17-100640 and 17-100641CITY OF
�. Federal Way
June 1, 2017
Jon Suddarth
William Warren Group
5200 East Evans Avenue
Denver, CO 80222
jsuddarth@williamwarren.com
1FILE
CITY HALL
33325 8th Avenue South
Federal Way, WA 98003-6325
(253) 835-7000
www. cityoffederalway.. com
Jim Ferrell, Mayor
RE: File #17-100640-00-UP; PROCESS III PROJECT APPROVAL
Storquest Federal Way, 29600 Pacific Highway South, Federal Way, WA
Dear Mr. Suddarth:
The Community Development Department has completed an administrative land use review of the
proposed Storquest Self -Storage project located at 29600 Pacific Highway South on King County Parcel
number 042104-9036. The applicant proposes a 100,000 square -foot, four-story self -storage facility with
nine parking stalls, three loading stalls and associated site work.
The Process III Master Land Use (MLU) application submitted February 16, 2017, with subsequent
resubmittals on April 5, 2017 and April 26, 2017, is hereby conditionally approved 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.
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.
\-Ir. SUddarlh
lone 1, 2017
Page 2
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
Followinc, review of the environmental checklist, the city determined the proposal would not have a
probable significant adverse impact on the environment. an E77147°01rental Impact Statement is not
required. The City of Federal Way issued an Optional Determination ofNonsignificance (DNS) in
conjunction with a Notice of Application on March 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 April 17, 2017, pursuant to Washington Administrative Code
(WAC) 197-1 1-355. No appeals were received on the DNS and the SEPA determination was final on
May 8, 2017.
CONDITIONS OF APPROVAL
The following conditions are reasonably necessary to eliminate or minimize any undesirable effects of
granting application approval.
1. With the building permit application plans, the material for the pedestrian path across the parking area
shall be specified and include a variation of material, texture or color. Paint striping is not permitted.
2. The final landscape plan submitted with the building permit application shall be revised to implement at
least one tree in the landscape island at the north end of the six parking stalls per FWRC
19.125.070(5)(a) and 19.125.050(4).
3. With the building permit application plans, the materials for the gate for the trash enclosure area shall
be specified. Chain link fence is not acceptable.
BUILDING PERMIT REQUIREMENTS
This Process III land use decision does not constitute a building permit, or authorize clearing/gradinP
activities. If you have any questions regarding the building permit submittal requirements, please contact
the Permit Center at 253-835-2607, or permitcentenc cit%of%[Ieralway.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 19.15.100.2, 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.
17-100640-00-UP Doc I D 75SOS
Mr. Suddarth
June 1. 2017
Page 3
APPEALS
Per FWRC 19.05.360, the effective date of issuance is three calendar days following the date of this letter,
or June 4, 2017. 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 June 19, 2017. 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 Senior Planner Jim Harris at 253-835-2652,
orjlm.harris@,ci!yoffeder,i]wLay.com.
Sincerely,
Brian Davis
Community Development Director
enc: Exhibit `A' Findings for Project Approval
Approved Site Plan by Navix, Sheets C-1.0, & C-2.0 dated revised 4-24-17
Approved Architectural Site Plan, Elevations & Materials by Magellin Architects, Sheets A0.10, A3.10, A3.20, A3.30
dated revised 4-21-17
Approved Landscape Plan by Nakano Associates, Sheet L-1.0 dated revised 4-24-17
C: Navix Engineering Inc., Jenelle Taflin, PE, jtaflin@navixeng.com
navixeng.com
Jim Harris, Senior Planner
Kevin Peterson, Engineering Plans Reviewer
Erik Preston, Senior Traffic Engineer
Chris Cahan, South King Fire & Rescue
Brian Asbury, Lakehaven Water and Sewer District
John Wilson, King County Assessor, #ADM-AS-0708, 500 4`h Avenue, Seattle, WA 98104
17-100640-00-UP
Doc. I.D. 75808
FiLE
CITY OF
derai Way
Exhibit A
Findings for Project Approval
Federal Way Revised Code (FWRC) Chapter 19.65, "Process III Project Approval"
Storquest Self -Storage Project, File #17-100640-00-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 February 16, 2017 and subsequent revisions and additional information submitted
April 5, 2017 (Terracon), and April 26, 2017.
Proposal — Construction of a 100,000 square -foot, four-story self -storage facility with 12 parking
stalls, and associated site work on a 1.05-acre site.
2. Zoning and Comprehensive Plan Designation — Zoning for the subject property is Community
Business (BC). A self -storage facility is a permitted use in the BC zoning district pursuant to FWRC
19.220.030, "Vehicle and equipment sales, service, repair and rental - Self-service storage facilities."
The Federal Way Comprehensive Plan (FWCP) designation for the subject property is Community
Business.
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.
4. State Environmental Policy Act (SEPA) — 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 an Optional
Determination of Nonsignificance (DNS) in conjunction with a Notice of Application on March 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 April
17, 2017, pursuant to Washington Administrative Code (WAC) 197-11-355. No appeals were
received on the DNS and the SEPA determination was final on May 8, 2017.
Public Notice — Pursuant to Process III regulations, a Notice of Land Use Application (NOA) and
Optional SEPA DNS was published in the Federal Way Mirror, posted on the subject property, and
displayed on the designated city notice boards on March 17, 2017. Notices were also mailed to
property owners within 300 feet of the subject property.
6. Bulk & Dimensional Requirements — Per FWRC 19.220.030, a self -storage facility in the BC zoning
district requires the following minimum structural setbacks: 40 feet in the front; 15 feet on sides and
rear. All setbacks are satisfied. No maximum lot coverage applies.
The maximum height allowed per FWRC 19.220.030 for this use in the BC zone is 35 feet, with a
potential increase up to 55 feet under certain conditions identified in note 1. In addition, the subject
property is located adjacent to a residential zone to the ),vest, therefore, pursuant to FWRC
19.220.030 note 2. within 100 feet of the residential zone, a maximum building height of 30 feet is
permitted.
The proposed building includes upper floor (vertical) modulation (wedding calve design) in order to
meet the height regulations for the site and use.
■ The main portion of the building is 43 feet tall.
■ The rear (easterly) 22 feet of the building is within 100 feet of a residential zoned property, and
this portion of the building is 30 feet in height as required by FWRC 19220.030.
• The building also has vertical modulation to meet the height regulations (wedding cake design)
and to reduce the height along the sides of the building in order to meet the height requirement
of FWRC 19.220.030 note (1)(c), which requires height over 35 feet to be setback from non-
residential zones by one foot for each foot of height over 35 feet. This height standard has been
met by bumping the building walls inward 10 feet along the building sides for that portion of
the building above 35 feet in height. The outer 10 feet of the sides (north and south elevation)
both meet the 35-foot height requirement, and the 10-foot bump inward allows for a 45-foot
building height for the remainder of the building (except that portion within 100 feet of the
residential zone discussed above).
The applicant's letter to the City dated April 25, 2017, adequately addresses the structural,
operational and design standards of the building height in response to FWRC 19.220.030 notes
(I )(a)&(d)•
All building setback and height minimum standards of FWRC 19.220.030 are met.
7. Parking Requirements — Per FWRC 19.220.030, required parking is one parking space per 300
square feet of the office gross floor area (gfa). The office area is 1,055 square feet (1,055/300=3.5),
for a total of 4 required parking spaces. The site plan depicts nine parking spaces plus three loading
zone spaces, which complies with FWRC 19.220.030.
Landscaping— Per FWRC 19.125.060(6), Type III landscaping a minimum of five feet in width is
required along all property lines. A minimum of Type IIi "Visual Buffer' landscaping five feet in
width is proposed along each property line.
Along the front (east) property line, additional landscape screening is required by FWRC
19.125.040(24), in order to screen the loading area from the public right-of-way. This additional
landscaping is shown on the preliminary landscape plan. In addition, screening of the parking stalls
from the public right-of-way per FWRC 19.125.070(5)(a) has been implemented by substantial
shrub plantings.
Both side yards exceed the minimum five feet width of planting (15 feet proposed) and include
landscaping throughout the 15-foot side yard area. The landscape type and density in the side yards
exceeds the minimum Type III landscape standards, and therefore receives credit for facade
screening under the Design Guidelines review.
Landscaping along the west property line exceeds the five-foot minimum width (15 feet proposed),
and includes planting the entire 15-foot rear yard. The landscape type also exceeds the minimum
Findings for Project Approval Page 2
Storquest Self -Storage Project File 417-100640-00-UP
Type III landscape standard and therefore receives credit for fagade screening under the Design
Guidelines review.
Per FWRC 19.125.070(2)(a)(i)(A), parking lot landscaping is required in the amount of 20 square
feet of landscaping per parking stall. The parking lot landscaping meets the minimum size and
location requirements of the FWRC. However, the parking lot landscape island located at the north
end of the six parking stalls needs to have at least one tree per FWRC 19.125.070 and 19.125.050(4).
The deviation noted on the landscape plan is not approved. The landscape plan needs to be revised to
include at least one tree in this parking lot landscape island.
The landscape plan as conditioned meets the minimum dimensional and general standards of the
FWRC for the proposed development. A condition of approval shall require the landscape plan
submitted with the building permit to comply with FWRC 19.125.070 and 19.125.050(4) to include
at least one tree in the landscape island at the north end of the six parking stalls. As conditioned, the
landscape plan is consistent with applicable standards set forth in FWRC Chapter 19.125.
9. Clearing & Grading— An engineering permit (EN) and/or grading permit (CO) will be required
prior to any site clearing and grading. Clearing and grading activities will be reviewed for
consistency with applicable standards set forth in FWRC Chapter 19.120. The preliminary cut/fill
analysis is that 8,400 cubic yards of cut and 400 cubic yards of fill are planned.
10. Tree Retention/Replacement — Pursuant to FWRC 19.120.130, compliance with the city's tree
density requirements in the BC zone (20 tree units per acre) requires a minimum of 21 tree units on
the subject property's 1.05 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 final detailed review of the plan will occur in conjunction with review of the
landscape plan submitted with a building permit.
11. Critical Areas — The subject property is -mapped as a geologically hazardous area (GHA), landslide
hazard area, as there is a steep slope area near the west side of the property with a steep rise of
approximately 35 feet that exceeds 40 percent slope. The building as proposed intrudes directly
within the steep slope area and results in no setback from the steep slope (landslide hazard area).
Pursuant to FWRC 19.145 Article II, the applicant submitted a geotechnical engineering report by
Terracon dated January 11, 2017 and a Geotechnical Engineering Landslide Hazard Addendum by
Terracon dated March 9, 2017, to address proposed development on the landslide hazard area.
Per FWRC 19.145.220, development activity on or within 50 feet of a geologically hazardous area is
regulated by FWRC, and the Director may permit development activities on or within 50 feet of a
GHA if the development will not be at risk due to the geologic hazard and will not lead to or create
any increased slide, seismic or erosion hazard.
The March 9, 2017, Terracon report addendum concludes the development as proposed will reduce
the landslide hazard and improve the overall stability of the slope, and the development would not be
at risk of damage by the remaining slope.
The City's Geotechnical Consulting Engineer, AESI, reviewed the Terracon Engineering reports and
has concurred in an April 5, 2017 letter, that the proposed development meets the criteria of FWRC
19.145.220(3), regarding development on or within 50 feet of a geologically hazardous area. The
AESI review concludes that the Terracon reports and associated documents meet the requirements of
Findings for Project Approval Page 3
Storquest Self -Storage Project File #17-100640-00-UP
FWRC and the construction of the proposed building will not create any increased slide hazard, and
the stability of the existing steep slopes will be improved.
Therefore, as part of the Use Process III decision, the Director authorizes intrusion into and Nvithin
50 feet of the geologically hazardous area as allowed by FWRC 19.145.220(3).
12. Tacoma Smelter Plume — The Washington Department of Ecology map for the Tacoma Smelter
Plume shows the site in the less than 20 ppm lead and arsenic concentration area. Given that the
proposed use of self -storage will not have any outdoor recreational areas and no significant presence
of children or outdoor activity, and the site is mapped in the less than 20 ppm for the potential
presence of lead and arsenic. soil testing was not required under the City's authority.
13. Connrrzmity Design Guidelines — The proposed building and site design complies with the minimum
guidelines of FWRC Chapter 19.1 15, "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.
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, modulations, planes,
setbacks, articulation, canopies, etc. to create an aesthetic cohesiveness among the multi -colored
facades.
The building facades meet the modulation, screening and articulation guidelines of FWRC
19.115.060 as follows:
East facade (front): The building entrance is oriented toward the public street. The east facade
includes modulation, canopies exceeding 50 percent of the facade, as well as a tasteful variety of
building materials, glass, articulation and colors.
North and south facades (side): Vertical building modulation for 60 percent of the facade; along
with 15 feet of Type 1I landscaping, some canopy wrap around the easterly corners and
significant building material and color variation.
West facade (rear): Vertical building modulation for 60 percent of the facade, along with 15 feet
of Type I landscaping, as well as building material and color variation.
c. Pedestrian Circulation and Public Spaces — The primary entrance to the building will be visible
from Pacific Highway South. A pedestrian pathway from Pacific Highway to the building
entrance is incorporated into the site design. A condition of approval is to implement a material,
texture or color variation for the pedestrian path, as paint striping is not an approved method of
connecting the building to the street per FWRC 19.115.050(4)(b).
Conunercial Service and Institutional Fctcilities — Service yard walls, enclosures, and similar
accessory site elements shall be consistent with the primary building relative to architecture,
materials, and colors. A trash/recycling enclosure is proposed and the enclosure plans include
split face CMU walls with a gate of unspecified material. In accord with FWRC 19.1 15.050(6),
since the gate is facing the public right-of-way, chain link fencing is not an acceptable material. A
condition of approval shall require the final plan to incorporate a gate design and material
consistent with the building and site design, and shall be specified on the building permit plans.
Findings for Project Approval Page 4
Storquest Sell=Storaue Project File # 17-100640-00-UP
e. BC Zoning District Guidelines — The parking lot is located adjacent to the right-of-way and
maximizes pedestrian access and circulation as detailed in section (c), above. The entrance facade
faces and is clearly recognizable from the right-of-way and incorporates transparent glass.
Awnings/canopies have been incorporated in addition to glass and a variety of colors and
materials.
As conditioned, the building and site design meets the intent of the Community Design Guidelines in
FWRC Chapter 19.115.
14. 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. In accordance with adopted FWRC standards, final building plans shall indicate how any
rooftop equipment will be fully screened.
15. Garhage/Recycling— The submitted trash enclosure design and on -site access are satisfactory and
are based off the size of the office, rather than the size of the whole building. The size of the trash
facility has been reviewed and accepted by Waste Management.
16. Lighting —The proposal includes outdoor lighting. Per FWRC 19.105.030(3), the applicant shall
select, place, and direct light sources, both directable and nondirectable, so that glare produced by
any light source, to the maximum extent possible, does not extend to adjacent properties, or to the
right-of-way. In accordance with adopted FWRC standards, final building pen -nit application plans
shall include outdoor lighting plans meeting applicable FWRC standards.
17. Additional Permitting— Additional permitting is required for subsequent site development; none of
which have been applied for at this time.
18. Street Frontage Improvements — Per the requirements of FWRC 19.135.030, the applicant/owner
will be expected to construct street improvements consistent with the planned roadway cross -
sections as shown in Map III-4 of the FWCP, for both Pacific Highway South (SR99) and 16t"
Avenue South, both of which abut the proposed development. The applicant would be expected to
construct improvements according to the following planned roadway cross -sections:
Pacific Highway South (SR99) is a Principal Arterial, planned as a Type "A" street,
consisting of a 90-foot street with curb and gutter, 6-foot planter strips with street trees,
8-foot sidewalks, and street lights, in a 124-foot right-of-way.
16th Avenue South is a Local Street, planned as a Type "R" street, consisting of a 40-
foot street with curb and gutter, 4-foot planter strips with street trees, 6-foot sidewalks,
and streetlights in a 66-foot right-of-way.
That section of SR99 that abuts the development has been constructed to the standard listed
above, therefore, no improvements or right-of-way dedication will be required on SR99 as
part of this development.
16th Avenue South does not meet the standard listed above; however, the applicant requested, and
was granted a waiver from having to construct street improvements along 16th Avenue South as part
of the development of their project. As a condition of approval, the owner will be required to
dedicate 3 feet of property for right-of-way along 16th Avenue South, in order to accommodate any
future improvements along that street.
Findings for Project Approval
Storquest Self -Storage Project
Page 5
File #17-100640-00-UP
19. Transportcrtion — As a component of the Use Process III application, projects under00 traffic
concurrency analysis pursuant tothe state Groivth IllcnnagenzentAct (GMA); goals and policies of
the FWCP; and FWRC Chapter 19.90. "Transportation Concurrency Management.- A Capacity
Reserve Certificate was issued in May 26, 2017 for the project. The number of new PM peak hour
vehicle trips generated by the project is 26. A transportation impact fee is required and will be
calculated based on the FWRC requirements.
20. StornzWater — The project will be required to meet the requirements of the 2016 King Co2/77tl Sz1rface
Water Design Manzzal (KCSWDM) and the City of Federal Way Addendum to that manual.
Stormwater improvements are required that meet the Conservation Flow Control and Enhanced
Basic Water Quality standards of the KCSWDM. Per the requirements of the KCSWDM, Best
Management Practices (BMP's) must also be implemented to augment flow control.
21. Water/Sewer — Lakehaven Water and Sewer District is the water and sewer service provider.
Lakehaven issued certificates of water and sewer availability dated January 3, 2017; certificates are
valid for one year fi-om the date of issuance.
22. Conditions of Approval — The following conditions of approval are attached to the Process III decision:
o With the building permit application plans, the material for the pedestrian path across the parking
area shall be specified and include a variation of material, texture or color. Paint striping is not
perm itted.
• The final landscape plan submitted with the building permit application shall be revised to
implement at least one tree in the landscape island at the north end of the six parking stalls per
FWRC 19.125.070(5)(a) and 19.125.050(4).
■ With the building permit application plans, the materials for the gate for the trash enclosure area
shall be specified. Chain link fence is not acceptable.
23., Conclusion — As conditioned, the proposed site plan application has been determined to be
consistent with the FWCP; with all applicable provisions of the FWRC; and with the public health,
safety, and welfare. The streets and utilities in the area of the subject property are adequate to serve
the anticipated demand from the proposal, and the proposed access to the subject property is at the
optimal location and configuration for access. Traffic safety impacts are adequately mitigated. The
proposed development is consistent with Process III, Project Approval, decisional criteria required
under FWRC Chapter 19.65.
The proposed site plan and application attachments have been reviewed for compliance with the FWCP;
pertinent zoning regulations, and all other applicable city regulations. Final construction drawings will be
reviewed for compliance with specific regulations, conditions of approval, and other applicable city
requirements. This decision shall not waive compliance with future City of Federal Way codes, policies,
and standards relating to this development.
Prepared by: Jim Harris, Senior Planner Date: May 31, 2017
Findings for Project Approval Page 6
Storquest Self -Storage Project File #17-100640-00-UP
CITY OF
� Federal Way
July 18, 2017
Jon Suddarth
William Warren Group`
5200 East Evans Avenue
Denver, CO 80222
F ILF
CITY HALL
33325 8th Avenue South
Federal Way, WA 98003-6325
(253) 835-7000
www. cityoffederalway. com
Jim Ferrell, Mayor
jsuddarth@williamwarren.com
RE: File #17-103374-AD & 17-100640-00-UP; MINOR SITE PLAN MODIFICATION APPROVAL
Storquest Federal Way, 29600 Pacific Highway South, Federal Way, WA
Dear Mr. Suddartht
The City's Department of Community Development is in receipt of your June 27, 2017, request to modify
the Storquest Process III site plan as it relates to the building size and building footprint. The project was
granted Process iIi Site Plan approval on June 1, 2017.
According to your June 27, 2017, letter request and revised site plan, the following mbdificat
approved site plan are being proposed. ions to the
Reduce the buIIdina size from 100,000 square feet to approximately 83,000 square feet, and reduce the
building footprint from 25,000 square feet to approximately 21,000 square feet.
Your request notes that the reduction in proposed building size is due to substantial structural costs
incurred due to the building's position bracing the hillside on the west side of the property.
The request for minor site plan modification is hereby approved. There are no changes to site access
points, parking locations, easements, utilities, or impacts to the environment with the requested site plan
modifications. The proposed buildings size reduction is consistent with the approved Process III decision,
does not create additional impacts. and complies with Fecderrrl WgvReviserl Corle (FWRC) requirements
as outlined io the Jurte 1, 2017 Process III decision. Pursuant to FWRC 19.15.090(3), the modification
request is consistent with city codes and policies.
The original Process III approval decision and the site plans approved and referenced in the June 1, 2017,
Process III approval are still valid and applicable, with the minor modification approved herein.
This mpdification approval does not waive compliance with future City of Federal Way codes, policies,
and standards relating to this developntent. I fyou have any questions regarding this letter,
Jim Harris. Planner, at253-835-2652 or,lim.hall-isn(r7cityoffederaIway. com. please contact
BUILDING PERMIT REQUIREMENTS
This Process III land use modification does not constitute a building
activities. If you have any questions regarding the build' permit, or authorize clearing/grading
the Permit Center at 253-835-2607, or�errttitcen[et ricih1(f' ed I submittal
requirements, please contact
\1% tiUddarlh
lul. 18. 1017
I'iec =
If You have any questions regardin; this decision. please contact Senior Planner Jim Harris at 253-835-2652•
orJjim.hal S@cityoffederalway.com.
Sincerely.
Brian Davis
Community Development Director
cnc: r\Ppro,ed vlodilled Site Plan dated Recci\ell .lunc 27. 2017
Nay i\ Fil incering Inc._.Ienellc I'allin. PI;. iuillin a nay ixcng.com
Jim I larris. Senior Planner
Kevin Peterson. Enainecring Plans RCvic\\Cr
Frik Preston. Senior Trafllc I:n< inccr
Chris Cohan. South King Fire K Rescue
Brian \shun. Lnkehaven \Pater and Se\\cr District
1 7.U.:IV
T."
THE WILLIAM WARREN GROUP
June 27, 2017
City of Federal Way
Attention: Jim Harris, Senior Planner
33325 8`h Avenue South
Federal Way, WA 98003-6325
Phone: 253.835.2652
VIA E-Mail: Jin�.HarrisC cit offederalwa .corn
Re: StorQuest Federal Way — 29600 Pacific Hwy South, File #17-000640-00-UP, Minor Site Plan
Modification Request
Dear Jim,
Per our phone conversation on June 131h, this letter addresses our request for a minor site plan modification to the
Land Use Process III Project approval letter dated June 1, 2017. The Project was previously approved for a 100,000
square foot, four story (3 stories with partial basement) building and we are now requesting to decrease the building
size to roughly 83,000 square feet as shown in the Site Plan on the following page.
The request fora reduction in size is due to substantial structural costs that were being incurred due to the building's
position bracing the hillside on the west side of the property. The additional cost to structurally reinforce the building
due to pressure from the western hillside increased the total project costs by 25%-30% as compared to a standardized
building without the hillside pressure.
For this reason we have revised the building footprint only on the west side of the building where we have moved
the building away from the steep slope of the hillside. This minor shift to the east removes the need for structural
reinforcement, and reduces the building footprint from roughly 25,000 SF to 21,0()0 SF.
All other design related items that were previously approved by the City remain exactly the same as previously
approved, with the only change pertaining to the back side of the building pulled away from the hillside. Per our
conversation we believe the City will find this change acceptable, but please feel free to give me a call if you have
any additional questions.
Sincerely,
Jon Suddarth
Development Project Manager — Real Estate
201 Wilshire Blvd, #102 Santa Monica, CA 90406
JUN 2JF 2017
CITY OF FEDERAL WAY
OOMMUNITY DEVELOPMENT
Telephone: 949.220.2100/310.451.2130
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PUBLIC WORKS DEPARTMENT
r ~�CITY OF 33325 81h Avenue South
.. Federal Way 98003-6325
Federal Way 253 -835-2700; Faxax 253-835-27092709
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CA PA CITY RESERVE CERTIFICATE (CRC,
This CONCURRENCY DETERMINATION is made this 17`h day of'March 2017 by the City of Federal Way
(COFW), apolitical subdivision of the State of Washington (hereinafter called the "City").
WHEREAS, the developer intends to develop the property described as Star uest Federal fVa •reviewed
under City file CN Number(s) 17-100614-CN (hereinafter called the "development"); and
WHEREAS, RCW 36.70A requires that the City adopt and enforce ordinances which prohibit development
approval if the development causes the level of service on a transportation facility to decline below the standards
adopted in the comprehensive plan, unless transportation improvements or strategies to accommodate the impacts of
the development are made concurrent with the development; and
WHEREAS, the City adopted its comprehensive plan in November 1995; and
WHEREAS, Chapter 19 of the COFW Revised Code was amended by the creation of Chapter 19.90
Division III on June 10, 2006 by Ordinance 06-525 effective January 1, 2007; and
NOW, THEREFORE, a concurrency certificate is issued for the development of 101,950 sf new self
Storaze buildin based on the facts and conditions set forth herein.
Development Parameters
This CONCURRENCY DETERMINATION is based on the following development:
Development type: Mini Warehouse
Development size: 101,950 sq. ft. self storage
Property address: 29600 Pacific Highway South
Federal Way, WA 98003
Parcel No. (s): 042104-9035
Number of New PM Peak Hour Vehicles Trips Generated: 26
Validity of Concurrency Determination
This CAPACITY RESERVE CERTIFICATE is valid only for the specific development approval
consistent with the development parameters and the City file number contained within this certificate.
If the development is changed, expired, cancelled or withdrawn, it will be subjected to reevaluation
for concurrency purposes.
Terms of the Capacity Reserve Certificate
This CAPACITY RESERVE CERTIFICATE is valid until the underlying development permit
expires, is withdrawn or cancelled, whichever occurs first.
Approved By: Date:
Z-6
Printed Name: Richard A. Perez. RE Title: City Traffic Engineer
CITY OF ^F
Federal Way
DEPARTMENT OF COMMUNITY DEVELOPMENT
33325 8`h Avenue South
®� SUBMIT7EDFederal Way, WA 98003
fl 253-835-2607; Fax 253-835-2609
wmv.cityoffederalway.com
CITY OF FEDERAL WAY
COMMUNITY DEVELOPMENT
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.
S t>Ice ion and ✓ Functional Area Evaluation for
Performance Performance Standard Agency Use Only
Standard
Strategy
t Applicable during Site Plan Review
e Applicable during Building Permit Review
Section 1.0 Natural Surveillance
1.1 Blind Corners _ ❑Con:
Avoid blind corners in pathways and parking lots. _ ❑Revise
_ ❑NA
Comments:
Pathways should be direct. All barriers along pathways should
be permeable (see through) including landscaping, fencing etc.
A
Consider the installation of mirrors to allow users to see ahead
of them and around corners. e
Other strategy used: I
1.2 Site and Building Layout
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 ✓ Functional Area
Performance Performance Standard
Standard
Strategy
■ Applicable during Site Plan Review
B 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 ❑ parking are proposed, provide surveillance such as security
Parking and cameras. ■
Parking
Structures ❑ Access to elevators, stairwells and pedestrian pathways should
be clearly visible from an adjacent parking area. ■
M Avoid hidden recesses. ■
cc Locate parking areas in locations 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. ■
Other strategy used:
u
Evaluation for
Agency Use Only
1
Bulletin #022 — January 1, 2011 Page 2 of 9 kAHandouts\CPTED Checklist
Section and
Performance
Standard
1.3
1.4
✓ IFunctional Area
Performance Standard
Strategy
■ Applicable during Site Plan Review
e Applicable during Building Permit Review
Evaluation for
Agency Use Only
I
Common/Open Space Areas and Public On -Site Open ❑Confi1
Space _ []Revise
Provide natural surveillance for common/open space areas. _ ❑NA
Comments:
Position active uses or habitable rooms with windows adjacent
PC to main common/open space areas, e.g. playgrounds,
swimming pools, etc., and public on -site open space. ■
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
K Locate seating in areas of active uses. e
U
n
Other strategy
Entrances
Provide entries that are clearly visible.
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
Certi rcate of Occu ancv Inspection .
Other strategy used:
_Revise
_ ❑NA
Comments:
1.5 Fencing ❑t'oItr
Fence design should maximize natural surveillance from the ❑_Revise
street to the building and from the building to the street, and _ ❑NA
minimize opportunities for intruders to hide. Comments:
Bulletin #022 — January 1, 2011 Page 3 of 9 k:\Handouts\CPTED Checklist
Section and ✓ Functional Area
Performance Performance Standard
Standard
Strategy
0 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. 8
Design high solid front fences in a manner that incorporates
❑ open elements to allow visibility above the height of five feet.
8
If noise insulation is required, install double -glazing at the
❑ front of the building rather than solid fences higher than five
feet. e
Other strategy used:
n
1.6 Landscaping
Avoid landscaping which obstructs natural surveillance and
allows intruders to hide.
❑ 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
❑ height, or high -canopied trees (clean trimmed to a height of
eight feet) around children's play areas, parking areas, and
along pedestrian pathways. ■
Avoid vegetation that conceals the building entrance from the
street. ■
Other strategy used:
Evaluation for
Agency Use Only
❑Cor
❑Revise
_ ❑NA
Comments:
1.7 Exterior Lighting _ ❑c uli 1
Provide exterior lighting that enhances natural surveillance. _ ❑Revise
(Refer to FWRC 19.115.050(7)(a) for specific lighting _ ❑NA
requirements.) Comments:
I
Prepare a lighting plan in accordance with Illuminating
Engineering Society of America (IESA) Standards, which
]�[ 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:\Handouts\CPTED Checklist
Section and ✓ Functional Area
Performance Performance Standard
Standard
Strategy
1 Applicable during Site Plan Review
e 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
D( 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:
IN]
Evaluation for
Agency Use Only
1.8 Mix of Uses — u�.:ar
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
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 - 1
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 ❑Conf
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
Performance Performance Standard
Standard
Strategy
■ Applicable during Site Plan Review
B Applicable during Building Permit Review
Section 2.0 Access Control
2.1 Building Identification
Ensure buildings are clearly identified by street number to
prevent unintended access and to assist persons trying to find
the building. Identification signs must conform to FWRC
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
Evaluation for
Agency Use Only
❑Revise
❑NA
Comments:
k:\Handouts\CPTED Checklist
Section and ✓ Functional Area
Performance Performance Standard
Standard
Strategy
■ Applicable during Site Plan Review
e 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:
El
2.2 Entrances 4 ❑Cot
Avoid confusion in locating building entrances. _ ❑Revise
_ ❑NA
Comments:
Entrances should be easily recognizable through design
DI features and directional signage. (Signs must conform to
FWRC 19.140.060. Exempt Signs. ■
D1 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:Trees replanted in a dense pattern
]�[ along the West facade to deter unauthorized
2.4 Landscaping Location ❑Coin
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
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
Avoid placement of large trees, garages, utility structures,
0( fences, and gutters next to second story windows or balconies
that could provide a means of access. ■
Other strategy used:
2.5 Security
[E]Confc
Reduce opportunities for unauthorized access
-.-.Revise
❑NA
Comments:
Consider the use of security hardware and/or human measures
]�[ to reduce opportunities for unauthorized access. (Applicable
during Certi scale a Occu auc Ins ection .
Other strategy used:
❑ -
2.6 Signage
_ ❑Conf
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. e
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
■ 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:
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.
1
Other strategy used:
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
materials, anti -graffiti paints, and clear aver sprays to reduce
opportunities for vandalism. Avoid flat or porous finishes in
areas where graffiti is likely to be a problem. e
i
❑
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
April 5, 2017
Resubmitted April 25, 2017
Jon Suddarth
William Warren Group
5200 East Evans Avenue
Denver, CO 80222
jsuddarth@williamwarren.com
RESUBMITTED
APR 2 6 2017
CITY OF FEDERAL WAY
COMMUNfTY DEVELOPMENT
RE: File No's. 17-100640-00-UP & 17-100641-00-SE; TECHNICAL REVIEW COMMENTS
Storquest Federal Way, 29600 Pacific Highway South, Federal Way, WA
Dear Mr. Suddarth:
The Community Development Department is in receipt of your February 16, 2017, Process III and State
Environmental Policy Act (SEPA) Master Land Use (MLU) application. Your proposed project includes
construction of a new four-story fully enclosed self -storage facility with approximately 100,000 gross
square feet of building area, with associated site improvements on a vacant property. Pursuant to Federal
Way Revised Code (FWRC) 19.15.045, the application was deemed complete on March 17, 2017, and a
SEPA Optional Determination of Non -significance (DNS) and Notice of Application was issued on the
same date.
City staff and other departments have conducted a technical review of the proposal for the Use Process III
application. The Planning Division is the only review staff that is providing comments. There are no
comments received or expected on the Process III application from all of the following
agencies/departments: Public Works Development Services, Building Division, Lakehaven Water and
Sewer, and South King Fire and Rescue. The Federal Way Police Department will be reviewing the
proposal following submittal of a completed CPTED checklist.
TECHNICAL COMMENTS
The following Planning Division comments need to be addressed prior to Process III land use application
decision, or as otherwise noted. The FWRC is available online. Questions regarding the technical review
comments should be addressed to Jim Harris, at jim.harris a,cityoffederalway.com.
Provide information on the site plan sheet depicting how the Average Building Elevation (ABE)
was derived. We have been through this exercise as follow-up to the preapplication conference;
however, there is no documentation in the Process III application plans that show how the
elevation 435 was derived as the ABE. Spot elevations of existing grade need to be shown at all
four corners of the proposed building on the site plan, then show the calculation for ABE as
required in FWRC 19.05.010(A).
Per definition of "Average building elevation (ABE) " means the average of the highest and
lowest existing or proposed elevations, whichever is lowest, taken at the base of the exterior walls
Mr. Suddarth
April 5, 2017
Page 2
of the structure, or it means five feet above the lowest of the existing or proposed elevations
whichever is lowest. ABE is the elevation from which building height is measured.
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The lowest spot elevation on the Site is 430 so, with the addition of 5 feet our ABE is 435. The
Spot elevations around the corner of our building are respectively 439, 462,456 and 433. The
average is equal to 444.5 which is greater than the lowest spot of 430. 430 being the lowest is the
spot elevation which is used to determine ABE. Refer to Site Plan A1.10
2. All elevation sheets need to show elevation 435 as the Average Building Elevation (ABE) per our
previous calculations and discussions, and the elevations must show the proposed building height
starting at elevation 435.
Reference elevations sheets A3.10-A3.30 for ABE elevation marker update.
3. Please provide a written response addressing why a building height over 35 feet is required per
FWRC 19.220.030 note 1(a-d). Address each of the specific criteria in FWRC 19.220.030 note
1(a-d).
1 a. The additional height is necessary to accommodate the structural, equipment, or operational
needs of the use conducted in the building.
The structural design of the referenced project involves the design of the building structure
to resist lateral forces due to earth pressures, in addition to seismic forces due to both the
inertial mass of the building, as well as that of the retained soil.
The structural design of the referenced project involves the design of the building structure
to resist lateral forces due to earth pressures, in addition to seismic forces due to both the
inertial mass of the building, as well as that of the retained soil.
The most practical, constructible, and economically feasible, as well as sensible means of
resisting this lateral force is by means of frictional resistance provided at the interface of the
building and the ground below it, i.e. at the foundation interface. The best utilization of this
system requires a heavier building, frictional resistance being a function of weight.
Therefore, from a structural engineering perspective, a 4-story heavier structure would result
in a superior structural design than a 3-story structure, which would naturally be lighter than
a 4-story configuration.
Carl E. Grigorian, PhD, PE, SE
17-100640-00-UP Doc I D 75614
Mr. Suddarth
April 5, 2017
Page 3
In addition to the structural needs mentioned above, the proposed building height is also a
necessity for the operational functionality of the proposed project. In general, a self -storage
facility such as that proposed for StorQuest - Pacific Highway South is only feasible if
certain projected financial thresholds are obtained. Without the additional square footage
included from the proposed top floor of the building, the total amount of self -storage
rentable square footage would not likely be sufficient to meet acceptable projected financial
returns for the project. It is our opinion that the proposed size of the building allows us to
build a high -quality, aesthetically appealing project that still meets desired financial returns
lb. Height complies with note 2. Note 2: Height may not exceed 30ft. AABE when located
within 100ft. of residential zone. The West Side of the building does not exceed 30 ft above
AABE
lc. Height over 35ft is set back from the nonresidential zones by lft for each lft of height over
35ft. The North and the South sides have been set back loft for an additional 10 ft of height.
Id. Rooflines are designed to avoid a predominantly flat and featureless appearance through
variations in roof height, forms, angles and materials. All facades have alternating parapet
heights, and/or eye brow parapets. There are alternating materials for variation on all
facades.
4. Is there any rooftop mechanical equipment, doghouse, etc? All rooftop appurtenances need to
comply with the applicable height standards or comply with the height exceptions in FWRC
19.110.060.
All roof top units will be screened and their elevation will be below the 4 foot max above
maximum height of the building. Reference Elevation Sheets A3.10-A3.30
5. The elevations need to depict all rooftop equipment and structures, etc. All rooftop equipment,
vents, must be screened with sight obscuring materials integrated into the architecture of the
building per FWRC 19.110.070.
Refer to updated Elevation Sheets A3.10-A3.30.
6. Building setbacks appear to meet applicable code requirements; however, without the building
height information discussed above, we cannot confirm compliance with applicable building
height/setback requirements of FWRC.
Refer to #3 written response.
7. Provide a brief written narrative how each facade individually meets the facade modulation and
screening guidelines in FWRC 19.115.060(2). For example, the east facade should be described
as: The east facade includes building modulation with a depth of ** feet deep and ** feet wide.
This facade also includes a canopy for ** percent of the facade.
I suggest having your architect contact me by phone to discuss this comment, prior to providing a
written response.
The East facade includes modulation with the depth of 10 feet and a width of 40 feet. It also has
canopies that snake up 53 percent of the facade. (2)(a) Building Fagade modulation and screening
options, defined.
17-100640-00-UP Doc. I.D. 75614
Mr. Suddarth
April 5, 2017
Page 4
The North and South Facades provide vertical articulation in modulated parapet heights for 60
percent of the facade and also provide visual articulation in color and texture. The top floor of
the North and South Fagade also has a full-length setback that provides horizontal articulation for
23% of the facade. There will be a break in the fagade on the South for a frill height CMU stair
tower. The North, East, and South will have Type III landscaping at each facade. The South
fagade will be underground for (1) floor making up 28% of the fagade being hidden by the site
slope. The North Fagade will also have about 8.7% of its Fagade underground due to the site
slope and retaining walls provided.
The West Facade will have Type I landscaping because it abuts to a residential zone. Being that
the West Fagade is requiring Type I landscaping the modulation criteria does not apply per
19.115.060 (2).
8. The variations in colors and materials and other elements shown on the elevations meet the
articulation and scale requirements of FWRC 19.115.060(3).
OK
9. Complete and submit the enclosed Crime Prevention through Environmental Design (CPTED)
checklist. This completed checklist will be reviewed as part of the Process III review by the
Planning Division and Federal Way Police Department.
Attached.
10. Per FWRC 19.125.070(5), a three -foot -tall berm or substantial shrub planting is required along
the front landscape buffer area.
The planting design on L1.0 was revised to add more shrubs and trees to provide substantial
screening.
11. Per FWRC 19.125.040(24), and as identified in the preapplication letter, dense screening of the
loading zone is required along the frontage, and this landscape screening must be implemented in
the front landscape strip. Additional trees and shrubs are required to implement this screening
standard.
The planting design on L1.0 was revised to add more shrubs and trees to implement screening
standards in FWRC 19.125.040(24).
12. Landscape islands a minimum of six feet in width are required at end of all parking rows per
FWRC 19.125.070(3). A landscape island must be provided at the west end of the three north
parking stalls. Alternatively, you could apply for a landscape modification per FWRC
19.125.100, and address how the requested modification meets the criteria in FWRC 19.125.100
(2)•
The site layout was revised to include the required 6' width landscape island at the West end of
the North (3) parking stalls. Also refer to Site Plan A1.0 for site changes.
13. The landscape plan needs to include a calculation of how the required minimum of 20 square feet
of parking lot landscaping is provided per parking stall as identified in FWRC 19.125.070(2)(a).
17-100640-00-UP Doc. I.D. 75614
Mr. Suddarth
April 5, 2017
Page 5
Sheet L1.0 was revised to show calculations for the required area of parking interior lot
landscaping. The size of the landscape bed provided in the original submittal was adequate and
was not changed in this submittal. Due to Utility clearances and easements, we are not able to
add a tree to the landscape bed to meet -type III landscaping requirements. The planting bed
includes shrubs and groundcover plants.
14. Trees are required within the full length of the required landscape buffer area on the north
perimeter of the site. Trees shall be spaced at a maximum of 25 feet on center. However, denser
tree planting must be provided if landscape screening is proposed as one of the fagade modulation
and screening options under the design guideline review.
The planting design on L-1.0 was revised to include with one exception trees spaced maximum
25 feet on center along the full length of the landscape buffer on the north perimeter of the site.
In the northeast corner of the site, two trees are spaced 32 fee further apart to accommodate a
water easement.
15. Contact Waste Management and provide City staff an email or other written correspondence from
Waste Management staff that the size and location of the proposed trash enclosure area is
acceptable.
Per FWRC 19.125.150(7), a minimum of 300 square feet of recycling space is required. About 90
square feet of trash enclosure area is shown on the site plan and this size will need to be
increased, or an approval that a smaller trash and recycling area enclosure is acceptable to Waste
Management. City staff may consider the office size as the factor for determining the recycling
area size rather than the whole building size (100,000 square feet), if Waste Management concurs
with this direction.
Waste Management's contact is:
Dian L. Young
Commercial Route Manager
South Sound -WM
dyoungl5nwm.com
Waste Management
701 2°d St NW
Auburn, WA 98001
253-804-6815 office
253-455-0355 cell
Made a call in to WM and into the City of Federal way for an understanding on complying with
this requirement. We are basing the enclosure size on the office space only (1,200 SF).
Occupants for self -Storage are not allowed to dump in the onsite trash.
Jason Shea, Waste Management said: `A smaller enclosure is acceptable by Waste Management.'
16. Review of the steep slope area is currently under review for compliance with FWRC 19.145.220
— 19.145.250 by the City's consulting Geotechnical Engineer. I will forward these comments to
you upon receipt. OK
17-100640-00-UP Doc. I.D. 75614
Mr. Suddarth
April 5, 2017
Page 6
17. No public comments were received during the early public Notice of Application comment
period. I anticipate issuance of the final environmental determination will occur the week of April
10, 2017. OK
CLOSING
Please submit revised application materials as appropriate, accompanied by the completed "Resubmittal
Information Form." Pursuant to FWRC 19.15.050, 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 null and void and the city shall have no duty to process, review, or issue any decisions with
respect to such an application.
Contact me at i itn.liarrisO
,ciLvoffederalway.com or 253-835-2652 if you have any questions or need any
assistance.
Sincerely,
Jim Harris
Planner
c: Navik Engineering Inc., Jenelle Taflin, PE, jtaflin@navixeng.com
Kevin Peterson, Engineering Plans Reviewer
Erik Preston, Senior Traffic Engineer
Brian Asbury, Lakehaven Water & Sewer
enc: CPTED Checklist
17-100640-00-UP
Doc. I.D. 75614
CITY OF FEDERAL WAY
COMMUNITY DEVELOPMENT DEPARTMENT
DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL
DATE: 5-16-17
TO: Kevin Peterson, Engineering Plans Reviewer
FROM: Jim Harris
FOR DRC MTG. ON: NA
FILE NUMBER(s): 17-100640-00-UP
RELATED FILE NOS.: None
PROJECT NAME: STORQUEST FEDERAL WAY
PROJECT ADDRESS: 29600 PACIFIC HWY S
ZONING DISTRICT: BC
PROJECT DESCRIPTION: Proposal to construct a 3-story over basement self -
storage facility with approximately 101,950 square
feet gross floor area, including a leasing office and
associated site improvements
LAND USE PERMITS: up3
PROJECT CONTACT:
JENELLE TAFLIN Navix
MATERIALS SUBMITTED: Revised plans from Navix (minor revisions only)
submitted on 4-26-17. I didn't previously route these
as there was only minor revision to address a couple
minor Planning issues, and PW did not have any
technical comments on initial UP3 application.
f # aril
cu ��
CITY OF
Federal Na
ENVIRONMENTAL DETERMINATION OF NONSIGNIFICANCE (DNS)
Storquest Self -Storage
File No: 17-100641-00-SE
Proposed Action: Proposed construction of anew 4-story enclosed self -storage facility with
approximately 100,000 square feet of gross floor area, and associated site work.
Proponent: Navix Engineering, Jenelle Taflin, 11400 SE 8`I' Street, Suite 345, Bellevue, WA 98004
Location: 29600 Pacific Highway South, Federal Way, WA 98023 (Parcel No. 042104-9035)
Lead Agency: City of Federal Way
City Staff
Contact: Jim Harris — Planner, 253-835-2652 or
j im.harris@cityoffederalway.com
The lead agency for this proposal has determined the proposal does not have a probable significant
adverse impact on the environment, and an Environmental Impact Statement (EIS) is not required under
RCW 43.21 C.030(2.)(c). This decision was made after review of a completed environmental checklist, the
Federal Way Comprehensive Plan, other municipal policies, plans, rules and regulations designated as a
basis for exercise of substantive authority tinder the State Environmental Policy Act pursuant to RCW
43.31C.I 10. This information is available to the public on request.
This DNS is issued after using the optional DNSprocess in YVAC 197-11-355. No written comments were
received in response to the combined Notice of Application and Optional DNS 1 l-day comment period
that ended on April 3, 2017. There is no further connrnent period on the DNS.
This determination may be appealed to the Federal Way City Clerk (address below), no later than 5:00
p.m. on May 8, 2017, by Fling a written letter stating the reason for the appeal of the determination and
associated fee. The appeal letter should identify specific factual objections.
Responsible Official: Brian Davis
Title: Director of Community Development, City of Federal Way
Address: 33325 8"' Avenue South, Federal Way, WA 98003
Phone: 253-835-2652
Date Issu
ed: April 17 2017 Signature:
CITY OF
-�k Federal
April 17, 2017
.ton Suddarth
William Warren Group
5200 East Evans Avenue
Denver, CO 80222
jsudda►-th(a-).will iamwarren.com
i
FILE
CITY HALL
33325 8th Avenue South
Federal Way, WA 98003-6325
(253) 835-7000
www. cityoffederalway com
Jim Ferrell, Mayor
RE: File No. 17-100641-00-SE; SEPA Threshold Determination
Federal Way Storquest, 29600 Pacific Highway South, Federal Way, WA
Dear Mr. Suddarth:
The city has reviewed the environmental checklist submitted for the Federal Way Storquest Self -Storage.
It has been determined that the proposal will not have a probable significant adverse impact on the
environment. As a result, an Environmental Irnpact Statement (EiS) is not required to comply with the
State Environmental Policy Act (SEPA). A copy of the Determination of Nonsignificance (DNS) is
enclosed.
The Optional DNS Process was used to review this proposal. The 14-day comment period required by the
SEPA rules ran concurrently with the public comment period associated with the notice of land use
application, which began on March 17, 2017, and ended April 3, 2017. The city received no comment
letters regarding the combined Notice of Application and Optional DNS. Pursuant to Washington
Administrative Code (WAC) 197-1 1-355, a second comment period is not required upon issuance of the
DNS.
The enclosed DNS was issued on April 17, 2017. The city will provide a copy of the signed DNS to the
Department of Ecology, state and local agencies with jurisdiction, Puyallup and Muckleshoot tribes, and
anyone requesting a copy. All final determinations may be appealed within 21 days following the
issuance of the DNS. No licenses, permits, or approvals will be issued until completion of the appeal
period, which ends May 8, 2017.
Our decision not to require an EiS does not mean that the license, permit, or approval You are seeking
from the city has been granted. Approval or denial of the proposal will be made by the appropriate
administrative or legislative body vested with that authority.
After- a final decision has been made on your proposal (i.e., after a permit has been issued), you may, but
are not required to, publish a Notice of Action as set forth in RCW 43.21 C.075. The Notice of Action sets
forth a time period after which no legal challenges regarding the proposal's compliance with SEPA can be
made. A copy of the Notice of Action form and copies of RCW 43.21C.080 and WAC 197-11-680
providing instructions for giving this notice are available from the Department of Community
Development.
DEPARTMENT OF COMMUNITY DEVELOPMENT
81h Avenue South
Federal Way WA 98003
CITY OF 253-835-7000; Fax 253-835-2609
Federal Way www.cifyoffederatway.com
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 Significar-e
(DS) and Scoping Notice
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 ❑ mailed ❑ faxed
2017.
Project Name
File Number(s)
❑ 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 Pemnit
❑ Adoption of Existing Environmental
Document
NT e-mailed and/or ❑ posted to or at each of the attached addresses on
911
-/.6 -6 & y l
Signature R.-a., Date
`/ -/ 7 -1 '-7
K:\CD Administration Files\Declaration of Distribution.doc/Last printed 1 /12/2017 10:33:00 AM
Tamara Fix
From: Tamara Fix
Sent: Monday, April 17, 2017 2:07 PM
To: jsuddarth@williamwarren.com; 'separegister@ecy.wa.gov';
'ramin.pazooki@wsdot.wa.gov'; 'gretchen.kaehler@dahp.wa.gov';
'laura.murphy@muckleshoot.nsn.us'; 'brandon.reynon@puyalluptribe.com';
dlewarch@suquamish.nsn.us; Chris Cahan; 'basbury@lakehaven.org'
Subject: Federal Way Storquest DNS
Attachments: 20170417140859.pdf
Attached is the DNS for the above -mentioned project. Please contact Planner Jim Harris with any questions.
Tamara Fix
Administrative Assistant
rc derai Wa
33325 81h Avenue South
Federal Way, WA 98003-6325
Phone:253/835-2602 Fax: 253/835-2609
www.cityoffedera [way.com
otj r��' l �,� �7 `� 117117
SUZANNE ANDERSON
OS ARMY CORPS/ENGINEERS
ATTN REGULATORY BRANCH
PO BOX 3755
SEATTLE WA 98124
6EPT OF ECOLOGIC,._
SEPA UNIT
PO BOX 47703
OLYMPIA WA 98504-7703
&eparegister aQecv-wa.gov-
JACLYN FORD
DEPT OF AGRICULTURE
PO BOX 42560
OLYMPIA, WA 98504-2560
!ford Qaq r. wa, g ov
AMIN PAZOOKI
WSDOT SOUTH KING COUNTY 1
PO BOX 330310 1
SEATTLE WA 98133-9710
ramin-nazooki(c-)wsdat_wa.aov
�T OF ARCHAEOLOGY-&_
HISTORIC PRESERVATION
PO BOX 48343
OLYMPIA WA 98504-8343
tchen.kaehler dal, .wa. ov
LAURA ARBER (saltwater)
WDFW REGION 4 OFFICE
16018 MILL CREEK BLVD
MILL CREEK WA 98012-1296
laura.arber(u)dfw-w&gov
WASH ENVIRON COUNCIL
1402 3RD AVE STE 1400
SEATTLE WA 98101-2179
wec@wecprotects.orq
PSRC
GROWTH MANAGEMENT DEPT
1011 WESTERN AVE #500
SEATTLE WA 98104-1040
eharris pis .orQ
I /-100 (0-11 -St
US FISH & WILDLIFE SERVCE
510 DESMOND DR SE #102
LACEY WA 98503
wfwocta p(afws. qov
NATURAL RESOURCES CVN SVC
941 POWELL AVE SW STE 102
RENTON WA 98057-2115
REVIEW TEAM
WA DEPT OF COMMERCE
GROWTH MGT SERVICES
PO BOX 42525
OLYMPIA WA 98504-2525
rev i ewt ea m Aco m me rce . wa. gov
JAMEY TAYLOR
DNR SEPA CENTER
PO BOX 47015
OLYMPIA WA 98504-7015
sepace nterAd n r.wa. gov
DEPT OF FISH AND WILDLIFE
PO BOX 43200
OLYMPIA WA 98504-3155
se p ad es k@dfw. wa. cgov
LARRY FISHER (freshwater)
WDFW AREA HABITAT BIOLOGIST
1775 12T" AVE NW STE 201
ISSAQUAH WA 98027
larry.fishero .dfw.wa.goy
KELLY COOPER
DEPT OF HEALTH
ENVIRON HEALTH DIV
PO BOX 47820
OLYMPIA WA 98504-7820
kelly.cooper@doh.wa.gov
ATTN SEPA REVIEW
PUGET SOUND CLEAN AIR AGENCY
1904 3RD AVE STE 105
SEATTLE WA 98101-3317
sepa _pscleanair.org
MUCKLESHOOT INDIAN TRIBE LASTi-,
FISHERIES DIVISION r IBALARCHAEOLOGIST
ENVIRONMENTAL REVIEWER / MUCKLESHOOT INDIAN TRIBE
39015 172ND AVE SE 39015 172ND AVE SE
AUBURN WA 98092 AUBURN WA 98092
karen.walter@muckl_eshoot.nsn.us a tea hoot.nsri.t�s
ENERGY FACILITY SITE
EVALUATION COUNCIL
1300 EVERGREEN PARK DRIVE
PO BOX 43172
OLYMPIA, WA 98504-3172
efsec(a7utc.wa. ocovv
DEPT OF SOCIAL & HEALTH SVCS
LANDS AND BUILDING DIVISION
PO BOX 45848
OLYMPIA, WA 98504
hubenbiCcDdshs.wa.gcv
WA ST DEPT TRANSPORTATION
PO BOX 47300
OLYMPIA WA 98504-7300
h g cu s tome rs a ry i ceaws d o t. wa. q ov
WA NATURAL HERITAGE
DNR
PO BOX 47014
OLYMPIA WA 98504-7014
se @center dnr.wa. ov
WASH STATE PARKS AND REC
PO BOX 42668
OLYMPIA WA 98504-2668
rand .Kline arks,wa. ov
PUGET SOUND PARTNERSHIP
210 11T" AVE SW STE 401
OLYMPIA WA 98504-0900
infoOc psp.wa.gov
MASTER BUILDERS ASSOC
335 116T" AVE SE
BELLEVUE WA 98004-6407
dhoffman ,_mbaks.com
PLJYALLUP TRIBE OF INDIAN
HISTORIC PRESERVATION D
3009 E PORTLAND AVE
TACOMA WA 98404
DENNIS LEWARC14—_.__
THP OFFICE
SUQUAMISH TRIBE
18490 SUQUAMISH WAY
SUQUAMISH WA 98392
KING COUNTY PARKS & REC KING CO TRANSPORTATION KING CO ROADS DIVISION
201 S JACKSON ST # 700 201 S JACKSON ST KSC-TR-0815 COUNTY ROADS ENGINEER
SEATTLE WA 98104 SEATTLE WA 98104 155 MONROE AVE NE
matthew.perkins(-kin coup ov harold_tani uchi kin count . ov RENTON WA 98056
-g t g— maint.roads kin count . ov
REGGIE HOLMES
SOLID WASTE DIV
ECON DEV COUNCIL OF
KC BOUNDARY REVIEW BOARD
KING CO DEPT OF NATURAL RES
SEATTLE & KING COUNTY
YESLER BUILDING, RM 240
201 S JACKSON ST STE 701
1301 5T" AVE STE 1500
400 YESLER WAY
SEATTLE WA 98104-3855
SEATTLE WA 98101
SEATTLE WA 98104
kevin.kiernan kin counf . ov
info edc-seakin .or
reg ina Id. h of mes Aki ngcau nty. g ov
GARY KRIEDT
DARRELL RODGERS
PERRY WEINBERG
KING COUNTY TRANSIT DIV
PUBLIC HEALTH SEATTLE/KING
SOUND TRANSIT
ENV PLANNING MS KSC-TR-0431
401 FIFTH AVE STE 1100
401 S JACKSON ST
201 S JACKSON ST
SEATTLE WA 98104
SEATTLE WA 98104-2826
SEATTLE WA 98104-3856
darrell.rodgers(c)kingcounty.gov_
perry.weinberg(cDsoundtransit.org-
-
gary.kdedt@kinpcounty.gov
BEN HAN TRANSIT PLANNER
PORT OF TACOMA
TINA VASLET
KING COUNTY METRO
ENVIRONMENTAL DEPT
PIERCE TRANSIT
MS KSC-TR-0413
PO BOX 1837
PO BOX 99070
401 S JACKSON ST
TACOMA WA 98401-1837
LAKEWOOD WA 98496-0070
SEATTLE WA 98104-3856
ordan ortoftacoma.com
tvaslet iercetransit.or
plansreview@kinqcounty.gov
PIERCE COUNTY HEALTH DEPT
PIERCE CO PLNG & LAND SVCS
PIERCE CO PW & UTILITIES
ENVIRONMENTAL HEALTH DIV
2401 S 35T" ST #2
2702 S 42ND ST STE 628
3629 S "D" ST
TACOMA WA 98409-7460
TACOMA WA 98409
TACOMA WA 98408
aclark,@co.pierce.wa.us
bziegle gco.pierce.wa.us
info(u),tpchd.org
LEAGUE OF WOMEN VOTERS
POLLY DAIGLE
MIDWAY SEWER DISTRICT
OF SOUTH KING COUNTY
HIGHLINE WATER DISTRICT
3 487
PO BOX 3
PO BOX 66037
23828 30 AVE S
KENT 98032
BURIEN WA 98166
KENT WA 98032
ken midwaYsewer.org
infoA)seattlef_wv.orp
dai le hi hlinewater.or
SAM PACE
SOUTH KING COUNTY
EARTHCORPS
SEA/KING CO ASSOC/REALTORS
REGIONAL WATER ASSOCIATION
FRIENDS OF THE HYLEBOS
29839 154T" AVE SE
27224 144T" AVE SE
6310 NE 74T" ST STE 201 E
KENT WA 98042-4557
KENT WA 98042
SEATTLE, WA 98115
sampace@concentric.net
customerservice@wd111.com
info ,earthcorps-oor
EPA
DAVID KORTHALS
KC DEPT OF ASSESSMENTS
ENVIRONMENTAL REVIEW SEC
METRO TRANSIT
500 4T" AVE RM 700
1200 6TH AVE MD-126
201 S JACKSON ST KSC-TR-0413
#ADM-AS-0708
SEATTLE WA 98101
SEATTLE WA 98104-3856
SEATTLE WA 98104
epa--seattle@epa.cLov
DavigjKq halsCo7kingcounty.gqy
assessor.info@kingcounty.gov
KRISTI KYLE
ATTN NEWSROOM
FEDERAL WAY MIRROR
PSE REGIONAL STRUCTURE
TACOMA NEWS TRIBUNE
31919 1ST AVE S STE 101
PO BOX 97034
1950 S STATE ST
FEDERAL WAY WA 98003
BELLEVUE WA 98009-9734
TACOMA WA 98405
editor@federalwaymirror.com
kristina.kyle(c)pse.com
newstigsCn7thenewstribune.com
-
OUTH SING FIRE & RESCl7�
FW CHAMBER OF COMMERCE
BRIAN ASBURY
LAKEHAVEN UTILITY DIST
31617 1 AVE S
PO BOX 3440
PO BOX 4249
FEDERAL WAY WA 98003
FEDERAL WAY WA 98063
FEDERAL WAY WA 98063
ris.cahan southkin fire -or
rmartin(7federalwaychamber.com
basbu lakehaven.or
TANYA NASCIMENTO
RYAN FLYNN
TERRY LUKENS
FWPS
TACOMA WATER DIVISION
BELLEVUE COUNCIL OFFICE
33330 8T" AVE S
PO BOX 11007
PO BOX 90012
FEDERAL WAY WA 98003
TACOMA WA 98411
BELLEVUE WA 98009-9012
tan a-nascimento fw s.or
rflynn@ci.tacoma.wa.us
council(c)belleyuewa.gov
CITY OF
ENVIRONMENTAL DETERMINATION OF NONSIGNIFICANCE (DNS)
Storquest Self -Storage
File No: 17-100641-00-SE
Proposed Action: Proposed construction of a new 4-story enclosed self -storage facility with
approximately 100,000 square feet of gross floor area, and associated site work.
Proponent: Navix Engineering, Jenelle Taflin, 11400 SE 8"' Street, Suite 345, Bellevue, WA 98004
Location: 29600 Pacific Highway South, Federal Way, WA 98023 (Parcel No. 042104-9035)
Lead Agency: City of Federal Way
City Staff
Contact: Jim Harris — Planner, 253-835-2652 or
j im.harris@cityoffederalway.com
The lead agency for this proposal has determined the proposal does not have a probable significant
adverse impact on the environment, and an Environmental Impact Statement (EIS) is not required Linder
RCW 43.21 C.030(2)(c). This decision was made after review of a completed environmental checklist, the
Federal Way Comprehensive Plan, other municipal policies, plans, rules and regulations designated as a
basis for exercise of substantive authority under the State Environmental Policy Act pursuant to RCW
43.31C.I 10. This information is available to the public on request.
This DNS is issued after using the optional DNS process in YVAC 197-11-355. No written comments were
received in response to the combined Notice of Application and Optional DNS 14-day comment period
that ended on April 3, 2017. There is no fin -they comment period on the DNS.
This determination may be appealed to the Federal Way City Clerk (address below), no laterthan 5:00
p.m. on May 8, 2017, by filing a written letter stating the reason for the appeal of the determination and
associated fee. The appeal letter should identify specific factual objections.
Responsible Official: Brian Davis
Title: Director of Community Development, City of Federal Way
Address: 33325 8`I' Avenue South, Federal Way, WA 98003
Phone: 253-835-2652 n
i
Date Issued: April 17 2017 Signature:
a s s o c i a t e d
earth sciences
i n c o r o u r ;t ; e (i
April 5, 2017
Project No. 170157EO01
City of Federal Way
29600 Pacific Highway South
Federal Way, Washington 98003-6325
Attention: Mr. Jim Harris, Planner
Subject: Geotechnical Review of Documents
Proposed StorQuest Self Storage
29600 Pacific Highway South
Federal Way, Washington
Dear Mr. Harris:
At your request, Associated Earth Sciences, Inc. (AESI) recently reviewed the geotechnical
engineering report and associated documents for the proposed StorQuest Self Storage.
Specifically, we reviewed the following:
• "Geotechnical Engineering Report," StorQuest Self Storage (dated January 11, 2017)
prepared by Terracon;
• "Geotechnical Engineering Report Addendum — Stormwater Infiltration and Landslide
Hazard Assessment," StorQuest Self Storage (dated March 9, 2017) prepared byTerracon;
• Sheets CVR-1, D-1.0, C-1.0, C-2.0 to C-2.3, C-3.0, StorQuest Self Storage (undated),
prepared by Navix Engineering;
■ Boundary and Topographic Survey (dated September 28, 2016) prepared by Axis Survey &
mapping;
• ALTA/NSPS Title Survey (dated October 12, 2016) prepared by Axis Survey & Mapping; and
• Sheet 1-1.00, Planting Plan (dated February 15, 2017) prepared by Nakano Associates.
Kirkland Office 1911 Fifth Avenue I Kirkland, WA 98033 P 1425.827.7701 F 1425.827.5424
Everett Office 1 2911'% Hewitt Avenue, Suite 2 1 Everett, WA 98201 P 1 425.259-0522 F 1425.827.5424
Tacoma Office 1 1552 Commerce Street, Suite 102 1 Tacoma, WA 98402 P 1253.722.2992 F 1253.722.2993
www.aesgeo.com
Proposed StorQuest Self Storage
Federal Way, Washington Geotechnical Review of Documents
The scope of our review was limited to an evaluation of the report with respect to compliance with
the subsection 19.145.220(3) within the Federal Way Revised Code (FWRC) per your GHA
Consultant Authorization Form dated March 7, 2017.
SITE AND PROJECT DESCRIPTION
The site consists of an existing undeveloped parcel located at 29600 Pacific Highway South. The
parcel is bordered by commercial development to the north, an undeveloped lotto the south, 16th
Avenue South to the west, and Pacific Highway South to the east. The site is relatively flat except
for the steep slope about 35 feet tall and inclined at greaterthan 40 percent along the west side of
the site. The site is located within a Geologically Hazardous Area due to the steep slope.
We understand that the proposed development will involve construction of a new four story
self -storage building in the western three-quarters of the site. The new building will include a
two -level below -grade portion that will be located within the toe of the steep slope. A temporary
shoring wall consisting of a soil nail wall or soldier pile wall with tieback anchors will be used to
facilitate construction of the below -grade levels.
Terracon evaluated subsurface conditions at the subject site by excavating six exploration pits,
advancing four exploratory borings, and performing a site reconnaissance of the steep slope. The
explorations on the level part of the site encountered a variable thickness of loose to medium
dense fill overlying dense to very dense Advance outwash deposits. Terracon observed only
Advance outwash in their boring advanced at the top of the steep slope.
REVIEW COMMENTS
AESI reviewed the aforementioned geotechnical engineering report and addendum to determine if
it meets the criteria specified within FWRC 19.145.220(3) regarding development activities on or
within 50 feet of a geologically hazardous area. Per this section of the code, permission may be
granted for development provided the proposed development "will not be at risk of damage due
to the geologic hazard and will not lead to or create any increased slide, seismic or erosion
hazard." In our opinion, the submitted geotechnical report and associated documentation meets
the requirements of the FWRC. We concur with Terracon that a properly designed temporary
shoring wall and permanent building wall will provide adequate support to the existing steep slope
and construction of the building into the slope will not create any increased slide hazard. We also
concur with Terracon that stability of the existing steep slope will be improved by regrading it to a
2H:1V (Horizontal:Vertical) or flatter inclination.
April5, 2017 ASSOCIATED EARTH SCIENCES, INC.3
SAS/pc-170157E001-1—ProjectsJ20170157JKEJWP Page 2
Proposed StorQuest Self Storage
Federal Way, Washington Geotechnical Review of Documents
CLOSURE
Our scope of work for this letter was limited to a review of the documents supplied to us. Our
scope did not include a site visit, exploration of actual subsurface conditions, nor does our review
purport to verify the accuracy of exploration logs or geotechnical analysis results presented within
the documents.
We trust this letter meets your current needs. Should you have any questions, please contact us at
your convenience.
Sincerely,
ASSOCIATED EARTH SCIENCES, INC.
Kirkland, Washington
Bruce L. Blyton, P.E-;
Senior Principal Engineer
Stephen A. Siebert, P.E.
Associate Geotechnical Engineer
April 5, 2017 ASSOCIATED EARTH SCIENCES, INC.3
5AS/pc-170157EO01-1—Projectsj20170157jKEjWP Page 3
CITY OF
L Federal Way
April 5, 2017
Jon Suddarth
William Warren Group
5200 East Evans Avenue
Denver, CO 80222
jsuddarth@williamwarren.com
FILE
33325 8th Avenue South
Federal Way, WA 98003-6325
(253) 835-7000
www cityoffederalway, com
Jim Ferrell, Mayor
RE: `File No's. 17-100640-00-UP & 17-100641-00-SE; TECHNICAL REVIEW COMMENTS
Storquest Federal Way, 29600 Pacific Highway South, Federal Way, WA
Dear Mr. Suddarth:
The Community Development Department is in receipt of your February 16, 2017, Process III and State
Environmental Policy Act (SEPA) Master Land Use (MLU) application. Your proposed project includes
construction of a new four-story fully enclosed self -storage facility with approximately 100,000 gross
square feet of building area, with associated site improvements on a vacant property. Pursuant to Federal
Way Revised Code (FWRC) 19.15.045, the application was deemed complete on March 17, 2017, and a
SEPA Optional Determination of Nonsignificance (DNS) and Notice of Application was issued on the
same date.
City staff and other departments have conducted a technical review of the proposal for the Use Process III
application. The Planning Division is the only review staff that is providing comments. There are no
comments received or expected on the Process III application from all of the following
agencies/departments: Public Works Development Services, Building Division, Lakehaven Water and
Sewer, and South King Fire and Rescue. The Federal Way Police Department will be reviewing the
proposal following submittal of a completed CPTED checklist.
TECHNICAL COMMENTS
The following Planning Division comments need to be addressed prior to Process III land use application
decision, or as otherwise noted. The FWRC is available online. Questions regarding the technical review
comments should be addressed to Jim Harris, at 'iin.harris@_,ci offederalwa .cam.
Provide information on the site plan sheet depicting how the Average Building Elevation (ABE) was
derived. We have been through this exercise as follow-up to the preapplication conference; however,
there is no documentation in the Process III application plans that show how the elevation 435 was
derived as the ABE. Spot elevations of existing grade need to be shown at all four corners of the
proposed building on the site plan, then show the calculation for ABE as required in FWRC
19.05.010(A).
2. All elevation sheets need to show elevation 435 as the Average Building Elevation (ABE) per our
previous calculations and discussions, and the elevations must show the proposed building height
starting at elevation 435.
%-Ir. SudClUrth
April 5. 2017
Pan,- 2
3. Please provide a written response addressing Nvhy a building height over 35 feet is required per
FWRC 19.220.030 note 1(a-d). Address each of the specific criteria in FWRC 19.220.030 note l(a-d).
4. Is there any rooftop mechanical equipment, doghouse, etc? All rooftop appurtenances need to comply
with the applicable height standards or comply with the height exceptions in FWRC 19.1 10.060.
The elevations need to depict all rooftop equipment and structures. etc. All rooftop equipment, vents,
must be screened with sight obscuring materials integrated into the architecture of the building per
FWRC 19.110.070.
6. Building setbacks appear to meet applicable code requirements; however, without the building height
information discussed above, we cannot confirm compliance with applicable building height/setback
requirements of FWRC.
7. Provide a brief written narrative how each facade individually meets the facade modulation and
screening guidelines in FWRC 19.1 15.060(2). For example, the east facade should be described as:
The east facade includes building modulation with a depth of ** feet deep and ** feet wide. This
facade also includes a canopy for ** percent of the facade.
I suggest having your architect contact me by phone to discuss this comment, prior to providing a
written response.
8. The variations in colors and materials and other elements shown on the elevations meet the
articulation and scale requirements of FWRC 19.1 15.060(3).
9. Complete and submit the enclosed Crime Prevention through Environmental Design (CPTED)
checklist. This completed checklist will be reviewed as part of the Process III review by the Planning
Division and Federal Way Police Department.
10. Per FWRC 19.125.070(5), a three -foot -tall berm or substantial shrub planting is required along the
front landscape buffer area.
11. Per FWRC 19.125.040(24), and as identified in the preapplication letter, dense screening of the
loading zone is required along the frontage, and this landscape screening must be implemented in the
front landscape strip. Additional trees and shrubs are required to implement this screening standard.
12. Landscape islands a minimum of six feet in width are required at end of all parking rows per FWRC
19.125.070(3). A landscape island must be provided at the west end of the three north parking stalls.
Alternatively, you could apply for a landscape modification per FWRC 19.125.100, and address how
the requested modification meets the criteria in FWRC 19.125.100 (2).
13. The landscape plan needs to include a calculation of how the required minimum of 20 square feet of
parking lot landscaping is provided per parking stall as identified in FWRC 19.125.070(2)(a).
14. Trees are required within the full length of the required landscape buffer area on the north perimeter
of the site. Trees shall be spaced at a maximum of 25 feet on center. However, denser tree planting
must be provided if landscape screening is proposed as one of the facade modulation and screening
options under- the design guideline review.
17-100640-00-UP Doc I,D 75614
Mr. Suddarth
April 5, 2017
Page 3
15. Contact Waste Management and provide City staff an email or other written correspondence from
Waste Management staff that the size and location of the proposed trash enclosure area is acceptable.
Per FWRC 19.125.150(7), a minimum of 300 square feet of recycling space is required. About 90
square feet of trash enclosure area is shown on the site plan and this size will need to be increased, or
an approval that a smaller trash and recycling area enclosure is acceptable to Waste Management.
City staff may consider the office size as the factor for determining the recycling area size rather than
the whole building size (100,000 square feet), if Waste Management concurs with this direction.
Waste Management's contact is:
Dian L. Young
Commercial Route Manager
South Sound -WM
d oung 15 wm.corn
Waste Management
701 2°d St NW
Auburn, WA 98001
253-804-6815 office
253-455-0355 cell
16. Review of the steep slope area is currently under review for compliance with FWRC 19.145.220 —
19.145.250 by the City's consulting Geotechnical Engineer. I will forward these comments to you
upon receipt.
17. No public comments were received during the early public Notice of Application comment period. I
anticipate issuance of the final environmental determination will occur the week of April 10, 2017.
CLOSING
Please submit revised application materials as appropriate, accompanied by the completed "Resubmittal
Infonnation Form." Pursuant to FWRC 19.15.050, 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 null and void and the city shall have no duty to process, review, or issue any decisions with
respect to such an application.
Contact me at jim.harris@citvoffederalway.com or 253-835-2652 if you have any questions or need any
assistance.
Sincerely,
Harris
Planner
c; Navix Engineering Inc., Jenelle Taflin, PE, jtaflin@navixeng.com
Kevin Peterson, Engineering Plans Reviewer
Erik Preston, Senior Traffic Engineer
Brian Asbury, Lakehaven Water & Sewer
enc: CPTED Checklist
17-100640-00-UP
Doc. I.D. 75614
March 9, 2017
William Warren Group
4301 DTC Blvd.
Greenwood Village, CO 80111
RESUBMITTED
MAR {5 20V
CITY OF FED�F WAY
COMMUN1 Y DEVELaPh1E"ir
Attn: Mr. Jon Suddarth
P: (303) 842-5690
E: Suddarth williamwarren.com
Irerracon
Re. Geotechnical Engineering Report Addendum — Stormwater Infiltration and Landslide
Hazard Assessment
StorQuest Self Storage
298th Block Pacific Highway South (SR 99)
Federal Way, Washington
Terracon Project Number: 81165135
Dear Mr. Suddarth:
This letter is an addendum to, and should be used in conjunction with, our Geotechnical
Engineering Report for the project that was submitted to you on January 11, 2017. This report
addendum has been completed in accordance with our Supplemental Scope and Fee Proposal
dated February 2, 2017. The purpose of this addendum is to provide recommendations for
design of stormwater infiltration facilities and discussion of landslide hazard areas for the above
referenced site. The recommendations provided in this letter supersede the preliminary
infiltration recommendations contained in our previously completed addendum letter, dated
February 3, 2017.
Project Information
Based on discussions with the architect and the project civil engineer, we understand the
current development plan includes a 4-story self -storage building to be located in approximately
the western three quarters of the site. Due to existing grades, the lower two floors of the
proposed building will be below grade on the west side of the building and will daylight on the
east. A below -grade infiltration gallery will be utilized below the eastern parking lot for infiltration
of stormwater runoff. The proposed parking lot grades in the area generally range from about
elevation 429 to 431 feet and the base of the infiltration gallery would be located at an
approximate elevation of 421 Y2 feet.
Terracon Consultants, Inc. 21905 64th Avenue, Suite 100 Mountlake Terrace, Washington 98043
P [425] 771 3304 F [425] 771 3549 terracon.com
Geotechnical Engineering Report — Stormwater Infiltration Addendum
Proposed StorQuest Self Storage Facility Federal Way, Washington
March 14, 2017 Terracon Project No. 81165135
Subsurface Conditions
As a part of our original scope, we advanced four borings and four test pits on the site. One of
the borings and three of the test pits were located in the lower, east side of the site
approximately within the extents of the proposed infiltration gallery. Two additional test pits were
advanced within the proposed infiltration gallery to perform infiltration testing. Based on the
conditions encountered in these explorations, soil at the proposed infiltration depths in this area
appears to generally consist of dense to very dense sand with silt and gravel Advance Outwash
deposits. Above the Advance Outwash deposits, we encountered existing fill soil above
elevations ranging from about 422'/2 feet to 430'/z feet.
Groundwater was observed at a depth of about 191/ feet in Boring B-3, southwest of the
proposed infiltration gallery. Groundwater was not observed within the full depth Boring B-4,
however, which is located near the east -central portion of the proposed infiltration gallery and
extended to a depth of approximately 5'/2 feet below the elevation of proposed infiltration.
Groundwater was also not observed within our test pits or infiltration test excavations.
Stormwater Infiltration Rate
Two infiltration tests (IT-1 and IT-2) were completed within the area of the proposed infiltration
facility at the locations shown on Exhibit A-1. Logs of the soil conditions encountered in IT-1 and
IT-2 are attached to the end of this letter. The infiltration test pits were excavated by a
subcontractor to Terracon to the approximate elevation of the base of the proposed infiltration
facility. A metal ring with a diameter of 6 feet was placed at the base of the excavations to
prevent sidewall cave-ins during testing. Infiltration tests were completed within the excavations
in general accordance with the requirements of Section 5.2.1 of the 2016 King County Surface
Water Design Manual (KCSWDM).
We observed measured short-term infiltration rates of 20 and 12 inches per hour in IT-1 and IT-
2, respectively. In accordance with the KCSWDM, correction Factors of 0.3, 0.8, and 0.9 were
applied to the measured rate to account for test type, facility geometry, and soil type,
respectively. After applying these factors to the measured rates, we recommend an allowable
infiltration rate of 3 inches per hour be used in design of the proposed infiltration gallery.
Landslide Hazard Areas
As described in our geotechnical report, relatively steep slopes are present along the west side
of the site sloping down from the west property line along 16th Avenue South to the general
grade of the site. A rockery is present at the toe of the slope along all of the slope except within
about 30 feet of the south property line. Ground surface elevations along the west property line
range from about 464 to 474 feet. The ground surface elevation near the toe of the rockery (or
toe of slope where a rockery is not present) is about 440 feet.
Geotechnical Engineering Report — Stormwater Infiltration Addendum Irerracon
Proposed StorQuest Self Storage Facility Federal Way, Washington
March 14,-2017 Terracon Project No. 81165135
Based on the topography of this site and the surrounding area, it is evident that the relatively
steep slope along the west side of the site was created by cutting into the existing topography at
some time in the past to create a relatively level portion of the site and construction of a rockery
at the toe of the slope. Presumably this cut slope and rockery was constructed under some
previous grading permit. The existing cut slope above the rockery appears to have a slope of
approximately 1.5H:1V to 1.7H:1V (horizontal:vertical) for most of the slope above the rockery
based on site topography provided to us. The rockery is not present within about 30 feet of the
south property line and the slope in this area extends more into the site to the east with an
average slope of about 1.8H:1 V to 2H:1 V based on topography provided to us.
The existing cut slope is highly vegetated with brush and trees. Significant blackberry bushes
obscure much of the ground surface on the steep slope. To the extent that the slope is visible,
we were not able to identify indications of past slope failures or existing slope instability features
on the existing cut slope.
With a slope greater than 40 percent and a vertical relief of over 10 feet, this slope is classified
as a Landslide Hazard Area according to Section 19.05.070 of the City of Federal Way Revised
Code. Section 19.145.220 of the code regulates development activities on or within 50 feet of
Landslide Hazard Areas. However, Section 19.145.230(4) notes that buffers and setbacks may
be reduced or improvements may be located within a Landslide Hazard Area when a qualified
professional determines the improvements will not create an increased slide hazard or be at risk
of damage by the landslide hazard.
As a part of our original scope, we advanced one boring (B-1) atop the slope near 161" Avenue
South to a depth of approximately 50 feet. We encountered very dense Advance Outwash sand
and gravel within the full depth of boring B-1 and did not encounter groundwater seepage at the
time of our exploration. The boring advanced at the top of the slope and the geologic mapping
of the site indicate the presence of dense to very dense, glacially -consolidated soil composed
primarily of gravelly sand with variable silt content and some cobbles. Existing cut slopes as
steep as 1.5H:1 V are expected to be stable with an appropriate factor of safety in these soil
conditions.
The proposed site layout indicates the new building will extend approximately 20 feet into the
base of the slope. Current building plans include the use of temporary soldier pile with tieback
anchors or soil nail shoring along the west building wall and the western ends of the south and
north walls to facilitate construction. Once complete, the below -grade portions of the building
walls are designed to support the retained soil. The current plans show that the slope above the
building will be flattened to a 2H:1 V slope. The slope along the south and north sides of the
planned building will be graded to a 2H:1V or flatter slope and a two-tier retaining wall will be
constructed near the northwest corner of the building. In our opinion, cut slopes in the natural
soil at the site or fill slopes composed of properly placed and compacted structural fill sloped at
2H:1 V or flatter will be stable with an appropriate factor of safety against slope instability.
Responsive -- Resourceful - Reliable 3
Geotechnical Engineering r<eport - Stormwater Infiltration Addendum ._,
Proposed StorQuest Self Storage Facility Federal Way, Washington 'Efr raC-o i
March 14, 2017 Terracon Project No. 81165135
Construction of the building as currently planned will reduce the exposed height of the western
slope from approximately 30 feet to approximately 15 feet. Provided the temporary shoring and
permanent building walls are designed and constructed in accordance with the
recommendations provided in our original geotechnical report, the building will act as a buttress
to the slope and will work to significantly improve the stability of the slope as compared to
existing conditions. Regrading the existing slope to a 21-1:1 V or flatter slope as compared to the
existing slope will also improve slope stability. As currently proposed, the development will
reduce the existing landslide hazard and improve the overall stability of the slope. The
development would not be at risk of damage by the remaining slope, in our opinion.
General Comments
The recommendations presented in this addendum are based upon the data obtained from the
borings and test pits at the locations indicated in the original Geotechnical Engineering Report
and the attached Exhibit A-1, and from other information discussed in the report and the above
paragraphs. This letter does not reflect variations that may occur between explorations, across
the site, or due to the modifying effects of construction or weather. The nature and extent of
such variations may not become evident until during or after construction. If variations appear,
we should be immediately notified so that further evaluation and supplemental
recommendations can be provided.
We appreciate the opportunity to perform these services for you. Please contact us if you have
questions regarding this information or if we can provide any additional services.
Sincerely,
Terracon Consultants,
�GHAEL So
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Ryan M. Scheffle I; P
Project Engineer'
Cc John Kay, Magellan Architects
Attachments: Exhibit A-1
Exhibits A-2 to A-3
Dennis R. Stettler, PE
Senior Engineering Consultant
Site and Exploration Plan
Test Pit Logs IT-1 to IT-2
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TEST PIT LOG NO. IT-1 Paae 1 of 1
PROJECT: StorQuest Federal Way
CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
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LOCATION See Exhibit A-1
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Notes:
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Abandonment Method:
Backfilled with soil in lifts and tamped with bucket.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
1rerracon
Test Pit Started: 2/16/2017
Test Pit Completed: 2/16/2017
Groundwater not encountered
Excavator:
Operator: NW Excavating
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Project No.: 81165135
Exhibit: A-2
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TEST PIT LOG NO. IT-2
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washinqton
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Irerracon
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Notes:
est Pit Started: 2/16/2017
xcavator:
roject No.: 81165135
Pit Completed: 2/16/2017
Operator: NW Excavating
Exhibit: A-3
41k
CITY OF w
Federal Way
NOTICE OF MASTER LAND USE APPLICATION AND
OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS)
Project Name: Storquest Self -Storage
Project Description: Proposed construction of a new 4-
story enclosed self -storage facility with approximately
100,000 square feet of gross floor area, and associated site
work.
Applicant Agent: Navix Engineering, Jenelle Taflin,
11400 SE 81' Street, Suite 345, Bellevue, WA 98004
Project Location: 29600 Pacific Highway South, Federal
Way, WA, Parcel #042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3, 2017
Environmental Review: Based upon review of a completed environmental checklist and other
information on file with the City, it is likely that the City of Federal Way will determine that the project
will not have a probable significant adverse impact on the environment and expects to issue a
Determination of Nonsignificance (DNS) for this project. The optional DNS process in WAC 197-11-355
is being used. This may be your only opportunity to comment on the environmental impacts of the
proposed project. The proposal may include mitigation measures under applicable codes, and the review
process may incorporate or require mitigation measures regardless of whether an environmental impact
statement (EIS) is prepared. A copy of the subsequent threshold determination for the specific proposal
may be obtained upon request.
Agencies, tribes, and the public are encouraged to review and comment on the proposed project and its
probable environmental impacts. Comments must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File #17-100640-UP) issued by the Director of
Community Development pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional
permits and/or approvals include a threshold determination pursuant to State Environmental Policy Act
(SEPA) Rules WAC 197-11 (File #17-100641-00-SE) and Transportation Concurrency Review (File #17-
100644-00-CN).
Environmental Documents & Required Studies: Environmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitigation: Federal Way Revised Code 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 FWRC, 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: Any person may submit written comments regarding the land use
application or the environmental impacts of the proposal to the Director of Community Development by
5:00 p.m. on April 3, 2017. Only persons who submit written comments to the Director (address below)
or specifically request a copy of the decision, may appeal the decision. However, any interested party may
appeal the environmental threshold determination.
Issuance of Final Environmental Determination: The final DNS may be issued without a second
comment period, unless timely comments identify probable significant adverse impacts that were not
considered by the Notice of Optional DNS. A copy of the DNS may be obtained upon request.
Availability of File: The official project files, existing environmental documents and required studies are
available for public review during normal business hours at the Department of Community Development,
33325 8"' Avenue South, Federal Way, WA 98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or jim.harrisocityoffederal",ay.eom
Printed in the Federal Way Mirror March 17, 2017.
4ik
CITY OF
Federal Way
NOTICE OF MASTER LAND USE APPLICATION AND
OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS)
Project Name: Storquest Self -Storage
Project Description: Proposed construction of a new 4-
story enclosed self -storage facility with approximately
100,000 square feet of gross floor area, and associated site
work.
Applicant Agent: Navix Engineering, Jenelle Taflin,
11400 SE 8`h Street, Suite 345, Bellevue, WA 98004
Project Location: 29600 Pacific Highway South, Federal
Way, WA, Parcel #042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3, 2017
Environmental Review: Based upon review of a completed environmental checklist and other
information on file with the City, it is likely that the City of Federal Way will determine that the project
will not have a probable significant adverse impact on the environment and expects to issue a
Determination of Nonsignificance (DNS) for this project. The optional DNS process in WAC 197-11-355
is being used. This may be your only opportunity to comment on the environmental impacts of the
proposed project. The proposal may include mitigation measures under applicable codes, and the review
process may incorporate or require mitigation measures regardless of whether an environmental impact
statement (EIS) is prepared. A copy of the subsequent threshold determination for the specific proposal
may be obtained upon request.
Agencies, tribes, and the public are encouraged to review and comment on the proposed project and its
probable environmental impacts. Comments must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File #17-100640-UP) issued by the Director of
Community Development pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional
permits and/or approvals include a threshold determination pursuant to State Environmental Policy Act
(SEPA) Rules WAC 197-11 (File #17-100641-00-SE) and Transportation Concurrency Review (File #17-
100644-00-CN).
Environmental Documents & Required Studies: Environmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitigation: Federal Way Revised Code 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 FWRC, 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: Any person may submit written comments regarding the land use
application or the environmental impacts of the proposal to the Director of Community Development by
5:00 p.m. on April 3, 2017. Only persons who submit written comments to the Director (address below)
or specifically request a copy of the decision, may appeal the decision. However, any interested party may
appeal the environmental threshold determination.
Issuance of Final Environmental Determination: The final DNS may be issued without a second
comment period, unless timely comments identify probable significant adverse impacts that were not
considered by the Notice of Optional DNS. A copy of the DNS may be obtained upon request.
Availability of File: The official project files, existing environmental documents and required studies are
available for public review during normal business hours at the Department of Community Development,
33325 81h Avenue South, Federal Way, WA 98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or.jim.harris@cityoffederalwU.com
Printed in the Federal Way Mirror March 17, 2017.
CITY OF
Federal Way
RECENF-D
FEB 16 2017
CM OF f=EDLE AL WAY
COS
Department of Community Development
33325 8`h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
.vn n.cityoffede alway.cum
SEPA ENVIRONMENTAL CHECKLIST
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
CITY OF =
Federal Way
A. BACKGROUND
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
is oflkdcralwayxojn
StorQuest Federal Way
2. Name of applicant: Navix Engineering (Jenelle Taflin)
3. Address and phone number of applicant and contact person: Jenelle Taflin, PE
11400 SE 8th Street, Suite 345
Bellevue, WA 98004
425-453-9501 x1511
4. Date checklist prepared: 1 /31 /2017
5. Agency requesting checklist: City of Federal Way
Proposed timing or schedule (including phasing, if applicable): City of Federal Way
7. Do you have any plans for future additions, expansion, or further activity related to or connected with
this proposal? If yes, explain. No future activity related to this proposal is anticipated.
8. List any environmental information you know about that has been prepared, or will be prepared,
directly related to this proposal.
A geotechnical report has been prepared for this proposal.
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 known governmental approvals of other proposals directly affecting this project site are pending.
10. List any government approvals or permits that will be needed for your proposal, if known.
City of Federal Way Process III/SEPA
City of Federal Way Commercial Building Permit and building -related permits, including Engineering Review
Lakehaven Utility District Utility Developer Extension
NDPES NQI
Bulletin #050 — October 17, 2016
Page 2 of 15
k:\Handouts\Environmental Checklist
A�k Department of Community Development
33325 81h Avenue South
CITY of Federal Way, WA 98003-6325
Federal Wiv 253-835-2607; Fax 253-835-2609
►t w%v.cityuf fcdcrA%vay.cant
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.)
This project proposes an approximately 100,000 GSF self -storage building (3 stories plus basement)
with associated parking, grading, and utility and stormwater system improvements.
12. Location of the proposal. Give sufficient information for a person to understand the precise location of
your proposed project, including a street address, if any, and section, township, and range, if known. If
a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a
legal description, site plan, vicinity map, and topographic map, if reasonably available. While you
should submit any plans required by the agency, you are not required to duplicate maps or detailed
plans submitted with any permit applications related to this checklist.
The project is located at 29600 Pacific Hwy S (Parcel 0421049035). The legal description and
associated topographic information are provided on the survey included with the permit submittal.
B. ENVIRONMENTAL ELEMENTS
1. Earth
a. General description of the site:
(circle one) Flat olling, hilly, tee sla a ountainous, other
The site slopes steeply from 16th Ave S at the west down to a relatively flat pad.
b. What is the steepest slope on the site (approximate percent slope)?
Approximately 67%. The steep western slope ranges from approximately 1.5:1 to 2:1.
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.
On the eastern portion of the site, the soils are comprised of undocumented fill that overlays
Advance Outwash. In the western and central portions of the site, the soils are dense to
very dense Advance Outwash.
d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe.
The site is comprised of undocumented fill to depths of 0.5' to 11.5' (shallow to the west and south
and deepest at the northeast corner).
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.
The site has been graded to allow for the placement of the building and parking lot, including a
significant cut into the existing western slope. The estimated cut is approx. 8500 CY, plus an
additional 750 CY excavation for the stormwater facility. The estimated fill is approx. 400 CY.
Excavated site soils will be reusedas fill to the maximum extent feasible.
f. Could erosion occur as a result of clearing, construction, or use? Itso, generally describe.
The existing steep slopes could be subject to erosion, if not protected during construction. The
Geotechnical Report outlines specific measures to be employed during construction and use
to reduce erosion; therefore, no significant environmental impacts are anticipated.
Bulletin #050 — October 17, 2016 Page 3 of 15 k:\Handouts\Environmental Checklist
� 5
-J 4
Department of Community Development
�� 33325 8`h Avenue South
CITY OF =•-- Federal Way, WA 98003-6325
Federa I W.- v 253-835-2607; Fax 253-835-2609
wwiv.citvo l3edarahvay.com
g. About what percent of the site will be covered with impervious surfaces after project construction
(for example, asphalt or buildings)?
The existing steep slopes could be subject to erosion, if not protected during construction. The
Geotechnical Report outlines specific measures to be employed during construction and use
to reduce erosion; therefore, no significant environmental impacts are anticipated.
h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any:
A TESC plan in accordance with City of Federal Way development regulations will be provided
to reduce or eliminate erosion and sediment control impacts. The site will be fully stabilized i}� {�
2. Air (paved and landscaped) prior to the end of construction. C r,
\J'
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.
b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally
describe.
c. Proposed measures to reduce or control emissions or other impacts to air, if any: r�
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 surface water bodies are located on or in the immediate vicinity of the site.
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.
N/A
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.
N/A
4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose,
and approximate quantities if known.
No surface water withdrawals or diversions are anticipated for this project.
Bulletin #050 — October 17, 2016 Page 4 of 15 k:\landouts\Environmental Checklist
Department of Community Development
33325 81h Avenue South
CITY OF ` r --. a Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
u,ww.t itvotTeclzr.il ►vay.com
5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan.
The project does not lie within the 100-year floodplain.
6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the
type of waste and anticipated volume of discharge.
The project does not propose discharge of waste material to surface waters.
b. Ground Water:
1) 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.
A well is not proposed for this project. Water will be supplied by the Lakehaven Utility
District system.
2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if
any (for example: domestic sewage; industrial, containing the following chemicals... ; agricultural;
etc.). Describe the general size of the system, the number of such systems, the number of houses to
be served (if applicable), or the number of animals or humans the system(s) are expected to serve.
The proposed on -site sanitary sewer system will connect to the Lakehaven Utility District
sanitary sewer system.
c. Water runoff (including stormwater):
2)
Xi Describe Lite source of runoff (including storm water) and method of collection and disposal, if any ��
(include quantities, if known). Where will this water flow? Will this water flow into other waters? If
so, describe. Stormwater runoff will be created from the building, sidewalks, and paved parking area.
Stormwater runoff will be collected via a system of catch basins and routed to the proposed water
quality and flow control facilities. These facilities will outlet to the existing point of discharge from
the site: murliqipal system within P cific Hwy y , which ultim Tel outlets to Redondo Creek.
Could waste materials enter ground or surface waters. If so, genera�y escribe.
No, a water quality facility is proposed to treat water prior to discharging from the site.
3) Does the proposal alter or otherwise affect drainage patterns in the vicinity of the site? If so, describe.
No, the existing drainage basin and point of discharge from the site will be maintained in
the proposed conditions.
d.Proposed measures to reduce or control surface, ground, and runoff water, and drainage pattern
impacts, if any:
Stormwater runoff will be collected via a system of catch basins and routed to the proposed water
quality and flow control facilities. These facilities will outlet to the existing point of discharge from
the site: municipal system within Pacific Hwy S, which ultimately outlets to Redondo Creek.
ol\f\
Bulletin #050 - October 17, 2016 Page 5 of 15 k:\Handouts\Environmental Checklist
CITY OF
Federal Way
4. Plants
a. Check the types of vegetation found on the site:
Department of Community Development
33325 8`h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
w�<<w. ci tvn ti'ednalwa.v.tiU�
deciduous tree: alder maple, aspen, other Cottonwood
_X_evergreen tree. fir, edar, pine, other
shrubs
X grass
pasture
crop or gram
Orchards, vineyards or other permanent crops.
wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other
water plants: water lily, eelgrass, milfoil, other
other types of vegetation
�t�j,_,.
b. What kind and amount of vegetation will be removed or altered? 0,
l
The existing on -site trees, shrubs, and grasses will be removed within the proposed grading limits.
c. List threatened and endangered species known to be on or near the site.
No known threatened or endangered species are located on or near the site.
d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on
the site, if any: Proposed landscaping includes mostly native trees, shrubs, and ground cover
as required by the City of Federal Way. New trees will be planted to satisfy required tree
density of 20 tree units per acre as defined by the City of Federal Way. Minimum 25% of
new vegetation shall be drought tolerant.
e. List all noxious weeds and invasive species known to be on or near the site.
Blackberry is known to be on/near the site.
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, ongbir s other:
mammals: deer, bear, elk, beaver, other:
fish: bass, salmon, trout, herring, shellfish, other:
b. List any threatened and endangered species known to be on or near the site.
J
No known threatened or endangered species are located on or near the site.
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.
Department of Community Development
33325 0 Avenue South
Federal Way, WA 98003-6325
253-835-2607; Fax 253-835-2609
www.eityulTederal way.com
The site is not known to be located on a migration route.
d. Proposed measures to preserve or enhance wildlife, if any:
The proposed development is not anticipated to impact wildlife; therefore, no measures to
preserver wildlife are necessary or proposed.
e. List any invasive animal species known to be on or near the site.
No invasive animal species are known to be on or near the site.
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 power will be used for heating and minimal equipment (elevators, office and
breakroom).
b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally
describe.
This project complies with the applicable City of Federal Way zoning and setback
requirements, and no impacts to the potential use of solar energy by adjacent parcels is
anticipated.
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:
This project is slated for high efficiency windows and qualifies as a thermal mass, with
a substantial portion of the building embedded in the hillside, helping reduce heat loss.
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 known sources of contamination are located on the site or proposed as part of this
development.
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.
No known hazardous chemicals/conditions are located on the site.
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.
No toxic or hazardous chemicals proposed to be stored, used, or produced as part
of this development.
Bulletin #050 — October 17, 2016 Page 7 of 15 kAHandouts\Environmental Checklist
Department of Community Development
33325 81h Avenue South
CITY OF 4 r -' - Federal Way, WA 98003-6325
Federal W; v 253-835-2607; Fax 253-835-2609
wwwxit ottederahva .corn
4) Describe special emergency services that might be required.
No special emergency services may be required for this proposed development.
5) Proposed measures to reduce or control environmental health hazards, if any:
The proposed development will comply with all applicable fire, building, and zoning
code requirements.
b. Noise
1) What types of noise exist in the area which may affect your project (for example: traffic,
equipment, operation, other)?
Traffic from Pacific Hwy S will be the most significant source of noise for this project.
There are no external noise sources that would affect the proposed development.
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.
Noise from construction activities will be created in the short-term. Construction activity
and noise will be limited in compliance with the City of Federal Way requirements. No
permanent noise impacts are anticipated after construction has been completed.
3) Proposed measures to reduce or control noise impacts, if any:
Construction activity and noise will be limited in compliance with the City of Federal Way
requirements.
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.
The site is bordered to the north by an existing motel, to the south by an undeveloped
parcel, to the west by Pacific Hwy S, and to the east by 16th Ave S. No impacts to the
adjacent property land uses are anticipated.
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?
The site has not been used as working farmlands or forest lands.
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 working farm or forest lands are located in the vicinity of the site.
Bulletin #050 - October 17, 2016 Page 8 of 15 k:\Handouts\Environmental Checklist
1�k
CITY OF
Federal Way
:U
c. Describe any structures on the site.
There are no existing structures on the site.
d. Will any structures be demolished? If so, what?
There are no existing structures on the site.
e. What is the current zoning classification of the site?
Department of Community Development
33325 81h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
%VWkV'cit yoffederaIwnkcom
The site is zoned BC - Community Business.
f. What is the current comprehensive plan designation of the site?
The comprehensive plan designation is Community Business.
g. If applicable, what is the current shoreline master program designation of the site?
N/A
h. Has an art of the site been classified as a critical area by the city or county? If so, specify.
any � 1 ,
No. r .• ���
i. Approximately how many people would reside or work in the completed project?
No people are to reside in the completed project, approximately 1-2 employees would
be on site at any given time, with 0-15 visitors.
j. Approximately how many people would the completed project displace?
This project will not displace anyone.
k. Proposed measures to avoid or reduce displacement impacts, if any:
This project will not displace anyone; therefore, no measures to avoid
displacement impacts are proposed.
1. Proposed measures to ensure the proposal is compatible with existing and projected land
uses and plans, if any:
This project will be designed in compliance with all applicable local, state, and federal
codes and requirements.
in. Proposed measures to reduce or control impacts to agricultural and forest lands of long-term
commercial significance, if any:
This project does not propose any impacts to agricultural or forest lands of long-term
significance.
Housing
a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-
income housing.
None; this is not a residential project.
Bulletin #050 — October 17, 2016 Page 9 of 15 k:\Handouts\Environmental Checklist
Department of Community Development
�_�, r 33325 8`" Avenue South
CITY of `r Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
w■r■■ .citvo I'Icdcr:L I way.c0111
b. Approximately how many units, if any, would be eliminated? Indicate whether high-, middle-, or
low-income housing.
None; the site is undeveloped.
c. Proposed measures to reduce or control housing impacts, if any:
No impacts to housing are proposed.
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?
Height: 47'-5 1/4" Principal exterior building materials include: CMU block (2 colors), metal panels
(smooth & striated), glazing, storefront windows, and cast in place concrete.
b. What views in the immediate vicinity would be altered or obstructed?
The view South from motel will see the new completed project instead of an empty semi -forested parcel.
c. Proposed measures to reduce or control aesthetic impacts, if any:
The proposed project meets city guidelines through its articulation of the building facade, a range of exterior
building materials, and by dropping the scale of the first level to match pedestrians (cantilever and canopies
above individual storage unit doors).
11. Light and Glare
a. What type of light or glare will the proposal produce? What time of day would it mainly occur?
The interior of the completed building will be illuminated at night so coil doors can be seen by pedestrians and vehicular traffic. The majority of
the glazing is along the East facade across from the parking lot and forested corner of the lot across Pacific Highway S. There are 4 windows
that will face North towards the existing motel, though they are on levels 20, so should have minimal impact on the rooms at ground level and
the second floor of the motel.
b. Could light or glare from the finished project be a safety hazard or interfere with views?
No, the lighting will improve visibility for pedestrians near the building by supplementing the existing street
lighting, while not impacting vehicular traffic.
c. What existing off -site sources of light or glare may affect your proposal?
No existing sources are anticipated to impact the proposed development.
d. Proposed measures to reduce or control light and glare impacts, if any:
No impacts are anticipated.
12. Recreation
a. What designated and informal recreational opportunities are in the immediate vicinity?
Sacajawea Park is located west of the project site across 16th Ave S and includes
a basketball court, play structure, track, soccer field, baseball fields, volleyball area,
tennis courts, and walking paths.
Bulletin #050 — October 17, 2016 Page 10 of 15
k:\Handouts\Environmentat Checklist
Department of Community Development
33325 8'11 Avenue South
CITY OF `. y Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
ww%v.cityi) t'f'ederitl %ti ay.coin
b. Would the proposed project displace any existing recreational uses? If so, describe.
No existing recreational uses will be displaced as part of the proposed development.
c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to
be provided by the project or applicant, if any:
No impacts to recreational opportunities are anticipated.
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 known historical buildings, structures, or sites are located on or near the project site.
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.
The site is currently vacant, and no known evidence of Indian or historic use or occupation
has been identified on the project site.
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.
The site is currently vacant, and no known evidence of Indian or historic use or occupation
has been identified on the project site.
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.
No impacts to historic or cultural resources are anticipated.
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.
Pacific Highway S is located directly east of the project site. 16th Ave S is located directly
west of the project site. Both are shown on the site plan included in the Process III application.
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?
Yes, the RapidRide A Line (King County Metro) serves a southbound stop on Pacific Hwy S that is
approximately 260 ft north of the project site, and a northbound stop on Pacific Hwy S that is
approximately 420 ft northeast of the project site.
Bulletin #050 — October 17, 2016 Page 11 of 15 k:\Handouts\Environmental Checklist
Department of Community Development
33325 81h Avenue South
CITY OF "��' Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
%vww.citvo l'rcderal %vay.cozn
c. How many additional parking spaces would the completed projector non -project proposal have?
How many would the project or proposal eliminate?
The completed project will have 12 additional parking stalls. There are no existing on -site
parking stalls.
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).
The project will not require any improvements to existing roads, streets, pedestrian, bicycle
or state transportation facilities. A request to waive improvement requirements on 16th Ave S
is submitted for this project, as no future access to 16th Ave S is proposed as part of this project.
e. Will the projector proposal use (or occur in the immediate vicinity of) water, rail, or air transportation?
If so, generally describe.
The project will not use or occur in the immediate vicinity of water, rail, or air transportation.
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?
Per the Independent Transportation Impact Fee Calculation for this project, prepared by
Transportation Systems, Inc., the project is estimated to generate 125 daily trips between SAM
and 1OPM. The peak PM volume of trips is estimated to be between 11 AM and 1 PM. These
estimates were generated from data taken at an existing StorQuest facility in Denver, CO.
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.
This project is not anticipated to have an impact on or be affected by the movement of
agricultural and forest products on roads or streets in the area.
h. Proposed measures to reduce or control transportation impacts, if any: r
The project will not require any improvements to existing roads, streets, pedestrian, bicycle v µ�
or state transportation facilities. A request to waive improvement requirements on 16th Ave S
is submitted for this project, as no future access to 16th Ave S is proposed as part of this project.
15. Public Services r' �(�
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.
No increased need for public services is anticipated as a result of this project.
b. Proposed measures to reduce or control direct impacts on public services, if any.
No increased need for public services is anticipated as a result of this project.
16. Utilities
a. Circle utilities currently available at the site:
electricity, natural gas, water, refuse service, telephone anitary sewer septic system,
other
Bulletin #050 — October 17, 2016 Page 12 of 15 k:\Handouts\Environmental Checklist
Department of Community Development
33325 8th Avenue South
CITY OF A'� = "± Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
www.citvulTedera imay.tntn
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.
The project proposes to connect to electricity (PSE) and water and sanitary sewer
(Lakehaven Utility District). A telecommunications connection will also be provided.
C. SIGNATURE
The above answers are true and complete to the best of my knowledge. I understand
that the lead agency is relying on them to make its decision.
Signature:
Name of Signee: +�eiv,A Aeewhay,e
Position and Agency/Organization: StIlibY 4
Date Submitted: ZY t 40
Bulletin #050 — October 17, 2016 Page 13 of 15
k:\landouts\Environmental Checklist
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Figure 1: Vicinity Map
Location: 29600 Pacific Hwy S in Federal Way, WA.
Section, Township, Range: SW 1/4, SEC. 4, TOWNSHIP 21N, RANGE 4E, W.M.
Parcel/Tax Lot: 0421049035
Size: Approximately 1.05 acres
City, County, State: Federal Way, King County, Washington
Governing Agency: City of Federal Way
Sjeqq, Lake
NAVIX
StorQuest Federal Way
Page 10
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31919 111 Ave S, Suite 101 1 Federal, Way, WA 98003 1253.925.5565 1253.925.5750 (f)
Affidavit of Publication
Polly Shepherd, being first duly sworn on oath, deposes and says that she is the Publisher of The
Federal Way Mirror, a weekly newspaper. That said newspaper is published in the English
language continually as a weekly newspaper in Federal Way, King County, Washington, and is
now and during all of said time has been printed in an office maintained by the aforementioned
place of publication of said newspaper.
That the annexed is a true copy of a legal advertisement placed by
City of Federal Way - Community Development
as it was published in regular issues (and not in supplemental form) of said newspaper once
each week for a period of one consecutive week(s), commencing on the 17th day of March
2017, and ending on the 17th d ay o f March 2017. both dates inclusive, and that such
newspaper was regularly distributed to its readers during all of said period.
That the full amount of the fee charged for the foregoing publication is the sum of $164.39,
which amount has been paid in full, or billed at the legal rate according to RCW 65.16.020.
Subscribed to and sworn before me this 6th day of April 2017.
Notary Public in and for the State of Washington,
Residing at Buckley
olIIIIIIJI't',
,%'' - IP, A AIvo ?'�,
o
NOTARY z
PUBLIC
%
VV `-SO Rtiti
sera! Way
NOTICE OF MASTER LAND USE APPLICATION
AND
OPTIONAL DETERMINATION OF
NONSIGNIFICANCE (DNS)
Project Name: Storquest Self -Storage
Project Description: Proposed construction of a
new 4-story enclosed self -storage facility with ap-
proximately 100,000 square feet of gross floor
area, and associated site work.
Applicant Agent: Navix Engineering, Jenelle Taflin,
11400 SE 8th Street, Suite 345, Bellevue, WA
98004
Project Location: 29600 Pacific Highway South,
Federal Way, WA, Parcel #042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3, 2017
Environmental Review: Based upon review of a
completed environmental checklist and other infor-
mation on file with the City, it is likely that the City
of Federal Way will determine that the project will
not have a probable significant adverse impact on
the environment and expects to issue a Determina-
tion of Nonsignificance (DNS) for this project. The
optional DNS process in WAG 197-11-355 is being
used. This may be your only opportunity to com-
ment on the environmental impacts of the pro-
posed project. The proposal may include mitiga-
tion measures under applicable codes, and the
review process may incorporate or require mitiga-
tion measures regardless of whether an environ-
mental impact statement (EIS) is prepared. A copy
of the subsequent threshold determination for the
specific proposal may be obtained upon request.
Agencies, tribes, and the public are encouraged to
review and comment on the proposed project and
its probable environmental impacts. Comments
must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File
#17-100640-UP) issued by the Director of Com-
munity Development pursuant toFederal Way Re-
vised Code (FWRC) Chapter 19.65. Additional per-
mits and/or approvals include a threshold
(determination pursuant toState Environmental
Policy Act (SEPA) Rules WAG 197-11 (File #17-
100641-00-SE) and Transportation Concurrency
Review (File #17-100644-00-CN).
Environmental Documents & Required Studies: En-
vironmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitiga-
tion: Federal Way Revised Code Title 14,
'Environmental Policy;' Title 16 'Surface Water
Management;' and Title 19 'Zoning and Develop-
ment Code.'
Consistency with Applicable City Plans and Regula-
tions: The project will be reviewed for consistency
with all applicable codes and regulations including
the FWRC, 2016 King County Surface Water De-
sign Manual as amended by the City of Federal
Way, and the Public Works Department Develop-
ment Standards.
Public Comment & Appeals: Any person may sub-
mit written comments regarding the land use ap-
plication or the environmental impacts of the pro-
posal to the Director of Community Development
by 5:00 p.m. on April 3, 2017, Only persons who
submit written comments to the Director (address
below) or specifically request a copy of the deci-
sion, may appeal the decision. However, any inter-
ested party may appeal,the environmental thresh-
old determination.
Issuance of Final Environmental Determination:
The final DNS may be issued without a second
comment period, unless timely comments identify
probable significant adverse impacts that were not
considered by the Notice of Optional DNS. A copy
of the DNS may be obtained upon request.
Availability of File: The official project files, existing
environmental documents and required studies are
available for public review during normal business
hours at the Department of Community Develop-
ment, 33325 8th Avenue South, Federal Way, WA
98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or
jim.harris@cityoffederalway.com
Printed in the Federal Way Mirror March 17, 2017.
FWM 2437
I
DEPARTMENT OF COMMUNITY DEVELOPMENT
Avenue South
Federal
Way WA 98003
CITE' OF 253-835-7000; Fax 253-835-2609
Federal Way www.cityoffederalway.com
DECLARATION OF DISTRIBUTION
1
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 Significar-ce
(DS) and Scoping Notice
❑ Notice of Environmental Determination
of Nonsignificance (SEPA, DNS)
❑ Notice of Mitigated Environmental
Determination of Nonsignificance (SEPA,
MDNS)
59 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 ❑ mailed ❑ faxed ,K e-mailed and/or ❑ posted to or at each of the attached addresses on
I.' i (0 2017.
Project Namet�-
-
File Number(s) I I" L b b% `,i
Signature_::! Date 3 �l
K:\CD Administration Files\Declaration of Distribution.doc/Last printed 1 /12/2017 10:33:00 AM
Tamara Fix
From: Jennifer Anderson <jnderson@fedwaymirror.com>
Sent: Thursday, March 16, 2017 12:33 PM
To: Tamara Fix
Subject: Re: Legal Notice - Storquest
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
121--.
Sound Publishing
Map Print Rates Online Itatcs Media Fri Sound Info
On Thu, Mar 16, 2017 at 8:59 AM, Tamara Fix <Tamara.Fix r@cityoffederalway.coin> wrote:
Here is the 2nd one.
Please publish the following legal notice (Storquest NOA & Opt DNS, 17-100641) in Friday's (March 17,
2017) issue.
Please confirm and issue an affidavit of publication.
4
CITY OF
Federal Way
NOTICE OF MASTER LAND USE APPLICATION AND
OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS)
1
Project Name: Storquest Self -Storage
Project Description: Proposed construction of a new 4-story enclosed self -storage facility with approximately
100,000 square feet of gross floor area, and associated site work.
Applicant Agent: Navix Engineering, Jenelle Taflin, 11400 SE 8"' Street, Suite 345, Bellevue, WA 98004
Project Location: 29600 Pacific Highway South, Federal Way, WA. Parcel 4042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3. 2017
Environmental Review: Based upon review of a completed environmental checklist and other information on
file with the City, it is likely that the City of Federal Way will determine that the project will not have a
probable significant adverse impact on the environment and expects to issue a Determination of
Nonsignificance (DNS) for this project. The optional DNS process in WAC 197-11-355 is being used. This may
be your only opportunity to comment on the environmental impacts of the proposed project. The proposal may
include mitigation measures under applicable codes, and the review process may incorporate or require
mitigation measures regardless of whether an environmental impact statement (EIS) is prepared. A copy of the
subsequent threshold determination for the specific proposal may be obtained upon request.
Agencies, tribes, and the public are encouraged to review and comment on the proposed project and its probable
environmental impacts. Comments must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File #17-100640-UP) issued by the Director of Community
Development pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional permits and/or
approvals include a threshold determination pursuant to Stale Environmental Policy Act (SEPA) Rules WAC
197-11 (File #17-100641-00-SE) and Transportation Concurrency Review (File #17-100644-00-CN).
Environmental Documents & Required Studies: Environmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitigation: Federal Way Revised Code 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 FWRC, 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: Any person may submit written comments regarding the land use application or
the environmental impacts of the proposal to the Director of Community Development by 5:00 p.m. on April 3,
2017. Only persons who submit written comments to the Director (address below) or specifically request a copy
of the decision, may appeal the decision. However, any interested party may appeal the environmental threshold
determination.
Issuance of Final Environmental Determination: The final DNS may be issued without a second comment
period, unless timely comments identify probable significant adverse impacts that were not considered by the
Notice of Optional DNS. A copy of the DNS may be obtained upon request.
Availability of File: The official project files, existing environmental documents and required studies are
available for public review during normal business hours at the Department of Community Development, 33325
81" Avenue South, Federal Way, WA 98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or Jim.harris@cityoffederalway.corn
Printed in the Federal Way Mirror March 17, 2017.
Tamara Fix
Administrative Assistant
I ederaf Way
33325 8"' Avenue South
Federal Way. WA 98003-6325
Phone:253/835-2602 Fax: 253/835-2609
www.citvoffederalway.coin
11
DEPARTMENT OF COMMUNITY DEVELOPMENT
33325 8th Avenue South
Ak Federal Way WA 98003
CITY OF 253-835-7000; Fax 253-835-2609
Way Federalwww. ft of€ederolwa .com
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 Significarce
(DS) and Scoping Notice
❑ Notice of Environmental Determination
of Nonsignificance (SEPA, DNS)
❑ Notice of Mitigated Environmental
Determination of Nonsignificance (SEPA,
MDNS)
C Notice of Land Use Application &
Optional DNS/MDNS
❑ FWRC Interpretatbn
❑ 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 X mailed ❑ faxed ❑ e-mailed and/or ❑ posted to or at each of the attached addresses on
-� 2017.
Project Name -L ��1 -
File Number(s) )-7-1000a9Q
Signature --f� Date 2, / 7 —I �7
K \CD Administration Files\Declaration of Distributior6doc/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: Storquest Self -Storage
Project Description: Proposed construction of a new 4-
story enclosed self -storage facility with approximately
100,000 square feet of gross floor area, and associated site
work.
Applicant Agent: Navix Engineering, Jenelle Taflin,
11400 SE 8th Street, Suite 345, Bellevue, WA 98004
Project Location: 29600 Pacific Highway South, Federal
Way, WA, Parcel #042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3, 2017
Environmental Review: Based upon review of a completed environmental checklist and other
information on file with the City, it is likely that the City of Federal Way will determine that the project
will not have a probable significant adverse impact on the environment and expects to issue a
Determination of Nonsignificance (DNS) for this project. The optional DNS process in WAC 197-11-355
is being used. This may be your only opportunity to comment on the environmental impacts of the
proposed project. The proposal may include mitigation measures under applicable codes, and the review
process may incorporate or require mitigation measures regardless of whether an environmental impact
statement (EIS) is prepared. A copy of the subsequent threshold determination for the specific proposal
may be obtained upon request.
Agencies, tribes, and the public are encouraged to review and comment on the proposed project and its
probable environmental impacts. Comments must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File #17-100640-UP) issued by the Director of
Community Development pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional
permits and/or approvals include a threshold determination pursuant to State Environmental Policy Act
(SEPA) Rules WAC 197-11 (File #17-100641-00-SE) and Transportation Concurrency Review (File #17-
100644-00-CN).
Environmental Documents & Required Studies: Environmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitigation: Federal Way Revised Code 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 F WRC, 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: Any person may submit written comments regarding the land use
application or the environmental impacts of the proposal to the Director of Community Development by
5:00 p.m. on April 3, 2017. Only persons who submit written comments to the Director (address below)
or specifically request a copy of the decision, may appeal the decision. However, any interested party may
appeal the environmental threshold determination.
Issuance of Final Environmental Determination: The final DNS may be issued without a second
comment period, unless timely comments identify probable significant adverse impacts that were not
considered by the Notice of Optional DNS. A copy of the DNS may be obtained upon request.
Availability of File: The official project files, existing environmental documents and required studies are
available for public review during normal business hours at the Department of Community Development,
33325 8"' Avenue South, Federal Way, WA 98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or jim.harris c�citxoffederalway.com
Printed in the Federal Way Mirror March 17, 2017.:
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CiTY OF
Federal Way
DEPARTMENT OF COMMUNITY DEVELOPMENT
33325 8th Avenue South
Federal Way WA 98003
253-835-7000; Fax 253-835-2609
www.cityoffederalway.coM
DECLARATION OF DISTRIBUTION
l 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)
1Z Notice of Land Use Application &
Optional DNS/MDNS
❑ FWRC Interpretation
❑ Other
was ❑ mailed ❑ faxed
20i7.
Project Name
File Number(s)
❑ 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 Pemnit
❑ Adoption of Existing Environmental
Document
ID'e-mailed and/or ❑ posted to or at each of the attached addresses on
Signature f Date 5' 1i-
K:\CD Administration Files\Declaration of Distribution.doc/Last printed 1 /12/2017 10:33:00 AM
4ik
CITY OF
Federal Way
NOTICE OF MASTER LAND USE APPLICATION AND
OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS)
Project Name: Storquest Self -Storage
Project Description: Proposed construction of a new 4-
story enclosed self -storage facility with approximately
100,000 square feet of gross floor area, and associated site
work.
Applicant Agent: Navix Engineering, Jenelle Taflin,
11400 SE 86' Street, Suite 345, Bellevue, WA 98004
Project Location: 29600 Pacific Highway South, Federal
Way, WA, Parcel #042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3, 2017
Environmental Review: Based upon review of a completed environmental checklist and other
information on file with the City, it is likely that the City of Federal Way will determine that the project
will not have a probable significant adverse impact on the environment and expects to issue a
Determination of Nonsignificance (DNS) for this project. The optional DNS process in WAC 197-11-355
is being used. This may be your only opportunity to comment on the environmental impacts of the
proposed project. The proposal may include mitigation measures under applicable codes, and the review
process may incorporate or require mitigation measures regardless of whether an environmental impact
statement (EIS) is prepared. A copy of the subsequent threshold determination for the specific proposal
may be obtained upon request.
Agencies, tribes, and the public are encouraged to review and comment on the proposed project and its
probable environmental impacts. Comments must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File #17-100640-UP) issued by the Director of
Community Development pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional
permits and/or approvals include a threshold determination pursuant to State Environmental Policy Act
(SEPA) Rules WAC 197-11 (File #17-100641-00-SE) and Transportation Concurrency Review (File #17-
100644-00-CN).
Environmental Documents & Required Studies: Environmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitigation: Federal Way Revised Code 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 FWRC, 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: Any person may submit written comments regarding the land use
application or the environmental impacts of the proposal to the Director of Community Development by
5:00 p.m. on April 3, 2017. Only persons who submit written comments to the Director (address below)
or specifically request a copy of the decision, may appeal the decision. However, any interested party may
appeal the environmental threshold determination.
Issuance of Final Environmental Determination: The final DNS may be issued without a second
comment period, unless timely comments identify probable significant adverse impacts that were not
considered by the Notice of Optional DNS. A copy of the DNS may be obtained upon request.
Availability of File: The official project files, existing environmental documents and required studies are
available for public review during normal business hours at the Department of Community Development,
33325 8"' Avenuc South, Federal Way, WA 98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or jini.lrarris(tGcityoffederalway.com
Printed in the Federal Way Mirror March 17, 2017.
Department of Community Development
RECEIVED 33325 81h Avenue South
CITY of Federal Way, WA 98003-6325
Federal Vila 253-835-2607; Fax 253-835-2609
y FEB 1, 6 2017 -oily llia era «<«.cu�n
CITY OF FEDERAL WAY
CDCUf���� r�
SEPA ENVIRONMENTAL CHECKLIST w/,,
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
CITY OF
Federal Wav
A. BACKGROUND
Department of Community Development
33325 81h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
1. Name of proposed project, if applicable: StorQuest Federal Way
2. Name of applicant: Navix Engineering (Jenelle Taflin)
3. Address and phone number of applicant and contact person' Jenelle Taflin, PE
11400 SE 8th Street, Suite 345
Bellevue, WA 98004
425-453-9501 x1511
4. Date checklist prepared: 1 /31 /2017
5. Agency requesting checklist: City of Federal Way
6. Proposed timing or schedule (including phasing, if applicable): City of Federal Way
7. Do you have any plans for future additions, expansion, or further activity related to or connected with
this proposal? If yes, explain. No future activity related to this proposal is anticipated.
8. List any environmental information you know about that has been prepared, or will be prepared,
directly related to this proposal.
A geotechnical report has been prepared for this proposal.
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 known governmental approvals of other proposals directly affecting this project site are pending.
10. List any government approvals or permits that will be needed for your proposal, if known.
City of Federal Way Process III/SEPA
City of Federal Way Commercial Building Permit and building -related permits, including Engineering Review
Lakehaven Utility District Utility Developer Extension
NDPES NOI
Bulletin #050 — October 17, 2016 Page 2 of 15 k:\Handouts\Environmental Checklist
Department of Community Development
33325 86' Avenue South
CITY OF Federal Way, WA 98003-6325
Federal Way253-835-2607; Fax 253-835-2609
» evu .cityoCte�f�rah�a�.cr�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.)
This project proposes an approximately 100,000 GSF self -storage building (3 stories plus basement)
with associated parking, grading, and utility and stormwater system improvements.
12. Location of the proposal. Give sufficient information for a person to understand the precise location of
your proposed project, including a street address, if any, and section, township, and range, if known. If
a proposal would occur over a range of area, provide the range or boundaries of the site(s). Provide a
legal description, site plan, vicinity map, and topographic map, if reasonably available. While you
should submit any plans required by the agency, you are not required to duplicate maps or detailed
plans submitted with any permit applications related to this checklist.
The project is located at 29600 Pacific Hwy S (Parcel 0421049035). The legal description and
associated topographic information are provided on the survey included with the permit submittal.
B. ENVIRONMENTAL ELEMENTS
1. Earth
a., General description of the site:
(circle one) Flat olling, hilly, teep slo es mountainous, other
The site slopes steeply from 16th Ave S at the west down to a relatively flat pad.
b. What is the steepest slope on the site (approximate percent slope)?
Approximately 67%. The steep western slope ranges from approximately 1.5:1 to 2:1.
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.
On the eastern portion of the site, the soils are comprised of undocumented fill that overlays
Advance Outwash. In the western and central portions of the site, the soils are dense to
very dense Advance Outwash.
d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe.
The site is comprised of undocumented fill to depths of 0.5' to 11.5' (shallow to the west and south
and deepest at the northeast corner).
e. Describe the purpose, type, total area, and approximate quantities and total affected area of any
fillingg, excavation, and grading proposed. Indicate source of fill.
Tl�1e site has been graded to allow for the placement of the building and parking lot, including a
significant cut into the existing western slope. The estimated cut is approx. 8500 CY, plus an
additional 750 CY excavation for the stormwater facility. The estimated fill is approx. 400 GY.
Excavated site soils will be reused. as fill to the maximum extent feasible.
f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe.
The existing steep slopes could be subject to erosion, if not protected during construction. The
Geotechnical Report outlines specific measures to be employed during construction and use
to reduce erosion; therefore, no significant environmental impacts are anticipated.
Bulletin #050 — October 17, 2016 Page 3 of 15 kAHandouts\Environmental Checklist
N
CITY OF
Federal Way
Department of Community Development
33325 8`h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
g. About what percent of the site will be covered with impervious surfaces after project construction
(for example, asphalt or buildings)?
The existing steep slopes could be subject to erosion, if not protected during construction. The
Geotechnical Report outlines specific measures to be employed during construction and use
to reduce erosion; therefore, no significant environmental impacts are anticipated.
h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any:
A TESC plan in accordance with City of Federal Way development regulations will be provided
to reduce or eliminate erosion and sediment control impacts. The site will be fully stabilized
2. Air (paved and landscaped) prior to the end of construction.
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.
b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally
describe.
c. Proposed measures to reduce or control emissions or other impacts to air, if any:
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 surface water bodies are located on or in the immediate vicinity of the site.
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.
N/A
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.
N/A
4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose,
and approximate quantities if known.
No surface water withdrawals or diversions are anticipated for this project.
Bulletin #050 — October 17, 2016
Page 4 of 15
k:\Handouts\Environmental Checklist
/N\I
Department of Community Development
33325 81" Avenue South
CITY OF Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
n w►� .cit�o 1 iial� ral W'aV.C17111
5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan.
The project does not lie within the 100-year floodplain.
6) Does the proposal involve any discharges of waste materials to surface waters? If so, describe the
type of waste and anticipated volume of discharge.
The project does not propose discharge of waste material to surface waters.
b. Ground Water:
1) 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.
A well is not proposed for this project. Water will be supplied by the Lakehaven Utility
District system.
2) Describe waste material that will be discharged into the ground from septic tanks or other sources, if
any (for example: domestic sewage; industrial, containing the following chemicals... ; agricultural;
etc.). Describe the general size of the system, the number of such systems, the number of houses to
be served (if applicable), or the number of animals or humans the system(s) are expected to serve.
The proposed on -site sanitary sewer system will connect to the Lakehaven Utility District
sanitary sewer system.
c. Water nmoff (including stormwater):
1) Describe the source of runoff (including storm water) and method of collection and disposal, if any
(include quantities, if known). Where will this water flow? Will this water flow into other waters? If
so, describe. Stormwater runoff will be created from the building, sidewalks, and paved parking area.
Stormwater runoff will be collected via a system of catch basins and routed to the proposed water
quality and flow control facilities. These facilities will outlet to the existing point of discharge from
the site: mupl�lpal system within Pacific Hwy , hich ultimWel}outlets to Redondo Creek.
2 Could waste material s enter ground or surface waters. It so, genera y escrlbe.
No, a water quality facility is proposed to treat water prior to discharging from the site.
3) Does the proposal alter or otherwise affect drainage patterns in the vicinity of the site? If so, describe.
No, the existing drainage basin and point of discharge from the site will be maintained in
the proposed conditions.
d.Proposed measures to reduce or control surface, ground, and runoff water, and drainage pattern
impacts, if any:
Stormwater runoff will be collected via a system of catch basins and routed to the proposed water
quality and flow control facilities. These facilities will outlet to the existing point of discharge from
the site: municipal system within Pacific Hwy S, which ultimately outlets to Redondo Creek.
Bulletin #050 — October 17, 2016 Page 5 of 15 k:\Handouts\Environmental Checklist
A��
CITY OF
Fede.ra! Way
4. Plants
a. Check the types of vegetation found on the site:
Department of Community Development
33325 8`h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
�AA AA.CIi`. Li iICl��I`I�R;L `..CUIII
deciduous tree: alder maple, aspen, other Cottonwood
xevergreen tree: fir cedar, pine, other
Xshrubs
Xgrass
pasture
crop or grain
Orchards, vineyards or other permanent crops.
wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other
water plants: water lily, eelgrass, milfoil, other
other types of vegetation
b. What kind and amount of vegetation will be removed or altered?
The existing on -site trees, shrubs, and grasses will be removed within the proposed grading limits.
c. List threatened and endangered species known to be on or near the site.
No known threatened or endangered species are located on or near the site-
d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on
the site, if any: Proposed landscaping includes mostly native trees, shrubs, and ground cover
as required by the City of Federal Way. New trees will be planted to satisfy required tree
density of 20 tree units per acre as defined by the City of Federal Way. Minimum 25% of
new vegetation shall be drought tolerant.
e. List all noxious weeds and invasive species known to be on or near the site.
Blackberry is known to be on/near the site.
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, ongbir s other:
mammals: deer, bear, elk, beaver, other:
fish: bass, salmon, trout; herring, shellfish, other:
b. List any threatened and endangered species known to be on or near the site.
No known threatened or endangered species are located on or near the site.
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.
Department of Community Development
33325 81h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
LLNR. �i 1vLr i'r;'d�Fal L{'FS4 .�USI1
The site is not known to be located on a migration route.
d. Proposed measures to preserve or enhance wildlife, if any:
The proposed development is not anticipated to impact wildlife; therefore, no measures to
preserver wildlife are necessary or proposed.
e. List any invasive animal species known to be on or near the site.
No invasive animal species are known to be on or near the site.
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 power will be used for heating and minimal equipment (elevators, office and
breakroom).
b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally
describe.
This project complies with the applicable City of Federal Way zoning and setback
requirements, and no impacts to the potential use of solar energy by adjacent parcels is
anticipated.
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:
This project is slated for high efficiency windows and qualifies as a thermal mass, with
a substantial portion of the building embedded in the hillside, helping reduce heat loss.
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 known sources of contamination are located on the site or proposed as part of this
development.
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.
No known hazardous chemicals/conditions are located on the site.
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.
No toxic or hazardous chemicals proposed to be stored, used, or produced as part
of this development.
Bulletin #050 — October 17, 2016 Page 7 of 15 k:\Handouts\Environmental Checklist
CITY OF
Felderal Wav
Department of Community Development
33325 81h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
c E uff' dCr:1I��a..cu,n
4) Describe special emergency set -vices that might be required.
No special emergency services may be required for this proposed development.
5) Proposed measures to reduce or control environmental health hazards, if any:
The proposed development will comply with all applicable fire, building, and zoning
code requirements.
b. Noise
1) What types of noise exist in the area which may affect your project (for example: traffic,
equipment, operation, other)?
Traffic from Pacific Hwy S will be the most significant source of noise for this project.
There are no external noise sources that would affect the proposed development.
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.
Noise from construction activities will be created in the short-term. Construction activity
and noise will be limited in compliance with the City of Federal Way requirements. No
permanent noise impacts are anticipated after construction has been completed.
3) Proposed measures to reduce or control noise impacts, if any:
Construction activity and noise will be limited in compliance with the City of Federal Way
requirements.
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.
The site is bordered to the north by an existing motel, to the south by an undeveloped
parcel, to the west by Pacific Hwy S, and to the east by 16th Ave S. No impacts to the
adjacent property land uses are anticipated.
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?
The site has not been used as working farmlands or forest lands.
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 working farm or forest lands are located in the vicinity of the site.
Bulletin #050 — October 17, 2016 Page 8 of 15 k:\Handouts\Environmental Checklist
k
CITY OF
Federal `111'ay
c. Describe any structures on the site.
There are no existing structures on the site.
d. Will any structures be demolished? If so, what?
There are no existing structures on the site.
e. What is the current zoning classification of the site?
The site is zoned BC - Community Business.
Department of Community Development
33325 8`h Avenue South
Federal Way, WA 98003-6325
253-835-2607; Fax 253-835-2609
H• LL' 1L . C I l V U l ?,C[1 c'Fal 1S'tiy, � U ITl
f. What is the current comprehensive plan designation of the site?
The comprehensive plan designation is Community Business.
g. If applicable, what is the current shoreline master program designation of the site?
N/A
h. Has any part of the site been classified as a critical area by the city or county? If so, specify.
No.
i. Approximately how many people would reside or work in the completed project?
No people are to reside in the completed project, approximately 1-2 employees would
be on site at any given time, with 0-15 visitors.
j. Approximately how many people would the completed project displace?
This project will not displace anyone.
k. Proposed measures to avoid or reduce displacement impacts, if any:
This project will not displace anyone; therefore, no measures to avoid
displacement impacts are proposed.
1. Proposed measures to ensure the proposal is compatible with existing and projected land
uses and plans, if any:
This project will be designed in compliance with all applicable local, state, and federal
codes and requirements.
in. Proposed measures to reduce or control impacts to agricultural and forest lands of long-term
commercial significance, if any:
This project does not propose any impacts to agricultural or forest lands of long-term
significance.
9. Housing
a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-
income housing.
None; this is not a residential project.
Bulletin #050 — October 17, 2016 Page 9 of 15 k:\Handouts\Environmental Checklist
Department of Community Development
33325 8`h Avenue South
CITY of Federal Way, WA 98003-6325
Federal Wav 253-835-2607; Fax 253-835-2609
b. Approximately how many units, if any, would be eliminated? Indicate whether high-, middle-, or
low-income housing.
None; the site is undeveloped.
c. Proposed measures to reduce or control housing impacts, if any:
No impacts to housing are proposed.
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?
Height: 47-5 1/4" Principal exterior building materials include: CMU block (2 colors), metal panels
(smooth & striated), glazing, storefront windows, and cast in place concrete.
b. What views in the immediate vicinity would be altered or obstructed?
The view South from motel will see the new completed project instead of an empty semi -forested parcel.
c. Proposed measures to reduce or control aesthetic impacts, if any:
The proposed project meets city guidelines through its articulation of the building facade, a range of exterior
building materials, and by dropping the scale of the first level to match pedestrians (cantilever and canopies
above individual storage unit doors).
11. Light and Glare
a. What type of light or glare will the proposal produce? What time of day would it mainly occur?
The interior of the completed building will be illuminated at night so coil doors can be seen by pedestrians and vehicular traffic. The majority of
the glazing is along the East facade across from the parking lot and forested corner of the lot across Pacific Highway S. There are 4 windows
that will face North towards the existing motel, though they are on levels 2&3, so should have minimal impact on the rooms at ground level and
the second floor of the motel.
b. Could light or glare from the finished project be a safety hazard or interfere with views?
No, the lighting will improve visibility for pedestrians near the building by supplementing the existing street
lighting, while not impacting vehicular traffic.
c. What existing off -site sources of light or glare may affect your proposal?
No existing sources are anticipated to impact the proposed development.
d. Proposed measures to reduce or control light and glare impacts, if any:
No impacts are anticipated.
12. Recreation
a. What designated and informal recreational opportunities are in the immediate vicinity?
Sacajawea Park is located west of the project site across 16th Ave S and includes
a basketball court, play structure, track, soccer field, baseball fields, volleyball area,
tennis courts, and walking paths.
Bulletin #050 — October 17, 2016 Page 10 of 15 k:\Handouts\Environmental Checklist
Department of Community Development
33325 81h Avenue South
CITY ofFederal Way, WA 98003-6325
Pp rie ra [ W v 253-835-2607; Fax 253-835-2609
��.%%sti.citvo[ ederaIway..cons
b. Would the proposed project displace any existing recreational uses? If so, describe.
No existing recreational uses will be displaced as part of the proposed development.
c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to
be provided by the project or applicant, if any:
No impacts to recreational opportunities are anticipated.
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 known historical buildings, structures, or sites are located on or near the project site.
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.
The site is currently vacant, and no known evidence of Indian or historic use or occupation
has been identified on the project site.
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.
The site is currently vacant, and no known evidence of Indian or historic use or occupation
has been identified on the project site.
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.
No impacts to historic or cultural resources are anticipated.
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.
Pacific Highway S is located directly east of the project site. 16th Ave S is located directly
west of the project site. Both are shown on the site plan included in the Process III application.
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?
Yes, the RapidRide A Line (King County Metro) serves a southbound stop on Pacific Hwy S that is
approximately 260 ft north of the project site, and a northbound stop on Pacific Hwy S that is
approximately 420 ft northeast of the project site.
Bulletin #050 — October 17, 2016 Page 11 of 15 UHandoutsTrivirommntal Checklist
Department of Community Development
33325 8`h Avenue South
CITY OF Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
,I, ,1'I ;I: i,
c. How many additional parking spaces would the completed projector non -project proposal have?
How many would the project or proposal eliminate?
The completed project will have 12 additional parking stalls. There are no existing on -site
parking stalls.
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).
The project will not require any improvements to existing roads, streets, pedestrian, bicycle
or state transportation facilities. A request to waive improvement requirements on 16th Ave S
is submitted for this project, as no future access to 16th Ave S is proposed as part of this project.
e. Will the project or proposal use (or occur in the immediate vicinity of) water, rail, or air transportation?
If so, generally describe.
The project will not use or occur in the immediate vicinity of water, rail, or air transportation.
f. How many vehicular trips per day would be generated by the completed project or 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?
Per the Independent Transportation Impact Fee Calculation for this project, prepared by
Transportation Systems, Inc., the project is estimated to generate 125 daily trips between 6AM
and 10PM. The peak PM volume of trips is estimated to be between 11 AM and 1 PM. These
estimates were generated from data taken at an existing StorQuest facility in Denver, CO.
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.
This project is not anticipated to have an impact on or be affected by the movement of
agricultural and forest products on roads or streets in the area.
h. Proposed measures to reduce or control transportation impacts, if any:
The project will not require any improvements to existing roads, streets, pedestrian, bicycle
or state transportation facilities. A request to waive improvement requirements on 16th Ave S
is submitted for this project, as no future access to 16th Ave S is proposed as part of this project.
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.
No increased need for public services is anticipated as a result of this project.
b. Proposed measures to reduce or control direct impacts on public services, if any.
No increased need for public services is anticipated as a result of this project.
16. Utilities
a. Circle utilities ciuYently available at the site:
electricity, natural gas, water, refuse service, telephone anitary sewe septic system,
other
Bulletin #050 — October 17, 2016 Page 12 of 15 k:\Handouts\Environmental Checklist
1
Department of Community Development
33325 8ch Avenue South
CITY of Federal Way, WA 98003-6325
Federal Way 253-835-2607; Fax 253-835-2609
trot tt .c itvu tl�tlzr>slt4ay..:i>>�
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.
The project proposes to connect to electricity (PSE) and water and sanitary sewer
(Lakehaven Utility District). A telecommunications connection will also be provided.
C. SIGNATURE
The above answers are true and complete to the best of my knowledge. I understand
that the lead agency is relying on them to make its decision.
Signature:
Name of Signee: S B 16rA (�t°r4 k0l(�
Position and Agency/Organization: ��JS�[r1�d Y ❑ a6 iAYI r; Nqy ix �h1q l�hc�
Date Submitted:
Bulletin #050 - October 17, 2016 Page 13 of 15 k:\Handouts\Environmental Checklist
TECHNICAL INFORMATION REPORT
SITE LOCATION
-77
f
PROJECT
SITE =
'•i i �' i; is ^• t n t'. �
Figure 1: Vicinity Map
Location: 29600 Pacific Hwy S in Federal Way, WA -
Section, Township, Range: SW 1/4, SEC. 4, TOWNSHIP 21N, RANGE 4E, W.M.
Parcel/Tax Lot: 0421049035
Size: Approximately 1.05 acres
City, County, State: Federal Way, King County, Washington
Governing Agency: City of Federal Way
NAVIX
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SUZANNE ANDERSON
US ARMY CORPS/ENGINEERS
ATTN REGULATORY BRANCH
PO BOX 3755
SEATTLE WA 98124
suzanne.l.anderson .usace.army.mil
EPT OF ECOLOGY
SEPA UNIT
PO BOX 47703
OLYMPIA WA 98504-7703
are inter ec .wa. ov
JACLYN FORD
DEPT OF AGRICULTURE
PO BOX 42560
OLYMPIA, WA 98504-2560
ford a r.wa. gov
PAZOOKI -RAMIN
r' WSDOT SOUTH KING COUNTY
t PO BOX 330310
i SEATTLE WA 98133-9710
DEPT OF ARCHAEOLOGY &
HISTORIC PRESERVATION
PO BOX 48343
OLYMPIA WA 98504-8343
retchen.kaehler dah .wa. av
LAURA ARBER (saltwater)
WDFW REGION 4 OFFICE
16018 MILL CREEK BLVD
MILL CREEK WA 98012-1296
laura.arber dfw.wa. ov
WASH ENVIRON COUNCIL
1402 3RD AVE STE 1400
SEATTLE WA 98101-2179
wec@wecprotects.orq
PSRC
GROWTH MANAGEMENT DEPT
1011 WESTERN AVE #500
SEATTLE WA 98104-1040
eharris(a.psrc.orq.
MdCKLES�T-INDIAN TRIBE
FISHERIES DIVISION
ENVIRONMENTAL REVIEWER
39015 172ND AVE SE
AUBURN WA 98092
KING COUNTY PARKS & REC
201 S JACKSON ST # 700
SEATTLE WA 98104
matthew.perkins@kingcounty.-clov
US FISH & WILDLIFE SERVCE
510 DESMOND DR SE #102
LACEY WA 98503
wfwoctap(c)-fws.gov
NATURAL RESOURCES CVN SVC
941 POWELL AVE SW STE 102
RENTON WA 98057-2115
REVIEW TEAM
WA DEPT OF COMMERCE
GROWTH MGT SERVICES
PO BOX 42525
OLYMPIA WA 98504-2525
reviewteam commerce.wa, ov
=SEPACENTER
TER504-7015a. ov
DEPT OF FISH AND WILDLIFE
PO BOX 43200
OLYMPIA WA 98504-3155
sepadesk(a)dfw. wa. q ov
LARRY FISHER (freshwater)
WDFW AREA HABITAT BIOLOGIST
1775 12T" AVE NW STE 201
ISSAQUAH WA 98027
larry.fisher@dfw.wa.gov
KELLY COOPER
DEPT OF HEALTH
ENVIRON HEALTH DIV
PO BOX 47820
OLYMPIA WA 98504-7820
kelly.cooper@doh.wa.gov
ATTN SEPA REVIEW
PUGET SOUND CLEAN AIR AGENCY
1904 3RD AVE STE 105
SEATTLE WA 98101-3317
sepa(ftscleanair. org
-1:A-ORA MURPHY
TRIBAL ARCHAEOLOGIST
MUCKLESHOOT INDIAN TRIBE
39015 172ND AVE SE
AUBURN WA 98092
laura.mur h muckleshoot. .us
.-KING CO TRANSPORTATION
201 S JACKSON ST KSC-TR-0815
SEATTLE WA 98104
haroid.tani uchi kin taunt . av
ENERGY FACILITY SITE
EVALUATION COUNCIL
1300 EVERGREEN PARK DRIVE
PO BOX 43172
OLYMPIA, WA 98504-3172
efsec utc.wa- ov
DEPT OF SOCIAL & HEALTH SVCS
LANDS AND BUILDING DIVISION
PO BOX 45848
OLYMPIA, WA 98504
hu ben bi (cb,dshs. wa. qov
Z. VVA ST DEPT TRANSPORTATION
PO BOX 47300
OLYMPIA WA 98504-7300
hgcustomerservice wsdot.wa.gov
WA NATURAL HERITAGE
DNR
PO BOX 47014
OLYMPIA WA 98504-7014
sepacenter@dn r.wa. gov
WASH STATE PARKS AND REC
PO BOX 42668
OLYMPIA WA 98504-2668
ranidy.kline@Darks.wa.gov
PUGET SOUND PARTNERSHIP
210 11T" AVE SW STE 401
OLYMPIA WA 98504-0900
info(aDpsp.wa.gov
MASTER BUILDERS ASSOC
335 116T" AVE SE
BELLEVUE WA 98004-6407
dhoffmanQmbaks.com
BRA DN ON REYNON
PUYALLUP TRIBE OF INDIANS
HISTORIC PRESERVATION DEPT
3009 E PORTLAND AVE
TACOMA WA 98404
DENNIS LEWARCH
THP OFFICE
SUQUAMISH TRIBE
18490 SUQUAMISH WAY
SUQUAMISH WA 98392
dlewarch su uamish.nsmus
KING CO ROADS DIVISION
COUNTY ROADS ENGINEER
155 MONROE AVE NE
RENTON WA 98056 f
maint.roads kin count . ov j
REGGIE HOLMES
KC BOUNDARY REVIEW BOARD
YESLER BUILDING, RM 240
400 YESLER WAY
SEATTLE WA 98104
re inald.holmes kin count . ov
DARRELL RODGERS
PUBLIC HEALTH SEATTLE/KING
401 FIFTH AVE STE 1100
SEATTLE WA 98104
darrell.rod ers kin count ov
BI=N HAN TRANSIT PLANNER
'KING COUNTY METRO
MS KSC-TR-0413
401 S JACKSON ST
SEATTLE WA 98104-3856
is iew kin count . ov
PIERCE COUNTY HEALTH DEPT
ENVIRONMENTAL HEALTH DIV
3629 S "D" ST
TACOMA WA 98408
info(o-)-tpchd.org
LEAGUE OF WOMEN VOTERS
OF SOUTH KING COUNTY
PO BOX 66037
BURIEN WA 98166
info seattlelwv.or
SAM PACE
SEA/KING CO ASSOC/REALTORS
29839 154T" AVE SE
KENT WA 98042-4557
sa m pace(cconcentric. net
SOLID WASTE DIV
KING CO DEPT OF NATURAL RES
201 S JACKSON ST STE 701
SEATTLE WA 98104-3855
kevi n. kiernan @ki ngcou nty..
'PERRY WEINBERG
SOUND TRANSIT
401 S JACKSON ST
SEATTLE WA 98104-2826
per ry. we i n be rq P-sgu n d tra n s i t. org
PORT OF TACOMA
ENVIRONMENTAL DEPT
PO BOX 1837
TACOMA WA 98401-1837
mordan ortoftacama-corn
PIERCE CO PLNG & LAND SVCS
2401 S 35T" ST #2
TACOMA WA 98409-7460
aclark@co.pierce-wa.us
POLLY DAIGLE
HIGHLINE WATER DISTRICT
23828 30T" AVE S
KENT WA 98032
pdaig[e(nh igh l inewater.org
SOUTH KING COUNTY
REGIONAL WATER ASSOCIATION
27224 144T" AVE SE
KENT WA 98042
oustomerservice@wdl 1 I.com
ECON DEV COUNCIL OF
SEATTLE & KING COUNTY
1301 5T" AVE STE 1500
SEATTLE WA 98101
info .edc-seakinp.ar_g
/GARY KRIEDT
KING COUNTY TRANSIT DIV
ENV PLANNING MS KSC-TR-0431
201 S JACKSON ST
SEATTLE WA 98104-3856
gary.kriedt king county. ov
TINA VASLET
PIERCE TRANSIT
PO BOX 99070 j
LAKEWOOD WA 98496-0070 ='
tvaslet( piercetransit.org
PIERCE CO PW & UTILITIES
2702 S 42ND ST STE 628
TACOMA WA 98409
bz i ca to goo. -pi e rce. wa. u s
MIDWAY SEWER DISTRICT
PO BOX 3487
KENT WA 98032
ken@midwaysewer.org
EARTHCORPS
FRIENDS OF THE HYLEBOS
6310 NE 74T" ST STE 201 E
SEATTLE, WA 98115
info earthcor s.or
EPA I❑ KORTHALS �- KC DEPT OF ASSESSMENTS
ENVIRONMENTAL REVIEW SEC METRO TRANSIT 500 4T" AVE RM 700
1200 6TH AVE MD-126 C201 S JACKSON ST KSC-TR-0413 #ADM-AS-0708
SEATTLE WA 98101 SEATTLE WA 98104-3856 SEATTLE WA 98104
e a-seattle a a. ov David.Korthals{rr7.kin-gcounty.go assessor.infoC kingcountv.gov
KRISTI KYLE
PSE REGIONAL STRUCTURE
PO BOX 97034
BELLEVUE WA 98009-9734
kristina.k le se.com
SOUTH KING FIRE & RESCUE
31617 1 ST AVE S
FEDERAL WAY WA 98003
chr_ is.cahanOsapthkinfire_arg
ANYA N C—IME-NTQ
1 FWPS
33330 8T" AVE S
FEDERAL WAY WA 98003
tan a-nascimenta fw s.or
ATTN NEWSROOM
TACOMA NEWS TRIBUNE
1950 S STATE ST
TACOMA WA 98405
n ewsti ps Ca. th e n ews tr i bu n e. com
FW CHAMBER OF COMMERCE
1 PO BOX 3440
FEDERAL WAY WA 98063
rma rtingfederalwaycha m ber.com
RYAN FLYNN
TACOMA WATER DIVISION
PO BOX 11007
TACOMA WA 98411
rfiynn(c),ci.tacoma-wa.ris
FEDERAL WAY MIRROR
31919 1 ST AVE S STE 101
FEDERAL WAY WA 98003
editor federalwa mirror.com
Cbasburvajakehaven.ong
ASBURY
AVEN UTILITY DIST
X 4249
AL WAY WA 98063
TERRY LUKENS
BELLEVUE COUNCIL OFFICE
PO BOX 90012
BELLEVUE WA 98009-9012
council bellevuewa. ov
CITY OF TACOMA CITY OF AUBURN NE TAC NEIGHBORHOOD COUNCIL
747 MARKET ST 25 W MAIN ST 747 MARKET ST RM 900
TACOMA WA 98402-3769 AUBURN WA 98001 TACOMA WA 98402-3793
shiriey.schultz.(o-)ci.tecoma.wa.us ksn der auburnwa. ov
CITY OF PACIFIC
BUILDING & PLANNING
100 THIRD AVE SE
PACIFIC WA 98047
id_ odge_@ci.pacific.wa.us
CITY OF LAKEWOOD
10510 GRAVELLY LK DR SW STE 206
LAKEWOOD WA 98499-5013
info(cDcitvoflakewood. us
f CITY OF DES MOINES
21630 11T" AVE S
DES MOINES WA 98198
dlathrop@desmoineswa.gov
CITY OF SEATAC
4800 S 188T" ST
SEATAC WA 98188
dmccluno .ci.seatac.wa.us
HOLLY WILLIAMSON
OLYMPIC PIPELINE CO
2319 LIND AVE SW
RENTON WA 98055
hol Iy. wil I iamson(Q)bp.com
JAMES IRISH
SOUND TRANSIT
fames. i rish C3_sou ndtransit _org
OSP ENGINEERING WA/OR/N. ID
AT&T CABLE MAINTENANCE
11241 WILLOWS RD NE STE 130
REDMOND WA 98052-1009
JERRY STEELE
COMCAST CABLE COMM
4020 AUBURN WAY N
AUBURN WA 98002-1315
ALGONA CITY HALL
402 WARDE ST
ALGONA WA 98001-8505
kenf@afqonawa.gov
CITY OF KENT
ECON & COMMUNITY DEV
400 W GOWE ST STE 300
KENT WA 98032
tannin kentwa. ov
CITY OF NORMANDY PARK
801 SW 174T" ST
NORMANDY PARK WA 98166
davidn gd. normandv-park.wa. us
SUE TIMM
CITY OF MILTON
1000 LAUREL ST
MILTON WA 98354
stimm a56tyofmilton.net
CITY OF BURIEN
415 SW 150T" ST
BURIEN WA 98166-1957
chiad@burienwa.gov_
CITY OF EDGEWOOD
2224 104T" AVE E
EDGEWOOD WA 98372-1513
cityhalI&mtyofgd e�d.orq
STEVE FRIDDLE
CITY OF FIFE
5411 23RD STE
FIFE WA 98424
sfriddle __cityoffife.org
WATER DISTRICT #54
922 S 219TH ST
DES MOINES WA 98198-6392
eric. clarke@kcwd54. org
L2331--ASON TESDAL 1 PORT OF SEATTLE--airport
5
RY LINK COMMUNICATIONS PO BOX 1209
6T" AVE S SEATTLE WA 98111
A 98032 rybolt.s ,portseattle.org
sdal ,_centurylink,com
i KENT HALE
SOUND TRANSIT
kent.hale(d}soundtransit.or
LAND USE SVC KCDDES
35030 SE DOUGLAS ST # 210
SNOQUALMIE, WA 98065-9266
BPA TER 3
28401 COVINGTON WAY SE
KENT WA 98042
MIKE BULZOMI
SOUND TRANSIT
mike.bulzami soundtransit.or
KC WASTEWATER TREATMENT
ENVIRONMENTAL PLN OAP
MS KSC-NR-0505
201 S JACKSON ST
SEATTLE WA 98104-3855
MICHAEL FELDMAN
AVIATION PLANNING SEATAC
PO BOX 68727
SEATTLE WA 98168-0727
COVINGTON WATER DISTRICT WA DEPT OF NATURAL RESOURCES
18631 SE 300T" PL PO BOX 47015 Updated March 2, 2017
KENT WA 98042-9208 OLYMPIA WA 98504
Tamara Fix
From:
Tamara Fix
Sent:
Friday, March 17, 2017 10:50 AM
To:
'separegister@ecy.wa.gov'; 'ramin.pazooki@wsdot.wa.gov';
'gretchen.kaehler@dahp.wa.gov'; karen.walter@muckleshoot.nsn.us;
'sepacenter@dnr.wa.gov'; 'laura.murphy@muckleshoot.nsn.us';
harold.taniguchi@kingcounty.gov; hqcustomerservice@wsdot.wa.gov;
'brandon.reynon@puyalluptribe.com'; dlewarch@suquamish.nsn.us;
'maint.roads@kingcounty.gov'; plansreview@kingcounty.gov; Chris Cahan; 'tanya-
nascimento@fwps.org'; 'perry.weinberg@soundtransit.org';
'david.korthals@kingcounty.gov'; 'gary.kriedt@kingcounty.gov';
'tvaslet@piercetransit.org'; editor@federalwaymirror.com; 'basbury@lakehaven.org';
dlathrop@desmoineswa.gov; 'planning@kentwa.gov'; jason.tesdal@centurylink.com';
'kent.hale@soundtransit.org'
Subject:
Storquest Self -Storage NOA & Opt DNS
Attachments:
20170317103830.pdf
Attached are documents regarding the above -mentioned SEPA documents. Please contact Planner Jim Harris,
'im.harris cit ofFederalwa .com, with any comments or questions.
Tamara Fix
Administrative Assistant
Federal Warr
33325 8th Avenue South
Federal Way, WA 98003-6325
Phone:253/835-2602 Fax: 253/835-2609
www,citvoffederalway.com
41k
CITY
Federalo.
Way
DEPARTMENT OF COMMUNITY DEVELOPMENT
33325 8th Avenue South
Federal Way WA 98003-6325
253-835-7000; Fax 253-835-2609
www. C i tyOff ecterO I WpY.COM
DECLARATION OF DISTRIBUTION
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)
kil
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 ❑ mailed ❑ faxed ❑ e-mailed and/or m'pasfed to or at each of the attached addresses on
312
2017.
Project Name C-15-f �l
File Number(s) 06 "-0-0 (') c —I,'-,
Signature
A
S� JbreL�
Date
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 It Way South
Federal Way 320'h Branch Library - 848 South 3201h Street
Subject Site - {) I (i (C) S `
K:\PLANNING INTERN\Declaration of Distribution notices\Declaration of Distribution with Posting Sites,doc
41k
CITY OF
Federal Way
NOTICE OF MASTER LAND USE APPLICATION AND
OPTIONAL DETERMINATION OF NONSIGNIFICANCE (DNS)
Project Name: Storquest Self -Storage
Project Description: Proposed construction of a new 4-
story enclosed self -storage facility with approximately
100,000 square feet of gross floor area, and associated site
work.
Applicant Agent: Navix Engineering, Jenelle Taflin,
11400 SE 8th Street, Suite 345, Bellevue, WA 98004
Project Location: 29600 Pacific Highway South, Federal
Way, WA, Parcel #042104-9035
Date Application Received: February 16, 2017
Date Determined Complete: March 15, 2017
Date of Notice of Application: March 17, 2017
Public Comments Due: April 3, 2017
Environmental Review: Based upon review of a completed environmental checklist and other
information on file with the City, it is likely that the City of Federal Way will determine that the project
will not have a probable significant adverse impact on the environment and expects to issue a
Determination of Nonsignificance (DNS) for this project. The optional DNS process in WAC 197-11-355
is being used. This may be your only opportunity to comment on the environmental impacts of the
proposed project. The proposal may include mitigation measures under applicable codes, and the review
process may incorporate or require mitigation measures regardless of whether an environmental impact
statement (EIS) is prepared. A copy of the subsequent threshold determination for the specific proposal
may be obtained upon request.
Agencies, tribes, and the public are encouraged to review and comment on the proposed project and its
probable environmental impacts. Comments must be submitted by the date noted above.
Permits/Files Under Review: Use Process III (File #17-100640-UP) issued by the Director of
Community Development pursuant to Federal Way Revised Code (FWRC) Chapter 19.65. Additional
permits and/or approvals include a threshold determination pursuant to State Environmental Policy Act
(SEPA) Rules WAC 197-11 (File #17-100641-00-SE) and Transportation Concurrency Review (File #17-
100644-00-CN).
Environmental Documents & Required Studies: Environmental Checklist, Geotechnical Report and
Technical Information Report.
Development Regulations Used for Project Mitigation: Federal Way Revised Code 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 F WRC, 2016 King County Surface
rY ater DCs6g/l 1V a%l LLal as amended by the City of rederai Way, and tiie Public `W orks Department
Development Standards.
Public Comment & Appeals: Any person may submit written comments regarding the land use
a �r:::•at:(�,n .�,r the en virolil'iieitai ' nr� n rLie r+ 1 rn ti c i „-e nrn,- r C 1r.. ev--iL-- --- i-...
i Li paVL VL L sa LV 1LV L11 lJlJLV1 0l 1i V111111Un1L� LV VI.I VLVllll LIL V�
5:00 p.m. on April 3, 2017. Only persons who submit written comments to the Director (address below)
or specifically request a copy of the decision, may appeal the decision. However, any interested party may
appeal the environmental threshold determination.
Issuance of Final Environmental Determination. The final_ DNS may be issued without a second
comment period, unless timely comments identify probable significant adverse impacts that were not
considered by the Notice of Optional DNS. A copy of the DNS may be obtained upon request.
Availabilityif File: The official project files, existing environmental documents and required studies are
available for"pujeic review An normal business hours at the Department of Community Development,
33325 8"' Avenue South, Federal Way, WA 98003.
Staff Contact: Planner Jim Harris, 253-835-2652 or jim.harris@cityoffederalway.com
Printed in the jedap l Way Mirror March 17 O17.
i
- � CITY OF
Federal Way
March 15, 2017
Jon Suddarth
William Warren Group
5200 East Evans Avenue
Denver, CO 80222
jsuddarth@williamwarren.com
FctLtE
33325 8th Avenue South
Federal Way, WA 98003-6325
(253) 835-7000
www. cityoffederalway.. com
Jim Ferrell, Mayor
RE: File No's. 17-100640-00-UP & 17-100641-00-SE; LETTER OF COMPLETE APPLICATION
Storquest Federal Way, 29600 Pacific Highway South, Federal Way, WA
Dear Mr. Suddarth:
The Community Development Department is in receipt of your February 16, 2017, Process III and State
Environmental Policy Act (SEPA) Master Land Use (MLU) application. Your proposed project includes
constriction of a new four-story fully enclosed self -storage facility with approximately 100,000 gross
square feet of building area, with associated site improvements on a vacant property. Pursuant to Federal
Way Revised Code (FWRC) 19.15.045, within 28 days of receiving an MLU application, the city shall
determine whether all infonnation and documentation required for a complete application has been
submitted.
NOTICE OF COMPLETE APPLICATION
Please consider this correspondence a Notice of Complete Application. Pursuant to Federal Way Revised
Code (FWRC) 19.15.045 and 14.10.020, the application is deemed complete as of March 15, 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 determine
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 infonnation 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.
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 Afirror, and mailed to the
persons within 300 feet of each boundary of the subject property within 14 days of this letter.
i\,Ir. Suddarth
March 16, 2017
Page 2
CLOSING
If you have any questions regarding this letter or your development project, please contact me by email at
jiIll. Inrris:ibcitvof ederalwav,corn, or by phone at 253-835-2652.
Sincerely,
arris
Planner
c: Navix Engineering Inc.. Jenelle Taflin, PE, 11400 SE 8"' Street, Suite 345. Bellevue, WA 98004, jtatlin c navixeng.com
Kevin Peterson. Engineering Plans Reviewer
Erik Preston, Senior Traffic Engineer
Brian Asbury, Lakehaven Water & Sewer
17-100640-00-UP Doc I D 75;3
Jim Harris
From: Jim Harris
Sent: Thursday, March 16, 2017 3:42 PM
To: 'Steve Siebert'
Subject: RE: Geotech report review
Attachments: 20170316153655.pdf
Steve: Ok here is the executed task authorization.
You are hereby authorized to conduct this work.
We look forward to receiving your review. Let me know if you have any questions or ned any more information.
Jim Harris
Planner
Federal Way
33325 8th Avenue South
Federal Way, WA 98003-6325
Phone:253/835-2652 Fax: 253/835-2609
www.cityoffede ra I way. corn
Office Hours Mon - Thur, 8:00 AM — 3:30 PM or by appointment
From: Steve Siebert [mailto:ssiebert@aesgeo.com]
Sent: Wednesday, March 15, 2017 4:11 PM
To: Jim Harris
Subject: RE: Geotech report review
Here you go.
Stephen A. Siebert, P.E. j Associate Geotechnical Engineer
s s o c i a t o
ea rt h science
ssiebert aes eo.com www.aes9e0.c0rn
Associated Earth Sciences, Inc.
911 5th Avenue I Kirkland, Washington 98033
O 1 425-827-7701 F 1 425-827-5424 C 1 425-786-3612
This email and any files transmitted with it ore confidential and intended solely for the use of the individual or entity to whom they are addressed. Please notify the
sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. If you are not the intended recipient you are notified
that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.
From: Jim Harris [mailto.Jim.Harris cit ❑ffederalwa .com]
Sent: Wednesday, March 15, 2017 3:24 PM
To: Steve Siebert <ssiebertaes eo.,_m>
Subject: RE: Geotech report review
Steve, please scan and email me back the task authorization with $2,500.00 written in on the cost, and your signature
on page 2, and I will get this back to you signed, as the applicant will be funding this review in the next day or two and I
can get you guys authorized very shortly.
Also, I have received an addendum to the report that addresses the main Planning Division issue about reduction of the
code required 50 foot setback from top and toe of slope, so I will forward that email to you momentarily.
Do you also want me to US mail you the addendum?
Jim Harris
Planner
=-.deral Way
33325 8th Avenue South
Federal Way, WA 98003-6325
Phone:253/835-2652 Fax: 253/835-2609
www.citvoffederalway.com
Office Hours Mon - Thur, 8:00 AM — 3:30 PM or by appointment
From: Steve Siebert [mai1to:ssiebert0aesaeo.c9_ml
Sent: Tuesday, March 07, 2017 3:00 PM
To: Jim Harris
Subject: RE: Geotech report review
Hi Jim,
Happy to help on this. We typically request a T&M not to exceed budget of $2,500 to cover report review and
preparation of a review letter with comments.
Thanks,
Steve
Stephen A. Siebert, P.E. E Associate Geotechnical Engineer
a S s o c S a t
earth sciences
ssiebertaes eo.com www.aesgeo.com
Associated Earth Sciences, Inc.
911 5t" Avenue I Kirkland, Washington 98033
O 1 425-827-7701 F 1 425-827-5424 C 1 425-786-3612
This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. Please notify the
sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. !f you are not the intended recipient you are notified
that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.
From; Jim Harris mailto:Jim.Harris ci ofFederalwa .comj
Sent: Tuesday, March 07, 2017 2:29 PM
To: Steve Siebert <ssiebert aesgeo.com>
Subject: Geotech report review
Steve: I am sending by US mail a Terracon geotech engineering report for a site on Pacific Highway South in Federal
Way. A self -storage facility is proposed on the site and the site has a steep slope — Erosion Hazard Area as defined in the
FWRC.
We need you to do a peer review on this report.
The primary issue and question I need you to review and determine if it meets FWRC 19.145.220. However, a problem
is that the current report by Terracon does not address FWRC 19.145.220(3). As you will see on the preliminary site
plan, the building is proposed with zero setback from the toe of the steep slope area.
I have asked the applicant to have Terracon provide an addendum to their report, specifically addressing FWRC
19.145.2220(3), and I expect to see that addendum in the next week or two.
So at this time, I would like you to prepare a cost estimate for your review, and provide that estimate to me so we can
get the ball rolling on the funding aspect. I expect the forthcoming addendum from Terracon to be fairly brief. I will get
you the addendum as soon as I receive it.
Let me know if you have any questions, and we look forward to receiving your review cost estimate.
19.145.220 Applicability and designation. 0 SHAPE
(1) This article regulates development activities on or within 50 feet of a geologically hazardous area.
(2) Geologically hazardous areas include areas susceptible to erosion, land sliding, seismic, or other geological
events. Areas susceptible to one or more of the following types of hazards shall be designated as geologically
hazardous areas:
(a) Landslide hazard;
(b) Erosion hazard; and
(c) Seismic hazard.
(3) The director may permit development activities on or within 50 feet of a geologically hazardous area if the
development will not be at risk of damage due to the geologic hazard and will not lead to or create any
increased slide, seismic or erosion hazard.
Jim Harris
Planner
A{ FY us
Federal Way
33325 8th Avenue South
Federal Way, WA 98003-6325
Phone:253/835-2652 Fax: 253/835-2609
www.citvoffederalway.com
Office Hours Mon - Thur, 8:00 AM — 3:30 PM or by appointment
i
CITY op
Federal Way
GIFIA CONS ULTAi'N'N A[J"I'lO1 RATION I�ORNq Date:
March 7, 2017
Consultant:
AES I
Steve Siebert
911 5d, Averme
Kirklancf, IVA 080.3;
(425) 827-7701
ssi ebert@aesgect.cam
Project;
Geotechnical Engineering Report_ Storclrtest Federal Way, WA, by
Terracan Consultants lrrc. January 11, 2017
Location:
29600 pacific l Irghway Sorith, Feder,
bVA, Kind County parcel
0421049035 l Way,
City .File No.:
17-100640-00-Up
Applicant Contact; Je►relle T'aflin, PE Nav ix Engineering
fi7ext 1511 navixer
City Staff Contact. JimFIarris,Planner - -��&
cerai� 425_453 -950]
Documents .,Jim.harris@cityorteclrlway.com
Pro►'ideal:
' Geotechnical Engittecritt l .12e Or't
Terracan Consultants Inc, januar,, 1Sta0
st 1'4tleial 4VaY, WA, by
° Preliminary )✓nginczring flan Set by Navix dated received 2116/17
Task Scupv:
• Verily plans f0l' compliance with 1'ZVRC 1 c
l'cdarction of jn foot setback i'rUrtt top and toe 1o1 �t0 percent slope.
�v1ti(:l) allows
• Coruluct silo visit RS necessary,
° Provide wrillen t'f`Slt(711SC fU lrndllt �S
�rdditia+tal irtli�r m;ltit7rt li•Utn a €� , recntnntcndatic>ns, and request
• Possible tneeri�t� �.. PPlicanf ifneeded.
rtlt Fl pheant s engineer if Mccessary
° kevictw a�f•restrlantittetl,ecrrrectecl clacultrertts as nei'clecl.
Task Sclrecltrlc;
Provide task cost estitt=nte ASAP.
Review w
0Gtltor•i7.ed in ►t%ritin=1))City. ut , ork is nautitorized until
�;
T•rtslc Cost;
Not to exceed S� -
�Itrthoriztatu.>rt'
-'1- without a prior written amendment tO
this Task
w
Storquest GRA Review 17- 0071 1 UP page 2
Acceptance:
(Cite Stti, —_
Date
3-rG-��
[kite
Date
1p
3//, /7
CITY OF FEDERAL WAY
COMMUNITY DEVELOPMENT DEPARTMENT
DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL
DATE: February 23, 2017
TO: Cole Elliott, Development Services Manager
Rick Perez, City Traffic Engineer
Peter Lawrence, Plans Examiner
Brian Asbury, Lakehaven Water & Sewer District
Chris Cahan, South King Fire & Rescue
Lindsey Sperry, Public Safety Officer
Rob Van Orsow, Solid Waste/Recycling Coordinator
FROM: Jim Harris
253 835 2652 jim.harris@cityoffederalway.com
FOR DRC MTG. ON: March 9, 2017
FILE NIJMSER(S) : 17-100640-00-UP
RELATED FILE NOS.: None
PROJECT NAME: STORQUEST FEDERAL WAY
PROJECT ADDRESS: 29600 PACIFIC HWY S
ZONING DISTRICT: BC
PROJECT DESCRIPTION: Proposal to construct a 3-story over basement self -
storage facility with approximately 101,950 square
feet gross floor area, including a leasing office and
associated site improvements
LAND USE PERMITS: SEPA and Process III
PROJECT CONTACT:
JENELLE TAFLIN - Navix Engineers
MATERIALS SUBMITTED: Civil Site plan and preliminary engineering plans
Architectural site plan and prelim elevations
SEPA checklist
Stormwater TIR
Independent Transportation Impact Fee Calculation
Geotech Report
Geotech Report Addendum Prel Stormwater Infiltration
Title Report
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The inform ii4on Included on his map has bean compled ty King County stalf from a warie" souroft end iswC]ecl
16 4M
to change wthmt no2b. King County makes no representations or warranu as, express or imp, ad.
as to a.,xvFacy, compielanami• firrinfiria3z, or rights to the undr of sue h T h a cceument is not I nwrided 1M King County
tr use as a t. uivey product. rjrrg Catin"Ndl not be liatil o (if any garierzi. Special, helFeo, IneidiftnLal, or
consequential damages including, but not lirrited to, lost revenues or lost proft resulting from theuse or misuse
of the Inkmaton contained onthis map. Any sale of inon s map or information on this map 6 except eept by GIS CENTER
writen permission of King County.
Date: 1/23/2017
CITY OF FEDERAL WAY
COMMUNITY DEVELOPMENT DEPARTMENT
DEVELOPMENT REVIEW COMMITTEE TRANSMITTAL
DATE: February 23, 2017
TO: Cole Elliott, Development Services Manager
Rick Perez, City Traffic Engineer
Peter Lawrence, Plans Examiner
Brian Asbury, Lakehaven Water & Sewer District
Chris Cahan, South King Fire & Rescue
Lindsey Sperry, Public Safety Officer
Rob Van Orsow, Solid Waste/Recycling Coordinator
FROM: Jim Harris
253 835 2652 jim.harris@cityoffederalway.com
FOR DRC MTG. ON: March 9, 2017
FILE NUMBER(s): 17-100640-00-UP
RELATED FILE NOS.: None
PROJECT NAME: STORQUEST FEDERAL WAY
PROJECT ADDRESS: 29600 PACIFIC HWY S
ZONING DISTRICT: BC
PROJECT DESCRIPTION: Proposal to construct a 3-story over basement self -
storage facility with approximately 101,950 square
feet gross floor area, including a leasing office and
associated site improvements
LAND USE PERMITS:
PROJECT CONTACT:
SEPA and Process III
JENELLE TAFLIN - Navix Engineers
MATERIALS SUBMITTED: Civil Site plan and preliminary engineering plans
Architectural site plan and prelim elevations
SEPA checklist-
Stormwater TIR
Independent Transportation Impact Fee Calculation
Geotech Report
Geotech Report Addendum Prel Stormwater Infiltration
Title Report
Ak
CITY OF
Federal
APPLICATION NO(s)
Project Name
Way
StorQuest Federal Way
;�'� r 1'�� jD MASTER LAND USE APPLICATION
�y'� 'T DEPARTMENT OF COMMUNITY DEVELOPMENT
33325 81" Avenue South
Federal Way, WA 98003-6325
253-835-2607; Fax 253-835-2609
aY www.cityoffedetalway.cotn
C-0s
Property Address/Location 29600 Pacific Highway South, Federal Way, WA 98003
Parcel Number(s)
Project Description
PLEASE PRINT
0421049035
2/16/2017
A single, 3-story + basement (4 levels total), fully enclosed self -storage facility with roughly 100,000
gross SF of total building area and a building footprint of roughly 25,600 SF
Type of Permit Required
Annexation
Binding Site Plan
Boundary Line Adjustment
Comp Plan/Rezone
Land Surface Modification
Lot Line Elimination
Preapplication Conference
Process I (Director's Approval)
Process II (Site Plan Review)
X Process III (Project Approval)
Process IV (Hearing Examiner's Decision)
Process V (Quasi -Judicial Rezone)
Process VI
X SEPA w/Project
SEPA Only
Shoreline: Variance/Conditional Use
Short Subdivision
Subdivision
Variance: Commercial/Residential
Required Information
BC (Community Business) Zoning Designation
Corn. Business Comprehensive Plan Designation
Value of Existing Improvements
Value of Proposed Improvements
International Building Code (IBC):
S-2 Occupancy Type
11-B Construction Type
Applicant
Name: Jenelle Taflin, PE
Address: 11400 SE 8th Street, Suite 345
City/State: Bellevue, WA
Zip: 98004
Phone: 425-453-9501 x1511
Fax:
Email: jtaflin@navixeng.com
Signature:
Agent (if different than Applicant)
Name:
Address:
City/State:
Zip:
Phone:
Fax:
Email:
Signature:
Owner
Name: William Warren Group (Jon Suddarth)
Address: 5200 East Evans Ave
City/State: Denver, CO
Zip: 80222
Phone: 303-842-5690
Fax:
Email: juddarth@williamwarren.com
Signature: i° r
Bulletin #003 — January 1, 2011 Page 1 of 1 ic:\Handouts\ivlaster Land Use Application
ALTA COMMITMENT FOR TITLE INSURANCE
Issued By agent:
CHICAGO TITLE
COMPANY OF WASHINGTON
1<tCEI@iE
FEB 16 zon
CITY OF FEDERAL WAY
CDS
Commitment Number:
0078887-06
CHICAGO TITLE INSURANCE COMPANY, a Nebraska corporation ("Company"), for a valuable consideration, commits to
issue its policy or policies of title insurance, as identified in Schedule A, in favor of the Proposed Insured named in
Schedule A, as owner or mortgagee of the estate or interest in the land described or referred to in Schedule A, upon
payment of the premiums and charges and compliance with the Requirements; all subject to the provisions of Schedules A
and B and to the Conditions of this Commitment.
This Commitment shall be effective only when the identity of the Proposed Insured and the amount of the policy or policies
committed for have been inserted in Schedule A by the Company.
All liability and obligation under this Commitment shall cease and terminate six (6) months after the Effective Date or when
the policy or policies committed for shall issue, whichever first occurs, provided that the failure to issue the policy or
policies is not the fault of the Company.
The Company will provide a sample of the policy form upon request.
This Commitment shall not be valid or binding until countersigned by a validating officer or authorized signatory.
IN WITNESS WHEREOF, CHICAGO TITLE INSURANCE COMPANY has caused its corporate name and seal to be
affixed by its duly authorized officers on the date shown in Schedule A.
Countersigned By: J,�rrr.
AP
Id"
�r
Authorized Officer or Agent
Chicago Title Insurance Company
By:
Attest:
t,reslaem
Secretary
AM ERICAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ASSOCIATION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment (06/17/2006) Printed: 09.20.16 @ 07:13 AM
Page 1 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
CHICAGO TITLE COMPANY OF WASHINGTON
COMMITMENT NO.0078887-06
ISSUING OFFICE: FOR SETTLEMENT INQUIRIES, CONTACT:
Title Officer: Commercial / Unit 6
Escrow Officer: Lorrie Thompson
Chicago Title Company of Washington
Chicago Title
701 5th Avenue, Suite 2700
3002 Colby Avenue, Suite 200
Seattle, WA 98104
Everett, WA 98201
Main Phone: (206)628-5610
Phone: (425)745-2206
Email: CTISeaTitleUnit6@ctt.com
Main Phone: (425)258-3683
Email: lorrie.thompson@ctt.com
Escrow No.: 500047010
SCHEDULE A
ORDER NO. 0078887-06
1. Effective Date: September 7, 2016 at 08:00 AM
2. Policy or (Policies) to be issued:
a. ALTA Owner's Policy 2006
Proposed Insured: William Warren Properties, Inc., a California corporation
Policy Amount: $599,000.00
Premium: $ 2,426.00
Tax: $ 232.90
Rate: Extended
Total: $ 2,658.90
3. The estate or interest in the land described or referred to in this Commitment is:
Fee Simple
4. Title to the estate or interest in the land is at the Effective Date vested in:
Donald F. S adoni and Judy A. S adoni also a earin of record as Judith Ann S adoni husband and wife
5. The land referred to in this Commitment is described as follows:
SEE EXHIBIT "A" ATTACHED HERETO AND MADE A PART HEREOF
END OF SCHEDULE A
AMERICAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ASSOCIATION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment (06117/2006) Printed: 09.20.16 @ 07:13 AM
Page 2 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
EXHIBIT "A"
Legal Description
Lot 1, City of Federal Way Boundary Line Adjustment No. BLA 93-0014, recorded under recording no.
9512139004, in King County, Washington;
Except the East 6.50 feet thereof, condemned pursuant to judgment and decree of appropriation entered
in King County Superior Court Cause No. 06-2-01388-3 KNT, recorded under recording no.
20061003000440,
AME$ICAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ufncuinnk
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment (0611712006) Printed: 09.20.16 Q 07:13 AM
Page 3 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
CHICAGO TITLE COMPANY OF WASHINGTON
COMMITMENT NO. 0078887-06
SCHEDULE B
Schedule B of the policy or policies to be issued will contain exceptions to the following matters unless the same are
disposed of to the satisfaction of the Company:
GENERAL EXCEPTIONS
A. Rights or claims of parties in possession, or claiming possession, not shown by the Public Records.
B. Any encroachment, encumbrance, violation, variation, or adverse circumstance affecting the Title that would be
disclosed by an accurate and complete land survey of the Land.
C. Easements, prescriptive rights, rights -of -way, liens or encumbrances, or claims thereof, not shown by the
Public Records.
D. Any lien, or right to a lien, for contributions to employee benefit funds, or for state workers' compensation, or
for services, labor, or material heretofore or hereafter furnished, all as imposed by law, and not shown by the
Public Records.
E. Taxes or special assessments which are not yet payable or which are not shown as existing liens by the Public
Records.
F. Any lien for service, installation, connection, maintenance, tap, capacity, or construction or similar charges for
sewer, water, electricity, natural gas or other utilities, or for garbage collection and disposal not shown by the
Public Records.
G. Unpatented mining claims, and all rights relating thereto.
H. Reservations and exceptions in United States Patents or in Acts authorizing the issuance thereof.
I. Indian tribal codes or regulations, Indian treaty or aboriginal rights, including easements or equitable servitudes.
J. Water rights, claims or title to water.
K. Defects, liens, encumbrances, adverse claims or other matters, if any, created, first appearing in the Public
Records, or attaching subsequent to the effective date hereof but prior to the date the proposed Insured acquires
of record for value the estate or interest or mortgage thereon covered by this Commitment.
AMEAICAN
Copyright American Land Title Association. All rights reserved. 1AN0 TITER
A�w[,.ripw
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use. All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment (W1712006) Printed: 09.20.16 @ 07:13 AM
Page 4 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
CHICAGO TITLE COMPANY OF WASHINGTON
COMMITMENT NO. 0078887-06
SCHEDULE B
(continued)
SPECIAL EXCEPTIONS
Easement(s) for the purpose(s) shown below and rights incidental thereto, as granted in a document:
Granted to: The Pacific Telephone and Telegraph Company
Purpose: Transmission and distribution line
Recording Date: October 24, 1944
Recording No.: 3423750
Affects: The description contained therein is not sufficient to determine its exact location within the
property herein described.
2. Easement(s) for the purpose(s) shown below and rights incidental thereto, as granted in a document:
Granted to: Lakehaven Sewer District, a municipal corporation
Purpose: Temporary use during construction of sewers and appurtenances
Recording Date: March 21, 1978
Recording No.: 7803210,893
Affects: An Easterly portion of said premises and other property
3. Easement(s) for the purpose(s) shown below and rights incidental thereto, as granted in a document:
Granted to: Lakehaven Sewer District, a municipal corporation
Purpose: Temporary use during construction of sewers and appurtenances
Recording Date: March 21, 1978
Recordin No.: 7803210894
Affects: An Easterly portion of said premises and other property
4. Agreement and the terms and conditions thereof:
Between: Tae Won Kwon
And: King County Water District No. 124, a municipal corporation
Recording Date: July 13, 1981
Recording No.: 8107130498
Regarding: Construction of water mains and appurtenances and payment of costs related thereto
5. Covenants, conditions, restrictions, recitals, reservations, easements, easement provisions, dedications, building
setback lines, notes, statements, and other matters, if any, but omitting any covenants or restrictions, if any,
including but not limited to those based upon race, color, religion, sex, sexual orientation, familial status, marital
status, disability, handicap, national origin, ancestry, or source of income, as set forth in applicable state or federal
laws, except to the extent that said covenant or restriction is permitted by applicable law, as set forth on King
County Short Plat No. 980099:
Recording No: 8109150548
0�
AMERICAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ASSOCIATION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment (06/17/2006)
Printed: 09.20.16 @ 07:13 AM
Page 5 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
CHICAGO TITLE COMPANY OF WASHINGTON COMMITMENT NO. 0078887-06
SCHEDULE B
(continued)
6. Covenants, conditions, restrictions, recitals, reservations, easements, easement provisions, dedications, building
setback lines, notes, statements, and other matters, if any, but omitting any covenants or restrictions, if any,
including but not limited to those based upon race, color, religion, sex, sexual orientation, familial status, marital
status, disability, handicap, national origin, ancestry, or source of income, as set forth in applicable state or federal
laws, except to the extent that said covenant or restriction is permitted by applicable law, as set forth on King
County Lot Line Adjustment No. 8609014:
Recordin No: 8704221660
7. Covenants, conditions, restrictions, recitals, reservations, easements, easement provisions, dedications, building
setback lines, notes, statements, and other matters, if any, but omitting any covenants or restrictions, if any,
including but not limited to those based upon race, color, religion, sex, sexual orientation, familial status, marital
status, disability, handicap, national origin, ancestry, or source of income, as set forth in applicable state or federal
laws, except to the extent that said covenant or restriction is permitted by applicable law, as set forth on City of
Federal Way Boundary Line Adjustment No. BLA 93-0014:
Recording No: 9512139004
8. Terms and conditions of notice of charges by water, sewer and/or storm and surface water utilities, recorded
under recording no. 8905120210.
Liability for Sewer Treatment Capacity Charges, if any, affecting certain areas of King, Pierce and Snohomish
Counties. Said charges could apply to property connecting to the metropolitan sewerage facilities or reconnecting
or changing its use and/or structure after February 1, 1990.
Please contact the King County Wastewater Treatment Division, Capacity Charge Program, for further information
at 206-296-1450 or Fax No. 206-263-6823 or email at Car3ChargeEscrow(�r7kingcounty.qov.
A map showing sewer service area boundaries and incorporated areas can be found at:
http:/iyour.kinqcoun!y.gov/ftg/gisANeb/VMC/utilities/servarea cities.pdf
Unrecorded Sewer Capacity Charges are not a lien on title to the Land.
NOTE: This exception will not appear in the policy to be issued.
10. Payment of the real estate excise tax, if required.
The Land is situated within the boundaries of local taxing authority of City of Federal Way.
Present rate of real estate excise tax as of the date herein is 1.78 percent.
Any conveyance document must be accompanied by the official Washington State Excise Tax Affidavit. The
applicable excise tax must be paid and the affidavit approved at the time of the recording of the conveyance
documents. (NOTE: Real Estate Excise Tax Affidavits must be printed as legal size forms).
An additional $5.00 Electronic Technology Fee must be included in all excise tax payments.
If the transaction is exempt, an additional $5.00 Affidavit Processing Fee is required.
AM ERI CAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ASSOCIATION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment (06117)2006) Printed: 0920.16 @ 07:13 AM
Page 6 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
I—,)
CHICAGO TITLE COMPANY OF WASHINGTON COMMITMENT NO. 0078887-06
SCHEDULE B
(continued)
11. General and special taxes and charges, payable February 15, delinquent if first half unpaid on May 1, second half
delinquent if unpaid on November 1 of the tax year (amounts do not include interest and penalties):
Year: 2016
Tax Account No.: 042104-9035-07
Levy Code: 1205
Assessed Value -Land: $455,300.00
Assessed Value -Improvements: $0.00
General and Special Taxes:
Billed: $6,628.35
Paid: $3,314.18
Unpaid: $3,314.17
12. A deed of trust to secure an indebtedness in the amount shown below,
Amount: $23,644.00
Dated: November 13, 1987
Trustor/Grantor: Donald F. Spadoni and Judy A. Spadoni, husband and wife; Richard W. Spadoni and Carol
Ann Spadoni, husband and wife; and James H. Spadoni and Kay Deane Spadoni, husband and wife
Trustee: Chicago Title Insurance Company
Beneficiary: H.A.R. Manufacturing, Inc., a Washington corporation; and Herbert A. Rend
el and Anita M.
Rendel, husband and wife
Recording Date: December 2, 1987
Recording No.: 8712020868
Affects: A portion of said premises
13. The search did not disclose any open mortgages or deeds of trust of record, therefore the Company reserves the
right to require further evidence to confirm that the property is unencumbered, and further reserves the right to
make additional requirements or add additional items or exceptions upon receipt of the requested evidence.
Affects: Remainder of said premises
14. Any unrecorded leaseholds, right of vendors and holders of security interests on personal property installed upon
the Land and rights of tenants to remove trade fixtures at the expiration of the terms.
15. In the event title to said Land is acquired by the party(ies) named below, the policy(s), when issued, will show the
following additional item(s) in Schedule B, unless disposed of to the satisfaction of the Company:
Party(ies): William Warren Properties, Inc.
Item(s): 16
16. We find no corporation under the name of "William Warren Properties, Inc." on the list of active corporations in the
Offce of the Secretary of State. It may not be a legal entity capable of holding an interest in real property.
Evidence of the existence of said corporation must be submitted.
AMERI C&N
Copyright American Land Title Association. All rights reserved. tANOMLI
A.ac�llw.
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commllment (06/17/2006) Pdnwd: 09.20.15 @ 07:13 AM
Page 7 WA-CT-FNSE-02150.622476-SP5-1-16-0078887-06
l
CHICAGO TITLE COMPANY OF WASHINGTON COMMITMENT NO.0078887-06
SCHEDULE B
(continued)
17. TO PROVIDE THE EXTENDED COVERAGE POLICY AND/OR ALTA HOMEOWNER'S POLICY IDENTIFIED IN
SCHEDULE A, GENERAL EXCEPTIONS A THROUGH D WILL BE CONSIDERED WHEN OUR INSPECTION
AND/OR REVIEW OF SURVEY, IF REQUIRED, IS COMPLETED. A SUPPLEMENTAL COMMITMENT WILL
FOLLOW.
If there have been recent improvements on the property within 90 days prior to closing we will require a signed
indemnity agreement and a recent financial statement from each indemnitor.
If construction financing is to be insured, please contact the title officer for requirements.
The Company reserves the right to add additional exceptions or make further requirements after review of the
property inspection and requested documentation.
18. The Company will require an ALTA/ACSM LAND TITLE SURVEY. If the owner of the Land the subject of this
transaction is in possession of a current ALTA/ACSM LAND TITLE SURVEY, the Company will require that said
survey be submitted for review and approval; otherwise, a new survey, satisfactory to the Company, must be
prepared by a licensed land surveyor and supplied to the Company prior to the close of escrow.
The Company reserves the right to add additional items or make further requirements after review of the
requested documentation.
END OF EXCEPTIONS
NOTES
The following matters will not be listed as Special Exceptions in Schedule B of the policy. There will be no coverage for
loss arising by reason of the matters listed below because these matters are either excepted or excluded from coverage or
are not matters covered under the insuring provisions of the policy.
Note A: Note: Your application for title insurance was placed by reference to only a street address or tax
identification number. Based on our records, we believe that the legal description in this report
covers the parcel(s) of Land that you requested. If the legal description is incorrect, the
seller/borrower must notify the Company and/or the settlement company in order to prevent
errors and to be certain that the correct parcel(s) of Land will appear on any documents to be
recorded in connection with this transaction and on the policy of title insurance.
Note B: Note: FOR INFORMATIONAL PURPOSES ONLY:
The fallowing may be used as an abbreviated legal description on the documents to be recorded, per
Amended RCW 65.04.045. Said abbreviated legal description is not a substitute for a complete legal
description within the body of the document:
of Lot 1
Account No.: 042104-9035-07
AMERICAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ASSOCIATION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association
ALTA Commitment (0611712006) Printed: 09.20.16 ® 07:13 AM
Page 8 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
CHICAGO TITLE COMPANY OF WASHINGTON
COMMITMENT NO.0078887-06
SCHEDULE B
(continued)
Note C: Note: Any map furnished with this Commitment is for convenience in locating the land indicated herein
with reference to streets and other land. No liability is assumed by reason of reliance thereon.
Note D: NOTE: The premium for the Extended Coverage Owner's Policy is itemized as follows:
Standard Coverage: $1,797.00
Sales tax: $172.51
Extended coverage surcharge: $629.00
Sales tax on surcharge: $60.38
TOTAL PREMIUM, INCLUDING TAX: $2,658.89
Your invoice to follow, will include
Inspection charge: $230.00
Sales tax: $22.08
TOTAL CHARGES, INCLUDING TAX: $2,910.97
END OF NOTES
END OF SCHEDULE B
AMERICAN
Copyright American Land Title Association. All rights reserved. U+a TIT��
naWClAiION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited_ Reprinted under license from the American Land Title Association.
ALTA Commitment (0611712006) Printed 09.20.16 @ 07:13 AM
Page 9 WA-CT-FNSE-02150.622476-SPS-1-16-0078M7-06
CHICAGO TITLE COMPANY OF WASHINGTON COMMITMENT NO. 0078887-06
CONDITIONS
1. The term mortgage, when used herein, shall include deed of trust, trust deed, or other security instrument.
2. If the proposed Insured has or acquired actual knowledge of any defect, lien, encumbrance, adverse claim or other matter affecting the estate or
interest or mortgage thereon covered by this Commitment other than those shown in Schedule B hereof, and shall fail to disclose such knowledge
to the Company in writing, the Company shall be relieved from liability for any loss or damage resulting from any act of reliance hereon to the
extent the Company is prejudiced by failure to so disclose such knowledge. If the proposed Insured shall disclose such knowledge to the
Company, or if the Company otherwise acquires actual knowledge of any such defect, lien, encumbrance, adverse claim or other matter, the
Company at its option may amend Schedule B of this Commitment accordingly, but such amendment shall not relieve the Company from liability
previously incurred pursuant to paragraph 3 of these Conditions.
3. Liability of the Company under this Commitment shall be only to the named proposed Insured and such parties included under the definition of
Insured in the form of policy or policies committed for and only for actual loss incurred in reliance hereon in undertaking in good faith (a) to comply
with the requirements hereof, or (b) to eliminate exceptions shown in Schedule B, or (c) to acquire or create the estate or interest or mortgage
thereon covered by this Commitment. In no event shall such liability exceed the amount stated in Schedule A for the policy or policies committed
for and such liability is subject to the insuring provisions and Conditions and the Exclusions from Coverage of the form of policy or policies
committed for in favor of the proposed Insured which are hereby incorporated by reference and are made a part of this Commitment except as
expressly modified herein.
4. This Commitment is a contract to issue one or more title insurance policies and is not an abstract of title or a report of the condition of title. Any
action or actions or rights of action that the proposed Insured may have or may bring against the Company arising out of the status of the title to
the estate or interest or the status of the mortgage thereon covered by this Commitment must be based on and are subject to the provisions of this
Commitment.
5. The policy to be Issued contains an arbitration clause. All arbitrable matters when the Amount of Insurance is $2,000,000 or less shall be
arbitrated at the option of either the Company or the Insured as the exclusive remedy of the parties. You may review a copy of the arbitration rules
at htto:11www.a1ta. .
END OF CONDITIONS
�a
AMERICAN
Copyright American Land Title Association. All rights reserved. LAND TITLE
ASSOCIATION
The use of this Form is restricted to ALTA licensees and ALTA members in good standing as of the date of use.
All other uses are prohibited. Reprinted under license from the American Land Title Association.
ALTA Commitment j0t311712006j Printed: 09.20.16 @ 07:13 AM
Page 10 WA-CT-FNSE-02150.622476-SPS-1-16-0078887-06
RECORDING REQUIREMENTS
Effective January 1, 1997, document format and content requirements have been imposed by Washington Law.
Failure to comply with the following requirements may result in rejection of the document by the county recorder or
imposition of a $50.00 surcharge.
First page or cover sheet:
3" top margin containing nothing except the return address.
1" side and bottom margins containing no markings or seals.
Title(s) of documents.
Recording no. of any assigned, released or referenced document(s).
Grantors names (and page no. where additional names can be found).
Grantees names (and page no. where additional names can be found).
Abbreviated legal description (Lot, Block, Plat Name or Section, Township, Range and Quarter, Quarter Section
for unplatted). Said abbreviated legal description is not a substitute for a complete legal description which must
also appear in the body of the document.
Assessor's tax parcel number(s).
Return address (in top 3" margin).
**A cover sheet can be attached containing the above format and data if the first page does not contain all
required data.
Additional Pages:
1" top, side and bottom margins containing no markings or seals.
All Pages:
No stapled or taped attachments. Each attachment must be a separate page. All notary and other pressure seals
must be smudged for visibility. Font size of 8 points or larger.
Recording Requirements Printed: 09.20.16 @ 07:13 AM by BB
WA00000924.doc / Updated: 05.23.16 Page 11--0078887-06
FIDELITY NATIONAL FINANCIAL, INC.
PRIVACY NOTICE
Effective: April 1, 2016
Order No.: 0078887-06
At Fidelity National Financial, Inc. and its majority -owned subsidiary companies (collectively, "FNF", "our" or "we"), we value
the privacy of our customers. This Privacy Notice explains how we collect, use, and protect your information and explains the
choices you have regarding that information. A summary of our privacy practices is below. We also encourage you to read
the complete Privacy Notice following the summary.
T,Vpes of Information Collected. You may provide us with
certain personal information, like your contact information,
social security number (SSN), driver's license, other
government ID numbers, and/or financial information. We
may also receive information from your Internet browser,
computer and/or mobile device.
Use of Your Information. We may use your information to
provide products and services to you (or someone on your
behalf), to improve our products and services, and to
communicate with you about our products and services.
We do not give or sell your personal information to parties
outside of FNF for their use to market their products or
services to you.
Choices With Your Information. Your decision to submit
personal information is entirely up to you. You can opt -out
of certain disclosures or use of your information or choose
to not provide any personal information to us.
Hove Information is Collected. We may collect personal
information directly from you from applications, forms, or
communications we receive from you, or from other
sources on your behalf, in connection with our provision of
products or services to you. We may also collect browsing
information from your Internet browser, computer, mobile
device or similar equipment. This browsing information is
generic and reveals nothing personal about the user.
Security Of Your Information. We utilize a combination
of security technologies, procedures and safeguards to
help protect your information from unauthorized access,
use and/or disclosure. We communicate to our employees
about the need to protect personal information.
When We Share Information. We may disclose your
information to third parties providing you products and
services on our behalf, law enforcement agencies or
governmental authorities, as required by law, and to
parties with whom you authorize us to share your
information.
Information From Children. We do not knowingly collect Privacy Outside the Website. We are not responsible for
information from children under the age of thirteen (13), the privacy practices of third parties, even if our website
and our websites are not intended to attract children. links to those parties' websites.
Access and Correction. If you desire to see the
information collected about you and/or correct any
inaccuracies, please contact us in the manner specified in
this Privacy Notice.
The California Online Privacy Protection Act. Certain
FNF websites collect information on behalf of mortgage
loan servicers. The mortgage loan servicer is responsible
for taking action or making changes to any consumer
information submitted through those websites.
Your Consent To This Privacy Notice. By submitting
information to us and using our websites, you are
accepting and agreeing to the terms of this Privacy Notice.
Do Not Track Disclosures. We do not recognize "do not
track" requests from Internet browsers and similar devices.
International Use. By providing us with your information,
you consent to the transfer, processing and storage of
such information outside your country of residence, as well
as the fact that we will handle such information consistent
with this Privacy Notice.
Contact FNF. If you have questions or wish to contact us
regarding this Privacy Notice, please use the contact
information provided at the end of this Privacy Notice.
Privacy Statement Printed: 09.20 16 @ 07:13 AM by BB
WA00000924.doc / Updated: 05.23.16 Page 12--0078887-06
FIDELITY NATIONAL FINANCIAL, INC.
PRIVACY NOTICE
FNF respects and is committed to protecting your privacy.
We pledge to take reasonable steps to protect your Personal
Information (as defined herein) and to ensure your information is
used in compliance with this Privacy Notice.
This Privacy Notice is only in effect for information collected
and/or owned by or on behalf of FNF, including collection through
any FNF website or online services offered by FNF (collectively,
the "Website"), as well as any information collected offline
(e.g., paper documents). The provision of this Privacy Notice to
you does not create any express or implied relationship, nor
create any express or implied duty or other obligation, between
FNF and you.
TyRes of Information Collected
We may collect two (2) types of information: Personal Information
and Browsing Information.
Personal Information. The types of personal information FNF
collects may include, but are not limited to:
contact information (e.g., name, address, phone number,
email address);
social security number (SSN), driver's license, and other
government ID numbers; and
financial account or loan information.
Browsing Information. The types of browsing information FNF
collects may include, but are not limited to:
• Internet Protocol (or IP) address or device ID/UDID, protocol
and sequence information;
• browser language;
• browser type;
• domain name system requests;
• browsing history;
• number of clicks;
• hypertext transfer protocol headers; and
• application client and server banners.
How Information is Collected
In the course of our business, we may collect Personal
Information about you from the following sources:
• applications or other forms we receive from you or your
authorized representative, whether electronic or paper;
• communications to us from you or others;
• information about your transactions with, or services
performed by, us, our affiliates or others; and
• information from consumer or other reporting agencies and
public records that we either obtain directly from those
entities, or from our affiliates or others.
We may collect Browsing Information from you as follows:
■ Browser Log Files. Our servers automatically log, collect and
record certain Browsing Information about each visitor to the
Website. The Browsing Information includes only generic
information and reveals nothing personal about the user.
• Cookies. From time to time, FNF may send a "cookie" to your
computer when you visit the Website. A cookie is a small
piece of data that is sent to your Internet browser from a web
server and stored on your computer's hard drive. When you
visit the Website again, the cookie allows the Website to
recognize your computer, with the goal of providing an
optimized user experience. Cookies may store user
preferences and other information. You can choose not to
accept cookies by changing the settings of your Internet
browser. If you choose not to accept cookies, then some
functions of the Website may not work as intended.
Use of Collected Information
Information collected by FNF is used for three (3) main purposes:
■ To provide products and services to you, or to one or more
third party service providers who are performing services on
your behalf or in connection with a transaction involving you;
• To improve our products and services; and
• To communicate with you and to inform you about FNF's
products and services.
When We Share Information
We may share your Personal Information (excluding information
we receive from consumer or other credit reporting agencies) and
Browsing Information with certain individuals and companies, as
permitted by law, without first obtaining your authorization. Such
disclosures may include, without limitation, the following:
• to agents, representatives, or others to provide you with
services or products you have requested, and to enable us to
detect or prevent criminal activity, fraud, or material
misrepresentation or nondisclosure;
to third -party contractors or service providers who provide
services or perform other functions on our behalf;
to law enforcement or other governmental authority in
connection with an investigation, or civil or criminal
subpoenas or court orders; and/or
to other parties authorized to receive the information in
connection with services provided to you or a transaction
involving you.
Privacy Statement Printed: 09.20.16 @ 07:13 AM by BB
WA00000924.doc / Updated: 05.23.16 Page {(Page}} "-"0078887-06
We may disclose Personal Information and/or Browsing
Information when required by law or in the good -faith belief that
such disclosure is necessary to:
• comply with a legal process or applicable laws;
• enforce this Privacy Notice;
• investigate or respond to claims that any information
provided by you violates the rights of a third party; or
• protect the rights, property or personal safety of FNF, its
users or the public.
We make efforts to ensure third party contractors and service
providers who provide services or perform functions on our behalf
protect your information. We limit use of your information to the
purposes for which the information was provided. We do not give
or sell your information to third parties for their own direct
marketing use.
We reserve the right to transfer your Personal Information,
Browsing Information, as well as any other information, in
connection with the sale or other disposition of all or part of the
FNF business and/or assets, or in the event of our bankruptcy,
reorganization, insolvency, receivership or an assignment for the
benefit of creditors. You expressly agree and consent to the use
and/or transfer of this information in connection with any of the
above described proceedings. We cannot and will not be
responsible for any breach of security by any third party or for any
actions of any third party that receives any of the information that
is disclosed to us.
Choices With Your information
Whether you submit your information to FNF is entirely up to you.
If you decide not to submit your information, FNF may not be able
to provide certain products or services to you. You may choose to
prevent FNF from using ynur information under certain
circumstances ("opt out"). You may opt out of receiving
communications from us about our products and/or services.
Security And Retention Of Information
FNF is committed to protecting the information you share with us
and utilizes a combination of security technologies, procedures
and safeguards to help protect it from unauthorized access, use
and/or disclosure. FNF trains its employees on privacy practices
and on FNF's privacy and information security policies. FNF
works hard to retain information related to you only as long as
reasonably necessary for business and/or legal purposes.
Information From Children
The Website is meant for adults. The Website is not intended or
designed to attract children under the age of thirteen (13). We do
not collect Personal Information from any person that we know to
be under the age of thirteen (13) without permission from a
parent or guardian.
Access and Correction
To access your Personal Information in the possession of FNF
and correct inaccuracies, please contact us by email at
rivac a fnf.com or by mail at:
Fidelity National Financial, Inc.
601 Riverside Avenue
Jacksonville, Florida 32204
Attn: Chief Privacy Officer
Your Consent To This Privacy Notice
By submitting Personal Information and/or Browsing Information
to FNF, you consent to the collection and use of information by
FNF in compliance with this Privacy Notice. We reserve the right
to make changes to this Privacy Notice. If we change this Privacy
Notice, we will post the revised version on the Website.
Privacy Outside the Website
The Website may contain links to other websites, including links to
websites of third party service providers. FNF is not and cannot be
responsible for the privacy practices or the content of any of those
other websites.
International Users
Because FNF's headquarters is located in the United States, we
may transfer your Personal Information and/or Browsing
Information to the United States. By using our website and
providing us with your Personal Information and/or Browsing
Information, you understand and consent to the transfer,
processing and storage of such information outside your country
of residence, as well as the fact that we will handle such
information consistent with this Privacy Notice.
Do Not Track Disclosures
Currently, our poticy is that we do not recognize "do not track"
requests from Internet browsers and similar devices.
The California Online Privacy Protection Act
For some websites which FNF or one of its companies owns, such
as the Customer CareNet ("CCN"), FNF is acting as a third party
service provider to a mortgage loan servicer. In those instances,
we may collect certain information on behalf of that mortgage loan
servicer, including:
• first and last name;
• property address;
• user name and password;
loan number;
• social security number - masked upon entry;
• email address;
• security questions and answers; and
• IP address.
The information you submit is then transferred to your mortgage
loan servicer by way of CCN. The mortgage loan servicer is
responsible for taking action or making changes to any
consumer information submitted through this website. For
example, if you believe that your payment or user information
is incorrect, you must contact your mortgage loan servicer.
CCN does not share consumer information with third parties, other
than those with which the mortgage loan servicer has contracted
to interface with the CCN application. All sections of this Privacy
Notice apply to your interaction with CCN, except for the sections
titled Choices with Your Information, and Access and Correction. If
you have questions regarding the choices you have with regard to
your personal information or how to access or correct your
personal information, contact your mortgage Loan servicer.
Contact FNF
Please send questions and/or comments related to this Privacy
Notice by email at privacyCa7fnf.corn or by mail at:
Fidelity National Financial, Inc.
601 Riverside Avenue
Jacksonville, Florida 32204
Attn: Chief Privacy Officer
Copyright @ 2016. Fidelity National Financial, Inc.
All Rights Reserved.
EFFECTIVE AS OF APRIL 1, 2016
Privacy Statement Printed: 09.20.16 @ 07:13 AM by BB
WA00000924.doc / Updated: 05.23.16 Page {{Page}} 0-MM*0078887-06
I WATER & SEWER DISTRICT
WATER CERTIFICATE OF AVAILABILITY
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): 0421049035 Site Address: 296XX Pacific Hwy S Lakehaven GIs Grid: K-06
Ex. Bldg. Area to Remain: N/A sf New Bldg. Area Proposed: 100,450+/- sf
Applicant's Name: William Warren. Group
WATER SYSTEM INFORMATION
1. ® Water service can be provided by service connection to an existing 8" or 12" diameter water main that is approximately
5+/- to 20+1- feet from the site.
2. ® If additionalLonsite fie hydrant(s) required, water service for the site will require an improvement to Lakehaven's water
distribution system of:
® a. 5+/- to 20+/- 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): Developer Extension Agreement reaulred.
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: If applicable, DE Agreement 2 aboveproject must be acceoted by Lakehaven, ri r to serviceconnection
activation: oth rwi a Water Service Connection applications I re uir d.
Comments/special conditions:
The nearest fire hydrant is approximately 5+/- to 10+/- feet from the Prorertv (as marked on map on the back of this page).
System hydraulic model results (FF #209, 16th Ave S), 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 5,100 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.
578 Pressure Zone Est. Meter Elevation(s)-GIS: 437+/- Est. Pressure Range at Meter(s) (psi): Min. 58, Max. 67
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 Title: DEVELOPMENT -ENGINEERING allPERVISOR
Signature: Date:
1 X3 1
William Warren Group wtr 0421049035.docx (10/18/16) Page 1 of 2
4
0421049259
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Ex. HydranA.,
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0421049038
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Drict neither vaernints nor gua
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vided. Facility locations and coi
subject to field verification.
Water Certificate of Availability ~
Pa rce 1 0421049 035
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Feel 1/3/2017 BIA
William Warren Group wtr 0421049035.docx (10/18/16) Page 2 of 2
WATER & SEWER DISTRICT
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): 0421049035 Site Address: 296XX Pacific Hwy S Lakehaven GIS Grid. K-06
Ex. Bldg. Area to Remain: N/A sf New Bldg. Area Proposed: 100.450+1- sf
Applicant's Name: ,William Warren Grou
SEMIER SYSTEM INFORMATION
1. ® Sewer service can be provided by service connection to an existing 8" diameter sewer main that is approximately 10+ - feet
from the site and the sewer system has the capacity to serve the proposed land use.
2. ❑ 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):
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.
5. 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: Sewer 5grvir a Connection Permit re wire .
Comments/special conditions:
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 ENGI EERINV S PERV S
Signature:
Date: 3 , .
William Warren Group swr 0421049035.docx (10/18/16) Page 1 of 2
0421049259
052-1049C16 '
CO)
t~
b V
w
0421049038
a
FE: Lakehaven water and Semi Sewer Certificate of Availability ~
trict neither v►errants nor guarantees Parcel 0421049035
accuracy of any facility information 0 40 aa
Aded. Facility locations and conditions
subject to field veriftcaton. Feet 1/3/2017 BIA
William Warren Group swr 0421049035.docx (10/18/16) Page 2 of 2
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TS1
Transportation Solutions, Inc.
8250. 165th Avenue NE
Suite 100
Redmond, WA 98052-6628
T 42 December 14, 2016
F 425-867-0898 -$61.98
www.tsinw.com
To: Eric Preston, PE, Federal Way Public Works Traffic Division
From: Jeff Hee, TSI
Subject: StorQuest Self -Storage; File #: 16-104551-00-pC
Independent Transportation Impact Fee Calculation
29600 Pacific Highway South, Federal Way, WA
We request an adjustment to the traffic impact fee estimate for development
based on user -specific trip generation information. This analysis summarizes
to StorQuest Self -Storage
's trip generation
and shows that the trips generated by the ro
the City of Federal Way'sI proposed facility result in a lower impact fee tthan indicated in
ZQ�•6Revise Fee Schedule and Trafls ortation Impact Fee Pro ram
StorQuest Self -Storage is proposing to develop aself-storage facilitywith p
9 , June 2009.
rentable area (NRA) at 29600 pacific Highway South. The site is located ate
which Is currently vacant. The proposed self --storage facilitya up is 72,lan square feet of net
vicinity map and a conceptual site plan are included for reference as existing land parcel 04214-9035,
e anticipated to be operational by 2018. q
Federal Way Transportation Impact Fee Program Attachments 1 and 2.
Table 1 summarizes the City of Federal Way's impact fee methodology for amini-warehouse land use and
proposed StorQuest impact fee rate adjustment.
Table 1: Federal Way Impact Fee Methodology Land Use' Unit of gy Summary
Basic Trip New f
Measure 1 Rate 1 Trip% 1 ++ New r p Avg. Trip Trip Length 2016 2016
(trips/unit] RatLength
Mini -Warehouse + 5F/6FA I (macs Adjust- Cost Per Impact
StorQuest 4 SF/NRA 0.260 ✓' 100% 0.260 4.00 ] Factor Trip End 1 I Fee Rate 1
0.152 100% ! 0.152 1.29 $3
1• Source: 2009 Transportation Impact Fee Report and 2016 4.00 ff $1.I0
2• Trip length adjustment is based on Federal Way's average trip length (3.1 miles); Transportationf 1 29 $8'260.62
Revised Fee 5��edule
3• Proposed user and trip rate and impact fee adjustment
Impact Fee Report, 2009
represent the time when traffic congestion on local roadways is highest. Trip rate information for
StorQuest is discussed in detail in the following section. weekday on peak hour traffic conditions, which
Federal Way's traffic impact fee methodology
Trip Generation
StorQuest-specific trip generation data was collected over nine days in
August 2014 at an existing facility
located at 5200 E Evans Avenue in Denver, Colorado. The existing facility,
tac
72,416 square -foot of NRA. At the time of the data collection, the facility was See Attachment
s7.190 occupied. tttachment ed. includes
generation data is included as Attachment 3B.
The trip
Site trips were recorded as visits (two trips per visit) to the storage units
collected during the facility's operating hours from 6 AM to 10 PM.
to show how the traffic fluctuates, b day, and office area. Trips were
based on the existing occupancy, and the , Adjusted" data Exhibit I summarizes the daily trip data
Y y, at the facility. The "Raw" data shown is from the trip count
a represents full occupancy of the site.
TS1 -d
Transpartation 5olatigns, Inc.
200
180
160
y 140
120
100
Q- 80
F- 60
40
20
0
Eric Preston, City of Federal Way
StorQuest Self -Storage
December 14, 2016
Page 2 of 4
----- 175 --- - ------ 1
145 91
108 124 124
gg 117 129
&bb
Sawo
'A•�9 Daily (87.1% Occupied Raw) Trips Daily (100% Occupied Adjusted) Trips
-------------------------------
cxnrorrt 1: Daily Trips; StorQuest Denver --J
Exhibit 2 summarizes the average hourly fluctuation in weekday traffic generated by the existing facility.
16
15
14 14
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FVh;k: - -b. A. --
'%"I dge vveetcday Trip Generation Profile; StorQuest Denver
Exhibit 3 summarizes the weekday PM peak hour period data collected at the existing facility
16
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Exhibit 3: Weekday PM (4-5 and 5-6 PM) Peak Hour Trips; StorQuest Denver
// Eric Preston, City of Federal Way
TS1 StorQuest Self -Storage
December 14, 2016
Transportation Solutions, Inc. Page 3 of 4
Trip generation is represented as weekday daily and weekday PM peak hour trips. "Weekdays" include
Tuesdays, Wednesdays and Thursdays. The weekday PM peak hour is consistent with the time -period used
as a basis for Federal Way's Traffic Impact Fee Schedule.
Table 2 compares the average weekday daily and average PM peak hour trip rate from the StorQuest
Denver data to the trip rate data from ITE Trip Generation Manual, 9th Edition (2010). The Denver facility's
trip rates, shown below, are adjusted to reflect a fully -occupied occupied facility.
Table 2: Trip Generation Comparison (ITE and StorQuest Denver)
Land Use
I Source
Trip Variable
Daily Rate
PM Rate
Mini -Warehouse
ITE LU 151
Per 1,000 SF GFA
2.500
0.260
Mini-Warehouse2
ITE LU 151
Per 1,000 SF NRA
1.650
0.190
StorQuest Denver3
Data
Per 1,000 SF NRA
1.803
0.157
1, ITE Trip generation consistent with Federal Way Transportation Impact Fee Report, 2009
2. ITE Trip generation with information for trips per 1,000 SF Net Rentable Area (NRA)
3. Average weekday StorQuest Denver trips based on 72,416 SF pf Net Rentable Area (NRA)
The daily StorQuest Denver trip rate is within 5% of the ITE data and the StorQuest Denver PM peak hour
trip rate is 20% lower than the ITE data. Based on the user -specific information, we propose to apply the
StorQuest Denver trip rates to the Federal Way facility. Attachments 3C and 3D compare the proposed trip
generation rates, from the Denver StorQuest, to the ITE data points.
Table 3 summarizes trips generated by StorQuest from on the user -specific trip rates above.
Table 3: Trip Generation (72,000 SF NRA Self -Storage Facility)
Dailv , PM Peak Hour
Rate (Trips per 1,000 SF GFA)1 1.740 0.152
Trip Generated 1 125 11
1. Average weekday StorQuest Denver trip rates based on August 2014 trip generation data
Independent Traffic Impact Fee
Table 4 computes the adjusted impact fee based on the PM peak hour trip rate for StorQuest. Variables
from the City of Federal Way's Traffic Impact Fee Report, 2009 that were not modified include the "New
Trip %", "Average Trip Length by Use" and "2016 Cost Per Trip End".
Table 4: Proposed Impact Fee Calculation
Land Use StorQuest
Unit of Measure SF NRA Calculation Notes:
A. Basic Trip Rate (Trips/1,000 SF)
0.152
A
B. New Trip %
100%
B
c. New Trip Rate (Trips/1,000 SF)
0.152
C = A X B
D. Average Trip Length (miles)
4.000
D
E. City Average Trip Length (miles)
3.1
E
F. Trip Length Adjustment Factor
1.290
F = D _ E
G. 2016 Cost Per Trip End ($)
$3,260.62
G
H. Impact Fee Rate ($/1,000 SF)
$0.640
H = G X F X C=1,000 SF
I. Proposed Size (SF NRA) 72,000
i. Proiect Fee Estimate (2016 dollars) $46,080 J = i x H
The analysis proposes a traffic impact fee rate of $0.64 per square foot. The traffic impact fee estimate for
a 72,000 SF NRA mini -storage facility is $46,080 (in 2016 dollars).
TS1 .,
Transportation Solutions, Inc.
Eric Preston, City of Federal Way
StorQuest Self -Storage
December 14, 2016
Page 4 of 4
Traffic impact fees do not vest, and it is understood that the fee rate may change based on the prevailing
impact fee rate at the time of building permit issuance. However, the methodology used to generate the
proposed fee rate should remain the same as observed for the type and character of the StorQuest facility.
We trust the information presented above is sufficient to support a reduction in the traffic impact fee
associated with development of StorQuest Self -Storage. If you have any questions, please contact TSI at
your earliest convenience.
TS1
Transportation Solutions, Inc.
TS1 z1
Transportation Solutions, Inc.
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Attachment 3B: Storquest Denver Trip Generation; Raw Data
Daily Storquest Facility Visits
Facility Name
Storquest - Evans
Address
5200 East Evans, Denver, CO 80222
Total Units
72,416 SF Net Rentable Area
Occupancy
87.1%
Unit
Office
Total
Date
Day of Week
Visits
Visits
Visits
10-Aug-14
Tuesday 6-7 a.m.
1
0
1
7-8 a.m.
0
0
0
8-9 a.m.
1
0
1
9-10 a.m.
3
1
4
10-11 a.m.
1
0
1
11-12 a.m.
6
0
6
12-1 pm
10
1
11
1-2 pm
6
0
6
2-3 pm
5
0
5
3-4 pm
7
0
7
4-5 pm
3
2
5
5-6 pm
6
0
6
6-7 pm
3
0
3
7-8 pm
5
0
5
8-9 pm
2
0
2
9-10 PM
0
0
0
DAILYTOTAL
59
4
63
12-Aug-14 Thursday 6-7 a.m.
3
0
j
7-8 a.m.
2
0
2
8-9 a.m.
1
0
1
9-10 a.m.
2
0
2
10-11 a.m.
1
1
2
11-12 a.m.
5
1
6
12-1 pm
3
0
3
1-2 pm
6
0
6
2-3 pm
2
1
3
3-4 pm
1
0
1
4-5 pm
3
2
5
5-6 pm
2
1
3
6-7 pm
5
0
5
7-8 pm
2
0
2
8-9 pm
1
0
1
9-10 p rn
2
0
2
DAILY TOTAL
41
6
47
16-Aug-14 Saturday 6-7 a.m.
1
0
1
7-8 a.m.
2
0
2
8-9 a.m.
4
0
4
9-10 a.m.
5
0
5
10-11 a.m.
6
0
6
11-12a.m.
7
1
8
12-1 pm
4
1
5
1-2 pm
7
0
7
2-3 pm
9
0
9
3-4 pm
7
0
7
4-5 pm
5
0
5
5-6 pm
8
0
8
6-7 pm
5
0
5
7-8 pm
1
0
1
8-9 pm
0
0
0
9-10 pm
3
0
3
DAILY TOTAL
74
2
76
Attachment 3B: Storquest Denver Trip Generation; Raw Data
Da ily Storquest Facility Visits
Facility Name
Storquest - Evans
Address
5200 East Evans, Denver, CO 80222
Total Units
72,416 SF Net Rentable Area
Occupancy
87.1%
Unit
Office
Total
Date
Day of Week
Visits
Visits
Visits
17-Aug-14
Sunday 6-7 a.m.
0
0
0
7-8 a.m.
0
0
0
8-9 a.m.
1
0
1
9-10 a.m.
2
0
2
10-11 a.m.
2
0
2
11-12a.m.
1
0
1
12-1 pm
3
0
3
1-2 pm
4
0
4
2-3 pm
7
1
8
3-4 pm
5
0
5
4-5 pm
2
0
2
5-6 pm
2
0
2
6-7 pm
4
0
4
7-8 pm
5
0
5
8-9 pm
2
0
2
9-10 pm
2
0
2
DAILY TOTAL
42
1
43
25-Aug-14 Monday 6-7 a.m.
2
0
2
7-8 a.m.
2
1
3
8-9 a.m.
1
0
1
9-10 a.m.
1
0
1
10-11 a.m.
4
0
4
11-12 a.m.
3
0
3
12-1 pm
5
0
5
1-2 pm
5
0
5
2-3 pm
8
1
9
3-4 pm
5
0
5
4-5 pm
2
0
2
5-6 pm
3
1
4
6-7 pm
3
0
3
7-8 pm
4
0
4
8-9 pm
1
0
1
9-10 pm
2
0
2
DAILY TOTAL
51
3
54
27-Aug-14 Wednesday 6-7 a.m.
0
0
u
7-8 a.m.
1
0
1
8-9 a.m.
1
1
2
9-10 a.m.
5
0
5
10-11 a.m.
3
0
3
11-12 a.m.
6
0
6
12-1 pm
4
1
5
1-2 pm
3
0
3
2-3 pm
5
0
5
3-4 pm
3
0
3
4-5 pm
3
0
3
5-6 pm
5
0
5
6-7 pm
4
1
5
7-8 pm
4
0
4
8-9 pm
2
0
2
9-10 pm
2
0
2
DAILY TOTAL
51
3
54
Attachment 313: Storquest Denver Trip Generation; Raw Data
Daily Storquest Facility Visits
Facility Name
Storquest - Evans
Address
5200 East Evans, Denver, CO 80222
Total Units
72,416 SF Net Rentable Area
Occupancy
87.1%
Unit
Office
Total
Date
Day of Week
Visits
Visits
Visits
29-Aug-14
Friday 6-7 a.m.
1
0
1
7-8 a.m.
0
0
0
8-9 a.m.
1
0
1
9-10 a.m.
2
0
2
10-11 a.m.
2
1
3
11-12a.m.
4
0
4
12-1 pm
3
0
3
1-2 pm
6
0
6
2-3 pm
2
0
2
3-4 pm
4
0
4
4-5 pm
3
1
4
5-6 pm
8
0
8
6-7 pm
6
1
7
7-8 pm
2
0
2
8-9 pm
4
0
4
9-10 pm
0
0
0
DAILY TOTAL
48
3
51
30-Aug-14 Saturday 6-7 a.m.
2
0
2
7-8 a.m.
7
0
7
8-9 a.m.
3
1
4
9-10 a.m.
4
0
4
10-11 a.m.
4
0
4
11-12 a.m.
2
0
2
12-1 pm
3
1
4
1-2 pm
9
0
9
2-3 pm
11
0
11
3-4 pm
9
0
9
4-5 pm
6
0
6
5-6 pm
5
1
6
6-7 pm
7
0
7
7-8 pm
3
0
3
8-9 pm
3
0
3
9-10 pm
2
0
2
DAILY TOTAL
80
3
83
31-Aug-14 Sunday 6-7 a.m.
0
0
0
7-8 a.m.
0
1
1
8-9 a.m.
0
0
0
9-10 a.m.
3
0
3
10-11 a.m.
5
0
5
11-12a.m.
3
0
3
12-1 pm
5
0
5
1-2 pm
6
1
7
2-3 pm
7
0
7
3-4 pm
1
0
1
4-5 pm
8
0
8
5-6 pm
5
0
5
6-7 pm
4
0
4
7-8 pm
3
0
3
8-9 pm
2
0
2
9-10 pm
2
0
2
DAILY TOTAL
54
2
56
Source: William Warren Group and Centreshift Data Systems
«.uuarueeuue
Inc.
Mini -Warehouse
(151)
Average Vehlde Trip E+fs vs: 1000 Sq. Feet Not Rentable Area
On a: Weekday
Number of SWIes: 4
Average 1000 Sq. Feet NRA: 114
Directional DiWlbugon: 50% entering, 50% exiting
Trip Generaftri per 1000 Sq. Feet Not Rentable Area
Avlar a Rats Range of Rates Standard DevkWon
1.65 � 1.19 - 2.17 � 1.34
uata Pilot ana tquation
M
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•
W
210
F-
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(�Yupn + {eie I..e`vn�wr +,7rr+ru �7�pu.raas �sv
190 `
II
1BD 1
15D
I
54orQw5s2
72,000 SF NRA
00 911 10o 110 120 130
1.740 trips/ x 1000 Sq, Feet W®4 11811taMe Area
1,000 SF NRA
Actual Dula Pants
fined Curve Equation: Not g1wo
140 15D
-+--- Avwao:1b
R2 m ..,.
16D I
TS1
Transportation Solutions, Inc.
Mini -Warehouse
(151)
Average Vehicle Trip Ends vs: 1000 Sq. Feet Net Rentable Area
On a: Weekday,
Peak Hour of Adjacent Street Traffic,
One Hour Between 4 and 6 p.m.
Number of Studies: 7
Average 1000 Sq. Feet NRA: 85
Directional Distribution: 53% entering, 47% exiting
Trip Generation per 1000 Sq. Feet Net Rentable Area
Average Rate _ Range of Rates Standard Deviation
0.15 0.11 - 0.64 _ _ Q 45
n9ta Pant antl Fntiatien
30 — - - -
c 20
t
> StorQuest
72,000 SF NRA
o O.1S2 trips/
1,000 SF NRA
p
20 30 40 50 6.3 70 80 90 100 110 123 130 140 1511 160
X = 1 000 Sq. Feet Net Rentable Area
Actuai Oats Pointe Awrags Rafe
Fitted Curve Equation: Not given F12 = ~��
lrerracon
February 3, 2017 RECEIVED
William Warren Group FEB 16 2017
4301 DTC Blvd. CM P^ ^^^^^A. %a 11
Greenwood Village, CO 80111
Attn: Mr. Jon Suddarth
P: (303) 842-5690
E: isuddarthowil[iamwarren.com
Re: Geotechnical Engineering Report — Preliminary Stormwater Infiltration Addendum
StorQuest Self Storage
298th Block Pacific Highway South (SR 99)
Federal Way, Washington
Terracon Project Number: 81165135
Dear Mr. Suddarth:
This letter is an addendum to, and should be used in conjunction with, our Geotechnical
Engineering Report for the project that was submitted to you on January 11, 2017. This report
addendum has been completed in accordance with our Supplemental Scope and Fee Proposal
dated February 2, 2017. The purpose of this addendum is to provide preliminary
recommendations for sizing of stormwater infiltration facilities for the above referenced site.
Field infiltration testing at the location of the proposed gallery is scheduled for February 16,
2017 and final design rates and will be provided upon completion of the field testing.
Project Information
Based on discussions with the architect and the project civil engineer, we understand the
current development plan includes the use of a below -grade infiltration gallery below the eastern
parking lot for infiltration of stormwater. The proposed parking lot grades in the area generally
range from about elevation 429 to 431 feet and the base of the infiltration gallery would be
located at an approximate elevation of 421 Y2 feet.
Subsurface Conditions
As a part of our original scope, we advanced four borings and four test pits on the site. One of
the borings and three of the test pits were located in the lower, east side of the site
approximately within the extents of the proposed infiltration gallery. Based on the conditions
encountered in these explorations, soil at the estimated infiltration depths in this area appears to
generally consist of dense to very dense sand with silt and gravel Advance Outwash deposits.
Terracon Consultants, Inc. 21905 64th Avenue, Suite 100 Mountlake Terrace, Washington 98043
P [425] 771 3304 F [425] 771 3549 terracon.com
1
Geotechnical Engineering Report — Stormwater Infiltration Addendum 1rerracon
Proposed StorQuest Self Storage Facility ■ Federal Way, Washington
February 3, 2017 ■ Terracon Project No. 81165135
Above the Advance Outwash deposits, we encountered existing fill soil above elevations
ranging from about 422'/z feet to 430'h feet.
Groundwater was observed at a depth of about 19'/2 feet in Boring B-3, southwest of the
proposed infiltration gallery. Groundwater was not observed within the full depth Boring B-4,
however, which is located near the east -central portion of the proposed infiltration gallery and
extended to a depth of approximately 5'/z feet below the elevation of proposed infiltration.
Preliminary Design Stormwater Infiltration Rate
Based on the results of the subsurface explorations and laboratory testing completed as a part
of our original scope, we calculated a design infiltration rate of 8 to 9 inches per hour using the
Soil Grain Size Analysis Method as described in Section 3.3.6 of Volume III of the 2014
Department of Ecology (DOE) Stormwater Management Manual for Western Washington.
Correction Factors of 0.4, 0.8, and 0.9 were applied to the calculated rate to account for test
type, site variability, and siltation and buildup, respectively. However, the Soil Grain Size
Analysis Method does not adequately account for the glacially consolidated nature of the
Advance Outwash and lower actual infiltration rates are expected. We recommend a lower rate
of 3 inches per hour be used in preliminary design of the proposed infiltration gallery to
account for the glacially consolidated nature of the Advance Outwash. A final design infiltration
rate recommendation will be provided upon completion of our field infiltration testing.
General Comments
The recommendations presented in this addendum are based upon the data obtained from the
borings and test pits at the locations indicated in the original Geotechnical Engineering Report
and from other information discussed in the report and the above paragraphs. The letter does
not reflect variations that may occur between explorations, across the site, or due to the
modifying effects of construction or weather. The nature and extent of such variations may not
become evident until during or after construction. If variations appear, we should be
immediately notified so that further evaluation and supplemental recommendations can be
provided.
Responsive Resourceful Reliable
Geotechnical Engineering _ .port — Stormwater Infiltration Addendur,_ a �.
Proposed StorQuest Self Storage Facility m Federal Way, Washington
M'i� U
February 3, 2017 ■ Terracon Project No. 81165135
We appreciate the opportunity to perform these services for you. Please contact us if you have
questions regarding this information or if we can provide any additional services.
Sincerely,
Terracon Consultants, In
Ryan M. Scheffler, F
Project Engineer
CIO 0
7 rn
,
39s29 47
DAL E
Cc: John Kay, Magellan Architects
Responsive . Resourceful Reliable
/* -
Dennis R. Stettler, PE
Senior Engineering Consultant
NAVIX
SITE I CV'L
FEB 1, 6 2017
CITY OF FEDERAL WAY
CDS
Modification Request
To: Director of Public Works
From: Jenelle Taflin, P.E.
Date: February 16, 2017
11400 s.e. sth street, suite 345 t 425.453.9501
bellevue, wa 98004 f 425.453.8208
navixeng.com a info@navixeng.com
Subject: StorQuest Self Storage Federal Way; Slope Modification Request (16-104551-00-PC)
We are pleased to submit for a Use Process III application for the proposed StorQuest Self Storage Facility located at 29600 Pacific
Highway South in Federal Way, WA. Per the Pre -Application summary dated October 21, 2016, this project will be required to
comply with all applicable sections of the Federal Way Revised Code. The purpose of this letter is to request a modification to the
requirements of FWRC 19.120.100 in regards to maximum allowable proposed slopes.
An existing steep slope is located along the length of the western property line, which slopes down toward the site and terminates in
an existing on -site rockery. The existing slope is approximately 1.5H:1V to 2H:1V (horizontal:vertical). The proposed development
will involve the removal of the existing rockery in order to locate the building within the western portion of the site where the steep
slope currently exists. The existing steep slope will be regraded along the extents of the building in order to tie into the existing
grades along the southern and northern property lines.
Per FWRC 19.120.100, the maximum allowable proposed cut or fill slope is 3H:1V, and per FWRC 19.120.120, a development may
propose retaining walls with a limit of 6 vertical feet per tier. The proposed development is proposing a retaining wall in the
northwest corner of the site. In order to comply with FWRC 19.120.100 at 3H:1V slopes, this 12' high retaining wall along the
northern property line will be constructed as two-6' tiers. Though no retaining walls are being proposed along the southern
property line, as described in further detail below, there are other factors that come into play that result in a slope of 2H:1V, instead
of the code prescribed 3H:1V.
Lakehaven Utility District requires that a new water main be routed around the southern side of the proposed building, which will
require the provision of a new water main easement. Per Lakehaven, retaining walls will not be approved to be constructed over
their new water main nor within their new water easement. As it is, Lakehaven has agreed to reduce their standard easement width
to accommodate our constrained edge conditions, but have insisted that a retaining wall above the water main and within the new
water main easement will not be allowed.
To accommodate the new water main installation without the use of retaining walls within the new water easement area, we are
proposing to utilize 2H:1V proposed slopes along portions of the western and southern property line as recommended in the
Geotechnical Engineering Report by Terracon, Inc., dated January 11, 2017 (included in the Use Process III submittal). Utilizing 2H:1V
slopes along portions of the western and southern property lines will eliminate the need for retaining walls within the new water
easement area and will allow for a seamless tie-in to the existing steep slopes on the adjacent property to the south. Moreover, per
StorQuest Federal Way Modification Letter
the Landscape Plan submitted as part of the Use Process III submittal, the proposed grades will be able to accommodate the code
prescribed landscaping, including the planting of trees along the southern property line. Finally, the recommendations of the
Geotechnical Engineering Report to stabilize the existing and proposed slopes and minimize the potential for erosion during and
after construction will be adhered to as part of the proposed development.
Thank you for your consideration of this modification request. Please call me at (425) 453-9501 x1511 if you have any questions
regarding this modification request or any of the submitted Use Process III materials.
Federal Way
_D MASTER LAND EPARTMENTo USE DE
VELOPCOMMUNYFY MENT
33325 8`h Avenue South
Federal Way, WA 98003-6325
253-835-2607;Fax 253-835-2609
OF V�DF�AL \Np, www.ciUtTcderalway.com
Cos
APPLICATION NO(S) f `I Date
Project Name StorQuest Federal
Property Address/Location 29600 Pacific Highway South, Federal Way, WA 98003
Parcel Number(s)
0421049035
2/16/2017
Project Description A single, 3-story + basement (4 levels total), fully enclosed self -storage facility with roughly 100,000
gross SF of total building area and a building footprint of roughly 25,600 SF
PLEASE PRINT
Type of Permit Required
Annexation
Binding Site Plan
Boundary Line Adjustment
Comp Plan/Rezone
Land Surface Modification
Lot Line Elimination
Preapplication Conference
Process I (Director's Approval)
Process II (Site Plan Review)
X Process III (Project Approval)
Process IV (Hearing Examiner's Decision)
Process V (Quasi -Judicial Rezone)
Process VI
X SEPA w/Project
SEPA Only
Shoreline: Variance/Conditional Use
Short Subdivision
Subdivision
Variance: Commercial/Residential
Required Information
BC (Community Business) Zoning Designation
Com. BusinessComprehensive Plan Designation
Value of Existing Improvements
Value of Proposed Improvements
International Building Code (IBC):
S-2 Occupancy Type
11-B Construction Type
Applicant
Name: Jenelle Taflin, PE
Address: 11400 SE 8th Street, Suite 345
City/State: Bellevue, WA
Zip: 98004
Phone: 425-453-9501 x1511
Fax:
Email: jtaflin@navixeng.com
Signature:. -
i
Agent (if different than Applicant)
Name:
Address:
City/State:
Zip:
Phone:
Fax:
Email:
Signature:
Owner
Name: William Warren Group (Jon Suddarth)
Address: 5200 East Evans Ave
City/state: Denver, CO
Zip: 80222
Phone: 303-842-5690
Fax:
Email: jsuddarth@williamwarren.com
Signature:
Bulletin #003 — January 1, 2011 Page 1 of 1 k:\Handouts\Master Land Use Application
Geotechnical Engineering Report
StorQuest Self Storage
Federal Way, Washington
January 11, 2017
Terracon Project No. 81165135
FEB 1- 6 2017
cps Prepared for:
William Warren Group
Denver, Colorado
Prepared by:
Terracon Consultants, Inc.
Mountlake Terrace, Washington
I
I
I
I Irerracon
January 11, 2017
William Warren Group
4301 DTC Blvd.
Greenwood Village, CO 80111
Attn: Mr. Jon Suddarth
P: [303] 842-5690
E: juddarth@williamwarren.com
j Re: Geotechnical Engineering Report
J StorQuest Self Storage
Federal Way, Washington
Terracon Project Number: 81165135
.I
J
Dear Mr. Suddarth:
Terracon Consultants, Inc. (Terracon) has completed the geotechnical engineering services
for the above referenced project. This study was performed in general accordance with our
proposal number P81165135 dated September 22, 2016 and the supplemental agreement
dated December 2, 2016. This report presents the findings of the subsurface exploration and
provides geotechnical recommendations concerning earthwork and the design and
construction of foundations, floor slabs, pavement, retaining walls, and temporary shoring for
the proposed project.
We appreciate the opportunity to be of service to you on this project. If you have any
questions concerning this report, or if we may be of further service, please contact us.
Sincerely,
Terracon Consultants, Inc.
Ryan M. �cheffler, P.E.
Project Engineer
/1 .L/ l '
Dennis R. Stettler, P.E.
Senior Engineering Consultant
Terracon Consultants, Inc. 21905 6411) Avenue, Suite 100 Mountlake Terrace, Washington 98043
P 1425.1771 3304 F 14251 771 3549 terracon.com
TABLE OF CONTENTS
J
Page
EXECUTIVESUMMARY
.............................................................................................................i
1.0
INTRODUCTION.............................................................................................................1
2.0
PROJECT INFORMATION.............................................................................................1
2.1
Project Description...............................................................................................1
2.2
Site Location and Description..............................................................................2
3.0
SUBSURFACE CONDITIONS........................................................................................2
3.1
Geology...............................................................................................................2
3.2
Typical Profile......................................................................................................2
3.3
Groundwater.........................................................................................................3
4.0
RECOMMENDATIONS FOR DESIGN AND CONSTRUCTION
......................................3
4.1
Geotechnical Considerations...............................................................................3
4.2
Earthwork............................................................................................................4
4.2.1 Site Preparation........................................................................................4
4.2.2 Temporary Cut Slopes..............................................................................5
4.2.3 Existing Steep Slopes...............................................................................5
4.2.4 Permanent Cut and Fill Slopes.................................................................6
4.2.5 Material Requirements.............................................................................6
4.2.6 Compaction Requirements.......................................................................7
4.2.7 Grading and Drainage..............................................................................7
4.2.8 Earthwork Construction Considerations....................................................7
4.3
Foundations.........................................................................................................9
4.3.1 Foundation Design Recommendations.....................................................9
4.3.2 Foundation Construction Considerations................................................10
4.4
Floor Slabs.........................................................................................................11
4.4.1 Floor Slab Design Recommendations....................................................11
4.4.2 Floor Slab Construction Considerations.................................................12
4.5
Seismic Considerations.....................................................................................12
4.5.1 Fault Zones............................................................................................13
4.5.2 Liquefaction............................................................................................13
4.5.3 Seismic Surcharge............................................................................,.,..13
4.6
Lateral Earth Pressures.....................................................................................13
4.7
Pavements.........................................................................................................16
4.7.1 Subgrade Preparation............................................................................17
4.7.2 Design Considerations...........................................................................17
4.7.3 Estimates of Minimum Pavement Thickness , ..................................
.........18
4.7.4 Pavement Drainage................................................................................19
4.7.5 Pavement Maintenance..........................................................................20
4.8
Temporary Shoring............................................................................................20
4.8.1 Soil Nail Wall Design Recommendations................................................20
4.8.2 Soil Nail Shoring Installation...................................................................21
4.8.3 Soldier Piles............................................................................................22
4.8.4 Soldier Pile Shoring Installation..............................................................23
4.8.5 Monitoring of Temporary Shoring .......................
.................................... 24
Responsive Resourceful ; Reliable
TABLE OF CONTENTS (continued)
5.0 GENERAL COMMENTS...............................................................................................24
APPENDIX A — FIELD EXPLORATION
Exhibit A-1 Site Location Map
Exhibit A-2 Site and Exploration Plan
Exhibit A-3 Section A -A'
Exhibit A-4 Field Exploration Description
Exhibits A-5 through A-8 Boring Logs B-1 through B-4
Exhibits A-9 through A-12 Test Pit Logs TP-1 through TP-4
APPENDIX B — LABORATORY TESTING
Exhibit B-1 Laboratory Testing Description
Exhibit B-2 and B-3 Grain Size Distributions
APPENDIX C — SUPPORTING DOCUMENTS
Exhibit C-1 General Notes
Exhibit C-2 Unified Soil Classification System
Responsive i Resourceful � Reliable
Geotechnical Engineering Report Irerralcon
StorQuest Self Storage.: Federal Way, Washington
January 11, 2017 : Terracon Project No. 81165135
EXECUTIVE SUMMARY
A geotechnical exploration program has been performed for the proposed project located in the
298th block of Pacific Highway South (SR 99) in Federal Way, Washington. Terracon's
geotechnical scope of services included the advancement of four test pits and four soil test
borings to approximate depths of 9'/2 to 50 feet below the existing ground surface (bgs). The
site appears suitable for the proposed construction based upon geotechnical conditions
encountered in the explorations and our current understanding of the proposed development.
The following geotechnical considerations were identified:
In our explorations we encountered undocumented fill or reworked soil, sometimes including
organic soil or a buried topsoil horizon, to depths of '/2 to 11'/z feet, primarily in the eastern
portion of the site. We recommend complete removal of the undocumented fill and
reworked soil below and immediately adjacent to the building footprint. An allowable
bearing pressure of 3,500 pounds per square foot (psf) can be used for shallow footings
bearing on medium dense native material or structural fill extending to medium dense to
very dense native soil.
Explorations in the central and western portion of the site disclosed dense to very dense
gravelly sand or sandy gravel with variable silt content at shallow depths and at deeper depths
below fill in the eastern portion of the site. This soil is interpreted to be Advance Outwash,
which is a glacially -overridden soil that is typically found in a dense to very dense condition.
Foundations bearing on dense to very dense, glacially -overridden native soil can be designed
for an allowable soil bearing pressure of 8,000 psf.
Assuming the owner is willing to accept the risk of unpredictable settlement response in the
pavement areas by leaving some of the undocumented fill below the pavement section, we
recommend removal of at least the upper 12 inches of pavement subgrade, scarification and
compaction of the exposed subgrade, and replacement of the removed material with
structural fill.
The western portion of the site slopes up steeply to 16th Avenue South. Given the planned
location and floor elevation of the building, sufficient room is not available to construct the
building with a temporary excavation and shoring will be required. Shoring will likely require
temporary ground anchors to extend into the 16th Avenue South right-of-way and a construction
easement to allow these anchors would be required from the City of Federal Way.
The on -site soil typically appears suitable for reuse as structural fill if placed at a moisture
content near the optimum value. However, this soil contains a significant fraction of fines
(silt and clay passing the No. 200 mesh sieve) and will quickly become unstable, soft and
unsuitable for reuse as structural fill when exposed to excessive moisture. If work is
planned for the winter months, the site soil will likely not be suitable for reuse on the site.
Responsive : Resourceful 1 Reliable
Geotechnical Engineering Report Irerracan
StorQuest Self Storage ; Federal Way, Washington
January 11, 2017 - Terracon Project No. 81165135
Groundwater seepage was observed at a depth of 19'/2 feet bgs in boring B-3 while drilling.
Groundwater level fluctuations occur due to seasonal variations in the amount of rainfall,
runoff, and other factors not evident at the time the explorations were performed. Based on
our understanding of the proposed development, we do not expect groundwater to affect
construction. If encountered, typical construction dewatering methods such as trench and
sump pumping should be used.
The seismic site classification for this site is C, based on the conditions encountered in our
explorations.
Close monitoring of the construction operations discussed herein will be critical in achieving the
design subgrade support. We therefore recommend that Terracon be retained to monitor this
portion of the work. This summary should be used in conjunction with the entire report for
design purposes. It should be recognized that details were not included or fully developed in this
section, and the report must be read in its entirety for a comprehensive understanding of the items
contained herein. The section titled GENERAL COMMENTS should be read for an understanding
of the report limitations.
Responsive . Resourceful : Reliable
GEOTECHNICAL ENGINEERING REPORT
StorQuest Self Storage
Federal Way, Washington
Terracon Project No. 81165135
January 11, 2017
1.0 INTRODUCTION
Terracon Consultants, Inc. (Terracon) is pleased to present the results of our geotechnical
engineering services for the proposed storage facility. The site is located in the 298" block of
Pacific Highway South in Federal Way, Washington at the general location shown on the Site
Location Map, Exhibit A-1. Terracon's geotechnical scope of services included the
advancement of four test pits and four soil test borings to approximate depths of 9'/2 to 50 feet
below the existing ground surface (bgs).
The purpose of these services is to provide information and geotechnical engineering
recommendations relative to:
subsurface soil conditions foundation design and construction
- groundwater conditions slab design and construction
earthwork seismic considerations
pavement design recommendations lateral earth pressures
temporary shoring recommendations
-J 2.0 PROJECT INFORMATION
2.1 Project Description
Item I Description
Site layout See Appendix A, Exhibit A-2: Site and Exploration Plan
The proposed project would consist of a single, 3-story+daylight
basement, fully enclosed self -storage facility with roughly 101,950
gross square feet of total building area and a building footprint
Proposed improvements taking up most of the site with the exception of a 15 foot setback on
_1 three sides and a 40 foot setback that will contain a parking area
between the building and Pacific Highway South.
Approximate elevation of 432 feet based on Site Section developed
Finished floor elevation by Magellan Architects.
JResponsive : Resourceful : Reliable 1
Geotechnical Engineering Report Irerracon
StorQuest Self Storage Federal Way, Washington
January 11, 2017 : Terracon Project No. 81165135
2.2 Site Location and Description
Item Description
This project is located in the 298'h block of Pacific Highway South
Location (SR 99) in Federal Way, Washington. The site encompasses tax
parcel 0421049035.
The site consists of a primarily undeveloped lot with bushes and
Existing improvements trees. A short rockery lies at the base of the relatively steep slope
on the west side of the site, and along the north side of the site
separating the site from the Federal Way Motel to the north.
Site grades up slightly east to west and north to south. The
Existing topography property rises very steeply near the west edge of the property. The
east side of the property slopes down to Pacific Highway South.
3.0 SUBSURFACE CONDITIONS
3.1 Geology
The geologic map of the area, Geologic Map of the Poverty Bay 7.5' Quadrangle, King and
Pierce Counties, Washington (USGS, Booth et al, 2004), shows the surficial geology for the site
is mapped as Qva — Advance outwash deposit. Advance outwash consists of well -bedded sand
and less common gravel deposited subaqueously or by streams and rivers in front of the
advancing ice sheet. Advance outwash is typically overridden by a glacial till soil deposited
beneath advancing glaciers. Glacial till is mapped near the site. Our interpretation of the soil
disclosed in the explorations is that the soil is advance outwash, although glacial till is mapped
nearby and could be present near the ground surface over higher elevation portions of the site.
3.2 Typical Profile
Soil conditions on the site were explored by advancing four test pits and four soil test borings to
approximate depths of 9'/z to 50 feet bgs. Logs of the explorations and a description of the field
exploration procedures are presented in Appendix A. The locations of the explorations on the site
are shown on Exhibit A-2 in Appendix A.
Conditions encountered at each exploration location are indicated on the individual exploration
logs. Stratification boundaries on the exploration logs represent the approximate location of
changes in soil types; in situ, the transition between materials may be gradual. .
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Geotechnical Engineering Report
StorQuest Self Storage , Federal Way, Washington
January 11, 2017 : Terracon Project No. 81165135
1rerracon
Based on the results of the explorations, a generalized subsurface profile is presented along
section A -A' in Exhibit A-3. The subsurface conditions on the project site can be generalized as
follows:
Approximate Depth to
Stratum Bottom of Stratum
(feet)
1 '/2 to 1 1'/2
22 14
Consistency/
Density
Uncontrolled fill' or reworked soil consisting Very loose to
of silty sand with gravel with organics. medium dense
Silty sand with gravel Medium dense
Material Description
3 Undetermined3 Gravelly sand with variable silt and gravel Dense to very
content (Advance Outwash) dense
1. Uncontrolled fill is material that was placed without moisture and density control. This material is
typically variable in composition, consistency, density, moisture, and depth and in some locations
could include organic materials and clearing debris.
2. Stratum 2 was only encountered on the east side of the site.
3. Borings and test pits were terminated at their planned depths within this stratum.
3.3 Groundwater
The eight on -site explorations were observed while drilling/excavating for the presence and level
of groundwater. Groundwater seepage was encountered in boring B-3 at a depth of
approximately 19'/2 feet bgs. The seven other explorations did not encounter groundwater at
the time of exploration.
Groundwater level fluctuations occur due to seasonal variations in the amount of rainfall, runoff,
and other factors not evident at the time the explorations were performed. In addition, perched
water can develop over low -permeability soil. Therefore, groundwater levels during construction
or at other times in the life of the structure may be higher or lower than the levels indicated on
the exploration logs.
4.0 RECOMMENDATIONS FOR DESIGN AND CONSTRUCTION
4.1 Geotechnical Considerations
Based on the results of the subsurface exploration, laboratory testing, and our geotechnical
engineering analyses, it is our opinion that the proposed building can be supported on shallow
foundations bearing on medium dense to very dense native soil or compacted structural fill
extending to medium dense to very dense native soil. Geotechnical engineering
recommendations for foundation systems and other earth -connected phases of the project are
Responsive Resourceful : Reliable 3
Geotechnical Engineering Report Irerracon
StorQuest Self Storage : Federal Way, Washington
January 11, 2017 : Terracon Project No. 81165135
outlined below. The recommendations contained in this report are based upon the results of
data presented herein, engineering analyses, and on our current understanding of the proposed
project.
ASTM and Washington State Department of Transportation (WSDOT) specification codes cited
herein respectively refer to the current manual published by the American Society for Testing &
Materials and the 2016 edition of the WSDOT Standard Specifications for Road, Bridge, and
Municipal Construction (Publication M41-10).
We encountered undocumented fill or reworked soil to depths of '/2 to 11'/z feet in our
explorations. Fill depths encountered in the explorations were deepest in the northeast corner
of the site and were observed to be shallower in the explorations to the south and west. Fill,
especially undocumented fill, by nature can be highly variable and could vary greatly between
sample locations. There is an inherent risk for the owner that compressible fill or unsuitable
material within or buried by the fill will not be discovered. This risk of unforeseen conditions
cannot be eliminated without completely removing the undocumented fill. For the purposes of
this report, we assume complete removal of the fill and replacement with structural fill will be
limited to the area under and adjacent to the building pad. In addition to the fill soil, any loose or
organic -rich soil should be removed and replaced in a similar manner. The lateral extent of
undocumented fill removal and replacement beyond the building pad footprint is defined later in
this report.
4.2 Earthwork
Based on the subsurface conditions encountered in our exploration, we expect that all of the on -
site soil within the limits of construction can be removed with conventional excavation
equipment. Cobbles and boulders may have been encountered in our explorations based on
our interpretation of drilling action and are commonly found in glacial soil. The contractor should
be prepared to deal with cobbles and boulders. Recommendations for site preparation,
structural fill, and permanent slopes are presented below
4.2.1 Site Preparation
Prior to equipment arriving onsite, clearing and grading limits should be established and
marked. Silt fences should be constructed along the downslope side of all areas planned for
clearing and grading. Preparation for site grading and construction should begin with
procedures intended to control surface water runoff. The sandy soil on site is moderately
susceptible to erosion by flowing water. We anticipate that the use of shallow ditches, with
sumps and pumps as needed, will be adequate for surface water control during wet weather
and wet site conditions.
Stripping efforts should include removal of vegetation, organic materials, and any deleterious
debris from the proposed structure's footprint. It appears that up to about 6 inches of stripping
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will be necessary in areas with light vegetation. Greater depths of stripping and grubbing may
be necessary in areas with thick vegetation and tree roots. These materials are not suitable for
reuse as structural fill. Site disturbance beyond the work area should be limited to reduce the
potential for erosion and off -site sediment transport. Disturbance of existing vegetation and soil
structure on the slope up to 16th Avenue South should be avoided if at all practical until
temporary shoring is installed.
Areas that are stripped or excavated to the design subgrade elevation, or that are to receive
structural fill, should be proofrolled with heavy rubber -tired construction equipment (e.g. loaded
dump truck). Any soft, loose, or otherwise unsuitable areas identified during proofrolling should
be recompacted if practical or removed and replaced with structural fill. We recommend that
proofrolling of the subgrade be observed by a representative of our firm to assess the adequacy
of the subgrade conditions and identify areas needing remedial work. We recommend that this
procedure not be performed during wet weather. During wet conditions, systematic probing
should be used to evaluate the subgrade.
4.2.2 Temporary Cut Slopes
We anticipate that temporary open cuts and/or trenches will be utilized during construction of
the project. Temporary slope stability is a function of many factors, including the following:
The presence and abundance of groundwater
The type and density of the various soil strata
The depth of cut
Surcharge loading adjacent to the excavation
The length of time the excavation remains open
It is exceedingly difficult under the variable circumstances to pre -establish a safe and
"maintenance -free" temporary cut slope angle. Therefore, it should be the responsibility of the
contractor to maintain safe slope configurations since the contractor is continuously at the job
site, able to observe the nature and condition of the cut slopes, and able to monitor the
subsurface materials and groundwater conditions encountered. It may be necessary to drape
temporary slopes with plastic or to otherwise protect the slopes from the elements and minimize
sloughing and erosion. We do not recommend vertical slopes or cuts deeper than 4 feet if
worker access is necessary. The cuts should be adequately sloped or supported to prevent
injury to personnel from local sloughing and spalling. The excavations should conform to
applicable Federal, State, and local regulations.
4.2.3 Existing Steep Slopes
Relatively steep slopes are present along the west side of the site sloping down from the west
property line along 16th Avenue South to the general grade of the site. A rockery is present at
the toe of the slope along all of the slope except within about 30 feet of the south property line.
Ground surface elevations along the west property line range from about 464 to 474 feet. The
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ground surface elevation near the toe of the rockery (or toe of slope where a rockery is not
present) is about 440 feet.
Based on the topography of this site and the surrounding area, it is evident that the relatively
steep slope along the west side of the site was created by cutting into the existing topography at
some time in the past to create a relatively level portion of the site and construction of a rockery
at the toe of the slope. Presumably this cut slope and rockery was constructed under some
previous grading permit. The existing cut slope above the rockery appears to have a slope of
approximately 1.5H:1 V to 1.7H:1 V (horizontal:vertical) for most of the slope above the rockery
based on site topography provided to us. The rockery is not present within about 30 feet of the
south property line and the slope extends more into the site to the east with an average slope of
about 1.8H:1V to 2H:1V based on topography provided to us.
The existing cut slope is highly vegetated with brush and trees. Significant blackberry bushes
obscure much of the ground surface on the steep slope. To the extent that the slope is visible,
we were not able to identify indications of past slope failures or existing slope instability features
on the existing cut slope. The boring advanced at the top of the slope and the geologic
mapping of the site indicate the presence of dense to very dense, glacially -consolidated soil
composed primarily of gravelly sand with variable silt content and some cobbles. Existing cut
slopes as steep as 1.5H:1 V are expected to be stable with an appropriate factor of safety in
these soil conditions.
Steep slopes can be subject to erosion if not protected. We recommend that the vegetation be
kept in place on the existing cut slope. To the extent that vegetation is removed on this slope,
we recommend specific attention to erosion protection including placement of erosion protection
matting and other features to limit the potential for erosion followed by prompt planting on the
slope to reestablish a suitable vegetative protective slope cover.
4.2.4 Permanent Cut and Fill Slopes
We recommend newly constructed permanent cut and fill slopes be constructed at 2HA V or
flatter. Any exposed slopes should be protected from erosion during construction and by
establishment of appropriate permanent vegetative cover to limit the potential for erosion.
4.2.5 Material Requirements
Compacted structural fill should meet the following material property requirements:
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WSDOT Standard
Fill Type
Specification
19-03.12(1)A Gravel Backfill for
Foundations Class A
Structural Fill 9-03.9(1) Ballast
9-03.9(3) Crushed Surfacing
Base Course
Trench Backfill
Native gravelly sand with silt'
Native gravelly sand with silt'
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Acceptable Location for Placement
Beneath and adjacent to the structure's slab
and foundation; beneath pavement sections
Utility Trenches
1. Fines content of near -surface native gravelly sand with silt make this material moisture
sensitive and therefore likely unsuitable for use during periods of wet weather.
4.2.6 Compaction Requirements
Item
Fill Lift Thickness
Minimum Compaction Requirements
Moisture Content — Granular Material
1. Typically within 2% of optimum
Description
8 inches or less in loose thickness when heavy, self-
propelled compaction equipment is used
4 inches in loose thickness when hand -guided equipment
(i.e. jumping jack or plate compactor) is used
Minimum 95% of the material's modified Proctor maximum
dry density (ASTM D 1557)
Workable moisture levels'
4.2.7 Grading and Drainage
Adequate positive drainage of exposed subgrades should be provided during construction and
maintained throughout the life of the development to prevent an increase in moisture content of
the foundation and pavement subgrades and excavation backfill materials. Surface water
drainage should be controlled to prevent undermining of structures during and after
construction. Additionally, surface water should be directed away from steep slopes on the site
to the extent feasible to reduce the risk of erosion and instability.
Roof gutters and downspouts should be routed into tightline pipes that discharge into a
municipal storm drain or other suitable location. Splash -blocks should also be considered below
hose bibs and water spigots if the area is not paved.
4.2.8 Earthwork Construction Considerations
It is anticipated that excavations for the proposed construction can be accomplished with
conventional earthmoving equipment. Advance outwash can contain cobbles and occasionally
boulders. The contractor should be prepared to remove cobbles and boulders from excavations
if encountered.
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Upon completion of filling and grading, care should be taken to maintain the subgrade moisture
content prior to construction of floor slabs and pavements. Construction traffic over the
completed subgrade should be avoided to the extent practical. The site should also be graded
to prevent ponding of surface water on the prepared subgrades or in excavations. If the
subgrade should become frozen, desiccated, saturated, or disturbed, the affected material
should be removed or these materials should be scarified, moisture conditioned, and
recompacted prior to floor slab and pavement construction and observed by Terracon.
Surface water should not be allowed to pond on the site and soak into the soil during
construction. Construction staging should provide drainage of surface water and precipitation
away from the building and pavement areas. Any water that collects over or adjacent to
construction areas should be promptly removed, along with any softened or disturbed soil.
Surface water control in the form of sloping surfaces, drainage ditches and trenches, and sump
pits and pumps will be important to avoid ponding and associated delays due to precipitation
and seepage.
Groundwater seepage was encountered at a depth of 19'/z feet bgs in boring B-3. Based on our
understanding of the proposed development, we do not expect groundwater to affect
construction. If groundwater is encountered during construction, some form of temporary
dewatering may be required. Conventional dewatering methods, such as pumping from sump
pits, should likely be adequate for temporary removal of groundwater encountered during
excavation at the site.
Temporary excavations will probably be required during grading operations. The grading
j contractor, by his contract, is usually responsible for designing and constructing stable,
J temporary excavations and should shore, slope or bench the sides of the excavations as
required to maintain stability of both the excavation sides and bottom. All excavations should
1 comply with applicable local, state and federal safety regulations, including the current
1 Occupational Health and Safety Administration (OSHA) Excavation and Trench Safety
Standards. All excavations should be sloped or braced as required by OSHA regulations to
provide stability and safe working conditions.
J Construction site safety is the sole responsibility of the contractor who controls the means,
methods and sequencing of construction operations. Under no circumstances shall the
information provided herein be interpreted to mean that Terracon is assuming any responsibility
J for construction site safety or the contractor's activities; such responsibility shall neither be
implied nor inferred.
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4.3 Foundations
We encountered undocumented fill or reworked soil to depths of '/2 to 11'/2 feet in our
explorations. Due to the unpredictability of undocumented fill, we recommend complete
removal of undocumented fill below the proposed building pad. Any loose or organic soil
observed below the fill should also be removed. The lateral extent of removal and replacement
for the building pads should be at least two-thirds of the depth of excavation beyond the building
pad footprint at the perimeter footing location.
In our opinion, after these overexcavations are completed, the proposed building can be
supported by a shallow, spread footing foundation system bearing on compacted structural fill
extending to medium dense to dense native soil. Since the finished floor elevation of 432 feet
requires excavation below existing site grades, we expect foundations for the central and
western thirds of the proposed building will likely bear on dense to very dense, glacially -
consolidated, advance outwash soil. For foundations bearing on the dense to very dense
outwash, a higher allow soil bearing pressure could be used, if desired. Design
recommendations for shallow foundations for the proposed structures are presented in the
following paragraphs.
4.3.1 Foundation Design Recommendations
Description I Column Wall
Net allowable bearing pressure'
Compacted structural fill or medium
dense to dense native soil
m Dense to very dense Advance Outwash
Minimum dimensions
Minimum embedment below finished floor
grade for perimeter footings2
Minimum embedment below finished floor
grade for interior footings
Approximate total settlement from foundation
loads3
3,500 psf
8,000 psf
24 inches
18 inches
12 inches
<1 inch
Estimated differential settlement from <'/2 inch between
foundation loads3 columns
3,500 psf
8,000 psf
18 inches
18 inches
12 inches
<1 inch
<'/2 inch over 40 feet
Ultimate coefficient of sliding traction u.o
Ultimate passive earth pressure 400 pcf
1. The recommended net allowable bearing pressure is the pressure in excess of the minimum
surrounding overburden pressure at the footing base elevation. Assumes any unsuitable
undocumented fill or soft soil, if encountered, will be undercut and replaced with compacted
structural fill. Based upon a minimum Factor of Safety of 3.
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Description Column Wall
2. For frost protection and to reduce the effects of seasonal moisture variations in the subgrade soil.
For perimeter footing and footings beneath unheated areas.
3. The foundation settlement will depend upon the variations within the subsurface soil profile, the
structural loading conditions, the embedment depth of the footings, the thickness of compacted fill
and the quality of the earthwork operations.
The allowable foundation bearing pressures apply to dead loads plus design live load
conditions. The design bearing pressure may be increased by one-third when considering total
loads that include wind or seismic conditions. The weight of the foundation concrete below
grade may be neglected in dead load computations.
Footings, foundations, and masonry walls should be reinforced as necessary to reduce the
potential for distress caused by differential foundation movement. The use of joints at openings
or other discontinuities in masonry walls is recommended.
Foundation excavations should be observed by a Terracon representative. If the soil conditions
encountered differ from those presented in this report, supplemental recommendations may be
required. Confirmation of the soil conditions in the foundation excavations is required at the
time of construction for the allowable soil bearing pressures provided in this report to be valid.
We recommend that the building be encircled with a perimeter foundation drain to collect
exterior seepage water. This drain should consist of a 4-inch-diameter perforated pipe within an
envelope of pea gravel or washed rock, extending at least 6 inches on all sides of the pipe. The
gravel envelope should be wrapped with filter fabric (such as Mirafi 140N) to reduce the
migration of fines from the surrounding soil. Ideally, the drain invert would be installed no more
than 8 inches above or below the base of the perimeter footings. The perimeter foundation
drain with cleanouts should not be connected to roof downspout drains and should be
constructed to discharge into the site storm water system or other appropriate outlet.
4.3.2 Foundation Construction Considerations
We recommend that the existing fill or reworked and organic soil disclosed in the eastern portion
of the site be totally excavated and removed from beneath and immediately adjacent to the
building footprint as recommended previously in this report. Following removal of the existing fill
or reworked and organic soil, we recommend the excavation be backfilled with compacted
structural fill as recommended in the Earthwork section of this report. The actual horizontal and
vertical extent of the recommended removal of unsuitable soil will require visual observation by
Terracon at the time of construction.
In the event that unsuitable soil is disclosed at the planned foundation level at localized areas in
other portions of the site at the time of construction, overexcavation and removal of the
unsuitable soil will be required in those areas as well. Overexcavation below footings should
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extend laterally beyond all edges of the footings at least 8 inches per foot of overexcavation
depth below footing base elevation. The overexcavation should then be backfilled up to the
footing base elevation with well -graded granular material placed in lifts of 8 inches or less in
loose thickness and compacted to at least 95 percent of the material's modified Proctor
maximum dry density (ASTM D 1557). In areas where overexcavation is required for use of the
higher bearing pressure associated with the dense to very dense advance outwash, we
recommend that the foundation either be deepened or the foundation overexcavation be
backfilled with lean concrete. The overexcavation and backfill procedure is described in the
figure below.
Design D 213D
n 2I3
Design w g
Footing Level Fooling Level 0�. - -
COMPACTED
LEAN STRUCTURAL ❑
CONCRETE FILL
Recommended Recommended
Excavation Level d Excavation Level ,,
Lean Concrete Backfill Overexcavation / Backfill
NOTE: Excavations in sketches shown vertical for convenience Excavations should be sloped as necessary for safety
4.4 Floor Slabs
We recommend complete removal of undocumented fill encountered below the proposed
building floor slab, as described above for the foundation subgrade. Removed soil should be
replaced with structural fill placed and compacted in accordance with the Earthwork section of
this report. A subgrade prepared and tested as recommended in this report should provide
adequate support for a moderately loaded floor slab.
4.4.1 Floor Slab Design Recommendations
Item
Interior floor system
Floor slab support
Aggregate base course/capillary break'
Description
Slab -on -grade concrete.'
Structural fill placed and compacted in accordance with
the Earthwork section of this report.
Minimum 4-inch thickness compacted layer of free
draining, uniform gravel
1. Floor slabs should be structurally independent of any building footings or walls to reduce floor
slab cracking caused by differential movements between the slab and foundation. The slabs
should be appropriately reinforced to support the proposed loads.
2. The base course serves as a capillary break layer, a drainage layer, a leveling layer, and a
bearing laver.
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We recommend subgrades be maintained at the proper moisture condition until floor slabs are
constructed. If the subgrade should become desiccated prior to construction of floor slabs, the
affected material should be removed or the materials scarified, moistened, and recompacted.
Upon completion of grading operations in the building areas, care should be taken to maintain
the recommended subgrade moisture content and density prior to construction of the building
floor slabs.
Where appropriate, saw -cut control joints should be placed in the slab to help control the
location and extent of cracking. For additional recommendations refer to the ACI Design
Manual.
The use of a vapor retarder or barrier should be considered beneath concrete slab -on -grade
floors that will be covered with wood, tile, carpet or other moisture -sensitive or impervious
coverings, or when the slab will support equipment sensitive to moisture. When conditions
warrant the use of a vapor retarder, the slab designer and slab contractor should refer to ACI
302 and ACI 360 for procedures and cautions regarding the use and placement of a vapor
retarder/barrier.
4.4.2 Floor Slab Construction Considerations
On most project sites, the site grading is generally accomplished early in the construction phase.
However as construction proceeds, the subgrade may be disturbed due to utility excavations,
construction traffic, desiccation, rainfall, etc. As a result, the floor slab subgrade may not be
suitable for placement of the base course and concrete slab, and corrective action may be
required.
All floor slab subgrade areas should be moisture conditioned and properly compacted to the
recommendations in this report and then thoroughly proofrolled prior to final grading and
placement of the base course. Particular attention should be paid to high traffic areas that were
rutted and disturbed earlier and to areas where backfilled trenches are located. Areas where
unsuitable conditions are located should be repaired by removing and replacing the affected
material with properly compacted structural fill.
4.5 Seismic Considerations
Description
International Building Code (IBC) and 2010
ASCE 71
Site Latitude
Site Longitude
SS — Short Period Spectral Acceleration for Site
Value
Cz
47.3344°N
122.3124°W
1.306 g
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Class C
S1 — 1-Second Period Spectral Acceleration for
Site Class C
Fa — Short Period Site Coefficient
0.499 g
1.000
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F — 1-Second Period Site Coefficient 1.301
1. The 2010 ASCE 7 document indicates that the seismic site classification is based on the average
soil and bedrock properties in the top 100 feet. The current scope does not include a 100-foot
soil profile determination. This seismic site class definition considers that soil encountered at
depth in our explorations continue below the termination depths. Additional exploration to deeper
depths would be required to confirm the conditions below the current depth of exploration.
2. Site Class C applies to an average soil profile within the top 100 feet consisting predominantly of
very dense soil and soft rock. This soil is characterized by Standard Penetration Test blow counts
in exceedance of 50, a shear wave velocity of between 1,200 and 2,500 feet per second, and an
undrained shear strength in exceedance of 2,000 pounds per square foot.
4.5.1 Fault Zones
Risk of damage from onsite fault rupture appears to be low based on review of the Washington
State Department of Natural Resources Geologic Hazards interactive map accessed on
December 20, 2016. The site is located within the Tacoma fault zone. The closest estimation
of the trace of this fault lies approximately 1,000 feet to the north.
4.5.2 Liquefaction
JThe term liquefaction refers to a phenomenon by which saturated soil develops high pore water
pressures during seismic shaking and, as a result, loses its strength characteristics. This
phenomenon generally occurs in areas of high seismicity, where groundwater is relatively
shallow and where loose granular soil (mainly sands) or non -plastic fine-grained soil (mainly
silts) is present. Considering the likely depth to groundwater and the dense to very dense
1 glacially -consolidated soil encountered at depth in our explorations, our opinion is that risk from
J liquefaction is very low.
4.5.3 Seismic Surcharge
For backfilled walls or walls cast directly against shoring, we recommend a uniform seismic
lateral surcharge pressure equal to 12H, where H is equal to the wall height in feet, and
Jpressure is in pounds per square foot (psf). Basement walls between floors can be designed for
80% of the factored seismic load combination to account for the concentration of load at the
Jrelatively stiff floor slabs.
4.6 Lateral Earth Pressures
JReinforced concrete walls with unbalanced backfill levels on opposite sides should be designed
for earth pressures at least equal to those indicated in the following table. Earth pressures will
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be influenced by structural design of the walls, conditions of wall restraint, methods of
construction and/or compaction and the strength of the materials being restrained. Two wall
restraint conditions are shown. Active earth pressure is commonly used for design of
free-standing cantilever retaining walls and assumes wall movement. The "at -rest" condition
assumes no wall movement. The recommended design lateral earth pressures do not include a
factor of safety and do not provide for possible hydrostatic pressure on the walls.
For active pressure movement
S = Surcharge (0.002 H to 0.004 H)
S For at -rest pressure
- No Movement Assumed
Horizontal
Finished
Grade
H
Horizontal
Finished Grade
�__pz--014 pi—1 Retaining Wall
Earth Pressure Coefficients
Earth Pressure
Coefficient for
Equivalent Fluid
Surcharge
Earth Pressure,
Conditions and
Backfill Type
Density (pcf)
Pressure, p, (psf)
pz (ps f)
backslope
Active (Ka)
Horizontal
0.31
40
(0.31)S
(40)H
a 2:1 Slope
0.45
60
(45)S _
(60)H
At -Rest (Ko)
Horizontal
0.47
60
(0.47)S
(47)H
ca 2:1 Slope
0.68
90
(0.68)S
��
(90)H
Passive (Kp)
3.25
400
---
-
Applicable conditions to the above include:
For active earth pressure, wall must rotate about base, with top lateral movements of about
0.002 H to 0.004 H, where H is wall height
For passive earth pressure to develop, wall must move horizontally to mobilize resistance
Uniform surcharge, where S is surcharge pressure
In -situ soil backfill weight a maximum of 135 pcf
Backfill compacted between 92 and 95 percent of modified Proctor maximum dry density
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Loading from heavy compaction equipment not included
No hydrostatic pressures acting on wall
No dynamic loading
No safety factor included
Ignore passive pressure in frost zone
Backfill placed against structures should consist of granular soil as described in Section 4.2.3.
For these values to be valid, the granular backfill must extend out and up from the base of the
wall at an angle of at least 45 and 60 degrees from vertical for the active and passive cases,
respectively. To calculate the resistance to sliding, a value of 0.50 should be used as the
ultimate coefficient of friction between the footing and the underlying soil.
A perforated rigid plastic or metal drain line installed behind the base of walls that extend below
adjacent grade is recommended to prevent hydrostatic loading on the walls. The invert of a
drain line around a below -grade building area or exterior retaining wall should be placed near
foundation bearing level. The drain line should be sloped to provide positive gravity drainage or
to a sump pit and pump. The drain line should be surrounded by clean, free -draining granular
material having less than 5 percent passing the No. 200 sieve. The free -draining aggregate
should be encapsulated in a filter fabric and should extend to within 2 feet of final grade, where
it should be capped with compacted low permeability fill to reduce infiltration of surface water
into the drain system.
Layer of
cohesive fill
Foundation wall
Free -draining graded
granular filter material or
non -graded free -draining
material encapsulated in
an appropriate filter
fabric (see report)
— Slope to drain
away from building
Backfill (see report
requirements)
Native, undisturbed
soil or engineered fill
-- Perforated drain pipe (Rigid PVC
unless stated otherwise in report)
As an alternative to free -draining granular fill, a pre -fabricated drainage structure may be used.
A pre -fabricated drainage structure is a plastic drainage core or mesh which is covered with
filter fabric to prevent soil intrusion, and is fastened to the wall prior to placing backfill.
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If controlling hydrostatic pressure behind the wall as described above is not possible, then
combined hydrostatic and lateral earth pressures should be calculated using an equivalent fluid
weighing 85 and 90 pcf for active and at -rest, respectively. These pressures do not include the
influence of surcharge, equipment, or pavement loading, which should be added as applicable.
Heavy equipment should not operate within a distance closer than the exposed height of
retaining walls to prevent lateral pressures more than those provided.
We recommend that permanent basement walls constructed flush against shoring be designed
to withstand uniform rectangular lateral pressure equal to 22 H, in psf, where H equals the wall
height in feet. Permanent walls should be provided with drainage as described subsequently in
this report.
A surcharge load should be added to the lateral pressure if traffic or other loading is anticipated
within a zone extending back from the wall a distance equal to the wall height. A traffic
surcharge equal to 2 feet of retained soil is recommended for traffic loading. A seismic
surcharge, as discussed in Section 4.5.3 should also be considered in the design. For other
loads adjacent to the basement wall, such as adjacent building foundations, please, contact
Terracon to estimate appropriate surcharge pressures.
These equivalent fluid pressures are based on the assumption of a uniform backfill and no
buildup of hydrostatic pressures behind the wall. To prevent the buildup of lateral earth
pressures in excess of the above designed pressures, over compaction of fill behind the walls
should be avoided. This can be accomplished by placing the backfill within 24 inches of the wall
in lifts not exceeding 4 inches in loose depth and compacting with hand -operated or self-
propelled equipment.
Care should be taken where utilities penetrate through basement walls. Minor settlement of the
backfill can put significant soil loading on utilities, and some form of flexible connection may be
appropriate at backfilled wall penetrations.
4.7 Pavements
We encountered undocumented fill soil to depths of/z to 11'/2 in our explorations. Provided the
owner is willing to accept the risk of unpredictable settlement response of the undocumented fill
under pavement sections, we recommend limited risk mitigation measures including removal of
at least the upper 12 inches of pavement subgrade, scarification and compaction of the exposed
subgrade, and replacement of the removed material with structural fill in accordance with the
earthwork section of this report. Based on the results of our explorations, the undocumented fill
soil is generally in a very loose to medium dense condition and represents a moderate risk of
excessive settlements due to traffic loading after completion of the recommended
improvements, though areas of unsuitable or compressible fill may be present within the fill
areas that were not observed in our explorations.
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4.7.1 Subgrade Preparation
On most project sites, the site grading is accomplished relatively early in the construction phase.
However, as construction proceeds, excavations are made into these areas, rainfall and surface
water saturates some areas, heavy traffic from concrete trucks and other construction vehicles
disturbs the subgrade, and many surface irregularities are filled in with loose soil to temporarily
improve driving conditions. As a result, the pavement subgrades, initially prepared early in the
project, should be carefully evaluated as the time for pavement construction approaches.
We recommend that the moisture content and density of the top 12 inches of the subgrade be
evaluated and that the pavement subgrades be proofrolled within two days prior to
commencement of actual paving operations. Areas not in compliance with the required ranges of
moisture or density should be moisture conditioned and recompacted. Particular attention should
be paid to high traffic areas that were rutted and disturbed earlier and to areas where backfilled
trenches are located. Areas where unsuitable conditions are located should be repaired by
removing and replacing the materials with properly compacted structural fills. If a significant
precipitation event occurs after the evaluation or if the surface becomes disturbed, the subgrade
should be reviewed by qualified personnel immediately prior to paving. The subgrade should be
in its finished form at the time of the final review.
f 4.7.2 Design Considerations
We anticipate that traffic loads will be produced primarily by automobile and light traffic and by
j occasional larger moving trucks and trash -removal trucks. The thickness of pavements
J subjected to heavy truck traffic should be determined using expected traffic volumes, vehicle
types, and vehicle loads and should be in accordance with local, city or county ordinances.
-� Pavement thickness were determined using AASHTO methods based on assumed values of
maximum ESAL loading of 100,000 (ESAL = equivalent 18-kip single axle load) for standard
duty car and light truck parking areas over a 20-year design life. For heavy duty truck traffic
areas, we used an assumed traffic loading of 250,000 ESALs in our analysis. If traffic loading
developed by the civil engineer differs significantly from these assumed values, the pavement
Jthickness design should be revisited.
The minimum pavement sections outlined below were determined based on the estimated
subgrade support and post -construction traffic loading conditions. These pavement sections do
not account for heavy construction traffic during development. A partially constructed structural
J section may be subjected to heavy construction traffic that can result in pavement deterioration
and premature failure. Our experience indicates that this pavement construction practice can
result in pavements that will not perform as intended. Considering this information, several
alternatives are available to mitigate the impact of heavy construction traffic on the pavement
construction. These include using thicker sections to account for the construction traffic; using
some method of soil stabilization to improve the support characteristics of the pavement
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Geotechnical Engineering Report
StorQuest Self Storage Federal Way, Washington
January 11, 2017 Terracon Project No. 81165135
Irerracon
subgrade; routing heavy construction traffic around paved areas; or delaying paving operations
until as near the end of construction as is feasible.
Pavement performance is affected by its surroundings. In addition to providing preventive
maintenance, the civil engineer should consider the following recommendations in the design
and layout of pavements:
Final grade adjacent to parking lots and drives should slope down from pavement edges at
a minimum 2 percent;
The subgrade and the pavement surface should have a minimum '/4 inch per foot slope to
promote proper surface drainage;
Install pavement drainage surrounding areas anticipated for frequent wetting (e.g.,
landscaping areas, etc.);
Install joint sealant and seal cracks immediately;
Seal all landscaped areas in, or adjacent to pavements to reduce moisture migration to
subgrade soil, and;
Place compacted, low permeability backfill against the exterior side of curb and gutter
Our pavement design was conducted using an assumed CBR value of 20 percent. To obtain
this CBR value in the field, the pavement subgrade must be thoroughly compacted to at least 95
percent of the modified Proctor density within 2 percent of its optimum moisture. Any imported
structural fill placed below proposed pavement areas should have a CBR value of at least 20
percent.
- 4.7.3 Estimates of Minimum Pavement Thickness
MINIMUM STANDARD -DUTY PAVEMENT SECTION FOR
CAR AND LIGHT TRUCK -ONLY AREAS
Thickness Compaction/Material
Layer (inches) Specification
J WSDOT: 9-03.8(2) %-inch HMA
Asphalt Surface 3.0
p WSDOT: 9-03.8(6) 3/4-inch Aggregate
Crushed Aggregate Base 4.0 WSDOT: 9-03.9(3) Base Course
Compacted Structural Fill 12 95% of Modified Proctor MDD, -2 to
Subgrade +2% OMC
tTotal Pavement Section 7.0
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Geotechnical Engineering Report
StorQuest Self Storage .: Federal Way, Washington
January 11, 2017 . Terracon Project No. 81165135
Irerracon
MINIMUM HEAVY DUTY -PAVEMENT SECTION FOR TRUCK AREAS
Thickness Compaction/Material
Layer (inches) Specification
WSDOT: 9-03.8(2) 3/4-inch HMA
Asphalt Surface Course 4.0
--1 p WSDOT: 9-03.8(6)'/4-inch Aggregate
Crushed Aggregate Base 6.0 WSDOT: 9-03.9(3) Base Course
Compacted Structural Fill 12 95% of Modified Proctor MDD, -2 to
Subgrade +2% OMC
Total Pavement Section 10.0
The abbreviations MDD, OMC, and HMA in the tables above refer to Maximum Dry Density,
Optimum Moisture Content, and Hot Mix Asphalt, respectively. The graded crushed aggregate
base should be compacted to a minimum of 95 percent of the material's modified Proctor
(ASTM D 1557, Method C) maximum dry density. We recommend that asphalt be compacted
^j to a minimum of 92 percent of the Rice (theoretical maximum) density or 96 percent of Marshall
l (maximum laboratory) density.
+ ] We recommend that a Portland cement concrete pavement (CCP) be utilized in entrance and
1 exit sections, dumpster pads, loading dock areas, or other areas where extensive wheel
maneuvering or repeated loading are expected. The dumpster pad should be large enough to
} support the wheels of the truck which will bear the load of the dumpster. We recommend a
minimum of 6 inches of CCP underlain by 4 inches of crushed aggregate base. Although not
required for structural support, the base course layer is recommended to help reduce potentials
for slab curl, shrinkage cracking, and subgrade "pumping" through joints. Proper joint spacing
will also be required to prevent excessive slab curling and shrinkage cracking. All joints should
be sealed to prevent entry of foreign material and dowelled where necessary for load transfer.
Portland cement concrete should be designed with proper air -entrainment and have a minimum
compressive strength of 4,000 psi after 28 days of laboratory curing. Adequate reinforcement
and number of longitudinal and transverse control joints should be placed in the rigid pavement
in accordance with ACI requirements. The joints should be sealed as soon as possible (in
accordance with sealant manufacturer's instructions) to minimize water infiltration into the soil.
4.7.4 Pavement Drainage
Pavements should be sloped to provide rapid drainage of surface water. Water allowed to pond
on or adjacent to the pavements could saturate the subgrade and contribute to premature
pavement deterioration. In addition, the pavement subgrade should be graded to provide positive
drainage within the crushed aggregate base section.
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Geotechnical Engineering Report Irerracon
StorQuest Self Storage Federal Way, Washington
January 11, 2017 i Terracon Project No. 81165135
We recommend drainage be included at the bottom of the crushed aggregate base layer at the
storm structures to aid in removing water that may enter this layer. Drainage could consist of
small diameter weep holes excavated around the perimeter of the storm structures. The weep
holes should be excavated at the elevation of the crushed aggregate base and soil interface.
The excavation should be covered with crushed aggregate which is encompassed in Mirafi
140NL or approved equivalent which will aid in reducing fines from entering the storm system.
4.7.5 Pavement Maintenance
The pavement sections provided in this report represent minimum recommended thicknesses.
Therefore preventive maintenance should be planned and provided for through an on -going
pavement management program. Preventive maintenance activities are intended to slow the rate
of pavement deterioration, and to preserve the pavement investment. Preventive maintenance
consists of both localized maintenance (e.g., crack and joint sealing and patching) and global
maintenance (e.g., surface sealing). Preventive maintenance is usually the first priority when
implementing a planned pavement maintenance program. Prior to implementing any
maintenance, additional engineering observation is recommended to determine the type and
extent of a cost-effective program. Even with periodic maintenance, some movements and
related cracking may still occur and repairs may be required.
4.8 Temporary Shoring
Based on the soil conditions observed at the exploration locations and the proposed floor slab
elevation, we recommend that either soldier pile or soil nail shoring be considered to temporarily
support the excavation during construction. Provided adequate distance is available, temporary
slope cuts can be combined with the shoring system to reduce the height retained by the
shoring. The shoring required to support the excavation is typically used as back forms for the
permanent basement walls.
Terracon is in discussions with the design team regarding design of temporary shoring systems
for this project at the time of this report. The following design and construction parameters are
provided for preliminary planning purposes.
4.8.1 Soil Nail Wall Design Recommendations
The basic concept of soil nailing is to reinforce and strengthen the existing ground by installing
closely spaced steel bars commonly referred to as "nails" into a slope or excavation as
construction proceeds from the top, downward. This produces a reinforced zone that is itself
stable and helps to support the un-reinforced ground behind it. The nails are considered
passive as tension is applied as they resist the deformation of the adjacent soil. The nail
reinforcement improves stability in two ways. First, soil nailing reduces the driving force along
the potential failure surfaces. Second, in frictional soil, nailing increases the normal force and
hence the soil shear resistance along potential failure surfaces. If required, vertical elements
typically consisting of closely spaced steel beams or pipes placed in augered holes and
Responsive 1 Resourceful , Reliable 20
J
Geotechnical Engineering Report
StorQuest Self Storage i Federal Way, Washington
January 11, 2017 . Terracon Project No. 81165135
Irerracon
backfilled with lean concrete can be installed to improve face stability and temporary conditions
during nail installation.
Based on the subsurface conditions encountered during our site investigation, the portion of the
site where shoring will likely be required consists of glacially -consolidated deposits of advance
sand composed of dense to very dense gravelly sand with variable silt and cobble content. At
the time of this report, shoring is not anticipated within the uncontrolled fill soil in the eastern
portion of the site. If future plans require shoring within the fill, Terracon should be consulted to
provide additional design recommendations.
The following parameters are recommended for design of soil nail walls:
Advance Outwash
Friction Angle: 38 degrees
Cohesion: 100 psf
Moist Unit Weight: 135 pcf
Ultimate Pullout Strength (minimum 6-inch diameter soil nail): 6 kip/ft.
Allowable Pullout Strength (minimum 6-inch diameter soil nail): 3 kip/ft.
The actual adhesion value will depend on the materials and installation methods and should be
confirmed by testing. Larger diameter drill holes and/or secondary grouting may be required to
achieve the recommended pull out capacity. Installation methods should be the responsibility of
the contractor. The location and presence of existing features should be checked during the
design as these may affect the location and lengths of the soil nails.
Vertical elements may be used to provide cantilever support where utilities or adjacent
structures prevent installation of soil nails in the upper portion of the shoring wall. The vertical
elements should be designed using the recommendations presented in the soldier pile sections
of this report. The allowable passive resistance can be represented as an equivalent fluid
weight of 350 pcf above the groundwater table and 200 pcf below and can be assumed to act
over three times the concrete pile diameter or pile spacing, whichever is less.
We recommend that soil nail shoring be designed in general accordance with local standard of
practice and soil surcharge pressures from slopes, construction loads, and traffic be included in
the analysis and design, where appropriate.
J 4.8.2 Soil Nail Shoring Installation
Cased holes may be required to prevent caving and loss of ground within any surficial fill and
sandy zones within the glacially overridden deposits. The soil nail grout should be pumped into
`J the soil nail holes by tremie methods in order to force grout up from the bottom of the hole and
to provide a continuously grouted soil nail.
J
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Geotechnical Engineering Report 1rerracon
StorQuest Self Storage Federal Way, Washington
January 11, 2017 : Terracon Project No. 81165135
A minimum of two sacrificial, 200 percent verification tests should be performed in each soil type
to be nailed in order to evaluate the ultimate soil friction capacity and the load deformation
performance of the soil nail. Verification testing should be accomplished as soon as each soil
type is encountered and prior to installation of production nails. The location of the verification
tests should be selected by the contractor and approved by the engineer of record. The drilling
method, hole diameter, and depth of soil nail should be identical to the production soil nails.
Additionally, 5 percent of production soil nails should be proof tested to 150 percent of design
load to confirm the design capacity and appropriate construction methods.
4.8.3 Soldier Piles
Soldier piles for shoring are typically set in drilled holes and backfilled with lean or structural
concrete. Soldier pile installation may involve casing the holes and/or drilling with a mud slurry
to cut-off groundwater seepage. Passive earth pressures acting on the embedded portion of the
soldier piles resist horizontal loads on the shoring system. We recommend using an allowable
equivalent fluid unit weight of 350 pcf. The passive earth pressure will act over three diameters
of the concreted soldier pile section or the pile spacing, whichever is less. The active earth
pressures act over the concreted pile diameter below the base of the excavation.
For a cantilevered shoring system or shoring with one row of tieback anchors or internal
bracing, we recommend the following:
Use an equivalent fluid unit weight of 30 pounds per cubic foot (pcf) for active earth
pressures and 50 pcf for at -rest earth pressures;
For the case of street loads adjacent to the shoring, add a uniform surcharge load
equivalent to 2 additional feet of soil;
For the case of a slope above the shoring, add a uniform surcharge that is the product of the
appropriate equivalent fluid unit weight (e.g., 30 pcf) and one-half the height of the cut slope;
and
For other loads adjacent to the shoring (e.g., heavy construction loads and building
foundations), contact Terracon to estimate appropriate surcharge pressures.
For tieback anchors, the anchor portion of the tieback should be located sufficiently far behind
the excavation shoring to stabilize the excavation face. The no "load" zone limits is the area
behind the soldier pile equal to a lateral distance from the base of the excavation equal to the
exposed wall height (H in feet) divided by four, or five feet, whichever is greater, and a line
sloping up and back at 60 degrees from horizontal.
The selection of the tieback materials and installation methods should be the responsibility of
the contractor. The actual adhesion values will depend on the materials and installation method
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Geotechnical Engineering Report 1rerracon
StorQuest Self Storage - Federal Way, Washington
January 11, 2017 , Terracon Project No. 81165135
and should be confirmed by testing. For non -pressure grouted anchors, the allowable design
concrete/soil adhesion value of 2,000 psf can be used for preliminary design and cost
estimating purposes. For pressure grouted anchors, this value can typically be increased by
two to three times. We recommend all tieback anchors be proof tested to at least 130% of the
design capacity prior to locking off at the specified post tensioned design load. Prior to
installation of production anchors, two verification tests to 200% of the design pull out capacity
are recommend for each soil type in order to confirm the design capacity.
A minimum anchor spacing of four feet center to center is recommended for tieback anchors.
The anchor holes should be drilled at an angle of 15 to 30 degrees down from horizontal. A
minimum anchor bond of 10 feet is recommended. The location and presence of existing
features such as utilities and foundation should be checked during the design as these may
affect the location and length of tieback anchors.
Vertical capacity of the soldier piles may be provided by a combination of end bearing and side
friction below the base of the excavation. The piles can be designed for an allowable end
bearing resistance of 20 ksf with an allowable side friction of 2 ksf for that portion of the pile
embedded into the dense to very dense glacially consolidated soil. A factor of safety of 3 and 2
apply to the allowable end bearing and side friction, respectively.
We recommend timber lagging, or some other form of protection, be installed in all areas. Due
to soil arching effects, lagging may be designed for 40 percent of the lateral earth pressure used
for shoring design. Prompt and careful installation of lagging would reduce potential loss of
ground. The requirements for lagging should be made the responsibility of the shoring
subcontractor to prevent soil failure, sloughing, and loss of ground. Proper installation of
lagging is critical to provide safe working conditions. We recommend that any voids between
the lagging and soil be backfilled promptly. However, the backfill should not allow potential
hydrostatic pressure to build-up behind the wall. Drainage behind the wall must be maintained.
4.8.4 Soldier Pile Shoring Installation
The contractor should be required to prevent caving and loss of ground in all soldier pile drill
holes. The shoring contractor will need to use methods to minimize caving and sloughing of the
drill holes, such as the use of augercast methods or installation of casing. If more than one foot
of water is present in the bottom of the hole, placement of concrete from the bottom of the hole
will be required.
When drilling tieback anchor holes, casing may be required to prevent caving and loss of
ground. The anchor grout should be pumped into the anchor zone by tremie methods in order
to remove water from the hole and to provide a continuous grouted anchor.
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Geotechnical Engineering Report Irerracon
StorQuest Self Storage 1 Federal Way, Washington
January 11, 2017 1 Terracon Project No. 81165135
Voids behind the lagging should be backfilled immediately with a permeable granular soil
material or lean concrete. The excavation height prior to lagging installation should not exceed
5 feet to maintain stability of the cut face.
4.8.5 Monitoring of Temporary Shoring
Any time an excavation is made below the level of existing buildings, utilities, or other
structures, there is risk of damage even if a well -designed shoring system has been planned.
We recommend, therefore, that a systematic program of observations be conducted on adjacent
facilities and structures. The monitoring program should include measurements of the
horizontal and vertical movements of the adjacent structures and the shoring system itself. At
least two reference lines should be established adjacent to the excavation at horizontal
distances back from the excavation space of about 1/3H and H, where H is the final excavation
height. Monitoring of the shoring system should include measurements of horizontal
movements at the top of every other soldier pile. If local wet areas are noted within the
excavation, additional monitoring points may be recommended by Terracon.
The measuring system used for shoring monitoring should have an accuracy of at least 0.01-
feet. All reference points on the existing structures should be installed and readings taken prior
to commencing the excavation. All reference points should be read prior to and during critical
stages of construction. The frequency of readings will depend on the results of previous
readings and the rate of construction. As a minimum, readings should be taken about once a
week throughout construction until the basement walls are completed. All readings should be
reviewed by Terracon.
In order to establish the condition of existing facilities prior to construction, we recommend that
William Warren Group makes a complete inspection and evaluation of pavements, structures,
utilities, and other facilities near the project site. This inspection should be directed towards
detecting any existing signs of damage, particularly those caused by settlement or lateral
movement. The observations should be documented by pictures, notes, survey drawings, or
other means of verification. The contractor should also establish for their own records the
existing conditions prior to construction.
5.0 GENERAL COMMENTS
Terracon should be retained to review the final design plans and specifications so comments
can be made regarding interpretation and implementation of our geotechnical recommendations
in the design and specifications. Terracon also should be retained to provide observation and
testing services during grading, excavation, foundation construction and other earth -related
construction phases of the project.
Responsive : Resourceful Reliable 24
I
Geotechnical Engineering Report
StorQuest Self Storage : Federal Way, Washington
January 11, 2017 : Terracon Project No. 81165135
Irerracon
The analysis and recommendations presented in this report are based upon the data obtained
from the explorations performed at the indicated locations and from other information discussed
in this report. This report does not reflect variations that may occur between explorations,
across the site, or due to the modifying effects of construction or weather. The nature and
extent of such variations may not become evident until during or after construction. If variations
appear, we should be immediately notified so that further evaluation and supplemental
recommendations can be provided.
The scope of services for this project does not include either specifically or by implication any
environmental or biological (e.g., mold, fungi, bacteria) assessment of the site or identification or
prevention of pollutants, hazardous materials or conditions. If the owner is concerned about the
potential for such contamination or pollution, other studies should be undertaken.
This report has been prepared for the exclusive use of William Warren Group and their design
consultants for specific application to the project discussed and has been prepared in
accordance with generally accepted geotechnical engineering practices. No warranties, either
express or implied, are intended or made. Site safety, excavation support, and dewatering
requirements are the responsibility of others. In the event that changes in the nature, design, or
location of the project as outlined in this report are planned, the conclusions and
recommendations contained in this report shall not be considered valid unless Terracon reviews
the changes and either verifies or modifies the conclusions of this report in writing.
Responsive : Resourceful . Reliable 25
APPENDIX A
FIELD EXPLORATION
I
EXHIBIT
-J
Proieci Mngr:
SGP
Project No
81165135
1rarracon
SITE LOCATION MAP
Drawn By:
Scale:
StorQuest Federal Wa \/
1
AMP
AS SHOWN
Consulting Engineers and Scientists
298th Block Pacific HWY S.
A-
Checked By: SGP
File No Exhibit A-1
i
Approved By:
Dale:
21905641h Avenue W, Ste 100 Mountlake Terrace, WA 93043
Federal Way, King County, Washington
`i
DRS,j
January2017
PH (425) 771-3304 FAX (425) 771-3549
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S 70' Exploration offset direction and distance from section
N.as
SPT Blowcount
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Lithology
+ N=50/5•- :
-�7^ Water Level Reading at time of drilling
naiwra-
" 9L10 a*-=+•�� Boring Termination depth
EAST
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Distance Along Baseline -Feet
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THE SUBSURFACE CONDITIONS SHOWN ON THE GENERALIZED SUBSURFACE PROFILE ARE BASED UPON INTERPOLATION BETWEEN WIDELY SPACED
EXPLORATIONS AND MAY NOT REPRESENT ACTUAL SUBSURFACE CONDITIONS. SIMPLIFIED NAMES ARE SHOWN FOR SOIL DEPOSITS, BASED ON
GENERALIZATIONS OF SOIL DESCRIPTIONS_ SEE EXPLORATION LOGS AND REPORT TEXT FOR MORE DETAILED SOIL AND GROUNDWATER DESCRIPTIONS.
2:1 Vertical Exaggeration
See Exhibit A-2 for orientation of soil profile.
See General Notes in Appendix C for symbols and soil classifications.
Soil profile provided for illustration purposes only.
Soil between borings may differe.
Project Mngc
Project No
SG
81165135
Drawn By:
AMP
Scale:
AS SHOWN
Checked By:
File No
SGP
Exhibit3.dwg
Approved By:
Date:
DRS
January2017
Irerracan
Consulting Engineers and Scientists
21905 641h Avenue W, Ste 100 Mountlake Terrace, WA 99043
PH (425)771-3304 FAX (425)771-3549
SECTION A -A' EXHIBIT
StorQuest Federal Way
298th Block Pacific HWY S. A-3
Federal Way, King County, Washington
Geotechnical Engineering Report Irerracon
StorQuest Self Storage , Federal Way, Washington
^l January 11, 2017 : Terracon Project No. 81165135
—1 Field Exploration Description
The subsurface exploration consisted of drilling and sampling four borings and excavating four
j test pits at the site to depths ranging from about 9'/z to 50 feet below existing grade. The boring
l and test pit locations were laid out by Terracon personnel. Distances from these locations to
the reference features indicated on the attached diagram are approximate and were estimated.
The locations of the borings should be considered accurate only to the degree implied by the
means and methods used to define them. Horizontal boring locations were determined using a
handheld GPS instrument. The boring elevations were interpolated from the topographic survey
provided by Magellan Architects.
—� Field logs of each boring and test pit were prepared by the engineer or geologist on site. These
logs included visual classifications of the materials encountered during drilling/excavating as
well as the engineer or geologist's interpretation of the subsurface conditions between samples.
1 Final boring and test pit logs included with this report represent an interpretation of the field logs
and include modifications based on laboratory observation and tests of the samples obtained in
the field. The enclosed boring and test pit logs indicate the vertical sequence of soil and
materials encountered in each exploration. Where a soil contact was observed to be
gradational, our logs indicate the average contact depth.
The samples were classified in the laboratory based on visual observation, texture and
plasticity. The descriptions of the soil indicated on the boring logs are in general accordance
with the enclosed General Notes and the Unified Soil Classification System. Estimated group
symbols according to the Unified Soil Classification System are given on the boring logs. A brief
description of this classification system is attached to this report.
- Soil Boring Procedures
The borings were drilled with a track -mounted rotary drill rig using hollow stem augers to
advance the boreholes. Representative soil samples were obtained by the split -barrel sampling
procedure. In the split -barrel sampling procedure, the number of blows required to advance a
standard 2-inch O.D. split -barrel sampler the last 12 inches of the typical total 18-inch
Jpenetration by means of a 140-pound hammer with a free fall of 30 inches, is the standard
penetration resistance value (N). These values are indicted on the borings logs at the depths of
J occurrence. This value is used to estimate the in -situ relative density of cohesionless soil and
the consistency of cohesive soil. The sampling depths and penetration distance, plus the
standard penetration resistance values, are shown on the boring logs. The samples were
1 sealed and taken to the laboratory for testing and classification.
J An automatic SPT hammer was used to advance the split -barrel sampler in the borings
Jperformed on this site. A greater efficiency is typically achieved with the automatic hammer
compared to the conventional safety hammer operated with a cathead and rope. Published
correlations between the SPT values and soil properties are based on the lower efficiency
I� Responsive Resourceful . Reliable Exhibit A-4
11
Geotechnical Engineering Report
StorQuest Self Storage 7 Federal Way, Washington
January 11, 2017 Terracon Project No. 81165135
1rerracon
cathead and rope method. This higher efficiency affects the standard penetration resistance
blow count (N) value by increasing the penetration per hammer blow over what would obtained
using the cathead and rope method. The effect of the automatic hammer's efficiency has been
considered in the interpretation and analysis of the subsurface information for this report.
Test Pit Procedures
Test pits were excavated with a tracked excavator operated by an excavation company
(Northwest Excavating) working under subcontract to Terracon. A geologist from our firm
continuously observed the test pits, logged the subsurface conditions that were encountered,
and obtained disturbed representative soil samples. The samples were stored in moisture -tight
containers and transported to our laboratory for visual classification and testing.
After completion of the test pits, the resulting excavations were backfilled with the excavated
material. The backfill was compacted in lifts by means of bucket tamping with the excavator.
Some settlement of the backfill should be expected
J
Responsive a Resourceful * Reliable Exhibit A-4
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BORING LOG NO. B-1
Pa e 1 of 3
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
c7
LOCATION See Exhibit A-2
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Latitude: 47.3343° Longitude:-122.3133'
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—6 inches Topsoil 469.5
GRAVELLY WELL -GRADED SAND WITH SILT (5W-51Y!1, with
cobbles, brown, dense to very dense, moist (ADVANCE OUTWASH)
•m:
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10
36-15-20
S-1
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N=35
(blowcount on gravel may be overstated)
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GRAVELLY POORLY -GRADED SAND WITH SILT (SP-SM1, with
'
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cobbles, tan -brown, very dense, moist (ADVANCE OUTWASH)
16
N=88
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6
(blowcount on gravel may be overstated)
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17
19-36-50/5"
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•
°
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25—
Stratification lines are approximate. In -situ, the transition may be gradual. Hammer Type: Automatic SPT Hammer
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Hollow Stem Auger
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Borings backfilled with bentonite chips upon completion
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
(Boring
Irerracon (Drill
Started: 10/25/2016
Boring Completed: 10/25/2016
Groundwater not encountered
Rig: Track
Driller: Holocene
21905 64th Ave W Ste 100
Mountlake Terrace, WA (Project
No.: 81165135
Exhibit: A-5
BORING LOG NO. B-1 Page 2 of 3
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
(9 LOCATION See Exhibit A-2
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(ADVANCE OUTWASH)
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,4
5
Stratification lines are approximate. In -situ, the transition may be gradual. Hammer Type: Automatic SPT Hammer
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Hollow Stem Auger
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Borings backfilled with bentonite chips upon completion
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
iBoring
1rerracon iDrill
Started: 10/25/2016
Boring Completed: 10/25/2016
Groundwater not encountered
Rig: Track
Driller: Holocene
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Project No.: 81165135
Exhibit: A-5
I
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C
LU
BORING LOG NO. B-1 Pa e 3 of 3
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
o
LOCATION See Exhibit A-2
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Latitude: 47 3343° Longitude:-122,3133'
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DEPTH ELEVATION Ft.
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5012"
S-10
Boring Terminated at 50.2 Feet
W5012"
Stratification lines are approximate. In -situ, the transition may be gradual. Hammer Type: Automatic SPT Hammer
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Hallow Stem Auger
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Borings backfilled with bentonite chips upon completion
abbreviations.
Elevations were interpolated from a topographic
tiro nlnn
WATER LEVEL OBSERVATIONS
(Boring
Started: 10/2512016
Boring Completed: 10/25/2016
Groundwater not encountered
Irerracon (Drill
Rig: Track
Driller: Holocene
—
21905 64th Ave W Ste 100
Mountlake Terrace, WA (Project
No.: 81165135
Exhibit: A-5
BORING LOG NO. B-2
PROJECT: StorQuest Federal Way I CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
Q LOCATION See Exhibit A-2 w� zrn
O wo
v Latitude:47.3343' Longitude:-122.3129' _
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brown, very dense, moist (ADVANCE OUTWASH)
(blowcount on gravel may be overstated)
iU.
1.
(blowcount on gravel may be overstated)
,i
51 -CLAYgy SAND V41TH GRAVEL (SMI, brown, very dense,
moist to wet (ADVANCE OUTWASH)
ilifcation lines are approximate. In -situ, the transition may be gradual.
5 I Advancement Method:
Hollow Stem Auger
Abandonment Method:
Borings backfilled with bentonite chips upon completion
' WATER LEVEL OBSERVATIONS
Groundwater not encountered
5
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Hammer Type: AutomaW SP I Hammer
See Exhibit A-4 for description of field
Notes:
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
abbreviations.
Elevations were interpolated from a topographic
Boring Started: 10/26/2016
Irerracon
Drill Rig: Track
21905 64th Ave W Ste 100
Mountlake Terrd4a: WA
Project No.: 81165135
Boring Completed: 10/26/2016
Driller: Holocene
Exhibit: A-6
BORING LOG NO. B-2
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
0 LOCATION See Exhibit A-2
O ri
O Latitude:47,3343° Longitude:-122.3129° _
W w
Of Surface Elev.: 438 (FL) o
DFPTH ELEVATION Ft.
SILTY -CLAYEY SAND WITH GRAVEL. M , brown, very dense,
moist to wet (ADVANCE OUTWASH) (continued)
0 411 _
SILTY G VEL ISM), with cobbles, brown, very dense,
moist (ADVANCE OUTWASH) _
3�
406.5
Boring Terminated at 31.3 Feet
Stratification firisS are
i Advancement Method:
Hollow Stem Auger
In -situ, the transition may be gradual.
Abandonment Method:
Borings backfilled with bentonite chips upon completion
r
WATER LEVEL OBSERVATJONS
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Hammer i ype:.vuwmauc ar r namrner
See Exhibit A-4 for description of field
Notes:
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
abbreviations.
Elevations were interpolated from a topographic
iBoring Started: 10/26/2016
1rerracon
Drill Rig: Track
21905 64th
Ave W Ste 100
Mountlake Terrace, WA
Project No.: 81165135
3oring Completed: 10/26/2016
Driller: Holocene
Exhibit: A-6
J F
BORING LOG NO. B-3
Pa e 1 of 1
PROJECT:
StorQuest Federal Way
CLIENT: William
Warren
Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
o
LOCATION See Exhibit A-2
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Latitude: 47.3341°
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17
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11 15 20-32-46 S-3 6
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Svatificabon lines are approximate. In -situ, the transition may be gradual,
Hammer Type: Ai.Itomatic SPIT Hammer
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Hollow Stem Auger
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
Abandonment Method:
See Appendix C for explanation of symbols and
Borings backfilled with bentonite chips upon completion
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
Boring Started: 10/26/2016
-Boring Completed: 10/26/2016
Q 19.5' - Perched Groundwater While Drilling
Irerracon
Drill Rig: Track
Driller: Holocene
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Project No : 81165135
Exhibit: A-7
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Page 1 of 1
PROJECT: StorQuest Federal Way
CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
c9
LOCATION See Exhibit A-2
w Z
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2Latitude:
47.3342' Longitude:-122.3124°
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14
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a
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°
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- -
-
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14
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18
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11.5 422.,�
SILTY SAND WITH GfiAVEL($Ml, brown, medium dense, moist
O
a
14.0 420
f
SILTY §MQ WITH GRAVEL t811[I1, with cobbles, brown, very dense,
°
moist (ADVANCE OUTWASH)
1
3
18-36-38
S-6
N=74
17
12-21-29
S-7
8
18.0 416
Boring Terminated at 18 Feet
Stratification lines are approximate. In -situ, the transition may be gradual. Hammer Type: Automatic SPT Hammer
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Hollow Stem Auger
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Borings beckfilled with bentonite chips upon completion
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
Irerracon
Boring Started: 10/26/2016
Boring Completed: 10/26/2016
Groundwater not encountered
Drill Rig: Track
Driller: Holocene
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Project No.: 81165135
Exhibit: A-8
0
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TEST PIT LOG NO. TP-1
Page 1 of 1
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
CD
LOCATION See Exhibit A-2
w Z
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<m
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DEPTH ELEVATION Ft.
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SILTY GRAVELLY SAND, with wood, roots, brown -gray, loose to
medium dense, moist to wet (FILL)
r
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6.5 426.5
I°
SIL SAND WITH GRAVEL, with wood and organics, brown -black,
101
I�
loose, wet (FILL/TOPSOIL)
al
!9.0 424
SILTY SAND WITH GRAVEL 4SM1, tan -brown, medium dense, moist
1y
S-3
6
11.0 42
0
SILTY SAND WITH GRAVEL (_SMI, brown -gray, dense to very dense,
moist (ADVANCE OUTWASH)
12.5 420.5
Test Pit Terminated at 12.5 Feet
Stratification lines are approximate. In -situ, the transition may be gradual.
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Excavator
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Backfilled with soil in lifts and tamped with bucket.
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
Irerracon
Test Pit Started: 12/16/2016
'Test Pit Completed: 12/16/2016
Operator: NW Excavating
Groundwater not encountered
Excavator:
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Project No.: 81165135
Exhibit: A-9
W
i
TEST PIT LOG NO. TP-2
Page 1 of 1
PROJECT: StorQuest Federal Way
CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
c7
LOCATION See Exhibit A-2
W z
0-
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OU
Latitude:47.3341° Longitude:-122.3125°
_
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DEPTH ELEVATION Ft.
✓
SILTY GRAVELLY SAND, with organics, brown -gray, loose to medium
dense, moist (FILL)
a
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-
= -'
6.5 RELICRELIC!OP50UL, with roots 436.5
SILTY S ND WITH GRAY M , brown -gray, medium dense, moist
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9.5 427.5
SILTY SAND WITH GRAVEL (;�M1, brown -gray, dense to very dense,
°
moist (ADVANCE OUTWASH)
11.5 425.5
s°a
S-3
Test Pit Terminated at 11.5 Feet
Stratification lines are approximate. In -situ, the transition may be gradual.
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Excavator
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Backfilled with soil in lifts and tamped with bucket.
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVATIONS
Test Pit Started: 12/16/2016
Test Pit Completed: 12/16/2016
Groundwater not encountered
(Excavator:
1 rerracon
Operator: NW Excavating
21905 64th Ave W Ste 100
Mountlake Terrace, WA (Project
No.: 81165135
Exhibit: A-10
fl
c
LL
TEST PIT LOG NO. TP-3 Page. 1 of 1
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
0
0
LOCATION See Exhibit A-2
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DEPTH ELEVATION Ft.
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SILTY GRAVELLY SAND, with organics, brown -gray, loose to medium
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a
S-i
5
°
6.0 428
5.5 RELIC TOPSOIL, with roots 427.5
SILTY SAND WITH GRAVEL SM , tan -brown, medium dense, moist
0
.S" 2
0.0 425
SAND WITH AND W , brown -gray, dense to very
dense, moist (ADVANCE OUTWASH)
111.0 423
i�
S-3
.6'4
Test Pit Terminated at 11 Feet
Stratification lines are approximate. In-511u, the transition may be gradual.
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Excavator
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Backfilled with soil in lifts and tamped with bucket,
abbreviations.
Elevations were interpolated from a topographic
WATER LEVEL OBSERVA'nONS
To# Pit Started: 12/16/2016
T661 Pit Completed: 12/16/2016
Groundwater not encountered
1rerracon
Excavator:
Operator: NW Excavating
21905 64th Ave W Ste 100
Mountlake Terrace, WA
Prajedt No.: 81165135
Exhibit: A-11
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TEST PIT LOG NO. TP-4 Page 1 of 1
PROJECT: StorQuest Federal Way CLIENT: William Warren Group
SITE: 298th Block Pacific Highway South
Federal Way, Washington
LOCATION See Exhibit A-2
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Latitude:47.3343' Longitude:-122.3126°
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DEPTH ELEVATION Ft.
w
SILTY GRAVELLY SAND, with organics, brown, loose to medium
°
dense, moist (FILL)
15 432.5
SILTY SAND VLgTH GR6YE_L (SM), tan -brown, medium dense, moist
5
9:5 429.5
SAND WITH Si T AND GRAVEL SWSM , brown -gray, dense to very
dense, moist (ADVANCE OUTWASH)
}
S-1 _
95 426.5
Test Pit Terminated at 9.5 Feet
Stratification lines are approximate. In -situ, the transition may be gradual.
Advancement Method:
See Exhibit A-4 for description of field
Notes:
Excavator
procedures
See Appendix B for description of laboratory
procedures and additional data (if any).
See Appendix C for explanation of symbols and
Abandonment Method:
Backfilled with soil in lifts and tamped with bucket.
abbreviations.
Elevations were interpolated From a topographic
WATER LEVEL OBSERVATIONS
Test Pit Started: 12/16/2016
'Test Pit Completed: 12/16/2016
Groundwater not encountered
Irerracon
Excavator:
Operator: NW Excavating
21905 64th Ave W Ste 100
Mountlake Terrace, WA llProject
No.: 81165135
Exhibit: A-12
APPENDIX B
LABORATORY TESTING
�I
J
Geotechnical Engineering Report Irerracon
StorQuest Self Storage , Federal Way, Washington
January 11, 2017 Terracon Project No. 81165135
Laboratory Testing Description
As part of the testing program, all samples were examined in the laboratory by experienced
personnel and classified in accordance with the attached General Notes and the Unified Soil
Classification System based on the texture and plasticity of the soil. The group symbol for the
Unified Soil Classification System is shown in the appropriate column on the exploration logs
and a brief description of the classification system is included with this report in the Appendix.
At that time, the field descriptions were confirmed or modified as necessary and an applicable
laboratory testing program was formulated to determine index properties of the subsurface
materials.
Laboratory tests were conducted on selected soil samples and the test results are presented in
this appendix. The laboratory test results were used for the geotechnical engineering analyses,
and the development of foundation and earthwork recommendations. Laboratory tests were
performed in general accordance with the applicable ASTM, local or other accepted standards.
Selected soil samples obtained from the site were tested for the following engineering
properties:
In -situ Water Content
Grain Size Distribution
J1Responsive x Resourceful ■ Reliable Exhibit B-1
GRAIN SIZE DISTRIBUTION
ASTM D422 / ASTM C136
NEI
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GRAIN SIZE DISTRIBUTION
ASTM D422 / ASTM C136
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1
Millillismilli
1
1111111111
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11
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11
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1111111111110111111
Mountlake Terrace, WA EXHIBIT: B-3
1
APPENDIX C
SUPPORTING DOCUMENTS
1
j
I
I
I
j
GENERAL NOTES
DESCRIPTION OF SYMBOLS AND ABBREVIATIONS
Water Initially
N Standard Penetration Test
Encountered
Resistance (Blows/Ft.)
Water Level After a
(HP) Hand Penetrometer
Specified Period of Time
J
W
Water Level After
N
(T) Torvane
Z
J
Modified
California Grab
H
W
J
a Specified Period of Time
W
a
Ring Sample
Water levels indicated on the soil boring
Q
(DCP) Dynamic Cone Penetrometer
Sampler
W
logs are the levels measured in the
J
Q
Q
borehole at the times indicated.
W
Detector
fn
split spoon
FAFA
�
Groundwater level variations will occur
li
(PID) Photo -Ionization
over time. In low permeability soils,
accurate determination of groundwater
(OVA) Organic vapor Analyzer
levels is not possible with short term
water level observations.
DESCRIPTIVE SOIL CLASSIFICATION
Soil classification is based on the Unified Soil Classification System. Coarse Grained Soils have more than 50% of their dry
weight retained on a #200 sieve; their principal descriptors are: boulders, cobbles, gravel or sand. Fine Grained Soils have
less than 50% of their dry weight retained on a #200 sieve; they are principally described as clays if they are plastic, and
silts if they are slightly plastic or non -plastic. Major constituents may be added as modifiers and minor constituents may be
added according to the relative proportions based on grain size. In addition to gradation, coarse -grained soils are defined
on the basis of their in -place relative density and fine-grained soils on the basis of their consistency.
LOCATION AND ELEVATION NOTES
Unless otherwise noted, Latitude and Longitude are approximately determined using a hand-held GIPS device. The accuracy
of such devices is variable. Surface elevation data annotated with +/- indicates that no actual topographical survey was
conducted to confirm the surface elevation. Instead, the surface elevation was approximately determined from topographic
maps of the area.
RELATIVE DENSITY OF COARSE -GRAINED SOILS
CONSISTENCY OF FINE-GRAINED SOILS
(50% or more passing the No. 200 sieve.)
(More than 50% retained on No. 200 sieve.)
Consistency determined by laboratory shear strength testing, field
Density determined by Standard Penetration Resistance
visual -manual procedures or standard penetration resistance
Descriptive Term
Standard Penetration or
Ring Sampler
Descriptive Term
Unconfined Compressive
Standard Penetration or
N-Value
Ring Sampler
(Density)
Bl Blows/Ft.
Blows/Ft.
(Consistency)
Strength Qu, (psi)
Blows/Ft.
Blows/Ft.
W
l'—
Very Loose
0-3
0 - 6.
Very Soft
less than 3.50
0-1
< 3
2
_
Loose
7-18
Soft
2-4
3-4
H
(�
4-9
Z
19 - 58
Medium Dense
10 - 29
Medium -Stiff
4-8
5-9
I—
U)
Dense
30 - 50
59 - 98
Stiff
8 - 15
10 -18
Very Dense
> 50
> 99
Very Stiff
15 - 30
19 - 42
Hard
> 55.5
> 30
> 42
REWIVE PROPORTIONS OF
ND AND GRAVEL
GRAIN
SIZE TERMINOLOY
Descriptive Tenn(sl
Percent of
Major Component
Particle Size
otherof constituents
Dry Weight
of Sample
Trace
< 15
Boulders
Over 12 in. (300 mm)
With
15 - 29
Cobbles
12 in. to 3 in. (300mm to 75mm)
Modifier
> 30
Gravel
3 in. to #4 sieve (75mm to 4.75 mm)
Sand
#4 to #200 sieve (4.75mm to 0.075mm
Silt or Clay
Passing #200 sieve (0.075mm)
RELATI PORTIONS OF FINE
PLASTICITY DESCRIPTI N
Descriptive Term(sl
Percent of
Term
Plasticity Index
of other constituents
Dry Weight
Non -plastic
0
Trace
< 5
Low
1 - 10
With
5-12
Medium
11 - 30
Modifier
> 12
High
> 30
rerracon Exhibit: C-1
_1
UNIFIED SOIL CLASSIFICATION SYSTEM
Soil Classification
Criteria for Assigning Group Symbols and Group Names Using Laboratory Tests A
Group
Symbol
Group Name
Gravels:
Clean Gravels:
Cu >> 4 and 1 < Cc < 3 E
GW
Well -graded gravel
Cu < 4 and/or 1 > Cc > 3 E
GP
Poorly graded gravel
More than 50% of
Less than 5% fines c
Gravels with Fines:
Fines classify as ML or MH
GM
Silty gravel ' '
coarse fraction retained
Coarse Grained Soils:
on No. 4 sieve
More than 12% fines c
Fines classify as CL or CH
GC
Clayey gravel " '"
More than 50% retained
Sands:
Clean Sands:
Cu >_ 6 and 1 <_ Cc <_ 3 E
SW
Well -graded sand
on No. 200 sieve
50% or more of coarse
Less than 5% fines °
Cu < 6 and/or 1 > Cc > 3 E
SP
Poorly graded sand
fraction passes No. 4
Sands with Fines:
Fines classify as ML or MH
SM
Silty sand e'"E
sieve
More than 12% fines °
Fines classify as CL or CH
SC
Clayey sandy-'u
PI > 7 and plots on or above "A" line
CL
Lean clay 'M
Silts and Clays:
Inorganic:
Silt U,-m —
PI < 4 or plots below "A" line j
ML
Liquid limit - oven dried
Liquid limit less than 50
Organic clay M"
Fine -Grained Soils:
Organic:
<0.75
OL
Liquid limit - not dried
Organic silt �c4M,o
50% or more passes the
PI plots on or above "A" line
CH
KW
Fat clay
No. 200 sieve
Silts and Clays:
Inorganic:
PI plots below "A" line
MH
Elastic SiItK'L''"
Liquid limit - oven dried
Organic clayKLM'p
Liquid limit 50 or more
Organic:
<0.75
OH
Liquid limit -not dried
Organic siltK-w
Highly organic soils:
Primarily organic matter, dark in color, and organic odor
PT
Peat
A Based on the material passing the 3-inch (75-mm) sieve
" If fines are organic, add "with organic
fines" to group name.
B If field sample contained cobbles or boulders, or both, add "with cobbles
' If soil contains >_ 15% gravel, add "with gravel"
to group name,
or boulders, or both" to group name.
J If Atterberg limits plot in shaded area, soil is a
CL-ML, silty clay.
c Gravels with 5 to 12% fines require dual symbols: GW-GM well -graded
" If soil contains 15 to 29% plus No. 200, add "with sand" or "with gravel,"
gravel with silt, GW-GC well -graded gravel with clay, GP -GM poorly
whichever is predominant.
graded gravel with silt, GP -GC poorly graded gravel with clay.
L If soil contains >_ 30% plus No. 200
predominantly sand, add "sandy" to
° Sands with 5 to 12% fines require dual symbols: SW-SM well -graded
group name,
sand with silt, SW -SC well -graded sand with clay, SP-SM poorly graded
M If soil contains >_ 30% plus No. 200,
predominantly
gravel, add
sand with silt, SP-SC poorly graded sand with clay
"gravelly" to group name.
z
(D30)
" PI >_ 4 and plots on or above "A" line.
°
E Cu = D60010 Cc =
PI < 4 or plots below "A" line.
D10 x D60
P PI plots on or above "A" line.
F If soil contains >_ 15% sand, add "with sand" to group name.
° PI plots below "A" line.
c If fines classify as CL-ML, use dual symbol GC -GM, or SC-SM.
60
For classification of fine-grained
soils and fine-grained fraction
50 of coarse -grained soils
SKIP �{.Q
Equation of "A" - line
rLr` r�.
r' 4
a- Horizontal at PI=4 to LL=25.5.
X 40 then PI=0.73 (LL-20)
OX —
W
p Equation of "U" - line
�p�
_Z Vertical at LL=16 to PI=7,
G
} 30 - then PI=0.9 (LL-8)
H
to 20 GNI
'1
MH or OH
f,•",�ZZ
CL
10 �f
4 -- �- " L ML or OL
j
0
0 10 16 20 30 40 50 60 70 80 90
100
110
LIQUID LIMIT (LL)
Irerracon
Exhibit C-2
tCCF1NICP
REPORT
0R
February 15, 2017 Prepared for:
City of Federal Way
33325 8th Ave. S
Federal Way, WA 98003
NAVIX
SITE � CIVI_
A Its
Reviewed by:
lenelle Taflin, P.E., LEED
Principal
jenelle@navixeng.com
11400 s.e. 8th street, suite 345 t 425,453.9501
bellevue, wa 98004 f 425.453.8208
navixeng.com a info@navixeng.com
TECHNICAL INFORMATION REPORT
TABLE OF CONTENTS
SECTION PAGE
PROJECTOVERVIEW.............................................................................................................................. 2
1. TIR WORKSHEET........................................................................................................................5
2. SITE LOCATION........................................................................................................................10
3_ DRAINAGE BASIN, SUBBASINS, AND SITE CHARACTERISTICS..................................................11
4. SOILS...........................................................................................................I...I........................11
rnNDITinN-S AND RFOUIREMENTS SUMMARY.................................................................................13
OFFSITEANALYSIS................................................................................................................................17
FLOW CONTROL, LID, AND WATER QUALITY FACILITY ANALYSIS AND DESIGN ...............................
22
1. EXISTING SITE HYDROLOGY.....................................................................................................22
2. DEVELOPED SITE HYDROLOGY.................................................................................................
23
3. FLOW CONTROL FACILITIES.....................................................................................................24
4. WATER QUALITY FACILITY.......................................................................................................
31
5. 100-YEAR FLOOD FIRM MAP/OVERFLOW CONDITION...........................................................34
CONVEYANCE SYSTEM ANALYSIS AND DESIGN.................................................................................
34
SPECIALREPORTS AND STUDIES ............................................ _...........................................................
34
OTHERPERMITS..................................................................................................................................
35
CSWPPANALYSIS AND DESIGN.__... .................................................................................................
36
ESC PLAN ANALYSIS AND DESIGN (PART A)...................................................................................36
1. EROSION RISK ASSESSMENT..............................................................................................
36
2. CONSTRUCTION SEQUENCE AND PROCEDURE.................................................................36
3. TRAPPING SEDIMENT. ............................................................................ ..........................
36
4. WET WEATHER TESC.........................................................................................................37
SWPPSPLAN DESIGN (PART B).....................................................................................................37
BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF COVENANT ............................. 42
OPERATION AND MAINTENANCE GUIDELINES.................................................................................. 42
APPENDIX: A— EXHIBITS OF EXISTING CONDITIONS AND GRADING AND DRAINAGE PLAN
B — SPECIAL REPORTS AND STUDIES
C — CSWPPP WORKSHEETS
NAVIX StorQuest Federal Way Page 1
TECHNICAL INFORMATION REPORT
PROJECT OVERVIEW
DESIGN CRITERIA
The stormwater management facilities have been designed to the 2016 King County Surface Water
Design Manual (2016 Manual) per City of Federal Way Requirements.
r 2016 MANUAL •
Duration Analysis: Conservation Flow Control
2-year: Match existing site conditions
10-year: Match existing site conditions
Water Quality Menu: Enhanced Basic
Downstream Analysis: X mile
Since the project proposes more than 2,000 SF of new impervious area, a Full Drainage Review will be
required.
EXISTING CONDITIONS
1 The proposed project is located at 29600 Pacific Ave S in Federal Way (King County), Washington. The
1{ site is approximately 1.05 acres and is currently undeveloped with trees and sparse vegetation. The
site is rectangular in shape and is bordered to the north by an existing motel, to the east by Pacific Hwy
- S, to the south by an undeveloped parcel, and to the west by 16th Ave S.
Per the Geotechnical Engineering Report by Terracon Consultants, Inc., dated January 11, 2017, the on -
site soils consist of granular recessional outwash deposits in the central and western portions of the
J site and undocumented fill underlain by recessional outwash in the eastern portion of the site.
Previous grading activities created an approximately 1.5HAV to 2H:1V slope that extends from the
western property line down to a 4' high existing rockery in the western portion of the site. The
remainder of the site is a relatively flat pad, which gently slopes to the east. A drainage Swale from
previous grading and erosion control efforts directs surface runoff to a depression at the southeast
J corner of the site.
The project site is in a Level 2 Flow Control Area, and per the requirements of the 2016 Manual, the
pre -developed conditions were modeled as fully forested.
JThe ground surface varies from approximately elevation 475 feet in the southwest corner, elevation
464 feet in the northeast corner, and elevation 428 feet along the eastern perimeter. The site slopes
down 20' to 30' at approximately 3:1 from the western property line to the existing rock wall. A
Jsecond rockery extends along the northern property line and varies from 3' to 10' in height. Site
grades slope toward an existing shallow swale that directs runoff to a depression at the southeast
corner of the site.
J
NAVIX StorQuest Federal Way Page 2
TECHNICAL INFORMATION REPORT
-} PRE -DEVELOPMENT STORMWATER RUNOFF
Runoff from the site sheet flows to an existing drainage ditch, which conveys the runoff to a small
depression at the southeast corner of the project site. The depression extends to the adjacent
property to the south and collects runoff from approximately 0.5 acres from the adjacent parcel. The
depression drains to an existing 12" on -site culvert that is routed to the municipal storm system in
Pacific Hwy S via a catch basin in the ROW sidewalk in front of the project site.
A small portion of the runoff from the undeveloped portion sheet flows onto Pacific Hwy S and enters
the municipal storm system directly.
DEVELOPED CONDITIONS
The project proposes to construct a 3-story plus grade -plane basement self -storage building with
associated parking, stormwater management facilities, utilities, and on -site landscaping. The building
g footprint is approximately 25,211 SF, and the gross floor area is approximately 100,450 SF. The
J western rockery and existing stormwater culvert will be demolished as part of this development. The
total proposed building area is approximately 0.58 acres, and the proposed pollution -generating
Jimpervious area is 0.18 acres.
NAVIX StorQuest Federal Way Page 3
TECHNICAL INFORMATION REPORT
Per the 2016 Manual, enhanced water quality treatment is required for all pollution generating
surfaces prior to discharge from the project site as specified in Core Requirement #8 and Special
Requirement #5. Site stormwater runoff is comprised of Non -Pollution Generating Impervious
Surfaces (NPGIS) and Pollution Generating Impervious Surfaces (PGIS). NPGIS areas include sidewalk
and roof runoff. PGIS areas include all paved roadway surfaces.
POST -DEVELOPMENT STORMWATER RUNOFF
Stormwater will be managed on the project site in accordance with the standards of the 2016 Manual.
Stormwater runoff will be managed by the following stormwater facilities:
This project is subject to Enhanced Basic Water Quality treatment. However, per Exception 2 of
Section 1.2.8.1 of the 2016 Manual, all runoff that is fully infiltrated in accordance with the 2016
Manual may be treated Basic Water Quality facility in lieu of Enhanced Basic. The stormwater runoff
from the proposed PGIS areas totals approximately 0.18 acres. This runoff will be captured and
conveyed through a series of catch basins and closed conveyance pipes to a single StormFilter Catch
Basin facility for Basic Water Quality treatment before discharging to the on -site CMP infiltration
facility for flow control. The proposed NPGIS roof area will be routed directly to the CMP infiltration
facility.
The CMP infiltration facility is designed to meet Conservation Flow Control in accordance with the
2016 Manual. The CMP infiltration will infiltrate the 100-year peak developed flow. For flows larger
than the 100-year event, the facility will include an emergency overflow structure that will connect to
the municipal storm system in Pacific Hwy S at the site's natural discharge location.
To meet Core Requirement #9, this project is subject to the Large Lot BMP Requirements for projects
that will result in an impervious surface coverage of greater than 65% on the buildable portion of the
site. For this project, the target impervious surface for this requirement is 10% of the total site area
(0.10acres). Full Dispersion was not determined to be feasible for this project due to inadequate flow
path length. Infiltration was determined to be feasible for this project, per the Preliminary Stormwater
Infiltration Addendum by Terracon Consultants, Inc., dated February 3, 2017.
The minimum required target impervious surface (0.1 acres) for Core Requirement #9 was met by
routing runoff from the entire site (1.05 acres) to the CMP infiltration facility, which was sized using
WWHM per the requirements of the 2016 Manual.
J
i
J
J
J NAVIX StorQuest Federal Way Page 4
TECHNICAL INFORMATION REPORT
KING COUNTY. WASHINGTON. SURFACE WATER DESIGN MANUAL
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
I Part 1 PROJECT OWNER AND
PROJECT ENGINEER
Project Owner William Warren Group_
Phone
Address
Project Engineer Jenelle Taflin. P.E.
Company Navix Engineering
Phone 425-453-9501x1515
Part 3 TYPE OF PERMIT APPLICATION
❑ Landuse Services
Subdivison / Short Subd. / UPD
0 Build' rvices
M/F ommerica SFR
❑ Clearing and Grading
❑ Right -of -Way Use
❑ Other
Part 5 PLAN AND REPORT INFORMATION
Technical Information Report
Type of Drainage Review Full ? Targeted /
(circle): Large Site
Date (include revision
dates):
Date of Final:
Part 2 PROJECT LOCATION AND
DESCRIPTION
Project Name StorQuest Federal Way
DDES Permit # N/A
Location Township 21 N
Range 4E
Section
Site Address 29600 Pacific Hwy S
Federal Way, WA 98003
Part 4 OTHER REVIEWS AND PERMITS
❑
DFW HPA
❑ Shoreline
❑
COE 404
Management
❑
DOE Dam Safely
❑ Structural
Rockery/Vault/
❑
FEMA Floodplain
❑ ESA Section 7
❑
COE Wetlands
❑
Other
Site improvement Plan (Engr. Plans)
Type (circle one): Full / Modified /
Small Site
Date (include revision
dates):
Date of Final:
Part 6 ADJUSTMENT APPROVALS
Type (circle one): Standard / Complex / Preapplicalion / Experimental / Blanket
Description: (include conditions in TIR Section 2)
Date of Approval:
2009 Surface Water Design Manual
I i 912009
NAVIX StorQuest Federal Way Page 5
TECHNICAL INFORMATION REPORT
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.
Part 8 SITE COMMUNITY AND DRAINAGE BASIN
Community Plan: NIA
Special District Overlays:
Drainage Basin: Lower Puget Sound Basin
Stormwater Requirements: No additional requirements.
Part 9 ONSITE AND ADJACENT SENSITIVE AREAS
❑ River/Stream
NIA
® Steep Slope Lflcaled aIon western property line
❑ Lake
NIA
❑ Erosion Hazard
NIA
❑ Wetlands
NIA
❑ Landslide Hazard
NIA
❑ Closed Depression
NIA
❑ Coal Mine Hazard
_ NIA
❑ Floodplain
NIA
❑ Seismic Hazard
NIA —
_ _- _
❑ Other
—
❑ Habitat Protection
NIA
-
--
❑
-
Part 10 SOILS
Soil Type
Slopes
Erosion Potential
Undocumented Fill
NIA
Low
Recessional Outwash
Steep Low - well vegetated and stable
❑ High Groundwater Table (within 5 feet)
❑ Other
2009 Surface Water Design Manual
2
LJ Sole Source Aquifer
❑ Seeps/springs
NAVIX StorQuest Federal Way Page 6
TECHNICAL INFORMATION REPORT
KING COUNTY. WASHINGTON. SURFACE WATER DESIGN MANUAL
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
Part11 DRAINAGE DESIGN LIMITATIONS
REFERENCE
❑ Cnre 2 — Offshe Arta1 SAS
❑ Pn%i1ivP/( rifical Areas
❑ SFPA
❑ Other
❑ Additional Sheets Attached
LIMITATION / SITE CONSTRAINT
N/A
N/A
N/A
N/A
Part 12 TIR SUMMARY SHEET
provide one TIR Summa Sheet r Thresl+old Discha a Area
Threshold Discharge Area:
Warne or description)
Core Requirements (all 8 apply)
Di s cha rq a at Natural Lecal Ion
Number of Natural Discharge Locations: 2 t1 iuTratlan and City system)
Offsite Analysis
Level: 1 / 2 i 3 dated: 1Dr25/2016
Flow Controi
Level: 1 / 2 / 3 or Exemption Number
(inc 1. 1 a ci lity sum ma ry sheet
Small Site BMPs
Conveyance System
Spill containment located at: N/A
Erosion and Sediment Control
ESC Site Supervisor: TBO
Contact Phone:
After Hours Phone:
Maintenance and Operation
Responsibility: Private Public
If Private. Maintenance Log Required: Yes No
Financial Guarantees and
Provided: Yes No
Liabili
Water Quality
Type: Basic; 3 Sens. Lake 1 nhanced Basic 1 Bog
(include facility summary sheet)
or Exemption No.
Landsca a Management Plan: Yes No
Special Requirements as applicable)
Area Specific Drainage
Type: CDA / SDO / MDFQBPLMP1 Shared Fat. / None
Requirements
Name: Lower Puciet Soun asin Plan - nospecific requirements
Floodplain/Floodway Delineation
Type: Major / Minor / Exemption / None
100-year Base Flood Elevation (or range):
Datum:
Flood Protection Facilities
Describe: N/A
Source Control
Describe landuse: Commercial
(comm./industrial landuse)
Describe any structural controls:
2009 Surface Water Design Manual
3
I i 9/2009
NAVIX StorQuest Federal Way Page 7
TECHNICAL INFORMATION REPORT
KING COUNTY. WASHINGTON. SURFACE WATER DESIGN MANUAL
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
Oil Control High -use Site; Yes f Na
Treatment BMP:
Maintenance Agreement: Yes���
with whom?
Describe:
Part 13 EROSION AND SEDIMENT CONTROL REQUIREMENTS
MINIMUM ESC REQUIREMENTS
MINIMUM ESC REQUIREMENTS
DURING CONSTRUCTION
AFTER CONSTRUCTION
0 Clearing Limits
0 Stabilize Exposed Surfaces
0 Cover Measures
0 Remove and Restore Temporary ESC Facilities
0 Perimeter Protection
0 Clean and Remove All Silt and Debris, Ensure
0 Traffic Area Stabilization
Operation of Permanent Facilities
0
❑ Flag Limits of SAO and open space
Sediment Retention
preservation areas
0 Surface Water Collection
❑ Other
❑ Dewatering Control
0 Dust Control
❑ Flow Control
Part 14 STORMWATER
FACILITY DESCRIPTIONS __(Note: Include Facility Su
mary and Sketch
Flow Control
Type/Description
Water Quality
❑ Blofiltratlon
❑ Wetpool
0 Media Filtration
❑ Oil Control
❑ Spill Control
❑ Flow Control BMPs
❑ Other
Tvoe/Descrition
❑ Detention
0 Infiltration
❑ Regional Facility
❑ Shared Facility
❑ Flow Control
BMPs
❑ Other
CMP inliltration gallery
StormFilter Catch Basin
- -
2009 Surface Water Design Manual
NAVIX StorQuest Federal Way Page 8
TECHNICAL INFORMATION REPORT
KING COUNTY. WASHINGTON. SURFACE WATER DESIGN MANUAL
TECHNICAL INFORMATION REPORT (TIR) WORKSHEET
Part 15 EASEMENTSITRACTS
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
1. 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 information provided here' I _
2/10/2017
S' ate
2009 Surface Water Design Manual
N
U9/2009
NAVIX
StorQuest Federal Way
Page 9
SITE LOCATION
<n
S 293rd St
TECHNICAL INFORMATION REPORT
r r,:
t St
2+td St
�rh
A�
Cl?
vi
Secafawea
Park T'
ILI--
fj
A
PROJECT 0
SITE _
Cn
U, '3 3U-3l d st
5 3L`•'th St
ro
>
<a
:u
rVircer:t De C0 C
S 295th St
V
r~i �
n B S 293th Si
S 300th ST
w
a
L
y
�.l
�- s
U, 1
S ?C4th St
Figure 1: Vicinity Map
Location: 29600 Pacific Hwy S in Federal Way, WA.
Section, Township, Range: SW 1/4, SEC. 4, TOWNSHIP 21N, RANGE 4E, W.M.
Parcel/Tax Lot: 0421049035
Size: Approximately 1.05 acres
City, County, State: Federal Way, King County, Washington
Governing Agency: City of Federal, Way
NAVIX StorQuest Federal Way Page 10
TECHNICAL INFORMATION REPORT
DRAINAGE BASIN, SUBBASINS, AND SITE CHARACTERISTICS
DRAINAGE BASIN
The projects site is located within the Lower Puget Sound Basin and is subject to Level 2 Flow Control
and Enhanced Basic water quality treatment. The Hylebos Creek and Lower Puget Sound Basin Plan
contains area -specific regulations. The proposed development meets all stormwater management
requirements for this drainage basin as described in the Basin Plan and noted below.
7R+��11�1y1I t1l .a 1 ,lil l N lrr lY.`
+ 111 ■ fE�rrfj Ifd-i� _
111='Ms
�f it >G ■s!� *"�'���w
y�•�i�.���5 �+� =�"� - � [pper� �
MIS,
r � -
SUBBASINS
A single basin is present in the existing conditions, which will be maintained in the developed
conditions.
SOILS
Per the Geotechnical Engineering Report by Terracon Consultants, Inc., dated January 11, 2017, the on -
site soils consist of granular recessional outwash deposits in the central and western portions of the
site and undocumented fill underlain by recessional outwash in the eastern portion of the site. On the
eastern side of the site, silty sand with gravel extends approximately 14 feet below grade and is
underlain by recessional outwash. The undocumented fill layer extends from 0.5' deep in the central
portion of the site to 11.5' deep at the western portion of the site.
The project proposes to cut into the steep slope along the western property line and reduce the
existing slope to a proposed slope of 2H:1V maximum, per the recommendations in the Geotechnical
NAVIX
StorQuest Federal Way
Page 11
TECHNICAL INFORMATION REPORT
Report and requested in the Modification Request Letter, included in the Land Use Submittal for this
project. To protect the existing steep slopes during construction, the recommendations of the
Geotechnical Report include keeping vegetation in place, providing erosion protection matting, and
providing other TESC measures to limit the potential for erosion. Vegetation shall be reestablished
immediately after bringing the surface to final grades to stabilize the slope.
Groundwater was observed on -site at a depth of 19.5' in one boring (B-3). However, groundwater was
not observed in the full depth boring (B-4), which extended approximately 5.5' below the elevation of
the proposed infiltration facility.
Per the Preliminary Stormwater Infiltration Addendum by Terracon Consultants, Inc., dated February 3,
2017, a preliminary infiltration rate of 3 inches per hour may be used for the preliminary design of the
on -site infiltration facility. The preliminary infiltration rate will be verified with additional on -site soil
testing, and the design infiltration rate will be calculated by the geotechnical engineer in accordance
with the requirements of the 2016 Manual. The verified design infiltration rate will be utilized in the
next submittal of the storm report.
I
JNAVIX StorQuest Federal Way Page 12
TECHNICAL INFORMATION REPORT
CONDITIONS AND REQUIREMENTS SUMMARY
As required by the 2016 King County Surface Water Design Manual, this project is subject to a Full
Drainage Review. Therefore, the storm drainage design for this project is required to comply with, or
explain exemptions for, all nine (9) Core Requirements as well as all five (5) Special Requirements. The
applicable requirements have been met as follows:
CORE REQUIREMENTS
Core Requirement #1: Discharge at Natural Location
All surface and storm water runoff from a project must be discharged at the natural location so as not
to be diverted onto or away from downstream properties. The manner in which runoff is discharged
from the project site must not create a significant adverse impact to downhill properties or drainage
systems.
Response: On -site runoff will be treated and fully infiltrated on -site by means of a CMP infiltration
facility. An emergency overflow structure will be provided for the facility and will discharge higher
flows at the natural discharge location of the municipal storm system in Pacific Highway S east of the
project site. No downstream impacts are anticipated.
Core Requirement #2: Offsite Analysis
All proposed projects must submit an offsite analysis report that assesses potential offsite drainage
impacts associated with development of the project site and propose appropriate mitigations of those
impacts. The initial permit submittal shall include, at a minimum, a Level 1 downstream analysis as
described in Section 1.2.2.1 of the 2016 Manual.
Response: A Level 1 Downstream Analysis was completed for this project. See the Offsite Analysis
section for details.
Core Requirement #3: Flow Control Facilities
All proposed projects, including redevelopment projects, must provide onsite flow control facilities to
mitigate the impacts of storm and surface water runoff generated by new impervious surface, new
pervious surface, and replaced impervious surface targeted for flow mitigation as specified in the
following sections. Flow control facilities must be provided and designed to perform as specified by
the area -specific flow control facility requirement in Section 1.2.3.1 and in accordance with the
applicable flow control facility implementation requirements in Section 1.2.3.2.
�f Response: This project is located in the Level 2 Flow Control Area. A CMP infiltration facility was
designed to fully infiltrate the 100-year flow, per the requirements of the 2016 Manual. An emergency
overflow structure will be provided for the infiltration facility and will connect to the municipal storm
system in Pacific Highway S east of the project site. See the Flow Control and Water Quality Facility
Analysis and Design section for detailed calculations.
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NAVIX StorQuest Federal Way Page 13
TECHNICAL INFORMATION REPORT
Core Requirement #4: Conveyance System
All engineered conveyance system elements for proposed projects must be analyzed, designed, and
constructed to provide a minimum level of protection against overtopping, flooding, erosion, and
structural failure as specified in Sections 1.2.4.1, 1.2.4.2, and 1.2.4.3 of the 2016 Manual.
Response: Please see the Conveyance System Analysis and Design section of this report.
Core Requirement #5: Construction Stormwater Pollution Prevention
All proposed projects that will clear, grade, or otherwise disturb the site must provide erosion and
sediment controls to prevent, to the maximum extent practicable, the transport of sediment from the
project site to downstream drainage facilities, water resources, and adjacent properties. All proposed
projects that will conduct construction activities onsite or offsite must provide stormwater pollution
prevention and spill controls to prevent, reduce, or eliminate the discharge of pollutants to onsite or
adjacent stormwater systems or watercourses. To prevent sediment transport and pollutant
discharges as well as other impacts related to land -disturbing and construction activities, Erosion and
Sediment Control (ESC) measures and Stormwater Pollution Prevention and Spill Control (SWPPS)
measures that are appropriate to the project site must be applied through a comprehensive
Construction Stormwater Pollution Prevention (CSWPP) plan as described in Sections 1.2.5.1 and
1.2.5.3 and shall perform as described in Section 1.2.5.2. In addition, these measures, both temporary
and permanent, shall be implemented consistent with the requirements in Section 1.2.5.3 that apply
to the proposed project.
Response: Construction storm water pollution prevention measures as outlined in the 2016 Manual are
an integral part of the project construction documents. These measures will include methods to reduce
erosion of on -site site soils and to prevent sediment from inadvertently leaving the project site, such a
1 sediment trap, silt fence, straw wattles, inlet protection, and marking clearing limits. Erosion and
sediment control measures will be designed in conformance with City of Federal Way and the 2016
Manual requirements.
Core Requirement #6: Maintenance and Operations
Maintenance and operation of all drainage facilities is the responsibility of the applicant or property
owner, except those facilities for which the City of Federal Way is granted an easement, tract, or right-
of-way and officially assumes maintenance and operation. Drainage facilities must be maintained and
operated in compliance with King County Maintenance Standards.
Response: An Operations and Maintenance Manual is located in Appendix B of this report.
—� Core Requirement #7: Financial Guarantees and Liability
All drainage facilities constructed or modified for projects (except flow control facilities to be privately
maintained) must comply with the financial guarantee requirements and the liability requirements of
the City of Federal Way. There are two types of financial guarantees for projects constructing or
modifying drainage facilities; the drainage facilities restoration and site stabilization guarantee, and the
i drainage defect and maintenance guarantee.
Response: A Bond Quantity worksheet will be provided in the next submittal of the storm report.
NAVIX StorQuest Federal Way Page 14
TECHNICAL INFORMATION REPORT
Core Requirement #8: Water Quality
All proposed projects, including redevelopment projects, must provide water quality (WQ) facilities to
treat the runoff from new and replaced pollution -generating impervious surfaces and pollution -
generating pervious surfaces targeted for treatment. These facilities shall be selected from one of the
area -specific WQ menus described in Section 1.2.8.1 and implemented according to the applicable WQ
implementation requirements in Section 1.2.8.2 of the 2016 Manual.
Response: This site is subject to Enhanced Water Quality Treatment. However, per Exception 2 of
Section 1.2.8.1 of the 2016 Manual, the Enhanced Basic WQ menu may be reduced to the Basic WQ
menu for treatment of any runoff that is infiltrated per Section 5.2 of the 2016 Manual. Full infiltration
of on -site runoff is proposed for this project in accordance with Section 5.2, and soil infiltration
properties will be confirmed by the geotechnical engineer in accordance with the requirements of the
2016 Manual. Therefore, basic water quality treatment will be provided for this site by means of a
Storm Filter Steel Catch Basin facility, which has GULD approval from DOE. See the Water Quality
section for estimated facility sizing calculations.
Core Requirement #9: Flow Control BMPs
All proposed projects, including redevelopment projects, must provide onsite flow control BMPs to
mitigate the impacts of storm and surface water runoff generated by new impervious surface, new
pervious surface, existing impervious surfaces, and replaced impervious surface targeted for mitigation
as specified in the following sections. Flow control BMPs must be selected and applied according to
the basic requirements, procedures, and provisions detailed in this section and the design
specifications for each BMP in Appendix C, Section C.2.
Flow control BMPs are methods and designs for dispersing, infiltrating, or otherwise reducing or
preventing development -related increases in runoff at or near the sources of those increases. Flow
control BMPs include, but are not limited to, preservation and use of native vegetated surfaces to fully
disperse runoff, use of other pervious surfaces to disperse runoff, roof downspout infiltration;
permeable pavements; bioretention; limited infiltration systems; and reduction of development
footprint.
Response: This project is subject to Large Lot BMP requirements. The feasibility and applicability of full
dispersion, full infiltration, and other Flow Control BMPs were evaluated. Infiltration was determined
to be the most feasible Flow Control BMP for this project; a CMP infiltration facility is proposed to meet
Core Requirement #9.
SPECIAL REQUIREMENTS
Special Requirement #1: Other Adopted Area -Specific Requirements
The drainage requirements of adopted CDAs, MDPs, BPs, SCPs, SFDPs, LMPs, FHMPs, and SFDPs shall
be applied in addition to the drainage requirements of the 2016 Manual unless otherwise specified in
the adopted regulation. Where conflicts occur between the two, the drainage requirements of the
adopted area -specific regulation shall supersede those in the 2016 Manual.
NAVIX StorQuest Federal Way Page 15
TECHNICAL INFORMATION REPORT
Response: This project is subject to the Lower Puget Sound Executive Proposed Basin Plan. The
proposed development and stormwater management facilities are in compliance with the Basin Plan.
No additional area -specific requirements are applicable to this project site.
Special Requirement #2: Flood Hazard Area Delineation
Floodplains and floodways are subject to inundation during extreme events. The 100-year floodplains
are delineated in order to minimize flooding impacts to new development and to prevent aggravation
of existing flooding problems by new development. Regulations and restrictions concerning
development within a 100-year floodplain are found in the Sensitive Areas Ordinance.
Response: Per the King County iMAP viewer, shown on page 34 of this report, the project site does not
lie within the 100-year floodplain.
Special Requirement #3: Flood Protection Facilities
Developing sites protected by levees and revetments require a high level of confidence in their
structural integrity and performance. Proper analysis, design, and construction are necessary to
protect against the potentially catastrophic consequences if such facilities should fail.
Response: The project site does not contain any levees or revetments.
Special Requirement #4: Source Controls
Water quality source controls prevent rainfall and runoff water from coming into contact with
pollutants, thereby reducing the likelihood that pollutants will enter public waterways and violate
water quality standards and County stormwater discharge permit limits. The County may require
mandatory source controls at any time through formal code enforcement if complaints or studies
reveal water quality violations or problems.
i Response: Since the project proposes a building and pollution generating impervious surfaces, water
quality source control is proposed as part of the redevelopment. The on -site trash enclosure will be
covered and routed to sanitary sewer.
Special Requirement #S: Oil Control
Projects proposing to develop or redevelop a high -use site must provide oil controls in addition to any
other water quality controls required by the 2016 Manual. Such sites typically generate high
-J concentrations of oil due to high traffic turnover or the frequent transfer of oil.
_1 Response: Per the 2016 Manual, commercial developments with an expected average daily traffic
J (ADT) count of 100 or more vehicles per 1,000 square feet of gross building area are considered high
use sites. This project is not considered a high -use site.
_J
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OFFSITE ANALYSIS
TASK 1: STUDY AREA DEFINITION AND MAPS
Available resources such as the survey and topographic maps were utilized to prepare the downstream
analysis. The study area extended 1/4-mile downstream of the project site, at which point the site
discharge is contained within Redondo Creek. There is a small amount upstream tributary flow to the
project site from the adjacent property to the south, which drains to the existing on -site culvert and is
routed to the municipal system in Pacific Hwy S.
Figure 2 shows the general location of the critical areas relative to the proposed project site. No
sensitive/critical areas are located on -site. An erosion hazard area is located in the vicinity of Redondo
Creek to the north of the project site. However, this project does not propose to develop within the
erosion hazard area or creek; therefore, these sensitive/critical areas will not be impacted by the
proposed development.
Figure 2: Critical Areas Map
TASK 2: RESOURCE REVIEW
The following resources were reviewed for existing/potential problems within the study area:
• Site Survey
• Basin Plan
■ FEMA F.I.R.M.
• Federal Way Critical Area Map
■ Reported Drainage Complaints
• Current DOE 303(d) List
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A review of drainage complaints from the last 10 years within one -quarter mile around the project site,
as supplied by King County, indicates that there have been no relevant complaints related to drainage
or water quality concerns that would impact or be impacted by the development of this site. The only
complaints are records of stormwater audits.
Drainage complaints
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TASK 3: FIELD INSPECTION
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UPSTREAM ANALYSIS
Runoff from approximately 0.5 acres of the adjacent southern property sheet flows to a depression at
the southeast of the project site that straddles the southern property line. The depression drains to an
existing on -site culvert, which routes the runoff to the municipal storm system in Pacific Hwy S. The
culvert will be reconstructed as part of the proposed development, and the ultimate discharge point
will be maintained in the developed condition.
DOWNSTREAM ANALYSIS
A formal downstream analysis has been completed in accordance with the 2016 Manual. The
downstream analysis was completed on October 25, 2016. The temperature was approximately 50
degrees, and it was partly sunny. A map of the downstream path and an analysis of this system for
nearly % mile from the site are provided below.
Figure 3 shows the downstream analysis path from the project site to % mile downstream.
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Figure 3: Downstream Path
As previously discussed, runoff from the site sheet flows to an existing drainage ditch, which conveys
the runoff to a small depression at the southeast corner of the project site. The depression extends to
the adjacent property to the south and collects runoff from approximately 0.5 acres from the adjacent
parcel. The depression drains to an existing 12" on -site culvert that is routed to the municipal storm
system in Pacific Hwy S via a catch basin in the ROW sidewalk in front of the project site.
# Photo Description
��. Looking north at the
southwest property
corner.
On-site stormwater
:t runoff flows from the
on -site drainage ditch
1 the project site to the
depression at the
southwest property
corner. The
depression discharges
to an existing 12" CMP
culvert with CMP
riser.
JNAVIX StorQuest Federal Way Page 19
2
3
4
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TECHNICAL INFORMATION REPORT
Looking north at the
site driveway on
Pacific Hwy S.
The 12" culvert enters
an existing catch basin
in the ROW along
Pacific Hwy S. Runoff
is routed north along
Pacific Hwy S via a 30"
closed conveyance
pipe.
Looking west at the
intersection of Pacific
Hwy S and S Dash
Point Road.
The municipal system
continues north within
Pacific Hwy S and
turns to flow west in S
Dash Point Road in a
30" conveyance pipe.
Looking north at the
intersection of
Redondo Way S and S
Dash Point Road.
The municipal system
continues west within
S Dash Point Road and
turns to flow north in
Redondo Way S,
where it transitions to
a 36" conveyance
pipe.
NAVIX StorQuest Federal Way Page 20
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TECHNICAL INFORMATION REPORT
Looking south at the
36" culvert outfall to
Redondo Creek.
The municipal system
in Redondo Way S
discharges by means
of a 36" culvert into
Redondo Creek.
Looking north at
Redondo Creek.
Redondo Creek
continues to flow
approximately
downstream to the
mile downstream
location.
TASK 4: DRAINAGE SYSTEM DESCRIPTION AND PROBLEM DESCRIPTIONS
There are no known problems with the drainage paths around the site. No downstream impacts from
the proposed project are anticipated.
TASK 5: MITIGATION OF EXISTING OR POTENTIAL PROBLEMS
No existing or potential problems were identified as discussed in Task 4 above; therefore, additional
mitigation is not warranted.
NAVIX
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Page 21
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TECHNICAL INFORMATION REPORT
FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN
EXISTING SITE HYDROLOGY
The site is approximately 1.05 acres of a vacant parcel with trees and vegetation. Rockeries extend
along the northern property line and at the toe of the steep slope along the western property line. The
site generally slopes from west to east, and sheet flows to a drainage Swale. The swale directs runoff
south to the depression at the southeast corner of the project site, where the runoff flows into an
existing culvert and is conveyed to the municipal storm system in Pacific Hwy S.
Approximately 0.5 acres of the adjacent property to the south appears to contribute upstream run-on
to the project site. The adjacent property is vacant and moderately vegetated with significant tree
cover. This run-on flows to the depression at the southeast of the project site and enters into a
culvert. The culvert discharges to the municipal storm system in Pacific Hwy S. The existing pipe will
be reconstructed in the proposed conditions, and this flow path will be maintained. No impacts to the
downstream or upstream conditions are anticipated.
1 The pre -developed conditions are shown in Table 1.
! Table 1
Conditions
Area (AC) Description
0.03 Impervious (rockeries)
1.02 Landscape
l 1.55 Total Basin Area
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TECHNICAL INFORMATION REPORT
IMPERVIOUS SURFACE
0.03 AC
PERVIOUS SURFACE
1.02 AC
Figure 4: Existing Conditions Map
DEVELOPED SITE HYDROLOGY
The project proposes to construct a 3-story plus grade -plane basement, approximately 100,450 SF self -
storage building with associated parking and loading areas, sidewalks, utilities, and stormwater
management facilities. The existing western rockery will be demolished as part of this redevelopment.
Per the 2016 Manual, water quality treatment will be provided for all PGIS prior to infiltration as
specified in Core Requirement #8 and Special Requirement #5. The 0.18 acres of proposed pavement
is considered PGIS and will be routed through a StormFilter Catch Basin facility prior to the CMP
J infiltration facility. Runoff from the 0.05 acres of sidewalks is considered NPGIS and will be also be
routed to the water quality facility. The 0.63 acres of proposed roof area is considered NPGIS and will
be routed directly to the CMP infiltration facility.
JSee Figure 5 for the Developed Conditions Map.
Table 2
_JProposed
Conditions
Area (AC)
Description
J0.18
Pavement (PGIS)
0.58
Building (NPGIS) _
J
0.05
Sidewalks (NPGIS)
0.24
Landscape (Lawn)
J
1.05
Total Basin Area
JNAVIX StorQuest Federal Way Page 23
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TECHNICAL INFORMATION REPORT
AREA
0.18
0.1AC
615 AREA
0.
0.63 AC
PERVIOUS SURFACE
0.24 AC
Figure 5: Developed Conditions Map
FLOW CONTROL FACILITIES
A 140 LF 96" perforated CMP pipe was designed to meet Conservation (Level 2) Flow Control Standards
per the 2016 Manual. The CMP facility was designed to infiltrate runoff from the entire site. A
preliminary infiltration design rate of 3 inches per hour was utilized as recommended in the
Preliminary Stormwater Infiltration Addendum by Terracon Consultants, Inc., dated February 3, 2017.
The infiltration facility was sized using WWHM2012. The project site was modeled in WWHM with a
single point of compliance (POC #1). The predeveloped conditions were modeled as fully forested.
The developed (mitigated) conditions were modeled as noted in Table 2 with a single basin that routes
to POC #1. The infiltration facility was modeled as a 75' x 18' x 7' vault with a total live storage volume
of 9,450 CF. The WWHM model inputs (Predeveloped Conditions and Developed Conditions) and
model output are described below:
JNAVIX StorQuest Federal Way Page 24
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PREDEVELOPED CONDITIONS
Name : Predeveloped
Bypass: No
GroundWater: No
Pervious Land Use
Acres
C, Forest, Flat
1.05
Pervious Total
1.05
Impervious Land Use
Acres
Impervious Total
0
Basin Total
1.05
Element Flows To:
Surface Interflow
DEVELOPED CONDITIONS
Project Name: SQ FW_LU_170207
Site Name:
Site Address:
City
Report Date: 2/8/2017
Gage : Seatac
Data Start : 1948/10/01
Data End : 2009/09/30
Precip Scale: 1.00
Version : 2015/05/26
TECHNICAL INFORMATION REPORT
Groundwater
Low Flow Threshold for POC 1 : 50 Percent of the 2 Year
High Flow Threshold for POC 1: 50 year
MITIGATED LAND USE
Name : Developed
Bypass: No
GroundWater: No
Pervious Land Use
C, Lawn, Flat
Acres
.24
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StorQuest Federal Way
Page 25
Pervious Total 0.24
Impervious Land Use
Acres
ROADS FLAT
0.18
ROOF TOPS FLAT
0.58
SIDEWALKS FLAT
0.05
Impervious Total
0.81
Basin Total
1.05
Element Flows To:
Surface
Interflow
CMP Facility
CMP Facility
Name : CMP Facility
Width : 18 ft.
Length : 75 ft.
Depth: 7 ft.
Infiltration On
Infiltration rate: 3
Infiltration safety factor: 1
Total Volume Infiltrated (ac-ft): 146.322
Total Volume Through Riser (ac-ft): 0
Total Volume Through Facility (ac-ft): 146.322
Percent Infiltrated: 100
Total Precip Applied to Facility: 0
Total Evap From Facility: 0
Discharge Structure
Riser Height: 6.5 ft.
Riser Diameter: 12 in.
Element Flows To:
Outlet 1 Outlet 2
TECHNICAL INFORMATION REPORT
Groundwater
Flow Frequency Return Periods for Predeveloped. POC #1
Return Period
Flow(cfs)
2 year
0.030871
5 year
0.048484
10 year
0.058466
25 year
0.06904
50 year
0.075584
100 year
0.081149
Flow Frequency
Return Periods for Mitigated. POC #1
Return Period
Flow(cfs)
2 year
0
5 year
0
10 year
0
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TECHNICAL INFORMATION REPORT
25 year 0
50 year 0
100 year 0
Vault
Hydraulic
Table
Stage(ft)
Area(ac) Volume(ac-ft)
Discharge(cfs)
infilt(cfs)
0.0000
0.031
0.000
0.000
0.000
0.0778
0.031
0.002
0.000
0.093
0.1556
0.031
0.004
0.000
0.093
0.2333
0.031
0.007
0.000
0.093
0.3111
0.031
0.009
0.000
0.093
0.3889
0.031
0.012
0.000
0.093
0.4667
0.031
0.014
0.000
0.093
0.5444
0.031
0.016
0.000
0.093
0.6222
0.031
0.019
0.000
0.093
0.7000
0.031
0.021
0.000
0.093
0.7778
0.031
0.024
0.000
0.093
0.8556
0.031
0.026
0.000
0.093
0.9333
0.031
0.028
0.000
0.093
1.0111
0.031
0.031
0.000
0.093
1.0889
0.031
0.033
0.000
0.093
1.1667
0.031
0.036
0.000
0.093
1.2444
0.031
0.038
0.000
0.093
1.3222
0.031
0.041
0.000
0.093
1.4000
0.031
0.043
0.000
0.093
1.4778
0.031
0.045
0.000
0.093
1.5556
0.031
0.048
0.000
0.093
1.6333
0.031
0.050
0.000
0.093
1.7111
0.031
0.053
0.000
0.093
1.7889
0.031
0.055
0.000
0.093
1.8667
0.031
0.057
0.000
0.093
1.9444
0.031
0.060
0.000
0.093
2.0222
0.031
0.062
0.000
0.093
2.1000
0.031
0.065
0.000
0.093
2.1778
0.031
0.067
0.000
0.093
2.2556
0.031
0.069
0.000
0.093
2.3333
0.031
0.072
0.000
0.093
2.4111
0.031
0.074
0.000
0.093
2.4889
0.031
0.077
0.000
0.093
2.5667
0.031
0.079
0.000
0.093
2.6444
0.031
0.082
0.000
0.093
2.7222
0.031
0.084
0.000
0.093
2.8000
0.031
0.086
0.000
0.093
2.8778
0.031
0.089
0.000
0.093
2.9556
0.031
0.091
0.000
0.093
3.0333
0.031
0.094
0.000
0.093
3.1111
0.031
0.096
0.000
0.093
3.1889
0.031
0.098
0.000
0.093
3.2667
0.031
0.101
0.000
0.093
3.3444
0.031
0.103
0.000
0.093
3.4222
0.031
0.106
0.000
0.093
3.5000
0.031
0.108
0.000
0.093
3.5778
0.031
0.110
0.000
0.093
3.6556
0.031
0.113
0.000
0.093
3.7333
0.031
0.115
0.000
0.093
3.8111
0.031
0.118
0.000
0.093
3.8889
0.031
0.120
0.000
0.093
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3.9667
0.031
0.122
0.000
0.093
4.0444
0.031
0.125
0.000
0.093
4.1222
0.031
0.127
0.000
0.093
4.2000
0.031
0.130
0.000
0.093
4.2778
0.031
0.132
0.000
0.093
4.3556
0.031
0.135
0.000
0.093
4.4333
0.031
0.137
0.000
0.093
4.5111
0.031
0.139
0.000
0.093
4.5889
0.031
0.142
0.000
0.093
4.6667
0.031
0.144
0.000
0.093
4.7444
0.031
0.147
0.000
0.093
4.8222
0.031
0.149
0.000
0.093
4.9000
0.031
0.151
0.000
0.093
4.9778
0.031
0.154
0.000
0.093
5.0556
0.031
0.156
0.000
0.093
5.1333
0.031
0.159
0.000
0.093
5.2111
0.031
0.161
0.000
0.093
5.2889
0.031
0.163
0.000
0.093
5.3667
0.031
0.166
0.000
0.093
5.4444
0.031
0.168
0.000
0.093
5.5222
0.031
0.171
0.000
0.093
5.6000
0.031
0.173
0.000
0.093
5.6778
0.031
0.176
0.000
0.093
5.7556
0.031
0.178
0.000
0.093
5.8333
0.031
0.180
0.000
0.093
5.9111
0.031
0.183
0.000
0.093
5.9889
0.031
0.185
0.000
0.093
6.0667
0.031
0.188
0.000
0.093
6.1444
0.031
0.190
0.000
0.093
6.2222
0.031
0.192
0.000
0.093
6.3000
0.031
0.195
0.000
0.093
6.3778
0.031
0.197
0.000
0.093
6.4556
0.031
0.200
0.000
0.093
6.5333
0.031
0.202
0.059
0.093
6.6111
0.031
0.204
0.360
0.093
6.6889
0.031
0.207
0.799
0.093
6.7667
0.031
0.209
1.341
0.093
6.8444
0.031
0.212
1.968
0.093
6.9222
0.031
0.214
2.671
0.093
7.0000
0.031
0.216
3.443
0.093
7.0778
0.031
0.219
4.277
0.093
7.1556
0.000
0.000
5.169
0.000
Stream Protection Duration
POC #1
The Facility PASSED
The Facility PASSED.
Flow(cfs) Predev Mit Percentage Pass/Fail
0.0154
17567
0
0
Pass
0.0160
16166
0
0
Pass
0.0167
14964
0
0
Pass
0.0173
13860
0
0
Pass
0.0179
12818
0
0
Pass
0.0185
11813
0
0
Pass
NAVIX StorQuest Federal Way Page 28
0.0191
10898
0
0
Pass
0.0197
10123
0
0
Pass
0.0203
9388
0
❑
Pass
0.0209
8733
0
0
Pass
0.0215
8143
0
0
Pass
0.0221
7602
0
0
Pass
0.0227
7063
0
0
Pass
0.0233
6590
0
0
Pass
0.0239
6145
0
0
Pass
0.0245
5781
0
0
Pass
0.0252
5433
0
❑
Pass
0.0258
5099
0
0
Pass
0.0264
4808
0
0
Pass
0.0270
4528
❑
0
Pass
0.0276
4254
0
0
Pass
0.0282
4017
0
0
Pass
0.0288
3782
0
0
Pass
0.0294
3551
0
0
Pass
0.0300
3339
0
0
Pass
0.0306
3138
0
0
Pass
0.0312
2950
0
0
Pass
0.0318
2787
0
0
Pass
0.0324
2599
0
0
Pass
0.0331
2447
0
0
Pass
0.0337
2304
0
0
Pass
0.0343
2162
0
❑
Pass
0.0349
2027
0
0
Pass
0.0355
1898
0
0
Pass
0.0361
1790
0
0
Pass
0.0367
1687
0
0
Pass
0.0373
1587
0
0
Pass
0.0379
1483
0
0
Pass
0.0385
1379
0
0
Pass
0.0391
1292
0
0
Pass
0.0397
1221
0
0
Pass
0.0403
1155
0
0
Pass
0.0410
1098
0
0
Pass
0.0416
1048
0
0
Pass
0.0422
997
0
0
Pass
0.0428
930
0
0
Pass
0.0434
883
0
0
Pass
0.0440
837
0
0
Pass
0.0446
789
0
0
Pass
0.0452
743
0
0
Pass
0.0458
713
0
0
Pass
0.0464
668
0
0
Pass
0.0470
631
0
0
Pass
0.0476
596
0
0
Pass
0.0482
565
0
0
Pass
0.0489
539
0
0
Pass
0.0495
497
0
0
Pass
0.0501
473
0
0
Pass
0.0507
434
0
0
Pass
0.0513
399
0
0
Pass
0.0519
366
0
0
Pass
0.0525
348
0
0
Pass
0.0531
323
0
0
Pass
TECHNICAL INFORMATION REPORT
NAVIX
StorQuest Federal Way
Page 29
TECHNICAL INFORMATION REPORT
0.0537
296
0
0
Pass
0.0543
272
0
0
Pass
0.0549
256
0
0
Pass
0.0555
235
0
0
Pass
0.0561
217
0
0
Pass
0.0567
195
0
0
Pass
0.0574
180
0
0
Pass
0.0580
158
0
0
Pass
0.0586
145
0
0
Pass
0.0592
129
0
0
Pass
0.0598
119
0
0
Pass
0.0604
109
0
0
Pass
0.0610
97
0
0
Pass
0.0616
91
0
0
Pass
0.0622
82
0
0
Pass
0.0628
76
0
0
Pass
0.0634
69
0
0
Pass
0.0640
61
0
0
Pass
0.0646
54
0
0
Pass
0.0653
48
0
0
Pass
0.0659
41
0
0
Pass
0.0665
38
0
0
Pass
0.0671
33
0
0
Pass
0.0677
27
0
0
Pass
0.0683
22
0
0
Pass
0.0689
21
0
0
Pass
0.0695
20
0
0
Pass
0.0701
19
0
0
Pass
0.0707
17
0
0
Pass
0.0713
13
0
0
Pass
0.0719
12
0
0
Pass
0.0725
8
0
0
Pass
0.0732
4
0
0
Pass
0.0738
3
0
0
Pass
0.0744
3
0
0
Pass
0.0750
3
0
0
Pass
0.0756
3
0
0
Pass
CMP INFILTRATION FACILITY
A 142 LF 96" perforated CMP infiltration facility has been designed by Contech that will provide 9,466
CF of storage volume. To account for flows larger than the 100-year peak, the infiltration facility
includes an emergency overflow structure, which connects to the municipal system in Pacific Hwy S.
A summary of the CMP infiltration facility sizing has been provided below:
NAVIX
StorQuest Federal Way
Page 30
TECHNICAL INFORMATION REPORT
ASSEMBLY
SCALE 1 M'
PROJECT LUMMARY
:errr .doom e.. v .. ...
..r+. v.•..rK� : �... ... r a"'•' awn. w.cLs-vs�s,oa..e•r,r:u .oaear.L.rao•=••asrxr :.ao•i
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PROJECT NAME: SIorOuesl
Federal Way, WA 98003 -
f _ erooi DESCRIPTION: CMP SYSTEM pl
WATER QUALITY FACILITY
This project is subject to the Enhanced Water Quality requirements. Per Exception 2 of Section 1.2.8.1
of the 2016 Manual, the Enhanced Basic WQ menu may be reduced to the Basic WQ menu for
treatment of any runoff that is infiltrated per Section 5.2 of the 2016 Manual. Full infiltration of on -
site runoff is proposed for this project in accordance with Section 5.2, and soil infiltration properties
will be confirmed by the geotechnical engineer in accordance with the requirements of the 2016
i Manual. Therefore, this project will be subject only to the basic water quality treatment menu.
Basic water quality treatment will be provided by means of a StormFilter Steel Catch Basin facility. The
runoff from pollution -generating parking lot surface will be routed to a StormFilter Steel Catch Basin
facility for water quality treatment prior to entering the CMP infiltration facility.
The water quality design flow for preceding detention is equal to 91% of the developed water quality
volume, as determined using WWHM2012. See below for a summary of the WWHM2012 output:
-� Water Quality BMP Flow and Volume for POC #1
On-line facility volume: 0.0221 acre-feet
On-line facility target flow: 0.0292 cfs.
Adjusted for 15 min: 0.0292 cfs.
off-line facility target flow: 0.0165 cfs.
Adjusted for 15 min: 0.0165 cfs.
The StormFilter Steel Catch Basin was sized to accommodate the on-line water quality flow rate, per
Department of Ecology's GULD approval. The StormFilter has an internal bypass with a capacity of 1.0
NAVIX StorQuest Federal Way Page 31
TECHNICAL INFORMATION REPORT
cfs, which is larger than the 100-year developed peak flow rate of the tributary area that is routed to
the StormFilter facility (0.1395 cfs). A summary of the StormFilter Steel Catch Basin facility design and
sizing estimate is provided below:
wrNF[er cruN
3�.
~IN
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uti�rl
—WA
PLAN VIEW
�er
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NAVIX
STORMFILTER STEEL CATCHBASN DESIGN NGTES
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SECTION B-B
StorQuest Federal Way
2-CARTRIDGE DEEP CATCHSASIN
STORMFILTER DATA
WOE
WrF Nr,
4!T.Rf 4� 45,
2 CARTRIDGE CATCHBASIN
STORMFILTER
STANDARD DETAIL
Page 32
TECHNICAL INFORMATION REPORT
C�NTECH'
ENGINEERED SOLUTIONS Size and Cost Estimate
Prepared by Mike Gillette on February 15, 2017
Storquest Self Storage — Stormwater Treatment System
Federal Way, WA
Information provided:
• Presiding agency = City of Federal Way
Quality Flow Rate (cfs)
0.0292
7Water
Peak Flow Rate (cfs)
0.1395
Number of cartridges
2
Cartridge flow rate (gpm)
7.5
ZPG
Media type
Structure size
Steel Catch Basin
Approximate Price
$10,000
Assumptions:
• Media = ZPG cartridges
• Cartridge flow rate = 7.5 gpm
Drop required from inlet to outlet = 2.3' minimum
Size and cost estimates:
The StorniAlter is a flow -based system, and is therefore sized by calculating the peak water quality flow rate
associated with the design storm. The water quality flow rate was calculated by the consulting engineer using
WWHM and was provided to Contech Engineered Solutions LLC for the purposes of developing this estimate.
The StormFilter for this site was sized based on the above water quality flow rate. To accommodate this flow rate,
Contech Engineered Solutions recommends using a (2) —1 S" cartridge catch basin StormFilter. The estimated cost
of this system is shown In the above table; this estimate includes a complete system delivered to the job site. The
final system cost will depend on the actual depth of the units and whether extras like doors rather than castings are
specified. The contractor is responsible for setting the catch basin StormFilter and all external plumbing.
Typically the catch basin StormFilter has an internal bypass capacity of 1.0 cfs. Since the peak discharge is not
expected to exceed this rate, a high -flow bypass upstream of the StormFilter system is not required.
U012 Contech Engineered Solutions LLC 11835 NE Glenn Widing Dr.. Portland OR 97220
www conteches corn Toll free; 800.548.4667 Fax: 800.561.1271
Page 1 of 1
TS-P027
NAVIX StorQuest Federal Way Page 33
TECHNICAL INFORMATION REPORT
100-YEAR FLOOD/OVERFLOW CONDITION
Review of the most recent FIRM maps indicates that the development area on the project site does not
lie within the 100-year flood plain. The portion of FIRM containing the subject property is included
below.
11 Year Floodplain
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1
CONVEYANCE SYSTEM ANALYSIS AND DESIGN
Conveyance system sizing will be provided in the next submittal of the storm report.
SPECIAL REPORTS AND STUDIES
Special reports and studies for this property include the following (See Appendix Q:
■ Geotechnical Engineering Report by Terracon Consultants, Inc., dated January 11, 2017
• Geotechnical Engineering Report Preliminary Stormwater Infiltration Addendum by Terracon
Consultants, Inc., dated February 3, 2017
OTHER PERMITS
Other permits required for this project include the following:
NAVIX StorQuest Federal Way Page 34
I
I
I
I
7
i
I
I
j
j
TECHNICAL INFORMATION REPORT
• Utility Developer Extension through Lakehaven Utility District
• Commercial Building Permit and building -related permits, including Engineering Review
■ Type III Land Use Review with SEPA Environmental Review
• NPDES
jNAVIX StorQuest Federal Way Page 35
TECHNICAL INFORMATION REPORT
CSWPP ANALYSIS AND DESIGN
ESC Plan Analysis and Design (Part A)
All erosion and sediment control measures shall be governed by the requirements of the King County.
A temporary erosion and sedimentation control plan has been prepared to assist the contractor in
complying with these requirements. The Erosion and Sediment Control (ESC) plan is included with the
construction plans.
1. Erosion Risk Assessment
The degree of erosion risk on the proposed project site is minimal. The following factors contribute to
a low degree of erosion risk:
Slope across the site is slight to moderate. Runoff will not travel at high velocities across the
site and, therefore, will not cause noticeable erosion impacts.
The site is already stabilized with hard surfaces and the portions that will be removed will
generally create temporary closed depression areas that will trap stormwater runoff.
2. Construction Sequence and Procedure
The proposed development will include an erosion/sedimentation control plan designed to prevent
sediment -laden run-off from leaving the site during construction. The erosion potential of the site is
influenced by four major factors: soil characteristics, vegetative cover, topography and climate.
Erosion/sedimentation control is achieved by a combination of structural measures, cover measures,
and construction practices that are tailored to fit the specific site.
Prior to the start of any grading activity upon the site, all erosion control measures, including stabilized
construction entrances, shall be installed in accordance with the construction documents.
j The best construction practice will be employed to properly clear and grade the site and to schedule
construction activities. The planned construction sequence for the construction of the site will be
provided with a subsequent submittal.
3. Trapping Sediment
Structural control measures will be used to reduce erosion and retain sediment on the construction
site. The control measures will be selected to fit specific site and seasonal conditions.
JThe following structural items will be used to control erosion and sedimentation processes:
• Compost Socks
J ■ Filter fabric fences
• Catch Basin Inlet Sediment Protection
■ Proper Cover measures
■ Sediment Trap
The proposed sediment trap was designed in accordance with the 2016 Manual. The required surface
area is:
Required Surface Area = 2 * (2 year peak developed flow) / 0.00096 = 2 * (0,3241 cfs)/0.00096 = 675 SF
NAVIX StorQuest Federal Way Page 36
J
TECHNICAL INFORMATION REPORT
Weekly inspection of the erosion control measures will be required during construction. Any sediment
buildup shall be removed and disposed of off -site.
Vehicle tracking of mud off -site shall be avoided. Installation of a stabilized construction entrance will
be installed at a location to enter the site. The entrances are a minimum requirement and may be
supplemented if tracking of mud onto public streets becomes excessive. In the event that mud is
tracked off site, it shall be swept up and disposed of off -site on a daily basis. Depending on the
amount of tracked mud, a vehicle road sweeper may be required.
Because vegetative cover is the most important form of erosion control, construction practices must
adhere to stringent cover requirements. More specifically, the contractor will not be allowed to leave
soils open for more than 14 days and, in some cases, immediate seeding will be required.
4. Wet Weather TESC Operating Plan
Work between October 15t and April 30t" must adhere to the Wet Season Special Provisions noted in
Section D.5.2 in Appendix D of the 2016 KCSWDM.
SWPPS Plan Design (Part B)
A variety of storm water pollutant controls are recommended for this project. Some controls are
intended to function temporarily and will be used as needed for pollutant control during the
construction period. These include temporary sediment barriers such as silt fences. For most
disturbed areas, permanent stabilization will be accomplished by covering the soil with pavement,
building, or vegetation.
The CSWPPP Worksheet Forms are located in Appendix D.
A. Erosion and Sediment Controls
Soil Stabilization - The purpose of soil stabilization is to prevent soil from leaving
the site. In the natural condition, soil is stabilized by native vegetation. The
primary technique to be used at this project for stabilizing site soil will be to
provide a protective cover of grass, pavement, or building.
a) See 2016 KCSWDM Section D.3.2.6 for Temporary and Permanent
Seeding requirements.
b) Structural Controls — See construction plans for the T.E.S.C. Plan, D-2.0.
Inlet protection and silt fence are proposed to minimize siltation of
construction activities.
c) Silt Fence — Silt fence is a synthetic permeable mesh fabric typically
incorporating wooden support stakes at intervals sufficient to support
the fence and water and sediment retained by the fence. Silt fence is also
available with a wire mesh backing. The fence is designed to retain
sediment -laden water to allow settlement of suspended soils before
filtering through the mesh fabric for discharge downstream. Silt fence
shall be located to capture overland, low -velocity sheet flows as follows:
NAVIX
StorQuest Federal Way Page 37
TECHNICAL INFORMATION REPORT
provide silt fence along the perimeter of the disturbed area, this site does
not contain sloped area that would warrant additional silt fencing. Install
silt fence at a fairly level grade (along the contour) to provide sufficient
upstream storage volume for the anticipated runoff.
d) Construction Entrance — All access points from the public street into the
construction site shall include a construction entrance composed of
course stone to the dimensions shown on the T.E.S.C. Plan, D-2.0. The
rough texture of the stone helps to remove clumps of soil adhering to
construction vehicle tires through the action of vibration and jarring over
the rough surface and the friction of the stone matrix against soils
attached to vehicle tires.
e) Clearing Limits — Clearing limits are defined by the placement of silt fence
or construction fence.
f) Storm Drain Inlet Protection — Curb and grated inlets are protected from
the intrusion of silt and sediment through a variety of measures as shown
on the Construction Drawings. The primary mechanism is to place
controls in the path of flow sufficient to slow sediment -laden water to
allow settlement of suspended soils before discharging into the storm
sewer. Controls typically provide a secondary benefit by means of
filtration. Grated inlets typically include a sturdy frame wrapped in silt
fence or crushed stone -lined perimeter to slow the flow of water. Curb
inlets typically include crushed stone barriers held in place with silt fence
material or geotextile fabric. Where inlets are located in paved areas the
contractor shall install filter fabric in the catch basin.
See 2016 KCSWDM Section D.5.5 for Final Stabilization requirements.
B. Other Pollutant Controls
Control of sediments has been described previously. Other aspects of this SWPPP are
listed below:
Dust Control - Construction traffic must enter and exit the site at the stabilized
construction entrance. The purpose is to trap dust and mud that would otherwise
be carried off -site by construction traffic.
Water trucks will be used as needed during construction to reduce dust generated
on the site. Dust control must be provided by the General Contractor to a degree
that is acceptable to the owner, and in compliance with applicable local and state
dust control regulations. After construction, the site will be stabilized (as described
elsewhere), which will reduce the potential for dust generation.
Chemical treatments have not been approved for this site. The Civil Engineer of
Record must be contacted if these are requested to be utilized.
JNAVIX StorQuest Federal Way Page 38
TECHNICAL INFORMATION REPORT
2. Solid Waste Disposal - No solid materials, including building materials, are allowed
to be discharged from the site with stormwater. All solid waste, including
disposable materials incidental to the major construction activities, must be
collected and placed in containers. The containers will be emptied as necessary by
a contract trash disposal service and hauled away from the site. The location of solid
waste receptacles shall be shown on the T.E.S.C. Plan, D-2.0.
Substances that have the potential for polluting surface and/or groundwater must
be controlled by whatever means necessary in order to ensure that they do not
discharge from the site. As an example, special care must be exercised during
equipment fueling and servicing operations. If a spill occurs, it must be contained
and disposed so that it will not flow from the site or enter groundwater, even if this
requires removal, treatment, and disposal of soil. In this regard, potentially
polluting substances should be handled in a manner consistent with the impact they
represent.
3. Sanitary Facilities - All personnel involved with construction activities must comply
with state and local sanitary or septic system regulations. Temporary sanitary
facilities will be provided at the site throughout the construction phase. They must
be utilized by all construction personnel and will be serviced by a commercial
operator. The location of sanitary facilities shall be shown on T.E.S.C. Plan, D-2.0.
4. Water Source - Non -storm water components of site discharge must be clean water.
Water used for construction which discharges from the site must originate from a
public water supply or private well approved by the State Health Department.
Water used for construction that does not originate from an approved public supply
must not discharge from the site.
5. Concrete Waste from Concrete Ready -Mix Trucks — Discharge of excess or waste
concrete and/or wash water from concrete trucks will be allowed on the
construction site, but only in specifically designated diked areas that have been
prepared to prevent contact between the concrete and/or wash water and storm
water that will be discharged from the site. Waste concrete can be placed into forms
to make riprap or other useful concrete products. The cured residue from the
concrete washout diked areas shall be disposed in accordance with applicable state
and federal regulations. The jobsite superintendent is responsible for assuring that
these procedures are followed. The location of concrete washout areas shall be
shown on the T.E.S.C. Plan, D-2.0.
6. Fuel Tanks — Temporary on -site fuel tanks for construction vehicles shall meet all
state and federal regulations. Tanks shall have approved spill containment with the
capacity required by the applicable regulations. The tank shall be in sound condition
free of rust or other damage which might compromise containment. Hoses, valves,
fittings, caps, filler nozzles, and associated hardware shall be maintained in proper
working condition at all times.
Temporary on -site fuel tanks are not proposed for this project at this time.
NAVIX StorQuest Federal Way Page 39
TECHNICAL INFORMATION REPORT
7, Hazardous Waste Management and Spill Reporting Plan — Any hazardous or
potentially hazardous waste that is brought onto the construction site will be
handled properly in order to reduce the potential for storm water pollution. All
materials used on this construction site will be properly stored, handled and
dispensed following any applicable label directions. Material Safety Data Sheets
(MSDS) information will be kept on site for any and all applicable materials.
Should an accidental spill occur, immediate action will be undertaken by the
General Contractor to contain and remove the spilled material. All hazardous
materials will be disposed of by the Contractor in the manner specified by local,
state, and federal regulations and by the manufacturer of such products. As soon
as possible, the spill will be reported to the appropriate state and local agencies.
As required under the provisions of the Clean Water Act, any spill or discharge
entering the waters of the United States will be properly reported. The General
Contractor will prepare a written record of any such spill and will provide notice to
the Owner within 24-hours of the occurrence of the spill.
Any spills of petroleum products or hazardous materials in excess of Reportable
Quantities as defined by EPA or the state or local agency regulations, shall be
immediately reported to the EPA National Response Center (1-800-424-8802) and
the Washington State Department of Ecology at (360) 407-6300 or 1-800-258-
5990. The reportable quantity for petroleum products is per the State of
Washington is any amount that contacts public waterways or public storm systems
OR equal to or greater than 1 gallon on a commercial project that does not contact
public water systems such as creeks, rivers, lakes, or storm systems and must be
reported within 24 hours.
The EPA guidelines define spills within the public water systems as those that:
violate applicable water quality standards; cause a film or "sheen" upon, or
discoloration of the surface of the water or adjoining shorelines; or cause a sludge
or emulsion to be deposited beneath the surface of the water or upon adjoining
shorelines. The reportable quantity for hazardous materials is per the
Comprehensive Environmental Response, Compensation and Liability Act
(CERCLA), and is any hazardous substance with reportable quantity that appears in
Table 302.4of 40 CFR parts 302, for other substance not found on this list, the
reportable quantity is one pound.
In order to minimize the potential for a spill of hazardous materials to come in
contact with stormwater, the following steps will be implemented:
a) All materials with hazardous properties (such as pesticides, petroleum
products, fertilizers, detergents, construction chemicals, acids, paints,
paint solvents, cleaning solvents, additives for soil stabilization,
concrete, curing compounds and additives, etc.) will be stored in a
secure location, under cover, when not in use.
b) The minimum practical quantity of all such materials will be kept on the
NAVIX StorQuest Federal Way Page 40
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TECHNICAL INFORMATION REPORT
job site and scheduled for delivery as close to time of use as practical.
c) A spill control and containment kit (containing for example, absorbent
such as kitty litter or sawdust, acid neutralizing agent, brooms, dust
pans, mops, rags, gloves, goggles, plastic and metal trash containers,
etc.) will be provided at the storage site.
d) All of the product in a container will be used before the container is
disposed of. All such containers will be triple rinsed, with water prior to
disposal. The rinse water used in these containers will be disposed of in
a manner in compliance with state and federal regulations and will not
be allowed to mix with storm water discharges.
e) All products will be stored in and used from the original container with
the original product label.
All products will be used in strict compliance with instructions on the
product label.
g) The disposal of excess or used products will be in strict compliance with
instructions on the product label.
8. Long -Term Pollutant Controls - Storm water pollutant control measures installed
during construction, that will also provide benefits after construction, will not be
applicable to this project since most of the pollution control measures are already
in place. Those sediment barriers that do not interfere with normal operations and
appear to provide long-term benefits can be left in place after construction is
completed.
9. Source Controls — Per Section 1.3.4 of the 2016 KCSWDM, structural source control
measures, such as car was pads or dumpster area roofing, shall be applied to the
entire site containing the proposed project, not just the project site. Dumpster area
roofing is proposed as a structural source control for this project.
B. Construction Phase "Best Management Practices"
i During the construction phase, the General Contractor shall implement the following
measures:
JI . Materials resulting from the clearing and grubbing or excavation operations shall be
stockpiled up slope from adequate sedimentation controls. Materials removed to
an off -site location shall be protected with appropriate controls and properly
J
permitted.
i 2. The General Contractor shall designate areas on the T.E.S.C. Plan, D-2.0 for
Jequipment cleaning, maintenance, and repair. The General Contractor and
subcontractors shall utilize such designated areas. Cleaning, maintenance, and
repair areas shall be protected by a temporary perimeter berm, shall not occur
JNAVIX StorQuest Federal Way Page 41
TECHNICAL INFORMATION REPORT
within 150 feet away of any waterway, and in areas located as far as practical from
storm drains.
3. Use of detergents for large scale washing is prohibited (i.e., vehicles, buildings,
pavement surfaces, etc.)
4. Chemicals, paints, solvents, fertilizers, and other toxic materials must be stored in
weatherproof containers. Except during application, the contents must be kept in
l
trucks or within storage facilities. Runoff containing such material must be collected,
removed from the site, treated, and disposed at an approved solid waste or chemical
disposal facility.
C. Off -Site Facilities
1
Whenever dirt, rock, or other materials are imported to the construction site or exported
for placement in areas off of the primary construction site, the General Contractor is
-
responsible for determining that all stormwater permitting and pollution control
1
requirements are met for each and every site which receives such materials or from which
such materials are taken. Prior to the disturbance of any such site, the General Contractor
-
will furnish the Owner with a copy of the storm water permit issued for each such site, as
well as a copy of the off -site Owners certification statement agreeing to implement
necessary storm water pollution prevention measures. The General Contractor will also
furnish a copy of the SWPPP for each such site, including a description of the erosion
control measures, which will be applied.
J
At a minimum, each off -site area that provides or receives materials or is disturbed by
1
project activities must implement erosion control measures consisting of perimeter
controls on all down slope and side slope boundaries and must also provide for both
temporary stabilization measures and for permanent re -vegetation after all disturbance is
ended.
BOND QUANTITIES, FACILITY SUMMARIES, AND DECLARATION OF COVENANT
The following information will be provided in the next submittal of the storm report:
■ Stormwater Facility Summary Sheet
• Site Improvement Bond Quantity Worksheet
• Declaration of Covenant for Maintenance and Inspection of Flow Control BMPs
OPERATIONS AND MAINTENANCE GUIDELINES
The following operations and maintenance guidelines are provided for the on -site stormwater
management system:
J
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APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL. CONVEYANCE. AND WQ FACILITIES
FNO.2 - INFILTRATION FACILITIES
Maintenance
Defect or Problem
Conditions When Maintenance Is Needed
Results Expected When
Component
Maintenance Is Performed
Site
Trash and debris
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 -needs
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 rogulabons
Source control BMPs implemented if
appropriate. No contaminants
present other than a surface oil film.
Grass/groundcovor
Grass or groundcovor exceeds 19 inches in
Grass or groundcovor mowed to a
height
height no greater than 6 inches.
Infiltration Pond,
Rodent holes
Any evidence of rodent holes if facility is acting
Rodents removed or destroyed and
Top or Side Slopes
as a dam or bens, or any evidence of water
dam or berm repaired.
of Dam. Berm or
piping through dam or berm via rodent holes.
Embankment
Tree growth
Tree growth threatens integrity of dams. berms
Trees do not hinder facility
or slopes, does not allow maintenance access,
performance or maintenance
or interferes with maintenance activity. If trees
activities.
are not a threat to dam. berm, or embankment
integrity or not interfering with access or
maintenance, they do not need to be removed.
Erosion
Eroded damage over 2 inches deep where cause
Slopes stabilized using appropriate
of damage is still present or where there is
erosion control measures. If erosion
potential for continued erosion. Any erosion
is occurring on compacted slope, a
observed on a compacted slope.
licensed civil engineer should be
consulted to resolve source of
erosion.
Settlement
Any part of a dam, berm or embankment that
Top or side slope restored to design
has settled 4 inches lower than the design
dimensions. If settlement is
elevation
significant, a licensed civil engineer
should be consulted to determine
the cause of the settlement.
Infiltration Pond,
Sediment
It two inches or more sediment is present or a
Facility infiltrates as designed.
Tank, Vault, Trench,
accumulation
percolation test indicates facility is working at or
or Small Basin
less than 90% of design.
Storage Area
Liner damaged
Liner is visible or pond does not hold water as
Liner ripened or replaced.
(If Applicable)
designed.
Infiltration Tank
Plugged air vent
Any blockage of the vent.
Tank or vault freely vents.
Structure
Tank bent out of
Any part of tanklplpo Is bent out of shape more
Tank repaired or replaced to design.
shape
than 10% of Its design shape.
Gaps between
A gap wider than Y nch at the joint of any lank
No water or soil entering tank
sections, damaged
sections or any evidence of soil particles entering
through joints or walls.
joints or cracks or
the lank at a joint or through a wall.
tears in wall
Infiltration Vault
Damage to wall,
Cracks wider than %c nch, any evidence of soil
Vault is sealed and structurally
Structure
frame. bottom, and/or
entering the structure through cracks or qualified
sound.
top slab
inspection personnel determines that the vault is
not structurally sound.
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APPEND1X A NIAIN'rENANCE REQUIREMENTS FLOW CON'rROL. CONVEYANCE, AND WQ FACILITIES
NO.2 — INFILTRATION FACILITIES
Maintenance
Component
Defect or Problem
Conditions When Maintenance Is Needed
Results Expected When
Maintenance Is Performed
Inlet/Outlet Pipes
Sediment
Sediment filling 20% or more of the pipe.
Inlet/Gullet 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 %,inch at the joint of the
inlettoutlel pipes or any evidence of soil entering
No cracks more than 'A -inch wide at
the joint of the Inlet/outlet pipe.
at the joints of the inlet/outlel pipes.
Access Manhofe
Coverllid not in place
Cover/lid is missing or only partially in place.
Manhole access covered.
Any open manhole requires Immediate
maintenance.
Locking mechanism
Mechanism cannot be opened by one
Mechanism opens with proper tools.
not working
maintenance person wdth proper tools Bolts
cannot be seated. Self-locking coverllid does not
work.
CoverAid difficult to
remove
One maintenance person cannot remove
coverllid after applying 80 Ibs of lift-
Covenlid can be removed and
reinstalled by one maintenance
person.
Ladder rungs unsafe
Missing rungs, misalignment, rust. or cracks
Ladder meets design standards
Allows maintenance person safe
access.
Large access
doorslplate
Damaged or difficult
to open
Large access doors or platos cannot be
opened/removed using normal equipment.
Replace or repair access door so It
can opened as designed.
Gaps, doesn't cover
completely
Large access doors not flat and/or access
opening not completely covered.
Doors close flat; covers access
opening completely.
Lifting Rings missing,
rusted
Lifting rings not capable of lifting weight of door
or plate.
Lifting rings sufficient to lift or
remove door or plate.
Infiltration Pond.
Tank. Vault, Trench,
Plugged
Filter bag more than '12 full.
Replace filter bag or redesign
system
or Small Basin Filter
Bags
Infiltration Pond.
Sediment
6' or more of sediment has accumulated.
Pre -settling occurs as designed
Tank. Vault, Trench,
accumulation
or Small Basin Pre -
settling Ponds and
Vaults
Infiltration Pond.
Rock Filler
Plugged
High water level on upstream side of filler
remains for extended period of time or little or no
water Flows through filter during heavy rain
Rock filter replaced evaluate need
for filter and remove If not
necessary.
storms.
Infiltration Pond
Emergency
Overflow Spillway
Rock missing
Only one layer of rock exists above native soil In
area five square feel or larger, or any exposure
of native soil at the top of out flow path of
spillway. Rip -rap on inside slopes need not be
Spillway restored to design
standards.
replaced.
Tree growth
Tree growth impedes flow or threatens stability of
Trees removed
spillway.
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APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL. CONVEYANCE. AND WQ FACILITIES
NO.4 — CONTROL STRUCTURE/FLOW RESTRICTOR
Maintenance
Component
Defect or Problem
Condition When Maintenance is Needed
Results Expected When
Maintenance Is Performed
Structure
Trash and debris
Trash or debris of more than '/: cubic fool which
is located immediately in front of the structure
No Trash or debris blocking or
potentially blocking entrance to
opening or is blocking capacity of the structure
structure.
by more than 10 % .
Trash or debris in the structure that exceeds '13
No trash or debris in the structure.
the depth from the bottom of basin to invert the
lowest pipe into or out of the basin.
Deposits of garbage exceeding 1 cubic foot in
volume.
No condition present which would
attract or support the breading of
insects or rodents.
Sediment
Sediment exceeds 60 % of the depth from the
bottom of the structure to the invert of the lowest
Sump of structure contains no
sediment.
pipo info or out of the structure or the bottom of
the FROP-T section or is within 6 inches of the
invert of the lowest pipe into or out of the
structure or the bottom of the FROP-T section.
Damage to frame
Comer of frame extends more than''/. 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 ,s free of holes and cracks
or cracks wider than ' inch
Frame not sitting flush on top slab, i.e,
Frame is sitting flush on top slab.
separation of more than % inch of the frame from
the lop slab.
Cracks in walls or
bottom
Cracks wider titan ''A inch and longer than 3 feet,
any evidence of soil particles entering structure
through cracks. or maintenance person judges
Structure is sealed and structurally
sound.
that structure is unsound.
Cracks wider than ''A inch and longer than 1 foot
No cracks more than '14 inch wide at
at the joint of any inletloutlet pipe or any
the joint of inlet/outlet pipe_
evidence of soil particles entering structure
through cracks.
Settlement/
misalignment
Structure has settled more than 1 inch or has
rotated more than 2 inches out of alignment.
Basin replaced or repaired to design
standards.
Damaged pipe joints
Cracks under than %,inch at the joint of the
inlet/outlet pipes or any evidence of soil entering
No cracks more than %-inch wide at
the joint of inlelloutlet pipes.
the structure at the joint of the inlet/ouUel pipes.
Contaminants and
pollution
Any evidence of contaminants or pollution such
as oil, gasoline, concrete slurries or paint.
Materials removed and disposed of
according to applicable regulations.
Source control BMPs implemented if
appropriate. No contaminants
present other than a surface oil film.
Ladder rungs missing
or unsafe
Ladder Is unsafe due to missing rungs.
misalignment. rust, cracks, or sharp edges.
Ladder meats design standards and
allows maintenance person safe
access.
FROP-T Section
Damage
T section is not securely attached to structure
wall and outlet pipe structure should support at
T section securely attached to wall
and outlet pipe.
least 1,000lbs of up or down pressure.
Structure is not in upright position (allow up to
Structure in correct position.
10% from plumb).
Connections to outlet pipe are not watertight or
Connections to outlet pipe are water
show signs of deteriorated grout.
tight; structure repaired or replaced
and works as designed.
Any holes —other than designed holosin the
structure,
Structure has no holes other than
designed holes.
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AI'I'ENDIX A MAINTENANCE REQUIREMENTS FLOW C'ONI'ROL. CONVEYANCE. AND WQ FACILITIES
NO.4 — CONTROL STRUCTURENLOW RESTRICTOR
Maintenance
Component
Defect or Problem
Condition When Maintenance is Needed
Results Expected When
Maintenance Is Performed
Cleanoul Gate
Damaged or missing
Cleanout gale is missing.
Replace cleanout gale.
Cleanoul gale is not watertight
Gate is watertight and works as
designed.
Gale cannot be moved up and down by one
Gale moves up and down easily and
maintenance person.
is watertight
Chain/rod leading to gate is missing or damaged.
Chain is in place and works as
designed.
Orifice Plato
Damaged or missing
Control device Is not working property due to
Plato Is in place and works as
missing, out of place, or bent orifice plate.
designed.
Obstructions
Any trash, debris, sediment, or vegetation
Plate is free of all obstructions and
blocking the plate.
works as designed.
Overflow Pipe
Obstructions
Any trash or debris blocking (or having the
potential of blocking) the overflow pipe.
Pipe is free of all obstructions and
works as designed.
Deformed or
Lip of overflow pipe is bent or deformed.
Overflow pipe does not allow
damaged lip
overflow at an elevation lower than
design
Inlevouttet Pipe
Sediment
Sediment filling 20 % or more of the pipe
Inlets ullel 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 V inch at the joint of the
inlet/outlet pipes or any evidence of soil entering
No cracks more than Y,-Inch wide at
the joint of the inlet/Guilet pipe.
at the joints of the inlettoutlet pipes.
Metal Grates
(If Applicable)
Unsafe grate opening
Grate with opening wider than % inch.
Grate opening meets design
standards.
Trash and debris
Trash and debris that is blocking more than 20 %
of grate surface.
Grate free of trash and debris.
footnote to guidelines for disposal
Damaged or missing
Grate missing or broken member(s) of the grate.
Grate is in place and meets design
standards.
Manhole CoverlLid
Coverllid not in place
Covenlld Is missing or only partially In place
Any open structure requires urgent
Coverfild protects opening to
structure
maintenance.
Locking mechanism
Mechanism cannot be oponod by one
Mechanism opens with proper tools.
Not Working
maintenance person with proper tools. Bolls
cannot be seated. Self-locking coverAid does not
work.
Cover/lid difficult to
One maintenance person cannot remove
CoverAid can be removed and
Remove
coverAid after applying 80 Ibs. of lift.
reinstalled by one maintenance
person
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TECHNICAL INFORMATION REPORT
APPENDIX A MAINTENANCE REQUIREMENTS FOR FLOW CONTROL. CONVEYANCE. AND WQ FACILITIES
NO.5 — CATCH BASINS AND MANHOLES
Maintenance
Component
Defect or Problem
Condition When Maintenance is Needed
Results Expected When
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 �4 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
'/3 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
volume.
No condition present which would
attract or support the breeding of
insects or rodents.
Damage to frame
Comer of frame extends more than '/. inch past
Frame is even with curb
andfor 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 % inch
Frame not sitting flush on top slab. i.e ,
Frame is sitting flush on lop slab.
soparabon of more than V. Inch of the frame from
the lop slab.
Cracks in walls or
bottom
Cracks wider than Yz inch and longer than 3 feet.
any evidence of soil particles entering catch
Catch basin is sealed and is
structurally sound.
basin through cracks, or maintenance person
judges that catch basin is unsound.
Cracks wider than %. inch and longer than 1 foot
No cracks more than '/4 inch wide at
at the joint of any inletloutlel pipe or any
the joint of inlet/outlet pipe
evidence of soil particles entering catch basin
through cracks
Seltlementl
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
inletloutlet pipes or any evidence of soil entering
No cracks more than 'A -inch wide at
the joint of inletloutlet pipes.
the catch basin at the joint of the inlet/outlet
pipes.
Contaminants and
pollution
Any evidence of contaminants or pollution such
as oil, gasoline, concrete slurries or paint.
Materials removed and disposed of
according to applicable regulations.
Source control BNIPs implemented if
appropriate. No contaminants
present other than a surface oil film.
InIeVOutlet Pipe
Sediment
Sediment filling 20 % or more of the pipe.
Inlet/oudet pipes clear of sediment.
accumulation
Trash and debris
Trash and debris accumulated in inlettoutlet
pipes (includes goatables and non-Iloatables).
No trash or debns in pipes.
Damaged
Cracks wider than % inch at the joint of the
inletloutlel pipes or any evidence of soil entering
No cracks more than 'A -inch wide a1
the joint of the inletioutlet pipe.
at the joints of the inletloutlel pipes.
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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 1I8 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 Cover7Lid
Coverllid not in place
Coverllid is missing or only partially In place.
CoverAid prolects 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 coverAid does not
work
Cover/lid dificult to
One maintenance person cannot remove
Cover/lid can be removed and
Remove
coverAid after applying 80 lbs. of lift.
reinstalled by one maintenance
person.
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APPENDIX A MAIM PENANCE REQUIRENIENTS FOR FLOW CONTROL. CONVEYANCE. AND WQ FACILPI IES
NO.6 — CONVEYANCE PIPES AND DITCHES
Maintenance
Component
Defect or Problem
Conditions When Maintenance is Needed
Results Expected When
Maintenance Is Performed
Pipes
Sediment & debris
Accumulated sediment or debris that exceeds
Water Mows freely through pipes
accumulation
20 % of the diameter of the pipe.
Vegetatiordroots
Vegetationrroots that reduce free movement of
Water flows freely through pipes,
water through pipes
Contaminants and
pollution
Any evidence of contaminants or pollution such
as oil, gasoline, concrete slurries or paint-
Materials removed and disposed of
according to applicable regulations.
Source control BN1Ps 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
coaling 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 fool per 1.000
square feet of ditch and slopes.
Trash and debris cleared from
ditches
Sediment
accumulation
Accumulated sediment that exceeds 20% of the
design depth,
Ditch rleanedlflushed of all
sediment and debris so that it
matches design.
Noxious ,Needs
Any noxious or nuisance vegetation which may
constitute a hazard to County personnel or the
Noxious and nuisance vegetation
removed according to applicable
public
regulations. No danger of noxious
vegetation where County personnel
or the public might normally be,
Contaminants and
pollution
Any evidence of contaminants or pollution such
as oil, gasoline, concrete slurries or paint.
Materials removed and disposed of
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.
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TECHNICAL INFORMATION REPORT
APPENDIX A MAIN1 ENANC'E REQUIREMENTS FLOW CONTROL. CONVEYANCE. AND W'Q FAC'ILI I IES
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 fool
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 exceeds 18 inches in
Grass or groundcover mowed to a
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 arborlsl 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
I diseased trees removed
4+24r2016
A-16
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APPENDIX A
EXHIBITS
EXHIBIT A— EXISTING CONDITIONS EXHIBIT
EXHIBIT B — GRADING AND DRAINAGE PLAN
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APPENDIX B
SPECIAL REPORTS AND STUDIES
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APPENDIX C
CSWPP WORKSHEETS
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KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
BMP Implementation
Completed by:
Title:
Date.
Develop a plan for implementing each BMP. Describe the steps necessary to implement the BMP (i.e., any
construction or design), the schedule for completing those steps (list dates), and the person(s) responsible for
implementation.
BMPs
Description of Action(s) Required for
Implementation
Scheduled Milestone and
Completion Date(s)
Person
Responsible for
Action
Good
Housekeeping
1.
2.
3
Preventive
Maintenance
1.
2
3.
4.
Spill
Prevention
and
Emergency
Cleanup
1.
2.
3.
Inspections
1.
2.
3.
2016 Surface Water Design Manual —Appendix D CSWPP Forms 4/24/2016
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KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
BMPs
Description of Action(s) Required for Implementation
Schedule Milestone and
Completion Date(s)
Person
Responsible for
Action
Source Control
BMPs
1.
2.
3
4.
S.
6.
7,
8.
Treatment BMPs
1.
2.
3.
4.
Emerging
technologies
Flow Control
BMPs
1.
2.
3.
4.
2016 Surface Water Design Manual — Appendix D CSWPP Forms 4/24/2016
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Pollution Prevention Team
Completed by:
Title:
_
Date:
Responsible Official:
Team Leader:
Responsibilities:
Title:
Office Phone
Cell Phone ":
Pager
(1 }
Responsibilities:
Title:
Office Phone:
Pager #:
Cell Phone:
(2)
Title:
Responsibilities:
Office Phone:
Pager #:
Cell Phone #7
2016 Surface Water Design Manual — Appendix D CSWPP Forms 4/24/2016
StorQuest Federal Way
TECHNICAL INFORMATION REPORT
KING COUNTY, WASHINGTON. SURFACE WATER DESIGN MANUAL
Completed by:
Employee Training
Tiile: _
Date:
Describo the annual train of employees on the SWPPP. addressing spill res nse, good housekeeping, and material man omens pmcticDt,
Training Topics
Brief Description of Training Program/Materials
Schedule for Training
(e.g., film, newsletter course)
(list dates)
Attendees
1.) LINE WORKERS
Spill Prevention and
Response
Good Housekeeping
Material Management
Practices
2j P2 TEAM:
SWPPP Implementation
Monitoring Procedures
2016 Surface Water Design Manual—AppendixD CSWPP Forms
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KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL
List of Significant Spills and Leaks
Completed by.
Title:
Date,
List all spills and leaks of toxic or hazardous pollutants that were significant but are W limited to, release of g! or h,zjrdott,3 %utntiriccs in oxcess of romflablo
Although not required, we suggest you list spills and leaks of non -hazardous materials.
Date
(morlthldaylye
ar)
Location
(as
Indicated
on site
map)
Description
Response Procedure
prvrenkvo Meal um Takon
Type of
Material
Quantit
y
Sourc
e, If
Known
Reason for
SpilllLeak
Amountof
Material
Recovered
Material No
longer
exposed to
Stormwaler
(Yes/No)
1
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TECHNICAL INFORMATION REPORT
KING COUNTY, WASHINGTON. SURFACE WATER DESIGN MANUAL
Material Inventory
Completed by: Ville!
Date,
List materials handled, treated, stored, or disposed of at the project site that may potentially be exposed to precipitation or runoff.
Material
u oselLocation
Quantity (Units)
Likelihood of contact with stormwater
If Yes, describe reason
yr.)Yes
Past Spill or
Leak
Used I Produced Stored
lindicate oer/wk. or
No
2016 Surface Water Design Manual — AppendixD CSWpp Forms 4/24/2016
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