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17-102031 (3)
CITY OF �.- Federal Way re a on April 20, 2018 Stephen A. Bourne Architecture and Development 1 1012 Sand Point Way NE Seattle, WA 98125 CITY HALL 33325 8th Avenue South Federal Way, WA 98003-6325 (253) 835-7000 www cityoffederalway. com Jim Ferrell, Mayor Emailed: ste hen.bounLe comcast.net RE: File #17-102031-00-UP; PROCESS III PROJECT APPROVAL Federal Way Premier Storage, 35200 & 35204 Pacific Highway South, Federal Way, WA Dear Mr. Bourne: The Community Development Department has completed an administrative land use review of the Federal Way Premier Storage project located at 35200 Pacific Highway South on King County Parcel numbers 292104-9046, 292104-9048 and 292I04-9053. You propose to construct two self -storage buildings with a gross floor area of approximately 80,000 square feet, 5.19 acres +1-. The proposal also includes covered and uncovered outdoor storage areas along the site perimeter for oversized vehicle storage screened with a decorative serpentine wall and landscaping. The Process III Master Land Use (MLU) application submitted May 9, 2017, with subsequent resubmittals on May 26, 2017, .Tune 1, 20I7, November I4, 2017, January 5, 2018, February 23, 2018 and Apri14, 2018 (via email), is hereby approved with conditions based on the enclosed Findings for Project Approval, incorporated into this decision in full, and the following conclusions based on those facts; The proposal is consistent with the comprehensive plan; 2. The proposal is consistent with all applicable provisions of Federal Way Revised Code (F WRQ 3. The proposal is consistent with the public health, safety, and welfare; 4. The streets and utilities in the area of the subject property are adequate to serve the anticipated demand from the proposal; 5. The proposed access to the subject property is at the optimal location and configuration; and 6. Traffic safety impacts for all modes of transportation, both on and off site, are adequately mitigated. The remainder of this letter outlines the land use review process required for this development; summarizes the State Environmental PolieyAct (SEPA) process; lists conditions of the land use decision; and provides other procedural information. This land use decision does not authorize initiation of construction activities. Mr. Boume April 20, 2018 Page 2 of 4 REVIEW PROCESS The site is within the Community Business (BC) zoning district. A self -storage facility is a permitted use in this zone subject to the provisions of FW_RCe 19.220.03o, use is notlexemp �fra n SEPA and is ubje uipment sales, service, repair and rental - Self-service storage facilities. proposed Use Process III, Project Approval. The Director of Community Development makes a written decision on the Process III application based on the criteria listed under FWRC 19.65.100. SEPA PROCESS Following review of the environmental checklist, the city determined the proposal would not have a probable significant adverse impact on the environment; an Environmental Impact Statement is not required. The City of Federal Way issued all Optional Detennination of Nonsignificance (DNS) in conjunction with a Notice of Application on June 17, 2017. No comments were received by the City in response to the optional DNS and Notice of Application. The City Federal to asWay ayissued ministrat2ve Determination of Nonsignificance (DNS) on January 4, 2018, pursuant Code (WAC) 197-11-355. No appeals were received on the DNS and the SEPA determination was final on January 25, 2018. CONDITIONS OF APPROVAL The following conditions are reasonably necessary to eliminate or minimize any undesirable effects o �Q agtin pplication approval. •V92 ma landsc pi ubmitt with e buil * g pe it sh com ly with WRC .0 i](B) andde a minimum ❑ ,292 additional sq. ft. a IV• o issuance of a building permit, a BLA application is required to be approved by the city and l�� recorded at King County at the expense of the applicant. • The building permit must contain specifications for one pole -mounted Safe City security camera on Pacific Highway South and one pole -mounted Safe City camera on S. 352°d Street. Specifications shall be reviewed and approved by the Federal Way Police/IT Department staff prior to permit issuance. • amera specifications, locations and Safe City signage shall be installed an Approved Safe City c Planning Division inspections and issuing a certificate of operational to issuance prior to the occupancy. • The final landscape plan submitted with the building permit shall depict a Type 1 landscaping buffer and/or 100 percent site obscuring screen around any transformers or electrical boxes visible from Pacific Highway South or S. 352" d Street if depicted on the building plans. The building permit submittal shall contain final elevations (color and material palette} for the 8- foot serpentine masonry screen visible from Pacific Highway South and S. 352nd Street. • In the future, the traffic division reserves the right to restrict S. 352"d Street driveway access to one way based on queuing from the signal or collision patterns. • The building permit submittal shall depict a driveway area on the northwestern corner that is adequate for access by the Lakehaven Water and Sewer District to the pressure reducing value station. The building permit submittal shall depict how the solid waste storage area meets FWRC 19.125.150 (6)(d)(ii) requirements by providing 22 sq. ft. of additional solid waste storage. • The building permit submittal shall e sad d wastude a pelll prevention plan for storage area. The storage area pill prevement of ention plan uids generated on or discharged from Doc LD- 77095 17-102031-00-UP Mr. Bourne April 20, 2018 Page 3 of 4 must detail how all liquids either precipitated, sprayed, washed, spilled, leaked, dripped, or blown onto the storage area will be collected and managed in compliance with city surface water protection standards. The storage area spill prevention plan shall be provided for the city's surface water management program, to be kept on file in order to inform periodic site monitoring, per FWRC 19.125.150(6)(d). The western building facade (fronting Pacific Highway South) shall depict a second method of modulation/screening in the form of canopies to exceed 50 percent of the facade and a minimum projection of 6 feet. BUILDING PERMIT REQUIREMENTS This Process Ill land use decision does not constitute a building permit, or authorize clearing/grading activities. If you have any questions regarding the building permit submittal requirements, please contact the Perin it Center at 253 -83 5-2607, or ermitcenter .ci offederalwa .com. REQUEST FOR CHANGE OF VALUATION Per FWRC 19.65.100(4)(i), affected property owners may request a change in valuation for property tax Purposes, notwithstanding any program of revaluation. APPROVAL DURATION Per FWRC I9,15.100.2, unless modified or appealed, the Process III decision is valid for five years from the date of issuance of the decision. Time extensions to the decision may be requested prior to the lapse of approval following the provisions listed in FWRC 19.15.110. The improvements must be substantially completed within the five-year time period, or the land use decision becomes void. APPEALS Per FWRC 19.05.360, the effective date of issuance is three calendar days following the date of this letter, or April 23, 2018. Pursuant to FWRC 19.65.I20.1, this land use decision may be appealed by the applicant, any person who submitted written comments or information, or any Pei -soil who has specifically requested a copy of the decision. In compliance with FWRC 19.65.120.2, any appeal must be in the form of a letter delivered to the Community Development Department, with the established fee, and within 14 days after the effective date of issuance of this decision, or May 7, 2018. The appeal letter must contain a statement identifying the decision being appealed, along with a copy of the decision; a statement of the alleged errors in the director's decision, including identification of specific factual findings and conclusions of the director disputed by the person filing the appeal; and the appellant's name, address, telephone number and fax number, and any other information to facilitate communications with the appellant. The Federal Way Hearing Examiner will hear any appeals of the Process III decision. CLOSING This land use decision does not waive compliance with future City of Federal Way codes, policies, and standards relating to this development. If you have any questions regarding this decision, please contact Associate Planner Leila Willoughby - Oakes at 253-835-2644, or leila.willou hb -cakes ci. offederalwa .com. 17-10203 1 -00-UP Doc. 1.D. 77095 Mr. Boume April 20, 2018 Page 4 of 4 Sincerely, 9 X-17 I 0--� Brian Davis Community Development Director enc: Exhibit `A' Findings for Project Approval Approved Architectural Site Plan/Elevations by Stephen A. Bourne Architecture & Development, resubmitted February 23, 2018 Approved Preliminary Landscape PlantModitication Plan by Richard Ward Associates, resubmitted February 23, 2018 Federal Way Premier Storage Commercial Checklist Special Inspection Agreement FvmT c: Joseph Strobele, Crystal Peaks Storage Group, 15115 NE 67th Place, Redmond, WA 98052, emailed: )strobe! �r,��cp-invesitttenis.evm (w/ encls.) Jason Hubbell, Barghuasen Consulting Engineers, emailed: 'hubbellla�b it/h u encl.) (w/ pdf encl.) Rob Rucber, Norlan Corporation, emailed: Rob.norianre comcast.net { p Ann Dower, Senior Engineering Plans Reviewer Brian Asbury, Lakehaven Water & Sewer District (emailed) Erik Preston, Senior Traffic Engineer Chris Cahan, South King Fire & Rescue (emailed) Lindsey Sperry, Cruse Prevention Analyst (emailed) Commander Chris Norman, FWPD (emailed) Rob van Orsow, Solid Waste & Recycling (emailed) Doc. 1 D. 77095 17-102031-00-UP Leila Willoughby -Oakes From: Leila Willoughby -Oakes Sent: Monday, October 29, 2018 10:42 AM To: 'Stephen Bourne' Cc: Rob.norlanre@comcast.net; 'Joseph Strobele'; 'Jason Hubbell'; Ann Dower Subject: RE: FW Premiere Storage - Perimeter Screening of Site Good morning Stephen; Please speak directly Ann Dower in Development Services regarding this matter- Planning addresses the aesthetics but not grading nor King County Stormwater Manual requirements. I gather you are the end of your engineering permit and onto bonding. The engineering permit does not reflect this design or earthwork, nor did the SEPA checklist. If there are substantial changes to the cut and fill quantities will need a SEPA addendum; which has been done on several projects recently. The following codes address berms and in what instances they are required in order to screen parking areas- in your case you must fully screen recreational vehicles and boats many feet higher than the 3 ft. berms described below- which are meant for customer/more temporary parking versus storage. FWRC 19.125.070 states: (5) Parking areas/screening for rights -of -way. (a) Parking areas adjacent to public right-of-way shall incorporate berms at least three feet in height within perimeter landscape areas; or alternatively, add substantial shrub plantings to the required perimeter landscape type, and/or provide architectural features of appropriate height with trees, shrubs and groundcover, in a number sufficient to act as efficient substitute for the three-foot berm, to reduce the visual impact of parking areas and screen automobiles, and subject to approval by the director of community development. (b) Parking adjacent to residential zones shall reduce the visual impact of parking areas and buffer dwelling units from light, glare, and other environmental intrusions by providing Type I landscaping within required perimeter landscape areas. You will need to screen your non -conforming buildings as they are visible from the rights of way as well as the parking areas/storage areas pursuant to FWRC 19.125.165: (3) Specific use and development requirements. The city will administratively review and either approve or deny any application for outdoor use, activity, or storage based on the following standards: (a) All outdoor use, activity and storage areas must comply with required buffers for the primary use. (b) A minimum six -foot -high solid screening fence, wall, or other appropriate architectural screening, surrounded by five feet of Type I landscaping as defined by FWRC 19.125.050(1), or combination of architectural and landscape features, approved by the director of community development services is required around the outside edges of the area devoted to the outdoor use, activity or storage area, unless determined by the director that such screening is not necessary because the use or stored materials are not visually obtrusive. Proposed architectural and landscape screening methods shall be consistent with Chapter 19.115 FWRC, Community Design Guidelines, and Article I of this chapter (Landscaping). (c) Outdoor use, activity or storage areas located adjoining residential zones or permitted residential uses may not be located in the required yards adjoining the residential use or zone. (d) The height of uncontained items stored outdoors shall not exceed six feet above finished grade, unless the director approves a different height limitation after considering the zoning of the site and the surrounding properties and the extent to which the location or methods of screening the items minimizes visibility from adjacent streets and properties, and the items are not visually obtrusive and do not detract from the aesthetic quality of the overall development. (e) The outdoor use, activity or storage area may not inhibit safe vehicular and pedestrian movement to, from and on the subject property. With thanks, Leila ***Due to permit volumes, first review targets on a first come first served basis are 3-6 weeks from submission/ resubmission. *** I am on vacation Nov. 16-26. L. Willoughby -Oakes Associate Planner A Federal Way 33325 8th Avenue South Federal Way, WA 98003-6325 Phone:253/835-2644 Fax: 253/835-2609 www.cityoffederalway.com Planner on Duty 253-835-2655 or pltiginguirv@citvoffederalway.com Permit Center 253-835-2607 or permit.centerffi)citvoffederalway.com Applications http://www.citvoffederalway.com/node/1547 NOTICE: All emails, and attachments, sent to and from the City of Federal Way are public records and may be subject to disclosure pursuant to the Public Records Act (RCW 42.56) From: Stephen Bourne [mailto:stephen.bourne@comcast.net] Sent: Friday, October 26, 2018 1:48 PM To: Leila Willoughby -Oakes Cc: Rob.norlanre@comcast.net; 'Joseph Strobele' Subject: RE: FW Premiere Storage - Perimeter Screening of Site Hi Leila, Are there any sections of the FWRC that address using berms as a screening element? Thanks, S` P21fi�N A. BOURNS ARCHIIECURE & D[vEtorm[NI pDA) 310-7770 1 11012 Sond Point Wray NE. Sen"le_ From: Leila Willoughby -Oakes [ma iIto: Lei la.Willoughby-Oakes@cityoffederalway.com] Sent: Friday, October 26, 2018 10:53 AM To: 'Stephen Bourne' Cc: Rob.norlanre@comcast.net; 'Joseph Strobele' Subject: RE: FW Premiere Storage - Perimeter Screening of Site Yes, that is correct. With thanks, Leila Willoughby -Oakes Associate Planner Ext. 26441leila.willau y-nake5@citvoffederalway.com From: Stephen Bourne [mailto:stephen.bourne@comcast.net] Sent: Thursday, October 25, 2018 1:09 PM To: Leila Willoughby -Oakes Cc: Rob.norianre@comcast.net; 'Joseph Strobele' Subject: RE: FW Premiere Storage - Perimeter Screening of Site Leila, I was not necessarily proposing this change. The subject came up in a meeting and we did not have all the answers to clarify what is or is not allowed. Are you saying that these changes COULD be allowed but we would have to go through a review process to find out? STvijEN A. BOURNE a ARCNr1ECURE & DeYEEOPJArNI r206' 310-7770 1 11012 Sorld Point Way NE:.Seattle_ WA From: Leila Willoughby -Oakes [mailto:Leila.Willoughby-Oakes@cityoffederalway.com] Sent: Thursday, October 25, 2018 12:55 PM To: 'Stephen Bourne' Cc: Rob.norlanre@comcast.net; 'Joseph Strobele' Subject: RE: FW Premiere Storage - Perimeter Screening of Site Hi Stephen; You may submit a land use approval revision request with the changes clouded for staff review. I will review this when it is submitted for compliance with code. You would need to change the approved landscaping plan as well. If you can talk with Joe about adding a number of significant trees to the site- which above and beyond the code requirements but would screen the building better if you are not providing the full 8 ft. wall (boats Rvs can be greater than 8 feet and visible from the ROW) (no low branches considering our CPTED comments/landscape modification requested). Your request will go to the end of my line though- sorry! You will have to check in with Ann Dower in Development Services and Barghausen about impacts to the ongoing engineering permit approval process as well. This would change the cubic yards of the cut and fill- overall this change might actually slow down the project.... I will be out of the office at an offsite meeting the remainder of today. With thanks, Leila Leila Willoughby -Oakes Associate Planner E xt. 2644 1 l ei la. wi ltoug h by -hakes p ci tyoffedera lwa y. corn From: Stephen Bourne [mailto:stephen.bourne@comcast.net] Sent: Thursday, October 25, 2018 12:36 PM To: Leila Willoughby -Oakes Subject: FW Premiere Storage - Perimeter Screening of Site Hi Leila, We have some questions about the screening requirements for this project: 1. Currently we show a serpentine masonry wall 8' high; could we use opaque metal panel in approximately the same configuration? 2. Could an earth berm with landscaping be substituted for some screen walls? (A standard black fence would still be installed at the property line for security). Please let me know. Thanks. S`tufirN A. BouitNi w ARCHIIECURF & DevFLopmim [206j 370-7770 1 11012 Sand Palm Way N£. Senthe_ WA From: Leila Willoughby -Oakes [mailto:Leila.Willoughby-Oakes@cityoffederalway.com] Sent: Tuesday, October 23, 2018 12:10 PM To: 'Stephen Bourne' Cc: Rob.norianre@comcast.net; 'Joseph Strobele'; Ann Dower; Erik Preston; Chris Cahan; 'Brian Asbury' Subject: Call- FW Premier Storage Status Update Greetings Stephen; Thank you for your call. Please note the three Premier Storage building permits received on Monday, September 17, 2018 are still in process with all reviewers besides PW Development Services who has approved 18-104295-00-CO Oct 8th. This is why there is no update on e-permits. On account of our current permitting levels and staffing -I am presently working on August 30th- September 10th submittals/resubmittals. I expect fire, traffic and building are on similar timelines. 4 Bind regards, Leila ***Due to permit volumes, first review targets are 3-6 weeks from submission/ resubmission. *** L. Willoughby -Oakes Associate Planner Federal Way 33325 8th Avenue South Federal Way, WA 98003-6325 Phone:253/835-2644 Fax: 253/835-2609 www.cityoffederalway.com Planner on Duty 253-835-2655 or ptnpjnciuirvgc'itvoffederalway.com Permit Center 253-835-2607 or permit.centerocitvoffederalway.com Applications httf?://www.citycffederalway.com/node/l547 NOTICE: All emails, and attachments, sent to and from the City of Federal Way are public records and may be subject to disclosure pursuant to the Public Records Act (RCW 42.56) CITY OF L Federal Way Centered on Opportunity REVISED May 14, 2018 CITY HALL 33325 S Avenue South Federal Way, WA 98003-6325 (253) 835-7000 www.cityoffederalway.com Jim Ferrell, Mayor Stephen A. Bourne Emailed: steplieit.bourne{ucl Architecture and Development 11012 Sand Point Way NE Seattle, WA 98125 RE: File #17-102031-00-UP; PROCESS III PROJECT APPROVAL Federal Way Premier Storage, 35200 & 35204 Pacific Highway South, Federal Way, WA Dear Mr. Bourne: The Community Development Department has completed an administrative land use review of the Federal Way Premier Storage project located at 35200 Pacific Highway South on King County Parcel numbers 292104-9046, 292104-9048 and 292104-9053. You propose to construct two self -storage buildings with a gross floor area of approximately 80,000 square feet, 5.19 acres +/-. The proposal also includes covered and uncovered outdoor storage areas along the site perimeter for oversized vehicle storage screened with a decorative serpentine wall and landscaping. The Process 111 Master Land Use (MLU) application submitted May 9, 2017, with subsequent resubmittals on May 26, 2017, June 1, 2017, November 14, 2017, January 5, 2018, February 23, 2018 and April 4, 2018 (via email), is hereby approved with conditions based on the enclosed Findings for Project Approval, incorporated into this decision in full, and the following conclusions based on those facts: 1. The proposal is consistent with the comprehensive plan; 2. The proposal is consistent with all applicable provisions of Federal Way Revised Code (FWRC); 3. The proposal is consistent with the public health, safety, and welfare; 4. The streets and utilities in the area of the subject property are adequate to serve the anticipated demand from the proposal; 5. The proposed access to the subject property is at the optimal location and configuration; and 6. Traffic safety impacts for all modes of transportation, both on and off site, are adequately mitigated. 17-L02031-00-UP (Revised) Doe. I.D. 77723 Mr. S. t3oume May 14, 2018 Page 2 of 4 The remainder of this letter outlines the land use review process required for this development; summarizes the State Environmental Policy Act (SEPA) process; lists conditions of the land use decision; and provides other procedural information. This land use decision does not authorize initiation of construction activities. REVIEW PROCESS The site is within the Community Business (BC) zoning district. A self -storage facility is a permitted use in this zone subject to the provisions of FWRC 19.220.030, "Vehicle and equipment sales, service, repair and rental - Self-service storage facilities," The proposed use is not exempt from SEPA, and is subject to Use Process III, Project Approval. The Director of Community Development makes a written decision on the Process III application based on the criteria listed under FWRC 19.65.100. SEPA PROCESS Following review of the environmental checklist, the city determined the proposal would not have a probable significant adverse impact on the environment; an Environmental Imnnact Statement is not required. The City of Federal Way issued an Optional Determination of Nonsignificance (DNS) in conjunction with a Notice of Application on June 17, 2017. No comments were received by the City in response to the Optional DNS and Notice of Application. The City of Federal Way issued a Determination of Nonsignificance (DNS) on January 4, 2018, pursuant to Washington Administrative Code (WAC) 197-11-355. No appeals were received on the DNS and the SEPA determination was final on January 25, 2018. CONDITIONS OF APPROVAL The following conditions are reasonably necessary to eliminate or minimize any undesirable effects of granting application approval. ;ke final 1and9eap&f � ,i, .-- it1, the building p nnit shall eempl., M-4 FW v , 292 addiiienal sq. ft. of -Type W lands • Prior to issuance of a building permit, a BLA application is required to be approved by the city and recorded at King County at the expense of the applicant. • The building permit must contain specifications for one pole -mounted Safe City security camera on Pacific Highway South and one pole -mounted Safe City camera on S. 352id Street. Specifications shall be reviewed and approved by the Federal Way Police/IT Department staff prior to permit issuance. ■ Approved Safe City camera specifications, locations and Safe City signage shall be installed and operational to issuance prior to the Planning Division inspections and issuing a certificate of occupancy. • The final landscape plan submitted with the building permit shall depict a Type I landscaping buffer and/or 100 percent site obscuring screen around any transformers or electrical boxes visible from Pacific Highway South or S. 352nd Street if depicted on the building plans. ■ The building permit submittal shall contain final elevations (color and material palette) for the 8- foot serpentine masonry screen visible from Pacific Highway South and S. 352nd Street. • In the future, the traffic division reserves the right to restrict S. 352nd Street driveway access to one way based on queuing from the signal or collision patterns. • The building permit submittal shall depict a driveway area on the northwestern corner that is adequate for access by the Lakehaven Water and Sewer District to the pressure reducing value station. 17-10203 1 -00-UP (Revised) Doc. I.D. 77723 Mr. S. Boume May 14, 2018 Page 3 of 4 The building permit submittal shall depict how the solid waste storage area meets FWRC 19.125.150 (6)(d)(ii) requirements by providing 22 sq. ft. of additional solid waste storage. The building permit submittal shall include a spill prevention plan for management of liquids generated on or discharged from the solid waste storage area. The storage area spill prevention Flan must detail how all liquids either precipitated, sprayed, washed, spilled, leaked, dripped, or blown onto the storage area will be collected and managed in compliance with city surface water Protection standards. The storage area spill prevention plan shall be provided for the city's surface water management program, to be kept on file in order to inform periodic site monitoring, per FWRC 19.125.150(6)(d). The western building fagade (fronting Pacific Highway South) shall depict a second method of modulation/screening in the form of canopies to .exceed 50 percent of the facade and a minimum projection of feet. BUILDING PERMIT REQUIREMENTS This Process III land use decision does not constitute a building hermit, or atithori7z cleaning/grading activities. If you have any questions regarding the building permit submittal requirements, please contact the Permit Center at 253-835-2607, or permitcenler�r�r Bryn€ fedcralu�ay,ccrrn. REQUEST FOR CHANGE OF VALUATION Per FWRC 19.65.100(4)(i), affected property owners may request a change in valuation for property tax purposes, notwithstanding any program of revaluation. APPROVAL DURATION Per FWRC 19-15.100.2, unless modified or appealed, the Process III decision is valid for live years from the date of issuance of the decision, Time extensions to the decision may be requested prior to the lapse of approval following the provisions listed in FWRC 19-15.110. The improvements must be substantially completed within the five-year time period, or the land use decision becomes void. APPEALS Per FWRC 19.05.360, the effective date of issuance is three calendar days following the date of this letter, or April 23, 2019. Pursuant to FWRC 19.65.120.1, this land use decision may be appealed by the applicant, any person who submitted written comments or information, or any person who has specifically requested a copy of the decision. In compliance with FWRC 19.65.120.2, any appeal must be in the form of a letter delivered to the Community Development Department, with the established fee, and within 14 days after the effective date of issuance of this decision, or May 7, 2018. The appeal letter must contain a statement identifying the decision being appealed, along with a copy of the decision; a statement of the alleged errors in the director's decision, including identification of specific factual findings and conclusions of the director disputed by the person filing the appeal; and the appellant's name, address, telephone number and fax number, and any other information to facilitate communications with the appellant. The Federal Way Hearing Examiner will hear any appeals of the Process III decision. 17-102031-00-UP (Revised) Doc. I.D. 77723 Mr. S. BOLme May 14, 2018 Page 4 of 4 CLOSING This land use decision does not waive compliance with future City of Federalpolicies, and Way codes, standards relating to this development. If you have any questions regarding this decision, please contact Associate Planner Leila Willoughby - Oakes at 253-835-2644, or Lei la.willou bb -oakes r9vc..ttYaffederalwa .corn. Sincerely, Brian Davis Community Development Director enc: Exhibit `A' Findings for Project Approval Approved Architectural Site Plan/Elevations by Stephen A. Bourne Architecture & Development, resubmitted February 23, 2018 Approved Preliminary Lan dseapePlan/Modification Plan by Richard Ward Associates, resubmitted February 23, 2018 Federal Way Premier Storage Commercial Checklist Special Inspection Agreement Form c: Joseph Strobele, Crystal Peaks Storage, 15115 NE 67th Pl., Redmond, WA 98052, emailed: jslrc�hs.urm (w/ encls.) Jason Hubbell, Barghuasen Consulting Engine@rs, emailed: '1luhls::11lrr�hur haunt .crnu (wl pdf encl.) Rob Rueber, Norlan Corporation, emailed: Rob. iiorlanmf@cant 01EI.00 (wl pdf encl.) Assn Dower, Senior Engineering Plans Reviewer Brian Asbury, Lakebaven Water & Sewer District (emailed) Erik Preston, Senior Traffic Engineer Chris Cahan, South King Fire & Rescue (enlailed] Lindsey Sperry, Crime Prevention Analyst (emailed) Commander Chris Norman, FWPD (@mailed) Rob van Orsow, Solid Waste &. Recycling (emailed) Doc. I.D. 77723 17-102031-00-UP (Revised) 4k CITY OF Federal Way Exhibit A Findings for Project Approval Federal Way Revised Code (FWRC) Chapter 19.65, "Process III Project Approval" Federal Way Premier Self -Storage Project, File #17-102031-00-UP The Director of Community Development hereby makes the following findings pursuant to content requirements of the Process III written decision as set forth in Federal Way Revised Code (FWRC) 19.65.100(4). These findings are based on review of existing city documents and items submitted by the applicant and received May 9, 2017, and additional information submitted on June 1, 2017, November 14, 2017, December 28, 2017, January 5, 2018, February 23, 2018 and April 4, 2018. 1_ Proposal —The applicant (Crystal Peaks Storage Group LLC) proposes to construct an 80,000 square - foot self -storage facility, composed of a one-story and a two-story building, 111 outdoor boat and recreational vehicle (RV) storage spaces, seven visitor/employee parking stalls, and associated site work on 5.19 acres. 2. Site Description — The proposal is located at 32500 Pacific Highway South on King County tax parcel nos. 292104-9046, -9048, and -9053. The site is an L-shaped corner lot with frontage on S. 352' d Street and Pacific Highway South. The majority of the site is vacant with tree stands scattered throughout the property. The southern property line abuts a regional stormwater facility and the facility's service road. A portion of the site was used as the Pacific Highway Phase V Capital Project construction lay -down yard. At the time of this application the following uses and zoning districts are adjacent to the subject property: North — S. 352nd Street (Public Right -of -Way) South — S. 356`h Street Regional Stormwater Facility (Commercial Enterprise) East — Donald B. Murphy Contractors, Inc. (Commercial Enterprise) West — Pacific Highway South (Public Right -of -Way) 3. Zoning and Comprehensive Plan Designation — Zoning for the subject property is Commercial Enterprise (CE). A self -storage facility is a permitted use in the CE zoning district pursuant to FWRC 19.240.050, "Vehicle and equipment sales, service, repair and rental - Self-service storage facilities." The Federal Way Comprehensive Plan (FWCP) designation for the subject property is Commercial Enterprise. 4. Site Plan Review Process —The project requires review under Process III, Project Approval. The Director of Community Development makes a written decision on the application based on the criteria listed under FWRC 19.65.100. The Community Development Director may apply conditions Revised Findings for Project Approval Page 1 Federal Way Premier Self -Storage File #17-10203 1 -00-UP/Doc ID. 77722 or restrictions determined reasonably necessary to eliminate or minimize any undesirable effect of granting the application under FWRC 19.165.100(3), State Environmental Policy Act (SEPA) — Following review of the environmental checklist, the city determined the proposal would not have a probable signifcant_adverse impact_ on the enrrixoti>nent; an Environmental Impact Statement is not required. The City of Federal Way issued an Optional Determination of Nonsignificance (DNS) in conjunction with a Notice of Application on June 2, 2017. No comments were received by the City in response to the Optional DNS and Notice of Application. The City of Federal Way issued a Determination of Nonsignificance (DNS) on January 4, 2018, pursuant to Washington Administrative Code (WAC) 197-11-355. No appeals were received on the DNS and the SEPA determination was final on January 25, 2018. Public Notice —Pursuant to Process III regulations, a combined Optional Determination of Significance and Notice of Land Use Application (NOA) was published in the Federal Way Mirror, p17Stcd vrl ui% Siiuji Ct prvp%li'y, gild diSpi ay Cd vil the dCslbllaled Clly 11Vt1Ce beardS vil June 2, 2017. Notices were also mailed to property owners within 300 feet of the subject property. No written comments were received on the application for the comment period ending June 17, 2017. Pursuant to 'JlUT) AJ1 r_1 regulations, a Not" of DC LCrllllllaMoll Vl 1V V11s1gn111Ca11C\, kDll.7 j was published nn the 1 Gdel aC Way Mirror. No written comments were received on the DNS. 7. Site Plan Review Process — The project requires review under Process III, Project Approval. The Director of Community Development makes a written decision on the application based on the criteria listed under FWRC 19.65.100. 8. Boundary Line Adjustment (BLA) — The subject property consists of three tax lots. The self -storage buildings are proposed over property lines. The applicant must combine the parcels in order to construct the new structures. The applicant submitted a BLA application (city file no. 17-103219-00- SU) on July 5, 2017; a project revision remains outstanding. As a condition of this decision, the BLA must receive preliminary approval and the applicant shall record the BLA before building permit issuance. 9. Bulk & Dimensional Requirements —Per FWRC 19.240.050, a self -storage facility in the CE zoning district requires the following minimum building setbacks: 20 feet in the front; 15 feet or, sides and the rear where residential zones do not adjoin the subject property (the site abuts other CE zoned parcels). No maximum lot coverage applies. FWRC 19.240.050 permits building height maximum of 40 feet above average building elevation (AABE) for self -storage facilities in the CE zone, with the opportunity to increase the height to 55 feet at the discretion of the Community Development Director. Both Buildings A and B do not exceed the maximum permitted height. The highest structure proposed is 22.5 feet AABE. The proposal complies with the building setback and height standards of FWRC 19.240.050 per site and architectural plans resubmitted on February 23, 2018. 10. Parking Requirements — Per FWRC 19.240.050, required parking is one parking space per 300 square feet of the office gross floor area. The office area is 878 square feet (878/300= 2.9 spaces), for a total of 3 required parking spaces. The site plan depicts seven parking spaces, exceeding FWRC 19.240.050 requirements and 111 covered and uncovered outdoor storage spaces. Revised Findings for Project Approval Page 2 Federal Way Premier Self -Storage File #17-102031-00-UP/Doc ID. 77722 11. Landscaping — FWRC 19.125.060(9) requires a five-foot perimeter buffer CE zone along property lines of nonindustrial uses. FWRC 19.125.050(3) states Type III landscaping is composed of: A mixture ofevergreen and deciduous trees interspersed with large shrubs and groundcover. Tree, shrub, and groundcover spacing shall be appropriate for the species type, and the intent of this section.' The north and west property lines abut a right-of-way and require landscaping to reduce the visual impacts of the outdoor storage, storage buildings and a CMU masonry screen proposed on both property lines. FWRC 19.125.040(5) requires Type III landscaping screening be placed outside of sight -obscuring fences abutting rights -of -way and/or easements unless determined by the director of community development that such arrangement would be detrimental. Proposed Landscaping The preliminary landscape plan details that the landscape buffer will exceed the 5 ft. width requirement for landscaping, and plant modified Type III landscaping along all property lines — lower profile drought resistant and native shrubs versus large shrubbery and trees without dense low foliage. FWRC 19.125.050(3) `General Landscape Requirements', "requiring that Type III landscaping be placed outside of sight -obscuring fences abutting rights -of -way and/or easements unless determined by the director of community development that such arrangement would be detrimental." The applicant proposes to place evergreen and deciduous trees outside of the required buffer per the modification approval below. Both landscape buffers along interior minimum lot lines exceed the buffer requirements. Buffers will range from 7 to 15 feet and contain landscaping throughout. Perimeter Landscape/General Landscape Requirement Modification Approval North and West Property Line — FWRC 19.125.100(2) provides staff authority to modify the perimeter landscaping requirements. The applicant proposes to modify Type III landscaping requirements for the purposes of establishing a lower plant profile in order to keep site -lines clear. The proposal also keeps areas more visible to discourage unauthorized access and trespassers. The applicant provides a decorative wall to screen loading areas and parking stalls. The modified landscape design reflects a concerted effort to implement FWRC 19.115.010(2) principles of Crime Prevention through Environmental Design (CPTED) and also apply the Federal Way Police Department's `Hostile Vegetation' plant list. Evergreen and deciduous trees have been situated far enough away from the CMU walls to prevent climbing and any subsequent unauthorized access (i.e., access control) to the facility over fencing and the 8 ft. CMU walls. Staff finds the modification proposal meets threshold criteria as it represents a unique landscape design that includes substantial plantings and planting exceeding the minimum tree unit requirements throughout the project per the written request prepared by Richard Ward Associates, received January 5, 2018. Revised Findings for Project Approval Page 3 Federal Way Premier Self -Storage File #17-102031-00-UP/Doc ID. 77722 • Modified Iandscape plans offer a superior result enhancing the boulevard design approach installed along S. 352❑d Street. • The landscaping will still articulate the serpentine CMU walls screening outdoor storage areas and soften these areas by providing partial --visual separation of uses from streets, although required large shrubs are removed. ■ The applicant proposes to meet or exceed the deciduous and evergreen tree requirements by more than 200 tree units (104 required; 308 tree units provided). • The proposal will include a plant palette of varied colors, texture and diversity. As proposed, the landscaping represents a superior result than that which could be achieved by strictly following the requirements of the landscaping code; it complies with the stated purpose of the title and any applicable subsections of this title; and the proposed modification will not violate any Federal Way Revised Codes or ordinances. In particular, the modification will not be a substitute for any zoning variances. The landscape modification request is hereby approved. Interior Parking Lot Landscaping Interior parking lot landscaping in the amount of 22 square feet per parking stall is required for the 118 leasing office parking and RV/Boat outdoor storage spaces. For the 118 parking stalls provided, 5,900 square feet of landscaping is required. The applicant proposes 3,608 square feet of interior parking lot landscaping; therefore, the preliminary landscape plan resubmitted on February 23, 2018, is deficient by 2,292 square feet of Type IV landscaping. As a condition of this decision the final landscape plan submitted with the building permit shall comply with FWRC 19.125.070(a)(i)(B) and depict an additional 2,292 square feet of Type IV- Open Area Landscaping. 12. Clearing & Grading — An engineering permit (EN) will be required prior to any site clearing and grading. Clearing and grading activities wiiN be re'vieJ✓ed ivr CviiSiSteiaC'y';vJith appiiCabie Standards Set forth in FWRC Chapter 19.120. The preliminary cut/fill analysis is approximately 12,000 cubic yards of cut and fill grading on site, with approximately 1,000 cubic yards of exported fill per the revised Environmental Checklist received on December 28, 2018. The final clearing and grading plans pursuant to FWRC 19.120.090(2) must also minimize any impacts to adjacent properties and include protection measures for existing vegetation and trees on the adjacent private and public (regional stormwater facility) properties. 13. Tree Retention/Replacement — Pursuant to FWRC 19.120.130, compliance with the city's tree density requirements in the CE zone (20 tree units per acre) requires a minimum of 104 tree units on the subject property's 5.19 acres. The applicant submitted the required tree retention/replacement plan and proposes to remove all the trees on the site and fulfill the tree density requirements with replacement trees. The tree retention/replacement plan has been reviewed for purposes of the Process III review and the preliminary tree removal and replacement plan will exceed the minimum requirement by providing 300 trees units (57 tree units per acre). A final detailed review of the plan will occur in conjunction with review of the landscape plan submitted with a building permit. 14. Critical Areas — In May 2017, the city received a critical area memorandum prepared by Talasaea Consultants Inc. (dated February 13, 2017). During the review, city staff consulted the Department of Fish and Wildlife, Salmon Scape mapping, National Wetlands Inventory and the King County Parcel Revised Findings for Project Approval - Page 4 Federal Way Premier Self -Storage File #17-10203 1 -00-UP/Doc ID. 77722 Viewer 2.0. All three mapping resources show a linear water -feature on the subject property not depicted on the city's critical area inventory. Pursuant to FWRC 19.145.080(3), the city forwarded the critical area report to our consultant, Otak, for their review. The city also provided a project site plan prepared by Barghausen Consulting Engineers and a Tree Survey prepared by ESM (dated April 2017). Initially, planning also noted the Talasaea critical area memo/report did not include documentation of fieldwork, including field data sheets, rating systems forms, and baseline hydrologic data as required by FWRC 19.145.080 and FWRC 19.145.410(2)(c). Otak conducted a site visit on September 8, 2017, and concluded that the applicant must revise the critical evaluation, and further evaluate a linear depression on the southernmost portion of tax parcel 292104 not identified in the February 2017 applicant memo. This depression displayed evidence of seasonal ponding, and was dominated by green ash, Scouler's willow, black cottonwood, willow -herb and sedge species. Otak reviewed Talasea's resubmitted critical area report including the new data plots (dated November 7, 2017) and concurred that no critical areas were found on tax parcels 2921049-0046 and -9053. Otak does note, they do not concur with Talasea's findings that the depression on tax parcel 92104-9048 does not demonstrate criteria to display wetland characteristics, but are present (hydrophytic vegetation, uncertainty if the soils are hydric or not per data collected and there was seasonal ponding present). However, such characteristics would likely be a result of stormwater storage and conveyance is likely a constructed swale and should not be regulated as a critical area per critical area exemption FWRC 19.145.110 (3). This regulation exempts features that are artificially created from non -wetland sites. 15. Wellhead Capture Zone — The subject property is located in the 6-month, 1-year and 5-year wellhead capture zone. Given that the proposed use of self -storage will not include uses prohibited in the six- month and one-year capture zones listed in FWRC 19.145.480 (i.e., sewage disposal systems, solid waste landfills, pipelines, mobile fueling operations, etc.), the proposal complies with minimum requirements. Planning staff will review a final Hazardous Material Inventory Statement submitted with the construction permit review. 16. Community Design Guidelines — The proposed storage building complies with the provisions of FWRC Chapter 19.115, "Community Design Guidelines," as detailed below: a. Crime Prevention through Environmental Design (CPTED) Guidelines — The applicant submitted a CPTED checklist, which was reviewed by city staff. The new facility will be staffed by two employees and the use and design contains very few informal opportunities for on -site natural surveillance through human activity and windows. The total outdoor storage areas will contain 111 parking/storage spaces of various sizes for boats and recreational vehicles. During the project review, the Federal Way Police Department met with Crystal Peaks Storage LLC and requested that they coordinate with adjacent property owners, to tie new fencing directly to the existing perimeter fencing on their properties to form a continuous secure site perimeter. Efforts to reduce hiding areas support the CPTED principle of access control per FWRC 19.115.010(2)(b); focusing on design techniques that prevent and/or deter unauthorized and/or inappropriate access. Revised Findings for Project Approval Page 5 Federal Way Premier Self -Storage File #17-102031-00-UP/Doc ID. 77722 Pursuant to FWRC 19.115.010(2)(a) and FWRC 19.115.010(b) CPTED design principles of natural surveillance, access control and ownership, the Federal Way Police Department requests that the applicant participate in the Safe City Federal Way Community Policing program. The Safe City -program is an initiative that unites businesses, city officials, and law enforcement through a project intended to maximize safety and minimize theft and other crimes in the business community. As a condition of this Process III decision the applicant shall submit: ■ Specifications for one pole -mounted Safe City security camera along Pacific Highway South and one pole -mounted Safe City camera on S. 352nd Street that shall be reviewed and approved by the Federal Way Police and IT Departments prior to building permit issuance. Both Safe City cameras shall be installed prior to the Planning Division inspection and prior to issuance of a certificate of occupancy. b. Site Design — The building is a high quality appearing design emphasizing rather than obscuring the topography. The building design includes a variety of colors, materials, and textures (burgundy, charcoal and natural CMU block walls, colonial red metal roofing, gray siding and vertical ribbed siding), which are aesthetically cohesive. Transparent glass is incorporated into the entrance facade of the leasing office. Access controls will be implemented. The parking lot is designed consistent with circulation and directional signage requirements. A serpentine screen wall will screen the majority of the building facades and as a condition of this decision the applicant shall submit color elevations of the design and profile. c. Building Design 7 The building facades meet the modulation, screening and articulation guidelines of FWRC 19.115.060 conditioned as follows, for those areas visible from a right-of- way: West facade (front): The building entrance is oriented toward the public street. The west facade includes a variety of building materials, glass articulation, and colors. However, as the facade exceeds 60 feet (6 / feed flee applicant mttc4 also add Cannntpg tar�th;n a mmlm»m r()jertipn of 6 i „pr . ...� ... ,. r^ p feet exceeding 50 percent of the facade as a second method of modulation or screening. This facade is visible from Pacific Highway South. d. Pedestrian Circulation and Public Spaces — The primary entrance to the building will be visible from Pacific Highway South. One pedestrian pathway is incorporated into the site design, connecting the leasing office building to the street. The perimeter of the site is secured for authorized access only with wrought iron black fencing, locked gates at access points and a masonry serpentine screen wall, which extends all the way around the corner and south to the north side of the Lakehaven Utility easement. No additional pedestrian connections are necessary to S. 352°d Street from the storage facility. e. Commercial Service and Institutional Facilities —Service yard walls, enclosures, and similar accessory site elements shall be consistent with the primary building(s) relative to architecture, materials, and colors. All existing chain -link fencing on the perimeter of the property will be removed and replaced with wrought iron aluminum black fencing. Per FWRC 19.115.090(2)(f) and FWRC 19.115.050(6) chain -link fencing is not permitted in the CE zoning district unless screened by Type I landscaping and/or vinyl -coated in a dark color with pole caps. Revised Findings for Project Approval Page 6 Federal Way Premier Self -Storage File #17-102031-00-UP/Doc ID. 77722 The open RV and boat storage spaces will be screened with an 8-foot serpentine masonry wall bordered with a variety of low lying shrubs and ground cover. An 8-foot black wrought iron fence will secure the site perimeter without masonry walls. As a condition of this decision, final landscaping plans shall depict a Type I landscaping buffer and/or 100 percent site obscuring screen around any site utilities (electrical/mechanical boxes) if depicted on the construction plans per FWRC 19.115.050(6)(b). As a condition of this decision the applicant shall also submit final elevations and a materials palette for the 8-foot serpentine masonry screen wall proposed along Pacific Highway South and S. 352" d Street. f. CE District Guidelines — The leasing office is located adjacent to Pacific Highway South and maximizes pedestrian access and circulation via a 5-foot pedestrian pathway. The entrance fagade faces and is clearly recognizable from the right-of-way and incorporates transparent glass. Awnings have been incorporated to provide weather protection. Transparent glass is incorporated into the entrance fagade of the convenience store. Ground level mirrored, reflective glass, and chain link fencing are not proposed. A black wrought iron metal fence will be installed along the site perimeter to secure the storage facility from trespassers. 17. Rooftop Mechanical Equipment — Per FWRC 19.110.070, vents and similar appurtenances that extend above the roofline must be surrounded by a solid sight -obscuring screen that is integrated into the architecture of the building and obscures the view of the appurtenances from adjacent streets and properties. Per the March architectural elevations resubmitted on February 23, 2018, it appears no equipment will extend above the roofline. All final construction plans shall comply with the above provision. 18. Solid Waste & Recycling — The submitted trash enclosure design and on -site access are satisfactory (Sheets L1.0, A-1 and A-3); however, enclosure storage space requirements are 225 square feet for non-residential developments between 50,001 and 100,000 square feet. The applicant depicts 203 square feet and therefore the construction plans must depict an additional 22 square feet. The garbage enclosure is screened with Type III landscaping and adjoins a building fagade. Pursuant to FWRC 19.125.150.6.d, the applicant shall also provide a spill prevention plan for the city's surface water management program, to be kept on file in order to inform periodic site monitoring. As conditions of this decision, the applicant shall depict an additional 22 square feet of solid waste and recycling storage area and submit a spill prevention plan with their building permit application. 19. Access — There are three secured access points, mid -block on S. 352"d Street South and two driveways on Pacific Highway South, one of which is a restricted right -in right -out. The Traffic Division notes, the S. 352"d Street driveway location, access configuration, gate location and width as shown can be accessed and full access can be allowed under existing conditions. However, as a condition of this decision, the City reserves the right to restrict access in the future based on queuing from the signal or collision patterns. 20. Transportation — As a component of the Use Process III application, projects undergo traffic concurrency analysis pursuant to the state Growth Management Act (GMA); goals and policies of the Revised Findings for Project Approval Page 7 Federal Way Premier Self -Storage File #17-10203 1 -00-UP/Doc ID. 77722 FWCP; and FWRC Chapter 19.90, "Transportation Concurrency Management." A Capacity Reserve Certificate was issued in June 1, 2017 for the 87,113 square -foot self -storage project. The number of new PM peak hour vehicle trips generated by the project is 11. A transportation impact fee is required and will be calculated based on the FWRC requirements and per the fee schedule in effect at the time of a complete -building -application. 21. Street Frontage Improvements — The applicant/owner will not be expected to construct street improvements as part of this project. Pacific Highway South is undergoing a road -widening under the City of Federal Way Pacific Highway Phase IV capital project. Recent frontage improvements on South 352°d Street were also constructed in 2017. These right-of-way improvements were installed according to the design standards in place at that time, which is the current street standard. 22. Stormwater — The project will be required to meet the requirements of the 2016 King County Surface Water Design Manual (KCSWDM) and the City of Federal Way Addendum to that manual. Stormwater improvements are required for Conservation Flow Control and Enhanced Basic Water Quality standards outlined in the KCSWDM. Best Management Practices (BMP's) must also be implemented to augment flow control. 23. Water/Sewer — Lakehaven Water and Sewer District is the water and sewer service purveyor. Lakehaven issued certificates of water and sewer availability on November 22, 2016. The applicant will need to submit applications to Lakehaven for any necessary water and/or sewer service connections. The applicant shall take care during construction to avoid encroachment upon any existing or proposed water and sewer system facilities and associated easements. The proposal's western portion will contain a 15-foot utility easement. Resubmitted plans do not depict a drive surface west enough to the pressure reducing valve station in the northwest corner of the subiect property. As a condition of this approval Lakehaver, shall have sufficient access to the new water system and the pressure reducing value station; any on -site buildings and driveway areas must not block utility district access. 24. South King Fire & Rescue — This project will require four fire hydrants and fire apparatus access roads, serviceable prior and during the time of construction. A fire sprinkler system and a fire alarm system will be required for buildings not protected by a fire sprinkler system as the total floor area exceeds 5,000 square feet. Separate fire permits will apply at the time of construction permits. 25. Additional Permitting — Additional permitting is required for subsequent site development; an Engineering Permit (city file no. 18-101331-00-EN) has been applied for at this time. 26. Conditions of Approval —The following conditions of approval are attached to the Process III decision: + Priori tof si uance of a building permit, a BLA application is requirUdbe approved by the city and recorded at King County at the expense of the applicant. 6 WV -), Revised Findings for Project Approval Page 8 Federal Way Premier Self -Storage File #17-102031-00-UP/Doc ID. 77722 • The building permit submittal shall contain specifications for one pole -mounted Safe City security camera on Pacific Highway South and one pole -mounted Safe City camera on S. Street. Specifications shall be reviewed and approved by the Federal Way Police and IT Department staff prior to building permit issuance. ■ Approved Safe City camera specifications, locations and Safe City signage shall be installed and operational to issuance prior to the Planning Division inspections and issuance of a final certificate of occupancy. ■ The final landscape plan submitted with the building permit shall depict a Type I landscapi g buffer and/or 100 percent site obscuring screen around any transformers or electrical oxes visible from Pacific Highway South or S. 352nd Street if depicted on the building plan • The building permit submittal shall contain final elevations (color and material palette) foot serpentine masonry screen visible from Pacific Highway Sout nd S. V2 d 5 ee . • In the future, the traffic division reserves the right to restrict S. 3 2°a St, a nv way ac ess t one way based on queuing from the signal or collision patterns. • The building permit submittal shall depict a driveway area on th estern orn at t is adequate for access by the Lakehaven Water and Sewer District to the pressure re n v e station. u-'&ka"A' ■ The building permit submittal shall depict how the solid waste storage area meets 19.125.150 (6)(d)(ii) requirements by providing 22 sq. ft. of additional solid waste storage. • The building permit submittal shall include a spill prevention plan for management of liqui s generated on or discharged from the solid waste storage area. The storage area spill prevention plan must detail how all liquids either precipitated, sprayed, washed, spilled, leaked, dripped, or blown onto the storage area will be collected and managed in compliance with city surface water protection standards. The storage area spill prevention plan shall be provided for the city's surface water management program, to be kept on file in order to inform periodic site monitoring per FWRC 19.125.150(6)(d). • The western building fagade (fronting Pacific Highway South) shall depict a second method of modulation/screening in the form of canopies to exceed 50 percent of the fagade and a minimul projection of 6 feet. 27. Conclusion — As conditioned, the proposed site plan application has been determined to be consists with the FWCP; with all applicable provisions of the FWRC; and with the public health, safety, an, 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. Traffic safety impacts are adequately mitigated. The proposed development is consistent with Process III, Project Approval, decisional criteria required under FWRC Chapter 19.65. �i: The proposed site plan and application attachments have been reviewed for compliance with the FWCP, pertinent zoning regulations, and all other applicable city regulations. Final construction drawings will be/c4ol reviewed for compliance with specific regulations, conditions of approval, and other applicable city [; requirements. This decision shall not waive compliance with future City of Federal Way codes, policies, 1i and standards relating to this development. Prepared by: Leila Willoughby -Oakes, Associate Planner Date: April 20, 2018 � h' Revised May 14, 2018 Revised Findings for Project Approval Page 9 Federal Way Premier Self -Storage File #17-102031-00-UP/Doc ID. 77722 CITY OF L Federal Way September 28, 2017 Joseph Strobele Crystal Peaks Storage Group 15115 NE 67th Place Redmond, WA 98052 FILE 33325 8th Avenue South Federal Way, WA 98003-6325 (253) 835-7000 www. cityoffederalway. com Jim Ferrell, Mayor Emailed: istrobelenc investments.com RE: File#17-102031-00-UP/17-102032-00-SE; TECHNICAL REVIEW COMMENTS Federal Way Premier Storage, 352'd St. & Pacific Hwy. S. (292104-9048, -9046 & -9053) Dear Mr. Strobele: City and external agency staff have completed their review of your Process III 'Project Approval' Master Land Use (MLU) application and SEPA checklist. You propose to construct two self -storage buildings composed of 86,244 sq ft and one enclosed RV/boat storage structure on three existing parcels (-5.19 acres). The proposal also includes several areas along the site perimeter for covered boat and recreational vehicle spaces. The application was deemed complete on June 1, 2017, and publicly noticed on June 2, 2017. A third party review by Otak, and city concurrence of the '352nc1 Street Self -Storage Critical Area Memo' prepared by Talasaea Consultants on February 13, 2017, remains outstanding. Otak's project biologists completed their site visit on September 8, 2017. Technical Comments The following development review comments must be addressed prior to a land use approval and a SEPA Official determination. Please direct questions regarding any of the technical comments to the staff member listed below. Leila W-Oakes, CD Planning Division, 253-835-2644, lei] a.wiIloughbv-oakesr?cityoffederalway.cprn SEPA/Use Process III 1. As a condition of the SEPA threshold determination by the city's SEPA Official Department lW requires the land use proponent submit a crime prevention and site security plan for the storage facility to the satisfaction of the Director. In this plan please describe the applicant's efforts to address Crime Prevention through Environmental Design principles (FWRC 19.1 15.010). Y r r FWRC 19.65.100.3 permits the Community Development Director to apply conditions and/or I restriction reasonably necessary to eliminate or minimize any undesirable effects of granting a Process iII application. Said conditions/restrictions will become a part of the land use decision. Please contact the Project Planner if you wish to schedule a meeting to discuss conditions throughout the letter. 2. As a condition of the SEPA threshold determination and Use Process III 'Project Approval' the Department shall require secure perimeter fencing around the project area in order to define site Mr. J. Slrohele Seplembcr 28, 2017 11agc 2 of ownership per FWRC 19.115.010. Penetrable fencing, such as chain -link that is easily compromised shall not be used in areas that are not visible from the right-of-way (352"d St. and Pacific Hwy. S.). Off -Street Parking Label all stall and aisle dimensions for both required parking and parking areas used as self -storage. Please see the enclosed Parking Lot Design Criteria. Community Design Guidelines Provide directional signage and/or pavement markings for adequate vehicle circulation. All off-street parking areas shall have loop access. Provide a color and materials palate for all of the proposed buildings and screening methods visible from the right-of-way and/or abutting properties (1 1 x 17 color elevation renderings or swatches are sufficient). 6. An 8 ft. decorative serpentine masonry screening wall is proposed. Provide a cross section sample for review (Bulletin #001, Process III Submittal Requirements). The masonry wall shall achieve the intent and purpose of the minimum fagade modulation and screening requirements in the `Building design '. 7. Retaining walls: a. On the Clearing and Grading Plans (Sheet 2 of 5) you propose six- and four -foot retaining walls. Per FWRC 19.120120, retaining walls and rockeries must have: i. A minimum three-foot landscaped setback at the base. ii. Type III landscaping between terraced walls. iii. Rockeries/retaining walls that reflect primary building design and materials (i.e. ecology block or CMU block walls will not be accepted). 8. Misc. Site Elements: Provide additional information on proposed lighting for load• g. storage and circulation areas. All on -site lighting shall incorporate cut-off shields to prevent site glare. Please also reference Bulletin #022's minimum lighting requirements. Please select a lighting approach that is consistent with the local condition. 4� Do not light areas that are not intended for night-time use to avoid giving a false impression of use or safety. Please light all areas with fagade modulations or wall sconces to avoid giving a false impression for use or safety. Building- Please provide additional fagade modulations (a minimum of 6 ft. width and 2 ft. depth) and articulation on the building facades exceeding 60 ft. The proposed buildings are taller than the proposed masonry walls. 10. Fencing: If utilized, chain link fences shall be permitted only along a right-of-way as a condition of this land use application. If not screened by Type I landscaping, the chain link shall be vinyl coated mesh, powder coated poles, dark colors and architectural elements such as pole caps. Plastic slats creating opaque fences are not encouraged. Please note barbed wire or electrified fencing is not permitted per FWRC 19.125 Article 11 `Fencing and Screening'. 17-10'0,I Doc ID 761-04 Mr..1. Strobele September 28. 2017 Pane 3 of 8 Perimeter and Parking Lot Landscaping/Tree Retention 11. The project site requires a minimum of 104 tree units; please see the minimum tree planting requirements and note these in the construction drawings. All tree protection fencing shall be installed prior to construction and site work around all retained trees. Please note clearing and grading actions shall not affect offsite stands of trees and vegetation retention. 12. The lawn areas shall not constitute more than 75 percent of the total landscaped area. It appears you may exceed 75% as a majority of the perimeter landscape is lawn. As such, the Planning Division proposes the applicant replace all lawn areas with native drought tolerant (25% species mix required) groundcover species (see the enclosed Hostile Vegetation list). a. All lawn areas in the Type III landscaping shall have working permanent irrigation systems (FWRC 19.125.21). b. As a condition of this land use decision, submit an irrigation plan with your building permit per FWRC 19.125.035. 13. Landscape modificationl: In writing, please submit a landscape modification request complying with FWRC19.125 minimum submittal decisional requirements. 14. As a condition of the Process III decision add the following notes on the final landscape plans: "Plant maintenance: Maintenance ofplanted areas shall include continuous operations of removal of weeds before flowering; mowing; trimming; edging; cultivation; reseeding; plant replacement; appropriate fertilization; spraying; control of pests, insects, and rodents by nontoxic methods whenever possible; watering; or other operations necessary to assure normal pla►►t growth. In particular, maintenance shall promote landscape performance criteria of this title. Plant materials that have (lied shall be replaced at the beginning of the next appropriate planting season and planting areas shall be kept reasonably free of noxious weeds and trash. Irrigation maintenance. All portions of any irrigation system shall be continuously maintainer) in a condition such that the intent of an irrigation design is fu filled Uncontrolled emission of water from any pipe, valve, head, emitter, or other irrigation device shall be considered evidence of non -►maintenance. Other maintenance: Maintenance of all landscaped areas shall also include operations as needed of painting, repairing, reconstruction, and rehabilitation of landscape structures such as walls, fences, overheads, trellises, and the removal of trash. ' A request for modification shall: (a) Be submNled 1n the same form and according to the same terms as the required landscape documents of this section and subject to the same enforcement requirements; and (b)Be clearly labeled "Landscape r14odyleation Plan. " and (e) Clearly delineatefidentifv the deviations requested fi•on: the provisions of this or any other section: and (d) Be approved by the con7muni v developl71a'11t director. 17-101031 Doc I D 76204 W.J. Strobele September 28- 2017 Pace 4 ot'8 Failure to comply with lamiscape maintenance standards shall constitute a zoning violation under FWRC 19.05.340. Existing clay or sandy soils shall be augmented with an organic supplement. Grass and required landscaped areas shall contain at least four inches of topsoil at finished grade. At least 25% of all planting shall be drought tolerant species." 15. FWRC 19.125.040.22 requires that building walls uninterrupted by window, door, or other architectural feature(s) listed in Chapter 19.115 FWRC, that are 240 square feet or greater in area, and not located on a property line, shall be screened by landscaping. Please note trellises or other articulation would be accepted by the Planning Division. See the elevation markups emailed September 26, 2017. 16. Slopes in areas that have been landscaped with lawn (the perimeter landscaping abutting the right-of- way) shall generally be a 3:1 ratio or less, length to height, to assist in maintenance and to allow irrigation systems to function efficiently. In other areas of plantings, a slope of up to a 2:1 ratio, length to height, may be used if acceptable to the public works director, upon review of a geotechnical/soils study submitted by the applicant to ensure soil slope integrity. 17. Please schedule a final landscape inspection by contacting Associate Planner Leila Willoughby - Oakes at 253-835-2644. 18. The approved landscaping and tree replacement plans shall be installed to the satisfaction of the Planning Division prior to final occupancy. Any deferrals shall be authorized at the discretion of the Community Development Director (FWRC 19.125.090). 19. Please resubmit the revised BLA application drawing per August review comments for preliminary approval and recording prior to the building pen -nit 'Issuance. Ann Dower, PW Development Services, Ann.Dower(a).cityoffeder,,tlway.com Technical Information Report The Settlement Agreement between City of Federal Way and Everspring, Inc. (11/14/96) specifically states in item B.1.b. that the developer is required to provide water quality treatment for the site. Please revise the TIR and plans accordingly. The site must meet current Level 2 flow control standards as outlined in the 2016 King County Sznface Water Design Manual (KCSWDM). If the SW 356th St Regional Detention Facility (RDF) is used to provide detention for parcel 4292104-9048 (130,424 sf), the developer will need to show that this requirement is met using 2016 KCSWDM design parameters; including the existing condition being forested. The SW 356th Street RDF is not available to provide detention for lots 292104-9046 (79,791 sf) or 292104-9053 (15,900 sf), which were included in this development. 17-1020+1 Doc I D 76204 Mr..1. Strobele September 28, 2017 Page 5 of 8 4. The TIR will need to fully address LID requirements as outlined in Core Requirement #9. All LiD must be analyzed to determine feasibility. The square footage of the area that will be infiltrated must be provided and shown as a percentage of the buildable area and/or site. PlaffS The total land area of the site is 226,115 sf according to King County Assessor. Please revise or explain the discrepancy between this and the total shown on sheet. Show parking stall and drive aisle dimensions. Show driveway widths (and aisle). Since the City's project on Pacific Highway S is under construction, the developer is advised to submit right-of-way permit applications for utility connections within Pacific Highway S and complete construction as soon as possible to avoid incurring additional costs. 9. Please see PW Traffic Division comments regarding access spacing. SEPA 10. Although the SW 356"' St Regional Detention Facility is manmade, it should be noted as a "surface water" in item 3.a. Since dredging or other modification to the RDF may be required to accommodate the site's detention requirements, this should also be noted in the checklist. If the applicant intends to provide onsite detention to accommodate additional detention requirements, work within the pond would not need to be included in this checklist. Saradv Lone PE. PW Traffic Division. 253-835-2743, sayadv.lnnancitvoffederalway.com 1. City has received the concurrency analysis application and city staff has completed the analysis. Project has passed the Concurrency test. Project is generating 22 trips. Concurrency analysis fee is $4650.00, 2. Based on the submitted material for 135,978 GSF of self -storage, the estimated traffic impact fee is $155,777.34 (2017 rate). Please note, the actual impact fee will be calculated based on the fee schedule in effect at the time a complete building permit application is filed and must be paid prior to permit issuance. 3. Federal Way City Standard permits more than one connection to the existing public street system will be provided for any development, or part thereof, of four acres or more, or generating more than 250 trips per day or more (25 single-family lots). If not otherwise infeasible, each connection will be to a different street, which is not applicable for this development. Development will get one access. 4. WAC 468-52-040 limits access on state highways to access spacing of 250 feet with only one access per parcel. Pacific Highway is access class "I" where left -in access may be permitted every 330 ft. and left -out access is only permitted at signalized intersections (FWRC 19.135.280). Spacing of first driveway from intersection is less than 250 feet and hence does not meet the spacing standard for public access. Driveway shall move 10 feet south from current location. Please note the SR 99 phase V project will restrict access to right -in and right -out on Pacific Highway S (SR 99). 17-1070 1 Doc 1 U 76204 Nlr..1. Strobele September 28. 2017 Page 6 of 8 If SR 99 southernmost driveway is designated to be used as an emergency access only, then the current location is acceptable. However, the gate must be Opticoin -actuated and approved by South King Fire. Only one driveway access other than emergency access shall be approved for the project. 6. Please show all neighboring driveways within 250 ft. of the proposed driveway along Pacific Hwy S. 7. S 352❑d Street is Access class "4" , which permits full access as close as 150 feet to any other street or intersection or driveway, whether on or off the subject property. However, the 95"' percentile queue length is 265 ft. For safety reasons, to get full access, intersection and driveway separation shall be more than 95'" percentile queue length. Otherwise access shall be right -in right -out. However, if the access is emergency only the location will be approved. The emergency gate must be Opticom-actuated and approved by South King Fire. & Please provide Vehicle turning diagram using maximum size vehicle expected to use showing entry and exit and internal circulation and hence showing 30 feet is adequate driveway width for primary access on Pacific Highway. Chris Cahan, South King Fire and Rescue, Chris.Cahan(a).southkingfire.org, 253-835-2632 Provide a minimum of four fire hydrants. 2. Provide a fire access road per minimum requirements. NFPA 13 fire sprinkler system is required in additional to an automatic fire alarm. 4. Install a recessed know box for emergency personnel access. See the enclosed department memorandum. Brian Asbury. Lakehaven Water and Sewer District BAsburvnlakehaven.ora The applicant completed and submitted an application for certificates of availability and these were issued on November 22, 2017. 2. The applicant submitted a developer pre -design meeting application to Lakehaven on April 20, 2017 and Lakehaven provided technical pre -design comments to the applicant on May 19, 2017 and additional comments on May 31, 2017. The applicant shall submit an application for a Lakehaven Developer Extension Agreement prior to formally starting the water plan review processes. 4. Please apply for the Lakehaven Water and Sewer permitting processes separately and sufficiently early in the pre -design and land use review to avoid delays at construction. Peter Lawrence. CD Building Pete r.Law rence,ci tyoffederalway.coinn 253-835-2621 1. Please reference the December 7, 2016, preapplication notes provided to you. The Building Division conducts their review on building permit submission. 17-102031 Doc I D 76204 Mr..1. Strobele September 28. 2017 Page 7 of 8 1 The proposed retaining wall and any rockeries with a surcharge require separate building permits. Contact the Permit Center at perm it. c enter@cityo ffedera lway. coin for submittal requirements. 3. The applicant is required to record a Boundary Line Adjustment consolidating the three existing parcels prior to building permit issuance. 4. Please contact the Permit Center regarding separate sign permits. Commander Norman, Federal Way Police Chrism stier.Norman(i.citvoffederalwav-rnm. 253-835-6732 SEPA/ CPTED 1. Per FWRC 19.115. 010 CPTED regulations, the city kindly requests you meeting with the IT, Planning Divisions and FW Police Department to discuss a partnership with Federal Way Safe City program on this proposal. A site security plan is a condition of this land use approval as self -storage facilities are not active use and result in limited natural surveillance' and the design elements reflecting ownership; particularly along the east and south property lines ("dead zones"). 2. Do not use chain -link fencing to secure the site. PD notes chain -link fencing is easily compromised or cut at these facilities. The Police Department requests the use of wrought iron fencing around the entire perimeter of the property or those areas out of public view. 3. The Community Development and Federal Way Police Departments encourage working with the City of Federal Way Stormwater Management Division and Donald B. Murphy (DBM) Contractors on tax parcel 292104-9002 to eliminate the space between the storage facility's fencing and the existing fencing on abutting properties (Figure 1). Figure 1. Federal way Premier Storage (35200 Pacific IIwy. S.) Site Perimeter 2 Nana -al surveillance. This focuses on strategies to design the built environment in a manner that promotes visibility of public spaces and areas. 17- 10203 1 Doc I D 76_04 Mr..1. Strobele September 28, 2017 Page 8 of 8 Closing When resubmitting requested information, please provide a brief written response to this letter and six copies of corrected full size plans (i.e. revised sheets required only) and requested materials addressing technical comments in full with the enclosed resubmittal form. If an applicant fails to provide additional information to the city within 180 days of being notified that such information is requested, the application shall be deemed void. Should you have any questions contact Associate Planner Leila Willoughby -Oakes at 253-835-2644 or leila.willoughby- oake sic i tyo ffedera I wa u. co tii . Sincerely, Leila Willoughby -Oakes Associate Planner enc; Resubmittal Form Parking Design Lot Criteria Bulletin Lakehaven Comments South King Fire & Rescue Comments FWRC 19.125.100 -Landscape Modification Submittal Requirements' Hostile Vegetation List (Federal Way Police Department) Elevation Redlines (Design Guideline Review) c: Rob Rueber, Norlan Corporation. Emailed: Rob. norlanrc'riicomcast.net S. Bourne, Project Architect, 11021 Sand Point Way NE, 98125. Seattle WA_ Emailed Jason Hubbel. Barghausen Engineers_ Emailed: jlwbbellii'bur�Jiauscn.conti Ann Dower, Senior Engineering Plans Reviewer Sarady Long. Senior Transportation Planning Engineer Soma Chattopadhyay, Traffic Engineer Brian Asbury, Lakehaven Water & Sewer Chris Cahan, South King Fire & Rescue via email Lindsey Sperry. Crime Prevention Analyst via email Rob van Orsow, Solid Waste & Recycling via email ,;it ]phcn. buunteli►'urmeasi.net 17-1070 3,1 Doc I D. 761_04 CITY OF L Federal Way May 25, 2017 Stephen Bourne Site + Plan + Mix LLC 11012 Sand Point Way Seattle, WA 98125 r- 33325 8th Avenue South Federal Way, WA 98003-6325 (253) 835-7000 www. cityoffederalway. com Jim Ferrell, Mayor stephen.botirne@comcast.net Re: File #17-102031-00-UP; NOTICE OF INCOMPLETE APPLICATION Federal Way Premier Storage, 35200 & 35204 Pacific Hwy S., Federal Way Dear Mr. Bourne: We received your application on May 4, 2017, for a self -storage facility with associated site improvements. Pursuant to Federal Way Revised Code (FWRC) 19.15.045, "Completeness of Applications," the City has 28 days to determine whether an application is complete. The project is being reviewed under the provisions of FWRC 19.65, `Project Approval.' INCOMPLETE APPLICATION The following item is missing or deemed incomplete by the Public Works Development Services and Planning Divisions. In order for your application to be considered complete and ready for processing, the item below must be provided. Use Process II I applications must at the minimum provide the information contained within City of Federal Way Bulletin No. 001, 'Use Process Ill Submittal Requirements.' Two copies of a current title report for the subject property, including anv easements or restrictions affecting the properties with a description, purpose, and reference by recording number. The title should include copies of the supplementary documents. CLOSING Please submit the requested document with the enclosed resubmittal form. After receipt of the requested information, the department will notify you within 14 days whether your application is considered complete or what, if any, information is still needed. The review clock for processing your formal application will not begin until all items are submitted. A full technical analysis will be conducted after the application has been deemed complete for processing. Per FWRC 19.15.050, if an applicant fails to provide additional information to the city within 180 clays of being notified that such information is requested, the application shall be deemed null and void and the city shall have no duty to process or review such an application. Mr. Bourne May 25. 2017 Page 2 Please contact me at 253-835-2644, or leila.willow;hby-cakes(c{ci[ynffederaiway.corn, should you have any questions about this letter or your application_ Sincerely, 't-1 � ✓ Let a Willough�d4 by es Associate Planner enc: Resubmittal Form Bulletin '020' Use Process Submittal Requirements c: Ann Dower, Senior Engineering Plans Reviewer Erik Preston, Senior Transportation Engineer Chris Cahan, SK Fire and Rescue Rob Rueber. Youngspring LLC, Emailed: rob.norlanre0:,comcast-net 17-102031-00-UP Doc. I D 759>5 � CITY OF _. Federal Way June 1, 2017 Joseph Strobele Crystal Peaks Storage Group 15115 NE 67`h Place Redmond, WA 98052 "1 -L F 7 33325 8th Avenue South Federal Way, WA 98003-6325 (253) 835-7000 www.cityoffederalway.com Jim Ferrell, Mayor Emailed: itrobele c-investinents.com RE: File Nos: 17- 102031-004P & 17-102032-00-SE; LETTER OF COMPLETE APPLICATION Federal Way Premier Storage, 35200 & 35204 Pacific Highway South, Federal Way Dear Mr. Strobele: The Community Development Department is in receipt of your May 4, 2017, Process III and State Environmental Policy Act (SEPA) Master Land Use (MLU) application. A critical area memo peer review is also being processed under city file no. 17-102535-00-AD. Your proposed project includes construction of a new mini self -storage facility of 648 units and approximately 93,724 gross square feet of building area (including the enclosed RV and boat storage). The subject property is vacant and comprised of three existing parcels. The site is currently used as a construction lay -down yard for Pacific Hwy Phase V capital improvements. Pursuant to Federal Way Revised Code (FWRC) 19.15.045, within 28 days of receiving an MLU application, the city shall detennine whether all information and documentation required for a complete application has been submitted. The subject application was deemed incomplete on May 25, 2017. The applicant submitted the requested information (title report with supplementary documents) on May 26, 2017. NOTICE OF COMPLETE APPLICATION Please consider this correspondence a Notice of Complete Application. Pursuant to FWRC 19.15.045 and 14.10.020, the application is deemed complete as of June 1, 2017. The complete application determination is based on a review of your submittal relative to those requirements as set forth in FWRC 19.15.040 and 14.10.020. The submittal requirements are not intended to detennine if an application conforms to the City of Federal Way codes; they are used only to determine if all required materials have been submitted. A 120-day time line for reviewing the Process III application has started as of this date. The city's development regulations allow the department 120 days from the date that an application is deemed complete to take action on the application. However, the 120-day time line will be stopped at any time the city requires corrections and/or additional information. You will be informed of the status of the 120-day time line when you are notified in writing that corrections and/or additional information are needed. The Development Review Committee (DRC) staff is preparing initial technical review comments that will be forwarded to you in separate correspondence. Technical review comments may result in a request for additional information and revisions in order to comply with applicable code requirements. Mr. Strobele June 1, 2017 Page 2 of 2 NOTICE OF APPLICATION Formal processing and review of your application will now begin. A Notice of Application will be posted on site and on the city's official notice boards, published in the Federal Way Mirror, and mailed to the persons within 300 feet of each boundary of the subject property within 14 days of this letter. CLOSING If you have any questions regarding this letter or your development project, please contact me by email at leita.willoughby_-oaken@cityoffederalway.co:n, or by phone at 253-835-2644. Sincerely Leila Willoughby -Oakes Associate Planner enc: NOA (dated June 2, 2017) - cocl__,� c: Stephen Bourne, Site + Plan + Mix LLC, Email: stc12hen.bourne0corncast.ne[ Rob Rueber, Norlan Corporation, Email: rob.norlanren&umcasl.ne[ (Owner's Agent) Ann Dower, Senior Engineering Plans Reviewer Erik Preston, Senior Traffic Engineer Brian Asbury, Lakehaven Water & Sewer Chris Cahan, South King Fire and Rescue 17-10203 1 -00-UP Doc. LD. 75983 00 N O O O 0 0 X y N CO N Cp N Co N CD N w N fD N Co N Co N co N Co N co N O N O N O N O N O N O N O OD 'f n N O N O N O N O N O N pp N O N O N pp N O N O N O N O N O N O N O N O N O W O A Co A Co A c0 A Co A A cococococococoCD A A A A A A A A coD A A Co A c0 A Co 00 o c O CD CA I OD N 00 N Cr 0 0 co O 0 CT W 0 A I Co 0 A OD 0 A O 0 O W 0 O N . 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0 0 -A = 0 0 D w o w �, a 2 m 2 y 2 = 2 2 2 2 2 < 2 2 n = coy (A cn cn co cn o (n cn w cn cn -n m -1 m -n m -n m -n m 'n m TI m TI m 71 m -n m 'n m -n m -n m -n m -1 m -n m -n m C- a m v m v m v m v m v m v m v m v m v m v m v m v m v m v m v m v m c 7IA r r r r r r r r r r r r r r r r r < >< � � 3 Co OD O Co OD O cD 00 o CD OD O CD 00 O Co 00 O CD OD O Co OD O Co o O CD OD O CD o O CD 00 O Co 00 O CD OD O CD W O Co 00 O CD OD O y Cf O co O W o W O W O w O w o W O co O W O W O W o W O W O W O W O W O co O C :1 geoAdvantage: King County -of Washington State (App3) Page 1 of 1 http://geo.sentrydynamics.net/WA—King/default.aspx 5/10/2017 j Parcel�D Owner Site Addr Site City Sale Date Sale Price Beds Baths 7204800163 Ing Lowell Federal Way 10/05/89 $3,000 0 0.00 7204800165 Kim Yong Kyu Federal Way 08/22/05 $525,000 0 0.00 7204800167 Shoreline Park LLC 27802 Pacific Hwy S Federal Way 03/16/17 $2,100,000 0 0.00 7204800172 Kim Hae Soung Federal Way 06/28/04 $3,000 0 0.00 7204800174 Chung Richard Y Federal Way 04/04/96 $0 0 0.00 7204800180 Yi Won Sik 27641 Pacific Hwy S Federal Way 09/13/05 $0 0 0.00 7204800186 Silver Shadow Real Estate H 27606 Pacific Hwy S Federal Way 02/08/08 $13,423,600 0 0.00 7204800190 Chao Tung Federal Way 03/08/05 $0 0 0.00 7204800195 Halberg John R 27721 Pacific Hwy S Federal Way 02/16/05 $567,000 0 0.00 7204800200 Barkley Ridge Partners Lp 27830 Pacific Hwy S Federal Way 08/28/07 $1,600.000 0 0.00 7204800202 Kim Yong Kyu 27820 Pacific Hwy S Federal Way 03/08/05 $0 0 0.00 7204800204 Schroeder Steven C 27800 Pacific Hwy S Federal Way 12/28/06 $0 0 0.00 7204800210 Crestview West Partners Lp 27912 Pacific Hwy S Federal Way 01/12/06 $6,798 0 0.00 7205400010 St Louis Ernant 27805 16th Ave S Des Moines 02/17/10 $0 4 2.50 7205400011 Chard Lloyd 27804 16th PI S Des Moines 08/11/05 $306,000 3 2.50 7205400012 Ghebremariam, Solomon & Senait 27808 16th PI S Des Moines 03/03/16 $0 4 2.50 7205400013 Pann Hans G 27812 16th PI S Des Moines 02/26/10 $215,000 3 2.50 7205400014 Chard Saleshni V 27816 16th PI S Des Moines 02/13/04 $229,950 4 2.50 7205400125 Kim Jinna K 27905 Pacific Hwy S Federal Way 04/18/08 $675,000 0 0.00 7575620270 Paige Donzelle 2036 S 279th PI Federal Way 08/24/05 $366,000 4 3.25 7575620280 Cobarrubias Danilo V 27836 20th PI S Federal Way 01/15/91 $134,950 3 2.25 7575620290 Soung Pa 27826 20th PI S Federal Way 07/07/05 $252,000 3 1.50 7575620300 Nesterov Simon 27818 20th PI S Federal Way 06/28/13 $192,000 3 2.25 7575620310 Lacap Renato A 27812 20th PI S Federal Way 04/15/91 $150,850 4 3.25 7575620320 Van Fredenberg Jeffrey G 27808 20th PI S Federal Way 06/18/09 $236,000 4 2.50 7575620330 Llewellyn Jeffrey K 27804 20th PI S Federal Way 03/18/97 $156,900 4 2.50 7575620340 Santos -Velez Veronica 27800 20th PI S Federal Way 09/28/00 $181,500 3 2.50 7575620350 Iraheta Jorge 27803 20th PI S Federal Way 08/03/06 $303,000 3 2.25 7575620360 Martinson, Terrence E 27807 20th PI S Federal Way 05/23/16 $316,575 3 2.50 7575620370 Phy Chan Ratana 27811 20th PI S Federal Way 02/13/14 $233,000 3 2.50 7575620380 Reyes, Direen B & Juni T 27815 20th PI S Federal Way 10/04/16 $322,000 3 2.25 7575620390 Greer Devon William 27819 20th PI S Federal Way 08/10/06 $292,500 3 2.25 7575620400 Kerscher, Kevin R 27823 20th PI S Federal Way 09/19/16 $300,000 3 2.50 7575620410 Trunnell Brad J 27827 20th PI S Federal Way 10/20/04 $230,000 3 2.50 7575620420 Fujita Patrick 27831 20th PI S Federal Way 08/01/05 $277,500 3 2.50 7575620430 Zimmerman Mark A 27835 20th PI S Federal Way 10/30/92 $132,600 3 2.50 7575620440 Ih5 Property Borrower Lp 2012 SE 279th PI Federal Way 06/29/15 $220,000 3 2.50 7575620450 Peterson Carl R 2006 S 279th PI Federal Way 12/27/12 $193,000 3 2.50 7575620780 Federal Way City Of Federal Way 12/29/92 $0 0 0.00 a M M Ln M M M M kD M M m ri M M M M M M ri M M M M M M M M M M M M M M 00 0 m N 0 0 0 LD oo -zj- 0 0 z' m O m m m m O O O O O m 0 0 0 0 0 m O O N n O ri M N O ri r-I 0 e-1 o O ri r-I O r-I r-I ri N 0 0 0 0 0 0 0 0 0 0 0 r-I 0 0 L ri 00 00 r-I O w N o0 w o0 w W 00 00 00 00 m 00 m o0 00 00 w o0 00 00 w w o0 00 W 00 w 3 O a) 4j m V) L 3 a s a a Q Q a a a a Q a Q a a a a a a a a Q a Q a Q a a °u uu?: E Y �' d N N N N m I�0 ITa /TO lT0 ITO ITO rTa m N m m u v c c c c to . 01.IO L . •2 L. 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LL LL 0 LL LL O O O N aJ LN (A V) V) 4+ N N Y Q c 0i N 0 0 N N 0 N c� 4� N 00 N �-I Ln C N Ln N M m N w N 00 00 00 ri O M N N N N O M N N N rI N M Q J L a) O O L T O 0o U � T T m t m E n C a) W O Ln f0 4° E a` — E 41 -a Li IV t 0_ Lcu Y U L Y L m a L U 0 0 0 0 0 0 ci N M � Ln 00 O O O O O O N N N N N N l0 lD LD l0 t0 l0 m Ln m m m Ln N N N N N N m m m Ln Ln m N N N N N N ,CITY OF FEDERAL WAY COMMUNITY DEVELOPMENT DEPARTMENT DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL DATE: May 12, 2017 TO: Cole Elliott, Development Services Manager Peter Lawrence, Plans Examiner Rick Perez, City Traffic Engineer Brian Asbury, Lakehaven Water & Sewer District Chris Cahan, South King Fire & Rescue Lindsey Sperry, Crime Analyst and Prevention Specialist Tina Vaslet, Pierce Transit (SEPA & Subdivisions Only)/E-Ro t n Ha , KC Metro (SEPA & S bdi i ions Only)/E- outing FROM: Leta i lough y-flakes, Plahni tg FOR DRC MTG. ON: June 1, 2017 - Internal Completeness Review Application received May 9, 2017 ............ ....... I., ......... ........ .. . FILE NUMBER(s): 17-102031-00-UP; 17-102032-SE RELATED FILE NOS.: 17-101402-CN; 16-105035-PC; 08-100855-UP (Exp. Hotel UP III) PROJECT NAME: FEDERAL WAY PREMIER STORAGE (fka 352ND SELF STORAGE) PROJECTADDRESS: 35200 & 35204 Pacific Hwy. S., *No Site Address* (Pac. Hwy. S & 352nd) Parcels: 292104 9046; 292104-9048; 292104-9053 ZONING DISTRICT: CE PROJECT DESCRIPTION: Proposed 108,472 sq. ft. self -storage facility containing six one-story buildings on 5.19 acres. Site is zoned CE. Applicant proposes to merge three existing parcels (pending BLA application submittal). Abuts city storm facility (south) and contains Lakehaven sewer mainline (west p/1). Subject property vacant/ used as a laydown yard. Possible landscape modification request from Type III requirements. Located in wellhead protection zone (6 mos., 1-yr and 5-yr). LAND USE PERMITS: Use Process III; SEPA PROJECT CONTACT: Stephen Bourne (Architect) Joe Strobele (Purchaser) Site + Plan + Mix LLC Crystal Peaks Storage Group 11012 Sand Point Way Email: 'strobele e-investments.eom Seattle, WA 98125 Emailed: ste hen.bourne comcast.net Rob Rueber (Owner) PO BOX 2041 Ln. # Milton, WA, 98354 Email: Fob.norlan-e comcast.net MATERIALS SUBMITTED: Master Land Use Application Photometric Site Plan SEPA Checklist Site Photos Design Narrative CPTED Checklist Plan -set Hazardous Materials Inventory Checklist TlR Title Insurance Document - Title Report w/ Supplemental Pending Water & Sewer Availability Certs. FW 99 Color & Materials Chart Masonry Color Manufacturer Base Wainscot Split Face' Charcoal Mutual Materials Primary Field Block' Burgundy Mutual Materials Accent Band Ground Face' Natural Mutual Materials Metal Siding Mini-V (vert.) Reversed Box Rib (Vert.) Architectural Metal Roofings Gutter & Rake Copings Downspoutss Exposed Steel° Storerfont Window Frames Insulated Exterior Panel Doors Low -sloped Metal Roofing Uninsulated Coil Doors Exterior Light Fixtures Cool ZACtique Cool Zinc GraVD Colonial Red - Matte Black 1 Matte Black` Black Clear Anodized Taupe Galvanized Sandstone Bronze AEP Span AEP Span AEP Span AEP Span AEP Span TBD TBD Cressy/Raynor AEP Span Janus TBD Notes 1. All CMU will be Integral Color w/ "Dry -Block" and 2 coats clear sealer 2. AEP Span colors taken from "DURATECH 5000" standard color chart 3. AEP Span Premium Color 4. Exposed Steel included all canopies, steel posts and beams, and fire exit & utility doors RIVED CITY OF FED EPX Wi%y COMMUN17Y DEVELOPMENT FEDERAL WAY PREMIUM STORAGE COLORS & MATERIALS AW SMOOTH -FACE CMU - BURGUNDY _,���_." .•tom*� � �y� ,.� :r. . ; � ry..'�--, � tifF�a•. ... � LDS GROUND -FACE CMU - NATURAL SPLIT -FACE CMU - CHARCOAL METAL ROOF & COPING - COLONIAL RED VERT. MINI-V SIDING - GRAY ANNODIZED (ZACTIQUE) VERT. BOX RIB - ZINC GRAY Project Name 1 Applicant �� Project Location '*%�� � �Q Tracking No. RECEIVED IV. FURTHER INFORMATION Provide the approximate quantity of fill and source of fill to be imported to thheAsit _ 2017 C71y OF F[lE F7Ai u.+av A roximate Quantitl of Imported Fill Source ELCF�- EW Check box #1 if you do not plan to store, handle, treat, use, produce, recycle, or dispose of any of the types and quantities of hazardous material or deleterious substance listed in Section III. Check box(s) #2 through #5 (and fill in appropriate blanks) of the below table if they apply to your facility or activity. #1 The proposed development will not store, handle, treat, use, produce, recycle, or dispose of any of the types and quantities of hazardous materials or deleterious substances listed above. #2 [ ] Above ground storage tanks, having a capacity of gallons will be installed. #3 [ ] Construction vehicles will be refueled on site. Storage within wholesale and retail facilities of hazardous materials, or other deleterious #4 [ ] substances, will be for sale in original containers with a capacity of gallons liquid or mounds solid. The presence of chemical substances on this parcel is/will be for "temporary" non -routine #5 [ ] maintenance or repair of the facility (such as paints and paint thinners) and are in individual containers with a capacity of _ gallons liquid or mounds solid. Check any of the following items that currently exist or are proposed in connection with the development of the site. 0 #1 [ ] Stormwater infiltration system (e.g., french drain, dry well, stormwater swale, etc.) #2 [ ] Hydraulic lifts or elevator, chemical systems, or other machinery that uses hazardous materials #3 j ] Cathodic protection wells #4 [ ] Water wells, monitoring wells, resource protection wells, piezometers #5 [ ] Leak detection devices, training for employees for use of hazardous materials, self-contained machinery, etc. SIGNATU Date Print Name Ifyou have any questions about filling out this application form, please call the Department of Community Development Services at 253-835-2607. Please be advised that an application for a development permit lacking the required information will not be accepted. Bulletin #056 —January 1, 2011 Page 3 of 3 k:\Handouts\Hazardous Materials Inventory Statement Ilk �'' `" Y,; cif, .•r ry�`�'},_tt.t`+�� Al vy rwlF . i 4ftit . '. � ��•`i'�; �'.:,�;�'; + '�s�•;-, ,. err.,_ '� ,r� _ .t • �.P S• ,.s fit. - �ttnP'A.:: *� r.. ..f'- •`' - - - .� _ � ..� " "� ��•7 i. If � .{3v �C � � .r' r =fryR`. -. .. _ -r . _ ` }�� r. � � � E CT�� 1'� 11 \ r i� �'� " _� ��� �, .�, ' • +�T• •rr^ ~�k••�t� r 'i �,�' �, '�.. �ier`Y�•�c`jbM • �`' � � - - - _�...•>r. -' ' !. y '�� +}+w . -r a t+ rGsK isl. ' •r_ t � :t�S' - - AMC- �_�• i• At 3574.4 2(',+ Pacific Hwy S --- >� . "' i _A {.• :ter l � , - � ;; � � ` I .-,•.z •., '�� �x �. �t ►� •� ` . -- �r •r - � ��• •r�4i .:fai ij_"f-yy �. r � :sr�,'c�r�t�if^'.ifl-�� ��;� . _ ` M't4 •� � r •j _ •� � _ ..::� - ram.: < . •� � �, � •� - �•�. Y f tii _ ! ±4i �1 .� -ry•�,. a @�J'f,• • e Y� �s• ok VI Wt � L '.. � 1,�'' i".�• S fir' } - •w 5 Mir'' � !�� �•'rS� � - ap r, t ` Yr ; A rl, :.. _• �%'zx. t . yam} AP i../ .r ; _� 1 +`S,fr' 1' �F -- � �L� � - z yy •�y+•�•'�� ^sr, ' y rr ' r L� r 4 J•r ��'�'.l ��i'i �.L ~V ff 17, Ab vp .01 qjlsy iA .w fir` �r •-'ws?. �'�;.>r. C`.,.' �.'rtN - .. � r - -� - .. .ram}•'ris. '�a;l y; _' �.- .:f*�r „� � ar _•�� -� y • - � _" _ �• ISM I � � �• :� _ r s i - - r - r✓ �1��=� .sir:::• `,� 4 r `, ;� �`3' a, �,� } _ •,fin '�' _ +4•. r� Jrr� _ .-fir 1 ""', 1� .�• � � - `�, _�' '� - r. K �. -� , r •r _ '•.C' . !!R'f•-�'�• f- _ its :� RECEIVED Lakehaven ��� WATER & SEWER DISTRICT 9 2817 _ CITY OF FEDERAL Wly WATER C ERTTFICATE OF AVATLA COMMUNITY p1=VELL3PMEIYf Lakehaven Water & Sewer District - Development Engineering Section 31623 - 1st Ave S * PO Box 4249 * Federal Way, WA 98063-4249 Telephone: 253-945-1581 or 253-945-1580 * Email: DE@Lakehaven.org This certificate is intended to provide the applicant, land use agencies &/or public health departments with information necessary to evaluate development proposals. Lakehaven Water & Sewer District, at its sole discretion, reserves the right to delay, or deny, water service based upon capacity &/or supply limitations in Lakehaven's or Other Purveyor's system facilities. Proposed Land Use: ❑ Building Permit-SFR ❑ Building Permit-MFR ® Building Permit -Other ❑ Subdivision ❑ Short Subdivision ❑ Binding Site Plan ❑ Rezone ® Boundary Line Adjustment ❑ Other (specify/describe) Tax Parcel Number(s): 292104-9046. -5048, -9053 Site Address: 352XX Pacific Hwy S Lakehaven GIs Grid: 3-13 Ex. Bldg. Area to Remain: N/A sf New Bldg. Area Proposed: 108.476+/- sf Applicant's Name: Younosprino LLC WATER SYSTEM INFORMATION 1. ❑ Water service can be provided by service connection to an existing " diameter water main that is approximately feet from the site. 2. ® Water service for the site will require an improvement to Lakehaven's water distribution system of: ® a. 5+ - feet of 8" &/or 12" diameter water main to reach the site; and/or ® b. The construction of a water distribution system on the site; and/or ❑ c. A major portion of Lakehaven's comprehensive water system plan would need to be implemented and/or constructed; and/or ® d. Other (describe): Lakehaven Develoi2er Extensi n Agreement re uired. Ext n r E c rner r Lakehaven Dolicv. 3. ® a. The existing water system is in conformance with Lakehaven's Comprehensive Water System Plan. ❑ b. The existing water system is not in conformance with Lakehaven's Comprehensive Water System Plan and an Amendment to this Plan will be required. This may cause a delay in issuance of land use approvals or permits. 4. ® a. The subject property is within the corporate limits of Lakehaven Water & Sewer District, or has been granted Boundary Review Board approval for extension of water service outside of Lakehaven's water service area. ❑ b. Annexation or Boundary Review Board approval will be necessary to provide service. S. Water service is subject to: ® a. Payment of connection charges (to be determined by Lakehaven); ® b. Proof or reservation of easement(s) as required by Lakehaven; ® c. Other: Active CIP project (Pacific Hwy S Phase V) work must b accepted to k n r[ r ❑ mme i OE A reem nt indicated On #2 a v . Comments/special conditions: Care shalle taken to avoidn r a u viging nr nrnn-,-,4wer s ac i'ti s &/or associated easements, on. he site, ervi a ressur reater han 80 DSJ I dl ressure Reducln V ive s indicated contact local bultdinQ OffidaI f r reguire n & or add i nal infor i n. The nearest fire hydrant is approximately 5+ - feet from the Property (as shown on map on the back of this page). System hydraulic model results (FF #139), at no less than 20 psi, indicate that Lakehaven's standard maximum allowable liquid velocity of 10 ft/s is exceeded at a fire flow rate above 1.300 GPM (approximate). This flow figure depicts the theoretical performance of the water distribution system under high demand conditions. Fire flow rates greater than this may be accommodated through water distribution system improvements, contact Lakehaven for additional information- 450 Pressure Zone Est. Meter Elevation(s)-GIS: 236+/- Est. Pressure Range at Meter(s) (psi): Min. 90, Max. 93 I hereby certify that the above water system information is true. This certification shall be valid for one (1) year from the date of signature. Name: BRIAN ASBURY Signature: Title: DEVELOPMENT ENGLNEERI ERVISO Date: Youngspring LLC wtr 2921049046 292104904"921049053.docx (10/18/16) Page 1 of 2 ?1 V4,9027 it 26 fr 2021049047 r 35109 Ex. AC 'Hater Main (to be removed) G r R e r � r r Ar B" 1 err 43180C10 f 'f qT � f r , F r C3� I rr � i Vf ► , x ► 2921049125 35400 2021049148 35100 Proposed DI Vcater Main (Under Construction) 2921049158 357210 2921049159 OTE: Lakehaven 'IJater and Se District neither ►auants nor guaran the acenFacy of any facility infortr9 provided. Facility locations and conditi are su bj ect to field verificat on. 2921049049 1220 M49C 35454 2021049059 1351 20210491 35053 10490021 1200 Water Certificate of Availability M Parcels 2921049046, 2921049048, 2921049063 Feet 11/22/2016 BIA Youngspring LLC wtr 2921049046 2921049048 2921049053.docx (10/18/16) Page 2 of 2 RECEIVED It6Lakehaven � u°n EL a:kY WATER r� SEWER DISTRICT Uf MLITr EWERNEWIN Lakehaven Water & Sewer District - Development Engineering Section 31623 - 1st Ave S * PO Box 4249 * Federal Way, WA 98063-4249 Telephone: 253-945-1581 or 253-945-1580 * Email: DE@Lakehaven.org This certificate is intended to provide the applicant, land use agencies &/or public health departments with information necessary to evaluate development proposals. Lakehaven Water & Sewer District, at its sole discretion, reserves the right to delay, or deny, sewer service based upon capacity &/or supply limitations in Lakehaven's or Other Purveyor's system facilities. Proposed Land Use: ❑ Building Permit-SFR ❑ Building Permit-MFR ® Building Permit -Other ❑ Subdivision ❑ Short Subdivision ❑ Binding Site Plan ❑ Rezone ® Boundary Line Adjustment ❑ Other (specify/describe) Tax Parcel Number(s): 2.92104-9046. 19DAE - 0053 Site Address: 352XX Pacific Hwy S Lakehaven GIs Grid: 3-13 Ex. Bldg. Area to Remain: N/A sf New Bldg. Area Proposed: 108.476+/- sf Applicant's Name: Youngspring LLC SEWER SYSTEM INFORMATION 1. 0 Sewer service can be provided by service connection to an existing 8" or 10" diameter sewer main that is on the site and the sewer system has the capacity to serve the proposed land use. 2. ❑ If new buI1(lJag5to.-remain as -proposed, sewer service for the site will require an improvement to Lakehaven's sanitary sewer system of: ❑ a. feet of " diameter sewer main or trunk to reach the site; and/or ® b. The construction of a sanitary sewer collection system on the site; and/or ❑ c. A major portion of Lakehaven's comprehensive wastewater system plan would need to be implemented and/or constructed; and/or ® d. Other (describe): Lakehaven Developer Extension &qreeMent renuired. 3. ® a. The existing sewer system Is in conformance with Lakehaven's Comprehensive Wastewater System Plan. ❑ b. The existing sewer system is not in conformance with Lakehaven's Comprehensive Wastewater System Plan and an Amendment to this Plan will be required. This may cause a delay in Issuance of land use approvals or permits. 4. ® a. The proposed site land use is within the corporate limits of Lakehaven Water & Sewer District, or has been granted Boundary Review Board approval for extension of sewer service outside of Lakehaven's sewer service area. ❑ b. Annexation or Boundary Review Board approval will be necessary to provide service. S. Sewer service is subject to: ® a. Payment of connection charges (to be determined by Lakehaven); ® b. Proof or reservation of easement(s) as required by Lakehaven; ❑ c. Other: Comments/special conditions: Carn to v id encroachment upon existingr proposed water &I.0c Sewersystem facilities. r associated easements, n the site. I hereby certify that the above sewer system information Is true. This certification shall be valid for one (1) year from the date of signature. Name: BRIAN ASBURY Title: DEVELOPMENT ENGINEERING SUPERVISOR Signature: Date: 1 Youngspring LLC swr 2921049046 2921049048 2921049053.docx (10/18/16) Page 1 of 2 F02149027 ` 26 2021049148 2021049059 2021049047 35100 1351 202104911 35109 35053 1 1 P F i f i 185318OD10 CO 6" Service Stub t. 2921049158 f mar 35210 I 2921049049 ` 1220 f r a 2921049125 2921049159 °p 3540D 356 TH T 2921049D02 PVC 1200 292 r-454 IOTE: Lakehaven -Na?er ,and seed.,er Sewer Cerlificate ofAvailability � District neither warrants nor guarantees Parcels 2921049046, 2921049048, 2921049053 the accrracy of any facility inforrnniion a IN 2^3a provided. Facility locations and conditions arm subject tofield verification. Peet 11/22/2016 BIA Youngspring LLC swr 2921049046 2921049048 2921049053.docx (10/18/16) Page 2 of 2 VICINITY MAP 1- 1-1 R 11. it SITE -lQ,W.d self 'Wrage radd F100-ef Htqh Sch a ol 1 AECEIVC-L) SAY 0 9 2017 CITY OF FfToEp� 41'..jy Cor"Cl.fUN17y . T ' l.. r r., .�`GG' - - - _ - •$►LiN�r.-�'�- r err r -". . w r _ ��;,ryK .�Y.' .M 4. •' tom' ' i sys_ y •�_.,., ,qr +. f r i� �. _ _ 'f �.. .. gut -.■- ; •�- ' _� a„ x .s :.M1 � "' � f [ ]illllxj�i��P:ii..:...,1� !r .•..��.. •�..�.�•�. "'� , ,ti . � - "• " �;: •:. a•�': 77 r ` -4'9 _ AID y: RWA ® RICHARD WARD ASSOCIATES a LANDSCAPE ARCHITECTS November 14, 2017 Leila Willoughby -Oakes Associate Planner 33325 8"' Avenue South Federal Way, Wa. 98003 RE: File #17-102031-00-UP/17 Landscape Modification Request Dear Ms. W.Oakes: It is our belief that the Landscape Modification Request meets the intent of the City of Federal Way Landscape Code, chapter 19.125 and the intent of the CPTED Checklist. There are a few deviations from the code requirements for the street frontage landscape requirements. These deviations are to meet the intent of the CPTED and the landscape code which seem to be in conflict. We believe that the requested modification meets the intent of Chapter 19.125.100 Modification Options sub -section 2-6. We also believe that the modification request will enhance the recent improvements to 352nd Street and the future improvements to Pacific Highway South. We ask that the Landscape Modification request be granted. If there are any questions, please contact this office. Bes egards, f Richard Ward Landscape Architect RESUBMITTED Nov 14 2017 CfTY CW FEDERAL WAY C,{MUNfTY DEVELOPMENT 2100-112TH Avenue NE, Ste. 100 a Bellevue, WA - 98004 ■ 206.387.6223 i 41k FCITederal Way DEPARTMENT OF COMMUNITY DEVELOI 33325 8'h Avenue St - Federal Way, WA 9800- �, ® 253-835-2607; Fax 253-835-2609 www, c i tyoffedera l way.com MAY 0 9 2017 CITY OF FEGvR&L WAy : 0M'VU..N'1?Y ❑EVELaPml~sp!- Crime Prevention Through Environmental Design (CPTED) Checklist Directions Please fill out the checklist to indicate which strategies have been used to implement CPTED principles in your proposed project. Please check all strategies that are applicable to your project for each of the numbered guidelines. You may check more than one strategy for each guideline. Your responses will be evaluated by city staff, and will be integrated into the site plan and/or building permit review process. Section and ✓ Functional Area Evaluation for Performance Performance Standard Agency Use Only Standard Strategy ■ Applicable during Site Plan Review e Applicable during Building Permit Review Section 1.0 Natural Surveillance 1.1 Blind Corners ❑Conl Avoid blind corners in pathways and parking lots. ❑Revise _ ❑NA Comments: El Pathways should be direct. All barriers along pathways should be permeable (see through) including landscaping, fencing etc. i Consider the installation of mirrors to allow users to see ahead of them and around corners. e Other strategy used: The perimeter of this site is completely secured by a minimum 7' high fence or screen wall. There Xx are no unsecure edestrian-pathways-inttrtlte-sec tote. The street frontage along 352nd does not have areas that can be used for hiding. 1.2 Site and Building Layout _ ❑Cor Allow natural observation from the street to the use, from the ❑Revise use to the street, and between uses _ ❑NA Comments: Bulletin #022 —January 1, 2011 Page 1 of 9 k:\Handouts\CPTED Checklist Section and Performance Standard ✓ Functional Area Performance Standard Strategy ■ Applicable during Site Plan Review e Applicable during Building Permit Review Orient the main entrance towards the street or both streets on For Non -Single corners. ■ Family Development Position habitable rooms with windows at the front of the dwelling. ■ Access to dwellings or other uses above commercial/ retail development should not be from the rear of the building. ■ ❑ Offset windows, doorways and balconies to allow for natural observation while protecting privacy. ■ Locate main entrances/exits at the front of the site and in view of the street. ■ For Commercial/ Retail/ Industrial If employee entrances must be separated from the main and Community ❑ entrance, they should maximize opportunities for natural Facilities surveillance from the street. ■ In industrial developments, administration/offices should be located at the front of the building. ■ Avoid large expanses of parking. Where large expanses of For Surface 0 parking are proposed, provide surveillance such as security Parking and cameras. ■ Parking Structures Access to elevators, stairwells and pedestrian pathways should be cle 1 visible from an adjacent parking area. ■ 0 Avoid hidden recesses. ❑ Locate p ►ig, ama,� in -lee ions that can be observed by adjoining uses. ■ Open spaces shall be clearly designated and situated at For Common/ locations that are easily observed by people. Parks, plazas, Open Space ❑ common areas, and playgrounds should be placed in the front Areas of buildings. Shopping centers and other similar uses should face streets. ■ 0 Other strategy used: _There are no Open Spaces on this project. Evaluation for Agency Use Only Bulletin #022 — January 1, 2011 Page 2 of 9 k:\Handouts\CPTED Checklist 0 Section and ✓ Functional Area Performance Performance Standard Standard Strategy ■ Applicable during Site Plan Review e Applicable during Building Permit Review 1.3 Common/Open Space Areas and Public On -Site Open _ Space — Provide natural surveillance for common/open space areas. _ Comment Position active uses or habitable rooms with windows adjacent ❑ to main common/open space areas, e.g. playgrounds, swimming pools, etc., and public on -site open space. ■ El Design and locate dumpster enclosures in a manner which screens refuse containers but avoids providing opportunities to hide. Locate waiting areas and external entries to elevators/stairwells ❑ close to areas of active uses to make them visible from the building entry. e ❑ Locate seating in areas of active uses. e Other strategy used: n 1.4 Entrances Provide entries that are clearly visible. Revise ❑NA Comments: ® Design entrances to allow users to see into them before entering. ■ Entrances should be clearly identified (Signs must conform to ❑ FWRC 19.140.060. Exempt Signs. (Applicable during Certificate of occupancy lnspectio?r . Other strategy used: El 1.5 icing ce design should maximize natural surveillance rom the ❑_Revise street to the building an om the ur tng o t e street, and _ ❑NA res or Mo ers to hide. Comments: Bulletin #022 — JanuaryY,2011ll N ' k of 9 k:\Handouts\CPTED Checklist Section and ✓ Functional Area Performance Performance Standard Standard Strategy ■ Applicable during Site Plan Review e Applicable during Building Permit Review ❑ Front fences should be predominantly open in design, e.g. pickets or wrought iron, or low in height. e Design high solid front fences in a manner that incorporates ❑ open elements to allow visibility above the height of five feet. e If noise insulation is required, install double -glazing at the ❑ front of the building rather than solid fences higher than five feet. e Evaluation for Agency Use Only Other strategy used: 1.6 Landscaping _ ❑Cor Avoid landscaping which obstructs natural surveillance and _. ❑Revise allows intruders to hide. _ ❑NA Comments: ® Trees with dense low growth foliage should be spaced or their crown should be raised to avoid a continuous barrier. ■ Use low groundcover, shrubs a minimum of 24 inches in El height, or high -canopied trees (clean trimmed to a height of eight feet) around children's play areas, parking areas, and along pedestrian pathways. ■ 0 Avoid vegetation that conceals the building entrance from the street. ■ Other strategy used: 1.7 Exterior Lighting CC' o[ 1 Provide exterior lighting that enhances natural surveillance. ❑Revise (Refer to F)VRC 19.115.050(7)(a) for specific lighting _ ❑NA requirements.) Comments: Prepare a lighting plan in accordance with Illuminating Engineering Society of America (IESA) Standards, which x❑ addresses project lighting in a comprehensive manner. Select a lighting approach that is consistent with local conditions and crime problems. ■ Bulletin #022 — January 1, 2011 Page 4 of 9 k:\flandouts\CPTED Checklist Section and ✓ Functional Area Performance Performance Standard Standard Strategy ■ Applicable during Site Plan Review 6 Applicable during Building Permit Review Locate elevated light fixtures (poles, light standards, etc.) in a ❑ coordinated manner that provides the desired coverage. The useful ground coverage of an elevated light fixture is roughly twice its height. ■ For areas intended to be used at night, ensure that lighting ❑ supports visibility. Where lighting is placed at a lower height to support visibility for pedestrians, ensure that it is vandal - resistant. e Ensure inset or modulated spaces on a building facade, access/egress routes, and signage is well lit. e ❑ In areas used by pedestrians, ensure that lighting shines on pedestrian pathways and possible entrapment spaces. e Place lighting to take into account vegetation, in its current and ❑ mature form, as well as any other element that may have the potential for blocking light. e Avoid lighting of areas not intended for nighttime use to avoid ❑ giving a false impression of use or safety. If danger spots are usually vacant at night, avoid lighting them and close them off to pedestrians. e ❑ Select and light "safe routes" so that these become the focus of legitimate pedestrian activity after dark. ■ ❑ Avoid climbing opportunities by locating light standards and electrical equipment away from walls or low buildings. e ❑ Use photoelectric rather than time switches for exterior lighting. e In projects that will be used primarily by older people (retirement homes, congregate care facilities, senior and/ or ❑ community centers, etc.) provide higher levels of brightness in public/common areas. e Other strategy used: _All On -site pedestrian circulation will � be lit by site and building lighting including building entries, inside storage units, and under RV canopies Evaluation for Agency Use Only 1.8 Mix of Uses _ LJUOT In mixed use buildings increase opportunities for natural ❑Revise surveillance, while protecting privacy. _ ❑NA Comments: Bulletin #022 — January 1, 2011 Page 5 of 9 k:\Handouts\CPTED Checklist 1 Section and ✓ Functional Area Evaluation for Performance Performance Standard Agency Use Only Standard Strategy ■ Applicable during Site Plan Review e Applicable during Building Permit Review Where allowed by city code, locate shops and businesses on lower floors and residences on upper floors. In this way, ❑ residents can observe the businesses after hours while the residences can be observed by the businesses during business hours. ■ ❑ Include food kiosks, restaurants, etc. within parks and parking structures. ■ Other strategy: used 1.9 Security Bars, Shutters, and Doors _ ❑Cor When used and permitted by building and fire codes, security _ ❑Revise bars, shutters, and doors should allow observation of the street _ ❑NA and be consistent with the architectural style of the building. Comments: ❑ Security bars and security doors should be visually permeable (see -through). e Other strategy used: Section and ✓ Functional Area Evaluation for Performance Performance Standard Agency Use Only Standard Strategy ■ Applicable during Site Plan Review e Applicable during Building Permit Review Section 2.0 Access Control 2.1 Building Identification utuonl Ensure buildings are clearly identified by street number to _ ❑Revise prevent unintended access and to assist persons trying to find _ ❑NA the building. Identification signs must conform to FWRC Comments: 19.140.060. Exempt Signs. ❑ Street numbers should be plainly visible and legible from the street or road fronting the property. e Bulletin #022 —January 1, 2011 Page 6 of 9 k:\Handouts\CPTED Checklist 51 Section and ✓ Functional Area Performance Performance Standard Standard Strategy ■ Applicable during Site Plan Review 6 Applicable during Building Permit Review In residential uses, each individual unit should be clearly numbered. In multiple building complexes, each building entry ❑ should clearly state the unit numbers accessed from than entry. In addition, unit numbers should be provided on each level or floor. e ❑ Street numbers should be made of durable materials, preferably reflective or luminous, and unobstructed (e.g. by foliage). e For larger projects, provide location maps (fixed plaque ❑ format) and directional signage at public entry points and along internal public routes of travel. e Evaluation for Agency Use Only Other strategy used: 2.2 Entrances _ ❑Cor Avoid confusion in locating building entrances. ❑Revise _ ❑NA Comments: Entrances should be easily recognizable through design ❑x features and directional signage. (Signs must conform to FWRC 19.140.060. Exempt Signs. ■ ❑x Minimize the number of entry points. ■ Other strategy used: 2.3 Landscaping _Conforms Use vegetation as barriers to deter unauthorized access. El —Revise _ ❑NA Comments: ❑ Consider using thorny plants as an effective barrier. e Other strategy used: _ El 2.4 Landscaping Location ❑Conf Avoid placement of vegetation that would enable access to a _ ❑Revise building or to neighboring buildings. _ ❑NA Comments. Bulletin #022 — January 1, 2011 Page 7 of 9 k:\Handouts\CPTED Checklist 1 Section and Performance Standard OM ✓ Functional Area Performance Standard Strategy ■ Applicable during Site Plan Review 6 Applicable during Building Permit Review Avoid placement of large trees, garages, utility structures, ❑x fences, and gutters next to second story windows or balconies that could provide a means of access. ■ Evaluation for Agency Use Only Other strategy used: 13 Security Reduce opportunities for unauthorized access Revise ❑NA Comments: Consider the use of security hardware and/or human measures ❑x to reduce opportunities for unauthorized access. (Applicable during Certificate of 0cqaepancy Inspect__ . 13 Other strategy used: 2.6 Signage _ ❑Cor Insure that signage is clearly visible, easy to read and simple _ ❑Revise to understand [Signs must conform to FWRC 19.140.060. _ ❑NA Exempt Signs]. Comments: ❑ Use strong colors, standard symbols, and simple graphics for informational signs. e Upon entering the parking area, provide both pedestrians and For Surface ❑ drivers with a clear understanding of the direction to stairs, Parking and elevators, and exits. e Parking Structures ❑ In multi -level parking areas, use creative signage to distinguish between floors to enable users to easily locate their cars. 6 ❑ Advise users of security measures that are in place and where to find them, i.e. security phone or intercom system. e ❑ Provide signage in the parking area advising users to lock their cars. e Bulletin #022 —January 1, 2011 Page 8 of 9 k:\Handouts\CPTED Checklist Section and ✓ Functional Area Evaluation for Performance Performance Standard Agency Use Only Standard Strategy M Applicable during Site Plan Review e Applicable during Building Permit Review ❑ Where exits are closed after hours, ensure this information is indicated at the parking area entrance. e Other strategy used: El Section 3.0 Ownership 3.1 Maintenance _ ❑Conf Create a "cared for" image _ ❑Revise _ ❑NA Comments: Ensure that landscaping is well maintained, as per FWRC ❑ 19.125.090, in order to give an impression of ownership, care, and security. (Ongoing). Where possible, design multi -unit residential uses such that no ❑ more than six to eight units share a common building entrance. ■ Other strategy used: El 3.2 Materials _ ❑Conf Use materials, which reduce the opportunity for vandalism. _ ❑Revise _ ❑NA Comments: Consider using strong, wear resistant laminate, impervious glazed ceramics, treated masonry products, stainless steel ❑x materials, anti -graffiti paints, and clear over sprays to reduce opportunities for vandalism. Avoid flat or porous finishes in areas where graffiti is likely to be a problem. e Where large walls are unavoidable, refer to FWRC 19.125.040(21) regarding the use of vegetative screens. e Common area and/or street furniture shall be made of long ❑ wearing vandal resistant materials and secured by sturdy anchor points, or removed after hours. e Other strategy used: Bulletin #022 —January 1, 2011 Page 9 of 9 k:\Handouts\CPTED Checklist MAY 0 9 2017 CITY OF FEOFAl W.AY COMMU 11'rY Di_QLoi3MEr MASTER LAND USE APPLICATION DEPARTMENT of COMMUNITY DEVELOPMENT SERVICES CITY OF 33325 8� Avenue South Federal Way, WA 98003-6325 Federal Way 253-8 www.eityoffederalway.co Fax deralway.co www. cityotfederalway.com APPL1cATIUN No(s) � 7 ` ! Q-A b -3 [ _U P I 'ZZ-7- Project Name Federal Way Premier Storage Property Address/Locadon 35200 Pacific Highway South Parcel Number(s) PLEASE PIFiPI'1' 2922049048 / 2921049053 12021049046 Type of Permit Required _ Annexation Binding Site Plan Boundary Line Adjustment _ Comp Plan/Rezone _ Land Surface Modification _ Lot Line Elimination _ Preapplication Conference _ Process I (Director's Approval) Process U (Site Plan Review) __X _ Process III (Project Approval) _ Process IV (Hearing Examiner's Decision) _ Process V (Quasi -Judicial Rezone) _ Process VI _ SEPA w/Project SEPA Only Shoreline: Variance/Conditional Use _ Short Subdivision _ Subdivision _ Variance: Commercial/Residential Required Information CE ZUnim,. Designation CE Comprehensive Plan Designation Zero Value of Existing Improvements Value of Proposed Improvements Innervational Building Code (IBC): S-1 _Occupancy Type 11-B Construction Type Applicant CPSG Self Storage Facility XII, LLC Name: Attn: Joseph Strobele Address: 15115 NE 67th PI City/State: Redmond, WA 98052 Zip: Phone: Telephone: 844.622.5556 Fax: jstrobele@CP-Investments.com Email: Signature: Agent (if different than Applicant) w Site+Plan+Mix LLC Name: Address: Attn: Stephen Bourne city/state: 11012 Sand Point Way NE Zip: Pho Seattle, WA 98125 ne. Telephone: (206) 310-7770 Fax: Email: reft�e a�comcast.net Signature: Owner Y Wing, LLC Name: Attn: Rob Rueber Address: 40 Land Bellevue city/State: Zip-- Bellevue, WA 98005 Phone: (206) 730-2259 Fax: rob. onRE amCaSt.net Email: Signature: Bulletin #003 — January 1, 2011 Page 1 of l k:UiandoutsWaster Land Use Application DEPARTMENT OF COMMUNITY DEVELOPMENT A�k 33325 8th Avenue South Federal Way WA 98003 CITY OF 253-835-7000; Fax 253-835-2609 www,cit affe�ierplwa .cam Federal Way DECLARATION OF DISTRIBUTION I, _ ] hereby declare, under penalty of perjury of the laws of the State of Washington, that a: ❑ Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) ® Notice of Land Use Application & Optional DNS/MDNS ❑ FWRC Interpretation ❑ Other ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document was ;I mailed ❑ faxed ❑ e-mailed and/or ❑ posted to or at each of the attached addresses on 6 , ;L 12017. Project Name File Number(s) 1 i ' % Qd 6 �i I Signature Date K:\CD Administration Files\Declaration of Distribution.doc/Last printed 1 /12/2017 10:33:00 AM CITY OF Federal Way NOTICE OF MASTER LAND USE APPLICATION AND OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS) Project Name: Federal Way Premier Storage Project Description: Proposed construction of 648-unit self -storage facility on approximately 5.2 acres. The proposal includes outdoor and enclosed recreational vehicle and boat storage with associated site work. Outdoor storage is included in gross floor area calculation. - Applicant/Owner: Joe Strobele, CPSG Self Storage Facility XII, LLC, 1-844-622-5556, istrobele@CP-Inyestments.com Project Location: 35200 & 35204 Pacific Hwy. S., Federal Way, WA Parcels #292104-9048, -9053 and -9046 Date of Application: May 4, 2017 Date Determined Complete: June 1, 2017 Date of Notice of Application: June 2, 2017 Public Comments Due: June 17, 2017 Vicinity Map Requested Decision and Other Permits Included with this Application: The applicant requests a Use Process III decision (File # 17-102031-00-UP) issued by the Community Development Director pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional permits and/or approvals in conjunction with the Use Process III decision include a critical area review (File #17-102535-00-AD) pursuant to FWRC 19.145.080, threshold determination pursuant to State Environmental Policy Act (SEPA) Rules WAC 197-11 (File #17-102032-00-SE), and Transportation Concurrency Review (File #17-101402-00-C1). Environmental Documents: Environmental Checklist, Geotechnical Engineering Report, Technical Information Report, Critical Areas Memo, and Hazardous Materials Inventory Checklist (6-month, 1-year and 5-year capture zones). Development Regulations to Be Used for Project Mitigation: FWRC Title 14, "Environmental Policy"; Title 16, "Surface Water Management"; and Title 19, "Zoning and Development Code." Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the Federal Way Revised Code, 2016 Ding County Surface Water Design Manual as amended by the City of Federal Way, and the Public Works Department Development Standards. Public Comment & Appeals: The official project file is available for public review at the Community Development Department (address below). This may be the only opportunity to comment on the environmental impacts of the proposal. Any person may submit written comments on the Use Process III application to the Director of Community Development by June I7, 2017. Only the applicant, persons who submit written documents to the director, or persons who specifically request a copy of the original decision may appeal the director's decision. Availability of File and Environmental Documents: The official project file and referenced environmental documents are available for public review during normal business hours at the Community Development Department, 33325 8th Avenue South, 2nd Floor, Federal Way, WA 98003. Staff Contact: Associate Planner Leila Willoughby -Oakes, 253-835-2644, leila.willoughby- oakes@cityoffederalway.com Printed in the Federal Way Mirror June 2, 2017. 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P 56 7407� --5 —77/8— 9067 9.1 9, Hylebo 9 o -7 r9i 909 3 90-30 Farnz77- 9127 9009 9036 C) 0.76 Lf. q6300020 5y Z) 900.3 I lq;� ;1,2 J 70; 1, -g , �3 90 99 5.0 U 0 0 02" ' 12 00250 T 9 5 60 1 01 8 [1 ,00 00? rz 22 75 9 0.7 7090 1,60 -u 006 90 9 0.1 21(J Ifo 5, 2J90 01 '0 2 �11(1 9 0422r1 9 02 P0632 Lr, 1 TR T 9098 9 0 .9c.; .b 0 UIJ 9088 52 9 - En Cl -J"T 9' -163 57 90 _- (Y20=9 The information Included on this map has been compiled by King County staff from a variety of sources and is subject to change without notice. King County makes no representations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information. This document is not intended for use as a survey product. King County shall not be liable for any general, special, indirect, incidental, or consequential damages including, but not limited to, lost revenues or lost profits resulting from the use or misuse of the information contained on this map. Any sale of this map or information on this map is prohibited except by written permission of King County. 9-72 rl 96 71 9069 J 0 7 1"',\ Date: 4/26/2017 J014 0 90 52 P.O z� �L J, I rjQ 4 2137-5. 1890 303 22ji7. 35 0' - 0 li3 70-1 "30 9007 9184 . 91116 & :o7 011 63 ' - - ,1 w. 02 0280 0; ftiG King County GIS CENTER ON DEPARTMENT OF COMMUNITY DEVELOPMENT 33325 8th Avenue South A�k Federal Way WA 98003 CITY OF 253-835-7000; Fax 253-835-2609 Federal a www.cit aFfederalwa .com y DECLARATION OF DISTRIBUTION " J hereby declare, under penalty of perjury of the laws of the State of Washington, that a: ❑ Notice of Land Use Application/Action ❑ Notice of Determination of Significarce (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) l�J Notice of Land Use Application & Optional DNS/MDNS ❑ FWRC Interpretation ❑ Other ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Pemit ❑ Adoption of Existing Environmental Document was ❑ mailed ❑ faxed 0 e-mailed and/or ❑ posted to or at each of the attached addresses on 1 2017. Project Name File Number(s) Signature —/D a D--"' Date e - K:\CD Administration Files\Declaration of Dishribution.doc/Lasi printed 1 /12/2017 10:33:00 AM Tamara Fix From: Jennifer Anderson <jnderson@fedwaymirror.com> Sent: Thursday, June 01, 2017 10:11 AM To: Tamara Fix Subject: Re: Legal Notice - Storage NOA Got it, thanks! Jennifer Anderson Advertising Sales Consultant Direct: 253-946-2890 Internal: 35602 Fax: 253-925-5750 31919 1 st Ave S, Ste 101, Federal Way, WA 98003 12; Sound Publishing Map Print Ratcs Online Rat Ls edia Kit Sousid 1nf'o On Thu, Jun 1, 2017 at 10:08 AM, Tamara Fix <Tamara.Fix cam[ cit offederalway.cpm> wrote: Please publish the attached legal notice (FW Premier Storage NOA & Opt DNS, 17-102031) in Friday's (June 2, 2017) issue. Please confirm and issue an affidavit of publication. Tamara Fix Administrative Assistant A Federal Way 33325 8t" Avenue South Federal Way, WA 98003-6325 Phone:153/835-2602 Fax: 253/835-2609 w-ww,cityoffederalway. com x CITY OF Federal Way NOTICE OF MASTER LAND USE APPLICATION AND OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS) Project Name: Federal Way Premier Storage Project Description: Proposed construction of 648-unit self -storage facility on approximately 5.2 acres. The proposal includes outdoor and enclosed recreational vehicle and boat storage with associated site work. Outdoor storage is included in gross floor area calculation. Applicant/Owner: Joe Strobele, CPSG Self Storage Facility XII, LLC, 1-844-622-5556, jstrobeleO.CP-Investments.com Project Location: 35200 & 35204 Pacific Hwy. S., Federal Way, WA Parcels #292104-9048, -9053 and -9046 Date of Application: May 4, 2017 Date Determined Complete: June 1, 2017 Date of Notice of Application: June 2, 2017 Public Comments Due: June 17, 2017 Requested Decision and Other Permits Included with this Application: The applicant requests a Use Process III decision (File #17-102031-00-UP) issued by the Community Development Director pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional permits and/or approvals in conjunction with the Use Process III decision include a critical area review (File #17-102535-00-AD) pursuant to FWRC 19.145.080, threshold determination pursuant to State Environmental Policy Act (SEPA) Rules WAC 197-11 (File #17-102032-00-SE), and Transportation Concurrency Review (File #17-101402-00-CN). Environmental Documents: Environmental Checklist, Geotechnical Engineering Report, Technical Information Report, Critical Areas Memo, and Hazardous Materials Inventory Checklist (6-month, 1-year and 5-year capture zones). Development Regulations to Be Used for Project Mitigation: FWRC Title 14, "Environmental Policy"; Title 16, "Surface Water Management"; and Title 19, "Zoning and Development Code." Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the Federal Way Revised Code, 2016 King County Surface Water Design Manual as amended by the City of Federal Way, and the Public Works Department Development Standards. Public Comment & Appeals: The official project file is available for public review at the Community Development Department (address below). This may be the only opportunity to comment on the environmental impacts of the proposal. Any person may submit written comments on the Use Process III application to the Director of Community Development by June 17, 2017. Only the applicant, persons who submit written documents to the director, or persons who specifically request a copy of the original decision may appeal the director's decision. Availability of File and Environmental Documents: The official project file and referenced environmental documents are available for public review during normal business hours at the Community Development Department, 33325 8`h Avenue South, Yd FIoor, Federal Way, WA 98003. Staff Contact: Associate Planner Leila Willoughby -Oakes, 253-835-2644, leila.willoughby- oakes@cityoffederalway.com Printed in the Federal Way Mirror June 2, 2017. SITE PLAN MIX LLC Self Storage Development far the Global Community 11012 Sand Paint Way, Seattle, WA 98125 p. (206) 310-7770 f. (866) 600-5971 February 22, 2018 City of Federal Way Community Development Department 33325 8th Avenue South Federal Way, WA 98003-6325 RE: Use Process III - Comment Response Letter Dear Director; RESUBM117ED FEB 2 3 2018 Cry OF FEDERAL WAY COMM1 Ki-i Y pEVE>~,pPMEYiT This letter will provide written responses to the Technical Review Comments letter provided by the City of Federal Way on September 28, 2017. All changes to the drawings have been clouded and tagged. Project Summary EXISTING SITE: ADDRESS: 35200 PACIFIC HIGHWAY, FEDERAL WAY, WA PARCEL NUMBER: 292104-9048 / 292104-9053 / 292104-9046 ZONING DISTRICT: CE (COMMERICAL ENTERPRISEO SITE AREA: 5.19 acres (226,115 SF) DESCRIPTION: EXISTING SITE IS CURRENTLY VACANT; TOPOGRAPHY SLOPES UP FROM SW TO NE FOR A TOTAL GRADE CHANGE OF ABOUT 10'; THE PARCEL IS PARTIALLY WOODED WITH STREET FRONTAGE ON BOTH 352ND AND HIGHWAY 99. Responses & Descriptions (this submittal only) Ann Dower, PW Development Services Responses 1. The narrative and site plans have been updated to include water quality for the site. From available data, the regional pond was calculated to provide 4280 CF of detention volume per acre draining to it. So for the 2.99 acre parcel, the regional pond was assumed to include 12,800 CF available for this site (0.29 ac-ft). Using Conservation Flow Control, this equates to 1.3 acres of development that can be discharged to the RDF. See the revised storm report for further information. The remainder of the site runoff will infiltrate onsite. 3. Acknowledged. Runoff from all but 1.3 acres of the site will be infiltrated onsite. 4. Except for the 1.3 acres of the site that is tributary to the RDF, all site runoff will be infiltrated onsite, meeting LID requirements. Please refer to the revised storm report for further analysis and feasibility of the LID options. 5. Typically the property areas shown on assessor's maps are not accurate and/or are outdated. In 2015, right-of-way along Pacific Highway South and South 352nd was dedicated along the project frontages which could account for the differences. The 1(Page SITE PLAN MIX LLC } - Self Storage Development for the Global Community 11012 Sand Point Way, Seattle, WA 98125 p. (206) 310-7770 f. (866) 600-5971 224,855 SF area was calculated by an ALTA survey prepared by ESM Consulting Engineers and therefore that is what is being used as the site area. 6. The parking stall and drive aisle dimensions are shown on the architectural site plan (Sheet A-1). 7. The driveway widths are shown on the preliminary civil plan (Sheet 4). Saradaz Long PW Traffic Division Res onses 8. The Vehicle Turning Diagram is provided with this submittal. Design Narrative - Changes to Pro'ecf In this submittal package there are some revisions that have been done at the request of the developer, Mr. Strobele. They are as follows: A. We have added a curb back to the street frontage along 352nd, but we have placed it directly across from the existing driveway on the north side of 352nd. This will allow site access for vehicle that may be traveling southbound on Pacific Highway. B. The upper portion of Building A has been removed, without changing the use of that area. It will still be RV Storage, but it will be "Uncovered" rather than "Enclosed". C. The serpentine masonry screen wall along 352nd has been extended all the way around the corner and south to the north side of the Utility Easement. These changes and all changes to the drawings represented by the comments above have been clouded on the drawings. Sincerely, Stephen Bouqer Architect 2 1 P a g e ,WA - RICHARD WARD ASSOCIATES • LANDSCAPE ARCHITECTS November 14, 2017 Leila Willoughby -Oakes Associate Planner 33325 8t' Avenue South Federal Way, Wa. 98003 RE: File #17-102031-00-UP/17 Landscape Modification Request Dear Ms. W.Oakes: It is our belief that the Landscape Modification Request meets the intent of the City of Federal Way Landscape Code, chapter 19.125 and the intent of the CPTED Checklist. There are a few deviations from the code requirements for the street frontage landscape requirements. These deviations are to meet the intent of the CPTE❑ and the landscape code which seem to be in conflict. We believe that the requested modification meets the intent of Chapter 19.125.100 Modification Options sub -section 2-6. We also believe that the modification request will enhance the recent improvements to 352nd Street and the future improvements to Pacific Highway South. We ask that the Landscape Modification request be granted. If there are any questions, please contact this office. Bes egards, Richard Ward ~ Landscape Architect 2100-112TH Avenue NE, Ste. 100 • Bellevue, WA - 98004 . 206.3 SITE PLAN MIX LLC Self Storage Development for the Global Community 11012 Sand Point Way, Seattle, WA 98125 p. (206) 310-7770 f. (866) 600-5971 November 14, 2017 City of Federal Way Community Development Department 33325 8th Avenue South Federal Way, WA 98003-6325 RE: Use Process III - Comment Response Letter Dear Director; RESUBMITTED NOV 14 2017 CITY OF FEDERAL. WAY COMMUNITY DEVELOPMENT This letter will provide written responses to the Technical Review Comments letter provided by the City of Federal Way on September 21, 2017. All changes to the drawings have been clouded and tagged. Proiect Summary EXISTING SITE: ADDRESS: 35200 PACIFIC HIGHWAY, FEDERAL WAY, WA PARCEL NUMBER: 292104-9048 / 292104-9053 / 292104-9046 ZONING DISTRICT: CE (COMMERICAL ENTERPRISEO SITE AREA: 5.19 acres (226,115 SF) DESCRIPTION: EXISTING SITE IS CURRENTLY VACANT; TOPOGRAPHY SLOPES UP FROM SW TO NE FOR A TOTAL GRADE CHANGE OF ABOUT 10'; THE PARCEL IS PARTIALLY WOODED WITH STREET FRONTAGE ON BOTH 352ND AND HIGHWAY 99. PROPOSED IMPROVEMENTS: USE: MINI -STORAGE WAREHOUSE NO. OF BLDGS: 2 BLDG AREA: 86,244 GSF BLDG HEIGHT: 227 2-STORY CONSTR. TYPE: II-B TOTAL UNITS: 648 FIRE: FULLY SPRINKLED OCCUPANCY: S-1 (PRIMARY USE) B (ACCESSORY USE) Responses & Descriptions SFPAIUse Process III 1. Per the meeting with the Planning and Police departments we have made the following changes to the design: a. All existing chain link fencing around the perimeter of this property will be removed and replaced with 8' high "wrought iron" aluminum fencing. b. With cooperation from the adjacent property owners, the new fencing will be tied directly into the existing perimeter fencing on their property to form a continuous secure perimeter for all contiguous properties. 11Page SITE PLAN MIX LLC Self Storage Development for the Global Community 11012 Sand Point Way, Seattle, WA 98125 p. (206) 310-7770 f. (866) 600-5971 2. See # 1 above. 3. Dimensions have added to all parking spaces for the outdoor storage. 4. Directional markings and Loading Zone striping has been added to the drive aisles. 5. A Full Color rendering of the project has been included in this package. 6. Cross section for and elevations for the CMU screen wall are provided on sheet A-3 in the original submittal. 7. The proposed retaining walls are shown 3 feet or more from the base to allow a landscape area between the wall and property line. No terraced walls are being proposed. The wall type will determined during final design but will be a rockery or retaining wall that reflects the building design and materials. 8. A Photometric Lighting Plan was submitted with the original submittal. All exterior lighting fixtures will be cut-off or shielded fixtures. 9. The fagade modulation for all buildings visible from a public way is shown on the original submittal. 10. The fagade modulation for all buildings visible from a public way is shown on the original submittal. 11. Refer to sheet 1-1.1 Tree Unit Calculation, required tree units 104... provided tree units 308. 12. A note on the clear and grade plans has been added to install tree protection fencing before construction begins. Refer to sheet L1.1 delta # 1 Proposed lawn area = 36% of total landscaped area. 13. See attached request for modification. 14. Plant maintenance, irrigation maintenance, other maintenance notes shall be added to final landscape plans (permit application). 15. All building facades comply per meeting on 10/4. 17. Slopes have been designed to be 3:1 or flatter in all areas. .0 18. This comment will be addressed after the SEPA process has been completed as per meeting on 10/4. 2 1 P a g e SITE PLAN --- MIX I LLC SeH Storage Development for the Global Community 11012 Sand Point Way, Seattle, WA 98125 p. (206) 310-7770 f. (866) 600-5971 19. The BLA/LLE will be submitted under separate cover. Public Works Responses All Public Works comments will be addressed after the SEPA process has been completed as per meeting on 10/4. Traffic Remonscs Acknowledged. 2. Acknowledged. 3. Please see proposed driveway modification included with this submittal to address the spacing from the proposed driveway to the south. 4. Please see proposed driveway modification included with this submittal to address the spacing from the proposed driveway to the south. 5. Please see proposed driveway modification included with this submittal to address the spacing from the proposed driveway to the south. 6. The Site Plan has been updated to show all driveways within 250' of the proposed driveways. 7. The driveway providing access to 352nd Street has been removed. 8. The Vehicle Turning Diagram will be provided after the SEPA process is complete. Federal Way Police General Response: Per the meeting on 10/4, we have upgraded all fencing, changed the landscaping to meet CPTED standards and designed the fencing to tie into all adjacent property fencing. Please let us know if you have any further questions. Stephen I Architect 3 1 P a g e ,WA a RICHARD WARD ASSOCIATES � LANDSCAPE ARCHITECTS December 27, 2017 Leila Willoughby -Oakes Associate Planner 33325 8t" Avenue South Federal Way, Wa. 98003 RE: File #17-102031-00-UP/17 Landscape Modification Request Dear Ms. W.Oakes: RESUBMITTED JAN 0 5 201E OttY Cr FEDI wAY COMMU TY ❑I ELoPl�lErrr This is a formal request for a Landscape Modification for the Federal Way Premiere Storage project at the southeast corner of Pacific Highway South and South 352"d Street. The request is to modify City Code Chapter 19.125.040 General Landscape Requirements and Chapter 19.125.050(3) Type III Visual Buffer. The City Code 19.125.040 requirements include 28 subsections. See below for written compliance or modification. Chapter 19.125.040 General Landscaping Requirements —All Zones: 1. Comply 2. Comply 3. Comply 4. Comply 5. Modification Request 6. Comply 7. Exceed Min. Requirement (L1.1) 8. Meet or Exceed Requirement (L1.1) 9. Comply 10. Comply 11. Comply 12. Comply 13. Will Comply (building permit application) 14. Comply 15. Will Comply (building permit application) —16-1-00rnply 2100-112TH Avenue NE, Ste. 100 a Bellevue, WA - 98004 s 206.387.6223 �WA * RICHARD WARD ASSOCIATES ® LANDSCAPE ARCHITECTS December 27, 2017 Federal Way Premiere Storage Landscape Modification Request Page 2. 17. N/A. Street trees installed or scheduled for future under separate contract. 18. Comply 19. Comply 20. Comply 21. Will Comply (building permit application). 22. Comply 23. Comply 24. N/A. No loading areas. 25. Comply 26. Will Comply (building permit application) 27. N/A. No shared parking. 28. N/A City Code Chapter 19.125.050(3) Type III —Visual Buffer contains two subsections, see below for compliance or modification. (a) Purpose: Comply (b) Description: Modification Requested (Chapter 19.125.100 Modification Options) Chapter 19.1125.100(2) states: Modifications to the landscape standards may be granted by the director of community development if: (a)The purpose of the modification represents a superior result than that which could be achieved by strictly following the requirements of this title. Response: The modified landscape plans offer a superior result in that the modified design enhances the boulevard design approach installed on South 352"d Street and the future boulevard style of design for Pacific Highway South. The modified design articulates and accentuates the proposed serpentine CMU walls. The modified design exceeds the standard for deciduous trees and meets or exceeds the standards for evergreen trees. The modified design creates large, dense, continuous drifts of medium sized evergreen shrubs and ground covers in lieu of interspersed groups of shrubs and ground covers. The modified design includes a plant palette of varied color, variety, ;extt;reT-and-diversity--w#il"till keeping--a--eentra{, eentraHed--p#a-nting--tl . 2100-112TH Avenue NE, Ste. 100 m Bellevue, WA - 98004 • 206.387.6223 WA * RICHARD WARD ASSOCIATES s LANDSCAPE ARCHITECTS December 27, 2017 Federal Way Premiere Storage Landscape Modification Request Page 3. (b)The proposed modification complies with stated purpose of this title and any applicable subsections of this title. Response: In conjunction with the serpentine CMU walls, the modified design meets the "purpose" of this title by providing partial visual separation of uses from streets and main arterials and between compatible uses so as to soften the appearance of parking areas and building elevations. The modified design also meets the purpose of the City of Federal Way CPTED Checklist Section 1.6 Landscaping by specifying trees that do not have dense low foliage, Section 2.3 Landscaping by specifying plant material that discourages "camping" and allows visual observation of the property, and section 2.4 Landscaping Location by specifying plant material that discourages climbing opportunities adjacent to the CMU walls and by locating trees far enough from the CMU walls to discourage climbing opportunities. (c)lf the purposed modification will not violate any city of Federal Way Revised Codes or ordinances. In particular, a modification shall not be a substitute for any zoning variance. Response: No zoning variance is requested (d)Where applicable, the proposed modification would result in an increased retention of significant trees and/or naturally occurring vegetation on the site. Response: The site has been cleared of all trees and naturally occurring vegetation. The modified design request will remove all invasive / non-native plants including: holly, blackberry, scotch broom, ragweed, reed canary grass... (e)The proposed modification also satisfies the criteria listed in subsection (2), (3), (4), (5), or (6) of this section. 2100-112TH Avenue NE, Ste. 100 , Bellevue, WA - 98004 a 206.387.6223 ro WA . RICHARD WARD ASSOCIATES , LANDSCAPE ARCHITECTS December 27, 2017 Federal Way Premiere Storage Landscape Modification Request Page 4. Response: (2)...The modified design uses creative landscape design techniques utilizing drought -tolerant species to reduce the impact on water resources. (3)... The modified design responds to state level mandates for water conservation by grouping plants in hydro zones, low impact irrigation design methods (permit application) to conserve water, and by specifying more trees that required to improve air quality. (4)... The modified design reflects current city planning goals by enhancing the boulevard design approach of PAC south and South 352"d Street, and reflect ecological awareness by utilizing native plant material, drought -tolerant plant material and by low impact irrigation design to conserve water. (5)... The modified design provides a more than appropriate amount and quality of landscaping by specifying 308 trees (59 / acre) than the required min. of 104 trees (20 / acre) and by achieving a quality of landscape the surpasses the quality of surrounding properties. We believe that the Landscape Modification Request should be approved because the proposed modified design meets or exceeds the design intent of the code by providing sound design principals, ecological design principals, exceeds the quality of the surrounding developed sites, responds to and meets the modification request criteria, and will enhance the livability of Federal Way. Submitted, f , Richard Ward, ASLA Landscape Architect Wa. License #297 2100-112TH Avenue NE, Ste. 100 • Bellevue, WA - 98004 n 206.387.6223 DEPARTMENT OF COMMUNITY DEVELOPMENT A�k 33325 8th Avenue South Federal Way WA 98003 CITY OF 253-835-7000; Fax 253-835-2609 Federal Way www.citoffederalwa .com DECLARATION OF DISTRIBUTION 1, hereby declare, under penalty of perjury of the laws of the State of Washington, that a: ❑ Notice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) Notice of Land Use Application & Optional DNS/MDNS ❑ FWRC Interpretation ❑ Other was Kmailed ❑ faxed tv I "slt 2017. Project Name ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Pemit ❑ Adoption of Existing Environmental Document V,e-mailed and/or ❑ posted to or at each of the attached addresses on File Number(s) _ 1-7 — 10 R> 3 I Signature _Date K:\CD Administration Files\Declaration of Distribution:doc/Lasl printed 1 /12/2017 10:33:00 AM SEPA CHECKLIST TO THE FOLLOWING AGENCIES: FEDERAL WAY PREMIER STORAGE (352"d & Pacfic Hwy. South (17- 102032-00-SE) JOHN MULKEY PAC HWY PHASE V Project Manager CITY OF FEDERAL WAY STREETS DIVISION John. Mulke cit offederalwa .cam DEPT OF ECOLOGY SEPA UNIT PO BOX 47703 OLYMPIA WA 98504-7703 separegister@ecy.wa.gov DEPT OF ARCHAEOLOGY & HISTORIC PRESERVATION PO BOX 48343 OLYMPIA WA 98504-8343 gretchen.kaehler cc.dahg.wa.gov GARY KRIEDT KING COUNTY TRANSIT DIV ENV PLANNING MS KSC-TR-0431 201 S JACKSON ST SEATTLE WA 98104-3856 gary.kriedt _kingcounty_gov ATTN SEPA REVIEW PUGET SOUND CLEAN AIR AGENCY 1904 3RD AVE STE 105 SEATTLE WA 98101-3317 sepaamscleanair.org BRANDON REYNON PUYALLUP TRIBE OF INDIANS HISTORIC PRESERVATION DEPT 3009 E PORTLAND AVE TACOMA WA 98404 brandon.reynon@puyalluptribe.com WA ST DEPT TRANSPORTATION PO BOX 47300 OLYMPIA WA 98504-7300 hhc customerservice(a)wsdot.wa.aov PUGET SOUND DEPT OF SOCIAL & HEALTH SVC: PARTNERSHIP LANDS AND BUILDING DIVISION 210 11 T" AVE SW STE 401 PO BOX 45848 OLYMPIA WA 98504-0900 OLYMPIA, WA 98504 info s .wa. av hubenb' dshs.wa. ov REVIEW TEAM WA DEPT OF COMMERCE GROWTH MGT SERVICES PO BOX 42525 OLYMPIA WA 98504-2525 reviewteam commerce.wa.gov JAMEY TAYLOR DNR SEPA CENTER PO BOX 47015 OLYMPIA WA 98504-7015 sepacenter@d n r. wa . gov PSRC GROWTH MANAGEMENT DEPT 1011 WESTERN AVE #500 SEATTLE WA 98104-1040 eharris src.or LAURA MURPHY TRIBAL ARCHAEOLOGIST MUCKLESHOOT INDIAN TRIBE 39015 172ND AVE SE AUBURN WA 98092 la u ra. m u ro hve-mu ckleshoot. ns n.us KELLY COOPER DEPT OF HEALTH ENVIRON HEALTH DIV PO BOX 47820 OLYMPIA WA 98504-7820 ke I Iy. c000erCcr�.d❑ h. wa.9 BRIAN ASBURY LAKEHAVEN UTILITY DIST PO BOX 4249 FEDERAL WAY WA 98063 basburvoZOakehaven.org Dale Myers NWRO Toxics Cleanup Program, W Department of Ecology 3190 160th Ave SE, Bellevue WA 98008 damv461 ecy.wa. ov SOLID WASTE DIV KING CO DEPT OF NATURAL REIE 201 S JACKSON ST STE 701 SEATTLE WA 98104-3855 'r KRISTI KYLE PSE REGIONAL STRUCTURE PO BOX 97034 BELLEVUE WA 98009-9734 PERRY WEINBERG SOUND TRANSIT 401 S JACKSON ST SEATTLE WA 98104-2826 perry.we i nberg (c)so u nd transit. orq KC DEPT OF ASSESSMENTS TONNA BARUSO 500 4T" AVE RM 700 ECON DEV COUNCIL OF CENTURY LINK COMMUNICATIOP #ADM-AS-0708 SEATTLE & KING COUNTY 2510 84T" ST S STE 18 SEATTLE WA 98104 6 AVE STE 1500 LAKEWOOD WA 98499-9034 i nfo[cedc-se assessor. info(d>kingcounty.goy SEATTLE Wa k i ne. or98101 ton na.harusoOcenturylink. corn g KING CO TRANSPORTATION SOUTH KING COUNTY LAND US SVC KCDDES 201 S JACKSON ST KSC-TR- REGIONAL WATER ASSOCIATION 35030 SE DOUGLAS ST, #210 0815 27224 144TH AVE SE SNOQUALMIE, WA 98065 SEATTLE WA 98104 KENT WA 98042 harold.tanLquchigkingcounty.aov customerserviceawd111.com ri JERRY STEELE COMCAST CABLE COMM 4020 AUBURN WAY N AUBURN WA 98002-1315 MUCKLESHOOT INDIAN TRIBE FISHERIES DIVISION ENVIRONMENTAL REVIEWER 39015 172ND AVE SE AUBURN WA 98092 ka ren.wa Ite r(a-), m uckles hoot. ns n DAVID KORTHALS, SD PLANNER LARRY FISHER METRO TRANSIT DEPT. OF FISHERIES & 201 S JACKSON ST KSC-TR-0324 WILDLIFE SEATTLE WA 98104-3856 1775 12 AVE NEW STE 201 plansreviewgkinqcountV.gov ISSAQUAH WA 98027 Larry. Flsher(u)dfw. wa.g ov HOLLY WILLIAMSON OLYMPIC PIPELINE CO 2319 LIND AVE SW RENTON WA 98055 i DENNIS LEWARCH THP OFFICE SUQUAMISH TRIBE 18490 SUQUAMISH WAY SUQUAMISH WA 98392 dlewarch(cD.suguamish.nsn.us tt va s l et�7afp i e rc etra n s It. o r4 PIERCE TRANSIT Tamara Fix To: John Mulkey; separegister@ecy.wa.gov; 'gretchen.kaehler@dahp.wa.gov'; 'gary.kriedt@kingcounty.gov'; sepa@pscleanair.org; brandon.reynon@puyalluptribe.com; hgcustomerservice@wsdot.wa.gov; 'info@psp.wa.gov'; reviewteam@commerce.wa.gov; sepacenter@dnr.wa.gov; eharris@psrc.org; laura.murphy@muckleshoot.nsn.us; kelly.cooper@doh.wa.gov; hubenbj@dshs.wa.gov; basbury@lakehaven.org; damy461@ecy.wa.gov; 'kevin.kiernan@kingcounty.gov'; kristina.kyle@pse.com; perry.weinberg@soundtransit.org; assessor.info@kingcounty.gov; plansreview@kingcounty.gov; 'holly.williamson@bp.com'; 'info@edc-seaking.org'; harold.taniguchi@kingcounty.gov; karen.walter@muckleshoot.nsn.us; Fisher, Larry D (DFW); dlewarch@suquamish.nsn.us; tonna.baruso@centurylink.com; 'customerservice@wdlll.com'; tvaslet@piercetransit.org Subject: Federal Way Premier Storage Attachments: 20170605141840.pdf Attached is an NOA & Opt DNS, along with an annotated SEPA checklist for the above -mentioned project. Please contact the Associate Planner, Leila Willoughby -Oakes, for any questions or comments. Tamara Fix Administrative Assistant A FAeral Way 33325 8th Avenue South Federal Way, WA 98003-6325 Phone:253/835-2602 Fax: 253/835-2609 www.cityoffederalway.com Tamara Fix From: Tamara Fix Sent: Monday, June 05, 2017 2:30 PM To: 'kate.blyth@kingcounty.gov' Subject: FW: Federal Way Premier Storage Attachments: 20170605141840.pdf From: Tamara Fix Sent: Monday, June 05, 2017 2:28 PM To: John Mulkey; 'separegister@ecy.wa.gov'; 'gretchen.kaehler@dahp.wa.gov'; 'gary.kriedt@kingcounty.gov'; 'sepa@pscleanair.org';'bra ndon.reynon@puyalluptribe.com'; hgcustomerservice(awsdot.wa.gav; 'info@psp.wa.gov'; 'reviewteam@commerce.wa.gov'; 'sepacenter@dnr.wa.gov'; eharns smor ;'laura.murphy@muckleshoot.nsn.us'; kellv.cooperpdoh.wa.gov; hubenbi@dshs.wa.gov; 'basbury@lakehaven.org'; dam 461 a .wa, ov; 'kevin.kiernan@kingcounty.gov'; 'kristina.kyle@pse.com'; 'perry.weinberg@soundtransit.org'; assessor. info kin coun ov; lansreview kin coup ov; 'holly.williamson@bp.com'; 'info@edc-seaking.org'; harold.tani uchi kin coun ov; karen.walter muckleshoot.nsn.us; 'Fisher, Larry D (DFW)'; dlewarch suquamish.nsn.us; 'tonna.baruso@centurylink.com'; 'customerservice@wd111.com'; 'tvaslet@piercetransit.org' Subject: Federal Way Premier Storage Attached is an NOA & Opt DNS, along with an annotated SEPA checklist for the above -mentioned project. Please contact the Associate Planner, Leila Willoughby -Oakes, for any questions or comments. Tamara Fix Administrative Assistant Federal Way 33325 8th Avenue South Federal Way, WA 98003-6325 Phone:253/835-2602 Fax: 253/835-2609 www.cit of€ederalway.com CITY OF Federal Way NOTICE OF MASTER LAND USE APPLICATION AND OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS) Project Name: Federal Way Premier Storage Project Description: Proposed construction of 648-unit self -storage facility on approximately 5.2 acres. The proposal includes outdoor and enclosed recreational vehicle and boat storage with associated site work. Outdoor storage is included in gross floor area calculation. - Applicant/Owner: Joe Strobele, CPSG Self Storage Facility XII, LLC, 1-844-622-5556, jstrobele(&CP-Investments.com Project Location: 35200 & 35204 Pacific Hwy. S., Federal Way, WA Parcels #292104-9048, -9053 and -9046 Date of Application: May 4, 2017 Date Determined Complete: June 1, 2017 Date of Notice of Application: June 2, 2017 Public Comments Due: June 17, 2017 Vicinity Map Requested Decision and Other Permits Included with this Application: The applicant requests a Use Process III decision (File # 17-10203 1 -00-UP) issued by the Community Development Director pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional permits and/or approvals in conjunction with the Use Process III decision include a critical area review (File #17-102535-00-AD) pursuant to FWRC 19.145.080, threshold determination pursuant to State Environmental Policy Act (SEPA) Rules WAC 197-11 (File #17-102032-00-SE), and Transportation Concurrency Review (File #17-101402-00-C1). Environmental Documents: Environmental Checklist, Geotechnical Engineering Report, Technical Information Report, Critical Areas Memo, and Hazardous Materials Inventory Checklist (6-month, 1-year and 5-year capture zones). Development Regulations to Be Used for Project Mitigation: FWRC Title 14, `Environmental Policy"; Title 16, "Surface Water Management"; and Title 19, "Zoning and Development Code." Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the Federal Way Revised Code, 2016 King County Surface Water Design Manual as amended by the City of Federal Way, and the Public Works Department Development Standards. Public Comment & Appeals: The official project file is available for public review at the Community Development Department (address below). This may be the only opportunity to comment on the environmental impacts of the proposal. Any person may submit written comments on the Use Process III application to the Director of Community Development by June 17, 2017. Only the applicant, persons who submit written documents to the director, or persons who specifically request a copy of the original decision may appeal the director's decision. Availability of File and Environmental Documents: The official project file and referenced environmental documents are available for public review during normal business hours at the Community Development Department, 33325 8' Avenue South, 2°d Floor, Federal Way, WA 98003. Staff Contact: Associate Planner Leila Willoughby -Oakes, 253-835-2644, leila.willoughby- oakes@cityoffederalway.com Printed in the Federal Way Mirror June 2, 2017. Ct✓' `a-�e d Cheo✓ tr54- Department of Community Development 33325 8* Avenue South CITY OF `� f Federal Way, WA 98003-6325 Federal 'IJ1lay RECEIVED E® 253-835-2607; Fax 253-835-2609 wmv.citvoirederahva .cam MAY 0 9 2017 Clt cnt P_akr04 L-43 SEPA ENVIRONMENTAL CHECKL�IS','0PM'4/' ceu Purpose of Checklist Governmental agencies use this checklist to help determine whether the environmental impacts of your proposal are significant. This information is also helpful to determine if available avoidance, minimization or compensatory mitigation measures will address the probable significant impacts or if an environmental impact statement will be prepared to further analyze the proposal. Instructions for Applicants This environmental checklist asks you to describe some basic information about your proposal. Please answer each question accurately and carefully, to the best of your knowledge. You may need to consult with an agency specialist or private consultant for some questions. You may use "not applicable " or "does not apply" only when you can explain why it does not apply and not when the answer is unknown. You may also attach or incorporate by reference additional studies reports. Complete and accurate answers to these questions often avoid delays with the SEPA process as well as later in the decision -making process. 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. Instructions for Lead Agencies Please adjust the format of this template as needed. Additional information may be necessary to evaluate the existing environment, all interrelated aspects of the proposal and an analysis of adverse impacts. The checklist is considered the first but not necessarily the only source of information needed to make an adequate threshold determination. Once a threshold determination is made, the lead agency is responsible for the completeness and accuracy of the checklist and other supporting documents. Use of Checklist for Nonproject Proposals For nonproject proposals (such as ordinances, regulations, plans and programs), complete the applicable parts of sections A and B plus the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part D). Please completely answer all questions that apply and note that the words "project," "applicant," and "property or site" should be read as "proposal," "proponent," and "affected geographic area," respectively. The lead agency may exclude (for non -projects) questions in Part B - Environmental Elements —that do not contribute meaningfully to the analysis of the proposal. Bulletin #050 — October 17, 2016 Page 1 of 15 k:\Handouts\Environmental Checklist G CITY OF Federal Wa�� A. BACKGROUND 1. Name of proposed project, if applicable: Department of Community Development 33325 8`h Avenue South Federal Way, WA 98003-6325 253-835-2607;Fax 253-835-2609 w w%v. c1 tvofted cra lway. coin Federal Way P rem,' er- S4-c,, c, e 2. Name of applicant: Joseph Strobele 1 Gt3 Y o-t Peal�sS 4orae Grow io 3. Address and phone number of applicant and contact person: 15115 NE 67th Place, Redmond, WA 98052 4. Date checklist prepared: March 7, 2017 5. Agency requesting checklist: City of Federal Way, WA 6. Proposed timing or schedule (including phasing, if applicable): Construction projected to start July 2017 'i �� a �` Ss-arn� *-J Pot— comp2XAW MEA ew ovl mtf `7, a a �- 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 Soils Report; Critical Areas Memo Na3"u d ma eri,a. InLAA{1S4--C40VCk49 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. No 10. List any government approvals or permits that will be needed for your proposal, if known. \ Land Use Permit; Building Permit; Right -of -Way Permit • c,,� cAZoeaP�'- -rWe`)' i Bulletin #050 — October 17, 2016 Page 2 of 15 Uflandouts\Enviromnental Checklist Department of Community Development 33325 81h Avenue South CITY of Federal Way, WA 98003-6325 Federal W; v 253-835-2607; Fax 253-835-2609 ww,v.citvoffedera1Kay.c m 11. Give 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. (Lead agencies may modify this form to include additional specific information on project description.) An approximately 5 acre site with a one- and two-story mini -storage project; The Project is anticipated to consist of a minimum of 79,000 square feet of gross storage and 115 RV/Boat parking spaces with associated parking. 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. 35200 Pacific Highway S, Federal Way, WA B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site: (circle one): Flat, rolling, hilly, steep slopes, mountainous, other b. What is the steepest slope on the site (approximate percent slope)? <5% c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any agricultural land of long-term commercial significance and whether the proposal results in removing any of these soils. The site soils are a mixture of Everett-Alderwood gravelly sandy loam, Kitsap silt loam and urban land. No agricultural land is present. . d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. No e. Describe the purpose, type, total area, and approximate quantities and total affected area of any filling, excavation, and grading proposed. Indicate source of fill. Approximately 12,000 Cy of Cut and Fill grading on -site, and approximately 1,000 CY of export will be required for the project. The source of fill is unknown but will be clean fill from an approved source. + Ctppl, CaAf-16 PMAdP,4+n innPar--fie JitlSarrc f. Could erosion occur as a result of clearing, construction, or use? If so generally describe. f �r a os� [�iA ems l- t.� } Yes. Erosion could occur as a res It o the Ian clearing and gradi activities a associated with this project. Exposed soils can be transported by wind or water, C causing erosion. I Bulletin #050 — October 17, 2016 Page 3 of 15 k:\Handouts\Environmental Checklist Depai anent of Community Development tirr of 33325 a Avenue South Federal Way Federal Way, Fax 98835-6325 2609 253-835-2607; Fax 253-835-2609 ww,.v. eitvofted eralway. cam g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? 80% h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: A temporary erosion and sediment control plan will be developed in compliance with City of Federal Way standards. Temporary mitigation measures may include a stabilized construction entrance, application of gravel or riprap, silt fencing, dust control, temporary seeding and sedimentation ponds to control sediment transport and runoff. This project will also require and comply with an NPDES Construction General Permit. 2. Air a. What types of emissions to the air would result from the proposal during construction, operation, and maintenance when the project is completed? If any, generally describe and give approximate quantities if known. Standard exhaust from construction equipment 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 3. Water a. Surface Water: 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, wetlands)? If yes, describe type and provide names. If appropriate, state what stream or river it flows into. No 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. No 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. No fill or dredge material would be placed in or removed from a surface water or wetland as part of this project. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. No Bulletin #050 — October 17, 2016 Page 4 of 15 k:\Handouts\Environmental Checklist M CU C r fo w- C -0 v °� ❑ !� u ra N () C V O L fo a, . � n a E; u *' aa) ate' — aj= 0-0 o -0 a-1 O a ru E o 0oa E f M m c a 0o 0� U o �v�'oo CovC �4 c❑��= CD E 0 ❑1 iJEr C y ti c- ❑-02. rnU C) ❑ a�q — —0 O cn C: > v .4, y 2 cn ro ai a C M 'B r fn O . c v v ❑ C. cn v o, °D °; 'c 4 1) Describe the source of runoff (including storm water) and method of collection and disposal, if any fu y' ' o �, a (include quantities, if known). Where will this water flow? Will this water flow into other waters? If �°❑' so, describe. = fa < 012 Ui ° = See the Preliminary Storm Report prepared by Barghausen Consulting Engineers, Inc. ` Runoff will be limited to stormwater, irrigation overspray and water from maintenance Ln activities (sidewalk cleaning, etc.). Runoff will be collected in catch basins and be conveyed to the offsite detention pond. Some roof runoff is to be infiltrated onsite. . 2) Could waste materials enter ground or surface waters? If so, generally describe. Surface water could be contaminated by runoff containing oil and gasoline from OF deral Way Department of Community Development 33325 8`i' Avenue South Federal Way, WA 98003-6325 253-835-2607;Fax 253-835-2609 %��k%.ciivoffederalway.eo_tn Does the proposal lie within a 100-year floodplain? If so, note location on the site plan. No 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 Ground Water: Will groundwater be withdrawn from a well for drinking water or other purposes? If so, give a general description of the well, proposed uses and approximate quantities withdrawn from the well. Will water be discharged to groundwater? Give general description, purpose, and approximate quantities if known. This proposal does not include any discharges of waste material into the ground. The project is to be serve by public sewer. 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 systems, the number of houses to be served (if applicable), or the number of animals or humans the system(s) are expected to serve. No Water runoff (including stormwater): parked cars in the parking lot and streets servicing the project. However, surface water runoff from the pollution generating impervious surfaces will be directed to the offsite regional pond which provides water quality treatment prior to runoff being released downstream in order to minimize surface water contamination. 3) Does the proposal alter or otherwise affect drainage patterns in the vicinity of the site? If so, describe. The development will alter drainage patterns. Once developed, runoff will be directed to catch basins and underground pipes instead of sheet flowing to the south. The ultimate discharge to the offsite regional detention pond will remain in the develope Q / condition, matching where the existing drainage goes. 4'r 0-�n d.Proposed measures to reduce or control surface, ground, and runoff water, and drainage patte 6mt-, impacts, if any: Detention and water quality treatment are being provided for this site in the offsite regional pond. Runoff from this site will be directed there. A portion of the roof area will be infiltrated onsite to meet the flow control BMP requirements of development. Bulletin #050 — October 17, 2016 Page 5 of 15 UlIandoutsTrivironmental Checklist CITY OF Federal Allay 4. Plants a. Check the types of vegetation found on the site: deciduous tree: alder, maple, aspen, other evergreen tree: fir, cedar, pine, other Xshrubs grass pasture Department of Community Development 33325 8=h Avenue South Federal Way, WA 98003-6325 253-835-2607;Fax 253-835-2609 w rvw.c i Iva Ffedera I waF'.com crop or gram Orchards, vineyards or other permanent crops. wet soil plants: cattail, buttercup, bullrash, skunk cabbage, other water plants: water lily, eelgrass, milfoil, other other types of vegetation � 15 P::�� J b. What kind and amount of vegetation will be removed or altered? There is no real vegetation on site; just s c. List threatened and endangered species known to be on or near the site. K- . 5 C>� e 5.2.) . d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: Drought -resistant plants will be selected e. List all noxious weeds and invasive species known to be on or near the site. None 5. Animals a. List any birds and other animals which have been observed on or near the site or are known to be on or near the site. Examples include: birds: hawk, heron, eagle, songbirds, other: mammals: deer, bear, elk, beaver, other: None fish: bass, salmon, trout, herring, shellfish, other: b. List any threatened and endangered species known to be on or near the site. None Bulletin #050 — October 17, 2016 Page 6 of 15 k:\Handouts\Environmental Checklist CITY OF Federal Way c. Is the site part of a migration route? If so, explain. No d. Proposed measures to preserve or enhance wildlife, if any: None Department of Community Development 33325 8a' Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 ww% .citvotiedera1wj%:-cum e. List any invasive animal species known to be on or near the site. 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. Electric for lighting and power; gas for heat b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. we 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: LED Lighting 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. 1) Describe any known or possible contamination at the site from present or past uses. No 2) Describe existing hazardous chemicals/conditions that might affect project development and design. This includes underground hazardous liquid and gas transmission pipelines located within the project area and in the vicinity. None 3) Describe any toxic or hazardous chemicals that might be stored, used, or produced during the project's development or construction, or at any time during the operating life of the project. None Bulletin #050 — October 17, 2016 Page 7 of 15 k:\Handouts\Environmental Checklist I Depar Lment of Community Development �� TY OF � 33325 8`' Avenue South Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 ,N-ws Y.citvoffederalway.com 4) Describe special emergency services that might be required. Fire -fighting access 5) Proposed measures to reduce or control environmental health hazards, if any: None b. Noise 1) What types of noise exist in the area which 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 a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. Standard construction noise; construction hours will comply with City of Federal Ordinance 3) Proposed measures to reduce or control noise impacts, if any: None 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? Will the proposal affect current land uses on nearby or adjacent properties? If so, describe. Site is vacant; adjacent uses are commercial/light industrial b. Has the project site been used as working farmlands or working forest lands? If so, describe. How much agricultural or forest land of long-term commercial significance will be converted to other uses as a result of the proposal, if any? If resource lands have not been designated, how many acres in farmland or forest land tax status will be converted to nonfarm or nonforest use? ►e 1) Will the proposal affect or be affected by surrounding working farm or forest land normal business operations, such as oversize equipment access, the application of pesticides, tilling, and harvesting? If so, how: No Bulletin #050 — October 17, 2016 Page 8 of 15 k:\Handouts\Environmental Checklist 4%L CITY OF Federal Way c. Describe any structures on the site. None d. Will any structures be demolished? If so, what? No Department of Community Development 33325 8"' Avenue South Federal Way, WA 98003-6325 253-835-2607;Fax 253-835-2609 wrww.citvo€federliway.c In e. What is the current zoning classification of the site? Commercial Enterprise (CE) f. What is the current comprehensive plan designation of the site? Commercial Enterprise (CE) g. If applicable, what is the current shoreline master program designation of the site? NA h. Has any part of the site been classified as a critical area by the city or county? If so, specify. No r\o Ko W es - C: (A; [ Clp_� e4l�' -VV110 VVX-Mt- b N i. Approximately how many people would reside or work in the compl ted oject? J Reside = 0; Work = 2 j. Approximately how many people would the completed project displace? 4-z C) (. None ����� k. Proposed measures to avoid or reduce displacement impacts, if any: co- �] NA 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: Project will comply with City of Federal Way Land Use Review Process in. Proposed measures to reduce or control impacts to agricultural and forest lands of long-term commercial significance, if any: None 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low- income housing. None Bulletin #050 — October 17, 2016 Page 9 of 15 k:\Handouts\Environmental Checklist ?4� '� CITY OF ~'- Federal Way Department of Community Development 33325 a Avenue South Federal Way, WA 98003-6325 253-835-2607;Fax 253-835-2609 w,"rw. c itvoffed ern hvay. cam b. Approximately how many units, if any, would be eliminated? Indicate whether high-, middle-, or low-income housing. None c. Proposed measures to reduce or control housing impacts, if any: None 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? 20` - CMU and Metal Siding b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: Buildings will have windows, articulation and roof changes per FW Design Guidelines wu,n.ti,,.�,rrr� .f 11. Light and Glare �� �►S �+r S� �,.a rr `� V1lO a d— ,, � hf a. What type of light or glare will the proposal pro uce? at tirete of da would it maur? , Minimal - area lighting will beshAU-e-d 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: None 12. Recreation a. What designated and informal recreational opportunities are in the immediate vicinity? None Bulletin #050 — October 17, 2016 Page 10 of 15 UHandoutsTrivironinental Checklist Department of Community Development 33325 81h Avenue South CITY of - ==� Federal Way, WA 98003-6325 Federal '1JIlay 253-835-2607; Fax 253-835-2609 www.citvnffe,deraiway.com b. Would the proposed project displace any existing recreational uses? If so, describe. No c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: None 13. Historic and Cultural Preservation a. Are there any buildings, structures, or sites, located on or near the site that are over 45 years old listed in or eligible for listing in national, state, or local preservation registers ? If so, specifically describe. No b. Are there any landmarks, features, or other evidence of Indian or historic use or occupation? This .may include human burials or old cemeteries. Are there any material evidence, artifacts, or areas of cultural importance on or near the site? Please list any professional studies conducted at the site to identify such resources. No c. Describe the methods used to assess the potential impacts to cultural and historic resources on or near the project site. Examples include consultation with tribes and the department of archeology and historic preservation, archaeological surveys, historic maps, GIS data, etc. None d. Proposed measures to avoid, minimize, or compensate for loss, changes to, and disturbance to resources. Please include plans for the above and any permits that may be required. None 14. Transportation a. Identify public streets and highways serving the site or affected geographic area and describe proposed access to the existing street system. Show on site plans, if any. Site fronts on Pacific Highway South (WA-99) and South 352nd Street Access to the site will be provided from both streets b. Is the site or affected geographic area currently served by public transit? If so, generally describe. If not, what is the approximate distance to the nearest transit stop? No Bulletin #050 —October 17, 2016 Page 11 of 15 k:\Handouts\Environmental Checklist Deparrment of Community Development CITY OF 33325 8'i' Avenue South Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 www.ei tvoff'ed eral way. com c. How many additional parking spaces would the completed project or non -project proposal have? How many would the project or proposal eluninate? New - 9 spaces Remove - none d. Will the proposal require any new or improvements to existing roads, streets, pedestrian, bicycle or state transportation facilities, not including driveways? If so, generally describe (indicate whether public or private). Yes - ROW improvements will be provided where new curb cuts are located e. Will the project or proposal use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe. No f. How many vehicular trips per day would be generated by the completed projector proposal? If known, indicate when peak volumes would occur and what percentage of the volume would be trucks (such as commercial and nonpassenger vehicles). What data or transportation models were used to make these estimates? This project is expected to generate 15 new trips g. Will the proposal interfere with, affect or be affected by the movement of agricultural and forest products on roads or streets in the area? If so, generally describe. No h. Proposed measures to reduce or control transportation impacts, if any: None 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, public transit, health care, schools, other)? If so, generally describe. Fire protection will be needed b. Proposed measures to reduce or control direct impacts on public services, if any. None 16. Utilities a. Circle utilities currently available at the site: electricity, natural gas, water, refuse service, telephone, sanitary sewer, septic system, other Bulletin #050 — October 17, 2016 Page 12 of 15 k:\Handouts\Environmental Checklist Departir'� ommuuity Development 33325 9` Avenue south CITY OFFederal Way, WA 98003.6325 Federal Way 253-s35-26a7;Fax 253-835-2609 ttttt4.citt o! icderaj■tat•.a�n� 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 which might be needed. New building utility services will be provided as necessary to the buildings, including water and sewer (Lakehaven Utility District), storm (City of Federal Way), power and gas (Puget Sound Energy), Cable (Comcast), telephone (CenturyLink) and trash service (Waste Management). New water mains and fire hydrants will also be constructed to serve the site. C. S.IGNATURE The above answers are"trueaomplete to the best of my knowledge. I understand that the lead agency is them to snake its decision. Signature: Name of Signee: 14 Position and Agency/Organization: A!aL� Date Submitted: Bulletin 4050 — October. 17, 2016 Page 13 of 15 k.-INandoutsTnvironmental Checklist 41k CIT Federal Way DEPARTMENT OF COMMUNITY DEVELOPMENT 33325 8th Avenue South Federal Way WA 98003-6325 253-835-7000; Fax 253-835-2609 www,c€iyoffederolwciy.com DECLARATION OF DISTRIBUTION 1, JJf l hereby declare, under penalty of perjury of the laws of the State of Washington, t a: [I-<tice of Land Use Application/Action ❑ Notice of Determination of Significance (DS) and Scoping Notice ❑ Notice of Environmental Determination of Nonsignificance (SEPA, DNS) ❑ Notice of Mitigated Environmental Determination of Nonsignificance (SEPA, MDNS) D-K-o-tice of Land Use Application & Optional DNS/MDNS ❑ FWRC Interpretation ❑ Other ❑ Land Use Decision Letter ❑ Notice of Public Hearing before the Hearing Examiner ❑ Notice of Planning Commission Public Hearing ❑ Notice of LUTC/CC Public Hearing ❑ Notice of Application for Shoreline Management Permit ❑ Shoreline Management Permit ❑ Adoption of Existing Environmental Document was ❑ mailed ❑ faxed ❑ e-mailed and/or fisted to or at each of the attached addresses on 1 �. 2017. Project Name File Number(s) r -1667 a 31 Date . Zllh� K:\PLANNING INTERN\Declaration of Distribution notices\Declaration of Distribution with Posting Sites.doc Posting Sites: Federal Way City Hall - 33325 8th Avenue Federal Way Regional Library - 34200 1 st Way South Federal Way 320th Branch Library - 848 South 320th Street Subject Site - K:\PLANNING INTERN\Declaration of Distribution notices\Declaration of Distribution with Posting Sites.doc CITY OF Federal Way NOTICE OF MASTER LAND USE APPLICATION AND OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS) Project Name: Federal Way Premier Storage Project Description: Proposed construction of 648-unit self -storage facility on approximately 5.2'acres. The proposal includes outdoor and enclosed recreational vehicle and boat storage with associated site work. Outdoor storage is included in gross floor area calculation. Applicant/Owner: Joe Strobele, CPSG Self Storage Facility XII, LLC, 1-844-622-5556, Strobele CP-Inveatments.com Project Location: 35200 & 35204 Pacific Hwy. S., Federal Way, WA Parcels #292104-9048, -9053 and -9046 Date of Application: May 4, 2017 Date Determined Complete: June 1, 2017 Date of Notice of Application: June 2, 2017 Public Comments Due: June 17, 2017 Vicinity Map Requested Decision and Other Permits Included with this Application: The applicant requests a Use Process III decision (File #177102031-00-UP) issued by the Community Development Director pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional permits and/or approvals in conjunction with the Use Process III decision include a critical area review (File #17-102535-00-AD) pursuant to FWRC 19.145.080, threshold determination pursuant to State Environmental Policy Act (SEPA) Rules WAC 197-11 (File #17-102032-00-SE), and Transportation Concurrency Review (File #17-101402-00-CN). Environmental Documents: Environmental Checklist, Geotechnical Engineering Report, Technical Information Report, Critical Areas Memo, and Hazardous Materials Inventory Checklist (6-month, 1-year and 5-year capture zones). Development Regulations to Be Used for Project Mitigation: FWRC Title 14, `Environmental Policy"; Title 16, "Surface Water Management"; and Title 19, "Zoning and Development Code." Consistency with Applicable City Plans and Regulations: The project will be reviewed for consistency with all applicable codes and regulations including the Federal Way Revised Code, 2016 King County Surface Water Design Manual as amended by the City of Federal Way, and the Public Works Department Development Standards. Public Comment & Appeals: The official project file is available for public review at the Community Development Department (address below). This may be the only opportunity to comment on the environmental impacts of the proposal. Any person may submit written comments on the Use Process III application to the Director of Community Development by June 17, 2017. Only the applicant, persons who submit written documents to the director, or persons who specifically request a copy of the original decision may appeal the director's decision. Availability of File and Environmental Documents: The official project file and referenced environmental documents are available for public review during normal business hours at the Community Development Department, 33325 8th Avenue South, 2"s Floor, Federal Way, WA 98003. Staff Contact: Associate Planner Leila Willoughby -Oakes, 253-835-2644, leila.willoughby- oakes@cityoffederalway.com Printed in the Federal Way Mirror June 2, 2017. 1' 1 1 ' 1 ' ' hx'x�cNl r 1 r 'r � �' T• WADY PREMIER STORAGE �1D1ERA1L .-J E '�Q �� -- — — -- — --- ----- — -- ------------ ---- -- — — — ----- ------- — -- --- --- .I o co vPT PROJECT INFORMATION SOUTH 352ND STREET �e ADORFOM 35200 PACIFIC HIGHWAY S C C7 0 TT_—_—_—_—_—_—_.--.__..__________—_____—___—.—_—_--_-_-______—____..—._..---.____� FEDERAL WAY. WA L y 01 W I I 3}A/rCrr N PARCEL NUMBER: 292104-9048 / 292104-9053 / 292104-9046 N ' can 4RIE .ER., (COMMERCIAL ENTERPRISE) ZONING DISTRICT: SE) m !&ZI5 Ij .___ SITE AREA S. 19 Dues (226,115 SF) ---• ._ .tom... �...�___-.,�__ __ .�..—..-----..- _ _________ PROPp SED BUILDINGS: p C O F CAW fCPNN wuI T I iWIiC EOFwML a USE: MINI -STORAGE WAREHOUSE NO. OF BLDGS: 2 J 0 0 O -O SLOG AREA: 78.707 GSF p C - "•.-- BCONSIR.LDGHEIGHT_ 2D72-STORIES 1 y E� •O P R Q •`= R�j TYPE B-a TOTAL IBD T ry O AT I +x�wrD•cFnw UNITS: W O I cirNCF�a ■ f 4 \/ I III AO�T FLIti= 3 OCFIRFULLY SPRINKLED OCCUPANCY: 5-I (PRIMARY USE) F— fn .� O_ wa L'S'_`� �C .�/.�..-. Y. �7'.�. .... — c •� B/M (ACCESSORY USE)Cn (J'� __ - — — — -. _— . K,_••I .w.l - b b X SCOPE OF WORK 771 In 0 it , ; PE R S O T 1 IS CURRENTLY VACANT. NEWCONSTRUCTION WILLEI-STORY MINI -STORAGE WAREHOUSE FACILITY WITH ONE 111 EWSITE ( Re BUILDING AND ONE (I) 2-STORY'DAYLIGHT BASEMENT' BUILDING. ALL NEW BINDING AREA TO BE SPRINKLED. PERIMETER { wNL OFSBEWILL BE SECURED WITH A COMBINATION OF IRON' FENCE AND CMU SCREEN WALL RV STORAGE WILL BE ALL OPEN I 1 SPACES_ SEVEN (7) PARKING SPACES ARE PROVIDED OUTSIDE 1 I ND 1 ,ruu..oN cccalx THE ENTRY GATE AT THE OFFICE TWO 12) NEW CURB CUTS TO BE 7 CURE to R9-.r,rvG INSTALLED ALONG THE HIGHWAY 99 FRONTAGE. AND ONE 1' 7 I LEVEL) BUILDING f Y w NEW CURB CUT WILL BE INSTALLED ON=ND. THE CURB CUTS AT / BUILDING I a 4 2-STORY SELF STORAGE I b" 4 THE OFFICE AND 352ND WILL ALLOW ENTRY: THE SOUTH AND ' 1Ve�Nva ;r7 �rl i 1-STORYFSELF STORAGE I Y Li FF-�s, I 352ND CURB CUTS WILL ALLOW ExIL / L / r i r _ eyrf I f + U 1 - m r1 _ - 7 'cmlcln �e _ • • ' fw.AiE1 /.O - - •-1 _ � I jrlTyrr r j 1• � 'ram r _f` - _, a1, I � f i1 a 4 1 � IrIA+IrArI �,r I l ° - '• ; i1 r l � r ,1• j l 9cmu tapes + . • k-'� 0, ' I03 / /ld �1 1 �I ° / /m• a 71 / r r1 I � E�-0pNaI / 1 Aq IFH IFUNREI � / � rtrxN r r ti- =A, a�- _ IENCEa � _ EXISTING BUILDING ENURE NRBCUI we Ira _ PER KPG 19591 19591 'LAM T' . 3V-V, ' CREATEACO—OJS UNE OF FENCING IE v I } I AREA CALCULATIONS x • I I ; -�(-� r�(-��-� r�r�r--� +r-. � r�r�r�r-.ram r�7�•Of-� _ � �T INTERIOR STORAGE: - BUILDINGA: 17.368GSF BUILDINGB: 61,339 GSF GSF SLOG AREA: 78.707 GSF w1E wK.I b .pl w w o 0 1 c OUt(300R STORAG - .... ` RV SPACE TALLY E D V 8 AT + I, ENCL COVERS OPEN TOTA4 ZZ X/,KEEDve vz&w ri "A -CLASS- 12 12 IcadalalN�eNla..ac •R-CLASS"112YM) S7 57 ��� c-aAss (Izao) sz 42 q!♦Q.gI,T.RP9D = - - - - - - -z z Ta.FAFwNV ITS ■!N,rr rcxti.rrly TOTAL 1TI I1t _ _ _ rw�.c.u� ^ re.rtwPTNCE EwD AREAci M210 _ _ _ _ _ _ _ - .� ` CREATE TEA AGpN'PAVi I urn•E DNNGCLr11LCii I PARKING: U[✓y IVK'wD wrdtuEGHT RON' f FENCE Ei ON PROPERTY UNE MOUND REQUIRED SPACES: 3 11 per 300 Office SF) ENTIRE SECURE PERIMETER I PROWD®SPACES: 7 INSTALL CODNNUOUS --C —O—IFOW— FENCE PROPERTY NNEAROUND EMI RE SECUREPERTMETER EXISTING BUILDING f I LANDSCAPING I( BERRRM�PDp■t r NI WANE SCALE-.: I" • OsnE mDPO KEr PAG VICINITY MAP LANDSCAPING ltnl� —S ` '•' �— w � Qj 77AWllr IEMED Ip! RRvf III LANDSCAPING ��� R' 1 10 I { .� T� r Ny„•�w ' I 1 9RE LANE _ •R�v REOIB'L'�l[a CONCRETE �+ I RrE.®iAlOLN1W6 cNnanvr I or ImsexRlGrolE a I SITE PLAN W\Y�A nnpp pp(�� sslIi�pp , 3NO G I..ExcAn.a I Hi0w BITA " I �^ I IISMSOPESI f 11 I sBtsmscsFEsrTSRM A — 1 _O PROJECT OVERVIEr'4BLE OF CONTENTS W �s Figure 1 — Technical Information Re UeA Figure 2 — Site Location port c (T I R) Worksheet F�I Figure 3 — Drainage Basins, Z 3 Subbasins, and Site Characteristic 00 'Vg6 Figure 4 —Soils s LS _O CONDITIONS AND REQUIRE MENTS SUMMARY 2.1 Analysis of the Core Requirements 2.2 Analysis of the Special Requirernents 2.3 Analysis of the Minirnum Requirements 3, p OFF -SITE ANALYSIS 4_ C7 FLOW CONTROL, LOW IMPACT DEV ANALYSIS AND DESIGN ELOP MENT (LID) AND WAT A. Existing Site Hydrology ydrology S. Developed Site H ER QUALITY FACT! C. Performance Standards D. Flow Control BMPs E. Flow Control System F- Water Quality System 5 O CONVEYANCE SYSTEM ANALYSIS AND SPECIAL REPORTS AND DESIGN 6.0 STUDIES 7.0 OTHER PERMITS 8.0 CONSTRUCTION STORMWATER POLLUTION DESIGN A. Erosion and Sediment Control PREVEN710N (CSWPP) ANAL B. Stormwater Pollution Prevention and Plan Analysis and Design and Spill (SWPPS BMMAR OND QUANTITIES, on SU )Plan Design 9.0 IES, AND OPERATIONS AND OF MAINTENANCE DECLARATION 10.0 MANUAL COVENANT 18260.003 PROJECT OVERVIEW The proposed project site is located at the southeast corner of Pacific Highway 99 and South 352nd Street in Federal Way, Washington. The site address is 35200 Pacific Highway South. The site is bound by South 352nd Street on the north property line, Pacific Highway 99 on the west property line, a construction company/equipment storage yard on the east and a regional stormwater facility to the south owned by the City of Federal Way. The site is currently vacant and is vegetated with grass, shrubs and trees. Site topography is generally flat to moderate with slopes between 2 and 15 percent. The site elevations range from 242 at the northeast corner to approximately 220 at the southwest corner. Currently, stormwater runoff sheet flows south and east away from the adjacent roadways and properties and towards the existing regional stormwater facility. The regional facility was constructed in 1996 and was sized to detain a total area of approximately 254 acres of which the project site is a part. Per the Settlement Agreement between the City of Federal Way and Everspring, Inc. water quality treatment is required to be provided on this site. Per City of Federal Way comments, only parcel 292104-9048 (2.99 acres) may be discharged to the regional pond. There is no offsite runoff currently draining to the project site. In the developed condition the site will collect runoff in an underground conveyance system. Most of the site will be routed to an onsite infiltration gallery and approximately 1.3 acres will discharge to the existing regional stormwater facility. Please refer to the Drainage Basin Maps included as Figure 3 and the Civil Plans. The site soils shown on the USDA Soil Survey are a mixture of Everett-Alderwood gravelly sandy loams (EwC, 6 to 15% slopes); Kitsap silt loam (KpB, 2 to 8% slopes); and Urban land (Ur). The percentages of the soils onsite are approximately 67%, 24%, and 9% respectively. Please refer to Figure 4 for the soil map. The proposed site will clear and grade the vacant site, pave and install utilities as necessary for the development and operation of a 2-building Self Storage Facility with RV and Boat parking. 18260.003 Figure 1 TI R Worksheet 2005 Surface Water Design Manual 3 1/1/05 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 1 PROJECT OWNER AND PROJECT ENGINEER Project Owner CPSG Self Storage Facilily XII LLC Phone 844 622-5556 Address 15115 N.E. 67th Place Redmond WA 98052 Project Engineer Company Bar hausen Consulting Engineers, Inc. Phone 425 251-6222 I Part 3 TYPE OF PERMIT APPLICATION ❑ Landuse (e.g., Subdivision / Short Subd. / UPD) ❑ Building (e.g., M/F /Commercial / SFR) ❑ Clearing and Grading ❑ Right -of -Way Use ❑ Other Part 2 PROJECT LOCATION AND DESCRIPTION Project Name Federal Way Premiere Storage DPER Permit # Location Township 21 North Range 4 East Section 29 Site Address 35200 Pacific Highway South Federal Way, WA 98003 Part4 OTHER REVIEWS AND PERMITS ❑ DFW HPA ❑ Shoreline ❑ COE 404 Management ❑ DOE Dam Safety ❑ Structural Rockery/Vault/ El Floodplain ❑ ESA Section 7 ❑ COE Wetlands ❑ Other Part 5 PLAN AND REPORT INFORMATION Technical Information Report Site Improvement Plan (Engr. Plans) ® Full Type of Drainage Review ❑ Targeted ® Full (check one): ❑ Simplified Plan Type (check ❑Modified one): ❑ Large Project ❑ Simplified ❑ Directed Date (include revision Date (include revision dates): dates): Date of Final: Date of Final: Part 6 SWDM ADJUSTMENT APPROVALS Type (circle one): Standard / Experimental / Blanket Description: (include conditions in TIR Section 2) Approved Adjustment No. Date of Approval: 2016 Surface Water Design Manual 4/24/2016 18260.004.doc 2005 Surface Water Design Manual 3 l/l/05 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 7 MONITORING REQUIREMENTS Monitoring Required: Yes / No Start Date: Completion Date: Describe: Re: KCSWDM Adjustment No.: I Part 8 SITE COMMUNITY AND DRAINAGE BASIN I Community Plan: Special District Overlays: Drainage Basin: Hylebos Creek Stormwater Requirements: Enhanced Basic WO, Conservation Flow Control Part 9 ONSITE AND ADJACENT SENSITIVE AREAS ❑ River/Stream ❑ Lake ❑ Wetlands ❑ Closed Depression ❑ Floodplain ® Other Wellhead Protection Area Part 10 SOILS Soil Type Everett (EwC) Kitsa K B Urban Land Ur ❑ High Groundwater Table (within 5 feet) ❑ Other ❑ Steep Slope ❑ Erosion Hazard ❑ Landslide Hazard ❑ Coal Mine Hazard ❑ Seismic Hazard ❑ Habitat Protection Slopes 6% to 15% 2% to 8% ❑ Sole Source Aquifer ❑ Seeps/Springs Erosion Potential ❑ Additional Sheets Attached I 2016 Surface Water Design Manual 4/24/2016 2 18260.004.doc 2005 Surface Water Design Manual 3 l/l/05 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 11 DRAINAGE DESIGN LIMITATIONS REFERENCE ❑ Core 2 — Offsite Analysis ® Sensitive/Critical Areas_ ❑ SEPA ❑ LID Infeasibility ❑ Other ❑ Additional Sheets Attached LIMITATION / SITE CONSTRAINT Wellhead Protection Area Part 12 TIR SUMMARY SHEET (provide one TIR Summary Sheet per Threshold Discharge Area) Threshold Discharge Area: Federal Way Self Storage (name or description) Core Requirements (all 8 apply) Discharge at Natural Location Number of Natural Discharge Locations: 1 Offsite Analysis Level: 0 / 2 / 3 dated: Flow Control (include facility Level: 1 / E / 3 or Exemption Number _ summary sheet) Flow Control BMPs Infiltration Conveyance System Spill containment located at: Erosion and Sediment Control / CSWPP/CESCL/ESC Site Supervisor: TBD Construction Stormwater Contact Phone: TBD Pollution Prevention After Hours Phone: TBD Maintenance and Operation Responsibility (circle one): Privat / Public If Private, Maintenance Log Required:© / No Financial Guarantees and Provided. Yes / No Liability Water Quality (include facility Type (circle one): Basic / Sens. Lake / JEnhanced Basicm / Bog summary sheet) or Exemption No. Landscape Management Plan: Yes / No Special Requirements (as applicable) Area Specific Drainage Type: CDA / SDO / MDP / BP / LMP / Shared Fac. / None Requirements Name: Flood plai n/Floodway Delineation Type (circle one): Major / Minor / Exemption /Non 100-year Base Blood Elevation (or range): Datum: Flood Protection Facilities Describe: 2016 Surface Water Design Manual 4/24/2016 3 18260.004.doc 2005 Surface Water Design Manual 1/1/05 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 12 TIR SUMMARY SHEET (provide one TIR Summary Sheet per Threshold Discharge Area) Source Control Describe land use: Commercial (Self Storage Facility) (commercial / industrial land use) Describe any structural controls: Oil Control High -use Site: Yes / NH Treatment BMP: Maintenance Agreement: Yes / No with whom? Other Drainage Structures Describe: Part 13 EROSION AND SEDIMENT CONTROL REQUIREMENTS MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION AFTER CONSTRUCTION ® Clearing Limits ® Stabilize Exposed Surfaces ® Cover Measures ® Remove and Restore Temporary ESC Facilities ® Perimeter Protection ® Clean and remove all silt and debris, ensure ® Traffic Area Stabilization operation of Permanent Facilities, restore operation of Flow Control BMP Facilities as ® Sediment Retention necessary ® Surface Water Control ❑ Flag Limits of SAO and open space ❑ Dewatering Control preservation areas ® Dust Control ❑ Other ® Flow Control ❑ Protection of Flow Control BMP Facilities (existing and proposed) ® Maintain BMPs / Manage Project Part 14 STORMWATER FACILITY DESCRIPTIONS (Note: Include Facility Summary and Sketch) Flow Control Type/Description Water Quality T e/Descri tion ❑ Detention ® Infiltration ® Regional Facility ❑ Shared Facility ❑ Flow Control BMPs ❑ Other Underground Chambers ❑ Vegetated Flowpath ❑ Wetpool ❑ Filtration ❑ Oil Control ❑ Spill Control ❑ Flow Control BMPs ® Other Modular Wefland_ Pond (cD S356th St 2016 Surface Water Design Manual 4/24/2016 4 18260.004.doc KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 15 EASEMENTS/TRACTS Part 16 STRUCTURAL ANALYSIS ❑ Drainage Easement ❑ Cast in Place Vault ❑ Covenant ❑ Retaining Wall ❑ Native Growth Protection Covenant ❑ Rockery > 4' High ❑ Tract ❑ Structural on Steep Slope ❑ Other ❑ Other Part 17 SIGNATURE OF PROFESSIONAL ENGINEER I I, or a civil engineer under my supervision, have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attached Technical Information Report. To the best of my knowledge the ormation p�r°�vided here is accurate. PAIA a, 2016 Surface Water Design Manual 4/24/2016 5 18260.004.doc Figure 2 Vicinity Map 4!h P%S S any 416 4 � r co [�7 4--' r r I} L � A v 3 ci Ave.SW N r no Figure 3 Drainage Basins, Subbasins, and Site Characteristics PRELIMINARY EXISTING BASIN MAP �afill�rn� A I PRELIMINARY DEVELOPED BASIN MAP T-50' �s�lEigoq�l� i1��11aS7 A I 0- J 19 PRELIMINARY WATER QUALITY BASIN MAP 0 25 50 PE o E C E Figure 4 Soils Map Z O F R a M.0.6T oZZT M.LT.6T .= O6LLEM OSSLEM O"LEM OLOLEM OEOLCM Z F c 066�ZS M.0,61 oM C6SLtt5 0MEM OL6M OLULl MxUly 'Uo*/v 9 4 � M T N Z o ZU) U (0 O N U a a) Uv � 3 m C O O .a — l9 Z in Q o� g d �N dw 3 N C o z � l0 O n Z V M.LT,6T oZZT 8inI ?4 G Z ,w V W J CL N 'p ? a1 N Ld mo m CD drMa) m (D "O 3c 7 C_ co U C U Z O L w j E m w U w m m m L N C �,E — V O CO N ° E C (p 'a Cc —0O u, '� N L N 7 a) m w Q U) O E CO w L O N a7 w . O U N C E C M m O N L p 0 7CD a� 3 U) m E m w 3 rnmo w n m U' w U) O y Z� a)am Z wr mp N w 3 v E N� o�'> +L.+ a) (a O W w c w 70 N m m` 00 m 3 w m 0 °� ¢ m N mt CD U m $ L o aw m (� D (D C a ° ¢ > 7 E w L m ` m m L C O a) Q U) m O) [1 =p vi m T O > a) � o 0 m _ C N O 7 O a) T d C O U a) O U C '� O E a) �'Cs C w w p L E T m N L E N w L m C' '°O L a) a) I ID Z a) Y 7 N U O O L -0 7 C O O_ cc D_ d N m m L w Co E C N a 7 U N U3 IDw Z p Cl "O 'o O a; N U w a) a) L E O C a« U T m L Y m 0 W E (' w .7+ J N 0. E O !/) U) cO — G a) Y i N L 3 CO) N 7 L N C o Lm. E co ) ZE E w y aQ o o c aa) `-° rn ono.. .� m E H w T� 0 >, L N a) l0 U M N 'O m d f6 p� E O T 7 O V O_ 15 W T O y m (a 7 3 C j m w U Q >, w C m m m 0 -07 Cl m N E w 0 U) a) E tm i E a) C E N (!) a) w o— m O C E C m U O O a) a) .O„ 7` •° a) O` N � Z¢ 7 0 CS O a7 m O w L O N Z' V°j 0 C O V N w 01 C f�6 a) 7 m w O ` u) 1 U m w° c i > n a) 7 T U) a) m 0 E p y cm O C1 0 C CD � L N m (6 w W C m C '— C O U al cc 7 N ° ° O � cL.m 0 VJ L U r2 *0 U w +L-. L ,� — Z o 7 — O U) O a) E m '.�— L° E L H � r W E_ U N a E U) U C1 Q m H O U) U) r N U .— N a m C m ii U m t L CL O N c c 0 = N a) V W O N CL T c J O 0) w O O L ¢ � >• °a U) m E `° o iY K CL m W lY O m m CL o L7 coi m 0t fn (n O [C C CO ❑ o J aci Q O R C 0 CL O H m c o a � o m O cl o N O c a -i O CL y v C1 E Z 3 w d C m d m .... m .r O d 0 o C) T m W O m 7 d N 3 la .2� y0 C c Lu a _ M a C 0 a Q CL Cl m m CL " CL m m= 3 ❑ d - Q LL `O c m 0 (n (n 2 m N p o m tL 3 0 >, m > > v m m m cmi m E > Y m v N m Q Z 'p CO CO .o C O C M p CO m m U O 0 m U' m o J J C_ f* LT O d O w m M m 0 a7 to c72 0 O M (n m a ED UX o a "V �.` 'V [3" "'S' ode `Oi" Ao0 (ai w1 © CL Y 0 Q h (M T N 7 U) m Z gi Soil Map —King County Area, Washington Map Unit Legend King County Area, Washington (WA833) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI EwC Everett-Alderwood gravelly 3.8 sandy foams, 6 to 15 percent slopes 67.3°% KpS I(itsap silt loam, 2 to 8 percentf slopes 1.4 23.9°% Ur Urban land 0.5 8.B% Totals for Ares of Interest 5.7 100.0% t:S[7.a Natural Resources Web Soil Survey 3/20/2017 Conservation Service National Cooperative Soil Survey Page 3 of 3 SECTION 3.2 RUNOFF COMPUTATION AND ANALYSIS METHODS E TABLE 3.2.2.A EQUIVALENCE BETWEEN SCS SOIL TYPES AND TYPICAL CONTINUOUS MODELING SOIL TYPES SCS Soil Type SCS Hydrologic Soil Group Soil Group for Continuous Model Notes Alderwood (AgB, AgC, AgD) C Till Arents, Alderwood Material (AmB, AmC) C Till Arents, Everett Material (An) B Outwash 1 Beausite (BeC, BeD, BeF) C Till 2 Bellingham (Bh) D Till 3 Briscot (Br) D Till 3 Buckley (Bu) D Till 4 Earlmont (Ea) D Till 3 Ed ewick Ed C Till 3 Everett (EvB, EvC, EvD, EwC) A/B Outwash 1 Indianola InC.InA InD A Outwash 1 Kitsap (KpB, KpC, KpD) C Till Klaus (KsC) C Outwash 1 Neilton (NeC) A Outwash 1 Newberg (Ng) B Till 3 Nooksack (Nk) C Till 3 Norma (No) D Till 3 Orcas (Or) D Wetland Oridia (Os) D Till 3 Ovall (OvC, OvD, OvF) C Till 2 Pilchuck (Pc) C Till 3 Puget Pu D Till 3 Puyallup (Py) B Till 3 Ra nar (RaC, RaD, RaC, RaE) B Outwash 1 Renton (Re) D Till 3 Salal (Sa) C Till 3 Sammamish (Sh) D Till 3 Seattle (Sk) D Wetland Shalcar (Sm) D Till 3 Si (Sn) C Till 3 Snohomish (So, Sr) D Till 3 Sultan (Su) C Till 3 Tukwila (Tu) D Till 3 Woodinville (Wo) D Till 3 Notes: 1. Where outwash soils are saturated or underlain at shallow depth (<5 feet) by glacial till, they should be treated as till soils. 2. These are bedrock soils, but calibration of HSPF by King County DNRP shows bedrock soils to have similar hydrologic response to till soils. 3. These are alluvial soils, some of which are underlain by glacial till or have a seasonally high water table. In the absence of detailed study, these soils should be treated as till soils. 4. Buckley soils are formed on the low -permeability Osceola mudflow. Hydrologic response is assumed to be similar to that of till soils. 4/24/2016 2016 Surface Water Design Manual 3-24 2.0 CONDITIONS AND REQUIREMENTS SUMMARY Stormwater facilities constructed as part of this project are designed per the requirements of the 2016 King County Surface Water Design Manual (KCSWDM) as adopted and amended by the City of Federal Way. Applicable revisions to the KCSWDM per the City addendum effective January 8, 2017 have been incorporated into the design. 2.1 Analysis of the Core Requirements Core Requirement No. 1: Discharge at the Natural Location. Response: The discharge locations for this project will be to groundwater and to the adjacent drainage facility to the south as it currently is in existing conditions. Core Requirement No. 2: Off -Site Analysis. Response: A Level 1 Offsite Analysis was performed. Please see Section 3.0. Core Requirement No. 3: Flow Control. Response: The project currently drains to the existing detention pond south of the site. That detention system was designed and constructed in 1996 to previous detention standards. The City of Federal Way requires Level 2 flow control for this site using forest for the existing land cover. Parcel #292104-9048 currently drains to the storm pond and so a portion of the existing pond volume that was previously designed for this site will be used to offset the- required detention volume required onsite. The regional pond was assumed to provide 25 ac-ft of detention for the 254 acres tributary to it or 4280 CF per acre. Since the 2.99 acre parcel may discharge to this pond, it was assumed 12,800 CF (0.29 ac-ft) was the available detention in the pond for this site. The remaining 3.86 acres will be infiltrated onsite. Core Requirement No. 4: Conveyance System. Response: The new conveyance system will be designed to convey and contain the 25- year peak flow event and while not creating or aggravating any severe flooding or severe erosion problems. The conveyance system will be analyzed at a later date as part of the final civil engineering submittal. Please refer to Section 5.0 for more information. Core Requirement No. 5: Erosion and Sediment Control. Response: Erosion and Sediment Control measures will be included in the design of this project and will be required during the construction phase. Please refer to Section 8.0 for more information. Core Requirement No. 6: Maintenance and Operations. Response: The owner will provide ongoing maintenance of the onsite drainage systems. An operations and maintenance manual will be prepared and included in Section 10.0 during the final civil engineering phase. Core Requirement No. 7: Financial Guarantees and Liability. Response: The project will concur will all necessary financial guarantees and liability requirements. 18260.003 Core Requirement No. 8: Water Quality Response: This site will provide enhanced water quality treatment for the pollution generating surfaces. Roof runoff is considered non -pollution generating and will not be treated prior to infiltration onsite. Core Requirement No. 9: Flow Control BMPs. Response: Flow Control BMPs are required for this site. This requirement is being satisfied by infiltrating almost off of the site runoff. Please refer to Section 4.0 for more information. 2.2 Analysis of the Special Requirements Special Requirement No. 1: Other Adopted Area -Specific Requirements. Response: The City of Federal Way Critical Area Map dated May 2016 does not show any critical areas within the project boundaries. However, information found on King County's iMAP show that the site is within a wellhead protection area. The 2.99 acre parcel on the west side of this project site was included in the regional detention facility sizing and therefore some of the site runoff will be directed to the regional pond. The area will be reduced in order to still meet Conservation or Level 2 flow control requirements. No other area -specific requirements are known for this project. Special Requirement No. 2: Flood Hazard Area Delineation. Response: FEMA mapping does not show the project within any flood hazard area. Special Requirement No. 3: Flood Protection Facilities. Response: The proposed project will not rely on an existing flood protection facility nor does it propose to modify or construct a new flood protection facility. Therefore this special requirement does not apply. Special Requirement No. 4: Source Control. Response: This project is a commercial site development; therefore source control is required. Source controls on this project may include covering dumpster areas. Special Requirement No. 5: Oil Control. Response: This site does not qualify as a high -use site. Therefore the requirements of this special requirement do not apply. 18260.003 3.0 OFF -SITE ANALYSIS The Level 1 Off -Site Drainage Analysis is included in this section. 18260.003.doc Level 1 Offsite Drainage Analysis LEVEL 'I OFF -SITE DRAINAGE ANALYSIS GHAV m x a x i TANG ENG�NE�� Federal Way Premiere Storage 35200 Pacific Highway South Federal Way, Washington Prepared for: CPSG Self Storage Facility XII, LLC c/o Crystal Peaks Storage �ET4 E R 15115 N.E. 67th Place %%AS11 f'�%r Redmond, WA 98052 a 2�u Zo/d f ,P� 42779 4� Revised February 21, 2018 April 25, 2017 Our Job No. 18260 18215 72ND AVENUE SOUTH KENT, WA 98032 (425) 251-6222 (425) 251-8782 FAX BRANCH OFFICES ♦ TUMWATER, WA ♦ KLAMATH FALLS, OR ♦ LONG BEACH, CA • ROSEVILLE, CA ♦ SAN DIEGO, CA www.barghausen.com TABLE OF CONTENTS TASK 1 STUDY AREA DEFINITION AND MAPS EXHIBIT A Vicinity Map EXHIBIT B Downstream Drainage Map EXHIBIT C Topographic Map TASK 2 RESOURCE REVIEW EXHIBIT D FEMA Map EXHIBIT E Sensitive Areas Folios EXHIBIT F SCS Soils Map EXHIBIT G Assessor's Map TASK 3 FIELD INSPECTION EXHIBIT H Off -Site Analysis Drainage System Table 3.1 Conveyance System Nuisance Problems (Type 1) 3.2 Severe Erosion Problems (Type 2) 3.3 Severe Flooding Problems (Type 3) TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS EXHIBIT I Drainage Complaints TASK 5 MITIGATION OF EXISTING OR POTENTIAL PROBLEMS 18260.005.doc TASK 1 STUDY AREA DEFINITION AND MAPS The proposed Federal Way Premiere Storage project is a 5.16 acre site located within a portion of the Northeast quarter of Section 20, Township 21 North, Range 4 East, Willamette Meridian, City of Federal Way, King County, Washington. More specifically, the site is located at the southeast corner of the intersection of Pacific Highway 99 and South 352nd Street. The current address is 35200 Pacific Highway South, Federal Way, WA. The enclosed Exhibit A — Vicinity Map, depicts the approximate location of the proposed site. The site is currently vacant and undeveloped. The site is vegetated with approximately 50% tree cover and 50% grass/shrubs. The existing topography tends to slope to the south and east of the site. There are no existing buildings on the site. The developed site will discharge to the ground and the existing regional stormwater facility to the southeast as it does under existing conditions. The stormwater facility was constructed in 1996 to treat and detain development in the 254 acre basin of which this project is a part. The northern boundary of the project site is formed by South 352nd Street. The western boundary is Pacific Highway 99. Existing industrial developments are to the east and south. The proposal for this development is to construct a new 2-Building Self Storage Facility with RV and Boat Parking. This will include new access drives and parking, new storage buildings and a new retail/office building with restrooms. No frontage improvements are proposed as part of this project. Improvements to South 352nd Street were recently completed and include installation of sidewalk and planter strips on both sides of the roadway as well as installation of underground conveyance to convey runoff to the regional detention facility. Improvements to Highway 99 are currently in progress under a city project as well. Elevations on the site range from 242 in the northeast, down to 220 in the southwest of the project site. UPSTREAM DRAINAGE ANALYSIS Upstream drainage does not contribute to the project site. South 352nd Street serves as a physical barrier for runoff from the north. Improvements to South 352nd have recently constructed sidewalks with landscape planters on both sides of the road as well as a conveyance system to route roadway runoff to the existing regional detention facility. 18260.005.doc Exhibit A Vicinity Map ,n us r-e 26t� F •N t5 � 51d 4z rs v7 rr] b co r lit Ok Ln - SY s rn - sri cn S aAy' u i9 l F TQ IF, Z5 '- GO Y 4th Pti S aAV y}q a � M r ^'^ LO U) M t co 1 /I1 y�ry o � u V 2dd Ave.SW (0) Exhibit B Downstream Drainage Map L.L QD CD • cu L E m L V `: O n w• M G4 A EW.i cz 3 w uU �� sm cn cz C Q E C) U) T W 0 Exhibit C Topographic Map -- 6 �+ EEO 0 Cl�♦♦ lL V Fr O i � 1 c� _ CCD CL r f .c ti4 ti CL cu �. ti. On� C'6 m a O ma�',go Cl) 9 N STS N � Q c� Tds O . � E U i W E me � u (� as d a c Z `21 V 1`til .0 in � y �• 'Cl" �' 6N —A' • i�'� � �j UmU i pig m � T � cy5 2 N m d ti r' E 0 � S b x• �NZ5 $ 0 1 O TASK 2 RESOURCE REVIEW Adopted Basin Plans: This site is part of the Hylebos Creek drainage basin. The Hylebos Creek & Lower Puget Sound Executive Proposed Basin Plan (Adopted 1994) was reviewed. Finalized Drainage Studies: The South 356th Street Regional Detention Facility Feasibility Assessment (KCM, Oct. 1993) and the Technical Information Report for South 352nd Street Extension from SR161 to SR99 (KPG, July 2010) were reviewed. • Basin Reconnaissance Summary Report: The basin reconnaissance summary report was not reviewed as the adopted basin plan contains the latest information. Critical Drainage Area Maps: The City of Federal Way Critical Areas Map (May 2016) available on the City website does not show the site as being within any critical areas (Erosion Hazard, Landslide Hazard, or Wetland). Please see the enclosed Exhibit E - Sensitive Areas Maps. Floodplain and Floodway FEMA Maps: Please see the enclosed Exhibit D - FEMA Map utilized for this analysis. The site does not lie within an area of flood concern. • Other Off -Site Analysis Reports: No other reports other than the aforementioned were reviewed in the preparation of this Level 1 analysis. • Sensitive Areas Folios: King County iMAP shows that is located within a wellhead protection area. No other sensitive areas (landslide, flood, seismic, etc.) were found to be on the project site. Please see the enclosed Exhibit E - Sensitive Areas Maps. Road Drainage Problems: This is not applicable. No roadway related drainage complaints were found during our investigations and any potential existing issues have likely been or will be corrected as part of the City improvements to Highway 99 and South 352nd Street. United States Department of Agriculture King County Soils Survey: The site soils shown on the USDA Soil Survey are a mixture of Everett-Alderwood gravelly sandy loams (EwC, 6 to 15% slopes); Kitsap silt loam (KpB, 2 to 8% slopes); and Urban land (Ur). The percentages of the soils onsite are approximately 67%, 24%, and 9% respectively. Please see the enclosed Exhibit F - Soils Map. Wetland Inventory Map: The City of Federal Way Critical Areas Map (May 2016) available on the City website does not indicate the presence of any wetlands onsite. Please see the enclosed Exhibit E - Sensitive Areas Maps. Migrating River Studies: This is not applicable. 18260.005.doc Exhibit D FEMA Map � W E �o`w° p MEi/� $ ae u7 u E E Q p U O p0 Q F uLLLLil LL LL �. m s 0 H r m -p d O W Z c W«LL H O a �Nr =00 6 LWL 4 ^LLJZ O dl $ e$ Z C-2 C C S j Z O Q, �`4A Z Cum Z Z , A w w r ry �Lo C� E�N�pp rj �1 hhFF..,:: W a Asa 3 w V?$ !a3 w o C7 C+ZiW do�m�5 Q a OE" �� �, ;E� � U o f _° cl EELL W p cot=/) OyQ Go o Q v o mc< ~ W = F~�� �z nc�o��U2 Z Vx��O�mvL 0 � O ��� Zw 2 ��V mLL ...1 ry CL z Yr � i^�i�"d� ��x'� w CL �L«o a O O ° Q O ;z m p0 J a F Cl- - ��;LLo cv °oE ° m y v a— m E' 4,J104 H zA w o pE"o V en [fir V F?w z Col Cd � LU a o 3AV ❑NZZ m F J � C Aif W X �¢ 3f1N3Ay w H191 LLI Z y 76 z �t H�ryas ? � N I z D ❑ w. 3AV Hitt S Q' ay U) c n oy W o •a N � > N W c y�Ja CV `n W . J� x D \ o N H Exhibit E Sensitive Areas Maps m m a) RE E aD E as } CD a [V m U c c cc O ❑ O 70` c y0 N O N V >' N :0 N O N >+ U m m a] O N > L N (`6 U > �_ O N fLC ❑i C a- U U fn (�6 > d O > Q,�: O Ln ^n W c O N c O U N 'O L cu ( W 0 30 E� °d e" '. an o - -6 « E c 4 aa�i�o n S Uo a�i 'm U u @Y a o. c_ � v o 098 "'m E wa„go £ m n m a�ga� iri w E O n� cc c Z cc m � O.r4DU EE3 n o E 9vy ��- c� N m$aaai O _ N C5 E o 2 E 4= c+� i 5��y rn Bi Exhibit F Soils Map Z 0 F M,.0,6T oZZT In 0 �,LT,61 eZZT 03.11M z b F 06LLEZS OGUEM MLEM OLOLEM OEOLEM g51LE25 MUM CLLA t5 iCDG47� z F. a O669cm M „0.6T oZZT h Cl) T N o Z N 0 2U) 7 > >- = C13 O U) n o j U v � 3 m o c O N Z En 06 I � � 8� u v7 mw 10 f �Z wN g Z� C m O Z U �3 M„LT,6T aZZT z G Z W W J Ca C 1: M O O N N N - N � N m Ld � O) O) U N .� wp U 0 N CO 'O N 7 N� 3 Ma fOO N U p C V r-L O) O 'O O U U d m f0 L N 7 E (U) O C Of E - Y a CD E O) U O w O m a d U C a O N _- p p co E E Oj (6 'Q - w C Ui w L 2 y O' p) O E aD w L foil (DCc m a v m m E N m 00 a cc w 7 N (� C O O =a) . C N U E (O U O N Z L d Z N U V E U 3 w o c La) o p_ c uJ �� (D co :3 ccQ m N �� 3 o t o �> O Q-g`� E U W ccm202 a m L 3Nf00 Q m v� L N L U a C CL (L/J (0 d a N 0-d Q o E Na 0 E CC•°L C o D Qin m CL ui co > o o a� °� E m o$ o �� In o E a� E y N _ C N O rn N Q) O U C E O) C U `� L CL d a oo pL a� rw 0 o y °� °-o °) 0 g U M.a a) `m o E a>i� n� a- c1°i �_ Z o p 4) a.c p �— C� d 3 c r- o m E E m° a) m 9 CU J� cc¢ C c Y m rn o� o2 U m E r NE a) Z >. L d CD f6 OI m OS E O .O T 7 d o o C M U) m !� Q� w m c am N T O j w 3� C O m U o N C m U) E 7 y 0 (n 01 N y E O) E N U C E 2 V1 Y 0= m E C m 7 U 0 0) O) w 7` O . N Z¢ r 0 a 0 N O_ m O w L "O O (n C C co a ai y y U 'O `p U U C U `m O O. O) (n O) E 4 U O a N �) L N E O 3 C N C O U m m N O) �.D p N p � a°�m m O U d L) a N� L .� — 0 7 —o O !n °)� m 0 m E m L O E L H W E_ U V a E U) U M a¢ m H O (n (n (� O N H U ._ U N Z 3 co Q) O ZU) U) = m o a`) U) a d � N m w T T U a m li C) m L a m O T C C _rn = N d d C o co y n CO J m W E ° .d. 0 c O K O L a Z C N O N U) O U U) m N U) N O d' C O O m J Q 7 1-qQ 4;P tr, < ` m LL 0 C t 1 3 O t 3 m � m N C °a Qa O C p m f� 0 ''O O 7 w .. m �, n O 3 N p f0 0' O m d ° .O. O o ° W n O 0 C Q o O. O_ m m d m m m 0 0_ 3 d CO O v d T _ C LL E o c 7 O fn fn �' m N COOL o `o m U. O 3 O T m 4 > > m W N U d Y m L m U Y IA m Q .0 '0 U) U '0 fn C O c m `p m m U O U m (D m (7 N N 8 J J 2 C_ N N a U O w m U C m U > m U) C O (n (o U) m 0 O) u 0 0 O�. 1S' ,/q, p 'V" AW9 CD m 41 1 ,^'7I t/ N ado O i m Q -.� ':. 1 7 O U)m f n O C O M ` O) 7 U A O z0 q Soil Map —King County Area, Washington Map Unit Legend King County Area, Washington (WA633) Map Unit Symbol Map Unit Name Acres in AO€ Percent of AOt EwC Everett-Alderwood gravelly 3.8 sandy foams, 6 to 15 percent slopes Kitsap silt loam, 2 to 8 percent 1.4J slopes 57.3°% KpB 23.9% Ur urban land 0.5 8.8% Totals for Area of Interest 6.7 100.0% a Natural Resources Web Soil Survey 3/2012017 Conservation Service National Cooperative Soil Survey Page 3 of 3 Exhibit G Assessor's Map TASK 3 FIELD INSPECTION There were no problems observed during the resource review. King County MAP did not reveal any drainage complaints on the downstream drainage course. There was one drainage complaint related to water quality on a property north of South 352nd Street that was closed in 2013. 3.1 Conveyance System Nuisance Problems (Type 1) Conveyance system nuisance problems, in general, are defined as any existing or predicted flooding or erosion that does not constitute a severe flooding or erosion problem. Conveyance system nuisance problems are defined as flooding or erosion that results in the overflow of the constructed conveyance system for runoff events less than or equal to a 10-year event. Examples include inundation of a shoulder or lane of a roadway. Examples include overflows collecting in yards or pastures, shallow flows across driveways, minor flooding in crawlspaces or unheated garages/outbuildings, and minor erosion. No evidence was found of any conveyance system nuisance problems in the downstream drainage path. 3.2 Severe Erosion Problems (Type 2) Severe erosion problems are defined as downstream channels, ravines, or slopes with evidence of or potential for erosion/incision, sufficient to pose a sedimentation hazard to downstream conveyance systems or propose a landslide hazard by undercutting adjacent slopes. Severe erosion problems do not include roadway or minor ditch erosion. No evidence was found of any severe erosion problems in the downstream drainage path. 3.3 Severe Flooding Problems (Type 3) Severe flooding problems can be caused by conveyance system overflows or the elevated water surfaces of ponds, lakes, wetlands, or closed depressions. Severe flooding problems are defined as follows: • Flooding of the finished area of a habitable building for runoff events less than or equal to the 100-year event. Examples include flooding of finished floors of homes and commercial or industrial buildings. Flooding in electrical/heating systems and components in the crawlspace or garage of a home. Such problems are referred to as "severe building flooding problems." • Flooding over all lanes of a roadway or severely impacting a sole access driveway for runoff events less than or equal to the 100-year event. Such problems are referred to as "severe roadway flooding problems." No evidence was found of any severe flooding problems in the downstream drainage path. 16260.005.doc Exhibit H Off -Site Analysis Drainage System Table 2 V . e .. 3 R 2 co � 7 2 tLu C \ E � R � LLI 3 � \ - . . ^ - k_{3 4-0 cn ||�\) r%/ ma E� . {{q{! )2§2f A}\ {|k!7 =»=Ea m 13 — ® l�iflA fEfJ[ { EE \= � » �■-ar> m E's § -!-¥`° n 2-2:e7 .. - ff[gt 3 M c 0 W b a x o y �a �o T � O U U E Vi e C C G O O O y �+ C � O b0 O an c o ? E -0 was�G15 U > 0 d C .0 u ' V1 O h O O In � � O N ii 0 C td � i � .--� • � Y co cod C c a Q O. i Y � Q � % N C i y N N O •p a a ci " w a u O a 00 a°. H a � ••-� N M TASK 4 DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS Runoff from the site discharges to a regional storm facility that detains stormwater runoff. The regional facility was constructed around 1996 and sized for the development of the surrounding 254 acres. Per City of Federal Way comments, only the western 2.99 acre parcel can be sent to the regional pond. The regional facility is well vegetated with trees, grass and other plants typical of a storm pond facility. From the outfall of the regional storm facility (approximately 400 LF south of the project site), runoff is discharged to an approximately 100 LF of 48" culvert that connects to Tributary 0013 just south of South 356th Street. From here, the stream continues south through the Hylebos Wetlands until reaching South 359th Street approximately 1,100 additional feet from the culvert outfall. The stream through the Hylebos Wetlands is heavily vegetated and the wetlands have a forested ground cover. As part of the regional facility project, stream rehabiliition was performed on approximately 500 LF of the stream and included regrading and installation of log/rock weirs. Tributary 0013 continues south until eventually reaching West Hylebos Creek. There were no drainage complaints found within a 1/4 mile downstream of the project per information available on King County iMAP. 18260.005.doc Exhibit 1 Drainage Complaints Drainage Complaint LI 3 1st St F.-IK HvIeb ts V%l� a r nformakon nckrded an Ih5 "o has bran compi ed by ring County staff from a vanety of sources end s rect to change witrrout notice. Kny CounVnukes no representations o wanwtL0% ON press or Impled, N King County ei Ip amurncy, compUtenees, Um [iwa%or rghts to the uSe of such [nfprmatim. Ths dxu eni is not 1nionded tr usa an Survey producl. Wry County Shdl rot be IMIN e for any ganerel. Soecol, ndlmci, Indder"L or oonsequemlel denlagea indudng, bul net 14rriled tp. km mternm or Jmt Wt mauling from Ihe"a or misuse GIS CENTER of the iatom Uon contal nod on this map. Any sale of Ihs mpp or information on Ihm map G prohititel raocept by wrilen pennissim of King County. Date:3/20/2017 Notes: Legend Parcels 7 Bonded i Commercial-MF i Commercial -SF i Construction DOT • FMD • Regional i Residential Drainage complaints Complaint 2013-0132 WQAL, Closed 6/11 /2013 Project Site Downstream Drainage Path TASK 5 MITIGATION OF EXISTING OR POTENTIAL PROBLEMS Onsite drainage will be captured prior to discharge to the regional stormwater detention system. Flow control for a portion of the project will be handled at the regional stormwater facility at South 356th Street. The regional stormwater facility was designed and constructed to detain the subject property and the surrounding areas. The remainder of the site will be infiltrated onsite. As such, there will be no anticipated adverse impacts to the downstream drainage paths as a result of this project. There are no known offsite existing problems that will need mitigation as a result of this project. 18260.005.doc 4.0 FLOW CONTROL, LOW IMPACT DEVELOPMENT (LID) AND WATER QUALITY FACILITY ANALYSIS AND DESIGN A. Existing Site Hydrology The site consists of a single drainage basin which drains to the regional facility. The basin is approximately 5.16 acres in size. Onsite soils consist of Everett-Alderwood gravelly sandy loams (EwC, 6 to 15% slopes); Kitsap silt loam (KpB, 2 to 8% slopes); and Urban land (Ur). The percentages of the soils onsite are approximately 67%, 24%, and 9% respectively. EwC is listed as A/B, Outwash and KpB is listed as C, Till by Table 3.2.2.A of the KCSWDM. Per comments from the City of Federal Way, the parcel on the west side of the site is allowed to be discharged to the regional pond and the other parcels are not. The 2.99 acre parcel was modeled as moderately sloped till forest due to the geotechnical engineering report showing the top layers of soil are till type soils. The remainder of the site was not modeled because the remainder of the site will be infiltrated. Q2 Q10 Q25 Q100 2.99 existing 0.18 cfs 0.09 cfs 0.23 cfs 0.28 cfs Site B. Developed Site Hydrology A small pond matching the regional pond configuration of 11 feet of live storage and 0.29 ac-ft of volume was modeled using a discharge rate from the 2.99 ac forested pre - developed basin. It was determined that a 1.3 acre developed basin from this site would require 0.29 ac-ft of storage to meet current Level 2 flow control standards. The basin map (in figure 3) shows the southwest area of the site will be routed to the regional facility. No changes to the regional facility are needed. The remaining 3.86 acres of the site will be routed to an underground infiltration system south of proposed Building B. Q2 Q 10 Q25 Q 100 1.3 ac developed basin 0.40 cfs 0.60 cfs 0.70 cfs 0.86 cfs C. Performance Standards According to the City of Federal Way Flow Control Applications Map (Feb. 2010), the project is located within a Conservation Flow Control Area. Per the City of Federal Way Water Quality Applications Map (Nov. 2013) the project is located in an area required Enhanced Basic Water Quality. D. Flow Control BMPs A portion of this site is tributary to the regional detention pond south of the site. Per the calculations noted above and detailed in this report, 1.3 acres of the development will be 18260.003 routed to the regional pond. Flow control is not required for this area, therefore flow control BMPs are not required either. For the remaining 3.86 acres, per Core Requirement #9, flow control BMPs are required. These will be used to supplement the flow control facilities that are required for the site. Any impervious surface served by a flow control facility is exempt from the flow control BMP requirement. This site falls under the requirements for a large lot. Listed below are the flow control BMPs and their feasibility for this site: 1. Full Dispersion — The size of this lot and the amount of proposed development does not allow for full dispersion. More than 35% of the site will be impervious or non- native vegetation. 2. Full Infiltration of Roof Runoff — This project proposes to infiltrate all roof runoff. 3. Full Infiltration — The remaining site runoff will be directed to an infiltration gallery. Since the site is being fully infiltrated onsite, the LID/flow control BMP requirements have been met. E. Flow Control System From the developed site, 1.3 acres will drain to the existing regional facility. This facility was designed and constructed around 1996 to treat and detain the approximately 254.4 acre watershed draining to it. Therefore, no flow control system will be required for this portion of the development. Full infiltration will be used for the remainder of the site. An ADS StormTech underground chamber system is proposed to be constructed for the infiltration gallery. This system has been designed to be reliable and easy to maintain and to be a cost effective option for storm water control. F. Water Quality System Enhanced water quality will be provided for all the pollution generating areas of the site. The runoff will be treated in underground modular wetlands prior to being routed offsite or to the infiltration gallery. Modular wetlands have obtained DOE GULD approval for enhanced treatment. 18260.003 Hydrological Calculations I r) rr O U) Mcz W x W ® 1Fi _ 1 W d U R d Q I CI y N = 7 U 7 O . 'z m` m o aC O C [I1 L l Q L L L L} L L L L L L L L L L L 0 c N m 0`1 Q P a a a m m N :m m aCOD ,� Z • • m N o Q 'm r= o mo Lk LL_LLL_LL.k_'lhLLLLL'�LLLL � o 0 co I o 1 i f M � y 0 Q m ®■� 2 s ® ® r LOU � 0 � m ® ®!I. \J n `� ® BRAD - N I Q o O 6 o P O �J 6 O. o o •O .O. c r F a � r � � w s p Spp:' i o�� � � GG�11 o d o � d Y a �•�y Q � o[ EQ rn v�`i F�� q O O- O O O 0 0 •O �O a] m Lll b O P P O' O O O O Ul •� Q � a 4 � ti y L� Ll C.1 LJ f.J C.i CJ c3 u5 x W o+ c m 6 Jo�o a o a. v a o r o a a � t7 W y cNyn N W 18, L L L L L L M L L L I 0 0` L I`1 c N G1 E`J., a LL o � n 0 9C qa t1y3 n m ,ij la � � � � c ar e n u a a a a a a s a a. c3 sj ca u L; ca ' J u fi N LLLLL LLLLLMLLL_LLC+LLLL 0 LL ,I ` 'I m rn c� N O > N C15 U E -0 C E O OQ o � -o c .o O (D Q N i _0 a� O } U 2 cz .� 11 0 p a) G f i oj N N I m p 3 p � I, C' 0 O O Wa p C E', m 7 U6 ~'O m > m N W CD € N � o �? a, a) F o L H o U) 0 LL 70 a) c I_ Z) A Mmn v CO MmoC wm00 N'I oN m w I--INNw N Nn1n wOr• O v 0 W� Qz1~.-I.4 PI m N01w p pmm r-Om m ro m owri N mqr-1 co eno0ri n v' A W m CS C1 w v am r- ❑ m %D w N [R N n [7'I In N v m G1 w❑ !'- V7 a5 w N v M 41 n n r m +n I[) s'1 N M m lr7 n1 a PT P9 Kl RI N Pl m y N O p oo❑ ❑ O ot]GO DOOO tlpG7O o no 00 tl tl pO q DOtlO p p r- 0 pm vm0N mwnoMr-on r+amN W movv -Ir- In Mmr-vto0N� mnNnwv N.4v -4mn 4 V^ 0 el V vM0v MMP%wmv❑r.rnN.lNI 00vmNln0 oNmlb0e-Nmr-mt-nr-v%0znnmr•nmloa%nr-❑r O ri D❑ 9 0 O tl 1 R O O D ri 0 0 W q 1 y, " tl q 0 0 O D10 tl p p❑ D D O O tl p t] D 0 0 0 0 O O tl q ❑ O D D O tl O q 1 r7 n o Y( _ If If p N II 11 U W d W api rp{moriNMvnmr-0m0 V-1NmvInwr-0m0r1N17v1nw1 a s d u ?+ >+ r1 n v n n n n In 0 1n n n n w w %u w IP w %D w w m !- r- r r r [- r s ❑❑ }+ ?+ A IT m m 2 2 m M In m m m m m 01 G, a m m m IN m m m m m m m m ri ri p In D o W .-I A W H ri r I ri rd W W �-I . 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IO o N M If! o O N W 0] OM Ol IO M 01 [O M 00 to- mm IO Im Iry Mm C O C M N C N W M rl 6 C 01 N �11 Ol +1 [` M 01 �0 M O C M rl 01 t^ u7 M N 01 W t- �0 d' M N �i '— PI I -I si .-I .-I I••I +-I 01 05 m r IO [0 IO W W V' V' M M m N N N N N rl ri ri rl fi ri [i 'i � t W O �/1 h 07 P1 vi N m u1 �O t^ m O N m W '0 C 0 O H N U7 W C Oi O V' 1D W O m u7 C OI rl M u1 m O N v+ �D m O M Ill C 01 r9 M N C O N O O0 IO m O N Ifl I S T p. w Il) N Ill N Ifl �0 �0 [p 50 C r n r r m m m m m O1 Ol 01 01 O O ri .-I rl G,I0,nc c 0oo00000ao00000000C.o0000000o00• o � o E 2 d Q � m Q U . C y v $a Ir- m Km ly c c 0 U C3 U 3 r 1 �i C! �.. t., {.. W 0 7 C u F [n �f o m al O W in Q a rCL 0 N N 2 0 O O O Cl N 3�d a A LL d [ c WWHM2012 PROJECT REPORT General Model Information Project Name: 18260 - drainage to RDF Site Name: 18260 Site Address: City: Federal Way Report Date: 2/21 /2018 Gage: Seatac Data Start: 1948/10/01 Data End: 2009/09/30 Timestep: 15 Minute Precip Scale: 1.00 Version Date: 2016/02/25 Version: 4.2.12 POC Thresholds Low Flow Threshold for POC1: 50 Percent of the 2 Year High Flow Threshold for POC1: 50 Year 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 2 Landuse Basin Data Predeveloped Land Use Basin 1 Bypass: No GroundWater: No Pervious Land Use acre C, Forest, Mod 2.99 Pervious Total 2.99 Impervious Land Use acre Impervious Total 0 Basin Total 2.99 Element Flows To: Surface Interflow Groundwater 18260 - drainage to RDF 2/21 /2018 3:35:32 PM Page 3 Mitigated Land Use Basin 1 Bypass: No GroundWater: No Pervious Land Use acre C, Lawn, Mod 0.3 Pervious Total 0.3 Impervious Land Use acre PARKING FLAT 1 Impervious Total 1 Basin Total 1.3 Element Flows To: Surface Interflow Groundwater Trapezoidal Pond 1 Trapezoidal Pond 1 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 4 Routing Elements Predeveloped Routing 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 5 Mitigated Routing Trapezoidal Pond Bottom Length: Bottom Width: Depth: Volume at riser head Side slope 1: Side slope 2: Side slope 3: Side slope 4: Discharge Structure Riser Height: Riser Diameter: Orifice 1 Diameter: Orifice 2 Diameter: Orifice 3 Diameter: Element Flows To: Outlet 1 14.00 ft. 5.00 ft. 12 ft. 0.2906 acre-feet. 2 To 1 2 To 1 2 To 1 2 To 1 11 ft. 18 in. 0.82 in. Elevation:0 ft. 1.34 in. Elevation:6.777 ft. 0.82 in. Elevation:7.69 ft. Outlet 2 Pond Hydraulic Table Stage(feet) 0.0000 0.1333 0.2667 0.4000 0.5333 0.6667 0.8000 0.9333 1.0667 1.2000 1.3333 1.4667 1.6000 1.7333 1.8667 2.0000 2.1333 2.2667 2.4000 2.5333 2.6667 2.8000 2.9333 3.0667 3.2000 3.3333 3.4667 3.6000 3.7333 3.8667 4.0000 4.1333 4.2667 Area(ac.) 0.001 0.001 0.002 0.002 0.002 0.002 0.003 0.003 0.003 0.004 0.004 0.005 0.005 0.005 0.006 0.006 0.007 0.007 0.007 0.008 0.008 0.009 0.009 0.010 0.011 0.011 0.012 0.012 0.013 0.013 0.014 0.015 0.015 Volume(ac-ft.) 0.000 0.000 0.000 0.000 0.001 0.001 0.001 0.002 0.002 0.003 0.004 0.004 0.005 0.006 0.006 0.007 0.008 0.009 0.010 0.011 0.012 0.014 0.015 0.016 0.018 0.019 0.021 0.022 0.024 0.026 0.028 0.030 0.032 Discharge(cfs) 0.000 0.006 0.009 0.011 0.013 0.014 0.016 0.017 0.018 0.020 0.021 0.022 0.023 0.024 0.024 0.025 0.026 0.027 0.028 0.029 0.029 0.030 0.031 0.032 0.032 0.033 0.034 0.034 0.035 0.035 0.036 0.037 0.037 Infilt(cfs) 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 6 4.4000 0.016 0.034 0.038 0.000 4.5333 0.017 0.036 0.038 0.000 4.6667 0.017 0.038 0.039 0.000 4.8000 0.018 0.041 0.040 0.000 4.9333 0.019 0.043 0.040 0.000 5.0667 0.019 0.046 0.041 0.000 5.2000 0.020 0.049 0.041 0.000 5.3333 0.021 0.052 0.042 0.000 5.4667 0.022 0.054 0.042 0.000 5.6000 0.022 0.057 0.043 0.000 5.7333 0.023 0.061 0.043 0.000 5.8667 0.024 0.064 0.044 0.000 6.0000 0.025 0.067 0.044 0.000 6.1333 0.026 0.070 0.045 0.000 6.2667 0.027 0.074 0.045 0.000 6.4000 0.027 0.078 0.046 0.000 6.5333 0.028 0.081 0.046 0.000 6.6667 0.029 0.085 0.047 0.000 6.8000 0.030 0.089 0.055 0.000 6.9333 0.031 0.093 0.067 0.000 7.0667 0.032 0.098 0.074 0.000 7.2000 0.033 0.102 0.080 0.000 7.3333 0.034 0.107 0.085 0.000 7.4667 0.035 0.111 0.090 0.000 7.6000 0.036 0.116 0.094 0.000 7.7333 0.037 0.121 0.102 0.000 7.8667 0.038 0.126 0.109 0.000 8.0000 0.039 0.131 0.115 0.000 8.1333 0.040 0.136 0.120 0.000 8.2667 0.041 0.142 0.125 0.000 8.4000 0.042 0.147 0.130 0.000 8.5333 0.043 0.153 0.134 0.000 8.6667 0.044 0.159 0.138 0.000 8.8000 0.045 0.165 0.142 0.000 8.9333 0.046 0.171 0.146 0.000 9.0667 0.047 0.177 0.150 0.000 9.2000 0.048 0.184 0.153 0.000 9.3333 0.049 0.190 0.157 0.000 9.4667 0.051 0.197 0.160 0.000 9.6000 0.052 0.204 0.163 0.000 9.7333 0.053 0.211 0.166 0.000 9.8667 0.054 0.218 0.169 0.000 10.000 0.055 0.225 0.172 0.000 10.133 0.057 0.233 0.175 0.000 10.267 0.058 0.241 0.178 0.000 10.400 0.059 0.248 0.181 0.000 10.533 0.060 0.256 0.184 0.000 10.667 0.062 0.265 0.187 0.000 10.800 0.063 0.273 0.189 0.000 10.933 0.064 0.281 0.192 0.000 11.067 0.065 0.290 0.468 0.000 11.200 0.067 0.299 1.602 0.000 11.333 0.068 0.308 3.082 0.000 11.467 0.069 0.317 4.528 0.000 11.600 0.071 0.327 5.606 0.000 11.733 0.072 0.336 6.221 0.000 11.867 0.074 0.346 6.807 0.000 12.000 0.075 0.356 7.299 0.000 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 7 12.133 0.076 0.366 7.759 0.000 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 8 Analysis Results POC 1 0 X6 0 0.15 0 010 e 0 0410E-5 10E-4 10E3 10E-2 10E-110 100 Percent Tme Exceeding + Predeveloped Predeveloped Landuse Totals for POC #1 Total Pervious Area: 2.99 Total Impervious Area: 0 Mitigated Landuse Totals for POC #1 Total Pervious Area: 0.3 Total Impervious Area: 1 om OS ! ] 5 10 77 Al !] h M 90 45 98 99 996 x Mitigated Flow Frequency Method: Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.089028 5 year 0.14588 10 year 0.182435 25 year 0.225918 50 year 0.256038 100 year 0.284171 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.078779 5 year 0.11651 10 year 0.14358 25 year 0.180005 50 year 0.208694 100 year 0.238679 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 0.102 0.063 1950 0.122 0.082 1951 0.195 0.139 1952 0.061 0.046 1953 0.049 0.053 1954 0.076 0.055 1955 0.121 0.116 1956 0.097 0.090 1957 0.079 0.087 1958 0.087 0.075 18260 - drainage to RDF 2/21/2018 3:35:32 PM Page 9 1959 0.075 0.074 1960 0.134 0.133 1961 0.074 0.078 1962 0.046 0.044 1963 0.063 0.075 1964 0.089 0.068 1965 0.059 0.085 1966 0.057 0.045 1967 0.137 0.106 1968 0.077 0.047 1969 0.075 0.072 1970 0.060 0.063 1971 0.068 0.086 1972 0.148 0.113 1973 0.065 0.046 1974 0.073 0.045 1975 0.101 0.111 1976 0.072 0.069 1977 0.011 0.044 1978 0.061 0.075 1979 0.037 0.044 1980 0.174 0.117 1981 0.055 0.047 1982 0.113 0.145 1983 0.096 0.088 1984 0.058 0.046 1985 0.034 0.078 1986 0.153 0.138 1987 0.135 0.146 1988 0.053 0.046 1989 0.035 0.040 1990 0.322 0.150 1991 0.171 0.150 1992 0.070 0.047 1993 0.068 0.065 1994 0.023 0.040 1995 0.098 0.090 1996 0.226 0.130 1997 0.174 0.152 1998 0.043 0.049 1999 0.191 0.118 2000 0.068 0.075 2001 0.012 0.044 2002 0.079 0.142 2003 0.117 0.044 2004 0.126 0.186 2005 0.093 0.098 2006 0.105 0.085 2007 0.244 0.170 2008 0.297 0.181 2009 0.138 0.133 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 0.3224 0.1859 2 0.2970 0.1805 3 0.2437 0.1700 18260 - drainage to RDF 2/21/2018 3:36:15 PM Page 10 4 0.2258 0.1515 5 0.1945 0.1502 �-\ 6 0.1910 0.1502 1 7 0.1742 0.1458 8 0.1738 0.1454 9 0.1710 0.1423 10 0.1526 0.1386 11 0.1477 0.1375 12 0.1385 0.1331 13 0.1367 0.1326 14 0.1347 0.1299 15 0.1342 0.1184 16 0.1255 0.1166 17 0.1216 0.1164 18 0.1210 0.1135 19 0.1175 0.1107 20 0.1127 0.1060 21 0.1048 0.0978 22 0.1025 0.0901 23 0.1010 0.0899 24 0.0977 0.0883 25 0.0975 0.0869 26 0.0964 0.0861 27 0.0931 0.0854 28 0.0894 0.0847 29 0.0874 0.0818 30 0.0787 0.0784 31 0.0787 0.0782 32 0.0769 0.0750 j33 0.0757 0.0748 34 0.0749 0.0747 35 0.0749 0.0747 36 0.0738 0.0737 37 0.0725 0.0725 38 0.0722 0.0692 39 0.0698 0.0677 40 0.0681 0.0646 41 0.0679 0.0634 42 0.0679 0.0632 43 0.0654 0.0553 44 0.0630 0.0534 45 0.0610 0.0492 46 0.0610 0.0467 47 0.0601 0.0466 48 0.0594 0.0466 49 0.0581 0.0465 50 0.0571 0.0461 51 0.0546 0.0458 52 0.0532 0.0458 53 0.0493 0.0454 54 0.0459 0.0446 55 0.0426 0.0445 56 0.0369 0.0441 57 0.0352 0.0441 58 0.0345 0.0439 59 0.0229 0.0438 60 0.0122 0.0405 61 0.0106 0.0401 18260 - drainage to RDF 2/21 /2018 3:36:15 PM Page 11 Duration Flows The Facility PASSED Flow(cfs) Predev Mit Percentage Pass/Fail 0.0445 17524 12889 73 Pass 0.0467 15930 8002 50 Pass 0.0488 14579 5409 37 Pass 0.0509 13321 5086 38 Pass 0.0531 11597 4686 40 Pass 0.0552 10600 4466 42 Pass 0.0573 9702 4293 44 Pass 0.0595 8926 4124 46 Pass 0.0616 8245 3989 48 Pass 0.0637 7589 3833 50 Pass 0.0659 6988 3694 52 Pass 0.0680 6192 3463 55 Pass 0.0702 5764 3287 57 Pass 0.0723 5369 3144 58 Pass 0.0744 4990 2984 59 Pass 0.0766 4663 2834 60 Pass 0.0787 4348 2676 61 Pass 0.0808 4055 2522 62 Pass 0.0830 3790 2355 62 Pass 0.0851 3399 2167 63 Pass 0.0872 3163 2012 63 Pass 0.0894 2954 1877 63 Pass 0.0915 2757 1718 62 Pass 0.0937 2543 1595 62 Pass 0.0958 2376 1491 62 Pass 0.0979 2203 1425 64 Pass 0.1001 1976 1354 68 Pass 0.1022 1837 1313 71 Pass 0.1043 1724 1262 73 Pass 0.1065 1606 1202 74 Pass 0.1086 1485 1139 76 Pass 0.1107 1362 1068 78 Pass 0.1129 1272 1011 79 Pass 0.1150 1147 930 81 Pass 0.1172 1088 867 79 Pass 0.1193 1025 811 79 Pass 0.1214 965 758 78 Pass 0.1236 900 693 77 Pass 0.1257 846 640 75 Pass 0.1278 788 575 72 Pass 0.1300 741 516 69 Pass 0.1321 676 440 65 Pass 0.1343 633 395 62 Pass 0.1364 596 361 60 Pass 0.1385 564 323 57 Pass 0.1407 518 288 55 Pass 0.1428 481 264 54 Pass 0.1449 445 241 54 Pass 0.1471 388 195 50 Pass 0.1492 358 176 49 Pass 0.1513 330 147 44 Pass 0.1535 305 138 45 Pass 0.1556 277 130 46 Pass 18260 - drainage to RDF 2/21/2018 3:36:15 PM Page 13 0.1578 253 124 49 Pass 0.1599 228 115 50 Pass 0.1620 198 104 52 Pass 0.1642 176 95 53 Pass 0.1663 155 87 56 Pass 0.1684 133 77 57 Pass 0.1706 122 63 51 Pass 0.1727 110 56 50 Pass 0.1748 99 51 51 Pass 0.1770 90 41 45 Pass 0.1791 75 28 37 Pass 0.1813 69 16 23 Pass 0.1834 62 11 17 Pass 0.1855 55 6 10 Pass 0.1877 47 0 0 Pass 0.1898 42 0 0 Pass 0.1919 34 0 0 Pass 0.1941 25 0 0 Pass 0.1962 22 0 0 Pass 0.1983 20 0 0 Pass 0.2005 18 0 0 Pass 0.2026 14 0 0 Pass 0.2048 13 0 0 Pass 0.2069 12 0 0 Pass 0.2090 7 0 0 Pass 0.2112 7 0 0 Pass 0.2133 7 0 0 Pass 0.2154 6 0 0 Pass 0.2176 6 0 0 Pass 0.2197 6 0 0 Pass 0.2219 6 0 0 Pass 0.2240 6 0 0 Pass 0.2261 5 0 0 Pass 0.2283 5 0 0 Pass 0.2304 5 0 0 Pass 0.2325 5 0 0 Pass 0.2347 5 0 0 Pass 0.2368 5 0 0 Pass 0.2389 5 0 0 Pass 0.2411 4 0 0 Pass 0.2432 4 0 0 Pass 0.2454 3 0 0 Pass 0.2475 3 0 0 Pass 0.2496 3 0 0 Pass 0.2518 3 0 0 Pass 0.2539 3 0 0 Pass 0.2560 3 0 0 Pass 18260 - drainage to RDF 2/21/2018 3:36:15 PM Page 14 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume: 0 acre-feet On-line facility target flow: 0 cfs. Adjusted for 15 min: 0 cfs. Off-line facility target flow: 0 cfs. Adjusted for 15 min: 0 cfs. 18260 - drainage to RDF 2/21/2018 3:36:15 PM Page 15 LID Report UD Technique Used for Total Volume Volume Infiltration Cumulative Percent Water Quality Percent Comment Treatment? Needs Through Volume Volume Volume Water Quality Treatment Facility {ac-ft} Infiltration Infiltrated Treated {ao-1tJ (acdt) Credit TrapeaMdal Pond 1 POC © 164.66 © D.DO Total Volume lnfitrated 164.66 0.00 0,00 &OD D.00 0% rdo Tirral. Credit Duration Compliance with UD Analysis Standard 8% of 2-yr to 50% of Result 2-Yr Failed 18260 - drainage to RDF 2/21/2018 3:36,15 PM Page 16 Model Default Modifications Total of 0 changes have been made. PERLND Changes No PERLND changes have been made. IMPLND Changes No IMPLND changes have been made. 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 17 Appendix Predeveloped Schematic 18260 - drainage to RDF 2/21 /2018 3:37:03 PM Page 18 Mitigated Schematic 1. dal ond 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 19 Predeveloped UCI File RUN GLOBAL WWHM4 model simulation START 1948 10 01 END RUN INTERP OUTPUT LEVEL 3 0 RESUME 0 RUN 1 END GLOBAL FILES <File> <Un#> <-ID-> WDM 26 MESSU 25 27 28 30 END FILES 2009 09 30 UNIT SYSTEM <----------- File Name --------------- 18260 - drainage to RDF.wdm Pre18260 - drainage to RDF.MES Pre18260 - drainage to RDF.L61 Pre18260 - drainage to RDF.L62 POC18260 - drainage to RDFl.dat OPN SEQUENCE INGRP INDELT 00:15 PERLND 11 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<---------- Title --------- 1 Basin 1 1 ---------->*** *** ->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND MAX 1 2 30 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 END TIMESERIES END COPY GENER OPCODE # # OPCD *** END OPCODE PARM # # K *** END PARM END GENER PERLND GEN-INFO <PLS ><------- Name ------- >NBLKS Unit -systems Printer *** # - # User t-series Engl Metr *** in out *** 11 C, Forest, Mod 1 1 1 1 27 0 END GEN-INFO *** Section PWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC *** 11 0 0 1 0 0 0 0 0 0 0 0 0 END ACTIVITY PRINT -INFO <PLS > ***************** Print -flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* 11 0 0 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT -INFO 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 20 PWAT-PARMl <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** 11 0 0 0 0 0 0 0 0 0 0 0 END PWAT-PARM1 PWAT-PARM2 <PLS > PWATER input info: Part 2 *** # - # ***FOREST LZSN INFILT LSUR SLSUR KVARY AGWRC 11 0 4.5 0.08 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 # - # ***PETMAX PETMIN INFEXP 11 0 0 2 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 # - # CEPSC UZSN NSUR 11 0.2 0.5 0.35 END PWAT-PARM4 *** INFILD DEEPFR BASETP AGWETP 2 0 0 0 *** INTFW IRC LZETP *** 6 0.5 0.7 PWAT-STATEI <PLS > *** Initial conditions at start of simulation ran from 1990 to end of 1992 (pat 1-11-95) RUN 21 *** # - # *** CEPS SURS UZS IFWS LZS AGWS 11 0 0 0 0 2.5 1 END PWAT-STATEI END PERLND IMPLND GEN-INFO <PLS ><------- Name ------- > Unit -systems Printer *** # - # User t-series Engl Metr *** in out *** END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** END ACTIVITY PRINT -INFO <ILS > ******** Print -flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* END PRINT -INFO IWAT-PARM1 <PLS > IWATER variable monthly parameter value flags *** # - # CSNO RTOP VRS VNN RTLI *** END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN END IWAT-PARM3 IWAT-STATEI <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS END IWAT-STATEI GWVS 0 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 21 END IMPLND SCHEMATIC <-Source-> <Name> # Basin 1*** PERLND 11 PERLND 11 ******Routing****** END SCHEMATIC <--Area--> <-Target-> MBLK <-factor-> <Name> # Tbl# 2.99 COPY 501 12 2.99 COPY 501 13 NETWORK <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** COPY 501 OUTPUT MEAN 1 1 48.4 DISPLY 1 INPUT TIMSER 1 <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** END NETWORK RCHRES GEN-INFO RCHRES Name Nexits Unit Systems Printer *** # - #<------------------ >< --- > User T-series Engl Metr LKFG *** in out *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT -INFO <PLS > ***************** Print -flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* END PRINT -INFO HYDR-PARM1 RCHRES Flags for each HYDR Section *** # - # VC Al A2 A3 ODFVFG for each *** ODGTFG for each FUNCT for each FG FG FG FG possible exit *** possible exit possible exit * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------ ><-------- ><-------- ><-------- ><-------- ><-------- ><-------- > *** END HYDR-PARM2 HYDR-INIT RCHRES Initial conditions for each HYDR section *** # - # *** VOL Initial value of COLIND Initial value of OUTDGT *** ac-ft for each possible exit for each possible exit <------ ><-------- > <--- ><--- ><--- ><--- >< --- > *** <--- ><--- ><--- ><--- >< --- > END HYDR-INIT END RCHRES SPEC -ACTIONS END SPEC -ACTIONS FTABLES END FTABLES EXT SOURCES <-Volume-> <Member> SsysSgap<--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # tem strg<-factor->strg <Name> # # <Name> # # *** WDM 2 PREC ENGL 1 PERLND 1 999 EXTNL PREC WDM 2 PREC ENGL 1 IMPLND 1 999 EXTNL PREC 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 22 WDM 1 EVAP ENGL 0.76 PERLND 1 999 EXTNL PETINP WDM 1 EVAP ENGL 0.76 IMPLND 1 999 EXTNL PETINP END EXT SOURCES EXT TARGETS <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Volume-> <Member> Tsys Tgap Amd *** <Name> # <Name> # #<-factor->strg <Name> # <Name> tem strg strg*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL END EXT TARGETS MASS -LINK <Volume> <-Grp> <-Member-><--Mult-=> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** MASS -LINK 12 PERLND PWATER SURO 0.083333 COPY INPUT MEAN END MASS -LINK 12 MASS -LINK 13 PERLND PWATER IFWO 0.083333 COPY INPUT MEAN END MASS -LINK 13 END MASS -LINK END RUN 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 23 Mitigated UCI File RUN GLOBAL WWHM4 model simulation START 1948 10 01 END 2009 09 30 RUN INTERP OUTPUT LEVEL 3 0 RESUME 0 RUN 1 UNIT SYSTEM 1 END GLOBAL FILES <File> <Un#> <----------- File Name ------------------------------ >*** <-ID-> *** WDM 26 18260 - drainage to RDF.wdm MESSU 25 Mit18260 - drainage to RDF.MES 27 Mit18260 - drainage to RDF.L61 28 Mit18260 - drainage to RDF.L62 30 POC18260 - drainage to RDF1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 17 IMPLND 11 RCHRES 1 COPY 1 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title--------- 1 Trapezoidal Pond 1 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 END TIMESERIES END COPY GENER OPCODE # # OPCD *** END OPCODE PARM # # K *** END PARM END GENER PERLND GEN-INFO <PLS ><------- Name ------- >NBLKS 17 C, Lawn, Mod 1 END GEN-INFO *** Section PWATER*** >***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND MAX 1 2 30 9 Unit -systems Printer *** User t-series Engl Metr *** in out *** 1 1 1 27 0 ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC *** 17 0 0 1 0 0 0 0 0 0 0 0 0 END ACTIVITY PRINT -INFO <PLS > ***************** Print -flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 24 17 0 0 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT -INFO PWAT-PARM1 <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** 17 0 0 0 0 0 0 0 0 0 0 0 END PWAT-PARM1 PWAT-PARM2 <PLS > PWATER input info: Part 2 *** # - # ***FOREST- LZSN INFILT LSUR SLSUR KVARY AGWRC 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 0.1 0.25 0.25 6 0.5 0.25 END PWAT-PARM4 PWAT-STATEl <PLS > *** Initial conditions at start of simulation ran from 1990 to end of 1992 (pat 1-11-95) RUN 21 *** # - # *** CEPS SURS UZS IFWS LZS AGWS GWVS 17 0 0 0 0 2.5 1 0 END PWAT-STATEI END PERLND } IMPLND GEN-INFO <PLS ><------- Name ------- > Unit -systems Printer *** # - # User t-series Engl Metr *** in out *** 11 PARKING/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 11 0 0 1 0 0 0 END ACTIVITY PRINT -INFO <ILS > ******** Print -flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 11 0 0 4 0 0 0 1 9 END PRINT -INFO IWAT-PARMl <PLS > IWATER variable monthly parameter value flags *** # - # CSNO RTOP VRS VNN RTLI *** 11 0 0 0 0 0 END IWAT-PARMl IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 11 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 25 # - # ***PETMAX PETMIN 11 0 0 END IWAT-PARM3 } IWAT-STATEI <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 11 0 0 END IWAT-STATEI END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** Basin 1*** PERLND 17 0.3 RCHRES 1 2 PERLND 17 0.3 RCHRES 1 3 IMPLND 11 1 RCHRES 1 5 ******Routing****** PERLND 17 0.3 COPY 1 12 IMPLND 11 1 COPY 1 15 PERLND 17 0.3 COPY 1 13 RCHRES 1 1 COPY 501 16 END SCHEMATIC NETWORK <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** COPY 501 OUTPUT MEAN 1 1 48.4 DISPLY 1 INPUT TIMSER 1 <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** 1 <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** END NETWORK RCHRES GEN-INFO RCHRES Name Nexits Unit Systems Printer *** # - #<------------------ >< --- > User T-series Engl Metr LKFG *** in out *** 1 Trapezoidal Pond-009 1 1 1 1 28 0 1 END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** 1 1 0 0 0 0 0 0 0 0 0 END ACTIVITY PRINT -INFO <PLS > ***************** Print -flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 1 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT -INFO HYDR-PARM1 RCHRES Flags for each HYDR Section *** # - # VC Al A2 A3 ODFVFG for each *** ODGTFG for each FUNCT for each FG FG FG FG possible exit *** possible exit possible exit * * * * * * * * * * * * * * *** 1 0 1 0 0 4 0 0 0 0 0 0 0 0 0 2 2 2 2 2 END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------ ><-------- ><-------- ><-------- ><-------- ><-------- ><-------- > *** 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 26 1 1 0.01 0.0 0.0 END HYDR-PARM2 HYDR-INIT i RCHRES Initial conditions for each HYDR section # - # *** VOL Initial value of COLIND *** ac-ft for each possible exit <------ ><-------- > <--- ><--- ><--- ><--->< --- > *** 1 0 4.0 0.0 0.0 0.0 0.0 END HYDR-INIT END RCHRES SPEC -ACTIONS END SPEC -ACTIONS FTABLES FTABLE 1 91 4 Depth Area Volume Outflowl (ft) (acres) (acre-ft) (cfs) 0.000000 0.001607 0.000000 0.000000 0.133333 0.001846 0.000230 0.006663 0.266667 0.002098 0.000493 0.009423 0.400000 0.002364 0.000791 0.011540 0.533333 0.002642 0.001124 0.013326 0.666667 0.002933 0.001496 0.014898 0.800000 0.003238 0.001907 0.016320 0.933333 0.003555 0.002360 0.017628 1.066667 0.003886 0.002856 0.018845 1.200000 0.004230 0.003397 0.019988 1.333333 0.004586 0.003985 0.021070 1.466667 0.004956 0.004621 0.022098 1.600000 0.005339 0.005308 0.023081 1.733333 0.005735 0.006046 0.024023 1.866667 0.006144 0.006838 0.024930 2.000000 0.006566 0.607685 0.025805 2.133333 0.007001 0.008589 0.026651 2.266667 0.007449 0.009553 0.027471 2.400000 0.007910 0.010577 0.028268 2.533333 0.008384 0.011663 0.029042 2.666667 0.008872 0.012813 0.029797 2.800000 0.009372 0.014030 0.030533 2.933333 0.009885 0.015313 0.031251 3.066667 0.010412 0.016667 0.031954 3.200000 0.010951 0.018091 0.032641 3.333333 0.011504 0.019588 0.033314 3.466667 0.012070 0.021159 0.033974 3.600000 0.012648 0.022807 0.034621 3.733333 0.013240 0.024533 0.035256 3.866667 0.013845 0.026339 0.035880 4.000000 0.014463 0.028226 0.036494 4.133333 0.015094 0.030196 0.037097 4.266667 0.015738 0.032252 0.037690 4.400000 0.016395 0.034394 0.038275 4.533333 0.017065 0.036625 0.038850 4.666667 0.017748 0.038946 0.039418 4.800000 0.018444 0.041358 0.039977 4.933333 0.019154 0.043865 0.040528 5.066667 0.019876 0.046467 0.041072 5.200000 0.020612 0.049166 0.041609 5.333333 0.021360 0.051964 0.042139 5.466667 0.022122 0.054863 0.042663 5.600000 0.022896 0.057864 0.043180 5.733333 0.023684 0.060970 0.043691 5.866667 0.024485 0.064181 0.044196 6.000000 0.025298 0.067500 0.044695 6.133333 0.026125 0.070928 0.045189 6.266667 0.026965 0.074467 0.045678 J 6.400000 0.027818 0.078119 0.046161 6.533333 0.028684 0.081886 0.046639 6.666667 0.029563 0.085769 0.047113 6.800000 0.030455 0.089771 0.054972 0.5 0.0 *** Initial value of OUTDGT for each possible exit <--- ><--- ><--- ><--- >< --- > 0.0 0.0 0.0 0.0 0.0 Velocity Travel Time*** (ft/sec) (Minutes)*** 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 27 i 6.933333 0.031361 0.093892 0.067312 7.066667 0.032279 0.098134 0.074731 7.200000 0.033210 0..102500 0.080652 7.333333 0.034155 0-106991 0.085757 7.466667 0.035112 0.111609 0.090325 7.600000 0.036083 0.116356 0.094508 7.733333 0.037066 0.121232 0.102192 7.866667 0.038063 0.126241 0.109712 8.000000 0.039073 0.131383 0.115656 8.133333 0.040095 0.136661 0.120935 8.266667 0.041131 0.142076 0.125791 8.409000 0.042180 0.147630 0.130336 8.533333 0-.043242 0.153325 0.134635 8.666667 0.044317 0.159162 0.138732 8.800000 0.045405 0.165144 0.142658 8.933333 0.046506 0.171271 0.146436 9.066667 0.047620 0.177546 0.150084 9.200000 0.048747 0.183971 0.153615 9.333333 0.049888 0.190546 0.157043 9,466667 0.051041 0,197275 0.160376 9.600000 0.052208 0..204158 0.163623 9.733333 0.053387 0.211198 0.166791 9.866667 0.054580 0.218396 0.169885 10.00000 0.055785 0.225753 0.172912 10.13333 0.057004 0.233272 0.175876 10.26667 0.058235 0.240955 0.178780 10.40000 0.059480 0.248803 0.181630 10.53333 0.060738 0.256817 0.184427 10.66667 0.062009 0.265000 0.187175 10.80000 0.063293 0.273354 0.189877 10.93333 0.064590 0.281879 0.192535 11.06667 0.065900 0.290579 0.468847 11.20000 0.067223 0.299454 1.602192 11.33333 0.068559 0.308506 3.082786 11.46667 0.069909 0.317737 4.528796 11.60000 0.071271 0.327149 5.606458 11.73333 0.072646 0.336743 6.221662 11.86667 0.074035 0.346522 6.807405 12.00000 0.075436 0.356487 7.299117 END FTABLE 1 END FTABLES EXT SOURCES <-Volume-> <Member> SsysSgap<--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # tem strg<-factor->strg <Name> # # <Name> # # *** WDM 2 PREC ENGL 1 PERLND 1 999 EXTNL PREC WDM 2 PREC ENGL 1 IMPLND 1 999 EXTNL PREC WDM 1 EVAP ENGL 0.76 PERLND 1 999 EXTNL PETINP WDM 1 EVAP ENGL 0.76 IMPLND 1 999 EXTNL PETINP END EXT SOURCES EXT TARGETS <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Volume-> <Member> Tsys Tgap Amd *** <Name> # <Name> # #<-factor->strg <Name> # <Name> tem strg strg*** RCHRES 1 HYDR RO 1 1 1 WDM 1004 FLOW ENGL REPL RCHRES 1 HYDR STAGE 1 1 1 WDM 1005 STAG ENGL REPL COPY 1 OUTPUT MEAN 1 1 48.4 WDM 701 FLOW ENGL REPL COPY 501 OUTPUT MEAN 1 1 48.4 WDM 801 FLOW ENGL REPL END EXT TARGETS MASS -LINK <Volume> <-Grp> <Name> MASS -LINK PERLND PWATER END MASS -LINK <-Member-><--Mult--> <Name> # #<-factor-> 2 SURO 0.083333 2 MASS -LINK 3 PERLND PWATER IFWO 18260 - drainage to RDF 0.083333 <Target> <Name> RCHRES RCHRES 2/21/2018 3:37:03 PM <-Grp> <-Member->*** <Name> # #*** INFLOW IVOL INFLOW IVOL Page 28 END MASS -LINK 3 MASS -LINK 5 IMPLND IWATER SURO 0.083333 RCHRES INFLOW IVOL END MASS -LINK 5 MASS -LINK 12 PERLND PWATER SURO 0.083333 COPY INPUT MEAN END MASS -LINK 12 MASS -LINK 13 PERLND PWATER IFWO 0.083333 COPY INPUT MEAN END MASS -LINK 13 MASS -LINK 15 IMPLND IWATER SURO 0.083333 COPY INPUT MEAN END MASS -LINK 15 MASS -LINK 16 RCHRES ROFLOW COPY INPUT MEAN END MASS -LINK 16 END MASS -LINK END RUN 18260 - drainage to RDF 2/21 /2018 3:37:03 PM Page 29 Disclaimer Legal Notice This program and accompanying documentation are provided 'as -is' without warranty of any kind. The entire risk regarding the performance and results of this program is assumed by End User. Clear Creek Solutions Inc. and the governmental licensee or sublicensees disclaim all warranties, either expressed or implied, including but not limited to implied warranties of program and accompanying documentation. In no event shall Clear Creek Solutions Inc. be liable for any damages whatsoever (including without limitation to damages for loss of business profits, loss of business information, business interruption, and the like) arising out of the use of, or inability to use this program even if Clear Creek Solutions Inc. or their authorized representatives have been advised of the possibility of such damages. Software Copyright © by : Clear Creek Solutions, Inc. 2005-2018; All Rights Reserved. Clear Creek Solutions, Inc. 6200 Capitol Blvd. Ste F Olympia, WA. 98501 Toll Free 1(866)943-0304 Local (360)943-0304 www.clearcreeksolutions.com 18260 - drainage to RDF 2/21/2018 3:37:03 PM Page 32 Infiltration Gallery Calculation PRELIMINARY DEVELOPED BASIN MAP T-W A 11 O O O r 0 O 0 0 O O AI O 0 0 O d d Q m o W W 3 m m> Q o It Ir CD L L L La L 'L L L L L L L L L L o p r L > d � c � I N d U 0 m m e o m C1 •" � m C a m CZ arms U] LL rc SJ1 " I O N m '� p a� rc N fJ'I I.!S al N N LL. N m to i N 5aj i N o m L d 'Id ? 1 3 J J ? of c m li 3 3 Y al W m IL ,N O Q:� 1 LL Q is Q Q a a d Q d J U U L;u U U U L1 ul cn N C lC a ; L L L L L L L L L L L L L L L L L L L L L &} C4 U- -� 1 0 A 0 T °° �o TT � ' L] N r sa TTT t ^ _ LLL G ❑ 6-i L 5 TTT T LL G o L N P P V OC L n a o E 61 `y r c.i �i ? _o cz I- O_ a� cc z O Z r U7 c TT o 00 o, V L Z LL� P m 11-6 ry LiO C d fn @ I.--s ^ T ,_,3CDP U C lff L y 5 0 c y ��� c ,2T s E m o o ❑ J s s Y O c= m sn ~ m? p o o U U O U O O S O S O Q _ LL `v 6 .G � 0 0 6 (L F ti W ro J � a`r a`� cc m m m m m E J J J J J J o o C M 0= 7 r r tr L' EA u E If] rI n Ill W O O N O" r, O m m rl m m r v O N n rl v O 4 N n *4 O m w n N w O 0 ,L 10 1D n a O r1 1a m 0 N 0 m w r m 4 r r H o w ON m m n w N O 0 Vq e�com.i.i mror�oraoroMaomvnay.ilomNwaN,o.�Mo.�� F M a F IO IO N O N n w n a r a V' M 00 n M n m F 1! 00 O n n F rl N n 0 w' m 0 rl rl N m a rl rl 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 M 0 0 0 r1 O O O O O rl 07 41 y b b y y, �qq a O rl N M a n ,D F 00 a O ,-i N M v Ln W r 0 a O .-i N m a to ID I Id Id m a m a a a a an a a a a a a a a a a a a a a a a a a a a n 44 On OO .�,-I .i rI A,414 .a.4.a H.a .4.4.a ,4.a.4 .i ,-.4.4 ,4 H r4 .4 d rl. — eantilNp.-I 2 n CD Z3 U co S li Water Quality Calculations PRELIMINARY WATER QUALITY BASIN MAP T-50' A a � APE f rn g a 3 r� s n n I d U d d o 0 0 0 0 0 o a o a a o 0 0 3 N CL U to (L a~ 0 a tr t `L ap Q Q QQ J J 0 Lo L7 '0 m L lC N In fn W > `,t `f! Y Y ]L J O LL Gj d j o o o n oc ¢¢ a a a °Ca o o d m of m d o 0 o in n n a d a LL a m L L L L? L. L L L L L L L L L L � o d U Q 0) N 'C � dZ , d 'od •N � a' 1 L 0 LL .r2 Ill O r a a a 5 u7 �r S m d s: LL LL a d a m m 6 1 w nd aaaaaQaQ��uu�.��,;Ln� m ui m m LL d I� d 1* a a N L LLLL LL�-LL LLLLL1'LLLLL cn z m m m a a a -I � I I N , r _ m EL y �. �a[in a Mal u N x r 0- do 7M 16 J13 U N a c E J r 7 Q { k 01 W � w dL w w o m � 3 Lm J r N J ~ ~ J 0 Q O O # �mmm LL cn u2 2 2 u O MM C7 ❑ d mm r ONO m O O O 0 N 0 m m O m r � S m U � N li m �N C C 0 J 3 U U' r,i t'. �... L L. m O a NI -I a U a G ¢ r z 0 V W z z O H O LL Z_ F w O w z a O u w u C u V O O IL IL w 2 O 2 } m ¢ lt� ltf 6 Q m N N CK1 4 ib x x v 4 �T O l!'1 CD x a Ln o m 00 v Cm �o N � m N N N N CY) [P 4l QD O O O O O O O O O O O � e ct� t� ct� $ 4� 4� ct� lt� ct� Ln lm0 I� N N Om 6n �n F, m Gl eo Nx Nx N 00 00 a) m M 'U2 I� 61 N C? 09 O O V N N V q V V V 1� 10 W 6 W W J J J J J J J J J J J N N N U d 61 Q'O 0 0 U. 0 o a. o O D r 0 O C. o EL C7 y o o a qo w o w a ~ a a s L y�2 w } } Y !^�� i p is .�0 0 0LL w w aZ a L LL:'-LLLLLLD LLLL c. I.. I m L.1 6] u-Q O 4 a: OO.. D OC7 4 P O 0 Q Q Q d _ N U7 C 7 O 61 C y ry i3 d N Z ld 47 - rN� gp {3ti v!E' ii cn u �} 3 1.1 N g I 8 24y W W o 'D N rn C m O Q LL li ti li O4: 4. �. $ - ��nn ��++ �aa ��aa ��nn �u li 2 0.FL d J .r a 4 d d d d d a 0c3 ci ti c3 U u u e�i. u`S cr —a o o 0 0 LL L L- L L- L- L L L L L L L L L L LL L L L ;� o ICY w 0AMR CV ® Q m � � E o P 0 �l mil El •et 1 r N r r» C3 hod caMm r � � c7 c7 r-5 9§9 F 1 l�•y.. Fi JL II li" i C a W z 0 lJ LA W Z Z O H O LL Z H Wti W d W z Z Q a O u LA W u C w ull Ln L O 0 0 M a W O 2 c ru UE 0 W S Lrl n d n O M lDD � O O O O O C O O O m n N M Ln O �o n a, ID d iO o� m �n m x x x N x x x x x x v v ;zr ;it v c a n V �D 0? M i11 n 61 N op d d d J J J J J J J J J Z O N O c0 x 00 09 lD N n m CCi Lq a O O O O t� llt� t� lt� N N O fN O Ln N N m N iD in N N X X X X 00 60 Q1 iT N D O d 00 OJ 00 00 J J J J LA kA LA kA Ce) /7 V C G M ® f III I f d �1 T.C. O O O P P 11OL O P tl � y U y 7 o 7 O V' N n a c o C r r o W p car w w s p L E L r o s �� � W � N N fil `�', � � N l o a a a a is a c- m L 0 0 0 w w 3�3 Y o .o iu j o 0 0 0¢¢¢ 5 9 a o`o N N a d 6 � i o L L Llil L L. L L L L ML- L L L L � ` P O. O Q O P 0 0 0 0 0 0 O •P O � P P O- O� Q Q Q 67 d Ml co 67 c N 7 O_ z n p N � P a: � d � i r � aj � � N 7S � � �r ii2 Q� fiR u1 ri �4 �9 La m S l77i Lt li O N 4 Q Q �i LsW tj L1 t C.� U M co N ��LLLLLLLLLLLL LL LLLL� o !I� a I i N 1 s U El ❑ Im WED a- A E o I > '�' 0 U- c� ®6 c U V W d NJ m L2 q 0 '0 N m N O l0 N N m Ln . v 0 m 'a tr m d' QD r" m 0 0 0 0 0 0 0 0 0 0 0 0 0 0 d Q Q a & & F F a 6 6 0 a m N O N N m U1 N N m c} I i0 co T N c71 � � N N x x x x x x x x x x x x x x 60 60 6% m J J J J J J J J J J o0 W J J ?J >J 5.0 CONVEYANCE SYSTEM ANALYSIS AND DESIGN This conveyance analysis will be completed with the final engineering plans. Per Core Requirement #4, the proposed conveyance system must have adequate capacity to convey and contain the 25-year peak flow and may overtop larger flow events so long as the flooding does not create or aggravate a severe flooding or erosion problem. Unless directed otherwise during the preliminary submittal, we will use StormShed3G to perform the conveyance analysis. StormShed3G allows for the analysis and modeling of conveyance systems using an SBUH and other methodologies. 18260.003.doc Conveyance Calculations TO BE PROVIDED WITH FINAL DESIGN PLANS 6.0 SPECIAL REPORTS AND STUDIES The following special reports and studies have been prepared for this project and submitted to the City as separate documents: 6.1 Geotechnical Engineering Report by GeoResources dated April 24, 2017 6.2 Critical Areas Memo by Talasaea Consultants Inc. dated February 13, 2017 16260.003.doc 6.1 Geotechnical Engineering Report by GeoResources dated April 24, 2017 G EO RESO U RCES earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1 253.896.1011 1 www.georesources.rocks CPSG Self Storage Facility XII, LLC and/or assigns c/o Crystal Peaks Development Services, LLC 15115 NE 6711 PL Redmond, Washington 98052 (844) 622-5556 Attn: Mr. Joseph Strobele jstrobele@cp-investments.com April 24, 2017 Geotechnical Engineering Report Proposed Storage Facility 35200 & 35204 Pacific Highway S Federal Way, Washington PN: 29210490-48 , -46 & -53 Doc ID: CPS GSeIfStorage FacXII.S352"dSt.RG INTRODUCTION This geotechnical report summarizes our site observations, subsurface explorations, and engineering analyses and provides geotechnical recommendations and design criteria for the proposed storage facilities to be located at the intersection of South 352"d Street and Pacific Highway South in Federal Way, Washington. The site location is shown on the Site Location Map, included as Figure 1. Our understanding of the project is based on our conversations with you, our review of the provided site survey dated December 27, 2016, our understanding of the City of Federal Way development codes, and our experience in the area. We understand that you propose to construct a new storage facility at the site. We anticipate that the proposed facility will be a one or two story, metal structure founded on conventional shallow foundations. In addition to the self -storage facility buildings, we understand that the site development will include typical utilities, infiltration gallery, and paved parking lot. A copy of the proposed Site Plan is attached as Figure 2a. SCOPE The purpose of our services is to evaluate the surface and subsurface conditions across the site as a basis for providing geotechnical recommendations and design criteria for the proposed development. Specifically, the scope of services for this project will include the following: 1. Reviewing the available geologic, hydrogeologic, and geotechnical data for the site area; 2. Exploring subsurface conditions across the site by excavating a series of 8 to 10 test pits at select locations on the site; CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 Page 12 3. Describing surface and subsurface conditions, including soil type, depth to groundwater, and an estimate of seasonal high groundwater levels; 4. Providing geotechnical conclusions and recommendations regarding site grading activities, including site preparation, subgrade preparation, fill placement criteria, suitability of on -site soils for use as structural fill, temporary and permanent cut and fill slopes, drainage and erosion control measures; 5. Providing conclusions regarding shallow foundations and floor slab support and design criteria, including bearing capacity and subgrade modulus if appropriate. 6. Providing our opinion about the feasibility of onsite infiltration, including a preliminary design infiltration rate based on grain size data per the 2016 King County Stormwater Design Manual, if applicable; 7. Providing recommendations for erosion and sediment control during wet weather grading and construction; and 8. Preparing a written Preliminary Geotechnical and Design Report summarizing our site observations and conclusions, and our geotechnical recommendations and design criteria, along with the supporting data. The above scope of work was summarized in our Proposal for Geotechnical Engineering Services dated January 20, 2017. We received authorization on from you on February 7, 2016. SITE CONDITIONS Surface Conditions The proposed storage facility is located within an area of existing commercial and infrastructure development. The project site consists of three tax parcels that, when combined, are generally irregular in shape, measure approximately 140 to 610 feet deep (east to west) by 300 to 635 feet wide (north to south), and encompass about 5.19 acres. The site is bounded by commercial development to the north, east, south, and by Pacific Highway South to the west. The site generally slopes down towards the south and west. The western portion of the site is generally flat and slopes to the southwest at inclinations of 1 to 2 percent. The eastern portion of the site is hummocky and gently slopes down to the southwest at approximately 2 to 4 percent. Total topographic relief across the site is on the order of 25 feet. The existing site topography is shown on the Site and Exploration Plan, Figure 2b. The western portion of the site has been cleared and is mostly covered in gravel surfacing as a staging lot for improvements along Pacific Highway South. The eastern portion of the site has been mostly cleared. No evidence of slope instability or soil movement was observed at the site at the time of our site visit. No evidence of standing water, seeps, or springs was observed on the site. Site Soils The Natural Resource Conservation Survey (NRCS) Web Soil Survey maps the site as being underlain by Everett-Alderwood gravelly sandy loam (EwQ soils, urban land (Ur), and Kitsap Silt Loam (KpB). The Everett-Alderwood soils are derived from glacial outwash and basal till, form on slopes of 6 to 15 percent, have a "slight" to "moderate" erosion hazard when exposed, and are included in hydrologic soils group A/B. The Kitsap soils are derived from Lacustrine deposits, form on slopes of 2 GEORESOURC FS CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 13 to 8 percent, have a "slight" to "moderate" erosion hazard when exposed, and are included in the hydrologic soils group C. The NRCS soils map is included as Figure 3. Site Geology The Geologic Map of the Poverty Bay 7.5-minute Quadrangle, Washington (Booth, Troost, Waldron, 2003) maps the site as being underlain by Vashon glacial till (Qvt), The glacial till soils were deposited during the Vashon Stade of the Fraser Glaciation, approximately 12,000 to 15,000 years ago. The till generally consists of a heterogeneous mixture of gravel, sand, silt, and clay that was deposited at the base of the advancing continental ice mass and were subsequently overridden. As such, glacial till is considered to be over consolidated and generally has high strength and low compressibility characteristics where undisturbed. An excerpt of the above referenced geologic map is included as Figure 4. No evidence of deep seated erosion or other active landslide activity was observed at the time of our site visit. No areas of landslide deposits or mass wasting are noted on the referenced map within the immediate vicinity of the site. Subsurface Explorations On March 14, 2017, a field engineer from GeoResources, LLC was on site and monitored the excavation of 8 test pits to depths of 6 to 14 feet below the existing ground surface. We returned on April 7, 2017 to monitor the excavation of 4 supplemental test pits excavated within the proposed infiltration gallery footprint. Our supplemental test pits extended to depths of 10'/z to 15 feet. The number and approximate locations of our explorations are shown on the Site and Exploration Plan, Figure 2. The soils encountered were visually classified in accordance with the Unified Soil Classification System (USCS) and ASTM D: 2488. The USCS is included in Appendix A as Figure A-1, while the descriptive logs of our test pits are included as Figures A-2 through A-6. Table 1, below, summarizes the approximate functional locations, surface elevations, and termination depths of our test pits. GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 14 TABLE 1: APPROXIMATE LOCATIONS, ELEVATIONS, AND DEPTHS OF EXPLORATIONS Test Pit Number Functional Location Surface Elevation' (feet) Termination Depth (feet) Termination Elevation' (feet) TP-1 Center of temporary construction yard 232 9 223 TP-2 SE corner of site 240 8Y2 231'/2 TP-3 NE corner of site 242 6 236 TP-4 Center of Parcel B proposed building 240 7Y2 232Y2 TP-5 Southern portion of Parcel A 226 13 213 TP-6 SW corner of construction yard 228 12Y2 215Y2 TP-7 Northern portion of Parcel A 228 14 214 TP-8 NW corner of site 236 13'/2 222'/2 TP-9 South-central portion of Parcel A 225 15 210 TP-10 Southern portion of Parcel A 225 10'/2 2141h TP-11 SW corner of construction yard 235 12Y2 222Y2 TP-12 Northern portion of Parcel A 1 232 14 1 218 Notes: 1 = Site plan prepared by Barghausen Engineering using datum: NGVD 29 The specific number, locations, and depths of our explorations were selected by GeoResources personnel based on the configuration of the proposed development and were adjusted in the field based on site access limitations and encountered stratigraphy. Our field geologist continuously monitored the explorations, maintained logs of the subsurface conditions encountered, obtained representative soil samples, and observed pertinent site features. Representative soil samples obtained from the explorations were placed in sealed plastic bags and taken to a laboratory for further examination and testing as deemed necessary. Each test pit was then backfilled with the excavated soils and bucket tamped in place, but not otherwise compacted. The subsurface explorations excavated as part of this evaluation indicate the subsurface conditions at specific locations only, as actual subsurface conditions can vary across the site. Furthermore, the nature and extent of such variation would not become evident until additional explorations are performed or until construction activities have begun. Based on our experience in the area and extent of prior explorations in the area, it is our opinion that the soils encountered in the explorations are generally representative of the soils at the site. The soils encountered were visually classified in accordance with the Unified Soil Classification System (USCS) and ASTM D: 2488. The USCS is included in Appendix A as Figure A-1. The approximate locations of our test pits are indicated on the attached Site and Exploration Plan, Figure 2, while the descriptive logs of our test pits are included as Figure A-2. Subsurface Conditions Our test pits encountered variable subsurface conditions. Test pits in the eastern, recently cleared portion of the site encountered about 0 to 1Y2 feet of topsoil and/or fill overlying about 2 to 8 feet of mottled tan to grey silt and silty sand that appeared to be in a medium dense, moist condition. We interpret these upper gravelly soils as undocumented fill material. Below the fill material, our test GEORESOUPC ES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 15 pits encountered a grey or brown gravelly sand that was in a medium dense to very dense condition, moist condition to the full depth explored. We interpret these lower soils as glacial till. The test pits on the western portion of the site generally encountered about'/2 to 1 foot of topsoil overlying about 3'/2 to 5 feet of tan silty sand that appeared to be in a medium dense, moist condition. We interpret these upper soils as weathered glacial till. Below the weathered till soils, our test pits encountered grey gravelly sand/sandy gravel with cobbles in a generally medium dense to dense and moist condition. We interpret this deeper granular soil to be advance outwash. The outwash was encountered to the full depth explored in test pits TP-1 through TP-4 and TP-9 through TP-12. In test pits TIP-8, the weathered till was underlain by a silty sand/sandy silt that was interpret to be a unweathered glacial till. One of our test pits encountered fill to the full depth explored, which we interpret as being caused by previous grading activities onsite and the fill of previous hummocky site features or finger drainage channels to the wetlands to the southeast of the site. Table 2 summarizes the approximate thicknesses, depths, and elevations of selected soil layers. TABLE 2: APPROXIMATE THICKNESS, DEPTHS, AND ELEVATION OF SOIL TYPES ENCOUNTERED IN EXPLORATIONS Test Pit Number Thickness of Topsoil (feet) Thickness of Fill (feet) Thickness of Weathered Till (feet) Thickness of Glacial Till (feet) Elevation' to Top of Advance Outwash (feet) Elevation' of Top of Advanced Outwash (feet) TP-1 0 6'/2 0 0 6'/2 225'/2 TIP-2 0 1 5 0 6 236 TIP-3 '/2 0 2 0 2'/2 239'/2 TIP-4 1'/4 0 43/4 0 6 234 TIP-5 1 8'/2+ 3%2+ N/E N/E N/E TP-6 1 11 Y2+ N/E N/E N/E N/E TP-7 1 8+ 5+ N/E N/E N/E TP-8 '/2 9 1 3+ N/E N/E TIP-9 0 10'/2 0 0 10'/2 214'/2 TP-10 '/4 13/4 0 0 2 223 TP-11 1 0 7 0 8 227 TP-12 1 1 0 1 8 0 9 223 Notes: 1 = Site plan prepared by Barghausen Engineering using datum: NGVD 29 N/E = not encountered within depth explored Laboratory Testing Geotechnical laboratory tests were performed on select samples retrieved from the test pits to determine soil index and engineering properties encountered. Laboratory testing included visual soil classification per ASTM D: 2488, moisture content determinations per ASTM D: 2216, and grain size analyses per ASTM D: 422 standard procedures. The results of the laboratory tests included in Appendix B, and summarized below in Table 3. GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 16 TABLE 3: LABORATORY TEST RESULTS Sample Lab ID Number Gravel Content ( ercent) Sand Content (percent) Fines Content (percent) D10 Ratio (mm) TP-1, S-1, 3%2' 092559 16.5 24.4 59.4 ND TP-1, S-2, 8'/z' 092561 56.7 29.5 13.8 ND TP-2, S-1, 1'/2' 092562 0.2 9.5 90.3 ND TP-2, S-2, 8'/2' 092563 50.2 41.7 8.1 0.13 TP-8, S-1, 10' 092564 0.2 68.9 30.9 ND TP-8, s-2, 13%2' 092565 0.0 27.7 72.3 ND TP-9, S-1, 10' 092590 67.4 27.3 5.3 0.23 TP-9, S-2, 14' 092591 41.9 54.6 3.5 0.43 TP-10, S-2, 11'/2' 092592 48.7 47.6 3.7 0.29 TP-11, S-2, 11' 092593 0.8 96.8 2.4 0.15 TP-12, S-1, 14' 092594 56.2 40.9 2.9 0.46 ND = Not Determined Groundwater Conditions Groundwater seepage was observed from the lower portions of the undocumented fill soils. We interpret the observed seepage as indicative of perched groundwater. Perched groundwater typically develops when the vertical infiltration of precipitation through a more permeable soil is slowed at depth by a deeper, less permeable soil type, such as glacial till. We anticipate fluctuations in the local groundwater levels will occur in response to precipitation patterns, off -site construction activities, and site utilization. Below, Table 4 summarizes our depth to and elevation of groundwater encountered in our test pits. TABLE 4: ❑nnrnvimnto r)Pnncc and IFlPvatinnc of Grnunrlwater Encountered in Exolorations Test Pit Number Depth to Groundwater (feet) Elevation' of Groundwater (feet) Date Observed TP-2 3'/2 2361/2 ATD (March 14, 2017) TP-4 3 237 ATD (March 14, 2017) TP-6 0 & 4 228 & 224 ATD (March 14, 2017) TP-7 6 222 ATD (March 14, 2017) TP-8 1 6 1 230 ATD (March 14, 2017) Notes: 1 = Site plan prepared by Barghausen Engineering using datum: NGVD 29 ATD = At time of di in GEORESOURCES CPSG Self Storage Facility XI I, LLC.S352ndSt.RG April 24, 2017 page 17 ENGINEERING CONCLUSIONS AND RECOMMENDATIONS Based on the results of our data review, site reconnaissance, subsurface explorations and our experience in the area, it is our opinion that the site is suitable for the proposed development, provided the conclusions and geotechnical recommendations regarding the design and construction of the proposed development presented below are included into the project plans. It is our opinion that onsite infiltration of stormwater runoff generated by the proposed development is feasible from a geotechnical standpoint, provided verification tests confirm infiltration rates during construction. Erosion Hazard Areas per Federal Way Revised Code The City of Federal Way code defines erosion hazard areas as "those areas having a "severe" or "very severe" erosion hazard due to natural agents such as wind, rain, splash, frost action or stream flow." The site soils are mapped as EwC and KpB which have a "slight to moderate" erosion hazard when exposed, and therefore do not meet the definition of an erosion hazard area. Conventional construction BMP's should be installed prior to beginning construction. This should provide adequate erosion control for the disturbed areas of the site. It is critical that the installed erosion control measures be monitored, maintained, and, if necessary, modified based on changing site conditions. In the event that the site is not worked for 7 days or more, the disturbed areas should be adequately protected and maintained. This may include the use of plastic sheeting or mulching over exposed soils. Erosion control should specifically include the installation of silt fencing along the downslope and side slopes of the active construction area. Straw waddles and berms may also be necessary. We have not been provided with a copy of the proposed Temporary Erosion and Sediment Control (TESC) plan at this time; however, provided standard BMP's are installed prior to beginning construction, the potential for erosion or sediment leaving the site should be minimal. Foundation Support We recommend that spread footings be founded on the medium dense weathered till soils, the very dense glacial till soils, or on structural fill that extends to suitable native soils. The native soil at the base of the excavations should be disturbed as little as possible. All loose, soft or unsuitable material should be removed or recompacted, as appropriate. The uncontrolled fill encountered across portions of the site should be removed from within the building footprint and replaced by structural fill. Overexcavation depths of more than 11 feet may be required. Overexcavation should extend laterally out 1-foot for every 1-foot of vertical overexcavation. The overexcavation should be backfilled with structural fill as described below in the "Structural Fill" section of this report. If Control Density Fill (CDF) is used as backfill, the lateral overexcavation can be limited to 1-foot on each side of the footing. All footing elements should be embedded at least 18 inches below grade for frost protection. We recommend a minimum width of 24 inches for isolated footings and at least 16 inches for continuous wall footings. Footings founded on properly placed and compacted structural fill or firm and unyielding the native soils may be designed to exert a maximum allowable bearing pressure of 2,500 psf (pounds per square foot) for combined dead and long-term live loads. The weight of the footing and any overlying backfill may be neglected. The allowable bearing value may be increased by one-third for transient loads such as those induced by seismic events or wind loads. GEORESOURCES CPSG Self Storage Facility XI I, LLC.S352"dSt.RG April 24, 2017 Page 18 Lateral loads may be resisted by friction on the base of footings and floor slabs and as passive pressure on the sides of footings. We recommend that an allowable coefficient of friction of 0.35 be used to calculate friction between the concrete and the underlying soil. Passive pressure may be determined using an allowable equivalent fluid density of 350 pcf (pounds per cubic foot). Factors of safety have been applied to these values. We estimate that total static settlements of footings designed and constructed as recommended will be less than 1 inch over a 50-foot span, for the anticipated load conditions, with differential settlements between comparably loaded footings of 1/2 inch or less. Typical building settlements within granular soils occur essentially as loads are being applied. However, disturbance of the foundation subgrade during construction could result in larger settlements than predicted. Alternative Foundation Support - GeoPier® As an alternative to overexcavation, processing and replacement for bearing pads, an array of aggregate piers could also be used to improve the bearing capacity of soils beneath spread footings and, depending on the required depths, may be more cost effective. "Geopiero" is a proprietary name for the most common type of aggregate pier. Regardless of type, all aggregate piers are installed by excavating or drilling down to a suitable soil horizon and then backfilling the borehole with compacted granular soil. Typical borehole diameters range from about 24 to 36 inches. In our opinion, aggregate piers could provide favorable support for spread footings, thereby eliminating the need for a deep over -excavation and replacement as described previously. We recommend that the aggregate pier designer ensure that the piers have sufficient depths and widths to provide the bearing capacities described above. Floor Slab Support We anticipate that the proposed storage buildings will have slab on grade floors. Slab on grade floors should be supported on the dense native soils or on structural fill prepared as described above. Slabs on the portion of the site underlain by the uncontrolled fill should be supported by subgrade consisting of a minimum of 12-inches of clean, structural fill. Areas of old fill material should be evaluated during grading activity for suitability of structural support. Areas of significant organic debris should be removed. We recommend that floor slabs be directly underlain by a minimum 4-inch thick pea gravel or washed %-inch crushed rock. This layer should be placed and compacted to an unyielding condition and should contain less than 2 percent fines. A synthetic vapor retarder is recommended to control moisture migration through the slabs. This is of particular importance where moisture migration through the slab is an issue, such as where adhesives are used to anchor carpet or tile to the slab. A subgrade modulus of 350 kcf (kips per cubic foot) may be used for floor slab design. We estimate that settlement of the floor slabs designed and constructed as recommended, will be 1/2 inch or less over a span of 50 feet. Subgrade and Below Grade Walls The lateral pressures acting on subgrade and retaining walls (such as basement walls) will depend upon the nature and density of the soil behind the wall. It is also dependent upon the presence or absence of hydrostatic pressure. If the walls are backfilled with granular well -drained soil, we recommend using an allowable equivalent fluid pressures of 35 pcF for the active condition and 55 GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 19 pcf for the at rest condition. This design value assumes a level backslope and drained conditions as described below. Adequate drainage behind retaining structures is imperative. Positive drainage which controls the development of hydrostatic pressure can be accomplished by placing a zone of drainage behind the walls. Granular drainage material should contain less than 2 percent fines and at least 30 percent greater than the US #4 sieve. A geocomposite drain mat may also be used instead of free draining soils, provided it is installed in accordance with the manufacturer's instructions. A soil drainage zone should extend horizontally at least 18 inches from the back of the wall. The drainage zone should also extend from the base of the wall to within 1 foot of the top of the wall. The soil drainage zone should be compacted to approximately 90 percent of the MDD. Over -compaction should be avoided as this can lead to excessive lateral pressures. A minimum 4-inch diameter perforated or slotted PVC pipe should be placed in the drainage zone along the base and behind the wall to provide an outlet for accumulated water and direct accumulated water to an appropriate discharge location. We recommend that a nonwoven geotextile filter fabric be placed between the soil drainage material and the remaining wall backfill to reduce silt migration into the drainage zone. The infiltration of silt into the drainage zone can, with time, reduce the permeability of the granular material. The filter fabric should be placed such that it fully separates the drainage material and the backfill, and should be extended over the top of the drainage zone. Lateral loads may be resisted by friction on the base of footings and as passive pressure on the sides of footings and the buried portion of the wall, as described in the "Foundation Support" section. We recommend that an allowable coefficient of friction of 0.35 be used to calculate friction between the concrete and the underlying soil. Passive pressure may be determined using an allowable equivalent fluid density of 350 pcf (pounds per cubic foot). Factors of safety have been applied to these values. Temporary Excavations All job site safety issues and precautions are the responsibility of the contractor. The following cut/fill slope guidelines are provided for planning purposes only. Temporary cut slopes will likely be necessary during grading operations or utility installation. All excavations at the site associated with confined spaces, such as utility trenches and retaining walls, must be completed in accordance with local, state, or federal requirements. Based on current Washington State Safety and Health Administration (WSHA) regulations, the fill encountered at the site would be classified as Type C soils, while the weathered glacial till on the site would be classified as Type B soils, and the glacial till and advance outwash would be classified as Type A soils. According to WSHA, for temporary excavations of less than 20 feet in depth, the side slopes in Type A soils should be laid back at a slope of 3/4H:1 V (Horizontal: Vertical) or flatter, while Type B soils should be laid back at a slope inclination of 1 HIV or flatter from the toe to the crest of the slope, and Type C soils should be sloped at a maximum inclination of 11/2HIV. All exposed slope faces should be covered with a durable reinforced plastic membrane during construction to prevent slope raveling and rutting during periods of precipitation. These guidelines assume that all surface loads are kept at a minimum distance of at least one half the depth of the cut away from the top of the slope and that significant seepage is not present on the slope face. Flatter cut slopes will be GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 1 10 necessary where significant raveling or seepage occurs, or if construction materials will be stockpiled along the slope crest. Where it is not feasible to slope the site soils back at these inclinations, a retaining structure should be considered. Where retaining structures are greater than 4-feet in height (bottom of footing to top of structure) or have slopes of greater than 15 percent above them, they should be engineered per Washington Administrative Code (WAC 51-16-080 item 5). This information is provided solely for the benefit of the owner and other design consultants, and should not be construed to imply that GeoResources assumes responsibility for job site safety. It is understood thatjob site safety is the sole responsibility of the project contractor. Site Drainage All ground surfaces, pavements and sidewalks at the site should be sloped away from the structures. Surface water runoff should be controlled by a system of curbs, berms, drainage swales, and or catch basins, and conveyed to an appropriate discharge point. We recommend that footing drains are installed for the buildings in accordance with IBC 1807.4.2, and basement walls (if utilized) have a wall drain as describe above. The roof drain should not be connected to the footing drain. Stormwater Infiltration We understand that the City of Federal Way uses the 2005 version of the King County Surface Water Design Manual (KCSWDM). We initially provided a preliminary infiltration rate using the ASTM Grain Size method. Using the preliminary rates, Barghausen Engineering sized and sited an infiltration gallery on the south side of the parcel. We returned to the site and excavated an additional 4 test pits and performed infiltration testing using the small-scale pilot infiltration test (PIT) method per the KCSWDM After applying appropriate correction factors, we recommend a preliminary design infiltration rate of 4.5-inches per hour be used for sizing the infiltration gallery within the advance outwash encountered along the southeastern portion of the project site. Appropriate design, construction and maintenance measures are required to ensure the infiltration rate can be effectively maintained over time. Special care is required during the grading and construction periods to avoid fine sediment contamination of the infiltration system. This may be accomplished by using an alternative storm water management location during construction or leaving the bottom of the systems 1 to 2 feet high, and subsequently excavating to the finished grade once the site is paved and landscaping is installed. All contractors working on the site (builders and subcontractors) should be advised to avoid "dirty' stormwater flowing to the site's stormwater system during construction and landscaping. No concrete trucks should be washed or cleaned on -site without appropriate BMPs in place. Suspended solids could clog the underlying soil and reduce the infiltration rate for the pond. To reduce potential clogging of the infiltration systems, the infiltration system should not be connected to the stormwater runoff system until after construction is complete and the site area is landscaped, paved or otherwise protected. Temporary systems may be utilized through construction. Periodic sweeping of the paved areas will help extend the life of the infiltration system. GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 1 11 EARTHWORK RECOMMENDATIONS Site Preparation All structural areas on the site to be graded should be stripped of vegetation, organic surface soils, and other deleterious materials including existing structures, foundations or abandoned utility lines. Organic topsoil is not suitable for use as structural fill, but may be used for limited depths in non-structural areas. Stripping depths ranging from 4 to 18 inches should be expected to remove these unsuitable soils. Thicker topsoil or organic debris may be encountered in areas of heavy vegetation or depressions. In addition to removal of the topsoil, the undocumented fill soils on the eastern portion of the site should be removed. We understand the proposal is to process these soils on site and replace them as structural fill. Recommendations regarding removal, processing and replacement of the undocumented fill is discussed below in the "Suitability of On -Site Materials as Fill" section. Where placement of fill material is required, the stripped/exposed subgrade areas should be compacted to a firm and unyielding surface prior to placement of any fill. Excavations for debris removal should be backfilled with structural fill compacted to the densities described in the "Structural Fill" section of this report. We recommend that a member of our staff evaluate the exposed subgrade conditions after removal of vegetation and stripping/processing is completed and prior to placement of structural fill. The exposed subgrade soil should be proof -rolled with heavy rubber -tired equipment (where (practical) during dry weather or probed with a 1/z-inch-diameter steel T-probe during wet weather conditions. Soft, loose or otherwise unsuitable areas delineated during proofrolling or probing should be recompacted, if practical, or over -excavated and replaced with structural fill. The depth and extent of overexcavation should be evaluated by our field representative at the time of construction. Structural Fill All material placed as fill associated with mass grading, as utility trench backfill, under building areas, or under roadways should be placed as structural fill. The structural fill should be placed in horizontal lifts of appropriate thickness to allow adequate and uniform compaction of each lift. Structural fill should be compacted to at least 95 percent of MDD (maximum dry density as determined in accordance with ASTM D-1557). The appropriate lift thickness will depend on the structural fill characteristics and compaction equipment used. We recommend that the appropriate lift thickness be evaluated by our field representative during construction. We recommend that our representative be present during site grading activities to observe the work and perform field density tests. The suitability of material for use as structural fill will depend on the gradation and moisture content of the soil. As the amount of fines (material passing US No. 200 sieve) increases, soil becomes increasingly sensitive to small changes in moisture content and adequate compaction becomes more difficult to achieve. During wet weather, we recommend use of well -graded sand and gravel with less than 5 percent (by weight) passing the US No. 200 sieve based on that fraction passing the 3/4-inch sieve, such as Gravel Backfill for Walls (WSDOT 9-03.12(2)). If prolonged dry weather prevails during the earthwork and foundation installation phase of construction, higher fines content (up to 10 to 12 percent) may be acceptable. GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 1 12 Material placed for structural fill should be free of debris, organic matter, trash, and cobbles greater than 6-inches in diameter. The moisture content of the fill material should be adjusted as necessary for proper compaction. Suitability of On -Site Materials as Fill During dry weather construction, any nonorganic onsite soil may be considered for use as structural fill; provided it meets the criteria described above in the "Structural Fill" section and can be compacted as recommended. If the moisture content of the soil is over optimum when excavated, it will be necessary to aerate or dry the soil prior to placement as structural fill. The previously placed fill encountered across the site consist of a mixture of sand, silt, and gravel with debris and abundant organic material. We do not anticipate that these soils will be suitable for use as structural fill because of the presence of debris and organic material unless they are processed. Screening these granular fill soils with a 3" sieve to remove organics would be appropriate. Removal and processing of the undocumented fill soils should include excavating down to native soils, and an appropriate level of processing to meet the specification for common borrow WSDOT 9-03.14(3). GeoResources personnel should provide sufficient laboratory testing and monitoring to ensure the above specification is met and the material is replaced as structural fill. The deeper weathered glacial till is generally comparable to "common borrow" material and will be suitable for use as structural fill provided the moisture content is maintained within 2 percent of the optimum moisture level. We recommend that completed graded areas be restricted from traffic or protected prior to wet weather conditions. The graded areas may be protected by paving, placing asphalt -treated base, a layer of free -draining material such as pit run sand and gravel or clean crushed rock material containing less than 5 percent fines, or some combination of the above. Erosion Control Weathering, erosion and the resulting surficial sloughing and shallow land sliding are natural processes. As noted, no evidence of surficial raveling or sloughing was observed at the site. To manage and reduce the potential for these natural processes, we recommend erosion protection measures will need to be in place prior to grading activity on the site. Erosion hazards can be mitigated by applying Best Management Practices (BMP's) outlined in the 2016 King County Site Development Manual. Wet Weather and Wet Condition Considerations In the Puget Sound area, wet weather generally begins about mid -October and continues through about May, although rainy periods could occur at any time of year. Therefore, it is strongly encouraged that earthwork be scheduled during the dry weather months of June through September. Most of the soil at the site contains sufficient fines to produce an unstable mixture when wet. Such soil is highly susceptible to changes in water content and tends to become unstable and impossible to proof -roll and compact if the moisture content exceeds the optimum. In addition, during wet weather months, the groundwater levels could increase, resulting in seepage into site excavations. Performing earthwork during dry weather would reduce these problems and costs associated with rainwater, construction traffic, and handling of wet soil. However, should wet weather/wet condition earthwork be unavoidable, the following recommendations are provided: GEORESQURCES CPSG Self Storage Facility XII, LLC.S352n,St.RG April 24, 2017 page 1 13 Ok The ground surface in and surrounding the construction area should be sloped as much as possible to promote runoff of precipitation away from work areas and to prevent ponding of water. • Work areas or slopes should be covered with plastic. The use of sloping, ditching, sumps, dewatering, and other measures should be employed as necessary to permit proper completion of the work. • Earthwork should be accomplished in small sections to minimize exposure to wet conditions. That is, each section should be small enough so that the removal of unsuitable soils and placement and compaction of clean structural fill could be accomplished on the same day. The size of construction equipment may have to be limited to prevent soil disturbance. It may be necessary to excavate soils with a backhoe, or equivalent, and locate them so that equipment does not pass over the excavated area. Thus, subgrade disturbance caused by equipment traffic would be minimized. • Fill material should consist of clean, well -graded, sand and gravel, of which not more than 5 percent fines by dry weight passes the No. 200 mesh sieve, based on wet -sieving the fraction passing the 3/4-inch mesh sieve. The gravel content should range from between 20 and 50 percent retained on a No. 4 mesh sieve. The fines should be non -plastic. • No exposed soil should be left uncompacted and exposed to moisture. A smooth -drum vibratory roller, or equivalent, should roll the surface to seal out as much water as possible. In -place soil or fill soil that becomes wet and unstable and/or too wet to suitably compact should be removed and replaced with clean, granular soil (see gradation requirements above). • Excavation and placement of structural fill material should be observed on a full-time basis by a geotechnical engineer (or representative) experienced in wet weather/wet condition earthwork to determine that all work is being accomplished in accordance with the project specifications and our recommendations. • Grading and earthwork should not be accomplished during periods of heavy, continuous rainfall. We recommend that the above requirements for wet weather/wet condition earthwork be incorporated into the contract specifications. Additional Services Should deep foundations be considered as an alternative to removal, processing and recompacting the undocumented fill, we may need to explore the deeper subsurface conditions at the subject site depending on the foundation option selected. This would include returning to the site and completing additional borings or other explorations at the proposed deep foundation locations. We recommend we are retained to review those portions of the 90 percent plans and specifications pertaining to the foundations and earthwork to determine that they are in accordance with recommendations presented in this report. GEORESOURCES CPSG Self Storage Facility XII, LLC.S352"dSt.RG April 24, 2017 page 1 14 Construction Observation We recommend that GeoResources, LLC be retained to observe the geotechnical aspects of construction including stripping, processing of the undocumented fill, foundations, fill placement and compaction, and drainage activities. This observation would allow us to verify the subsurface conditions as they are exposed during construction and to determine that work is accomplished in accordance with our recommendations. If conditions encountered during construction differ from those anticipated, we can provide recommendations for the conditions actually encountered. LIMITATIONS We have prepared this report for use by CPSG Self Storage Facility XII, LLC, Crystal Peaks Development Services, LLC, Barghausen Engineering, and other members of the design team, for use in the design of a portion of this project. The data used in preparing this report and this report should be provided to prospective contractors for their bidding or estimating purposes only. Our report, conclusions and interpretations are based on our subsurface explorations, data from others and limited site reconnaissance, and should not be construed as a warranty of the subsurface conditions. Variations in subsurface conditions are possible between the explorations and may also occur with time. A contingency for unanticipated conditions should be included in the budget and schedule. Sufficient monitoring, testing and consultation should be provided by our firm during construction to confirm that the conditions encountered are consistent with those indicated by the explorations, to provide recommendations for design changes should the conditions revealed during the work differ from those anticipated, and to evaluate whether earthwork and foundation installation activities comply with contract plans and specifications. The scope of our services does not include services related to environmental remediation and construction safety precautions. Our recommendations are not intended to direct the contractor's methods, techniques, sequences or procedures, except as specifically described in our report for consideration in design. If there are any changes in the loads, grades, locations, configurations or type of facilities to be constructed, the conclusions and recommendations presented in this report may not be fully applicable. If such changes are made, we should be given the opportunity to review our recommendations and provide written modifications or verifications, as appropriate. GEORESOURC ES CPSG Self Storage Facility XII, LLC.S352nd5t.RG April 24, 2017 page l 15 We have appreciated the opportunity to be of service to you on this project. If you have any questions or comments, please do not hesitate to call at your earliest convenience. Respectfully submitted, GeoResources, LLC M441p--&�rDustin Ta for E• .y 160 Keith S. Schembs, LEG Principal DRT:KSS:DCB/drt:kss DoclD: CPSGSeIfStorage FacilityXll,LLC.S352ndSt.RG Attachments: Figure 1: Site Vicinity Map Figure 2a: Proposed Site Plan Figure 2b: Site & Exploration Plan Figure 3: NRCS Soils Map Figure 4: Geologic Map Appendix A - Subsurface Explorations Appendix B - Laboratory Test Results 04 Dana C. Biggerstaff, PE Senior Geotechnical Engineer GEORESOLiRCES L•' r Panowr take 17 7. .7 Federal. Way r s Asti, R Ch West Hylebos Wetiands Park eke _ HYSei3as >56th 5.t glu hem— D" _ ra Fin e* I ' r �1 i iri 1 i ebos ]an + �i b me M g rS 360th St Approximate Site Location (Map created from King County Public GIS http://gismaps.kingcounty.gov/iMap/) 'JEORESOURCES arth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 911424 1253.896.1011 1 www.georesources.rocks Not to Scale Site Vicinity Map Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,-49 Doc ID: CPlnvestments.PacificHwys.F I April 2017 Figure 1 f ` v 1 �rly Not To Scale Site Plan created by Site +Plan+Mix LLC dated April 13, 2017 5 ND SELF STORAGE 35200 PACIFIC HIGHWAY SOUTH 1 FEDERAL WAY, WA A7o:Fc�r+FaKv�r� f '---------------.�._�_�.r _ _.-- - -- ---- -- �I _ I 3 I apa_: ,•fin N bm'+.+1 LA4n� levecrixar. 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Iw•;x u • [..aa4 ai. r4 •,rc [ + •, �[lo iii� ' t4r 4T•]]4.1 u«u to c+c4 •m. resin Ir rw n � ,n' moo• n¢ rclln Irn cu,[,rlr. + [•uiiz n .[ . t -,... Ar•ivilrxa Cw £ tQ,r�Yc Lv_� 1.••r•I.al l.w '3I5T'• r[N1•7:�,frt1]•2t/� tLS••�rk!1r]C . C i .. - ,a4-aL•[�xr•+NIn+i.awe L i • emcmowswr r rr.@� [x �l1R}, rIrr:r r,yw•..rut aw'I::� S i1c3•.::.r• ,,.mAu.ylr.ir'r. i4=D�fa`fue.-i':1•"mom �s I. le. I•T]'Yb• E — --� Y Mlr•r• • 1rr.p r♦'} ' 'n e•xa I,h • 7 f � + 7f1YJ" H 1NSY;31 E� r .� — — — — m�• sl' 14 tri' J'D •.-_.:ir,R- 3C— W 1i9..3'. L rem, h4.=u a• y — — I L r1� + .�'RV91, li'[ r1•IC b MO 'icTti 1 ti r1 5 t•M[c•+. lri tlYC r v'cr cs »•Y rFj f i. A—rv�ncr + 5 . ..,. .� � I!i arl�ar.T[nl l r.•res[ ruunrn 7W'o.Xi frr cr*t[: +rrrrY,nra Ltf 11 TP-1 (61/2") P �1 s & Mw"„ "pa Pe IIpEI.4 AW YF res jrf f fif+zollrnn.' - � - I PARCEL A � Im-mom. .VAC(L .Mr+EV 14e10400-a I 1 [-3'4t I I._ .r. [ad • 7 1x..fY me s �tirts rurW,5t3HnC e�- SIfG 1COIS55: nmx,Y+[•�. 3la® r1N3rE HWY a f ri'.k'['A tnr VA QIM!` 1 1�e1 1 %r!-JI oNi rrar[ �� rt Kl' 1 . SCI, hr.rar"�r as,w R•J'YII.F -smaln.l 4:1 'i.n +rxlr-le f I I� 1 r 21 in�� r; .-� xa•w I.4-rl4re _ lk3 Va,•13�E�YT:10/01 J 4-KN rw:lol Y tNr� 9j i Jt••OJ PrKP c r,rr < �. y �- •UCd 4MSIES3 c-al. IT, Iri y N. f I J fJ i7 • FEGEak .ar 1u 9Bdu1 ' r• t.k`rww41 x y IR- --•, rrT r I(Uy nrtn WK•[rl p4IX 1]d' Not To Scale Site Plan created by Barghausen Consulting Engineers LLC dated December 28, 2016 using NGVD 29 Approximate exploration location and number. TP-6 (13+') Thickness of Fill and Topsoil listed in parenthesis. N 4E'iT'71. 11 r� - GinY L>[6i LL aaor[ir, Iwi , SIX lry ,ry nay rPr.ss I. �1r•" nr nest w I 1/I'R,wwl �I. P-4 PARCEL B Wl1Ql HJJf[P{ Z9Z7 W'Nd-i WE 4-cx_55 Wo. PXrasa'A 5 PEMtEPA�AL rMT eu W �j TP-12 dIIT» i TP-11fIT-2 ow• �... rnrs c ac•^ � p ttaaYgl• ■ s4F5]' _ — — — — -_ — _ C t;lrlt L�<[4tY `- HOi _.. 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IRR1R BASIS OF SEAPHN04- 71- r..�0`I Uw [p114- [[Trim • I .' ru, ! . n4rw _-- - __ -- slrc4x Mo • rtwl w ,.''i a ww: nl,m w,ll roronc .. rw[ _ K• r[a r[rli m r•[ _ - i a•: ow: a Ic.RKS roR x....:, 9ASM OF HDgIZCNTAL DATLANI: ua•,I 1f vtarx CiOLNYl[3 - r O I[ra I,rst7 4ryr b•Iam4s +rc �� T+•1: n:rtar.[ I.. -.war ryaur P/A[[L mkdam BASMOP VCi[TIG4L DATUM: Min49159 OAIFR clrr 0: IMFLAL wA 9rt Aora S N,rt GEORESOURCES earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1 253.196.1011 1 www.georesources.rocks 4¢4rlr GLr[O [IiiL rIArM1r1 am_ Ow O •r w �er[ti � ny m,.e msc In �� FAASfLMa4flfl+l9T.JmPGZ PIAIILII. Joxuu S tt er 1x r Ay@rv."rCas w ,tao g )WN Sr r[n:�LVA: trw w ssnb 4 C i � Lro�,Yu rir/.C1 0:7" tivx. m S >m 1 R I� 1'fi[I[UL ncrauxulr. M v¢r I Proposed infiltration gallery {f 4prCf FyC ✓r C,• ro4p �[,� utr +` iL.O 11L 'nl, urYrJp len ,1 Sl [iN C9 tP nc•I+ w 1p s,[[,+ uNsou o s4.ti,1 n,c Icr %y t9w as r,t. 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I uK[ ++rrTe sln•art o la t:.c (.i w wa N[g .r1iR qIF 9— c,a, nxz = sR�� Iw rnz — sw4Nr. � gw.e�us[.� IrIXA]iNlo r�rt..rc L.cr•:n1.r r— 51[4N MM Il[ lic[rXrrA Site and Exploration Plan Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,-49 Doc: CPlnvestrrents.PacificHwyS.S&EP I March 2017 1 Figure 2b Approximate Site Location (Map created from NRCS Web Soil Survey) Soil Soil Name Parent Material Slopes Erosion Hydrologic T e Hazard Soils Group Everett-Alderwood Glacial outwash with a component of volcanic Slight to EwC Gravelly Sandy Loams ash in the upper part / Basal till with some 6 - 15 Moderate A/B volcanic ash Ur Urban land --F Lacustrine deposits with a minor amount of Slight to C KpB Kitsap Silt Loam volcanic ash 2-8 Moderate �N ���-� aft u EO RESO U RCES earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1253.896.1011 I www.georesources.rocks Not to Scale NRCS SCS Soil Map Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,-49 Doc ID: UInvestments.PacificHwyS.F I April 2017 f Figure 3 iui 9 —per — . _+ ,. R • + r_. �-��� ,� M ii�;;� _ tT.'L �- � . _ �i.., a.. h .r r � "-ter — - • - +-r+ � Ar V t D I r i S ; 1' Approximate Site Location An excerpt from the Geologic Map of the Poverty Bay 7.5-Minute Quadrangle, Washington, By Derek B. Booth, Howard H. Waldron, and Kathy G. Troost Qvt I Glacial Till u EO RESO U RCES earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 99424 1 253.896.1011 1 www geore5ources rocks USGS Geologic Map Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,-49 Doc ID: LDGArchitects.AStreetSE.F April 2017 Not to Scale 4 Appendix "A" Subsurface Explorations SOIL CLASSIFICATION SYSTEM MAJOR DIVISIONS GROUP SYMBOL GROUP NAME GRAVEL CLEAN GW WELL -GRADED GRAVEL, FINE TO COARSE GRAVEL GRAVEL GP POORLY -GRADED GRAVEL COARSE GRAINED More than 50% GRAVEL GM SILTY GRAVEL SOILS Of Coarse Fraction WITH FINES Retained on GC CLAYEY GRAVEL No. 4 Sieve SAND CLEAN SAND SW WELL -GRADED SAND, FINE TO COARSE SAND More than 50% SP POORLY -GRADED SAND Retained on No. 200 Sieve More than 50% SAND SM SILTY SAND Of Coarse Fraction WITH FINES Passes SC CLAYEY SAND No. 4 Sieve SILT AND CLAY INORGANIC ML SILT FINE CL CLAY GRAINED SOILS Liquid Limit ORGANIC OL ORGANIC SILT, ORGANIC CLAY Less than 50 SILT AND CLAY INORGANIC MH SILT OF HIGH PLASTICITY, ELASTIC SILT More than 50% CH CLAY OF HIGH PLASTICITY, FAT CLAY Passes No. 200 Sieve Liquid Limit ORGANIC OH ORGANIC CLAY, ORGANIC SILT 50 or more HIGHLY ORGANIC SOILS PT PEAT NOTES: SOIL MOISTURE MODIFIERS: 1. Field classification is based on visual examination of soil Dry- Absence of moisture, dry to the touch in general accordance with ASTM D2488-90. Moist- Damp, but no visible water 2. Soil classification using laboratory tests is based on ASTM D2487-90. Wet- Visible free water or saturated, usually soil is obtained from below water table 3. Description of soil density or consistency are based on interpretation of blow count data, visual appearance of soils, and or test data. Unified Soil Classification System Proposed Commercial Development - GEORESOURCES 35200 & 35204 Pacific Highway South Federal Way, Washington earth science & geotechnical engineering PN: 29210490-48,-49 Doc ID: CPlnvestments.PacificHwyS.F March 2017 Figure A-1 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1253.896.1011 1 www.georesources. rocks Test Pit TP-1 Location: Center of temporary construction yard Approximate Elevation: 232' Depth (feet) Soil Type Soil Description 0 - 4.0 SIP Tan mottled gravelly sandy SILT (soft to medium stiff, moist)(fill) 4.0 6.5 ML Grey SILT with gravel, sand, and wood debris (medium stiff to stiff, moist) (fill) 6.5 9.0 SP Tan/grey sandy GRAVEL with some silt (very dense, moist) Terminated at 9.0 feet below ground surface No caving observed No groundwater seepage observed Test Pit TP-2 Location: SE corner of site Approximate Elevation: 240' Depth (feet) Soil Type Soil Description 0 1.0 SP Light brown SILT with some sand (medium stiff to stiff, moist) (fill) 1.0 6.0 SP Tan to grey mottled sandy SILT (medium stiff, moist to wet) 6.0 8.5 SP Grey sandy GRAVEL with some silt (medium dense, moist) (very dense) Terminated at 8.5 feet below ground surface No caving observed Groundwater seepage observed at 3.5 feet below ground surface Test Pit TP-3 Location: NE corner of site Approximate Elevation: 242' Depth (feet) Soil Type Soil Description 0 0.5 ML Topsoil, brown sandy SILT with organics(soft to medium stiff, moist) 0.5 - 2.5 SP Tan mottled silty SAND with gravel and organics (medium dense, moist) 2.5 6.0 SP Grey gravelly SAND with cobbles and boulders (dense to very dense, moist) Terminated at 6.0 feet below ground surface - No caving observed No groundwater seepage observed. Logged by: D.R. Taylor Excavated on: March 14, 2017 Test Pit Logs -_ Proposed Commercial Development �_ 35200 & 35204 Pacific Highway South .-• O E O R E S O U R C E S Federal Way, Washington earth science & geotechnical engineering PN: 29210490-48,-49 Doc ID: Ulnvestments.Pacificftys.F March 2017 Figure A-2a 5007 Pacific Hwy E , Suite 16 1 Fife, WA 98424 1253.896.1011 1 www georesources.rocks Test Pit TP-4 Location: Center of Parcel B beneath proposed building Approximate Elevation: 240' Depth (feet) Soil Type Soil Description 0 1.2 SP Topsoil, brown SAND with gravel and silt (loose, moist) 1.2 6.0 SP Tan mottled silty SAND (medium dense to dense, moist to wet) 6.0 7.5 SP Tan/grey SAND with gravel (very dense, moist) Terminated at 7.5 feet below ground surface No caving observed Groundwater seepage observed at 3.0 feet below ground surface Test Pit TP-5 Location: Southern portion of Parcel A Approximate Elevation: 226' Depth (feet) Soil Type Soil Description 0 1.0 - Topsoil, grass (saturated) 1.0 4.5 SP Tan silty SAND with gravel (medium dense, moist to wet) (fill) 4.5 7.5 SP Grey gravelly SAND with some silt (dense to very dense, moist) (fill) 7.5 9.5 ML Grey sandy SILT with wood debris, gravel, and cobbles (medium stiff to stiff moist) (fill) 9.5 13 SP Grey/blue mottled silty SAND (medium dense, moist) Terminated at 13.0 feet below ground surface No caving observed Groundwater observed at surface Test Pit TP-6 Location: SW corner of temporary construction yard Approximate Elevation: 228' Depth (feet) Soil Type Soil Description 0 1.0 Topsoil, grass 1.0 8.0 SP Brown/grey gravelly SAND with cobbles, boulders, and organics (medium dense to dense, moist) (fill) 8.0 - 12.5 SP Brown/grey silty SAND with gravel and wood debris (medium dense, moist) (fill) Terminated at 12.5 feet below ground surface. Minor caving observed at 3.5 feet below ground surface Groundwater seepage observed at surface and at 4.0 feet below ground surface. o EO RESOU RCES earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1253.896.1011 1 www.georesources rocks Logged by: D.R. Taylor Excavated on: March 14, 2017 Test Pit Logs Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,-49 Doc ID: CPlnvestments.PacificHwyS.F.doc I March 2017 1 Figure A-2b Test Pit TP-7 Location: Northern portion of Parcel A Approximate Elevation: 228' Depth (feet) Soil Type Soil Description 0 - 1.0 Topsoil 1.0 - 9.0 SP Brown/grey gravelly SAND with silt and organics (medium dense, moist) (fill) 9.0 - 14.0 SP Brown/grey silty SAND with gravel (medium dense, moist) Terminated at 14.0 feet below ground surface. Minor caving observed at 6.0 feet below ground surface Groundwater seepage observed at 6.0 feet below ground surface. Test Pit TP-8 Location: NW corner of site Approximate Elevation: 236' Depth (feet) Soil Tye Soil Description 0 - 0.5 - Topsoil, grass (saturated) 0.5 3.0 SP Tan SAND with silt and gravel (medium dense, moist) (fill) 3.0 8.0 SP Dark grey SAND with silt, asphalt, and concrete rubble(medium dense, moist to wet)(fill) 8.0 - 9.5 SP Brown silty SAND (medium dense, moist) (relic topsoil) 9.5 - 10.5 SP Tan silty SAND with organics (medium dense, moist) (weathered till) 10.5 - 13.5 SP Grey silty SAND (dense, moist) (till) Terminated at 13.5 feet below ground surface. No caving observed. Groundwater seepage observed at 6.0 feet below gound surface. o Eo RESOU RCEs earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 File, WA 98424 1253.896.1011 1 www georesources.rocks Logged by: D.R. Taylor Excavated on: March 17, 2017 Test Pit Logs Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,49 Doc ID: CPlnvestments.PacificHwyS.F.cIoc I March 2017 1 Figure A-2c Test Pit TP-9 Location: South-central portion of Parcel A; proposed infiltration gallery Approximate Elevation: 225' Depth (feet) Soil Type Soil Description 0 - 10.5 SP Tan/gray/brown gravelly SAND with some silt, wood debris, occasional cobbles and boulders (loose, moist)(Fill) 10.5 12.5 SP Olive/grey coarse sandy GRAVEL (dense, moist) 12.5 15 SP Grey gravelly coarse SAND with a trace silt (medium dense to dense, moist) Terminated at 15 feet below ground surface No caving observed No groundwater seepage observed Test Pit TP-10/ Infiltration Test Gallery IT-1 Location: Southern portion of Parcel A Approximate Elevation: 225' Depth (feet) Soil Type Soil Description 0 0.3 Topsoil 0.3 2.0 Reddish -brown silty SAND with gravel, burnt wood (medium dense, moist to wet) (fill) 2.0 - 13 SP Grey gravelly SAND with a trace silt (medium dense to dense, moist) Terminated at 13.0 feet below ground surface No caving observed No groundwater seepage observed Test Pit TP-11/ Infiltration Test Gallery IT-2 Location: SW corner of temporary construction yard Approximate Elevation: 235' Depth (feet) Soil Type Soil Description 0 - 1.0 Topsoil 1.0 - 8.0 SP Reddish -tan SILT with some sand (m. dense, moist) 8.0 - 12.5 SP Grey gravelly SAND with a trace silt (medium dense, moist) Terminated at 12.5 feet below ground surface. No caving observed No groundwater seepage observed Logged by: D.R. Taylor Excavated on: April 7, 2017 Test Pit Logs =- - Proposed Commercial Development & 35204 Pacific Highway South soft35200 O E O R E S O U R C E S Federal Way, Washington earth science & geotechnical engineering PN: 29210490-48,-49 Doc ID: CPlnvestfnents.PacificHwyS.F.doc March 2017 Figure A-2b 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1 253 896.1011 1 www.georesources.rocks Test Pit TP-12 Location: Northern portion of Parcel A Approximate Elevation: 232' Depth (feet) Soil Type Soil Description 0 1.0 Topsoil 1.0 9.0 Tan SILT with some sand (m. dense, moist) 9.0 14 SP Brown sandy GRAVEL with a trace silt (medium dense, moist) Terminated at 14.0 feet below ground surface. No caving observed No groundwater seepage observed 00'*EORESOURCES earth science & geotechnical engineering 5007 Pacific Hwy E., Suite 16 1 Fife, WA 98424 1253.896.1011 1 www georesources.rocks Logged by: D.R. Taylor Excavated on: April 7, 2017 Test Pit Logs Proposed Commercial Development 35200 & 35204 Pacific Highway South Federal Way, Washington PN: 29210490-48,49 Doc ID: UInvestments.PacificHwyS.F.cloc I March 2017 1 Figure A-2c "Appendix "B" Laboratory Results a) t H v a� C 0 (D 3 a� t E 0 t 3 0 C c a) U aD L_ 4- 0 W U X a) Q L 0 W `c w m 0 a� L F— 100 90 80 70 Z 60 LL Z 50 w IX 40 w 30 20 10 0 Particle Size Distribution Report d - d O O O MI16111111111111111111111i ��Idlq I q Iq n� GRAIN SIZE - mm. 0 10 20 30 x 40 M Z 50 60 x Cn m 70 x 80 90 100 EO 070 +3� % Gravel % Sand % Fines Coarse I Fine Coarse; Medium Fine Silt I Clay 0.0 1 7.5 ! 8.7 1 3.9 1 8.3 12.2 59.4 m U C 0 v m as 0 0 2 c 0 C as c m a: as 07 a} CL fa ar Material Description Atterbera Limits (ASTM_D 4318 PL= LL= PI= Classification USCS (D 2487)= AASHTO (M 145)= Coefficients D90= 12.2965 D85= 5.9913 D60= 0.0865 D50= D30= D15= D10= Cu= Cc= Remarks Sample ID:092559 NM-22.9% Date Received: Date Tested: 3/22/17 Tested By: JPK Checked By: Title: (no specification provided) Source of Sample: TP-1 Depth: 3.5' Date Sampled: 3/14/17 m to Number: . -I-- ° GeoResources, LLC Client: Project: CPSG.S352St m Fife, WA ro'ec No: CPSG.S352St Figure B-1 TEST RESULTS Opening Percent Spec.' Pass? Size Finer (Percent) (X=Fail) 1.25 100.0 1 95.5 .75 92.5 .5 90.2 .375 88.0 #4 83.8 #10 79.9 #20 76.6 #40 71.6 #60 65.7 #100 62.5 #200 59.4 Tested By: Checked By: Particle Size Distribution Report 100 0 10 90 60 70 1101111 30 -0 M wINN 40 n z so m 50 M Z 50 0 0 w 40 60 X a CO 70 30 80 20 s0 10 0 100 GRAIN SIZE - mm. % Gravel % Sand % Fines E +3" %Coarse Fine Coarse Medium Fine Silt Clay M 0.0 38.0 18.7 6.3 9.6 13.6 13.8 Material Description w Atterberg Limits (ASTM D 4318) PL= LL= PI= Classification USCS (D 2487)= AASHTO (M 145)= }'- �� Coefficients Dgo= 56.5239 D85:012.5251 D60= 16.6806 C D50= 8.1886 D80= 0.5813 D15= 0.0953 n D10= Cu= Cc= m Remarks t° Sample 1D:092561 NM-5.3% ro v Date Received: Date Tested: 3/22/17 Tested By: JPK Checked By: w Title: m (no specification provided) Source of Sample: TP-1 Depth: 8.5' Date Sampled: 3/14/17 Sample Number: 3 ° GeoResources, LLC Client Project: CPSG.S352St M Fife, WA Pro'ect_No: CPSG.S352St_ Figure B-2 11 TEST RESULTS �eningPercentSpec.Pass? , Finer (Percent) (X=Fait) 2.5 100.0 2.0 83.3 1.5 77.6 1.25 69.8 1 63.7 .75 62.0 .5 54.6 .375 51.6 #4 43.3 #10 37.0 #20 32.4 #40 27.4 #60 21.7 #100 17.6 #200 13.8 Tested By: Checked By: Particle Size Distribution Report 100 90 80 70 w W Z 60 LL Z 50 W U Of 40 W IL 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 VrxMIIV OILC - 111111. 07 % +3" % Gravel % Sand % Fines Coarse Fine Coarse Medium Fine Silt Clay 0.0 0.0 0.2 0.4 1.4 7.7 90.3 TEST RESULTS Opening Percent Spec.* Pass? Size Finer (Percent) (X=Fail) .375 100.0 #4 99.8 #10 99.4 #20 98.8 #40 98.0 #60 97.0 #100 95.2 #200 90.3 (no specification provided) -ce of Sample: TP-2 Depth: 1-5' pie Number: 1 GeoResources, LLC Fife, WA Material Description Atterbera Limits (ASTM D 4318 PL= LL= PI= Classification USCS (D 2487)= AASHTO (M 145)= Coefficients D90= D85= D60= D50= D30= D15= D10= Cu= Cc= Remarks Sample ID:092562 NM-26.2% Date Received: Date Tested: 3/22/17 Tested By: JPK Checked By: Title: Client: Project: CPSG.S352St Project No: CPSG..S3' Date Sampled: 3/14/17 M n m Z Tested By: Checked By: Particle Size Distribution Report 100 11 so ao I Bill 70 li m 0-1 z m 60 Z Z 50III C� MINI MIH11111MIll1 40 > a A 304wou 20 � � 10 o 10 oil GRAIN SIZE - mm. y % Gravel % Sand % Fines 11 % +3„ Coarse, Medium I Fine Silt Clay Coarse j Fine h 0.0 19.8 30.4 9.6 1 16.5 15.6 8.1 m Material Description Z a� ?.y c Atterbera Limits (ASTM D 4318) PL= LL= PI= Classification v USCS (D 2487)= AASHTO (M 145)= =� Coefficients D90= 28.3501 D85= 24.3056 DSO= 8.9411 D50= 4.8145 D30= 0.6806 D15= 0.2581 o D10= 0.1256 Cc= 71.19 Cc= 0.41 c Ls Remarks ro Sample ID:092563 v NM-7.7% m -a as Date Received: Date Tested: 3/22/17 Tested By: JPK as Checked By: Title: m (no specification provided) Source of Sample: TP-2 Depth: 8.5' Date Sampled: 3/14/17 S I umber: 2 GeoResources, LLC Client: . Project: CPSG.S352St M Fife, WA Project o: CPSG.S352. i F' ur B- IH tl �� � I HIM gillinoll�ililimilei � �� p� �� TEST RESULTS Opening Percent Spec." Pass? Size Finer (Percent) (X=Fail) 1.5 100.0 1.25 94.3 1 86.2 .75 80.2 .5 68.6 .375 61.3 #4 49.8 #10 40.2 #20 32.2 #40 23.7 #60 14.6 #100 10.7 #200 8.1 Tested By: Checked By: 0 L H a� c 0 a� m 3 T m L E 0 L 3 0 Y c U a) w 0 a> a� U X a) m L Y L 0 a) `m 75 (D U) m L f— Particle Size Distribution Report C c c c c< < Z O O O c NoN c c top o IT 100 0 10 90 I i l l II I I I I I I 20 80 30 70 m I I I I I I ! I I I I Z 40 n 60 m LL I I I I I I I I I I � 50 Z 50 0 i I I I l i I I I I I I v 60 D Of 40 X 1 1 1 11 I I I I I I a I I m 70 A 30 1 80 20 I I I I[ I I I I I I I I I 90 10 I I I I I I I I I I I I 0 100 100 10 1 0.1 0.01 0.001 GRAIN SIZE - mm. % Gravel % Sand % Fines % +3" Coarse Fine Caarsei Medium Fine Silt Clay 30.9 N 0.0 0.0 0.2 0.7 2.1 66.1 U TEST RESULTS Material Description su Opening Percent Spec.` Pass? Size Finer (Percent) (X=Fail) #10 99.1 l 91 .375 100.0 #4 99.8 #20 98.4 #40 97.0 #60 86.2 #100 58.9 #200 30.9 Tested By: Checked By: Tested By: Checked By: T N s Particle Size Distribution Report c c c o 0 0 100 0 10 90 20 80 11110111111110 11 MINIM HIM 30 70 m w T 40 m z so LL M 50 Z 50 n Of 60 40 ,x a m 70 �1 30 20 80 10 .90 0 100 a - GRAIN SIZE - mm. % Gravel % Sand % Fines ^/o +3" Coarse Fine Coarse Medium Fine Silt Clay N 0.0 0.0 0.0 0.0 0.1 27.6 72.3 TEST RESULTS Opening Percent Spec.' Pass? Size Finer (Percent) (X=Fail) #10 100.0 #20 99.9 #40 99.9 #60 99.7 #100 97.2 #200 72.3 Tested By: _ Checked By: Tested By: _ Checked By: Particle Size Distribution Report 1c 9 8 7 rY w z 6 LL F- 5 Z w U W 4 w a 3 2 1 0 10 20 30 D m 40 m Z 50 n O 60 ,ZDj U) m 70 ;U 80 90 100 GRAIN SIZE - mm. T) % Gravel % Sand % Fines +3" Coarse Fine Icoarsel Medium I Fine Silt Clay y0.0 33.2 34.2 1 7.4 1 10.6 9.3 5.3 TEST RESULTS Opening Percent Spec. Pass? Size Finer (Percent) (X=Fail) 2.0 100.0 1.5 84.8 1.25 84.8 1 75.8 .75 66.8 .5 53.5 .375 45.7 #4 32.6 #10 25.2 #20 20.7 #40 14.6 #60 8.1 #100 6.3 #200 5.3 (no specification provided) Source of Sample: TP-9 Depth: 10' GeoResources, LLC Fife,_WA _ Material Description Atterbera Limits (ASTM D 4318 PL= LL= PI= Classification USCS (D 2487)= AASHTO (M 145)= Coefficients 1390= 43.8339 D85= 38.6342 D60= 15.4231 D50= 11.2741 D80= 3.8238 D15= 0.4379 D10= 0.2996 CU= 51.49 Cc= 3.16 Remarks Sample ID:092590 NM-6.4% Date Received: Date Tested: 4/11/17 Tested By: JPK Checked By: Title: Date Sampled: 4/7/17 Client: Project: CPSG.S352St Project No: CPSG.S352St Figu Tested By: Checked By: Particle Size Distribution Report C C O O O 100 0 90 iiiiiiiiniiiiiiiimiiiililill'o 80 20 70 30 m w X Z 60 40 m LLlimp Z ~ 50 50 n af 40 60 > 0_ 30 70 20 11IM111 80 10 oil 90 0 100 Vi GRAIN SIZE - mm. ? % +3" % Gravel % Sand % Fines Coarse I Fine Coarse; Medium Fine Silt I Clay M 0.0 15.0 1 26.9 10.9 37.5 6.2 _ 3.5 cc u Material Description72 c Atier_ herg Limits (ASTM D 43181 @ PL= LL= PI= m Classification USCS (D 2487)= SP AASHTO (M 145)= }' :U Coefficients D90= 21.3223 D85= 19.0424 D60= 5.4856 E D50= 2.4108 DgO= 0.9274 D15= () 5409 o D10= 0.4311 Cu= 12.72 Cc= 0.36 C m Remarks Sample ID:092591 c NM-9.8% EZ a m Date Received: Date Tested: 4/11/17 N Tested By: JPK aT a Checked By: ca Title: (no specification provided) a Source of Sample: TP-9 Depth: 14' Date Sampled: 4/7/17 c GeoResources, LLC Client: Project: CPSG.S352St Fife NV/4 Project No: CPSG.S352St Fiaure B-8 N TEST RESULTS Opening Percent Spec." Pass? Size Finer (Percent) (X=Fail) 1.25 100.0 1 96.8 .75 85.0 .5 73.4 .375 68.3 #4 58.1 #10 47.2 #20 27.6 #40 9.7 #60 4.6 #100 3.8 #200 3.5 Tested By: Checked By: N L F- v () c 0 a) 3 a m L_ E 0 L 0 Y c a) U 0 0 10 GRAIN SIZE - mm. +3" %Gravel % Sand % Fines E %Coarse Fine JCoarsel Medium I Fine Silt Clay M 0.0 32.2 16.5 7.1 1 25.0 15.5 3.7 EO TEST RESULTS Spec." Pass? Opening =Fine Size(Percent) (X=Fail) 2.0 100.0 1.5 87.3 1.25 83.7 1 80.6 .75 67.8 .5 64.5 .375 58.9 #4 51.3 #10 44.2 #20 36.1 #40 19.2 #60 7.9 #100 4.9 #200 3.7 100 90 80 70 ly Z 60 LL Z 50 w � 40 W a_ 30 20 10 0 Particle Size Distribution Report C C C C_ C C m O N G LyyJ �O�pp O R (O(�V i! i! iL ik 711. 011111 Ell 111111111111 ERMINE 110111111 illillimmililill IODINE MINIM III 11011111111 Iiiiiiiilmiiiiii Material Description Atterberg Limits ASTM D 4318) PL= LL= PI= Classification USCS (D 2487)= GP AASHTO (M 145)= Coefficients D90= 41.1303 D85= 34.7077 D60= i0.0142 D50= 3.9894 D30= 0.6412 D15= 0.3602 D10= 0.2854 Cu= 35.09 cc = O.14 Remarks Sample ID:092592 NM-6.3 % Date Received: Date Tested: 4/11/17 Tested By: JPK Checked By: Title: w (no specification provided) a Source of Sample: TP-10 Depth: 11.5' Date Sampled: 4/7/17 Samr)le Nurnber:2 GeoResources, LLC I Client: Project: CPSG.S352St ro Fife WA Prole No: CPSG.S352St Figure B-9 Tested By: Checked By: Particle Size Distribution Report o00 Ir w Z LL I- Z W U 0Y w IL 0 10 20 30 m 40 m Z 50 n O 60 (n m 70 :U 80 90 100 l7 fl/'111V JILC � I11111. u % Gravel % Sand % Fines a) /, +3� Coarse I Fine ICoarsel Medium Fine Silt I Clay 0.0 0.0 0.8 1 0.2 23.3_ 73.3 2.4 TEST RESULTS Opening Percent Spec.* Pass? Size Finer (Percent) (X=Fail) .75 100.0 .5 99.7 .375 99.7 #4 99.2 #10 99.0 #20 97.8 #40 75.7 #60 31.0 #100 9.7 #200 2.4 (no specification provided) Source of Sample: TP-11 Depth: 1 V Sample Number: 2 GeoResources, LLC Fife, WA Material Description Atterlaera Limits (ASTM D 4318 PL= LL= PI= Classification USCS (D 2487)= SP AASHTO (M 145)= Coefficients D90= 0.5609 D85= 0.4971 D60= 0.3505 D50= 0.3139 D30= 0.2464 D15= 0.1828 D10= 0.1524 Cu= 2.30 Cc= 1.14 Remarks Sample ID:092593 NM-6.7% Date Received: Date Tested: 4/11/17 Tested By: JPK Checked By: Title: Client: Project: CPSG.S352St Date Sampled: 4/7/17 Tested By: _ Checked By: Particle Size Distribution Report w Y 17 O N c_`0 � P O Tr C N 10 9 8 7 w Z 6 LL ~ 5 Z W U 4 W tL 3 2 1 0 10 20 30 40 50 60 70 80 90 100 VI\/111V JILC - II1111. T % Gravel % Sand % Fines �/a +3" - E Coarse I Fine Coarse' Medium Fine Silt Clay h 0.0 31.6 1 24.6 13.1 21.6 6.2 2.9 TEST RESULTS Opening Percent Spec." Pass? Size Finer (Percent) (X=Fail) 2.0 100.0 1.5 85.0 1.25 85.0 1 71.6 .75 68.4 .5 60.8 .375 56.0 #4 43.8 #10 30.7 #20 19.8 #40 9.1 #60 4.4 #100 3.3 #200 2.9 (no specification provided) Source of Sample: TP-12 Depth: 14' GeoResources, LLC Fife, WA Material Description Atterhera Limits (ASTM D 4318 PL= LL= PI= Classification USCS (D 2487)= GP AASHTO (M 145)= Coefficients D90= 43.9191 D85= 31.7405 D60= 12.1944 D50= 6.6864 D3n= 1.8988 D19= 0.6290 D10= 0.4551 C�= 26.80 Cc= 0.65 Remarks Sample 1D:092594 NM-6.1 % Date Received: Date Tested: 4/11/17 Tested By: JPK Checked By: Title: Client: Project: CPSG.S352St Project No: CPSC:_ST Date Sampled: 4/7/17 Tested By: Checked By: 6.2 Critical Areas Memo by Talasaea Consultants, Inc. dated February 13, 2017 TALASAEA CONSULTANTS, INC. 13 February 2017 Mr. Joe Strobele CP Investments 15115 Northeast 67th Place Redmond, Washington 98052 REFERENCE: 352"d Street Self Storage in Federal Way, Washington SUBJECT: Critical Areas Memo Dear Mr. Strobele: TAL-1639 At your request, we have conducted an assessment of the assemblage of parcels located at 35204 Pacific Highway S, Federal Way, Washington 98003. The King County Tax Parcel numbers are 292104-9048, 292104-9053 and 292104-9046 and is approximately 5.2 acres in size. The Public Land Survey System lo/4cation is the NE % of NE' of Section 29, Township 21 North, Range 4 East, Willamette Meridian. The parcels are zoned as Commercial Enterprise (CE). The subject property is currently undeveloped, but is very disturbed as evident by the vegetation onsite. Invasive vegetation observed on the site includes: red alder (Alnus rubra), Himalayan blackberry (Rubus armeniacus), black locust (Robinia pseudoacacia), and Scot's broom (Cytisus scoparius). Native vegetation observed on the site includes: madrone (Arbutus menziesii), braken fern (Pteridium aquilinum), salmonberry (Rubus spectabilis) and red -osier dogwood (Corpus sericea). During the 13 February 2017 site visit, it was observed that the northern half of the most western oarcel was being utilized as a temporary construction materials storage facility. Photo A. Westernmost parcel facing south along 35211 Street. Resource `cQ Environmental Planning 15020 Bear Creek Road Northeast • Woodinville, Washington 98077 • Bus: (425) 861-7550 -.Fax: (425) 861-7549 Mr. Joe Strobele 13 February 2017 Page 2 of 2 Two linear features were observed in the westernmost parcel, as indicated in Figure 1 (attached). These features appear to drain the site and divert water into the stormwater facility located immediately south of the site. The linear features are maintained with quarry spall and would not classify as a stream, and would therefore be unregulated by Federal Way Revised Code. Photo B. Typical linear feature found on westernmost parcel. Features observed on aerial imagery along the easternmost property boundary are not a wetland though this area does appear to receive some runoff from the adjacent development to the east. Soils on -site are variable, another indication of the Site's disturbed nature, but no hydric soil indicators were present where soils were evaluated. In conclusion, we did not observe any critical areas on or in the vicinity of the subject property. We trust that you will find this information helpful for your current needs. If you have any questions or require additional information, please contact me at (425) 861-7550. Thank you. Sincerely, Jennifer M. Marriott, PWS Senior Ecologist Attachments: Figure 1. Site Map Resource `c—Q Environmental Planning 15020 Bear Creek Road Northeast • Woodinville, Washington 98077 • Bus: (425) 861-7550 -.Fax: (425) 861-7549 � o F Yd1U O O UO1 Ff8�E LA LAF Soo :g 3,- 4 y d O 3 `S - 5 v tN w_ N } $h �2h 0 R 7.0 OTHER PERMITS Other permits anticipated to be required for this project include the following: ■ City of Federal Way Construction Permits (Building, Plumbing, Mechanical, Demolition, Engineering, and Fire Prevention) ■ Construction Stormwater General Permit (Department of Ecology) In addition, the project will incorporate into the design any further requirements imposed as a result of the State Environmental Policy Act (SEPA) determination. 18260.003.doc 8.0 CONSTRUCTION STORMWATER POLLUTION PREVENT (CWWPP) ANALYSIS AND DESIGN A. Erosion and Sediment Control (ESC) Plan Analysis and Design An erosion and sediment control plan is included with the civil engineering plan set. Each of the 13 categories of ESC measures is addressed by the ESC Plan and detailed/discussed the Stormwater Pollution Prevention Plan. A construction entrance will be located near the center of the property with access to Pacific Highway South. Silt fence will be placed around the site perimeter to prevent erosion onto the surrounding properties and roadways. Two temporary erosion and sediment control ponds will be provided during the clearing and grading phase of the project. Inlet protection will be installed on existing and new catch basins. A concrete washout area will also be provided for cleaning of tools onsite. The TESC ponds will be sized assuming the project is 70% impervious for the clearing and grading phase of the project and calculations will be included in this section during the final design phase. Temporary v-ditches will serve to direct stormwater runoff to the temporary ponds. The v-ditches will have check dams to slow runoff velocities as well. B. Stormwater Pollution Prevention and Spill (SWPPS) Plan Design A SWPPP will be prepared with the final design plans following the standard template provided by the Washington State Department of Ecology. Applicable BMPs shall be selected from the King County Construction Stormwater Pollution Prevention Manual and Spill Control Standards and/or the King County Stormwater Pollution Prevention Manual. 18260.003.doc Portion of NE 1/4 of SEC. 20, T. 21 N., R. 4 E., W.M., CITY OF FEDERAL WAY, KING COUNTY WASHNGTON PRELIMINARY CLEARING AND GRADING PLAN T-4a _ � o mt ' TO OPEN 4 IE=Z•"<SC, 12"m IP.CN . 'f"7b .►. IIa LCNC W - SOCa, Rlll=NI61 l •• .••. ••-• i `o Z WI IWESTI='3042 IE=23685, 12b EONC S I 3DYH, Pou-24223 5D0P Rlu_�4326 Q IE-2493Q[1VJD E S W 202104-9148 53 (EAiI;=2JG 1J. IE=23631, f1 a CIiNC;� UNABLE TO OPEN ❑ M 40 90 FOUND, 2 1JY lW7t1 I/ 1 •l r UNITED f 15• SLOPE L1`.E1!ENT FILLED WITH WRIT �T rRFt;ORLNNG NO SDCQ RILI-2432fi s, Z Z r IS' DRAINAGE EASEAdC";i y�/ RENTALS % f FOWER VAULT 201506250U1fi4o IE=i4951, 12"0 CONC N Z PIN, IN GAiYr OOAla 4Q• ''•'. 1V II. l.__ r' � 1 . rJ ,• q�' s : f � ,i�uLl � Q r �ry"� : '� .4A,`IY ! •:9su![•AEiix+s � Q � r T _i's� �'7A�',"'?0. //�•. +�\LRrrc...rrilwirrr.. n. A f!sA r•,[7u _ ,� _ ___�•'`- � Yr� - L SS tE b .+Ii / _-___r J V gy[ u«...VtSSw m 06. J'r_T,-rLANE rnTne vAULrSOUTH352ND STREET ZVCONC E J-- RuMaZ� . � �� ',- _ . - -- —. c!•r.._�-': _ _c." `���..•_..=--._ i ��. a ,�°`°�S ';r�';�rrr�...r. r I�`u' l �� �rrrrw�:r� �# � � POWER q I _, 'i'++r— -.r ���-w - A L �.•_�__ - yj5� /Y Lu -. ,c �cLE •LtL F5' x N7 Gi1:D 'hG I _ NO. 201 EZ ��_�.'lr'f` ^rJ . !r I ` OFild �— ~ �.! 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L1 FF -230. ---ax Lu Q 185318-0010 /f �1 ,wAL+�' ..� - P C '� [ L2 FF ` 24O 5 2' H WALL k TEMPORARY CONSTRUCTION FENCE ` FEDERAL WAY - I +^'- i �-� 5 ' \ _ __ I y. - SILT FENCE aCc W SELF STORAGE ,y,,L R,II..a2r,",y l^ - r�rrr c d ry-^'I--Ir e�tir�r �r �r �r �r rr �r r�r-�r �r _ � ' •= OWN LINK `EAtE. 6' Iy in0 L7A�I2rL ' �• - 11 I / •.R 'aJ " `1 n , ,r a "■ r�r �r�r-�. i "' CLEARING LIMITS U • Y~ _u _..� _ I cHur LINE• CwC£ s' M „II....i+ 1 W F_ ... -WE _ TEMPORARY V-DITCH Q SDMH, P,IM=22E,03 I 1 - ^ _ _ Lu MID 49' CRAH=21fi,2`y CONC rJ-E ' JJ - ~ �• �- E - OE - F �. '�� I F ! 0 * f 0 DEMOLISH TREE J LL IE=221_tS 12"m CONE 5o _ $B I - , , r 1 • 'r'T,YS Q �� �+ • ; 1' / Fcq PHASE I _ �7r PlYT11uR1 1•�1�.�--x�c� y� , + I I W ^-_ __ ___4�_� ~ T I ; 4' HK�i WALL EROSION COWROL BMP'S W _ - ----- ----------- --- _- - - - . I.1 ; LL -------- - ---- - 1� ______ __ -� "-� _�_�__ CE TEMPORARY CONSTRUCTION ENTRANCE t.22T.17. i 'h j �%"�-J - !•. O OCNO OR TT{.. - --A' CL CLEARING UNITS � ALL a FMWI 2' HIQH WALL CONCRETE WASHOUT �rti h rf �; !` I DNWN UNK L'S 2i 1 • EA.EMENi pi 7lA Sryl AI 1r M, 5W LL Y.I HIN LINa FENCr, fi• RECC{ailna:i 4ND. SLOPE EASEMENT 110 _ ' 11 ,d r •> - IP STORM DRAIN INLET PROTECTION RECOP.625 NG r - €j • \`-� J �.� x 20750825001746 II I- j r $F TEMPORARY SILT FENCE PROTECTION y>lg�0 0 >a +'r 4' HDi WALL rslss{gL �a� -F 1 lJJ• . �4 rl ••' ® TEMPORARY V-DITCH W/ROCK CHECK DAMS •rPoA'AL {� r smFu vwlr, AIM=21J 9a SP TEMPORARY SEDIMENT POND 2/22/10 - 24 - _ IE=211 93, 12"m PP N jr ' f I! ` • IE=20198, 12 a PP 5 - t�� ~'^ al SDCR, RIM=22493 I _ `• UTILITi EASEMENT PEEOFF1111G. Ia �,Nj(O' • IE=211 I&, 6u'e CONE M. o c !�- IJ r=215 Ga, =a'a cD1lC s: ' � 15' DRAINAGE EASEMENT PER NOTE' - i C r rr Ir RECGROING 10, 9701060846 292104-9049 ALL TREE PROTECTION FENCING SHALL BE INSTALLED > • SL'G9, R4. 60_ 45 x ' r IE=2146J, 50"0 COHC SE HOT IIJCLIIOEU IN TITLE REPORT +I( DONALD B. RETAINED TREESNS SHALL CONSTRUCTION NOTE CLEARING AND GRADING 1 IE=214 54. 4sMURPa CCNC W I MURPHY ACTIONOT AFFECT OFFSITE STANDS OF TREES CON TRACTORS 8-el MAX .! AND VEGETATION RETENTION. _ i �$ r r' T1£YO HIGH LUJN PENCE,o - r ] HIGH / • . r+I r F CITY OF FEDERAL WAY 'I o d. up DETENTION POND I i v rn +• M-¢I0 t'AULT r + •.•1: ' Y1 ,r ENTERLINE OF - _ - "E1E DRIVEWAY r ' •r• • - '+ 1/I - SSMH, RIM=22_ 61 Q O N 00 IsO. 4.' 1 / m` fI Eo2077..79,1EIL MID DO N-S& W T Z W e (E) HYDl7XIT �...F" I 'Tr I I SDCR, RIM=217,47 S • � r �.g �..+ + .�*E=215 65. 12 -z CLIP SE $ a / x W TkiES. 0 / \I- RILLGOARD - RIP IUP SSMH, RIM=21 B 35 L --I"nGh MID CHANNEL ISE0=CI8l, i P1 !7, U' m 22CMP !WIE=0667 IJE-SW SDMN, r. RIM=218fia 1 _ IE=215 11. 12"o CONE M ' O N $ IE-215 ]6, 12'm CONC S E N� TESC Pond Calculation TO BE PROVIDED WITH FINAL DESIGN PLANS 9.0 BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF COVENANT Bond Quantities will be included in the following pages with the final design submittal. 18260.003.doc Bond Quantities TO BE PROVIDED WITH FINAL DESIGN PLANS 10.0 OPERATIONS AND MAINTENANCE MANUAL The drainage facilities on this project will be private facilities owned and maintained by CPSG Self Storage. Therefore, an Operations and Maintenance manual is required. An Operations and Maintenance Manual has been prepared and included within this section. 18260.003.doc Operations and Maintenance Manual OPERATIONS AND MAINTENANCE MANUAL GV4A0 S n � u � z Federal Way Premiere Storage 35200 Pacific Highway South Federal Way, Washington Prepared for: CPSG Self Storage Facility XII, LLC c/o Crystal Peaks Storage 15115 N.E. 67th Place Redmond, WA 98052 Revised February 21, 2018 April 25, 2017 Our Job No. 18260 18215 72ND AVENUE SOUTH KENT, WA 98032 (425) 251-6222 (425) 251-8782 FAX BRANCH OFFICES ♦ TUMWATER, WA ♦ KLAMATH FALLS, OR • LONG BEACH, CA ♦ ROSEVILLE, CA ♦ SAN DIEGO, CA www.barghausen.com TABLE OF CONTENTS 1.0 STATEMENTS APPENDIX MAINTENANCE ACTIVITY LOG MAINTENANCE STANDARDS FOR DRAINAGE FACILITIES GRADING AND DRAINAGE SITE PLAN 18260.006.doc 1.0 STATEMENTS The Operations and Maintenance Manual for the Federal Way Premiere Storage Facility shall be kept within the building with easy access to the City of Federal Way for their review at their disposal. The General Manager of the Federal Way Premiere Storage Facility will be responsible for maintaining the Operations and Maintenance Manual and having it available for inspection by the City whenever they deem necessary. This Operations and Maintenance Manual has been prepared to guide maintenance of the catch basins, conveyance piping, infiltration gallery and water quality units located throughout the property. The catch basins and roof drains serve to capture storm water runoff and convey it to the regional detention pond located to the southwest of the property or to the infiltration gallery onsite. The maintenance guidelines for all of these facilities are included on the following pages of this report. The following pages of this report include the following: • Maintenance Checklists from the 2016 King County, Washington Surface Water Design Manual. • A recommended format for a maintenance activity log that will indicate what maintenance actions have been taken for these facilities. • An 11- by 17-inch map of the site with the locations of storm water facilities prominently noted. Use photocopies of the enclosed maintenance activity log or one of your own choosing to document maintenance activities performed on the site. Keep these logs in an easily accessible location for City review. 18260.006.doc MAINTENANCE ACTIVITY LOG j MAINTENANCE ACTIVITY LOG DATE: Maintenance Component Defect Actions taken Catch Basins and Manholes Conveyance Pipes Fencing Gates/ Bollards/ Access Barriers Grounds (Landscaping) Infiltration Gallery Modular Wetland Units 18260.006.doc MAINTENANCE STANDARDS FOR DRAINAGE FACILITIES APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO.5 - CATCH BASINS AND MANHOLES Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When Component Maintenance is Performed Structure Sediment Sediment exceeds 60% of the depth from the Sump of catch basin contains no bottom of the catch basin to the invert of the sediment. lowest pipe into or out of the catch basin or is within 6 inches of the invert of the lowest pipe into or out of the catch basin. Trash and debris Trash or debris of more than Yz cubic foot which No Trash or debris blocking or is located immediately in front of the catch basin potentially blocking entrance to opening or is blocking capacity of the catch basin catch basin. by more than 10%. Trash or debris in the catch basin that exceeds No trash or debris in the catch '/a the depth from the bottom of basin to invert basin. the lowest pipe into or out of the basin. Dead animals or vegetation that could generate No dead animals or vegetation odors that could cause complaints or dangerous present within catch basin. gases (e.g., methane). Deposits of garbage exceeding 1 cubic foot in No condition present which would volume. attract or support the breeding of insects or rodents. Damage to frame Corner of frame extends more than 3/< inch past Frame is even with curb. and/or top slab curb face into the street (If applicable). Top slab has holes larger than 2 square inches Top slab is free of holes and cracks. or cracks wider than '14 inch. Frame not sitting flush on top slab, i.e., Frame is sitting flush on top slab. separation of more than 3/< inch of the frame from the top slab. Cracks in walls or Cracks wider than inch and longer than 3 feet, Catch basin is sealed and is bottom any evidence of soil particles entering catch structurally sound. basin through cracks, or maintenance person judges that catch basin is unsound. Cracks wider than''/z inch and longer than 1 foot No cracks more than 1/4 inch wide at at the joint of any inlet/outlet pipe or any the joint of inlet/outlet pipe. evidence of soil particles entering catch basin through cracks. Settlement/ Catch basin has settled more than 1 inch or has Basin replaced or repaired to design misalignment rotated more than 2 inches out of alignment. standards. Damaged pipe joints Cracks wider than '/,inch at the joint of the No cracks more than M.-inch wide at inlet/outlet pipes or any evidence of soil entering the joint of inlet/outlet pipes. the catch basin at the joint of the inlet/outlet pipes. Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Inlet/outlet Pipe Sediment Sediment filling 20% or more of the pipe. Inlet/outlet pipes clear of sediment. accumulation Trash and debris Trash and debris accumulated in inlet/outlet No trash or debris in pipes pipes (includes floatables and non-floatables). Damaged Cracks wider than 1/2-inch at the joint of the No cracks more than 1/4-inch wide at inlet/outlet pipes or any evidence of soil entering the joint of the inlet/outlet pipe. at the joints of the inlet/outlet pipes. 2016 Surface Water Design Manual — Appendix A 4/24/2016 A-9 APPENDIX A MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO.5 - CATCH BASINS AND MANHOLES Maintenance Defect or Problem Condition When Maintenance is Needed Results Expected When Component Maintenance is Performed Metal Grates Unsafe grate opening Grate with opening wider than 7/8 inch. Grate opening meets design (Catch Basins) standards. Trash and debris Trash and debris that is blocking more than 20% Grate free of trash and debris. of grate surface. footnote to guidelines for disposal Damaged or missing Grate missing or broken member(s) of the grate. Grate is in place and meets design Any open structure requires urgent standards. maintenance. Manhole Cover/Lid Cover/lid not in place Cover/lid is missing or only partially in place. Cover/lid protects opening to Any open structure requires urgent structure. maintenance. Locking mechanism Mechanism cannot be opened by one Mechanism opens with proper tools. Not Working maintenance person with proper tools. Bolts cannot be seated. Self-locking cover/lid does not work. Cover/lid difficult to One maintenance person cannot remove Cover/lid can be removed and Remove cover/lid after applying 80 lbs. of lift. reinstalled by one maintenance person. 4/24/2016 2016 Surface Water Design Manual — Appendix A A-10 APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO.6 - CONVEYANCE PIPES AND DITCHES Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Pipes Sediment & debris Accumulated sediment or debris that exceeds Water flows freely through pipes. accumulation 20% of the diameter of the pipe. Vegetation/roots Vegetation/roots that reduce free movement of Water flows freely through pipes. water through pipes. Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Damage to protective Protective coating is damaged; rust or corrosion Pipe repaired or replaced. coating or corrosion is weakening the structural integrity of any part of pipe. Damaged Any dent that decreases the cross section area Pipe repaired or replaced. of pipe by more than 20% or is determined to have weakened structural integrity of the pipe. Ditches Trash and debris Trash and debris exceeds 1 cubic foot per 1,000 Trash and debris cleared from square feet of ditch and slopes. ditches. Sediment Accumulated sediment that exceeds 20% of the Ditch cleaned/flushed of all accumulation design depth. sediment and debris so that it matches design. Noxious weeds Any noxious or nuisance vegetation which may Noxious and nuisance vegetation constitute a hazard to County personnel or the removed according to applicable public. regulations. No danger of noxious vegetation where County personnel or the public might normally be. Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Vegetation Vegetation that reduces free movement of water Water flows freely through ditches. through ditches. Erosion damage to Any erosion observed on a ditch slope. Slopes are not eroding. slopes Rock lining out of One layer or less of rock exists above native soil Replace rocks to design standards. place or missing (If area 5 square feet or more, any exposed native Applicable) soil. 2016 Surface Water Design Manual — Appendix A 4/24/2016 AA 1 APPENDIX A MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES F NO.9 - FENCING Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Site Erosion or holes Erosion or holes more than 4 inches high and 12- No access under the fence. under fence 18 inches wide permitting access through an opening under a fence. Wood Posts, Boards Missing or damaged Missing or broken boards, post out of plumb by No gaps on fence due to missing or and Cross Members parts more than 6 inches or cross members broken broken boards, post plumb to within 1'/z inches, cross members sound. Weakened by rotting Any part showing structural deterioration due to All parts of fence are structurally or insects rotting or insect damage sound. Damaged or failed Concrete or metal attachments deteriorated or Post foundation capable of post foundation unable to support posts. supporting posts even in strong wind. Metal Posts, Rails Damaged parts Post out of plumb more than 6 inches. Post plumb to within 1'/z inches. and Fabric Top rails bent more than 6 inches. Top rail free of bends greater than 1 inch. Any part of fence (including post, top rails, and Fence is aligned and meets design fabric) more than 1 foot out of design alignment. standards. Missing or loose tension wire. Tension wire in place and holding fabric. Deteriorated paint or Part or parts that have a rusting or scaling Structurally adequate posts or parts protective coating condition that has affected structural adequacy. with a uniform protective coating. Openings in fabric Openings in fabric are such that an 8-inch Fabric mesh openings within 50% of diameter ball could fit through. grid size. 4/24/2016 2016 Surface Water Design Manual — Appendix A A-14 APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO.10 - GATES/BOLLARDS/ACCESS BARRIERS Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Chain Link Fencing Damaged or missing Missing gate. Gates in place. Gate members Broken or missing hinges such that gate cannot Hinges intact and tubed. Gate is be easily opened and closed by a maintenance working freely. person. Gate is out of plumb more than 6 inches and Gate is aligned and vertical. more than 1 foot out of design alignment. Missing stretcher bar, stretcher bands, and ties. Stretcher bar, bands, and ties in place. Locking mechanism Locking device missing, no -functioning or does Locking mechanism prevents does not lock gate not link to all parts. opening of gate. Openings in fabric Openings in fabric are such that an 8-inch Fabric mesh openings within 50% of diameter ball could fit through. grid size. Bar Gate Damaged or missing Cross bar does not swing open or closed, is Cross bar swings fully open and cross bar missing or is bent to where it does not prevent closed and prevents vehicle access. vehicle access. Locking mechanism Locking device missing, no -functioning or does Locking mechanism prevents does not lock gate not link to all parts. opening of gate. Support post Support post does not hold cross bar up. Cross bar held up preventing vehicle damaged access into facility. Bollards Damaged or missing Bollard broken, missing, does not fit into support No access for motorized vehicles to hole or hinge broken or missing. get into facility. Does not lock Locking assembly or lock missing or cannot be No access for motorized vehicles to attached to lock bollard in place. get into facility. Boulders Dislodged Boulders not located to prevent motorized No access for motorized vehicles to vehicle access. get into facility. Circumvented Motorized vehicles going around or between No access for motorized vehicles to boulders. get into facility. 2016 Surface Water Design Manual — Appendix A 4/24/2016 A-15 APPENDIX A MAINTENANCE REQUIREMENTS FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO. 11 -GROUNDS (LANDSCAPING) Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Site Trash or litter Any trash and debris which exceed 1 cubic foot Trash and debris cleared from site. per 1,000 square feet (this is about equal to the amount of trash it would take to fill up one standard size office garbage can). In general, there should be no visual evidence of dumping. Noxious weeds Any noxious or nuisance vegetation which may Noxious and nuisance vegetation constitute a hazard to County personnel or the removed according to applicable public. regulations. No danger of noxious vegetation where County personnel or the public might normally be. Contaminants and Any evidence of contaminants or pollution such Materials removed and disposed of pollution as oil, gasoline, concrete slurries or paint. according to applicable regulations. Source control BMPs implemented if appropriate. No contaminants present other than a surface oil film. Grass/groundcover Grass or groundcover mowed to a Grass or groundcover exceeds 18 inches in height. height no greater than 6 inches. Trees and Shrubs Hazard Any tree or limb of a tree identified as having a No hazard trees in facility. potential to fall and cause property damage or threaten human life. A hazard tree identified by a qualified arborist must be removed as soon as possible. Damaged Limbs or parts of trees or shrubs that are split or Trees and shrubs with less than 5% broken which affect more than 25% of the total of total foliage with split or broken foliage of the tree or shrub. limbs. Trees or shrubs that have been blown down or No blown down vegetation or knocked over. knocked over vegetation. Trees or shrubs free of injury. Trees or shrubs which are not adequately Tree or shrub in place and supported or are leaning over, causing exposure adequately supported; dead or of the roots. diseased trees removed. 4/24/2016 2016 Surface Water Design Manual — Appendix A A-16 APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL, CONVEYANCE, AND WQ FACILITIES NO. -25 - DRYWELL BMP Maintenance "-� Defect or Problem Conditions When Maintenance is Needed Results Exp�i-llhen Component Maintena ormed Preventative Plug gin bstructions Any cause limiting flow into drywell. II able to receive full flow prior and during wet season. Site Trash and debris Trash or debris that could end up in the d ell4!D No trash or debris that could get into vident. the drywell can be found. Pipes Inlet is plugged The en a to the pipe is r icted due to The entrance to the pipe is not sediment, tra or deb ' restricted. Vegetation/roots Vegetationlroo a uce free movement of Water flows freely through pipes. water thro pipes. Plugged 5 ' ent or other material preven ree Itof Water flows freely through pipes. ater through the pipe. Broken or join ks. Damage to the pipe or pipe joints allowing wets Pipe does not allow water to exit to seep out. er than at the outlet. Structure B n leaks Holes or breaks in the basin allow water to leave Basin algid and allows water to the basin at locations other than per design. exit only wh designed. Filter Media Filter media plugged Filter media plugged. Flow through filter m a is normal. Ins ion Frequency Annually and prior to and following significant storms. Inspect drywell system for a defects of deficiencies. NO.26 - GRAVEL FILLED INFILTRATION TRENCH BMP Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Preventative Blocking, obstructions Debris or trash limiting flow to infiltration trench. Infiltration trench able to receive full flow prior to and during wet season. Site Trash and debris Trash or debris that could end up in the No trash or debris that could get into infiltration trench is evident. the infiltration trench can be found. Pipes Inlet is plugged The entrance to the pipe is restricted due to The entrance to the pipe is not sediment, trash, or debris. restricted. Vegetation/roots Vegetation/roots that reduce free movement of Water flows freely through pipes. water through pipes. Plugged Sediment or other material prevents free flow of Water flows freely through pipes. water through the pipe. Broken or joint leaks. Damage to the pipe or pipe joints allowing water Pipe does not allow water to exit to seep out. other than at the outlet to the trench. Structure Flow not reaching Flows are not getting into the trench as Water enters and exits trench as trench designed. designed. Cleanout/inspection The cleanout/inspection access is not available. Cleanout/inspection access is access does not allow available. cleaning or inspection of trench Filter Media Filter media plugged Filter media plugged. Flow through filter media is normal. Inspection Frequency Annually and prior to and following significant Inspect infiltration trench system for storms. any defects of deficiencies. 2016 Surface Water Design Manual - Appendix A 4/24/2016 A-35 Save Valuable Land and Protect Water Resources Stormiffieche Detention • Retention • Water Quality A division of � � LLL(UrAKI LM _ !'Ih.. R � � r ram• � � �._..� i �J� "'w�4!. v .3 " � � `u Isolator Row O&M Manual StormTech° Chamber System for Stormwater Management 1.0 The Isolator° Row 1.1 INTRODUCTION An important component of any Stormwater Pollution Prevention Plan is inspection and maintenance. The StormTech Isolator Row is a patented technique to inexpensively enhance Total Suspended Solids (TSS) removal and provide easy access for inspection and maintenance_ Looking down the Isolator Row from the manhole opening, woven geotextile is shown between the chamber and stone base. 1.2 THE ISOLATOR ROW The Isolator Row is a row of StormTech chambers, either SC-310, SC-310-3, SC-740, DC-780, MC-3500 or MC- 4500 models, that is surrounded with filter fabric and con- nected to a closely located manhole for easy access. The fabric -wrapped chambers provide for settling and filtra- tion of sediment as storm water rises in the Isolator Row and ultimately passes through the filter fabric. The open bottom chambers and perforated sidewalls (SC-310, SC- 310-3 and SC-740 models) allow storm water to flow both vertically and horizontally out of the chambers. Sediments are captured in the Isolator Row protecting the storage areas of the adjacent stone and chambers from sediment accumulation. Two different fabrics are used for the Isolator Row. A woven geotextile fabric is placed between the stone and the Isolator Row chambers. The tough geotextile provides a media for storm water filtration and provides a durable surface for maintenance operations. It is also designed to prevent scour of the underlying stone and remain intact during high pressure jetting. A non -woven fabric is placed over the chambers to provide a filter media for flows passing through the perforations in the sidewall of the chamber. The non -woven fabric is not required over the DC-780, MC-3500 or MC-4500 models as these chambers do not have perforated side walls. The Isolator Row is typically designed to capture the "first flush" and offers the versatility to be sized on a vol- ume basis or flow rate basis. An upstream manhole not only provides access to the Isolator Row but typically includes a high flow weir such that storm water flowrates or volumes that exceed the capacity of the Isolator Row overtop the over flow weir and discharge through a manifold to the other chambers. The Isolator Row may also be part of a treatment train. By treating storm water prior to entry into the chamber system, the service life can be extended and pollutants such as hydrocarbons can be captured. Pre-treatment best management practices can be as simple as deep sump catch basins, oil -water separators or can be inno- vative storm water treatment devices. The design of the treatment train and selection of pretreatment devices by the design engineer is often driven by regulatory requirements. Whether pretreatment is used or not, the Isolator Row is recommended by StormTech as an effective means to minimize maintenance requirements and maintenance costs. Note: See the StormTech Design Manual for detailed information on designing inlets for a StormTech system, including the Isolator Row. StormTech Isolator Row with Overflow Spillway (not to scale) _ OPTIONAL PRE-TREATMENT STORMTECH ISOLATOR ROW MANHOLE - WITH OVERFLOW WEIR ECCENTRIC HEADER OPTIONAL ACCESS `' STORMTECH CHAMBERS 2 Call StormTech at 888.892.2694 or visit our website at www.stormtech.com for technical and product information, 1J 2.0 Isolator Row Inspection/Maintenance StormTedh- 2.1 INSPECTION The frequency of Inspection and Maintenance varies by location. A routine inspection schedule needs to be established for each individual location based upon site specific variables. The type of land use (i.e. industrial, commercial, residential), anticipated pollutant load, per- cent imperviousness, climate, etc. all play a critical role in determining the actual frequency of inspection and maintenance practices. At a minimum, StormTech recommends annual inspec- tions, Initially, the Isolator Row should be inspected every 6 months for the first year of operation. For subsequent years, the inspection should be adjusted based upon previous observation of sediment deposition. The Isolator Row incorporates a combination of standard manhole(s) and strategically located inspection ports (as needed). The inspection ports allow for easy access to the system from the surface, eliminating the need to perform a confined space entry for inspection purposes. If upon visual inspection it is found that sediment has accumulated, a stadia rod should be inserted to deter- mine the depth of sediment. When the average depth of sediment exceeds 3 inches throughout the length of the Isolator Row, clean -out should be performed. 2.2 MAINTENANCE The Isolator Row was designed to reduce the cost of periodic maintenance. By "isolating" sediments to just one row, costs are dramatically reduced by eliminating the need to clean out each row of the entire storage bed. If inspection indicates the potential need for main- tenance, access is provided via a manhole(s) located on the end(s) of the row for cleanout. If entry into the manhole is required, please follow local and OSHA rules for a confined space entries. StormTech Isolator Row (not to scale) OPTIONAL INSPECTION PORT LOCATION PER ENGINEER'S DRAWING (4-1100 -1 O PVC 1Y'PJ CATCH BASIN OR I I _ . MANHOLE 1 V SUMP DEPTH BY Examples of culvert cleaning nozzles appropriate for Isolator Row maintenance. (These are not StormTech products.) Maintenance is accomplished with the JetVac process. The JetVac process utilizes a high pressure water noz- zle to propel itself down the Isolator Row while scouring and suspending sediments. As the nozzle is retrieved, the captured pollutants are flushed back into the man- hole for vacuuming. Most sewer and pipe maintenance companies have vacuum/JetVac combination vehicles. Selection of an appropriate JetVac nozzle will improve maintenance efficiency. Fixed nozzles designed for cul- verts or large diameter pipe cleaning are preferable. Rear facing jets with an effective spread of at least 45" are best. Most JetVac reels have 400 feet of hose allow- ing maintenance of an Isolator Row up to 50 chambers long. The JetVac process shall only be performed on StormTech Isolator Rows that have AASHTO class 1 woven geotextile (as specified by StormTech) over their angular base stone. COVER ENTIRE ROW WITH ADS 601T NON -WOVEN GEOTEX71LE(OR EQUAL) STORMTECH END CAP SG740-6' (24 m) WIDE STRIP �1�T40 SHOWN) SG310 8 SC-310-3 - 5' (1.5 M5 H15E STWp r! 7' \--1 LAYERS OF ADS 315 WOVEN GEOTEXTILE (OR EOUAL) 51,140 DF790, MG35008 500.24' (600 mm) PIPE CHAMBER (SC-740 SHOWN) BETWEEN STONE BASE AND CHAMBERS SG310 & SG3 10-3- 12' 1300 mml PIPE M�500- 10.3' (3.1 m) WIDE STRIP (ADS 315WTM) MC-3500- B.25' (25 m) WIDE STRIP (ADS 315WTM) SC-740 & DG760- 5' (1.5 m) WIDE STRIP (ADS 315WTK) SC-310 A SC-310-3-4' (1.2 m) WIDE STRIP (ADS 315WTK) NOTE: NON -WOVEN FABRIC IS ONLY REQUIRED OVER THE INLET PIPE CONNECTION INTO THE END CAP FOR DC-780, MC-3500 AND MC-4500 CHAMBER MODELS AND IS NOT REQUIRED OVER THE ENTIRE ISOLATOR ROW. Call StormTech at 888.892.2694 or visit our website at www.stormtech.com for technical and product information. 3 3.0 Isolator Raw Step By Step Maintenance Procedures Step 1) Inspect Isolator Row for sediment StormTech Isolator Row (not to scale) A) Inspection ports (if present) 1� i. Remove lid from floor box frame ii. Remove cap from inspection riser iii. Using a flashlight and stadia rod, measure depth of sediment and record results on maintenance log. iv. If sediment is at, or above, 3 inch depth proceed to Step 2. If not 3 proceed to step 3. B) All Isolator Rows i. Remove cover from manhole at upstream end of Isolator Row ii. Using a flashlight, inspect down Isolator Row through outlet pipe 1. Mirrors on poles or cameras may be used to avoid a confined space entry 2. Follow OSHA regulations for confined space entry if entering manhole iii. If sediment is at or above the lower row of sidewall holes (approximately 3 inches) proceed to Step 2. If not proceed to Step 3. Step 2) Clean out Isolator Row using the JetVac process A) A fixed culvert cleaning nozzle with rear facing nozzle spread of 45 inches or more is preferable B) Apply multiple passes of JetVac until backflush water is clean C) Vacuum manhole sump as required Step 3) Replace all caps, lids and covers, record observations and actions Step 4) Inspect & clean catch basins and manholes upstream of the StormTech system Sample Maintenance Log Stormffi;etche D • Retention • Water Duality A division of MW Kttu►&-- 70Inwood Road, Suite 3 Rocky Hill Connecticut 106067 860.529.8188 1888.892.2694 tax 866.328.8401 www.stormtech.com ADS 'Terms and Conditions of Sale" are available on the ADS website, www.ads-pipe.com Advanced Drainage Systems, the ADS logo, and the green stripe are registered trademarks of Advanced Drainage Systems. StormtechO and the Isolator" Row are registered trademarks of StormTech, Inc. Green Building Council Member logo is a registered trademark of the U.S. Green Building Council. © 2013 Advanced Drainage Systems, Inc. S090809 02/13 1 M O D U L A R Maintenance Guidelines for Modular Wetland System - Linear Maintenance Summary o Remove Trash from Screening Device - average maintenance interval is 6 to 12 months. ■ (5minute average service time). o Remove Sediment from Separation Chamber - average maintenance interval is 12 to 24 months. • (10 minute average service time) . o Replace Cartridge Filter Media - average maintenance interval 12 to 24 months. ■ (10-15 minute per cartridge average service time). o Replace Drain Down Filter Media - average maintenance interval is 12 to 24 months. (5 minute average service time). o Trim Vegetation - average maintenance interval is 6 to 12 months. (Service time varies). System Diagram Inflow Pipe (optional) P C Access to screening device, separation chamber and cartridge filter www.modularwetiands.com uiscnarge Chamber Irain now Maintenance Procedures Screening Device WETLANDS 1. Remove grate or manhole cover to gain access to the screening device in the Pre - Treatment Chamber. Vault type units do not have screening device. Maintenance can be performed without entry. 2. Remove all pollutants collected by the screening device. Removal can be done manually or with the use of a vacuum truck. The hose of the vacuum truck will not damage the screening device. 3. Screening device can easily be removed from the Pre -Treatment Chamber to gain access to separation chamber and media filters below. Replace grate or manhole cover when completed. Separation Chamber 1. Perform maintenance procedures of screening device listed above before maintaining the separation chamber. 2. With a pressure washer spray down pollutants accumulated on walls and cartridge filters. 3. Vacuum out Separation Chamber and remove all accumulated pollutants. Replace screening device, grate or manhole cover when completed. Cartridge Filters 1. Perform maintenance procedures on screening device and separation chamber before maintaining cartridge filters. 2. Enter separation chamber. 3. Unscrew the two bolts holding the lid on each cartridge filter and remove lid. 4. Remove each of 4 to 8 media cages holding the media in place. 5. Spray down the cartridge filter to remove any accumulated pollutants. 6. Vacuum out old media and accumulated pollutants. 7. Reinstall media cages and fill with new media from manufacturer or outside supplier. Manufacturer will provide specification of media and sources to purchase. 8. Replace the lid and tighten down bolts. Replace screening device, grate or manhole cover when completed. Drain Down Filter 1. Remove hatch or manhole cover over discharge chamber and enter chamber. 2. Unlock and lift drain down filter housing and remove old media block. Replace with new media block. Lower drain down filter housing and lock into place. 3. Exit chamber and replace hatch or manhole cover. www.modularwetlands.com Notes 1. Following maintenance and/or inspection, it is recommended the maintenance operator prepare a maintenance/inspection record. The record should include any maintenance activities performed, amount and description of debris collected, and condition of the system and its various filter mechanisms. 2. The owner should keep maintenance/inspection record(s) for a minimum of five years from the date of maintenance. These records should be made available to the governing municipality for inspection upon request at any time. 3. Transport all debris, trash, organics and sediments to approved facility for disposal in accordance with local and state requirements. 4. Entry into chambers may require confined space training based on state and local regulations. 5. No fertilizer shall be used in the Biofiltration Chamber. 6. Irrigation should be provided as recommended by manufacturer and/or landscape architect. Amount of irrigation required is dependent on plant species. Some plants may require irrigation. www.modularwetlands.com WETLANDS - Maintenance Procedure Illustration Screening Device The screening device is located directly under the manhole or grate over the Pre -Treatment Chamber. It's mounted directly underneath for easy access and cleaning. Device can be cleaned by hand or with a vacuum truck. Separation Chamber The separation chamber is located directly beneath the screening device. It can be quickly cleaned using a vacuum truck or by hand. A pressure washer is useful to assist in the cleaning process. www.modularwetlands.com Cartridge Filters 1;�, WETLANDS The cartridge filters are located in the Pre -Treatment chamber connected to the wall adjacent to the biofiltration chamber. The cartridges have removable tops to access the individual media filters. Once the cartridge is open media can be easily removed and replaced by hand or a vacuum truck. Drain Down Filter The drain down filter is located in the Discharge Chamber. The drain filter unlocks from the wall mount and hinges up. Remove filter block and replace with new block. www.modularwetlands.com Trim Vegetation WETLANDS Vegetation should be maintained in the same manner as surrounding vegetation and trimmed as needed. No fertilizer shall be used on the plants. Irrigation per the recommendation of the manufacturer and or landscape architect. Different types of vegetation requires different amounts of irrigation. www.modularwetiands.com * . Inspection Form Modular Wetland System, Inc. P. 760.433-7640 F. 760-433-3176 E.Info modular►nretlands.com www.modularwetiands.com WETLANDS 81to CLEAN* L N MIA QNME R FAL 'Wityre r s. INC .:lent Name Project Address Owner / Management Company Contact Inspector Name Type of Inspection ❑ Routine ❑ Follow Up ❑ Complaint Weather Condition Inspection Report Modular Wetlands System Phone ( ) Date ❑ Storm Additional Notes (ary) (Zip Code) For Office I Iga Only the Ii=.ft r Time AM / PM Storrs Event in Last 72-hours? ❑ No ❑ Yes Inspection Checklist Modular Wetland System Type (Curb, Grate or UG Vault): Size (22', 14' or etc.): Structural Integrity: Yes No Comments Damage to pre-treatment access cover (manhole cover/grate) or cannot be opened using normal lifting pressure? Damage to discharge chamber access cover (manhole cover/grate) or cannot be opened using normal lifting pressure? Does the MWS unit show signs of structural deterioration (cracks in the wall, damage to frame)? Is the inlettoutlet pipe or drain down pipe damaged or otherwise not functioning properly? *king Condition: nere evidence of illicit discharge or excessive oil, grease, or other automobile fluids entering and clogging th unit? Is there standing water in inappropriate areas after a dry period? Is the filter insert (if applicable) at capacity and/or is there an accumulation of debris/trash on the shelf system? Does the depth of sediment/trash/debris suggest a blockage of the inflow pipe, bypass or cartridge filter? If yes specify which one in the comments section. Note depth of accumulation in in pre-treatment chamber. Qnp1i' Does the cartridge filter media need replacement in pre-treatment chamber and/or discharge chamber? Chamber Any signs of improper functioning in the discharge chamber? Note issues in comments section. Other Inspection Items: Is there an accumulation of sediment/trash/debris in the wetland media (if applicable)? Is it evident that the plants are alive and healthy (if applicable)? Please note Plant Information below. r1s there a septic or foul odor coming from inside the system? Plant Information Waste: Yes No Recommended Maintenance Sediment / Silt / Clay No Cleaning Needed Damage to Plants Trash / Bags / Bottles Schedule Maintenance as Planned Plant Replacement Green Waste / Leaves / Foliage Needs Immediate Maintenance Plant Trimming 2972 San Luis Rey Road, Oceanside, CA 92058 P (760) 433-7640 F (760) 433-3176 WETLANDS Maintenance Report IN v yy iv. hirn�w,, . • � ` � "T Yfn k. (71-0)433 764Pi Vol v �. -all • �;.i-..�,.. �t-.�.'� a� 1� III :.��� :fl � Ll Modular Wetland System, Inc. P. 760.433-7640 F. 760-433-3176 E. l nfoOmodu la rwetl ands.com www.modularwetlands.com 01CLEAN' cleaning and Maintenance Report ENVIXONMLNT4 SeIMCE5, INc Modular Wetlands System VETAMaS' Proiect Name Proiect Address Owner / Management Company Contact Inspector Name Type of Inspection ❑ Routine ❑ Follow Up ❑ Complaint Weather Condition Phone ( ) Date I ❑ Storm Additional Notes (city) (Zip Code) , For rrntspkJ§o0M Office perwnnrLsn .*rrp,dn --r' l�n 1� 1" bit I Time AM/PM Storm Event in Last 72-hours? ❑ No ❑ Yes Site Map # GPS Coordinates of Insert Manufacturer / Description / Sizing Trash Accumulation Foliage Accumulation Sediment Accumulation Total Debris Accumulation Condition of Media 25/50/75/100 (will be changed @ 75%) Operational Per Manufactures' Specifications (If not, why?) Let: MWS Catch Basins Lon : MWS Sedimentation Basin Media Filter Condition Plant Condition Drain Down Media Condition Discharge Chamber Condition Drain Down Pipe Condition Inlet and Outlet Pipe Condition Comments: 2972 San Luis Rey Road, Oceanside, CA 92058 P. 760.433.7640 F. 760.433.3176 GRADING AND DRAINAGE SITE PLAN I Portion of NE 1/4 of SEC. 20, T. 21 N., R. 4 E, W.M, CITY OF FEDERAL WAY, KING COUNTY WASHINGTON PRELIMINARY DRAINAGE AND GRADING PLAN - Y-40' p .207104-9148 : _ Q FOUND, 2 112• ftM: UNITED - -- iaV 15 :LOPE EASEMENT 0 20 40 BO W FILLED V" C ATM // _ PIN. P, OAiE i ay RENTALS �FFCOR(611h - • .._. 15' DRAINAGE EASEMENT Q Q ••.a:� 1' ]01*rO6tj0pfaYa P C 95s205G_9! w ' _ --_� 'n� ._ - '• [ mn -. ._.. -- row Z _ -- - - _—.—.r--,_= SOUTH 352i�1i]STREET a cc �;-•---•- :ter .�.v,<. 7. NO. 201 7.•T 11 y��pK� B IMPERVIOUS SURFACE TABLE a 101' Smill isVVCN +i tit Li -2WN' :,6.rT SITE AREA = 224.853 SF O B6C01 A 1Cp { y`' �%LDNG A IMPERVIOUS, SO- FL, EXISTING = 0 S.F. (OR) H % 3+00 Fr-2WS - Npp �.u] 1 IepOF IXWWS£-7 -�x'�, li IMPERVIOUS, SO, FL, PROPOSED = 179,650 SF (BO%) a :'1 . t• r / _ _ - 6:aD ROVTE0 Dy1 -y TO 7-11 i ln]R1T10N�GALLYER° '„3i.� .,� �iaTFWOMpFkEkR-- i _ caa•, 3 ARIIIVYORK ESTIMATE 3 3 EDEP,AL WAY f f + ry k '� `fj l� � ' ON -SITE CUT/FILL = 12:000 CF C Q' T` H WALL EXPORT = 1000 CF c ,ELF STORAGE [a',S' j� uuml _ --T i Q Y.•••. _ III + 'l--r lr- r� r,r , Ica r,r-Ir t{',r,r ,r -. >-,r,r ,r lam. .'.1•E W 12, s° �jo�230"-%---- - J fL W Q r '•A'�ili j , , f ' A - _ WATER WAL" IJW M O r . T (AV MODULAR WETLAND) LL( 04 0 hNC,>Ff WALL w0 4-) co � -.-d,<< �` '� \\ i=T'• h WALL. . . _ _'a`T•,�- Fslile � GLIY ry` !1 4 HCfi 1AAt :�1 I:� Na MINTo� xAs SLOPE EASEMENT 1''l ,� .. 8801:30,74 n r RECORDING NO, 2015062500174E A /. v~ .• � � � 4' HIQH WALL 192' 30'xx6.75 snaso o RQ;LiFiATION GALLERY W/60• r�C15T1�' J� V STORMTECH MC -4WD CHAMOM 2/22/18 - 7i r. " UTILITY EASEMENT RECCM60 n • 4:� ` •r NQ- 1 14 2i _ , .'} _ 15' DRAINAGE EASEMENT PER "4 8 i1. RECORDING N0. 970106084E 2921G4-9049 = •1• I _ NOT INCLUDED IN TITLE REPORT DONALD D. MURPHY S-31 MAX. CONTRACTORS ^I 4 A o e° CITY OF FEDERAL WAY I^ Q f� *' DETENTION POND zu z spy //} ^_ _KA•,�. DO N m Z �• ♦ /! 1 M1 �]'-V. k-a u 1 Z Obi AND'10 W p (E) HIORANT I P `; f �3 N W N N tw . � R QUALITYUYD O _ E <O MODULAR WETLAND) T