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04-100035 (2)
r- FI L E CITY OF CITY HALL Federal Way Feder 1st Way South•PO Box 9718 Federal Way,WA 98063 9718 (253)661-4000 www.cityoffederalway.com March 29, 2004 Mr.Ken Miller,P.E. City Of Federal Way PO Box 9718 Federal Way,WA 98063 Re: File No. 04-100035-00-UP,PROCESS III APPROVAL Federal Way New City Hall Parking Lot,700 South 333`d Street Dear Mr. Miller: Pursuant to Federal Way City Code(FWCC)Chapter 22,Article VI, "Process III Review Project Approval,"the above referenced application for phased construction of a 177-stall parking lot and rough grading for a building pad is hereby conditionally approved,based on the referenced Exhibits(listed at the end of this letter), and is subject to the following conditions. CONDITIONS 1. Prior to approval of construction plans,the plans shall be revised to provide a continuous route for pedestrian travel. The proposed pedestrian walkway shall be extended across the most westerly parking and drive aisle to provide a continuous pedestrian route of travel to the future evidence building. 2. Prior to approval of construction plans,the plans shall be revised so the proposed fence gate design does not impede the path of pedestrian travel on the proposed pedestrian walkway. 3. Prior to approval of construction plans,the applicant shall provide a detail of the proposed fencing materials. If chain link fencing is proposed,the fencing shall be vinyl coated in a dark color. If chain link fencing is not being used,the Director of Community Development Services may approve an alternative superior fence design and material. PROCEDURAL INFORMATION Unless modified or appealed,the Process III decision is valid for a period of one year from the date of issuance of the decision. If no further action is taken within one year of the date of issuance,the decision will expire. A single one-year extension of the decision may be granted, only if a written request is submitted to the Department of Community Development Services, 33530 First Way South, PO Box 9718,Federal Way, WA 98063-9718, at least 30 days prior to the expiration of the decision. The applicant, or any person who receives a copy of the decision pursuant to FWCC Section 22-395(e), may appeal this decision pursuant to FWCC Section 22-397. Any appeal must be in the form of a letter delivered to the Department of Community Development Services (address above), and be accompanied by the established fee, within 14 calendar days after the effective date of issuance of this decision(April Mr.Ken Miller, PE March 29, 2004 Page 2 15, 2004). The effective date of issuance is the date of the decision plus three calendar days, or April 1, 2004. The appeal letter must contain a clear reference to the matter being appealed and a statement of the factual findings and conclusions of the Director of Community Development Services disputed by the person filing the appeal. The Federal Way Hearing Examiner will hear any appeals of the Process III decision. This decision does not constitute final project approval, and it does not waive compliance with future City of Federal Way codes,policies, and standards relating to this development. Before construction is initiated on the site,the City Public Works Department and Community Development Services Department must approve the final construction plans via an engineering construction permit application. If you have any questions regarding this decision,please contact Jim Harris, Senior Planner, at jim.harris(a cityoffederalway.com or 253-661-4019. Sincerely, '9Ait Kathy McClung, Director Department of Community Development Services Exhibits • Exhibit A: Findings and Conclusion for Process III Approval,File No.04-100035-000-00-UP Exhibit B: Preliminary Site Plan(Grading and Drainage Plans C-103&C-104)by Sound Consultants LLC,revised 3/10/04 Exhibit C: Preliminary Landscape Plan by Lauchlin Bethune Associates,sheets L 1.1 &L 2.1,3/15/02 c: Derek Matheson,Assistant City Manager Greg Fewins,Deputy Director of Community Development Services Jim Harris,Senior Planner Cary Roe,Director of Public Works Jim Femling,Senior Development Engineer Kim Scattarella,Senior Engineering Plans Reviewer Sarady Long,Traffic Analyst Bryan Chou,Planning Intern David A.Clark,AIA,Clark Architects,PLLC, 11737 SE 256`h Place,Kent,WA 98031-7897 Doc.I.D.26437 File No.04-100035-000-00-UP i -.t.. CITY OF Federal Way Exhibit A Findings and Conclusion for Process III Approval New City Hall Parking Lot File No. 04-100035-00-UP PROJECT DESCRIPTION AND BACKGROUND The proposed action includes phased construction of a parking lot and rough grading for a building pad. Phase I of the proposal is to construct a 115-stall vehicle parking lot on the east side of the site. The parking lot will include an area for the City fleet vehicles that will be enclosed by a security fence and gate. Phase II will include construction of an additional 62-parking stalls, and rough grading a pad for a future building on the balance of the site. The future building is not included as a component of this review and approval. Development of the site includes construction of storm drainage improvements and associated utilities. The subject property is located along the northern side of 333rd Street at 700 South 333`d Street,in Federal Way, WA. FINDINGS 1. The City of Federal Way has proposed construction of a 177-stall parking lot for the new Federal Way City Hall. Proposed improvements for the site also include the following: storm drainage,landscaping, fencing,utility improvements, and a building pad for a future building. The site is located at 700 South 333rd Street, on King County Tax Parcel Numbers 926500-0180 and 926500-0190. This Process III approval applies to the Phase I and Phase II parking, and rough grading the future building pad,but this approval does not approve the location or design of the future building. Since no design or plan for the future building was submitted, an additional land use review Process II for the design guideline review will be required for the future building at the site. 2. The subject property is zoned Office Park(OP), and the comprehensive plan designation is Office. 3. Pursuant to Federal Way City Code(FWCC) Section 22-826,a parking lot is permitted for office uses in the OP zoning district subject to Process III review and approval. The subject property adjoins the new City Hall site and therefore parking for City Hall is permitted on the subject site pursuant to FWCC Section 22-1421. In order to comply with FWCC Section 22-1421(2)(b),prior to use of the parking area,the owner of the lot containing the parking must sign a covenant,or other instrument, in a form acceptable to the City Attorney,requiring that the parking lot be devoted in whole or in part to required parking for the use of the City Hall site. 4. The proposal has been reviewed for consistency with all applicable zoning regulations including but not limited to FWCC Section 22-761; FWCC Chapter 22,Article VI, "Process III Project Approval"; FWCC Chapter 22, Article XVII, "Landscaping"; FWCC Chapter 22,Article XIX, "Community Design Guidelines"; and FWCC Chapter 21, "Surface and Stormwater Management." 5. The City of Federal Way Department of Community Development Services issued a State Environmental Policy Act(SEPA)Determination of Nonsignificance (DNS) for the proposal on February 7, 2004. The City did not receive any appeals of the DNS. 6. The Process III application was deemed complete on January 16, 2004. Pursuant to public notice requirements,on January 21,2004, a Notice of Process III Land Use Application was published in the City's official newspaper,posted on site,posted on the City's notice boards, and mailed to property owners within 300 feet of the site. The City received a January 23,2004, letter regarding planting within a water line easement on the property from Tim Larson with Tacoma Water. 7. Development of the site will create additional runoff from new impervious surfaces such as driveways, sidewalks,parking lots, and rooftops. Storm drainage facilities for the site are being designed in accordance with the 1998 King County Surface Water Design Manual(KCSWDM)and the City's amendments to the manual. On March 15, 2004, a preliminary storm drainage Technical Information Report(TIR)by Sound Consultants LLC,was submitted in conjunction with the Process III land use application. The City's Public Works Department will conduct a full technical review of the final storm drainage TIR in conjunction with final review for engineering approval. The preliminary design proposes to collect and convey water through a series of catch basins and pipes for water quality treatment into an underground Stormgate Separator,then into a Leaf Compost Stormfilter Vault. The stormwater will be released offsite along South 333rd Street through a downstream conveyance system to the Lake 3 Regional Stormwater Facility. The flow control performance standard required for this project is level one. Level one flow control provides matching developed peak discharge rates from the two-year peak flow for existing site conditions up to the full ten-year peak flow,and in addition,will match up to the developed 100-year peak discharge rate to existing site conditions. There is also the alternative of utilizing the Lake 3 regional stormwater facility. The applicant has selected utilization of Lake 3 to meet flow control requirements. The applicant must also demonstrate that adequate conveyance for the 25-year design flow and the 100-year design will not create or aggravate any flooding problems within the conveyance system from the site,downstream to Lake 3. The required water quality performance standard is the resource stream protection water quality menu.Resource Stream Water Quality provides a stand-alone menu. It integrates the basic menu level of protection and additional features to achieve stream protection goals in the options described in Section 6.1.3 of the 1998 KCSWDM. The treatment goal is to achieve 50 percent total zinc removal for flows up to and including the water quality design flow or volume. Final review of the stormwater quality, flow control, and detention will occur in conjunction with the full drainage review. 8. The proposed development will provide site access from South 333rd via a single driveway. Street frontage improvements per FWCC Section 22-1477 may be required along South 333rd Street. A raised crosswalk for pedestrian crossing and additional illumination will be provided across South 333rd Street in accordance with FWCC standards. Specific right-of-way improvements will be identified in a forthcoming right-of-way modification letter from the Public Works Department. 9. Given the utilitarian nature of the facility,the applicability of the Community Design Guidelines is New City Hall Parking Lot Doc ID 26440-File#04-100035-00-UP Findings&Conclusions for Process III Approval Page 2 limited. However,pedestrian amenities and other applicable design provisions are in general concurrence with the "Community Design Guidelines,"FWCC Chapter 22, Article XIX. As conditioned,pedestrian connections are provided on and to the site in accordance with applicable code requirements. However,the pedestrian walkway as proposed does not connect to the future building pad, and a proposed fence gate, as preliminarily designed, obstructs the walkway. In addition,no detail of the fencing design and material was provided with the Process III application. Therefore,the following conditions of Process III approval are hereby established in order to comply with the general provisions of the Community Design Guidelines. . • Prior to approval of construction plans,the plans shall be revised to provide a continuous route for pedestrian travel;the proposed pedestrian walkway shall be extended across the most westerly parking and drive aisle to provide a continuous pedestrian route of travel to the future evidence building. • Prior to approval of construction plans,the plans shall be revised so the proposed fence gate design does not impede the path of pedestrian travel on the proposed pedestrian walkway. • - • Prior to approval of construction plans,the applicant shall provide a detail of the proposed fencing materials. If chain link fencing is proposed,the fencing shall be vinyl coated in a dark color. The Director of Community Development Services may approve an alternative superior fence design and materials. 10. Pursuant to FWCC Section 22-1565(c), along the east and west sides of the site, a minimum five-foot wide Type III perimeter landscape buffer is required. Pursuant to FWCC Section 22-1565(a), along the south side of the site, a minimum ten-foot wide Type III perimeter landscape buffer is required. The south(front), east(side), and west(side)perimeter buffers are depicted on the approved preliminary landscape plan,in accordance with City code requirements for the purposes of Process III review. Pursuant to FWCC Section 22-1565(a), a 15-foot wide Type I perimeter landscape buffer is required along the north side (rear)of the site adjacent to the existing residential zone. The north(rear), perimeter buffer is depicted on the approved preliminary landscape plan, in accordance with City code requirements for the purposes of Process III review. Parking lot landscaping is distributed throughout the parking areas. Locations and dimensional standards of proposed interior lot landscaping generally comply with standards of the FWCC. The interior parking lot landscape area exceeds the minimum amount required by FWCC Section 22- 1567. According to the landscape plan, 16 significant trees currently exist on the subject property and four of these trees will be retained,which meets the minimum 25 percent retention standards of FWCC Section 22-1568. The applicant's preliminary landscape plan has been determined to meet the requirements for the purposes of Process III approval, including required landscape area for perimeter buffer, interior lot landscaping, and significant tree retention. A complete final code based review of all interior lot landscaping and perimeter landscaping areas and landscape material has found the following code New City Hall Parking Lot Doc ID 26440-File#04-100035-00-UP Findings&Conclusions for Process III Approval Page 3 based deficiencies that need to be addressed on the final landscape plan prior to approval of the construction plan. A. In order to reduce the visual impact of parking areas, screen automobiles, and comply with FWCC Section 22-1567(e),the shrubs proposed along the front perimeter landscape area must be planted toward the upper edge of the front planter strip; and B. In order to comply with the Type I landscape provisions of FWCC Section 22- 1565(a),the landscape plan shall include additional tall shrubs in the rear Type I landscape area; and C. Limbing of the existing significant tree to 20 feet in height in the rear buffer area as proposed on the landscape plan is not consistent with the Type I solid screen buffer requirement, and is not permitted as proposed, unless otherwise approved by the Director of Community Development Services. 11. Except as noted herein,the dimensional standards of the parking area and drive aisles meet standards in the City's adopted parking guidelines. Prior to approval of construction plans, one parking stall that does not meet the minimum dimensional standards at the western end of the rear parking row will either need to be eliminated,or modified to meet the compact stall requirement and marked as such, or modified to meet the City's standard stall size requirement. Accessible parking stall(s)may be required in conjunction with the future building at the discretion of the Building Official. 12. Utilities are in the vicinity of the site and available to serve the site as described in the SEPA checklist. 13. Pursuant to FWCC Section 22-395(d)(9),affected property owners may request a change in valuation for property tax purposes,notwithstanding any program of revaluation. 14. The proposed site plan application and application attachments as conditioned,have been determined to be consistent with the Federal Way Comprehensive Plan,all applicable provisions of the FWCC, and with 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,provided that all stated conditions of approval are met. The proposed development is consistent with Process III,Project Approval,decisional criteria and the community design guidelines criteria required under FWCC Section 22-395(b). CONCLUSION Pursuant to the decision criteria listed in FWCC Section 22-395(b)and the foregoing findings,the proposal is determined to be consistent with the Federal Way Comprehensive Plan,all applicable provisions of the FWCC,and with public health, safety, and welfare,provided all conditions of project approval are met. New City Hall Parking Lot Doc ID 26440-File#04-100035-00-UP Findings&Conclusions for Process►I►Approval Page 4 Final construction drawings will be reviewed for compliance with applicable City of Federal Way codes, conditions of approval, and other applicable City regulations. These findings shall not waive compliance with future City of Federal Way codes,regulation policies, and standards relating to these findings. Prepared by Jim Harris, Senior Planner,Ma , 04 • New City Hall Parking Lot Doc ID 26440-File#04-100035-00-UP Findings&Conclusions for Process III Approval Page 5 116, CITY of CITY HALL FederaI WayFeder 1st Way South• Box 9718 Federal Way,WA 98063-9718 9718 (253)661-4000 www cityoffederalway.corn January 27,2004 row Mr. Bryan Chou City of Federal Way PO Box 9718 Federal Way, WA 98063 Re: File No.04-100035-00-UP;Planning Division Technical Review Federal Way New City Hall Parking Lot; 700 South 333rd Street Dear Mr. Chou: The following comments represent the Planning Division's first technical review comments pertaining to the State Environmental Policy Act(SEPA)and Process III review for the New City Hall Parking Lot, proposed on the north side of South 333rd Street. This review is based on the plans submitted to date as follows: Sound Consultants cover sheet,C-101,Erosion Control Plan C-102, Grading and Drainage Plans C-103, 104, and 105;Lauchlin Bethune Associates Landscape Plan page L1.0; and SEPA checklist by Bryan Chou,December 30,2003. At this time,adequate information has been submitted in order to issue a SEPA threshold determination. We anticipate issuance of the determination following conclusion of the early public comment period, which concludes on February 4, 2004. In order for the City to further evaluate and issue a decision on the Process III application, please address items 1-9 below. Please resubmit four sets of any revised plan sheets and three sets of any revised technical documents,as appropriate. In addition,please include the enclosed Resubmittal Information form with any resubmittals. 1. The preliminary plans do not depict easements that are referenced on the title report. The site plan/ grading plans must depict all easements. 2. As required by Federal Way City Code(FWCC) Section 22-33(8), provide two copies of the ESM survey for the site that is referenced on sheet C-103. 3. The site plan, sheet C-103 must include the following: a. The site plan should be at a scale of 1"=20' b. Property dimensions c. Parking stall and drive aisle dimensions d. Landscape island dimensions e. Identify any proposed fencing Mr.Bryan Chou Page 2 January 27,2004 f. Label phase I and II g. Location and type of proposed pedestrian crossing on South 333rd Street h. On-site pedestrian improvements; i. The north arrow needs to be corrected on the drawings 4. The site plan must identify and depict any proposed pedestrian facilities both on-site and for crossing 333rd Street.The pedestrian facilities shall be designed in consideration of existing and/or planned improvements at the City Hall building,to provide a continuous route of pedestrian travel to the new parking lot. The site plan does not provide any on-site pedestrian facilities. On-site pedestrian facilities shall be provided by separate paved routes using a variation in paved texture,pattern,and color. Approved methods of delineation include: stone, brick,or granite pavers;exposed aggregate;or stamped and colored concrete. Paint striping on asphalt is not an approved method of delineation(FWCC Sections 22-1634[d][2] and 22-1638[b][1]). 5. Pursuant to FWCC Section 22-833,the parking stall count for a government facility is determined on a case-by-case basis. Although no specific parking count analysis has been submitted,the proposed additional parking is being provided for the proposed City Hall(government)use. Therefore,the new parking is permitted on the subject adjoining lots as discussed in FWCC Section 22-1421(2). A brief parking analysis must be provided to document the case-by-case parking stall count determination.The parking analysis must include at a minimum the following: existing parking stall count at the City Hall building; count of existing parking stalls at City Hall to be eliminated;count of proposed new parking stalls at the new parking lot;and a brief documentation of the required parking stall count for the New City Hall. Second,pursuant to FWCC Section 22-1421(2)(b),the owner of the lot containing the parking must sign a covenant,or other instrument, in a form acceptable to the City Attorney,requiring that the lot be devoted in whole or in part to required parking for the use on another lot. 6. Although not specifically required by code, but based on the intent of the Community Design Guidelines(FWCC Section 22-1634[f][1][d]),Planning Division staff strongly suggests that any enclosed(fenced)vehicular areas be located away from the public right-of-way. If any fencing is located along the front property line,then the required perimeter landscaping must be located between the fence and public right-of-way(FWCC Section 22-11564[e]). 7. The landscape plan(and site plans if applicable)needs to be revised to comply with the following FWCC standards: a. The minimum parking lot landscape island width is six feet(FWCC Section 22-1567[c]). It appears that the row of islands near the southern portion of the parking lot are less than six feet wide. b. The landscape plan needs to provide calculations identifying compliance with the interior lot landscape requirement of 22 square feet of landscaping per parking stall (FWCC Section 22-1567[b]). File#04-100035-00-UP Doc.I .25843 N. Mr. Bryan Chou Page 3 January 27,2004 c. The parking lot lighting fixtures that are proposed within the landscape islands may not reduce the amount of landscaping required in the parking lot islands(FWCC Section 22- 1634[g][1][c]). It appears that the proposed light fixtures may not conform to this code requirement. d. Several parking lot landscape islands do not contain trees at the ends of all rows of parking as required by FWCC Section 22-1567(c). e. The perimeter landscape area along South 333`d Street needs to be bermed at least three feet high, or alternatively, substantial shrub plantings can be provided in this location (FWCC Section 22-1567[e]). f. The rear property line along the BPA corridor is required to be planted with a minimum 15-foot wide Type I solid screen landscaping(FWCC Section 22-1566[h]).The preliminary landscape plan shows Type III landscape in this area, and must be revised to provide a Type I screen. g. Shrubs must be added to the rear perimeter Type I planter area between the proposed evergreen trees at the northeasterly corner of the site. h. The landscaping along the rear of the site should be coordinated with Tacoma Water in regard to their existing easement. i. The landscape plan must address significant trees,and either retain or replace significant trees in accordance with FWCC Section 22-1570. It appears that Phase 1 will impact four significant trees.Retention or replacement of at least one of these four trees is required. 8. Lakehaven Utility District's January 15,2004, memorandum is enclosed for your review. 9. Public Works Development Services Division's January 26,2004,review memo from Kim Scattarella is enclosed for your review and response. Please respond accordingly. Pursuant to FWCC Section 22-34, failure to provide the above requested information within 180 day of the date of this letter will result in the application being canceled. If you have any questions regarding the Public Works comments,please contact Kim Scattarella, Senior Engineering Plans Reviewer at 253-661- 4132. Please call me at 253-661-4019 if you have any questions or need any assistance, I would be glad to further discuss the comments provided herein. Sincerely, r {1 <Ji Inn'Harris Senior Planner enc: Public Works January 26,2004,Memo Lakehaven Utility District January 15,2004,Memo Parking Stall Dimensional Chart Resubmittal Information Form c: Ken Miller,Deputy Public Works Director Kim Scattarella,Senior Engineering Plans Reviewer File 804-100035-00-UP Doc.I .25843 CITY OF MEMORANDUM Federal Way Public Works Department DATE: January 26, 2004 r TO: Jim Harris F FROM: Kim Scattarella, P.E. SUBJECT: FEDERAL WAY NEW CITY HALL PARKING LOT EXPANSION - (04-100035-00-UP) 700 S 333RD ST The information submitted on January 6, 2004 has been reviewed. Public Works has determined this application to be complete. Preliminary Engineering Plans 1. Indiicate the 20' Water easement encroachment for the Tacoma Second Supply Line along the northern border of the site. 2. Please revise the orientation of the North arrow on sheets C-102 and C-103,to the correct orientation as shown on the vicinity map. 3. Provide a complete drainage plan with all elevations shown that indicates the location of all on-site Catch Basins, storm conveyance lines and the water quality treatment facilities. Also indicate where on-site storm conveyance ties into the downstream conveyance system. 4. The water quality treatment facilities shall conform to the Resource Stream Protection menu,per the 1998 KCSWDM,Table 6.1.3.A. A bioswale, basic wetpond, wet vault, basic sand filter or sand filter vault must used in place of the Vortecnics Storm filter in addition to the compost filter vault. Any deviation from these standards will require an Administrative Variance from the Surface Water Management Division. Technical Information Report(T.I.R.) 5. On page 4, change the first sentence to read; "The site is split into 2 separate sub-basins which discharge independently to the S. 333rd Street storm drain system." 6. Revise the water quality treatment portion of the T.I.R. as stated in comment 4. 7. On page 7, revise the off-site analysis to indicate the storm event that occurred in late October 2003 was estimated at slightly more than a 100-year event, not a 500-year storm event. 8. Provide sizing calculations for both components of the water quality treatment train. 9. Provide a level 2 downstream— backwater analysis, per the 1998 KCSWDM to indicate that there are no capacity problems from the site to the regional facility at Lake 1. SEPA Checklist 10. Revise Item B.3.c.1) to read; "Stormwater runoff will flow into catch basins and be conveyed to an on-site water quality treatment system, then discharged into the existing street stormwater collection system that flows into Lake 1". Traffic/R-O-W Improvements See attached Traffic Division memorandum from Sarady Long,Traffic Analyst,for traffic related items. 3628 _ ,th 35th Street RECEIVED BY COMMUNITY DEVELOPMENT DEPARTMrN'i Tacoma, Washington 98409-3192 01.110.1111.4 J r-t El 2 TACOMA WATER TACOMA PUBLIC UTILITIES January 23, 2004 Mr. Bryan Chou City of Federal Way P.O. Box 9718 Federal Way, WA 98063-9718 Tacoma Second Supply Project Pipeline City of Federal Way Parking Lot Dear Mr. Chou: Thank you for your letter of January 14, 2004 soliciting comments on the proposed 115 stall parking lot on South 333rd Street in Federal Way which will effect the City of Tacoma's Pipeline Easement. We have reviewed your proposed site plan drawing C-103 (not dated) and have determined that the proposed grading plan is not in conflict with our use of the 20-foot easement encumbering the north edge of the proposed parking lot. If you need further assistance or additional information please contact Craig Gibson at (253) 502-8204 or Tim Larson at(253) 377-5844. Sincerely, Tim A. Larson Senior Special Projects Engineer Cc: Jim Harris, Ken Miller—City of Federal Way Craig Gibson—Tacoma Water LAKEtIAVEN UTILITY DIS i RICT 31627 1st Avenue South • P. O. Box 4249 • Federal Way,WA 98063 COMMUNITY DEVELOPMENT TECHNICAL REVIEW COMMITTEE rI AGENDA OF: January 15, 2004 ATTN: Mr. Jim Harris Senior Planner SUBJECT: Agenda Item No. 4 - New City Hall Parking Lot Expansion 04-100035-UP-SE COMMENTS: Water: If additional hydrants or other fire protection system are indicated, a developer extension agreement will be required. Owner should apply separately to the District for this process as soon as possible to avoid delays in construction. Please allow 3 to 4 months for plan review and approval. Sewer: A side sewer permit will be required for any sewer connection (i.e., proposed future evidence building). Owner will be required to complete a Sewer Use Survey(SUS); with pretreatment requirements, if any, to be determined upon review of said SUS. General: The District's Capital Facilities Charges are calculated on the basis of Equivalent Residential Units (ERU). Residential equivalency will be estimated based on anticipated water use. A minimum of one(1) full ERU will be assessed. Owner will be required to provide water consumption information from a similar facility or a reliable estimate of the anticipated water use. Actual water consumption will be monitored and additional charges may be assessed within five years of original connection. The District's current Capital Facilities Charges are $3,212/ERU for water and$2,702/ERU for sewer. SEPA: Construction activities have not been described as required in Section 16.b of the checklist. Utility purveyors should also be identified. By: Y u{ ng Date: //3/0 M E. De elopment Servic s Supervisor Direct Line: (253) 946-5400 FAX: (253) 529-4081 E-mail: myoung@lakehaven.org -1 - ' • 59 - Vi fr ri,,,,s c- , o V y�. TR G AL � Y G gyp, AL 9G, • B< 91 ��� -7 ail/ /y �4�. \' �'9pys 9'rip 1 Y / �ORp LS, e� F 2i a. � °� �� 17 *i �i @,,A/N-- 7 -0'fs, 4,,,,N ,c) -\ , -- ip,_,X ,„ --/G -J O 18 \ Cps �-, . �FG QI), „N� Q` \� -45°VB 7 1� Q\ G° z4; R ' LL# 1 8 111 )-- , lioez AIRVAC Q ,P-' 30' INGRESS,EGRESS x2"D UTIL. ESMT. �- 45 ♦ Q\ � WELL SIT N . 18 g '1�' 0!$)s4- Y N LOT 208 �y�+� �G �9 .. 1'� '� Q S s. oz G �� LOT 20A ALP ✓ NO. S, a 27 \_)) 0tPY-- o , �� oP s` AIR REL• •S E o $,\,,,,)/0",,q4 G 9. Gx $P` Q'G9 26 o �0 G�c b.,F 32 • O -.145' o. U 9 �G v,� ,2 P �4�GO 5 1/7" 25C G� o P�,. Y♦ �1 a ` �0" �� 45' Y G • DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33530 First Way South 411011111 PO Box 9718 CITY OF ? J1ay F E D Federal Way WA 98063-9718 253-661-4000;Fax 253-661-4129FedaraI www.cityoffederalway.com I OF FEDERAL WAY BUILDING DEPT. ENVIRONMENTAL CHECKLIST ) 1 ).° PURPOSE OF CHECKLIST The State Environmental Policy Act(SEPA),RCW Chapter 43.21C,requires all governmental agencies to \( consider the environmental impacts of a proposal before making decisions.An environmental impact statement(EIS)must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information to help you and the agency identify impacts from your proposal(and to reduce or avoid impacts from the proposal, if it can be done) and to help the agency decide whether an EIS is required. INSTRUCTIONS FOR APPLICANTS This environmental checklist asks you to describe some basic information about your proposal. Governmental agencies use this checklist to determine whether the environmental impacts of your proposal are significant,requiring preparation of an EIS.Answer the questions briefly,with the most precise information known,or give the best description you can. You must answer each question accurately and carefully,to the best of your knowledge.In most cases,you should be able to answer the questions from your own observations or project plans without the need to hire experts. If you really do not know the answer,or if a question does not apply to your proposal,write"do not know"or"does not apply."Complete answers to the questions now may avoid unnecessary delays later. Some questions ask about governmental regulations,such as zoning, shoreline,and landmark designations. Answer these questions if you can. If you have problems,the governmental agencies can assist you. The checklist questions apply to all parts of your proposal,even if you plan to do them over a period of time or on different parcels of land.Attach any additional information that will help describe your proposal or its environmental effects. The agency to which you submit this checklist may ask you to explain your answers or provide additional information reasonably related to determining if there may be significant adverse impact. USE OF CHECKLIST FOR NON-PROJECT PROPOSALS Complete this checklist for non-project proposals,even though questions may be answered"does not apply."In addition,complete the Supplemental Sheet for Non-Project Actions(part D). For non-project actions,the references in the checklist to the words"project,""applicant,"and"property or site"should be read as"proposal,""proposer,"and"affected geographic area,"respectively. Bulletin#050—March 18,2003 Page 1 of 16 k:\Handouts—Revised\Environmental Checklist A. BACKGROUND 1. Name of proposed project,if applicable: New City Hall Parking Expansion 2. Name of applicant: City of Federal Way 3. Address and phone number of applicant and contact person: PO Box 9718 33530 1 n Way South Federal Way, WA 98063 Ken Miller, Deputy Director (253) 661-4136 Bryan Chou, Planning Intern (253) 661-4161 4. Date checklist prepared: December 29, 2003 5. Agency requesting checklist: Community Development Services, City of Federal Way 6. Proposed timing or schedule(including phasing, if applicable): Phase I, which will be a parking lot, will be completed approximately May of 2004. Phase II, which will be an evidence building or a parking lot, will be completed in 2005 or sooner. 7. Do you have any plans for future additions,expansion,or further activity related to or connected with this proposal?If yes,explain. No 8. List any environmental information you know about that has been prepared,or will be prepared, directly related to this proposal. Geotechnical Report prepared by Landau Associates on October 31, 2003 Off-site Wetland Determination prepared by Adolfson Associates, Inc on April 24, 2003 Methodology Regarding the Off-site Wetland Determination prepared by Talasaea Consultants on April 24, 2003 9. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by your proposal?If yes,explain. Bulletin#050—March 18,2003 Page 2 of 16 k:\Handouts—Revised\Environmental Checklist No 10. List any government approvals or permits that will be needed for your proposal, if known. Land Use and building permit from the City of Federal Way. 11. Give a brief,complete description of your proposal, including the proposed uses and the size of the project and site.There are several questions later in this checklist that ask you to describe certain aspects of your proposal.You do not need to repeat those answers on this page. Phase I proposes to create a 115 to 142 space parking lot on the east side of the site. The parking lot will include an area for the City Vehicle Fleet that will be enclosed by a fence and accessed by a secure gate. Phase II will create additional parking spaces or build a 6,000 sq. foot evidence storage facility or a combination of the two on the west side of the site. The project calls for clearing and grading of the site. Total parking spaces created for both phases will be as many as 192. 12. Location of the proposal.Give sufficient information for a person to understand the precise location of your proposed project, including a street address if any,and section,township,and range if known.If a proposal would occur over a range of area,provide the range or boundaries of the site(s).Provide a legal description, site plan,vicinity map,and topographic map,if reasonably available.While you should submit any plans required by the agency,you are not required to duplicate maps or detailed plans submitted with any permit applications related to this checklist. The proposed site is located in the Federal Way, Washington on the north side of South 333rd Street. It consists of two parcels that are addressed 700 South 333nd Street and 600 South 333' Street. The parcel numbers of the project site are 926500-0180 and 926500- 0190. SW%of Sec. 17, Twp. 21 N., Rge. 4 E., W.M. B. ENVIRONMENTAL ELEMENTS 1. EARTH a. General description of the site(circle one): Flat,rolling,hilly,steep slopes,mountainous,other. Rolling b. What is the steepest slope on the site(approximate percent slope)? The steepest slope is approximately 25% slope. c. What general types of soils are found on the site(for example,clay,sand,gravel,peat,mulch)?If you know the classification of agricultural soils,specify them and note any prime farmland. In the Geotechnical Report produced by Landau Associates, the subsurface conditions observed are relatively uniform, consisting of topsoil overlying ablation till and lodgment till. The topsoil generally consists of brown loose to medium dense, organic, silty sand with variable amounts of gravel, cobble, and roots. Topsoil was observed in the test pits to depths between 0.5 and 1.0 ft BGS. The ablation till typically consists of medium dense, gravelly, silty sand with variable amounts of cobble. The ablation till is slightly weathered with a read-brown to light brown color, minor amounts of organics, and was observed in the test pits to extend to depths of 2.5 to 3.5 ft BGS. The ablation till is underlain by lodgment till which generally consists of dense to very dense, gravelly, silty Bulletin#050-March 18,2003 Page 3 of 16 k:\Handouts-Revised\Environmental Checklist sand to silty, sandy gravel with variable amounts of cobble (Landau Associates 3, 4). d. Are there surface indications or history of unstable soils in the immediate vicinity?If so,describe. No e. Describe the purpose,type,and approximate quantities of any filling or grading proposed. Indicate source of fill. The purpose of grading and filling is to bring the site level with the street and for proper ,L)31r-u— drainage. For phase one of the project 6,400 CY will be cut and 2,900 CY will be fill resulting in a net cut of 3,500 CY. In phase two, an estimated 6,500 CY will be cut and 9 ;c, ) an estimated 500 CY will be fill resulting in a net cut of 6,000 CY. L µ(tiAhl� f. Could erosion occur as a result of clearing,construction,or use?If so,generally describe. Yes, during initial clearing and grading of the site, erosion can occur due to removal of vegetation. All appropriate erosion control measures will be taken to minimize erosion during construction. g. About what percent of the site will be covered with impervious surfaces after project construction (for example,asphalt or buildings)? At the most, approximately 75% of the site will be covered with impervious surfaces. h. Proposed measures to reduce or control erosion,or other impacts to the earth, if any. During construction, a filter fabric fence will be installed along the perimeter of the site to control erosion and sediment runoff. Also, sediment protection will be installed at 14 existing catch basins in accordance with City standards. ( c, I %. 2. AIR a. What types of emissions to the air would result from the proposal(i.e.,dust,automobile, odors, industrial wood smoke)during construction and when the project is completed?If any, generally describe and give approximate quantities if known. Clearing and grading of the site can cause dust during construction. The completed project will result in increased vehicle emissions on the site. b. Are there any off-site sources of emissions or odor that may affect your proposal?If so,generally describe. No c. Proposed measures to reduce or control emissions or other impacts to air, if any. None (,t1'v''Y1 1 �G( N//A 3. WATER a. Surface Bulletin#050—March 18,2003 Page 4 of 16 k:\Handouts—Revised\Environmental Checklist 1) Is there any surface water body on or in the immediate vicinity of the site(including year- round and seasonal streams,saltwater, lakes,ponds,and wetlands)?If yes,describe type and provide names. If appropriate,state what stream or river it flows into. Yes, there is a category. II wetland approximately 50' north of the most western corner of the site within the BPA easement that directly abuts the project site. The off-site wetland was delineated by Talasaea Consultants and classified as a Category II wetland as per the Federal Way Municipal Code with a 100' buffer (Adolfson 2). Southwest of the project site is Lakehaven Utility's Well#18. In the Talasaea Consultants report concludes that Well#18 is a man-made non-regulated area constructed in upland and therefore was determined to be a non-regulated wetland area under FWMC 22-1356(c) (Talasaea 2). 2) Will the project require any work over, in,or adjacent to(within 200 feet)the described waters?If yes,please describe and attach available plans. Yes, the proposed project will include work within 200 feet of the category II wetland. The project calls for clearing, grading and paving with a possibility of construction of a building up to 100' of the wetland area. 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. There will be no fill or dredge material that will be placed in or removed from any surface water or wetlands. 4) Will the proposal require surface water withdrawals or diversions?Give general description,purpose,and approximate quantities if known. There will be no surface water withdrawals or diversions. 5) Does the proposal lie within a 100-year floodplain?If so,note location on the site plan. No 6) Does the proposal involve any discharges of waste materials to surface waters?If so, describe the type of waste and anticipated volume of discharge. No b. Ground 1) Will ground water be withdrawn,or will water be discharged to groundwater?Give general description,purpose,and approximate quantities if known. No 2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if any(for example: Domestic sewage; industrial,containing the following chemicals...; agricultural;etc.).Describe the general size of the system,the number of such Bulletin#050—March 18,2003 Page 5 of 16 k:\Handouts—Revised\Environmental Checklist systems,the number of houses to be served(if applicable),or the number of animals or humans the system(s)are expected to serve. N/A c. Water Runoff(including stormwater) 1) Describe the source of runoff(including stormwater)and method of collection and disposal, if any(include quantities, if known).Where will this water flow?Will this water flow into other waters?If so,describe. Stormwater run off will flow into a catch basin and be carried to an onsite water quality treatment system and discharged into the existing street stormwater catch basin that flows to lake one. 2) Could waste materials enter ground or surface waters?If so,generally describe. No d. Proposed measures to reduce or control surface,ground,and runoff water impacts, if any. We will have adequate treatment and retention of stormwater along with planting and maintenance of native vegetation to control water runoff impacts. 4. PLANTS a. Check or circle types of vegetation found on the site. X deciduous tree: alder,maple,aspen,other X evergreen tree: fir,cedar,pine,other X shrubs X grass pasture crop or grain wet soil plants: cattail,buttercup, bulrush,skunk cabbage,other water plant: water lily,eelgrass,milfoil,other other types of vegetation b. What kind and amount of vegetation will be removed or altered? 1 The project proposes to remove approximately 101,000 sq. ft. of light shrubs and IN 511J;Y deciduous and evergreen trees. Trees that are removed include up to 16 significant trees, the largest being 40" in diameter. Significant trees that will be removed are all of 00,6 the species Pseudotsuga menziesii(Douglas Fir) except one Thuja plicate (Western Red Cedar). c. List threatened or endangered species known to be on or near the site. None d. Proposed landscaping,use of native plants,or other measures to preserve or enhance vegetation on the site, if any. Bulletin#050—March 18,2003 Page 6 of 16 k:\Handouts—Revised\Environmental Checklist Landscaping will be provided around the perimeter of the site and in islands around the 0i parking lot as per Federal Way Municipal Code. � -k 5. ANIMALS 5v,-kW) a. Circle any birds and animals that have been observed on or near the site or are known to be on or near the site. birds: hawk,heron,eagle,songbirds,other: mammals:deer,bear,elk, beaver,other: fish: bass,salmon,trout,herring, shellfish,other: b. List any threatened or endangered species known to be on or near the site. None c. Is the site part of a migration route?If so,explain. No d. Proposed measures to preserve or enhance wildlife, if any. None 6. ENERGY AND NATURAL RESOURCES a. What kinds of energy(electric,natural gas,oil,wood stove, solar)will be used to meet the completed project's energy needs?Describe whether it will be used for heating,manufacturing,etc. Electricity will be needed to power the light poles, security cameras and possible electrical needs of the evidence storage building for Public Safety. b. Would your project affect the potential use of solar energy by adjacent properties?If so,generally describe. No c. What kinds of energy conservation features are included in the plans of this proposal?List other proposed measures to reduce or control energy impacts, if any. None 7. ENVIRONMENTAL HEALTH a. Are there any environmental health hazards, including exposure to toxic chemicals,risk of fire and explosion, spill,or hazardous waste that could occur as a result of this proposal?If so,describe. No 1) Describe special emergency services that might be required. Bulletin#050-March 18,2003 Page 7 of 16 k:\Handouts-Revised\Environmental Checklist N/A 2) Proposed measures to reduce or control environmental health hazards, if any. N/A b. Noise 1) What types of noise exist in the area that may affect your project(for example: traffic, equipment operation,other)? None 2) What types and levels of noise would be created by or associated with the project on a short-term or long-term basis(for example:traffic,construction operation,other)?Indicate what hours noise would come from the site. There will be increased noise level due to an increase in vehicular traffic. 3) Proposed measures to reduce or control noise impacts, if any. [ vJt Co ` None, the site is located in a commercial area. 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? The proposed site is currently undeveloped. The adjacent properties to the northeast and southwest are commercial office buildings. Also southwest of the site is the Lakehaven Utility's Well#18. The adjacent property to the northwest of the site is a recreational trail. The property opposite South 333' Street from the site is the location on the new Federal Way City Hall. b. Has the site been used for agriculture?If so,describe. No c. Describe any structures on the site. N/A d. Will any structures be demolished?If so,what? No e. What is the current zoning classification of the site? The proposed site is currently zoned Office Park (OP). f. What is the current comprehensive plan designation of the site? The proposed site is currently designated Office Park. Bulletin#050-March 18,2003 Page 8 of 16 k:\Handouts-Revised\Environmental Checklist g. If applicable,what is the current shoreline master program designation of the site? N/A h. Has any part of the site been classified as an"environmentally sensitive"area?If so,specify. The northwest corner of the site is within the 100' buffer of a Class II wetland. The buffer intrudes approximately 50' into the project site. i. Approximately how many people would reside or work in the completed project? 2 people in the evidence building if the building is constructed. j. Approximately how many people would the completed project displace? 0 k. Proposed measures to avoid or reduce displacement impacts, if any. N/A 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any. N/A 9. HOUSING a. Approximately how many units would be provided, if any?Indicate whether high,middle,or low-income housing. N/A b. Approximately how many units, if any,would be eliminated?Indicate whether high,middle,or low-income housing. N/A c. Proposed measures to reduce or control housing impacts, if any. N/A 10. AESTHETICS a. What is the tallest height of any proposed structure(s),not including antennas;what is the principal exterior building material(s)proposed? The proposed building will be approximately 60' by 100' and will be approximately 24'tall at its highest point. The building aesthetical type will be in a style indicative to the northwest with the exterior made of masonry and wood siding. The roof will be a gable pitch facing the street. Bulletin#050-March 18,2003 Page 9 of 16 k:\Handouts-Revised\Environmental Checklist b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any. Cu 7 None 11. LIGHT AND GLARE C U S \`, r a. What type of light or glare will the proposal produce?What time of day would it mainly occur? The proposal will include 250w to 400w parking lot lights mounted on 30' to 40' poles C ; and will be lit at night for safety and security. ` 1,.\\" b. Could light or glare from the finished project be a safety hazard or interfere with views? No c. What existing off-site sources of light or glare may affect your proposal? None d. Proposed measures to reduce or control light and glare impacts, if any. 2t1 I)/ None L LPL 12. RECREATION a. What designated and informal recreational opportunities are in the immediate vicinity? C lL Immediately adjacent to the proposed site is the BPA walking trail. b. Would the proposed displace any existing recreational uses? If so,describe. No c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities L L '1-A-C'` to be provided by the project or applicant, if any. None ' >l { {2 U. 13. HISTORIC AND CULTURAL PRESERVATION a. Are there any places or objects listed on,or proposed for,nation, state,or local preservation registers known to be on or next to the site?If so,generally describe. No b. Generally describe any landmarks or evidence of historic,archaeological,scientific,or cultural importance known to be on or next to the site. Bulletin#050—March 18,2003 Page 10 of 16 k:\I-Iandouts—Revised\Environmental Checklist N/A c. Proposed measures to reduce or control impacts, if any. N/A 14. TRANSPORTATION a. Identify public streets and highways serving the site,and describe proposed access to the existing street system. Show on site plans, if any. The proposed site has direct access to South 333' Street. b. Is the site currently served by public transit?If not,what is the approximate distance to the nearest transit stop? Public transit currently does not serve the proposed site. The nearest transit stop is approximately a quarter mile away. C c. How many parking spaces would the completed project have?How many would the project eliminate? The completed project will have at least 115 parking spaces and as many as 195 parking spaces. There would be no parking spaces eliminated. d. Will the proposal require any new roads or streets or improvements to existing roads or streets, not including driveways?If so,generally describe ' r pu tc or priva .No 9't el k e. Will the project use(or occur in the immediate vicinity of)water,rail,or air transportation?If so, ,31 I J 7 generally describe. No f. How many vehicular trips per day would be generated by the completed project?If known, indicate when peak volumes would occur. 1 ` `L� Less than 10 peak hour trips will be generated by the completed project. �c�.c� ( 5') g. Proposed measures to reduce or control transportation impacts, if any. The City participates in CTR program to promote carpooling and transportation alternitives. Rev ci 15. PUBLIC SERVICES a. Would the project result in an increased need for public services(for example: fire protection, police protection,health care, schools,other)?If so,generally describe. No Bulletin#050-March 18,2003 Page 11 of 16 k:\Handouts-Revised\Environmental Checklist b. Proposed measures to reduce or control direct impacts on public services, if any. N/A 16. UTILITIES a. Circle utilities currently available at the site: electricity,natural gas,water,refuse service, telephone, sanitary sewer,septic system,other. Electricity, natural gas, water, refuse service, telephone, sanitary sewer are all currently available. b. Describe the utilities that are proposed for the project,the utility providing the service,and the general construction activities on the site or in the immediate vicinity that might be needed. For the parking lot, electricity is needed to power the parking lot lights and security cameras and water is needed to water the landscaped areas. For the building, electricity, natural gas, water, telephone and sewer services are needed. C. SIGNATURE The above answers are true and complete to the best of my knowledge. I understand that the lead agency is relying on them to make its decision. SIGNATURE: DATE SUBMITTED: / Bulletin#050—March 18,2003 Page 12 of 16 k:\Handouts—Revised\Environmental Checklist D. SUPPLEMENTAL SHEET FOR NON-PROJECT ACTIONS Because these questions are very general, it may be helpful to read them in conjunction with the list of the elements of the environment. When answering these questions,be aware of the proposal,of the types of activities likely to result from the proposal,and would it affect the item at a greater intensity or at a faster rate than if the proposal were not implemented.Respond briefly and in general terms. 1. How would the proposal be likely to increase discharge to water;emissions to air;production, storage or release of toxic of hazardous substances;or production of noise? Proposed measures to avoid or reduce such increases are: 2. How would the proposal be likely to affect plants,animals,fish,or marine life? Proposed measures to protect or conserve plants,animals,fish,or marine life are: 3. How would the proposal be likely to deplete energy or natural resources? Proposed measures to protect of conserve energy and natural resources are: 4. How would the proposal be likely to use or affect environmentally sensitive areas or areas designated (or eligible or under study)for governmental protection; such as parks,wilderness,wild and scenic rivers,threatened or endangered species habitat,historic or cultural sites,wetlands, floodplains,or prime farmlands? Proposed measures to protect such resources or to avoid or reduce impacts are: Bulletin#050—March 18,2003 Page 13 of 16 k:\Handouts—Revised\Environmental Checklist 5. How would the proposal be likely to affect land and shoreline use, including whether it would allow or encourage land or shoreline uses incompatible with existing plans. Proposed measures to avoid or reduce shoreline and land use impacts are: 6. How would the proposal be likely to increase demands on transportation or public service and utilities? Proposed measures to reduce of respond to such demands are: 7. Identify, if possible,whether the proposal may conflict with local,state,or federal laws or requirements for the protection of the environment. Bulletin#050—March 18,2003 Page 14 of 16 k:\Handouts—Revised\Environmental Checklist ArcIMS HTML Viewer Map E * 5 j ?0034tr 6 ,ERAS V11AY il Legend #414,.. 6'd x p# t d .s. Pateog 13i.31 �� `....... a 9 ya�; ! F9defei Way Cily Lets pQ c� �.K.'.:?:•---1' tSttect at t r 4t t c, t a {_� . ,. `.,. t'stia Streets rw z /� 1 f ts.ras a tr i a 41 r y `` �� FREEWAY r ' \ ` $�+ Lakes w tit s y. rSt O(re `' Adj�ce N,\ vot..-------:7•:-..',•..* , ; . _ 19 1417m 11 �� E O�f.lina ,> cs � .:..'Yr ._._.._....---- €ed�zt Way ��IJ"'_ Fire Ili arm£: •' Kola/l?isrn�aisa�oorfmiied>zyNOwa�aifa. # ., i,I F'a-zee in• Taaaata PugetSaund I I I FEDERAL WAY 101) _ROR - Your Community Newspaper - Affidavit of Publication Debbie Kaufman, being first duly sworn on oath, deposes and says that she 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 by City of Federal Way L-679 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 21st day of January, 2004 , and ending on the 21st day of January, 2004 , 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 $112.88, 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 26th day of January, 2004. Notary Public in and for the State of Washington, Residing at Federal Way r4- 1414 SO.324TH STREET,SUITE B210,FEDERAL WAY,WA 98003 ■ 253-925-5565 ■ FAX:253-925-5750 CITY or rW *I+L WAY Hallos r#laird Vbep� Nem Maw C�ly fi {,Poarkirg Description: Proposal to develoj'!'oan ap- proximately 115-stall parking lot for the new Federal Way City Hall (phase I). The pro- posed parking lot will be located on vacant land on the north side of South 333rd Street, Moth of the future City Hall building.A future phase II expansion of the proposed parking. I lot may occur in the future and may include a 1 police evidence building and additional part- ing. The phase II expansion will require a separate land use review at the time of ap- plication. Appicant:City of Federal Way Location: Along the north side of South 333n1 Street at approximately the 600 block. �Da , Application Received: January 6, da1E of Notice of Application: January 21, 2004 Dale Determined Complete: January 16, 2004 11Nsilis Required by this Application: 1. Process Ill Project Approval (File 604- 100036-00-UP) 2. State Environmental Policy Act (SEPA) Elal83-1 05571-00-SE) Environmental Documents: Emi- 1 Checklist, Wetland Determination Rap al , Geotechnical Report, Storm Drain- s.,Technical Information Report fiMwant Environmental Documents Are Avaieble at the Address Below:VIES NO Sment Regulations to Be Used for F Mitigation,Known at this Time:Way City Code (FWCC) Chapter 18, "Environmental Policy" (SEPA); FWCC Ch�pWr 19, "Planning and Development"; FMM, Chapter 21, "Surface and Stormwder Management"; and FWCC Chapter 22, Centy with Applicable City Plane ant Arlgulatton s: The project will be reviewed for consistency wit 01 applicable codes and regulations in- the FWCC Zoning, Environmental Prate on, and Planning and Development; King County Surface Water Design Manual as amended by the City of Federal Way;and Mg County Road Standards as amended 1110 official project file is available for public review at the epartment of Community De- velopment Services (address below). Any potion may submit written comments on the Notice of Land Use Application to the Direc- tor of Community Development Services by February 5, 2004. Only persons that submit written comments to the Director of Commu- nity Development Services or persons that specifically request a copy of the Process Ill decision may appeal the Director's decision. Contact:Jim Harris,Senior Planner, 253-061-4019 City of Federal Way 33590 First Way South PO Sax I1718 Federal Way,WA 96063-9718 Footiten Pub6shed January 21,2004 ` CITY OF CITY HALL Federal Way 33530 1st Way South•PO Box 9718 Federal Way,WA 98063-9718 (253)661-4000 www.cityoffederal way.corn January 21,2004 d Aiwa &An Mr. Bryan Chou City of Federal Way PO Box 9718 Federal Way, WA 98063 Re: File No.04-100035-00-UP; NOTICE OF COMPLETE APPLICATION Federal Way New City Hall Parking Lot; 700 South 333rd Street Dear Mr. Chou: The Department of Community Development Services received your State Environmental Policy Act(SEPA)application on December 30,2003, and Process III application on January 6,2004, for the new City Hall Parking Lot. Upon receipt of the application,City staff reviewed the submittal packet for completeness based on the submittal requirements for SEPA and Process III review. Based on a review of your submittal relative to those requirements for SEPA and Process III review,your application is deemed complete as of January 16,2004.Please consider this as a Letter of Completeness.A Notice of Land Use Application will be published in the Federal Way Mirror on January 21, 2004,which is within two weeks of the date of complete application as required by City code. In addition,at this time, City staff will post other public notice based on City procedures. At this time,we will begin a code-related review of the project. Based on that review, if additional information or modifications to plans are required to meet code,we will notify you in writing. I expect to have my initial technical review completed in approximately two weeks. Please call me at 253-661-4019 if you have any questions. Sincerely, ti lr(1�LL L JIm Harris Senior Planner c: Ken Miller,Public Works Deputy Director Doc.I .25793 DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33530 First Way South PO Box 9718 CITY OF - Federal Way WA 98063-9 7 1 8 253 bb Fax 1-4129 FederaI Way www.cityoffederalway-com DECLARATION OF DISTRIBUTION I, t---1in(15a u :4)6 IeC R,i hereby declare, under penalty of perjury of the laws of the State of Washinbton, that a: ' 1 Notice of Land Use Application/Action 0 Land Use Decision Letter ❑ Notice of Determination of Significance ❑ Notice of Public Hearing before the (DS) and Scoping Notice Hearing Examiner ❑ Notice of Environmental Determination ❑ Notice of Planning Commission Public of Nonsignificance (SEPA, DNS) Hearing ❑ Notice of Mitigated Environmental 0 Notice of LUTC/CC Public Hearing Determination of Nonsignificance (SEPA, MDNS) 0 Notice of Application for Shoreline Management Permit ❑ Notice of Land Use Application & Anticipated DNS/MDNS ❑ Shoreline Management Permit ❑ FWCC Interpretation 0 Adoption of Existing Environmental Document ❑ Other was ❑mailed 0 faxed ❑je-mailed and/or (posted to or at each of the attached addresses on 0 .) lal , 20 -/ Project Name Ak w; FF d ,v'cn l AJcug c 1-1c€ PCPs hjri 2 li-'A l _ File Number(s) OAT / 035—(O" (Jp) 6 — Signature ,,roG � Ocitec4L Date i/g_i/c K:\CD Administration files\Declaration of Distribation.doc/Last p' ed 0-/19/2003 10:30 AM AbhCITY OF Federal Way Notice of Land Use Application Name: New Federal Way City Hall Parking Lot(Phase I) Description: Proposal to develop an approximately 115-stall parking lot for the new Federal Way City Hall(phase I). The proposed parking lot will be located on vacant land on the north side of South 333rd Street, north of the future City Hall building. A future phase II expansion of the proposed parking lot may occur in the future and may include a police evidence building and additional parking. The phase II expansion will require a separate land use review at the time of application. Applicant: City of Federal Way Location: Along the north side of South 333`d Street at approximately the 600 block. Date Application Received: January 6, 2004 Date of Notice of Application: January 21, 2004 Date Determined Complete: January 16, 2004 Permits Required by this Application: 1. Process III Project Approval(File#04-100035-00-UP) 2. State Environmental Policy Act(SEPA)(File#03-105571-00-SE) Existing Environmental Documents: Environmental Checklist, Wetland Determination Reports,Geotechnical Report, Storm Drainage Technical Information Report Relevant Environmental Documents Are Available at the Address Below: X YES NO Development Regulations to Be Used for Project Mitigation, Known at this Time: Federal Way City Code(FWCC)Chapter 18,"Environmental Policy"(SEPA); FWCC Chapter 19,"Planning and Development"; FWCC Chapter 21,"Surface and Stormwater Management";and FWCC Chapter 22,"Zoning" Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the FWCC Zoning, Environmental Protection, and Planning and Development;King County Surface Water Design Manual as amended by the City of Federal Way; and King County Road Standards as amended by the City. The official project file is available for public review at the Department of Community Development Services(address below). Any person may submit written comments on the Notice of Land Use Application to the Director of Community Development Services by February 5,2004.Only persons that submit written comments to the Director of Community Development Services or persons that specifically request a copy of the Process III decision may appeal the Director's decision. Contact: Jim Harris, Senior Planner, 253-661-4019 City of Federal Way 33530 First Way South PO Box 9718 Federal Way, WA 98063-9718 Published in The Federal Way Mirror: January 21,2004 Doc#25775 -..1076.1.1fiNWeiiiii4173traattiCSeeitt2ZZ:istastorsatign06 0 SITE-1 WAY cn ‘ft*****11114\ CJ\ NO SCALE •• • d-CN\ t.7 5 e2 0- 4 a_ 336TH STREET Q- q-c) Cruptis DRit,E 0 0 VICINITY MAP SCALE:1"=2560' _ . . . . Posted Locations 1. Federal Way Regional Library—34200 1st Way South, Federal Way, WA 2. Federal Way 320th Branch Library—848 South 320th Street, Federal Way, WA 3. Federal Way City Hall—33530 1st Way South, Federal Way, WA 4. Project Site—Along the north side of South 333`d Street at approximately the 600 block. l DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES A. 33530 First Way South PO Box 9718 CITY OF --�-;;,;,, � Federal Way WA 98063-9718 Federal IVai 253-661-4000; Fax 253-661-4129 www.citvoffederalway.com • DECLARATION OF DISTRIBUTION I, t . ; hereby declare, under penalty of perjury of the laws of the State of W�ti ,,ashington, thci * Notice of Land Use Application/Action 0 Land Use Decision Letter ❑ Notice of Determination of Significance 0 Notice of Public Hearing before the (DS) and Scoping Notice Hearing Examiner ❑ Notice of Environmental Determination 0 Notice of Planning Commission Public of Nonsignificance (SEPA, DNS) Hearing ❑ Notice of Mitigated Environmental ❑ Notice of LUTC/CC Public Hearing Determination of Nonsignificance (SEPA, MDNS) 0 Notice of Application for Shoreline Management Permit ❑ Notice of Land Use Application & Anticipated DNS/MDNS 0 Shoreline Management Permit ❑ FWCC Interpretation 0 Adoption of Existing Environmental Document ❑ Other was mailed 0 faxed 0 e-mailed and/or 0 posted to or at each of the attached addresses on jegazdea;_g_f_, 209Zif Project Name 4,- J e,i,„,0 � ! (32Z, G j) File Number(s) U�-WG3v chi --14.1 l' ( 3 /G675-7(--6"Se Signature L _ .r, < - Date / ;', Y K:\CD Administration Files\Declaration of Distribution.doc/Last printed 11/21/2003 1:40 PM lkiibk CITY OF Federal Way Notice of Land Use Application Name: New Federal Way City Hall Parking Lot(Phase I) Description: Proposal to develop an approximately 115-stall parking lot for the new Federal Way City Hall(phase I). The proposed parking lot will be located on vacant land on the north side of South 333`d Street, north of the future City Hall building. A future phase II expansion of the proposed parking lot may occur in the future and may include a police evidence building and additional parking. The phase II expansion will require a separate land use review at the time of application. Applicant: City of Federal Way Location: Along the north side of South 333`d Street at approximately the 600 block. Date Application Received: January 6, 2004 Date of Notice of Application: January 21, 2004 Date Determined Complete: January 16,2004 Permits Required by this Application: 1. Process III Project Approval(File#04-100035-00-UP) 2. State Environmental Policy Act(SEPA)(File#03-105571-00-SE) Existing Environmental Documents: Environmental Checklist, Wetland Determination Reports, Geotechnical Report, Storm Drainage Technical Information Report Relevant Environmental Documents Are Available at the Address Below: X YES NO Development Regulations to Be Used for Project Mitigation, Known at this Time: Federal Way City Code(FWCC)Chapter 18,"Environmental Policy"(SEPA); FWCC Chapter 19,"Planning and Development"; FWCC Chapter 21,"Surface and Stormwater Management"; and FWCC Chapter 22, "Zoning" Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the FWCC Zoning,Environmental Protection, and Planning and Development;King County Surface Water Design Manual as amended by the City of Federal Way; and King County Road Standards as amended by the City. The official project file is available for public review at the Department of Community Development Services(address below). Any person may submit written comments on the Notice of Land Use Application to the Director of Community Development Services by February 5,2004.Only persons that submit written comments to the Director of Community Development Services or persons that specifically request a copy of the Process III decision may appeal the Director's decision. Contact: Jim Harris, Senior Planner, 253-661-4019 City of Federal Way 33530 First Way South PO Box 9718 Federal Way, WA 98063-9718 Published in The Federal Way Mirror: January 21, 2004 Doc#25775 -.,-.....,,...Slickfc.c..4..........4.c....:k.....---,-......,,...-...........,..----................,___,...____. - - (ed° C) 44%e\ 0 D in a SITED WAY 0 D 0 >-- < 3 .--1- NO SCALE •, .. C: 0 0 < 0• 4 ''S 5 O. • 1114 33611-1 STREET 12- 4., 't- (2 '1 •C OL CAmpus \iws (Mitt- 0 4131 sol VICINITY MAP NSCALE:l =2560' • v 0 0 (.1 0 0 Nr c/) 000 co co 0 ((0 O O O O 0) ' 0 0 5 00) 0 00) 00) a 0 0 M 0 V CO aaa OOO < rn , , oaocoa u) aaaaag x < Q a Za w cn cn w w 2 N § g J w a J J L,LL, W cl z a ❑ ❑ ❑ a ❑ W Q< a J ❑LU J z ❑ Z -0 WWW WWW aulwwwwmw O < u. W W COWM Cr) (/) cnmlLmalL I— a 0 J x d 0 0 d 0 CC 2 H ❑ ❑ >- a M W W C W J aoowwco W W U ❑ UU > WYa2M Q 0N ---I0 ` 0 N MM � ❑ azaj LOt~OXMmaa m a Z p Z W 0 0 0 Z " N (0 t(j 0 co (0 (0 CO m 0) 00) m co a Ts - O M O 0 0 g , 7- O O N O O d < M co M 0 d CO N 0. A-- A- d 0) .- d d X W 0 Z Z 0 w 1- 0Q DUE OF wU a < E0 JJ F= z = Q Q o W Z Z U a Z } p }❑ iz ww Zcaa ~ C� 0 � � g � J J d W p ar m = W 0 O NO 0 0L. LIOErw «sw Z U Z W Z Z Z _ W W H m ' W ❑ O - o w 00 a a aw w w = g -,w p 0 = Z a0 H x w 0 2 2 ❑ - W 2 W p F- 0 0 0 -j D 2 p p 2 a ❑ -a x 00000000 W O O C) , 0 0 0 0 co tO 0 00 0 O cc ` 0) O 0 N N N CO I,- I,- 0) 0 tp (p 0) tO (0 - e- N N N N ❑ 2 000) OOO OOOOOOOO ❑ O O tt O O 0 0 0 O O 0 O O a E 'd' O O N- O O O O O O O O O z '- '- '- N-- �' to tO 0 tO tO tO tp tO LO O N N N N CO CO CO CO CO CO CO CO CO CO ZIli � N- e~-- C ON) 0)0) 0) Cr)N 0N) ON) 0 0) J 0 V 2 a DEPT OF ECOLOGY JAMEY TAYLOR PUGET SOUND AIR ENVIRONMENTAL REVIEW SEC DNR SEPA CENTER POLLUTION CONTROL AGENCY PO BOX 47703 PO BOX 47015 110 UNION ST STE 500 OLYMPIA WA 98504-7703 OLYMPIA WA 98504-7015 SEATTLE WA 98101-2038 GARY KRIEDT KING COUNTY TRANSIT DIV FWFD FEDERAL WAY DISPOSAL ENV PLANNING MS KSC-TR-0431 31617 1ST AVE S PO BOX 1877 201 S JACKSON ST FEDERAL WAY WA 98003 AUBURN WA 98071 SEATTLE WA 98104-3856 JOE ELTRICH CRAIG GIBSON CAMPUS GLEN HOA TACOMA WATER DIVISION TACOMA PUBLIC UTILITIES 32806 6TH PL S PO BOX 11007 PO BOX 11007 FEDERAL WAY WA 98003 TACOMA WA 98411 TACOMA WA 98411 PAUL ALEXANDER MARY AUSBURN JILL GASTON REALTY SPEC METRO TRANSIT PSE BPA 201 S JACKSON ST MS KSCTR0413 6905 S 228TH ST SKC-SVC 914 AVE"D" SEATTLE WA 98104-3856 KENT WA 98032 SNOHOMISH WA 98290 BRYAN CHOU CITY OF FEDERAL WAY PO BOX 9718 FEDERAL WAY WA 98063 0 CO co co co co Co co O O O co co O O co co co co OO) 0)co 0) 0)) ¢ 00 o a- a) ¢ ¢ ¢ COO ¢ " - O ¢ o o ¢ o p o w rn rn o >- >- >- 0 >- zCnrn ¢ >- ¢ Z } � � � < a0)) � � w � wz0a "co _ ¢ ¢ ¢ J q L t`J J R ¢ ~ ¢ M d W W W L.G O 1_ F w W w U W oo 'C ppp ¢ p WWW � ¢ ¢ JpJZp M 13 W W W W W W W W W W W E W ,) a IL U. U- (n IL 2 co co m IL m a. IL /- N A- Cn .,J Y o LO <. W Y W - d I C I- p J U >- ¢ W W tX ---�� t. - 1_ d ' < J J >¢ W W W H p ', v --ate W I- 1- > cc ¢ Q O 2 W O 1- U J (/) (n () H N W 2 2 M I- J 0 n v T. O �t CO co CA v O co c`i Z z X M m X X f - Z N CO 2 0 m (0 (a 0 m co 1 m COJ ¢ — oM o0v .- r- O0N00 v a < M M C') CO 0. co N- c- 0.. co , d d v J �" X s ., O C l YZ O ,.,- p p U E F- W U a ¢ -� I- comww w `J -J¢ co + I- I- 0 d z � pwww ZZ zO� a < v - J -� HOUV � Wap -� -� -I W W U '- W c < I= WUU � H ((J) U � C 2 ¢ W p p IL E. 0 W .5 W = c=, W U z p Z Z W ,Li- U W m p CC O � Q� � > OOO ¢ ccmz � O i H N 0 8 W zQ E o a 2 O 0 X03 YY } )- < -I 3 In 2 2 a aOYU Y _1 = OOOOU00O '� W O O M ,- O o O co Lo 0 CO 0 0 :J re ` Cr) 0 0 N N N I- I"- 0) 0 LO CO O) 0• 2 O (0 co co O o 0 0 0 0 N 0 0 7 v- 0 0 0 0 0 0 ,1'1 ¢ E O o 0 Co0 d 0 O N- 0 0 0 0 0 0 0 0 7 - 1- 1-- 1- d' L() LI) LI) LO L() U) In 1.0 -y 0 z N N N N CO CO O (0 CO CO CO (0 CO v M M N- I` N N N N N N N N N Z d N- ' e- O) 0) 0) O) O) cm CA CA O) -' J C) ¢ CO r 1161 DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES 33530 First Way South PO Box 9718 CITY OF Federal Way WA 98063-9718 Fed e ra I VVay253-661-4000; Fax 253-661-4129 www.cityoffederalway.com DECLARATION OF DISTRIBUTION .--?I, C �g hereby declare, under penalty of perjury of the laws of the State of Washington, that • XNotice of Land Use Application/Action 0 Land Use Decision Letter ❑ Notice of Determination of Significance 0 Notice of Public Hearing before the (DS) and Scoping Notice Hearing Examiner ❑ Notice of Environmental Determination 0 Notice of Planning Commission Public of Nonsignificance (SEPA, DNS) Hearing ❑ Notice of Mitigated Environmental 0 Notice of LUTC/CC Public Hearing Determination of Nonsignificance (SEPA, MDNS) 0 Notice of Application for Shoreline Management Permit ❑ Notice of Land Use Application & Anticipated DNS/MDNS 0 Shoreline Management Permit ❑ FWCC Interpretation 0 Adoption of Existing Environmental Document ❑ Other was 0 mailed 0 faxed xe-mailed and/or 0 posted to or at each of the attached addresses on 2003. Project Name /(e - r�c 0 0afis,, &Zee a ,...,File Number(s) O -/0 0�5` - J G3 -/Gv b 7/-f Sr K----rc---- Signature Date / /1 o ` * K:\CD Administration Files\Declaration of Distribution.doc/Last printed 11/21/2003 1:40 PM Page 1 of 1 Tina Piety - Legal Notice From: Tina Piety To: admin@fedwaymirror.com; dgrigg@soundpublishing.com Date: 1/16/2004 3:14 PM Subject: Legal Notice Hello, Please publish the attached legal notice (City Hall Parking Lot NOA, #04-100035-00-UP) in Wednesday's (1/21/04) issue. Please furnish an affidavit of publication. Thank you, Tina file://C:\Documents%20and%20Settings\tinap\Local%20Settings\Temp\GW}00001.HTM 1/16/2004 Page 1 of 1 Tina Piety - Re: Legal Notice From: "Deb Grigg" <dgrigg@soundpublishing.com> To: "Tina Piety" <Tina.Piety@cityoffederalway.com> Date: 1/16/2004 3:20 PM Subject: Re: Legal Notice Got it! Have a nice weekend. ----Original Message--- From: Tina Piety To: adminfedwaymirror.com ; dgriggsoundpublishing.com Sent: Friday, January 16, 2004 3:14 PM Subject: Legal Notice Hello, Please publish the attached legal notice (City Hall Parking Lot NOA, #04-100035-00-UP) in Wednesday's (1/21/04) issue. Please furnish an affidavit of publication. Thank you, Tina file://C:\Documents%20and%20Settings\tinap\Local%20Settings\Temp\GW}00001.HTM 1/16/2004 Nib. CITY OF Federal Way Notice of Land Use Application Name: New Federal Way City Hall Parking Lot(Phase I) Description: Proposal to develop an approximately 115-stall parking lot for the new Federal Way City Hall(phase I). The proposed parking lot will be located on vacant land on the north side of South 333`d Street,north of the future City Hall building.A future phase II expansion of the proposed parking lot may occur in the future and may include a police evidence building and additional parking.The phase II expansion will require a separate land use review at the time of application. Applicant: City of Federal Way Location: Along the north side of South 333`d Street at approximately the 600 block. Date Application Received: January 6,2004 Date of Notice of Application: January 21,2004 Date Determined Complete: January 16,2004 Permits Required by this Application: 1. Process III Project Approval(File#04-100035-00-UP) 2. State Environmental Policy Act(SEPA)(File#03-105571-00-SE) Existing Environmental Documents: Environmental Checklist,Wetland Determination Reports,Geotechnical Report, Storm Drainage Technical Information Report Relevant Environmental Documents Are Available at the Address Below: X YES NO Development Regulations to Be Used for Project Mitigation, Known at this Time: Federal Way City Code(FWCC)Chapter 18,"Environmental Policy"(SEPA); FWCC Chapter 19, "Planning and Development"; FWCC Chapter 21,"Surface and Stormwater Management";and FWCC Chapter 22,"Zoning" Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the FWCC Zoning,Environmental Protection,and Planning and Development;King County Surface Water Design Manual as amended by the City of Federal Way; and King County Road Standards as amended by the City. The official project file is available for public review at the Department of Community Development Services(address below).Any person may submit written comments on the Notice of Land Use Application to the Director of Community Development Services by February 5,2004.Only persons that submit written comments to the Director of Community Development Services or persons that specifically request a copy of the Process III decision may appeal the Director's decision. Contact: Jim Harris, Senior Planner,253-661-4019 City of Federal Way 33530 First Way South PO Box 9718 Federal Way,WA 98063-9718 Published in The Federal Way Mirror:January 21,2004 Doc#25775 146, CITY OF Federal Way Notice of Land Use Application Name: New Federal Way City Hall Parking Lot(Phase I) Description: Proposal to develop an approximately 115-stall parking lot for the new Federal Way City Hall(phase I). The proposed parking lot will be located on vacant land on the north side of South 333`d Street, north of the future City Hall building. A future phase II expansion of the proposed parking lot may occur in the future and may include a police evidence building and additional parking. The phase II expansion will require a separate land use review at the time of application. Applicant: City of Federal Way Location: Along the north side of South 333rd Street at approximately the 600 block. Date Application Received: January 6, 2004 Date of Notice of Application: January 21, 2004 Date Determined Complete: January 16, 2004 Permits Required by this Application: 1. Process III Project Approval (File#04-100035-00-UP) 2. State Environmental Policy Act(SEPA)(File#03-105571-00-SE) Existing Environmental Documents: Environmental Checklist, Wetland Determination Reports, Geotechnical Report, Storm Drainage Technical Information Report Relevant Environmental Documents Are Available at the Address Below: X YES NO Development Regulations to Be Used for Project Mitigation, Known at this Time: Federal Way City Code(FWCC)Chapter 18, "Environmental Policy"(SEPA); FWCC Chapter 19,"Planning and Development"; FWCC Chapter 21, "Surface and Stormwater Management"; and FWCC Chapter 22, "Zoning" Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the FWCC Zoning, Environmental Protection, and Planning and Development;King County Surface Water Design Manual as amended by the City of Federal Way; and King County Road Standards as amended by the City. The official project file is available for public review at the Department of Community Development Services(address below). Any person may submit written comments on the Notice of Land Use Application to the Director of Community Development Services by February 5,2004.Only persons that submit written comments to the Director of Community Development Services or persons that specifically request a copy of the Process III decision may appeal the Director's decision. Contact: Jim Harris, Senior Planner, 253-661-4019 City of Federal Way 33530 First Way South PO Box 9718 Federal Way, WA 98063-9718 Published in The Federal Way Mirror: January 21, 2004 Doc#25775 02 'O35go -aD Ab Clo+ A) a 2 ,o356//- Ab ((ok.B) 1 . rg 0 2- 16. 612-0 AJ ( (ofE) l 1110112th Avenue NE,Suite 300 QUADRANT PO Box130 A Weyerhaeuser Business Bellevue WA 98009-0130 Tel(425)455 2900 w. Fax(425)646 8377 `, V\ wwquadrantcorp.com ;`�'1 8/22/02 nA Greg Fewins 6 00 S, 33 f i-. Senior Planner City of Federal Way 33530 lrst Way South Federal Way, Washington, 98003-6221 RE: WEST CAMPUS LOTS A, B, &E, WETLAND CONSULTANT Dear Greg, Per our phone conversation yesterday, Quadrant would like to request that the City of Federal Way coordinate to have Adolfson& Associates meet Talasaea on site in West Campus to determine if any wetland features exist on the above mentioned properties. After the on-site meeting and mutual agreement on findings, both consultants would then prepare reports to be submitted to the City of Federal Way. I have enclosed a map and check for$ 700.00 to cover estimated expenses for the City's outside consultant. If you should have any questions regarding this matter please do not hesitate to call me at 425-452-0344. Sincerely, THE QUADRANT CORPORATION, 9/1A 17444-* Jeff Roberts Senior Project Manager Cc: Talasaea Consultants A qj 3OO -6110 E 42650o - 03/to Site Plan . . . , 5 3h Exlt 143, ¢ 111 m ` Sea-Tac ° WESTBORO '' Mall -� - > - - pth AveS 3 ' Nis CELEBRATION $ THE COVE EAST B�, PARK West P�® a Aa '.d Camc. pus • 33n1h5c D2 � o THE COVE WEST • iv 2@ 1III��y ill" 4 D3 S 348th St 5 Exit 142E I ° E zot „ii 0011 Ill All CAMPUS VIEW �140 Z lli OPEN CAMPUS SPACE CAMPUS III CENTER VIEW ARO o mu CAMPUS VIEW SEATTLE BULK MAIL CENTER 'CJN 50 E ?J FEDERAL WAY -`' REGIONAL C LIBRARY `2 D PANTHER LAKE O ELEMENTARY ST.FRANCIS SCHOOL COMMUNITY VI HOSPITAL Z a I Lots Available This plan is conceptual.The buildings,parks and site plans may be amended at any time by the developer. Lot Approx.Acres Zoning A 1.46 Office Park B 1.29 Office Park D2 1.50 Office Park D3 2.00 Office Park E 3.04 Office Park West Campus Business /Office Properties QUADRANT • F.AVED MEMORANDUM 0 2003 cG DEPWAY t DING DEPT. ADOLFSOPI DATE: April 24, 2003 r SO Wa-f0I�5 TO: Mr. Greg Fewins, City of Federal Way Erwiro,,ment� FROM: Teresa Vanderburg, Interim Director of Natural Sciences CC: Lizzie Zemke RE: Quadrant West Lot A—Off-site Wetland Determination Adolfson Associates, Inc. (Adolfson) is pleased to provide this technical m moranduo summarizing review of the Quadrant West Campus Lot A in Federal Way, This parcel is approximately 1.2-acres in size and is located on South 333`d Street, immediately northeast of a parcel owned by the Lakehaven Sewer District. The Lakehaven Sewer District operates a well on its property. This memorandum summarizes our review of hydrologic information provided to the re sults fros1 of Talasaea Consultants, LLC (Talasaea) in a letter dated April 22, 2003 eld investigations in regard to off-site wetlands conducted on April 23,2003. Adolfson staff members Lizzie Zemke and Teresa Vanderburg conducted off-site an earlier wetlands were review of Lots A and B in September 2002. At that time, potential identified in the Lakehaven Sewer District parcel to the southwest of Lot A and in the Bonneville Power Administration(BPA) easement to the northwest of Lot A. Bill Shiels of Talasaea was present at the site visit. At that time, it was determined that near LotaAdditional information was needed regarding potential wetland areas located Wetland identifications and delineations are based upon the metdology outlined g and Delineating in the Washington State Department of Ecology Manual for Identifyin Wetlands (1997). On behalf of the Quadrant Corporation, Talasaea provided additional information for the potential wetlands within the Lakehaven Sewer District property in a letter to the City dated April 22, 2003. The Talasaea letter provides data on recorded water levels in the Lakehaven property and in the BPA easement as sampled in six test pits during the time period of April 11th through April 20th, 2003. Standing water was recorded easement s followingof approximately 30 inches in the Lakehaven Sewer District facility and BPA following a large rain event during the weekend of April 12th and 13th, 2003. According to Talasaea's data, this surface water had fully drained from the site by the morning of April 17th, with no groundwater observed to a depth of 20 inches below the surface by April 18th. This data indicates that the potential wetland areas may receive large amounts of stormwater during rainfall events, but do not hold this water sufficiently long enough ADOLFSON ASSOCIATES, INC. 5309 Shilshole Avenue NW, Suite 200 Seattle,WA 98107 Tel 206 789 9658 Fax 206 789 9684 to display soils that are saturated during 12.5 percent of the growing season as required to determine the area is wetland. olka and Oliver Graham from Talasaea on site on April 23, 2003 to view I met Teresa O p these areas in the field during spring the s rin growing season. It is our understanding from discussions with Talasaea staff and from data provided in their letter that it is their professional opinion that the areas tested do not meet criteria the for wetland hydrology yd of gy or wetlands soils. Soils were sampled on April 23, 2003 area and in BPA easement northwest of the Lakehaven facility near 1 the fence. Soils 2/2 were . comprised of approximately six to eight inches of dark brown silt without mottles) over a bright reddish brown sandy loam (rsoil h4/4 and 4/3 . Ve oval indistinct and infrequent mottles were present in the concretions. These soils are coarse and appear to drain rapidly. Saturation within the top 12 inches of the soil was not observed during the site visit on April 23, 2003 in the Lakehaven Sewer District property or in areas tested in the BPA easement near the fence. II The vegetation in the topographically low areas of the Lakehaven Sewer District is prised of willow, red alder, black cottonwood and Douglas spiraea. Vegetation in comprised off-site potential wetlands in the BPA easement Vprimarily t Douglas spiraea.eas of bothe of vegetation is considered facultative or facultative upland and wetland, especially areas with a history apparentlyf priordisturbance. tbance. Although lthou n ponds they P do not meet the criteria for wetland, these areas arerain events. and are important for temporary storage of stormwater during land A wetland meeting all three parameters (vegetation,of then and public trail and hydrology) of the identified off-site in the BPA easement, northeast ten red flags. The wetland pedestrian bridge. Talasaea delineated this�'�' tland area using 100 feet of Lot A. The area delineated as I boundary delineated does appear to lie within wetland displayed saturated soils at 12 to 14 inchessoils meeting the criterion for Douglas spiraea) was dominant hydric soils in the state manual. Hydrophytic vegetation in this area. The spiraea-dominated wetland identified e the BPAfo corridor is part ofub larger system extending to the north and would be classified community according to the Cowardin system As per the Federal Way Municipal Code, the off-site wetland would be considered a Category I Talasaea wetland the conhtacted cdard buffer of 100 feet (FWMC 22-1357). It is my understanding that professional land surveyor and that a survey drawing will be prepared for City review as soon as possible. In addition, we recommend that dTalasaeaon, including data plot documentation of the wetland determination and information, for City review. 1 Thank you for requesting our services. If you have any questions or need further information, please do not hesitate to call me at (206) 789-9658. ADOLFSON ASSOCIATES, INC. 5309 Shilshole Avenue NW, Suite 200 Seattle, WA 98107 Tel 206 789 9658 Fax 206 789 9684 0 RECENE[s DEC 3 0 2003 CITY OF FEDERAL WAY BUILDING DEPT. Geotechnical Report Federal Way City Hall Proposed Parking Lot Federal Way, Washington October 31, 2003 Prepared for City of Federal Way P.O. Box 9718 Federal Way, Washington 98063 14 LANDAU ASSOCIATES 4210 20th Street East, Suite F Tacoma,WA 98424 (253) 926-2493 TABLE OF CONTENTS 1 Page INTRODUCTION 1 • PROJECT DESCRIPTION 1 1 SCOPE OF SERVICES 1 SITE CONDITIONS General Geologic Conditions 2 Surface Conditions 2 Subsurface Conditions 3 Groundwater Conditions 3 4 CONCLUSIONS AND RECOMMENDATIONS Site Preparation and Earthwork 4 Subgrade Preparation 4 Fill and Compaction 5 Wet Weather Earthwork 5 Planned Cuts and Fills 7 Temporary and Permanent Slopes 8 8 Asphalt Pavement 9 9 GEOTECHNICAL CONSULTATION AND CONSTRUCTION MONITORING 10 USE OF THIS REPORT 10 REFERENCES 11 LIST OF FIGURES Figure Title 1 Vicinity Map 2 Site Plan APPENDICES Appendix Title A FIELD EXPLORATIONS AND LABORATORY TESTING 10/31/03 I\DATA1PROJEC1\238U 38.01o\FW PARKING LOT REPORT.DOC 11 LANDAU ASSOCIATES INTRODUCTION This report summarizes the results of design-phase geotechnical engineering services conducted for the new parking lot and associated site improvements proposed adjacent to the Federal Way City Hall in Federal Way, Washington. The general project location is shown on the Vicinity Map(Figure 1). The general configuration of the proposed improvements and some of the existing site features are shown on the Site Plan (Figure 2). j This report has been prepared based on our discussions with Ken Miller of the City of Federal Way and David A. Clark, Architects, a schematic parking lot layout provided by David A. Clark Architects; data collected during our field exploration and laboratory testing programs; our familiarity with geologic conditions within the vicinity of the site; and our experience on similar projects. PROJECT DESCRIPTION We understand that the City of Federal Way is planning to construct a new parking lot north of their existing facility located at 33325 8`'' Avenue South. The parking lot will be about 240 by 465 ft in plan dimensions with about 212 spaces. Cuts and fills of up to about 5 to 7 ft are anticipated. A stormwater bioswale is planned along the west side of the parking lot. The site is currently forested and undeveloped. SCOPE OF SERVICES The purpose of our services was to provide the City of Federal Way (City) and their design lif consultants with information related to subsurface conditions and geotechnical engineering design criteria and recommendations for design and construction of the proposed parking lot and associated site improvements. Information obtained from the field exploration and laboratory testing programs, conducted as part of this study,provided the basis for our conclusions and geotechnical recommendations. Our scope of services was outlined in our September 24, 2003 proposal to the City. Written authorization to proceed with these services was provided by the City on October 1, 2003. Specifically, the scope of our services included: • Obtaining utility clearances prior to performing field activities. • Excavating a series of test pits within the area of the proposed parking lot and stormwater bioswale_ • Logging each soil unit observed in the test pits and recording pertinent information including 1 soil sample depths, stratigraphy, soil -engineering characteristics, and groundwater occurrence. I 10/3IN3 I:\DATA\PROJECi\238\113NII10\FW PARKING LOT REPORT.DOC 1 LANDAU ASSOCIATES I • Conducting limited laboratory testing. • Performing engineering analyses in support of our conclusions and recommendations. • Submitting this written report summarizing our findings, conclusions, and recommendations regarding: - Site preparation and earthwork including clearing, grubbing, and stripping; wet weather construction considerations; fill placement and compaction criteria; reuse of on site soil for fill; import fill requirements; maximum temporary and permanent slopes; and pavement subgrade preparation and design pavement sections for parking and drive areas - Geotechnical monitoring and consultation during construction. I SITE CONDITIONS This section discusses the general surface and subsurface conditions observed at the project site at the time of our field investigation. Interpretations of the site conditions are based on the results of our review of available information, site reconnaissance, subsurface explorations, and laboratory testing. GENERAL GEOLOGIC CONDITIONS The geologic setting of the project area has been largely influenced by advancing and retreating 3 glacial ice. During the Pleistocene Epoch (early Quaternary), 2 million to 10,000 years before the present (ybp), vast continental ice sheets advanced into the Puget Sound region. Evidence indicates that there were at least six advances of the continental ice into the region during the Pleistocene Epoch. The latest glacial advance, referred to as the Vashon Stade of the Fraser Glaciation, occurred between about 22,000 and 12,000 ybp and had the greatest effect on the present-day landscape. The last cycle of advance and retreat resulted in the present day topographic expression of the area and much of the near-surface soil deposits. e General geologic information for the project site was obtained from the Geology of the Poverty Bay Quadrangle, Washington (Waldron 1961), published by the U.S. Geological Survey. According to Waldron, near-surface deposits in the vicinity of the project site consist of glacial till (lodgment till). Soil defined as lodgment till typically consists of a dense to very dense, unsorted mixture of boulders,cobbles, gravel, and sand in a matrix of silt and clay with some lenses of sorted, stratified sand and gravel. This unit typically exhibits low permeability and high shear strength,characteristics resulting from compaction by the weight of the overlying glacier. Portions of the lodgment till are overlain by a less dense soil of similar composition,termed ablation till. The lower density of the ablation till results from deposition by 11 nearly stagnant ice without being overridden by the weight of an active, advancing glacier. I IROI/03 I:\DATA\PROJEC URI\13RU10\FW PARKING LOT REPORT.DOC 2 LANDAU ASSOCIATES 11 I . SURFACE CONDITIONS The site of the proposed Federal Way City Hall parking lot is undeveloped, with no surface Ievidence of substantial cut and fill on the site. The site is bounded to the south by South 333rd Street (for the purpose of project descriptions, South 333rd Street is assumed to run east-west), to the east by an Iexisting parking lot, Bonneville Power (BP) right-of-way and to the west by a utility building. The site has about 30 ft of relief, ranging in elevation from about elevation 320 ft in the northwest corner to about elevation 350 ft along a ridge that runs diagonally throughout the site from southwest to northeast. Site vegetation consists of low to medium height grasses, shrubs, vines, and small groups of conifer and deciduous trees ranging from about 6 to 40 inches in diameter. Surface water was not lI encountered at the site at the time of our field investigation. SUBSURFACE CONDITIONS Subsurface conditions were explored by advancing a total of eight test pits with a tracked excavator on October 10, 2003. Locations of the test pits, identified as LTP-I through I,TP-8, are iii illustrated on the Site Plan, Figure 2. The following discussion is based on conditions observed in the test pits, the results of laboratory soil testing, and observations of existing site topography. A discussion of the field exploration and test procedures, together with edited exploration logs, is presented in Appendix A. Subsurface conditions observed in the-test pits excavated across the site are relatively uniform, consisting of topsoil overlying ablation till and lodgment till. The topsoil generally consists of brown, 4 loose to medium dense, organic, silty sand with variable amounts of gravel, cobble, and roots. Topsoil was observed in the test pits to depths between about 0.5 and 1.0 ft below ground surface(BGS). The ablation till typically consists of medium dense, gravelly, silty sand with variable amounts of ii cobble. The ablation till is slightly weathered with a red-brown to light brown color, minor amounts of organics, and was observed in the test pits to extend to depths of 2.5 to 3.5 ft BGS. The ablation till is 1 underlain by lodgment till which generally consists of dense to very dense, gravelly, silty sand to silty, sandy gravel with variable amounts of cobble. Exploration LTP-6 encountered a 0,5 ft thick layer of illaminated silty sand to sandy silt at about 4 ft BGS. Exploration LTP-7 encountered a 1.5 ft thick layer of clean, sandy gravel at about 4.5 ft BGS. The lodgment till is relatively unweathered with a gray color. ___-" The explorations did not extend through the lodgement till into underlying soil units. A A 10/31/113 I\DATA\PROJECT\238U138010\FW PARKING LOT REPORT.DOC 3 LANDAU ASSOCIATES A GROUNDWATER CONDITIONS At the time of our subsurface investigation in October 2003, groundwater seepage was not observed within the depths explored in our test pits. Based on our experience in the general project area, a seasonal perched groundwater table often develops on top of the relatively impervious lodgement till during the winter/spring months. The thickness of the perched water table is dependent on local subsurface conditions, precipitation amounts, and other factors. The groundwater conditions reported on the test pit logs are for the specific locations and date indicated, and therefore may not necessarily be indicative of other locations and/or times. Furthermore, it is anticipated that groundwater conditions will vary depending on local subsurface conditions, the weather,and other factors. CONCLUSIONS AND RECOMMENDATIONS Based on evaluation of the data collected during this investigation, it is our opinion that subsurface conditions at the site are suitable for the proposed construction,provided the recommendations contained herein are incorporated into the project design. Conventional earthwork methods, underground utility installation techniques, and typical pavement sections are considered feasible for this project. Most of the site soil is moisture sensitive and susceptible to softening and disturbance by construction equipment when wet. Consequently, site-grading operations should ideally be scheduled for the dry summer and early fall months. However, with careful site preparation and the use of select imported structural fill, site grading operations could be accomplished during other periods of the year. Additional conclusions and specific recommendations regarding site preparation and earthwork, subgrade preparation, fill placement and compaction, wet weather earthwork, imported fill, planned cuts and fills, and paved areas are presented in the following sections. SITE PREPARATION AND EARTHWORK Site preparation will include stripping vegetation and topsoil beneath pavements and walkway areas and preparing subgrades beneath future paved areas. Based on the soil conditions observed in our explorations, we anticipate that the onsite soil can be excavated using conventional construction equipment. However, in deeper excavations, it may be necessary to employ heavy ripping and/or other techniques to facilitate excavations that penetrate the unweathered portion of the undisturbed lodgment till. All deleterious material such as trees, grass, roots, organic soil or topsoil, debris, fill, and soft or loose native soil should be stripped from areas to be occupied by pavements or walkways. Stumps should 10/31/03 I:\DATATROJEC URIUOr4.010\FW PARKING LOT REPORT-D(K 4 LANDAU ASSOCIATES I • be overturned with a dozer, or similar piece of equipment, to remove the major portion of the root ball. All incidental excavations made clearing and stripping should be backfilled in accordance with the Irecommendations below. Portions of the site have a thin topsoil zone extending to a depth on the order of 0.5 to 1 ft below the existing ground surface. Topsoil, organic soil, and debris should be segregated from I non-organic soils and disposed of at an approved offsite location. No evidence of previous site improvements, such as existing building foundations, concrete or I asphalt rubble, or other man-made debris were encountered during site explorations. If encountered during site excavation efforts,these materials should be removed from the site. ISUBGRADE PREPARATION I Following clearing, stripping, excavations to grade, and any required overexcavation, and before placement of any structural fill, the exposed subgrade under all areas to receive fill should be compacted to a dense and unyielding condition and proof rolled or with a loaded dump truck, large self-propelled vibrating roller, or equivalent piece of equipment. The purpose of this effort is to identify possible loose I or soft soil deposits and to recompact the soil exposed during site excavation activities. Compaction should be accomplished with appropriate equipment so that the upper 12 inches of exposed subgrade meet I the specifications for structural fill described in this report. Site clearing, proof rolling, and compaction should be observed by a geotechnical representative familiar with site conditions. Areas of loose or soft soil exhibiting significant deflection, pumping, or Iweaving that cannot be adequately reworked and/or compacted should be overexcavated to firm soil. Overexcavated areas should be backfilled with compacted granular material according to the Irecommendations in this report. FILL AND COMPACTION Structural fill used to obtain final elevations for pavements and walkways must be properly Iplaced and compacted. In general, the existing native soil may be used for structural fill provided the material is properly moisture conditioned prior to placement and compaction, and the specified degree of compaction is obtained. If the existing onsite soil is to be reused for structural fill, any particles or other material greater than about 6 inches in diameter should be removed. Excavated site material containing 11 topsoil, wood, trash, organic material, or construction debris will not be suitable for reuse as structural fill and should be properly disposed offsite at an approved location or placed in nonstructural areas of the site IIwhere several inches of post-construction settlement is tolerable. 1 LANDAU ASSOCIATES 10l1 ltti} 19 DATA\PROIEC'I�23NU13&OIIIIFW PARKING LOT REPORT.DOC 1 _ I LI Structural fill should be placed in loose, horizontal lifts less than 8 to 10 inches m thickness and thoroughly compacted. All structural fill in paved areas should be compacted to at least 95 percent of the maximum dry density, as determined using test method ASTM D 1557. The suitability of onsite soil or imported soil for use as structural fill will depend on the gradation and moisture content of the soil when it is placed. As the amount of fines (that portion passing the U.S. Standard No. 200 sieve) increases, the soil becomes increasingly sensitive to small changes in moisture content and adequate compaction becomes more difficult to achieve. Soil containing more than about 5 percent fines cannot consistently be compacted to a dense, non-yielding condition when the water content is greater than about 2 percent above optimum. Optimum moisture content is defined as the moisture content at which the greatest compacted dry density can be achieved. Most of the onsite soils consist of silty sand with varying amounts of gravel. Based on the fines content of these soils, it is expected that much of the onsite soil will be moisture sensitive. As a result, these materials will be suitable for use as structural fill only if placed and compacted during dry weather !. when the moisture content can be maintained near optimum. Natural moisture content determinations and soil moisture-density relationship tests were conducted on representative samples obtained during the field explorations. The purpose of the testing was to determine if the natural moisture content of the site soils would be favorable for soil compaction during fill placement and compaction activities. A summary of the testing is provided in the tables below. The optimum moisture content obtained from the moisture density relationship testing ranged from 7 to 8%. The natural moisture content of the tested samples ranged from about 2 to 10%. According to our evaluation, during the summer to early fall period the onsite soil is near and often below the optimum moisture content for soil compaction, indicating that moisture conditioning could be required to achieve specified relative compaction. The natural moisture content of onsite soils, however, would be expected to increase to percentages possibly well above optimum if the soil is obtained from zones of seepage or if construction is conducted during the wetter months. Moisture-Density Relationship Exploration Number Depth Range (ft) Maximum Dry Density Optimum Moisture (pcf) Content(%) LTP-4 1.5—3.5 135 7 LTP-5 2—4 128 8 I0/31 A13 J:\DATA\PROJECT238W38.010\FW PARKING LOT REPORT.DOG 6 LANDAU ASSOCIATES Natural Moisture Content Exploration Depth (ft) Moisture Exploration Depth(ft) Moisture Number Content(%) Number Content(%) LTP-1 1 7 LTP-5 2 3 LTP-2 3 2 LTP-5 5.5 4 LTP- 3 1.5 7 LTP-6 1 3 LTP- 3 5 4 LTP-6 4 7 LTP-4 1 2 LTP-7 1.5 4 LTP-4 6.5 10 LTP-7 7 10 LTP-5 0.5 9 LTP-8 2 9 WET WEATHER EARTHWORK As described above, some of the onsite soil is considered to be moisture sensitive. As a result, it may be difficult to control the moisture content of this soil during periods of wet weather. If construction is accomplished during wet weather,we recommend that structural fill consist of an imported,clean, well- graded sand, or sand and gravel containing less than 5 percent passing the U.S. Standard No. 200 sieve, based on a wet sieve analysis of that portion passing the 3/4-inch sieve. In addition,if fill is to be placed or earthwork is to be performed in wet weather or under wet conditions, the contractor may reduce soil disturbance by: • Accomplishing earthwork in small sections. • Sloping excavated surfaces to promote runoff. • Limiting construction traffic over unprotected soil. • Limiting the size and type of construction equipment used. • Providing gravel "working mats"over areas of prepared subgrade. • Removing wet surficial soil prior to commencing fill placement each day. • Sealing the exposed ground surface by rolling with a smooth drum compactor or rubber-tired roller at the end of each working day. • Providing upgradient perimeter ditches or low earthen berms and using temporary sumps to collect runoff and prevent water from ponding and damaging exposed subgrades. I 10/31/03 I\DATA\PROJECT1238U138.010\FW PARKING LOT REPORT.DOC 7 LANDAU ASSOCIATES I • Stabilizing the soil with an additive (such as lime or cement kiln dust) to allow its use in wet weather. Planned Cuts and Fills It is our understanding that site earthwork will be conducted in a manner to balance the cut and fill and create a generally level site. Our test pits extended to depths equal to or greater than the anticipated 5 to 7 ft deep cuts. Dense to very dense lodgement till is expected for any cut greater than about 2.5 to 3 ft. During the summer/early fall, planned cuts are not anticipated to intercept the local Igroundwater table, though perched groundwater may be present during the winter/spring months. Zones of seepage were not encountered during our explorations. However, seepage near the top of dense, I .—unweathered lodgment till or within the lodgment till could be encountered, especially during wetter periods of the year. We understand that moderate height fills may be placed in the northwest and southeast portions of the site. (Note that we did not have detailed site grading plans at the time of this report so planned fill thicknesses are not known.) The conditions encountered during the field explorations are suitable for placement and compaction of these moderate fills. ITemporary and Permanent Slopes Actual construction slope configurations and maintenance of safe working conditions, including temporary excavation stability, should be the responsibility of the contractor, who is able to monitor the construction activities and has direct control over the means and methods of construction. All applicable local, state, and federal safety codes should be followed. All open cuts should be monitored during and after excavation for any evidence of instability. If instability is detected, the contractor should flatten the Iside slopes or install temporary shoring. Temporary excavations in excess of 4 ft should be shored or sloped in accordance with Safety Standards for Construction Work Part N, WAC 296-155-657. Temporary, unsupported excavations in dense to very dense glacial till without seepage, would be classified as Type A soil, and may be sloped as ' steep as 4H:1 V. All other soil units and all soil units in the absence of seepage would be classified as Type C soil and should be sloped at 11/2H:l V or flatter. Flatter slopes or temporary shoring may be Irequired in areas where groundwater seepage and/or flow is present and unstable conditions develop. We recommend that permanent cut or fill slopes be designed for inclinations of 2H:I V or flatter. All permanent cut slopes should be vegetated or otherwise protected to limit the potential for erosion as soon as practical after construction. Permanent slopes requiring immediate protection from the effects of 11N31/03 I:\DATA\PROJEC IL38W38AI0\Fl4 PARKING LOT REPORT DOC 8 LANDAU ASSOCIATES erosion should he covered with either mulch or erosion control netting/blankets. Areas requiring permanent stabilization should be seeded with an approved grass seed mixture, or hydroseeded with an approved seed-mulch-fertilizer mixture. ASPHALT PAVEMENT The top 12 inches of subgrade soil in cut areas and all fill soil should be compacted to at least 95 percent of the maximum dry density per ASTM D 1557. Following excavation or filling to establish subgrade elevation, but immediately prior to placing the crushed surfacing material, the subgrade surface should be proof-rolled with a loaded dump truck, heavy roller, or equivalent. Soft spots or areas exhibiting excessive movement, pumping, or weaving exposed by this proof-rolling, which cannot be easily stabilized, should be overexcavated and backfilled with granular fill, placed and compacted as previously described. If the subgrade is particularly loose or disturbed by construction equipment during wet weather, a thicker subbase layer or the use of a geotextile in combination with a granular base material may be needed to achieve suitable conditions for the proposed pavement section. It is recommended that proof-rolling be observed by a qualified geotechnical engineer. We understand that site paved areas will be used for car and light truck parking in a parking lot with over 50 spaces. In parking lots and areas limited to automobile and light truck traffic only, we recommend a pavement section of 3 inches of asphalt concrete over 4 inches of crushed rock base. Alternatively, a flexible pavement section of at least 2 inches of asphalt concrete over 3 inches of ATB could be used. Base-course material should be compacted to a minimum 95 percent of maximum dry density, as determined by test method ASTM D 1557. Prevention of road-base saturation is essential for pavement durability; thus, efforts should be made to limit the amount of water entering the base course. Asphalt concrete should be Class B aggregate material conforming to Section 5-04 of the 2002 WSDOT/APWA Standard Specifications. Our pavement design recommendations are made assuming the pavement subgrade is prepared in accordance with the recommendations contained in this report and based on the vehicle traffic described above. If possible, heavy construction equipment imposing loads greater than the loads assumed in pavement design should not be allowed on paved areas. If frequent and heavy construction traffic across paved areas cannot be avoided, a thickened pavement section design should be incorporated into the project plans. If required, Landau Associates can provide recommendations for a heavy-duty pavement section. The thickened pavement areas should be identified as designated equipment routes and heavy construction traffic should be restricted to these designated routes. 10/31/03 I\DATA\PROJECT\238\038.0111\FW PARKING LOT REPORT-DOC 9 LANDAU ASSOCIATES • IGEOTECHNICAL CONSULTATION AND CONSTRUCTION MONITORING Landau Associates recommends that a geotechnical engineer familiar with the project design review the earthwork portions of the design drawings and specifications. The purpose of the review is to verify that the recommendations presented in this report have been properly interpreted and incorporated in the design and specifications. We recommend that geotechnical construction monitoring services be provided. These services should include observation by geotechnical personnel during fill placement compaction activities and subgrade preparation operations to verify that design subgrade conditions are obtained beneath the proposed paved areas. We also recommend that periodic field density testing be performed to verify that an appropriate degree of compaction is obtained. The purpose of these services would be to observe compliance with the design concepts, specifications, and recommendations of this report, and in the event subsurface conditions differ from those anticipated before the start of construction, provide revised recommendations appropriate to the conditions revealed during construction. Landau Associates would be pleased to provide these services for you. USE OF THIS REPORT Landau Associates has prepared this report for the exclusive use of the City of Federal Way and their consultants for specific application to the design of the proposed new parking lot and associated 1 improvements at the Federal Way City Hall in Federal Way, Washington. Use of this report by others or for another project is at the user's sole risk. Within the limitations of scope, schedule, and budget, our 1 services have been conducted in accordance with generally accepted practices of the geotechnical engineering profession; no other warranty, express or implied, is made as to the professional advice 1 included in this report. The conclusions and recommendations contained in this report are based in part upon the 1 subsurface data obtained from the explorations completed for this study. There may be some variation in subsurface soil and groundwater conditions at the site, and the nature and extent of the variations may not become evident until construction. Accordingly, a contingency for unanticipated conditions should be included in the construction budget and schedule. If variations in subsurface conditions are encountered during construction, Landau Associates 1 should be notified for review of the recommendations of this report, and revision of such if necessary. If there is a substantial lapse of time between submission of this report and the start of construction, or if 1 conditions change due to construction operations at or adjacent to the project site, we recommend that we 1 111/31/03 I\DATA\PROJECfl238V138.010 FW PARKING LOT REPORT.DOC 10 LANDAU ASSOCIATES I review this report to determine the applicability of the conclusions and recommendations contained herein. We appreciate the opportunity to provide geotechnical services on this project and look forward to assisting you during the construction phase. If you have any questions or comments regarding the information contained in this report,or if we may be of further service,please call. LANDAU ASSOCIATES, INC. a< Sean W.Cool Project eotechnical Engi er Edward J. Heav I1mfr Associate i.'. . •► Ca SWC/EJH/jas 0.„ 44, 27805 9 wwSek IONA,L 'x ) tftES 04-q- REFERENCES I Waldron, H.H. 1961. Geology of the Poverty Bay Quadrangle, Washington. U.S. Geologic Survey. Map GQ-158. IWSDOT/APWA. 2002. Standard Specifications for Road, Bridge, and Municipal Construction. Washington State Department of Transportation and the American Public Works Association. I I I I I 103I/03 I\DATA\PROJECF\238%038.010WW PARKING LOT REPORT.DOC 1 1 LANDAU ASSOCIATES I APPENDIX A FIELD EXPLORATIONS AND LABORATORY TESTING Subsurface conditions at the site were explored on October 10, 2003. The exploration program consisted of excavating and sampling eight exploratory test pits (LTP-1 through LTP-8) at the approximate locations illustrated on the Site Plan (Figure 2 of this report). The test pits were excavated to depths ranging from about 71 to 9 ft BGS using a tracked excavator. CEcon Corporation, of Tacoma, Washington excavated the test pits under subcontract to Landau Associates. The explorations were located in the field by hand taping from existing physical features and referenced to an undated site plan provided by David A. Clark Architects. Ground surface elevations at the test pit locations were estimated to the nearest foot from the topographic information provided on the site plan. The field explorations were coordinated and monitored by a geotechnical engineer from our staff who also obtained representative soil samples, maintained a detailed record of observed subsurface soil and groundwater conditions, and described the soil encountered by visual and textural examination. Each representative soil type observed was described using the soil classification system shown on Figure A-I, in general accordance with ASTM D 2488, Standard Recommended Practice for Description of Soils (Visual-Manual Procedure). Logs of the test pit explorations are presented on Figures A-2 through A-5. These logs represent our interpretation of subsurface conditions identified during the field explorations. The stratigraphic contacts shown on the individual test pits logs represent the approximate boundaries between soil types; actual transitions may be more gradual. Also, the soil and groundwater conditions depicted are only for the specific date and locations reported, and therefore, are not necessarily representative of other locations and times. Representative, disturbed bag samples of the soil encountered in test pit explorations were obtained at selected intervals and taken to our laboratory for further examination and testing.. Laboratory tests were performed on representative soil samples to characterize certain physical properties of the site soil. The laboratory testing program was limited to visual inspection to confirm field soil descriptions, determination of natural moisture content, grain size distribution, and maximum dry density and optimum moisture content. The natural moisture contents of selected soil samples were determined in general accordance with ASTM D 2216 test procedures. The results from the moisture determinations are indicated on the summary logs, adjacent to the corresponding samples. Grain size analyses of selected soil samples were conducted in general accordance with ASTM D 422 test procedures. The results are presented in the form of grain size distribution curves on Figure A-6. The maximum dry density and optimum moisture content I 10U31/03 I\DATA\PROJEC 1238\1138.11I11\FW PARKING LOT REPORT DOC A-I LANDAU ASSOCIATES r 1 f of two selected soil samples were determined in general accordance with ASTM D1557 test procedures. The results are presented in the form of moisture-density relationship curves on Figures A-7 and A-8. I 1 l j,. l'. 1'- i. Iil 1'r 4F it M1� 11V3II03 I:\DATA\PROJECT\238O38 0tO\Fw PARKING LOT REPORT.DOC A-2 LANDAU ASSOCIATES fi Soil Classification System uscs MAJOR GRAPHIC LETTER TYPICAL DIVISIONS SYMBOL SYMBOLI11 DESCRIPTIONSI2" U p U U GRAVEL ANDD CLEAN GRAVEL °°°°°a GW Well-graded gravel;graveVsand mixture(s),little or no fines GRAVELLY SOIL (Little or no fines) D Q°Q° J a N D°°°°°1 GP Poorly graded gravel;gravel/sand mixture(s);little or no fines O m ,- .w m (More than 50%of ) 3 > o m a>> coarse fraction retained GRAVEL WITH FINES 3 7 ) I GM Silty gravel;graveVs^and/silt mixture(s) Z E 07, on No.4 sieve) (Appreciable amount of a o N fines) GC Clayey gravel;gravel/sand/day mixture(s) 02 ° w c SAND AND CLEAN SAND SW Well-graded sand;gravelly sand;little or no fines N fi SANDY SOIL (Little or no fines) w SP Poorly graded sand;gravelly sand;little or no fines O� m (More than 50%of SM Silty sand;sand/silt mixture(s) coarse fraction passed SAND WITH FINES through No.4 sieve) (Appreciable amount of I fines) SC Clayey sand;sand/day mixture(s) �, Inorganic silt and very fine sand;rock flour silty or clayey fine _i ,13.);"):7i Si,3', SILT AND CLAY M� sand or clayey silt with slight plasticity 55 m o CL Inorganic clay of low to medium plasticity;gravelly clay;sandy �� (Liquid limit less than 50) day;silty day;lean day w °° OL Organic silt;organic,silty day of low plasticity ze z; 2�N CC SILT AND CLAY MH Inorganic silt;micaceous or diatomaceous fine sand I di °'f0 2 E (Liquid limit greater than 50) CH Inorganic day of high plasticity;fat day H • OH Organic clay of medium to high plasticity;organic silt HIGHLY ORGANIC SOIL PT Peat;humus;swamp soil with high organic content GRAPHIC LETTER OTHER MATERIALS SYMBOL SYMBOL TYPICAL DESCRIPTIONS IPAVEMENT AC or PC Asphalt concrete pavement or Pornand cement pavement ROCK ��``' RI( Rock(See Rock Classification) , WOOD VVD Wood,lumber,wood chips DEBRIS //0/0/ DB Construction debris,garbage n n n i Notes: 1. USCS letter symbols correspond to the symbols used by the Unified Soil Classification System and ASTM classification methods.Dual letter symbols(e.g., SP-SM)for a sand or gravel indicate a soil with an estimated 5-15%fines.Multiple letter symbols(e.g.,MUCL)indicate borderline or multiple soil classifications. 1 2. Soil descriptions are based on the general approach presented in the Standard Practice for Description and Identification of Soils(Visual-Manual Procedure), as outlined in ASTM D 2488.Where laboratory index testing has been conducted,soil dassifications are based on the Standard Test Method for Classification of Soils for Engineering Purposes,as outlined in ASTM D 2487. ww 3. Soil description terminology is based on visual estimates(in the absence of laboratory test data)of the percentages of each soil type and is defined as follows: Primary Constituent: >50%-"GRAVEL,""SAND,""SILT,""CLAY,"etc. r I co Secondary Constituents: >30%and<50%-"veryravel c') gravelly,""very sandy,""very silty,"etc. >15%and<30%-"gravelly,""sandy,""silty,"etc. Additional Constituents: > 5%and<15%-"with gravel,""with sand,""with silt,"etc. o J_ < 5%-"trace gravel,""trace sand,""trace silt,"etc.,or not noted. O I a Drilling and Sampling Key Field and Lab Test Data 0 SAMPLE NUMBER&INTERVAL SAMPLER TYPE 57 Code Description Code Description o Sample Identification Number a 3.25-inch O.D.,2.42-inch I.D.Split Spoon PP=1.0 Pocket Penetrometer,tsf b 2.00-inch O.D.,1.50-inch I.D.Split Spoon TV=0.5 Torvane,tsf I 3 Recovery Depth Interval c Shelby Tube PID=100 Photoionization Detector VOC screening,ppm 1j ]�4— Sample Depth Interval d Grab Sample W=10 Moisture Content, e Other-See text if applicable O=120 Dry Density,pcf I Portion of Sample Retained 1 300-lb Hammer,30-inch Drop -200=60 Material smaller than No.200 sieve,% cc for Archive or Analysis 2 140-lb Hammer,30-inch Drop GS Grain Size-See separate figure for data S.a 3 Pushed AL Atterberg Limits-See separate figure for data < 4 Other-See text if applicable GT Other Geotechnical Testing 1 9 Groundwater CA Chemical Analysis gQ Approximate water elevation at time of drilling(ATD)or on date noted. Groundwater o ATD levels can fluctuate due to precipitation,seasonal conditions,and other factors. IFederal Way City Hall Figure LANDAU Proposed Parking Lot Soil Classification System and Key /`1/�_i ASSOCIATES Federal Way, Washington 1 LW-1 i _ • SAMPLE DATA SOIL PROFILE GROUNDWATER • i iv a E Excavation Method: Tracked Excavator Z CU rn E, 0 ' °' o t N Ground Elevation(ft): 330 n n n V a E 6 E a toD -- 0 Na to H -0 SM Brown,organic,silty SAND with gravel, • - SM \numerous roots,and organic debris(loose to /� - S-1 T d W=7 medium dense,moist)(TOPSOIL) / Groundwater not encountered. - Red-brown,silty,gravelly,fine to coarse SAND —2 with cobble(medium dense,damp to moist) S 2 T d (ABLATION TILL) grades to more gray color 4 SM Gray,silty,gravelly to very gravelly,fine to iicoarse SAND with cobble(dense to very dense, moist)(LODGMENT TILL) • i — I3d 8 - Test Pit Completed 10/10/03 = Total Depth of Test Pit=8.0 ft. —10 — . LTP-2 ISAMPLE DATA SOIL PROFILE GROUNDWATER a, o Tracked Excavator a -6 Excavation Method: i— cor Z m 326 �, �, ,� U co Ground Elevation(ft)- w nm a c L N N CO C N N 10 in O in 06 (n 1- 0 D —0 -,SM, Brown,organic,silty SAND with gravel, 0 SM numerous roots,and organic debris(loose to \medium dense,moist)(TOPSOIL) Groundwater not encountered. a S-1= d Red-brown,silty,gravelly,fine to medium SAND —2 with cobble and minor organic content(medium — 11 '0 - dense,damp)(ABLATION TILL) S•2 T d W=2 grades to more gray color m —4 SM Gray,silty,gravelly,fine to medium SAND(very — o dense,damp)(LODGMENT TILL) cc, - II a- 0 0 m rym a —8 Test Pit Completed 10/10/03 cc _ Total Depth of Test Pit=7.5 ft. I- _ f- 11 9 —10 Q 0 0 Notes: 1. Stratigraphic contacts are based on field interpretations and are approximate. II m 2. Reference to the text of this report is necessary for a proper understanding of subsurface conditions. 0 3. Refer to Soil Classification System and Key figure for explanation of graphics and symbols. m N -1 IA Federal Way City Hall Figure LANDAU Proposed Parking Lot Log of Test Pits Figure ASSOCIATES Federal Way, Washington J`� I LTP-3 _ [ _____ - SAMPLE DATA1 SOIL PROFILE GROUNDWATER - r ---- .. n o Tracked Excavator E n E a Excavation Method: il ram, rn Ground Elevation(ft): 334 r.� all n Q E to il a. Ec E - 0 — -- CO 0to 06 Cl) U 0 ,SM, Brown,organic,silty SAND with numerous roots - SM \and organic debris(loose to medium dense, moist)(TOPSOIL) Groundwater not encountered. —2 S-1 T d W=7 Red-brown,silty,gravelly,fine to medium SAND with cobble and minor organic content(medium SM dense,damp to moist)(ABLATION TILL) - \grades to more gray color Gray,silty,very sandy,fine to coarse GRAVEL 11 - with cobble to silty,gravelly,fine to medium -- SAND(very dense,damp)(LODGMENT TILL) S2I d W=4 GS I -8 - Test Pit Completed 10/10/03ill - Total Depth of Test Pit=8.0 ft. —10 LTP-4 11 SAMPLE DATA SOIL PROFILE GROUNDWATER T — w D Method: Tracked Excavator Excavation 7 ' E Zm ~ ° ' 348 m ` �, Ground Elevation(ft):_ n Ec E u, m 0 I —c l SM Brown,organic,silty SAND with numerous roots 0 t 1 GW- and organic debris(loose to medium dense, o- C Groundwater not encountered. W=2 D. C GM \moist)(TOPSOIL) F. S 1 d GS D c C Red-brown to light brown,sandy,fine to coarse 1_ —2 D C GRAVEL with silt and cobble to silty,very - .� gravely,fine to coarse SAND{medium dense, - SM —dry to damp)(ABLATION TILL) II a - Gray,silty,gravelly to very gravelly,fine to —4 coarse SAND(dense to very dense,moist) — cq m - (LODGMENT TILL) IL. 0 S-2T d W=10 _ iia o—8 — F._ Test Pit Completed 10/10/03 - —10 Q 0 -1 Notes: 1. Stratigraphic contacts are based on field interpretations and are approximate. Li cci2. Reference to the text of this report is necessary for a proper understanding of subsurface conditions. O 3. Refer to Soil Classification System and Key figure for explanation of graphics and symbols. m i w Federal Way City Hall Figure PAUroposed Parking Lot Logof Test Pits I IA ASSOCIATES Federal Way, Washington /�'� ii I LTP-5 SAMPLE DATA SOIL PROFILE GROUNDWATER A i -0 m o Tracked Excavator E o E n Excavation Method: Z a1 fn E F m > ti rm L (/) Ground Elevation(ft): 350 t aa`� n Cl)a) N C n is f°CL U v)atS V) I— C) 0 0 W=9 SM Brown,organic,silty SAND with gravel, S-1 T d numerous roots,and organic debris(loose to SM ',medium dense,moist)(TOPSOIL) Groundwater not encountered. I Red-brown,silty,very gravelly,fine to coarse = 2 S2 T d W 3 SAND with cobble and minor organic content GS (medium dense,damp)(ABLATION TILL) - decayed root at edge of test pit extends to-2 ft I - SM \BGS 4 grades to more gray color Gray,silty,gravelly to very gravelly,fine to medium SAND with cobble(very dense,damp) - 6 S-3 T d W=4 (LODGMENT TILL) -8 = Test Pit Completed 10/10/03 Total Depth of Test Pit=8.0 ft. -10 - I LTP-6 ISAMPLE DATA SOIL PROFILE GROUNDWATER E T E E Excavation Method: Tracked Excavator = ai > ;, m 0 r) Ground Elevation(ft): 340 n m a 0 E co a E c E 'Jrn 0 iD _ m o U)od u) I— C) D -0 SM Brown,organic,silty SAND with numerous roots o- SM \and organic debris(loose to medium dense, Groundwater not encountered. o F S-1 T d W=3 moist)(TOPSOIL) d Red-brown,silty,fine to coarse SAND with rn-2 gravel and minor organic content(medium - - dense,damp)(ABLATION TILL) - SM Gray,silty,gravelly,fine to medium SAND m -4 (dense to very dense,damp)(LODGMENT o_ S-2-1-- d W=7 - $M/ `,,TILL) - - co 3 '. \ML/ \ Gray-tan,silty,fine to medium SAND to sandy /-- c)I o- D ? GM/ \SILT;laminated(dense/hard,moist)m` ) > SM \\\(((LODGMENT T1LL)6 - g_ S-3 T d �. Gray,silty,sandy,fine to coarse GRAVEL with 3 3 cobble to silty,gravelly,fine to coarse SAND D (very dense,damp to moist)(LODGMENT TILL) U D_ LLl—8 3. - Test Pit Completed 10/10/03 _ a_ Total Depth of Test Pit=8.0 ft. I- I 9 - - 10 0 0 I Notes: 1. Stratigraphic contacts are based on field interpretations and are approximate. m 2. Reference to the text of this report is necessary for a proper understanding of subsurface conditions. 0 3. Refer to Soil Classification System and Key figure for explanation of graphics and symbols. _ m Co I Federal Way City Hall Figure LANDAU Proposed Parking Lot Log of Test Pits A /� ASSOCIATES Federal Way,Washington /-� '} - _________ LTP-7 SAMPLE DATA SOIL PROFILE GROUNDWATER a t I Excavation Method: Tracked Excavator Z t �a rn a) > d m o co Ground Elevation(ft): 337 Tx a) O c in n Ec n E a ro 0 II O ad COI- (7 O —0 SM Brown,organic,silty SAND with numerous roots I and organic debris(loose to medium dense, - - SM moist)(TOPSOIL) Groundwater not encountered. - 2 Is-i T d =G 4 Red-brown to light brown,silty,very gravelly, fine to coarse SAND with minor organic content (medium dense,damp)(ABLATION TILL) SM -grades to more gray color /-- - Gray,silty,gravelly,fine to medium SAND with I —4 cobble(dense to very dense,damp) — (LODGMENT TILL) i S-2- d :• -oo GP Gray,sandy,fine to coarse GRAVEL with o o cobble;slightly imbricated(dense,damp) - —6 0- (LODGMENT TILL) - — 1 - a- SM Gray,silty,gravelly,fine to medium SAND with - cobble(dense to very dense,moist) - S 3 T d W=10 (LODGMENT TILL) _ —8 — — - Test Pit Completed 10/10/03 J Total Depth of Test Pit=8.0 ft. - II —10 — I LTP-8 ISAMPLE DATA SOIL PROFILE GROUNDWATER LI N o Tracked Excavator E T a Excavation Method: 7 ~ m ico , co Ground Elevation(ft): 332 w n n O 1E (n O Ned CO I- C) D —0 SM Brown,organic,silty SAND with gravel, S-1-I- d numerous roots,and organic debris(loose to - medium dense,moist)(TOPSOIL) Groundwater not encountered. r- - SM LT_ Gray-brown with some orange staining,silty, F.—2 S 2 T d w=g gravelly,fine to coarse SAND to gravelly SAND — I-"- with silt(medium dense,damp to moist) _ (ABLATION TILL) 0 - SM i— Gray to dark gray,silty,gravelly,fine to coarse • —4 SAND(dense to very dense,moist) — $ - (LODGMENT TILL) _ a, S-3-I- d 0 4 m - - 11 w _6 rt _ Test Pit Completed 10/10/03 - Q - Total Depth of Test Pit=8.0 ft. - 1a 9 10 e e 0 I ,- Notes: 1. Stratigraphic contacts are based on field interpretations and are approximate. m 2. Reference to the text of this report is necessary for a proper understanding of subsurface conditions. § 3. Refer to Soil Classification System and Key figure for explanation of graphics and symbols- § N 1 Federal Way City Hall Figure .4 LANDAU Proposed Parking Lot Log of Test Pits /� _5 ASSOCIATES Federal Way,Washington /-� 1 i __ . - 2 D a _CD LL O - _I 0._ ...,„3, vw 2 9 g 2 tt= In C N 0 C - Dv O D JD E I . 0) : - ' - 0 O a) N i CO ._ •co i i . _ o 7 0)'- Ca' /// a. iL UHCD J C I Oo - g _ fnr >W Ly (nZ (QAlZ i � _ II omou mN JN W NpN O =J C a O)L C (n ill n el a) ofn E c (A0., - to7 4` (p T T (n /11 ici C OU N ;0; in y OI O 4 0 Eta 2 m ` _T C _T wfO - Ofn (nfn —LL IX cLL OWN , - NN3 j - N M 175: _� Z m . - N l0.-� % O C Z 5 a it Ale - O O to L - ' - `n Q tA r- N M V E, U E. N N E,o c N U E E N N co 6 co co 1 0, at a. W �, o o ccin o 0 a I (n • r> v In r-- j `0 o f n. [L d d -- XZ -I J J J o W o4 ,,,, — U i n 1 n -- E e t * H cc, I r L L-- I to O co O) C) coco V MO N O 0 V 146iaM�(q lau!j luaa�ad Q o i g 1 ill• tjjs I \ 144 „ IIhk140� - mil ` Material Source: LTP-4 Sample located at a depth of 2 MM „`. ft. Material Description: Light brown,silty,gravelly,SAND I ::: Test Method: ASTM D 1557C I 128 TEST RESULTS(less than 3/4" material) Maximum Dry Density: 129.5 pcf 124 Optimum Water Content: 8.6% o Percent Greater Than 3/4" Sieve: 21 % . 120 115 ROCK CORRECTED RESULTS* v ak Corrected Maximum Dry Density: 134 pcf 116■.■ MMM" Corrected Optimum Water Content: 7 0 ::: III * Based on the CAA method. a c f 0 IIIi `, 1 t L Mill 104 ■■■■■„`� Z 100 MM• 11.111111111111101V Curves of 100% Saturation for F IIIIS Specific Gravity equal to: 2.60 1 ' 96 2.70 2.80 IIIih1 1 m 92 0 s m s m --1 E 88 s. 11 9 84 I M M ■■■■■■■■MM". e 80 0 10 20 30 40 -1 S Water Content in Percent N Federal Way City Hall Figure IALANDAU Proposed Parking Lot Moisture-Density Relationship _7 ASSOCIATES Federal Way,Washington /y 1 I j 144 — 1 „1 140 itillk Material Source: LTP-5 Sample S-2 located at a depth of I 2 ft. 136 Material Description: Red-brown,silty,very gravelly,fine to coarse SAND I 132 V Test Method: ASTM D 1557C IL I 128 1 , TEST RESULTS (less than 3/4" material) Maximum Dry Density: 122 pcf . I —124 Optimum Water Content: 10% c) 0 Percent Greater Than 3/4"Sieve: 22% 120 ROCK CORRECTED RESULTS* �j Corrected Maximum Dry Density: 128 pcf Q 116 Corrected Optimum Water Content: 8% 8S 0 112 * Based on the CAA method. a _N 108 c a 4) c_ a 104 W cc Curves of 100% Saturation for 0 100 11116k Specific Gravity equal to: F o a. II \ , 2.60 1 0 96 2.70 IM �� 2.80 V92i� m Ak 88 ■■■■ ■■■■ ■ ,`\ Q 84■ ■ .■ ■■■.■■■■ ,,`► 9 ■ ..IR.U1 ■ UUUk Q 80 l i \ , 0 10 20 30 40 I Water Content in Percent 7. I IA Federal Way City Hall Figure/1 LANDAU Proposed Parking Lot Moisture-Density Relationship A_8 ASSOCIATES Federal Way, Washington a CITY OF FEDERAL WAY DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL DATE: January 6, 2003 TO: Jim Femling, Development Services Manager (2 copies) Scott Sproul, Building Division Mary Young, Lakehaven Utility District Greg Brozek, Federal Way Fire Department FROM: Jim Harris, Senior Planner 'FILL FOR DRC MTG. ON: Application Review, January 15, 2004 FILE NUMBER(s) : 04-100035-UP-SE RELATED FILE NOS. : The SEPA file that was submitted last week is related. PROJECT NAME: FEDERAL WAY NEW CITY HALL PARKING LOT EXPANSION PROJECT ADDRESS: 700 S 333RD ST ZONING DISTRICT: OP PROJECT DESCRIPTION: Proposal to create additional parking lot for the new City of Federal Way City. LAND USE PERMITS: PROJECT CONTACT: CITY OF FEDERAL WAY Ken Miller PO BOX 9718 253 661-4161 MATERIALS SUBMITTED: Preliminary Site Plan sheets C-101, C-102, C-103, C- 105; L-1. 0 Preliminary technical Information Report; Vicinity Map This is the Process III materials and application that corresponds to the SEPA application filed last week. We will review this Process III application concurrent with the SEPA application. MASTER Lei ID USE APPLICATION ���'`�./G" ���D DEPARTMENT OF COMMUNITY DEVELOPMENT SERVICES -_ 33530 First Way South AN 0 6 2004 PO Box 9718 deral Way Federal Way WA 98063-9718 CITY OF FEDERAL WAY 253-661-4000;Fax 253-661-4129 i BUILDING DEFT, www eityofferleralway rnrrl r APPLICATION NO(S) O ` 10 v O `�S-- bur Date l v D y Project Name)E 10 FED G0.ri- . ti✓A- I )y c ("('( H 4(,C_ p Kut) . LUT EXPA-N5/OK Property Address/Location /00 S 3 3 3 R° ST 60U S. 3 33)'2 ST Parcel Number(s) IG 500 - 0 ' 80 9 a.(''Too ONO Project Description LAND LASE 4-PkKCgnON TO t-Re4TE I is vac( Pile �1NC,- LOT ON ..i-_ttE CAST S1De OE 7l-tt SiyE PLEASE PRINT 1 Type of Permit Required Applicant Annexation Binding Site Plan Name: C rly Or F CPEOIL wa v Boundary Line Adjustment Address: 53s30 !sr l,.,/q✓ S"Owrt-/ Ij>O 130i( 7718 Comp Plan/Rezone City/State: rEtDri..e wily, 1,t/l Land Surface Modification Lot Line Elimination Zip: p( 0 • Preapplication Conference Phone: 6 3 S ) 46/—4000 Process I(Directors Approval) Fax: dL -3 6 G 1 —(((. Process II(Site Plan Review) Emai� JJJ V Process III(Project Approval) Signature: Process IV(Hearing Examiner's Decision) Process V(Quasi-Judicial Rezone) Agent(if different than Applicant) II Process VI SEPA w/Project Name: '3R Yt ) C(-{0 in SEPA Only Address: 33 S3U ( 51- W' ' sOL4TM PO 50x '7/g Shoreline: Variance/Conditional Use City/State: (=(j,DC 4'#q 1.t/4 K (4/4 Short Subdivision Zip: 9 s 063 Subdivision Phone: s 3) 6 6/- c'l l Variance: Commercial/Residential Fax: 1( S 3) G G ( — `f/ Emai . ge yftN.C f,t t tom.c t TYD se '1VC'tlL koi'`(.G Olr-i. Required Information Signatur ;_.____ G. O(F ICE PAR.k (07oning Designation Owner GE PI L I% f 9 omprehensive Plan Designation Name: C (fir /' 1 G Pe il"C- L,d( 0 Value of Existing Improvements Address: cm City/State: (DEE fi�vvc- ) 430�/00 0 Value of Proposed Improvements Zip: Uniform Building Code(UBC): Phone: Fax: Occupancy Type Email: Construction Type Signature: Bulletin#003—March 3,2003 Page I of I k:\Handouts—Revised\Master Land Use Application % ` CITY OF CITY HALL .. Federal Way 33530 1st Way South•PO Box 9718 Federal Way,WA 98063-9718 (253)661-4000 wwww cityoffederal way.corn March 25, 2004 MAR 2iZ004 Jim Harris � pe�' jG T, Community Development Services City of Federal Way PO Box 9718 Federal Way, WA 98063 RE: New City Hall North Parking Lot Analysis (No. 04-100035-00-UP) Dear Mr. Harris, The Paragon Trades building site is a 5.8 acre parcel that was recently purchased by the City of Federal Way to be converted to their new City Hall. The existing building has 275 stalls of onsite parking that surrounds it. The due diligence report on the new City Hall put together by Dave A Clark Architects, PLLC (see enclosure) estimates City Hall parking demands currently total 407 parking stalls for police, courts, City Hall office space and visitors. Police department requires 90 to 100 stalls of the 190 stalls estimated parking demand for their department to be stalls for police vehicles parking. The City will also require 30 parking stalls for their city vehicles within the 164 stalls estimated parking demand for City offices. Future City Hall parking demands for the year 2023 are estimated at 596 stalls. To modify the parking lot for use by City Hall, the loading bay at the rear of the existing building will be converted to a smaller sally port for police use which will allow 11 additional car parking stalls and 8 additional motorcycle parking stalls to be added. Approximately 69 parking stalls (61 parking stalls + 8 motorcycle stalls)to the south and west of the building will be fenced in and reserved solely for the use of the police department. The remaining parking spaces will be dedicated for visitor and employee parking. To satisfy the remaining parking demands for the City Hall,the City of Federal Way has proposed to construct a satellite parking lot on 333rd street, opposite the existing building site. The offsite parking lot will add an additional 178 parking stalls that will be used for overflow employee parking and a compound to park City owned vehicles. The City vehicle compound will contain 43 parking stalls enclosed by a fence located at the northeast corner of the site. This offsite parking lot will also be used as parking for a police evidence building that will be built at a later date on the west side of the offsite parking lot. The total number of parking spaces available at the new City Hall will be 464 car parking stalls and 8 motorcycle stalls. There will be 275 stalls are existing onsite, 11 new police stalls created onsite, 8 new motorcycle stalls created onsite and 178 new parking stalls created at the offsite parking lot location. Sincerely, Bryan Chou Planning Intern Enc: City of Federal Way City Hall Estimated Parking Demands c: Ken Miller,City of Federal Way 00 DRAFT #1 "U 4, , ,., CITY OF FEDERAL WAY - CITY HALL U ESTIMATED PARKING DEMAND 2003 2023 Comments 1 POLICE Occupied Area 26,000 sf 39,400 sf City Demand 180 stalls 240 stalls Per police dep't memo 8/20/02 Visitors 10 stalls 15 stalls Per police dep't memo 8/20/02 l Total Police Stalls 190 stalls 255 stalls 1'� Stalls/1000 sf 7.31 /ksf 6.47 /ksf �rf 'li COURTS Occupied Area 8,200 sf 13,000 sf c Occupant Load 4.00 /ksf 4.00 /ksf il If City Demand 33 stalls 52 stalls I I Visitors 20 stalls 30 stalls i' Total Court Stalls 53 stalls 82 stalls ' fL f Stalls/1000 sf 6.46 /ksf 6.31 /ksf 1,1 kl � 1' OFFICE i f Occupied Area 36,000 sf 57,300 sf Occupant Load 4.00 /ksf 4.00 /ksf 1 City Demand 144 stalls 229 stalls Visitors 20 stalls 30 stalls 1 Total Office Stalls 164 stalls 259 stalls Ill Stalls/1000 sf 4.56 /ksf 4.52 /ksf j 1 CITY TOTALS I Occupied Area 70,200 sf 109,700 sf f City Stalls 357 stalls 521 stalls it Visitor Stalls 50 stalls 75 stalls ' Total Stalls 407 sta s 596 stalls Stalls/1000 sf 5.80 /ksf 5.43 /ksf !, !Ix i V Is iI II p:Vederal way\site seardi 2-3Q 2002\parking demand vl 020828; SHEET:Sheetl; 8/28/02 I� 1 ii CITY OF CITY HALL Federal Way 33530 1st Way O•South Box 9718 Federal Way,WA South -9 (253)661-4000 www.cityoffederalway.corn March 31, 2004 Mr. Tim Larson Tacoma Water 3628 South 35th Street Tacoma, WA 98409-3192 Re: File #04-100035-UP: New Federal Way City Hall Parking Lot, Process III Approval Dear Mr. Larson: Enclosed is the City of Federal Way's decision on the Process III application for the New Federal Way City Hall Parking Lot. As a party of record, we are required to provide you a copy of the decision. If you have any questions, please feel free to contact me at 253-661-4019 or jim.harris(acityoff=ederalway.com. Sincerely, Jim Harris Senior Planner Enclosure Doc Id:26633 .> SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. M x CL M 0 N CITY OF FEDER "I SATELLITE PARKING FACILITY General Notes: 1. All construction shall be in accordance with the Federal Way City Code (FWCC), applicable ordinances, and the City Council conditions of project approval. These documents are supplemented by the Standard Specifications for Road, Bridge, and Municipal Construction (WSDOT/APWA), the King County Road Standards (KCRS), and the King County Surface Water Design Manual (KCSWDM). It shall be the sole responsibility of the applicant and the professional engineer to correct any error, omission, or variation from the above requirements found in these plans. All corrections shall be at no additional cost or liability to the City of Federal Way. 2. The design elements within these plans have been reviewed according to the Federal Way Engineering Review Checklist. Some elements may have been overlooked or missed by the City Engineering Plan Reviewer. Any variance from adopted standards is not allowed unless specifically approved by the City of Federal Way, prior to construction. 3. Approval of this road, grading, and drainage plan does not constitute an approval of any other construction (i,e, domestic water conveyance, sewer conveyance, gas, electricity, etc.) 4. Before any construction or development activity, a Preconstruction Meeting must be held between the City of Federal Way, the applicant, and the applicant's construction representative. 5. A copy of these approved plans must be on the job site whenever construction is in progress. 6. Construction noise shall be limited as per FWCC (Section 22-1006); normally this is 7 a.m. to 8 p.m., Monday through Friday and 9 a.m, to 8 p.m. Saturdays. 7. It shall be the applicant's/contractor's responsibility to obtain all construction easements necessary before initiating off -site work within the road rights of way. 8, Franchised utilities of other installations that are not shown on these approved plans shall not be constructed unless an approved set of plans that meet all City requirements and the requirements of KCRS Chapter 8 are submitted to the City of Federal Way at least three days prior to construction. 9. Vertical datum shall be KCAS or NGVD-29. 10. Groundwater system construction shall be within a right of way or appropriate drainage easements, but not underneath till r�ne seEfion. An grey-indwater systems must be constructed in accordance with the WSDOT/APWA Standard Speciflc6bons. 11. All utility trenches in the right of way shall be backfilled with 5/8 inch crushed rock. 12. All utility trenches shall be backfilled and compacted to 95% density. 13. All roadway subgrade shall be backfilled and compacted to 95% density in accordance with WSDOT 2-06.3. 14. Open cutting of existing roadways is not allowed unless specifically approved by the Public Works Director and noted on these approved plans. Any open cut shall be restored in accordance with KCRS 8.03(b)3. 15, The contractor shall be responsible for providing adequate safeguards, safety devices, protective equipment, fiaggers, and any other needed 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 within the traveled right of way that may interrupt normal traffic flow shall require at least one flogger for each lane of traffic affected. All sections of the WSDOT Standard Specifications 1-07.23-Traffic Control, shall apply. 16. Contractor shall provide and install all regulatory and warning signs per the latest edition of Manual On Uniform Traffic Control Devices. 17. All utilities shall be adjusted to final grade after paving asphalt wearing course. 18. Rockeries are considered to be a method of bank stabilization and erosion only. Rockeries shall not be constructed to serve as retaining walls. All rockeries shall be constructed in accordance with CFW Drawing Numbers 3-22, 3-23. Rockeries may not exceed six feet in height for cut sections or four feet in height for fill sections unless designed by a geotechnical or structural engineer licensed in the state of Washington. Drainage Notes: 1. Proof of liability insurance shall be submitted to the City prior to the Preconstruction Meeting. 2. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with WSDOT 7-02.3(1). This shall include leveling and compacting the trench bottom, the top of foundation material, and required pipe bedding, to a uniform grade so that the entire pipe is supported by a uniformly dense unyielding base. 3. Steel pipe shall be galvanized and have Asphalt Treatment #1 or better inside and outside. 4. All drainage structures, such as catch basins and manholes, not located within a traveled roadway or sidewalk, shall have solid locking lids. All drainage structures associated with a permanent retention/detention facility shall have solid locking lids. 5. All catch basin grates shall conform to CFW Drawing Numbers 4-1, 2, 3, 4 or 5. 6. All driveway culverts located within 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 side slopes. 7. Rock for erosion protection of ditches, channels and swales, where required, must be of sound quarry rock, placed to a depth of one foot and must meet the following specifications: 4"-8" rock/407.-70% passing; 2"-4" rock/307o-40% passing; and -2" rock/10%-20% passing. Installation shall be in accordance with KCRS Drawing Number 51 or as amended by the approved plans. Recycled asphalt or concrete rubble shall not be used. Drainage Notes (Cont'd): 8. Lots not approved for infiltration shall be provided with drainage outlets (stub -outs). Stub -outs shall conform to the following: A. Each outlet shall be suitably located at the lowest elevation on the lot, so as to service all future roof downspouts and footing drains, driveways, yard drains, and any other surface or sub -surface drains necessary to render the lots suitable for their intended use. Each outlet shall have free -flowing, positive drainage to an approved stormwater conveyance system or to an approved outfall location. 8. Outlets on each lot shall be located with a five-foot high, 2 x 4 stake marked "Storm". The stub -out shall extend above surface level, be visible and be secured to the stake. C. Pipe material shall conform to underdrain specifications described in KCRS 7.04 and, if non-metallic, the pipe shall contain wire or other acceptable detection. D. Drainage easements are required for drainage systems designed to convey flows through individual lots. E. The applicant/contractor is responsible for coordinating the locations of all stub -out conveyance lines with respect to the utilities (i.e. power, gas, telephone, television). F. All individual stub -outs shall be privately owned and maintained by the lot homeowner. Erosion/Sedimentation Control Notes: 1. Approval of this Erosion/Sedimentation Control (ESC) plan does not constitute an approval of permanent road or drainage design (i.e. size and location of roads, pipes, restrictors, channels, retention facilities, utilities, etc,). 2. The implementation of these ESC plans and the construction, maintenance, -eplacement, and upgrading of these ESC facilities is the responsibility of the applicant/contractor until all construction is approved. The boundaries of the clearing limits shown on this plan shall be clearly flagged in .ne field prior to construction. During the construction period, no disturbance beyond ,he flagged clearing limits shall be permitted. The flagging shall be maintained by the gpplicon t/contractor for the duration of construction. 4. The ESC facilities shown on this plan must be constructed in conjunction with all clearing and grading activities, and in such a manner as to insure that sediment laden water does not enter the drainage system or violate applicable water standards, 5. The ESC facilities shown on this plan are the minimum requirements for anticipated site conditions, During the construction period, these ESC facilities shall be upgraded (i.e. additional sumps, relocation of -ditches and silt fences, etc.) as needed for unexpected storm events. 6. The ESC facilities shall be inspected daily by the applicant/contractor and maintained as necessary to ensure their continued functioning. 7. Any area stripped of vegetation, including roadway embankments, where no further work is anticipated or a period of 15 days, shall be immediately stabilized with the approved ESC methods (i.e. seeding, mulching, netting, erosion blankets, etc,) 8. Any area needing ESC measures, not requiring immediate attention, shall be addressed within 15 days. 9. The ESC facilities on inactive sites shall be inspected and maintained a minimum of once a 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 conveyance lines shall be cleaned prior to paving. The cleaning operation shall not flush sediment -laden water into the downstream system, 11. Stabilized construction entrances and wash pads sholl be installed at the beginning of construction and maintained for the duration of the project. Additional measures may be required to insure that all paved areas are kept clean for the duration of the project. 12. During the time period of November 1 through March 31, 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 provided per Section 22-1568 (c) (6) (a-g) of FWCC. Sound Consultants General Engineering Notes. 1. Existing utilities and underground structures shown on the plan are based upon the best available public records and/or private records as supplied by the project owner and/or data obtained verbally from owners or officials associated with the particular utility. Neither the owner nor the engineer guarantee the accuracy or completeness of this information and assume no responsibility for improper locations or failure to show utility locations on the construction plans. Other underground facilities not shown on the drawings may be encountered during the course of the work. All invert elevations shown on the drawings shall be verified by the contractor prior to construction. 2. If changed conditions are encountered, the contractor shalt notify the engineer promptly of (1) preexisting subsurface conditions differing from those indicated in the plans, or (2) preexisting unknown subsurface conditions, of an unual nature, differing materially form those ordinarily encountered and generally recognized as inherent in work of the character provided for in the contract. The contractor and/or the owner shall make no claims to the engineer for recompensation for extra work resulting from changed conditions unless the engineer has approved the work in writing. (wsdot sec 1-04.7). 3. The contractor shall call the utilities underground location center for field location of all utilities and shall not begin excavation until all known underground facilities in the vicinity of the proposed work have been located and marked. If the utility is not a subscriber of the underground location center then the contractor shall give individual notice to that utility, (wsdot sec. 1-07.17 apwa supplement). 4. The contractor shall take reasonable precautions and exercise sound engineering and construction practices in conducting the work. The contractor shall protect existing public and private utilities from damage during construction. If existing utilities are damaged, the contractor shall immediately notify the owner and the engineer. The contractor shall restore the utility to its existing condition. (wsdot section 1-07.17 apwo supplement). The contractor is responsible for the means and methods of condstruction for designs shown on these plans. 5. Where the plans call for utilities to be relocated by others, the contractor shall notify the utility company and coordinate his work so as to avoid conflicts. 6. All excavation, trenching, subgrade preparation, fill placement and compaction and all soil work in general shall be conducted in compliance with the recommmendations of the project soils engineer and the current geotechnical engineering report. 7. Engineering design and approval for structures such as, but not limited to, walls, pavement and vaults must be prepared by the appropriate professional engineer and is not a part of these plans. VICINITY MAP NSCALE:1"=2560' DEVELOPER CITY OF FEDERAL. WAY 33530 - 1st WAY SOUTH FEDERAL WAY, WA 98063-4129 SOUND CONSULTANTS, LLC MR. JIM HARRISON 10509 NE 120th PLACE KIRKLAND, WA 98034 (425) 765-5053 SHEET INDEX C-101 COMER SHEti C-102 EROSION CONTROL PLAN ARCHITECT CLARK ARCHITECTS, PLLC DAVID A. CLARK, AIA 11737 SE 256th PLACE KENT, WA 98031-7897 (253) 813-8877 SITE ADDRESS 600 & 700 S. 333rd STREET FEDERAL WAY, WA PARCEL NUMBERS; 9265000180 & 9265000190 C-103 GRADING & DRAINAGE PLAN, PHASE 1 C-104 GRADING & DRAINAGE PLAN, PHASE 2 C-105 MISCELLANECJS DETAILS C-106 MISCELLANEOUS DETAILS LEGEND 100 - - �--- 100 CF TC FL BW CB GR IE CO RD T.1, - --R- - - EXISTING CONTOUR PROPOSED CONTOUR CURB FACE TOP OF CURB FLOWLINE BACK OF WALK CATCH BASIN GRATE ELEVATION INVENT ELEVATION CLEANOUT ROOF DRAIN TOP OF ISLAND RIDGE SWALE ASP; ALT SURFACING C01`?I::RETE SURFACING VtOx/ 1<,v,7 6tYIl n� oil 4��►� t9p"-�J 1 REk9URMITTED MAY 0 7 2004 Lr �� Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) U a PO- O M 0o to rM Z 3 ao a 0 Z)z a oa "Ci ZJ x o O 00 it Z`1 LLJ 2 Z.) Q 0 aaoa w 0 >Z to wO�E ON �d 0^ N Z w r/J JZ v rn m 0 0t r/1 u) o O O a c� U PROJECT NO. 2003012.00 DRAWN BY: JW CHECKED BY: HEH U) H W J V W LL. Y LU LL.LL Z V Ow a Q V Ifl r 3 a of 0 SHEET TITLE COVER SHEET SHEET NO. t A AAI SW 1/4 OF SEC. 0 17, TWP. 21 N., RGE. 4 E., W.M. M GRAPHIC SCALE ( IN FEET ) 1 inch = 40 ft. / R6�S�3 r 3316062 r6� <'Q, A8" c C+�qA tiF Shy NOTE: ALL EXISTING TOPOGRAPHIC INFORMATION SHOWN HEREON WAS TAKEN FROM A SURVEY PREPARED BY ESM CONSULTING ENGINEERS, , JOB No. 191-69-002-0001, DATED 04-24-03. SOUND CONSULTANTS, LLC, ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THAT EXISTING INFORMATION. THE CONTRACTOR SHALL VERIFY, AS FIRST ORDER OF CONSTRUCTION, THE HORIZONTAL AND VERTICAL LOCATIONS OF ALL CRITICAL POINTS OF CONNECTION AND IMMEDIATELY NOTIFY THE OWNER AND/OR ENGINEER OF ANY SIGNIFICANT DISCREPENCY WHICH WOULD PREVENT THE CONSTRUCTION OF THAT DEPICTED HEREON. !F, S?g 89r !F .�2 cols �'tiq 32 000 1 R &. 0 2y8C�AA,o N Nyy CONSTRUCTION SEQUENCE 1, CONTACT THE CITY OF FEDERAL WAY PUBLIC WORKS DEPARTMENT AND SCHEDULE A PRECONSTRUCTION MEETING, 2, INSTALL STABILIZED CONSTRUCTION ENTRANCE. 3. INSTALL FILTER FABRIC FENCE AND CB PROTECTION. 4. PERFORM DEMOLITION OPERATIONS AS REQUIRED. 5. ALL TEMPORARY AND PERMANENT EROSION CONTROL MEASURES SHALL BE MAINTAINED AND REPAIRED AS NEEDED TO ASSURED CONTINUED PERFORMANCE. THESE MEASURES SHALL BE REPAIRED TO THE ORIGINAL DESIGN CONDITION. 6. PRIOR TO ANY CONSTRUCTION THE CONTRACTOR SHALL REVIEW THE RECOMMENDATIONS OF THE SITE GEOTECHNICAL ENGINEERING REPORT PREPARED BY LANDAU ASSOCIATES, DATED OCTOBER 31, 2003. 7. INSTALL NEW UTILITIES AND STORM DRAINAGE STRUCTURES AS DETAILED ON THE PLANS. TRENCH EXCAVATIONS SHALL BE OBSERVED IN THE FIELD BY AN ON -SITE SOILS ENGINEER. IT MAY BE NECESSARY TO INSTALL GEOTEXTILE FABRIC IN THE TRENCH PRIOR TO PLACEMENT OF GRANULAR BEDDING FOR PIPES AND CATCH BASINS. 8. DURING THE CONSTRUCTION PERIOD, ANY AND ALL POLLUTANTS OTHER THAN SEDIMENT WHICH ARE USED ON SITE SHALL BE HANDLED AND DISPOSED OF IN A MANNER WHICH DOES NOT CAUSE CONTAMINATION OF STORMWATER. 9. FINAL GRADE AND PAVE SITE. 10. LANDSCAPE OR HYDROSEED ALL EXPOSED AREAS. 11. CLEAN STORM DRAINAGE SYSTEM (DO NOT FLUSH) AFTER VEGETATION HAS BEEN ESTABLISHED. 12. REMOVE ALL EROSION CONTROL MEASURES WHEN ENTIRE SITE IS STABILIZED. ALL TEMPORARY EROSION CONTROL MEASURES SHALL BE REMOVED 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THEY ARE NO LONGER NEEDED. TRAPPED SEDIMENT SHALL BE REMOVED OR STABILIZED ON SITE. DISTURBED AREAS RESULTING FROM SEDIMENT REMOVAL SHALL BE PERMANENTLY STABILIZED. 13. FINAL INSPECTION. Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) 0 M M M O00 N to °' r, �\ z3 ro _O N + m vc NQ Z J x C O V Of N H Y LI MU O 0-tO _j LO a. I r �'o w� ^dON 0^ N Z v 0) C O O N t O O O O- cn V PROJECT NO. 2003012.00 DRAWN BY: JMi HEH Z 0 zz_ x a 3 U) H W a H ~ J J (=j a w LL. Uj C7 LL Z � Q � V Q o } Q 3 J Q Of W W w SHEET TITLE EROSION AND SEDIMENTATION CONTROL PLAN tea• 4�1�[cLT337 SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. O I GRAPHIC SCALE ( IN hLLI 1 inch = 40 ft. � Q PARKING LOT STANDARDS TOTAL STALLS = 115 STALL WIDTH = 8.50' STALL DEPTH = 18.00' AISLE WIDTH = 25.50' FOR HORIZONTAL CONTROL, PLEASE NOTE; CONTRACTOR SHAL44 LAYOUT SITE PER ENGINEER PROYibED AUTOCADD FILE. F .j NOTE: ALL EXISTING TOPOGRAPHIC INFORMATION SHOWN HEREON WAS TAKEN FROM A SURVEY PREPARED BY ESM CONSULTING ENGINEERS, , JOB No. 191-69-002-0001, DATED 04-24-03. SOUND CONSULTANTS, LLC, ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THAT EXISTING INFORMATION. THE CONTRACTOR SHALL VERIFY, AS FIRST ORDER OF CONSTRUCTION, THE HORIZONTAL AND VERTICAL LOCATIONS OF ALL CRITICAL POINTS OF CONNECTION AND IMMEDIATELY NOTIFY THE OWNER AND/OR ENGINEER OF ANY SIGNIFICANT DISCREPENCY WHICH WOULD PREVENT THE CONSTRUCTION OF THAT DEPICTED HEREON. hvm CUT = 10430 cu. yds. FILL = 7908 cu. yds. NET = 4908 cu. yds. EXPORT. 'Ai Qk� Cy-1 v SF, 32 &0, ✓F u0 Syy STORM DRAIN LEGEND OA CB#1, TY I GR=338.88 IE=335.88 O 61 LF 12" PVC SO @ 1.00% O CB#2, TY I GR=338.88 IE=335.27 O 66 LF 12" PVC SD ® 1.00% O CB#3, TY I GR=338.88 IE=334.61 0 77 LF 12" PVC SD ® 8.20% OG BYPASS MANHOLE #1 (SEE DETAIL SHEET C-106) RIM=335.10 IE=325.27 IE=330.00 (N—FUTURE KNOCKOUT) 19 LF 12" PVC SO ® 1.00% OI STORMGATE SEPARATOR (SEE DETAIL SHEET C-106) RIM=335.60 IE(in)=328.08 �1 IE(out)=327.98 OJ 7 LF 12" PVC SD ® 1.00% O 8'x18' LEAF COMPOST STORMFILTER VAULT (SEE DETAIL SHEET C-106) TOP= 336.43 IE(in)=327.91, IE(out)=325.61 LO 32 LF 12" PVC SD @ 1.00% OM 58 LF 12" PVC SD © 5.14% NO MH #2, TY II-48" O W/SOLID, LOCKING COVER RIM=339.00 IE=325.29 c� , 0 156 LF 15" f Vp SD © 1.00% a --r- �W' OP MH #3 TY 11-48" 0 a W/SOLID, LOCKING COVER RIM=334.0t (MATCG EX GRADE) �C IE=324.31 Q 22 LF 15" ,(V�/SD ® 12.39% �J JIB R JOIN EXISTING CATCH BASIN IE(in)=320.91 O G S CB TY I GR=333.90 ti�lz 0 25 LF 12" PVC SD @ 7.13% �� 3 • Q ' O JOIN EXISTING 12" PIPE, IE=(334.24) O 20 LF 12" SD (MATCH MAT'L & SLOPE) O MH TY II-48" 0 W/SOLID, LOCKING COVER RIM=340.00 IE(S)=329.06 0 IE(E)=329,06(MIN) SEE NOTE "V" x 0 40 LF 18" SD (MATCH MAT'L) ® 0.77% Y JOIN EXISTING PIPE, IE=(328.74) 51�n5 �M9 115 g� d d✓W rn���t� F?py 1 -^C-10 -'Rowkm'AyrePl �r'' � 9 y — (fn cq �✓rFFe c` d,'-tC*ers er r-4mee5 aley I4s ddlrv"�ej - v�l� i�lou� ,j ,,6, da+vm a3 / C vry ` a—" n Call 2 Working Days Before You Dig 1-800-424-5555 � Utilities Underground Location Center (ID,MT,ND,OR,WA) a a .tM �to M tz a -� r . to J p N +� V)a �� Z -J x O 0 of N N Y M �Q 0. o 0 j to a w N 0 0 m wp � ON 0 O z ui N w V J Z v i p O O O p O_ c� V PROJECT NO. 2003012.00 DRAWN BY: JVH CHECKED BY: HEH z 0 z z a 3 v) � U iW U Q a W LL, Y W C� LL.LJL Z U O a Q _ 0 U j 0 r a 3 a Of w w SHEET TITLE SITE GRADING & DRAINAGE PLAN PHASE 1 ,—t.— L1VEL SHEET NO, CITYFL WAY N EE f ') O 0 N w V) N r Q 3 w Uf a 2 a 0 i N s 0 N LJ a z w GRAPHIC SCALE 20 40 80 ( IN FEET ) 1 Inch = 40 ft. PARKING LOT STANDARDS TOTAL STALLS = 62v STALL WIDTH = 8,50' STALL DEPTH = 18.00' AISLE WIDTH = 25.50' FOR HORIZONTAL CONTROL, PLEASE NOTE; CONTRACTOR SHALL LAY OUT SITE PER ENGINEER PROVIDED ELECTRONIC DATA FILE. 0 F3/60 a 0 SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. STORM DRAIN LEGEND SANITARY SEWER LEGEND OA CB#1, TY I O1 CLEANOUT GR=335.10 RIM=340.00 (MATCH GRADE) IE=331,60 IE=(332.18) JOIN O 61 LF 12" PVC SO ® 1.00% O2 15 LF 6" PVC SDR35 SS ® 36% O C6#2, TY I O CLEANOUT GR=335.10 RIM=338.40 IE=330.99 IE=327.58 �D 66 LF 12" PVC SD ® 7.82% �a 42 LF 6" PVC SDR35 SS ® 2.00% 1 fi5 OE JOIN EXIST MANHOLE O5 CLEANOUT RIM=(335.10) RIM=338.24 IE=(330.33) IE=328.42 Os 87 LF 6" PVC SDR35 SS ® 2.00% O7 CLEANOUT h</ RIM=335.75 IE=330.17 CROSSING!!! </ IE(6"SS)=328.11 IE(12"SD=333.04 /�� O CROSSING!!! IE(6"SS)=329.58 , IE(12"SD=330.49 NOTE: ALL EXISTING TOPOGRAPHIC INFORMATION SHOWN HEREON WAS TAKEN FROM A SURVEY PREPARED BY ESM CONSULTING ENGINEERS, , JOB No. 191-69-002-0001, DATED 04-24-03. SOUND CONSULTANTS, LLC, ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THAT EXISTING INFORMATION. THE CONTRACTOR SHALL VERIFY, AS FIRST ORDER OF CONSTRUCTION, THE HORIZONTAL AND VERTICAL LOCATIONS OF ALL CRITICAL POINTS OF CONNECTION AND IMMEDIATELY NOTIFY THE OWNER AND/OR ENGINEER OF ANY SIGNIFICANT DISCREPENCY WHICH WOULD PREVENT THE CONSTRUCTION OF THAT DEPICTED HEREON. ktiil\ �-01 N't ebb )01 for 1 3 S 2 32Q 8'9 S/ r'Q/,� 3�3 /cQ•• �F ,?2�60 O c A�A� NF m 6 A ,Y\ .....� Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) `^l M_ M OM O fz 0 M z 3 °o a 7z N Na "c z J X O 0 y J' N U3 �0 N� a W to= ro wor,,= ON N N OCNI z w a z .� rn c O O � L cn U !OJECT Na DRAWN BY: HEH z 0 CD z 3 IH > U W J a a W LL W C9 U. Z U ow � CL U > a 0 r Q 3 J Q W 0 EET TI SITE GRADING & DRAINAGE PLAN \ PHASE 2 SHEET NO. 0941 4 in x. OUILDING DEPT. a 0 2'x4" DOUGLAS FIR SUPPORT POST FILTER FABRIC - NEWLY GRADED OR DISTURBED SLOPE SECTION ATTACH FILTER FABRIC TO POST WITH WIRE MIRAFI 140 OR EQUAL RINGS OR STAPLES FILTER FABRIC 2"x4" DOUGLAS FIR — POSTS 0 3" O.C. MIN. EX. GROUND EXTEND BOTTOM OF FILTER FABRIC INTO 4" WIDE BY 4" DEEP TRENCH ELEVATION FILTER BARRIER DETAIL NO SCALE CONSTRUCTION NOTES: FILTER BARRIER - THIS SEDIMENT BARRIER MAY BE CONSTRUCTED USING BURLAP OR STANDARD STRENGTH SYNTHETIC FILTER FABRIC. IT IS DESIGNED FOR LOW FLOW OR MODERATE FLOWS NOT EXCEEDING 1 C.F.S. 1. THE HEIGHT OF A FILTER BARRIER SHALL BE A MINIMUM OF 15 INCHES AND SHALL NOT EXCEED 18 INCHES. 2. BURLAP OR STANDARD STRENGTH FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL AND CUT TO THE LENGTH OF THE BARRIER TO AVOID THE USE OF JOINTS (AND THUS IMPROVE THE STRENGTH AND EFFICIENCY OF THE BARRIER). 3. THE STAKES SHALL BE SPACED A MAXIMUM OF 3 FEET APART AT THE BARRIER LOCATION AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 8 INCHES). 4. A TRENCH SHALL BE EXCAVATED APPROXIMATELY 4 INCHES WIDE AND 4 INCHES DEEP ALONG THE LINE OF STAKES AND UPSLOPE OF THE BARRIER, 5. THE FILTER FABRIC SHALL BE STAPLED TO THE WOODEN STAKES AND 8 INCHES OF THE FABRIC SHALL BE EXTENDED INTO THE TRENCH. HEAVY DUTY WIRE STAPLES AT LEAST 1/2 INCHES LONG SHALL BE USED. FILTER MATERIAL SHALL NOT BE STAPLED TO EXISTING TREES. 6. THE TRENCH SHALL BE BACKFILLED AND THE SOIL COMPACTED OVER THE FILTER MATERIAL. 7, IF A FILTER BARRIER IS TO BE CI=ONSTRUCTED ACROSS A DITCH LINE OR SCALE, THE BARRIER SHALL BE OF SUFFICIENT LENGTH TO ELIMINATE END FLOW, AND THE PLAN CONFIGURATION SHALL RESEMBLE AND ARC OR HORSESHOE WITH THE ENDS ORIENTED UPSLOPE. 8. FILTER BARRIERS SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED, MAINTENANCE NOTES: 1. SILT FENCES AND FILTER BARRIERS SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS SHALL BE MADE IMMEDIATELY. 2. SHOULD THE FABRIC ON A SILT FENCE OR FILTER BARRIER DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY. 3. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY MUST BE REMOVED WHEN DEPOSITS REACH APPROXIMATELY ONE—HALF THE HEIGHT OF THE BARRIER. 4. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT FENCE OR FILTER BARRIER IS NO LONGER REQUIRED SHALL BE DRESSED TO CONFORM WITH EXISTING GRADE, PREPARED AND SEEDED. R=10'MIN.' 12"MIN. 4"-6" 6QUARRY SPALLS PROVIDE FULL WIDTH OF INGRESS/EGRESS AREA STABALIZED CONSTRUCTION ENTRANCE L C3 o DUST CONTROL H— N PURPOSE o- a TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES. J 3 CONDITIONS WHERE PRACTICE APPLIES p N IN AREAS (INCLUDING ROADWAYS) SUBJECT TO SURFACE AND AIR MOVEMENT OF DUST a WHERE ON AND OFF SITE DAMAGE IS LIKELY TO OCCUR IF PREVENTIVE MEASURES ARE c NOT TAKEN. i DESIGN CRITERIA/SPECIFICATIONS N CD O MINIMIZE THE PERIOD OF SOIL EXPOSURE THROUGH USE OF TEMPORARY GROUND o COVER AND OTHER TEMPORARY STABILIZATION PRACTICES (SEE SECTION 5.5, `V COVER MEASURES). a O SITE IS SPRINKLED WITH WATER UNTIL SURFACE IS WET. REPEAT AS NEEDED. J TO PREVENT CARRYOUT OF MUD ONTO STREET, REFER TO STABLIZED CONST- SW 1/4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. " ASPHALTIC CONCRETE (AC) CLASS B OVER CRUSHED ROCK BASE (CRB) MATERIAL, OR, ,jr,eAC CLASS B OVER 3" OF ASPHALTIC TREATED BASE (ATB) MATERIAL. (SEE GEOTECHNICAL ENGINEERING REPORT DATED OCTOBER 31, 2003, PREPARED BY LANDAU ASSOCIATES FOR COMPLETE PAVING AND SUBGRADE PREPARATION SPECIFICATIONS). PAVEMENT SECTION NOT TO SCALE PLACE 3 ft SQUARE (t) OF FILTER -FABRIC MATERIAL ABOVE GRATE & SECURE WITH GRAVEL DAM OR AS SHOWN. REPLACE UPON FIRST SIGNS OF FAILURE. e � a' SILT CONTROL AT C.B.'S NO SCALE �0• BACKFILL MATERIAL (SEE NOTE 5) CONCRETE CLASS C % (SEE NOTE 8) O_ FOUNDATION (�" "��-/ LEVEL �sr RESIDENTIAL —� 10'-0" MIN, 20'-0" MAX. COMM JINDUSTR. 30' - 0" 2-LANE 40' - 0" 3-LANE EXPANSION JOINT 2" CSTC for RESIDENTIAL 4" CSTC for COMMERCIAL - VARIES 0.08 FfF� AFT_ BACKFILL MATERIAL — (SEE NOTE 5) BEDDING MATERIAL FOR RIGID PIPE (SEE NOTE 6) FOUNDATION LEVEL BEDDING MA FOR FLEXIBL (SEE NOTE FOUND, W NOTE 4) I LIMITS OF PIPE ZONE 2C m (CLASS A DESIGN) W (SEE NOTE 4 LIMITS OF PIPE ZONE (CLASS B,C,D, DESIGN) BEDDING FOR RIGID PIPE 2(0 U u LIMITS OF PIPE ZONE (CLASS F DESIGN) BEDDING FOR FLEXIBLE PIPE RIGHT-OF-WAY LINE Y Y \ Y Y Y • Y Y Y Y Y Y Y W Y Y W Y Y Y YYY Y YYY Y Y Y p\ll CURB 0.02 Flf./FT. 0 p2M,y,. r RIGHT -OF -WAY LINE MATCH EXISTING DRIVEWAY GRADE CEMENT CONCRETE DRIVEWAY 6" THICK SECTION A —A Q' Y Y Y Y Y W Y W Y W ♦ Y Y Y Y ♦ Y Y Y YYY Y V Y Y Y Y Y Y Y V Y Y Y W Y Y Y ♦ Y Y Y URB TAPER 1\ Y V Y ♦ Y Y �f%(Q/��K Y Y Y Y SIDEWALK PLANTING STRIP, IF ANY. NOTES: NOTES: 1. PROVIDE UNIFORM SUPPORT UNDER BARREL. 2. HAND TAMP UNDER HAUNCHES. 3. COMPACT BEDDING MATERIAL TO 95% MAX. DENSITY EXCEPT DIRECTLY OVER PIPE. 4. SEE "EXCAVATION AND PREPARATION OF TRENCH" IN THE SANITARY SEWERS SECTION OF THE STANDARD SPECIFICATIONS FOR TRENCH WIDTH "W" AND TRENCHING OPTIONS. THE PIPE ZONE WILL BE THE ACTUAL TRENCH WIDTH, EXCEPT FOR CLASS A BEDDING THE MINMUM CONCRETE WIDTH SHALL BE 1-1/2 I.D. + 18". 5. TRENCH BACKFILL SHALL CONFORM TO "BACKFILLING SEWER TRENCHES" IN THE SANITARY SEWERS SECTION OF THE STANDARD SPECIFICATIONS, EXCEPT THAT ROCKS OR LUMPS LARGER THAN 1" PER FOOT OF PIPE DIAMETER SHALL NOT BE USED IN THE BACKFILL MATERIAL. 6. SEE "BEDDING MATERIAL FOR RIGID PIPE" IN THE AGGREGATES SECTION OF THE STANDARD SPECIFICATIONS FOR THE MATERIAL SPECIFICATIONS. 7. SEE "BEDDING MATERIAL FOR FLEXIABLE PIPE" IN THE AGGREGATES SECTION OF THE STANDARD SPECIFICATIONS FOR THE MATERIAL SPECIFICATIONS. 8. PIPE MUST BE ANCHORED IN SUCH A MANNER AS TO ENSURE FLOW LINE IS MAINTAINED. BEDDING CLASS DESIGN DIMENSION CLASS A CLASS B CLASS C CLASS D CLASS F A 4" MIN. 1/4 I.D. 12" MAX. ZERO B 1/4 O.D. 1/2 O.D. 1/8 O.D. ZERO O.D. C 3/4" O,D 1/2 O.D. 1/8 O.D. O.D. 1 • COMMERCIAL/INDUSTRIAL DRIVEWAYS WIDER THAN 40' MAY BE APPROVED BY THE ENGINEER CONSIDERING TRAFFIC SAFETY AND NEEDS OF THE ACTIVITY SERVED. ALL COMMERCIAL/INDUSTRIAL DRIVEWAYS SHALL HAVE AN EXPANSION JOINT LOCATED MID -WIDTH. SEE KCRS SEC. 3.04. 2. SEE SEC. 3.2.13 CURB & GUTTER SECTION DRIVEWAY NOT TO SCALE *A = 4" MIN. 27" I.D. AND UNDER 6" MIN, OVER 27" I.D. PIPE BEDDING DETAIL REF WSDOT STANDARD PLAN B-18c (NO SCALE) Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) U a MM 1.)00 O 0 O 17 Z 3 04 W H • N Jp NY• d N Q v C Z J X O OY 00 ` W M W �Upg a < L w I O > L (0 WOp E pN td in N Z W "t J Z v O O O L O O Q c� U PROJECT NO. 2003012.00 DRAWN BY: JVH CHECKED BY: HEH Z L7 Z_ Q U) W a J U V a W LL. W ftL Z � V O a a Ifl L) j a ifl r a 3 a tr w 0 SHEET TITLE MISCELLANEOUS DETAILS SHEOEwOEIVED C.109 6 zV A CITY OF FEDNU RUCTION ENTRANCE. GENERAL NOTES I.) STORMALTER BY STORNMATER MANAGEMENT, PORTLAND, OREGON (503-240-3393). 2.) ALL STORMFILTERS REWIRE REGULAR MAINTENANCE. REFER TO OPERATION AND MAINTENANCE GUIDELINES FOR DETAILS, 3.) PRECAST CONCRETE VAULT TO BE CONSTRUCTED IN ACCORDANCE WITH ASTM 08% 4.) INLET AND OUTLET PIPING TO BE SPECIFIED BY ENGINEER AND PROVIDED BY CONTRACTOR. 5.) ANTI -FLOATATION BALLAST TO BE SPECIFIED BY ENGINEER. BALLAST TO BE SET ALONG ENTIRE LENGTH OF BOTH SIDES OF VAULT. BALLAST MATERIALS TO BE PROVIDED BY CONTRACTOR. 6.) PRECAST STORMFLLTER EQUIPPED PATH KNOCKOUTS AT ALT. INLET/OUTLET LOCATIONS. CCRINGS AVAILABLE WHEN SPECIFIED. 7) DETAIL REFLECTS DESIGN INTENT ONLY. ACTUAL VAULT DIMENSIONS AND CONFIGURATION WILL BE SHOWN ON THE PRODUCTION SHOP DRAWING, FOR PIPE (SEE NOTE 6) 8'x16' PRECAST STORMFILTERN- PLAN VIEW a 1 SCALE: N.T.S. 1 8' X 16' PRECAST RIM ELEVATION(S): 1 - 336.3D 4 - 336.30 STORMFILTER" DATA 1 no,4� DESIGN WATER OUPLITY FLOW cla 0.97 2~3 PEAK FLOW (o(9) 0.97 2 = 336.30 / \3 = 336.30 RETURN PERIOD OF PEAK FLOW (YI-)l 2 YR DOOR OPENING DIRECTION: (FACING OF CARTRIDGES REQUIRED 33 DOWNSTREAM -SEE FIGURE ABOVE) OR 'I TO 2. '2 TO 1' INLET NOTES/SPECIAL REQUIREMENTS: The sl0 U.S. PATENT No. 5,322,029, No. 5.624.576, No. 5,707.527 AND OTHER U.S. AND FORBLGN PATENTS PENDING 30'9 MANHOLE IF 8'x16' PRECAST STORMFILTER - SEGIIUN VILW i'A-HA RHEEr L CXEQ1CO - `"Ec" MCN: 8'X 16' PRECAST STORMFILTER`" IWM.W or: unrovTo IOU: AIWt. M1E: J/1 Rare "- - • uFR_ PLAN AND SECTION VIEW STANDARD DETAIL SCALE: PROJECT NO, DRAWING FIE MANAGEMENT INC. SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. BYPASS MH DATA BY-P MH #1 54" CATCH BASIN DIA. TOP ELEVATION (TE) TE 335.10 RISER DIAMETER NA OVERFLOW RISER ELEV NA DESIGN WATER SURFACE ELEVATION 329.27 OUTLET DIAMETER 12" INVERT ELEVATION (IE) 328.27 ORIFICE DIAMETER 3" BYPASS IE OUT 328.27 WEIR ELEV 329.91 INLET CHAMBER SEPARATION CHAMBER I i q s . .A• 1, SEPARATION .1 CHAMBER 2 �' ° OUTLET CHAMBER 0 0 0 0 A: .• a12"o TRANSFER OPENING (TYP) 4 �.1. :••� I F SHEET DATE 1 ISY G IREVISION ADDED FLOW DUFF. & NEW SG STORMGATE SEPARA 000 PLAN AND SECTIO IEW STANDARD DRAWING 'Nw{iv - STORMWATM MANASIMfNT INC. (800)548-4667 112 1 DESIGNED BY: AG DRAWN BY: ARG DATE: 1/30/03 PROJECT NO.: XXXX DRAWING FILE NAME: SGS 2000.DWC BYPASS MH DETAILS j to bypass conveyance system or detention pond type - 2 C.B. no base channel req'd PLAfl -OIEW round solid lid NTS (see KCRS dwg 2-022 and 2-023) 4k" � 329.91 baffle to control floatables or provide spill control upstream top of pipe at WQ design water surface elevation and head losses in outlet pipe GENERAL NOTES inflow ladder (typ.) 1.) STORMCATE SEPARATOR BY STCRMWATER MANAGEMENT INC., PORTLAND, OREGON 800/548-4667, 2.) PRECAST CONCRETE VAULT TO BE CONSTRUCTED IN ACCORDANCE WITH ASTM C857 ANO C&56. 1) INLET AND OUTLET PIPING TO BE SPECIFIED BY ENGINEER AND PROMOED BY CONTRACTOR. 4.) PRECAST STORMCATE SEPARATOR EQUIPPED WITH EITHER CORED OPENINGS OR KNOCKOUTS AT INLET/OUTLET LOCATION. 5.) SEE PRECAST STORMGATE SEPARATOR DATA BLOCK FOR MODEL NUMBER, ORIFICE BOX CONFIGURATION, AND WEIR SETTING. S.) CONTRACTOR TO ADJUST WEIR TO DESIGN ELEVABON. WHEN SETTING SCREWS ON WEIR PLATE DO NOT EXCEED 5.0 FT-LSS TOURQUE. SEAL WEIR WITH SILICONE SEALANT AFTER FINAL ADJUSTMENT, 7.) ALL STORMGATE SEPARATORS REQUIRE REGULAR MAINTENANCE, REFER TO OPERATION AND MAINTENANCE GUIDELINES FOR DETAILS. &) DETAIL REFLECTS DESIGN INTENT ONLY. ACTUAL VAULT DIMENSIONS AND CONFIGURATION WILL BE SHOWN ON THE PRODUCTON SHOP DRAWING. E .E i� 6 k_1 1 Ar 61 O solid bottom (provide maintenance access) SECTKYN-A NTS baffle to control dia. of standpipe* %I (2 x dia. of outlet pipe recofrimended as ktarting point) to water quality facilit overflow riser elev. w/ watertite cap ® 331.00 "tee" section with cleanout (or removable bend -down elbow) OF-Z/ =>to water quality IJ facility. IE(out)=328.27 N orifice sized to pass WQ design flow *NOTE:Diameter (d) of standpipe should be large enough to minimize head above WQ design WS and to keep WQ design flows from increasing more than 10% during 100-year flows. BYPASS MH #1 DETAILS STORMGATE SEPARATOW"DATA SGS MODEL NUMBER 2000 WATER QUALITY FLOW RATE (CFS) 0.97 PEAK FLOW RATE (CFS) 0.97 I.E. I MATERIAL DIAMETER INLET PIPE #1 328.08 LPEP 12" INLET PIPE #2 OUTLET PIPE 327.98 LPEP 12" ORIFICE BOX OPENINGS: NUMBER SIZE 2 4" VAULT DIMENSIONS (FT X FT) 6 x 12 RIM ELEVATION 335.60 WEIR ELEVATION SUPPLIER TOP OF BAFFLE WALL ELEVATION SUPPLIER TRANSFER HOLE ELEVATION SUPPLIER FLOOR ELEVATION 322.53 THE STORMGATE SEPARATOR TM TYPICAL SIZING TABLE MODEL NUMBER STORAGE CAPACITY (US Gal.) OIL CAPACITY (US Gol.) SEDIMENT CAPACITY (US Gal.) VAULT DIMENSIONS (FT X FT) DEPTH BELOW PIPE (FEET) ORIFICE BOX SIZE & NO OF ORIFICES (IN -NO.) SGS 1100 1045 180 180 6 X 10 4.D 3"-2 SGS 1400 1353 180 180 6 X 10 5.0 3"-3 SGS 2000 2013 180 180 6 X 12 5.7 4"-2 SGS 2800 2745 360 360 6 X 12 7.7 5"-2 SGS 3300 3232 360 360 8 X 16 4.5 5"-2 SGS 4200 4125 360 1 360 8 X 16 5.8 5"-3 SGS 5500 5522 597 1 597 8 X 16 7.7 5"-3 SGS 6700 6705 628 1 628 8 X 18 8.1 6"-3 SGS 8200 8157 838 838 8 X 18 9.8 6"-3 SHEET ATE D21 03 BY MG REVISION ADDED W OIFF. k NEW SG STORMGATE SEPARATOR 2000 PLAN AND SECTION VIEW STANDARD DRAWING DATE: PROJECT NO.: DRAWING FILE NAME: 1 30 03 XXXX SGS 2000.DVNG _ STORMWATER MANA68MENT INC. (800)548-4667 2/2 2 DESIGNED BY: ARG DRAWN BY; ARc 0 0 0 o� i I'7 a 0 a w J � a F_ ME LTI iffa I z U a 0) a oLO 00 z 3 ao a L J C3 04 NQ Z J X C O � w N h Z L 6 M� of a__j Le):- �a I Lu •1 n Ka E no N .-. � N N Z v LO O CO � L o O O n v� U PROJECT NO 2003012.00 DRAWN BY: JVH CHECKED BY: HEH SHEET TITLE MISCELLANEOUS DETAILS D C-106 .INM A PORTION OF THE SW 1/4 SECTION 17, T. 21 N, R. 4 E., W.M. 17 I I �000 eye — — ,1 ¢ F ly �sr % �!s <� C s o \ J LAKEHA\lEN SrWER D15rR1Cr rA'� P1✓R SURVEY RECCRD1NC, D NO. 0611220002 - n m A, F 20S 130' ACCESS AND -� > E UTILITY EASEMENT v WE:Sr CAMPUS 0FF10E 3ie RECORDING N0. 7412180380 y PAR'X DIVISION 1 4ef' 20<\A,pFc 0 SF/no�i 8050 S-F. �TF S 1) LEGAL DESCRIPTION, EASEMENTS, COVENANTS, CONDITIONS AND RESTRICTIONS ARE FROM TRANSNATION TITLE INSURANCE COMPANY COMMITMENT ORDER NUMBER 829899 DATED JULY 9, 2003. IT SHOULD BE NOTED THAT IN PREPARING THIS SURVEY MAP, ESM HAS NOT CONDUCTED AN INDEPENDENT TITLE SEARCH NOR IS ESM AWARE OF ANY TITLE ISSUES AFFECTING THE PROPERTY OTHER THAN THOSE SHOWN ON THIS MAP. ESM HAS WHOLLY RELIED ON THE ABOVE REFERENCED TITLE REPORT TO PREPARE THIS SURVEY AND THEREFORE QUALIFIES THE MAP'S ACCURACY AND COMPLETENESS TO THAT EXTENT. 2) UTILITIES OTHER THAN THOSE SHOWN MAY EXIST ON THE SITE. UNDERGROUND UTILITY LOCATIONS SHOWN HEREON ARE TAKEN FROM A COMPILATION OF LOCATE MARKS PROVIDED BY ONE -CALL UTILITY LOCATING SERVICES AND VISIBLE FIELD EVIDENCE. WE ASSUME NO LIABILITY FOR THE ACCURACY OF THE PUBLIC RECORDS. UNDERGROUND UTILITY LOCATIONS ARE ONLY APPROXIMATE. UNDERGROUND CONNECTIONS ARE SHOWN AS STRAIGHT LINES BETWEEN VISIBLE SURFACE LOCATIONS BUT MAY CONTAIN BENDS OR CURVES NOT SHOWN. FIELD VERIFICATION IS NECESSARY PRIOR TO OR DURING ANY CONSTRUCTION, TRAIL 2 234.1 BUFFER SQUARE FOOTAGE ` 9889 S.F, /. G7 Lti F gy'9s o 0 tip % YyFiOy FN ? oyFy 70 PARCEL A 55,738 S.F. 0 BASIS OF BEARNGS BASIS OF BEARINGS: PLAT OF "WEST CAMPUS BUSINESS AND OFFICE PARK" RECORDED IN VOLUME 96 OF PLATS, PAGES 50 THROUGH 53, RECORDS OF KING COUNTY, WASHINGTON VERTICAL DATUM CITY OF FEDERAL WAY. (NGVD 29) 0. —N 53'58'45" E BC7N1\11rVILL: POWER AChAJ.NJS f'RAr10N 7Rj\NSMSSJoN LINE: EASE:hA5EN r RECORDING NO, 3188-52-5 PARCEL B 56,164 S.F. ASPHALT PAVEMANT s— SOUTH 333rjN Whg&r "p iF J,9 /yid F 3 'lijp\Cy ,� 3?33ssF • 69 2;ar Fk C4fpA N lw 100' RIGHT OF WAY EASEMENT FOR TACOMA WATER LY PIPELINE REC RECORDING NO. P7607090441 - - - - I -- o 17 WEST CAMPUS OFFICE soy PARK DJVJSIOI\1 1 '0O Sr ASPHALT 5' X 25' SANITARY SEWER —EASEMENT REC. NO. 040424904 . iF 3?S02 alp iR�4s iFsi'�3 �tiF F J-Ij 3265>> < 2y •97 i�F� �? �e7 /p�c c�A s 4 J2 & - ,T yqy F i�Q0O7 �Fl 110 2R6�pAA N s(y 50 25 0 50 100 SCALE: T m 50' CONTOUR NTERVAL = 2' LEGEND HYDRANT pQ = WATER VALVE TJ•= SIGN POST (D = SANITARY SEWER MANHOLE ❑ = TELEPHONE RISER P„,]= POWER VAULT CATCH BASIN = - - - FIR TREE IR, x = CEDAR TREE — T — = UNDERGROUND TELEPHONE LINE —D — = UNDERGROUND STORM DRAIN —S — = UNDERGROUND SANITARY SEWER LOD man m g� 1f1 N M no t . Q Y c o w ® � vv c O 0�,/� M OD 00, 90 .c C C i co O m 0 -0.0 of es 'j ' 3a. Om U cm LL C TA U rn � c 3 oY 3 900 l'3 c WO 0 0- z o c� z x o3 a 3 W 0 WLL. O U JOB NO.:191-69-002-0001 DWG. NAME: A-B-TOPO DESIGNED BY: DRAWN BY: R.J.W. CHECKED BY: DATE: 02-09-04 SHEETS SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. I M PARKING LOT STANDARDS TOTAL STALLS = 115 STALL WIDTH = 8.50' STALL DEPTH = 18,00' AISLE WIDTH = 25.50' I FOR HORIZONTAL CONTROL, PLEASE NOTE; CONTRACTOR SHALL LAYOUT SITE PER ENGINEER PROVIDED AUTOCADD FILE. I Q i �i GRAPHIC SCALE 40 80 ( IN FEET ) 1 inch = 40 ft. d 20 TACOL W/�-ER.SUPPLY PIPELINE' ASEMENT -r -r-J 00 33 84" RO GH GRADE THIS 3 1 EA ONLY 3 2. ey 339;07 t �Ro 34 . 11 �1� :342,42,34 ,16 A 338.88 339.74 4' EXT. CONG. - i 3 3 1 CURB (TYP) i 4 Di 339.34 - / I SLOPE N9T�TO, , , 4 - -� � 343. 1. s _ ,EMP; 5 WIOE , 339.7 1.59 TYP 341.09 34 4 342.40 3 ASPH PAD' SLOf�E' �� I - -- saTog - - - -.,336 15 ., - ._ , i 3.392 t �X , i 0/,t r. NOTE: ALL EXISTING TOPOGRAPHIC INFORMATION SHOWN HEREON WAS TAKEN FROM A SURVEY PREPARED BY ESM CONSULTING ENGINEERS, , JOB No. 191-69-002-0001, DATED 04-24-03. SOUND CONSULTANTS, LLC, ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THAT EXISTING INFORMATION. THE CONTRACTOR SHALL VERIFY, AS FIRST ORDER OF CONSTRUCTION, THE HORIZONTAL AND VERTICAL LOCATIONS OF ALL CRITICAL POINTS OF CONNECTION AND IMMEDIATELY NOTIFY THE OWNER AND/OR ENGINEER OF ANY SIGNIFICANT DISCREPENCY WHICH WOULD PREVENT THE CONSTRUCTION OF THAT DEPICTED HEREON. 339,7 j 0.0 4 CONIC, WH 342.24 -STOPS (TYP -" 0 342.55 17 :41 5' WIDE ' EX SED 342.40 AGG CONIC WA K 341 35 47.5 '1 W� .....».�.......Y ........ ti5 ....s...................__N- _ CROSSWALK PER CITY OF E" CONCRETE CURB FEDERAL WAY DETAIL 3-27 ASPHALT PAVEMANT 6" CONCRUTF CURB � jJ' fa"J:j 4' �3 114 ; .0 � GAF CUT/FILL QUANTITIES CUT = 10430 cu. yds. FILL = 7908 cu. yds. NET = 4908 cu. yds. EXPORT. ASPHALT F� STORM DRAIN LEGEND AO CB#1, TY I GR=338.88 IE= 335.88 O 61 LF 12" PVC SD @ 1.00% O CB#2, TY I GR=338.88 IE=335.27 O 66 LF 12" PVC SD @ 1.00% O CB#3, TY I GR=338.88 IE= 334.61 O 77 LF 12" PVC SD @ 8,20% OG BYPASS MANHOLE #1 (SEE DETAIL SHEET C-106) RIM=335.10 IE=325.27 IE=330.00 (N-FUTURE KNOCKOUT) O 19 LF 12" PVC SD @ 1.007. OI STORMGATE SEPARATOR (SEE DETAIL SHEET C-106) RIM=335.60 IE(in)=328.08 IE(out)=327.98 O 7 LF 12" PVC SD @ 1.00% O 8'xl8' LEAF COMPOST STORMFILTER VAULT (SEE DETAIL SHEET C-106) TOP=336.43 IE(in)=327.91, IE(out)=325.61 OL 32 LF 12" PVC SD Q 1.007. OM 58 LF 12" PVC SD @ 5,14% ON MH #2, TY II-48"0 W/SOLID, LOCKING COVER RIM=339.00 IE=325.29 0 156 LF 15" PVC SD ® 1.007. of MH #3 TY II-48"0 W/SOLID, LOCKING COVER RIM=334.0f (MATCG EX GRADE) IE=324.31 ® 22 LF 15" PVC SD ® 12.39% OR JOIN EXISTING CATCH BASIN IE(in)=320.91 O CB TY I GR=333.90 IE=330.90 O25 LF 12" PVC SO @ 7.137. O JOIN EXISTING 12" PIPE, IE=(334.24) OV 20 LF 12" SD (MATCH MAT'L & SLOPE) OW MH TY 11-48"0 W/SOLID, LOCKING COVER RIM=340.00 IE(S)=329.06 OIE(E)=329.06(MIN) SEE NOTE "V" X 0 40 LF 18" SD (MATCH MAT'L) ® 0.77% Y JOIN EXISTING PIPE, IE=(328.74) SITE PLAN APPROVAL Permit Number: C'i 4 - 100 o a s: - L)P AppO"d Dr. L ✓GA l Krvl c Date ;a Co�runaita zza- i j:.1.`� 'Y Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) a MM M O cn 0)�1 z a �\ 3 oNo F- -. � O N N Q v C Zoy J X cc QJ' FmiiiiiiiiiIi f V �t �(L I L r�I > r (0 w E ON � - N Z LLI J Z v Z o 0 vt O O L � a �V PROJECT NO. 2003012.00 DRAWN BY: JVH CHECKED BY: HEH 0 r z z W � U W a W L.L LLJ �Q iL L. 7� O ILL w U a Q V j a 0 r 3 a Uj w W U- SHEET TITLE SITE GRADING & DRAINAGE PLAN PHASE 1 SHEET NO. MAR 1 6 20(''1 C-101OFFEDE ALWAV BUILDING EPT. SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M. I GRAPHIC SCALE 40 0 20 40 60 ( IN FEET ) 1 inch = 40 ft. STORM DRAIN LEGEND SANITARY SEWER LEGEND OA CB#1, TY I O CLEANOUT GR=335.10 RIM=340.00 (MATCH GRADE) IE=331.60 IE=(332.18) JOIN O 61 LF 12" PVC SD ® 1.00% O 15 LF 6" PVC SDR35 SS ® 367. OC CB#2, TY I O3 CLEANOUT GR=335.10 RIM=338.40 IE=330.99 IE=327.58 OD 66 LF 12" PVC SD O 7.82% 40 42 LF 6" PVC SDR35 SS Q 2.00% O JOIN EXIST MANHOLE O CLEANOUT RIM=(335.10) RIM=338.24 IE=(330,33) IE=328.42 160 O 87 LF 6" PVC SDR35 SS @ 2.00% O CLEANOUT RIM=335.75 IE=330.17 } O CROSSING!!! IE(6"SS)=328.11 IE(12"SD=333.04 9 CROSSING!!! IE(6"SS)=329.58 l�;;'=' IE(12"SD=330.49 , _ l 20 TACO MA WP�TER SUPPLY! PIPELINE'E ASEMENT i _ _ _ - _ - _ - -'- - - - - - _ - - 7 - - - - _ KEYSTONE WALL 3' HIGH MAX SLOPE NOT TO A EXCEED t •_• - (TYP) PARKING LOT STANDARDS ',T 33 .236.0 W .JOIN 7 ~ 341.13 STALL WIDTH 8.50 i 335: 9 00 u JOIN 8 4' REMOVE CURB TOTAL STALLS - 62 33 5 _ _ JOIN 33 10 g. EXT. CONC. CURB (TYP) / v STALL DEPTH = 18.00 9'HI m �3353.97.856 _ 33934 . n, 7 JOIN WIDTH 25.50 II , 335.78_ FOR HORIZONTAL CONTROL, PLEASE Ji;_� J / . � I � j -,' _� ( � 1 /_ NOTE; CONTRACTOR SHALL LAY OUT / W 338.88 -`' ' w,�. co 35-78 m 5 a TYP JOIN 1 �� SITE PER ENGINEER PROVIDED ; 3-' _ ceNc-- EEtT ---- -a -. -.------.- - ..._ __._ , ._ \ ! ELECTRONIC DATA FILE. ` o WDz �,: s3s,10 O 3' ,so STOP$ (TYP /�, D I REMOVE C .' Ak T✓ `..� I! I y a $.= �� iI .v 3938 d3.oIN, 4¢ �3.35J8 I 12'HI--' i;- " 5 AGG: WALK 7.__�- \ 37 335.78 335. 0 3° .50 338.88 J IN ! Y ..—. ..� . _..,.. 484 !i!! E ✓ f�.-m� 8 3 r I{ I 39N I h 337 56 I 3 5 JOIN a[jj _30 1 NOTE: AS FIRST ORDER OF CONSTRUCTION, I 6 CONCRETE CURB CONTRACTOR SHALL VERIFY HORI2 & VERT j ( A SPHAI.T PAVEMANT LOCATION OF EXIST SEWER STUB TO ASSURE — ABILITY TO CONSTRUCT' NEW —AS -DEPICTED NEW 1-1/TER DOMESTIC -'---- iWATER METER 6„ CONCRETE CURB 1 � <. l .. r ✓ice i NOTE: ALL EXISTING TOPOGRAPHIC INFORMATION SHOWN HEREON WAS TAKEN FROM A SURVEY PREPARED BY ESM CONSULTING ENGINEERS, , JOB No, 191-69-002-0001, DATED 04-24-03. SOUND CONSULTANTS, LLC, ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THAT EXISTING INFORMATION. THE CONTRACTOR SHALL VERIFY, AS FIRST ORDER OF CONSTRUCTION, THE HORIZONTAL AND VERTICAL LOCATIONS OF ALL CRITICAL POINTS OF CONNECTION AND IMMEDIATELY NOTIFY THE OWNER AND/OR ENGINEER OF ANY SIGNIFICANT DISCREPENCY WHICH WOULD PREVENT THE CONSTRUCTION OF THAT DEPICTED HEREON. 7, ASPHALI. S . p�� �1NLAN�7fyi I7r�� MAL Approved Br n/1;1 a JILMC- Date: _22 oL i'g1Yt e S'y r 31 ''71, Call 2 `Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center 0D,MT,ND,0R,WA) II 1.4 to M M O N NO M z3 "Q01 JO zQ N. � ° N 0 H 2Iu a0 o� :0 In Wont. O N 01 0 ^ Z W In J Z v Z o � 0 O O o r a cry U PROJECT NO. 2003012.00 DRAWN BY: JVH CHECKED BY: HEH z O Z Q 3 H U W J UN � `. a w U. z LL. O w U � a � U a r 3 a w 0 w w SHEET TITLE SITE GRADING & DRAINAGE PLAN PHASE 2 SHEEO. � �.n) C CI 94 FEDE BUILPINF �S� a m SW 1 /4 OF SEC. 17, TWP. 21 N., RGE. 4 E., W.M.In Of �pN n - W w GRAPHIC SCALE 180 ( IN FEET ) I inch = 40 ft. -EF 7 S 0 zura a U J NOTE: ALL EXISTING TOPOGRAPHIC INFORMATION SHOWN HEREON WAS TAKEN FROM A SURVEY PREPARED BY ESM CONSULTING ENGINEERS, , JOB No. 191-69-002-0001, DATED 04-24-03. SOUND CONSULTANTS, LLC, ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THAT EXISTING INFORMATION. THE CONTRACTOR SHALL VERIFY, AS FIRST ORDER OF CONSTRUCTION, THE HORIZONTAL AND VERTICAL LOCATIONS OF ALL CRITICAL POINTS OF CONNECTION AND IMMEDIATELY NOTIFY THE OWNER AND/OR ENGINEER OF ANY SIGNIFICANT DISCREPENCY WHICH WOULD PREVENT THE CONSTRUCTION OF THAT DEPICTED HEREON. RECEI VIED DEC 3 0 2003 CITY OF FEDERAL WAY BUILDING DEPT, Call 2 Working Days Before You Dig 1-800-424-5555 Utilities Underground Location Center (ID,MT,ND,OR,WA) IN a 't "' M M C� O 00 z 3 ooN Z Q v C Z J X C O 0 0 W W o D_ J a W �I _ Q ° LJ E � N � F — O N l"IJl Z W � Q Z v J 0 U1 O C � O v� U PROJECT NO. 2003012.00 DRAWN BY: m CHECKED BY: HEH z 0 _z x N Q 3 v+ � U LU Z Q Uj 0Uj L Y LL Z Q L Y J V Ow � Q � U � Q IO } 3 Q w a U- SHEET TITLE EROSION AND SEDIMENTATION CONTROL PLAN SHEET NO. C-102 quA 13 [Aid I I.91 h P0127DZI - l 19fd F d0S] ZOl ql I Ic--!Hd f7`d",/-„ - LANDSCAPE PLANTING PLAN 0 10' 20' 40' 80' (D NCIRT14 SCALE: 1"=20'-0" PLANT MATERIAL LEGEND �G Indicates Drought Tolerant Plant Material Abrev. Common Name Botanical Name Size trees * APA Autumn Purple Ash Fraxinus americana "Autumn Purple" 1.5" cal./B&B, Matched - 6' Branch DF Douglas Fir Pseudotsuja menziesii 6' hgt./B&B :k SRM Sunset Red Maple Acer rubrum "Red Sunset" 1.5" cal./B&B, Matched - 6 Branch * WRC Western Red Cedar Thuja plicata 6' hgt./B&B shrubs SITE SPECIFIC NOTES OG OregonEuonyr Euonymusalata"Compacta" * OG Oregon Grape Mahonia aquifolium :k ORR Orchid Rock Rose Cistus purpureus Oi GRAVEL PAD: Install 5/8" minus compacted crushed rock, minimum 4' de th. WB Wintergreen Barberry Berberis julianae P P WRR White Rock Rose Cistus hybridus Slope to drain away from parking lot. Enclose with PT 2x4 headers * ROD Red Osier Dogwood Cornus stolonifera anchored with lx2 stakes. %k YOD Yellow Osier Dogwood Cornus flaverimea OZ JUTE NETTING. Jute net all slopes that exceed Z F height slope. Install jute net per manufacturers instructions. symbols/ground covers at triangular planting: Ensure jute net is securely anchored at top and bottom of slope. * HYP Hypericum Hypericum calycinum Jute net to overlap 6" on edges. V11A O3 EXISTING TREES AND SHRUBS: Remove existing wundfall from * SAL Salal Gaultheria shallon shrubs. Grub out blackberries and weeds. Limb up existing trees to 20' above grade. Remove debris from site. Preserve and protect per Tree Protection Detail on Tree Retention Plan, Sheet L2.1 Jute Netting on 2:1 slopes 2 Existing Trees and Shrubs: Preserve and Protect 24" hgt./cunt. 18" hgt./cont. 18" hgt./cunt. 24" hgt./cont. 18" hgt./cunt. 18" hgt./cunt. 18' hgt./cunt. 1 gal. cont. at 36" oc at triangular spacing 1 gal. cunt. at 36" oc at triangular spacing LANDSCAPE CONSTRUCTION NOTES 1. All work performed shall conform with the City of Federal Way, landscape and irrigation requirements, codes and specifications. 2. Locate, protect and avoid disruption of all above and below grade utlilities and site features prior to construction. Contractor is responsible for any resulting damages during construction. Call before you dig at 1(800) 424-5555. 3. Clean subgrade by removing all undesirable vegetation including grasses, weeds, blackberries, scotch broom and poplar seedlings including roots. Leave subgrade in landscape areas minimum 9" below paving in shrub beds. Remove all debris from site. 4. Provide minimum 6" depth 60-40 mix from Puget Sound Topsoil (253) 833-0374 in all shrub beds. Scarify subgrade by rototilling and add topsoil on surface. Add additional topsoil as needed to contour shrub beds including required berms. 5. Provide minimum 2" depth fine blend hem -fir mulch to all planting beds. Mulch from Sawdust Supply, Kent, Washington. Fill all planting beds and lawn areas to within I" of top of all curbs and walks. Slope all planting beds and lawn areas to drain. 6. Provide one (1) year warranty for all plant materials and workmanship. 7. Verify all quantities shown on the plant list and plans. If discrepancies exist between the graphic representation and the numeric totals, the graphic representation shall rule. 8. All plant materials to be specimen quality with full, symmetrical trunk and foliage, unless otherwise noted. Fertilize all plantings with "Osmacote' plant granules. Install 2 cups per tree larger than T, 1 cup per tree less than 3", 1/2 cup per 5 gal., 1/4 per 2 and I gal., 1/8 cup per 6" and 4" pots. Place at base of plant after mulch has been installed. 9. Insure proper drainage of all planting holes prior to installing plant materials. If planting holes do not drain or if heavy clay soils are evident contact landscape architect. 10. Fill all planting beds and lawn areas to within 1" of top of all curbs and walks. Berm all planting beds and lawn areas to drain. 11. Remove all construction debris from beds and asphalt to be removed 3" from behind extruded curb before plant material is installed. NEW TREE TREE TIES I/2" RUBBER HOSE W/°12 4 GAIN. WIRE (DOUBLE STRAND TWISTED) 61 RUBBER Y WATER BASIN R FIRST YEAR 'ALLATION ROSE 3 - 2 X2' WOODSTAKES 9LONG EQUALLY SPACED AROUND TREE 3' MINIMUM BELOW GRADE STAKE DEPTH AYER TREE WRAP SECURE W/ CLOTH TAPE TLEMENT TAPE UP TO BRANCH STRUCTURE SH GRA -' ' SET TREE AT ORIGINAL DEPTH 2" ABOVE FINISHED GRADE i ' ROOTBALL TOPSOIL IMPORTED' TRIP BURLAP AND TIES BACK PER NOTES 1/3 FROM BALL CROWN SUBGRAD PORT TOPSOIL PER NOTES EXCAVATE AREA 2 TIMES DIAMETER OF ROOTBALL. MINIMUM ITTOPSOIL AROUND ROOTBALL URNBUCLES ACH SIDE - x24 3 SIDES 24 RDWOOD OR )AR STAKES :INCLUDE ORARY WATER I, 4- BERM IRST YEAR R INSTALL. DETAR TREE PLANTING NO SCALE (i Izoz GUY SPACING TREE TIES 1/2" RUBBER HOSE W/ 12 GAUGE WIRE (GALV.) - POSITION ROOT CROWN 17 ABOVE FINISH GRD. - 7 MULCH LAYER AFTER SETTLEMENT (MULCH TYPE PER SPEC.) -FINISH GRADE REMOVE TOP THIRD OF BURLAP FROM BALL EXCAVATE 2-1/2 TIMES DIAMETER OF ROOT BALL DETAIL: CONIFER PLANTING NO SCALE SOIL MIX — 4" 0 NEW SHRUB ® -7 MULCH SUBGRADE 12" MIN. DETAIL: SHRUB PLANTING NO SCALE SUBGRADE B&B PLANT: REMOVE BURLAP & TIES FROM TOP OF ROOT BALL CONTAINER PLANT: SCARIFY SIDES OF ROOTBALL [IM" O Ec2 PLANT CENTER ROW SPACING AS NOTED ON O PLAN (TRIANGULAR) SET PLANTS ® ORIGINAL DEPTH A FINISH GRADE, PRIOR TO SPREAD MULCH. 2' MULCH (TYPE PER SPECS) FINISH GRADE BACKFR.L SOIL MIX (MIX PER SPECS.) EXISTING SUBGRADE DETAIL: GROUND COVER PLANTING VM"�*ROVAL it fnQ _ Jo0& 'u APOOVA0 DMA .WWO-F Lauchlin R. Bethune Associates ■ Landscape Architecture & Planning, ASLA P.O.Box 1442 phone: (425) 432-9877 Maple Va11ey,Washington 98038 fax: (425) 432-9878 STATE OF tYAS GTON D RCHITECT C R. BETHURE CERTIFICATE NO. 462 FOR SUBMIT ► AL ONLY - NOT FOR CONSTRUCTION USE DAVID A. CLARK 98031-7897 ownrA City of Federal Way Federal Way, WA pwym City of Federal Way Parking Lot Federal Way, WA 108M #23204 nu" W. LJL CFR+.(.WD AY: LRB DAM 03/15/04 U.Mlow. SHAATTD'LP: LANDSCAPE PLANTING PLAN SD 1" = 20'-0" RECEIVED PAGA P'n!®YR LJA�R 1 6 ZOUd CITYBUILD NG DEWAY P TREE RETENTION PLAN 0 10' 29 4Y 80' SCALE: 1"=20'-0" *NOTE: HYDROSEED FOR EROSI01 CONTROL ALL FILLED OR GRADED AREAS HAND EXCAVATE ALL WOI((22K WITHIN DRIP LINE OF Tk _ES TO REfAIIP SEDIMENT FENOE� // P!€XISTING TREE TO REMAIN, RESERVE &PROTECT " DO NOT STORE MATERIALS OR EQUIPMENT UNDER DRIP UNE OF TREE I "TREE DIAMETER I MEASURED AT 4' ABOVE GRADE; GRADE GRADE LEGEND CED Western Red Cedar DF Douglas Fir DRIP LINE — ESTABLISH DRIP LINE BY MEASURING TREE DIAMETER AT 4 FEET ABOVE GRADE. FOR EACH 1" OF DIAMETER OF TREE ADD 1'-0" OF DRIP LINE. EXAMPLE: 18" DIAMETER OF TREE _ = 18'-0" RADIUS OF DRIP LINE SEDIMENT FENCE rEXISTING GRADE EXISTING TREES #P1-* Tree to Remain; All other trees to be removed PHASE I *P1-1 18" DF *P1-2 25" DF #PI-3 30" DF PHASE II #P2-1 16" DF *P2-2 15" DF #P2-3 19" DF *P2-4 14" DF *P2-5 25" DF *P2-6 26" DF *P2-7 20" DF *P2-8 25" DF #P2-9 40" DF *P2-10 24" DF *P2-11 28" DF *P2-12 26" DF #P2-13 40" DF TREE LEGEND P1-24" DF 12" DF —0 A *P2-14" DF 0� V EXISTING RETAINED TREES: PRESERVE AND PROTECT EXISTING TREES ON ADJACENT PROPERTY TO PRESERVE AND PROTECT. EXISTING TREES PROPOSED TO BE REMOVED SIGNIFICANT TREE COUNTS Tree Retention Requirements: Phase I Phase 11 Total Significant Trees on Site 3 trees 13 trees Required to retain 25 % of significant trees on site (Significant trees to be 12" caliper or greater) 25% of Significant Trees = Phase I: 1 Significant Tree Required to be Retained 1 tree Phase II: 3 Significant Trees Required to be Retained 3 trees Tree Retention Calculations: Total Trees on Site 3 trees 13 trees Total Saved Significant Trees 3 trees 3 trees (Greater than 12" Caliper) Existing Significant Trees to be Removed 3 trees 3 trees E U � y � 5 O W � d E. U U SlIt8 PLAN M'P MAL PenMit II6r: () LI - 10 O D 3 S vn APPwdDr L5) . tIAAt Dart: Caanaawrs::: x� DAMD A. CLARK 0W City of Federal Way Federal Way, WA P ojI . City of Federal Way Parking Lot Federal Way, WA ,otiR #23204 Dm1 W.. LJL amw-.: LRB DAM 03/15/04 SIMMI Im TREE RETENTION PLAN lot = 20'-0" DETAIL: TREE PROTECTION NO SCALE FOR SUBMITTAL ONLY - NOT FOR CONSTRUCTION USE RECENED PAM MIAMM L2-MAR 1 6 Z004 CITY OF FEDERAL WAY BUILDING DEPT.