo be stabINZOd by using proper erosion co Kra! Slopes erosion is pre7-jalent. measures. Damaged GeG-71 eKtiie When fabric is tc r, deteriorated, raveled, etc. Fabric replaced as necessary. Fabric, Soil beneath tle pad is visible. Replace or i ebu-Jid the rock Pad Rack Pad Missing or to design standards - out of place Any par' of The POO SYSTgrn that is crushed. Pipe repaired or replaced. Damaged Pipes damage due to co7osion, andlo. setNemerit, V-Notch Weir is not being un�'om ly spread over, fitter Clean, repair or replace the weir Assembliesrnedia. systems_ ,%-- Belo,Ground Sediment Sedimen'deptt, exceeds 0-25-lr�ChPs. r,,to sediment deposits on fabric layer which would !MPedD Vault Accumulation on Gee- permeability of the fabric and .! excite/ Media- compost media. Sediment Sediment deptt"'[ exceeds 6-Inches in first chamber. No sediment deposits in vault bottom of firjt chamber. Accumulation in Vault Trash/ Debris lilrer rash, and debris accumulated on composthe i rash and debris removed from bed- Accumulation bed. t compostfilte-, t Sediment in Drain VVhe, n drain pipes, clean -ruts yard drains become Remove the accumulated material from the facilities. Pipes/ Yard Drains/ full .,v;th sediment andl or debris- Clean -Outs I—) j 99S 5uti ace Water Design Manua! 9/j/98 A-16 _�S� exd`<' _ =1 r :.; :..- ..._ ...... =. _ ;:_ ,.... s�MIE - (CMIA a_i N I r _ -. LeafrA9�e,c Rt rrt'S-'!€SE7Cs7ECled when �V Si?fa F��2';�•�... [(ice Diet �un''Sitins'{V.`llt -' slf3ii:..r»nez;, i.. s ..s . :l1ta'inie�anL:e J� 2�eF-O F'�SsE_l. :,orncoi:en4 elcv GroS': Fd Lea- Compost Media Drawdown of Water through t'rw lea#-campOst, takes Peplace rrEedia rr:th moor specificati.gns, iir longer :l,an 12-hours, acid! or Ov611!O-1X rccurs compostro -ddition to replacing fab c. f; epusntly. Short Circ0ing when seepage occurs along the vault wall and Percolation of water occurs along the walls MCI comes and comers Occur. not through the media section. Media needs to be re -set along the vault wall and corners to form a semi -sea. Plugged/ Damaged Flow tends to backup unusually high in the first Clean out the elbow fiftings and/ or replace if damaged_ Elbows chamber of the vault. Damaged Geo-iexiile Fabric is tom, deteriorated, raveled, etc. Fabric replaced as necessary. Fabric Rocle Pad Missing or Soil beneath the pad is visible_ Replace or rebuild the rock pad to design standards. Out of Place Any of the pipes that are crushed, damaged Pipe repaired andf or replaced. Damaged Pipes part due to corrosion and/ or setUement- Access Cover Cover cannot be opened, one person cannot open Cover repaired to proper workreplaced. ingspecifications or Damaged/ Not the cover, corrosion! deformation of cover. Working Flow does not spread uniformly over filter media by Clean, repair and/ or replace the V-Notch Weir !volt plate se�Jon, or adjust } Assemblies apeir sacUcr,. height. Cracks wider than 1112-=nch and any evidemG of soil Vault replaced or repaired to Vault Structure in entering the structurethrodgh the cracks. design specifications. Includes Cracks Wall, Bottom, particles or maintenance( inspection personnel dsterrnfnes Damage to Frame that the vault is not strurturaily sound. and/ or lop Saab Bafftes SaYies corroding, cracking ;varpitig. and/ Or sho- ing Repair or replace baffles to signs of failure as determined by meirrtenance/ specification. inspection person - Access Ladder Ladder is corroded Or deteriorated, nGt functioning Ladder replaced or repaired and specifications, and is Damaged property, missing rungs, emc!cs, and misaligned. meets Sale to use as determined by inspection personnel- Cracks wider than 112•inch at the jOIM of any No cracks more than 1/4-inch the inlet/ intetlbutlet pipe or any evidence of soli particles wide at the joi<<t of eniering the'rault through the 'Halls. outlet pipe. 1998 Surface Water Design Manual $-E 9/1/98 STOWWATER StormFilter Inspection and Maintenance Procedures xF S r17]Filto ; J Maintenance Guidelines The primary purpose of the Stormwater Management StormFilter' is to filter out and prevent pollutants from entering our waterways. Like any effective filtration system, periodically these pollutants must be removed to restore the StormFilter to its full efficiency and effectiveness. Maintenance requirements and frequency are dependent on the pollutant load characteristics of each site. Maintenance activities may be required in the event of a chemical spill or due to excessive sediment loading from site erosion or extreme storms. It is a good practice to inspect the system after major storm events. Maintenance Procedures Although there are likely many effective maintenance options, we believe the following procedure is efficient and can be implemented using common equipment and existing maintenance protocols. A two step procedure is recommended as follows: 1. Inspection Inspection of the vault interior to determine the need for maintenance. Z. Maintenance Cartridge replacement Sediment removal Inspection and Maintenance Tinning At least one scheduled inspection should take place per year with maintenance following as warranted. First, an inspection should be done before the winter season. During the inspection the need for maintenance should be determined and, if disposal during maintenance will be required, samples of the accumulated sediments and media should be obtained. Second, if warranted, a maintenance (replacement of the filter cartridges and removal of accumulated sediments) should be performed during periods of dry weather. In addition to these two activities, it is important to check the condition of the StormFilter unit after major storms for potential damage caused by high flows and for high sediment accumulation that may be caused by localized erosion in the drainage area. It may be necessary to adjust the inspection/ maintenance schedule depending on the actual operating conditions encountered by the system. In general, inspection activities can be conducted at any time, and maintenance should occur, if warranted, in late summer to early fall when flows into the system are not likely to be present. Maintenance Frequency The primary factor controlling timing of maintenance of the StormFilter is sediment loading. A properly functioning system will remove solids from water by trapping particulates in the porous structure of the filter media inside the cartridges. The flow through the system will naturally decrease as more and more particulates are trapped. Eventually the flow through the cartridges will be low enough to require replacement. It may be possible to extend the usable span of the cartridges by removing sediment from upstream trapping devices on a routine as -needed basis in order to prevent material from being re -suspended and discharged to the StormFilter treatment system. Site conditions greatly influence maintenance requirements. StormFilter units located in areas with erosion or active construction may need to be inspected and maintained more often than those with fully stabilized surface conditions. The maintenance frequency may be adjusted as additional monitoring information becomes available during the inspection program. Areas that develop known problems should be inspected more frequently than areas that demonstrate no problems, particularly after major storms. Ultimately, inspection and maintenance activities should be scheduled based on the historic records and characteristics of an individual StormFilter system or site. It is recommended that the site owner develop a database to properly manage StormFilter inspection and maintenance programs. Prior to the development of the maintenance database, the following maintenance frequencies should be followed: Inspection One time per year After major storms Maintenance As needed, based on results of inspection (The average maintenance lifecycle is approximately 1-3 years) Per Regulatory requirement In the event of a chemical spill Frequencies should be updated as required. The recommended initial frequency for inspection is one time per year. StormFilter units should be inspected after major storms. ti Wj Sediment removal and cartridge replacement on an as needed basis is recommended unless site conditions warrant. Once an understanding of site characteristics has been established, maintenance may not be needed for one to three years, but inspection is warranted and recommended annually. Inspection Procedures The primary goal of an inspection is to assess the condition of the cartridges relative to the level of visual sediment loading as it relates to decreased treatment capacity. It may be desirable to conduct this inspection during a storm to observe the relative flow through the filter cartridges- tf the submerged cartridges are severely plugged, then typically large amounts of sediments will be present and very little flow will be discharged from the drainage pipes. If this is the case, then maintenance is warranted and the cartridges need to be replaced. Warning: In the case of a spill, the worker should abort inspection activities until the proper guidance is obtained. Notify the local hazard control agency and CONTECH Stormwater Solutions immediately. To conduct an inspection: Important: Inspection should be performed by a person who is familiar with the operation and configuration of the StormFilter treatment unit. 1. If applicable, set up safety equipment to protect and notify surrounding vehicle and pedestrian traffic. 2. Visually inspect the external condition of the unit and take notes concerning defects/problems. 3. Open the access portals to the vault and allow the system vent. 4. Without entering the vault, visually inspect the inside of the unit, and note accumulations of liquids and solids. 5. Be sure to record the level of sediment build-up on the floor of the vault, in the forebay, and on top of the cartridges.. If flow is occurring, note the flow of water per drainage pipe. Record all observations. Digital pictures are valuable for historical documentation - 6. Close and fasten the access portals. 7. Remove safety equipment. 8. If appropriate, make notes about the local drainage area relative to ongoing construction, erosion problems, or high loading of other materials to the system. 9. Discuss conditions that suggest maintenance and make decision as to weather or not maintenance is needed. Maintenance Decision Tree The need for maintenance is typically based on results of the inspection. The following Maintenance Decision Tree should be used as a general guide- {other factors, such as Regulatory Requirements, may need to be considered) 1. Sediment loading on the vault floor- a- If >4" of accumulated sediment, maintenance is required. 2. Sediment loading on top of the cartridge. a. If > 1/4" of accumulation, maintenance is required. 3. Submerged cartridges. a; If >4" of static water in the cartridge bay for more that 24 hours after end of rain event, maintenance is required. 4. Plugged media. a. If pore space between media granules is absent, maintenance is required. 5. Bypass condition. a. If inspection is conducted during an average rain fall event and StormFilter remains in bypass condition (water over the internal outlet baffle wall or submerged cartridges), maintenance is required. 6. Hazardous material release. a. If hazardous material release (automotive fluids or other) is reported, maintenance is required. 7. Pronounced scum line. a. If pronounced scum line (say >_ 1/4" thick) is present above top cap, maintenance is required. 8. Calendar Lifecycle. a. If system has not been maintained for 3 years maintenance is required. 3 Assumptions • No rainfall for 24 hours or more • No upstream detention (at least not draining into Storm Filter) • Structure is online • Outlet pipe is clear of obstruction • Construction bypass is plugged Maintenance Depending on the configuration of the particular system, maintenance personnel will be required to enter the vault to perform the maintenance. Important: If vault entry is required, OSHA rules for confined space entry must be followed. Filter cartridge replacement should occur during dry weather. It may be necessary to plug the filter inlet pipe if base flows is occurring. Replacement cartridges can be delivered to the site or customers facility. Information concerning how to obtain the replacement cartridges is available from CONTECH Stormwater Solutions. Warning: In the case of a spill, the maintenance personnel should abort maintenance activities until the proper guidance is obtained. Notify the local hazard control agency and CONTECH Stormwater Solutions immediately. To conduct cartridge replacement and sediment removal maintenance: 1. If applicable, set up safety equipment to protect maintenance personnel and pedestrians from site hazards. 2. Visually inspect the external condition of the unit and take notes concerning defects/problems. 3. Open the doors (access portals) to the vault and allow the system to vent. 4. Without entering the vault, give the inside of the unit, including components, a general condition inspection. 5. Make notes about the external and internal condition of the vault. Give particular attention to recording the level of sediment build-up on the floor of the vault, in the forebay, and on top of the internal components. 6. Using appropriate equipment offload the replacement cartridges (up to 150 lbs. each) and set aside. 7. Remove used cartridges from the vault using one of the following methods: Method 1: A. This activity will require that maintenance personnel enter the vault to remove the cartridges from the under drain manifold and place them under the vault opening for lifting (removal). Unscrew (counterclockwise rotations) each filter cartridge from the underdrain connector. Roll the loose cartridge, on edge, to a convenient spot beneath the vault access. Using appropriate hoisting equipment, attach a cable from the boom, crane, or tripod to the loose cartridge. Contact CONTECH Stormwater Solutions for suggested attachment devices. Important: Note that cartridges containing leaf media (CSF) do not require unscrewing from their connectors. Take care not to damage the manifold connectors. This connector should remain installed in the manifold and could be capped during the maintenance activity to prevent sediments from entering the underdrain manifold. B. Remove the used cartridges (up to 250 lbs. each) from the vault. Important: Care must be used to avoid damaging the cartridges during removal and installation. The cost of repairing components damaged during maintenance will be the responsibility of the owner unless CONTECH Stormwater Solutions performs the maintenance activities and damage is not related to discharges to the system. C. Set the used cartridge aside or load onto the hauling truck. D. Continue steps a through c until all cartridges have been removed. Method 2: A. Enter the vault using appropriate confined space protocols. B. Unscrew the cartridge cap. C. Remove the cartridge hood screws (3) hood and float. D. At location under structure access, tip the cartridge on its side.. j Important: Note that cartridges containing media other than the leaf media require unscrewing from their threaded connectors. Take care not to damage the manifold connectors. This connector should remain installed in the manifold and capped if necessary. D. Empty the cartridge onto the vault floor. Reassemble the empty cartridge- E. Set the empty, used cartridge aside or load onto the hauling truck, F. Continue steps a through e until all cartridges have been removed. .M= w 8. Remove accumulated sediment from the floor of the vault and from the forebay. This can most effectively be accomplished by use of a vacuum truck. 9. Once the sediments are removed, assess the condition of the vault and the condition of the connectors. The connectors are short sections of 2-inch schedule 40 PVC, or threaded schedule 80 PVC that should protrude about 1 " above the floor of the vault. Lightly wash down the vault interior. a, If desired, apply a light coating of FDA approved silicon lube to the outside of the exposed portion of the connectors. This ensures a watertight connection between the cartridge and the drainage pipe. b. Replace any damaged connectors. 10. Using the vacuum truck boom, crane, or tripod, lower and install the new cartridges. Once again, take care not to damage connections. 11, Close and fasten the door. 12. Remove safety equipment. 13. Finally, dispose of the accumulated materials in accordance with applicable regulations. Make arrangements to return the used empty cartridges to CONTECH Stormwater Solutions. '&AY' jj�snpj OP 5 Related Maintenance Activities - Performed on an as -needed basis StormFilter units are often just one of many structures in a more comprehensive stormwater drainage and treatment system. In order for maintenance of the StormFilter to be successful, it is imperative that all other components be properly maintained The maintenance/repair of upstream facilities should be carried out prior to StormFilter maintenance activities. In addition to considering upstream facilities, it is also important to correct any problems identified in the drainage area. Drainage area concerns may include: erosion problems, heavy oil loading, and discharges of inappropriate materials. 40) PAPER LED Material Disposal The accumulated sediment found in stormwater treatment and conveyance systems must be handled and disposed of in accordance with regulatory protocols. It is possible for sediments to contain measurable concentrations of heavy metals and organic chemicals (such as pesticides and petroleum products). Areas with the greatest potential for high pollutant loading include industrial areas and heavily traveled roads. Sediments and water must be disposed of in accordance with all applicable waste disposal regulations. When scheduling maintenance, consideration must be made for the disposal of solid and liquid wastes. This typically requires coordination with a local landfill for solid waste disposal. For liquid waste disposal a number of options are available including a municipal vacuum truck decant facility, local waste water treatment plant or on -site treatment and discharge. Support • Drawings and specifications are available at contechstormwater.com. • Site -specific design support is available from our engineers. ©2007 CONTECH Stormwater Solutions A: .§JgrV-A%"' 800.925.5240 contechstormwater.com CONTECH Construction Products Inc. provides site solutions for the civil engineering industry. CONTECH's portfolio includes bridges, drainage, sanitary sewer, stormwater and earth stabilization products. For information on other CONTECH division offerings, visit contech-cpi.com or call 800.338.1122 Nothing in this catalog should be construed as an expressed warranty or an implied warranty of merchantability or fitness for any particular purpose. See the CONTECH standard quotation or acknowledgement for applicable warranties and other terms and conditions of sale. Date: Personnel: Location: System Size: System Type: Vault ❑ Cast -In -Place ❑ Linear Catch Basin ❑ Manhole ❑ Other El Date: Sediment Thickness in Forebay: Sediment Depth on Vault Floor: Estimated Flow from Drainage Pipes (if available): Cartridges Submerged: Yes ❑ No ❑ Depth of Standing Water StormFilter Maintenance Activities (check off if done and give description) ❑ Trash and Debris Removal: ❑ Minor Structural Repairs: Excessive Oil Loading: Yes ❑ No ❑ Source: Sediment Accumulation on Pavement: Yes ❑ No ❑ Source: Erosion of Landscaped Areas: Yes ❑ No ❑ Source: Items Needing Further Work: Owners should contact the local public works department and inquire about how the department disposes of their street waste residuals. Other Comments: 1 I 1 I 1 i l 1 1 I I Review the condition reports from the previous inspection visits, Date: Personnel: — Location: System Size: _ System Type: Vault ❑ Cast -In -Place ❑ List Safety Procedures and Equipment Used: System observations Months in Service: Oil in Forebay: Sediment Depth in Forebay: Sediment Depth on Vault Floor: Structural Damage: Drainage Area Report Excessive Oil Loading: Sediment Accumulation on Pavement: Erosion of Landscaped Areas: Linear Catch Basin ❑ Manhole ❑ Other ❑ Yes ❑ No ❑ Yes ❑ No ❑ Source: Yes ❑ No ❑ Source: Yes ❑ No ❑ Source: StormFilter Cartridge Replacement Maintenance Activities Remove Trash and Debris: Yes ❑ No ❑ Details: Replace Cartridges: Yes ❑ No ❑ Details: Sediment Removed: Yes ❑ No ❑ Details: Quantity of Sediment Removed (estimate?): Minor Structural Repairs: Yes ❑ No ❑ Details: Residuals (debris, sediment) Disposal Methods Notes: APPENDIX E Geotechnical Report Ph 253-896-1011 Fx 253-896-2633 Mr_ Dale Sweeney 5715 — 143'u Place SE Bellevue, Washington 98006 eo es® rceS LC 5007 Pacific Hwy. E., Suite 20 Fife, Washington 98424 January 28, 2008 Geotechnical Report Proposed Hotel 34839 Pac"rfic Highway South Federal Way, Washington Job Name: Sweeney, D. PacHwyS INTRODUCTION This report summarizes the results of our geotechnical engineering services for the proposed new hotel to be constructed at 34839 Pacific Highway South in Federal Way, Washington. The approximate location of the site is shown on Figure 1. Our understanding of the project is based on our discussions with you, our review of the available project plans and our local experience with similar projects in the vicinity of the site. We were provided with a preliminary a site plan showing the planned building location and parking lot configuration. The plan indicates the project will consist of constructing a new 4-story hotel building in the approximate center of the site with parking areas provided along all sides. An access driveway will enter the site from Pacific Highway South at the sites' northeast corner and lead to a porte cochere over the main building entrance along the north side of the building. Site stormwater will discharge to a detention pipe located under the south parking lot. The site layout is shown on the Site Plan, Figure 2. No topographic site plan was available at the time of our study. However, based on our observations at the time of our site visit, we expect cuts and fills up to 10 feet to achieve finish grades. Although specific design details are not available, we expect the structure will consist of typical spread footing foundations with slab -on -grade floors. Foundation loads should be in the range of 4 to 6 kips per foot for bearing walls and up 100 kips for isolated columns. SCOPE The purpose of our services is to evaluate the surface and subsurface conditions at the site as a basis for developing and providing geotechnical recommendations and design criteria for the proposed site development. Specifically, the scope of services for this project included the following: 1. Conducting a geologic reconnaissance of the site area. 2. Exploring the subsurface conditions at the site by monitoring the excavation of four track -hoe excavated test pits at selected locations across the site. Dale Sweeney January 28, 2008 Page 2 3. Addressing the appropriate geotechnical regulatory requirements for the proposed site development, including seismic hazards and liquefaction potential. 4. Providing geotechnical recommendations for site grading including site preparation, subgrade preparation, fill placement criteria, suitability of on -site soils for use as structural fill, temporary and permanent cut and fill slopes, and drainage and erosion control measures. 5. Providing recommendations and design criteria for foundation and floor slab support, including allowable bearing capacity, lateral soil pressures and estimates of settlement. 6. Providing recommendations for discharge of the site stormwater. 7. Providing recommendations and design criteria for parking lot pavements. 8. Providing recommendations for site drainage. SITE CONDITIONS Surface The approximate 2.5-acre project site is located at 34839 Pacific Highway South in the city of Federal Way, Washington. The project site is bordered with undeveloped property to the south and west, a hotel to the north, and Pacific Highway South to the east. The site is currently developed with a small one-story commercial building in the northeast corner, a small one-story metal building in the approximate center of the site, and a few outbuildings at various locations along the east end of the site. Surface grades at the site slope down to the west at surface inclinations ranging from 5 to 15 percent. Towards the western end of the site, surface grades increase to approximately 20 to 35 percent down to a wetland area along the western property line. The slope down to the wetland along the sites' western property line is approximately 20 feet tall. The majority of the site is covered with either grass or gravel. The west end of the site is vegetated with various medium-sized coniferous and deciduous trees with moderately thick underbrush. No areas of erosion were apparent on the site slopes; no standing water was observed on the site at the time of our site work. Soils The United States Department of Agriculture (USDA) Natural Resource Conservation Service (NRCS), formerly known as the Soil Conservation Service (SCS), for King County has mapped the site soils as consisting of Everett-Alderwood gravely sandy loam (EwC) soils that form on 6 to 15 percent slopes. According to the MRCS, the Everett-Alderwood soils at the site have a "moderate" potential for erosion when exposed. We observed no active erosion in the site area during our reconnaissance. Based on our observations, the site soils will have a low susceptibility to erosion, particularly where vegetation is established. An excerpt from the NRCS map is provided in Figure 3. Geology According to the Geologic map of the Poverty Bay 75 Minute Quadrangle, Washington, by Derek B. Booth, Howard H. Waldron, and Kathy G. Troost (2003), the site is underlain by Recessional outwash (Qvr). This soil unit is described as well stratified sand and gravel deposited by streams and rivers issuing from the front of the receding ice sheet. It is generally lightly oxidized and commonly very compact. In our opinion, based on the Dale Sweeney January 28, 2008 Page 3 soils observed in our test pits, the site soils would be better classified as glacial Till (Qvt). This soil unit is described as a compact mixture of sand, gravel, silt and clay. An excerpt from the USGS map is provided in Figure 4: Subsurface Explorations On November 2, 2007, a representative from our office was on site to explore subsurface conditions at the site by observing the excavation of 4 trackhoe test pits to a maximum depth of 10 feet below existing surface grades. The approximate test pit locations are shown on the Site Plan, Figure 2 Our representative continuously monitored the excavations, maintained logs of the subsurface conditions encountered in each test pit, obtained representative soil samples, and observed pertinent site features. The specific number, location, and depth of the explorations were selected by GeoResources personnel in the field. The soils encountered were visually classified in accordance with the Unified Soil Classification System (USCS) provided in Figure 5. The explorations performed as part of this evaluation indicate subsurface conditions at specific locations only and actual subsurface conditions can vary across the site. Furthermore, the nature and extent of any such variation would not become evident until additional explorations are performed or until construction activities have begun. The test pit logs are provided in Figure 5. Representative soil samples obtained from the test pits were placed in sealed containers and taken to a laboratory for possible further examination and testing. Subsurface Conditions The subsurface conditions encountered in the test pits were fairly uniform. The soils we observed in the test pits generally consist of 6 inches of topsoil overlying old fill and silty sand with gravel consistent with glacial till. In Test Pits TP-1, TP-3 and TPA we encountered loose to medium dense, moist fill consisting of silty sand with gravel and occasional topsoil and construction debris to depths ranging from 1 to 7 1/2 feet below surface grades_ The fill was thicker towards the west end of the site. Underlying the fill in Test Pits TP-1, TP-3 and TP-4, and in Test Pit TP-2, we encountered medium dense to dense, moist silty sand with gravel consistent with glacial till. We did not encounter groundwater seepage in any of the test pits excavated at the site. To the depths explored, we did not encounter mottled soils or other evidence suggesting a seasonal groundwater table develops at the site. However, based on the mapped stratigraphy of the area and the existence of fill over dense glacial till, we do anticipate a seasonal [perched groundwater table will develop under the site during the wet winter months (October through bray). This water table will fluctuate seasonally due to precipitation, and future development both on and near the site. GEOLOGIC HAZARDS Erosion Section 18-28 in the City of Federal Way municipal code defines erosion hazard areas as those areas having a severe" or "very severe" erosion hazard due to natural agents such as wind, rain, splash, frost action or stream flow. The USDA NRCS has mapped the site soils as Everett-Alderwood soils having a "moderate" potential for erosion due to rainfall when exposed. Regardless of the erosion classification of the site, erosion and sediment control measures as required by the city of Federal Way will need to be in place prior to and during construction activity at the site. Dale Sweeney January 28, 2008 Page 4 Landslide Section 18-28 in the City of Federal Way municipal code defines landslide hazard areas as those areas potentially subject to episodic downslope movement of a mass of soil or rock including but not Himited to the followiing areas_ a. Any area with a combination of. - I. Slopes greater than 15 percent; 2. Permeable sediment overlying a relatively impermeable sediment or bedrock; 3. Springs or groundwater seeps. b. Any area which has shown movement during the Holocene epoch, from 10,000 years ago to the present, or which is underlain by mass wastage debris of that epoch. c. Areas potentially unstable as a result of rapid stream incision, stream bank erosion, and undercutting by wave action. d. Areas located in a canyon or on an active alluvial fan, presently or potentially subject to inundation by debris flows or catastrophic flooding. e. Areas that have a "severe" limitation for building site development because of slope conditions, according to the USDA SCS. f. Those areas mapped as Class U (Unstable), Uos (Unstable old slides), and Urs (unstable recent slides) by the Department of Ecology. g. Slopes having a gradient steeper than 80 percent subject to rock fall during seismic shaking. No evidence of landslide activity, or significant erosion was observed at the site at the time of our site visit. We did observe slopes steeper than 15 percent but with no permeable sediment overlying relatively impermeable sediment or bedrock was observed, and no seepage. No planes of weakness or rockfall hazards were observed at the site. No other landslide hazard criteria were observed at the.site or the immediate adjacent areas. Based on the above, it does not appear that the site has an active landslide hazard on or within 25 feet of the property. Steep Slope Section 18-28 in the City of Federal Way municipal code defines steep slope hazard areas as those areas with a slope of 40 percent or greater and with a vertical relief of 10 or more feet. Based on the topographic map provided to us and our observations during our site reconnaissance, the site does not have areas sloping greater than 40 percent with a vertical height of at least 10 feet, therefore the site is not classified as having steep slope hazard areas. Seismic The state of Washington has recently adopted the 2003 International Building Code (113C). Based on the soil conditions encountered and the local geology, per Chapter 16 of the 2003 (IBC) site class "CT should be used in structural design. This correlates to Soil Profile Type Sc in the 1997 Uniform Building Code (UBC). This is based on the inferred range of SPT (Standard Penetration Test) blow counts relative to trackhoe excavation progress and probing with a %-inch diameter steel probe rod. The presence of glacially consolidated soil conditions were assumed to be representative for the site conditions beyond the depths explored. Liquefaction is a phenomenon where there is a reduction or complete loss of soil strength due to an increase in water pressure. The increase in pore water pressure is induced by vibrations. Liquefaction mainly affects geologically recent deposits of loose, fine-grained sands that are below the groundwater table. Based on the medium dense Dale Sweeney January 28, 2008 Page 5 to dense and well -graded nature of the soils observed on the site, and the lack of an established water table to the depths explored, it is our opinion that there is no risk for liquefaction to occur at this site during an earthquake. CONCLUSIONS AND RECOMMENDATIONS General Based on our study, it is our opinion soil and groundwater conditions are suitable for the proposed commercial development. The multi -story structure can be supported on conventional spread footings bearing on competent native soils or on structural fill placed above these native soils. Floor slabs and pavements can be similarly supported. The upper 1 to 71/2 feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4- contain significant amounts of organics and trash debris and will not be suitable for support of structural elements, or for use as structural fill. Prior to construction, these unsuitable old fill soils should be removed from under new foundation and slab -on -grade areas and from under utility lines and structures. Grade should be restored with new structural fill. Parking lot pavements can be constructed on the native soils or the existing fill if the pavement section includes a drainage layer, and the exposed pavement subgrade can be compacted to a firm and non -yielding condition. Detailed recommendations regarding these issues and other geotechnical design considerations are provided in the following sections of this report. These recommendations should be incorporated into the final design drawings and construction specifications. Erosion and Sedimentation Control The City of Federal Way Municipal code defines erosion hazard areas as those areas having a severe or very severe erosion hazard due to natural agents such as wind, rain, splash, frost action or stream flow. As previously discussed, the USDA NRCS has mapped the site soils as Everett-Alderwood soils having a "moderate" potential for erosion due to rainfall when exposed. We observed no active erosion on the site or on the slopes adjacent the site area during our reconnaissance. In our opinion, the potential for erosion is not a limiting factor in site development. Erosion hazards can be mitigated by applying Best Management Practices (BMPs) outlined in the Washington State Department of Ecology's (Ecology) Stormwater Management Manual for the Puget Sound Basin. Erosion protection measures, as required by the City of Federal Way, will need to be in place prior to starting grading activity on the site. If the required erosion and sediment control BMPs are properly implemented and maintained, it is our opinion that the planned development will not increase the potential for erosion at the site or on adjacent properties. Similarly, it is our opinion that the planned development will not increase the potential for site instability resulting from erosion or added sediment transport to the watercourse along the west end of the property. Site Preparation and Grading To prepare the site for construction, all vegetation, organic surface soils, and other deleterious materials including any existing structures, foundations or abandoned utility lines should be stripped and removed from the site. Organic topsoil and the old fill containing organic and trash debris will not be suitable for use as structural fill, but may be used for limited depths in non-structural areas. Prior to construction, the existing fill containing topsoil and trash debris should be removed from under new foundation and Dale Sweeney January 28, 2008 Page 6 slab -on -grade areas and from under the site utility lines and utility structures. Stripping depths ranging from 1 to 7'/2 feet should be expected to remove these unsuitable soils. Once clearing and stripping operations are complete, cut and fill operations can be initiated to establish desired grades. Prior to placing fill, all exposed surfaces should be proofrolled or probed to determine if any isolated soft and yielding areas are present. Proofrolling should also be performed in cut areas that will provide direct support for new construction. We recommend that a member of our staff evaluate the exposed subgrade conditions after removal of vegetation and topsoil stripping is completed and prior to placement of structural fill. If excessively yielding areas are Qbserved and cannot be stabilized in place by compaction, the affected soils should be excavated and removed to firm bearing soil and grade restored with new structural fill. The depth and extent of overexcavation should be evaluated by our field representative at the time of construction. Suitability of On -Site Materials as Fill Our study indicates the native soils are currently in a moist condition and contain a relatively high percentage of fines (silt and clay -size particles), which will make them difficult to use as structural fill in wet weather conditions. The existing fill soils contain varying amounts of organic and construction debris, which will make them unsuitable for use as structural fill. Accordingly, the ability to use the native and fill soils from site excavations as structural fill will depend on their moisture content, organic and construction debris content, and the prevailing weather conditions when site grading activities take place. If structural fill will be imported to the site and grading activities are planned during the wet winter months, or if they are initiated during the summer and extend into fall and winter, the owner should be prepared to import a wet weather structural fill. For this purpose, we recommend importing a wet weather structural fill as described in the "Structural Fill" Section of this report. Structural Fill All fill placed to establish finish grades and utility trench backfill should be placed as structural fill. The appropriate lift thickness will depend on the fill characteristics and compaction equipment used. We recommend that the appropriate lift thickness be evaluated by our field representative during construction. For planning purposes, we recommend a maximum loose -lift thickness of 12 inches. We recommend that our representative be present during site grading activities to observe the work and perform field density tests. Fill should be compacted to at least 95 percent of the soils laboratory maximum dry density (MDD) as determined in accordance with ASTM•D-1557 (Modified Proctor). The moisture content of the soil at the time of compaction should be within two percent of its optimum, as determined by this same ASTM standard. The suitability of material for use as structural fill will depend on the gradation and moisture content of the soil. As the amount of fines (material passing the No. 200 sieve) increases, soil becomes increasingly sensitive to small changes in moisture content and compaction becomes more difficult to achieve. During wet weather, we recommend using a well -graded sand and gravel with less than 5 percent (by weight) passing the No. 200 sieve based on that fraction passing the 3/4-inch sieve. If prolonged dry weather prevails during the earthwork and foundation installation phase of construction, a slightly higher (up to 10 to 12 percent) fines content will be acceptable_ Dale Sweeney January 28, 2008 Page 7 Material placed for structural fill should be free of debris, organic matter, trash and cobbles greater than 6 inches in diameter. The moisture content of the fill material should be adjusted as necessary for proper compaction. Building Setback Based on the soils encountered in the test pits, the mapped stratigraphy of the site, our site observations and our conclusion regarding site stability, it is our opinion that the site slopes do not constitute a landslide or steep slope hazard and therefore no geologic hazard area buffer is necessary. However, the City of Federal Way building department may require a building setback in accordance with IBC standard requirements. The IBC does require a building setback from slopes that are greater than 30 percent. According to the IBC, when the geotechnical report demonstrates that a reduced or eliminated setback, together with design and engineering solutions, will meet the intent of the chapter, such reduced or eliminated setback and design and engineering solutions may be permitted. Vegetation in the setback area may be enhanced, if approved/required by the City of Federal Way. Clearing, grading and filling within the setback area is allowed if it can be demonstrated that the existing vegetation will not be adversely impacted or that it can be mitigated (enhanced). In our opinion, the foundations for the structure should be provided with at least a 15-foot setback from the site slopes with surface inclinations that exceed 30 percent in accordance with the 2003 International Building Code (IBC). Where necessary, the building setback for the house foundations may be measured horizontally from the lower outside edge of the footing to the face of the steep slope, in accordance with UBC/IBC. Where this `Setback Modification' is utilized, the foundation elements should be extended vertically to meet the recommended setback criteria. This modification is based on the foundation elements extending to and being founded in the medium dense to dense native soils. Maintaining the prescribed setback in this manner provides the conventional foundation bearing prism beneath the footing. Weathering, erosion and the resulting surficial sloughing and shallow land sliding are natural processes that affect steep slope areas. As noted, no evidence of surficial raveling or sloughing was observed at the site. To manage and reduce the potential for these natural processes, we recommend the following: No drainage of concentrated surface water or significant sheet flow onto or near the steep slope areas. Drainage from the roof area should be tightlined to flatter, lowland area beyond the toe of the steep slope. No fill should be placed within the setback area. Grading should be limited to providing surface grades that promote surface flows away from the slope crest to an approved point of collection for dispersal beyond the toe of the slope. No percolation of surface water within 20 feet of Building Setback or top of the steep slope. Excavations All excavations at the site associated with confined spaces, such as utility trenches and retaining walls, must be completed in accordance with local, state, or federal requirements. Based on current Washington State Safety and Health Administration (WSHA) regulations, the upper loose to medium dense fill and silty sand with gravel observed on the site would be classified as Type C soils. The deeper, dense silty sand with gravel at the site would be classified as Type A soils. Dale Sweeney January 28, 2008 Page 8 According to WSHA, for temporary excavations of less than 20 feet in depth, the side slopes in Type C soils should be laid back at a slope inclination of 1.5:1 (Horizontal:Vertical) or flatter from the toe to the crest of the slope. Side slopes in Type A soils can be laid back at a slope inclination of 0.75:1. All exposed slope faces should be covered with a durable reinforced plastic membrane during construction to prevent slope raveling and rutting during periods of precipitation. These guidelines assume that all surface loads are kept at a minimum distance of at least one half the depth of the cut away from the top of the slope and that significant seepage is not present on the slope face. Flatter cut slopes will be necessary where significant raveling or seepage occurs, or if construction materials will be stockpiled along the slope crest. If these safe temporary slope inclinations cannot be achieved due to property line constraints, shoring may be necessary. This information is provided solely for the benefit of the owner and other design consultants, and should not be construed to imply that GeoResources assumes responsibility for job site safety. It is understood that job site safety is the sole responsibility of the project contractor. Foundations The structure can be supported on conventional spread footing foundations bearing on competent native soils or on new structural fills placed above these native soils. Foundation subgrades should be prepared as recommended in the "Site Preparation" section of this report. As previously discussed, the upper 1 to 7 1/2feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and construction debris and will not be suitable for support of foundation elments. Prior to construction, these unsuitable old fill soils should be removed from under new foundation areas and replaced with new structural fill. Alternatively, the foundations can be deepened to extend through the old fill to bear on the underlying undisturbed native soils observed at 1 to 7 1/2feet below surface grades. Perimeter foundations exposed to the weather should bear at a minimum depth of 18 inches below final exterior grades for frost protection. Interior foundations can be constructed at any convenient depth below the floor slab. With footings founded as recommended, we recommend they be designed for an allowable soil bearing capacity of 2,500 pounds per square foot (psf) for combined dead and long-term live loads. The weight of the footing and any overlying backfill should be neglected. The allowable bearing value may be increased by one-third for short-term loads such as those induced by seismic events or wind loads. With the anticipated loads and this bearing stress applied, building settlements should be less than one-half inch total and one -quarter inch differential. All footing areas should be evaluated by a representative of GeoResources prior to placement of forms. For designing foundations to resist lateral loads, a base friction coefficient of 0.40 can be used. Passive earth pressures acting on the sides of the footings can also be considered. We recommend calculating this lateral resistance using an equivalent fluid weight of 325 pounds per cubic foot (pcf)_ We recommend not including the upper 12 inches of soil in this computation because it can be affected by weather or disturbed by future grading activity. This value assumes the foundations will be constructed neat against competent native soil or backfilled with structural fill, as described in the "Structural Fill" section of this report. The values recommended include a safety factor of 1.5. Dale Sweeney January 28, 2008 Page 9 Site Retaining Walls The magnitude of earth pressure development on below -grade walls, such as basement or retaining walls, will partly depend on the quality of the wall backfill. We recommend placing and compacting wall backfill as structural fill. Wall backfill below structurally loaded areas, such as pavements or floor slabs, should be compacted according to the specifications provided in the "Structural Fill" section of this report. To guard against hydrostatic pressure development, drainage must be installed behind the wall. We recommend that wall drainage consist of a minimum 12 inches of clean sand and/or gravel with less than 3 percent fines placed against the back of the wall. In addition, a drainage collector system consisting of 4-inch perforated PVC pipe should be installed behind the wail to provide an outlet for any accumulated water. The drains should be provided with cleanouts at easily accessible locations. These cleanouts should be serviced at least once every year. The wall drainage material should be capped at the ground surface with 1-foot of relatively impermeable soil to prevent surface intrusion into the drainage zone. With wall backfill placed and compacted as recommended and drainage properly installed, unrestrained walls can be designed for an active earth pressure equivalent to a fluid weighing 35 pcf. For restrained walls, we do not recommend using at rest earth pressures. For walls that will be restrained at the top, an additional uniform lateral pressure of 100 psf should be included. These values assume a horizontal backfill condition and that no other surcharge loading, such as traffic, sloping embankments, or adjacent buildings, will act on the wall. It such conditions exist, then the imposed surcharge loading must be included in the wall design. Friction at the base of the wall foundation and passive earth pressure will provide resistance to these lateral loads. Values for these parameters are provided in the "Foundations" section of this report. Slab -On -Grade Floors Slab -on -grade floors should be supported on subgrades prepared as recommended in the "Site Preparation" section of this report. As previously discussed, the upper 1 to 7'/2 feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and construction debris and will not be suitable for support of slab - on -grade floors. Prior to construction, these unsuitable old fill soils should be removed from under new slab -on -grade areas and replaced with new structural fill. Immediately below the floor slab, we recommend placing a four -inch thick capillary break layer of clean, free -draining, coarse sand or fine gravel that has less than three percent passing the No. 200 sieve. This material will reduce the potential for upward capillary movement of water through the underlying soil and subsequent wetting of the floor slabs. The drainage material should be placed in one lift and compacted to a firm and unyielding condition. The capillary break layer will not prevent moisture intrusion through the slab caused by water vapor transmission. Where moisture by vapor transmission is undesirable, such as covered floor areas, a common practice is to place a durable plastic membrane on the capillary break layer and then cover the membrane with a layer of clean sand or fine gravel to protect it from damage during construction, and aid in uniform curing of the concrete slab. It should be noted that if the sand or gravel layer overlying the membrane is saturated prior to pouring the slab, it will not assist in uniform curing of the slab, and may serve as a water supply for moisture transmission through the slab and affecting floor coverings. Therefore, in our opinion, covering the membrane with a layer of sand or gravel should be avoided if floor slab construction occurs during the wet winter months and the layer cannot be effectively drained. Dale Sweeney January 28, 2008 Page 10 Parking Lot Pavement Parking lot pavement at the project site should be constructed on subgrades prepared as recommended in the "Site Preparation" section of this report. As previously discussed, the upper 1 to 7'/2 feet of old fill soils observed in Test Pits TP-1, TP-3 and TP-4 contain significant amounts of organics and trash debris. Prior to paving, these existing fill soils should be mechanically compacted to a firm and non -yield condition. Additionally, the pavement section should be provided with a drainage layer between the asphalt and the underlying compacted subgrade soils. The thickness of the various components of the pavement depends on the subgrade soils and the traffic conditions to which the pavement will be subjected. We expect traffic to mainly consist of light passenger vehicles, with only occasional heavy service vehicles. Based on this information, and with a properly prepared and stable subgrade composed of on -site native granular soils, or compacted old fill soils, we recommend the following pavement section: Options Pavement (Element Thickness (inches) Option 1 Asphalt Concrete (AC) 3 Crushed Rock Base (CRB) 4 Option 2 Asphalt Concrete (AC) 2 Asphalt Treated Base (ATB) 3 Crushed Rock Base (CRB) 4 All paving materials should conform to the Washington State Department of Transportation (WSDOT) specifications for Class B asphalt concrete and CRB surfacing. Long-term pavement performance will depend on surface drainage. A poorly -drained pavement section will be subject to premature failure as a result of surface water infiltrating into the subgrade soils and reducing their supporting capability. To improve performance, we recommend surface drainage gradients of at least two percent. Some longitudinal and transverse cracking of the pavement surface should be expected over time. Regular maintenance should be planned to seal cracks when they occur Regardless of the relative compaction achieved, the subgrade must be firm and unyielding before paving. Proofrolling the subgrade with heavy construction equipment should be completed to verify this condition. We recommend compacting fill placed for pavement subgrades according to the recommendations provided in the "Structural Fill" section of this report. Stormwater Detention Pipe The site stormwater will discharge to a detention pipe located under the south parking lot. We understand the detention pipe will entail storage and a stormfilter for cleaning prior to discharge to the wetland located along the west end of the site. The detention pipe should be supported on a subgrade prepared as recommended in the "Site Preparation" section of this report. Accordingly, if the existing old fill containing organics Dale Sweeney January 28, 2008 Page 11 1 and construction debris is evident along the pipe subgrade, it should be removed and replaced with new structural fill. We examined the existing soils underlying the site to determine if infiltration of the development stormwater was feasible. Due to the medium dense to dense, well - graded, and cemented nature of the native glacial till soils that underlie the site, it is our opinion that infiltration of the site stormwater is not feasible. It is also our opinion that the planned stormwater detention system will not increase the stability of the site slopes. Utilities We expect that underground utilities, such as sanitary sewer, storm, and water will consist of a series of pipes, vaults, manholes, and catch basins. The utility excavations should be performed in accordance with appropriate governmental guidelines. Utility pipes should be bedded and backfilled in accordance with American Public Works Association (APWA) specifications. The existing fill at the site containing organics and trash debris will not be suitable for support of the utility lines and structures. Prior to construction, these unsuitable old fill soils should be removed from under the utility lines and structures. We anticipate that the on -site, non -organic soils will be suitable for use as structural backfill. If import soil is used as utility trench backfill, it should consist of a material meeting the wet weather fill recommendations provided in the "Structural Pill" section of this report. Controlled -density fill (CDF) is most often suitable for use as backfill in any weather condition and could be used as a convenient, but more expensive, alternative to granular backfill soil. We recommend that utility backfill soils be compacted according to the recommendations provided in the "Structural Fill" section of this report. CDF backfill does not require compaction but should have a compressive strength commensurate with the application. Drainage All ground surfaces, pavements, and sidewalks should be sloped away from the structure. Surface water runoff should be controlled using a system of berms, drainage swales, and/or catchbasins, and conveyed to an approved point of controlled discharge. We recommend conventional roof and foundation drains be installed for all structures. The footing drains should be tightlined independent of the roof drains unless an adequate gradient will prevent backflow into the footing drains Surface water shall not be allowed to flow uncontrolled over the crest of the site slopes and embankments. Surface water should be directed away from the slope crests to a point of collection and controlled discharge. If constructed according to code, a dispersion trench would be considered a controlled discharge mechanism. If site grades do not allow for directing surface water away from the slopes, then the collected water should be tightlined down the slope face in a controlled manner. LIMITATIONS We have prepared this supplemental report for use by Dale Sweeney and members of their design team for use in the design and permitting portions of this project. This report and the data used in preparing this report should be provided to prospective contractors for bidding or estimating purposes only. Our report, conclusions and interpretations are based on data from others and limited site reconnaissance, and should not be construed as a warranty of the subsurface conditions. Dale Sweeney January 28, 2008 Page 12 Variations in subsurface conditions are possible between the explorations and may also occur with time. A contingency for unanticipated conditions should be included in the budget and schedule. Sufficient monitoring, testing and consultation should be provided by our firm during construction to confirm that the conditions encountered are consistent with those indicated by the explorations, to provide recommendations for design changes should the conditions revealed during the work differ from those antici- pated, and to evaluate whether earthwork and foundation installation activities comply with contract plans and specifications. When the project design is finalized, we recommend the design and specifications be reviewed by our firm to see that our recommendations have been interpreted and implemented as intended. If there are any changes in the loads, grades, locations, configurations or type of facilities to be constructed, the conclusions and recommendations presented in this report may not be fully applicable. If such changes are made, we should be given the opportunity to review our recommendations and provide written modifications or verifications, as appropriate. The scope of our services does not include services related to environmental remediation and construction safety precautions. Our recommendations are not intended to direct the contractor's methods, techniques, sequences or procedures, except as specifically described in our report for consideration in design. Within the limitations of scope, schedule and budget, our services have been executed in accordance with generally accepted practices in this area at the time this report was prepared. No other conditions, expressed or implied, should be understood. We appreciate the opportunity to be of continued service to you on this project. Please do not hesitate to call with any additional comments or questions. Bernard P. Knoll II, PE Senior Engineer BPK:BPB:bpk Document ID: Sweeney, D. PacificHighwayS. G R Attachments: Figure 1 — Site Vicinity Map Figure 2 — Site Plan Figure 3 — USDA NRCS Soils Map Figure 4 — USGS Map Figure 5 — Unified Soil Classification System (USCS) Figure 6 — Test Pit Logs Gf�AI��FY @GGG-ERSTAFF Brad P. Biggerstaff, LEG Principal a aim St ... _ $33AtliSk f % + t'• �,� { � � ,. � flat ij _ I i/ fir +9lfs9!is3: 4 Usah st;.'_� 1 J•.'''r �. 3 Y �.. lS3iA�51�� fG— - t st .$'fig ��' r , i—§;YmmSr..-. s3NtfiSi7__ 1 sasr w � � �i w I � �" � !1 �/j`�. r..:ln::. •o- � � �`.i yq� stz. ''ti � �j — � � 5 s{•�... � �,n'ic_ i � � 1 JJ � ." � � [ lllm .,�.;�r aE I.SI kh$l 1�t fsw i I;, — ,%' i?rSeespnps' 4 Crn:i '46 g 1 es rpm Approximate Site Location GeoResources, LLC I Site Vicinity Map 5007 Pacific Highway East, Suite 20 34839 Pacific Highway South Fife, Washington 98424 Federal Way, Washington Phone: 253-896-1011 Fax: 253-896-2633 Job #: Sweeney,D.PacificHwyS January 2008 Figure 1 J GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 Location a i.ing Oounty Area, '.VasWngten (%1JA6a 3) Map Unit Symbol. Map Unit Name Acres in Percent of AOI AOI EwC � r _ , :, 2.4 100.0% Totals for Area of Interest 2.4 100.00/0 (AOI) USDA hl RCS Map 34839 Pacific Highway South Federal Way, Washington Jab #: Sweeney,D.Pacificl'iwyS January 2008 J Figure 3 f Qvt � i r _ Y I A $MCW 1 ` � y t i lip— Q ' .. VV y I , Uvr ' I QVt k-.. Approxgmate Site Location GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 USGS Map 34339 Pacific Highway South Federal Way, Washington Job #: Sweeney,D.PacificHwyS 1 Janauary 2008 I Figure 4 UNIFIED SOIL CLASSIFICATION SYSTEM MAJOR DIVISIONS GROUPSYMBOL GROUP NAME GRAVEL CLEAN GW WELL -GRADED GRAVEL, FINE TO COARSE GRAVEL GRAVEL COARSE GP POORLY -GRADED GRAVEL GRAINED More than 50% SOILS Of Coarse Fraction GRAVEL GM SILTY GRAVEL Retained on WITH FINES No. 4 Sieve GC CLAYEY GRAVEL SAND CLEAN SAND SW WELL -GRADED SAND, FINE TO COARSE SAND More than 50% Retained on No. 200 Sieve SP POORLY -GRADED SAND More than 50% Of Coarse Fraction SAND SM SILTY SAND Passes WITH FINES No. 4 Sieve SC CLAYEY SAND SILT AND CLAY INORGANIC ML SILT CL CLAY FINE GRAINED SOILS Liquid Limit Less than 50 ORGANIC OL ORGANIC SILT, ORGANIC CLAY SILT AND CLAY INORGANIC MH SILT OF HIGH PLASTICITY, ELASTIC SILT More than 50% Passes CH CLAY OF HIGH PLASTICITY, FAT CLAY No. 200 Sieve Liquid Limit 50 or more ORGANIC OH ORGANIC CLAY, ORGANIC SILT HIGHLY ORGANIC SOILS PT PEAT NOTES: t. Field classification is based on visual examination of soil in general accordance with ASTM D2488-90. 2. Soil classification using laboratory tests is based on ASTM D2487-90. 3. Description of soil density or consistency are based on interpretation of blow count data, visual appearance of soils, and or test data. GeoResources, LL.0 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 SOIL MOISTURE MODIFIERS: Dry- Absence of moisture, dry to the touch Moist- Damp, but no visible water Wet- Visible free water or saturated, usually soil is obtained from below water table Unified Soil Classification System (USCS) 34339 Pacific Highway South Federal Way, Washington Job #: Sweeney.D.PacificHwyS January 2000 I Figure 5 Test Pit TP-1 Location: See Site Plan Depth ft. Soil Type Descri tion (3 inches grass roots and TOPSOIL) 0.0 - 4.0 - FILL: Gray and brown silty sand with gravel and cobbles, loose to medium dense, moist. (Fill was organic -laced from 3 to 4 feet.) 4.0 - 6.5 SM Brownish -orange silty SAND with gravel, slightly cemented, medium dense, moist. (Weathered Glacial Till) 6.5 - 8.0 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 8 feet below the ground surface. No caving observed. No groundwater observed. Test Pit TP-2 Location: See Site Plan Depth (ft. Soil Type Descrintion (2 inches grass roots and TOPSOIL) 0.0 - 3.5 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 3 1/2 feet below the ground surface. No caving observed. No groundwater observed. Test Pit TP-3 Location: See Site Plan Depth ft. Soil Type Descri tion (4 inches grass roots and TOPSOIL) 0.0 - 7.5 - FILL: Gray and brown silty sand with gravel and cobbles, loose to medium dense, moist to wet. (Fill was organic -laced with construction debris and a strong organic odor from 5 to 7 1/2 feet.) 7.5 - 9.0 SM Brownish -orange silty SAND with gravel, slightly cemented, medium dense, moist. (Weathered Glacial Till) 9.0 - 10.0 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 10 feet below the ground surface. No caving observed. No groundwater observed. Test Pit TP-4 Location: See Site Plan Depth (ft_) Soil Tv e Description (2 inches grass roots and TOPSOIL) 0.0 - 1.0 FILL: Brown silty sand with gravel loose to medium dense, moist. 1.0 - 4.0 SM Brownish -orange silty SAND with gravel, slightly cemented, medium dense, moist. (Weathered Glacial Till) 4.0 - 6.0 SM Gray silty SAND with gravel, moderately cemented, dense. (Glacial Till) Terminated at 6 feet below the ground surface. No caving observed. No groundwater observed. GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Phone: 253-896-1011 Fax: 253-896-2633 Test Pit Logs 34339 Pacific Highway South Federal Way, Washington Job # : Sweeney,D.PacificHwyS I January 2008 1 Figure 6 K-j 11'o .� Site plan provided by TNT Englneedng. APPROXIMATE TEST PIT LOCATION APPROXIMATE LOCATION! OF SLOPES > 40% APPROXIMATE LOCATION OF SLOPES > 15 - 39% IXISfIRG 4NE =FW BU �, car o :isi}k r <k— TOME R MOVE T� 1�-I ! � -1 �-�� v �_ .• .ITT-• �- S APPROXIMATE SCALE 1" = 30' GeoResources, LLC 5007 Pacific Highway East, Suite 20 Fife, Washington 98424 Ph: 253-89 6-1011 Fax:253-896-2633 Site Plan 34839 Pacific Highway South Federal Way, Washington Job #: Sweeney,D.PaclflcHWVS 7 January 2008 2 APPENDIX F Wetland and Stream Assessment WETLAND & STREAM ASSESSMENT Holiday Inn Express Federal Way, Washington January 17, 2008 IaAEDEKE ASSOCIATES, INC. Report To: Mr. Dale Sweeney Sweeney Designs 5715 143`d PI SE Bellevue, WA 98006 Title: Wetland and Stream Assessment for the Holiday Inn Express site City of Federal Way, Washington Project Number: 2007-025-001 Prepared By: RAEDEKE ASSOCIATES, INC. 5711 Northeast 63rd Street Seattle, Washington 98115 (206) 525-8122 Date: Draft of January 17, 2008 Project Manager: Current Project Personnel: j Lisa Danielski, B.A., WPIT Wetland Biologist/Botanist Emmett Pritchard, B.S. Principal/Wetland Ecologist Richard W. Lundquist, M.S. Vice President/Wildlife Biologist Emily Podolak, M.L.A. Landscape Designer Duane Dietz, B.A., A.S.L.A. Landscape Architect Gail W. Livingstone, B.S.L.A. Natural Resource Planner & Editor TABLE OF CONTENTS Page LISTOF FIGURES ................. ..................... ............................... ........................................ v LISTOF TABLES...............................................................................................................V 1.0 INTRODUCTION..................................................................... ..._..........................I 1.1 Statement of Purpose.............................................................................................1 1.2 Study Area.........................................................................................................---.1 1.3 Project History ............ .................................................... --- ..............................1 2.0 METHODS.......-•..........................................................................................................2 2.1 Background Review..................................................................••...........................2 2.2 Field Sampling Procedures and Data Analysis......................................................2 3.0 EXISTING CONDITIONS............................................................•..............................3 3.1 Results of Background Investigation.....................................................................3 3.2 General Study Area Description............................................................................3 3.3 Stream Descriptions ........................ .... 3.4 Off -Site Wetland Description................................................................................4 3.5 Upland Descriptions.---------•...................................................................................4 4.0 Wetland Functional Assessment...................................................................................6 4.1 Surface Water Control................................. .......................................................... 6 4.2 Wildlife Habitat.....................................................................................................6 4.3 Pollution and Erosion Control ................................................. 4.4 Groundwater Exchange ................. .--...--.--.--.....................................................7 4.5 Open Space & Aesthetic Contrast.........................................................................7 4.6 Recreational, Educational, and Cultural Functions and Values ............................7 5.0 REGULATORY CONSIDERATIONS........................................................................8 5.1 Federal Clean Water Act (U.S. Army Corps of Engineers)...................................8 5.2 City of Federal Way .................................................................... ...........................8 6.0 IMPACTS...................................................................................................................11 6.1 Direct Impacts ..................... ....................... ......................................................... 11 6.2 Indirect Stream and Wetland Impacts..................................................................14 ft TABLE OF CONTENTS (continued) Page 7.0 MITIGATION....................................................... ...................................................... 18 7.1 Avoidance of Impacts .................................................... :..................................... 18 7.2 Minimization of Impacts..................... ......................... ....... .........._ .............18 8.0 LIMITATIONS..........................................................................................................20 9.0 LITERATURE CITED...............................................................................................21 FIGURESAND TABLES.................................................................................................25 APPENDIX A: Wright Federal Way Stream Delineation ............................................ A-1 APPENDIX B: Raedeke Associates, Inc. Wetland Assessment Reports for the Off -Site Wetland ................................. ................................................... B-1 iv Figure 1. 2 3. 4. 5. 6. 7a, b. 8. Figure 1 2 LIST OF FIGURES Page Vicinitymap...........................................................................................................26 Aerial photo of project site ..................................... :.............................................. 28 USFWSNWI map.................................................................................................28 USDASCS map.....................................................................................................29 WDNR forest practice activity map......................................................................30 City of Federal Way stream ratings map...............................................................31 Existingconditions................................................................................................33 Proposedsite plan ..................................................................................................34 LIST OF TABLES List of aerial photographs used in the study ................................. List WDNR stream types.............................................................. Page .............35 .............) a 1.0 INTRODUCTION 1.1 STATEMENT OF PURPOSE This report is for the Holiday Inn Express site in the City of Federal Way, Washington (Figure 1). The primary objectives of this report are to: (1) provide information on previously identified wetlands located on property adjoining the Holiday Inn Express site, (2) evaluate direct and indirect impacts of the proposed development to the on -site stream delineated under a previous study and off -site wetland, as well as their associated buffers, and (3) discuss mitigation measures to avoid, reduce, or compensate for those impacts. This report supplements the Stream Delineation letter prepared by Raedeke Associates, Inc. (Raedeke Associates, Inc. 2006; see Appendix A of this report) for the City of Federal Way SEPA review of the proposed project. 1.2 STUDY AREA The Holiday Inn Express project site consists of approximately 2.85 acres located in the southeast portion of Section 20, Township 21 North, Range 4 East W.M., in the City of Federal Way, Washington. Specifically, the site is located along the west side of Pacific Highway South and south of S 348`" Street. The parcel we investigated is identified as King County Tax parcel #2021049044. 1.3 PROJECT HISTORY The Holiday Inn Express site was initially investigated by Raedeke Associates, Inc. on May 31, 2006 to identify potential streams and wetlands on the site. During this investigation, Raedeke Associates, Inc. delineated the Ordinary High Water Mark (OHWM) of one stream in the west corner of the site, and found no wetlands on the project site (Raedeke Associates, Inc. 2006; Appendix A). The City of Federal Way requires that any wetlands on or within 200 feet of the subject property provide information as described in Section 22-1356 of the City of Federal Way (2005) Critical Areas code. One wetland previously investigated by Raedeke Associates, Inc. in 1997 and 1998 is located adjacent to the north property boundary of the project site (Please see Appendix B for the Raedeke Associates, Inc. [1988, 1992] reports regarding the off -site wetland). As part of the development on the adjoining property, a wetland and buffer enhancement plan was implemented in the mid- 1990's, and concluded in 1998 (Raedeke Associates, Inc. 1988, 1998). Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 2 2.0 METHODS 2.1 BACKGROUND REVIEW In preparation for our investigation, we reviewed Raedeke Associates, Inc. (2006) stream delineation for previously -compiled information regarding inventoried wetlands, soils, and streams. We reviewed the Washington Department of Fish and Wildlife (WDFW 2003) SalmonScape for additional information regarding the presence of fish species within the vicinity of the project area. We also reviewed Raedeke Associates, Inc.'s (1988, 1992) reports regarding the wetland on the adjoining property. 2.2 FIELD SAMPLING PROCEDURES AND DATA ANALYSIS 2.2.1 On -Site Wetland and Stream Investigation Methodologies used to investigate the Holiday Inn Express site are discussed in Raedeke Associates, Inc. (2006; see Appendix A of this report). 2.3.2 Off -Site Wetland Investigation On July 23, 2007, Raedeke Associates, Inc. investigated the previously delineated wetland in the adjoining parcel to the north (See Appendix B for Raedeke Associates, } Inc. [1988, 1992] reports regarding this wetland). The adjoining property owner would not grant Raedeke Associates, Inc. permission to access the site, therefore our investigation was limited to visually observing the off -site wetland from the north property boundary of the Holiday Inn Express site. J Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 ~f 3.0 EXISTING CONDITIONS 3.1 RESULTS OF BACKGROUND INVESTIGATION 3.1.1 Wetlands and Streams As described in the Raedeke Associates, Inc. (2006) Stream Delineation letter, no wetlands were identified on the property. The wetland on the adjoining parcel to the north is depicted on the USFWS NWI (1987, 2007) map (Figure 3) and City of Federal Way (2005) Stream Ratings map (Figure 6). The stream in the west portion of the site is depicted on the City of Federal Way (2005) Stream Ratings map; StreamNet (2006), SalmonScape (2003) and the WDFW (2004) PHS maps do not depict the presence of any salmonid species in the reach of stream located on the project site. Please refer Figures 3 through 6 of this report and Raedeke Associates, Inc. (2006; Appendix A) for a complete description of the results of our inventory review. 3.2 GENERAL STUDY AREA DESCRIPTION As described in Raedeke Associates, Inc. (2006), the Holiday Inn Express site is within the Hylebos Creek drainage basin of the Puyallup River Watershed (King County 2006). In 1986, King County (1986) issued a mitigated determination of non -significance to allow placement of fill on the Wright property, per King County Grading Permit 4C9000374. King County (1986) identified an unnamed tributary to Hylebos Creek, hereafter located on the site, hereafter called Stream 1, which is located in the west portion of the site (Figure 7a). Two steep ravines are located on either side of Stream 1, which are primarily vegetated with deciduous trees and shrubs. The property to the east of the steep ravine is primarily grassland that lies on a gentle west -facing slope. The west portion of the site is relatively flat. Vegetation in the remainder of a majority of the site consists of grassland, and while the ravine is vegetated with deciduous trees and shrubs. Surrounding land use includes commercial buildings adjacent along most of the north and west property boundaries, and Pacific Highway South along the east property boundary. Undeveloped coniferous forest borders the south property line. 3.3 STREAM DESCRIPTIONS Please refer to Raedeke Associates, Inc. (2006) for a complete description of the stream located on the Holiday Inn Express site. Figure 7a depicts the OHWM of the on -site stream, as flagged in 2006 by Raedeke Associates, Inc. and surveyed by professional surveyors at Sadler/Barnard & Associates, Inc. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 M 3.4 OFF -SITE WETLAND DESCRIPTION During our July 23, 2007 investigation of the off -site wetland, we observed "edge of wetland" survey stakes that generally corresponded to the wetland boundary depicted on a survey map provided to Sweeney Designs by the City of Federal Way (Figure 7b). The south wetland boundary appears to follow the toe of a steep slope. Based on visual observations of existing vegetation, topography, and evidence of inundation, the staked wetland edge appeared to accurately reflect the current wetland boundary. Raedeke Associates, Inc. (1988) indicated that the off -site wetland is 0.53 acres in size. According to Raedeke Associates, Inc., a majority of the off -site wetland visible from the Holiday Inn Express site consisted of black cottonwood (Populus balsamifera ssp. Trichocarpa, FAC) and red alder (Alnus rubra, trees along the edge of the wetland, as well as Pacific willow (Salix lucida ssp. Lasiandra, FACW+) trees, Sitka willows (Salix sitchensis, FACW), redosier dogwood (Cornus sericea, FACW), and twinberry honeysuckle (Lonicera involucrala, FAC+) towards the center of the wetland. At the time of our July 23, 2007 site visit, some standing water was visible in the center of the wetland; however, we could not confirm the inundation depth. Water from the off - site wetland discharges south into the stream on the Holiday Inn Express site via a 72- inch-wide metal culvert (Figure 7a). According to Raedeke Associates, Inc. (1988), soils within the wetland consist of silt loams, gravelly sand, and some organic soils. Raedeke Associates, Inc. (1988) designated a small area of the west -central portion of the wetland was "palustrine, open water — seasonally flooded." Raedeke Associates, Inc. (1992) subsequently revised the USFWS (Cowardin et al. 1992) classification of the wetland to a palustrine, scrub -shrub, broad-leaved deciduous (PSS1) wetland. Based on relatively recent aerial photos of the off -site wetland (King County 2007; Figure 2) and based on visual observations of the wetland on July 23, 2007, we did not observe any portion of the wetland that had less than 30% canopy cover by shrub, tree or emergent species rooted in the wetland. Thus, none of the wetland appears to meet the criteria to be called a palustrine, open water (POW) wetland per the USFWS (Cowardin et al. 1992) wetland classification system. Rather, the off -site wetland consists of at least 30% cover by deciduous tree species and thus would be classified as a palustrine, forested, broad- leaved deciduous (PFO1) wetland per the USFWS (Cowardin et al. 1992) classification system. This corresponds with the USFWS (2007) designation of the wetland as a palustrine, forested, seasonally flooded (PFOC) wetland on their NWI map (Figure 3). 3.5 UPLAND DESCRIPTIONS Please refer to Raedeke Associates, Inc. (2006; Appendix A) for a complete description of the uplands located on the Holiday Inn Express site. Upland vegetation immediately south of the wetland boundary mainly consists of Himalayan blackberry (Rubus Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 J armeniacus, FACU). Because we were not able to access the property to the north, we were unable to sample soils within the uplands adjoining the wetland. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 rol 4.0 WETLAND FUNCTIONAL ASSESSMENT Per Section 22-1357 of the City of Federal Way (2005) Critical Areas code, the City requires an evaluation and assessment of existing or potential functions and values of wetlands on or within 200 feet of the project site. Because Raedeke Associates, Inc. was not granted access to the adjoining property to the north of the Holiday Inn Express site, the following discussion is based upon the functional assessment provided in Section 5.2 of Raedeke Associates, Inc. (1992; see Appendix B of this report), as updated with available background information and visual observations from our July 23, 2007 site visit. Raedeke Associates, Inc.'s (1992) assessment of functions and values of the off - site wetland was based on surface water control, wildlife habitat, pollution and erosion control, groundwater exchange, open space and aesthetic contrast, and recreational, educational and cultural opportunities. 4.1 SURFACE WATER CONTROL Raedeke Associates, Inc. (1992) concluded that the off -site wetland contributes to flood control and water storage based on the presence of silt loam soils to store and release water, as well as the presence of dense vegetation to slow surface water flows. The basic configuration of the wetland appears to be relatively unchanged since 1987, indicating the wetland generally has maintained its capacity to store floodwaters. We observed dense scrub -shrub vegetation in the south portion of the wetland during our July 23, 2007 site visit, and thus the wetland continues to attenuate flood flows. 4.2 WILDLIFE HABITAT Raedeke Associates, Inc. (1992) indicated that the off -site wetland provided limited food, cover, and breeding opportunities for some small mammal, bird, reptile, and amphibian species. At the time of their investigation, the forested stratum of the wetland had not developed. Currently, a deciduous forest canopy covers most of the wetland, which has increased the structural complexity of the wetland and increased the input of woody debris and leaf litter. As in 1992, the wetland is protected by a relatively undisturbed 25- foot-wide buffer; however, the wetland is still isolated from other habitats due to the presence of surrounding development. Raedeke Associates, Inc. (1992) concluded that the wetland does not support a fish population due to the seasonal nature of the stream and lack of appropriate habitat. Current inventories of salmonid use in streams (WDFW 2002, 2003, WDNR 2007, StreamNet 2006) indicate that salmonid species are not present in the reach of stream on the Holiday Inn Express site. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 i 4.3 POLLUTION AND EROSION CONTROL The Raedeke Associates, Inc. (1992) report indicated the off -site wetland provided pollution and erosion control functions through the presence of an emergent vegetation community and open water. These communities have mainly developed into a scrub - shrub community. Assuming the general configuration of the wetland has not changed, it is still able to store water to allow sediments and pollutants to settle out of the water column. The presence of more thin -stemmed emergent or woody vegetation also means the wetland has at least the same, and likely more, capacity to trap sediments. If organic soils are still present in the off -site wetland, then the wetland also has the capacity to adsorb any heavy metal compounds that may enter the wetland. 4.4 GROUNDWATER EXCHANGE The potential of the off -site wetland to provide groundwater discharge and recharge is relatively low because of its small size and the topographic location of the wetland, which precludes groundwater discharge back into surrounding uplands (Raedeke Associates, Inc. 1992). Since the overall size and position of the wetland has not substantially changed, the wetland likely still provides minimal groundwater discharge and recharge. 4.5 OPEN SPACE & AESTHETIC CONTRAST The off -site wetland provides a small patch of open space that subsequently provides a distinct contrast to surrounding urbanized lands. Enhancement of the wetland and wetland buffer with native shrub and tree species has increased the structural complexity and plant species diversity in the wetland, thus increasing its overall aesthetic value. 4.6 RECREATIONAL, EDUCATIONAL, AND CULTURAL FUNCTIONS AND VALUES At the time Raedeke Associates, Inc. (1992) prepared the functional assessment for the off -site wetland, the wetland was located on private property and did not contain species of interest or special habitat features that would warrant recreational, cultural, educational or scientific value. The wetland is still located on private, difficult -to -access land, and thus is unlikely to have the above -mentioned values. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 ~� 5.0 REGULATORY CONSIDERATIONS Wetlands and streams are protected by Section 404 of the Federal Clean Water Act and other state and local policies and ordinances including the City of Federal Way (2007) Critical Areas Code. Regulatory considerations pertinent to wetlands identified within the study area are discussed below, but this discussion should not be considered comprehensive. Additional information may be obtained from agencies with jurisdictional responsibility for, or interest in, the site. A brief review of the U.S. Army Corps of Engineers regulations and City of Federal Way policy relative to wetlands and streams is presented below. 5.1 FEDERAL CLEAN WATER ACT (U.S. ARMY CORPS OF ENGINEERS) Federal law (Section 404 of the Clean Water Act) generally discourages the discharge of dredged or fill material into the nation's waters, including most wetlands, without a permit from the COE. The COE makes the final determination as to whether an area meets the definition of a wetland as defined by the federal government (Federal Register 1986:41251), and thus, if it is under their jurisdiction. We should caution that the placement of fill within wetlands or other Waters of the U.S. without authorization from the COE is not advised, as the COE makes the final determination as to whether any permits would be required for any proposed alteration. As the COE makes the final determination regarding permitting under their jurisdiction, we recommend requesting a jurisdictional determination from the COE prior to any construction activities, if any modification of wetlands is proposed. A jurisdictional determination would also provide evaluation and confirmation of our wetland delineation by the COE. 5.2 CITY OF FEDERAL WAY 5.2.1 Streams Ratings and Standard Buffers Currently the City of Federal Way (2007) regulates streams under Article I — "In General" (definitions) and Article XIV — "Critical Areas." Under these regulations, streams are rated as Major or Minor streams, with Major Streams being "any stream, and the tributaries to any stream, which contains, or supports, or under normal circumstances contains or supports, resident or migratory fish." The standard setback for a major stream is 100 feet outward of the OHWM of the stream. Based on the results of our initial background review and field investigation in 2006 (Raedeke Associates, Inc. 2006), Stream 1 has been rated as a "Major Stream (City of Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 0 Federal Way GIS Division 2005a)." Stream 1 likely received this rating because it is a tributary to West Hylebos Creek, which has documented anadromous and resident fish presence (WDFW 2002, Streamnet 2006). Portions of Stream 1 outside of the on -site culvert would receive a standard 100-foot-wide setback as measured perpendicular from the OHWM. Development Standards and Mitigation Options Intrusions into stream buffers are subject to the conditions in Sections 22-1312 and 22- 1313 in Article XIV of the City of Federal Way's (2007) Critical Areas Code. Depending on the proposed intrusion, the activity may be subject to Process III or IV review, as detailed in Articles VI and VII of the City of Federal Way's (2007) Critical Areas Code. 5.2.2 Wetlands Ratings and Standard Buffers The City of Federal Way (2005) also regulates streams under Article I — "In General" (definitions) and Article XIV — "Critical Areas." Under these regulations, wetlands are regulated as Category 1, II or III wetlands. Category I wetlands meet one of the following criteria: (1) they ccontain the presence of species or documented habitat recognized by state or federal agencies as endangered, threatened or potentially } extirpated plant, fish or animal species; (2) they contain the presence of plant associations of infrequent occurrence, irreplaceable ecological functions, or exceptional local significance including but not limited to estuarine systems, peat bogs and fens, mature forested wetlands, groundwater exchange areas, significant habitat or unique educational sites; or (3) they have three or more wetland classes, one of which is open water. Category II wetlands are greater than 2,500 square feet in area, do not exhibit the characteristics of Category I wetlands, and meet one of the following criteria: (1) they are contiguous with water bodies or tributaries to water bodies which under normal circumstances contain or support a fish population, including streams where flow is intermittent; (2) are greater than one acre in size in its entirety; or (3) are less than or equal to one acre in size in its entirety and have two or more wetland classes, with neither class dominated by non-native invasive species. Category III wetlands are greater than 2,500 square feet in area and do not exhibit those characteristics of Category I or II wetlands. Based on our background review of available inventories (WDFW 2002, 2003, StreamNet 2006, WDNR) and previous reports (Raedeke Associates, Inc. 1988, 1992), the off -site wetland to the north of the Holiday Inn Express site does not contain documented habitat for sensitive species or infrequent or irreplaceable plant associations or ecosystems. The off -site wetland now only consists of two wetland classes (palustrine forested and palustrine scrub -shrub classes) as would be defined in the USFWS Holiday Inn Express Federal Way - Raedeke Associates, Inc. Welland and Stream Assessment Report Draft of January 17, 2008 10 J (Cowardin et al. 1992) classification system; the open water component documented in Raedeke Associates, Inc. (1988) no longer is present in the wetland. Thus, the off -site wetland would be a Category II wetland under the City of Federal Way (2005) Critical Areas code since it is contiguous with a tributary to a stream that contains or supports a fish population (West Hylebos Creek). Therefore, the off -site wetland would receive a standard 100-foot-wide buffer measured from the edge of the wetland boundary (Figures 7a, 7b). Development Standards and Mitigation Options Development in wetlands or wetland buffers are subject to the conditions in Sections 22- 1358 and 22-1359 in Article XIV of the City of Federal Way's (2007) Critical Areas Code. Proposed activities may be subject to Process III or IV review, as detailed in Articles VI and VII of the City of Federal Way's (2007) Critical Areas Code. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 11 6.0 IMPACTS This discussion of project impacts to on -site streams and buffers, as well as off -site wetlands, is based on the site plan prepared by TRT Engineering and received in our offices on January 7, 2008, as well as discussions with TRT Engineering regarding specific design elements of the Holiday Inn Express development. The proposed development involves the construction of a 4-story hotel, which would have a footprint totaling 13,213 square feet, as well as associated parking and access. 6.1 DIRECT IMPACTS 6.1.1 Stream Impacts The proposed development would result in no direct impacts to Stream 1 (Figure 8). 6.1.2 Stream Buffer Impacts The proposed construction of a 12-inch-diameter stormwater pipe would require excavating an approximately 3-foot-wide trench through the 100-foot-wide buffer of Stream 1, which would result in approximately 300 square feet of temporary disturbance to the buffer (Figure 8). Disturbed portions of the buffer would be restored with native vegetation upon completion of the stormwater pipe installation (See Section 7.3). The proposed construction likely will be construed as an "other intrusion" per Section 22-1312(c) of the City of Federal Way (2007) Critical Areas Code. Thus, the proposed work would be subject to a Process IV review, which requires a Hearing Examiner's decision and compliance with the conditions set forth Article VII of the City of Federal Way (2007) Code. The development will also be subject to the conditions of Sections 22-1312(c) and 22-1313 of the City of Federal Way (2007) Critical Areas Code. These development standards are discussed below, as well proposed project design elements to comply with these requirements. Stream Buffer- "Other Intrusion " Development Standards The proposed construction of the stormwater outfall pipe would be subject to the following conditions per Section 22-1312(c) of the City of Federal Way (2007) Critical Areas Code, which requires that: The intrusion will not adversely affect water quality: The proposed construction of the stormwater pipeline would implement temporary erosion and sediment control (TESC) measures as required by the City of Federal Way (2005) to minimize water quality impacts to the on -site stream during pond outfall construction. The project engineer has designed the stormwater detention/treatment vault and pond outfall to meet the water quality standards in the King County (1998) Surface Water Design Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 12 4 i Manual (SWDM), as required by the City of Federal Way (2005b; Mr. Tim Turner, TRT Engineering pers. comm. January 7, 2008). Furthermore, the detention and treatment facility will incorporate additional water quality design features into the vault design per King County's (1998) "Resource Stream Protection Menu." Replanting of the buffer with native vegetation after sewer line construction is completed will restore water quality protection functions to the stream buffer. 2. The intrusion will not adversely affect the existing quality of wildlife habitat within the stream or setback area: Vegetation in the proposed stormwater pipe location mainly consists of grassland in the east portion of the buffer and deciduous trees and shrubs in the west portion of the buffer. Clearing and excavation will result in temporary disturbance to the vegetation cover within this area; however, restoration with native woody vegetation will restore structure and diversity, and thus wildlife habitat function, to the buffer. The intrusion will not adversely affect drainage or stormwater retention capabilities: The proposed stormwater pipe location lies on a steep slope that does not provide substantial stormwater retention capabilities. The final "footprint" would not result in a considerable change to the existing topography of the stream buffer, and the temporarily disturbed area will be revegetated. Thus it is unlikely the proposed intrusion will affect drainage patterns within the buffer. 4. The intrusion will not lead to unstable earth conditions nor create erosion hazards: As mentioned under condition #1, TESC measures as required by the City of Federal Way (2005b) will be implemented during and after construction. The stormwater outfall to the creek will include riprap protection and/or possibly an energy -dissipating flow spreader, and peak flow rates through the outfall pipe will be attenuated by the detention system (Turner 2008). Revegetation will stabilize soils in the disturbed portion of stream buffer. Therefore, the proposed pipe and outfall construction likely will not lead to unstable earth conditions or erosion hazards. 5. The intrusion will not be materially detrimental to any other property in the area of the subject property nor to the city as a whole, including the loss of significant open space: The stormwater pipe and outfall design and construction would comply with all applicable Federal Way laws and would occur in a portion of the site that does not adjoin any existing businesses, residences, or other facilities; therefore, the pond outfall construction likely would not be materially detrimental to any other property in the area or the city as a whole. Temporary disturbance to soils and vegetation within the buffer would subsequently be restored to conditions comparable to pre -development conditions; thus there will be no permanent loss to open space. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 13 6. The intrusion is necessary for reasonable development of the subject property: The locations of the stormwater pipe and outfall are necessary because on -site disposal is not feasible due to unsuitable soils on the site for infiltration (Turner 2008). Additional Requirements for Land Surface Modification Per Section 22-1313 of the City of Federal Way (2007) Critical Areas Code, the proposed stream buffer intrusion will also need to meet the following design requirements: 1. All fill material used must be nondissolving and nondecomposing. The proposed fill material must not contain organic or inorganic material that would be detrimental to water quality or the existing habitat: The stormwater pipe construction would use excavated soils within the buffer as trench backfill. Crushed rock bedding placed below the pipe would comply with the bedding materials requirements in the King County (1998) SWDM. 2. The applicant may deposit dredge spoils on the subject property only if part of an approved development on the subject property: The proposed development would not involve the removal of earth or other materials from a body of water, watercourse, or wetland. 3. The applicant shall stabilize all areas left exposed after land surface modification with native vegetation normally associated with the stream or setback area: The stream buffer that will be temporarily disturbed by the stormwater pipe construction will be restored with native vegetation (see Section 7.3). 6.1.3 Wetland Impacts The proposed development on the Holiday Inn Express site would result in no direct impacts to the off -site wetland located north of the project site (Figure 8). 6A.4 Wetland Buffer Impacts The proposed construction of a 6-inch-diameter sanitary sewer line would connect into an existing sewer line that runs north -south through the central portion of the site. This construction would require excavating an approximately 3-foot-wide trench through the on -site portion of the 100-foot-wide wetland buffer, resulting in approximately 180 square feet of temporary disturbance (Figure 8). The area of disturbance would be restored after construction of the sewer line is complete (See Section 7.3). The proposed development in the wetland buffer likely will be considered a "buffer modification" per Section 22-1359(f) of the City of Federal Way (2007) Critical Areas Code, and be subject to a Process IV review. Development requirements under Section 22-1359 of the City of Federal Way (2007) Critical Areas Code include: Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of'January 17, 2008 14 1_ The modification will not adversely affect water duality: As described in Section 6.1.2, TESC measures as required by the City of Federal Way (2005) will be implemented during development. Replanting of the buffer with native vegetation will restore water quality protection functions to the wetland buffer. 2. The modification will not adversely affect the existing quality of the wetland's or buffer's wildlife habitat: The existing wetland buffer where the proposed sewer line would be constructed mainly consists of grassland and invasive Himalayan blackberry. Revegetation of the wetland buffer with native woody vegetation will likely increase the structure and diversity of the wetland buffer, thus improving wildlife habitat within the area of disturbance. 3. The modification will not adversely affect drainage or stormwater retention capabilities: The sewer line location lies on a relatively gentle slope that does not provide stormwater retention substantial capabilities. The final footprint of the sewer line would not result in a substantial change to the existing topography of the stream buffer, and the temporarily disturbed area will be revegetated. Thus it is unlikely the proposed intrusion will affect drainage patterns within the buffer. 4. The modification will not lead to unstable earth conditions nor create erosion hazards: Construction of the sewer line will implements TESC measures as required by the City of Federal Way (2005). Revegetation will stabilize soils in the disturbed portion of stream buffer. 5. The modification will not be materially detrimental to any other property in the area of the subject property nor to the city as a whole, including the loss of open space. The sewer line design and construction would comply with all applicable Federal Way regulations and would occur in a portion of the site that does not adjoin any existing businesses, residences, or other facilities; therefore, the sewer line construction likely would not be materially detrimental to any other property in the area or the city as a whole. Temporary disturbance to soils and vegetation within the buffer would subsequently be restored to conditions comparable to pre -development conditions; thus there will be no permanent loss to open space. 6.2 INDIRECT STREAM AND WETLAND IMPACTS Several environmental processes occur at a site -wide and watershed -wide scale that can indirectly affect the structural characteristics of aquatic resources, and thus affect — negatively or positively - the water quality, hydrologic, and habitat functions provided by such aquatic resources (Stanley et al. 2005, Sheldon et al. 2005). Unless properly mitigated, the removal of forested and other vegetation, the removal and compaction of topsoil, the construction of impervious surfaces, and alterations in overland flow drainage patterns may decrease groundwater recharge, reduce the Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 15 downward movement of subsurface flow, and/or result in increased surface runoff flows (Stanley et al. 2005, Sheldon et al. 2005). Soil disturbance, vegetation removal, and runoff from streets, roads, and trails may also increase the delivery of sediments and pollutants to aquatic resources. Cumulatively, alterations to vegetation and soil may have a wide range of impacts on the functions wetlands provide, and thus should be evaluated on a case -by -case basis. Below is a discussion of potential indirect impacts to Stream 1 and the off -site wetland from the proposed Holiday Inn Express development. 6.2.1 Indirect Stream Impacts Hydrologic Impacts Removal of existing vegetation and soil compaction for the proposed Holiday Inn Express development may alter the timing and release of surface water and interflow that reaches the on -site stream from the east portion of the site. However, most of the development would occur on grassland, which does not provide the optimum stormwater runoff reduction that dense forest and scrub -shrub vegetation would provide (King County Department of Natural Resources and Parks 2005). The remainder of the site where development is proposed consists of existing buildings and asphalt (see Figure 7a). The proposed stormwater management design for the development would route surface water runoff from impervious surfaces to a stormwater vault in the south-central portion of the site (Figure 8). The City of Federal Way (2005) requires new site developments to } comply with the King County (1998) Surface Water Design Manual. The City of Federal Way (2005a) Flow Control Application Map indicates that Level 1 flow control, per the King County (1998) Surface Water Design Manual, is required for the project site. Stormwater from this vault would discharge into the east edge of Stream 1 via an energy - dissipating flow spreader. The stormwater vault and dispersal facility have been designed to provide Level 1 flow control (Mr. Tim Turner, TRT Engineering pers. comm. January 8, 2008). Level 1 flow control requires matching the developed peak discharge rates to the pre - development discharge rates for 2- and 10-year return periods. Pre -development and post -development (vault -detained) peak flows on the Holiday Inn Express site were calculated by TRT Engineering (2008) using HydroCAD® 8.00. The HydroCAD® 8.00 model calculated that peak discharge on the site during the 2-year storm event would be 0.14 cubic feet per second (cfs) after development and detention, which matches peak discharge under existing conditions. Post -development and detention discharge rates during the ten-year storm event would be 0.29 cfs, which would be slightly lower than pre -development discharge (0.30 cfs). Therefore, the proposed surface water detention and dispersal likely would minimize changes to the amount and timing of water that reaches Stream 1 from the east portion of the site during high -precipitation events. Furthermore, restoration and retention of 100% Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 16 of the standard 100-foot-wide stream buffer on the east side of the stream will ensure that surface and subsurface flows continue to reach Stream 1 during normal precipitation events. There is no proposed development on the portion of the site west of Stream 1. Therefore, there should not be any changes in surface and subsurface discharge into Stream 1 from the west side of the site due to the proposed development. Water Quality Impacts As discussed in Section 6.1.2, the stormwater treatment vault has been designed to meet the requirements of the City of Federal Way (2005). If the on -site stormwater quality control structures fail during high -precipitation events, the on -site stream could be affected by indirect water quality impacts. Any runoff from streets, roads, and other impervious surfaces that is not routed to the stormwater detention/treatment facility could also increase the contaminant loading to the on -site stream. Overall, implementation of the proposed water quality treatment facilities and temporary erosion and sediment control (TESL) measures as required by the City of Federal Way (2005) would minimize water quality impacts to the on -site stream. 6.2.3 Indirect Wetland Impacts As mentioned above, the proposed Holiday Inn Express development would alter the existing conditions of portions of uplands on the site, and thus alter existing surface and subsurface flows. However, based on the existing topography on the site, most of the surface and subsurface water on the east portion of the site generally flows west and southwest, away from the off -site wetland (Figure 7). At the most, the north one-third of the site potentially contributes surface and subsurface flows to the off -site wetland. Thus, a majority of the proposed development should result in minimal changes to surface and subsurface flows that reach the off -site wetland. Deposition of sediment into the wetland by wind or water can result in a loss of stormwater storage capacity and can affect habitat conditions, thus altering vegetation communities and wildlife use of the wetlands. Runoff from streets, roads, and other impervious surfaces could also increase the contaminant loading to the on -site wetlands, potentially overcoming their ability to filter out contaminants. Increased contaminant loading might also affect existing vegetation communities and wildlife use. However, with the proper installation and maintenance of the proposed stormwater treatment facility and implementation of (TESL) measures as required by the City of Federal Way (2005), water quality impacts to the off -site wetland would be minimal. The proposed development would remove most of the pasture and grassland on the east portion of the site, thus resulting in an unavoidable loss of habitat for some types of Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 17 j wildlife. Save for the temporary disturbance associated with the installation of the sewer line, there will be no disturbance to the connectivity of the off -site wetland and buffer with the on -site stream or riparian corridor that extends off -site to the south. In addition, stormwater controls are expected to maintain surface water discharge flow rates at pre - development levels. Therefore, it is expected that there will be minimal changes to the wetlands' vegetative characteristics that support wildlife habitat. Grading and construction activities associated with the proposed development, as well as increased levels of human activity on -site, would also result in increased short- and long- term disturbance to wildlife species using the retained habitat areas. This would further reduce the suitability of the on -site habitats to some wildlife species (Penland 1984). Some species adapted to urban environments and fringes, including many non-native plant and animal species, may find suitable habitat on -site and become established and/or increase in numbers. Those species less adapted for urban environments, however, would be expected to decrease in numbers. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 18 7.0 MITIGATION Mitigation has been defined by the State Environmental Policy Act (SEPA) (WAC 197- 11-768; cf. Cooper 1987), and more recently in a Memorandum of Agreement between the Environmental Protection Agency and the U.S. Army Corps of Engineers (Memorandum 1989). In order of desirability, mitigation may include: 1. Avoidance - avoiding impacts by not taking action or parts of an action; 2. Minimization - minimizing impacts by limiting the degree or magnitude of the action and its implementation; Compensatory Mitigation - which may involve: a) repairing, rehabilitating, or restoring the affected environment; b) replacing or creating substitute resources or environments; c) mitigation banking. The proposed site plan incorporates mitigating measures that would avoid, minimize, ZD and/or mitigated for impacts to on -site sensitive areas and buffers. 7.1 AVOIDANCE OF IMPACTS As noted previously, direct impacts (i.e., fill or excavation) to the off -site wetland or on - site portion of Stream 1 on the Holiday Inn Express site would not occur under the proposed site plan. The proposed site plan would also result in no disturbance to approximately 99% (23,650 square feet) of the on -site portion of the standard 100-foot buffer for the wetland off -site to the north. Approximately 98% (22,860 square feet) of the standard 100-foot buffer for the on -site portion of Stream 1 would also remain undisturbed. 7.2 MINIMIZATION OF IMPACTS 7.2.1 Minimization of Stream and Wetland Buffer Impacts Measures to minimize temporary disturbances to the wetland and stream buffers on the project site are discussed in Sections 6.1 and 6.2. 7.3 Compensatory Mitigation 7.3.1 Stream and Wetland Buffer Restoration The installation of stormwater and sewer lines will result in at least 300 square feet and 180 square feet of temporary impacts to the on -site stream and wetland buffers, Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 19 .J respectively (Figure 8). The proposed buffer restoration plan would restore as great or greater functions to portions of the on -site stream and wetland buffers that will be temporarily impacted by installation of sewer and water lines for the development. This goal would be accomplished by replanting the temporarily disturbed portions of stream and wetland buffers with native, shallow -rooted woody vegetation. Species would be selected based on those native woody species currently found in uplands adjoining the wetland and stream, as well as those appropriate to hydrologic conditions provided and which are in compliance with applicable regulations regarding utility line construction and maintenance. Concurrent with the preparation of detailed engineering plans for final approval, full conceptual and .final buffer restoration plans would be developed based upon available site plan information. The conceptual wetland mitigation plan would present: (1) proposed design features and their locations, (2) mitigation goals and objectives, (3) monitoring plan outline, (4) evaluation criteria and performance standards, and (5) discussion of contingency plans and bonding. Upon approval of the conceptual wetland mitigation plan, a final planting plan and construction specifications would be prepared in conj unction with a landscape architect. The final planting plan would specify such items as: (1) plant species, quantities, and sizes, (2) planting locations, (3) general notes, (4) planting details, (5) construction timing, (6) protection of existing vegetation, (7) source of plant material, (8) soil amendments, (9) watering, and (10) maintenance. Specific plantings (consisting of native species, subject to availability) for the mitigation area would be developed in coordination with the City of Federal Way. The compensatory buffer restoration plans would include a systematic monitoring program to assess the success of the effort (Cooper 1987). The monitoring program would include construction, compliance, and long-term monitoring. The results of the monitoring would be used to develop any needed modifications or alterations of the mitigation site in subsequent years. The purposes of the monitoring program would be to: (1) document the physical and biological characteristics and wetland community development within the mitigation area; and (2) assure that the mitigation goals and objectives have been met and comply with permit specifications. Performance standards of success (for use in monitoring), as well as contingency plans, would also be developed in coordination with the City of Federal Way. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 20 8.0 LIMITATIONS We have prepared this report for the exclusive use of Sweeney Designs, and their consultants. No other person or agency may rely upon the information, analysis, or conclusions contained herein without permission from Sweeney Designs. The determination of ecological system classifications, functions, values, and boundaries is an inexact science, and different individuals and agencies may reach different conclusions. With regard to wetlands, the final determination of their boundaries for regulatory purposes is the responsibility of the various agencies that regulate development activities in wetlands. We cannot guarantee the outcome of such determinations. Therefore, the conclusions of this report should be reviewed by the appropriate regulatory agencies. We warrant that the work performed conforms to standards generally accepted in our field, and was prepared substantially in accordance with then-curr6nt technical guidelines and criteria. The conclusions of this report represent the results of our analysis of the information provided by the project proponent and their consultants, together with information gathered in the course of the study. No other warranty, expressed or implied, is made. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 21 9.0 LITElaATURE CITED Anderson, J., E. Hardy, J. Roach, and R. Witmer. 1976. A land use and land cover classification system for use with remote sensor data. U.S. Geological Survey Professional Paper 964. 28 pp. Buol, S., D. Hole, and R. McCracken. 1980. Soil genesis and classification. The Iowa State University Press, Ames. 406 pp. Cooke, S. 1997. A Field Guide to the Common Wetland Plants of Western Washington and Northwest Oregon. Seattle Audubon Society. 415 pp. Cooper, J.W. 1987. An overview of estuarine habitat mitigation projects in Washington State. Northwest Environmental Journal 3(1):112-127. Cowardin L., V. Carter, F. Golet, and E. LaRoe. 1992. Classification of wetlands and deepwater habitats of the United States. USDI Fish and Wildlife Service Publication. FWS/OBS-79/3I. 131 pp. Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1, US Army Engineers Waterways Experiment Station, Vicksburg, Mississippi. 100 pp. Federal Interagency Committee for Wetland Delineation. 1989. Federal Manual for Identifying and Delineating Jurisdictional Wetlands. U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, U.S. Fish and Wildlife Service, and U.S.D.A. Soil Conservation Service, Washington, D.C. Cooperative technical publication. 76 pp. plus appendices. Federal Register. 1986. 40 CFR Parts 320 through 330: Regulatory programs of the Corps of Engineers; final rule. Vol. 51. No. 219. pp. 41206-41260, U.S. Government Printing Office, Washington, D.C. Federal Register. 1994. U.S. Department of Agriculture, Soil Conservation Service: Changes in Hydric Soils of the United States. Volume 59, No 133; July 13, 1994. Federal Register. 1995. Soil Conservation Service: changes in hydric soils of the United States,' Volume 59, No. 133, pp. 35680-35695. July B, 1994. U.S. Government Printing office, Washington, D.C. Revised December 15, 1995. Federal Way, City of. 2005a. Flow control applications map. March 2005. http ://www. cityoffederalway. com/fc,lders/home/businesseconomicdevelopment/ci tymaps/environmentalmaps/flowcontrol.pdf Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 22 ^� Federal Way, City of. 2005b. Storm Drainage. Chapter 4 in City of Federal Way Public Works Development Standards. February 2005. http://www. cityoffederalway. com/folders/home/yourcityservices/strectstraffic/dev elopmentstandards/Chapter%204%20-%20 Storm%20Drainage.pdf Federal Way, City of. 2005c. Stream ratings map. http://www.cityoffederalway.com/GetFile.aspx?id=10443. January 2005. Federal Way, City of. 2007. Federal Way City Code. Current through Ordinance 07- 559, passed July 3, 2007. Guard, B.J. 1995. Wetland Plants of Oregon and Washington. Lone Pine Publishing, Renton, Washington. 239 pp. Hitchcock, C., and A. Cronquist. 1976. Flora of the Pacific Northwest. University of Washington Press, Seattle. 730 pp. King County. 2007. GIS interactive map center (iMAP), King County, Washington. http://www.metrokc.gov/gis/IMAP—main.htmg. Accessed August 13, 2007. King County Department of Natural Resources. 1998. King County, Washington surface water design manual. September 1998. King County Department of Natural Resources and Parks. 1998. King County, Washington surface water design manual. January 24, 2005. Memorandum. 1989. Memorandum of Agreement between the U.S. Environmental Protection Agency and the Department of Army Concerning the Determination of Mitigation under the Clean Water Act, Section 404 B1 Guidelines. Effective 7 November 1989. Mueller-Dombois, D. and H. Ellenberg. 1974. Aims and methods of vegetation ecology. John Wiley and Sons, New York. 547 pp. Munsell Color. 2000. Munsell soil color charts. GretagMacbeth, New Windsor, NY. Pojar, J., and A. MacKinnon. 1994. Plants of the Pacific Northwest Coast, Washington, Oregon, British Columbia, and Alaska. B.C. Ministry of Forests; B.C. Forest Raedeke Associates, Inc. 1988. Wetland assessment and enhancement report for the Starkovich Property, King County, Washington. August 18, 1988 report to Yellowstone Investment Company, Federal Way, Washington. Holiday Inn Express Federal Way - Raedeke Associales, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 23 J Raedeke Associates, Inc. 1992. Updated wetland assessment of the Brooklake Village property, Federal Way, Washington. August 13, 1992 report to Yellowstone Investment Company, Federal Way, Washington. Raedeke Associates, Inc. 1998. Brooklake Village mitigation monitoring — Final wetland buffer mitigation monitoring report. November 5, 1998 report to Raedeke Associates, Inc. 2006. Wright Federal Way - stream delineation and wetland reconnaissance. July 7, 2006 letter to Mr. Bob Wright, Federal Way, Washington. Reed, P., Jr. 1988. National list of plant species that occur in wetlands: Northwest (Region 9). U.S.D.I. Fish and Wildlife Service. Biological Report 88 (26.9). 89 pp. Reed, P., Jr. 1993. 1993 Supplement to list of plant species that occur in wetlands: Northwest (Region 9). U.S.D.I. Fish and Wildlife Service. Supplement to Biological Report 88 (26.9) May 1989. Snyder, D., P. Gale, and R. Pringle. 1973. Soil Survey of King County area, Washington. U.S.D.A. Soil Conservation Service. 100 pp. StreamNet. 2006. Pacific NW interactive mapper. http://map.streamnet.org/snetmapper/viewer.htm. Accessed May 31, 2006. Turner, T. 2007. "Re: Federal Way" Email to Ms. Lisa Danielski. December 28, 2007. Turner, T. 2008. "Re: Federal Way" Email to Ms. Lisa Danielski. January 8, 2008. U.S. Army Corps of Engineers. 1991a. Special notice. Subject: Use of the 1987 wetland delineation manual. U.S. Army Corps of Engineers, Seattle District. August 30, 1991. U.S. Army Corps of Engineers. 1991b. Memorandum. Subject: Questions and answers on the 1987 manual. U.S. Army Corps of Engineers, Washington D.C. October 7, 1991. 7 pp. including cover letter by John P. Studt, Chief, Regulatory Branch. U.S. Army Corps of Engineers_ 1992. Memorandum. Subject: Clarification and interpretation of the 1987 methodology. U.S. Army Corps of Engineers, Washington D.C., March 26, 1992. 4 pp. Arthur E. Williams, Major General, U.S.A. Directorate of Civil Works. Holiday Inn Express Federal Way - Raedeke Associales, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 24 J U.S. Army Corps of Engineers. 1994b. Public Notice. Subject: Washington regional guidance on the 1987 wetland delineation manual. May 23, 1994, Seattle District. 8 pp. U.S. Fish and Wildlife Service National Wetlands Inventory. 1988. Kirkland and Mercer Island, Washington, 7.5 minute quadrangles. Washington Department of Ecology. 1997. Washington state wetland identification and delineation manual. March 1997. Publication No. 96-94. 88 pp. plus appendices. Washington Department of Fish and Wildlife. 2003. SalmonScape. http://wdfw.wa.gov/mapping/salmonscape/index.html. Washington Department of Fish and Wildlife. 2002. Priority habitats and species maps and reports in the vicinity of Township 26 North, Range 4 East, Section 28. April 19, 2004. Habitat Program, Olympia, Washington. Washington State Department of Natural Resources. 2006. Forest Practices Activity Map for Section 20 Township 18 North, Range 2 East, W.M. http://www3.wadnr.gov/dnrapp5/website/fpars.viewer.htm. Accessed May 31, 2006_ Wentworth, T. and G. Johnson. 1986. Use of vegetation in the designation of wetlands. Final report to USDI Fish and Wildlife Service. North Carolina Agricultural Service and N.C. State University, Raleigh. 107 pp. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 FIGURES AND 'TABLES IM Figure 1. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of'January 17, 2008 27 Figure 2. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of'January 17, 2008 28 J Figure 3. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 29 Figure 4 Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 j Figure 5 Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 31 Fiaure 6 Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of'January 17, 2008 32 Figure 7 Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 FIGURE a HOLIDAY INN EXPRESS PROPOSED SITE PLAN . .... ............................ ....... .. .... .... .. _....-......------------- - ... ._.... ............. ... ,-, ....... _, ..... .. . -... .... . i 7 , i • CATEWRY #E. £9!"to4 f gF sty e" C sf"W UK-, G£}M'i#xOMON 3gSD�! 411 YEff£3Xk R 33O F#MBhCi€3MY "rKM £f#PACT 10 V 107 AREA TO RMMMED ---- t tt�; xza a • xve� :ZO ... • - �,, oxe . � tee ; . flN evl r i, v y� ....ate � i'.• r r j soc ace• . = ---�^^�i�x � � -' :� ; � a � � - ..:: �,....•. ....... , .. f ' � 1'• #sF �3POA11 3 ir CRi' ' TEMPORARY BUFMR MPAC3 200 NSF 3 P F-A To o�'�CEBro, RrzD v • �X"'�+1:;i Caw#�"'i�WFiw PR'O#'ORED FRF.7MOINO WAQ. °ns ZheaxL�xe " 'ter r R. CITY F FEOERA WAY .•_,• 1E3�' �:llA+3;.:4?'Ii„? oV ';S.f�Fra �E:�•r�.�t na {33� .---•- jS3AC: x:$�'•,Y!lby,!. t�,•:iy %:� &iU V ax �i.+E:N•.0 E,'•`,r#: C&y :z�-: f'.ii;%£n; 9t'I:s.3+:vQ >~�:ra �,:;•:f:-,;;yh7S :r��!;io-�: S>-i:r• �s<wr-:a�_>. 34 Figure 9 Holiday Inn Express Federal Way - Welland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 35 M Figure 10 Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of.lanuary 17, 2008 IM IJ Table 1. List of aerial photographs used in the study. Agency Date Type 1 Scale Wash. Dept. Natural Resources 1970 B&W 1"=1,000' Wash. Dept. Natural Resources (SP 85) 1985 B&W 1"=1,000' Wash. Dept. Natural Resources (SP 89) 1989 B&W 1"=1,000' Wash. Dept. Natural Resources (NW 95 series) 1995 B&W 1"=1,000' Wash. Dept. Natural Resources (NW 01 series) 2001 Color 111=1,000' 1 B&W = black and white photograph Enlg. = enlargement Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 37 Table 2. Summary of definitions of water types found on Washington Department of Natural Resources Forest Practice Base Maps (See Washington State Forest Practices Board 2004 for complete definitions . Type Definition "Type F Water" means segments of natural waters other than Type S Waters, which are within the bankfull widths of defined channels and periodically inundated areas of their associated wetlands, or within lakes, ponds, or impoundments having a surface area of 0.5 acre or greater at seasonal low water and which in any case contain fish habitat or are described by one of the following four categories: (a) Waters, which are diverted for domestic use by more than 10 residential or camping units or by a public accommodation facility licensed to serve more than 10 persons, where such diversion is determined by the department to be a valid appropriation of water and the only practical water source for such users. Such waters shall be considered to be Type F Water upstream from the point of such diversion for 1,500 feet or until the drainage area is reduced by 50 percent, whichever is less; (b) Waters, which are diverted for use by federal, state, tribal or private fish hatcheries. Such waters shall be considered Type F Water upstream from } the point of diversion for 1,500 feet, including tributaries if highly significant for protection of downstream water quality. The department may allow additional harvest beyond the requirements of Type F Water designation provided the department determines after a landowner - requested on -site assessment by the department of fish and wildlife, department of ecology, the affected tribes and interested parties that: (1) The management practices proposed by the landowner will adequately protect water quality for the fish hatchery; and (ii) Such additional harvest meets the requirements of the water type designation that would apply in the absence of the hatchery; (c) Waters, which are within a federal, state, local, or private campground having more than 10 camping units: Provided, That the water shall not be considered to enter a campground until it reaches the boundary of the park lands available for public use and comes within 100 feet of a camping unit, trail or other park improvement; j Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 38 Table 2. Continued Type Definition (d) Riverine ponds, wall -based channels, and other channel features that are used by fish for off -channel habitat. These areas are critical to the maintenance of optimum survival of fish. This habitat shall be identified based on the following criteria: (1) The site must be connected to a fish habitat stream and accessible during some period of the year; and (ii) The off -channel water must be accessible to fish. "Type lip Water" means all segments of natural waters within the bankfull width of defined channels that are perennial nonfish habitat streams. Perennial streams are waters that do not go dry any time of a year of normal rainfall. However, for the purpose of water typing, Type Np Waters include the intermittent dry portions of the perennial channel below the uppermost point of perennial flow. If the uppermost point of perennial flow cannot be identified with simple, nontechnical observations (see board manual, section 23), then Type Np Waters begin at a point along the channel where the contributing basin area is: (a) At least 13 acres in the Western Washington coastal zone (which corresponds to the Sitka spruce zone defined in Franklin and Dyrness, 1973); (b) At least 52 acres in other locations in Western Washington; (c) At least 300 acres in Eastern Washington. "'Type Ns Water" means all segments of natural waters within the bankfull width of the defined channels that are not Type S, F, or Np Waters. These are seasonal, nonfish habitat streams in which surface flow is not present for at least some portion of a year of normal rainfall and are not located downstream from any stream reach that is a Type Np Water. Ns Waters must be physically connected by an above -ground channel system to Type S, F, or Np Waters. For purposes of this section: (a) "Residential unit" means a home, apartment, residential condominium unit or mobile home, serving as the principal place of residence. (b) "Camping unit" means an area intended and used for: (i) Overnight camping or picnicking by the public containing at least a fireplace, picnic table and access to water and sanitary facilities; or (ii) A permanent home or condominium unit or mobile home not qualifying as a "residential unit" because of part time occupancy. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report Draft of January 17, 2008 IM Table 2. Continued. Type Definition (c) "Public accommodation facility" means a business establishment open to and licensed to serve the public, such as a restaurant, tavern, motel or hotel. (d) "Natural waters" only excludes water conveyance systems which are artificially constructed and actively maintained for irrigation. (e) "Seasonal low flow" and "seasonal low water" mean the conditions of the 7- day, 2-year low water situation, as measured or estimated by accepted hydrologic techniques recognized by the department. (f) "Channel width and gradient" means a measurement over a representative section of at least 500 linear feet with at least 10 evenly spaced measurement points along the normal stream channel but excluding unusually wide areas of negligible gradient such as marshy or swampy areas, beaver ponds and impoundments. Channel gradient may be determined utilizing stream profiles plotted from United States geological survey topographic maps (see board manual section 23). (g) "Intermittent streams" means those segments of streams that normally go dry. (h) "Fish habitat" means habitat which is used by any fish at any life stage at any time of the year, including potential habitat likely to be used by fish which could be recovered by restoration or management and includes off -channel habitat. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. Draft of January 17, 2008 APPENDIX A: Wright Federal Way Stream Delineation (Raedeke Associates, Inc. 2006) APPENDIX B: Raedeke Associates, Inc. (1988, 1992) 'Wetland Assessment Deports for the Off -Site Wetland #2005-056-001 Orr Bellevue Wetland and Stream Assessment APPENDIX G TIR Worksheet and Checklist CITY OF PUBLIC WORK5 DEPARTMENT TECHNICAL INFORMATION REPORT (TIR) CHECKLIST (Based on 1998 KCSWDM & Federal Way Addendum Dated April 1999) Project Name: OL�O�i 10� CX1 �``' S5 MI ILL Date: 3 Z4 0& ProjectNo.: 06 106y2,6~%0—K By: T11M —1 items need to be addressed. Checked items are complete. GENERAL 1. Table of contents with page numbers provided. SECTION I - PROJECT OVERVIEW 2. 3. J 4. ✓ 5. '/ Narrative - Pre & post development. Figure 1 — T.I.R. Worksheet. Figure 2 — Site Location. Figure 3 — Drainage Basins, Sub -Basins, & Site Characteristics: a. acreage of sub -basins b. existing discharge points to and from site c. routes of existing, construction and future flows at all discharge points and downstream hydraulic structures. d. minimum USGS 1:2400 topo map base e. show (and cite) length of travel from farthest upstream end of proposed storm system in develops -rent to any proposed flow control facility. Figure 4 — Soils Map: a. project site b. area draining to site c. drainage system downstream of site for distance of the downstream analysis. SECTION II - CONDITIONS & REQUIREMENTS SUMMARY 7. '� Pre -approval conditions & applicable requirements pertaining to site engineering: a. SEPA mitigations b. environmentally sensitive area requirements c. variances and adjustments d. conditions of plat approval SECTION III — OFF -SITE ANALYSIS 8. ✓ City of Federal Way maps at 1" = 100' used for delineation of upstream tributary area to the site and to the downstream system. Technical Information Report (TIR) Checklist 1 9. Narrative - general make up of drainage system. Pipe size, channel characteristics and drainage structures. 10. 1 Downstream analysis a. study area definition and maps b. resource review c. field inspection d. drainage system description and problem descriptions e. mitigation of existing or potential problems SECTION Ill — RETENTION DETENTION ANALYSIS AND DESIGN Part A — Existing Site Hydrology 11. ✓ Narrative — assumptions and site parameters used in analysis. 12. ✓ Acreages, soil types, land covers, and basin maps. 13. v' Basin maps, graphics, exhibits for each sub -basin affected. 14. V Delineation and acreage of onsite areas and areas contributing runoff to the site, flow control facility location, outfall and overflow route shown an topographic map. 15. Sub -basins labeled and KCRTS parameters referenced. 16. 100-year floodplain delineated along closed depressions, streams, lakes and wetlands. Part B — Developed Site Hydrology 17. `/ Narrative — assumptions and site parameters used in analysis. 18. ✓ Acreages, soil types, land covers, roadway layouts and all constructed drainage facilities. 19. ✓ Basin areas and flows depicted on a map, referenced to a computer printout or calc. sheets with areas highlighted and tabulated in a listing of all developed sub -basin flows. 20. Sub -basins labeled, and KCRTS parameters referenced. Part C — Performance Standards 21. Area specific flow control standard from flow control applications map and any modifications to standard, to address onsite or offsite drainage conditions. 22. Conveyance system capacity standards. 23. Area specific water quality treatment and applicable special requirements for source control or oil control. Part D — Flow Control System 24. " Sketch — Flow Control facility and appurtenances with dimension and volume calculations from zero to maximum head; orifice sizes and head relationships; control structures/restrictor orientation to the facility. 25. Volume sizing — computer printouts, equations, calculations, tables, graphs and other data to support volume of storage facilities. 26. Volumetric factor of safety used. 27. Emergency spillway calculations provided. Technical Information Report (TIR) Checklist 2 Part E — Water Quality System 28. ✓ Sketch — water quality facilities, source controls, oil controls and appurtenances, overall dimensions orientation, location of inflow, etc. 29. ✓ Computer printouts, calculations, equations, references, and graphs necessary to substantiate design. SECTION V — CONVEYANCE SYSTEM ANALYSIS AND DESIGN 30. ✓ Detailed analysis of existing and proposed system. Labeling of elements conforms to engineering plans. 31./ If design results are on a computer printout, provide summary tabulation of performance. 32. V Pipe flow tables, flow profile computation tables, nomographs, charts, graphs, detail drawings, other aids used to design and confirm performance. SECTION VI — SPECIAL REPORTS AND STUDIES 33. Anadromous Fisheries Impacts Geology Hydrology Structural Fill Floodplains :XGeotechnical/Soils Slope protection/Stability Water Quality Fluvial Geomorphology Groundwater Structural Design Wetlands SECTION VII —OTHER PERMITS 34. List other permits by title, the agency requiring permit and requirements that affect the drainage plan. (WSDOT, WADOE, NPDES, WDOE — Dam Safety, etc.) .rp gL SECTION VIII — ESC ANLYSIS AND DESIGN g,r,lTcti� 35. Narrative — how proposed ESC measures comply with ESC standards in Appendix "D" and core requirement #5: Wppp S a. clearing limits b. cover measures c. perimeter protection d. traffic area stabilization e. sediment retention f. surface water controls 36. Hydrologic and hydraulic information used to analyze and size ESC facility. 37. Special measures for high erosion areas. 38. ESC recommendations in special reports. 39. Proposed exceptions or modifications and rationale/supporting documentation. SECTION I7C — BOND QUANTtTIES, FACILITY SUMMARIES AND DECLARATION OF COVENANT 40. Bond Quantities Worksheet completed. 41. Flow control an water quality facility summary sheet and sketch. 42. Declaration of Covenant. SECTION X —OPERATIONS AND MAINTENANCE MANUAL 43. Maintenance and operation manual submitted specific to the project. Include a brief description of the flow control facility and water quality facilities, what they do, and how they work. k:\devtserv\dev stand manual\c-list tir.doc Technical Information Report (TIR) Checklist 3 J KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 1 PROJECT OWNER AND PROJECT ENGINEER Project Owner KR (JOSP ITAL-11Y LP Phone 206 441— 02. b ( Address 2Z00 60, AVCi SUITE 520 SLATTLC W11 9.0121 Project Engineer T If',aTgY R. Tk"&-- CompanyT ErJGt*'� EN NG- Phone 503 Z35 7Sg7- Part 3 TYPE OF PERMIT APPLICATION U Landuse Services Subdivison / Short Subd. / UPD ❑ Building Services M/F / Commerical / SFR ❑ Clearing and Grading ❑ Right -of -Way Use ❑ Other. Part 5 PLAN AND REPORT INFORMATION Technical Information Report Type of Drainage Review P2rge 1 Targeted / (circle): Site Date (include revision dates): Date of Final: Part 2 PROJECT LOCATION AND DESCRIPTION Project NameU DDES Permit # A Location Township 21 N Range Section Site Address 303 9 PACiF+c- Part 4 OTHER REVIEWS AND PERMITS ❑ DFW HPA ❑ Shoreline ❑ COE 404 Management ❑ DOE Dam Safety ❑ Structural Rockery/Vault/ FEMA Floodplain ❑ ESA Section 7 ❑ COE Wetlands RuC�55 IV JU Other W C-TiA 09S/Si (LI Aw\ &4 Site Improvement Plan (Engr. Plans) Type (circle one): Full / Modified / mall Site Date (include revision dates): Date of Final: Part 6 ADJUSTMENT APPROVALS Type (circle one): Standard / Complex / Preapplication / Experimental / Blanket Description: (include conditions in TIR Section 2) Al I fT Date of Approval: 2005 Surface Water Design Manual 1 1/1/05 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL �i TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 7 MONITORING REQUIREMENTS Monitoring Required: Yes / No Describe: Start Date: Completion Date: j I Part 8 SITE COMMUNITY AND DRAINAGE BASIN I Community Plan : Special District Overlays: Drainage Basin: Stormwater Requirements: I Part 9 ONSITE AND ADJACENT SENSITIVE AREAS I )LI River/Stream ❑ Lake W Wetlands ❑ Closed Depression ❑ Floodplain ❑ Other ❑ Steep Slope ❑ Erosion Hazard _ ❑ Landslide Hazard ❑ Coal Mine Hazard ❑ Seismic Hazard ❑ Habitat Protection Li Part 10 SOILS CkTY OF r-EoGki- WA(ZE6- dAL :pl L AAAP Soil Type Slopes Erosion Potential P-61 r-I LL. (►JdW NirfIyC� d— f Ia Low LAC1A C 'r1 L- 6 - i % LOW �0T/A"0-wo2D GAAOE�L►++ ±w;_oa� �'z,'►�P ❑ High Groundwater Table (within 5 feet) ❑ Sole Source Aquifer ❑ Other ❑ Seeps/Springs ❑ Additional Sheets Attached 2005 Surface Water Design Manual 2 1/1/05 N KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET I Part 11 DRAINAGE DESIGN LIMITATIONS REFERENCE ❑ Core 2-Offsite Analvsis 0 Sensitive/Critical Areas ❑ SEPA ❑ Other Ll LIMITATION / SITE CONSTRAINT OLTLAdOS a- 6UrftRS I ❑ Additional Sheets Attached J Part 12 TIR SUMMARY SHEET(provide one TIR Summary Sheet per Threshold Dischar a Area) Threshold Discharge Area: Warne or description) Core Requirements (all 8 apply) Discharge at Natural Location Number of Natural Discharge Locations: Offsite Analysis Level: 1 / 2 / 3 dated: Flow Control Level: 1 / 2 / 3 or Exemption Number Incl. facility summary sheet Small Site BMPs _ _ Conveyance System Spill containment located at: Erosion and Sediment Control ESC Site Supervisor: J040 Otl Contact Phone: 206441- 7-LL After Hours Phone: ZU6 Z51- 5613 Maintenance and Operation Responsibility: Privat Public If Private, Maintenance Log Required: Yes / No ? Financial Guarantees and Provided: Yes / No p Liability_ Water Quality Type: asic / Sens. Lake / Enhanced Basicm / Bog (include facility summary sheet) or Exemption —No. Landscape Mana ement Plan: Yes / No Special Requirements as applicable) Area Specific Drainage Type: CDA / SDO / MDP / BP / LMP / Shared Fac. / None Requirements Name: Flood piain/Floodway Delineation Type: Major / Minor / Exemption / one OH O M = 224 t 100-year Base Flood Elevation (or range): Datum: Flood Protection Facilities Describe: Source Control Describe landuse: [00AfA(:2C\A- 401 (comm./industrial landuse) Describe any structural controls: 2005 Surface Water Design Manual 3 1/1/05 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Oil Control High -use Site: Yes / No Treatment BMP: 0i1-T9.APP1,j6- UroN PA11w, ME0'1 P�pE Maintenance Agreement: Yes / Na with whom? Other Drainage Structures Describe:®iae��?� �er�:��JSLT9t+�E�iA��n/ PIPE �}60 -S FQ-3 "N'ta-oL An/iNTA6 t W1TLi �� S��*P PATE- jRC/A_N .-EdT �:S(t'�9`v (_zA-gpo5 cA+Lirilv(yr') Part 13 EROSION AND SEDIMENT CONTROL REQUIREMENTS MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION AFTER CONSTRUCTION ❑ Clearing Limits ❑ Stabilize Exposed Surfaces ❑ Cover Measures ❑ Remove and Restore Temporary ESC Facilities ❑ Perimeter Protection ❑ Clean and Remove All Silt and Debris Ensure ❑ Traffic Area Stabilization Operation of Permanent Facilities ❑ Retention ❑ Flag Limits of SAO and open space Sediment preservation areas ❑ Surface Water Control ❑ Other ❑ Dust Control ❑ Construction Sequence Part 14 STORMWATER FACILITY DESCRIPTIONS Note: Include Facilit Su mar and Sketch Flow Control Type/Description Water Quality Type/Description Detention ❑ Infiltration ❑ Regional Facility ❑ Shared Facility ❑ Small Site BMPs ❑ Other ❑ Biofiltration ❑ Wetpool 3 Media Filtration ❑ Oil Control ❑ Spill Control ❑ Small Site BMPs ❑ Other 2005 Surface Water Design Manua] 4 1/1/05 -i KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 15 EASEMENTS/TRACTS Part 16 STRUCTURAL ANALYSIS ❑ Drainage Easement ❑ Cast in Place Vault ❑ Access Easement ® Retaining Wall wtnAl,��A2 f3RUcT- ❑ Native Growth Protection Covenant ❑ Rockery > 4' High ❑ Tract N /A ❑ Structural on Steep Slope ❑ Other ❑ Other Part 17 SIGNATURE OF PROFESSIONAL ENGINEER I I, or a civil engineer under my supervision, have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attached Technical Information Report. To the best of my knowledge the 'nformatian provided here is accurate. /Z-/6?IdI I PY-TNY a- r�uNrr2 1F2i 2005 Surface Water Design Manual 61 l / l /05 CITY OF FEDERAL WAY DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL DATE: TO: FROM: FOR DRC MTG. ON: 12/l/2006 Will Appleton, Development Services Manager (X2) Scott Sproul, Assistant Building Official Brian Asbury, Lakehaven Utility District Dave Mataftin, Federal Way Fire Department David Lee Internal - 12/14/06 W/ Applicant - 12/21/06 FILE NUMBER(s): 06-106026-00-PC RELATED FILE NOS.: None PROJECT NAME: PROJECT ADDRESS: ZONING DISTRICT: HOLIDAY INN EXPRESS 34839 PACIFIC HWY S 9 BP PROJECT DESCRIPTION: Construction of a new 80-90 unit hotel, with associated site development. 34839 PHS. Zoning is BP. LAND USE PERMITS: SEPA, UP III PROJECT CONTACT: DALE SWEENEY DESIGN DALE SWEENEY 5715 143RD PL SE 4252608969 (Work) MATERIALS SUBMITTED: Preliminary Conceptual Drawing (3 Different layouts) Site Plan Architectural Statement Color Photo Master Land Use App b•�� Aj� William Popp Associates Transportation Engineers/Planners (425)401-1030 FAX (425) 401-2125 e-mail: info@wmpoppassoc.com July 27, 2009 To: Soma Chattopadhyay City of Federal Way C/c: Ed Kim KPR Hospitality Investment, LP From: William Popp, Jr. William Popp Associates Subject: Holiday Inn Express; 08-100490-00-CN Re: Project Trip Assignment Revision and Subsequent Pro-Rata Share Traffic Mitigation Fee Adjustment This memorandum and analysis was prepared in an effort to summarize the review and modification of the City's model project trip assignment and subsequent pro-rata share traffic mitigation fee for traffic concurrency. The analysis includes review and adjustment of only one direction of the model assignment. Just to refresh, the proposed project consists of a 90-unit hotel located on the west side of SR 99 just south of S 348`h St in Federal Way, WA. The site is presently vacant. The City prepared a Transportation Concurrency Analysis dated 7/22/08 and this memorandum was prepared in response to a recent review of those results. Included herein is a discussion of project trip generation estimates, and a minor refinement of the model assignment based on a localized travel time evaluation, and a subsequent revision of the project's pro-rata share traffic mitigation fee for traffic concurrency. 14-400 Building . Suite 206 . 14400 Bel -Red Road . Bellevue, WA 98007 Soma Chattopadhyay Holiday Inn Express Concurrency Results Recommended Modification 7127109 Page 2 1. Trip Generation The PM peak hour project trip generation estimate used for the traffic concurrency utilized the average rate based on total rooms for the Hotel category (Land Use Code 310 within the ITE Trip Generation 7`h Edition). The concurmncy run is based on 53 PM peak hour trips. According to the ITE 2❑d Edition Trip Generation Handbook, a local trip generation study would be the recommended route in lieu of using the rate or an equation (although no equation is given for the PM peak hour case) for estimating trips. Nevertheless, the City utilized the average rate for establish the trip generation estimate. It is important to note, within the LUC 310 PM Peak Hour (Street Peak) chart in ITE, there were 4 sites surveyed for hotels ranging between 90 and 100 units and each of those data points is lower than the average rate. In addition, of the 11 hotels that ranged between 90 and 150 units, 8 of those yielded trips lower than the average rate. Furthermore, the rate in ITE typically represents an average occupancy of about 85%. KPR Hospitality Investment, LP has indicated to us the actual average occupancy is more like 70%. This documentation of rates and occupancy are only presented to the City to suggest the trips estimated and used in the concurrency analysis are more than likely higher than what would be realized for this proposed hotel. In order to avoid a revised concurrency run, we have elected to not pursue a reduced trip generation figure through local study, only to note that what was estimated by the City is likely a conservative estimate for this size of hotel. 2. Model Assignment Recommended Modification The use of a transportation model is a great use for planning type applications. However, it should not be relied on as the be-all end-all for project specific traffic assignment for various types of land uses without engineering review. It is certainly a very useful tool for its' purpose, however it should be recognized that the project specific model assignment may be subject to refinement, aka a post processing of a specific loading. There are a couple locations where the model assignment does not quite appear logical. However, this analysis review questions only one specific model assignment. That particular circumstance would be the 5 trips existing the site south using S 356`h St presumably heading south or east at the SR 161/S 356`h St intersection. A travel time evaluation of this route versus the new connection of S 352nd St suggests that it William Popp Associates Soma Chattopadhyay Holiday Inn. Express Concurrency Results Recommended Modification 7127109 Page 3 is slightly faster, and 1,000 feet shorter, to utilize the S 352nd route instead of the S 356`h route. The travel time evaluation compared the two routes: 1. Route 1 — exiting the site south on SR 99 to S 356`h St, east on S 356`h to SR 161, and then south on SR 161. 2. Route 2 — exiting the site south on SR 99 to S 352nd St, east on S 352nd St to SR 161, and then south on SR 161 south past S 356`h St. The travel time analysis assumes posted speeds (25 mph for the new S 352nd St connection) and signal movement delay per the outputs from the City's concurrency run. It should be noted there was no output for the SR 99/S 352 d St intersection thus we prepared a synchro analysis for this intersection for "with project" conditions and some estimate of traffic as there was none from the City's analysis. The details of each route are shown in Table 1. Table 1 Travel Time Summaries Route Description Distance Time SR 99-S 356'' St -SR 161 4,845 ft 3.8 min SR 99-S 352°' St -SR 161 3,840 ft 3.6 min As shown in Table 1, the faster route exiting the site to and through the SR 161/S 356`h St intersection is via the proposed S 352nd St connection to SR 161 rather than via S 356`h St as the model has assigned it. The details are shown in Attachment 2. The corresponding map is shown in Attachment 1. The synchro analysis for the SR 99/S 352nd St intersection is provided as Attachment 4. Therefore, it is recommended that the 5 PM peak hour trips using S 356`h St be re- assigned to use S 352nd St. 3. Project Pro-Rata Share Adjustment Utilizing the recommended revised trip assignment noted above, a re-evaluation of the project's pro-rata share was conducted using the City's TIP information provided from the original traffic concurrency run conducted for the project in Jul-08. William Popp Associates Soma Chattopadhyay Holiday Inn Express Concurrency Results Recommended Modification 7127109 Page 4 The summary of the pro-rata share yields a mitigation fee payment requirement of $118,872. The pro-rata share spreadsheet is shown in Attachment 3A, in detail , and Attachment 3B in summary and detail format. 4. Summary This response to the City's Transportation Concurrency Analysis conducted for the Holiday Inn Express identified some concerns regarding the trip generation estimates used in the concurrency run. In general, it is concluded that the trip generation estimate is more than likely a conservative estimate given the size of the proposed site and the occupancy estimates reported by the project team. However, to avoid a new concurrency run and the unknown implications that go with it, we have elected to use the original trip generation estimates utilized by the City. However, there were some concerns raised with the project trip assignment and therefore, we modified the assignment for one particular location (S 3561h St between SR 99 and SR 161). The trip re -assignment resulted in a change to the pro-rata share estimate. The revised traffic mitigation fee is $118,872. My client, KPR Hospitality Investment, LP, is prepared to voluntarily contribute $118,872 in pro-rata share contributions to the TIP projects. I trust that the information presented in this memorandum is adequate in addressing the information you have requested for this project. Please call William Popp Jr. at (425) 401-2124 or email at bpoppjr@wmpoppassoc.com with any comments or questions. Thank you for your time reviewing this. Attachments: 1. Travel Time Evaluation Map 2. Travel Time Evaluation spreadsheet. 3A. Revised pro-rata share calculations, project detail. 3B. Revised pro-rata share calculations, project summary. 4. SR 99/S 352nd St syncro analysis for with project conditions William Popp Associates l.� - A - CITY OF Federal Way DATE: March 21, 2008 TO: David Lee MEMORANDUM «departmentdeso> Department FROM: Sanjeev Tandle SUBJECT: Holiday Inn Express — Internal Completeness Technical Comments PUBLIC WORKS TRAFFIC DIVISION (Sanjeev Tandle, P.E., PTOE, 206.450.5845, san j eev.tandle@cityoffederalway.com) The City has received a Concurrency Application and the applicant will be notified as soon as the concurrency analysis is completed. Per FWCC Section 22-1474, the applicant/owner would be expected to construct street improvements consistent with the planned roadway crosssections as shown in Map II1=6 of the Federal Way Comprehensive Plan (FWCP) and Capital Improvement Program (CIP) shown as Table I1419. The site plan should show the improvements on SR 99 to include a 90-foot street with curb and gutter, six-foot planter strips with street trees, eigh#foot sidewalks, and street lights in a 124foot right-of- way. The applicant's engineer needs to verify that a 62foot right-of-way has been dedicated on the west of SR 99. Assuming a symmetrical cross section, up to 12 feet righbf--way dedication and half street improvements are required and should be measured from the street centerline. Tapers and transitions beyond the project fronhge may be required as deemed necessary for safety purposes, taper rate shall be WS^2/60 or as directed by the Public Works Director. 4. Per FWCC Section 22-1543, Pacific Highway South is access class "1" and in the future, left access may be permitted every330 feet and left -out access is only permitted at signalized intersectionsIn order to meet these standards, if the proposed driveway as shown on the site plan is allowed, it would be restricted to right-in/right-out only. WAC 468-52-040 limits access an state highways in Federal Way to access spacing of 250 feet with only one access per parcel. Please show all neighboring driveways within 250 feet of the proposed driveway(s). Based on the site plan submitted, it appears that the proposed driveway doesiot meet the 250 feet spacing standard. Please explore the option of sharing an access with the adjacent property owners. Also, explore the option of moving the driveway further south to increase the spacing between the adjacent driveways. FWCC Section 22-1543 indicates a procedure and allows the public works director to modify access requirements. Once preliminary traffic queuing analysis has been completed, the applicant's traffic engineer may submit a written request for modification if desired. Mr. Timothy R. Turner, P.E. TRT Engineering, Inc. RE: Permit No. 08-101358-00-MF; Holiday Inn Express - 34839 Pacific Hwy S January 16, 2009 Page 2 of 3 Make the plan view match City Detail 3-6A for driveway. Sheet 1 Gradintz and [Jtility Plan 7. Show parking stall and drive aisle dimensions and traffic direction arrows. 8. Provide a detail for the parking lot surfacing. Sheet Z — Street Plan and Profile 9. The street section and plans must show correct dimensions and the planter strip. This must also be correct on the grading and utility plan. Dimensions are: 62' total right-of-way including the 12' dedication, 45' roadway section (curb to centerline), 6' planter strip (including the 6" curb), 8' sidewalk, and 3 foot utility strip. 10. The pavement taper on the north should extend from the existing curb line to the north side of the driveway. 11. The rockery immediately south of the street improvements must be tapered back (reconstructed) so that it does not present a traffic concern. 12. Show the existing roadway pavement section. Any part of the existing roadway that doesn't meet the required pavement section must be replaced. Typically the shoulder must be replaced. 13. The minimum pavement section for the entire street must be: 0.30' HMA CL. Yz", PG 64-22, over 0.85' HMA CL. 1" PG 64-22, over 0.50' CSTC. 14. Stationing must be tied to an existing monument. 15. If two utility poles are to be relocated, FWCC Section 16-47 requires that overhead utility lines be relocated underground and the poles removed. 16. Show all utility main connections within Pacific Highway. Utility crossings must be made via bore, not an open cut. Sheet 3 Details 17. Correct the Stormfilter data to include a 7.5 gpm flow rate. 18. Note on the details that both the tank and the Stormfilter must be able to support H-20 live loads. Technical Information Report 19. Please review the 1998 King County Surface Water Design Manual for more detailed information on design and submittal requirements. L:\CSDC\DOCS\SAVE\3517111060. DOC December 8, 2008 Mr. Dale Sweeney 5715 143rd Place SE Bellevue, WA 98006-4341 CaVUL u'15,-4,3 Iro 0- 4C4J.0" roab fsaL �re ,q— RE. Folder No. 08-104264-000-00-SM Holiday Inn Express - 34839 Pacific Hwy S Right -of -Way Modification Response Dear Mr. Sweeney: CJ . �C-40e4l 0-4) • City of Federal Way staff has reviewed your request to locate a driveway near the north property line of this project. The proposed location of this driveway will bring it to within approximately 100 feet (centerline to centerline) of the existing driveway on the adjacent property to the north of your site. The property's southern boundary is approximately 255 feet from the centerline of the driveway to the north; therefore the required driveway spacing of 250 feet cannot be met. A joint access with the property owner to the south has been requested and refused. Given current driveway configurations, staff supports the proposed location of the driveway, however, the driveway wilt be restricted to right inlri ht out. Staff recommends that you continue to pursue a joint access driveway with the property to the south. If you have any questions regarding this matter, please contact me at (253) 835-2730. Sincerely, William Appleton, P.E. Development Services Manager WA\AD:cc cc: Ann Dower, Engineering Plans Reviewer Sanjeev Tandle, Contract Traffic Engineer Project File Day File L: \CSDC\DOCS\SAVE\28042663056. DOC 16 17 S 304rh516p 281h Ave S S 352nd SL• SR 90 - SR 161 SR 1610 S 356 SI 53566L•SR 64-SFI 161 Add NB right -turn lane, si nal Fxlged 21r InAW WUkdttt and eat at SR-99 SR 161.P S 352 St SS5251:SR90 M161 .._� 0 6.712 MIS 5Z00 1,00 3.900 3334 1231 1432 3330 239 - 10 6 0 S9 14 3344 1236 I432 3758 .259 $ 590 $ SAM S 1500 S 136 S 538 S 5.981 S 27153 S s 2,022 S S 7.634 9 SR 99 S 352 st 300 2369 2] 2390 S 41 5 1 118 E 18 SW 3201b St 0 21 eL Ave Sw Inlerconnect to 26th Ave SW with the eddlllon of a 2nd W8lell-lurn lane 4.320 4178 0 4178 $ 1.034 S 19 S 2f811 St. Im A"S -Slh MO Mil Hov IeAas, lo4la filmed rocop I� � r .-i5 23 .. 3 320 SL• 1 Av S- 5 Av S 7.70 3617 0 3617 s 2,146 S S 32a S1:5 Av S'- 6 Am V3 1.761 3852 0 USS S 2Al2 S 20 Mglq Hd S: S Star Lake Rd - S 2fth Si widen to 5lanes. sldewalks, street II his :"-':• 13'D�B • S MI81ar Rd S S Slat Lake Rd 280 1998 0 mil S t6D S MiSta Rd 5: S Star Lake Rd - S 284 SI 6.8601 18001 1800 $ 3,811 $ LUla ry Rd S: S 284 SI - S 286 SI 5.4891 1780 0 1780 S 3.084 MMI.ry Rd S 0 S 288 St 380 3137 0 3137 s 115 S P22M SW 3201h S] 47d1 Ave SW Install Irallic signal 3fi 1340 0 1340 $ 269 $ S 31$Ih S1 nil%Ava S Add S8 " 1-4•lum We 54 1306 0 57l}8 S 413 SW 376th VVy 7SW "It 91I 28d1 Pt SW • Hoyt Rd widen la 6Imm .. Is -it SW 83551 26 PISW :360 2579 1 253D $ 146 S 140 SW 336 WY: 26 PI SW - SW 337 St - 2-Gi3 3447 1 2448 $ 1.067 S 1.067 SW 336 W : SW 337 St • SW 340 PI 1.743 2330 1 2331 $ 7,48 S. 746 SW 340 St SW 340PI - 30 Av SW aul 2259 1 2260 386 S. 386 SW.340SI:30AVSW-35AVSW. 4.356 2455 1 2465 $ 1774 $ 1.774 SW. 340 St C 35 Av SW 607 2469 1 .. 297D S vw $ 20d SW. M S1135 Av SW•38 Av SW 3.484 2044 1 2945 $ 1.704 SW 340 S1 Q Hoyt Rd SW: 1.277 2991 I 427 16 427 Subtotal Capital Projects 207.925 rJ':411 a50d on volu mod on volu m" on volu aced oI volu Adoplad 04-Sep-2007 by Resolution 07-503 FINAL TRANSPORTATION IMPROVEMENT PLAN (TIP) - 2008 TO 2013 Map CAPITAL PROJECTS Pro-rala Share Contributions - Location Oescrl Ilon P 2009 TIP Coat Horizan without New Trips Horizon With Coal Par T614 �+• -� . . . � �,(S1,o0daJ PYolecl Volume Project Volume Trlp P mA. tp 10 Ciiy Canter Access Phase 2 sloy. W,onlnental a to irn rove 9C 5 so C4 Cenlw 3500 Sion 0 6100 $ 574 S tb Gil Confer Access Phasa 3 Add 2nd SB loll -turn lane, 3rd SB riolit-turn lane 2.850 5706 0 5706 $ 499 $ to City Canter Access Phase 4 W26w1332011r Si Sal saver IA rea nioo rem and NB dl.ranl .20.521 610 0 6100 $ 3380 S Add nvv lama. I•lum lone 26E9y nslaR raised medals. xlplk 199 500 - 2 SR 99 HOV Lan as Phase 3:S 2841h SI - SR 509 RodnndnW 73 wdhI elconalkat to 1 f01 Pl S 4:did. SR 99 S 284 SI - S 28B SI 1 033 3351 1 3352 S :Sad S 30B SR 99 52118 SI - SR 509 "2,067 3385 2 3397 S 610 S -915 SR 99 @ SR 509 SR99 SR S09 1411 3877 2 3879 I 41 $ 8.7 SR 99 SR 509 - 18 Av S 1,033 2562 2 PB64 S 361 S 722 SR 509 SR 5o9 16Av Sl katk.mla'Wy S .10 2 2 1923 0 1923 S 4: E 3 S 3461h 8C 91h Ave 6 - SR 97 Add NOV lany9. 2nd Nw 8 Pori 1as9 en SR 90. irlehla raiaud modian. undue round Wli9es 7. _ - . S 349 SI ® 9 Av 3 - 1 ae3 3755 70 3755 I 288 L 2-876 S 368 SL' 9 Av S- SR a9 6,137 2981 to 2992 $ 2,051 $ 20,508 S 343 St O.SRW 542 5628 . 32 5650 $ a9 S SA64 4 S 3201h St Q 1 M A- S Add 2nd NB, WB loll -turn lanes, WB ri hl-turn lanes, widen 1st Ave S to 5lanes Io S 3161h Sl. 12,600 . .S. 5 320 St ® 1 Av S 8.216 5395 . 1 539a $ 1.522 S 1,S22 1 Av S: S 316 $1- S 320 SI _ 8,38q .1922 . 1 59&4 $ 2 0 S 2 280 5 SR 99 Cat S 3561h St Add WB Ihru lane, EB, NB letl-lurn lanes 7.518 4238 �• t 6 S o201n se 081 Am - SR 99Add HOV lorwr, Inilas rAlsed mallon, nndar uulylor 1aw1►1a6nq 16, 523 s7 1 4 $ 1,768 S i S S 97A 91 ! Av us 404A 0 4048 $ 170 S 53265C8Av S-1GgvS 47i6 3891 .-'8 3091 $ 1 12 .3 - 53265r: 10 Rv 8-11 pis." _ 4718. 3715 0 3715 S 1289 S S3205t "PIS 688 4060 0 406a S 169 S " S=Srf1 Pi S -$R 99 4715 3093 0 3093 1524 $ Y 5 3480r SE 15r live S Add %V& 38 -turn Imes. 2nd F.B. WB loll -tarn tones 5,40 44471 9 6 1091 Ave SW JSW 344 dr Si' SW Garr s Dr- 21 st Av Es tend 3-hn4 co4sclan, siiowalky, s0ool to _ .47d ' 4465 $ U12 - A10 907 . 1 •S 1,03 3848 5 3853 S 220 %099 t - - SW-J 4 S L't2 Av SW SW 3-045.17 A, SW 32 0 E2 S 559 L I SW 3445L•17AV SVf-Q1 Rv SW 1.7591 32•6 873 9 1st Avo S 0 S 3261h 51 It1Aef1 riltse9 irri Im fevo razes al 32801 321 S S I 1 M800 2484 2496 S 721 $ 1.442 10 S 320th St ® 201h Ave S PArd 2nd left-luin lanes EH. WB 11 $idl Ape SW SW 336A7 S7 Add 2nd IPiNtirn Inner d roazhns. W B ri 1.]JAn lane 5.760 3838 1 3839 3839 $ 1.500 1.500 $ 1,500 12 SR 09 HC1V L9I1es Phase 4: SR SoO.5 3121n 31 Add HOV Itaca Mudd refeod melon .12-y18 9972 q $ 2.901 $ 9.926 SR 9s: 16pv 3.3364 Sr S 5,597 %31 2970 .2 2972 $ 2,79B SR 99:5304 St S 00051 18 3047 - 2 3049 $ 2327 5.455 SR 99: S3035t-9vo.$1 - 4,158 2B1i 2 2916 5 1.426 2852 13 SR 99 S 3121h St SR 99:S3105i-9312 S[ Add 2nd NB rdli.Ann sari 9I6s 2733 2 2735 $ 1,620 520 S 3041 $ 4,093 14 SW 3129. SI 1LR 509 Add Efl WB lcrmwn fauns 8 568 4185 2 41B7 0411 $ 15 S 3581h SC SR 99 - SR 161 Wldyn to 51 "N ofm saner 9iff—dks UluminAlten 3.698 2084 a 118 $ s. - ;ommente Z2 r c1$Lk Loynd on volu hood on volu lawif on volu I/sQd an volu Site Generated Traffic Evening peak hour trips generated by the proposed project were forecasted. The evening peak hour trips were then distributed and assigned to the adjacent roadways and intersection within the study area using the City's latest transportation model. No reduction in vehicle trips was made to account for a potential shift away from the automobile. ITE trip rates are based on observed vehicle trip patterns at each land use and thereby account for a basic amount of non -auto travel. Trip Generation The project would include construction of a four storey 90 unit hotel. Trips generated by the project were forecasted using trip generation rates found in the 7th Edition of Trip Generation (ITE, 2003). ITE Land Use Code 310 was used to calculate the trip generation. Procedures outlined in ITE's Trip Generation Handbook were used to determine when to use rates or regression equations and calculating weighted averages between different independent variables. These calculations are shown in Appendix A. The project is expected to generate a net total of 53 new evening peak hour trips. Table 2 below summarizes the trip generation for the proposed development. Table 2. Evening Peak Hour Trip Generation Land Use Units Entering Trips Exiting Trips Total Trips Hotel Proposed 90 28 25 53 Nntec- *Sources- Trin Generation (ITE. 7 Edition, 2003), land use code 210 Trip Generation Handbook (ITE, 2°d Edition, 2001) Trip Distribution and Assignment The evening peak hour trips generated by the proposed project were distributed and assigned to the roadway system as shown in Figure 3. The distribution is based on the City's travel demand model, taking into account surrounding land uses and existing traffic patterns. Figure 3 - Evening Peak Hour Project Trip Assignment Holiday Inn Express (08-100490-00-CN) City of Federal Way Transportation Concurrency Analysis Page 10 07/22/08 Use hotel Period WG' ; day Even_ng Street Peak Code 310 Parameter Quantity 90.000 Studies 25 Outliers 2 Lower Data Range 7.S.000 Upper Data Range 450.000 %Entering 53 Rate 0.59 utd Dev 0.80 Equation T,.,pe c efficient A 'Constant C R^2 Data "Close to Kate? Y Data Close to u�;uatioz ? Closest Data Point R Trips by Rate 5J.ly 0.0El 0.00 0.'ti0 Trigs by Equatlor. 0.00 0'•00 `1.00 c'.00 Nithin Data Range? 1'ES I'J NO NO N>27 YES N7 is N,'--; Id"D N-> 1 s? ='ES No NO I'll") Cut1ier0<-_-% NA NSA NTA 1AA L<-intercept NA NA NA NIA \ear 0 ? NA NSA NA NA Std De-;./Ratej1.10'' '11ES IA NA NA R,230.7r? 1.170 NO NO, NI"J RECOMMENDATION STUD STTJD'I S7U.-DY STUDY Trips 0.00 0.00 0.00 0.00 weight by Rate 0.74 0.00 0.00 0. rt0 i'leigl'!t by Equation 0.00 ! .00 0,00 0.00 RESULTS RATE E,eUAT1ON1- A`.ERAGE Weighted Ave -rage 53.10 S-3.10 Entering Trips 28.14 0.00 28.14 Exiting T_I 24.96 13.00 24.96 Pass-pv% 0.009 0. 0 0.009 Total New Trips 53.10 0.00 Entering N-aw Trips 28.14 13.00 Exiting New Trips 24.96 0.00 244.96 Holiday Inn Express (08-100490-00-CN) Transportation Concurrency Analysis City of Federal Way Page 24 07/22/08 FWCP — Chapter Three, Transportation B 1 12' 11' 9d—ik I HOV 11' 11' 6' 12' 11' 12' 6 j V 3' Lek Turn HOV r4rMr I SM.—k eft —12'-16' 2' Median (where LT not needed) 86' 120' 11' 11' 4' i 12' LeftTum �12'—1--14' 12' Median (where LT not needed) 84' 100 Roadway Cross Section A & B HOV 51drxdk Cross Section A 4 Lanes + HOV + Median Cross Section B 4 Lanes + HOV + Median In City Center Ime ud Way FIG. III-3 (a-b) Revised 2003 III-16 Dale,5weenec�, ARCHITECT— 143rd Place S.E. Bellevue, WA 98006 5715 425,260.8969 TO: City of Federal Way ATTN. David Lee -RESUBMITTED AUG 0 7 200 CITY AY D IVG DEPT. W ------ I DATE: 8.03.2009 SUBJECT: Review Comments (File #08-100487-00-UP) Memo PROJECT/LOCATION: Holiday Inn Express/ Federal Way FROM Dale Sweeney This letter is in response to the comments dated July, 02, 2008; changes have been clouded and marked with a delta number 3. Community Design Guidelines, 1. Materials to be used in pedestrian walkways have been indicated on sheet ST1.1 site plan; Stamped concrete to be used. 2. Bicycle racks have been added to sheet ST1.1 site plan. 3.Outdoor furniture, trash receptacle, signs have been added to ST1.1 site plan. Lighting has been indicated on electrical site plan sheet E1.0. Other planning issues, 1. Check with difference in amount has been included with submittal 2. Mitigation proposal package has been added. Site plan ST1.1, 4. Site plan shows frontage improvements. Item 13, The approximate cut and fill quantities are 1,900 cubic yards. Item 14, Runoff source is roof, sidewalks, parking lot and landscape. la-- or Stormwater detention is provided by underground storage pipes with discharge to surface water limited by orifice installed in a flow control manhole. Treatment is provided by manufactured stormfilter technology provided by ConTech. The treatment and detention sizing is based on King County Runoff Time Series method. CC: Dale Sweeney/File 1 F)a1c �5weent_- , ARCHITECT Memo 143rd Place S.E_ Bellevue. WA 98006 5715 425 260.8969 Item 16, The Pacific Highway 206-foot frontage improvements include 12' right-of-way dedication to allow street widening with construction curb, landscape strip and 8-foot sidewalk. There will be one driveway access on Pacific Highway to the site. PW Development Services Item 1. The site civil plans have been revised and an electronic copy of my base drawing is attached. Item 2. The street section has been revised per Ann Dower comments. Item 3. The typical section has been revised to show requested thickness and terminology. Survey Item 2. The January 28, 2008 GeoResources LLC geotechnical report indicates that no groundwater was encountered in the soil borings to depth of up to 10 feet below ground surface. I assume the "tank" referred to in the review comments is the 54-inch diameter stormwater detention pipe. The pipe would be installed at an average depth of 8 feet below ground surface. In addition, the trench backfill and pavement above the pipe will provide sufficient loading to counter any anticipated uplift forces. The Stormwater Facility Summary Sheet in Appendix B is not affected by any revisions made in response to the review comments. The Site Plan in Appendix B is correct. Tables 1 and 2 (page 4 and 5) show the pre -development. CC Dale Sweeney/File FILE CITY OF Federal Way COMMUNITY DEVELOPMENT SERVICES DEPARTMENT STAFF REPORT TO THE FEDERAL WAY HEARING EXAMINER HOLIDAY INN EXPRESS PROCESS IV REQUEST STREAM & WETLAND BUFFER INTRUSION (Federal Way File No. 08-100487-00-UP) PUBLIC HEARING OCTOBER 1, 2009 FEDERAL WAY CITY HALL CITY COUNCIL CHAMBERS 33325 EIGHTH AVENUE SOUTH Table of Contents I. Project Information and Background................................................................................................2 II. Process IV Decision Requested.........................................................................................................3 III. Environmental Review.......................................................................................................---..............3 IV. Comments Received on Application..................................................................................................3 V. Key Elements of Development Plan..................................................................................................4 VI. General Characteristics of Site and Vicinity......................................................................................4 VII. Description of Critical Area ........ .................................................................................................. 4 VIII. Analysis of Requests and Decisional Criteria of FWCC Chapter 22, Article XIV, "Critical Areas" 5 IX. Analysis of Request and Decisional Criteria of FWCC Chapter 22, Article VII. "Process IV Review — Hearing Examiner's Decision"..-------•................................................................................7 X. Findings for Decision .................................... ............................ ....................................................... 8 XI. Staff Recommendation................................................ ........................................... ......................... I I LISTOF EXHIBITS........................................................................................................................................I 1 Report Prepared by: David Lee, Associate Planner September 16, 2009 I. PROJECT INFORMATION AND BACKGROUND Name of Project: Holiday Inn Express City File No(s): 08-100487-00-UP (Related Environmental File No. 08-100489-00-SE) Process IV Request: A proposed stream and wetland buffer intrusion is the subject of the Process IV Review Hearing Examiner's Decision. Staff Recommendation: Approval with conditions. Summary of Proposal: The applicant is requesting to intrude up to 100 feet into a 100-foot major stream buffer and up to 58 feet within a 100-foot Category II wetland buffer for the development of a new 4 story, 91-unit hotel. (Exhibits B and C— Site Plans) Site Location: The site address is 34839 Pacific Hwy S., in Federal Way (ExhibitA- Vicinity Map). Applicant: Dale Sweeney 5715 143rd Place SE Bellevue, WA 98006-5715 Owner: KPR Hospitality Investment LP 220 6t' Avenue, Suite 520 Seattle, WA 98121 Tax Parcel No: 202104-9044 Zoning and Comprehensive Plan Designations: The project site is zoned Commercial Enterprise (CE) and has a comprehensive plan designation of Commercial Enterprise. The proposed hotel use is an allowed use in the CE zoning district. Key Dates: Land Use Application Filed: January 31, 2008 Application Determined Complete: April 19, 2008 Notice of Application Published: April 19, 2008 Determination ofNonsignificance* - (DNS) Issued: August 5, 2009 (*No comments or appeals of the City's Initial SEPA notification were received by the initial comment period. Appeal deadline for the DNS was September 9, 2009, at 5:00pm with no appeals made.) Staff Representative: David Lee, Associate Planner, 253-835-2622 Staff Report to the Federal Way Hearing Examiner Page 2 Holiday Inn Express Process IV Request File No. 08-100487-00-UP/DoG j n. 5io% II. PROCESS IV DECISION REQUESTED The applicant is requesting to intrude into a 100-foot major stream buffer and a 100' Category II wetland buffer for development of a new 4-story, 91-unit hotel. The stream buffer is intruded upon by a stormwater dispersion pipe that discharges from an onsite stormwater detention and treatment facility. The wetland buffer intrusion occurs from a sewer line connection that must be made to a forcemain located in the northwestern portion of the site. Both intrusions are considered temporary intrusions in that the intrusion occurs at the time of installation of the lines. The area of intrusion is to be returned to a more natural state and serve as a more effective wetland/stream buffer function than pre -development. The site is sparsely developed with an existing modular building and helicopter landing pad. The new hotel structure and related improvements (sans the sewer and stormwater line) are proposed to be built outside both the stream and wetland buffer. The project proponents are working in conjunction with the City of Federal Way's Surface Water Management (SWM) division by allowing access and restoration of the stream on the western portion of the site. This capital improvement project (CIP) is proposed as part of the mitigation efforts by the proponents. The applicant is proposing to implement buffer impact mitigation in partnership with the City of Federal Way as follows: direct restoration of the existing stream; permanently separating the human use area of the lot from the remaining buffer with a retaining wall; enhancing 3,000 square feet of existing stream buffer by hand removing invasive species and replanting native species; implementing a 2-year maintenance/monitoring period; and providing a mitigation/enhancement bond of $11,890.00 in the event the City of Federal Way cannot install the necessary mitigative measures. The project site plan (Exhibits B and C) shows the proposed new hotel and associated site improvements in relationship with the 100-foot stream and wetland buffers. Pursuant to Federal Way Ciry Code (FWCC) Chapter 22, Article XIV, "Critical Areas," and FWCC Chapter 22, Article VII, "Process IV Review, Hearing Examiner's Decision," the requested wetland buffer and stream buffer intrusion are subject to Process IV review and a public hearing and decision by the Hearing Examiner. III. ENVIRONMENTAL REVIEW Pursuant to the State Environmental Policy Act (SEPA), the City issued a Determination of Nonsignificance (Exhibit F) for the proposed action on August 8, 2009. During the public comment period on the Determination of Nonsignificance (DNS), no comments were received by the City. (Exhibit E) IV. COMMENTS RECEIVED ON APPLICATION One comment was received on May 5, 2008, during the initial comment period from Yoon B. Kim The comment and the city's response have been included with this report (Exhibit D). Staff Report to the Federal Way Hearing Examiner Page 3 Holiday Inn Express Process IV Request File No. 08-100487-00-UP/vo,.1.D.51006 V. KEY ELEMENTS OF DEVELOPMENT PLAN As context for the Process IV request, the following is an outline of the key elements of the overall site plan for the project: ■ Construction of a new 51,333 square -foot hotel with associated site improvements; ■ Installation of catch basins, surface water treatment, and detention facilities; • Intrusion up to 100 feet into a 100-foot major stream buffer; ■ Intrusion up to 58 feet within a 100-foot Category 1I wetland buffer; ■ Stream and wetland buffer enhancement/mitigation in conjunction with the City of Federal Way's Surface Water Management (SWM) Division Capital Improvement Plan (CIP) project including direct stream restoration. VI. GENERAL CHARACTERISTICS OF SITE AND vlcfmTY The 2.85-acre parcel is currently partially developed with several existing modular buildings. Pacific Hwy South (south bound) is the primary road that services this lot. The site resides in a CE (Commercial Enterprise) zone. A major stream runs through the western quarter of the property, and enters the property from the north from a culvert and flows south within a day -lighted stream bed - The 100' stream buffer (measured from the ordinary high water mark) encumbers approximately one -quarter of the property. A Category II wetland resides on a neighboring property to the northwest. A majority of the associated 100' wetland buffer arcs into the subject property from the northwest. All proposed development, with the exception of the sewer and stormwater drainage line, are outside of both the 100' stream and 100' wetland buffer. The lot is partially developed on the eastern half of the lot, and the western half is sparsely vegetated with the exception of a greenbelt that encompasses the stream Detailed discussion regarding the site characteristics including the on -site stream and neighboring wetland are contained in the March 26, 2008, Technical Information Report for Holiday Inn Express Motel prepared by TRT Engineering (stamped received by the City of Federal Way on April 3, 2008) and the follow up wetland/stream assessment by Raedeke Associates, Inc. dated June 16, 2009 (Exhibits F & G). VII. DESCRIPTION OF CRITICAL AREA As previously mentioned, a major stream runs through the western quarter of the property. The stream enters the property from the north from a culvert and flows south within a day -lighted stream bed. The stream is tributary to the West Hylebos Creek, which contributes to the Hylebos Wetland. No salmonid species are present in the reach of the stream on the Holiday hin Express site. The Category II wetland resides on the parcel northwest of the subject site. The wetland is mainly comprised of a deciduous forest canopy with dense scrub -shrub vegetation on the borders of the wetland. The wetland is encompassed by commercial developments and therefore is isolated from other wetland habitats. The stream is fed by groundwater seeps and stormwater runoff and flows intermittently through the year. Staff Report to the Federal Way Hearing Examiner Page 4 Holiday Inn Express Process IV Request File No. 08-100487-00-UP/D,c_ i.n 51006 VIII. ANALYSIS OF REQUESTS AND DECISIONAL CRITERIA OF FWCC CHAPTER 22, ARTICLE XIV, "CRITICAL AREAS" Stream Buffer Intrusion: The table below analyzes the request to locate improvements within the buffer of a major stream pursuant to the applicable decisional criteria. The decisional criteria that pertain to the proposed development within the.required stream buffer area are contained in FWCC Section 22-1312(c) "Other Improvements." TABLE 1. ANALYSIS OF REQUEST AND "CRITICAL AREA INTRUSION — FOR STREAM SETBACK" DECISIONAL CRITERIA (FWCC SECTION 22-1312( Request: Intrusion into the 100-foot major stream setback Decisional Criteria Staff Analysis "It will not adversely affect This criterion has been met_ The applicant's proposal includes the construction of a new water quality." (Criterion stormwater detention, flow control, and treatment facility directly west of the proposed #1, § 22-1312[c](1) structure. Surface waters are to be captured by several catch basins around the subject site and pipelined to the detention/treatment facility. The treated surface water will then be flow controlled into anew drainage pipe and discharged near the stream. The City of Federal Way will prepare the stream bed around the area of discharge to ensure there is energy dissipation measures in place to receive the new drainage. Furthermore, the new vegetation to be planted as part of the mitigation near the dispersion line will enhance existing water quality for waters not captured by the catch basins. The applicant must also provide and implement a temporary erosion and sedimentation control plan for the project. "It will not adversely affect This criterion has been met. The intrusion into the stream buffer will not affect the wildlife the existing quality of as the existing site is mainly composed of maintained grassy areas and invasive species wildlife habitat within the such as blackberries. The applicant and the City of Federal Way have proposed to stream or setback area." implement several mitigations to improve the quality of the stream wildlife habitat (Criterion #2, § 22- including the hand removal of invasive species and the planting of more thick native plants 1312[c](2) and trees, which will provide an overall better habitat than the existing conditions. Additionally, the City of Federal Way is proposing to rehabilitate the stream itself. A bond for the mitigation work for the areas disturbed by the surface water drainage line will be provided by the applicant in the event the City of Federal Way can not complete the proposed project. The bond will be released once the work has been completed except for the monitoring bond. "It will not adversely affect This criterion has been met. As previously stated, the applicant's proposal includes the drainage or stormwater construction of a new detention and treatment facility directly west ofthe proposed retention capabilities." structure. Surface waters are to be captured by several catch basins around the subject site (Criterion #3, § 22- and pipelined to the detention/treatment facility_ The treated surface water will then be flow 1312 c.)(3) controlled into a new drainage pipe and discharged near the stream. "It will not lead to unstable This criterion has been met. As previously stated, the applicant will be required to develop earth conditions nor create and implement a temporary erosion and sediment control (TESC) plan. Construction of the erosion hazards." (Criterion site in accordance with final storm drainage, grading, and erosion control plans, subject to #4, § 22-1312[c](4) City review and approval, will ensure no adverse impact to earth conditions_ Furthermore, the City will recommend that a professional engineer monitor and administer the recommendations of the geotechnical report and also execute the Best Management Practices (BMP's) as recommended by the geotechnical report_ "It will not be materially This criterion has been met. As previously stated, the applicant will be required to develop detrimental to any other and implement a temporary erosion and sediment control (TESC) plan. Construction of the property in the area nor to site in accordance with final storm drainage, grading, and erosion control plans, are subject the City as a whole, to City review and approval, and will ensure the proposal will not result in detrimental including loss of open impacts to any other property or the City as a whole. The proposal includes implementation space." (Criterion #5, § 22- of several mitigation elements within the buffer, which are intended to enhance the stream 1312[c](5) buffer areas. Flooding of downstream properties is not an anticipated effect of this proposal. There will be no loss of designated opens aces as a result of this project. Staff Report to the Federal Way Hearing Examiner Page 5 Holiday Inn Express Process N Request File No. 08-100487-00-UP/Doc. ID 51006 TABLE 1, ANALYSIS OF REQUEST AND "CRITICAL AREA INTRUSION — FOR STREAM SETBACK" DECISIONAL CRITERIA (FWCC SECTION 22-1312(f} R uest: Intrusion into the 100-foot major stream setback Decisional Criteria Staff Analysis "It is necessary for This criterion has been met. Due to the medium dense to dense, well graded, and cemented reasonable development of nature of the native glacial till soils that underlie the site, on -site infiltration of stormwater the subject property." is not feasible. Furthermore, due to capacity loads of the stormwater system of the northern (Criterion #6, § 22-1312[c] adjacent parcel and recent construction of city street improvements, the applicant would (6)- not be able to connect to that system. Connection to the stormwater system across Pacific Hwy South to the Federal Way Crossings development would be infeasible due to the fact a drainage basin exists underneath Pacific Hwy South between the proposed development and Federal Way Crossings. The only other connection point for surface water drainage would be 3561h & Pacific Hwy South. Due to the distance of this connection point, it has been deemed unreasonable to connect at that juncture. Therefore, it has been determined that onsite detention, treatment, and controlled release of surface waters near the stream is necessary for reasonable development of the subject property as any other development of the site would face the same restraints. The entirety ofthe remaining proposed development is outside of the 100' stream buffer. A retaining wall is proposed between the proposed development and the stream buffer to prevent further intrusion and/or untreated surface water. Additionally, the opened trenching for the proposed storm drain line is a temporary intrusion as it will be returned to an enhanced condition. Therefore, the City has determined that the proposed storm drain line is sited in the most optimal location to allow for reasonable development of the subject property based upon physical characteristics of the project and sound engineering practices. The City is recommending that the proposed storm drainage line not be within the eastern ordinary high water mark and should be marked prior to development activity. Additionally, the stream buffer boundary will be conditioned to be demarcated by signage and aeeaining wall as devicted on the site elan. Category II Wetland Buffer Intrusion: The table below analyzes the request to locate improvements within the buffer of a Category II Wetland pursuant to the applicable decisional criteria. The decisional criteria that pertain to the proposed development within the required wetland buffer area are contained in FWCC Section 22-1359(f) "Other Improvements". TABLE 2. ANALYSIS OF REQUEST AND "CRITICAL AREA INTRUSION -- FOR WETLAND SETBACK" DECISIONAL CRITERIA FWCC SECTION 22-1359 Request: Intrusion into the 100-foot Category II Wetland setback Decisional Criteria Staff Analysis "It will not adversely affect This criterion has been met. The applicant's proposal includes the construction of a new water quality." (Criterion stormwater detention, flow control, and treatment facility directly west of the proposed #1, § 22-1359[f](1) structure. Surface waters are to be captured by several catch basins around the subject site and pipelined to the detention/treatment facility. The treated surface water will then be flow controlled into a new drainage pipe and discharged near the stream_ The City of Federal Way will prepare the stream bed around the area of discharge to ensure there are energy dissipation measures in place to receive the new drainage. Furthermore, the new vegetation to be planted as part of the mitigation near the dispersion line will enhance existing water quality for waters not captured by the catch basins. The applicant must also provide and im lement a tem orary erosion and sedimentation control plan for the project. "It will not adversely affect This criterion has been met_ The intrusion into the wetland buffer will not affect the the existing quality of wildlife as the existing site is mainly composed of maintained grassy areas and invasive quality of the wetland's or species such as blackberries. The applicant and the City of Federal Way have proposed to buffer's wildlife habitat." implement several mitigations to improve the quality of the wetland wildlife habitat (Criterion #2, § 22- including the hand removal of invasive species and the plantin& of native woody Staff Report to the Federal Way Hearing Examiner Page 6 Holiday Inn Express Process 1V Request File No. 08-100487-00 UP/noc. i-n. 5ioo6 TABLE 2. ANALYSIS OF REQUEST AND "CRITICAL AREA INTRUSION — FOR WETLAND SETBACK" DECISIONAL CRITERIA (FWCC SECTION 22-1359 Request: Intrusion into the 100-foot Category II Wetland setback Decisional Criteria Staff Analysis 1359[f] (2) vegetation. A bond for the mitigation work for the areas disturbed by the surface water drainage line will be provided by the applicant so that in the event the City of Federal Way can not complete the proposed project, funds will be available to complete the work. The bond will be released once the work has been completed except for the monitoring bond. "It will not adversely affect This criterion has been met. As previously stated, the applicant's proposal includes the drainage or stormwater construction of a new detention and treatment facility directly west of the proposed retention capabilities." structure. Surface waters are to be captured by several catch basins around the subject site (Criterion #3, § 22- and pipelined to the detention/treatment facility_ The treated surface water will then be flow 1359[f](3) controlled into a new drainage pipe and discharged near the stream. Additionally, the particular location of the sewer line does not currently provide stormwater retention capabilities and topographical differences between pre- and post -development are negligible- The stormwater line will not affect drainage patterns within the buffer. "It will not lead to unstable This criterion has been met. As previously stated, the applicant will be required to develop earth conditions nor create and implement a temporary erosion and sediment control (TESC) plan. Construction of the erosion hazards_" (Criterion site in accordance with final storm drainage, grading, and erosion control plans, subject to #4, § 22-1359[f](4) City review and approval, will ensure no adverse impact to earth conditions. Furthermore, the City will recommend that a professional engineer monitor and administer the recommendations of the geotechnical report and also execute the Best Management Practices (BMP's) as recommended by the geotechnical report_ "It will not be materially This criterion has been met. As previously stated, the applicant will be required to develop detrimental to any other and implement a temporary erosion and sediment control (TESC) plan. Construction of the property in the area nor to site in accordance with final storm drainage, grading, and erosion control plans, are subject the City as a whole, to City review and approval, and will ensure the proposal will not result in detrimental including loss of open impacts to any other property or the City as a whole. The proposal includes implementation space." (Criterion 45, § 22- of several mitigation elements within both buffers, which are intended to enhance the 1359 [f](5) stream and wetland buffer areas. Flooding of downstream properties is not an anticipated effect of this proposal. There will be no loss of designated open spaces as a result of this pro ect_ IX. ANALYSIS OF REQUEST AND DECISIONAL CRITERIA OF FWCC CHAPTER 22, ARTICLE VII, "PROCESS IV REVIEW — HEARING EXANHNER'S DECISION" In addition to the decisional criteria noted in the table above, pursuant to FWCC Section 22-445[c] [ 1-5], the Hearing Examiner may approve the stream buffer intrusion request only if the following Process IV decisional criteria are met. Decisional criteria and staff comments are provided below. TABLE 3. ANALYSIS OF HEARING EXAMINER REVIEW PROCESS IV DECISIONAL CRITERIA FWCC SECTION 22-445(c) Decisional Criteria Staff Analysis It is consistent with the This criterion has been met. The comprehensive plan is used, among other comprehensive plan. documents, as a basis for implementing regulations such as zoning and the (Criterion 41, § 22- State Environmental Policy Act (SEPA). The proposed single-family 445[c](1)) residence, of which the Process IV request is a component, has undergone SEPA review, and must comply with the Federal Way Comprehensive Plan (FWCP). The Process IV request was reviewed and determined to be consistent with the following goals and policies contained in FWCP, Natural Environment, Streams and Lakes (Surface Water): Staff Report to the Federal Way Hearing Examiner Page 7 Holiday Inn Express Process IV Request File No. 08-100487-00-UP/Doc. I.D. 51006 TABLE 3. ANALYSIS OF HEARING EXAMINER REVIEW PROCESS IV DECISIONAL CRITERIA FWCC SECTION 22-445(c Decisional Criteria Staff Analysis "The City will seek to retain native vegetation within riparian corridors. New planting of vegetation with the approval from the City maybe required where such re -vegetation will enhance the corridor's function. Consideration should be given to the removal of non-native invasive species." (Goal NEP33, FWCP) "The City encourages private donations of land or conservation easements for sensitive areas and their associated buffers." (Goal NEP6, FWCP) It is consistent with all This criterion has been met_ The Process IV request has been reviewed under SEPA; applicable provisions of the FWCP; all applicable provisions of FWCC Chapter 22, "Zoning'; all applicable this chapter and all other decision criteria pursuant to FWCC Chapter 22, Article XIV, "Critical Areas"; FWCC applicable laws. Chapter 22, Article VII, "Process IV Review -Hearing Examiner's Decision"; and is (Criterion #1, § 22- consistent with all applicable provisions and laws, provided all recommended 445[c](2)) conditions of approval are met. It is consistent with the This criterion has been met. The proposed stream buffer intrusion and proposed public health, safety, and mitigations are consistent with the public health, safety, and welfare. No new impacts welfare. (Criterion #1, § to the streams are anticipated as a result of the proposal. The Process IV request has 22-445[c](3)) been reviewed under SEPA; the FWCP; all applicable provisions of FWCC Chapter 22, Zoning'; all applicable decision criteria pursuant to FWCC Chapter 22, Article XIV, "Critical Areas"; FWCC Chapter 22, Article VII, "Process IV Review -Hearing Examiner's Decision"; and is consistent with all applicable provisions and laws, rovided all recommended conditions of approval are met. The streets and utilities This criterion has been met. The Process IV stream buffer and wetland buffer intrusion in the area of the subject request does not by itself generate demand on adjacent streets and utilities. However, property are adequate to construction of the proposed hotel will be required to facilitate development related serve the anticipated traffic, as required by the FWCC and FWCP. No significant adverse transportation or demand from the utility impacts were identified by the City of Federal Way in the DNS issued for the proposal. (Criterion #1, § proposed action. 22-445 c (4)) The proposed access to This criterion has been met. The proposed access and configuration is at the optimal the subject property is at location for purposes of roads or driveways. the optimal location and configuration for access. (Criterion #1, § 22- 445 [c] (5)) X. FINDINGS FOR DECISION Based on an analysis of the Process TV application, the environmental record, and applicable decisional criteria, the Department of Community Development Services finds that: 1. The applicant is requesting an intrusion into environmentally critical areas: a major stream, requiring a l 00-foot buffer, and a Category II wetland buffer also requiring a l 00-foot buffer. The applicant has requested intrusions into the critical area buffers located on the site, in order to facilitate development of a new hotel. The stream and wetland buffer intrusions are limited to a stormwater drainage line within the stream buffer, a sewer line within the wetland buffer, and associated mitigation work. 2. The stream buffer intrusion is necessary for commercial development of this property. Due to the medium dense to dense, well graded, and cemented nature of the native glacial till soils that Staff Report to the Federal Way Hearing Exarmner Page 8 Holiday Inn Express Process IV Request File No. 08-100487-00-UP/Doc I D 51006 underlie the site, on -site infiltration of stormwater is not feasible. Furthermore, due to capacity loads of the stormwater system of the northern adjacent parcel and recent construction of city street improvements, the applicant would not be able to connect to that system Connection to the stormwater system across Pacific Hwy South to the Federal Way Crossings development would be infeasible due to the fact a drainage basin exists underneath Pacific Hwy South between the proposed development and Federal Way Crossings. The only other connection point for surface water drainage would be 3561h & Pacific Hwy South. Due to the distance of this connection point, it has been deemed unreasonable to connect at that location. Therefore, it has been determined that onsite detention, treatment, and controlled release of surface waters near the stream is necessary for reasonable development of the subject property as any other development of the site would face the same restraints. 3. The wetland buffer intrusion is necessary for commercial development of this property. The sewage force main running north/south on the western half of the subject property is the closest point of connection with the least impacts. Due to recent city street improvements, the applicant would not be able to connect to sewage lines to the north of the subject property. The existence of a drainage basin underneath Pacific Hwy South would preclude the connection of the subject property to the connection point at Federal Way Crossings. Due to the nature, size, scope, geology, and environmentally critical areas associated with the development of the site as a hotel, the use of on -site septic systems is not feasible. Therefore, connection to the existing sewage force main is the only viable solution. An analysis of the proposed point of connection was completed. A determination was made that the proposed point of connection at the existing manhole would provide the least impact to the wetland buffer as a closer point of connection would require the replacement of a large section of the force main, therefore creating more soil disturbance to more sensitive areas of the stream buffer. 4. Pursuant to the State Environmental Policy Act (SEPA), the City issued a Determination of Nonsignificance (DNS) for the project on August 8, 2009. The City's Responsible SEPA Official reviewed the environmental checklist and Process IV request and determined that application of all City of Federal Way codes, policies, and regulations will adequately address any environmental impacts related to the Process IV request. 5. The project proponents are working in conjunction with the City of Federal Way's Surface Water Management (SWM) division by allowing access and restoration of the stream on the western portion of the site. This capital improvement project (CIP) is proposed as part of the mitigation efforts by the proponents. The applicant is proposing to implement buffer impact mitigation in partnership with the City of Federal Way as follows: direct restoration of the existing stream; permanently separating the human use area of the lot from the remaining buffer with a retaining wall; enhancing 3,000 square feet of existing stream buffer by hand removing invasive species and replanting native species; implementing a 2-year maintenance/monitoring period; and providing a mitigation/enhancement bond of $11,890.00 in the event the City of Federal Way cannot install the necessary mitigative measures. 6. The applicant and the City of Federal Way have proposed to implement several mitigations to improve the quality of the stream wildlife habitat including the hand removal of invasive species and the planting of more thick native plants and trees, which will provide an overall better habitat than the existing conditions. Additionally the City of Federal Way, as a component of the previously mentioned CIP, is proposing to rehabilitate the stream itself. A Staff Report to the Federal Way Hearing Examiner Page 9 Holiday Inn Express Process IV Request File No. 08-100487-00-UP/Doc. I.D. 51006 bond for the mitigation work, in the amount of $11,890, for the areas disturbed by the surface water drainage line will be provided by the applicant; in the event the City of Federal Way can not complete the proposed project, funds will be available to complete the work. The bond will be released once the work has been completed except for the monitoring bond. It is expected that the Surface Water Management Division (SWM for the City of Federal Way) stream restoration project will be constructed during the summer of 2010 or at the latest the summer of 2011. If development occurs on the subject property ahead of the SWM CIP project, then all restoration work associated with the private development will be completed as part of the SWM project. If the SWM project is constructed ahead of the private development, then SWM will coordinate with the property owners to have all work within the buffers completed ahead of the balance of the development. The developer will be responsible for the cost of stubbing out the proposed utilities. Once this work is accomplished, the restoration work will be completed by SWM as part of the CIP project. If the SWM project is completed ahead of the private development and the proposed work in the buffer areas (installation of sewer and storm lines) is not completed, then the developer will be responsible for restoration of the area impacted as described in the Raedecke Associates environmental report and the approved site plan. 7_ The application was reviewed and it was found that the stormwater drainage line intrusion into the 100' stream buffer setback meets the decisional criteria of FWCC Section 22-1312(f), allowing intrusion into the 100-foot setback of a major stream, provided all recommended conditions of Process IV approval are met. The analysis of the stream buffer intrusion contained in Table 1, Section IX of this report is incorporated by reference as though set forth in full. 8. The application was reviewed and it was found that the sewer line intrusion into the 100' Category II wetland buffer setback meets the decisional criteria of FWCC Section 22-1359(f), allowing intrusion into the 100-foot setback of the Category I1 wetland, provided all recommended conditions of Process IV approval are met. The analysis of the stream buffer intrusion contained in Table 2, Section IX of this report is incorporated by reference as though set forth in full. 9. The application was reviewed and it was found that the Process IV decisional criteria of FWCC Section 22-445 has been met provided all recommended conditions of Process IV approval are met. The analysis contained in Section IX of this report is incorporated by reference as though set forth in full. 10. Reports, letters, and plans submitted by the applicant for the Process IV request and reviewed by the City are identified in the exhibits list below. The reports, letters, and plans are incorporated by reference as though set forth in full. 11. Implementation of a final Mitigation Plan and all recommended conditions of project approval, and the City's review and approval of final construction drawings pursuant to all applicable codes and development regulations, will ensure that the project results in no adverse affect on: water quality; quality of wildlife habitat; drainage or stormwater retention capabilities; earth stability and erosion; and other property in the area or the City as a whole. Staff Report to the Federal Way Hearing Examiner Page 10 Holiday Inn Express Process N Request File No. 08-100487-00-UP/Doc i D 51006 XI. STAFF RECOMMENDATION Based on the above analysis, the Department of Community Development Services recommends approval of the stream and wetland buffer intrusion to allow development of the subject property as depicted on the site plan Exhibit B, subject to the conditions listed below: 1. The stream buffer boundaries established by the final site plan and buffer mitigation/ enhancement plan shall be reflected on all applicable construction drawings and permits. The retaining wall shall be constructed at the location identified on the site plan. In addition, prior to issuance of a construction permit, the applicant shall provide the City of Federal Way a mitigation bond for the amount of $11,890. Prior to the issuance of the Certificate of Occupancy for the building permit, either the applicant or the City of Federal Way Surface Water Management division shall submit a fully detailed mitigation planting plan. Once the mitigation plan has been implemented by either the applicant or the City of Federal Way, the mitigation bond will be released with the exception of the funds for a 2-year monitoring/maintenance period for buffer enhancements around the sewer and storm drainage lines. 2. The development activity shall not take place within the stream's ordinary high water mark (OHWM) as demarcated by the site plan stamped received on June 18, 2009. 3. Prior to issuance of a certificate of occupancy for the hotel, the applicant shall record with the King County Recorders Office, the site plan and conditions approved by the Hearing Examiner under this application, and a separate document officially denoting the presence of critical areas on the site. LIST OF ExunrrS Note: Copies of the exhibits listed below are not attached to all copies of this report. All exhibits have been provided to the Hearing Examiner. Copies of exhibits may be obtained upon request at the City of Federal Way's Department of Community Development Services. A. Vicinity Map. B. Civil Plan Drawing 1 (Grading & Utility Plan) prepared by TRT Engineering Inc; Stamped "Resubmitted" by the City of Federal Way June 18, 2009. C. Landscape Plan L-1 prepared by Jeffrey Glander & Associates, PLLC; Stamped "Resubmitted" by the City of Federal Way June 18, 2009. D. Comment Letter from Yoon B. Kim, Stamped Received by the City of Federal Way May 5, 2008 and reply letter by David Lee, Associate Planner, City of Federal Way. E. SEPA Determination of Nonsignificance and Final Staff Evaluation issued August 8, 2009. F. Technical Information Report for Holiday Inn Express prepared by TRT Engineering; Stamped Resubmitted April 3, 2008, by the City of Federal Way. G. Environmental Response Report prepared by Raedeke Associates, Inc; Stamped Resubmitted June 18, 2009. Staff Report to the Federal Way Hearing Examiner Page l 1 Holiday Inn Express Process N Request File No. 08-100487-00-UP/Doc I D 51006 Federal Way HOLIDAY INN EXPRESS FINDINGS FOR PROJECT APPROVAL FILE #08-100487-00-UP FILE The following are findings for recommending approval of a new 91-room hotel located at 32839 Pacific Hwy South. The applicant proposes the construction of a 4-story, 51,333 square -foot suite hotel with 91 guest rooms, 92 parking stalls, and related site improvements on a 124,104 square -foot property. Zoning for the subject site is Commercial Enterprise (CE). Hotel uses are permitted in the CE zoning district pursuant to Federal Way City Code (FWCC) Section 22-869, requiring Process III, Project Approval and environmental review under the State Environmental Policy Act (SEPA). The Federal Way Comprehensive Plan (FWCP) designation for the subject site is Commercial Enterprise. However, due to the intrusion into environmentally sensitive areas (100' major stream buffer and 100' Category H wetland buffer), the project was reviewed under Land Use Process 17V: Hearing Examiner. The City issued a Notice of Land Use Application on April 19, 2008, following determination of a complete application. A fourteen -day comment period resulted from the notice date, and the City received onecomment on the land use application. 4. The responsible official of the City of Federal Way issued a Determination of Nonsignificance (DNS) on August 12, 2009, pursuant to the State Environmental Policy Act (SEPA). The fourteen -day comment period concluded with no written comments submitted, and the fourteen -day appeal period for the determination was completed on September 9, 2009, with no appeals filed. The final staff evaluation for the environmental checklist, Federal Way File #08- 100489-60-SE is hereby incorporated by reference as though set forth in full. 5. The subject site is located at 34839 Pacific Hwy South on parcel #202104-9044. 6. Drainage components will utilize a variety of methods to provide on -site detention and water quality treatment, in order to meet the requirements of Level 1 flow control and resource stream water quality as specified in the 1998 King County Surface Water Design Manual (KCSWDM) and City addendum to the manual. The revised Technical Information Report (TIR) prepared by TRT Engineering, dated March 26, 2008, indicates that the on -site storm drainage -system will provide Level 1 detention and Resource Stream Water Quality Protection. Current stormwater runoff is by sheet flow to the stream. Stormwater runoff from the proposed impervious areas will be conveyed via inlets and storm piping, which will direct all runoff to the proposed stormwater system for conveyance to the proposed facility. Stormwater will be treated and managed on site within an underground detention facility located near the mid -southwest portion of the property. The detention facility will discharge to a control structure, which will limit the release of flows leaving the site. Runoff from the control structure will be conveyed to a Contech Stormwater Solutions treatment unit, which consists of 7 filters. :r 7. Access to the subject site will be from Pacific Hwy South. Per Street Modification request #08- 104264-00-SM, staff supports the proposed location of the driveway; however, the driveway will be restricted to right in/right out. The proposed location of this driveway will bring it to within approximately 100 feet (centerline to centerline) of the existing driveway on the adjacent property to the north of your site. The property's southern boundary is approximately 255 feet from the centerline of the driveway to the north, therefore, the required driveway spacing of 250 feet cannot be met. A joint access with the property owner to the south has been requested and refused. SR-99 is planned as a Type "A" street, consisting of a 90-foot street with curb and gutter, six-foot planter strips with street trees, eight -foot sidewalks, and street lights in a 124-foot right-of-way. Twelve feet right-of-way will be dedicated and half -street improvements will be installed and will be measured from the street centerline. Under FWCC Section 22-869, parking for hotel uses is based on one parking stall for each guest room; the 91-room hotel requires 91 parking stalls. The applicant will provide 92 parking stalls on site. 9. Generally, hotels located in the CE zoning district must be set back a minimum of 5' from all property lines. However, per FWCC Section 22-869 note #2, due to the increased height over the outright allowed 40' above average building elevation, an additional foot of setback is required for each foot of height above 40'. The proposed hotel is 44.5' above average building elevation. Therefore, an additional 4.5 feet must be added to each building setback, requiring a minimum of 9.5 feet from all property lines. As proposed, the building is setback 118 feet from the eastern property line, 26 feet from the northern property line, 200+ feet from the western property line, and 38 feet from the southern property line. The proposed building meets all required building setbacks. 10. The proposed 44.5-foot building height complies with the maximum height for hotels permitted under FWCC Section 22-869. As prescribed by FWCC Section 22-869 Note #2, the criteria for increased height over 40' has been met. The increased height is necessary to accommodate the structural, equipment, and operational needs of the hotel. The hotel is not located within 100' of a residential zone. The building meets the additional setback requirements of 4.5 feet per property line. The roof has been designed to avoid a predominantly flat and featureless appearance through variations in roof height, form, materials, and angles. 11. Landscape plans prepared by Jeffrey Glander & Associates PLLC, stamped resubmitted August 7, 2009, depict the required width of perimeter landscape areas pursuant to FWCC Section 22-1566(i), CE zoning. Interior parking lot landscaping in the amount of twenty-two square feet per parking stall or 2,024 square feet have been depicted.. Significant trees retention requirements are not applicable as there are no trees to be removed. Final landscape plans will be reviewed with construction permits to ensure compliance with the FWCC. 12. The project embodies site and building design principles consistent with the requirements of the Community Design Guidelines (FWCC Chapter 22, Article XIX). A porte cochere on the northern facade visually connects the entrance to Pacific Hwy South and architecturally emphasizes the major entrance into the building, and incorporates pedestrian oriented architectural treatments including a four-story glass lobby, a modulated wall plane, architecturally capped columns near the top of the facade, and guest room windows. The southern facade features a second story pedestrian plaza/deck area, foundation level landscaping, and facade modulations. The western facade contains pedestrian pathways, and a pedestrian friendly ground -level arcade with seating. The rectangular building features layered angled roof line designs, intermittently dotted with semi - Holiday Inn Express Page 2 Findings for Project Approval g g J PP File #08-100487-00-UP/m�. iD.siio3 circular dormers. The first quarter of the elevation features a mix of China white colored stucco trim, brick, and guest windows. The mid level elevations continue this theme; however, incorporate fiber/cement panels colored in Amarillo. The oval 4,850 square -foot entrance plaza that encircles the porte cochere will feature stamped concrete to set it apart from the driveway. A pedestrian walkway from Pacific Hwy South is incorporated through the Type III landscaping on the eastern property line and is connected to the hotel's sidewalk system via a stamped concrete pedestrian walkway across the parking lot drive -aisle. Each building fagade generally meets the fagade treatment options in FWCC Section 22- 1635(b), through the above -noted use of building modulation, arcades, entry plaza, and landscaping. Since all facades incorporate more than two fagade treatment options, dimensions of each option are modified as allowed by code. The patio on the west and southern facades faces the parking lot so as to provide on -going surveillance of these public areas. 13. The applicant submitted a Concurrency application, which has been reviewed by Public Works Traffic staff. The staff report of the Concurrency analysis identifies required mitigation measures for Process IV Project Approval, addresses any failures of the City's Level of Service (LOS) standard, and provides for the collection of pro-rata share mitigation towards the City's Transportation Improvement Plan (TIP) projects impacted by the proposed development. The final staff evaluation for the Concurrency application, Federal Way File #08-100490-00-CN, is hereby incorporated by reference as though set forth in full. Prior to issuance of any construction permits for the proposed development, the applicant shall pay at the maximum the project pro-rata share contribution in the amount of $152,033 to the City in order to mitigate the impacts of 84 new trips generated by the project and meeting the LOS standards. Transportation Improvement Plan projects impacted are listed below. The fees owed are subject to change. N _=< Add HOV lanes, 2nd SB left -turn lane @ 288th, SR 99 HOV Lanes Phase install raised median, signal @ SR 509 @ Redondo 141 2 3: S 284th St - SR 509 Wy S with interconnect to 1 lth Pl S $2,028 S 348th St: 9th Ave S - Add HOV lanes, 2nd NB left -turn lane on SR 99, 138 3 SR 99 install raised median, underground utilities $26,499 Add 2nd NB, WB left -turn lanes, WB right -turn 131 4 S 320th St @ 1st Ave S lanes, widen 1st Ave S to 5 lanes to S 316th St. $3,803 102 5 SR 99 a S 356th St Add WB thru lane, EB, NB left -turn lanes $22,984 Add WB, SB right -turn lanes, 2nd EB, WB left- 135 7 S 348th St A 1st Ave S turn lanes $10,907 loth Ave SW / SW 344th St: SW Campus Dr - 21st 146 8 1 Ave SW Extend 3-lane collectors, sidewalks, street lights $1,099 Holiday Inn Express Page 3 Findings for Project Approval File #08-100487-00-UP/rb,. i.n- 5ll0 148 9 1st Ave S (a`. S 328th St Install raised median, improve access at 328th $1,442 139 10 S 320th St @ 20th Ave S Add 2nd left -turn lanes EB, WB $1,500 2lst Ave SW @ SW Add 2nd left-tum lanes all approaches, WB right- 170 11 336th St turn lane $9,926 SR 99 HOV'Lanes Phase 159 12 4: SR 509 - S 312th St Add HOV lanes, install raised median $16,945 171 13 SR 99 na, S 312th St Add 2nd NB left -turn lane $4 093 S 356th St: SR 99 - SR Widen to 5lanes, bike lanes, sidewalks, 157 15 161 illumination $33,134 S 352nd St: SR 99 - SR Extend 3 lane principal collector and signal at SR- 151 17 161 99 $11,274 SW 336th Wy / SW 340th 168 23 St: 26th PI SW - Hoyt Rd Widen to 5 lanes $6,449 F-- Total S 1}:F33 14. Receptacles for garbage and recycling are proposed to be stored at the southwest corner of the subject property in an enclosure flanked by landscaping. Final approval of design of the garbage/recycling area will be reviewed under the associated building permit. 15. It is expected that the Surface Water Management (SWM) stream restoration project will be constructed during the summer of 2010 or at the latest the summer of 2011. If development occurs on the subject property ahead of the SWM Capital Improvement Project (CIP), then all restoration work associated with the private development will be completed as part of the SWM project. If the SWM project is constructed ahead of the private development, then SWM will coordinate with the property owners to have all work within the buffers completed ahead of the balance of the development. The developer will be responsible for all costs of installing the proposed utilities. Once this work is accomplished, the restoration work will be completed by SWM as part of the CIP proj ect. If the SWM project is completed ahead of the private development and the proposed work in the buffer areas (installation of sewer and storm lines) is not completed, then the developer will be responsible for restoration of the area impacted as depicted on the site plan and the Raedecke Associates environmental report. 16. The proposed site plan application and application attachments have been determined to be consistent with the FWCP, with all applicable provisions of the FWCC, and with the public health, safety, and welfare. The streets and utilities in the area of the subject property are adequate to serve the anticipated demand from the proposal, and the proposed access to the subject property is at the optimal location and configuration for access. 17. The proposed development is consistent with Process IV, Hearing Examiner Decision, in regards to the Director's decision decisional criteria required under FWCC Section 22-438. It is consistent with the site design standards set forth in FWCC Section 22-1634, consistent with applicable supplemental guidelines set forth in FWCC Section 22-1638, and is consistent with Article XIX "Community Design Guidelines" of the FWCC. Holiday Inn Express Page 4 Findings for Project Approval File #08-100487-00-UP/Doo. I.D. 51103 The proposed site plan and application attachments have been reviewed for compliance with the FWCP, pertinent zoning regulations, and all other applicable City regulations. Final construction drawings will be reviewed for compliance with specific regulations, conditions of approval, and other applicable City requirements. This decision shall not waive compliance with future City of Federal Way codes, policies, and standards relating to this development. Prepared by: David Lee, Associate Planner Holiday Inn Express Findings for Project Approval Date: September 10, 2009 Page 5 File #08-100487-00-UP/Doc LD.51103 ....... .. .. ............... ............... .................. ........... m w -NORTH ELEVATION P)MB vdSn=APPDMCE ATTO ",a,; )POFFORODM k I YPIT OF PORM FF4kTRWFI, V. WESTELEVATION SOUTH ELEVATION � IWRECEMELFA-, QTLelaM .......... cu-, W. EAST ELEVATION MAMW - ----- lqo 9`0 ------ -- - -- ------ ---- 8" P� IA 72" PVC ----Lj;.--225.4 - te m A 7EXT �-S 7H* )< S Rl �2440.5=1= 1 aw N 4 9 2. 12 vlpk r6 )HM. * 1_L- 72" PVC; IE=225.4 .wr I JI I "I I + r _ "I ! _� -� 234 I ► + f 8" PVC II !I IE=234.71 7 �22V� SS MH rn = 240.5f B 231.1 Of _ `r9 4z 3 SFI ' 9 I I �I I 251. 1 VI� I I 80244. f-'1C 14' � MH I I i..W.� wm".40 3e ommendati `• r, C 3: t...... ons 1.01 T7. CITY OF FEDERAL WAY NOTICE OF PUBLIC HEARING Notice is hereby given that the City of Federal Way Hearing Examiner will hold a public hearing at 2:00 p.m., or shortly thereafter, on October 1, 2oo9, in Federal Way City Council Chambers (33325 81h Avenue South, PO Box 9718, Federal Way, WA 98063) for the following project, in accordance with the Federal Way City Code (FWCC). Project Name: Holiday Inn Express Description: Variance to temporarily intrude intoa Category it wetland butter and 1 oo' major stream buffer for the purposes of utility connections for a new 51,333 squareioot, 4-story, 91-unit hotel with associated site improvements. Buffer will be restored to full width and mitigation measures installed. Project Location: W29 Pacific Hwy South (Parcel if202104-9044) Applicant: dale Sweeney, 5715 143rd Place SE. Bellevue, WA 9Bp06 Owner: KPR Hospitality Investmenis LP, 2200 Pith Avenue, Suite 520, Seattle, WA 98121 File No: 07-100413-00-UP Application Received: January 31. 2008 Determined Complete -.April 19, 2008 Notice of Application: April 19, 2008 Public Hearing Process: Any person may participate in the public hearing by submitting written comments to the Hearing Examiner either by delivering comments to the Department of Community Development Services thehearingthe hearing, or by appearing at e and presenting public testimony in person, or through a representative. The Hearing Examiner will issue a recommendation on the Use Process IV application within ten working days after the close of the hearing. Any person has the right to request a copy of the Hearing Examiner's decision. Only persons who submit written or oral comments to the Hearing Examiner may appeal the Hearing Examiners decision. The application is to be reviewed under all applicable codes, regulations, and policies of the City of Federal Way. The official file for the above project is available for review during business hours at the permit counter at City Hall, 33325 8th Avenue South, PO Sox 9718, Federal Way, WA 98063. The staff report to the Hearing Examiner will be available for review one week before the hearing. Questions regarding this project should he directed to David Lee, Associate Planner, at 253-835.2622. FWM 1582 Date of Publication: September 12, 2009 FEDERAL WAY - --- iV1____R_R0R A SOUND PUBLISHING NEWSPAPER Affidavit of Publication Rudi Alcott, being first duly sworn on oath, deposes and says that he is the Publisher of The Federal Way Mirror, a semi -weekly newspaper. That said newspaper is published in the English language continually as a semi -weekly newspaper in Federal Way, Icing County, Washington, and is now and during all of said time has been printed in an office maintained by the aforementioned place of publication of said newspaper. That the annexed is a true copy of a legal advertisement placed by City of Federal Way — Community Development Department FWM 1582 as it was published in regular issues (and not in supplemental form) of said newspaper once each week for a period of one consecutive week(s), commencing on the 12th day of Se tember 2009 , and ending on the 12th day of Se tember 2009 both dates inclusive, and that such newspaper was regularly distributed to its readers during all of said period. That the full amount of the fee charged for the foregoing publication is the sum of 103.82 which amount has been paid in full, or billed at the legal rate according to RCW 65.16,090. Subscribed to and sworn before me this 20th day of October. 2009. Notary Public in and for the State of Washington, Residing at Federal Way fdeP�- NOTARY PUBLIC STATE OF WASHINGTON TERYL A. HELLER My Appointment Expires Sept. 04, 2012 1414 S. 324fh STREET, SUITE B210, FEDERAL WAY, WA 98003 0 253-925-5565 ■ f A 25253-925-5750 CITY OF FEDERAL WAY Act Rules pursuant to RCW 43.31C.060. This NOTICE OF ENVIRONMENTAL information is available to the public on request. DETERMINATION OF NONSIGNIFICANCE This DNS is issued under WAC 197-11-340(2), The lead agency will not act on this proposal Midway Samoan Assembly of God Church for 14 days from the date below. Comments File No.07-101137-00-SE must be submitted by September 30, 2009. You may appeal this determination to Greg Fewins. Description- Proposed action is to replace an Director of Community Development Services, existing churcti facility with a new 49x60' pre- at the City of Federal Way (33325 8th Avenue engineered steel building with associated site South. P❑ Box 9718, Federal Way, WA 98063- improvements. project also proposes to intrude 9718) no later than 5:00 p.m. on October 14, into a 100' Category tI Wetland buffer by up to 2009. The appeal must be in the form of a 15, written letter stating the reason for [he appeal of the determination. The appeal letter must snake Applicant: The Nishimura Associates, 12737 specific factual objections. Bel -Red Road, Suite 220, Bellevue, WA 98005 FVdfA 1583 , Location: 29276 Military Rd. S., Federal Way, Date of Publication: September 16, 2009 WA 98023 Lead Agency: City of Federal Way Department of Community Development Services Staff Contact: David Lee, Associate Planner, 253-835-2622 The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2) (c). This decision was made after review of a completed environmental checklist, Federal Way Comprehensive Plan, final staff evaluation for this action, and other municipal policies, plans, rules, and regulations designated as a basis for exercise of substantive authority under the Washington State Environmental Policy FEDERAL WAY 1 _ IRROR A SOUND PUBLMING NEWSPAPER Affidavit of Publication Rudi Alcott, being first duly sworn on oath, deposes and says that he is the Publisher of The Federal Way Mirror, a semi -weekly newspaper. That said newspaper is published in the English language continually as a semi --weekly newspaper in Federal Way, King County, Washington, and is now and during all of said time has been printed in an office maintained by the aforementioned place of publication of said newspaper. That the annexed is a true copy of a legal advertisement placed by City of Federal Way — Community Development Department FWM 1583 as it was published in regular issues (and not in supplemental form) of said newspaper once each week for a period of one consecutive weeks), commencing on the 16th day of September, 2009, and ending on the 16th day of September. 20�09 both dates inclusive, and that such newspaper was regularly distkibuted to its readers during all of said period. That the full amount of the fee charged for the foregoing publication is the sum of 115.36 which amount has been paid in full, or billed at the legal rate according to RCW 65.16.090. Subscribed to and sworn before me this 20th day of Oct 2009. Notary Public in and for the State of Washington, Residing at Federal Way NOTARY PUBLIC STATE OF WASHINGTON TERYL A. HELLER My Appointment Expires Sept. 04, 2012 1414 S. 324fh STREET, SUITE 8210, FEDERAL WAY, WA 98003 0 253-925-5565 E f A X: 253-925-5750 FILE NOTICE OF PUBLIC HEARING Notice is hereby given that the City of Federal Way Hearing Examiner will hold a public hearing at 2:00 p.m., or shortly thereafter, on October 1, 2009, in Federal Way City Council Chambers (33325 8th Avenue South, PO Box 9718, Federal Way, WA 98063) for the following project, in accordance with the Federal Way City Code (FWCC). Project Name: Holiday Inn Express. Description: Variance to temporarily intrude into a Category I1 wetland buffer and 100' major stream buffer for the purposes of utility connections for a new 51,333 square -foot, 4-story, 91-unit hotel with associated site improvements. Buffer will be restored to full width and mitigation measures installed. Project Location: 34829 Pacific Hwy South (Parcel #202104-9044) Applicant: Dale Sweeney, 5715 143`d Place SE, Bellevue, WA 98006 Owner: KPR Hospitality Investments LP, 2200 61h Avenue, Suite 520, Seattle, WA 98121 File No: 07-100413-00-UP Application Received. January 31, 2008 Determined Complete: April 19, 2008 Notice of Application: April 19, 2008 Public Hearing Process: Any person may participate in the public hearing by submitting written comments to the Hearing Examiner either by delivering comments to the Department of Community Development Services before the hearing, or by appearing at the hearing and presenting public testimony in person, or through a representative. The Hearing Examiner will issue a recommendation on the Use Process IV application within ten working days after the close of the hearing. Any person has the right to request a copy of the Hearing Examiner's decision. Only persons who submit written or oral comments to the Hearing Examiner may appeal the Hearing Examiner's decision. The application is to be reviewed under all applicable codes, regulations, and policies of the City of Federal Way. The official file for the above project is available for review during business hours at the permit counter at City Hall, 33325 8`h Avenue South, PO Box 9718, Federal Way, WA 98063. The staff report to the Hearing Examiner will be available for review one week before the hearing. Questions regarding this project should be directed to David Lee, Associate Planner, at 253-835-2622. Published in the Federal Way Mirror on September 12, 2009. Doc I.D 51464 f � CITY OF Federal September 11, 2009 Dale Sweeney Dale Sweeney Design 5715 143rd Place SE Bellevue, WA 98006 CITY HALL Way 33325 8th Avenue Guth'LE Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www.cityoffederalway.com RE: File #08-100487-00-UP; HOLIDAY INN EXPRESS 34839 Pacific Hwy South, Federal Way Dear Mr. Sweeney: This design decision is issued for the above -referenced project pursuant to Federal Way City Code (FWCC) Section 22-438, "Director's Decision;" and FWCC Article XIX, "Community Design Guidelines." The proposed development is for a new 51,333 square -foot, 4-story, 91 unit hotel with associated site improvements. Proposal also includes intrusion into Category H wetland buffer and major stream buffer for the purposes of utility connection. Buffer will be restored to full width and mitigation measures installed. DESIGN APPROVAL ISSUANCE AND EFFECT The Community Design Guidelines components of the project are hereby conditionally approved pursuant to decision criteria set forth in FWCC Section 22-43 8. This decision is also based on the conclusions drawn from the Statement of Facts (Exhibit A) issued by the Department's Planning Division and Exhibits B & C prepared by Dale Sweeney, resubmittal date August 7, 2009. This decision does not take effect unless and until the Hearing Examiner issues Process Iil approval and it does not authorize the applicant to conduct any development activities on the site. CONDITIONS OF APPROVAL 1. Prior to issuance of the building permit, the Typical Street Section on sheet 2 of the civil plans must be corrected. The curb must be shown as 6" and the planter strip must be shown. The cross section must also include street trees and streetlights. Tapers will be determined during building permit review. 2. A streetlight plan must be submitted and approved for the frontage along Pacific Hwy South prior to the issuance of the building permit. 3. A developer extension agreement must be executed with Lakehaven Utility District prior to the issuance of the building permit. 4. A total of two fire hydrants must be on site in a South King Fire & Rescue approved location prior to issuance of the certificate of occupancy of the building permit. 5. A revised complete drawing for the trash enclosure must be submitted and approved prior to the issuance of the certificate of occupancy of the building permit. The trash enclosure must meet the requirements of FWCC 22-1564(d) and FWCC 22-949. r W. Sneney September 11, 2009 Page 2 STATE ENVIRONMENTAL POLICY ACT THRESHOLD DETERMINATION Pursuant to Washington Administrative Code 197-11-340, the city's Responsible Official issued a Determination of Nonsignificance (DNS) on August 12, 2009. Comment period ended on August 26, 2009, with no comments received. Appeal period ended on September 9, 2009, with no appeals received. REQUESTS FOR CHANGE OF VALUATION Any affected property owners may request a change in valuation for property tax purposes, not withstanding any program of revaluation. APPEALS Pursuant to FWCC Section 22-438(h), this decision may be appealed by the applicant, anyone who submitted comments, or anyone who has specifically requested the decision. The appeal must be filed in writing with the City Clerk within 14 calendar days of the issuance date of the decision and must include the following: a statement identifying the decision being appealed; a copy of the decision; a statement of the alleged errors in the decision (including identification of specific factual findings and conclusions of the decision being disputed); the appellant's name, address, and telephone number; and the applicable appeal fee. Any appeal of this decision will be heard by the Federal Way Hearing Examiner concurrently with the Process IV hearing associated with the application. CLOSING Information used in preparing the design decision such as drawings, specifications, and details are available upon request during normal business hours at the Department of Community Development Services (33325 8ffi Avenue South, PO Box 9718, Federal Way, WA 98063-9718). Copies of specific information may also be obtained by written request to the City Clerk at the above -referenced address. If you have any questions regarding this decision, please contact David Lee, Associate Planner, at 253-835- 2622 or david.lee@cityoffederalway.com. Sincerely,/4,6-1 Y `fit, -- Greg Fewins, Director Community Development Services ATTACHMENTS: Exhibit A: Statement of Facts Exhibit B: Site Plan Exhibit C: Elevation Drawings prepared by Jack A. Ross Architect c: Yoon B. Kim Days Inn 34827 Pacific Hwy S. Federal Way, WA 98003 08-100487 Doe. I.D. 51102 DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 81h Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 '✓�"✓�"✓J. C I i v Jt I $�:.� �� t7 � t^1,=! V_i=l_f'l1 DECLARATION OF DISTRIBUTION 1, a hereby declare, under penalty of perjury of the laws of the State of Wa hington, that a: ❑ Notice of Land Use Application/Acfion ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ❑ Notice of Land Use Application & Anticipated DNS/MDNS ❑ FWCC Interpretation ❑ Other ❑ Land Use Decision Letter Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document was ❑ mailed ❑ faxed ❑ e-mailed and/or i posted to or at each of the attached addresses on - 2009. Project Name File Number(s) 100z4t3 -00-tA Signature Date C? "L01 K:\Intern\Declaration of Distribution with Posting Sites.doc/Last printed 9/11 /2009 11:32:56 AM Posting Sites: Federal Way City Hall - 33325 8th Avenue Federal Way 32Vh Branch Library -848 South 3201h Street Subject Site - 34829 Pacific Hwy South: Holiday Inn Express K:\Intern\Declaration of Distribution with Posling Sites.doc/Last printed 9/11 /2009 11:32:56 AM CITY OF Federal Way NOTICE OF PUBLIC HEARING Notice is hereby given that the City of Federal Way Hearing Examiner will hold a public hearing at 2:00 p.m., or shortly thereafter, on October 1, 2009, in Federal Way City Council Chambers (33325 8`h Avenue South, PO Box 9718, Federal Way, WA 98063) for the following project, in accordance with the Federal Way City Code (FWCC). Project Name: Holiday Inn Express Description: Variance to temporarily intrude into a Category Il wetland buffer and 100' major stream buffer for the purposes of utility connections for a new 51,333 square -foot, 4-story, 91-unit hotel with associated site improvements. Buffer will be restored to full width and mitigation measures installed. Project Location: 34829 Pacific Hwy South (Parcel #202104-9044) Applicant: Dale Sweeney, 5715 1434 Place SE, Bellevue, WA 98006 Owner: KPR Hospitality Investments LP, 2200 6`h Avenue, Suite 520, Seattle, WA 98121 File No: 07-100413-00-UP Application Received: January 31, 2008 Determined Complete: April 19, 2008 Notice of Application: April 19, 2008 Public Hearing Process: Any person may participate in the public hearing by submitting written comments to the Hearing Examiner either by delivering comments to the Department of Community Development Services before the hearing, or by appearing at the hearing and presenting public testimony in person, or through a representative. The Hearing Examiner will issue a recommendation on the Use Process IV application within ten working days after the close of the hearing. Any person has the right to request a copy of the Hearing Examiner's decision. Only persons who submit written or oral comments to the Hearing Examiner may appeal the Hearing Examiner's decision. The application is to be reviewed under all applicable codes, regulations, and policies of the City of Federal Way. The official file for the above project is available for review during business hours at the permit counter at City Hall, 33325 8`h Avenue South, PO Box 9718, Federal Way, WA 98063. The staff report to the Hearing Examiner will be available for review one week before the hearing. Questions regarding this project should be directed to David Lee, Associate Planner, at 253-835-2622. Published in the Federal Way Mirror on September 12, 2009. Doc- 1.D- 51464 o. FedA0';:ttN;P eral Way DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 8th Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 www. ci tvoffe d era lwa y_ca m DECLARATION OF DISTRIBUTION I, hereby declare, under penalty of perjury of the laws of the State of Washington, tha a: ❑ Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ❑ Notice of Land Use Application & Optional DNS/MDNS ❑ FWCC Interpretation ❑ Other was �rnailed ❑ faxed 2009. Project Name File Number(s) Signature ❑ Land Use Decision Letter Ef Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document ❑ e-mailed and/or ❑ posted to or at each of the attached addresses on 7-/b0Y Date 9 -/1 -0 K:\CD Administration Res\Declaration of Dlstribution.doc/Last printed 1 /5/2DD9 3:44.00 PM Alk CITY OF 4�k� Federal Way NOTICE OF PUBLIC HEARING Notice is hereby given that the City of Federal Way Hearing Examiner will hold a public hearing at 2:00 p.m., or shortly thereafter, an October 1, 2009, in Federal Way City Council Chambers (33325 8`h Avenue South, PO Box 9718, Federal Way, WA 98063) for the following project, in accordance with the Federal Way City Code (FWCC). Project Name: Holiday Inn Express Description: Variance to temporarily intrude into a Category II wetland buffer and 100' major stream buffer for the purposes of utility connections for a new 51,333 square -foot, 4-story, 91-unit hotel with associated site improvements. Buffer will be restored to full width and mitigation measures installed_ Project Location: 34829 Pacific Hwy South (Parcel #202104-9044) Applicant. Dale Sweeney, 5715 143`d Place SE, Bellevue, WA 98006 Owner: KPR Hospitality Investments LP, 2200 6ch Avenue, Suite 520, Seattle, WA 98121 File No: 07-100413-00-UP Application Received. January 31, 2008 Determined Complete: April 19, 2008 Notice of Application: April 19, 2008 Public Hearing Process: Any person may participate in the public hearing by submitting written comments to the Hearing Examiner either by delivering comments to the Department of Community ty Development Services before the hearing, or by appearing at the hearing and presenting public testimony in person, or through a representative. The Hearing Examiner will issue a recommendation on the Use Process IV application within ten working days after the close of the hearing. Any person has the right to request a copy of the Hearing Examiner's decision. Only persons who submit written or oral comments to the Hearing Examiner may appeal the Hearing Examiner's decision. The application is to be reviewed under all applicable codes, regulations, and policies of the City of Federal Way. The official file for the above project is available for review during business hours at the permit counter at City Hall, 33325 8`h Avenue South, PO Box 9718, Federal Way, WA 98063. The staff report to the Hearing Examiner will be available for review one week before the hearing. Questions regarding this project should be directed to David Lee, Associate Planner, at 253-835-2622. Published in the Federal Way Mirror on September 12, 2009. Doe I D 51464 January 14th, 2008 City of 3(.4 Parcel City Federal Way 33325 Bth Ave S. P.O. Box 9718 Federal Way Notification area (206) - 800Federal35-700Way 98063 0 www.cftyoffederalway.com Mind.9062 750451- Q 2021 pia174 9062 889700- 75d451 �� Academv 202104 0040 - 9176 202104 809700- 0060 9107 889700. 0055 202104- 202104- 0005 '- - - - 202104- 9175 9160 9173 r 869700- !r A 0060 J 9W90- 926480- 202104- - B6.9700- 0050 = 215470- 215470- 9064 - Oi5 D 0110 0070 - - 889700 N 202104- ! ' ^ 0 075 - - - - -- - N - 9025 869700- 215470- 0080 - Q. 0060 202104- 20055 - - - 215470- 215470- = - C 9065 955 BB9700- 114040- 202104- 0100 0080 ~ 215470- D085 0000 9166 0050 889700- U) ___ - 5 0090 2331459264B0- A _5;j4Tta zt05�4700. 0015 �L B097ao- 926480- �. i '; 0095 0040 E _ 202104- 215470- 215470- 202104- 9133 �1�- 202104- 202104-` _ 9124 D0010 0020 200300 9060 9021 9088 889700- !� _454- 8B9700- Moo 0115 N _ _ . 202104- i R4 II 9028 202104- 202104- 9034 9007 202104- 9140 202104 -J - -... _ _ - ^- _ "- - • • - 9042 85- 185295165295- 150080 0090 0100 2,04- � Federat 045 - -Federa- ay101105- 8529South .1B5295 Y�QrQZ/i WaPark y �____p9W 006° Crossings __ - o ll- ___ __ __Q� 165295- Q 202104- 9054 185295- ,85295- 0010 ' 0170 T ---R'rde- - rrrrVll."�� - _� _ 202104 18520 _ W 9163 ouzo 202104- 202104- 202104- 9155 91.2 9131 202104- 9027 292104- 9040 292104- 9151 292104- 912B 292104 9010 292104- 9127 Legend King County Tax Parcels Subject Property Notified Properties 9 104- _ 43 1104- 053 202104- 9059 292104- 9046 202104- 9116 185295- 0030 1 B5295- 0040 S 352ND ST 29D,4 292104 99fi N 096 iL 9048 Q ,`4 a C9 W 292104- 04 9158 4< 29049 RECEIVEEZ W 292104- 2992211104- 1 .l8�r1�• JAN 3 12009 'M 292104- 9125 9159 CITY OF FEDERAL W�y 292104- 292104_ zszlo4- 9090 9036 CDS 9003 CITY OF Scale: A Federal Way ^' 0 125 250 Feet N I I This map is intended for use as a graphical representation only The City of Federal Way makes no warranty as to its accuracy. Listing of Taxpayer Names and Mailing Addresses (Prepared 1/14/2008 and does NOT include Condominium Owners) # TAXLOT ID# TAXPAYER NAME ATTN: LINE ADDRESS LINE #1 ADDRESS LINE #2 1 1852950010 FANA FED WAY CROSSINGS 12819 SE 38TH ST SUITE 34 BELLEVUE WA 99006 2 1852950050 TRINAF FEDERAL WAY CROSSING 12819 SE 38TH ST #34 BELLEVUE WA 98006 3 1852950060 TRINAF FEDERAL WAY CROSSING 12819 SE 38TH ST #34 BELLEVUE WA 98006 4 1852950070 TRINAF FEDERAL WAY CROSSING 12819 SE 38TH ST #34 BELLEVUE WA 98006 5 2021049027 YEN FLORA Attn: 85 KU-YEN ST KAOI-ISIUNG 804 TAIWAN 00000 6 2021049028 KING COUNTY Attn: 500 KC ADMIN BLDG 500 4TH AVE SEATTLE WA 98104 7 2021049042 REINHARD ERNEST A+CORNERSTO 28727 PACIFIC HWY S FEDERAL WAY WA 98003 8 2021049045 KIM YOON BAE 34827 PACIFIC HWY S FEDERAL WAY WA 98003 (. 2021049131 LAKEHAVEN UTILITY DISTRICT PO BOX 4249 FEDERAL WAY WA 98063 10 2021/4914/ MWCH INVESTMENT PROPERT 5312 PACIFIC HWY E TACOMA WA 98424 11 2021049155 BARKSHIRE GERALD B 15551 SUNNY COVE DR SE OLALLA WA 98359 12 2021049163 1 BARKSHIRE GERALD B 15551 SUNNY COVE DR SE OLALLA WA 98359 12 Records Returned Mailing Labels! RECEIVED JAN 31 Z008 CITY OF FEDERAL WAY CDS DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 81h Avenue South PO Box 9718 CITY OF Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 Federal Way www.citvoffederalway.corn DECLARATION OF DISTRIBUTION I, tY, ar hereby declare, under penalty of perjury of the laws of the State of Washington, that a: ❑ Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ❑ Notice of Land Use Application & Optional DNS/MDNS ❑ FWCC Interpretation ❑ Other ❑ Land Use Decision Letter Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document was ❑ mailed ❑ faxed AIe-mailed and/or ❑ posted to or at each of the attached addresses on !1 2009. Project Name4pI�, File Number(s) Signature 0-7—/Oby/ E Date % D r 6 K:\CD Administration Res\Declaration of Dlstribution.doc/Last printed 1 /5/2009 3:44b0 PM CITY .O"�tY�ciCw,�•`�`' Federal Way NOTICE OF PUBLIC HEARING Notice is hereby given that the City of Federal Way Hearing Examiner will hold a public hearing at 2:00 p.m., or shortly thereafter, on October 1, 2009, in Federal Way City Council Chambers (33325 8t' Avenue South, PO Box 9718, Federal Way, WA 98063) for the following project, in accordance with the Federal Way City Code (FWCC). Project Name: Holiday Inn Express Description: Variance to temporarily intrude into a Category II wetland buffer and 100' major stream buffer for the purposes of utility connections for anew 51,333 square -foot, 4-story, 91-unit hotel with associated site improvements. Buffer will be restored to full width and mitigation measures installed. Project Location: 34829 Pacific Hwy South (Parcel #202104-9044) Applicant: Dale Sweeney, 5715 143d Place SE, Bellevue, WA 98006 Owner: KPR Hospitality Investments LP, 2200 6"' Avenue, Suite 520, Seattle, WA 98121 File No: 07-100413-00-UP Application Received: January 31, 2008 Determined Complete: April 19, 2009 Notice ofApplication: April 19, 2008 Public Hearing Process: Any person may participate in the public hearing by submitting written comments to the Hearing Examiner either by delivering comments to the Department of Community Development Services before the hearing, or by appearing at the hearing and presenting public testimony in person, or through a representative. The Hearing Examiner will issue a recommendation on the Use Process IV application within ten working days after the close of the hearing. Any person has the right to request a copy of the Hearing Examiner's decision. Only persons who submit written or oral comments to the Hearing Examiner may appeal the Hearing Examiner's decision. The application is to be reviewed under all applicable codes, regulations, and policies of the City of Federal Way. The official file for the above project is available for review during business hours at the permit counter at City Hall, 33325 8`h Avenue South, PO Box 9719, Federal Way, WA 98063. The staff report to the Hearing Examiner will be available for review one week before the hearing. Questions regarding this project should be directed to David Lee, Associate Planner, at 253-835-2622. Published in the Federal Way Mirror on September 12, 2009. Doc. I.D. 51464 Tamara Fix From: Teryl Heller [the]ler@fedwaymirror.com] Sent: Thursday, September 10, 2009 12:07 PM To: Tamara Fix Subject: Re: Legal Notice - Holiday Inn Attachments: 25006024013.doc; ATT00001.htm Thanks, Tamara. Will publish on 9/12 as requested. Enjoy the weekend! Teryl On Sep 10, 2009, at 10:41 AM, Tamara Fix wrote: Please publish the following legal notice (Holiday Inn Hearing, 07-100413) in Saturday's (Sept. 12, 2009) issue. Please confirm and issue an affidavit of publication. I understand there are more notices coming, so be on the lookout... 1 z.�?�fZfiL3'Lt "I expect to Maass thf-O g ; this world but once. Any good that I can do, or any kindness I can show, let fne do it now." CITY 4$pbk%kum � OF Federal Way Project Name: DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 8'h Avenue South PO Box 9718 Federal Way WA 98063-9718 253-8352607;Fax 253-835-2609 www, city off'ed-ralway. com SIGN INSTALLATION CERTIFICATE Project File No: - (y0 Project Address:�OsCi Installed By: _ � .�- � Date of Installation: -- c) ,9 Location of Installation: 2A 56a i aiai aH ai aA ai as ai ai }:g aC ad ai Ili afl ■➢ 11:i 69 Y1 ■� ai ai ai a9 ai ai ai ai ■i ■i al al ■ @Y. !�i: !mil! :#C +fie. :i#w. •1@F. !��'. pF !#T. :'ypF �#F::�I. :a#T: !qp� :#F !AA Y. !#4:Y 4A F.„#fr. {l�Y: `#). ?#F:!#f I hereby testify that the sign installed fully complies with the installation standards of the Department of Community Development Service's "Instructions for Obtaining & Posting Public Notification Signs" and that the sign will be maintained until a final decision is issued on the land use action. I understand that failure to return this certificate within five days of posting may result in delays, notice of corrections, and re -mailings at the applicant's expense. � installer' Name Installer's Signature Date f,�s s_ - /- ado Phone Bulletin 4036 — August 18, 2004 Page 1 of 1 k:\Handouts\Sign Installation Certificate 4V& 6 & 14 '—) & & lt� "11'r '�y U ft 6 1p— 6. 6 6 6 444 '- 11401� qq�" 111�r4zqql 4 �� Federal Wa WILL CALL Item(s) Will Be Held For Two Weeks Date: r Via: (Courier Service, UPS, Other Third Party) Company: Staff: Extension: Type of Item: Item For: ' Pick Up ❑ Signature ❑ Other Fee? ❑ YES*NO "(If yes, please aw Ahee schedule; do not calculate tax) Item Picked Up By: Initials: Date: 9 D 33325 Eighth Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 www-cityaffederalway,corn Your Item Is Being Returned To You For Non Pick Up Date: K M Administration FilesMill Call Sheetdoc CITY OF FEDERAL WAY DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL DATE: TO: FROM: FILE NUMBER(S): RELATED FILE NOS.: PROJECT NAME: PROJECT ADDRESS: August 10, 2009 Ann Dower, Development Services Soma Chattopadhyay, PW Traffic Scott Sproul, Assistant Building Official Brian Asbury, Lakehaven Utility District Chris Ingham, South King Fire & Rescue David Lee 08-100487-00-UP None HOLIDAY INN EXPRESS 34839 PACIFIC HWY S ZONING DISTRICT: CE PROJECT DESCRIPTION: Construction of a new 4 story, 90 unit hotel with associated site development. LAND USE PERMITS: Preliminary Plat, SEPA PROJECT CONTACT: DALE SWEENEY DESIGN DALESWEENEY 5715143RDPLSE MATERIALS SUBMITTED: Site Plan Landscape Plan Civil Drawings Electrical Photometrics Response Letter DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES RESUBMITTED 33325 8' Avenue South PO Box 9718 AUG 200g Federal Way WA 98063-9718 Q 253-835-2607; Fax 253-835-2609 CITB�LWAY DING DEPT. RESUBMITTAL INFORMATION This completed form MUST accompany all resubmittals. **Please note: Additional or revised plans or documents for an active project will not be accepted unless accompanied by this completed form. Mailed resubmittals that do not include this form or that do not contain the correct number of copies will be returned or discarded. You are encouraged to submit all items in person and to contact the Permit Counter prior to submitting ifyou are not sure about the number of copies required. ** ANY CHANGES TO DRAWINGS MUST BE CLOUDED. ' 1 Project Number: Project Name: 00(+ �Z liln CK �S 22 C Project Address: Project Contact: ! ��7 f� 5 vy_r �l�� Phone: *Z S Z6 O RESUBMITTED ITEMS: # of Copies "` Detailed Description of Item lJ �ICG�%r c ' If� ■� ! C ** Always submit the same number of copies as required for your initial application." AResubmittal Requested by: Lka- Letter Dated: 1 1 Ptan Member DFFIC. USE Dft' RESUB #.• y Disftibution Date.- Dept/Div Name # Description Building Planning PW Fire Other Bulletin #129 —April 21, 2009 Page 1 of 1 1c:\IlandoutsNResubmitUd Information Dale 15weenerJ, ARCHITECT RESUBMITTED 1 3rd Place S.E- Balfev42 2 ©M09 5115 AUG 0 7 2009 ciTBo�oEwarol��P TO: City of Federal Way ATTN: David Lee ---------- -....---------- ------- -------..--....._- SUBJECT: Review Comments (File #08-100487-00-UP) ------------- ------------- ----------------------------- ..------------ DATE: 8.03.2009 Memo PROJECT/LOCATION: Holiday Inn Express/ Federal Way ------------- ---------------------- FROM Dale Sweeney This letter is in response to the comments dated July, 02, 2008; changes have been clouded and marked with a delta number 3. Communh Design Guidelines 1. Materials to be used in pedestrian walkways have been indicated on sheet ST1.1 site plan; Stamped concrete to be used. 2. Bicycle racks have been added to sheet ST1.1 site plan. 3.Outdoor furniture, trash receptacle, signs have been added to ST1.1 site plan. Lighting has been indicated on electrical site plan sheet E1.0. Other planning issues, 1. Check with difference in amount has been included with submittal 2. Mitigation proposal package has been added. Site plan ST1.1 4. Site plan shows frontage improvements. Item 13, The approximate cut and fill quantities are 1,900 cubic yards. Item 14, Runoff source is roof, sidewalks, parking lot and landscape. Item 15 Stormwater detention is provided by underground storage pipes with discharge to surface water limited by orifice installed in a flow control manhole. Treatment is provided by manufactured stormfilter technology provided by ConTech. The treatment and detention sizing is based on King County Runoff Time Series method. CC: Dale Sweeney/File 1 Dale 5weeneq Memo 143M Place S.E. Bellevue, WA 98006 5715 425.260.8969 Item 16, The Pacific Highway 206-foot frontage improvements include 12' right-of-way dedication to allow street widening with construction curb, landscape strip and 8-foot sidewalk. There will be one driveway access on Pacific Highway to the site. PW Development Services Item 1. The site civil plans have been revised and an electronic copy of my base drawing is attached. Item 2. The street section has been revised per Ann Dower comments. Item 3. The typical section has been revised to show requested thickness and terminology. Survey Item 2. The January 28, 2008 GeoResources LLC geotechnical report indicates that no groundwater was encountered in the soil borings to depth of up to 10 feet below ground surface. I assume the "tank" referred to in the review comments is the 54-inch diameter stormwater detention pipe. The pipe would be installed at an average depth of 8 feet below ground surface. In addition, the trench backfill and pavement above the pipe will provide sufficient loading to counter any anticipated uplift forces. The Stormwater Facility Summary Sheet in Appendix B is not affected by any revisions made in response to the review comments. The Site Plan in Appendix B is correct. Tables 1 and 2 (page 4 and 5) show the pre -development. CC: Dale Sweeney/File 2 CITY OF 4i�. Federal July 31, 2009 Dale Sweeney Dale Sweeney Design 5715 143rd Place SE Bellevue, WA 98006 CITY HALL FILE 33325 8th Avenue South y Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www.cityoffederalway.com RE: File #08-100487-00-UP; HOLIDAY INN EXPRESS 34839 Pacific Hwy South, Federal Way Dear Mr. Sweeney: A review of your resubmittal for the Land Use Process IV and SEPA Checklist has been completed. Please see the following comments from each department regarding your project. Planning, David Lee (253-835-2622, david.lee@cityoffederalway.com) Landscaping 1. It appears from the site plan that the applicant proposes to utilize "Floppy Disk" Cinquefolia and "Otto Luyken" Laurel to satisfy the requirements of Federal Way City Code (FWCC) Section 22- 1567(e), parking areas/screening for rights -of -way. The code section requires that screening of parking areas from rights -of -way be achieved through the incorporation of landscaped berms at least three feet (36") in height, or equivalent vegetation. Both the proposed shrubs appear to have a maximum height of 24 inches. Please demonstrate how these species are a sufficient substitute for a landscaped three-foot berm. It may be advisable that the applicant use taller and thicker species for the purposes of screening. 2. All trash receptacles must be screened. All trash enclosures shall be screened from abutting properties and/or right-of-way by 100% sight -obscuring fence or wall and Type III landscaping must surround the wall/fence. Please incorporate this on your site plan and provide an elevation of the -trash enclosure. Other Planning Issues Any and all outfall and development must be outside of the ordinary high-water mark (OWHM) of the stream. Development activity within the stream's OWHM may be subject to an Army Corps of Engineer's 404 Work Permit. PW Development Services, Ann Dower (253-835-2732, ann.dower@cityoffederalway.com) The information provided on June 18, 2009, has been reviewed. Many of the revisions required in the previous review were not addressed: Mr,, Sweeney July 31, 2009 Page 2 The site plan, civil drawings, and landscape plan must all show the same site layout. Please correct. Note that if the architectural site plan is correct, the storm treatment facility may need to be relocated in order to be accessible for maintenance, and no catch basins or structures may be within the dumpster area. Grade dumpster area to avoid draining into the storm system. 2. On sheet 2 of the civil plan set, the required street cross section is as follows: The right-of-way width must be a total of 62' between curb and centerline, assuming a symmetrical cross section. The 5' dedication shown is insufficient. In addition, the proposed street width is incorrectly shown and must be widened to 45', curb to centerline. A 6' planter strip must be provided between the curb and 8' sidewalk. Show accurately in all plan views and in cross section. 3. Please correct the pavement depths for Pacific Highway as follows: 0.30'HMA CL %2", PG 64-22, over 0.85' HMA CL 1", pg 64-22, over .50' CSTC. Landscape Plan 1. The landscape plan must accurately reflect the frontage improvements and provide approved street trees within the planter strip. Street trees must be 2.5" caliper, and selected from the following: • Acer rubrum `Red Sunset', `October Glory', or `Autumn Blaze' (Red Maple) ■ Fraxinus americana `Rosehill' or Fraxinus oxycarpa `Raywood' (Rosehill or Raywood Ash) • Under Power Lines: Acer griseum (Paperbark Maple) or Carpinus japonica (Japanese Hornbeam) 2. The landscape plan must include restoration of the stream buffer where the stormwater discharge pipe will be installed. 3. Please note that a separate meter, controller, and irrigation system must be provided for the public right-of-way. This will be reviewed further during building permit review. Survey Provide a survey that has been signed and dated by the surveyor. 2. The TIR is acceptable for Land Use approval. The following comments on the TIR may be addressed during building permit review. Please note the following items will need to be addressed: The geotechnical report states that the site is mostly fill, and that there is relatively high groundwater. Note that the tank will need to be analyzed per the KCSWDM Section 5.3.2.1 for structural stability and buoyancy. The Facility Summary Sheet must be updated with final information. The correct site plan must be provided. 08-100487 Doc. I.D.50982 Mr. Sweeney July 31, 2009 Page 3 In addition to the facility sizing calculations, the flow frequency analysis for both predevelopment and post development conditions must be provided Clarify what the flow frequency analysis on page 3 was intended to show. A letter from Contech must be provided stating the design parameters that were used and their approval of the system as designed. A 3-year maintenance agreement for the Stormfilter will need to be provided prior to final approval of the Stormfilter installation. PW Traffic, Soma Chattopadhyay (253-835-2745, soma.chattopadhyay@cityoffederalway.com) • Please correct the driving direction arrows on Sheet # ST1.1. • Please submit Streetlight Plan according to Federal Way standard. ■ Please increase the driveway width to minimum 30 feet. ■ Sixty -two -foot right-of-way is required on the west of SR-99 from ROW center line. Assuming a symmetrical cross section, up to 12 feet right-of-way dedication is required. The typical street section on Drawing # 2 is showing 56-foot ROW and 5-foot ROW dedication. CLOSING Your project is now on hold until we receive the information requested. With your resubmittal, please provide five copies of a response letter which addresses each issue listed. Please use the enclosed Resubrrtittal Form. You must resubmit your application materials within 180 days or your project will be deemed expired per FWCC Section 22-34. If you should have any questions you may contact me at 253- 835-2622, or david lee@cityoffederalway.com. I look forward to working with you on this project. Sincerely, David Lee Associate Planner enc: Resubmittal Form c: Will Appleton, Surface Water Manager Ann Dower, Senior Engineering Plans Reviewer Soma Chattopadhyay, Traffic Analyst 08-100487 Doc 1D.50982 1�kCITY OF Federal July 30, 2009 Dale Sweeney Dale Sweeney Design 5715 143rd Place SE Bellevue, WA 98006 I CITY HALL FILE 33325 8th Avenue South y Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www.cityoffederalway.com RE: File #08-100487-00-UP; HOLIDAY INN EXPRESS 34839 Pacific Hwy South, Federal Way Dear Mr. Sweeney: A review of your resubmittal for the Land Use Process IV and SEPA Checklist has been completed. Please see the following comments from each department regarding your project. Planning, David Lee (253-835-2622, david.lee@cityoffederalway.com) Landscaping 1. It appears from the site plan that the applicant proposes to utilize "Floppy Disk" Cinquefolia and "Otto Luyken" Laurel to satisfy the requirements of Federal Way City Code (FWCC) Section 22- 1567(e), parking areas/screening for rights -of -way. The code section requires that screening of parking areas from rights -of -way be achieved through the incorporation of landscaped berms at least three feet (36") in height, or equivalent vegetation. Both the proposed shrubs appear to have a maximum height of 24 inches. Please demonstrate how these species are a sufficient substitute for a landscaped three-foot berm It may be advisable that the applicant use taller and thicker species for the purposes of screening. 2. All trash receptacles must be screened. All trash enclosures shall be screened from abutting properties and/or right-of-way by 100% sight -obscuring fence or wall and Type III landscaping must surround the wall/fence. Please incorporate this on your site plan and provide an elevation of the trash enclosure. Other Planning Issues With regard to the stormwater pipe, please address Criteria "F" of FWCC Section 22-1312(c) ("It is necessary for reasonable development of the subject property") in terms of what would be involved with discharging to another point. PW Development Services, Ann Dower (253-835-2732, ann.dower@cityoffederalway.com) Comments to follow within a week of the date of this review letter. i k. Sweeney July 30, 2009 Page 2 PW Traffic, Soma Chattopadhyay (253-835-2745, soma.chattopadhyay@cityoffederalway.com) • Please correct the driving direction arrows on Sheet # ST1.1. • Please submit Streetlight Plan according to Federal Way standard. • Please increase the driveway width to minimum 30 feet. • Sixty -two -foot right-of-way is required on the west of SR-99 from ROW center line. Assuming a symmetrical cross section, up to 12 feet right-of-way dedication is required. The typical street section on Drawing # 2 is showing 56-foot ROW and 5-foot ROW dedication. CLOSING Your project is now on hold until we receive the information requested. With your resubrnittal, please provide five copies of a response letter which addresses each issue listed. Please use the enclosed Resubmittal Form. You must resubmit your application materials within 180 days or your project will be deemed expired per FWCC Section 22-34. If you should have any questions you may contact me at 253- 835-2622, or david.lee@cityoffederalway.com. I look forward to working with you on this project. Sincerely, J David Lee Associate Planner enc: Resubmittal Form 08-100487 Doc I D 50838 OF Federal Way MEMORANDUM DATE: July 23, 2009 TO: David Lee, Associate Planner Department of Community Development FROM: Fei Tang, P.E., SWM Project Engineer RE: Conceptual Buffer Restoration Plan, Holiday Inn Express (File #: 08-100487-00-UP) Per your request, Surface Water Management (SWM) Division has reviewed the Conceptual Buffer Restoration Plan dated June 16, 2009, for the Holiday Inn Express Federal Way project. SWM is providing a review of this Restoration Plan because we have a proposed capital improvement project (CIP) that calls for improving drainage facilities and restoring stream fish habitat that would overlap the proposed restoration area. SWM plans to construct the project by the summer of 2011 and is working with the subject property owners to identify phasing that will maximize cost savings and eliminate redundant work. The scope of the SWM project includes: removal of fill material, removal of a deteriorating culvert, restoration of the stream channel, the removal of invasive weeds and planting of native plants along the stream corridor. Implementation of the SWM project will eliminate the need for the subject restoration project provided the utilities for the private development are installed prior to any restoration work.. SWM comments on the conceptual restoration plan are as follows. Replanting of the impacted areas within the buffer with native plants is acceptable and would be avast improvement over the invasive plant species that will be removed. The native plants will provide superior habitat. • The impacted buffer area is shown to be 2,492 sqft. Given the type of construction that will be carried out within the buffers, we feel that the footprint impacted may be larger. Therefore, SWM is recommending that the size of the restoration footprint be planned for as large as 3,000 sgft. The probability of the SWM CIP project as planned moving forward to completion is extremely high, however there is always a chance that unforeseen events could delay or derail the project. Therefore, the developer should be required to bond the restoration work associated with their project. The amount of bonding needed for the proposed restoration work is estimated to be $11,890. Item Quantity Cost Total Trees 25 $100 each $2500 Shrubs 350 $10 each $3500 Labor 64 hours $35/hr $2,240 2-Years Monitoring 2 years $ 1,000/yr $2,000 ReplLntin 20% ofmaterial/labor $1,650 Total $11.890 Once the SWM project has been awarded, the developers would no longer need to bond the project. ■ The proposed duration of monitoring needs to be increased from 1-year to 2-years, which is the standard for the City. Construction/Coordination: It is expected that the SWM stream restoration project will be constructed during the summer of 2010 or at the latest the summer of 2011. If development occurs on the subject property ahead of the SWM CIP project, then all restoration work associated with the private development will be completed as part of the SWM project. If the SWM project is constructed ahead of the private development, then SWM will coordinate with the property owners to have all work within the buffers completed ahead of the balance of the development. The developer will be responsible for the cost of stubbing out the proposed utilities. Once this work is accomplished, the restoration work will be completed by SWM as part of the CIP project. If the SWM project is completed ahead of the private development and the proposed work in the buffer areas (installation of sewer and storm lines) is not completed, then the developer will be responsible for restoration of the area impacted as described in the subject document. Please let me know if you have any questions. N CITY OF FEDERAL WAY DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL Resub mina DATE: TO: FROM: FILE NUMBER(s): RELATED FILE NOS.: PROJECT NAME: PROJECT ADDRESS ZONING DISTRICT: July 1, 2009 Ann Dower, Development Services Fei Tang, PW Surface Water Div. Scott Sproul, Assistant Building ❑fficial Brian Asbury, Lakehaven Utility District Chris Ingham, South Icing Fire & Rescue David Lee 08-100487-00-UP None HOLIDAY INN EXPRESS 34839 PACIFIC HWY S CE PROJECT DESCRIPTION: Construction of a new 4 story, 90 unit hotel with associated site development. LAND USE PERMITS: Preliminary Plat, SEPA PROJECT CONTACT: DALE SWEENEY DESIGN DALESWEENEY 5715143RDPLSE MATERIALS SUBMITTED: TIR (AD) Site Plan (all) Restoration Report (FT) 4kDEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 81h Avenue South CITY OF RESUBMIT, 7'ED PO Box 9718 Federal Way WA 98063-9718 Federal Way j u N 14 z d n� 2607 253-835- www_ci-ei Fax 253-835-t offederalway.c.catn GITBaLDIEDERALNG ❑EPWAY RESUBMITTAL INFORMATION This completed form MUST accompany all resubmittals. "Please note. Additional or revised plans or documents for an active project will not be accepted unless accompanied by this completed form. Mailed resubmittals that do not include this form or that do not contain the correct number ofcopies will be returned or discarded. You are encouraged to submit all items in person and to contact the Customer Service Counter prior to submitting if you are not sure about the number of copies required. " Project Number: 0 0 - —Z- Oy - 0 % - D 6 - -�—) -E Project Name: 0 Project Address: 253 c P -5 vc Project Contact: Phone: -�-25 Z6e 5'16 RESUBMITTED ITEMS: IN # of Copies *" Detailed Description of Item ** Always submit the s e number of copies as required for your initial application." Resubmittal Requested by. tott em er Letter Dated: 1 7to 8 .� OFFICE USE ONL Y RESUB #.•�� .y Distribution Date: 117 By. Dept/Div Name # Description ,,Buildin A. -Planning PW Fire Other 0 Bulletin # 129 — August 8, 2006 Page 1 of 1 k:\Handouts\Resubmittal Information Da�e �weenecJ, ARCH ITECT — 143rd Place S.E. Bellevue, WA 98006 5715 425260.6969 TO: City of Federal Way ATTN: David Lee Memo DATE: 5.30.2009 PROJECT/LOCATION: Holiday Inn Express/ Federal Way SUBJECT: Review Comments (File #08-100487-00-UP) i FROM: bale Sweeney This letter is in response to the comments dated July, 02, 2008; changes have been clouded and marked with a delta number 3. Community Design Guidelines 1. Materials to be used in pedestrian walkways have been indicated on sheet ST1.1 site plan; Stamped concrete to be used. 2. Bicycle racks have been added to sheet ST1.1 site plan. 3.Outdoor furniture, trash receptacle, signs have been added to ST1.1 site plan. Lighting has been indicated on electrical site plan sheet E1.0. Other planning issues, 1. Check with difference in amount has been included with submittal 2. Mitigation proposal package has been added. Site_plan ST1.1, 4. Site plan shows frontage improvements. Item 13, The approximate cut and fill quantities are 1,900 cubic yards. Item 14, Runoff source is roof, sidewalks, parking lot and landscape. Item 15 Stormwater detention is provided by underground storage pipes with discharge to surface water limited by orifice installed in a flow control manhole. Treatment is provided by manufactured stormfilter technology provided by ConTech. The treatment and detention sizing is based on King County Runoff Time Series method. Item 16, CC: Dale Sweeney/File 1 � R INVOICE City of Federal Way P.O. Box 9718 Federal Way, WA 98063-9718 Ph: (253) 835-7000 OF Invoice Date: June 19, 2009 Federal Way Bill #: 141401 vkCITY � Permit #: 08-100487-00 Project Name: HOLIDAY INN EXPRESS Site Address: 34839 PACIFIC HWY S Applicant Name: DALE SWEENEY DESIGN *DALE SWEENEY * FEE DESCRIPTION AMOUNT FIRE PROCESS 4(8023)......................................................... $49.00 001-0000-000-237-60-000 PLANNING PROCESS 4(8017)................................................ $403.50 001-0000-073-345-81-000 PLANNING PUBLIC NOTICE(8017)......................................... $137.50 001-0000-073-345-81-000 PUB WKS PROCESS 4(8028).................................................. $315.50 101-0000-000-345-83-001 TOTAL DUE: $905.50 January 14th, 2008 City of 3,)' Pa rce 1 3332City 5 Federal Way 5 8lh Ave S. P.O. Box 9718 Federal Way Notification area Federal(206) 35 -835-70a.98063 00 www.cityoffederahNay.com 20Q101 750,151- 00500 Academy T564.51- � 0090 202104- - — - 202104- 9175 9173 9�700- 926480- 1 3ii lqe a89700- 202104- 0040 9176 202104- 889700- 202104- 9107 BB97o0. 0055 9160 0005 `+0) 899700- OOBO 202104- 889700- 0065 0050 i 215470- 215470- 9064 D C 0110 0070 � 889700- y 20210 4 e . A 0075 h 9025 /� 899700- J 215470- 0000 4 OOBo 202104- 202104- 215470- 215470- i 9085 9055 �700- 114040- 202104- 0100 OOBO 215470- 0085 0000 9166 0050 889700- 001 94 o-Q Ws 'T0y 214 0040 0090 000 S3t - Be970011211. Doss t• 0040 - 202'w 202104- 9124, 9133 � 2001 0- 2002o _ 9,0 29021 20GBB 215470- = 0010 0020 0030 202104- 9021 90BB 8e9700- 889700- 9145 0100 0115 Cfl i f i ST 2MI04- 9029 202 O& m 0117 Mo4- outh Federal Way Park2344 ---Rrde- 202104- 9054 20210E 9131 202100.E 0=71 SR 18 202104 9042 185295- 185295- 185295- 185295- - - - — •- ONO ONO 0090 0100 d B529S +.V �y ----Federal-Wad' 0110 ` Crossings - - - z �y -- 10520 Q 1012 ;. T 1BS295- 0010i _ 9os9 U 212104- 185295- 9183 -- — - i 0020 _ ' 202104 202104- 9155 9162 III j I MIN- 9043 202104- 9047 202104- 202104 9059 59 AA 9140 J� 292104- ` 9053 292104- v 292104- 9040 w sole 292104- 292104- 9151 904E ti4 292104- 9158 ' 292104- 299049 912828 29214 292,04- 91109159 292104-' 25 solo 29210E 29210<- 9127 292,D4- 9090 9M 9003 Legend King County Tax Parcels Subject Property Notified Properties 292104- 9002 Scale: N 0 125 250 Feet I 202109- 9116 165� 07Y] 165295- 0040 S 352ND ST j I Q 29096 d Q- Es.l F^ Q RECEIVE 29910, �XN 31 2008 CI T Y OF FEDERAL A Y CDS CITY OT Federal Way This map Is rmanded for use as a graphical tepreseniaslon only The City of Federal Way makes no wmanty as to its accuracy. NT 0 0 ICT N 0 N N N L CL 1 0 M 0 w 0 Z Holiday Inn Express 34839 Pacific Hwy South I � I I ' U) U3 S 348 ST -; Pro ect Site E=:?/ S 349 ST S 351 ST F4 S347PL S 352 ST CITY OF Federal Way Note: This map is intended for use as a graphical representation only. The City of Federal Way makes no warranty as to its accuracy. File #'s 08-100487-00-UP & 08-100489-00-SE 100 0 100 200 300 400 Feet CITY OF L Federal Way July 2, 2008 Mr. Dale Sweeney Dale Sweeney Design 5715 143`d Place SE Bellevue, WA 98006 Re: File #08-100487-00-UP; REVIEW COMMENTS Holiday Inn Express; 34839 Pacific Highway South, Federal Way Dear Mr. Sweeney: CITY HALL 33325 8th Avenue South Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www.cityoffederalway.com A review of your resubmittal for the Land Use Process III and SEPA Checklist has been completed. Please see the following comments from each department regarding your project. Planning, David Lee (253-835-2622, clavid.le ci o€federahvay.corg Landscaping 1. It appears from the site plan that the applicant proposes to utilize "Floppy Disk" Cinquefolia and "Otto Luyken" Laurel to satisfy the requirements of Federal Way City Code (FWCC) Section 22- 1567(e), parking areastscreening for right-of-ways. The code section requires that screening of parking areas from rights -of -way be achieved through the incorporation of landscaped berms at least three feet (36") in height, or equivalent vegetation. Both the proposed shrugs appear to have a maximum height of 24 inches. Please demonstrate how these species are a sufficient substitute for a landscaped three-foot berm. It may be advisable that the applicant use taller and thicker species for the purposes of screening. 2. Please call out permanent curbing on the landscaping plan within the parking area. 3. All trash receptacles must be screened. All trash enclosures shall be screened from abutting properties and/or right of way by 100% sight -obscuring fence or wall and Type III landscaping must encompass the wall/fence. Please incorporate this on your site plan and provide an elevation of the trash enclosure. 4. Please provide a significant tree inventory/survey. Please also show the clearing and grading limits on the significant tree survey. If 75% or more of the significant trees on the subject property are to be removed, then significant trees shall be replaced in the amount equal to 25% of the significant trees that existed on the subject property prior to commencing any development activity. Doc ID 45988 File #08-100487-00-UP Mr. Dale Sweeney Page 2 July 2, 2008 5. Please note the following on the landscape plan (per FWCC Section 22-1564[i]): Shrubs shall be a minimum 12-25 inches in height (measured from top of shrub to the ground) at the time of planting based on the following: 1) Small Shrubs — 12 inches 2) Medium Shrubs — 18 inches 3) Large Shrubs — 24 inches. Community Design Guidelines Please indicate the materials to be used for the pedestrian pathways. Pedestrian pathways shall be delineated by separate €)awed routes using a variation in paved texture and color. Approved methods of delineation include: stone, brick, or granite pavers; exposed aggregate; or stamped and colored concrete. 2. Bicycle racks must be provided. Please show on the landscaping plan where the bicycle racks are to be installed. 3. Outdoor furniture, fixtures, and streetscape elements such as lighting, freestanding signs, trellis arbors, raised planters, benches and other forms of seating, and trash receptacles shall be incorporated into the site design. Other Planning Issues 1. The land use application was submitted as a Land Use Process III. Due to the stream and wetland buffer intrusion, the project must be reviewed as a Land Use Process W. Please submit the difference of $905.50 with your next resubmittal. 2. The Wetland & Stream Assessment prepared by Raedeke Associates, Inc. proposes a mitigation plan; however, it is not specific in terms what mitigation measures are to be taken (i.e. re -planting schedule, construction staging, maintenance plans, enhancement plans, etc.). Please submit a mitigation proposal package. Once the city has obtained this information, the city will have the project reviewed by a third party environmental reviewer. A quote for the third party reviewer's fees will be provided to the applicant. 3. On Page 16 of the Wetland & Stream Assessment, under section 6.3.1 "Stream Buffer Impacts," Point 6 references a "Turner 2008." It is unclear as to what this is referring to. Additionally, please elaborate in full why the intrusion is necessary for reasonable development of the property. For example, please explain why stormwater can not be directed offsite into other existing stormwater pipes in or around the site. PW Development Services, Ann Dower (253-835-2732, ann.dowe ci offederalwa .com Landscape Plan 1. The landscape plan must accurately reflect the frontage improvements and provide approved street trees within the planter strip. Street trees must be 2.5 inches caliper and selected from the following: File N08-100487-00-UP Doc ID 45988 Mr. Dale Sweeney Page 3 July 2, 2008 • Acer rubrum `Red Sunset,' `October Glory,' or `Autumn Blaze' (Red Maple) • Fraxinus americana `Rosehill' or Fraxinus oxycarpa `Raywood' (Rosehill or Raywood Ash) • Under Power Lines: Acer griseum (Paperbark Maple) or Carpinus japonica (Japanese Hornbeam) 2. The landscape plan must include restoration of the stream buffer where the stonmwater discharge pipe will be installed. Survey 3. The survey must be signed and dated by the surveyor. Site Plan (ST1.0) 4. The site plan must accurately show the frontage improvements. Civil Plans 5. Please review table 4.1 in the 1998 King County Surface Water Design Manual (KCSWDM) to determine setback widths between stormwater pipes and buildings. 6. Extension of the stormwater conveyance system into the stream buffer will require hearing examiner approval. 7. Show all existing utilities, including water, sewer, storm, fire hydrants, overhead and underground utilities, and gas. 8. Show typical dimensions of parking stalls and drive aisles. 9. The right-of-way width must total 62 feet between curb and centerline, assuming a symmetrical cross section. The five-foot dedication shown is insufficient. In addition, the proposed street width is incorrectly shown and must be widened to 45 feet, curb to centerline. A six-foot planter strip must be provided between the curb and eight -foot sidewalk. Show accurately in all plan views and in cross sections. 10. FWCC Section 16-47 requires that overhead utility lines be relocated underground if over 500 feet, or three spans are affected by a project. If two poles are to be relocated, as shown on sheet 2, then three spans are affected and the utilities must be placed underground. Technical Information Report 11. Please review section 1.2.2 of the KCSWDM and provide a complete downstream analysis. This must be completed prior to land use approval. 12. Treatment and detention sizing must be done using KCRTS. SBUH method is approved only for conveyance sizing. If the treatment facility is downstream of detention, treatment must be provided for the full two-year release rate from the detention facility (full two-year pre -developed peak flow rate). File #08-100487.00-UP Doc m 45998 Mr. Dale Sweeney Page 4 July 2, 2008 SEPA Checklist 13. Item B. Le must include approximate quantities of cut and fill. 14. Item B.3.c.1 requires that the source of runoff be stated. 15. Item B.3.d needs to describe the types of systems proposed and state that the project will meet the requirements of the 1998 KCSWDM. 16. Item B.14.d is incorrect. Please describe the required street frontage improvements. PW Traffic, Soma Chattopadhyay (253-835-2745, soma.chattopadhyay(a7cityoffederaIway.com] 1. The City has received a concurrency application and the applicant will be notified as soon as the concurrency analysis is completed. 2. Per FWCC Section 22-1474, the applicant/owner would be expected to construct street improvements consistent with the planned roadway cross -sections as shown in Map III-6 of the Federal Way Comprehensive Plan (FWCP) and Capital Improvement Program (CIP) shown as Table HI-19. The site plan should show the improvements on SR-99 to include a 90-foot street with curb and gutter, six-foot planter strips with street trees, eight -foot sidewalks, and streetlights in a 124-foot right-of- way. The applicant's engineer needs to verify that a 62-foot right-of-way has been dedicated on the west of SR-99. Assuming a symmetrical cross section, up to 12 feet right-of-way dedication and half - street improvements are required and should be measured from the street centerline. 3. Tapers and transitions beyond the project frontage may be required as deemed necessary for safety purposes, taper rate shall be WS^2/60, or as directed by the Public Works Director. 4. Per FWCC Section 22-1543, Pacific Highway South is access class "1" and in the future, left access may be permitted every 330 feet and left -out access is only permitted at signalized intersections. In order to meet these standards, if the proposed driveway as shown on the site plan is allowed, it would be restricted to right-in/right-out only. 5. WAC 468-52-040 limits access on state highways in Federal Way to access spacing of 250 feet with only one access per parcel. Please show all neighboring driveways within 250 feet of the proposed driveway(s). 6. Based on the site plan submitted, it appears that the proposed driveway does not meet the 250 feet spacing standard. Please explore the option of sharing an access with the adjacent property owners. Also, explore the option of moving the driveway further south to increase the spacing between the adjacent driveways. 7. FWCC Section 22-1543 indicates a procedure and allows the Public Works Director to modify access requirements. Once preliminary traffic queuing analysis has been completed, the applicant's traffic engineer may submit a written request for modification if desired. File A08-100487-00-UP Doc ID 45988 Mr. Dale Sweeney Page 5 July 2, 2008 CLOSING Your project is now on hold until we receive the information requested. With your resubmittal, please provide five copies of a response letter which addresses each issue listed. Please use the enclosed Resubmittal Form. You trust resubmit your application materials within 180 days or your project will be deemed expired per FWCC Section 22-34. If you should have any questions you may contact me at 253- 835-2622, or david.lee _`tyoffederalway.corn. I look forward to working with you on this project. Sincerely, avid Lee Associate Planner enc: Resubmittal Form c: Ann Dower, Senior Engineering Plans Reviewer Soma Chattopadhyay, Traffic Engineer Doc ID 45988 File k08-1004874)0-UP CITY OF �. Federal Way May 8, 2008 Yoon & Sang Corp/Days Inn Attn: Mr. Yoon Kim 34827 Pacific Hwy South Federal Way, WA 98003 RE: File #08-100487-00-UP; HOLIDAY INN EXPRESS 34839 Pacific Hwy South Dear Mr. Kim: CITY HALL FILE 33325 8th Avenue South Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www. ci tyoffederal way. com Thank you for your letter of concern received May 5, 2008, in regards to the proposed Holiday Inn Express at 34839 Pacific Hwy S. The proposed land use action is for the development of a new 90- unit hotel with associated site improvements. The project is in preliminary technical review and a decision has not been rendered in terms of project approval. As a government institution, the City of Federal Way must accept, review, and approve any and all applications for land use development that meet or exceed Federal Way City Code. Often in cases involving new commercial development, the economic impact(s) of a new development are unknown_ However, the Federal Way City Code does not allow for the denial of a land use action based on economic impacts. We will note your opposition to this project and list you as a party of record. If you have any further questions pertaining to this project, please contact me at 253-835-2622 or at david.lee rr}cityoffederalway.com. Sincerely, David Lee Associate Planner c: Dale Sweeney, 5715 143�`' Place SE, Bellevue WA 98006 Doc. I D. 4 53 50 RECEIVED BY COWUNITY DEVELOPMENT DEPARTMENT Yoon & Srapg Corp. dba: Days Inn 34827 Pacific Hwy S. Federal Way, WA 98003 Tel (253) 838-3164 Fax (253) 838-3168 May 1, 2008 City of Federal Way Director of Community Development Services 33325 8th Avenue South PO Box 9718 Federal Way, WA 98063-9718 To Whom It May Concern: MAY 0 5 2008 This letter is in regards to your Notice of Land Use Application for the 34839 Pacific Hwy S. Federal Way, WA. We are formally requesting that this application to be denied. We already have over -capacity of hotel/motels surrounding this area. We are already in red due to over -capacity of rooms. Allowing another motel to be built next to ours will pretty much force us to close our business. This will leave us no choice but to find any legal way possible to stop this development. We understand the City of Federal Way wants to have as much revenue as possible by allowing more businesses to open, but not by ruining current businesses. We are absolutely against allowing this application. Sincerely, Yoon B. irm, President 04/21/2008 03:00 125383 L- 168 city or - Federal Way PAGE 01 NOTICE OF LAND USE APPLICATION Holiday Inn Express File No. 08-100487-00-UP Description: Construction of a new 4-story, 90-unit hotel with associated site development. Proposal also requests intrusions into wetland/stream buffers. - - �actioii: --- 348391?aoific kTighway South, Federal Way, WA - Applicant: Dale Sweeney, 5715 143d Place SE, Bellevue, WA 98006 Staff Contact: `-Associate planner David Lee, 253-835-2622 Date Appliestiou Received: January 31, 2008 Date of Notice of Application: April 19, 2008 Date Determined Complete: April 19, 2008 Commient Due Date: May 5, 2008 Permits Required by ti:is Applications: Use Process TV Hearing Examiner Approval (08-100487-00-UP) / State Environmental Policy Act (SEPA) Checklist (08-100489-00-SE) Other Permits Known at this Time and not Included in this Application: Building Permit # 08-101358-00-CO Relevant Environmental Documents are Available at the Address Below: X Yes — No Development Regulations and City Plans to be Used for Project Review and Consistency Known at This Time- F'sderat Flay City Code (FWCC) Chapter 18, "Environmental Protection'; FWCC Chapter 19, `TIatyning and Development'; and FWCC Chapter 22., "Zoning." The project -will be mviewed-for consistency with all applicable codes and regulations including the FWCC; King Counry Surface hater Design Manual and Raad Standards; and the International Building, Fire, and Mechanical Codes. The official project file is available for public review at the Department of Community Development Services (33325 8'h Avenue South, PO Box 9718, Federal Way, WA 98063-9718). Any person may submit written comments on the land use application to the Director of Community Development Services by 5:00 p.m, on May 5, 2008. Only persons who submit written comments to the Director, or sp6cifically request a copy of the decision, may appeal the Process IV decision. Details of appeal procedures for -lie requested land use decision will be included with the written decision. Published in the Federal Way Mirror on April 19, 2008. tkw, i,U, 45045 ME. - 08.100481.00-W < CITY OF ' Federal Way DATE: April 30, 2008 TO: David Lee FROM: Ann Dower SUBJECT: HOLIDAY INN EXPRESS - (08-100487-00-UP) 34839 PACIFIC HWY S MEMORANDUM Public Works Department Landscape Plan 1. The landscape plan must accurately reflect the frontage improvements and provide approved street trees within the planter strip. Street trees must be 2.5" caliper, and selected from the following: • Acer rubrum 'Red Sunset', October Glory', or Autumn Blaze' (Red Maple) • Fraxinus americana 'Rosehill' or Fraxinus oxycarpa 'Raywood' (Rosehill or Raywood Ash) • Under Power Lines. Acer griseum (Paperbark Maple) or Carpinus japonica (Japanese Hornbeam) 2. The landscape plan must include restoration of the stream buffer where the storm water discharge pipe will be installed. Survey 3. The survey must be signed and dated by the surveyor. Site Plan (ST1.0) 4. The site plan must accurately show the frontage improvements. Civil Plans 5. Please review table 4.1 in the 1998 King County Surface Water Design Manual (KCSWDM) to determine setback widths between storm water pipes and buildings. 6. Extension of the storm water conveyance system into the stream buffer will require hearing examiner approval. 7. Show all existing utilities, including water, sewer, storm, fire hydrants, overhead and underground utilities, and gas. 8. Show typical dimensions of parking stalls and drive aisles. 9. The right-of-way width must total 62' between curb and centerline, assuming a symmetrical cross section. The 5' dedication shown is insufficient. In addition, the proposed street width is incorrectly shown and must be widened to 45', curb to centerline. A 6' planter strip must be provided between the curb and 8' sidewalk. Show accurately in all plan views and in cross section. 10. FWCC Section 16-47 requires that overhead utility lines be relocated underground if over 500 feet, or three spans are affected by a project. If two poles are to be relocated, as shown on sheet 2, then three spans are affected and the utilities must be placed underground. Technical Information Reno 11. Please review section 1.2.2 of the KCSWDM and provide a complete downstream analysis. This must be completed prior to land use approval. 12. Treatment and detention sizing must be done using KCRTS. SBUH method is approved only for conveyance sizing. If the treatment facility is downstream of detention, treatment must be provided for the full 2-year release rate from the detention facility (full 2-year pre -developed peak flow rate). SEPA Checklist 13. Item B.1.e. must include approximate quantities of cut and fill. 14. Item B.3.c.1 requires that the source of runoff be stated. 15. Item B.3.d needs to describe the types of systems proposed and state that the project will meet the requirements of the 1998 King County Surface Water Design Manual. 16. Item B.14.d. is incorrect. Please describe the required street frontage improvements. CITY OF FEDERAL WAY NOTICE OF LAND USE APPLICATION Holiday Inn Express File No. 08-100487-00-UP Description: Construction of a new 4- story, 90-unit hotel with associated site develop- ment. Proposal also requests intrusions into wet- land/stream buffers. Location: 34839 Pacific Highway South, Federal Way, WA Applicant: Dale Sweeney, 5715 143rd Place SE, iBellevue, WA 98006 IStaff Contact: Associate Planner David Lee, 253-835-2622 Date Application Received: January 31, 2008 Date of Notice of Application: April 19, 2008 Date Determined Complete: April 19, 2008 Comment Due Date: May 5, 2008 Permits Required by this Application: Use Process IV Hearing Examiner Approval (08- 1o0487.00-UP) 15tate Environmental Poi4 Act (SEPA) Checklist (08-100489-00-SF) Other Permits Known at this Time and not In- cluded in this Application: Building Permit # 08-101358-00-CO Relevant Environmental Documents are Avail- able at the Address Below: X Yes No Development Regulations and City Plans to be Used for Project Review and Consistency Known at This Time: Federal Way City Code (FWCC) Chapter 18, "Environmental Protection"; FWCC Chapter 19. "Planning and Development'; and FWCC Chapter 22, "Zoning " The project will be reviewed for consistency with all applicable. codes and regulations including the MCC; fling County Surface Water Design Manual and Road Standards; and the International Building, Fire, and Mechanical Codes. The official project file is available for public re- view at the Department of Community Develop- ment Services {33325 8th Avenue South, PO Box 9718, Federal Way. WA 980SM718). Any person may submit written comments on the land use application to the Director of Community De- velopment Services by 5:00 p.m. an May 5, 2008. Only persons who submit written comments to the Director, or specifically request a copy of the decision, may appeal the Process IV decision. Details of appeal procedures for the requested land use decision will be included with the written decision. FWM 1384 Date of Publication: April 19, 2008. M I - R___)R_0R — Your Community Newspaper — Affidavit of Publication Rudi Alcott, being first duly sworn on oath, deposes and says that he is the Publisher of The Federal Way Mirror, a semi -weekly newspaper. That said newspaper is published in the English language continually as a semi -weekly newspaper in Federal Way, King County, Washington, and is now and during all of said time has been printed in an office maintained at the aforementioned place of publication of said newspaper. That the annexed is a true copy of a legal advertisement placed by City of Federal Way L-1384 as it was published in regular issues (and not in supplemental form) of said newspaper once each week for a period of one consecutive week(s), commencing on the 19th day of April, 2008 , and ending on the 19th day of April, 2008, both dates inclusive, and that such newspaper was regularly distributed to its readers during all of said period. That the full amount of the fee charged for the foregoing publication is the sum of $115.36 which amount has been paid in full, or billed at the legal rate according to RCW 65.16.090 Subscribed to and sworn before me this 15th day of May, 2008. Notary Public in and for the State of Washington, Residing at Federal Way `ti���111ii@�fiiitLl�.i t'q �01A R y�+'; z ZZ WA 1414 SO. 324TH STREET, SUITE B210, FEDERAL WAY, WA 98003 0 253-925-5565 0 FAX: 253-925-5750 CITY OF t. Federal April 16, 2008 Mr. Dale Sweeney Dale Sweeney Design 5715 143`d Place SE Bellevue, WA 98006 CITY HALL 33325 8th Avenue South y Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www.cityoffederalway.com Re: Permit #08-100487-00-UP; NOTICE OF COMPLETE APPLICATION Holiday Inn Express; 34839 Pacific Highway South, Federal Way Dear Mr. Sweeney: The Department of Community Development Services received your SEPA checklist and land use Process IV application for the construction of a new 4-story, 90 unit hotel with associated site development. Proposal also requests intrusions into wetland/stream buffers. The application was submitted on January 31, 2008. The proposed site is zoned Commercial Enterprise (CE). Hotel/motel is an allowed use in this zone under FWCC 22-869, "Hotel or Motel." Pursuant to FWCC 22-434(d), "Process IV Completeness," upon receipt of an application the City has 28 days to determine whether all required information and documentation necessary for a complete application has been submitted. The application was deemed incomplete on February 28, 2008. Based on a review of your April 3, 2008 resubmittal, staff has deemed your application to be complete as of April 19, 2008. Having met the submittal requirements, your application is now ready for processing. The enclosed Notice of Land Use Application will be distributed within 14 days of this date. Within 120 days of the issuance of the letter of completeness, the Director of Community Development Services will endeavor to issue a decision on the Process IV project. The 120-day clock is stopped any period during which the applicant has been requested by the City to correct plans, perform required studies, or provide additional information. If you have any questions, please feel free to contact me at dayid.lee�7a citynffederaiway.com, or 253-835- 2622. I look forward to working with you on this project. Sincerely, avid Lee Associate Planner enc: Notice of Land Use Application Doe. I D. 45042 41k Fed4*OF '::tS;P eral Way DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 8th Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 www.cit offederalwa .cam DECLARATION OF DISTRIBUTION hereby declare, under penalty of perjury of the laws of the State of Washington, t at a: CZ'Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ❑ Notice of Land Use Application & Anticipated DNS/MDNS ❑ FWCC Interpretation ❑ Other was ❑ mailed q "I Project Name ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document ❑ faxed ❑ e-mailed and/or Er�p'asted to or at each of the attached addresses on , 2008. J ' File Number(s) i -00> Signature Date � 9/ u� K:\Intern\Declaration of Distribution with Posting Sites.doc/Last printed 4/18/2008 8:05:00 AM Posting Sites: Federal Way City Hall - 33325 8th Avenue Federal Way Regional Library - 34200 1 st Way South Federal Way 320th Branch Library - 848 South 320th Street Subject Site - K:\Intern\Declaration of Distribution with Posting Sites.doc/Last printed 4/18/2008 8:05:00 AM 4k CIT Federal Way DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 8th Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 www.citvoffederalwgy.com DECLARATION OF DISTRIBUTION l . � hereby declare, under penalty of perjury of the laws of the State of Washington, that a' -A Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ❑ Notice of Land Use Application & Optional DNS/MDNS ❑ FWCC Interpretation ❑ Other ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document was � mailed ❑ faxed ❑ e-mailed and/or ❑ posted to or at each of the attached addresses on 2008. Project Name File Number(s) _ _1R- i q6�z-'--0 -Gt? Signature c- 2�� Date K:\CD Administration Files\Declaration of Distribution.doc/Last printed 2/14/2008 5:03:00 PM CITY OF r —� Federal Way NOTICE OF LAND USE APPLICATION Holiday Inn Express File No. 08-100487-00-UP Description: Construction of a new 4-story, 90-unit hotel with associated site development. Proposal also requests intrusions into wetland/stream buffers. Location: 34839 Pacific Highway South, Federal Way, WA Applicant: Dale Sweeney, 5715 143`a Place SE, Bellevue, WA 98006 Staff Contact: Associate Planner David Lee, 253-835-2622 Date Application Received: January 31, 2008 Date of Notice of Application: April 19, 2008 Date Determined Complete: April 19, 2008 Comment Due Date: May 5, 2008 Permits Required by this Application: Use Process IV Hearing Examiner Approval (08-100487-00-UP) / State Environmental Policy Act (SEPA) Checklist (08-100489-00-SE) Other Permits Known at this Time and not Included in this Application: Building Permit # 08-101358-00-CO Relevant Environmental Documents are Available at the Address Below: X Yes _ No Development Regulations and City Plans to be Used for Project Review and Consistency Known at This Time: Federal Way City Code (FWCC) Chapter 18, "Environmental Protection"; FWCC Chapter 19, "Planning and Development"; and FWCC Chapter 22, "Zoning." The project will be reviewed for consistency with all applicable codes and regulations including the FWCC; King County Surface Water Design Manual and Road Standards; and the International Building, Fire, and Mechanical Codes. The official project file is available for public review at the Department of Community Development Services (33325 8th Avenue South, PO Box 9718, Federal Way, WA 98063-9718). Any person may submit written comments on the land use application to the Director of Community Development Services by 5:00 p.m. on May 5, 2008. Only persons who submit written comments to the Director, or specifically request a copy of the decision, may appeal the Process IV decision. Details of appeal procedures for the requested land use decision will be included with the written decision. Published in the Federal Way Mirror on April 19, 2008. File #08-100487-00-UP Doc I D. 45045 January 14th, 2008 City of 3o C P a rce I City of Federal Way 33325 8th Ave S P.O. Box 9718 Federal Way Notification area FederalWay (206) - 80035-700 98063 0 www cityoffederalway.com 7was1• a0x1wa1r4 202104- Q 9082 6W400- I ij o0so = zazl 91 76 awo ■ 7sa4s1- c. a cl e no y 2021w- 689]00- 0080 202104- 202104- 9107 9160 889700- 0055 0005 202104- 9175 917] 889]00- 0060 921090 6470 92646p- 1 2021w- 0050 -1 rsa]0- vsmo- 21 700 86965 cross D 2'.. 0070 .. -. ees]ao- y L' 0075 2+► W 9025 9025 88 9700- 0080 J 0. • 215470- 215470- F 215470- 0060 202104- 9065 202104- 9055 889700- 114w0- 2021w- 0100 —a t45dYs. 0 00p0 9166 0060 889700- 0090 926480'Q 000 0015 T TNZo o' 889700- - 926480- 0040 20010 N - ' - 202104- 202104- 2021w- 9124 9133 p90211 0095 _ _ . p"a C1 = 2,� ' 2(YLIw- 9060 9145 889700- a69700- 0100 �p+TT T1L�4 S-T--- --: I N �_ _ _ 7 0115 SR 18 2021G4 9028 02 M- 29042 y 3234 20 9w2 185Zd5- 1i52-f'- r t&529 10a=i5 Q 9140 1d0 - -- a77o 'Yea 0P 3 0100 0ou h F I dera- �w _A Tedera Va T1 Watf om_ C osgs; aa LU 2 Q 185295- 185295- 0010 0120 zd� LU �9163 18520 IJJ 20210a- 9054 - '��• 002 2021w- 9131 202104- 2021w- 9155 9162 185295- 202104- 9027 o030 - 9G4343 1a5295- Ow0 202104 ; 9047 202104- 9116 2021w- ! 202104- 9059 9148 S 352ND ST `. 2921w- 9053 a 2921w- Q 292104_ 9w6 9040 Y 292104- 2921w- 9151 9w6 %►� a UJ tIJ 1 29 z- z 9158 158 9002 9002 9 09 RECEIVED 292104- 9120 z W z9z104- 31 2008 � zs71w• 9008 292104_ Iw- 9159 JAN j 2921w- 9010 9125 1 292104- CITY OF FEDERAL 292104 M104- 9127 2211w- 9090 9e36 CDS Legend UFY 9F King County Tax Parcels Scale: Federal Way Subject Property tV 0 125 250 Feet ( { This map Is intended for use as a graphical represerllaho0 only Notified Properties The C11yo1Federar Waylnafas nowarrardy as,o its accuracy IT 0 v o_ N 0 N N CD U CU ❑. L 0 W 0 t13 U 0 z DEPT OF ECOLOGY LAURA MURPHY LINDA HAYES ENVIRONMENTAL REVIEW SEC TRIBAL ARCHAEOLOGIST PUYALLUP TRIBE OF INDIANS PO BOX 47703 MUCKLES HOOT INDIAN TRIBE 3009 E PORTLAND AVE 39015 2 ND OLYMPIA WA 98504-7703 AVE SE AUBURN WA 98092 TACOMA WA 98404 AUBU Listing of Taxpayer Names and Mailing Addresses (Prepared 1/14/2008 and does NOT include Condominium Owners) ih I tAALV I ILJ I 1 MA r-P1 T CR IV/'11VIC /'1 I I IV. LI IVL nV VI \LVV LIIYL rr i �wvwv �i� Tr 1 1852950010 FANA FED WAY CROSSINGS 12819 SE 38TH ST SUITE 34 BELLEVUE WA 98006 2 1852950050 TRINAF FEDERAL WAY CROSSING 12819 SE 38TH ST #34 BELLEVUE WA 98006 3 1852950060 TRINAF FEDERAL WAY CROSSING 12819 SE 38TH ST #34 BELLEVUE WA 98006 4 1852950070 TRINAF FEDERAL WAY CROSSING 12819 SE 38TH ST #34 BELLEVUE WA 98006 5 2021049027 YEN FLORA Attn: 85 KU-YEN ST KAOHSIUNG 804 TAIWAN 00000 6 2021049028 KING COUNTY Attn: 500 KC ADMIN BLDG 500 4TH AVE SEATTLE WA 98104 7 2021049042 REINHARD ERNEST A+CORNERSTO 28727 PACIFIC HWY S FEDERAL WAY WA 98003 8 2021049045 KIM YOON BAE 34827 PACIFIC HWY S FEDERAL WAY WA 98003 9 2021049131 LAKEHAVEN UTILITY DISTRICT PO BOX 4249 FEDERAL WAY WA 98063 10 2021049140 MWCH INVESTMENT PROPERT 5312 PACIFIC HWY E TACOMA WA 98424 11 2021049155 BARKSHIRE GERALD B 15551 SUNNY COVE DR SE OLALLA WA 98359 12 2021049163 BARKSHIRE GERALD B 15551 SUNNY COVE DR SE JOLALLA WA 98359 12 Records Returned Mailing Labels! RECEIVED JAN 31 2008 CITY OF FEDERAL WAY CDS Page 1 of 1 City of Federal Way 3C)' Parcel Notification area January 141th, 2008 City of Federal Way 33325 8th Ave S P.O Box 9718 Federal Way Wa. 98063 (206) - 835 - 7000 www.cityoffederalway.com - a12+111 7ge+04. 750451- a � 6e9700- 297629104- Academy - Ba9700W0 202109- 0 - 202104- �67 9160 �0005 0055790050 •- - 202104- 9175 9173 t j 889700. 0060 � 926470- 926480- .a 969700- 0090 0050 202104- 0065 2 D G 215470- 215470- 0110 0070 ►I . 9064 989700- rn` 202104- .LI /7 0075 In 9025 699700- J 215470- 0060 - 4 0060 202104- 202104- 215470. 215470- f' 9065 9055 8S700 114040- 202104- - 0100 0060 215470- 0000 9106 0050 889700 - 233145. 9' %y� 215470 ? y 0000 0015 0040 6 ' 926460- > 0095 0095 Q 0040 202104- 215470- 215470- 9124 9133¢ 200 04- 29021 20088 01 = 0010 0020 215470- 0030 202104- 9060 9021 9089 B69700- 969700- 1 G 9145 0100 0115 fo N r` =to,- 9026 202104- 202104- 9034 9067 South 202104- 9140 Federal' Way Park& ---Ride- 202104- 9054 202104- 9131 202104- 9027 292104- 9040 292104- 9151 292104- 912e 292104 9010 292,04- 9127 Legend King County Tax Parcels Ed' Subject Property Notified Properties 202104- 9042 202104- 9045 202104- ' 9047 J �a 904292104- 6 fro ¢4 202104- 9043 202104- 9146 292104- 9053 ` 165295- 1a5295- 165295- 165295 a 0070 ONO owo 0100 c .Federa Way10 OS Q 1 OOM Crossings- In 6520 4 - - - +�� 0120 12 + 1652 _ 0050 �i■ V U1 202104 1652 cif 0163 0020 202104- 202104- 9155 9162 105295- 0030 202104- 9059 292104- 9046 r 292104- 9156 292104- 9049 292194- 792104- at25 9159 292104- 292104- 292104- 9090 9036 9003 165295- 0040 202104- 9116 S 352NO ST I Q 292104- 9096 lX a LU 292104- W02 2 a RECEIVE LU MIN. JAN 312008 2121B CITY OF FEDERAL W Y CDS 1 CM OF \ Scale: Federal Way ^' 0 125 250 Feet N �t JJ This map is Intended for use as a graphical representation only - The city of Faderal Way makes no warranty as to its accuracy A L 0 C 0 U [s II r 40k CITY OF Federal Way DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 8th Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-7000; Fax 253-835-2609 www.cit offederalwa .corn DECLARATION OF DISTRIBUTION r�J hereby declare, under penalty of perjury of the laws of the State of Washington, that Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ❑ Notice of Land Use Application & Optional DNS/MDNS ❑ FWCC Interpretation ❑ Other ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document was ❑ mailed ❑ faxed 4e-mailed and/or ❑ posted to or at each of the attached addresses on 2008. Project Name File Number(s) Signature Date 7 �' K:\CD Administration Files\Declaration of Distribution.doc/Last printed 2/14/2008 5:03:00 PM CITY OF Federal Way NOTICE OF LAND USE APPLICATION Holiday Inn Express File No. 08-100487-00-UP Description: Construction of a new 4-story, 90-unit hotel with associated site development. Proposal also requests intrusions into wetland/stream buffers. Location: 34839 Pacific Highway South, Federal Way, WA Applicant: Dale Sweeney, 5715 143`d Place SE, Bellevue, WA 98006 Staff Contact: Associate Planner David Lee, 253-835-2622 Date Application Received: January 31, 2008 Date of Notice of Application: April 19; 2008 Date Determined Complete: April 19, 2008 Comment Due Date: May 5, 2008 Permits Required by this Application: Use Process IV Hearing Examiner Approval (08-100487-00-UP) / State Environmental Policy Act (SEPA) Checklist (08-100489-00-SE) Other Permits Known at this Time and not Included in this Application: Building Permit # 08-101358-00-CO Relevant Environmental Documents are Available at the Address Below: X Yes _ No Development Regulations and City Plans to be Used for Project Review and Consistency Known at This Time: Federal Way City Code (FWCC) Chapter 18, "Environmental Protection"; FWCC Chapter 19, "Planning and Development"; and FWCC Chapter 22, "Zoning." The project will be reviewed for consistency with all applicable codes and regulations including the FWCC; King County Surface Water Design Manual and Road Standards; and the International Building, Fire, and Mechanical Codes. The official project file is available for public review at the Department of Community Development Services (33325 8d' Avenue South, PO Box 9718, Federal Way, WA 98063-9718). Any person may submit written comments on the land use application to the Director of Community Development Services by 5:00 p.m. on May 5, 2008. Only persons who submit written comments to the Director, or specifically request a copy of the decision, may appeal the Process W decision. Details of appeal procedures for the requested land use decision will be included with the written decision. Published in the Federal Way Mirror on April 19, 2008. Doc 1 D 45045 File 408-100487-00-UP I Q ,%., 1 Vl 1 Tina Piety - Legal Notices From: Tina Piety To: admin@fedwaymirror.com; dgrigg@soundpublishing.com Date: 4/16/2008 4:44 PM Subject: Legal Notices Attachments: Fred Meyer Gasoline Facility NOA.DOC; Holiday Inn Express NOA.DOC Hello, Please publish the attached legal notices (Holiday Inn Express NOA, 08-100487-00-UP and Fred Meyer Gasoline Facility, 08-101437-00-UP) in Saturday's (4/19/08) issue. Please furnish an affidavit of publication. Thank you, Tina file://C:\Documents and Settings\default\Local Settings\Temp\XPgrpwise\48062CEFCHP... 4/18/2008 -^1 RESUBM117ED DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES APR U 3 2008 33325 8`h Avenue South N%sm PO Box 9718 CITY OF VftmzeCITY OF FEDERAL WAY Federal Way WA 98063-9718 Federal�� BUILDING DEPT. 253-835-2607; Fax 253-835-2609 www.cityoffedL-ralwgy.com RESUBMITTAL INFORMATION This completed form MUST accompany all resubmittals. "Please note: Additional or re vised plans or documents for an active project will not be accepted unless accompanied by this completed form. Mailed resubmittals that do not include this form or that do not contain the correct number of copies will be returned or discarded. You are encouraged to submit all items in person and to contact the Customer Service Counter prior to submitting if you are not sure about the number of copies required. ** Project Number: - G� - a C, - Project Name: 61 6l� Project Address: 44 Project Contact: (Dq C ? r Phone: Z'5 Z(--' d cc) C/C RESUBMITTED ITEMS: # of Copies ** Detailed Description of Item ** Always submit the same number of copies as required for your initial application.** Resubmittal Requested by: Letter Dated: �Btat1 em er Bulletin # 129 — August 8, 2006 Page I of 1 k:\Handouts\Resubmittal Information FILE CITY OF � Federal February 28, 2008 Dale Sweeney Dale Sweeney Design 5715 143`d Place SE Bellevue, WA 98006 Way RE: File #08-100487-00-UP; HOLIDAY INN ExPREss 34839 Pacific Hwy South, Federal Way Dear Mr. Sweeney: CITY HALL 33325 8th Avenue South Mailing Address: PO Box 9718 Federal Way, WA 98063-9718 (253) 835-7000 www. cityoffederalway. com The Department of Community Development Services is in the process of reviewing information you submitted on January 31, 2008, for the proposal to construct a four-story, 90-unit hotel with associated site improvements at the above -referenced address. The proposal also includes intrusion into wetland and stream setbacks. The project is being reviewed under the provisions of Federal Way City Code (FWCC) Chapter 22, Article VI, "Process IV Review — Project Approval," in addition to the State Environmental Policy Act (SEPA). INCOMPLETE APPLICATION During the course of the City's review, the following items were found to be missing or incomplete. In order for your application to be considered complete and ready for processing, the items below must be provided. Please include a completed Resubmittal Information Form (enclosed) with any resubmittals. 1. A separate and complete Technical Information Report (TIR). 2. Certificate of Water & Sewer Availability. Please submit two copies of the requested documents, along with the enclosed resubmittal form. After receipt of the requested information noted in the incomplete application section of this letter, the department will notify you within 14 days whether your application is considered complete or what, if any, information is still needed. It is important to note that the department cannot begin processing your formal application until all items are submitted. Please call me at 253-835-2622 if you have any questions. I look forward to working with you on this project. SincereI David Lee Associate Planner enc: Resubmittal Information Form Doc. I D 44408 CITY OF FEDERAL WAY DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL DATE: February 4, 2008 TO: Will Appleton, Development Services Manager Scott Sproul, Assistant Building Official Brian Asbury, Lakehaven Utility District Chris Ingham, South King County Fire & Rescue FROM: David Lee FOR DRC MTG. ON: Internal Completeness - February 21, 2008 FILE NUMBER(s): 08-100487-00-UP RELATED FILE NOS.: None PROJECT NAME: HOLIDAY INN EXPRESS PROJECT ADDRESS: 34839 PACIFIC HWY S ZONING DISTRICT: CE PROJECT DESCRIPTION: Construction of a new 4 story, 90 unit hotel with associated site development. With wetland/stream buffer intrusions LAND USE PERMITS: Preliminary Plat, SEPA PROJECT CONTACT: DALE SWEENEY DESIGN DALE SWEENEY 5715 143RD PL SE 4252608969 (Work) MATERIALS SUBMITTED: SEPA Checklist Wetland Assessment (Dev. Serv.) Project Narrative Title Report (Dev. Serv.) Geotech Report (DS/BL) v\' January 14th, 2008 City of 34v' Parcel City 333 5 Federal Way 3325 8th Ave S. P.O. Box 9718 Federal Way Notification area FederalWay35-700 98063 (206) - 835 - 7000 www.cityoffederalway.com 750451- Q 2p- - T 910. e&9700- 0050 Academ4- 20270E 0040 ]G�3]1 y202104- 899 20210 92074 889700- 0055 202104- 9175 9160 0005 .. 9173 900 00 0060 926470- 0090 0050 = 215215470- 2 ,044 0085 D ono 0 0070 � - -- ees7oo- - 10 20210E + . 0075 A N _ 9025 889700- J 215470- 0080 IL 0060 215470- 215470- i r/L� 202104- 202104- 9065 9055 889700- 114040- 202, 04- 0100 0080 t: 215470- 0085 .. 0000 9166 '` -- 0050 669700- 0090 2 9200 50- VO�9 2,OD 70 - 5 3A7 O10 95 869700-- x _ _.20210E 202104- 210020 21�� 9124 9133 �? = Z 202104- _ 9060 290221 9088 4 21 0010a 29270E 889706 889700- 9145 0100 0115 �T {� N ITO ST _—._ _ ._ _ S 348TH S- 20 104- >�26G28 202104- 202104- 9087 29042 9034 20210E 9042 - - -- 1852951_ 185295- 10 9140 __ 0070 0080 0090 00 ' zoz,a202104-a 9045 South Federal -� - 01 '�"� 10 Y k -A I Park & Vqc ossings Crr o Q _ - -- 1a5295- - - 185295- 0120 0010 = 202,0E ,a5295- W 9163 202104--- ` 0020 202704- 202104- - - 202104- 9155 9162 9131 185295- 202104- 0030 - 9027 20210E 9043 1 785295- 0040 ' 2021G9047 2021 04- 9047 20270E 9176 20210E 05 99 s,de S 352ND ST L� 29210E J9053 292104- 0 29270E 9040 i/ 9048 29210E 29 04- 292104-Yy 9096 {i 9151 9046 t1J 292104- 9158 2921N 9002 z Q 29 49 9049 RECEIVE 1 292104- z 9128 1U 292104- 29 292104- Jn 3 1 ZQO$ 2R104, :xd� 29210E 9125 9159 159 9010 ' CIT( OF FEDERAL VJAY 292,0E 2 9127 9M CDS ' Legend King County Tax Parcels Subject Property Notified Properties CITY OF \ Scale: Federal Way 0 125 250 Feet N 11 This map is Mended for use as a grapnrcal represenl9fian or6y. I I _ � The City of F daral Way makes no wa :an;y as to its 3ccwary O O_ N O N 0 M V 0 z Listing of Taxpayer Names and Mailing Addresses (Prepared 1/14/2008 and does NOT include Condominium Owners) # iTAXLOT ID# i TAXPAYER NAME 1 1852950010 FANA FED WAY CROSSINGS 2 1852950050 TRINAF FEDERAL WAY CROSSING 3 1852950060 TRINAF FEDERAL WAY CROSSING 4 1852950070 TRINAF FEDERAL WAY CROSSING 5 2021049027 YEN FLORA 6 2021049028 KING COUNTY 7 2021049042 REINHARD ERNEST A+CORNERSTO 8 2021049045 KIM YOON BAE 2021049131 LAKEHAVEN UTILITY DISTRICT 2021049140 MWCH INVESTMENT PROPERT 11 2021049155 BARKSHIRE GERALD B 12 2021049163 BARKSHIRE GERALD B 12 Records Returned ATTN: LINE Attn: 85 KU-YEN ST Attn: 500 KC ADMIN BLDG Mailing Labels! ADDRESS LINE #1 12819 SE 38TH ST SUITE 34 12819 SE 38TH ST #34 12819 SE 38TH ST #34 12819 SE 38TH ST #34 KAOHSIUNG 804 500 4TH AVE 28727 PACIFIC HWY S 34827 PACIFIC HWY S PO BOX 4249 5312 PACIFIC HWY E 15551 SUNNY COVE DR SE 15551 SUNNY COVE DR SE ADDRESS LINE #2 BELLEVUE WA 98006 BELLEVUE WA 98006 BELLEVUE WA 98006 BELLEVUE WA 98006 TAIWAN 00000 SEATTLE WA 98104 FEDERAL WAY WA 98003 FEDERAL WAY WA 98003 FEDERAL WAY WA 98063 TACOMA WA 98424 OLALLA WA 98359 OLALLA WA 98359 RECEIVED JAN 31 2003 CITY OF FEDERAL WAY Y. D `J Page 1 of 1 M Looking North (Middle of Site) Z. Looking North (East side of Site) Looking West 4" @' :a • - -.` - i, � J � V��-��.�.i,�,S�"�".t.- ��' •�:��`ytF 0�F's-Y"r}�Y� +' ".'='�"'•����y 9C•arS _'MT 7 -'- jam• - f�' w3 - .-=�- !�' W.�.{���,� � _ •'�.y �' ttl_�_�' + - .�y►� +�+ �� w�� - ,�Y rr. �f ` 11S^SnG�.R`�� Jl � -:sue^ : Y5[=�����'• � �� -ems Looking East (Middle of Site) 75. I sS 't� yr f � i~ '�• �'� y r '' �'� ,•� � r. s.� r '' ! �r ate. 'ZIA r 'Looking East from.4he West side CHICAGO TrTi.F INSURANCE COMPANY 701 FIFTH AVENUL'. *3400. SPATIL13, WA 98104 STANDARD OWNER POLICY SCHEDULE A Policy No.: 1223248 Amount of Date of Policy: DECEMBER 25, 2007 at 8:00 AM Insurance: $1,575,000.00 1. Name of Insured: FIFE MOTEL, INC., A WASHINGTON CORPORATION AS TO A 40% INTEREST, FARUQ RAMZANANALLI, PRESUMPTIVELY SUBJECT TO THE COMMUNITY INTEREST OF A SPOUSE, IF MARRIED AS TO A 20W INTEREST, SPIRADEX, INC., A WASHINGTON CORPORATION AS TO A 20& INTEREST, AND ALFRED KIM, A SINGLE PERSON, AS TO A 20t INTEREST 2. The estate or interest in the land which is covered by this policy is: FEE SIMPLE 3. Title to the estate or interest in the land is vested in: FIFE MOTEL, INC., A WASHINGTON CORPORATION AS TO A 40% INTEREST, FARUQ RAMZANANALLI, PRESUMPTIVELY SUBJECT TO THE COMMUNITY INTEREST OF A SPOUSE, IF MARRIED AS TO A 20% INTEREST, SPIRADEX, INC_, A WASHINGTON CORPORATION AS TO A 20% INTEREST, AND ALFRED KIM, A SINGLE PERSON, AS TO A 20% INTEREST 4. The land referred to in this policy is described as follows: THAT PORTION OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SECTION 20, TOWNSHIP 21 NORTH, RANGE 4 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SAID SECTION 20; THENCE NORTH 00°21'53" EAST ALONG THE WEST LINE OF SAID SUBDIVISION 326.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 87°26'19" EAST 704.31 FEET TO THE WESTERLY MARGIN OF PACIFIC HIGHWAY SOUTH; THENCE SOUTH 21"50'33" WEST ALONG SAID WESTERLY MARGIN 204.82 FEET; THENCE NORTH B6°07'16" WEST 629.93 FEET TO THE WEST LINE OF SAID SUBDIVISION; THENCE NORTH 00°21'53" EAST ALONG SAID WEST LINE 179.10 FEET TO THE TRUE POINT OF BEGINNING. ALTAOPA/RDNOM RECEIVED JAN 31 2008 MY OF FEDERAL WAY CDS CHICAGO TITLE INSURANCE COMPANY STANDARD OWNER POLICY SCHEDULE B Policy No.: 1223248 EXCEPTIONS FROM COVERAGE This policy does not insure against loss or damage (and the Company will not pay costs, attorneys' fees or expenses) which arise by reason of: GENERAL EXCEPTIONS: A. Rights or claims of parties in possession, or claiming possession, not shown by the Public Records. B. Any encroachment, encumbrance, violation, variation, or adverse circumstance affecting the Title that would be disclosed by an accurate and complete land survey of the Land. C. Easements, prescriptive rights, rights -of -way, liens or encumbrances, or claims thereof, not shown by the Public Records. D. Any lien, or right to a lien, for contributions to employee benefit funds, or for state workers' compensation, or for services, labor, or material heretofore or hereafter furnished, all as imposed by law, and not shown by the Public Records. E. Taxes or special assessments which are not yet payable or which are not shown as existing liens by the Public Records. F. Any lien for service, installation, ccanection, maintenance, tap, rapacity, or construction or similar charges for sewer, water, electricity, natural gas or other utilities, or for garbage collection and disposal not shown by the Public Records. G. Unpatented mining claims, and all rights relating thereto; reservations and exceptions in United States Patents or in Acts authorizing the issuance thereof; Indian tribal codes or regulations, Indian treaty or aboriginal rights, including easements or equitable servitudes. H. Water rights, claims or title to water. SPECIAL EXCEPTIONS: A 1.EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: PUGET SOUND POWER & LIGHT COMPANY PURPOSE: POLE LINE AREA AFFECTED: AS NOW LOCATED, STAKED OUT AND ESTABLISHED RECORDED: DECEMBER 14, 1953 RECORDING NUMBER: 4404206 B 2.EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: PURPOSE: AREA AFFECTED: PUGET SOUND POWER & LIGHT COMPANY ELECTRIC LINE TO BE LOCATED AS NOW STAKED ALTADPa bk 5/17/07 CHICAGO TITLE INSURANCE COMPANY RECORDED: RECORDING NUMBER: STANDARD OWNER POLICY SCHEDULE B (Continued) Policy No.: 1223248 SPECIAL EXCEPTIONS OCTOBER 2, 1964 5801644 c 3. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: LAKEHAVEN SEWER DISTRICT PURPOSE: SEWER MAINS AREA AFFECTED: CENTRAL PORTION OF SAID PREMISES RECORDED: AUGUST 20, 1985 RECORDING NUMBER: 8508200815 0 4. EASEMENT AND THE TERMS AND CONDITIONS THEREOF: GRANTEE: FEDERAL WAY WATER AND SEWER DISTRICT PURPOSE: SEWER MAINS AREA AFFECTED: CENTRAL PORTION OF SAID PREMISES RECORDED: DULY 24, 1987 RECORDING NUMBER: 8707240919 s 5. EXCEPTIONS AND RESERVATIONS CONTAINED IN DEED: FROM: ROBERT LLOYD WRIGHT, AS HIS SEPARATE ESTATE RECORDED: JULY 16, 1998 RECORDING NUMBER: 9807160924 AS FOLLOWS: GRANTOR MAY KEEP THE EXISTING BUILDINGS ON THE SITE AFTER CLOSING. IN THE EVENT THE GRANTEE GIVES THE GRANTOR WRITTEN NOTICE OF REMOVAL OF BUILDINGS FROM THE SITE, INCLUDING NECESSARY SUPPORTING STRUCTURES, DEVICES AND FACILITIES ETC., GRANTOR WILL MOVE THE BUILDINGS OUT FROM THE SITE WITHIN SIXTY (60) DAYS FROM THE DATE THE WRITTEN NOTICE FROM THE GRANTEE IS RECEIVED. ALSO GRANTOR AGREES TO KEEP THE SITE IN THE CLEAN AND CLEAR CONDITION AFTER THE BUILDINGS ARE REMOVED. IF THE GRANTOR FAILS TO REMOVE THE BUILDINGS WITHIN THE SAID PERIOD THE GRANTEE MAY REMOVE THE BUILDINGS AT THE EXPENSE OF THE GRANTOR. r 6. AGREEMENT AND THE TERMS AND CONDITIONS THEREOF: BETWEEN: AND: RECORDED: ROBERT L. WRIGHT MICHAEL INDORF AND CITY OF FEDERAL WAY APRIL 29, 2002 ALTAvpll1-i R D A /0999 CMCAGO TITLE INSURANCE COMPANY STANDARD OWNER POLICY SCHEDULE B (Continued) Policy No.: 1223248 SPECIAL EXCEPTIONS RECORDING NUMBER: 2002042900121E REGARDING: PERMISSION TO USE PROPERTY AND REIMIBURSE THE CITY FOR POTENTIAL ABATEMENT COSTS a NOTE 1: A SURVEY HAS BEEN RECORDED UNDER RECORDING NUMBER 8802199003. Ao 7. TERMS AND CONDITIONS OF AN UNRECORDED LEASE DATED OCTOBER 23, 2003 BETWEEN ROBERT L. WRIGHT (LANDLORD) AND CLEAR CHANNEL OUTDOOR. Ar NOTE 1: GENERAL AND SPECIAL TAXES AND CHARGES, PAID IN FULL: YEAR: 2007 TAX ACCOUNT NUMBER: 202104-9044-06 LEVY CODE: 1205 ASSESSED VALUE -LAND: $ 868,600.00 ASSESSED VALUE -IMPROVEMENTS: $ 1,000.00 AMOUNT BILLED AND PAID: $ 10,941.05 AUTHORIZED SIGNATORY Loan Policy Endorsements: NONE Owner's Policy Endorsements: NONE ALTAOPB2/RDA/OM Your reference: KAy, —Tc ENDORSEMENT Attached to and forming a part of Policy No. 1223248 issued By CHICAGO TITLE MUR.ANCE COMPANY Dated: December 25, 2007 @1DOP/3-21-92/sc Dale Sweeney - A►rchi€tert 5715 143rd Place S.E. Bellevue, WA 98006 425-260.8969 flickwit@comcastnet City of Federal Way Department of Community Development January 30, 2008 Federal Way Holiday Inn Express 34839 Pacific Highway S. Federal Way, Washington Parcel # 2021049044 PROJECT NARRATIVE: The project is a new construction, four storey, ninety unit hotel of type VA (sprinkled) construction. There is a stream on site with one -hundred foot buffers and a wetland on adjacent properties with a one -hundred foot buffer that extends into the project site. There are two existing buildings on site to be demolished. One is a one -storey maintenance/storage building and the other is a one -storey office construction building. There are to be ninety-two parking spaces including four handicapped. A Site Plan, Topographical Survey, Civil Drawings, Landscape Plan, Lighting Plan, Soils Report, and Wetlands and Stream Assessment have been provided. Please contact me with any questions. Dale Sw ney - Architect RECEIVED JAN 31 2008 CITY OF FEDERAL WAY CDS 4k CITY OF Federal Way CITY OF FEDERAL WAY CDS RECEIVED APPLICATION NO(S) ()6 ~ ,BAN 31 N08 � 1) MASTER L t,ND USE APPLICATION DEPARTMENT OFgCOMMUNITY DEVELOPMENT SERVICES 33325 8`h Avenue South PO Box 9718 Federal Way WA 98063-9718 253-835-2607;Fax 253-835-2609 www.cityoffederalm ay.coni Project Name { cdrl d )Alg�z Ho l3 da �z on Property Address/Location 3 4: 3 C/ 12/ c Hw y 5 Parcel Number(s) 2 0 2 10 417 v 4 4 Project Description unl 7 Ljo /e PLEASE PRINT Type of Permit Required Annexation Binding Site Plan Boundary Line Adjustment Comp Plan/Rezone Land Surface Modification Lot Line Elimination Preapplication Conference Process I (Director=s Approval) Process II (Site Plan Review) Process III (Project Approval) Process IV (Hearing Examiner's Decision) Process V (Quasi -Judicial Rezone) Process VI SEPA w/Project SEPA Only Shoreline: Variance/Conditional Use Short Subdivision Subdivision Variance: Commercial/Residential Required Information G Zoning Designation G Comprehensive Plan Designation Value of Existing Improvements Value of Proposed Improvements International Building Code (IBC): R 1 (h 3 B Occupancy Type Construction Type Applicant 4111— late �b �13�I Name: OgIC 57We1rr1r Address: s5 '/5 1 r.1�P/,P'CC" �c City/State: VVA Zip: ej 00Cv Phone: Z 5 Zvi O 6 q6, ICY Fax: AZ5 572� 09:87 Email: // _rl i I Com C05 �+ rl.CT Signature: W Agent (if different than Name: Address: City/State: Zip: Phone: Fax: Email: Signature: Owner Name: `Y F+� (/IV�f�Xiti►f H Address: 220o bfk Av- Cv'� Sep City/State' Zip: Phone: 2J b - Y.{c(_ d 2b,6 Fax: Wb- S-q/- q-56Q / / Email: e d kr M a h Cb I r, 400, Signature: 20e, Bulletin #003 — August 18, 2004 Page 1 of 1 k:\Handouts\Master Land Use Application RESUBMME® APR 0 3 2008 CITY OF FEDERAL WAY King County BlilDING DEPT. Dept. of Development and Environmental Services Building Services Division 900 Oakesdale Avenue Southwest Renton, Washington 98055-1219 (206) 296-6600 TTY (206) 296-7217 D. King County Certificate, -:of` Sewer Availabifify Alternative formats available upon request King County Certificate of Sewer Availability This certificate provides the Seattle King County Department of Public Health and the Department of Development and Environmental Services with information necessary to evaluate development proposals. Do not write in this box number name X Building Permit ❑ Preliminary Plat or PUD ❑ Short Subdivision ❑ Rezone or other Applicant's name: v`-' �•� Proposed use. q i Location: (attach map and legal description if necessary) agencySewer I a. Sewer e 1cQCAN:be provided by side sewer connection only to an existing (� � FIRM 7. size sewer feei from the site and the sewer system has the capacity to serve the proposed use. OR ❑ b. Sewer service will require an improvement to the sewer system of: ❑ (1) feet of sewer trunk or lateral to reach the site; and/or ❑ (2) The construction of a collection system on the site: and/or ❑ (3) Other (describe) 2. 0 a. The sewer system improvement is in conformance with a County approved sewer comprehensive plan OR ❑ b, The sewer system improvement will require a sewer comprehensive plan amendment. 3 1� a. The proposed project is within the corporate limits of the district or has been granted Boundary Review Board approval for extension of service outside the district or city - OR ❑ b. Annnexation or Boundary Review Board (BRB) approval will be necessary to provide service. 4. Service is subject to the following: a. Connection charge: 'T`�:' 3E b. Easement(s): C. Other: E✓ �,ev : J "T ► G/J PEFR-41,t f T- IZC C 2EV * The District, at its sole discretion, reserves thz. right to delay or deny sewer service based upon capacity limitations in District and Other Purveyor facilities. * I I certify that the above sewer agency information is true. This certification shall be valid for one year from date of signature. LAKEHAVEN UTILITY DISTRICT ��� ����0—Y Agency name ,;�7 Statox name Title Signature ��//�Ild-2 sewer availability form.doc b-cert-sewer pdf 02-07-2002 TM AVALUM CMTOCATE MBEACPA' f 1 BY THE A"MABLU LAW USE AUEMNM I Q y a) U Q i UJI OO ...� O CD U, LL 6 N r LL C CC-)", cL 3 cc_0 O O ! N V; O 00 > oo N > 0 C C } 0 Q U Q �oz _ r: (Ul N a) U �,cc�a c� 01 M 2 0 o N C Q'-O C CO Y omm�� LAI II VEN S 'N'o AVAILABILITY G�RI�ZB WII I.8$ ACE M AUT lop ITY " [u anLE LAM c m c6 � Q � W •� O (1) (0 0 O W Q L c6 E U E Q O > EL a) O Q) U a W E > o (0 n, Q � W � UU) C U U U C U (DE o O U aU) .� U 4) 0 C U 0 O L U; �W ■ E n c U) C U) C N C ._ 0 M U)o C L U O CO (n Q a O UO �❑ Q a- J IN ON 9 O Y C6 o. - o - N E c U co O O a) c0 E U 7 O U O a) N U c0 C N " L O 0 Q) > w, N O O - N U �. O C O O N r N T (0 ` u a a) U Q O - 0 0 Ql cn L .0 L U _ O a T- N N O N o: w U J I E CY)A❑❑AD C a = L. E 1) Gj dl U O 5 C (D �. O L O y U L c r� N T 3 (6 C a) cru • l L N Q a CO lu ac E u Q o i0 o c> ill L a `i~ Q— (, 0 Q O ` C �c 3 c�Eco E m u O� Z CU a) Q+) O m N LO " v1 � O 5 CDT N OO U > n a) N � C� O Q7 a) co c0 w �O U O > m o -0 C6 lk ❑ k� Cl) 4 o -6 "0 0 6 ❑ I-S, ❑ to a) O a) E E- E �J 2 E C wC 2 0 0 co O O N Cn L6 c 0 0 O M n3 .-3 kgKing County _ s; M&* - e m— Dept of Assessments --"Ph1 me'na"veWtlenero.Neer _ —shenal.t—cm•emm o" _-_0tplreL4hulPlel---H"tlm � "'r•M�b +t S E 20-21-04 Dec 24. 2007 1 :rli epwh tee hel t txee J. - ' eeaex ' ST. FRANCIS HOSPITAL BSP VICKADD 77 AMPUS 55 & 'j6Lw to PARK L ' 4J `EAST CAMP � _ MED. CENT R DIV. I c. s� w� = Tm era Iq-*05 2000loos90000s r tiu p_�+ t�• M HA1 etexdie tt..t.tt It � .n.��•.-r.e ..0 - r_ f _.-._...-'---"--"'e..�A�k_.I -- .. -;.; �.... I - ,i _,u, My ..-�I .. .xn , • ; .. n • _� :••_ --------- --- - - -_'- ------------------------- TM --------------------------- .� tenrtnxK -�r _ Ei�r,e e,r.i ' 7 -0E-----�-_• __.. �..____•x�_—_. �«_--Y_-,,.---�-» "`___ i - _ 1 . •d r-qx• PRIMARY STATE HWY NO 2 Iv •.... 'ti r — _ r � ER 4 _ GRC i t t RECEINAE-D .JAN 312003 CITY OF FEDERAL WAY CDS WETLAND & STREAM ASSESSMENT Holiday Inn Express Federal Way, Washington January 30, .2008 RAEDEKE ASSOCIATES, INC. 14 j=1"'F'Tt/R' JA N 31 2008 CITY DE FEDERAL WRY C'DS FIGURE 7a .w r I I I KEY 72"'F 1zz_ I Q i �`� EXISTING PVC M f '� PIP -1h L _ ► 1� � -� 1 y _ IEdL3i. J � iE �26�. rr� yy r► h r -OFF-SITE WETLAND - CATEGORY II, PFO1 W W Based on Raedeke Assoc* W Inc, delineation,1987, f r1�1.�1 W W W W r i EXISTING STRUCTURE SWEENEY DESIGNS HOLIDAY INN EXPRESS CITY OF FEDERAL WAY EXISTING STRUCTURE EXISTING CONDITIONS 7-7--: 7' �0! �': � - �' a- 0' z " —1 7 — —Eli � ��� F� --1/ . t 1-1 /. 11 7 � ommmw-ft� an am �� �• �� i '� , ` EXISTING 9 STRUCTURE 3z. ! � ,, ? E � .Q f 100#Ii � I j STREAM 1 OHWM /� r tix `� 11 l II EXISTING e Ma'olr Stream 1 1 � r J ' y 1 STRUCTURE, o _I C� _= 4 7- PROJECT BOUNDARY OFFSITE WETLAND DELINEATED BY RAEDEKE ASSOCIATES, INC., 1987 STREAM ORDINARY HIGH WATER MARK (OHWM) EXISTING CONTOURS CITY OF FEDERAL WAY 100' STANDARD WETLAND BUFFER CITY OF FEDERAL WAY -� 100' STANDARD STREAM BUFFER north o 2 J DATE: 01/14/2008 RAEDEKE ASSOCIATES, INC. DRAWN BY: DAD and ELP 1 EXISTING EASEMENTS 5711 NORTHEAST 63RD ST. SEATTLE, WA 98115 Base information: from TRT Associates, files FEDERAL BASE.dwg and (206) 525-8122 FAX: (206) 526-2880 FEDERAL fie -dwg received 02ed a 01 received and froomO� Sadler / Barnard & FIGURE 8 w ,OFFSITE WETLAND w w CATEGORY 11, PF01 w Based on Raedeke Assoc .w ��� y Inc. delineation,1987 r cow Zz- F rij Z1I + 0 10 0/"o Le LL PROPOSED 12" CM STORMWATER LINE CONSTRUCTION TEMPORARY BUFFER IMPACT 1,151 SF AREA TO BE RESTORED PROJECT BOUNDARY OFFSITE WETLAND- DELINEATED BY RAEDEKE ASSOCIATES, INC., 1987 STREAM ORDINARY HIGH WATER MARK (OHWM) EXISTING CONTOURS PROPOSED GRADING �I i PROPOSED 6" CMP SEWER LINE CONSTRUCTION TEMPORARY BUFFER IMPACT 916 SF AREA TO BE RESTORED IT PROPOSED STRuc'TuFm SWEENEY DESIGNS HOLIDAY INN EXPRESS CITY OF FEDERAL WAY r •� � PROPOSED RETAINING WALL„15fi EXISTING EASEMENTS CITY OF FEDERAL WAY 100' STANDARD WETLAND BUFFER CITY OF FEDERAL WAY 100' STANDARD STREAM BUFFER TEMPORARY BUFFER IMPACTS (APPROX. 480 SF) TOTAL AREA TO BE RESTORED RAEDEKE ASSOCIATES, INC. 5711 NORTHEAST 63RD ST. SEATTLE. WA 98115 (208) M--a122 FAX: (206) 525-2aW PROPOSED SITE PLAN ■ north o 25 Base information: from TRT Associates, files FEDERAL BASE.dwg and FEDERAL SITE.dwg received on 01 /09/08 and from Sadler f Barnard & Assoc. Inc, fie 2005078.02.dwg received on 05M07. Report To: Mr. Dale Sweeney Sweeney Designs 5715 143rd PI SE Bellevue, WA 98006 Title: Wetland and Stream Assessment for the Holiday Inn Express site City of Federal Way, Washington Project Number: 2007-025-001 Prepared By: RAEDEKE ASSOCIATES, INC. 5711 Northeast 63rd Street Seattle, Washington 98115 (206) 525-8122 Date: January 30, 2008 RECEIVE® JAN 31 2008 CITY OF FEDERAL WAY DS 5711 Northeast 63rd St, RAEDEKE ASSOCIATES, INC Seattle, WA 98115 (206) 525-8122 Project Manager: Current Project Personnel: Submitted b Signature t S Ct_ �.S1 Printed Name Date L Lisa Danielski, B.A., WPIT Wetland Biologist/Botanist Emmett Pritchard, B.S. Principal/Wetland Ecologist Richard W. Lundquist, M.S. Vice President/Wildlife Biologist Emily Podolak, M.L.A. Landscape Designer Duane Dietz, B.A., A.S.L.A. Landscape Architect Gail W. Livingstone; B.S.L.A. Natural Resource Planner & Editor Kurt Richardson, Jr., B.A. Biological Technician RAEDEKE ASSOCIATES, INC L 5711 Northeast 63rd St; Seattle, WA 98115 (206) 525-8122 TABLE OF CONTENTS Page LISTOF FIGURES.............................................................................................................v LISTOF TABLES.....................................................................................................I.........v 1.0 INTRODUCTION........................................................................................................1 1.1 Statement of Purpose.............................................................................................I 1.2 Study Area.............................................................................................................1 1.3 Project History .......................................................................................................1 1 2.0 METHODS ........................... ......................................................................................... 2 2.1 Background Review..............................................................................................2 2.2 Field Sampling Procedures and Data Analysis......................................................2 3.0 EXISTING CONDITIONS...........................................................................................3 3.1 Results of Background Investigation.....................................................................3 3.2 General Study Area Description............................................................................3 �.. 3.3 Stream Description................................................................................................ 3 3.4 Off -Site Wetland Description. -4 3.5 Upland Descriptions..............................................................................................5 4.0 WETLAND FUNCTIONAL ASSESSMENT..............................................................6 4.1 Surface Water Control...........................................................................................6 4.2 Wildlife Habitat..................................................................................................... 6 4.3 Pollution and Erosion Control...............................................................................7 4.4 Groundwater Exchange.........................................................................................7 4.5 Open Space & Aesthetic Contrast......................................................................... 7 4.6 Recreational, Educational, and Cultural Functions and Values ............................7 5.0 REGULATORY CONSIDERATIONS........................................................................8 5.1 Federal Clean Water Act (U.S. Army Corps of Engineers)..................................8 5.2 City of Federal Way............................................................................................... 8 6.0 IMPACTS.............................................................................................I.....................11 6.1 Direct Impacts.....................................................................................................11 6.2 Indirect Stream and Wetland Impacts.................................................................11 6.3 Stream and Wetland Buffer Impacts...................................................................14 Im 7.0 MITIGATION............................................................................................................ 18 7.1 Avoidance of Impacts.........................................................................................18 7.2 Minimization of Impacts.....................................................................................18 7.3 Compensatory Mitigation...................................................................................18 8.0 LIMITATIONS.......................................................................................................... 20 9.0 LITERATURE CITED.............................................................................................. 21 FIGURESAND TABLES................................................................................................ 24 APPENDIXA: ................................................................................................................ A-1 Wright Federal Way Stream Delineation (Raedeke Associates, Inc. 2006).................... A-1 iv LIST OF FIGURES Figure Page 1. Vicinity map.......................................................................................................... 25 2 Aerial photo of project site.................................................................................... 26 3. USFWS NWI map................................................................................................ 27 4. USDA SCS map.................................................................................................... 28 5. WDNR forest practice activity ma ............................................... 29 6. City of Federal Way stream ratings map............................................................... 30 7a, b. Existing conditions................................................................................................ 31 8. Proposed site plan................................................................................................. 32 LIST OF TABLES Table Page 1. List of aerial photographs used in the study.......................................................... 34 2. List of WDNR stream types.................................................................................. 35 v 1.0 INTRODUCTION 1.1 STATEMENT OF PURPOSE This report is for the Holiday Inn Express site in the City of Federal Way, Washington (Figure 1). The primary objectives of this report are to: (1) provide information on previously identified wetlands located on property adjoining the Holiday Inn Express site, (2) evaluate direct and indirect impacts of the proposed development to the on -site stream (delineated under a previous study) and off -site wetland, as well as their associated buffers, and (3) discuss mitigation measures to avoid, reduce, or compensate for those impacts. This report supplements the Stream Delineation letter prepared by Raedeke Associates, Inc. (Raedeke Associates, Inc. 2006; see Appendix A of this report) for the purposes of City of Federal Way SEPA review of the proposed project. 1.2 STUDY AREA The Holiday Inn Express project site consists of approximately 2.85 acres located in the southeast portion of Section 20, Township 21 North, Range 4 East W.M., in the City of Federal Way, Washington. Specifically, the site is located along the west side of Pacific Highway South and south of S 348`" Street. The parcel we investigated is identified as King County Tax parcel #2021049044. 1.3 PROJECT IIISTORY The Holiday Inn Express site was initially investigated by Raedeke Associates, Inc. on May 31, 2006 for the previous owner to identify potential streams and wetlands on the site. During this investigation, Raedeke Associates, Inc. delineated the Ordinary High Water Mark (OHWM) of one stream in the west comer of the site, and found no wetlands on the project site (Raedeke Associates, Inc. 2006; Appendix A). The City of Federal Way requires that information be provided regarding any wetlands on or within 200 feet of the subject property, as described in Section 22-1356 of the City of Federal Way (2005) Critical Areas code. One wetland previously investigated by Raedeke Associates, Inc. in 1987 and 1988 is located adjacent to the north property boundary of the project site (Raedeke Associates, Inc. 1988, 1992). As part of the development on the adjoining property, a wetland and buffer enhancement plan was implemented in the mid- 1990's, and concluded in 1998 (Raedeke Associates, Inc. 1988, 1998). Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 2 LL 2.0 METHODS 2.1 BACKGROUND REVIEW In preparation for our investigation, we reviewed Raedeke Associates, Inc. (2006) stream delineation for previously -compiled information regarding inventoried wetlands, soils, and streams. We reviewed the Washington Department of Fish and Wildlife (WDFW 2003) SalmonScape for additional information regarding the presence of fish species within the vicinity of the project area. We also reviewed Raedeke Associates, Inc.'s (1988, 1992) reports regarding the wetland on the adjoining property. 2.2 FIELD SAMPLING PROCEDURES AND DATA ANALYSIS 2.2.1 On -Site Wetland and Stream Investigation Methodologies used to investigate the Holiday Inn Express site are discussed in Raedeke Associates, Inc. (2006; see Appendix A of this report). 2.3.2 Off -Site Wetland Investigation The off -site wetland to the north of the project site was originally delineated by Raedeke Associates, Inc. (1998) using the U.S. Army Corps of Engineers (COE) Wetlands Delineation Manual (Environmental Laboratory 1987). For this current study, the adjoining property owner to the north of the project site would not grant Raedeke Associates, Inc. permission to access the site to investigate the previously -delineated wetland. Therefore our July 23, 2007 investigation of the wetland on the adjoining parcel to the north was limited to visually observing the wetland from the north property boundary of the Holiday Inn Express site. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 3.0 EXISTING CONDITIONS 3.1 RESULTS OF BACKGROUND INVESTIGATION 3.1.1 Wetlands and Streams As described in the Raedeke Associates, Inc. (2006) Stream Delineation letter, no wetlands were identified on the property. The wetland on the adjoining parcel to the north is depicted on the USFWS NWI (1987, 2007) map (Figure 3) and City of Federal Way (2005c) Stream Ratings map (Figure 6). The stream in the west portion of the site is depicted as a "Major Stream" on the City of Federal Way (2005) Stream Ratings map; StreamNet (2006), SalmonScape (2003) and the WDFW (2002) PHS maps do not depict the presence of any salmonid species in the reach of stream located on the project site. Please refer Figures 3 through 6 of this report and Raedeke Associates, Inc. (2006; Appendix A) for a complete description of the results of our inventory review. 3.2 GENERAL STUDY AREA DESCRIPTION As described in Raedeke Associates, Inc. (2006), the Holiday Inn Express site is within the Hylebos Creek drainage basin of the Puyallup River Watershed (King County 2007). In 1986, King County (1986) issued a mitigated determination of non -significance to allow placement of fill on the Holiday Inn Express site, per King County Grading Permit #C9000374. King County (1986) identified an unnamed tributary to Hylebos Creek, hereafter called Stream 1, which is located in the west portion of the site (Figure 7a). Two steep slopes are located on either side of Stream 1, which are primarily vegetated with deciduous trees and shrubs. The property to the east of the steep ravine is primarily grassland that lies on a gentle west -facing slope. The west portion of the site is relatively flat. Surrounding land use includes commercial buildings adjacent along most of the north and west property boundaries, and Pacific Highway South along the east property boundary. Undeveloped coniferous forest borders the south property line. 3.3 STREAM DESCRIPTION Raedeke Associates, Inc. (2006) identified and flagged the on -site portion of the OHWM of Stream 1 in May 2006. Figure 7a depicts the OHWM of the on -site stream, as surveyed by professional surveyors at Sadler/Barnard & Associates, Inc. Stream 1 originates off -site to the north of the Holiday Inn Express property, flowing south through a 72-inch corrugated metal culvert that was installed at the north end of the project site as part of the fill placement in the mid- 1980's. Stream 1 flows off -site to the south. The Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 C stream substrate has cobbles generally less than three inches in diameter, and minimal sediment deposition was evident. 3.4 OFF -SITE WETLAND DESCRIPTION During our July 23, 2007 investigation of the off -site wetland, we observed "edge of wetland" survey stakes that generally corresponded to the wetland boundary depicted on a survey map provided to Sweeney Designs by the City of Federal Way (Figures 7a and 7b). The south wetland boundary appears to follow the toe of a steep slope. Based on visual observations of existing vegetation, topography, and evidence of inundation, the staked wetland edge appeared to accurately reflect the current wetland boundary. Raedeke Associates, Inc. (1988) indicated that the off -site wetland is 0.53 acres in size. According to Raedeke Associates, Inc., a majority of the off -site wetland visible from the Holiday Inn Express site consisted of black cottonwood (Populus balsamifera ssp. Trichocarpa, FAC) and red alder (Alnus rubra), trees along the edge of the wetland, as well as Pacific willow (Salix lucida ssp. Lasiandra, FACW+) trees, Sitka willows (Salix sitchensis, FACW), redosier dogwood (Cornus sericea, FACW), and twinberry honeysuckle (Lonicera involucrata, FAC+) towards the center of the wetland. At the time of our July 23, 2007 site visit, some standing water was visible in the center of the wetland; however, we could not confirm the inundation depth. Water from the off - site wetland discharges south into the stream on the Holiday Inn Express site via a 72- inch -wide metal culvert (Figure 7a). According to Raedeke Associates, Inc. (1988), soils within the wetland consist of silt loams, gravelly sand, and some organic soils. Raedeke Associates, Inc. (1988) designated a small area of the west -central portion of the wetland was "palustrine, open water — seasonally flooded." Raedeke Associates, Inc. (1992) subsequently revised the USFWS (Cowardin et al. 1992) classification of the wetland to a palustrine, scrub -shrub, broad-leaved deciduous (PS S 1) wetland. Based on relatively recent aerial photos of the off -site wetland (King County 2007; Figure 2) and based on visual observations of the wetland on July 23, 2007, we did not observe any portion of the wetland that had less than 30% canopy cover by shrub, tree, or emergent species rooted in the wetland. Thus, the off -site wetland consists of at least 30% cover by deciduous tree species and thus would be classified as a palustrine, forested, broad-leaved Ldeciduous (PFO1) wetland per the USFWS (Cowardin et al. 1992) classification system. This corresponds with the USFWS (2007) designation of the wetland as a palustrine, forested, seasonally flooded (PFOC) wetland on their NWI map (Figure 3). L Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 r r r r r L 3.5 UPLAND DESCRIPTIONS Please refer to Raedeke Associates, Inc. (2006; Appendix A) for a complete description of the uplands located on the Holiday Inn Express site. Upland vegetation immediately south of the wetland boundary mainly consists of Himalayan blackberry (Rubus armeniacus, FACU). Because we were not able to access the property to the north, we were unable to sample soils within the uplands adjoining the wetland. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 0 4.0 WETLAND FUNCTIONAL ASSESSMENT Per Section 22-1357 of the City of Federal Way (2005) Critical Areas code, the City requires an evaluation and assessment of existing or potential functions and values of wetlands on or within 200 feet of the project site. Because Raedeke Associates, Inc. was not granted access to the adjoining property to the north of the Holiday Inn Express site, the following discussion is based upon the functional assessment provided in Section 5.2 of Raedeke Associates, Inc. (1992), as updated with available background information and visual observations from our July 23, 2007 site visit. Raedeke Associates, Inc.'s (1992) assessment of functions and values of the off -site wetland discussed surface water control, wildlife habitat, pollution and erosion control, groundwater exchange, open space and aesthetic contrast, and recreational, educational and cultural opportunities. 4.1 SURFACE WATER CONTROL Raedeke Associates, Inc. (1992) concluded that the off -site wetland contributes to flood control and water storage based on the presence of silt loam soils to store and release water, as well as the presence of dense vegetation to slow surface water flows. The basic configuration of the wetland appears to be relatively unchanged since 1987, indicating the wetland generally has maintained its capacity to store floodwaters. We observed dense scrub -shrub vegetation in the south portion of the wetland during our July 23, 2007 site visit, and thus the wetland continues to attenuate flood flows. 4.2 WILDLIFE HABITAT Raedeke Associates, Inc. (1992) indicated that the off -site wetland provided limited food, cover, and breeding opportunities for some small mammal, bird, reptile, and amphibian species. At the time of their investigation, the forested stratum of the wetland had not developed. Currently, a deciduous forest canopy covers most of the wetland, which has increased the structural complexity of the wetland and increased the input of woody debris and leaf litter. As in 1992, the wetland is protected by a relatively undisturbed 25- foot-wide buffer; however, the wetland is still isolated from other habitats due to the presence of surrounding development. Raedeke Associates, Inc. (1992) concluded that the wetland does not support a fish L population due to the seasonal nature of the stream and lack of appropriate habitat. Current inventories of salmonid use in streams (WDFW 2002, 2003, WDNR 2007, StreamNet 2006) indicate that salmonid species are not present in the reach of stream on L the Holiday Inn Express site. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 I I 4.3 POLLUTION AND EROSION CONTROL The Raedeke Associates, Inc. (1992) report indicated the off -site wetland provided pollution and erosion control functions through the presence of an emergent vegetation community and open water. These communities have mainly developed into scrub -shrub vegetation. Assuming the general configuration of the wetland has not changed, it is still able to store water to allow sediments and pollutants to settle out of the water column. The presence of more thin -stemmed emergent or woody vegetation also means the wetland has at least the same, and likely more, capacity to trap sediments. If organic soils are still present in the off -site wetland, then the wetland also has the capacity to adsorb any heavy metal compounds that may enter the wetland. 4.4 GROUNDWATER EXCHANGE The potential of the off -site wetland to provide groundwater discharge and recharge is relatively low because of its small size and the topographic location of the wetland, which precludes groundwater discharge back into surrounding uplands (Raedeke Associates, Inc. 1992). Since the overall size and position of the wetland has not substantially - changed, the wetland likely still provides minimal groundwater discharge and recharge. 4.5 OPEN SPACE & AESTHETIC CONTRAST The off -site wetland provides a small patch of open space that subsequently provides a distinct contrast to surrounding urbanized lands. Enhancement of the wetland and wetland buffer with native shrub and tree species has increased the structural complexity and plant species diversity in the wetland, thus increasing its overall aesthetic value. 4.6 RECREATIONAL, EDUCATIONAL, AND CULTURAL FUNCTIONS AND VALUES L At the time Raedeke Associates, Inc. (1992) prepared the functional assessment for the off -site wetland, the wetland was located on private property and did not contain species Lof interest or special habitat features that would warrant recreational, cultural, educational or scientific value. The wetland is still located on private, difficult -to -access land, and ` - thus is unlikely to have the above -mentioned values. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 8 5.0 REGULATORY CONSIDERATIONS Wetlands and streams are protected by Section 404 of the Federal Clean Water Act and other state and local policies and ordinances including the City of Federal Way (2007) Critical Areas Code. Regulatory considerations pertinent to wetlands identified within the study area are discussed below, but this discussion should not be considered comprehensive. Additional information may be obtained from agencies with jurisdictional responsibility for, or interest in, the site. A brief review of the U.S. Army Corps of Engineers (COE) regulations and City of Federal Way policy relative to wetlands and streams is presented below. 5.1 FEDERAL CLEAN WATER ACT (U.S. ARMY CORPS OF ENGINEERS) Federal law (Section 404 of the Clean Water Act) generally discourages the discharge of dredged or fill material into the nation's waters, including most wetlands, without a permit from the COE. The COE makes the final determination as to whether an area meets the definition of a wetland as defined by the federal government (Federal Register 1986:41251), and thus, if it is under their jurisdiction. We should caution that the placement of fill within wetlands or other Waters of the U.S. without authorization from the COE is not advised, as the COE makes the final determination as to whether any permits would be required for any proposed alteration. As the COE makes the final determination regarding permitting under their jurisdiction, we recommend requesting a jurisdictional determination from the COE prior to any construction activities, if any modification of wetlands is proposed. A jurisdictional determination would also provide evaluation and confirmation of our wetland ( delineation by the COE. 5.2 CITY OF FEDERAL WAY 5.2.1 Streams Ratings and Standard Buffers Currently the City of Federal Way (2007) regulates streams under Article I — "In General" (definitions) and Article XIV — "Critical Areas." Under these regulations, streams are rated as Major or Minor streams, with Major Streams being "any stream, and the tributaries to any stream, which contains, or supports, or under normal circumstances contains or supports, resident or migratory fish." The standard setback for a major stream is 100 feet outward of the OHWM of the stream. Based on the results of our initial background review and field investigation in 2006 (Raedeke Associates, Inc. 2006), Stream 1 has been rated as a "Major Stream" (City of Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 E Federal Way 2005a). Stream 1 likely received this rating because it is a tributary to West Hylebos Creek, which has documented anadromous and resident fish presence (WDFW 2002, Streamnet 2006). Portions of Stream 1 outside of the on -site culvert would receive a standard 100-foot-wide setback as measured perpendicular from the OHWM. The City of Federal Way (2007) does not apply stream setbacks to any segment of a stream that is presently within, and will remain within, a culvert. Development Standards and Mitigation Options Intrusions into stream buffers are subject to the conditions in Sections 22-1312 and 22- 1313 in Article XIV of the City of Federal Way's (2007) Critical Areas Code. Depending on the proposed intrusion, the activity may be subject to Process III or IV review, as detailed in Articles VI and VII of the City of Federal Way's (2007) Critical Areas Code. t 5.2.2 Wetlands Ratings and Standard Buffers The City of Federal Way (2007) also regulates streams under Article I — "In General" (definitions) and Article XIV — "Critical Areas." Under these regulations, wetlands are regulated as Category I, II or III wetlands. Category I wetlands meet one of the following criteria: (1) they contain the presence of species or documented habitat recognized by state or federal agencies as endangered, threatened or potentially extirpated plant, fish or animal species; (2) they contain the presence of plant associations of infrequent occurrence, irreplaceable ecological functions, or exceptional local significance including but not limited to estuarine systems, peat bogs and fens, mature forested wetlands, groundwater exchange areas, significant habitat or unique educational sites; or (3) they have three or more wetland classes, one of which is open water. Category II wetlands are greater than 2,500 square feet in area, do not exhibit the characteristics of Category I wetlands, and meet one of the following criteria: (1) they are contiguous with water bodies or tributaries to water bodies which under normal circumstances contain or support a fish population, including streams where flow is intermittent; (2) are greater than one acre in size in its entirety; or (3) are less than or equal to one acre in size in its entirety and have two or more wetland classes, with neither class dominated by non-native invasive species. Category III wetlands are greater than 2,500 square feet in area and do not exhibit those characteristics of Category I or II wetlands. Based on our background review of available inventories (WDFW 2002, 2003, StreamNet 2006, WDNR 2007) and previous reports (Raedeke Associates, Inc. 1988, 1992), the off -site wetland to the north of the Holiday Inn Express site does not contain documented habitat for sensitive species or infrequent or irreplaceable plant associations or ecosystems. The off -site wetland now only consists of one wetland class (palustrine forested) as would be defined in the USFWS (Cowardin et al. 1992) classification system; Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 10 the open water component documented in Raedeke Associates, Inc. (1988) no longer is present in the wetland. Thus, the off -site wetland would be a Category II wetland under the City of Federal Way (2007) Critical Areas code since it is contiguous with a tributary to a stream that contains or supports a fish population (West Hylebos Creek). Therefore, the off -site wetland would receive a standard 100-foot-wide buffer measured from the edge of the wetland boundary (Figures 7a, 7b). Development Standards and Mitigation Options Development in wetlands or wetland buffers are subject to the conditions in Sections 22- 1358 and 22-1359 in Article XIV of the City of Federal Way's (2007) Critical Areas Code. Proposed activities may be subject to Process III or IV review, as detailed in Articles VI and VII of the City of Federal Way's (2007) Critical Areas Code. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 11 6.0 IMPACTS This discussion of project impacts to on -site streams and buffers, as well as off -site wetlands, is based on the site plan prepared by TRT Engineering and received in our offices on January 7, 2008, as well as discussions with TRT Engineering regarding specific design elements of the Holiday Inn Express development. The proposed development involves the construction of a 4-story hotel, which would have a footprint totaling 13,213 square feet, and associated parking and access. 6.1 DIRECT IMPACTS 6.1.1 Stream Impacts The proposed development would result in no direct impacts to Stream 1 (Figure 8). The stream would be retained in its current state, as open space along with the required 100- foot buffer. 6.1.3 Wetland Impacts The proposed development on the Holiday Inn Express site would result in no direct impacts to the off -site wetland located north of the project site (Figure 8). The proposed development would also retain the required 100-foot wetland buffer as open space. 6.2 INDIRECT STREAM AND WETLAND IMPACTS Several environmental processes occur at a site -wide and watershed -wide scale that can indirectly affect the structural characteristics of aquatic resources, and thus affect — negatively or positively - the water quality, hydrologic, and habitat functions provided by such aquatic resources (Stanley et al. 2005, Sheldon et al. 2005). i Unless properly mitigated, the removal of forested and other vegetation, the removal and compaction of topsoil, the construction of impervious surfaces, and alterations in overland flow drainage patterns may decrease groundwater recharge, reduce the downward movement of subsurface flow, and/or result in increased surface runoff flows (Stanley et al. 2005, Sheldon et al. 2005). Soil disturbance, vegetation removal, and runoff from streets, roads, and trails may also increase the delivery of sediments and pollutants to aquatic resources. Cumulatively, alterations to vegetation and soil may have a wide range of impacts on the functions wetlands provide, and thus should be evaluated on a case -by -case basis. Below is a discussion of potential indirect impacts to Stream 1 and the off -site wetland from the proposed Holiday Inn Express development. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 12 r F F 6.2.1 Indirect Stream Impacts Hydrologic Impacts Removal of existing vegetation and soil compaction as well as construction of impervious surfaces for the proposed Holiday Inn Express development may alter the timing and release of surface water and interflow that reaches the on -site stream from the east portion of the site. However, most of the development would occur on grassland, which does not provide the optimum stormwater runoff reduction that dense forest and scrub -shrub vegetation would provide (King County Department of Natural Resources and Parks 2005). The remainder of the site where development is proposed consists of existing buildings and asphalt (see Figure 7a). The proposed stormwater management design for the development would route surface water runoff from impervious surfaces to a stormwater vault in the south-central portion of the site (Figure 8). The City of Federal Way (2005) requires new site developments to comply with the King County (1998) Surface Water Design Manual. The City of Federal Way (2005a) Flow Control Application Map indicates that Level 1 flow control, per the King County (1998) Surface Water Design Manual, is required for the project site. Stormwater from the proposed vault would discharge into the east edge of Stream 1 via an energy -dissipating flow spreader. The stormwater vault and dispersal facility have been designed to provide Level 1 flow control (Mr. Tim Turner, TRT Engineering pers. comm. January 8, 2008). Level 1 flow control requires matching the developed peak discharge rates to the pre - development discharge rates for 2- and 10-year return periods. Pre -development and post -development (vault -detained) peak flows on the Holiday Inn Express site were calculated by TRT Engineering (2008) using HydroCAD® 8.00. The HydroCAD® 8.00 model calculated that peak discharge on the site during the 2-year storm event would be 0.14 cubic feet per second (cfs) after development and detention, which matches peak discharge under existing conditions. Post -development and detention discharge rates during the ten-year storm event would be 0.29 cfs, which would be slightly lower than pre -development discharge (0.30 cfs). Therefore, the proposed surface water detention and dispersal likely would minimize changes to the amount and timing of water that reaches Stream 1 from the east portion of the site during high -precipitation events. Furthermore, restoration and retention of 100% of the standard 100-foot-wide stream buffer on the east side of the stream will ensure that surface and subsurface flows continue to reach Stream 1 during normal precipitation s events. There is no proposed development on the portion of the site that is west of Stream 1. Therefore, there should not be any changes in surface and subsurface discharge into Stream 1 from the west side of the site due to the proposed development. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 13 Water Quality Impacts As discussed in Section 6.1.2, the stormwater treatment vault has been designed to meet the requirements of the City of Federal Way (2005b). If the on -site stormwater quality control structures fail during high -precipitation events, the on -site stream could be affected by indirect water quality impacts. Any runoff from streets, roads, and other impervious surfaces that is not routed to the stormwater detention/treatment facility could also increase the contaminant loading to the on -site stream. However, on -site runoff from impervious surfaces would be directed to the stormwater facility for treatment prior to discharge to the stream. Overall, implementation of the proposed water quality treatment facilities and temporary erosion and sediment control (TESL) measures as required by the City of Federal Way (2005b) would minimize water quality impacts to the on -site stream. 6.2.2 Indirect Wetland Impacts As mentioned above, the proposed Holiday Inn Express development would alter the existing conditions of portions of uplands on the eastern portion of the site, and thus alter existing surface and subsurface flows. However, based on the existing topography on the site, most of the surface and subsurface water on the east portion of the site generally flows west and southwest, away from the off -site wetland (Figure 7a). At the most, under current conditions, the north one-third of the site potentially contributes surface and subsurface flows to the off -site wetland. Thus, a majority of the proposed development should result in minimal changes to surface and subsurface flows that reach the off -site wetland. Deposition of sediment into the wetland by wind or water can result in a loss of stormwater storage capacity and can affect habitat conditions, thus altering vegetation communities and wildlife use of the wetlands. However, the proper installation and maintenance of the proposed stormwater treatment facility and implementation of (TESC) measures as required by the City of Federal Way (2005) would minimize water quality impacts to the off -site wetland during construction. No runoff from developed (impervious) surfaces would be discharged to the wetland, thus it is unlikely there would be any long-term water quality impacts to the wetland. The proposed development would remove most of the pasture and grassland on the east portion of the site, thus resulting in an unavoidable loss of habitat for some types of wildlife. Except for the temporary disturbance associated with the installation of the sewer line, there will be no disturbance to the connectivity of the off -site wetland and buffer with the on -site stream or riparian corridor that extends off -site to the south. In addition, stormwater controls are expected to maintain surface water discharge peak flow Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 14 rates at pre -development levels. Therefore, it is expected that there will be minimal changes to the vegetative characteristics of the wetland that support Wildlife habitat. Grading and construction activities associated with the proposed development, as well as increased levels of human activity on -site, would also result in increased short- and long- term disturbance to wildlife species using the retained habitat areas. This would further reduce the suitability of the on -site habitats to some wildlife species (Penland 1984). Some species adapted to urban environments and fringes, including many non-native plant and animal species, may find suitable habitat on -site and become established and/or increase in numbers. Those species less adapted to urban environments, however, would be expected to decrease in numbers. 6.3 STREAM AND WETLAND BUFFER IMPACTS 6.3.1 Stream Buffer Impacts The proposed construction of a 12-inch-diameter stormwater pipe would require excavating an approximately 3-foot-wide trench through the 100-foot-wide buffer of Stream 1, would result in up to 1,151 square feet of temporary disturbance to the buffer due to construction activities (Figure 8). Disturbed portions of the buffer would be restored with native vegetation upon completion of the stormwater pipe installation (See Section 7.3). The proposed construction likely will likely be construed as an "other intrusion" per Section 22-1312(c) of the City of Federal Way (2007) Critical Areas Code. Thus, the proposed work would be subject to a Process IV review, which requires a Hearing Examiner's decision and compliance with the conditions set forth Article VII of the City of Federal Way (2007) Code. The development will also be subject to the conditions of Sections 22-1312(c) and 22-1313 of the City of Federal Way (2007) Critical Areas Code. These development standards are discussed below, as well proposed project design elements to comply with these requirements. Stream Buffer- "Other Intrusion " Development Standards The proposed construction of the stormwater outfall pipe would be subject to the following conditions per Section 22-1312(c) of the City of Federal Way (2007) Critical Areas Code, which requires that: The intrusion will not adversely affect water quality: The proposed construction of the stormwater pipeline would implement temporary erosion and sediment control (TESC) measures as required by the City of Federal Way (2005) to minimize water quality impacts to the on -site stream during pond outfall construction. The project engineer has designed the stormwater detention/treatment vault and pond outfall to Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 15 'I meet the water quality standards in the King County (1998) Surface Water Design Manual (SWDM), as required by the City of Federal Way (2005b; Mr. Tim Turner, TRT Engineering pers. comm. January 7, 2008). Furthermore, the detention and treatment facility will incorporate additional water quality design features into the vault design per King County's (1998) "Resource Stream Protection Menu." Replanting of the buffer with native vegetation after sewer line construction is completed will restore water quality protection functions to the stream buffer. 2. The intrusion will not adversely affect the existing quality of wildlife habitat within the stream or setback area: Vegetation in the proposed stormwater pipe location consists mainly of grassland in the east portion of the buffer and deciduous trees and shrubs in the west portion of the buffer. Clearing and excavation will result in temporary disturbance to the vegetation cover within this area; however, restoration with native woody vegetation will restore structure and diversity, and thus wildlife habitat function, to the buffer. The intrusion will not adversely affect drainage or stormwater retention capabilities: The proposed stormwater pipe location would cross a steep slope that does not provide substantial stormwater retention capabilities. The final "footprint" would not result in a considerable change to the existing topography of the stream buffer, and the temporarily disturbed area will be revegetated. Thus it is unlikely the proposed intrusion will affect drainage patterns within the buffer. 4. The intrusion will not lead to unstable earth conditions nor create erosion hazards: As mentioned under condition #1, TESC measures as required by the City of Federal Way (2005b) will be implemented during and after construction. The stormwater outfall to the creek would include an energy -dissipating flow spreader designed per King County (1998) standards, and peak flow rates through the outfall pipe will be attenuated by the detention system (Turner 2008). Revegetation will stabilize soils in the disturbed portion of stream buffer. Therefore, the proposed pipe and outfall construction likely will not lead to unstable earth conditions or erosion hazards. 5. The intrusion will not be materially detrimental to any other property in the area of the subject property nor to the city as a whole, including the loss of significant open space: The stormwater pipe and outfall design and construction would comply with all applicable Federal Way laws and would occur in a portion of the site that does not adjoin any existing businesses, residences, or other facilities; therefore, the pond outfall construction likely would not be materially detrimental to any other property in the area or the city as a whole. Soils and vegetation within the buffer that would be temporarily disturbed would subsequently,be restored to Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 16 conditions comparable to pre -development conditions; thus there will be no permanent loss to open space. 6. The intrusion is necessary for reasonable development of the subject property: rThe locations of the stormwater pipe and outfall are necessary because on -site disposal l is not feasible due to unsuitable soils on the site for infiltration (Turner 2008). rAdditional Requirements for Land Surface Modification Per Section 22-1313 of the City of Federal Way (2007) Critical Areas Code, the proposed rstream buffer intrusion will also need to meet the following design requirements: 1. All fill material used must be nondissolving and nondecomposing. The proposed _ fill material must not contain organic or inorganic material that would be detrimental to water quality or the existing habitat: The stormwater pipe construction would use soils excavated within the buffer as trench backfill. Crushed rock bedding placed below the pipe would comply with the bedding materials requirements in the King County (1998) SWDM. 2. The applicant may deposit dredge spoils on the subject property only if part of an approved development on the subject property: The proposed development would not involve the removal of earth or other materials from a body of water, watercourse, or wetland. The applicant shall stabilize all areas left exposed after land surface modification with native vegetation normally associated with the stream or setback area: The stream buffer that will be temporarily disturbed by the stormwater pipe construction will be restored with native vegetation typical of stream buffer vegetation in the area (see Section 7.3). 6.3.2 Wetland Buffer Impacts The proposed construction of a 6-inch-diameter sanitary sewer line would connect into an existing sewer line that runs north -south through the central portion of the site. This construction would require excavating an approximately 3-foot-wide trench through the on -site portion of the 100-foot-wide wetland buffer, resulting in up to 916 square feet of temporary disturbance (Figure 8). The area of disturbance would be restored after Lconstruction of the sewer line is complete (See Section 7.3). The proposed development in the wetland buffer likely will be considered a "buffer modification" per Section 22-1359(f) of the City of Federal Way (2007) Critical Areas Code, and be subject to a Process IV review. Development requirements under Section 22-1359 of the City of Federal Way (2007) Critical Areas Code include: Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 L 17 The modification will not adversely affect water quality: As described in Section 6.1.2, TESC measures as required by the City of Federal Way (2005) will be implemented during development. Replanting with native vegetation will restore water quality protection functions to the wetland buffer. 2. The modification will not adversely affect the existing quality of the wetland's or buffer's wildlife habitat: The existing wetland buffer where the proposed sewer line would be constructed mainly consists of grassland and invasive Himalayan blackberry. Revegetation of the wetland buffer with native woody vegetation will likely increase the structure and diversity of the wetland buffer, thus improving wildlife habitat within the area of disturbance. 3. The modification will not adversely affect drainage or stormwater retention capabilities: The sewer line location lies on a relatively gentle slope that does not provide substantial stormwater retention capabilities. The final footprint of the sewer line would not result in a substantial change to the existing topography of the wetland buffer, and the temporarily disturbed area will be revegetated. Thus it is unlikely the proposed intrusion will affect drainage patterns within the buffer. 4. The modification will not lead to unstable earth conditions nor create erosion hazards: Construction of the sewer line will implements TESC measures as required by the City of Federal Way (2005b). Revegetation will stabilize soils in the disturbed portion of wetland buffer. 5. The modification will not be materially detrimental to any other property in the area of the subject property nor to the city as a whole, including the loss of open space. The sewer line design and construction would comply with all applicable Federal Way regulations and would occur in a portion of the site that does not adjoin any existing businesses, residences, or other facilities; therefore, the sewer line construction likely would not be materially detrimental to any other property in the area or the city as a whole. Soils and vegetation within the buffer that would be L temporarily disturbed would subsequently be restored to conditions comparable to pre - development conditions; thus there will be no permanent loss to open space. L Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 18 7.0 MITIGATION Mitigation has been defined by the State Environmental Policy Act (SEPA) (WAC 197- 11-768; cf. Cooper 1987), and more recently in a Memorandum of Agreement between the Environmental Protection Agency and the U.S. Army Corps of Engineers (Memorandum 1989). In order of desirability, mitigation may include: Avoidance - avoiding impacts by not taking action or parts of an action; 2. Minimization - minimizing impacts by limiting the degree or magnitude of the action and its implementation; Compensatory Mitigation - which may involve: a) repairing, rehabilitating, or restoring the affected environment; b) replacing or creating substitute resources or environments; c) mitigation banking. The proposed site plan incorporates mitigating measures that would avoid, minimize, and/or mitigated for impacts to on -site sensitive areas and buffers. 7.1 AVOIDANCE OF IMPACTS As noted previously, direct impacts (i.e., fill or excavation) to the off -site wetland or on - site portion of Stream 1 on the Holiday Inn Express site would not occur under the proposed site plan. The proposed site plan would also result in no disturbance to at least 95% of the on -site portion of the standard 100-foot buffer for the wetland and Stream 1. 7.2 MINIMIZATION OF IMPACTS Measures to minimize temporary disturbances to the wetland and stream buffers on the project site are discussed in Sections 6.1 and 6.2. 7.3 COMPENSATORY MITIGATION The installation of stormwater and sewer lines will result in up to 1,151 square feet and 916 square feet of temporary impacts to the on -site stream and wetland buffers, respectively (Figure 8). The proposed buffer restoration plan would restore equal or greater functions to portions of the on -site stream and wetland buffers that will be temporarily impacted by installation of sewer and water lines for the development. This goal would be accomplished by replanting the temporarily disturbed portions of stream Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 MI and wetland buffers with native, shallow -rooted woody vegetation. Species would be selected based on those native woody species currently found in uplands adjoining the wetland and stream, as well as those appropriate to hydrologic conditions provided and which are in compliance with applicable regulations regarding utility line construction and maintenance. f Concurrent with the preparation of detailed engineering plans for final approval, full conceptual and final buffer restoration plans would be developed based upon available ` site plan information. The conceptual buffer restoration plan would present: (1) proposed design features and their locations, (2) mitigation goals and objectives, (3) monitoring plan outline, (4) evaluation criteria and performance standards, and (5) discussion of contingency plans and bonding. Upon approval of the conceptual buffer restoration plan, a final planting plan and construction specifications would be prepared in conjunction with a landscape architect. The final planting plan would specify such items as: (1) plant species, quantities, and - sizes, (2) planting locations, (3) general notes, (4) planting details, (5) construction timing, (6) protection of existing vegetation, (7) source of plant material, (8) soil amendments, (9) watering, and (10) maintenance. Specific plantings (consisting of native l species, subject to availability) for the mitigation area would be developed in coordination with the City of Federal Way. The compensatory buffer restoration plans would include a systematic monitoring program to assess the success of the effort (Cooper 1987). The monitoring program would include construction, compliance, and long-term monitoring. The results of the monitoring would be used to develop any needed modifications or alterations of the mitigation site in subsequent years. The purposes of the monitoring program would be to: (1) document the physical and biological characteristics and wetland community development within the mitigation area; and (2) assure that the mitigation goals and objectives have been met and comply with permit specifications. Performance standards of success (for use in monitoring), as well as contingency plans, would also be developed in coordination with the City of Federal Way. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 00 8.0 LIMITATIONS We have prepared this report for the exclusive use of Sweeney Designs, and their consultants. No other person or agency may rely upon the information, analysis, or conclusions contained herein without permission from Sweeney Designs. The determination of ecological system classifications, functions, values, and boundaries is an inexact science, and different individuals and agencies may reach different conclusions. With regard to wetlands, the final determination of their boundaries for regulatory purposes is the responsibility of the various agencies that regulate development activities in wetlands. We cannot guarantee the outcome of such determinations. Therefore, the conclusions of this report should be reviewed by the appropriate regulatory agencies. We warrant that the work performed conforms to standards generally accepted in our field, and was prepared substantially in accordance with then -current technical guidelines and criteria. The conclusions of this report represent the results of our analysis of the information provided by the project proponent and their consultants, together with information gathered in the course of the study. No other warranty, expressed or implied, is made. L Holiday Inn Express Federal Way - LWetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 21 9.0 LITERATURE CITED Cooper, J.W. 1987. An overview of estuarine habitat mitigation projects in Washington State. Northwest Environmental Journal 3 (1) :112-127. Cowardin L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1992. Classification of wetlands and deepwater habitats of the United States. USDI Fish and Wildlife Service. Publication. FWS/OBS-79/31. 131 pp. Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1, US Army Engineers Waterways Experiment Station, Vicksburg, Mississippi. 100 pp. Federal Interagency Committee for Wetland Delineation. 1989. Federal Manual for Identifying and Delineating Jurisdictional Wetlands. U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, U.S. Fish and Wildlife Service, and U.S.D.A. Soil Conservation Service, Washington, D.C. Cooperative technical publication. 76 pp. plus appendices. Federal Way, City of. 2005a. Flow control applications map. March 2005. http://www.cityoffederalway.com/folders/home/businesseconomicdevelopment/ci tymaps/environmentalmaps/flowcontrol.pdf Federal Way, City of. 2005b. Storm Drainage. Chapter 4 in City of Federal Way Public Works Development Standards. February 2005. http://www.cityoffederalway.com/folders/home/yourcityservices/streetstraffic/dev elopmentstandards/Chapter%204%20-%20 Storm%20Drainage.pdf Federal Way, City of. 2005c. Stream ratings map. http://www.cityoffederalway.com/GetFile.aspx?id=10443. January 2005. Federal Way, City of. 2007. Federal Way City Code. Current through Ordinance 07- 559, passed July 3, 2007. King County. 1986. Mitigated determination of non -significance for File #2752-60, proponent: Robert L. Wright. March 11, 1986. King County. 2007. GIS interactive map center (iMAP), King County, Washington. http://www.metrokc.gov/gis/iMAP—main.htm#. Accessed August 13, 2007. King County Department of Natural Resources. 1998. King County, Washington surface L water design manual. September 1998. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 22 King County Department of Natural Resources and Parks. 2005. King County, Washington surface water design manual. January 24, 2005. Memorandum. 1989. Memorandum of Agreement between the U.S. Environmental Protection Agency and the Department of Army Concerning the Determination of Mitigation under the Clean Water Act, Section 404 B 1 Guidelines. Effective 7 November 1989. Penland, S. 1984. Avian response to a gradient of urbanization. PhD. Dissertation, University of Washington, Seattle, Washington. 407 pp. Raedeke Associates, Inc. 1988. Wetland assessment and enhancement report for the Starkovich Property, King County, Washington. August 18, 1988 report to Yellowstone Investment Company, Federal Way, Washington. Raedeke Associates, Inc. 1992. Updated wetland assessment of the Brooklake Village property, Federal Way, Washington. August 13, 1992 report to Yellowstone Investment Company, Federal Way, Washington. Raedeke Associates, Inc. 1998. Brooklake Village mitigation monitoring — Final wetland buffer mitigation monitoring report. November 5, 1998 report to Yellowstone Investment Company, Federal Way, Washington. Raedeke Associates, Inc. 2006. Wright Federal Way - stream delineation and wetland reconnaissance. July 7, 2006 letter to Mr. Bob Wright, Federal Way, Washington. Sheldon, D., T. Hruby, P. Johnson, K. Harper, A. McMillan, T. Granger, S. Stanley, and E. Stockdale. 2005. Wetlands in Washington State — Volume 1: A Synthesis of the Science. Washington State Department of Ecology. Publication #05-06-006. Olympia, Wa. March 2005. Snyder, D., P. Gale, and R. Pringle. 1973. Soil Survey of King County area, Washington. U.S.D.A. Soil Conservation Service. 100 pp. Stanley, S., J. Brown, and S. Grigsby. 2005. Protecting Aquatic Ecosystems: A Guide for Puget Sound Planners to Understand Watershed Processes. Washington State Department of Ecology. Publication #05-06-027. Olympia, Wa. December 2005. StreamNet. 2006. Pacific NW interactive mapper. http://map.streamnet.org/snetmapper/viewer.htm. Accessed May 31, 2006. TRT Engineering. 2008. Drainage diagram for Pacific. January 2, 2008. Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 23 f r- I L Turner, T. 2007. "Re: Federal Way" Email to Ms. Lisa Danielski. December 28, 2007. Turner, T. 2008. "Re: Federal Way" Email to Ms. Lisa Danielski. January 8, 2008. U.S. Fish and Wildlife Service National Wetlands Inventory. 2007. Online Mapper. http://wetlandsfws.er.usgs.gov/NWI/index.html. Accessed 2007. Washington Department of Fish and Wildlife. 2003. SalmonScape. http-//wdfw.wa.gov/mapping/sahnonscape/index.html. Washington Department of Fish and Wildlife. 2002. Priority habitats and species maps and reports in the vicinity of Township 26 North, Range 4 East, Section 28. April 19, 2002. Habitat Program, Olympia, Washington. Washington State Department of Natural Resources. 2007. Forest Practices Activity Map for Section 20 Township 18 North, Range 2 East, W.M. http://www3.wadnr,gov/dnrapp5/website/fpars.viewer.htm. Accessed August 13, 2007. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 FIGURES AND TABLES WAP �' ,S��t ea - �-.S335T1tST- -- --- �-. �� ••r�' �._ 5�.ryaY v, � ••� �, s �•ys n 4 S 3orH ST A nr:ACRO i/ A: t i _ alp f. le Of 3 s = r ---4�srtisr . PROTECT MaHake +Z 1 SITE's`r J If zz L '> ••> . Brook�.ake 11 0 ZZ i ff r I 1 WAP > _ I s T v - Legend 46 S 3a?FH Si y + MgMighted Fvabnc SAO Stream >c `o S3359Tff Si I �Il Country 9ounda7 Cat x Mountain Peaks lx Cts2Fnraam3l f 111BtMayS Ch— 2 S*mm4 b ` - al IncorporatedAtea /` CA-2 Streets O , •. F,,• M>o�i• O Lakes and Large Rivers cJ !7 x Any I Streams ID coy 1i 100 Year Floodplain F SaBtgTaL . ' Parcels SAO Wetland N •' ••� WIdIHe Network SAO Erosion c`t 1 {Cl2M"C—ty a 1067ft a CTFe rnfonrwYm rncYtdad an the map tos bm Conyrkd try K*n4 �wty from a vsrie[y M aurora and is 9u4jC[t to dnnge WWxK9 nice. King Couty mares m neprCsentabom or wcnrnnties, or YI�iL•d, >re tp amxary, Owrgl�lerev, ttrnelYness, or rlghhs W the Wr d ertcrn MvrrrKasarn YThs rkwctnera u no: irdc++dCG far n� as s wrwY P 9 C-vutuY e.Iall not Dc Fahle Mr ant' 9ETkrel, aPx� �rmt wi*rPbI or n�r.eTar�ntnn LV dtrrragzs,ncrd a r, but not lvnied m, kKL fCi'C+nuC9 u #lei xYo7rE n vn.ang from tl+4 re96 a mlraae o<f,ne idormat.Kla oor=kked onttia map Afy sale a King County C It:s raaP or utorncrtnnmtfis ;MP a VatdtrMd ex "o br wnoen Pat�� d 1(rg CaraNY v OaV:af132(W Same: ling Cmtty*MAP-Gensere Armsdm+r.meCOY[.9�+GIF.7M.4>'1 Figure 1. King County (2007) iMap showing general location of the project. r r r r W 3 0 r o 0 0 0 Figure 2. King County (2007) Nap aerial photo of the project site. Graphics on Server\2007\2007-025 Holiday Inn Express\00ITigure 3 NWI Map.pdf RAI#2007-025-001 Wetland and Stream Assessment 01/03 Figure 3. U.S. Fish and Wildlife National Wetland Inventory (2007) online wetland mapper for the project area. L L L AL North Figure 4_ U_S.D_A_ NRCS (Snyder, 1973) soil survey map for the project area 0 3 FOREST PRACTICE ACTIVITY MAP TOWNSHIP21 NORTH HALF 0, RANGE 4 EAST (W.M.) HALF 0, SECTION 20 Application # Please use the legend from the FPA Instruction or provide a list olsymbDIS used. Monday. August 13, 2" g27:41 AM HAD 83 Gontnur Intental:4D Feet LHTfPJN►ANW3.WADNR.G0V Figure 5. Washington Department of Natural Resources (2007) Forest Practice Activity Map for the project area. r f iwb s E Fede Cron PROJECT J& North Legend + Major Stream Q� Minor Stream Streams Wetlands (1998 City Survey) Figure 6. City of Federal Way (2005c) Stream Ratings Map for the project area. Graphics on Seiver1200712007-025 Holiday Inn Express1001 l Figure 7b Survey Map. pdf RAT#2007-025-001 - Wetland & Stream Asnmt 01/08 PST •--._. __ �...'.andr 541/•' _ -. rT to .- rlt ;tZ77 I. a� ., •r r.,rr •l ,111L 1 / 11 cb � r It � pLCpC f,4x �y 44 Ili' 9LL6. C �czlsnllal r'i d M1 f P [�1 J 3 [ 7 I� �1 J-r R 1 r,P.: 1.4. j Wetland Boundary 1 `rY:j-; (delineated by RAI, 1987; visually confirmed by RAI 1 on 7/23/07) a s .S !I � .. �=r'r•�'r-j/'!%!i/rr'riT Trrrl � b 4 sws a l _TM) '! A K�rarsr�r �wnr p f North Figure 7b. Survey of the wetland off -site, to the north of the project site. (Received from the City of Federal Way via Sweeney Designs, May 24, 2007). 34 Table 1. List of aerial photographs used in the study. Agency Date Type 1 Scale Wash. Dept. Natural Resources 1970 B&W 1"=1,000' Wash. Dept. Natural Resources (SP 85) 1985 B&W 1"=1,000' Wash. Dept. Natural Resources (SP 89) 1989 B&W 1"=1,000' Wash. Dept. Natural Resources (NW 95 series) 1995 B&W 1"=1,000' ! Wash. Dept. Natural Resources (NW 01 series) 2001 Color 1"=1,000' - 1 B&W = black and white photograph Enlg. = enlargement I Holiday Inn Express Federal Way - Raedeke Associates, Inc. Wetland and Stream Assessment Report January 30, 2008 35 r I. L Table 2. Summary of definitions of water types found on Washington Department of Natural Resources Forest Practice Base Maps (See Washington State Forest Practices Board [2004] for complete definitions). "Type F Water" means segments of natural waters other than Type S Waters, which are within the bankfull widths of defined channels and periodically inundated areas of their associated wetlands, or within lakes, ponds, or impoundments having a surface area of 0.5 acre or greater at seasonal low water and which in any case contain fish habitat or are described by one of the following four categories: (a) Waters, which are diverted for domestic use by more than 10 residential or camping units or by a public accommodation facility licensed to serve more than 10 persons, where such diversion is determined by the department to be a valid appropriation of water and the only practical water source for such users. Such waters shall be considered to be Type F Water upstream from the point of such diversion for 1,500 feet or until the drainage area is reduced by 50 percent, whichever is less; (b) Waters, which are diverted for use by federal, state, tribal or private fish hatcheries. Such waters shall be considered Type F Water upstream from the point of diversion for 1,500 feet, including tributaries if highly significant for protection of downstream water quality. The department may allow additional harvest beyond the requirements of Type F Water designation provided the department determines after a landowner - requested on -site assessment by the department of fish and wildlife, department of ecology, the affected tribes and interested parties that: (i) The management practices proposed by the landowner will adequately protect water quality for the fish hatchery; and (ii) Such additional harvest meets the requirements of the water type designation that would apply in the absence of the hatchery; (c) Waters, which are within a federal, state, local, or private campground having more than 10 camping units: Provided, That the water shall not be considered to enter a campground until it reaches the boundary of the park lands available for public use and comes within 100 feet of a camping unit, trail or other park improvement; (d) Riverine ponds, wall -based channels, and other channel features that are used by fish for off -channel habitat. These areas are critical to the maintenance of optimum survival of fish. This habitat shall be identified based on the following criteria: (i) The site must be connected to a fish habitat stream and accessible during some period of the year; and (ii) The off -channel water must be accessible to fish. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 36 Table 2. Continued "Type Np Water" means all segments of natural waters within the bankfull width of defined channels that are perennial nonfish habitat streams. Perennial streams are waters that do not go dry any time of a year of normal rainfall. However, for the purpose of water typing, Type Np Waters include the intermittent dry portions of the perennial channel below the uppermost point of perennial flow. If the uppermost point of perennial flow cannot be identified with simple, nontechnical observations (see board manual, section 23), then Type Np Waters begin at a point along the channel where the contributing basin area is: (a) At least 13 acres in the Western Washington coastal zone (which corresponds to the Sitka spruce zone defined in Franklin and Dyrness, 1973); (b) At least 52 acres in other locations in Western Washington; (c) At least 300 acres in Eastern Washington. "Type Ns Water" means all segments of natural waters within the bankfull width of the defined channels that are not Type S, F, or Np Waters. These are seasonal, nonfish habitat streams in which surface flow is not present for at least some portion of a year of normal rainfall and are not located downstream from any stream reach that is a Type Np Water. Ns Waters must be physically connected by an above -ground channel system to Type S, F, or Np Waters. For purposes of this section: (a) "Residential unit' means a home, apartment, residential condominium unit or mobile home, serving as the principal place of residence. (b) "Camping unit' means an area intended and used for: (i) Overnight camping or picnicking by the public containing at least a fireplace, picnic table and access to water and sanitary facilities; or (ii) A permanent home or condominium unit or mobile home not qualifying as a "residential unit' because of part time occupancy. (c) "Public accommodation facility" means a business establishment open to and licensed to serve the public, such as a restaurant, tavern, motel or hotel. (d) "Natural waters" only excludes water conveyance systems which are artificially constructed and actively maintained for irrigation. (e) "Seasonal low flow" and "seasonal low water" mean the conditions of the 7-day, 2-year low water situation, as measured or estimated by accepted Lhydrologic techniques recognized by the department. L L Holiday Inn Express Federal Way - Raedeke Associates, Inc. LWetland and Stream Assessment Report January 30, 2008 37 I L r i L L Table 2. Continued (f) "Channel width and gradient" means a measurement over a representative section of at least 500 linear feet with at least 10 evenly spaced measurement points along the normal stream channel but excluding unusually wide areas of negligible gradient such as marshy or swampy areas, beaver ponds and impoundments. Channel gradient may be determined utilizing stream profiles plotted from United States geological survey topographic maps (see board manual section 23). (g) "Intermittent streams" means those segments of streams that normally go dry. (h) "Fish habitat" means habitat which is used by any fish at any life stage at any time of the year, including potential habitat likely to be used by fish which could be recovered by restoration or management and includes off -channel habitat. Holiday Inn Express Federal Way - Wetland and Stream Assessment Report Raedeke Associates, Inc. January 30, 2008 F r r I APPENDIX A: f Wright Federal Way Stream Delineation (Raedeke Associates, Inc. 2006) 1 L July 7, 2006 Mr. Bob Wright 36200 1 e Ave. South Federal Way, WA 98003 RE: Wright Federal Way Stream Delineation and Wetland Reconnaissance R.A.I. Project #2006-045-001 Dear Mr. Wright: At your request, this letter summarizes the results of our investigation of the Wright Federal Way property. The project site consists of approximately 2.85 acres located in the southeast portion of Section 20, Township 21 North, Range 4 East W.M., in the City of Federal Way, Washington. Specifically, the site is located along the west side Pacific Highway South and south of S 348t' Street, as described to us by you on April 18, 2006 and depicted on King County's (2006) iMAP parcel viewer. The parcel we investigated is identified as King County Tax parcel 42021049044. The primary objective of our investigation was to examine the property to identify and delineate areas that could be defined and classified as regulatory wetlands or streams. We visited the site on May 31, 2006 to investigate the soil, vegetation, and hydrologic conditions of the property in order to determine the approximate locations of wetlands and/or streams. We also collected general descriptions of vegetation, soil, and hydrologic conditions in representative areas to document our observations. This letter is not intended to constitute a full wetland and stream delineation report. Nor does it include a discussion of potential project impacts to wetlands, streams, and wildlife habitat, or a discussion of potential mitigation measures for project impacts to sensitive areas. Ultimately, the City of Federal Way may require a full wetland and stream assessment report in order to complete its review of a development application for the site. DEFINITIONS AND METHODOLOGIES Wetlands and streams are protected by federal law, as well as by state and local regulations. Federal law (Section 404 of the Clean Water Act) generally prohibits the discharge of dredged or fill material into the nation's waters, including wetlands, without a permit from the U.S. Army Corps of Engineers (COE 2002). The COE makes the final determination as to whether an area meets the definition of a wetland, if it is under their jurisdiction, and whether any permits are required for any proposed alterations. RAEDEKE ASSOCIATES, INC 5711 Northeast 63rd St. Seattle, WA 98115 (206) 525-8122 Mr. Bob Wright July 7, 2006 Page 2 Wetlands We based our wetland investigation upon the guidelines of the COE Wetlands Delineation Manual (Environmental Laboratory 1987), as revised in the Washington State Wetlands Identification and Delineation Manual published by the Washington Department of Ecology (WDOE 1997). The WDOE wetland manual is required by state law for all local jurisdictions (including the City of Federal Way), is consistent with the 1987 COE wetland delineation manual with respect to wetland identification and delineation, and incorporates l subsequent amendments and clarifications provided by the COE (1991a, 1991b, 1992, 1994). A wetland is defined as an area "inundated or saturated by surface or groundwater r at a frequency and duration sufficient to support, and that under normal circumstances does I support, a prevalence of vegetation typically adapted for life in saturated soil conditions" (Federal Register 1986:41251). r t As outlined in the COE Wetlands Delineation Manual (Environmental Laboratory 1987) and WDOE (1997) Washington State Wetlands Identification and Delineation Manual, wetlands are distinguished by three diagnostic characteristics: hydrophytic vegetation (wetland plants), hydric soil (wetland soil), and wetland hydrology. Hydrophytic vegetation is present when "more than 50 percent of the dominant species are OBL, FACW, or FAC on lists of plants species that occur in wetlands" (Environmental Laboratory 1987:19). Under the WDOE (1997) methodology, dominant plant species provide at least 20% areal cover. Plants are rated, from highest to lowest probability of l l occurrence in wetlands, as obligate (OBL), facultative wetland (FACW), facultative (FAC), facultative upland (FACU) (Reed 1988, 1993). Those plant species not listed by Reed (1988, 1993) are rated UPI, by default (Federal Interagency Committee for Wetland Delineation 1989). Soils are specifically examined for hydric indicators immediately below the A horizon or 10 inches, whichever is shallower. Hydric soil indicators include, but are not limited to: (1) gley conditions, (2) mottling in a low chroma matrix, (3) histic (organic) soils, and (4) L saturated or inundated conditions. Soil colors were determined using Munsell Color (2000). In order for an area to have wetland hydrology according to the 1987 and 1997 manuals, soils must be saturated within a'major portion of the vegetation rooting zone (usually within 12 inches of the surface) for at least 5% of the growing season (Environmental Laboratory 1987, U.S. Army Corps of Engineers 1991b, 1992). Streams The City of Federal Way (2005) defines a stream as "a course or route, formed by nature, including those which have been modified by humans, and generally consisting of a channel with a bed, banks or sides throughout substantially all its length, along which surface waters naturally and normally flow in draining from higher to lower elevations." Mr. Bob Wright July 7, 2006 Page 3 A stream need not contain water year-round to meet this definition. The City of Federal Way (2005) stream definition does not include artificially -created watercourses, irrigation ditches or stormwater facilities, unless the watercourse is used by anadromous or resident fish or constructed from a stream that naturally occurred prior to construction. The City of Federal Way measures buffers for regulated streams from the ordinary high water mark (OHWM) of a stream, as defined in Section 22-1 of the City of Federal Way (2005) Code. BACKGROUND RESEARCH In preparation for our investigation, we collected and analyzed available background information for the project area. We reviewed maps and information from the U.S. Fish and Wildlife (USFWS 1987) National Wetlands Inventory (NWI) map, the USDA Soils Conservation Service (SCS) Soil Survey (Snyder et al. 1973), the Washington Department of Natural Resources (WDNR 2006) Forest Practices Base Map, and the City of Federal Way GIS Division (2005b) Surface Water Map, and the StreamNet (2006) Pacific NW interactive mapper. After completion of our site visit, we also reviewed the Washington Department of Fish and Wildlife (WDFW 2002) Priority Habitats and Species (PHS) map for the project area and the City of Federal Way GIS Division (2005a) Stream Ratings Map. The USFWS (1987) NWI map, Poverty Bay Quadrangle, does not depict any wetlands on the Wright property. A palustrine, scrub -shrub, seasonally flooded (PSSC) and palustrine, aquatic bed, permanently flooded (PABH) wetland complex is depicted adjacent to the northwest corner of the site. Approximately 1,000 feet southwest of the project site, the NWI maps a large PSSC, palustrine, forested, temporarily flooded (PFOA), palustrine, open water, permanently flooded (POWH) wetland complex. The SCS (Snyder et al. 1973) soils survey for King County maps soils on a majority of the project site as Everett-Alderwood gravelly sandy loams, 6 to 15 percent slopes (Map Symbol EwC). The Everett soil series is a somewhat excessively drained soil formed on very gravelly glacial outwash. This soil series is not classified as hydric (Federal Register 1995). The western portion of the site is mapped as Norma sandy loam (Map Symbol No), which is a poorly drained hydric soil found in basins of glaciated uplands and stream bottoms. Soil series boundaries are mapped from aerial photographs with limited field verification. Thus, the location and extent of the boundaries between mapping units may be approximate for a given parcel of land within the survey area. The WDNR (2006) Forest Practice Activity Map does not show any streams or water bodies on or immediately adjacent to the Wright property. The map depicts West Hylebos Creek as a Type N (non -fish bearing) stream west of the project site and Brook Lake as a Type F (fish -bearing) water body to the southwest of the project site. r I Mr. Bob Wright July 7, 2006 Page 5 saturation, as well as indirect evidence such as driftlines, watermarks, surface encrustations, and drainage patterns. Streams We searched the property for naturally -occurring watercourses that appeared to meet the City of Federal Way's (2005) definition for streams. We determined the OHWM of on - site stream segments using indicators outlined in the WDOE (1994) Shoreline Administrators Manual, which include: (1) a clear vegetation mark; (2) wetland/upland edge; (3) elevation; (4) a combination of changes in vegetation, elevation, and landward limit of drift deposition; (5) soil surface changes from algae or sediment deposition to areas where soils show no sign of depositional processes; and/or (6) soil profile changes from wetter conditions (low chroma, high soil organic matter, and lack of mottling) to drier conditions (higher chroma, less organic matter, or brighter mottles). We placed pink -and -black striped flagging along the ordinary high water mark of on -site streams. A sketch map depicting the stream delineation was provided to you on May 31, 2006. PROPERTY DESCRIPTION AND LAND USE HISTORY The Wright property is within the Hylebos Creek drainage basin of the Puyallup River Watershed (King County 2006). In 1986, King County (1986) issued a mitigated determination of non -significance to allow placement of fill on the Wright property, per King County Grading Permit #C9000374. King County (1986) identified an unnamed tributary to Hylebos Creek was located on the site. The unnamed tributary to Hylebos Creek, hereafter called Stream 1, is located in the west portion of the site. Two steep ravines are located on either side of Stream 1. The remainder of the property lies on a gentle west -facing slope that ranges in elevation from 260 feet on the east side of the property to 240 feet on the west side of the property (King County iMAP 2006). A majority of the site consists of grassland, while the ravine is vegetated with deciduous trees and shrubs. Surrounding land use includes commercial buildings adjacent along most of the north and west property boundaries, and Pacific Highway South along the east property boundary. Undeveloped forest borders the south property line. EXISTING CONDITIONS The following sections provide further discussion of the vegetation, soil, and hydrologic conditions of the property, based on our field investigations. We identified one stream (Stream 1) and no wetlands on the Wright property. Mr. Bob Wright July 7, 2006 Page 6 Stream I Stream 1 originates off -site to the north of the Wright property, flowing south through a 72-inch corrugated metal culvert that was installed at the north end of the project site as part of the fill placement in the mid-1980's; a fill berm is located on top of the culvert. The average bankfull width of the on -site stream channel is 10 feet. The north side of Stream 1 is at least 3 feet deep. The stream substrate has cobbles generally less than three inches in diameter, and minimal sediment deposition was evident. At the time of our site visit, the excavated portion of Stream 1 had over three feet of standing water, while no flowing water was present in the stream at the south end of the site. We observed from the south property line that that the stream continues off -site to the south; we did not walk the streambed off -site to the south. Fringing vegetation on the steep slopes of the ravine primarily consists of red alder (Alnus rubra, FAQ and black cottonwood (Populus balsamifera, FAQ, Himalayan blackberry (Rubus discolor, FACU), and salmonberry (Rubus spectabilis, FAC+). - An excavated area that appears to be less than 2,500 square feet in size is located adjacent to the east ravine slope's top -of -bank. A perforated pipe was installed in the north portion of the excavated area, apparently to drain surface water into Stream 1 via a culvert that ` outlets near the top of the east ravine slope. Vegetation consists mainly of Sitka willow t (Salix sitchensis, FACW), Pacific willow (Salix lucida, FACW+), and reed canarygrass (Phalaris arundinacea, FACW). Soils were very compacted in this area and could not be excavated below 12 inches. The soil profile consisted of brown (7.5YR 5/2) gravelly sandy loam with yellowish brown (IOYR 5/6) mottles that were many, medium, and prominent. No soil saturation or groundwater was present during our May 31, 2006 site visit; there was some evidence of ponding (i.e., sediment -stained leaves) localized to small pockets within the bottom of the excavated area. Upland Descriptions Vegetation in the upland area west of Stream 1 was dominated by red fescue (Festuca rubra, FAC+). Non -dominant plant species in this area included black cottonwood and big -leaf maple (Acer macrophyllum, FACU) saplings and young trees, Scotch broom (Cytisus scoparius, UPL) seedlings, Himalayan blackberry; common velvetgrass (Holcus lanatus, FAQ, oxeye daisy (Chrysanthemum leucanthemum, UPL), English plantain (Plantago lanceolata, FAQ, brome (Bromus spp., FAC+/FACU-), and bentgrass (Agrostis spp. FACW/FAQ, among others. Soils were also very compacted in this area; the upper 12 inches of the soil profile consisted of brown (7.5YR 5/2) gravelly sandy loam with strong brown (7.5 YR 4/6) mottles that were few, fine, and prominent. No primary or secondary indicators of hydrology were present during our May 31, 2006 site visit. The east side of the Wright property is a field whose dominant plant species were black medic (Medicago lupulina, FAQ and bluegrass (Poa spp., no WIS). Other non -dominant species included sheep sorrel (Rumex acetosella, FACU+), hairy cat's ear (Hypochaeris r F Mr. Bob Wright July 7, 2006 Page 7 radicata, FACU), brome, bedstraw (Galium spp., no WIS), common velvetgrass, English plantain, and white clover (Trifolium repens, FAC), among others. Soils were too rocky and compacted in this area to be sampled; we did not see any primary or secondary indicators of wetland hydrology during our May 31, 2006 site visit. SUMMARY DETERMINATION AND CLASSIFICATION Based on our field reconnaissance on May 31, 2006 site visit, we identified one stream on the Wright property. Currently the Federal Way (2005) City Code regulates streams under Chapter 22 - Zoning. Under these regulations, streams are classified as either major or minor streams. The City of Federal Way (2005) defines a major stream as "any stream, and tributaries to any stream, which contains or supports, or under normal circumstances contains or supports resident or migratory fish." If a natural blockage is present that precludes upstream movement of fish, then only the stream segment downstream of the blockage is considered a major stream. The standard setback for a major stream is 100 feet outward of the OHWM of the stream. The City Federal Way (2005) defines a minor stream as "any stream that doe not meet the definition of `major stream."' The standard setback for a minor stream is 50 feet outward of the stream's OHWM. Stream setbacks do not apply to any segment of a stream that is within a culvert (City Federal Way 2005). Based on our background review and field investigation, Stream 1 has been rated as a "Major Stream (City of Federal Way GIS Division 2005a)." Stream 1 likely received this rating because it is a tributary to West Hylebos Creek, which has documented anadromous and resident fish presence (WDFW 2002, Streamnet 2006). Portions of Stream 1 outside of the on -site culvert would receive a standard 100-foot-wide setback. At the time of our site visit, no portion of the Wright property had indicators for all three wetland criteria to be considered a wetland according to the WDOE (1997) manual. The site may need to be re -investigated earlier in the growing season (i.e., the beginning of March) to confirm presence or absence of wetland hydrology on the project site. The excavated area at the top of the east ravine slope had some strong indicators of hydrophytic vegetation and hydric soils. If sufficient hydrology is present earlier in the growing season, it may be considered a wetland. However, the excavated area appears to be less than 2,500 square feet in size, and thus likely would not be considered a regulated wetland by the City of Federal Way (2005). We caution that our determinations should be considered preliminary, and the City of Federal Way has the final authority to determine wetland and stream ratings and required buffers. The City would determine the specific conditions of approval of any proposed future activities in the context of a specific development proposal. The COE also regulates wetlands and streams as waters of the U.S. under Section 404 of the Clean Water Act, and Mr. Bob Wright July 7, 2006 Page 8 WDOE regulates wetlands under the state Water Pollution Control Act (90.48 RCW) and Shoreline Management Act (90.58 RCW). LIMITATIONS We have prepared this report for the exclusive use of Mr. Bob Wright and his consultants. No other person or agency may rely upon the information, analysis, or conclusions contained herein without permission from Mr. Wright. The determination of ecological system classifications, functions, values, and boundaries is an inexact science, and different individuals and agencies may reach different conclusions. With regard to wetlands and streams, the final determination of their boundaries for regulatory purposes is the responsibility of the various resource agencies that regulate development activities in wetlands and streams. We cannot guarantee the outcome of such agency determinations. Therefore, the conclusions of this report should be reviewed by the appropriate regulatory agencies prior to any detailed site planning or construction activities. We warrant that the work performed conforms to standards generally accepted in our field, and was prepared substantially in accordance with then -current technical guidelines and criteria. The conclusions of this report represent the results of our analysis of the information provided by the project proponents and their consultants, together with information gathered in the course of this study. No other warranty, expressed or implied, is made. Thank you for this opportunity to work with you. We hope this information is useful. If you have any questions, we are available at (206) 525-8122. Respectfully submitted, RAEDEKE ASSOCIATES, INC. Lisa Danielski, B.A. Wetland Biologist/Botanist Mr. Bob Wright July 7, 2006 Page 9 LITERATURE CITED Cooke, S. 1997. A field guide to common wetland plants of Western Washington and Northwestern Oregon. Seattle Audubon Society. Seattle, Washington. 417 pp. Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1, US Army Engineers Waterways Experiment Station, Vicksburg, Mississippi. 100 pp. Federal Interagency Committee for Wetland Delineation. 1989. Federal manual for identifying and delineating jurisdictional wetlands. U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, U.S. Fish and Wildlife Service, and U.S.D.A. Soil Conservation Service, Washington, D.C. Cooperative technical publication. 76 pp. Federal Register. 1986. 40 CFR Parts 320 through 330: Regulatory programs of the Corps of Engineers; final rule. Volume 51, No. 219, pp. 41206-41260, U.S. Government Printing Office, Washington, D.C. Federal Register. 1995. Soil Conservation Service: changes in hydric soils of the United States. Volume 59, No. 133, pp. 35680-35695. July 13, 1994. U.S. Government Printing Office, Washington, D.C. Revised December 15, 1995. Federal Way, City of. 2005. Federal Way City Code. Current through Ordinance 05-514, passed Dec. 20, 2005. Federal Way, City of, GIS Division. 2005a. City of Federal Way stream ratings map. http://www.cityoffederalway.com/GetFile.aspx?id=10443. January 2005. Federal Way, City of, GIS Division. 2005b. City of Federal Way surface water map. http://www.cityoffederalway.com/GetFile.aspx?id=6746. May 31, 2005. Guard, B.J. 1995. Wetland Plants of Oregon and Washington. Lone Pine Publishing, Renton, Washington. 239 pp. Hitchcock, C., and A. Cronquist. 1976. Flora of the Pacific Northwest. Univ. of Washington Press, Seattle, Washington. 730 pp. King County. 1986. Mitigated determination of non -significance for File #2752-60, proponent: Robert L. Wright. March 11, 1986. King County Department of Natural Resources and Parks. 2002. Final Report, East Hylebos Creek 2001 Monitoring Program. July 2002. L Mueller-Dombois, D. and H. Ellenberg. 1974. Aims and methods of vegetation ecology. LJohn Wiley and Sons, New York. 547 pp. L L Mr. Bob Wright July 7, 2006 Page 10 Munsell Color. 2000. Munsell soil color charts. GretagMacbeth, New Windsor, NY. Pojar, J., and A. MacKinnon. 1994. Plants of the Pacific Northwest Coast, Washington, Oregon, British Columbia, and Alaska. B.C. Ministry of Forests; B.C. Forest Service; Research Program. 528 pp. Reed, P.B., Jr. 1988. National list of plant species that occur in wetlands: Northwest (Region 9). U.S.D.I. Fish and Wildlife Service. Biological Report 88 (26.9). 89 PP. Reed, P.B., Jr. 1993. 1993 Supplement to list of plant species that occur in wetlands: Northwest (Region 9). U.S.D.I. Fish and Wildlife Service. Supplement to Biological Report 88 (26.9) May 1988. Snyder, D., P. Gale, and R. Pringle. 1973. Soil Survey of King County area, Washington. U.S.D.A. Soil Conservation Service. 100 pp. StreamNet. 2006. Pacific NW interactive mapper. http://map.streamnet.org/snetmapper/viewer.htn. Accessed May 31, 2006. U.S. Army Corps of Engineers. 1991 a. Special notice. Subject: Use of the 1987 wetland delineation manual. U.S. Army Corps of Engineers, Seattle District. August 30, 1991. U.S. Army Corps of Engineers. 1991b. Memorandum. Subject: Questions and answers on the 1987 manual. U.S. Army Corps of Engineers, Washington D.C. October 7, 1991. 7 pp. including cover letter by John P. Studt, Chief, Regulatory Branch. U.S. Army Corps of Engineers. 1992. Memorandum. Subject: Clarification and interpretation of the 1987 methodology. U.S. Army Corps of Engineers, Washington D.C., March 26, 1992. 4 pp. Arthur E. Williams, Major General, U.S.A. Directorate of Civil Works. U.S. Army Corps of Engineers. 1994. Public Notice. Subject: Washington regional (guidance on the 1987 wetland delineation manual. May 23, 1994, Seattle District. l_ 8 pp. U.S. Army Corps of Engineers. 2002. Final regional conditions, 401 water quality Icertification conditions, Coastal Zone management consistency responses, for L Nationwide permits for the Seattle District Corps of Engineers for the State of Washington. July 23, 2002. Special Public Notice. Seattle District. 132 pp. U.S.D.A. Soil Conservation Service. 1991. Hydric soils of the United States: In cooperation with the National Technical Committee for Hydric Soils. U.S.D.A. Miscellaneous Publication Number 1491. r Mr. Bob Wright July 7, 2006 Page 11 U.S. Fish and Wildlife Service National Wetlands Inventory. 1987. Poverty Bay, 7.5- minute quadrangle. Washington Department of Ecology. 1994. Shoreline Administrators Manual Vol. 1: Shoreline Management Guidebook, 2"d Ed. Publication No. 93-104a. January 1994. Washington Department of Ecology. 1997. Washington state wetland identification and [ delineation manual. March 1997. Publication No. 96-94. 88 pp. plus appendices. Washington Department of Fish and Wildlife. 2002. Priority habitats and species maps and reports in the vicinity of Township 26 North, Range 4 East, Section 28. April 19, 2004. Habitat Program, Olympia, Washington. Washington State Department of Natural Resources. 2006. Forest Practices Activity Map for Section 20 Township 18 North, Range 2 East, W.M. http://www3.wadnr.gov/dnrapp5/website/fpars.viewer.htm. Accessed May 31, 2006. RAEDEKE ASSOCIATES, INC. 571 1 NE 63rd Street Seattle, Washington 981 15 (206) 525-8122 Fax: (206) 526-2880 June 16, 2009 Mr. Faruq Ramzanalli KPR Hospitality l 2200 — 61h Avenue, Suite 520 l Seattle, WA 98121 RESUBMITTED JUN 18 2009 CITY OF FEDERAL WAY BUILDING DEPT. 1 RE: Holiday Inn Express Federal Way — Response to July 2, 2008 Federal Way i Comments and Conceptual Buffer Restoration Plan r (RAI Project No. 2007-025-002) ` Mr. Ramzanalli: Per your request, the purpose of this memorandum is to provide responses to comments pertaining to the wetland and stream assessment from the City of Federal Way Community Development Department in a July 2, 2008 review letter. These responses include: (1) a conceptual plan for restoration of portions of the on -site wetland and stream buffers that would be disturbed during construction of the proposed project; (2) a description of erosion control features that would be implemented prior to and during construction of the proposed project (prepared by TRT Engineering, Inc., and depicted in the Erosion Control Plan provided in Attachment A); and (3) a feasibility assessment for routing project -related stormwater to existing, off -site facilities (prepared by TRT Engineering, Inc. and provided as Attachment B in this document). The City of Federal Way Public Works Department is currently working to prepare a plan for restoration of the portion of Hylebos Creek and its associated buffer that cross the HIE Federal Way property (Mr. Fei Tang, City of Federal Way Public Works Department, personal communication, March 11 and June 2, 2009). It is anticipated that this restoration plan, if completed and approved, would supersede the restoration plan described in this report. PROJECT SITE LThe Holiday Inn Express (HIE) project site consists of approximately 2.85 acres located in the southeast portion of Section 20, Township 21 North, Range 4 East W.M., in the r City of Federal Way, Washington. Specifically, the site is located along the west side of L Pacific Highway South, south of S 3481h Street, and is identified as King County Tax parcel #2021049044 (Figure 1). L Mr. Faruq Ramzanalli June 16, 2009 Page 2 BACKGROUND As described in the stream delineation and wetland reconnaissance letter (Raedeke Associates, Inc. 2006) and wetland and stream assessment report (Raedeke Associates, Inc. 2008) for the property, an unnamed tributary of Hylebos Creek crosses the HIE project site in an approximately north -south alignment (Figure 2). No wetlands are found on the property (Figure 2), though a wetland lies just north of the site (Figure 2; Raedeke Associates, Inc. 1988, 1992, 2006, 2008). The proposed site plan will have no direct impacts to the on -site stream or the wetland just off -site to the north. However, the plan includes temporary impacts to the buffers of these features. The proposed construction of a 12-inch-diameter stormwater pipe would require excavating an approximately 3-foot-wide trench through the 100-foot-wide buffer of Stream 1, would result in up to 1,576 square feet of temporary disturbance to the buffer due to construction activities. In addition, the proposed construction of a 6-inch- diameter sanitary sewer line would connect to an existing sewer line that runs north-south y through the north -central portion of the site. This construction would require excavating an approximately 3-foot-wide trench through the on -site portion of the 100-foot-wide wetland and stream buffer, resulting in up to 916 square feet of temporary disturbance. f The area of disturbance within the wetland and stream buffers would be restored via the [ proposed buffer restoration plan (see below) after installation of the stormwater and sewer lines is complete. The wetland and stream assessment report discusses in detail how the proposed stream and wetland buffer encroachments meet the conditions of Sections 22-1359 and 22-1312, respectively, of the City of Federal Way (2007) Critical Areas Code (see Raedeke Associates, Inc. 2008, Sections 6.3;1 and 6.3.2). The July 2, 2008 review comment letter from the City of Federal Way Community Development Department contained two comments under "Other Planning Issues" that pertain to the wetland and stream assessment report, as follows: Comment 2: The Wetland & Stream Assessment prepared by Raedeke Associates, Inc. proposes a mitigation plan; however, it is not specific in terms what mitigation measures are to be taken (i.e. re planting schedule, construction staging, maintenance plans, enhancement plans, etc.). Please submit a mitigation proposal package. Once the city has obtained this information, the city will have the project reviewed by a third party environmental reviewer. A quote for the third party reviewer's fees will be provided to the applicant. Comment 3: On Page 16 of the Wetland & Stream Assessment, under section 6.3.1 "Stream Buffer Impacts, " Point 6 references a "Turner 2008. " It is unclear as to what this is referring to. Additionally, please elaborate in full why the intrusion is necessary for reasonable development of the property. For example, please r Mr. Faruq Ramzanalli June 16, 2009 Page 3 explain why stormwater can not be directed offsite into other existing stormwater pipes in or around the site. The following sections will address these comments. CONCEPTUAL BUFFER RESTORATION PLAN k In the event that the City of Federal Way Public Works Department does not ultimately restore the on -site portions of Hylebos Creek and its associated buffer, the portions of the buffer that would be disturbed as a result of installation of stormwater and sewer lines would be restored by the applicant, consistent with the wetland and stream assessment prepared for the property (Raedeke Associates, Inc. 2008). Restoration of the buffer would consist of replanting the disturbed area with native plant species typically found in [ wetland buffers of the Pacific Northwest (Figure 3). The following sections outline the implementation process that would be followed to successfully restore the disturbed portions of the buffer. Upon approval of this conceptual plan, a detailed final planting plan with construction notes and details would be prepared. Restoration Goals and Objectives The overall goal of the buffer restoration plan is to restore the functions of the portions of the wetland and stream buffers that will be disturbed during installation of the sewer and stormwater lines. This goal will be accomplished through replanting the disturbed portions of the buffers with a mixture of native tree and shrub species typical of the undisturbed portions of the buffers on site and which are in compliance with applicable regulations regarding utility line construction and maintenance. Buffer functions to be provided in the restoration include water quality protection, food chain support, and wildlife habitat. The specific objectives of the proposed restoration plan are to: ■ Re -vegetate the portion of the wetland and stream buffer cleared for installation of the sewer line (approximately 916 square feet) with native woody vegetation consistent with those found in the undisturbed portion of the buffer. ■ Re -vegetate the portion of the stream buffer cleared for installation of the stormwater line (approximately 1,576 square feet) with native woody vegetation consistent with those found in the undisturbed portion of the buffer. Mr. Faruq Ramzanalli June 16, 2009 Page 4 Achieving this objective would result in no net loss of buffer area or function on the project site through the restoration of the habitat functions and acreage disturbed by the pipeline installations. j Site preparation l Prior to installation of the sewer and stormwater lines within the wetland and stream buffers, respectively, and in coordination with the proposed erosion control plan (see Attachment A), the limits of the restoration areas will be clearly marked (staked) in the field by appropriate means. Construction fencing will be installed to mark the boundaries of the restoration site in order to prevent unintended disturbance of the existing stream, off -site wetland, or retained buffer. Soil Preparation It is anticipated that existing soils in the restoration areas are likely to provide good growing conditions for the designed vegetation communities. The top 12 inches of topsoil would be stripped and stockpiled separately, within the development footprint (outside of the stream and off -site wetland buffers), during installation of the stormwater pipe. All other soils that are removed during installation of the stormwater pipe would be temporarily stockpiled within the development footprint (outside of the stream and off - site wetland buffers). Upon installation of the stormwater pipe, the cut would be backfilled to the existing grade, and the original top 12 inches of topsoil placed at the i surface to match the existing grade of the adjoining undisturbed buffers. In addition, clean topsoil will be provided where appropriate to help facilitate establishment of the intended vegetation communities. Vegetation Establishment After site preparation, the restoration areas will be planted to develop the desired native plant community. The restoration areas will be planted with a mixture of native plant species appropriate for the hydrologic conditions, and which will provide the desired multi -layered structure (for cover and nesting/breeding substrates), shade -out undesirable plants (such as reed canarygrass [Phalaris arundinacea]), and provide food for a variety of wildlife species (Table 1). The portion of the stream and off -site wetland buffer that is currently covered by woody species would be restored with native shrubs and saplings, whereas the portion of the buffer that is currently covered by weedy herbaceous species would be hydroseeded with an appropriate mix of soil -stabilizing herbaceous plants. Species selected for the restoration areas are based on native plants characteristic of wetland buffers in the region and those currently growing in the stream and off -site wetland buffers on the property. Woody (shrub and low -growing tree) vegetation will be planted in the buffer to increase vegetative screening and wildlife habitat. Smaller, shallow -rooted species will be placed closer to the pipes, whereas larger species (i.e., Mr. Faruq Ramzanalli June 16, 2009 Page 5 trees) will be placed along the outside edges of the cleared areas so as not to interfere with the operation of the pipes. Shrub stock would be 1.8 to 24 inches tall, well rooted and branched, and planted on 6- foot spacing. Trees will be planted on 6 to 12-foot spacing, depending on species and specific site conditions (Table 1). Plantings should be well -mulched after installation. Plant species that are more hydrophytic, including black cottonwood (Populus balsamifera), red alder (Alnus rubra), western red cedar (Thuja plicata), and salmonberry (Rubus spectabilis), would be placed lower on the slope, closer to the stream edge. Planting of the buffer restoration areas would occur between late fall and early spring to take advantage of seasonal rainfall and cooler temperatures to maximize establishment and survival of the planted stock. The landscape architect or project biologist would inspect plant materials for quality and quantity in relation to the approved plans. They would also inspect and approve plant locations and review installation procedures. Site Maintenance and Protection The buffer restoration areas are designed to be self-sustaining. To ensure the success of the plantings, some additional replanting and control of undesirable plant species may be necessary after initial installation. It is important to eliminate or limit the development of i invasive plant species during the first year, while desired species are becoming ` established, in order to maintain favorable growing conditions. This maintenance activity is most easily performed when the populations of invasive species are low. Invasive species should be controlled by methods that do not compromise the rest of the buffer plantings. Manual removal is preferred, but does require early detection and action to be effective. Particular attention will be paid to any colonization of the restored buffer areas by Himalayan blackberry (Rubus armeniacus), evergreen blackberry (Rubus laciniatus), English ivy (Hedera helix), Scotch broom (Cytisus scoparius), or reed canarygrass. Temporary irrigation of the buffer plantings may be necessary for the first year after installation to ensure plant survival. The landscape contractor should guarantee 100% survival of planted material for one year after installation. Trees and shrubs that die over time (unless mortality is a result of poor or improper planting technique or lack of irrigation) should not be removed unless they pose a direct threat to safety of people or property. Monitoring Program The monitoring process would consist of two general phases: (1) installation/compliance monitoring; (2) follow-up monitoring. L_ Mr. Faruq Ramzanalli June 16, 2009 Page 6 Installation/Compliance Monitoring Coordination and communication between appropriate parties before and during the plant installation phase results in a more successful mitigation site. Coordination meetings should include the biologist, project engineers, and landscape contractors. The project biologist would be present on -site during the various stages of restoration. Their duties would be to: (1) inspect and approve the plant materials and recommend their final placement before planting; (2) make adjustments in planting plans, as needed, in response to field conditions; (3) ensure that construction activities are conducted per the approved plan; and (4) resolve problems that arise during restoration, thus lessening problems that might occur later during the long-term monitoring phase. Compliance monitoring consists of evaluating the stream and off -site wetland buffer immediately after restoration activities are completed. The objectives would be to determine if all design features, as agreed to in the restoration plan, have been correctly and fully implemented, and that any changes made in the field are consistent with the intent and the design of the restoration plan. Evaluation of the buffer would be done by the project biologist using standards and criteria discussed in Evaluation and Performance Standards (as presented below). After planting of the buffer areas is completed, total counts of planted species would be conducted within the restored areas. At each restoration area, photos would be taken to provide physical documentation of the condition of the restored areas. Photographs would be taken during the compliance monitoring site visit and thereafter during follow- up monitoring from the established photo points. The compliance monitoring phase would conclude with the preparation of a compliance monitoring summary letter from the project biologist to document our findings with respect to complete implementation of the approved plans. Substantive changes made in the planting plan would be noted in the compliance letter for use during the follow-up monitoring phase. Information on changes should include what was done, where, why, at whose request, and the result of the change. The planting plan, included within the compliance letter, would document "as -built" conditions at the time of installation compliance. The number of plants installed would be documented in the compliance letter. This information would thus document "time - zero" conditions from which the follow-up monitoring period would begin. Follow-up Monitoring LFollow-up monitoring would be conducted for one growing season after compliance is achieved. Monitoring would evaluate the establishment and maintenance of the plant L communities in the restored wetland buffer to determine if the goals and objectives of the mitigation plan have been met. Mr. Faruq Ramzanalli June 16, 2009 Page 7 A monitoring site inspection would be conducted at the end of the first growing season (August 1 to September 30) after restoration activities are completed. Within each buffer restoration area, plant species would be identified and the number of plants of each species would be counted to document the percent survival. The presence and location of any invasive plant species would also be noted. A summary report would be prepared for submittal to the City of Federal Way after completion of the follow-up monitoring. The monitoring report would document the condition of the restoration areas, the survival of plantings, and make recommendations for maintenance to correct any problems noted during monitoring. Monitoring and Reporting Schedule Monitoring of the restored buffers would occur at the end of the growing season (August 1 to September 30). The monitoring report would be submitted to the City as soon as [ possible after the monitoring has been completed, but no later than December 31. Evaluation and Performance Standards The overall criteria for the restored buffer areas would be based on the successful establishment of desired plant communities. Specific evaluation criteria to be used in the follow-up monitoring are the following: * 100% survival of all planted material in wetland buffer for one year after planting. • Allow establishment of not more than 10% cover of non-native, invasive plant species within the restored buffer at any point within the monitoring period. All dead plantings found during follow-up monitoring would be replaced under the landscape contractor's one-year guarantee. Recommendations for replacement and/or maintenance of the plantings would be made by the project biologist at compliance and follow-up monitoring, and would be completed by the landscape contractor. Contingency Plan Contingency plans are needed if post -restoration monitoring shows that objectives and performance standards have not been met. It should be noted, however, that it is not possible to develop a detailed contingency plan until the specific problems that need to be addressed are known. It would be unproductive to try to anticipate all possible problems and their solutions at this time. Common problems, both human and natural, that might arise can be identified and general recommendations for remedy proposed. For example, after the first growing season, plant communities within the restored wetland buffer may not be established at Mr: Faruq Ramzanalli June 16, 2009 Page 8 acceptable levels. It may be necessary to replant with new or different stock, provide additional watering or irrigation during critical seasons, or augment the soil. Recommendations for identified problems would be made by the project biologist in consultation with the project managers and civil engineers. Implementation Schedule Upon City of Federal Way approval of this buffer restoration plan, a final mitigation planting plan will be prepared. The final mitigation planting plan would specify such items as (1) plant species, quantities, and sizes, (2) planting locations and typical plant layouts, (3) general notes, (4) planting details, (5) construction timing, (6) source of plant material, (7) soil amendments, (8) watering, (9) maintenance, and (10) a bond estimate. It is desirable to implement mitigation as soon after installation of the stormwater and sewer lines as possible, in keeping with seasonal considerations, in order to help offset temporal loss of buffer functions resulting from the disturbance of wetland and stream buffers. Therefore, the implementation schedule for the buffer restoration, based on the final mitigation plan documents, would correspond to the timing of the other construction activities on the project site. SITE BEST MANAGEMENT PRACTICES AND EROSION CONTROL PLAN As an additional response to Comment 2 under Other Planning Issues in the City's coment letter, we have attached the Erosion Control Plan for the project (Attachment A), prepared by TRT Engineering, Inc. This plan outlines the Temporary Erosion and Sediment Control Plan (TESCP) elements and Best Management Practices (BMP) to be implemented prior to and during site construction, including installation of stormwater and sewer lines within the stream and wetland buffers on site. Among other features, this would include the installation of a riprap outfall pad below the discharge point for stormwater pipe, as well as installation of silt fence along the area to be disturbed during installation of the stormwater pipe. OFF -SITE STORMWATER FEASIBILITY ASSESSMENT In response to Comment 3 under Other Planning Issues in the City's review letter, attached is the personal communication (email) from Mr. Tim Turner, of TRT Engineering regarding unsuitability of on -site soils for infiltration of project stormwater (Attachment B). Please note that the literature citation for this email (Turner 2008) was incorrectly listed as January 8, 2008; it should have been listed as January 9, 2008. In addition, TRT Engineering, Inc. (2009) prepared a letter providing additional information regarding unsuitability of site soils for stormwater infiltration and on potential off -site stormwater discharge locations (Attachment C). Based on the Mr. Faruq Ramzanalli June 16, 2009 Page 9 geotechnical studies, soils are not suitable for stormwater infiltration. In addition, in the best professional judgment of TRT Engineering, Inc., it is not feasible to direct stormwater to the existing off -site stormwater facilities, either because of accessibility, flow volume capacity, or elevation differences between the site and the existing discharge points. Consequently, the only feasible location for discharge of stormwater from the proposed development on site is to the tributary stream through its buffer. LIMITATIONS We have prepared this document for the exclusive use of KPR Hospitality and their consultants. No other person or agency may rely upon the information, analysis, or conclusions contained herein without permission from KPR Hospitality. i The determination of ecological system classifications, functions, values, and boundaries is an inexact science, and different individuals and agencies may reach different conclusions. We cannot guarantee the outcome of such determinations. Therefore, the conclusions of this document should be reviewed by the appropriate regulatory agencies. We warrant that the work performed conforms to standards generally accepted in our field, and has been prepared substantially in accordance with then -current technical guidelines and criteria. The conclusions of this document represent the results of our analysis of the information provided by the project proponent and their consultants, together with information gathered in the course of our studies. No other warranty, expressed or implied, is made. Thank you for the opportunity to provide this information. If you have any questions or need additional information, I am available at 206-525-8122 or via email at jmerriman@raedeke.com. Sincerely, LRAEDEKE ASSOCIATES, INC. I P 4k�' LJoel W. Merriman, M.S. Wildlife Biologist i L I Mr. Faruq Ramzanalli June 16, 2009 Page 10 j" LITERATURE CITED l Federal Way, City of. 2007. Federal Way City Code. Current through Ordinance 07- r 559, passed July 3, 2007. l Raedeke Associates, Inc. 1988. Wetland assessment and enhancement report for the (- Starkovich Property, King County, Washington. August 18, 1988 report to l Yellowstone Investment Company, Federal Way, Washington. (' Raedeke Associates, Inc. 1992. Updated wetland assessment of the Brooklake Village l property, Federal Way, Washington. August 13, 1992 report to Yellowstone r Investment Company, Federal Way, Washington. l Raedeke Associates, Inc. 1998. Brooklake Village mitigation monitoring - Final wetland buffer mitigation monitoring report. November 5, 1998 report to j� Yellowstone Investment Company, Federal Way, Washington. Raedeke Associates, Inc. 2006. Wright Federal Way - stream delineation and wetland reconnaissance. July 7, 2006 letter to Mr. Bob Wright, Federal Way, Washington. Raedeke Associates, Inc. 2008. Wetland and Stream Assessment for the Holiday Inn Express site, City of Federal Way, Washington. January 30, 2008 report to Sweeney Designs, Bellevue, Washington. TRT Engineering, Inc. 2009. May 5, 2009 letter to Joel Merriman, Raedeke Associates, Inc. regarding Holiday Inn Express - Federal Way, WA. Turner, T. 2008. "Re: Federal Way" Email to Ms. Lisa Danielski. January 9, 2008. L L i L r r r f r r r L L L L Figures and Tables L r r r MAP -A- svo f en A S Uam K FILL h Y, Slap to M,.a k P V! 3: 3!SI PROJECT 4TR ra MAP < Legend Kghlighted Feature SAO Stream S21INST C—Tty Boundary X Mountain Peaks lY CI;-2P—.IW Kigtinvays CA-2Sai—id fI Incorporated Area ""V CII-3 Streets U Lakes and Large Rivera Stmams I DO Year Floodplain 93PST PL Parcels SAO Wetland Wildlife Network SAO Erosion JC) 2DO59019 County 0 1067ft TdThmfKing County Figure 1: King County (2007) Map showing general location of the project. 0) 0 O CAP IE GOOD I KEY FIGURE 2 KPR Hospitality HOLIDAY INN EXPRESS CITY OF FEDERAL WAY EXISTING CONDITIONS -OFF-SITE WETLAND - CATEGORY II, PF01 Based on Raedeke Assoc. Inc. delineation, 1987�r 7-1 d f i Q EXISTI{ 13 P Mi -- PP, 1 EXISTING STRUCTURE r z:: — _ llmiim air � � + rTr� .� l i � \ EXISTING _ ' 1 rr f�" f r I \ STRUCTURE 1 - T-'-- i�• �� �-- a ,5. EXISTING STRUCTURE 100.Pu STREAM 1 OHWM EXISTING Major Stream ' I / STRUCTURES \ 11 C — �� lil �I� I i � _ ; I ■ El ON ME L % M wo PROJECT BOUNDARY OFF -SITE WETLAND DELINEATED BY RAEDEKE ASSOCIATES, INC., 1987 STREAM ORDINARY HIGH WATER MARK (OHWM) EXISTING CONTOURS EXISTING EASEMENTS _ CITY OF FEDERAL WAY 100' STANDARD WETLAND BUFFER CITY OF FEDERAL WAY -- 100' STANDARD STREAM BUFFER RAEDEKE ASSOCIATES, INC. A north too RAEDEKE PROJECT #: 2007-025-002 DATE: 01 /14/2008 DRAWN BY: DAD and ELP 5711 NORTHEAST 63RD ST. SEATTLE, WA 98115 Base information: from TRT Associates, files FEDERAL BASE.dwg and (206) 525-8122 FAX: (206) 526-2880 FEDERAL SITE.dwg received on 01/09/08 and from Sadler / Barnard & Assoc. Inc, file 2005078.02.dwg received on 05/09/07. FIGURE 3 KPR Hospitality HOLIDAY INN EXPRESS CITY OF FEDERAL WAY PROPOSED SITE PLAN & CONCEPTUAL BUFFER RESTORATION PLAN W ,OFF-SW y"CATE " 6" CMP SEWER LINE CONSTRUCTION wPROPOSED jeA Based ooc.. Inc. d. TEMPORARY BUFFER IMPACT 916 SF f AREA TO BE RESTORED co G� m 31 m tll ' Z 0-n I m rI� r TO O CM 0 0 N 100. PROPOSED STRUCTURE ' m RIP -RAP OUTFACE I I of CO PAD ' 4 N PROPOSED 12" CMP STORMWATER LINE CONSTRUCTION .� ��- Q 4 m TEMPORARY BUFFER IMPACT 1,576 SF AREA TO BE PROPOSED RETAINING WALL -- RESTORED SILT FENCE 0 0 m w - ° KEY - PROJECT BOUNDARY -- EXISTING EASEMENTS north s° s OFF -SITE WETLAND DELINEATED BY _ CITY OF FEDERAL WAY o RAEDEKE ASSOCIATES, INC., 1987 ---100' STANDARD WETLAND BUFFER 9 STREAM ORDINARY HIGH WATER J CITY OF FEDERAL WAY --`- RAEDEKE PROJECT #:2007-025-002 MARK (OHWM) 100' STANDARD STREAM BUFFER DATE: 01/14/2008 EXISTING CONTOURS ® TEMPORARY -BUFFER IMPACTS (APPROX. 2,492 SF) RAEDEKE ASSOCIATES, INC. DRAWN BY: DAD and ELP z r PROPOSED GRADING TOTAL AREA TO BE RESTORED 5711 NORTHEAST 63RD ST. SEATTLE, WA 98115 Base Information: from TRT Associates, files FEDERAL BASE.dwg and m (206) 525-8122 FAX: (206) 526-2880 FEDERAL SITE.dwg received on 01/09/OB and from Sadler Barnard & Assoc. Inc, file 2005078.02.dwg received on 05109107. Mr. Faruq Ramzanalli DRAFT OF June 12, 2009 Page 15 Table 1. Plant schedule for proposed buffer restoration areas at the Holiday Inn Express project site in Federal Way, Washington. Scientific Name Common Size Spacing Name Trees Acer macrophyllum Bigleaf maple 4-6 foot tall, 5 12 foot on -center gallon Alnus rubra Red alder 4-6 foot tall, 5 6 foot on -center gallon Populus balsamifera Black 4-6 foot tall, 5 12 foot on -center cottonwood gallon Prunus emarginata Bitter cherry 4-6 foot tall, 5 6 foot on -center gallon Psuedotsuga menzesii Douglas -fir 4-6 foot tall, 5 12 foot on -center gallon Thuja plicata Western red 4-6 foot tall, 5 12 foot on -center cedar gallon Shrubs & ferns Acer circinatum Vine maple 18-24 inches tall, 2 6 foot on -center gallon Corylus cornuta hazelnut 18-24 inches tall, 2 6 foot on -center gallon Gaultheria shallon salal 18-24 inches tall, 2 6 foot on -center gallon Mahonia nervosa Cascade 18-24 inches tall, 2 6 foot on -center barberry gallon Oemlaria cerasiformus Indian plum 18-24 inches tall, 2 6 foot on -center gallon Polystichum munitum Swordfern 18-24 inches tall, 2 6 foot on -center gallon Rubus spectabilis salmonberry 18-24 inches tall, 2 6 foot on -center gallon Sambucus racemosa Red elderberry 18-24 inches tall, 2 6 foot on -center gallon Symphoricarpos albus Common 18-24 inches tall, 2 6 foot on -center snowberry gallon �i r r r r F Attachment A: Erosion Control Plan (TRT Engineering, Inc. 2009) L n .! 1 1, wSFALL IFLPgeMY I. 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(6) (u-9) If ula Msal IrAx G1CH GSIN ' - 'JRP[1R/in SC4' /Ippf OVEnROYI FLTER Sp[Ic i INSERT SACK FRONT VIEW ' bC8.9 IW GT01 BASIN NC Iingyaa r'.2'J/.' RIYRdp IRO9er• S�PN LrPApi]Y IIFSAIIaR E RLTER SACK INSERT SACK SIDE VIEW RECROTE CUM RIIET MUST BE BLOCIBD 1USING MOM WIET .E .1 SACKS SROF FILTER FABRIC IEIl21 • K lO BE I) OEfERNINEO BY NANUFACIIIREA wla.� NOi TO't lYi FILTER FABRIC INLET PROTECTION jM_ ,— W.,,, .— - .,...,,,, r sW lyre /r0• F f : z /Avrty Ana es/ RAR GILL' PTGe L BLTFR FABRIC L E R01 USE S1R411E0 LOOPS 36' yaOROLLS Y RdER 2•a2" POSRi � Q `fair - rERt xenn+ L I �� ae fNfxr p� SIDE VIEW SIDE VIEW allC[L _KE OF RLIER fABRIC FENCE ROr OII>L'mSN .. M ASSURE 501L/SED W IS TRAPPED MROW (Tm) M.IIWGE � ti �` 4r IR.1L({1V /pdr rlY IN]9>f M1L lsEY,C 1 0 lr7r: r7a: zx/z7 �+KNm sYaEEr M w ..��••v---- r4' .0m PTROCORNEA, OR YA• 1C TOP VIEW PERFY TINE W/TTA CONSTRUCTION ENTRANCE �~ WOODEN CURB RAMP TEMPORARY SEDIMENT FENCE GRAVEL CONSTRUCTION ENTRANCE FEDERAL EROSION 6/1/09 i —7 —7 —7 —7 i -7 ---7 GENERAL NOTES a.s ...�rA ��e}G rlr C•!nRfwurnevnHa nxnAVB VR�[C00 `•v.eca vxxv[vu nr - J � cve[n�[+ K'nra w.YlFil6N0 q F NfNaC� 9�•K rw�n oa.[vu�� � W b[•wvu >a nf[M, ,wrq}.IAtt,aae *GM[fwMc+n N Wuwrn,prn Aelu �fn p'.I .I •I!e•Aunn mrr• OA• Anw P+RYaPAf+N C9r`K.r•A,VR I.r vfefCRV Mtl W '.[•M�p. r••1?}.C•OM K�PAMrMG 1 � «KNAS A,a fCC[y}pryryay OC rk¢, Ar}.IOr f6iW6[4r�G ��v_'rw lRry.fAlr[a: aff[[p pea eACV+ryff V W+[p +•1%fV'fiwAtrni [.dv'KI t)bv yy,v. n "vmiw W[•wC CURlIgp• r we,°riwWie enwi��na wo e:'oCou.rir�I kryw�•Rruo�nrr-7ec Off Aww.rr.[e..•[er f r ei.�:vi'w4°i:.pin°rvu° �vn'+°w•cc�� I iri aww�iro�en•i�S.•�i.wen[°e:.a'wc .en ,u, ,�,[ n:oe er u..xvrae.,wt rawwlewnv f.:u10 r . s�.� Iw�cP ,.s.[r R ncxnro. ca+r.o sncry ro. �s[r .o _ 1e1 s••P u[c r,o [_s r.� fir;,;' �5y� aoB[sP[oorep B,l...nrwo awioeo mea+rr�cos .rn.nn wYA. wa>n xh.� ��k�ouu«ewroe ua rtwxee rter[x o rec.N xur vr. xr xuii uoeeire_•rnr uari[ Pr.CCg51 f.INiHOLC MANHOLE STORMFILTER - PLAN NEW cw z ismr 510Rr/r!L*[1t DATA 1 PA•ee am R[[ MRral Y•R..OI Nr14[ • srcf n.n [eu,•.c qva. - � 4WIROLE SI[1RMFILTEii, ion YAWk. rre �w�owP« B eer°wmea� �11 °rvo;"'nir1.i" MANHOLE STOWAFJLTER- WUM NEW 1 rA[ MHO.•! nl-••x..� .m.. upF 5tvrmwaDer3S[F _ r MP DETA II - PRECAST 72 NIANHOLE 5TORMILTER STORMWATER TREATMENT ASSEMBLYMANHOLE —DFJ1 2 . .. aAcviow v,ur.r r oEPaN A ARVE BdL OR J COMP CRD BAO61LL ` • LT /J A wv�a aw. uomral J T TRAP OIITI F------------------------- — 1 �'• �� -------------- Y Ww►r OVFARow _ cEomrntF NOR: 1RAP MAY BE FMUEB BY BEAM OR BY P—L OR COMPl DtGVATW SEDIMENT TRAP Mn wcN a. e.PAss f+R'A �"��'� 1�lYO' ¢Bw}N o s oBma s d AA+oo1 sMEE oCAI aNR sN¢T �.a xo ry ss' Dl u ELBOW DETAIL ALUYIN,IID _ cawucAnn sm Y V..OW LIFT HANDLE IY wn.cr IY Adcf flaw Iz' BisER wF � i°w}f'A [�1 N0 , ww. Bm a Nn•r= . SECTION FRONT WE SHEAR GATE DETAILS FLOW CONTROL MANHOLE DETAIL Mn � nAaupfr y/r-l3- wA91E0 GRAVEL I D—AROE ro sTAB— carv}crANCE. WR£T OR LEVEL SPREwER FEDERAL DT1 5/19/09 Attachment B: _ Correspondence on Feasibility of Stormwater Drainage Alternatives (source: TRT Engineering, Inc.) TRT ENGINEERING, INC. 2636 SE Market St - Portland, Oregon 97214 - (503) 235-7592 Fax (503) 235-7593 May 5, 2009 Joel Merriman Raedeke Associates. Inc. 571 1 NE 63`d St Seattle, WA 99115 r— Re: Holiday Inn Express - Federal Way, WA Dear Mr. Merriman: This letter is in response to the July 2. 2008 letter from David Lee, city of Federal Way. Under Ocher P/unnhrg Issues on page 2. Item 3 additional information about intrusion of the stormwater out -fall into the stream buffer included in your Wetland & Stream Assessment was requested. Section 6.1 2- Subsection 6 of the Assessment states: "locations of the stormkvater pipe and outfall arc necessary because on -site disposal is not feasible due to unsuitable soils on the site for infiltration". Preliminary drainage design shows piped discharge to the stream located at thee rear of the subject property. A January 28, 2008 geotechnical report by GeoResources LLC states: '`due to the medium dense to dense. well -graded, and cemented nature of glacial till soils that underlie the site, it is our opinion that infiltration i of the site stormwater is not feasible". TRT evaluated two alternatives to on -site infiltration of the stormwater. There is a private stormwater facility at the commercial development located north of the subject site. Discharge From this system is - currently to the stream approximately 200 feet north of the proposed on -site discharge location. it was assumed that both access to this system would not be granted and that it Would not have addition capacity t'or runoff from the subject site. in addition. connection to a public storm syst.ern was evaluated. The L closest potential connection to a public system is in Pacific Highway approximately 20 feet north ofthe subject site. This location is not feasible because the existing pipe elevations are higher than the lowest proposed pipe elevation on the subject site. Pumpin�a. Would be required to connect to this system. It is our opinion that no lcasible alternative to discharge to the stream is available. Sincerely. TRT ENGINEERING, INC. L Timothy R. Turner. P.F. President L C:1Documents and Settings\OwneeNly Documents`:Projectslsweency\Federal WayNerriman 5-5-09.doc r r- From: Tim Turner [trtlwt@worldnet,att,net] Sent; Wednesday, January 09, 2008 10:14 AM To: Lisa Danie€ski: Subject: Re: Federal Way Lisa, The storrnwater outf01 to the creek will include ripTap protection and;'or possible an energy- ill 5sipatil)g flow spreader, Since peak flow rates through the autfall pipe will he attenuated by the detention systern I don't i:hink erosion potential will be that high. The storrnwater out fail is necessary because on -site disposal is not feasibic because of -flee unsuitab Ic soils. Some of the excavated soils could be used as trench backfill_ SOITIC crushed rock bedding below the pipe -would be requiFecl_ Excess soil could be spread uLnside the buffer_ Another alternative would he to gore the storin pipe through the buffer so trench excavation i5 requircti. I would only suggest this if trench approach is totally unacceptable to the City_ Tim ---- Original Message From: Lisa Lisa Danielski To: Tim: Turner Cc: fl i_ckwi t Sent: Tuesday, January 08, 2008 3:03 PM Subject: RE: Federal Way Hi Tim, A couple of other questions as I write up the indirect impacts and m itigatior. sections of my wetland assessmort: As ,part of the development requirements for the stormwater ou'fall pipe in the stream buffer, we stave to demonstrate the following cond'Itlor}s will be met and I need your help with worc-irg on them: a. The propo7 ied construction of the stor-la ater pipe will 11ot lead to unstable earth conditions nor create erosion bazards; b. The,,turmtivater pipe is necessary for reascmable development of the subicct Propeny Also, will the existing soils used to excavate the trench be used to subsequently bury the pipe? Lisa Danielski Raedeke Associates, Inc 206-525-8122 From: Tim Turner [maiIto, trtlwtdworldnet.att.net] Sent: Tuesday, January 08, 2D48 10:23 AM To: Lisa Danielski Subject: Re: Federal Way Lisa, 0utt-all I pipe Neill be 12" diameter. Attached is revised grading plan. Tire Original Message ---- AL DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33325 8th Avenue South �� CITY OF Federal Way r�► +DA,� VarV►��"Cn ZFD PO Box 9718 Federal Way WA 98063-9718 253-835-2607; Fax Z53-835-2609 plc 0 9 wN xityoffederalway.carst C17Y uu9 RESUBOtT-LINFORMATION This completed form MUST accompany all resubmittals. —Please note: Additional or re vised plans or documents for an active project will not be accepted unless accompanied by this completed form. Mailed resubmittals that do not include this form or that do not contain the correct number of copies will be returned or discarded. You are encouraged to submitall items in person and to contact the Customer Service Counter prior to submitting if you are not sure about the number of copies required. ** Project Number: Project Name: e l + «• 6 e�.ercr . •7 � A Project Address: ? � 1 { Project Contact: C)g1c e Phone: Z-� Z&, - `t RESUBMITTED ITEMS: # of Copies ** Detailed Description of Item LR ** Always submit the same number of copies as required for your initial application. - - Resubmittal Requested by: .6 r Letter Dated: e e OFFICE USE 0Ak Y RESUB A' Distribution Date: I 8 By' Dept/Div Name # Description Building P nin W Fire Other Bulletin #129 — August 8, 2006 Page 1 of I k:\Handouts\Resubmittal Information PARTMENT OF COMMUNITY DEVELOPMENT SERVICES �� B I���E 4 33325 8`h Avenue South PO Box 9718 CITY OF NOV 0 9 2009 Federal Way WA 98063-9718 Federal Way 253-835-2607; Fax 253-835-2609 CITY OF FEDERAL WAY www.cityoffederalway.com BUILDING DEPT. RESUBMITTAL INFORMATION This completed form MUST accompany all resubmittals. —pleasenote.- Additional or revised plans or documents foran active project will not be accepted unless accompanied by this completed form. Mailed resubmittals that do not include this form or that do not contain the correctnumher of copies will be returned or discarded. You are encouraged to submit all items in person and to contact the Customer Service Counter prior to submitting if you are not sure about the number of copies required. " Project Number: 0 t/ - / G � '� U Project Name: Project Address: Project Contact: Phone: A& z�� RESUBMITTED ITEMS: # of Copies ** 1-7 Detailed Description of Item * Always submit the same number of copies as required for your initial application."" Resubmittal Requested by: .!- _ Letter Dated: / /_ —ember) OFFICE USE ONL Y RESUB Distribution Date., Dept/Div Building Planning PW Fire Other Name f # Descri Bulletin #129 — August 8, 2006 Page 1 of 1 k:\llandouts\Resubmittal Information SOME SYMBOLS MAY NOT APPEAR ON DRAWINGS DASHED SYMBOLS INDICATE EXISTING DEVICE BRANCH CIRCUIT IN WALL OR CEILING BRANCH CIRCUIT EXPOSED BRANCH CIRCUIT IN FLOOR OR EARTH BRANCH CIRCUIT EXISTING UNDERGROUND PRIMARY -W -W �w �14V �w -W -W -W pw_ PW PAwER UNE EMERGENCY CIRCUIT OR- DO-06-m- M-M- TF1_.r*0Ll%NE LITNE TM - TM L W _V" -W" -WN IREMOLD -WN -W" DATA LINE _DA -M -M -M -IM -MA -ZA DARKER LINES INDICATE NEW LIGHTER LINES INDICATE EXISTING HASH MARKS = # OF WIRES (NO HASH MARKS = 2 WIRES + I GRND) HASH MARKS = # OF WIRES W/ HARD WIRED GROUND LIGHTING FIXTURE -FLUORESCENT -RECESSED MOUNT 0 LIGHTING FIXTURE -FLUORESCENT -SURFACE MOUNT LIGHTING FIXTURE-FLUORESCENT-W/ 0I EMERGENCY BATTERY INVERTER 0 LIGHTING FIXTURE -FLUORESCENT -ON EMERGENCY CIRCUIT LIGHTING FIXTURE -EXISTING SHOWN DOTTED (TYPICAL TO REMOVE) 0 LIGHTING FIXTURE -EXISTING SHOWN LIGHT LINED (TYPICAL TO REMAIN) -WEE LIGHTING FIXTURE -WALL M13UNT [3 LIGHTING FIXTURE -RECESSED /W LIGHT/FAN FIXTURE -RECESSED 0 LIGHTING FIXTURE -CEILING MOUNT LIGHTING FIXTURE -CEILING MOUNT LIGHTING FIXTURE -WALL SCONCE LIGHTING FIXTURE -BRACKET MOUNT LIGHTING FIXTURE -EMERGENCY BATTERY PACK Eao POLE MOUNTED LIGHTING FIXTURE AS TYPED REFER TO POLE BASE DETAIL "PB" LIGHTING FIXTURE- SPECIAL REFER TO SPEC'S LV LIGHTING FIXTURE -EXIT LIGHT M MaAY OCCUPANCY SENSOR LY + OCCUPANCY SENSOR - 360* OCCUPANCY SENSOR RELAY DUPLEX LONVENIENCE OUTLET (DCO) S SAFETY TYPE DCO DCO 12©V W/ GROUND FAULT PROTECTION DCO 120V W/ ARC FAULT PROTECTION QUADPLEX CONVENIENCE OUTLET DEDICATED Dra (HARD WIRE GROUND) DEDICATED DCO (SPECIFIC EQUIPMENT> Q OUTLET 208V - AS NOTED JUNTION BOX FLOOR MOUNTED OUTLET - AS NOTED CONNECTION TO EQUIPMENT MOTOR DRIVEN DEVICE .$J-0 e = DEVICE OVER COUNTER LIGHTING SWITCH - SINGLE POLE LIGHTING SWITCH - SECTION AS NOTED LIGHTING SWITCH - THREE WAY LIGHTING SWITCH - FOUR WAY $D LIGHTING SWITCH - DIMMER t1% LIGHTING SWITCH - KEYED LIGHTING SWITCH - PILOT LIGHTED LIGHTING SWITCH - MOMENTARY CONTACT R SWITCH - MOTOR RATED C SWITCH - WITH OCCUPANCY SENSOR I'FCONDUIT FROM DEVICE BOX TO ACCESSIBLE CEILING SPACE OR AS NOTED. CONDUIT HOME RUN FROM DEVICE BOX TO PANEL AS CIRCUITED, y MBOLS ? ELECTRICAL PANEL W/NAME (TYPICAL TO NEW) 'I'lh l ELECTRICAL PANEL EXISTING cif NAMr P (TYPICAL TO REMOVE) ELECTRICAL PANEL EXISTING W/NAME TYPICAL TO REMAIN) FIRE ALARM SIGNAL LIGHT AND HORN (MINI HORN STROBE LOWER db) FIRE ALARM SIGNAL LIGHT AND HOR0 ('pezzlo' sound > 0 FP FIRE ALARM PULL STATION U OEF FIRE ALARM HORN FIRE ALARM SIGNAL LIGHT /)j>a FIRE ALARM SIGNAL LIGHT AND HOR 0- FIRE ALARM SMOKE DETECTOR FIRE ALARM DUCT DETECTOR FIRE ALARM HEAT DETECTOR 4A FIRE ALARM DETECTOR W/ A -- AUX. CONTACT FIRE ALARM MAGNETIC DOOR HOLDER' FIRE ALARM EQUIPMENT CONNECTION, (4-SD FIRE SMOKE DAMPER (]�,-O FIRE ALARM DETECTOR CARBON MONOXIDE AB FIRE ALARM DETECTOR W/ AD = ALARM BASE KEY PAD OUTLET 0- COMMUNICATIONS OUTLET (y)- VOLUME CONTROL OUTLET CLOCK CLOCK -SPEAKER COMBINATION (!b- CLASS BELL 1>� SPEAKER fll& PUSH BUTTON / CALL BACK SWITCH/WITH SPEAKER & PUSH BUTTON/ CALL BACK SWITCH of a PUSH BUTTON / START -STOP 1119 DATA OUTLET T1119 TELEPHONE/DATA OUTLET PIP PRINTER OUTLET TV(? TELEVISION OUTLET SIP VIDEO JACK OUTLET AJ9 AUDIO JACK OUTLET TELEPHONE OUTLET INTERCOM OUTLET DISCONNECT W/FUSES DISCONNECT PHOTO ELECTRIC CELL TC TIME CLOCK NL NIGHT LIGHT WP WEATHER PROOF WG WIRE GUARD E. C. ELECTRICAL CONTRACTOR BKR CIRCUIT BREAKER PEC PHOTOELECTRIC CELL NEC NATIONAL ELECTRICAL CODE W/ WITH DCO DUPLEX CONVENIENLE OUTLET CKT CIRCUIT AFF ABOVE FINISH FLOOR BFG BELOW FINISHED GRADE StM CIRCUIT BREAKER ENCLOSURE st = SHUNT TRIP K INSTALLED IN TOE KICK AREA A FIXTURE TYPE - LETTER UNDERLINk�D NUMBERED HEX SYMBOLS, REFER--D_ MECHANICAL EQUIPMENT CONNECT IOBI SCHEDULE UA LETTERED HEX SYMBOLSt REFER TO SHEET NOTES A OTHER SYMBOL SHAPE REFER TO OTHER EQUIPMENT CONNECTION SCHEDPLIL.E-S AS NEEDED. NOTE: DOTTED SYMBOLS REFER TO DEVICES TO BE REMOVED. DASHED OR DOTTED CONDUIT LINES ON DEMO SHEETS ARE TO BE VERIFIED BEFORE REMOVAL. THESE ARE USUALLY INDT,"CAT IONS OF SURFACE OR UNDERGROUND RAN CONDUIT, NOW 3/4,0 GALV, ANCHOR TS PER POLE 1UFACTURES SPEC, I TEMPLATE LUMINAIRE SCHEDULE FOR PARKING LOT Symbol Label Qty Catalog Number Description Lamp PL1 12 KAD 250M R3 DIE-CAST CUTOFF ONE 250-WATT CLEAR LUMINAIRE W1 20' BT-28 METAL HALIDE, POLES HORIZONTAL POSITION. PW 4 TWA 1 OOM GENERAL PURPOSE ONE I QC -WATT CLEAR BUILDING MOUNTED ECG-17 METAL HALIDE, LUMINAIRE, 10OW MH, TILTED 22-DEG. W1 CLEAR LAMP. STATISTICS Description Symbol Avg Max Min Max/1 Calc Zone #1 + 3.2 fc 8.6 fc 0.2 fe 43.0 0 0 -M --A -0--o 0 0- 0 ® 0 0 0 0 0 0 D-M 0-­­_ O-P- - . ... ... 0 0 0 0 0 ... ...... . C1 0__0 -0- 121 ........ -------- - - - - - - - - - W 'Vv C' DOUBLE NUT EACH ANCHOR BOLT (LEVEL PLATE) AND FILL WIN woomm"M SPACE WITH GROUT - -- --- R M UNDISTURBED EARTH uffl ll! VERIFY ON SITE, ALL SERVING UTILITY'S LOCATIONS AND REQUIREMENTS INSTALL PER SERVING UTILITY SPECIFICATIONS TO NEXT STREET LIGHT, VERIFY ON SITE. 1 1/4°C.w/: 3-#8awa. Lurnens LLF Watts ATHAY & ASSOCe mice 19500 1.00 297 COWLTM MECTMAL ENGNEM 9W HWAY 99 - SUM W 8500 1.00 140 VANCOMM WA, 98M W (NO874-M99 (509)24&2"0 9 f fax 0)5(887"208 = Sol NO raVoyeaftkyongow '000� TCH NEXT STREET (//J)/ LIGHT. VERIFY ON 1.9 1.� SITE. 1 1 4" ow 0 3- Bawg./ 12.3 31 .9 34 2.8 PB-A 5,11 l 5.S4" 5WO 5 4.2 3.3 2.6 .0 6.8 A� 23 2.1 4.9 3.5 % S 5.6 1.6 I 1,2 A A Q) 1.1 0.7 _3 3.3 3.1 11,0 +. 2.5 22 2.5 2.6 JJJ A 10 .9 '2."'2.0 2 � .7 .1 12. .;giA 'A /1.8 11.7 y PB U1.7 .2 2 2..0 1.9 3. 1. 8 2/8 2... i...2.2 C7 .9 .0 JfJJ 4.4 3.5 8 58 5.0 2a6 S /2.2 .7 LUMINAIRE SCHEDULE FOR STREET LIGHTING Symbol Label Qty Catalog Number Description Lamp File Lumens LLF Watts GE Lighting # M-400 CUTOFF 1; 40OW HPSCLEAR SL 2 M4AC4, 0S****MC3* 40'POLE ED18, HORZ GE177323.IES 51000 1.00 468 S I ION (Z Description Symbol Avg Max Min Max/Min Avg/Min Calc Zone #2 + 3.0 fc 5.8 fc 1.4 fc 4.11 2.11:1 Contractor to provide GE light fixtures to City of Federal Way standards and provide polebases to City of Federal Way standards. Verify locations of city owned transformer on site prior to bid. Proved all electrical needed to wire complete to city electrical system, 6P & LIGHTING PLAN im SITE -03 SCALE: 0 0 0 0 W memom CO) > =No W X C r L) Z Z .J rL UM 0 NSS" LLJ < 0 01 0 M M 0 ry 11,5 Az �K" "Rfi NY SHEET NO. (D C) 00 C) it B p \/c 2,3 4.7 4=== mm" mg ''Jim mm, moo= "aftft Waft "mft is In ri«' .2000MOMMI .10=* AM AM examom MOD u Q LEGAL DESCRIPTION THAT PORTION OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SECTION 20, TOWNSHIP 21 NORTH, RANGE 4 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SAID SECTION 20; THENCE NORTH 00*21'53" EAST ALONG THE WEST LINE OF SAID SUBDIVISION 326.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 87'26'19" EAST 704.31 FEET TO THE WESTERLY MARGIN OF PACIFIC HIGHWAY SOUTH; THENCE SOUTH 21*50'33" WEST ALONG SAID WESTERLY MARGIN 204.82 FEET; THENCE NORTH 86*07'16" WEST 629.93 FEET TO THE WEST LINE OF SAID SUBDIVISION; THENCE NORTH 00'21'53" EAST ALONG SAID WEST LINE 179.10 FEET TO THE TRUE POINT OF BEGINNING. 77717M r W1 u m CODES: I.B.C. 2006 EDITION WITH WAC ADMENDMENTS BUILDING ZONE CBD-4 OCCUPANCY R1 CONSTRUCTION: V—A 90 UNIT HOTEL — 4 STORY BUILDING SPRINKLED, NFPA 13 a NOTES. PATIO FURNITURE TO RF DETERMINED BY OWNER AND/OR INTERIOR DESIGNER, CONSTRUCTION MUST BE OF AN APPROVED MATERIAL BY FRANCf IISE. TABLES AND HAIRS TO BE SHATTER RESISTANT. Now - POWWOW FFE=254.0 HOTEL 4 STORY SITE AREA TOTAL HOTEL COVERAGE ASPHALT PAVING WALKS LANDSCAPE/OPEN AREA PARKING REQUIRED PARKING PROVIDED 11 48 LO El A 124,104 — 19,272 SQ. FT, 53,621 SQ. FT. 1,864 SQ. FT. 49,347 Su", FT (1 PER UNIT) — STANDARD H.C. TG I AL 15.5% 43.2% 1.5% cv 39.8/o 91 87 SPACES 4 SPACES 91 SPACES � W % br tt LAND5CAFE 5FECIFICATION& 1 - Refer to details for additional information. 2. Chemically kill and remove from site all existing weeds and vegetation not shown to remain on plans. 3. Distribute imported sandy loam topsoil (approved by the Landscape Architect) in areas shown and at depths indicated for crowning and berming of landscape areas, and backfill of retaining walls if required). Dotted lines Indicate 1' contour intervals. All landscape areas shall receive topsoil, whether indicated on plans or not, so that finish grades of all shrub beds shall be 2" below tops of adjacent curbs and pavement, and lawn areas shall be 1/2" below tops of adjacent curbs and pavement. Structural fill areas: Any landscape areas occurring within structural fill zones shall have said structural fill materials excavated to a depth of 12" below finish grades in shrub areas and 6" below grade in lawn areas, and replaced with specified topsoil. Dispose of excavated material off site. 4. Fine grade all landscape beds prior to planting operations. 5. No plant substitutions shall be permitted without prior approval of Landscape Arch itect/Owner. 6. All plants shall conform to the latest edition of the American Standard for Nursery Stock. 7. All plant materials and plant locations shall be approved by the Landscape Architect prior •to Installation. All plants shall be thoroughly watered immediately after planting with Alaska Fish Fertilizer solution. 8. Soil amendment for soil preparation and planting backfill shall be a screened 5/8" minus nitrified wood residual compost equal to: 9. A. "Compost Plus" brand compost as available from South Sound Soils, Tenino WA (360) 73-- 8862• 10. B. "Groco" brand compost as available from Sawdust Supply Co., Seattle, WA (206) 622-43219 11. or Great Western Supply, Olympic, WA. (360) 754-3722. 12. C. Northwest Organics Compost as available from Northwest Organics, Redmond, WA (425) 558-4100. 13. Soil Preparation - all landscape areas). •Spread 9 c.y. of specified soil amendment per 1000 s.f. (approx. 3's depth) of area. Spread 100 lbs./1000 s.f. of dolomite lime (in lawn areas only), 150 lbs./1000 s.f. of Agricultural Gypsum and 15 lbs./1000 s.f. of 16-8-8 commercial fertilizer over soil amendment. Roto-till all 0 of the above to a 6"-8" depth and grade smooth, compacting as required and removing all rocks, clods and debris. 14. Lawn areas (seed or sod refer to plans) shall consist of the following turf types: 15. 16. 60% Turf-TyDe Perennial Rye Grass Varieties 17. 20% Bluegrass 18. 20% Hard Fescue 19. Seed and sod shall be equal to that as grown by Country Green Turf Farms. Olympia, WA. Seed shall be applied at 7 lbs/1000 s.f. and include 10 lbs./1000 s.f. of United Horticulture 15-5-10 fertilizer in all lawn areas. 20. All trees in lawn areas shall be planted In a 3' diameter circle of bed mulch. 21. Backfill mix for all plants (except Rhododendrons & Azaleas) shall be a blend of 1/3 existing site soil, 1/3 /-V 61 coarse sand, and 1/3 soil amendment specified in No. 8. Backfill mix for Rhododendrons and Azaleas shall consist of 2/3 above specified backfill mix and 1/3 fine grind hem -fir bark mulch. 22. Apply Osmocote 18-6-12, 9 month slow release fertilizer over the surface of all plant pits at the following rates-, 23. Trees Over 10' Height: 2 Cups Trees Under 10' Height.- 1! 24. All Shrubs Except 1 Gallons: 1/2 Cup 1 Gallon Plants.- 1/4 1 Cup 25. Ground Covers: 1/4 Cup 26. Fertilizer tablets for all plants shall be Agriform (20-10-5) 21 gram or 10 gram tablets distributed as follows: All trees: 4-21 gram tablets, all shrubs (except 1 gallons): 3-21 gram tablets, all 1 gallons- 1-21 gram tablet, all 2-1/4" and 4" pot ground covers,* 1-10 gram tablet each. Set tablets directly next to rootball. 27. All shrub and ground cover beds shall receive a 2" depth (6 c.y. per 1000 s.f.) of "Fine Grind" hem/fir bark mulch as top dressing. 28. Apply a granular pre -emergent herbicide to all shrub and groundcover beds at the conclusion of the maintenance period. Do not use Cosaron or Norasac Brands. 29. All work shall be performed to the satisfaction of the Landscape Architect/Owner. 30. All plants shall be guaranteed for one full year from date of project acceptance. All replaced plants sho!l be re -guaranteed. All replacements shall be made within 21 days of receiving written notice from the Owner. Contractor shall not be responsible for plants dying due to Owner neglect or vandalism, after the maintenance period. 31. Plant list quantities are shown for reference only. Contractor is responsible for verifying all quantities in list with actual plan call -outs, and installing plantings per the landscape plan. Groundcover and/or mass shrub quantities shall be adjusted as required for field conditions at the specified spacing. 32. Final inspection shall occur at the conclusion of a 60-day maintenance period. Maintenance period shall commence upon completion of all landscape Installation activities and shall include the following: A. Mow lawns once per week. B. Remove all weeds over 1" in height. C. Replace dead or unhealthy plants. D. Ensure proper function of Irrigation system. E. Ensure adequate moisture is delivered to all landscape beds including non -irrigated areas. F. Fertilize all lawns at conclusion of maintenance period. WIDTH VARIES REFER TO PLAN FINISH GRADE (INCLUDING BED MULCH) REFER TO 3" MIN.; PLAN FOR SPECIFIC 2" 0 SHRUB BERM & CROWN HTS. BEDS, FLUSH 0 LAWN AREA 111110 11 R - - EEI I EEI 1 1 1 EEI I SUB -BASE ASPHALT MATERIAL PAVING NATIVE SOIL CONCRETE CURB F OR TOPSOIL FILL R EFE R TC) ADJACENT PAVEMENT SPECIFICATIONS FOR SOIL TYPE NOTE; 1. GENERAL CONTRACTOR SHALL REMOVE EXCESS ASPHALT PAVEMENT AND SUB- BASE MATERIAL DOWN TO NATIVE SOIL 2. SOIL IN PARKING LOT LANDSCAPE AREAS MUST BE NON -COMPACTED TO A IN. DEPTH OF 18 PARKING ISLAND PLANTER DETAIL .. ... . . . .. . NTS FINISH GRADE AT LIP OF VALVE BOX: REFER TO BOX IN TURF AND PAVED IRRIGATION SHEET NOTES AREAS (11" BELOW LIP IN OR SPECIFICATIONS ALL OTHER AREAS) VALVE BOX COVER - BRASS UNIO 'W`RASS NIPPLE!- - 1. this plan is diagrammatic- all piping, valves, etc. shall be installed In shrub beds where possible and shall follow the plan as close as is •practical. Moinlines within the project limits. 3. Pipe sizes are constant between pipe size call -outs. 4. Refer to details for additional information. 5. All piping and wiring under paved areas shall be housed in class 200 pvc sleeves installed at a 24 depth. Size sleeves as needed to accommodate pipe and wires, unless otherwise specified on drawing, 6. Contractor shall make field adjustments as needed to obtain full coverage. landscape architect reserves the right to make nozzle changes as needed at no additional cost. Adjust head positions and add or delete heads as needed depending on actual field conditions. 7. All manual, gate and electrical valves and other underground equipment shall be housed in nelson, ametek or equal rectangular valve boxes. 8. No in -line wire splices allowed. supply valve boxes at all electrical junctions. tape and bundle wires every 25 linear feet. All connections and splices in the red/ blue two wire (IDWIRE) shall be made with 3M Company DBR-6 or approved equal water proof connectors. 9. Earth ground should be connected at every 12th decoder or 1000' (ft.) of wore run, whichever is shorter. the final decoder in any wire run should be grounded, including final decoders in each of the different arms of a "T". Decoder grounding hardware shall be connected and placed at right angles to the run of the two wire path. 10. Contractor is responsible for complete system drainage. install king bras. 1/2" automatic drain valves at lateral line low point(s). Install manual drains at all mainline low point(s) and where indicated on plan. contractor shall provide adjustable check valves on any Irrigation head that experiences low head drainage. 11. All threaded pipe connections shall be mode using teflon tape wrapped at least three times around pipe threads. 12. All gate and electric valves shall be installed with unions on the downstream end of the valve (refer to details). 13. All pipe shall have a firm uniform bearing for the entire length of each line, free of rocks or debris. All trenches containing pipe and/or wires shall be backfilled with clean topsoil, free of all lumber, rubbish and rocks over 1' in size, or clean sand If clean topsoil is not available. 14. Contractor shall provide owner with one set of as -built record drawings showing exact actual locations of all sprinkler equipment. Contractor shall orient owner with complete system and controller operations,',' and winterization procedures. 15. Contractor shall supply and install all equipment shown on the plans and indicated in the specifications I I to achieve proper operation of said equipment. All equipment installations, electrical and plumbing connections shall be in conformance with all applicable codes and ordinances, these specifications, and the manufacturers recommendations whether indicated on the drawings or not. 16. Contractor shall include in his bid one fall winterization and one spring activation of Irrigation system. these activities shall be included as part of owner orientation procedures. Any damage to the irrigation'', system or the landscape as a result of failure to comply with these requirements shall be the sole rez::,�Wnc>ns tKIMty of the contractor. 17. Contractor shall guarantee in writing on his company letterhead all materials and workmanship for a period of one full year following acceptance of system Installation. 18. Backflow preventor shall be inspected •and tested by a certified backflow device Inspector. Provide owner, with one copy of approval certificate, CONTINUOUS OUTER ROW OF AREA FOR SPACING PLANTS SPACED "Y' ON CENTER ADJUSTMENT AND SET BACK FROM THE PLANTING BED EDGE 2/3 lox## + + 2/3 max" + + EDGE OF PLANTING BED + + + + + V ItX \X111/ + + + TRIANGULAR SPACING WITHIN� 2 /3 PLANTING BED SPECIFIED PLANT SPACING="X## INDIVIDUAL PLANTS REPRESENTED AS-,+ PLANT SPACING DETAIL NTS LAWN EDGE DETAIL NOTE: ALL WIRES TO BE INSTALLED AS PER LOCAL BOX COVER CODES. NO "IN -LINE" WIRE SPLICES ALLOWED. TAPE AND BUNDLE WIRES EVERY 20 FEET. PROVIDE EXPANSION COILS AT EACH VALVE - FINISH GRADE AT LIP OF SCH. 40 PVC TEE WRAPPING WIRE AROUND 1/2" PIPE 15 TIMES. BOX IN TURF AND PAVED AREAS; 1" BELOW LIP IN ALL THREADED CONNECTIONS SHALL BE MADE WITH TEFLON TAPE. ALL OTHER AREAS VALVE BOX; REFER TO C� JAI, IRRIGATION SHEET NOTES KING BROS. AND/OR SPECS 1/2" AUTOMATIC DRAIN VALVE♦ Z SHED. 80 PVC UNION ELECTRIC IC CONTROL VALVE 6" CLASS IA ASS 200 PVC PIPE r.A SCH. 80 PVC NIPPLE PVC SLEEVE CP CIS! LIq Q, IA TO SPRINKLERS G SCH. 40 PVC & FITTING GRAVEL SUMP CPO 2 X 4 CEDAR BLOCK 2 CU. FT. DRAIN GRAVEL ------ TAPE AND BUNDLE WIRES LOW VOLTAGE WIRES NOTE: SCH. 80 PVC NIPPLE; INSTALL AT LOW POINT(S) 1 CU. FT. DRAIN GRAVEL LENGTH AS REQUIRED -V- OF EACH VALVE LATERAL 12" MIN. LINE SYSTEM TO FACILITATE BELOW VALVE SCH. 40 PVC FITTING COMPLETE DRAINAGE. PRESSURE MAINLINE 4 AUTOMATIC DRAIN VALVE sm ELECTRIC CONTROL VALVE NTS NTS I lit, 1.1111, a DUMF5TER AREA -NOT TO SCALE ROOT BALL/POT BACKF'i'LL S3'_ 'kx 1 FERTILIZER TABLET 1" CHAINLOCK TREE TIES ,r% r-.% 10% uOVER PLANTING DETAIL �t4_ POTS) NTS 3'r, 3 (2)- BVC WOOD TREE STAKES (8o 1­11".) -0 2" MULCH IN BASIN 3" WATER REYNTION BASIN (IN SHRUB AND GROUNDCOVER AREAS ONLY) FERTILIZER TABLETS REMOVE BURLAP FROM TOP 2/3 OF ROOT BALL. BACKFILL SOIL MIX NOTE: 2# ROOTBALL 12'1 1. REMOVE OR WI D'I'l-I ISYNTI­ -IETIC BURLAP COMPLE'I'ELY. T I N, 4- 2. USE APPROVED ROOT BARRIER 4- ON ALL TREES LOCATED WITHIN PLANTING PIT- 6' (FEET) OF A WALK, CURB OR SHALL BE A MINIMUM OF TWICE STREET. THE ROOTBALL WIDTH. TREE PLANTING AND STAKING DETAIL NTS ALL OTHER AREAS) QUICK COUPLER VALVE BOX COVER 7 FINISH GRADE- LOCKABLE VALVE BOY 2-STAINLESS STEEL WORM - GEAR CLAMPS 0 0 1/2" DIAMETER STEEL ROD - 30" LENGTH FINISH GRADE ...m* . WALK OR CURB "A 3 to - fill SPRINKLER BODY 1-SCH. 40 & 2-MARLEX STREET ELLS OR THREADED RISER PRE -ASSEMBLED (IF NEEDED) SWING JOINT W/ SCH. 40 SWIVEL ELLS 30* -45* LATERAL LINE FITTING POP-UP SPRINKLER ASSEMBLY NTS I O CU _r", 6RB R " EDGE Ill �k SCH. 80 PVC NIPPLE LENGTH AS REQUIRED 40 PVC COUPLING SCH. 80 PVC NIPPLE SCH. 40 PVC ELBOW it 11.0 40 PVC 90 F STREET ELLS 4 hi -SCH. 40 PVC MAINLINE FITTING SCH. 80 PVC NIP. QUICK COUPLER VALVE 1Z NTSA RAINBIRD #63100 -FINISH GRADE VALVE MARKER STATE OF WASHINGTON REGISTERED LA ND$ ARCHITECT Ije, j tt JEF17Ri5y B. GLANDER C6irfrficate No. 405 I 210�plpld C;d P-4 00 a(_07) (D mom Qaa�a°� W�W L 4") V) W F�1 d, r"eA On" < r-r PMM" Vol* *we sheet t:JETLAND 4 STREAM '..m,.�'A6845$MENT MITIGATION ,LAN"PERFlARED 5Y RAXEDEKE ASSOCIATES, INC R RE STO RAT ION F STREAM 5UFFERI., olom woo" =wca �1, 7 77 w" `MTKTU Wool," Wfi 77wl '! P1 le�-STRANSVA=;�, p RAW gm 4 (3 L uc;�, 41 2-COLUMN,i jl� HORN5E� 10 ENGI.� :LAUREL (2 L04 S -FOUNTAIN I MINOR 'LUMNAR HORN15FHAM 10-FACIFIC WA, . rL, Vpw" 1! "k MYRTLE (2 LO ---AGRANT SARCOCOCC"", W mgj, nt", J­ v CO3 Ag 1, - v1d, 0 !,X "IL 3::LUE$TERN RED "K Tat 71 CEDAR la ",V A ,� WA , apw 2 -KINNIKINNICK L 2 ''O.0 2 -COLUMNAR HORN5EAM,.__ INNIKINNICK 21o. r=OD�AR CEDAR FA 5-COLUMNAR �40RN5EAM 10-MEEXICAN ORANGE 1-5URNING 5USH TYPE 3 5URNING 5USH 13-FLOFFY DISK' CINQUW=OIL I—DEODAR CEDAR 2E)-l=ACFIC UJAX MYRTLE (5 LOCS-) 20-DLLF. ENGLISH LAUREL (4 LOCS-) 4—WESTERN RED CEDAR f ,77 ....... .... . 'IVA, _44 pil , 77, a0l' Vw I'ZA 01 E,,Zw 7' t "VEN I 's �111 J!"' —,_qwl, x pm, I M'� W&N T", W AL T_"W I MOOR ... ......... ... .. ... . ...... ...... ...... ............ .. Y� 11C A Q a ArT1,40 ON rl 4- n 50TA L 'N`AM""* .... ..... .. . ........ . . ... . . ...... ....... ... .. . ........ N' o""' RU50"' M '0 G T 0 5"E"R % GLORY''! 'OGTO5ER GLORY' MAPLE =4 A m Mu HT., 21/2 CAL, 14 - CARFINIJ5 5ETULA5 'FA5TIGIATA''11 COLUMNAR H 0 RN 5 E:__ AM 2 CAL, 12 -14' HT./ 5 4e STYRACIFLUA AMERICAN SWEIET GUM 2 CAL, 12 -14' HT, 5 45 THUJA OCGOEENTAL16 WE-5TE-RN REZ) CEDAR op Small r, 9 Mo ARCT05TAPHYLO5 UVA-URSI Buxus JAPONICA 'GREEN BEAUTY '0541 18-24" PT. 4 SPREAD, 545 OR CONT. 212' O.C. 9901 sa M a Mzj, A llugNi?ll 1= agm �lom 2 GAL, W' MIN HT. CONT. 1120 V AA 2/2' O.C. Cr AREX MORROW11 'ICF. DAN ICE DANCE' 5EIDGE CHOIYSA TERNATA MEXICAN ORANGE E� GAL., MIN. 24' HT. CONT. 4' OrCo E� GAL., MIN. 24'' HT. CONT. F�' O.c;. EUONYMUS ALATA 'COMPACTA 101" allagowt- HYDRANGEA MACROPHYLLA slomirld"01 5 GAL., MIN, 24" WT. CONT. a 4' O.C.-A55T. COLORS J F LIGU5TRUl*%'l JAPONICUM WAX LEAF PRIVET MIN. 24" HT. 4 5PREAD, 545 OR CONT. is 4'OC _- --------- - ------ ------_---- Myf;RIC:A CALIFORNICA FACIFIC WAX MYRTL 3(o MIN. HT. 4 5FREAD, 545 OR 'o%oNT. V O.C. NANDINA DOME5TICA 'GULF 5TREAM F STREAM' NAND NA E� GAL., 24' MIN. HT. CONT. 21/2 O.C. ENN15TETUM ALOFECUROIDE6 'HAMLIN' uIrm I GAL., 16'' MIN. HT. CONT. 6 21/2' 0.(10.,: POTENTILLA FRUTIC05A 'FLOPPY ID IEK MW 2 GAL, 1811 MIN. HT. CONT, 6 21/2 O.C.2111-11 M 24 FRUN1.16 LAUROCERASUS 'OTTO LUYKEN' 'OTTO LUYKEN' LAUREL IN. HT. 4 5PREAD, 5 $13 OR CONT. 6 4' Ooc* 24" MIN. HT. 4 69READ, 545 OR CONT, a (o O.C. FRUNIJ5 LAUROCERASU5 'NANA gaa o, RU5US CALYCINOIDES CREEPING TAIWAN5ERRY il 5ARCOCOCCA RIJ!5CIFOLIA FRAGRANT SARCOCOCCA 5 GAL, 24' MIN. HT. CONT. 41 o. --------- -- -- ­ ----_------------- SKIMMIA JAFONICA REEVESIA-44- N�'2 GAL, 18'' MIN. HT. CONT. 21/2 - ----- ---- 5FIREA JAFONICA 'GOLIDFLAME'��'l 'GOLDFLAME' 5FIREA 2 GAL 10'' MIN. HT. CONT. 0) 3' O.0 % STRAN5VAE51A 2411 MIN. HT. 4 5PREAD, 545 OR CONT. a (o 0 C STRANSAE51AN UNDULATA 2 L-t 18'' MIN. HT. coNT. s 21/21 o.c. DAVID VI5IJfRNIJt"ol GA V15IJRNU�l DAVIDII .... ........... . ........... ..... . FAN "0 h ,QWm m Wlow anlw ovum 1101W MATCH C#=2 SOUTH LEVATION 4 /011 1, 1,111, ...... ..... . .... ... . . , FIRST FLOOR F.71� n A tu u A.F.F. tai$ M� ATTIC LEVEL Fr. ...... ...... ...... Vw 10 Iffie &F.F. THIRD FLOOR F.P. --------------------- W4 P 114AeFeFfe THIRD FLOOR F.F. j, ------- ------------- p- 19'=9 1/4" AwFmFq a SECOND FLOOR F.F. wwrwwr --- -- -- -- ---- ------ -- 1%4MMMMMMMMMMMoop, I W=4 5W AeFeFe 0 0 FIRST FLOOR F.F. 10 ---—--- -—---—------- 0 =00 AoFwFw �^�'� Li bi < IA ki� ol 1, R4", I I k �t. SHEET NO. 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T 10"'TIN"' SANITAR"o SEWER A 0*% A' PROPOSE NITARY SEWER EXISTINGj WATER LINE Al CITY OF FEDERAL WA' Y INSPECTION NUMB R 253, 8,35,=-27,00 uvER 4" CR'USI­ 1'E D R, 0" K BASE (u`RB) A AT CR IN' BOTTOM STORM PIPE 2A VZ)o kv -+3.5 Ne*Y� TOP, "ANIT -RY SEWER PIPE-241.5 4 1 NSTALL STORM MANHOLE AT D E T E 1"N'T I N"LE PO.INT,WIT"- 36 TRAk'SITI"N FR'O%M ON A t.� u V W 0"ROP"`SEr% WATE u I-0 u R LINE r-,ER"Nm I ul Mf I T N 0 "8 3 5 8" %R TE' NT8 Q`, E r N. E � R.A� E s QJ3 INSTALL VC SDR 35 56 —8 TO M, DL R A I N DETEIN 6 0 NTION TO MANHOLE, RIW--254.5, IE —245 6, 1E IN 10 —245.6, 1 IN E 36" IN&'UT-243.5 E X I't"'iT I N G CURB .1 ES AN0 ELEVA PROPERTY UNt TI ON S ARE BASED, ON TOPOGRAPHiC SURVEY PROVIDED BY U4 'INSTALL 88'-8" PVC v SD R 35 STORM' DR -A IN: INSTALL 118 PVC SDR 35 0'*4TON RM DRAIN AT SL �OPE —12 *"_134% AND RIPIRAP PAD, '240 PROPOSED CURB \,A- D ED BY �SADLER BARNARD & ti 0 NC. PIOGRAP-HIC, SURVEY PRV A'��S CIATES I' I'E AT MANHOLE *11� -.80 IIE AT PAD*m*w225.,O ER, T BASED ON 0 NTY SURVEY MONUMENT GM'' 71v ELEVATION-268 71 1CAL,DATU �M� 1,114 XIN-G C INSTALL 14' 8" PVC SDR 3.5 STORM� -DRAIN, .10 EXISTING CONTOUR' NEW Qw 'F APPR OVED 2. PROPOS SPO ELEVATIONS ARE� AT TOP FACE OF CURB OR TOP OF PAVEMENT UNLESS NOTED OTHERWISE,, ED INSTALL 5 -8" PVC SDR 35, STORM ORAIN 252 PRO $ED CONTOUR I KPR HOSPITALITY SADLER -BARNARD & ASSOC. INC. IV k t 3. APPROX1MATE CUT AND, FILL QUANITIES ARE 19,200 CUBIC YARDS. U17 INSTALL 6-8" PVC SDR 35 STORM,, DRAIN' 2200 6TH AVE, SUITE 5,20 71.7 WEST STEWART DATE 4 ;i.-A=15,600, SQUARE FEET, PROPOSED I:M,P,ERVIOUS AREA-41,640 SQUARE FEET, EXISTING I,MPERVI0U:S ARE n18, INSTALL 49 —10" PVC SDR 3:5 STORM. DIRPAIN' -121 WA 98371 SEATTLE WA 98 PUYALLUP,,. (206) 931-11573 (253) 848,­ 5170 FEUP NAL SITE 1 Zur"%4Xl,,O � I � I � . I I I � I I I I I I � I I I I I I I I I I I � I I I I I . I . . I I I . I I I I I � � I . 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OT the projett, Otto e "11 pro disturhed� -dreas greater than 5,000 �squaee f' 'to that, the, Urno pe r 1 t,h;rou,:qh April 30. -a a ee 12, 'Durihl, noo OT ject, 111"N'SERT 'SACK I co: [\'STRUCTIOIN E III T RA IN CE UUD A EN' CURB R MP then -12., hours, sh. Ai be, covered, b �ojj:e owin,g cover measures- mul ch so are left- unwdrked forlen',or Y, of the f6if 0 4i, or 1piqtuc SIDE- VIEW covering. Wet, Sea: requirements as C I e 1 011 son� des'' t4b, d Jh, Appen�d*x D"i, 'Sectf0h, U�5,Z f KCSWDM -N.`OTt't1 0"%I fl, `E�'L 1*&*`,T,R" "C711000 `#"*",N 'NT 'RA URA E APPROVED .1, a ''Y orory s'ettl I Inn a si e,, n; !%estdry *n shall be, m,od*f*ed wl 1,3.,, Any por'mohent re,te�n't:i,,,on/d,,e,t,,,,eh,t*on focitit used o's 0,, te, mp ith th e"c, 's 'to CURR MLET MUST BE BLOCKED S,1ZE', OF FIL :E: BRIC INLET SACK TO BE R:' F A WHEN USING FIJLTER FAB:RIC INLET SACKS.. DETERMI.,NED BY MANUFACTURER0 N-C, sures a 8t lty� If th,e ..,"rmanent fo Ifty fun Uon uitim'otef erosto- cr ntrdl mea" nd,, shdfl, ro: vid adequate �c I :,y �,:O$* n, o' C P DATE I siom sys 0 sett[Ing h,asin, No under d� t ' 1- an "n,fiItrot*on or dspler'' tsm, tht 'facility tholel n t be u,,$',ed, Os 0, WOIM�� Porory groun� e en ion DRAWING, NOT TO, SCALE rIIIIIII`% Oft AFI FE"ERAL E' ut)lUrN 14 u o. nr W1141fQ n, III 'h-A, �q torma6m, ry At I in. qh , t: j P. d, n �q n q, , tHnid, b�os —4— r— rw-4, P-I A 0-I r-I I ,IIII ZONE,, ,UTY OFFEDERALWAY 11 g gol in 111 1 1112 111 11111: ��il M121% 'I, �19, Z nPis isssis I IS' I'll gg gi Ig S TANDARD P LAN �NOTES 24struct !Ience, C ton eg, Gene.ral Niotoso n/ ros I im "ontroIN e �110 Leo*, 2ntation-C ot s: I Before' any con,structi ion or develo ment ac Precon tivity, a struction M u be held �between the City of Federal, Way, the appi icant P eetmg m st and applicaht.'s construction representative, ion All, construct" shall �be accordance withthe -Federal W ay, C ity-, Code, tr Q, applic le n W �, C, ab ordina ces- andthe,City conditionsof Appro al, of this Eros v lon/S'edimentation Control,(ESC) plan doesnot constitute anapproval of permanent road or drainage design (i.e. size roj oct approval. These documents are, supplem. ented, the St P by and"M, unicipalCo'nstruction and location of roads, p, i-pe, s, rest tctor,� ch I Ities, Utilities, etc.). ri annels, retention fac ili 2.' Flag clearingli'mits-, (WSDOT/AP.WA) the,King County Road Standard&,(KCR,S) -Ki, �8,u Water Des* �M, anuaI:(.KCSWDM), It Shall be, -a the n C000 e ign Ity the sole responsibilit ofthe appl cant'and the., f&ss'd I eerlo,,�wrrect, ariy;,error. om on fro the� above pro I nai�eng, n y is ion or variai In T IMP he lementation of these ESC plans and the construction, matntenance'replacement, and upgradi g�of these ESC facilities is te n i 1 h 3. Install stabilize, d construction'. entrance. requirements found 'in these plans. All corrections shall be,attnoocldi al st I I it, y. it M Way. tion co �,or liab'I Jo�,Ihe,C` of F y P10 ity of t res, nsi oil, e applIcant/contractor until all construction 'i's approved. 4. Install filter fabr ic fence as indicatedon plan. 2'. The designelements. within the, se plans have been reviewed accotditi,&,to the Federal Way Engliln'eering Rev e elements iew Checklist.Som o ari 3. The b und *es of the cl ar" g I'm e in I its shown on this plan shall be clearly flagged in the field prior to construction. During the construction 5. Install offsite catch basin -protection, have b A overioo ma I y. ee' ked, or m issed by theCity Engineer Plan'Reviewer Any variance,'from adopted standards,is not allowed unless Ing perio arin I I, d, no disturbance beyond the flaggedcle g limits shall be permitted". The flagging shall be nia'nta"ned by the applicantkontractor specific ally approved by the City of Federal Way, prior to construction. for the duration of construction. 6. Construct sediment trap/' ond. P 3. Approval of thi s road, grading, and drainage plan does not constitute an Approval of any other construction, e. domestic, wate r co nveyance, 4. The ESC fac"ities shown on it thisPlan must be constructed in conjunction with all clearing and gradi jig act 'vities, and ins cha m- s to J I I u anner a 7. Clear andgrub, areas of the site to be rough graded or filled. sewer conveyance,, gas, electricit etc.) y insuro that sediment laden water does not enter the drainage system or violate appl licable water stand,,("'Irds. 8. Install interceptor swales/berms and check dams. 4. Before, any construction or development activity, a Preconstruction Meeting m ustbeheld,,between the City of Federal Way, the, applicant, 5. The ESC facilities shown on this plan um,requirements for anticipated site conditions. During the con are the minim struction period, these 91. Rough,grade site and linstaIJ storm conveyance system and retention/detention facilities. Provide inlet where indicated. and the applicant's construction repre sentative. ad 1101 �ESC. facilities shall, be, e d (Le., additi nal sum.ps, relocation of ditches and silt fences, etc.) as t)eeded, for unexpe'eted storm events. Upgr protection 5. Aco ofthese '�ov J P y 4pP ed� plans must'be onlhe 'ob sitewhenever n is in progress, 6i The ESC facilities shall be inspected daily by the appficant/contractor and maintainedas necessary to ensure their continued functioning, 10. Install remaining utilities and building., 6 Cb''nstructio-n- noise shAllbe limited- as per'FWCC (Section 22-4 006), ,."or y is� is 0 a,' tq 8 O.m., Mond4y thr' day. mall m gh th ou ,, Fri 7. Any, 'area stri ped, of v p egotation, in P - eluding roadway embankments, where no further work isantic'pated or a, eriod of 15 days, shall'be J L Finish grade site and construct asphalt s dri ewalks, curbs and gutters. P arkin -areas, acces Ives sid Immedi Iliz attoly stab" i ed wl, �approved ESC methods e. seedIng', mulching, n Ing, erosi tc.) *th the on blankets, e' 12. Co in ac mplete, site stabilization with land capo plans. cordance S 7. It shall be the applicants/contractor's responsibility to obtain all construct ton',,easements necessarvl,before initiating ou-site workwithin the , road, rights of way. 8. Any area needlng,ESC measures, not requirl" mmediate at tention, shall, beaddressed within 15 days. 13. Clean storm drainage system, on and off site, of all sedimentand debris. 9., The, ESC facilities -on, -inactive, sites shall be inspected and -maintained a minimum of once a month, ot, w ithinthe 48 hoursfollowing a storm, 14, Remove temporary erosion control facilities when sitel" letely.stabilized. 11 S com :Franchised utilities, of other installations that are not shown on� these', 4pp.oVed,,,pJ­.ahs shalt.ilot,,be, ibonstructed:� unless an: approved set -of plans event.. that meet all City requirements, and the requirements ofKCRS, Chapter, $,are ub p i S 'tnit th ;,City of Federal'Way at least three days P, rior to construction, :10., At no: time:, s1hallm. ore -than one foot of sediment be allowed� to accumulate within. a catch basin. All catch basins and conveyance lines shall be cleaned prior to paving. The cleanini ration shall not flni,,ss water into the, dowtistrearn, system, ,z ope i 90 Vertical datum shall be KCAS or NGVD-29. 11. Stabilized construction e I ntrances and wash pads shall be installed. at the beginning of construction and maintained for the duration of the 10..'Gtoundwater system construction shall be within a right of way or appropriate drainage easements, but not underneath the roadway section. project. Additional measures may be required to insure that all paved areas are kept, clean for the duration of the project. All groundwater systems must be constructed in accordance with theWSDOT/APWA Standard Specifications. 12. Wet season requirements as described, in Appendix D, Section D. 5.2 of the 1,998'KC'S'WDM, are in c ("fect beginn Ing October I st through 11. All utility trenches 'in the right of way Shall b,'e backfilled with 5/8inch crushed rock and compacted to 95%density. When trench width 'is April 30th. 18 inches or less, and is within the traveled way, trench will be backfilled with control density fill (self-com, Pacted flowable fill) as defined by Washington Aggreg4 ates and Concrete Association. The aggregate will be 38/-inch minus. Verm 1, 1, Ity 13. Any anent retention/detention fac'I' used as a temporary settling basin shall be modified with the necessary erosion control measures and, shall provide adequate storage capacity. If the permanent facility is to function ultimately as an infiltration or dispersion, system, the 12. All utility trenches,shall be backfilled and conipacted to 95% density. I an, facility shall not be used as atemporary settling basin. No underground detention t ks or vaults shall be used as atemporary settling basin. 13. All, roadway subgrade shall be backfilledand compacted to 95% density iti accordance withWSDOT 2-06.3. 14. Where seeding for temporary erosion control 'is required, fast gertninating grasses shall be appI 'led at an appropriate rate (i ualor i.e., ann perennial rye applied at approximately 80- pounds per acre). 140 Open cutting of existing roadways i's not allowed unless specifically approved by the Public Works Directorand tioted on these approved plans. Any o n cut shall,be restored in accordance with KCRS, $,.03(b)3. PC 15. Where straw mulch for temporary erosioncontrol is required, it shall- be applied at a minimum thickness of two inches. 15. The contractor shall be responsible, for prov*di' adequate �sa eguards., ces f1 1g, i ng & V-1 prOtec, ive equipment' a&,_,,,ers, and any other"needed, ty4C 16. Management prac tices provi i I 'I 'd*ng,s*gnfflcant tree protection shall be provided, per Section 22-1568', (c) (6) (a-g) of FWCC. actions to protect life, health, and safety of the public, and to protect property in connection, -with the performance of work covered by the contractor. Any work with *In the traveled right of way that may "Interrupt normal traffic flow shall require at, -least (',)tie flagger for each lane of traffic affected. All sections of the WSDO"I'Standard Spec ifie"ations 1-07.23-1 Control, shall apply, .16. Contractor shall provide and install, all re and wa-min g sign�s'po,-r'th�,elate,,st,edit*oti, f Manual On Unlforai J'raffic Control Dev' 1 0 'Ices. 17. All utilities shall be aqjusted to final grade after paving asphalt wearing course., 18. Rockeries are considered tobe a method otbank stab i lizatlon and crosion only. Rockerics shall not be conl5tructed to,serve.as ret i ing aint walls. All rockenes shall be constructed, in accordance with C.FW Drawing Nunibers 3-22, 3 -23. Rockeries,,1 may not exceed six feet in height for cut sections or four ficet *Ili height for fill sections unless designed by �a geotechnical or structural e6igineer licensed in the state of Washington. Dr2m C,.NPtC$1* to, ,Proof of liability insuranc e shaltbe submitted to thecity, P,r,, *o,r, td"th,e �'P're ftstruetion Meeting. co 24 All pipe and appurtenances shall be laid on a properly prepared foundation 'Ili accorda,tice with WSDOT 7-02.3(, 1). "rhis shall include leveling and compacting the trench bottom, the top of foundation inaterl*al, and requilred pipe bedding, to a uni'forrt) grade so that the entire pipeis supported by aUni'forinly dense tiny'i*ekling base. 3. Steel pipe shall be galvanized and have Asphalt T'reatment,.* I in 4. All drainage structures, such as catch basins and manholes, not locat d-with' a�traveled.roadway ors*dewalkshall have solidlocking,lids, All -,drainage structures, assoc i'ated with, a permanent, r etention/detention f4ci lity shall have so] I'd lock mg I ids' 5.1 All''catch basin grates shall:c.onform to CFW Drawing Numbers 4-1, 2, 3, 4 or 5. ew I I 6. Alldriv ay culverts located wi hin the right of way shall be of sufficient length to provide a minimum 3, - 1, slope from the edge of the driveway to,the bottom of the ditch. Culverts shall have beveled end: sections, to match the si de slopes. 7. Rock for erosion protection of ditches, channels and swales, where requiredmust be of sound quarry rock,, placed to a depth of one foot and mustmeet the following specifications: 4-8" rock 40%-�.70% passing- 2" 4" rock 30%-40% passing,- and -2"' rock 10%-20% passing. Installation shall be .in accordance with KCRS Drawing Number 5 1, or as.,amended by the approved plans. Recycled asphalt or concrete rubble shall- not be used. & Lots not approved for in. filt '='Ion shall be: pr ovided with drainage outlets �(stub outs). Stub. -buts shall conform, to the following* A.Each, outlet shall be suitably located at the lowest elevation, on thojot, so. 0, to, service all future roof downspouts and footing drains,, driveways yard drailn;�, and any other surface or sub-sUrface drains necessary to render the lots suitable­Bor their intended -use. Each 1W outlet shall have free -flowing, positive arainage to an approved stormwater conveyance system or to an;approved out&II location. e surf Storm'. The stub -out shall-�,extend above Ace, level, be B. Outle ts on,e. 4ch. lo shat be� located w th a five-foot: high,, 2 x 4, take, m.ark d 4" ' le and be secure visib, d,tolhe stake C. Pipe material shall, conform to under'drain nontnet� e I in I described in, K CRS� 7.,04 and, 'if allic th Pipe shall conta* w*re orother acceptable detection. HOLIDAY INN EXPRESS 34839 PACIFIC HIGHWAY SOUTH FEDERAL WAY, WASHINGTON DETAILS �°.. 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"A (TEMP086W, NOTE* EXPAN $10N JOINT SAWCUT LINE FOR, -NEW:OR, KPLACEMCNT tPAW&S"IN, woe RICADE FORr DIMENSIONS NOT SHOW SEE TAOLE. ei -RIGHT —OF—WAY UNE �EXISTING URB/G T C UTTER :SEc NSi� '10 7 ;�77,-- 7 _U!"N 7�- T N0,,lES,: ­ I C M ClAL/INDUSTAtAL ORIVItVAYS :WIDfR THAN 40' -MAY OM, ER N,,OT,ES* WRIME Nom lypE �00R' OVED 6Yt `,t`H:E,­lN0IN' DERING TIRA IC E ER 'CONSI iiii 'FOR JOIN TS: AND'SCORING� 8EE FEDE,RAL �WAY STANDARD' F0R, ]DEWALK SPAC.-ING s EXPANSION J-004S AND NEEDS OF THE Ao�fvlw' SERVE04i ALL, AL ' DRIV -WAYS, SHA'L,, le HAVE CORE: MAP KS WIM OF� ML j 8*,MtN. 12 - -MA t 2le We INFORMAnONAL SIGN .00ve MATOH. , .,AN E LOCATED �:�WD_IOWWDTK �8Et KtRs SECA 104* F ell ml Me 21 UN. 4 �41N- STREET PLANNED FOR EXTENSION bRlVtWAY'GRA0t 27e, EE S SEC;I 3.2.13:'ANO CUR8. DETAIL DRA NO 3 4. 1 Xf 2,4, -C`ONCP�TE DRIVEWAYS RiEQU1,R A, MIN't."MUM DEPTH OF 6 WITH 2": CSTC0 IN, 31! MIN, S",'MIN, WITH PUTOOE DEVELPMENT- DEM 0 ul 0 w1l !A FOR MORE INFORMATION CALL CRUS40. Top touRSW �CEMENT CONtRM, IDRWEWAY �'611� *10 K "ACT I ­Tt DRIVEWAY 8HALL 8E­CON TRUP _E CgMENT, jQONC APPROA-,H ST 'C' t Wl'i IbRitt''El :CtA 4�­b -H'4%a.,T 0�%,A 00,, WIT T lki�:ENTRAI NWN .,,WHE,N- 'C,.HEC.KE:D WITH A 'FO.O-T STRAIGHTED Gto iGRADE,,5HALL �140T, DEVIATE m 0 'REi, THAN 1 8' ]MCH OR HZAVY ES, S151 po �Esswlku CITY OF FEDERAL WAY PU13UC WORKS DEPARTMENT AIN1`0 41,0XIMENT 'S,HALL NOT 1 /4 INC VARY M'ORE THAN Ho' 'PEK%NENT 253-835-2700. L, Dt FiL 70TH EXf� SRIOW, JOINT: lt DRIVEWAY :.WIDTH IS 15':::Ogl mt&me� ------- li� BASED bN TWE OF EXPECTM MICLE USE REV. DECEMBER,2008 i, R, �V* "i eI I iIo Not veeemevi to PUBLIC WOkKS DEPARTMENT COMMER'CIAL CURB GUTTER SECTION DRIVEWAY '�,DW, " 3�" 6A: N--Ov P,U:BLI,C WORKS S I DE WAL K DW �j PUBLIC WORK's BARRICADES eei 2 I ol 1111,211 1, lig, i gjqi�j v ign 1;� 11 1 1 Re V------ Y 0 K, R f% 1 i, w!'' Imommoei M TOT 1=:Kltm_� OKI CC nl K At OWN 00"000*0 3 0,30 ST RE DATE DESCRIP,TION DWN BY DE.S,'BY CHK BY APP, BY v ;sl . 0, L NA, DATE OF ISSU DWN BY jilRTl,__-_l BY 47 N,Ov,,,,,20 9 DES BY Pee App BY Ot DWG. 15 NO. -1 1 PERMIT [`\40. 08—'0'358—MF APPROVED —eeii DATE Jowt Aw% FEDEN"'AL DT2 12/"All/u�) Hul"'Llu"AY IINJI"N' EX"PRESti 111000% it 3483�1 tr_*eJ`Au"IFIuo'"*i mHu"HWAY Sue"U'"I"'m FEDER"AL W AAY. WAO'"' ' ' I kGT dv% a, I Ar Z) M 1\1 U N u 'ETAILS �1� III X 1 1:1 5:1131011 VISION 11 m a m w FRAMEmm AND ORATE iiiiiiiiiiii� Ai PERMIT 8 10135,00 MF. oil - -------- - C RICA SYMBO S 1�7 M77,�,"u-1-1-i _11�7_­, 114,1111111 I'll 77�777 w", SOME SYMBOLS MAY NOT APPEAR ON DRAWINGS DASHED SYMBOLS INDICATE EXISTING DEVICI BRANCH CIRCUIT IN WALL OR CEILING _HV _Hv _HV PW- PWR- TM - TM - DA -M -IM BRANCH CIRCUIT EXPOSED BRANCH CIRCUIT IN FLOOR OR EARTH BRANCH CIRCUIT EXISTING UNDERGROUND PRIMARY _HV _Hv _14v _Hv _HV POWER LINE PW- PW- PW- PW- PW- PW EMERGENCY CIRCUIT TELEPHONE LINE TM - TM - TM - TM - TM - TM WIREMOLD WN-WH_ DATA LINE -IM -M -IM -IM -1A DARKER LINES INDICATE NEW LIGHTER LINES INDICATE EXISTING HASH MARKS = # OF WIRES (NO HASH MARKS = 2 WIRES + 1 GRND) HASH MARKS = # OF WIRES W/ HARD WIRED GF LIGHTING FIXTURE -FLUORESCENT -RECESSED M 0 LIGHTING FIXTURE -FLUORESCENT -SURFACE MO 0 LIGHTING FIXTURE-FLUORESCENT-W/ EMERGENCY BATTERY INVERTER 0 LIGHTING FIXTURE -FLUORESCENT -ON 111,111,11, .. .... "I'll", EMERGENCY CIRCUIT ­,,('Nj 2f��j LIGHTING FIXTURE -EXISTING SHOWN DOTTED (TYPICAL TO REMOVE) 0 LIGHTING FIXTURE -EXISTING SHOWN LIGHT L (TYPICAL TO REMAIN) LIGHTING FIXTURE -WALL MOUNT LIGHTING FIXTURE -RECESSED LIGHT/FAN FIXTURE -RECESSED 0 LIGHTING FIXTURE -CEILING MOUNT 3K LIGHTING FIXTURE -CEILING MOUNT LIGHTING FIXTURE -WALL SCONCE LIGHTING FIXTURE -BRACKET MOUNT LIGHTING FIXTURE -EMERGENCY BATTERY PACK oo POLE MOUNTED LIGHTING FIXTURE AS TYPED REFER TO POLE BASE DETAIL 1PB* LIGHTING FIXTURE- SPECIAL REFER TO SPE LIGHTING FIXTURE -EXIT LIGHT LV TO.. KLAY OCCUPANCY SENSOR LV TO o OCCUPANCY SENSOR - 360* MAY (8) OCCUPANCY SENSOR RELAY (P DUPLEX CONVENIENCE OUTLET (DCO) S Q SAFETY _TYP[',',,' DCO DCO 120V W/ GROUND FAULI� PROTECTION DCO 120V W/ ARC FAULT PROTECTION QUADPLEX CONVENIENCE OUTLET (P DEDICATED DCO (HARD WIRE GROUND) 9 DEDICATED DCO (SPECIFIC EQUIPMENT) 9 OUTLET 208V - AS NOTED 9 JUNTION BOX 0 FLOOR MOUNTED OUTt_t`,,`1' -- AS NOTED @) CONNECTION 1*0 FQUIPMCNT /*,'MOTOR DRIVFN DFVICE DrVICr OVER COUNTER L161,1TIN(i SWI'I'CH - SINGLE POLE 1-161,1TING SWITC11 - SECTION AS NOTED LIGHTING SWIl"Cl"I - THREE WAY 'INA LIGHTING SW11"CH - FOUR WAY ID LIGHTING SWITCH - DIMMER LIGHTING SWITCH - KEYED LIGHTING SWITCH - PILO]" LIGHTED LIGHTING SWITCH - MOMENTARY CONTACT Q SWITCH - MOTOR RATED C SWITCH - WITH OCCUPANCY SENSOR 1000NDUIT FROM DEVICE BOX TO ACCESSIBLE CEILING SPACE OR AS NOTED, CONDUIT HOME RUN FROM DEVICE BOX TO PANE AS CIRCUITED. a ELECTRICAL PANEL W/NAME (TYPICAL TO NEW) I ELECTRICAL PANEL EXISTING W/NAME (TYPICAL TO REMOVE) ELECTRICAL PANEL EXISTING W/NAME TYPICAL TO REMAIN) FIRE ALARM SIGNAL LIGHT AND HORN (MINI HORN STROBE LOWER db) 0 0- 0 ... 13 0 El FIRE ALARM SIGNAL LIGHT AND HOR�__o n 0- 0 ... FP P ezzlo" sound bi (_ L Ll ND- FIRE ALARM PULL STATION FIRE ALARM HORN +7. + .7 1— 6.6 4.5 1., 8.2 +6.7 4, 6 . 3 + 7.9 FIRE ALARM SIGNAL LIGHT FIRE ALARM SIGNAL LIGHT AND HOR FIRE ALARM SMOKE DETECTOR 14- 4.1 .,.1- 3 4 +4.4 - 14.3 .7 .4 + 38 + 32 + 3 . 0 + 1.9 FIRE ALARM DUCT DETECTOR FIRE ALARM HEAT DETECTOR 0 )S A FIRE ALARM DETECTOR W/ A = AUX, CONTACT 1.7 2 2 2 5 2.9 +2.4 4- 2 . 0 + 2 . 2 2 . 2 + 2 . 0 + 1.6 + 1.0 OUND FIRE ALARM MAGNETIC DOOR HOLDER . . FIRE ALARM EQUIPMENT CONNECTION ]UNT 4SD FIRE SMOKE DAMPER d. 4- 4. 2 0 4- 2 4 + 2 4 + + 2 1 1.7 t5 1.5 + 1.5 + 1.0 +0.7 (E�o FIRE ALARM DETECTOR CARBON MONOXIDE 1.7 1.6 . . . . JNT 0AB FIRE ALARM DETECTOR W/ AB ALARM BASE /71 /1, ;" S1 +0.4 +2.3 2 + 3.2 ", 28 3.2 -'2 3 2 '2 11.6 09 0 6 KEY PAD OUTLET Cj- COMMUNICA71ONS OUTLET J VOLUME CONTROL OUTLET d' 4-- �_ + CLOCK 3.0 2.4 Z6 6�5 L 0.4 0.2 CLOCK -SPEAKER COMBINATION P (!b- CLASS BELL INED SPEAKER .6 3.5 2.3 43 4 . 7 4 . 7 1 B-20122 Mffa PUSH BUTTON / CALL BACK SWITCH/WITH SPEAKER PUSH BUTTON / CALL BACK SWITCH PB- 11? w PUSH BUTTON / START -STOP .8 61 13 2.8 2.6 2.9 28 1 2.3 2 81 D9 DATA OUTLET TD9 TELEPHONE/DATA OUTLET A I Ogr P 0? PRINTER OUTLET t8 1.4 13 TV9 TELEVISION OUTLET 0 8�6 4�O 2,8 2�3 Sq VIDEO JACK OUTLET AJP AUDIO JACK OUTLET 1.8 1.5 1.2 T TELEPHONE OUTLET 4 . 9 3 5 Z5 2 . 4 INTERCOM OUTLET DISCONNECT W/FUSES S DISCONNECT 3 3. 0 4- 33 4- 2.5 16 4.1 A-i PHOTO ELECTRIC CELL TC TIME CLOCK NL NIGHT LIGHT 11 9 5,8 319 3,2 !0 7.6 48 2.2 WP WEATHER PROOF PLI WG WIRE GUARD F. C, ELECTRICAL CONTRACTOR 3 7.8 ."4.6 3 . 4 4. 4- 1 + 40 2.4 BKR CIRCUIT BREAKER B PEC PHOTO ELECTRIC CELL NEC NATIONAL ELECTRICAL CODE PB-,­A 0[ 5,9 3,5 I 3A 5,,2 6�3 4.4 1 4�3 W/ W I TH . . . . ..... DCO DUPLEX CONVENIENCE OUTL"I A PL J CKT CIRCUIT 3.3 AFF ABOVE FINISH FLOOR 6 6.7 3,0 2,8 4,6 6�0 4 4 BFG BELOW FINISHED GRADE CIRCUIT BREAKER ENCLOSURE 0- st st = SHUNT 'TRIP K INSTALLED IN TOE KICK AREA FIXTURE Typr - LETTER UNDERLINED 0# NUMBERED HEX SYMBOLS, REFER_Lt__Q_ 0 MECHANICAL EQUIPMENT CONNECTION SCHEDULE LETTERED HEX SYMBOLS, REFER TO SHEET NOTES 0 0 (D �` �9 E i I <'%o�/'> # S OTHER SYMBOL zHAPEj REFER TO OTHER EQUIPMENT CONNECTION SCHEDULES AS NEEDED, NOTE-i DOTTED SYMBOLS REFER TO DEVICES TO BE REMOVED, DASHED OR DOTTED CONDUIT LINES ON DEMO SHEETS ARE TO BE VERIFIED BEFORE L REMOVAL, THESE ARE USUALLY INDICATIONS OF SURFACE OR UNDERGROUND RAN CONDUIT. Bill I mmam= 4- 3/40 GALV, ANCHOR BOLTS PER POLE GROUT MANUFACTURES SPEC. AND TEMPLATE GROUT .*f' 0 V CHAMFER 4- 3/40 GALV. ANC 0 BOLTS PER POLE 0 0 0 0 MANUFACTURES SPEI 0 0 00 0 0 C : I GRADE AND TEMPLATE GRADE 0 0 L 0 0 0 C) r 0 0 3 0 0 0 0 24'F DEEP MIN, 0 olzz�� 0 0 __X11 1 10 0 0 0 0 0 fz�) ..0 24" DEE DOUBLE NUT EACH 0 r_ - 0 j 0 `Z� DOUBLE NUT EACH 0 C - 0 ANCHOR BOLT (LEVEL PLATE) AND FILL 0 0 0 CONDUIT 0 ANCHOR BOLT (LEVEL PLATE) AND FILL 0 0 0 cot SPACE WITH GROUT C 0 lz::�� 0 0- 0 0 0 0 0 SPACE WITH GROUT 0 0. 0 0 0 0 UNDISTURBED 0 C_ 0 oo 0 0 'A #5 RE -BAR BASKET 0 UNDISTURBED 0(11 11 0 0 0 10 0 0 0 0 (j� #5 RE -BAR EARTH 0 BY ELECT. CONTR, EARTH L -1 - - 0 BY ELECT.1 U 12-v ON CENTER c,:�2 Izz) 0 0 0 IN ALL DIRECTIONS L %e_ 0 e-002 lz-*:� 0 001z-*.-.)0 120 ON CEN' IN ALL DIRI 2df 24! (ROUND) (ROUND) POLE BASE DETAIL rpB POLE BASE DETAIL rPB_� NOT TO SCALE B NOT TO SCALE I ,+- 1- 1- 1­ -t 1�7 1- 1.2 1 1 1.7 1 - 2 . 5 1 . ATHAY & A ;o^A . . . . . . . . . WL 2 CONSLLTNG ELECTFICAL ENGNEERS 1A a% 9013 HWAY 99 - StATE W V����� W& MIN (800)574-0190 (503)285-2450 fax (300)574-0909 "RIL 5, 20011 EXPIRES Ar "am r&tftV***ay6n11-*0M STATISTIC".�.*#S P� Avg Max Min Max/Min Avg/Min Description Symbol U P', 16.0:1 0.2 fc 43.0:1 . . . . . . ... . 1� Calc Zone #1 3.2 fc 8.6 fc + TO NEXT STREET J­ 10 15 LIGHT. VERIFY ON 1.9 1.� N UJI (0 `k, N Fun 0 W SITEO 0 + 4'. 00 W 00) 2 2 1.5 1 1 4 w .5 00 0 t1l"g," 16, 0 3-#8awg./ A''. A A 0 0 PB_ /+ + 0 0- -A' (0 0_____-0 0 LM .9 3.4 6' 2.3 1-Cf-I + _+2- 1.3 5 5.0 5 1.3 2.7 2.5 5.2 4.b 5.0 6 LO 0.9 /. 10 5.5 3 0 N L 1 4- PL 5.0 qt 4 -3 LO _j_ 4 Ar 5.8 7 3. .1 3 6 5A 6.8 3.0 7 5.7 + + +5.3 5.0 2 3 2.6 (D + 1.3 5 �2.1 9 LO 4 '�.8 + .9 -""3.5 '+2.4 + 2 j- 2 A 2.1 1.4 1.8 2.5 2.6 +2.8 4- 2 8 + 2 3 +2.4 +2.2 4 2 . 1 +2.5 5 /+ M El 00 4- 5.6 4.6 3.2 2.3/ + + + 4. 4.. d­ + + + 1.6 1.5 1.6 1.9 1.9 1.6 1.2 1.9 V2.3 2 0 1.7 0 9 1.1 1.7 Q) +2.9v� + + 4 3.9 4.3 3 1­ 4- + d- 1.6 + 1.6 1.6 1.1 0.7 4- + + 2 J 1.2 1.8 1.5 A A' 1.0 1.2 2 4', A A , 0, . -+. 0. , + + 3, .3 3.3 3.1 2.5 + 4- 2.0 + 1.6 + 1.6 + 1.7 1.0 06 4.1 1.1 �3.5 2.2 1.3 1.7 + 0.9 +6.7 5 . 8 + 2.5 1 1.9 1 .7 PB-B p I 1.8 21 4A .7 3.2 1.9 2.0 2.1 '2.0 1.7 1.8 '1.6 + A 5�2 3.1 2.1 2.0 31 7.2 T J U. W / 2 8) , 11 1 A PLI �1 y /A.8 +17 + 1_46 + 1.4 8.6 3. 0 2.2 2.3 3.2 .." � P1 - 4- P .2 2 .0 -1-1.9 (J.7 .2 PB- + 4- 1 3 2/8 2.5 2.2 1.8 .4 3.7 2.3 2 . 3 2.6 .0) '3.1 2.0 I B-28)30 _4_ 4- 1 /3.6 2.: 3 ))c. w 2 0 2 1 2.8 2,3 114 9 2- 10) A .0 4.4 3.5 8 Q) 2. 0 2.3 3.0 2.1 c) 1 1 Ogr 'IV0. P �j H / 1 P , : A/ 0. 4J V 4- + 3 3 8 2 E 1.8 2 . 1 +3-0 PWR- - A/ '3.3 + 25 d- 2.2 -1- 2.2 + 3 . 8 ------------ -­­­-`"+- 64_ 5.6 4.7 2.6 FNUVIUL 5 4 3 '3.8 "'2.9 )1C. 4.. ONELIN'E 0 +2.3 43 0 A A 2)4 1.8 0 A __"3 0 '2.4 A +3.2 LEPHONE DIAGRAM I /-% I PB U 2. 7.2 5. SERVICE + U) 'VERIf"I ON SITE o., -/2.2 2.3 2.0 -------- --- --- 0 0 > 4- -1 1.5 1.7 1.7 r-\/ 00".. L t VERIr T UN SITE, ALL SERVING UTILITYS LOCATIONS AND REQUIREMENTS W iNSTALL P`E�r_<` SER'V`1NG UTILITY SPECI�i /A 1., 0 TO NEXT STREET j LIGHT. VERIFY ON SITE. Z Uj 1 1/4 C. w/ Z z 3 -#Bawq. IR 0 M M LLJ z C� CS 0 < n 3: n C) > ASKET INTR. :-_R �.TIONS 1.2 1.0 LUMINAIRE SCHEDULE FOR STREET LIGHTING Symbol Label Qty Catalog Number Description GE Lighting # M-400 CUTOFF SL 2 M4AC40S****MC3* 40'POLE J_ 11.0 Q - I , ------- - I U ::w 13 6 2.9 1j.% 1 5.3 PLW L 1 0.8 + 0 . 5 4.1 0 . 7 1.5 d- 1.8 1.3 2 . 3.5 2.2 Pf �Ff? Tn Lamp File Lumens LLF Watts 1; 40OW HPS, CLEAR GE177323.IES 51000 1.00 468 ED18, HORZ STATISTICS d, 1'�'A /!,Iq zl,,�,, "Y'' Description Symbol Avg Max Min Max/Min Avg/Min Calc Zone #2 + 3.0 fc 5.8 fc 1.4 fc 4.1-1 2.11 Contractor to provide GE light fixtures to City of Federal Way standards and provide polebases to City of Federal Way standards. Verify locations of city owned transformer on site prior to bid. Proved all electrical needed to wire complete to city electrical system. 11&.1A LIGHOO ING PLAN POWER SITE SCALE: I"= 20'-0" 0 00 0 Z W - - -------------- ------ ---- - z 0 06 W z Uj W j W am CO) (L SHEET NO. r ., t., <a:.., ,t.ti.,.r:,:,a «, r. ,`rt,. ,,.Y ......r, .. uaa t F a CTRICA SYMBO '} S SOME SYMBOLS MAY NOT APPEAR ON DRAWINGS DASHED SYMBOLS INDICATE EXISTING . BRANCH CIRCUIT IN WALL OR CEILING BRANCH K,, EXPOSED ■ BRANCH M - ■ - EARTH -BRANCH w r CIRCUIT r UNDERGROUND ■1r1 POWEROw EMERGENCY CIRCUIT TELEPHONE � 9 R, DATA M,%. M - 1A 1 ., M w. 1.'f I.,c. -DA DARKER LINES INDICATE NEW 111LIGHTER LINES INDICATE EXISTING HASH MARKS = # OF WIRES (NO HASH MARKS = P WIRES + 1 GRND) HASH MARKS = # OF WIRES W/ HARD WIRED GROUND LIGHTING F I X„t URE ELUURESCI N]"—RECESSED MOUNT ° LIGHTING FIXTURE--FLUORESCENT—SURFACE MOUNT 0 LIGHTING FIXTURE-FLUORESCENT—W/ EMERGENCY BATTERY INVERTER LIGHTING FIXTURE -FLUORESCENT —ON EMERGENCY CIRCUIT LIGHTING FIXTURE -EXISTING SHOWN DOTTED (TYPICAL TO REMOVE) LIGHTING FIXTURE -EXISTING SHOWN LIGHT LINED (TYPICAL TO REMAIN) LIGHTING FIXTURE --WALL MOUNT LIGHTING FIXTURE —RECESSED LIGHT/FAN FIXTURE —RECESSED LIGHTING FIXTURE —CEILING MOUNT LIGHTING FIXTURE —CEILING MOUNT ( LIGHTING FIXTURE —WALL SCONCE LIGHTING FIXTURE --RACKET MOUNT LIGHTING FIXTURE —EMERGENCY BATTERY PACK ao POLE MOUNTED LIGHTING FIXTURE AS TYPED REFER TO POLE BASE, DETAIL . PB** LIGHTING FIXTURE SPECIAL REFER TO SPEC'S LIGHTING FIXTURE —EXIT LIGHT Tv OCCUPANCY SENSOR RE M Y o OCCUPANCY SENSOR — 360* RELA OCCUPANCY SENSOR RELAY DUPLEX CONVENIENCE OUTLET (DCO) S 1P SAFETY TYPE DCO DCO 120V W/ GROUND FAULT PROT EC*C I ON DCO I20V W/ ARC FAULT PROTECTION n QUADPLEX CONVENIENCE OUTLET DEDICATED DCO CHARD WIRE GROUND) DEDICATED DCO (SPECIFIC EQUIPMENT) OUTLET 208V — AS NOTED JUNTION BOX 0 FLOOR MOUNTED OUTLET -- AS NOTED CONNECTION TO EQUIPMENT MOTOR DRIVEN DEVICE DEVICE OVER COUNTER L I GHT I NG SW i nt d 'SINGLE POLE za LIGHTING SWITCH SFCT I ON AS NOTED LIGHTING SWITCH THREE WAY LIGHTING SWITCH -- FOUR WAY D LIGHTING SWITCH — DIMMER LIGHTING SWITCH -- KEYED LIGHTING SWITCH -- PILOT LIGHTED LIGHTING SWITCH — MOMENTARY CONTACT R SWITCH -- MOTOR RATED C SWITCH — WITH OCCUPANCY SENSOR --- I#CONDUIT FROM DEVICE BOX TO ACCESSIBLE CEILING SPACE OR AS NOTED, -'-- CONDUIT HOME RUN FROM DEVICE BOX TO PANEL AS CIRCUITED. 07.0 ELECTRICAL PANEL W/NAME (TYPICAL TO NEW) h `711 ELECTRICAL PANEL EXISTING W/NAME (TYPICAL TO REMOVE) "'? ELECTRICAL PANEL EXISTING W/NAME ( TYPICAL TO REMAIN) FIRE ALARM SIGNAL LIGHT AND HORN (MINI HORN STROBE LOWER db) FIRE ALARM SIGNAL LIGHT AND HORN o C t pezz i o', sound) d F FIRE ALARM PULL STATION IN}— FIRE ALARM HORN FIRE ALARM SIGNAL LIGHT FIRE ALARM SIGNAL LIGHT AND HOR FIRE ALARM SMOKE DETECTOR CD FIRE ALARM DUCT DETECTOR 4 FIRE ALARM HEAT DETECTOR F A FIRE ALARM DETECTOR W/ A = AUX,'CONTACT FIRE ALARM MAGNETIC DOOR HOLDER FIR.E. ALARM EQUIPMENT CONNECTION 4S'D FIRE SMOKE DAMPER `Eo FIRE ALARM DETECTOR CARBON MONOXIDE AB FIRE ALARM DETECTOR W/ AB W ALARM BASE KEY PAD OUTLET COMMUNICATIONS OUTLET VOLUME CONTROL OUTLET - CLOCK CLOCK -SPEAKER COMBINATION ❑ CLASS BELL SPEAKER PUSH BUTTON / CALL BACK SWITCH/WITH SPEAKER PUSH BUTTON / CALL BACK SWITCH PB_ Q PUSH BUTTON / START —STOP D 9 DATA OUTLET TD TELEPHONE/DATA (OUTLET P 9 PRINTER OUTLET TV9 TELEVISION OUTLET Sq VIDEO JACK OUTLET AJ9 AUDIO JACK OUTLET TELEPHONE OUTLET y INTERCOM OUTLET DISCONNECT W/FUSES DISCONNECT PHOTO ELECTRIC CELL TC TIME CLOCK NL N I GHT L I G,II WP WEATHER PROOF" � .a WG WIRE GUARD E.C. ELECTRICAL CONTRACTOR BR CIRCUIT BREAKER PE'C PHOTO ELECTRIC CELL NEC NATIONAL ELECTRICAL CODE PB—A W/ WITH DCO DUPLEX CONVENIENCE OUTLET CKT CIRCUIT 1I AFF ABOVE FINISH FLOOR BFG BELOW FINISHED GRADE St • CIRCUIT BREAKER ENCI OSURE ' ' st = SHUNT TRIP K INSTALLED IN TOF KICK AREA FIXTURE TYPE` .aa,„ LF i I FR UNDERLINED NED NUMBERED I„SIX SYMBOILSi REFER MECHANICAL CAL EQUIPMENT CONNECT I FIN SCHEDULIr ' E, w ,Eer t'_' E S M3 LSj REFER TO SHEET NOTES ( � # 7 # D `� [i] < > OTHER SYMBOL SHAPE i REFER TO OTHER EQUIPMENT CONNECTION SCHEDULES AS NEEDED, NOT s DOTTED SYMBOLS REFER TO DEVICES TO ,ICE REMOVED, DASHED OR DOTTED CONDUIT LINES ON DEMO SHEETS ARE TO BE VERIFIED BEFORE REMOVAL' THESE ARE USUALLY INDICATIONS OF SURFACE OR UNDERGROUND RAN CONDUIT, DOUBLE ANCHOR BOLT (LEVEL PLATE) A■ FILL 1 RCit WITH GROUT R, 4— 3/4' GALV. ANCHOR BOLTS PER POLE MANUFACTURES SPEC, AND TEMPLATE 4GALV. ANCHOR BOLTS PER POLE MANUFACTURES SPEC, AND TEMPLATE /—GRADE 24" DEEP MIN, DOUBLE NUT EACH ANCHOR O. BOLT CONDUIT PLATE) A AND FILL sCONDUIT rrMr�rrrrrirrwwrr�rMwrwMrrrr„ ' ! « MwMr � S r r 1 A .A 0 ► .- �► M1 i 1 0 I'l ]IMr«UNDISTURBED -BAR BASKET CONTR. CENTER12' ON CENTER I IN ALL DIRECTIONS ► i •IN ALL DIRECTIONS 0RON MMrf,IrA1r ♦* 'AAA■.,.wrrwwwrrrnrirlMlr MlMMIIIIr�MIM';41w1•1/'. # ,t, 01 .' + 111MM: 0 ;MMr 0 i • t..,� •■MIMAIMrM1rM��llrf�e,'.`. ,. ;., ,: A f LIGHT. VERIFY ON' SITE. 1 1/4 "C.w/ 3—#BOWQO O / O X LUMINAIRE SCHEDULE FOR STREET LIGHTING Symbol Label City Catalog (Number Description Lamp File Lumens LLF Watts fl CAE Lighting # M-400 CUTOFF 1; 40OW HE'S, CLEAR SL 2 M4AC40S" MC340M POLE ED18, HORZ GE177323.IES 51000 1.00 468 STATISTICS Description Symbol Avg Max Min Max/Min Avg/Min Calc Zone #2 — 3. Q f 5, 8 tc 1.4 �c 4 .11 2.11 Contractor to provide GE light fixtures to City of Federal Way standards and provide polebases to City of Federal Way standards. Verify locations of city owned transformer on site prior to bid. Proved all electrical needed to wire complete to city electrical system. 0 �I � SITE JfiLAN 'LIGM I nju I ?r ....,.._2 r 2 _ 1.9 1.5 -'_ r --1- + 1 r t r 4-3.3 i 4. r r r t. + 3.2 }- / 3.9 2. 3.1 2. e .5 *M 2.0 1. 7 M W (p Fo= o �O O 0) CO CF) � UN��O � LJJ � � � O M N N U > N LL tO � d' Q I*.- M LO , ,, A \Y 4 +1! t {' v ,nt i �, ✓�a" 4� t Jft ,. 4 �Frv4t si4 i f {1f 2, re;`f£�a1fB'i a t t �: ) 1a ep y t i, Lr z t.a 4 f.y.dh4f B„a�i<eS..c ,Ht'x,�J �RaN�$l,, �� ueeA, sit•,{. },�t £; ,, x'x r.ft'tiai ,\,�1. t t t 4°R` s3' rtP.yfa 1 r .N} t� Y r. 4. 4 o fY SHEET N0. t Ott, t' J S TAX PARCEL NO. 2021049104 72 PVC 0 —1E 2 2 5. 4 +O-C 5 . . ......... 0 ...... W Q r A N 0 20 40 SCALE IN FEET 0) FT, C\ S TIN C) 2/,5 WA 7 CR 1 4 U 24 A CASEA4roft. F- #900,80,tIv-r-� z W co TAX PARCEL NO. 2021049042 z L6 4-�90 Lj W "cc -------- TAX PARCEL NO. 2021049045 E-A1Q1 1-1)3 IV]f W 1 —2 7- M'� 40.5± ""Waft < '231.1 0± 0: t 1, N I � " ,4 "Nof'm M, SE BOLT ON POLE Water Plan Sewer Plan ELEVATION 1260.90 Dated APPROVED FOR CONSTRUCTION SUBJECT TO CHANGESNOTED f I The District's review is not a check of any dimension or quantities and will not relieve the Developer from responsibility for errors of any sort. No changes shall be made in the plans except by the consent of the District. .-WA-TE, W T Uj -E-A--SEM $fw SE E)(/ST/Nc ""Aft" 132 0 00 6*07 00 FZ N8 No, CA Sow i E N CN H -011PROPERTY LINE O+_0 01 8508200 r Y/C 12 6 6'007$32"W (9) A\1 5 ni K lie, 4 z N 00 co 07P321V 12 N 8 WA z N86*07)32$)W 0 8 P 6 C\j TAINING,� UN I E -3506 SD 4 ...... ..... OMESTIC R (p RIV TE QD V- ED— Mt7ER DO STIC CD MET R loft /R ow 04 FFE�254.0 (PRIVA E) W SA 10 z 4jj IN) U., 4 ISTU`RY MOTEL BUILLD"%ING IVA It) 4 14 z C6 C) Z\ ct Co �T 101 S 4, -,n WON"" . ...... ... . . ... . .... . ..... .. . ........... . 2 5 2 6 . ..... ...... .. .. 2 264 U _J4, 16 ..... ..... .. . ..... Mom - ' - - - — - ' -- — - - - - - - - ' - - - - - — - - ' - — - -- ' - — — - - , -- - - , - - -- - - , , —, -- - - - -- - , - — , , , --- , - - - - -- - , — , - - -- -- BASED UPON FINISHED GROUND ELEVATIONS THAT VARY BETWEEN 250' AND 258's THE ESTIMATED WATER PRESSURES \�v %j 1 1-1 4. 1, %.#,"r * 40 t. 1# 1 %*$* 1 11 1 %J I V% &"" W --r I'l &W 1 1 L.4 I 1 11 Nw�kj I "11. %W \.# 1,% low& QWN.ER VON" 1-j t=LQ""ER ARE ANTICIPATED TO RANGE BETWEEN 111 PSI AND 124 PSI* 000",%� U3 STA 0+60.7 LT. 28.3' INSTALL 8" 22-1/20 BEND (MJxMJ) AND THRUST BLOCK FIFE MOTEL, INC., KPR HOSPITALITY 4. PIPE COVER TO BE MINIMUM 3' ABOVE TOP OF PIPE OR 12 ABOVE TOP OF OPERATING NUT. U4 TRENCH AND PAVEMENT REPAIR PER LAKEHAVEN UTILITY DISTRICT FARUQ RAMZANALLI, 2200 6TH AVE, SUITE 520 5. ALL WATER METERS TO BE INSTALLED BY LAKEHAVEN FOLLOWING COMPLETION OF NEW MAIN CONSTRUCTION, UNDER SEPARATE STANDARD PLAN A-5 AND B-18D SPIREX, INC., AND ALFRED KIM SEATTLE, WA 98121 (206) 931-1573 APPLICATIONS. ANY WATER SERVICE CONNECTIONS PROPOSED FROM EXISTING WATER MAIN SHALL BE ENTIRELY INSTALLED BY SUBMIT APPLICATIONS THESE "FULL" 15 EXISTING 5/8" METER TO BE ABANDONED BY CONTRACTOR LAKEHAVEN. DEVELOPER SHOULD FOR SERVICE INSTALLATION TO LAKEHAVEN AT THE COMMENCEMENT OF CONSTRUCTION. ONLY IRRIGATION SERVICE CONNECTION IS TO BE ENTIRELY INSTALLED BY LAKEHAVEN, UNDER LAKEHAVEN SUPERVISION 6. FIRE PROTECTION PROVIDED BY SKF&R STAN"Q&ARD, NO"flit""ti THIS PROJECT SHALL BE CONSTRUCTED IN ACCORDANCE WITH LAKEHAVEN UTILITY DISTRICT "WATER SYSTEM AND SEWER SYSTEM STANDARDS" APPROVED BY THE WASHINGTON STATE REV DATE -j - --- ------- DESCRIPTION DWN BYJ DES BY I Ck BY APP BY DEPARTMENT OF HEALTH ON JUNE 8s 1994 AND ANY ADDENDA THERETO TRI DATE OF ISSUE DWN BY CHK BY, S, 20g DES BY APP BY ........ . .... ... ....... ....... 1=1 IN J= t Al Z�i I 111 U 10 TTAItR MAIR DEPTH NOT FIELD VERIFIED soft Aoal W AM& low& & 11 i-i AC FIC HIGHWAY Ru IyH1 All 3 � E'0`T I U N Ww�/ =111" " General Manager/District Engineer Date This construction plan will expire one year from plan approval date, if construction has not commenced. LM N 6� V",�) 0) CB RIM==257.6 C)" Qz: L 1010 ^ ;:.�,END 1:1 EXISTING CATCH BASIN 0 PROPOSED CATCH BASIN U EXISTING SANITARY MANHOLE CO 0 PROPOSED CLEAN OUT ORD PROPOSED ROOF DRAIN U&'o % PROPOSED SPOT ELEVATION DRAINAGE FLOW DIRECTION log"" PROPERTY LINE EXISTING STORM SEWER "aw"" ""W~ 40"Wa# 400"o I i vow"M 0""M a""*" PROPOSED STORM SEWER SA.N EXISTING SANITARY SEWER SAN PROPOSED SANITARY SEWER W EXISTING WATER LINE W PROPOSED WATER LINE EXISTING CURB PROPOSED CURB -- EXISTING CONTOUR 250--- - ------------------- PROPOSED CONTOUR DRG FILE-00~FEDERAL WATER 10/18/09 HOLIDAY INN EXPRESS 34839 PACIFIC HIGHWAY SOUTH FEDERAL WAY, WASHINGTON LAKEHAVEN PROJECT NO. 6309005 A K I WATER SERVIC"'E PLAN DRAWING NO$ PROJECT NO* I & CAP BE GOOD �I CD�r o 00 O 1 B99 P VC E =:932V 71" L, '=am am== ma=m Wmxm ftkoftft owaft moraft qftfto mmft , am. mv ow 4=- 02mmummotmmav Imp low Aw 0 tia LEGAL DESCRIPTION THAT PORTION OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SECTION 20, TOWNSHIP 21 NORTH, RANGE 4 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGTON, DESCRIBED AS J FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SAID SECTION z 20; THENCE NORTH 00'21'53" EAST ALONG THE WEST LINE OF SAID SUBDIVISION 326.50 FEET TO THE TRUE POINT OF BEGINNING- THENCE SOUTH 87'26'19° EAST 704.31 FEET TO THE WESTERLY MARGIN OF PACIFIC HIGHWAY SOUTH; THENCE SOUTH 21"50'33" WEST ALONG SAID WESTERLY MARGIN 204.82 FEET; THENCE NORTH 86°07'16" WEST 629.93 FEET TO THE WEST LINE OF SAID SUBDIVISION; THENCE NORTH 00'21'S3" EAST ALONG SAID WEST LINE 179.10 FEET TO THE TRUE POINT OF BEGINNING. CODES,: I.B.C. 2006 EDITION WITH WAC ADMENDMENTS BUILDING ZONE CBD-4 OCCUPANCY R1 CONSTRUCTION: V—A 90 UNIT HOTEL — 4 STORY BUILDING SPRINKLED, NFPA 13 NOTES:rvvvv V v v v v� PATIO FURNITURE TO BE DETERMINED BY OWNER AND/OR INTERIOR DESIGNER, CONSTRUCTION MUST BE OF AN APPROVED MATERIAL BY FRANCHISE. TABLES AND �iFIAIRS TO BE SHATTER RESISTANT. SITE AREA TOTAL HOTEL COVERAGE ASPHALT PAVING WALKS LANDSCAPE/OPEN AREA PARKING REQUIRED PARKING PROVIDED W", I 124,104 SQ. FT. 19,272 SQ, FT. — 53,621 SQ. FT. — 1,864 SQ. FT. 49,347 SQ. FT (1 PER UNIT) STANDARD — H.C. TOTAL 2' o4 ` 15.5% 43.2% 1.5% 39.8% al 87 SPACES 4 SPACES 91 SPACES I . . . . . . . . . e. C7 AA NN11"111, MAU I II 72" PVC OWN" E_='225�,._4­_ '7 MON" "WOW* ;D ID 1Vf FT R1'M==240.5± > 2 3 1.10 IN TALL .4y SEDIME ID, V) LU 0 8 PVC 6 P, C I E 2 3 4.7d 2 25.2 Ill 44i __1 P \/"C '2'3�5.6 d 6"�' ' P� I E IE== IN �S_ IALL TEMPORAR SEDIMENT PONID P A IN" ALL x6 /'RI "P /DI IP T A T P'le E END INSTALL SEDIMENT- -7 ell ENCE -7, 7, 7 _ffSTAtL-7--,- E� -TEMn ARY HID P E STORM DRAIN TO MA . .......... STORM TREATMENT MANHOLE AND OUT LL PIPE TO BE INSTALLED WITH EROSION CON ROL ..... ...... .. .... ... ...... -0 1 ------ ___77--- q T FEN CE ------ *"mom* 13 RD R D 01"D "(0 ONI., > -J INSTA L GRAVEL 40 H C NSTRUCTION TRANCE 2 -K7 ..... ... R D R D R R R D M 00 co R D/, FFE-254.0 R Di R R D R D INSTAL JEMPORA Y SE, E T TRAP RD 10 1A (�EE DE 1, S ET RD L RD _J\ MH_ L SEDIME FFRJ . . ... AF, OUTLET MH DETAIL 3, SHEET 4) TRUCTUR MH ............. **MOW* "WON*" wsw-^� ft-lo .......... REQUIRED POND SURFACE AREA�653 SF PROVIDED POND SURFACE AREA-660 SF 0 20 40 SCALE IN FEET Erosion /Sedim en tation Control Notes: * 0 0 0 � 0 0 0 to 0 40 0 0 0 0 0 0 0 0 *so 0 0 0 0 0 0 0 0 0 0 000 0 0 0 0 0 0 0 1W 0 0 0 4 0 0 0 0 00 0 41 0 4 0 0 4 0 0 41 0 0 0 1W 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 41 0 0 0 0 0 0 0 4 0 S 11,1110 MqFqP 0111'I 41 0 LillizE41112- 11 WAOL"I 0 0 1 8. Any area needing ESC measures, not requiring 4 immediate attention, shall be addressed wit in 15 days. 9. The ESC facilities on inactive sites shall be inspected and maintained a minimum of once month or within the 48 hours following a storm event. 10. At no time shall more than one foot of sediment be allowed to accumulate within a catch� basin. All catch basins and 4 conveyance lines shall be cleaned prior to paving. The cleaning operation shall not flush sedimerit-laden water into the downstream s stem. y 11. Stabilized construction entrances and wash pods shall be installed at the beginning of construction and maintained for the duration of the project. Additional measures may be required to insure that aii paved areas� are kept clean for the duration of the project. 12. During the time period of October 1 through April 30, all project disturbed areas greater than 5,000 square feet, that are left unworked for more then 12 hours, shall be covered by one of the following cover measures: mulch, sod, or plastic covering. 13. Any permanent retention/detention facility used as a temporary settling basin shall be modified with the necessary erosion control measures and shall provide adequate storage capacity. If the permanent facility is to function ultimately as an infiltration or dispersion system, the facility shall not be used as a temporary settling basin.� No underground detention tanks or vaults shall be used as a temporary settling basin. 14. Where seeding for temporary erosion control is required, fast germinating grasses shall be applied at an appropriate rate (i.e., annual or perennial rye applied at approximately 80 pounds per acre). 15. Where straw mulch for temporary erosion control 'is required, it shall be applied at a minimum thickness of two inches. 16. Management practices providing significant tree protection shall be proviaea per Section 22-1568 (c) (6) (a-g) of FWCC* 011111111m, 111,112m I I I I 1 1111 JSPENSION CORDS/RODS W 'R SAC K INSERT SACK FRONT VIEW A A 101 1 10"r"I # A JVA 00% 1 1 A r"I r� A Zf r- rl J­^ J*^ I J JAJ 2 6A 50 " MIN, (20 ** FOR I & 2 FA MIL Y HOMES) 00DRAINAGE RA MP - icUL L WID rH OF EVrR?" 7/1 AIIA JJAII JAJ thlin rLJ �tor I I" REBAR FOR S TD. CURB 3AG REMOVAL GRAVEL CONSTRUCTION ENTRANCE . ....... . ...... I "rf""M f"A MrIl^ i I A�rr�Ml A I r i 14 rE41 CO (0 C� Q ANGLE ENDS OF FILTER FABRIC FENCE TO ASSURE SOIL/SEDIMENT IS TRAPPED PLACE CATCH BASIN SILT SACK SIDE VIEW FLOW DIRECTION ARROW (TYP) C F 66AVEL CONSTRUCtION ENTRANCE 12 14"" TYPICAL) GAP FOR DRAINAGE" (MIN, 8 STANDARD CURB X.. x /4" RUBBER BLOCKS WOODEN RA IVP 12---., EXPANSION RESTRAINT (42 ';k0'4'0* 2 '*;k8 2'#;ko'12 10 WRAP POSTS -WINGS TO LO&UTElYTILE" FABRIC BREAK UP FILTER SACK PA VED STRE�7 10 LENGTH OF .4 4 71 Cl noco 71 INSERT SACK 0 NOTES RECESSED CURB INLET MUST BE BLOCKED WHEN USING RILTER FABRIC INLET SACKS, SIZE OF FILTER FABRIC INLET SACK TO BE DETERMINED BY MANUFACTURER. LION L FILTER F/-"\BRIC L U IN A 3 080 REV DATE DESCRIPTION WIN BY DES BY CHK BY APP BY PIST'o 01 1 1 1 '1 111 11 � L I DATE OF ISSUE DWN BY TRT CHK BY MAY 2009 DES BY TRT APP BY TRT ENU"INEEK'"'INU, INUM 2636 S.E. ITTIARKET STREET PORTLAND, OREGON 9721,� PHONE (503) 235-7592 FAX (503) 235-7593 FEDERAL EROSION 8/6/09 INLET PI (SEE NOTES 5 * jyj fAl � 0j Vj'T4 IS iiii7 lj�[*j ML 30" 0 FRAME AND COVER (STD) (SEE NOTE 4) STEP (TYP) INLET PIPE (SEE NOTES 5 * G) -\ HDPE OUTLET R15ER WITH SCUM 5Af FLE I 1 11 1 p1l I I lj11, SIMMONS UE EAL NOTE5 I) STORM f I LTER BY STORMWATE r-NI R360 (53GO), PORTLAND, OREGON 800-548-4GG7. 2) FILTER CARTRIDGE(5) TO BE SIPHON —ACTUATED AND SELF—CLEANING. 5TANDAF,,,D,Dff,,TA,(L- .,JAXIMUM NUMBEP\ Of= CAKT'i:,iDGE5, ACTU'AL NUMBER REQUIRED TO BE SPECIFIED ON 51TE PLANS OR IN DATA TABLE BELL, W. 3) PRECAST MANHOLE STRUCTURE TO BE CONSTRUCTED IN ACCORDANCE WITH ASTM C478. DETAIL REFLECTS DESIGN INTENT ONLY. ACTUAL DIMENSIONS AND CONFIGURATION Of STRUCTURE WILL BE SHOWN ON PRODUCTION SHOP DRAWING. 4) STRUCTURE AND ACCESS COVERS TO MEET AASHTO H-20 LOAD RATING. 5) STORMfILTER REQUIRES 2.3 FEET OF DROP FROM INLET TO OUTLET. If LESS DROP 15 AVAILA5LE, CONTACT 53GO, MINIMUM ANGLE BETWEEN INLET AND OUTLET 15 45 a. G) INLET PIPING TO BE SPECIFIED BY ENGINEER AND PROVIDED BY CONTRACTOR. PRECAST MANHOLE STORM ffILTER EQUIPPED WITH A DUAL DIAMETER HDPE OUTLET STUB AND SAND COLLAR. EIGHT INCH DIAMETER OUTLET SECTION MAY BE SEPARATED FROM OUTLET STUB AT MOLDED —IN CUT LINE TO ACCOMMODATE A 12 INCH OUTLET PIPE, CONNECTION TO DOWNSTREAM PIPING TO BE MADE U51NG A FLEXIBLE COUPLING OR ECCENTRIC REDUCER, AS REQUIRED. COUPLING BY ffERNCOOR EQUAL AND PROVIDED BY CONTRACTOR. 7) PROVIDE MINIMUM CLEARANCE FOR MAINTENANCE ACCESS, If A SHALLOWER SYSTEM 15 REQUIRED, CONTACT 53GO FOR OTHER OPTIONS. 5) ANTI —FLOTATION BALLAST TO BE SPECIFIED BY ENGINEER AND PROVIDED BY CONTRACTOR, If REQUIRED. BALLAST TO BE SET AROUND THE Pff P\lMffTEP\ Off THE STRUCTURE. 3) ALL 5TORMFILTERS REQUIRE REGULAR MAINTENANCE, REFER TO OPERATION AND MAINTENANCE GUIDELINES FOR MORE INFORMATION. ----------- 4 30110 FRAME JA 4 AND COVER (STD) '4 41 A 14 4 -4 44 q 4. 44 4 v 4, 4 "?4 A 4 d 4% 4' 4 it 4 f . ' 4 4 A MANHT I LT' - TOP VIEW BALLAST (SEE NOTE (5) bww Now "WWI wo"M WIDTH SEE DETAIL 212 WWI K TUB N CUT LINE ET STUB PRECA5T MANHOLE 5TO RM f I LTER DATA WATER QUALITY f LOW RATE (cf5) 6" PEAK f LOW RATE (< I .5--cf5) I'RETURN Pff RIOD Of PEAK FLOW # OF CARTRIDGES REQUIRED ,CARTRIDGE f LOW RATE 0 5 �or 7.514FM) _Q ,MEDIA TYPE (CSfs PERLITE, ZP(*""V\) 7 RIM ELEVATION =1115"Ke- mlivir"'W'I'l OUTLET STUB ECCENTRIC REDUCER' (BY CONTRACTOR) ANTI-ff LOTATION BALLAST NOTES/SPECIAL REQUIREMENTS: PIPE ORIENTATION KEY: ) 0 0 1 0 50 0 2,700 UNDERDRAIN STORMfILTER CARTRIDGE OUTLET PIPE (BY CONTRACTOR) MANIFOLD (TYP) (SEE NOTE 2) COUPLING (BY MANHOLE STORMFILTER - SECTION VIEW /r-`A(SEE NOTE GCONTRACTOR)) BALLAST GROUT (SEE NOTE (5) i'f� Y"� F� YM (BY CONTRACTOR) �'I'C'1 rl'Y1\/1/a I I""� ` —�vv, A CONTECH Company I lVl/-\lN4rlULt%`*j I UKMt-IL Ft=K - vUTLET DETAII PRECAST 72" MANHOLE STORMILTER TME STORMWATff R, MANAGE ME NT 5tormf ilter@ U.S. PATENT No. 5,322,G2e, No. 5,707,527, No. G,027,G3e No, G,G49,048, No. 5,G24,57G, AND OTtIERFOREIGN PATff NTS PFNDI NG STORM WATER TREATMENT SSEM LY' N OE U NTS 6 X x 1' MIN. DEPTH OVERFLOW SPILLWAY ;e- / �" 'i ?,'`'0. ar»✓""' V_ f 0-, 1' DEP TH MIN* 7 x 2 ­411 ROCK A, NATIVE SOIL OR ,�^LCOMPACTED BACKFILL MIN. 11 H 3/4sl-1.5" DEPT X" xi WASHED GRAVEL GEOTEXTILE TRAP OI TLE` 1 Doi 1' MINIMUM OVERFLOW X I 'Ile K 41 17 tV1 3� U.; }^ LO Z GEOTEXTILE NOTE: TRAP MAY BEFORMED COY BERM OR BY PARTIAL OR COMPLETE EXCAVATION 4.0 CROP,, -SETI N SEDIMENTTA P -Aft All. UP"' ETA I L­ NTS HIGH FLOW BYPASS ELEV*M.."248.50 IE-W~245.60 ELBOW WITH 0.5" ORIFICE SEE DETAIL THIS SHEET All sk A* a ORIFICE PLATE WITH 1.7lt ORIFICE 211-41' ROCK 3/4"-1.5" WASHED GRAVEL A-11-1111 WGIMIXT 1:9 all DATE OF ISSUE DWN BY TRT CHK BY DEC1.1102007 DES By TRT APP BY MANHOLE RING AND COVER NTH LOCKING BOLTS, MARKED "DRAIN" 9 1 k I 11-1*011-9-07 1 # LEVEL LINE FLOW CONTROL MANHOLE DETAIL NTS N E E TRT ENG K I N'O"". I N u K'636 S.E. MARKET STREET PORTLAND, OREGON 972U PHONE (503) 235-7592 FAX (503) 235-7503 REMOVABLE WATERTIGHT COUPLING PLATE WITH ORIFICE ELBOW DETAIL LIFT HANDLE ADJUSTABLE LOCK HOOK WITH LOCK SCREW 1" DIAM. ROD OR TUBING 1/2" HOLES ON 10 3 BOLT ClW6LE IN 1 SIDE SHEAR GATE DETAILS 1�, ATTACHMENT FEDERAL DT1 5/19/01 HOLIDAY INN EXPRESS 34839 PACIFIC HIGHWAY SOUTH FEDERAL WAY, WASHINGTON DRAWING NO. PROJECT NO, W.M. '01"i XQ` 1 11 — 20'_0" 0 CODE5* 1.15.C. 20OG EDITION WITH WAC ADMENDMENT5 i I ONE BP? OCCUPANCY R I CON5TRUCTION: V—A 90 UNIT HOTEL — 4 5TOKY 15UILDING 5PRINKLED, NfPA 13 51 I C AKCA TOTAL110TEL COVERAGE ASPHALT PAVING WALKS LANDSCAPE/OPEN AREA PARKING REQUIRED PARKING PROVIDED - - - - - - ........ 19,272 SQ. FT. 53,621 5Q. FT. 1� I 1864 SQ. Fi. Men" 49,347 SQ. IT (I PER UNIT) STANDARD 11.C. I 15.5% 43.2% I .5% 39.8% 90 88 SPP,CES 4 SPACES .._....... TOTAL 92 SPACES I "ViVAY 4 I co 0 0 0 0 LIJ m o < 0 C) moo v", s W 1/4, SE 1/4, SEC. 2(�, T. 21 N., R. 4 E., W.M. DRIVEWAY FOUND REBAR & CAP 10708 TO BE !!(8-26-2007) -4 0 S B A I B 14 �Nlq RD �c ,q sSO Cc,, N C URE I G PLANNING PLATTING CONDOMINIUMIZATION 717 WEST STTWR PUYAl-LUP, WA 98371 (253) 84-5170 APPROX. LOCATION PER BASIS OF BEARINGS AND BOUNDARY RECORD OF SURVEY RECORDED UNDER RECORDING NUMBER 8802199003, RECORDS OF KING COUNTY, WASHINGTON. VERTICAL DATUM KCAS DERIVED FROM KING COUNTY SURVEY MONUMENTS GM71 LOCATED AT THE INTERSECTION OF 16TH AVE S. AND SR 16 TLTV== 2.1' SITE BENCHMARK SE BOLT ON LIGHT POLE NE COR OF SITE ELEV=260.90' DALE E. OAKS P.L.S. 1905 LEGAL DESCRIPTION THAT PORTION OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SECTION 20, TOWNSHIP 21 NORTH, RANGE 4 EAST, WILLAMETTE MERIDIAN, IN DING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SAID SECTION 20; THENCE NORTH 00°21'53" EAST ALONG THE WEST LINE OF SAID SUBDIVISION 326.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 87°26'19" EAST 704.31 FEET TO THE WESTERLY MARGIN OF PACIFIC HIGHWAY SOUTH- THENCE SOUTH 21 °50' 33" WEST ALONG SAID WESTERLY MARGIN 2'04.82 FEET; THENCE NORTH 86007'16" WEST 62.93 FEET TO THE WEST LINE OF ALONG SAID WEST LINE 179.10 FEET TO THE. DATE Project Name . err B RI 254.37' DRIVEWAY --,. TOPOGRAPHIC SURVEY B RIM=260,65 -� MONUMENT FOUND AS NOTED • REBAR &CAP LS 19635 SET O SURVEY PIN FOUND AS NOTED -0- CHAINLINK OR WIRE FENCE �-- WOOD FENCE CATCH BASIN ►� WATER VALVE � POWER POLE � FIRE HYDRANT ■ SET HUB ON LINE WETLAND FLAGS LOCATED ON JUNE 16, 2006 a POWER METER SANITARY SEWER CLEANOUT SIGN � MAILBOX 1B WATER METER • GAS VALVE SURVEY NOTES: 1. SURVEY PERFORMED BY FIELD TRAVERSE AND ELECTRONIC DATA COLLECTION USING TOPCON GTS 211 D TOTAL STATION AND CARLSON DATA COLLECTION. . CLOSURES EXCEEDED THE MINIMUM REQUIREMENTS AS ESTABLISHED BY WAC 332---130- 090. 3. THIS SURVEY DOES NOT PURPORT TO SHOW ALL EASEMENTS OF RECORD OR OTHERWISE. . PROPERTY CORNERS SET, EXCEPT AS NOTED, REPRESENT DEED LOCATIONS. OWNERSHIP LINTS MAY BE DIFFERENT. OBVIOUS ENCROACHMENTS, IF ANY, ARE SHOWN. HOWEVER, NO GUARANTEE OF OWNERSHIP IS EXPRESSED OR IMPLIED Project Location Client SW 1/4, SE 1/4, DALE SWEENEY SEC. 20, T. 21 N., 5715 143RD PL. SE R. 4 E., W.M. BELLEWE, WA 98006 DRAWN T.A.H. CHECKED D.O. DATE --4--07 APPROVED D.O. SCALE 1 #$=30' JOB NAME SWEENEY TOPO JOB I wt ?u", ,M1 7 1,J2 DWG NAME 071 1;2TOPO .rr,, m7z. � " 77771 JAN SHEET Ln 17 f51 lu 5 0 90.96 ZI 0 0380 00 176110 tQ 0040 70 37.58 x�4 0390 v 72 S F N 89-49-59 7200 'j, C\1 38 F,j 761io 42 L0 t3: 176110 1 11-0 39 C3 17 6110 40 0") 41 001 S.W. 351 ST ST. CO ItV 0400 r.4 0410 0420 1�zv r") r__1 CD 44.5 Rzz 9 2 3 2 AC, 257.58 3 5 0 ft. -735( T1 N 89-50 F, 502945 83 8 2 4 if 7 3 0 4 0 1 3 0 0830 CD V-1 �4 2 9. Oe 89-45- 8 w 42.5827 .5 502945 502945 65 76 aw do f$nww ow JAN WIMM on Mt*Awow am 502945 79, 04 (PI 1 3 0 5 0 1 N 89-45-37 Iq I MONO wo an 0850 no we wwom An An goop"aw moo Mom" ow "Noxono on AV000100 In OWN WON 09 04001k, I 0860 lw#4wwwmx4 P-4 502945 0870 222.2 Ln 0 2 9 0 02 5 0 . 02 6 90 N, 0880 0. CD -4 84 CD Ulki N 89 C:) C:) 85 u 351800 0`� C�D r_� 87 C:) a , 57U-7- 305"'U C� -q- gggx, 89 r iq§ 21 502945 C) 88 c:-> I 0210 CD 0890 S EIP C) I I m 7234 V-� C:> C.) 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V4 M _,0 2 /AINLINM'—TY%,t :J I o:vI 3z -3/4 3z, `4 :44 11/2 �k- 3/4 X `/4 11/411 1/4 -04 Ir 3/4 3/4 IC�?"UNT`D CO'NTR"'LLER ON INSTALL OUTDOO.,R­�­M" OR """''ALL SUPPLY WALL. GENERAL CONTRACTC.-Ol *DH POWER TO'....'CONTROLLER AND A CONDIUT TO THE NEAREST )�ANDSCAPE 5ED. FIELD VERIF" CT L CT I CAN Cool C"" 11W 11TH PROJECT ARCHITECT. OA 11/4 11 a m it ........... ....... . .... ... .zo ....... ....... T" .......... ..... PRV SET OUTPUT PRE55URE 10 1� P" 1, 0R AS NEEDED. 5ALL VALVE C).C:.V.A,. (!5FF_ DRAWING FOR LOCATION AND 51ZE) QUICK COUPLER 5HEET NOT`5 1 SEE DETAILS AND SPECIFICATIONS FOR ADDITIONAL INFORMATION. 2. PLAN IS DIAGRAMMATIC. ALL PIPING, LATERALS, AND WIRE TO BE LOCATED IN BED OR LAWN AREAS WHERE APPROPRIATE. 3. MAINLINE AND LATERIALS SHOWN IN PAVING AREAS IS FOR CLARIFICATION ONLY. ALL PIPE AND EQUIPMENT SHALL BE INSTALLED IN LAWN AND PLANT BEDS OR THROUGH SLEEVING. 3. PIPE SIZES ARE TO REMAIN CONSTANT BETWEEN PIPE SIZE CALL —OUTS. 4. ALL IRRIGATION HEADS LOCATED IN LAWN AREAS SHALL BE 4" POP —UPS AND HEADS IN SHRUB AREAS SHALL BE 12" Pop —UPS. 5. LOCATE ALL MAINLINES WITHIN THE PROJECT LIMITS. S. ALL WORK SHALL BE PERFORMED TO THE SATISFACTION OF THE LANDSCAPE ARCHITECT/OWNER. STATE OF WASHINGTON REGISTERED LANDS9-AP ARCHITECT 0"E' B. GLANDER C&firlcote No. 405 +Nr s'w tit 0 0 c) • 0 m 41 Z F-4A 1�4 r r-1 0.4 0 cc bpi%10 Q m pt� F 4) CD NORTH 0 r- 6m4 n A _4,N CQ co -mum sh eet 0 20' 40 S C A L E® 1 20% —0 o f 3 b 6 i4 'A �i' 3 \<K�o 91 LEGAL DESCRIPTION TyAT PORTION OF THE NORTHEAST QUARTER Of TL-7") �T QUARTER OF THE SOUTHEAST QUARTER OF SECTION 20, TOWNSHIP 21 NORTH, RANGE 4 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER OF THE NORTHEAST QUARTER OF THE SOUTHWEST QUARTER OF THE SOUTHEAST QUARTER OF SAID SECTION 20,- THENCE NORTH 00'21'53" EAST ALONG THE WEST LINE OF SAID SUBDIVISION 326.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 87*26'19" EAST 704.31 FEET TO THE WESTERLY MARGIN OF PACIFIC HIGHWAY SOUTH; THENCE SOUTH 21°50'33" WEST ALONG SAID WESTERLY MARGIN 204.82 FEET; THENCE NORTH 86*07'16" WEST 629.93 FEET TO THE WEST LINE OF SAID SUBDIVISION; THENCE NORTH 00'21'S3° EAST ALONG SAID WEST LINE 179.10 FEET TO THE TRUE POINT OF BEGINNING, ut'3 0 4 7 86°07'32" W CODES: I.B.C. 2006 EDITION WITH WAC ADMENDMENTS BUILDING ZONE CBD-4 OCCUPANCY R1 CONSTRUCTION,* V—A 90 UNIT HOTEL — 4 STORY BUILDING SPRINKLED, NFPA 13 NOTES. I PATIO FURNITURE TO BE DETERMINED BY OWNER AND/OR INTERIOR DESIGNER. CONSTRUCTION MUST BE OF AN APPROVED MATERIAL BY FRANCHISE, TABLES AND (HAIRS TO BE SHATTER RESISTANT, SITE AREA TOTAL HOTEL COVERAGE ASPHALT PAVING WALKS LANDSCAPE/OPEN AREA PARKING REQUIRED PARKING PROVIDED 124,104 SQ. FT, — 19,272 SQ. FT. — 53,621 SQ. FT. 1,864 SQ. FT. 49,347 SQ. FT (1 PER UNIT) STANDARD H.C. TOTAL 15.5% 43.2% 1.5% 39.8% 91 88 SPACES 4 SPACES 92 SPACES 72. �'2) 7 R ED 1"FECTI. DA "SWEENEY, STAT 3 ,r; Ft4 iS 11,51111111, 411�"7�1111''1'1'11' V, 4 01B lit f, INLET PH (SEE NOTES 5 * 4, 30"0 f RAME 4 AND COVER (5TD) MANHULt Zj I UKMHL I tK - I'LAN VltVV -1, 4., .4 4 '4�, -4, 4 4- 4 14 All A 30'0 FRAME AND 4 A , ;s 4 COVER (STD) 440 CONCRETE (SEE NOTE 4) 4� A 4 GRADE KING �A STEP (TYP) 4. � sum MANHOLE STORMFILTER e. 14, � TOP VIEW 4 7 MDPE OUTLET INLET PIPE I -r 1-4 JN�l 1 1.) L— P-1 v v I 4 (SEE NOTES 5 * (S) 0 u -UB CUT LI N -T STUD A CONTECH Company PRECAST 72" MANt10LE STORMILTER 1MIN. DEPTH !�\�,�\��,�\�'i\i�%'��\�j�\�� /�\�,�� j\\�,;,.\�\\��\ ��:� \r�����i\�i�\���\ �N,��i\ - \ OVERFLOW SPILLWAY A-:17 NATIVE SOIL OR COMPACTED BACKFILL MIN. 1' DEPTH 2"-4" ROCK MIN. 1 ' DEPTH 3/4"-1.591 WASHED GRAVEL SEDIMENT TRAP D E T A I [y i��.YCQ.yan�•�u STRUCTURE ID WATER QUALITY FLOW RATE (cf5) 0. 28 PEAK FLOW RATE 1 .5 cf5) .35 RETURN Pff .IC D Of PEAK f LOW (Yr5) 25 #.O...1 ..-.CARTRIDGE5 REQUIRED 7 CARTRIDGE f LOW RATE ( 15 -or 7.5 rn) 15 MEDIA TYPE (CSf, PERLITE, ZP`G) Csf KIM ELEVATION 250.3 12" OUTLET 1,27- I 360 LF 54" 0 DETENTION PIPE DATA;I.E. ORIENTATION MAl"ERIAL DIAMETER :PN:IA::L INLET PIPE # 1 244.8 1600 PF 12 TO TREATMENT INLET PIPE #2' OUTLET STU5 242.5__00 1211 REDUCER YE5\NO SIZE (1rECCENTRIC 53Y CONTRACTOR) No w IDTH HEIGr PLAN VIEW NOTES/SPECIAL REQUIREMENTS: PIPE ORIENTATION KEY: MANHOLE RING AND COVER 300 WITH LOCKING BOLTS$ MARKED "DRAIN" 180 aw"00 RIM-250.5 MINIM HANDHOLD NOW ''ll, lgAill HIGH FLOW BYPASS J- ELEV**"248.50 'T6 f E 4 -------- 40— IE00*0245.60 ELBOW WITH 0.5" ORIFICE SEE DETAIL THIS SHEET 3 to PIP.� SUPPORT y 5 I N U W 0. 0 1 AM OR 3' x 0,07 STEEL 12" STANDPIPE �i� 9 CLOSED FRONT SIDE SHEAR GATE DETAILS LIFT HANDLE Li ATTACHMENT FEDERAL DT1 5/19/0tj iwmw�v HOLIDAY INN EXPRESS 34839 PACIFIC HIGHWAY SOUTH FEDERAL WAY, WASHINGTON