15-104380WMIRENTFAM
Mr. Evan Mann
ES M Consulting Engineers
33400 81�, Avenue South, Suite 205
Federal Way, WA 98003
FILE
Re: File #15-104380-00-PC, PREAPPLICATION CONFERENCE SUMMARY
Ostrom Short at 36606 Pacific Highway South, Federal Way
Dear Mr. Mann:
Thank you for participating in the preapplication conference with the City of Federal Way's Development
Review Comn-dttee (DRC) held September 17, 2015. We hope that the information discussed at that meeting
was helpful in understanding the general requirements for your project as submitted.
This letter summarizes comments given to you at the meeting by the members of the DRC. The members
who reviewed your project and provided comments 'include staff from the city's Planning and Building
Divisions and Public Works Department, and representatives from Lakehaven Utility District and South King
Fire & Rescue. Some sections of the Federal Way Revised Code (FWRC) and relevant information handouts are
enclosed with this letter. Please be advised,
this letter does not represent all applicable codes. In preparing
your formal application, please refer to the complete FWRC and other relevant codes for all additional
requirements that may apply to your project.
The key contact for your project is Senior Planner Stacey Welsh (,tacey-.�wel%h �citvoff�-degalx , or 253-
835-2634). For specific technical questions about your project, please contact the appropriate DRC
representative as listed below. Otherwise, any general questions about the preapplication and permitting
process can be referred to your key contact.
PROJECT DESCRIPTION
The proposal is to subdivide one lot into four single family lots.
MAJOR ISSUES
Outlined below is a summary of the major issues of your project based on the plans and information
submitted for preapplication review. These issues can change due to modifications and revisions in the plans,
These major issues only represent comments that the DRC consider most significant to your project and do
not include the majority of the conu-nents provided. The major issues section is only provided as a means to
highlight critical requirements or issues. Please be sure to read the entire department comments made in the
next section of this letter.
33325 8th Avenue South, Federal Way, WA 98003-6325 - (253) 835-7000 - www.cityoffederalway.com
Mr. Evan Mann
Page 2
September 28, 2015
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1. Conservation flow control and Enhanced Basic Water Quality requirements, as outlined in the King
County Surf
ace Design Manual (KCSVDM), apply to this development proposal. Best Management
Practices (BMP's) are also required. Stormwater treatment and detention requirements outlined in
this letter apply. to both o,nsite improvements and improvements within the public right-of-way.
# IM 17 R114
1. A Traffic Impact Fee payment per FWRC 19.91.
2. A Transportation Concurrency permit is required per FWRC Chapter 19.90.
3. Street frontage improvements and right-of-way dedication are required along the property frontage
on SR 99 and 86 Avenue South per FWRC 19.135.040.
4. The current proposal needs to meet access management standards per FINRC 19.135.280.
5. The current proposal needs to meet block perimeter requirements per FWRC 18.55.010.
6. Sight distance analysis per AASHTO standard is required per FWRC 19.135.300.
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1. Lakehaven strongly discourages the development of a public water/well supply system within the
boundaries of Lakehaven's water service boundaries. Lakehaven will provide comments to the
applicable regulatory agencies reflecting this, and will also require sufficient proof that the proposed
public well will not impact Lakehaven's aquifers, wells, and/or public water supply system. For
additional information on thLis topic you may contact Lakehaven's Water Operations Manager Stan
French at sfrench@lakehaven.org.
Ho 415-104380-00-PC Doc M 70703
Mr. Evan Mann
Page 3
September 28, 2015
* South King Fire & Rescic'.
Fire hydrants shall be vithin 600 feet of all points to a structure. In lieu of fire hydrants, a residential
automatic fire sprinkler system shall be installed in the new buildings.
DF,PARTMENT COMMENTS
Outlined below are the comments made by the representatives of each department present at the
preapplication conference. Each section should be read thoroughly. If you have questions, please contact the
representative listed for that section.
SIM It"FA-BA's
4. Public Notice —Short plat applications and SEPA determinations require a public notice and a 15-day
comment period. Within 14 days of issuing the Letter of Complete Application, a Notice of Application
and Optional DNS will be published in the Federal Way Mirror, mailed to persons within 300 feet of the
subject propert�y, posted on the subject property, and placed at the city's three designated notice boards.
5. -Fees 835-2607
—As development fees change annually, please contact the Permit Center at 253-, or'
aldwoffederaw �wvxo , for an updated fee list prior to submitting your application.
Addonal utility fees, school impact fees, concurrency, and engineering plan review fees apply.
Fdi M5-104380-00-PC D- ID 70703
�&. Evan Mann
Page 4
September 28, 2015
6. Lot Si.Ze —The zoninR for the subject site is RS-35.0. Minimum lot size for each lot is 35,000 square feet.
As depicted, the proposed lots meet the minimum lot size requirement. Property dedicated to the city for
right-of-way frontage improvements may not be counted in lot areas (see the Traffic comments).
Property set aside in tracts (access, critical -area, and/or open space) cannot count towards the minimum
lot area per FWRC 19.05.120 "lot area" and 19.145.150.1. Also, all residential subdivisions are required to
provide open space in the amount of 15 percent of the gross land area of the subdivision site per FWRC
18.55.060(2). If open space is provided onsite, it shall be provided in its own tract, see item #10, below.
8. Setbacks— Future residences must conform to the following structural setback requirements of FWRC
19.200.010, "Detached Dwelling Units": front yard — 20 feet; side yard — 10 feet; and rear yard — 10 feet.
Existing structures to be retained must conform to the structural setback requirements from newly
located property lines.
9. Mitrellaneous Sing
le -Family
y Residential Re ,gulations —
a. Maximum height of structures — 30 feet above average building elevation.
b. Maximum lot coverage — 50 percent.
c. Required parking spaces — two per dwelling unit.
10. Open Space — YR residential subdivisions are required to provide -open space in the amount of 15 percent
of the gross land area of the subdivision site per FWRC 18.55.060(2). All or some of the open space
requirement may be satisfied by a fee -in -lieu payment at the discretion of the Parks Director, after
consideration of the city's overall park plan, quality, location, and service area of the open space that
would otherwise be provided with the project. Open space fees shall be paid prior to recording the short
plat. If the applicant chooses to provide onsite open space, it shall be provided in its own tract and
include a combination of the following types:
Open Space Categoryx� % of Gross Land Area I
— -- - ---------- . ..... — ------------- -- - - ---------------
Conservation No maximum or minimurn
- ----- - ----------------
Per FVVRC 18.55.060.5, "Open space shall be owned in common undivided interest by all property
owners wid-iin the land division as members...." As with other tracts, an open space tract cannot count
towards the minimum lot area of either lot.
Another option related to providing the required open space on -site is to request a modification to die
the Parks Director. For example, as part of the short plat an applicant could submit a request to modify
the open space category requirements to: 1) not provide the minimum of 10% of "usable" open space;
and -9) alloNv the designation of the entire required 15 percent as "conservation" open space to overlay all
or a portion critical area as a tract in the short plat.
Ffle#B-104380-00-PC D., M 70703
Mr. Evan Mann
Page 5
September 28, 2015
11. Clearing, Grading, and Tree and Vegetation Retention — The short plat is subject to the provisions of FWRC
19.120, "Clearing, Grading, and Tree and Vegetation Retention." It is recommended that FWRC 19.120
be reviewed carefully in reference to the proposed short plat. A clearing and grading plan that meets
FWRC 19.120.020 and FWRC 19.120.040 must be submitted with the formal short plat application, as
clearing and grading work is proposed.
12. Tree Densily Requirements — The plat will be subject to tree density requirements of FWRC 19.120..130(1);
note that 25 tree -units per acre are required for single-family zoned sites. A tree unit is a value assigned to
existing trees retained on the property or replacement trees. The larger the treerthe greater value it is
assigned. Required tree density can be composed of retained trees and replacement plantings per FWRC
,19.120.130. The tree and vegetation plan must dearly show where the tree units are to be located. The
formal application must indicate what trees are to be removed.
In the case of the 14.95-acre site, approximately 374 tree units are required (295 x 14.95 = 374). Tree unit
credits are in Table 2 of F"RC 19.120.130-2. The required number of tree units would likely be less than
374, given 1 WRC.19.120,430.3. Under that code section, the total number of tree, units required to be
provided is calculated by multiplying gross site acreage, minus any proposed public or private streets and
regulated critical areas (excluding buffers). Despite this provision, trees located within critical area buffers
shall be credited towards satisfying the tree units per acre requirement.
If an applicant cannot provide for the minimum tree units per acre on site, off -site mitigation, or fee -in -
lieu payment to the city's urban forestry account, may be approved by the director. See FWRC
19.120;140 for off -site mitigation and fee -in -lieu payment requirements.
13. 11yetlandr — Wetlands exist on and adjacent to the subject property. A report prepared in conformance
with the Critical, Areas Ordinance contained in M)VRC 19.145.410 is required.11e, wedand and buffer
must be delineated on the short plat drawing and placed in a tract in conformance with FWRC
19.145.150 and 19.145.420.
Per FWRC 19.145.420.6, all lots approved in a recorded subdivision that contain wetlands and their
associated buffer in a native growth protection casement or tract may be improved pursuant to easement
or tract boundaries established in the plat, regardless of subsequent regulatory buffer increases or natural
migration.
New finpiov6nients shb*4 on the s4W Oat Orawirq�uithui wetl2nd buffers wowduot be approved "is
part of the short plat. A separate Use Pi6ctssi 111 appli(atitifi� subtnittal And approval for w4and buffer
alterations or reductions is required. The applications can be processed together.
FWRC 19.145.440 addresses development within wetland buffers. The applicant must demonstrate the
&-improvements
to the existing driveway access off of 8th Avenue South (paving and widening to meet city code
requirements) and work to upgrade the existing well as detailed in FWRC 19.145.440. The applicant must
justify using the existing driveway for the access to the newly created lots rather than locating access in a
different portion of the site outside the buffer.
14. r — A portion of the 1�6os is located on Aie subject pjoporty� 1his feature must be delineated on
the diort Plat drawiftg and placed 'in a tract in conk6hitice with FWRC1 %145,150 afid 19.145260. The
File #1 5-1(14380-00-PC Doc ID 70703
T\dr. Evan Mann
Page 6
September 28, 2015
site contains documented fish habitat, with three salmonid species, which requires compliance with FG C
19.145.260. The pond on site is not exempt per C 19.145.110.3.
15. Geo*44g� Ha.Zardous Areas — The short plat drawing shows areas with existing slopes greater than 15%. A
professionally prepared geotechnical report is required as part of the application submittal per F\VRC
19.145.250. All development activities on or within 50 feet of a geologic ally hazardous area as defined in
FWRC 19.05.070 are subject to the Critical A -teas Ordinance, see FWRC 19.145.220. All landslide hazard
areas and buffers (if any) must be delineated on the short plat drawing and placed in a tract in
conformance with F\VRC 19.145.150 and 19.145.230.
16. GificalAresA6" &Ope applicant is responsible for providing critical
areas reports to the city and for covering the cost of the city's consultants who may review the reports.
The city has a Critical Areas Review Optional Direct Services Program, which provides another option for
obtaining the services of a qualified consultant (see enclosed handout).
17. School Impact Fees— School impact fees (currently $5,429.55 per single-family home) are due at the time of
building permit application for new dwelling units. This fee amount is subject to change as determined
annually by the Federal Way School District.
18. Senage Dis posal— The applicant must provide documentation that each lot in the subdivision will either
connect to the sanitary sewer system or provide an on -site septic system. Wherever feasible, all lots in th(6
short plat shall be connected to sanitary sewer system; see comments from Lakehaven Utility District
below. If connection to the sanitary sewer system is not feasible, on -site sewage disposal may be utilized.
The city does not have any code provision requiring connection to the sanitary sewer system. The design
and construction of the septic system must be approved by the Public HeaRli-Seattle & King County.
Provide a copy of their Subdivision Pre -Application Report. If on -site septic systems are provided, prior
to short plat recording, the applicant must obtain the Public Health -Seattle & King County signature on
the short plat document and provide a copy of their signed Application for Final Subdivision.
19. Approval Duratiog — Short plat prelmainary approval expires five years from the date of approval -
Engineering plans must be approved, improvements constructed, and the short plat must be recorded
within the five-year time period. No less than 60 days prior to the lapse of approval, the applicant may
request a two-year time extension for the short plat approval.
20. Recordin ,g — The city will record the short plat with the King County Division of Records and Elections
subsequent to the Public Works Department approval of submitted as -built plans. Prior to recording the
short plat, all surveying and monumentation, must be complete. In addition, all other required
improvements must be substantially completed as determined by the departments of Community
Development and Public Works.
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ann.dower@cityoffederalway.com)
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Fk 415-104380-00-K' D M 70703
Mr. Evan Mann
Page 7
September 28, 2015
project meets the requirements for a Full Drainage Review. At the time of land use site plan preliminary
short plat submittal, a preliminary Technical Information Report (TIR), addressing the relevance, of die
project to the eight core and five special requirements of the K_CSNVD1V1 will be required. A Level 1
downstream analysis shall also be provided in the preliminary TM. The city has 1" = 100', five-foot
contour planimetric maps that may be used for basin analysis.
2. The project lies within a Conservation flow control area; thus, the applicant must design the flow control
facility to meet these performance criteria. In addition to flow. control facilities, Best Management
Practices (BMP's) are required as outlined in the KCSM. The project also lies within an Enhanced,
Basic Water Quality Area. Water quality treatment shall be designed to meet the treatment criter ia.of the
Enhanced Basic Water Quality Menu.
3. If infiltration is proposed, soil logs prepared by a licensed geotechnical engineer or septic de I sigtier=st
be provided to verify infiltration suitability.-
4. Detention and water quality facilities for short plats must be above ground (i.e. open pond).
Underground facilities are allowed only with approval from the Public Works Department:
5. Show the proposed location and dimensions of the detention and water quality facilities on the
preliminary plans.
6. If more than one acre vill be disturbed during construction, a National Polhatant Discharge Elimination'
System (NPDES) construction storm water permit may be required. Information regarding this permit
can be obtained from the Washington State Department of Ecology by calling 360-407-6048, or at
wk),r%7.ecy-.Nv,a. OV/Drograins/%V . �Zconstj , J_Jtmi.
�s torrown't i iction it�idex..
7. If work is to be done below the ordinary high watermark, a Hydraulic Project Approval (HPA) permit
may be required. Information regarding this permit can be obtained from the Washington Department of
Fish and Wildlife.
Right -of -Way Improvements
1. Seethe Traffic Division comments from Senior Transportation Planning Engineer Sarady Long for
traffic related items.
2. If dedication of additional right-of-way is required to install street frontage improvements, the dedication
shall be conveyed to the city through a statutory warranty deed. The dedicated area must have clear tide
prior to recording.
3. All storinwater treatment and detention requirements outlined above may apply to any improvements
thin the public right-of-way.
4. FVVRC 19.135.280 requires that driveways serving residential uses may not be located closer than 25 feet
to any street intersection. Lots and intersections within new subdivisions or short plats must be designed
to meet this standard.
File 415-104380-00-PC D ID 70703
Mr. Evan TVann
Page 8
September 28, 2015
1. Engineered plans are required for clearing, grading, road construction, and utility work. Plans must be
reviewed and approved by the city. Engi incering review fees are $824.50 for the first 12 hours of review,
and $68.00 per hour for additional review time. A final TIR shall be prepared for the project and
submitted with the engineermiz plans. Both the TIR and the plans will re i the signature seal of a quire
professional engineer registefed/licensed in the State of Washington.
2. In addition to engineering approval, short plats and subdivisions are required to obtain a separate permit
for grading. Details and fees may be obtained from the Building Division.
3. The Federal Way Public Works Development Standards Manual (standard detail drawings, standard notes, and
engineering checklists) is available on the city's website,
to assist the applicant's engineer in preparing the plans and TIR.
4. Bonding is required for all street improvements and temporary erosion and sediment control measures
associated -wit� the project. The bond amount shall be 120 percent of the estimated costs of the
improvements. An administrative fee deposit will need to accompany the bond to cover. any possible
legal fees in the event the bond must be called. Upon completion of the installation of the improvements,
and final approval of the Public Works Inspector, the bond will be reduced to 30 percent of the original
amount and held for a two-year maintenance period.
The developer will be responsible for the maintenance of all storm drainage facilities (including the
that time, the Public Works Inspector will make periodic visits to the site to ensure the developer's
compliance with the maintenance requirements. Upon satisfactory completion of the two-year
maintenance period, the remainder of the bond will be released. Maintenance for public roads and
subdivision drainage facilities then become the responsibility of the city. Maintenance for private roads
zed dra4age 9.cilities- including short Dlats- remain the resDonsibilitv of the individual t)rot)ertv owners.
6. When topographic survey information is shown on the plans, the vertical datum block shall include the
phrase "DATUM: N.G.V.D.-29" or "DATUM: K.C.A.S.," on all sheets where vertical elevations are
called out.
7. Drawings submitted for plan review shall be printed on 24" x 36" or 22" x 34" paper. Site plans shall be
drawn at a scale of 1" = 20', or larger. Architectural scales are not permitted on engineering plans.
8. Provide cut and fill quantities on the clearing and grading plan.
9. Temporary Erosion and Sediment -control (TESL) measures, per Appendix D of the 2009 KCSWDM,
must be shown on the engineering plans.
10. The site plan shall show the location of any existing and proposed utilities in the areas affected by
construction.
File # 15- 1 04380-00-PC Doc ID 70703
Mr. Evan Mann
Page 10
September 28, 2015
Eighth Avenue South is planned as a Type "T" street, consisting of a 28-foot street with
an 8-foot ditch, 5-foot sidewalks and street lights in a 60-foot right-of-way. Assuming a
symmetrical cross section, half street n'nprovements are required as measured from the
street centerline. At a minimum, the improvement shall include a 20-foot street with an 8-
foot ditch, 5-foot sidewalk and street lights. It appears the existing right-of-way would be
adequate to accommodate the adopted cross section.
2. The applicant may make a written request to the Public Works Director to modify, defer, or waive the
required street improvements (FWRC 19.135.070). Information about a right-of-way modification
requests are available through the Public Works Development Services Division. Please note that these
modification requests have a nominal review fee currently at $105.90.
3. Tapers and transitions beyond the project frontage may be required as deemed necessary for safety
purposes; taper rate shall be WS^2/60 or as directed by the Public Works Director.
Access Management (FWRC 19.135)
L WAC 468-52-040 limits access on state highways to access spacing of 250 feet with only one access per
parcel. Pacific Highway South is access class "l" where left access maybe permi'tted every 330 feet and
left -out access is only permitted at signalized intersections (F\VRC 19.135.280). Furthermore, residential
lots should not have access onto arterial streets per FVvTRC 18.55.020. However, it appears that the
applicant is not proposing to modify the existing driveway on SR 99, which is currently serving one lot.
This is acceptable.
2. Please provide photo documentation within the appendix of the sight distance analysis. A minimum of one
photo looking to the left and one looking to the right show the location of the viewer in accordance to
AASHTO guidelines. The site plan with plan and profile sheets should also be incorporated into the report
to provide the site distance documentation. Indicate if there are any street trees, landscaping req e ents,
or any other objects existing or proposed to be within the sight distance triangle. State if the sight distance
requirements are met or not and provide any traffic safety mitigation measures.
Design Criteria (FWRC 18.55)
1. Block perimeters shall be no longer than 1,320 feet for non -motorized trips, and 2,640 feet for streets
(F'WRC 18.55.010 ' and FWCP Policy TP21). Therefore, an east/west connection along the north side of
the property and a north/south street connection along the west side (roadway cross sectionI) would be
required. However, given that this is a rural development (RS 35,0) with topography constraints, it does
not appear that the connections would be appropriate and feasible. Therefore, the applicant may request
a modification toeliminate this requirement.
2. All lots shall be accessed by a public street right-of-way (FWRC 18.55.020). The applicant may create a
flag lot or use the private driveway standard (Dwg. 3-2CC or 3-2DD) to meet this requirement. In certain
cases, lots may be accessed by an ingress/egress and utilities easement or alley subject to the requirements
established in the City of Federal Way Public Works Development Standards.
File #B-104380-0041C Doc ID 70703
Mr. Evan Mann
Page 11
September 28, 2015
up-st. 1, qnlls renort " s nq_'ic of . .
Lakehaven strongly discourages the development of a public water/well supply system within the
boundaries of Lakehaven's water service boundaries. Lakehaven will provide comments to the applicable
regulatory agencies reflecting this, and will also require sufficient proof that the proposed public well will
not impact Lakehaven's aquifers, wells, and/or public water supply system. For additional information on
this topic you may contact Lakehaven's Water Operations Manager Stan French, sfrench@lakehaven.org.
• Additional resources:
dob.wa. f?D-,, /Corran unj tyan _cdiErivJir(_.)n,rnen t /DrinkingWarer/ rsten-L is VlaterS ,sistg.nce Gro i
Ui LBZDesigii. ,\
h h 11112/ ) Iea,N,,-t.-aov,/,�,Nac/default.-,tsD\-?r-ite=246-291
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• Contacts:
The Washington State Department of Health, Division of Environmental Public Health,
Office of Drinking Water Utp:/ lw\v vjolmya.gov ch- �dwv Bob James (253-395-6768).
Public Health - Seattle & King County (206-477-8050), as they have regulatory oversight for
small public water systems (Group Bs) serving 2-9 connections and individual private wells
under WAC 246-291 and King County Board of Health Title 12 & 13.
Department of Ecology (425-649-7044).
A Certificate of Water Availability issued separately by Lakehaven may be required to be subrrdtted with
any land use and/or building permit, application (check with land use agency for requirement), or for
health department submittals for onsite sewerage system (septic) approvals. Certificate is valid for one (1)
year from date of issuance. If a certificate is needed, allow one to two working days to issue for typical.
If an onsite well/system is not utilized for the proposed short plat, a Developer Extension PE)
Agreement will be required to construct new and water distribution facilities for the proposed
development. Additional detail and/or design requirements can be obtained from Lakehaven by
completing and submitting a separate application to Lakehaven for either a Developer Pre -Design
Meeting or a DE Agreement. Lakehaven encourages owners/ developers /applicants to apply for
Lakehaven processes separately to Lakehaven, and sufficiently early in the pre-design/planning phase
avoid delays in overall project development.
0 The site does not have a previous or existing Lakehaven water service connection.
Sewer
Fih, #15-104380-00-PC D., ID 70703
Mr. Evan Mann
Page 12
September 28, 2015
agency for requirement), or for health department submittals for onsite sewerage system (septic)
approvals. The certificate is valid for one (1) year from the date of issuance. If a certificate is needed,
allow one to two working days to issue for typical.
0 If onsite sewerage systems are not utilized for the proposed short plat, a Developer Extension (DE)
Agreement vill be required to construct new sanitary sewer facilities for the proposed development.
Additional detail and/or design requirements can be obtained from Lakehaven by completing and
submitting a separate application to Lakehaven for either a Developer Pre -Design Meeting or a DE
Agreement. Lakehaven encourages owners /developers /applicants to apply for Lakehaven processes
separately to Lakehaven, and sufficiently early in the pre-design/planning phase to avoid delays in overall
project development.
General
0 All comments herein are valid for one (1) year and are based on the proposal(s) submitted and
Lakehaven's current regulations and policies. Any change to either the development proposal(s) or
Lakehaven's regulations and policies may affect the above comments accordingly.
SOUTH ICING FiRE & RESCUE (Chris Ingham, 253-946-7244, chri.itr'1-
11, lam—&—so—u t-11 Uinghlor irc-)
Provide an approve turnaround on site for fire apparatus.
Access road gates shall comply with South King Fire& Rescue Administrative Policy Guideline No.
10.001 u�tlikdn �fireor �nidex.,asx?m�d=432). ,
0 Fire hydrants shall be within 600 feet of all points to a structure. In lieu of fire hydrants, a residential
automatic fire sprinkler system shall be installed in the new buildings.
CLOSING
This letter reflects the information provided at the preapplication conference and is intended to assist you in
preparing plans and materials for formal application. We hope you found the comments useful to your project.
We have made every effort to identify major issues to eliminate surprises during the city's review of the formal
application. The completion of the preapplication process in the content of this letter does not vest any future
project application. Comments in this letter are only valid for one year per FVv`RC 19.40.070(4).
As you know, this is a pre litninary review only and does not take the place of the full review that will follow
submission of a formal application. Comments provided in this letter are based on preapplication materials
submitted.
Modifications and revisions to the project as presented for this preapplication may influence and modify
information regarding development requirements outlined above. In addition to this preapplication letter,
please examine the complete FWRC and other relevant codes carefully. Requirements that are found in the
codes that are not addressed in this letter are still required for your project.
Fik 4 13- 1 04380-00-11C Doc 7D 70703
hir. Evan -Mann
Page 13
September 28, 2015
If you have questions about an individual comment, please contact the appropriate department representative
noted above. Any general questions can be directed towards the key project contact, Stacey Welsh, 253-835-
2634,orstac,v%welsh citoffederahvay°corn. We look forward to working with you.
Sincerely,
Stacey Welsh, AICP
Senior Planner
enc: Bulletin 001 'Use Process III Submittal Requirements'
Bulletin 002 'Mailing Envelopes'
Bulletin 003 'Master Land Use Application'
Bulletin 010 'Short Subdivision Submittal Requirements'
Bulletin 050 'SEPA Environmental Checklist'
Bulletin 078 'Critical Areas Review Optional Direct Services Program'
Lakehaven Utility Maps & Handout
c: Peter Lawrence, Plans Examiner
Ann Dower, Senior Engineering Plans Reviewer
Sarady Long, Senior Transportation Planning Engineer
Chris Ingham, South King Fire & Rescue
Brian Asbury, Lakehaven Utility District
Doug & Cynthia Ostrom, 36606 Pacific Highway South, Federal Way, WA 98003
Fik #I 5-104380-00-PC Doc ID 70703
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Souices: Esri, HERE, DeLorme, Intermap, hcrement P Corp, GEBCO,
USGS, FAO, NPS, NRGAN, GeoBase, IGN, Kadaster NL, Ordnance Survey,
Ew Japan, METI, Esri China (Hong Kong), swisstopo, Mapmy1ndia, @
OpenStreetMap contributors, and the GIS User Community
WDFW
"�Ostrom Fall Chum
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— Documented Spawning
— Documented Rearing
— Modeled Presence
— Presumed Presence
H+ Transported Presence
6A-6 Transported Spawning
Transported Rearing
Documented -Artificial, Presence
Documented -Artificial, Spawning
Documented -Artificial, Rearing
1:9,028
0 0.075 0.15 0.3 mi
0 0.1 0.2 0.4 km
Sources: Esn, HERE, DeLorme, Intermap, increment P Corp, GEBCO,
USGS, FAO, NIPS, NRCAK GeoBase, IGN, Kadaster NL, Ordnance Survey,
Esd Japan, ME-11, Esri China (Hong Kong), swisstopo, MapmyIndia, C
OpenStreetMap contributors, and the GIS User Community
VVDFW
0�92 �111 7#1W70M
„,strom Coho Streams
September 10, 2015
— Documented Presence
— Documented Spawning
Documented Rearing
Modeled Presence
Presumed Presence
Potential: Blocked
Documented Historic Presence
S
01
n.
OF
F4+ Transported Presence
6” Transported Spawning
— Transported Rearing
Documented -Artificial, Presence
Documented -Artificial, Spawning
Documented -Artificial, Rearing
1:9,028
0 0.075 0.15 0.3 mi
t . I
0 0.1 0.2 0.4 km
Sources: Esri, HERE, DeLorme, Intermap, hcrement P Corp, GEBCO,
USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, Ordnance SLrvey,
Esri Japan, ME-11, Esri China (Hong Kong), swisstopo, Mapmylndia, @
OpenStreetMap contributors, and theGIS User Community
V\OFW
17MMI=
From: Stacey Welsh
Sent: Tuesday, June 27, 2017 8:50 AM
To: Robert Hansen
Subject: FW: Ostrom Stream Layers
Attachments: Ostrom Coho.pdf, Ostrom Fall Chum.pdf, Ostrom Winter Steelhead.pdf
- --------------
From: Matt Herrera
Sent: Thursday, September 10, 2015.4:28 PM
To: Stacey Welsh
Subject: Ostrom Stream Layers
Hi Stacey,
I've attached the map data from WDFW for the Hylebos reach that goes through the Ostrom property. There are three
documented salmonid species.
1
Mr. Evan Mann
ESM Consulting Engineers LLC
Federal Way, WA 98003
Re: File #15-104380-00-PC; PRFAPPLICATION CONFERENCE SCHEDUL
Ostrom Short Plat, 36606 Pacific Highway South, Federal Way I
VPJ�1116
FILE
The Ca unity Development Department is in receipt of your preapplication conference request. The
application has been routed to members of the Development Review Committee and a meeting with the
project applicant has been scheduled as follows:
MMMMUM
= e4-7�-� 01 $
-? —=f 77777-ft7-1 1 -
33325 81h Avenue Sout
Federal Way, WA 980(
We look forward to meeting with you. Please coordinate directly,,vith anyone else you would like to attend
the meeting as this will be the only notice sent by the department. If you have any questions regarding the
meeting, please contact me at s acewwek � 1. tyoffiderilway or
Stacey Welsh, AICP
Senior Planner
c: Doug & Cynthia Ostrom, 36606 Pacific Highway South, Federal Way, \VA 98003
D., 1, D, 70694
33325 8th A,venue South, Federal Way, WA 98003-6325 - (253) 835-7000 - www.cityoffederalway.com
AM
FILE NUMBER (s) :
CITY OF FEDERAL )WAX
COM4UNITY DEVELOPMENT DEPARTMENT
E.J. Walsh, Development Services Manager
Scott Sproul, Building Official
Brian Asbury, Lakehaven Utility District
Chris Ingham, South King Fire & Rescue
Tanya Nascimento, Federal Way School District
Rick Perez, City Traffic Engineer
Stacey Welsh, Planning
9-10-15 - Internal
9-17-15, 9:00 - with applicant
.....................................................
15-104380-00-PC
PROJECT DESCRIPTION: Proposal to subdivide one lot into four single family
lots.
PROJECT CONTACT: ESM CONSULTING ENGINEERS LLC
EVAN MANN
33400 8 T11 AVE S SUITE 205
FEDERAL WAY, WA 98003
MATERIALS SUBMITTED: Master Land Use Application
Request Letter
Vicinity Map
Short Plat Conceptual Drawing
MASTER LAND USE APPLICATION
RECEIVED DEPARTMENT OF CommuNiTy DEVELOPMENT SERVICES
333258 1h Avenue South
CITY OF AUG 2 7 2015 Federal Way, WA 98003-6325
253-835-2607; Fax 253-835-2609
Fekde!�Wv�* CrTYOFFEDERALWAY www'01 WAUSM
COS
APPLICATION No(s) C) — oo — ((�ate IT11
Project Name Ostrom Short Plat
Property Address/Location 36606 Pacific Hwy S in South Federal Way
992104-9044
Parcel Number(s)
Project Description The proposal is to subdivide via §ho!lplat the 14,.95acres of the above parcel
o 4 lots to be served by on -site septic systems and wells.
'EhAbE rKIN I
Type of Permit Required
Annexation
Binding Site Plan
Boundary Line Adjustment
Comp Plan/Rezone
Land Surface Modification
Lot Line Elimination
xyX Preapplication Conference
Process I (Director's Approval)
Process 1E1 (Site Plan Review)
Process III (Project Approval)
Process IV (Hearing Examiner's Decision)
Process V (Quasi -Judicial Rezone)
Process VI
SEPA w/Project
SEPA Only
Shoreline: Variance/Conditional Use
Short Subdivision
Subdivision
Variance: Commercial/Residential
Required Information
—Zoning Designation
Comprehensive Plan Designation
Value of Existing Improvements
Value of Proposed Improvements
International Building Code (IBC):
Occupancy Type
Construction Type
g=1
Name: Evan Mann of ESM Consulting Engineers, LLC
Address: 33400 8th Ave S.
City/State: Federal Way, WA
Zip: 98003
Phone: 253-838-6113
Fax: 253-838-7104
Signature- Z?/
Agent (if 'eren
N=
Name: Same as Applicant
Address:
City/State:
Zip:
Phone:
Fax:
Email:
Signature:
Name: Doug and Cynthia Ostrom
Address: 36606 PACIFIC HWY S
City/State: Federal Way
Zip: 98003
Phone:
Fax:
Email: dougostrom@hot.,
Signature:
Bulletin #003 — January 1, 2011 Page 1 of 1
k:\Handouts\A4aster Land Use Application
August 27, 2015
City of Federal Way
Community Development Department
33325 8,h Ave South
Federal Way, WA 98003
AUG 2 7 ZW5 Job No. 1862-001-015
Crry � EEDF L. \NAY
CDS
IFIRIIIIIII pi
We are submitting to the City of Federal Way a request for a Pre -Application Conference at
the next available date. Please find our application, seven site plans, and an area detail
map enclosed with this letter/project narrative.
The proposal is to create a short plat in the south end of Federal Way along Highway 99.
The site consists of parcel 292104-9044, totaling approximately 14.95 acres. The site
address is: 36606 Pacific Hwy S, Federal Way. The subject property is zoned RS-35.0 per
the Federal Way Revised Code.
Property Information:
The site slopes gently downward from the northern edge to the southern edge of the
property, with a total of approximately 40' of relief across the site. The property contains a
large single-family home, a pond and several accessory structures. The site is largely
grass, though a significant wetland is located within and adjacent to the southern edge of
the property.
Surrounding uses are as follows:
North: Horse Stables
• South: Large Lot Single -Family Residential
West: School/Large Lot Single -Family Residential
• East: Undeveloped
Roads and Access:
Access to the proposed new lots is proposed to be provided via a private access
easement off of 81h Ave S. The proposed access easement will follow the alignment of the
existing driveway. It is anticipated that the existing home will continue to access Pacific
Hwy S. The exact level of improvements required by the City for a private access
easement serving large lots is not clearly defined in code and will be discussed at the pre -
application meeting.
ESM Federal Way
33400 8th Ave S, Ste 205
Federal Way, WA 98003
253.838.6113 tel
800.345.5694 toll free
253.838.7104fax
ESM Everett
1010 SE Everett Mall Way, Ste 210
Everett, WA 98208
425.297.9900 tel
800.345.5694 toll free
Civil Engineering Land Planning
Land Surveying Landscape Architecture
3I Laser Scanning GIS
www.esnncivil.com
City of Federal Way
August 27, 2015
Page 2
Improvements to 8th Ave S will likely be required. The exactly level of improvements
required is not entirely clear. The City code calls for 6' of sidewalk in addition to a 4'
landscaping strip, while simultaneously stating that the road should be designed to Cross
Section T (attached), which is slightly different. This discrepancy will also be addressed
during the pre -application process.
The proposed project should not require frontage improvements along Pacific Highway
South (SR-99).
Utilities:
Water service is located within S 373`d St, S 3591h St, and 8th Ave S (approximately 800'
south of the property. Extending water from any of these locations would likely be cost
prohibitive due to this distance. Extension via 8th Ave S is also encumbered by the
presence wetlands and streams near the site. The most likely solution is an upgrade or
expansion of the existing on -site exempt well to supply water to the proposed lots. This
would require upgrading the existing well to a Group B Water System, which will require
Seattle -King County Health Department approval.
Sewer service is not presently available near the site. It is likely that any new lots would
require the design and approval of individual septic systems through the Seattle -King
County Health Department.
Critical Areas:
A wetland and stream (Hylebos Creek) are located on -site. Per the City of Federal Ways
GIS data, the wetland was previously designated as a Category I wetland, requiring a 200'
buffer. The City's Critical Areas Ordinance was recently updated, which changed the buffer
requirements for Category I wetlands. Depending on the quality of habitat present on -site,
the buffer width can vary from 75' to 225' wide. Based on our experience, we estimate that
the required buffer width will be 190' or 225' in width. Both buffers are shown on the
attached GIS exhibits for reference.
The on -site stream is part of the West Hylebos Creek system. According to the City's GIS
data, this watercourse has been designated as Type F under the new Critical Areas
Ordinance, denoting that it supports or has the ability to support fish. Type F streams
require a 100' buffer, but due to the relative locations of the stream and wetland, the
required stream buffer is entirely enveloped by the wetland buffer.
According to the City's GIS data, the pond located near the western edge of the site is
shown as a stormwater detention pond; however, King County GIS data shows it to be a
wetland. Since the pond is not delineated on the City's Critical Areas maps, it will likely be
treated as a man-made feature and not a critical area. Evidence of its use as a stormwater
facility may be necessary in the future. This can usually be provided in the form of as-
builts or construction drawings, which can usually be found in the City's files.
Site Plan:
The attached site plan depicts a total of 4 lots, retaining the existing home, mother-in-law
quarters and well site on an 8.3-acre lot. The remaining 3 lots vary in size; however, they
all contain approximately 1-acre of upland area unencumbered by critical areas and their
buffers. This lot size is important as the Seattle -King County Health Department usually
requires a t1-acre minimum lot size for on -site individual septic systems.
r (@7u A st 27, 2015
Page 3
We look forward to meeting with you to discuss the project in more detail. Should you
have any questions, or require additional information, please contact me directly at 253-
838-6113.
Sincerely,
EVAN MAN
Project Pnner
Enclosures
Ilesm8kengrkesm-jobs11862=1 kOl 51documentlpre-app cover letter.doc
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not intended for use as a survey product. King County shall not be liable for any general, special, indirect, incidental, or consequential damages including,
but not limited to, lost revenues or lost profits resulting from the use or misuse of the information contained on this map. Any sale of this map or information on
this map is prohibited except by written permission of King County.
Date: n'King County
15- lo q 31(0-rc-
MITWAIUM
PARCEL # 2921049044
36606 Pacific Hwy. South
CITY OF FEDERAL WAY, WASHINGTON
Prepared for:
Thomas Thompson Architecl
29619 15th Ave NE
Stanwood, WA. 98292
29=r .
P. O. Box 731695
Puyallup, WA 98373
253 732-6515
MHeckertp_Q.Com
GO
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C.0
4=
CD
August 30, 2018
CD
mud
EXECUTIVE SUMMARY
The Brambila Residence Project Site is an approx. 15-acre project area comprised of one
parcel #2921049044, located at 36606 Pacific Hwy. South, City of Federal Way,
Washington. An assessment of this project area following the procedures outlined in the
Corps of Engineers (CoE) Wetland Delineation Manual - 2010 Western Mountains,
Valleys, and Coast (WMVC) Regional Supplement, Revised Washington State Wetland
Rating System (WSWRS), and City of Federal Way Code 15.10 (Critical Areas) resulted
in the identification of one wetland area (Wetlands A) and two Aquatic Areas.
Onsite assessment included an evaluation of the function and value rating for each
wetland, a classification of each wetland and stream following the U.S. Fish and Wildlife
Service methods, a categorization of each wetland and stream following City of Federal
Way Code 15.10 - Critical Areas, and an identification of the standard City of Federal Way
buffer width.
WETLAND
SIZE CITY OF
WA WETLAND
GENERAL Adjustment by Buffer Total
(sgft.) FEDERAL WAY
RATING
BUFFER WIDTH Function And
CATEGORY
SCORE
Land Use
A
168,877 1
44
200 ft. 0 ft. 200 ft.
* Wetland
size -on , site - west & south boundary not defined, continues off site
The Seattle District U.S. Army Corps of Engineers, the Washington Department of
Ecology, and City of Federal Way (as well as a number of other resource agencies)
regulate activities in and around identified wetland and stream areas. Such regulations
focus on the avoidance of adverse impacts to wetlands and the mitigation of such impacts
that cannot be avoided. In addition, City of Federal Way has established criteria to
categorize wetlands for purposes of regulation and requires a buffer along wetland and
drainage corridor areas.
As presently defined for the site the proposed action is to add an addition to the house.
The addition will be added to the northeast, away from the critical areas.
The on -site wetland will be protected by standard buffer and no encroachment is planned
as part of development.
EXECUTIVESUMMARY .............................................................................................. 2
INTRODUCTION............................................................................................................. 1
STUDYPURPOSE ........................... ......... . ................ ....................y......... ..
SITE DESCRIPTION ........
I
BACKGROUNDINFORMATION ................................................................................
2
NATIONAL WETLAND INVENTORY ............................... ........... ...........
2
CITY OF FEDERAL WAY WETLAND INVENTORY . ............ . ...............
2
WDFW PRIORITY HABITS AND SPECIES DATA.................................................................
2
SOILSMAPPING...........................................................................................................
2
ONSITEANALYSIS........................................................................................................
2
CRITERIA FOR WETLAND AND STREAM IDENTIFICATION....:..., ....................
2
STUDYMETHODS.......................................................................................................
3
FIELDOBSERVATION................................................................................................
3
WETLAND AND STREAM DETERMINATION ........................................................
WETLAND FUNCTION AND VALUE ASSESSMENT ............................................. 5
SITE WETLAND VALUATION
6
REGULATORYCONSIDERATION.............................................................................
U.S. ARMY CORPS OF ENGINEERS - SECTION 404 ................... .......:.........,..., 7
STATE OF WASHINGTON DEPARTMENT OF ECOLOGY . ......... .......:........:...,.
7
CITY OF FEDERAL WAY . 8
SELECTED DEVELOPMENT ACTION...................................................................... 9
FIGURES.........................................................................................................................10
REFERENCELIST........................................................................................................
11
ATTACHMENT 1- FIELD DATA FORMS ..............................................................12
ATTACHMENT2 ...................... .. _....................................................................13
WESTERN WASHINGTON - REVISED WASHINGTON STATE WETLAND
RATINGSYSTE(WS S) FORM ..........................................................................13
ATTACHMENT 3 - WETLAND DELINEATION MAP...........................................14
Prior to extensive site planning, this document should be reviewed and the wetland
boundaries verified by the appropriate resource and permitting agencies. Wetland
boundaries, wetland classifications, wetland ratings, and proposed buffers should be
reviewed and approved by City of Federal Way Planning and Land Services and
potentially other regulatory agencies. Beaver Creek Environmental Services, Inc. (BCES)
has provided professional services that are in accordance with the degree of care and
skill generally accepted in the nature of the work accomplished. No other warranties are
expressed or implied. BCES is not responsible for design costs incurred before this
document is approved by the appropriate resource and permitting agencies.
Mark Heckert
BCES
4
18024 — Brambila House WetRept
INTRODUCTION
This report details the activities and onsite evaluations undertaken to complete a wetland
and drainage corridor evaluation as an element of the planning and site development of
the Brambila Residence Site. The Brambila Residence Project Site is an approx. 15-
acre project area comprised of one parcel (#2921049044), located at 36606 Pacific Hwy.
South, City of Federal Way, Washington.
The evaluation and delineation of onsite and adjacent wetlands and drainage corridors is
a vital element in the planning and selection of a site development action. The goal of
this approach is to assure that planned site development does not result in adverse
environmental impacts to regulated wetlands, streams, and their associated protective
buffer areas.
Wetlands are generally defined as "those areas that are inundated or saturated by surface
water or ground water at a frequency and duration sufficient to support, and that under
normal circumstances do support, a prevalence of vegetation typically adapted for life
in saturated soil conditions."
(City of Federal Way Title 15).
The purpose of this document is to present the results of an onsite assessment and
evaluation of wetland areas within the Brambila Residence Project Site following the
methods and procedures outlined in the Corps of Engineers (CoE) Wetland Delineation
Manual - 2010 Western Mountains, Valleys, and Coast (WMVC) Regional Supplement
and City of Federal Way Code 15 (Critical Areas), and categorized using the Revised
Washington State Wetland Rating System (WSWRS). Drainage corridors were also
assessed in accordance with the criteria established by City of Federal Way and the State
of Washington Department of Natural Resources (WDNR) Forest Practice Rules (WAC
222-16-030). This study was designed to accommodate site planning and potential
regulatory actions and is suitable for submittal to federal, state, and local authorities for
wetland and stream boundary verification and permitting actions.
The project area is generally rectangular, approximately 15 acres in size. The site
contains a house, workshop, lake, and ornamental gardens.
The northern portion of the site has been cleared of most woody vegetation, and is
maintained as lawn. A created lake and stream occur in the southwest.
1
18024 — Brambila House WetRept
-kxr-lweril M I&TA =1 I W-11 0 19
The National Wetland Inventory (NWI) mapping completed by the U.S. Fish and Wildlife
Service was reviewed as a part of this assessment (fig. 2). This mapping resource
identified a PFOC, PEM1A, PSSC, PUBH wetland through the south and western part of
the parcel, and continuing significantly offsite to the northwest and south.
CITY OF FEDERAL WAY WETLAND INVENTORY
The City of Federal Way Wetland Inventory Mapping was reviewed as a part of this
assessment (fig. 3). This mapping resource identified a Cat. 1 Wetland through the south
and southwest corner of the site, and a major stream (West Hylebos Creek) in the
southwest corner of the site, and a major stream (Hylebos Creek) in the southeast corner
of the site. Wetland continues significantly offsite.
G1111111 1 J 1111111
WDFW Priority Habitats and Species (PHS) data was reviewed as a part of this
assessment (attached). This mapping resource identified "documented" anadromous fish
habitat and resident migratory utilization in the two streams and a wetland complex in
which the site is included.
PFSTRRIZ��
Soil Resource Report by NRCS was reviewed as a part of this assessment (fig. 5). This
mapping identified the following soils throughout the project site: Bh - Bellingham silt
loam, No - Norma sandy loam, Tu - Tukwila muck. These soils are listed as "hydric".
ONSITE ANALYSIS
CRITERIA FOR WETLAND AND STREAM IDENTIFICATION
Wetlands are transitional areas between aquatic and upland habitats. In general terms,
wetlands are lands where the extent and duration of saturation with water is the primary
factor determining the nature of soil development and the types of plant and animal
communities living in the soil and on its surface (Cowardin et al., 1979). Wetlands are
generally defined within land use regulations as "areas that are inundated or saturated by
surface or groundwater at a frequency and duration sufficient to support, and that under
normal circumstances do support, a prevalence of vegetation typically adapted for life in
saturated soil conditions" (CoE Manual).
2
18024 — Brambila House WetRept
Wetlands exhibit three (3) essential characteristics, all of which must be present for an area
to meet the established criteria within the Wash. Manual and the CoE Manual. These
essential characteristics are:
1. Hydrophytic Vegetation: A predominance of plants that are typically adapted
for life in saturated soils.
2. Hydric Soil: A soil that is saturated, flooded, or ponded long enough during the
growing season to develop anaerobic conditions in the upper horizons.
3. Wetland Hydrology: Permanent or periodic inundation, or soil saturation to the
surface, at least seasonally.
RVUNOIZ•r
BCES Consulting completed a specific onsite evaluation of the project area on May 15,
2018. The objective of this evaluation was to define and delineate potential wetland and
drainage corridor areas which may be present within and adjacent to the project area as
defined by the three -parameter criteria test noted within the Wash. Manual and CoE
Manual, and the water -typing criteria noted within the WDNR Forest Practice Rules (WAC
222-16-031).
Boundaries between wetland and non -wetland areas were established by examining the
transitional gradient between wetland and non -wetland characteristics criteria throughout
the site. Delineation was performed using the routine methodology for areas greater -than
than five acres as detailed in the CoE Manual.
As defined by existing site conditions and aerial photos, the project site has experienced
extensive use and development. The site was a large residential parcel, with the house
in the center of the site, a workshop east, gazebo, and sheds east of the house. A
constructed pond is situated in the southwestern boundary. A stream transects the site
along the south boundary, and another in the southwest corner. The stream in the
southwest corner appears to have been restored by rerouting the streambed and adding
gravels, and enhanced with vegetative plantings.
The majority of the project site was comprised of Norma sandy loam, a hydric soil.
The soils through the southern and western majority of the site are dark gray to black silt
loam and peat, with concretions and organic streaking. This area appears to remain
saturated to the surface well into the growing season. The surface soil layer within the
Wetlands A depression was generally silt loam. Soils in Wetland A meet the hydric soil
criteria.
3
18024 — Brambila House WetRept
MKM=
Hydrology within the project area appeared to be the result of hydro support by the
streams, and seasonal storm water runoff from onsite and adjacent properties; long and
short-term seasonal ponding and soil characteristics. The constructed pond is supported
by a spring at the north end of the feature. Stormwater surface runoff through the overall
project area was directed by topography to the south into the wetland area.
anu��
The primary plant community is the mixed forested portion of the property along the
southern boundary dominated by trees: Fraxinus latifolia (Oregon ash), Anus rubra (Red
alder), and a few Salix lasiandra (Pacific willow). This plant community was identified as
hydrophytic in character (i.e. typical of wetlands) in the areas identified as wetlands in the
west portion of the site.
The plant community outside the wetland areas was identified as non-hydrophytic in
character (i.e. not typical of wetlands).
Wetland determination was based on sample plots which contained hydrophytic
vegetation, hydric soils, and wetland hydrology in accordance with the CoE Manual and
the Wash. Manual. Based on these methods one wetland was identified within the project
area. Two areas were identified onsite to exhibit characteristics typical of a stream. One
area was identified onsite to exhibit characteristics typical of a pond.
WETLAND
A
SIZE CITY OF WA WETLA
(sqft.) FEDERAL WAY RATING
I CATEGORY � SCORE
168,877 1 1 1 44
GENERAL Adjustment by Buffer Total
BUFFER WIDTH Function and
Land Use
200 ft. 0 ft. 200 ft.
Wetland size onsite — west & south boundary not defined, continues offsite
Wetland A: This wetland is located throughout the south and western portions of the
site, and continues substantially offsite to the north and south. Hydrology for this wetland
was provided by primarily by overbank flooding from the streams, seasonal precipitation,
and spring to the pond.
Wetland A contains a created pond. This pond appears to have been created in wetland.
4
18024 — Brambila House WetRept
The buffer for Wetland A has been cleared and landscaped to the wetland edge as part
of previous development. A fence and paved driveway transect the buffer adjacent to the
created pond.
Since this wetland scored 25 Points by WSWRS, this wetland appeared to meet the
criteria for designation as a City of Federal Way Category 1 Wetland. General buffer for
a City of Federal Way Category 1 Wetland is 200 ft.
Major Stream A: Major stream A is a stream which originates north of the project site
and flows onsite in the southeast corner of the site. This stream provides habitat for both
anadromous and resident fish species and has perennial flow. This stream meets the
criteria for designation as a Major stream. Major streams require a 100 ft. buffer from the
stream edge [Ordinary High -Water Mark].
Major Stream B: Major stream B is a stream which originates northwest of the project
site and flows onsite through a culvert under Hwy. 99. This stream provides habitat for
both anadromous and resident fish species and has perennial flow. This stream meets
the criteria for designation as a Major stream. Major streams require a 100 ft. buffer from
the stream edge [Ordinary High -Water Mark].
Offsite Wetlands: Wetland A continues substantially offsite to the north and south.
WETLAND FUNCTION AND VALUE ASSESSMENT
Wetlands are known to perform significant roles in the ecosystem, some of which are of
immediate value to society. These roles vary greatly with the size, type, hydrology,
vegetation, and location of wetland areas. Although the ecological functions performed
by these wetlands are complex, interrelated, and difficult to assess and quantify, methods
have been developed for the U.S. Army Corps of Engineers (FGDC, 2013). The functions
provided by wetlands include hydrologic support, shoreline protection, stormwater and
floodwater storage, water quality, groundwater recharge, and provision of wildlife habitat.
CATEGORIZATION BASED ON FUNCTIONS
The functions that a wetland performs are characterized by answering a series of
questions that note the presence, or absence, of certain indicators. Indicators are
easily observed characteristics that are correlated with quantitative or qualitative
observations of a function (Hruby et al. 2000).
Dep,ressional or Flats Wetlands
Potential to Improve Water Quality
Potential to Reduce Flooding and Stream Erosion
Riverine and Freshwater, Tidal Fringe Wetlands
Potential to Improve Water Quality
5
18024 — Brambila House WetRept
Potential to Reduce Flooding and Stream Erosion
Opportunity to Reduce Flooding and Stream Erosion
Lake -fringe Wetlands
Potential to Improve Water Quality
Opportunity to Improve Water Quality
Potential to Reduce Shoreline Erosion
Opportunity to Protect Resources from Shoreline Erosion
Slope Wetlands
Potential to Improve Water Quality
Opportunity to Improve Water Quality
Potential to Reduce Flooding and Stream Erosion
Opportunity to Reduce Flooding and Erosion
Functions Related to Habitat for All Classes of Wetlands
Potential to Provide Habitat
Opportunity to Provide Habitat
Score and Category Based on Functions
Wetlands that are Category I based on functions need to score 23 points or more.
Total scores between 20-22 are Category 11; 16-19 are Category III, and less than
19 are Category IV,
The wetland areas identified within the overall project area were evaluated following the
functional value assessment process noted above.
As identified in this assessment Wetland A would be considered to have the overall
functional rating of Category 3.
0 Water Quality Functions — 8 points
0 Hydrologic Functions — 8 points
0 Habitat Functions — 9 points
& TOTAL score for functions — 25 points
The proposed alteration of lands defined by various federal, state, and local authority
rules and regulations as "wetlands" raises environmental concerns that are generally
addressed in the development review process. These concerns center on the
development's potential adverse impacts to the structure, function, value, and size of
these "wetland" areas. Such adverse impacts may include a reduction in wildlife habitats,
reduced surface water quality, reduced water retention, a reduced ground water recharge
6
18024 — Brambila House WetRept
rate, reduced plant species diversity, and the reduction in the function and value of other
associated wetland and non -wetland characteristics.
Section 404 of the Clean Water Act (33 U.S.C. 1344) prohibits the discharge of dredged
or fill material into "Waters of the United States" without a permit from the Corps of
Engineers (Corps). The Corps has jurisdiction over freshwater systems waterward from
the ordinary high water line of a water body or waterward from the upland boundary of
the adjacent wetland. The definition of fill materials includes the replacement of aquatic
areas with dry land, grading which changes the surface contour of a wetland, and
mechanized land clearing in wetlands. For the purposes of Section 404 permitting the
Corps makes the final determination as to whether an area meets the wetland definition
and would be subject to regulation under the Corps program.
Currently the Corps has two specific types of permits which apply to wetland fill proposals.
These two types are a series of specific Nationwide Permits and the Individual Permit.
The Nationwide Permit process identifies specific categories of work that can be
undertaken following a set of specific conditions applicable to each Nationwide Permit
number.
The Corps requires an Individual Permit where a proposed activity within an identified
jurisdictional wetland area can not be authorized under one of the Nationwide Permits.
Within the Individual Permit process the Corps undertakes a much more in-depth review
of the proposed project and the proposed impacts. The Corps must evaluate whether the
benefits derived from the project outweigh the foreseeable environmental impacts of the
project's completion.
All projects that proceed forward using either one of the Nationwide Permits or the
Individual Permit process must also comply with the provisions of the Endangered
Species Act.
As defined by a recent U.S. Supreme Court decisions the Corps of Engineers does not
typically regulated "isolated" wetlands pursuant to Section 404 of the Clean Water Act.
Under this decision "isolated" wetlands do not exhibit a continuous surface water
connection to other, downstream aquatic system.
Proposed action undertaken through either of the Corps of Engineers processes
(Nationwide or Individual) are also subject to the provisions of the Washington State
Department of Ecology Section 401 Water Quality Certification Process. Projects that
may be exempt from Corps of Engineers Section 404 jurisdiction may still require review
by the Washington State Department of Ecology to ensure consistency with State water
quality protection provisions.
7
18024 — Brambila House WetRept
15.10.270 Structures, improvements, and clearing and grading within regulated
wetland buffers.
(1) Generally. Except as allowed in this section, no clearing and grading may
take place and no structure or improvement may be located within a regulated
wetland buffer.
(2) Wetland buffer averaging. Wetland buffers may be averaged only when the
wetland or the buffer which is proposed to be reduced contains habitat types
which have been so permanently impacted that reduced buffers do not pose a
detriment to the existing or expected habitat functions. Through Process III per
Chapter 19.65 FWRC, the applicant must demonstrate to the satisfaction of the
shoreline administrator that the proposed buffer averaging will meet all of the
following criteria:
(a) Reduced buffers will not affect the water quality entering a wetland or stream;
(b) Reduced buffers will not adversely affect the existing quality of wildlife habitat
within the wetland or the buffer;
(c) Reduced buffers will not result in unstable earth conditions nor create erosion
hazards; and
(d) Reduced buffers will not be detrimental to any other public or private
properties, including the loss of open space.
At no point shall the buffer width be reduced to less than 50 percent of the
required standard buffer width, unless the buffer, in existing conditions, has
already been permanently eliminated by previous, legally permitted actions. The
total area contained within the buffer after averaging shall be equal to the area
required for standard buffer dimensions.
(3) Essential public facilities, public utilities, and other public improvements. The
shoreline administrator may permit the placement of an essential public facility,
public utility, or other public improvements in a regulated wetland buffer if he or
she determines that the line or improvement must traverse the buffer because no
feasible or alternative location exists based on an analysis of technology and
system efficiency. The specific location and extent of the intrusion into the buffer
must constitute the minimum necessary encroachment to meet the requirements
of the public facility or utility.
s
18024 — Brambila House WetRept
As presently defined for the site the proposed action is to add an addition to the northeast
side of the existing house. This addition will face away from the wetland, and the buffer
in this area is degraded • land use activities. The addition is occluded by the present
house and all area of addition is presently driveway and landscaping.
8ecause OT Tne poglly— -;a —,rr#7A!-f p—dM
will occur to the wetland or its buffer.
Standard buffer will be attached to the wetland. No encroachment will occur to the
wetland, it's buffer or the Major Streams or their buffers.
9
18024 — Brambila House WetRept
REFERENCE LIST
Adamus, P.R., E.J. Clairain Jr., R.D. Smith, and R.E. Young. CoE. Wetland Evaluation
Technique (WET); Volume II: Methodology, Operational Draft Technical Report Y-87,
U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. La Roe. 1979. Classification of Wetlands
and Deepwater Habitats of the United States. Office of Biological Services, U.S. Fish
and Wildlife Service, U.S. Department of the Interior, FWS/OBS-79/31.
Environmental Laboratory. CoE. "Corps of Engineers Wetlands Delineation Manual,"
Technical Report Y-87-1, US Army Engineer Waterways Experiment Station, Vicksburg,
Miss.
Federal Geographic Data Committee. 2013. Classification of wetlands and deepwater
habitats of the United States. FGDC-STD-004-2013. Second Edition. Wetlands
Subcommittee, Federal Geographic Data Committee and U.S. Fish and Wildlife Service,
Washington, DC.
Hitchcock, C.L., A. Cronquist. 1977. Flora of the Pacific Northwest. University of
Washington Press. Seattle, Washington.
Reppert, R.T., W. Sigleo, E. Stakhiv, L. Messman, and C. Meyers. 1979. Wetland
Values - Concepts and Methods for Wetland Evaluation. Research Report 79-R1, U.S.
Army Corps of Engineers, Institute for Water Resources, Fort Belvoir, Virginia.
U.S. Department of Agriculture, Soils Conservation Service. Soils Survey of King
County Area Washington, February 1979.
U.S. Army Corps of Engineers. 2010. Regional Supplement to the Corps of Engineers Wetland
Delineation Manual: Western Mountains, Valleys, and Coast Region (Version 2.0), ed. J. S.
Wakeley, R. W. Lichvar, and C ' V. Noble. ERDC/EL TR-1 0-3. Vicksburg, MS: U.S. Army
Engineer Research and Development Center
Washington State Department of Ecology. 1997. Washington State Wetlands
Identification and Delineation Manual. Publication Number 96-94.
Washington State Department of Fisheries, Catalog of Washington Streams and
Salmon Utilization, Volume 1., 1975
11
18024 — Brambila House WetRept
12
18024 — Brambila House WetRept
1
Western Washington - Revised Washington State Wetland Rating System(WSWRS)
form
13
18024 — Brambila House WetRept
14
18024 — Brambila House WetRept
Beaver Creek Environmental Services 1 inch = 1,000 feet Fig. 1
MHeckert@Q.com 0 500 1,000 2,000 ambrila Site
253 732 6515 Feet Parcel 2921049044
August 30, 2018 Site Vicinity,
PFOA
Sources: Esri, HERE, Garmin, Intermap, increment
FAO, UPS, NRCAN, GeoBase, IGN, Kadaster NL„ I
METI, Esri China (Hong Kong), swisstopo, @ OpeN
the GIS user Community
Beaver Creek Environmental Services 1 inch = 500 feet
MHeckert@Q.com 0 255 510 1,020
253 732 6515 Feet
August 30, 2018
iMap contributors, rand
•
Barnbrila Si
a �dA i"n
Beaver Creek Environmental Services
2537326515
August30,2018
1 inch = 400 feet
0 205 410 820
Fi,
Bambrila S
Wetland name or number
Name of wetland (or ID #): Wetland A Date of site visit:. 15-May-18
Rated by M Heckert Trained by Ecology? Eues"o Date of training 15-May
HGM Class used for rating Depressional & Flats Wetland has multiple HGM classes? Yes Elio
NOTE: Form is not complete with out the figures requested (figures can be combined).
Source of base aerial photo/map ESRI King County
OVERALL WETLAND CATEGORY I (based on functions Ur special characteristics "
1. Category of wetland based on FUNCTIONS
X Category I - Total score = 23 - 27
Category 11 - Total score = 20 - 22
Category III - Total score = 16 - 19
Category IV - Total score = 9 - 15
FUNCTION
Impr' rologic
Habitat
Water QualityI
List appropriate rating
(H, M, Q
Siie Potential
M M
H
Landscape Potential
H H
H
-Value
H H
H Total
Score Based on
8 8
9 25
2. Category based on SPECIAL CHARACTERISTICS of wetland
CHARACTERISTIC Category
Estuarine
Wetland of High Conservation Value
Bog
Mature Forest
Old Growth Forest
Coastal Lagoon
Interclunal
None of the above x
Score for each
function based
on three
ratings
(order of ratings
is not
important)
Wetland Rating System for Western WA: 2014 Update
Rating Form - Effective January 1, 2015 - WSDOT Adapted Form - March 2, 2015
Wetland name or number Brambila FedWay
Maps and Figures required to answer questions correctly for
Western Washington
oepresmna|vvetlanb
Riverine Wetlands
Lake Fringe Wetlands
Wetland Rating System for Western WA: 2014Update
1. Are the water levels inthe entire unit usually controlled bytides except during floods?
[] YES - the wetland class is Tidal Fringe - go to 1.1
un-Saltwater Tidal Fringe (Emtuahne) -Freshmuater Tidal Fringe
Ifyour wetland can beclassified axaFreshwater Tidal Fringe use the forms for Rivuhnewetlands. xit is
Saltwater Tida|Fringe xisanEstuarine we |andandi,notscoed.Th|smethud,annn«beusedtoscorefuncuon,for
estuarine wetlands.
2. The entire wetland unit is flat and precipitation is the only %of water to it.
Groundwater and surface water runoff are NOT sources of water to the unit.
|Ej NO - go to 2 wetland class is Flats
If your wetland can be classified as a Flats wetland, use the form for Depressional wetlands.
3.Does the entire wetland unit meet all nfthe following criteria?
ElThe vegetatedpertofthe*etandieonthaahoreaofebodyofpenmanantopenwnter(witAoutany
plants onthe surface atany time ofthe year) otleast 20ac(8ha) inaize�
At least 30% of the open water area is deeper than 6.6 ft (2 m).
ElNO-go to4 -The wrdandclass is Lake Fringe (LacustrinrFringe)
4. Does the entire wetland unit meet all ofthe following criteria?
13 The wetland is on a slope (slope can be very gradual),
[3The water flows through the wetland inone direction (unidinanUona|)and usually comes from seeps.
|tmay flow subsurface, eeaheetflmw.orinoewo|ewithout distinct banks. ^
�-�The water leaves the wetland without being impounded.
MES -The wetland class is Slope
NOTE: Surface water does not pond in these type of wetlands except occasionally in very small and shallow depressions or behind
hummocks (depressions are usually <3 ft diameter and less than I ft deep).
5. Does the entire wetland unit meet all ofthe following criteria?
Mhe unit is in a valley, or stream channel, where it gets inundated by overbank flooding
from that stream orriver,
MES -The wetland class is Fiverine
Rating Form - Effective January 1, 2015
6. Is the entire wetland unit in a topographic depression in which water ponds, or is saturated to the surface, at
some time during the year? This means that any outlet, if present, is higher than the interior of the wetland.
MES -The wetland class is Depressional
7. Is the entire wetland unit located in a very flat area with no obvious depression and no overbankflooding7
The unit does not pond surface water more than afew inches. The unit seems tobemaintained byhigh
groundwater in the area. The wetland may be ditched, but has no obvious natural outlet.
MES -The wetland class is Depressional
8. Your wetland unit seems to be difficult to classify and probably contains severaldifferent H8K8classes. For
example, seeps at the base of a slope may grade into a riverine floodplain, or a small stream within a
Depressional wetland has a zone of flooding along its sides. GO BACK AND IDENTIFY WHICH OF THE
HYDROLOGIC REGIMES DESCRIBED IN QUESTIONS 1-7 APPLY TO DIFFERENT AREAS IN THE UNIT
(make a rough sketch to help you decide). Use the following table to identify the appropriate class to use for
the rating system if you have several HGM classes present within the wetland unit being scored.
NOTE: Use this table only if the class that is recommended in the second column represents 10% or more of
the total area of the wetland unit being rated. If the area of the HGM class listed in column 2 is less than 10%
of the unit; classify the wetland using the class that represents more than 90% of the total area.
Ifyou are still unable to determine which of the above criteria apply to your wetland, or if you have more than
HGM classes within a wetland boundary, classify the wetland as Depressional for the rating.
Wetland Rating System for Western WA: 2014Updote
�Vetland name or number B�pthbfla FedWav
',WaterCublity Functions Inclicator s that the site fu ndians to improve water quality
D 1.0. Does the site have the potential to improve water quality?
D 1.1. Characteristics of surface water outflows from the wetland:
Wetland is a depression or flat depression (QUESTION 7 on key)
with no surface water leaving it (no outlet). points = 3
Wetland has an intermittently flowing stream or ditch, OR highly
constricted permanently flowing outlet. points = 2
1
M, etland has an unconstricted, or slightly constricted, surface outlet
that is permanently flowing points = 1
Metland is a flat depression (QUESTION 7 on key), whose outlet is
a permanently flowing ditch, points = 1.
D 1.2. The soil 2 in below the surfacejor duff laver l is true clay or true organic (use NRCS
0
definitions). Yes =4 No=O
D 1.3. Characteristics a (Emergent, Scrub -shrub, and/or Forested Cowardin
classes) -
Wetland has persistent, ungrazed, plants > 95% of area points = 5
5
Wetland has persistent, ungrazed, plants > 1/2of area points = 3
Wetland has persistent, ungrazed plants > of area points = 1
Wetland has persistent, ungrazed plants < of area points = 0
D 1.4. Characteristics of season23LfqgnndinR car Inundation:
This is the area that is ponded for at least 2 months. See description in manual.
Area seasonally ponded is > 1/2 total area of wetland points = 4
4
Area seasonally ponded is > 1/4 total area of wetland points = 2
Area seasonally ponded is < 1/4 total area of wetland points = 0
Total for D 1 Add the points in the boxes above,::
10
Rating of Site Potential if score is; 1 0 -5 = Record the rating on the first page
D 2.0. Does the landscape have the potential to support the water quality function of the site?
D 2.1. Does the wetland unit receive stormwater discharges? Yes = 1 No = 01:
D 2.2. Is > 10% of the area within 150 ft of the wetland in land uses that
generate pollutants? Yes = 1 No = 0
D 2.3. Are there septic systems within 250 ft of the wetland? Yes = 1 No = 0
D 2.4. Are there other sources of pollutants coming into the wetland that are
not listed in questions D 2.1 - D 2.3?
Source Yes =1 No=0_
--
Total for D 2 Add the points in the 6oxes
4
Rating of Landscape Potential If score is: 3 H 1 or 0 = L Record the rating on the
first page
b-730—`Is —the water quality improvement provided by the site valuable to society?
D 3.1. Does the wetland discharge directly (i.e., within 1 mi) to a stream, river,
1
lake, or marine water that is on the 303(d) list? Yes = 1 No = 0
D 3.2. Is the wetland in a basin or sub -basin where an aquatic resource is on the 303(d) list?
1
Yes=1 No=0
D 3.3. Has the site been identified in a watershed or local plan as important
for maintaining water quality (answer YES if there is a TMDL for the basin in which the
0
unit isfound )? Yes =2 No=O
ITotal for D 3 Add the points in the boxes above
Rating of Value If score is, I 7 = Record the rating on the
, Eff - - in
first page
Wetland Rating System for Western WA: 2014 Update
Rating Form - Effective January 1, 2015 5 WSDOT Adapted Form - March 2, 2015
m
H'yordil6glic' Functioiris indicators that the site'functi6ns to reduce flooding and strearn-clegradation,',
D 4.0. Does the site have the potential to reduce flooding and erosion?
D 4.1. Characteristics of surface water outflows from the wetland:
Wetland is a depression or flat depression with no surface water
leaving it (no outlet)
points = 4
Wetland has an intermittently flowing stream or ditch, OR highly
constricted permanently flowing outlet
points = 2
Wetland is a flat depression (QUESTION 7 on key), whose outlet is
a permanently flowing ditch
points = 1
Wetland has an unconstricted, or slightly constricted, surface outlet
that is permanently flo�y�n_
points = 0
,th of storage -ing wet periods: Estimate the height of ponding above the bottom of the outlet. For
wetlands with no outlet, measurefrom the surface of permanent water or if dry, the deepest part.
Marks of ponding are 3 ft or more above the surface or bottom of outlet
points = 7
Marks of ponding between 2 ft to < 3 ft from surface or bottom of outlet
points = 5 5
13Marks are at least 0.5 ft to < 2 ft from surface or bottom of outlet
points = 3
Mhe wetland is a "headwater" wetland
points = 3
Wetland is flat but has small depressions on the surface that trap water
points = 1
4.3. Contribution of the wetland to storage in the watershed: Estimate the ratio of the area of upstream basin
contributing surface water to the wetiond to the area of the wetland unit itself.
E:117he area of the basin is less than 10 times the area of the unit
points = 5 3
The area of the basin is 10 to 100 times the area of the unit
points = 3
The area of the basin is more than 100 times the area of the unit
points =
UEntire wetland is in the Flats class
points = 5
Total for D 4 Add the points in the boxes above
Rating of Site Potential If score is: 12M H 6 - 1U 0-5=[3 Record the rating on the first page
D 5.1. Does the wetland unit receive stormwater dischaL2es? Yes = 1 No = 0
D 5.2. Is > 10% of the area within 150 ft of the wetland in land uses that generate excess runoff? 1
D 5.3. Is more than 25% of the contributing basin of the wetland covered with intensive human
land uses (residential at >1 residence/ac, urban, commercial, agriculture, etc.)? I
Total for D 5 Add the points in the boxes abovel 3
Rating of Landscape Potential If score is: 3 =[A I or," 0 = L 13 Record the rating on the first page
-
Wetland name or number Brambila Eed_W_ay_
Rating of Value If score is: ES H 1 =. [3 0=X3 Record the rating on the first page
Wetland Rating System for Western WA: 2014 Update
Rating Form - Effective January 1, 2015 7 WSDOT Adapted Form - March 2, 2015
These questions apply to wetlands of all HGM classes.
HABITAT FUNCTIONS - indicators that site functions to provide important habitat
H 1.0. Does the site have the potential to provide habitat?
H 1.1. Structure of plant community: Indicators are Cowardin classes and strata within the
Forested class. Check the Cowardin plant classes in the wetland. Up to 10 patches may be
combined for each class to meet the threshold of 1/4ac or more than 10% of the unit if it is smaller
than 2.5 ac. Add the number of structures checked.
Mcrub-shrub (areas where shrubs have > 30% cover) 2 structures: points - 1
ElForested (areas where trees have > 30% cover) 1 structure: points = 0
If the unit has a Forested class, check if:
El The Forested class has 3 out of 5 strata (canopy, sub -canopy, shrubs, herbaceous,
moss/2round-cover) that each cover 20% within the Forested
Check the types of water regimes (hydroperiods) present within the wetland. The water regime
has to cover more than 10% of the wetland or 1/4 ac to count (see textfor descriptions of hydroperiods)
ElPermanently flooded or inundated 4 or more types present: points = 3
Measonally flooded or inundated 3 types present: points = 2 3
Mccasionally flooded or inundated 2 types present: points = 1
Maturated only 1 types present: points = 0
OPermanently flowing stream or river in, or adjacent to, the wetland
Measonally flowing stream in, or adjacent to, the wetland
E31-ake Fringe wetland 2 points
EllFreshwater tidal wetland 2 points
H 1.3. Richness of plant species
Count the number of plant species in the wetland that cover at least 1 0 ft2
Different patches of the same species can be combined to meet the size threshold and you do
not have to name the species. Do not include Eurasian milfoil, reed canarygrass, purple loosestrife,
Canadian thistle 2
Decide from the diagrams below whether interspersion among Cowardin plants classes
(described in H 1.1), or the classes and unvegetated areas (can include open water or mudflats)
is high, moderate, low, or none. If you have four or more plant classes or three classes and open
water, the rating is always high.
None = 0 points Low I point Moderate 2 points
All three diagrams
in this row are
HIGH = 3 points
VvetianuRating System for Western WA: 2014Upuate
H 1.5. Special habitat features:
Check the habitat features that are present in the wetland. The number of checks isthe number 'o/points.
Marge, downed, woody debris within the wetland (>4indiameter and Sftlong)
jMtanding snags (dbh>4in) within the wetland
ElUndercut banks are present for at least 6.6 ft (2 m) and/or overhanging plants extends at least
3.3ft(zm) over astream (or ditch) in, urcontiguous with the wetland, for otleast 33ft(10m) U� 4
Mtable steep banks of fine material that might be used by beaver or muskrat for clenning
(> 30 degree slope) OR signs of recent beaver activity are present (cutshrubs or trees that
have not yet weathered where wood is exposed)
Mt least 1/4ac of thin -stemmed persistent plants or woody branches are present in areas
that are permanently or seasonally inundated (structures for egg -laying by amphibians)
[31nvasive plants cover less than 25% of the wetland area in every stratum of plants (see H
1.1 for list of strata
Total for H 1 Add the points in the boxes abovial 16
Rating of Site Potential If Score is: 15a = H 7 - 11:W 0 - 6 =Ej Record the rating on the first page
H 2.0. Does the landscape have the potential to support the habitat function of the site?
H 2.1 Accessible habitat (include only habitat that directly abuts wetland unit).
10 % undisturbed habitat + 30 % moderate & low intensity
land uses / 2 25%
If total accessible habitat is:
2
H 2.2. Undisturbed habitat in 1 km Polygon around the wetland.
40 % undisturbed habitat + 60 % moderate & low intensity
land uses 2 70%
Undisturbed habitat > 50% of Polygon
points = 3 3
Undisturbed habitat 10 - 50% and in 1-3 patches
points = 2
Undisturbed habitat 10 - 50% and > 3 patches
points = 1
Undisturbed habitat < 10% of 1 krn Polygon
points = 0
2.3 Land use intensity in 1 krn Polygon: If
> 50% of 1 krn Polygon is high intensity land use
points = (-2) 0
5 50% of 1krn Polygon is high intensity
points = 01
_5
Total for H 2 Add the points in the boxes above7
Rating of Landscape Potential If Score is: 4-" 1-34—1 <I= LT3""
Record the rating on the first page
habitat provided by the site valuable to society?
1H 3.1, Does the site provide habitat for species valued in laws, regulafifon'sor
policies? choose onl-yl
thehighest � � � �score that - u,the wetland being rated
Site meets ANY of the following criteria: points = 2
131t has 3 or more priority habitats within 100 m (see next page)
Ellt provides habitat for Threatened or Endangered species (any plant
or animal on the state or federal lists)
[31t is mapped as a location for an individual WDFW priority species 2
[31t is a Wetland of High Conservation Value as determined by the
Department of Natural Resources
131t has been categorized as an important habitat site in a local or
regional comprehensive plan, in a Shoreline Master Plan, or in a
watershed plan
Site has 1 or 2 priority habitats (listed on next page) with in 100m points 1
Site does not meet any of the criteria above 2oints Oj
Rating of Value If Score is: 14:1 "� = _L0_ Record the rating on the first page
Wetland Rating System for Western WA: 2014Update `
httg:lb&OfW,,W�3�go2�2Ubl'iCMiWL/00165Li�yg�LAL00165�Ddf or access the list from here:
Count how many of the following priority habitats are within 330 ft (100 m) of the wetland unit: NOTE:
question is independent of the land use between the wetland unit and the priority habitat. I
wildlife (full descriptions in WDFW PHS report
Old-growth/Mature forests: Old -growth west of Cascade crest — Stands of at least 2 tree species,
forming a multi -layered canopy with occasional small openings; with at least 8 trees/ac (20 trees/ha)
> 32 in (81 cm) dbh or > 200 years of age. Mature forests — Stands with average diameters
exceeding 21 in (53 cm) dbh; crown cover may be less than 100%; decay, decadence, numbers of
snags, and quantity of large downed material is generally less than that found in old -growth; 80-200
years old west of the Cascade crest.
EN Oregon White Oak: Woodland stands of pure oak or oak/conifer associations where canopy coverage of the oak
component is important (full descriptions in WDFW PHS report p. 158 — see web link above).
^Riparian: The area adjacent to aquatic systems with flowing water that contains elements of both aquatic and terrestrial
ecosystems which mutually influence each other.
�vxeotsidePeiries: Herbaceous, non -forested plant communities that can either toke the form ofadry prairie orawet
prairie (full descriptions in WDFIN PHS report p. 161 —see web link above).
mstream:The combination ufphysical, biological, and chemical processes and conditionthat interact to provide
functional life history requirements for instrearn fish and wildlife resources.
El Nearshore: Relatively undisturbed nearshore habitats. These include Coastal Nearshore, Open
Coast Nearshore, and Puget Sound Nearshore. (full descriptions of habitats and the definition of
relatively undisturbed are in WDFW report — see web link on previous page).
Caves: Anaturally occurring cavity, recess, void, or system of interconnected passages under the earth in soils, rock, ice,
orother geological formations and islarge enough tocontain ahuman.
Tm|ua: Homogenous areas ofrock rubble ranging inaverage size O.s ssft(o.zs z.Om),composed nfbasalt, ondesue,
and/or sedimentary rock, including riprap slides and mine tailings. May be associated with cliffs.
IM Snags and Logs: Trees are considered snags if they are dead or dying and exhibit sufficient decay
characteristics to enable cavity excavation/use by wildlife. Priority snags have a diameter at breast
height of > 20 in (51 cm) in western Washington and are > 6.5 ft (2 m) in height. Priority logs are > 12
in (30 cm) in diameter at the largest end, and > 20 ft (6 m) long.
Note: All vegetated wetlands are bydefinition apriority habitat but are not included |nthis list because d`evareaddressed
elsewhere.
VvetlandRating System for Western WA: on14Update
vvedandRating System for Western WA: 2014Update '
RobngFonm Effective January 1.2015 , 11 vVGDOTAdapted Form March 2.0010
Wetland name or number. Srambil _l*edW
CATEGORIZATION BASED ON SP CI L CHARACTERISTICS
Wetland Type Category
Check off any criteria that 22 1 eLyto the wetland List the oa Rory when the 22ero rrate'criteria are met
SC 1.0. Estuarine Wetlands
Does the wetland meet the following criteria for Estuarine wetlands?
The dominant water regime is tidal,
Vegetated, and
With a salinity greater than 0.5 ppt
Yes - Go to SC 1.1 NO = Not an estuarine wetland
SC 1.1. Is the wetland within a National Wildlife Refuge, National Park, National Estuary
Reserve, Natural Area Preserve, State Park or Educational, Environmental, or Scientific'
Reserve designated under WAC 332-30-151?
Yes = Category I No - Go to SC 1.2
SC 1.2. Is the wetland unit at least 1 ac in size and meets at least two of the following three conditions?
The wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing,
and has less than 10% cover of non-native plant species. (If non-native species are
Sportino, see page 25)
At least % of the landward edge of the wetland has a 100 ft buffer of shrub, forest, or un-
grazed or un-mowed grassland.
EN The wetland has at least two of the following features: tidal channels, depressions with
open water, or contiguous freshwater wetlands.
Yes = Cate o No = Cate II
SC 2.0. Wetlands of Nigh Conservation Value (WHCV)
SC 2.1. Has the WA Department of Natural Resources updated their website to include the list
of Wetlands of High Conservation Value?
Yes - Go to SC2.2 E3No - Go to SC2.3'
SC 2.2. Is the wetland listed on the WDNR database as a Wetland of High Conservation Value?'
13 Yes = Category I NO = Not WHCV
SC 2.3. Is the wetland in a Section/Township/Range that contains a Natural Heritage wetland?
htto:ti 1_.dnr.wa,00v/nl/refdesk/datasearclh/wnho�dS. df
EX Yes - Contact WNHP/WDNR and to SC 2.4 No = Not WHCV'
SC 2.4. Has WDNR identified the wetland within the S/T/R as a Wetland of High Conservation
Value and listed it on their website?
Yes =Cate or I E3 No = Not WHCV
SC 3.0. Bogs
Does the wetland (or any part of the unit) meet both the criteria for soils and vegetation
In bogs? Use the key below. If you answer YES you will still need to rate the wetland based on its
functions.
SC 3.1. Does an area within the wetland unit have organic soil horizons, either peats or mucks,
that compose 16 in or more of the first 32 in of the soil profile?
Yes - Go to SC 3.3, El_; NO - GO to SC 3.2'
SC 3.2, Does an area within the wetland unit have organic soils, either peats or mucks, that are
less than 16 in deep over bedrock, or an impermeable hardpan such as clay or volcanic
ash, or that are floating on top Of a lake or pond?
es - Go to SC 3.3 No = Is not a bog'
SC 3.3. Does an area with peats or mucks have more than 70% cover of mosses at ground
level, AND at least a 30% cover of plant species listed in Table 4?
Yes = Is a Category I bog IE3 No - Go to SC 3.4'
NOTE: If you are uncertain about the extent of mosses in the understory, you may
substitute that criterion by measuring the pH of the water that seeps into a hole dug at
least 16 in deep. If the pH is less than 5.0 and the plant species in Table 4 are present,
the wetland is a bog.
SC 3.4. Is an area with peats or mucks forested (> 30% cover) with Sitka spruce, subalpine fir,
western red cedar, western hemlock, lodgepole pine, quaking aspen, Engelmann
spruce, or western white pine, AND any of the species (or combination of species) listed
in Table 4 provide more than 30% of the cover under the canopy?
Yes = Is a Category I bog' E3 No=isnotabogi
Wetland Rating System for Western WA: 2014 Update
Rating Form - Effective January 1, 2015 - 12 WSDOT Adapted Form- March 2, 2015
I
Wetland name or number Brambila FedWay
SC 4.0. Forested Wetlands
Does the wetland have at least I contiguous acre of forest that meets o n e of these criteria for the
WA Department of Fish and Wild life's forests as priority habitats? If you answer YES you will still need
to rate the wetland based on its functions.
Old -growth forests (west of Cascade crest): Stands of at least two tree species, forming
a multi -layered canopy with occasional small openings; with at least 8 trees/ac (20
trees/ha) that are at least 200 years of age OR have a diameter at breast height (dbh)
of 32 in (81 cm) or more.
Mature forests (west of the Cascade Crest): Stands where the largest trees are 80- 200 years old OR the
species that make up the canopy have an average diameter (dbh) exceeding 21 in (53 cm).
Yes, =, Cate m I F3 No = Not a forested wetland for this section
SC 5.0. Wetlands in Coastal Lagoons
Does the wetland meet all of the following criteria of a wetland in a coastal lagoon?
El The wetland lies in a depression adjacent to marine waters that is wholly or partially
separated from marine waters by sandbanks, gravel banks, shingle, or, less frequently,
rocks
E3 The lagoon in which the wetland is located contains ponded water that is saline or
brackish (> 0.5 ppt) during most of the year in at least a portion of the lagoon (needs to be
measured near the bottom )
n Yes - Go to SC 5.1 No = Not a wetland in a coastal lagoon
SC 5.1. Does the wetland meet all of the following three conditions?
E3 The wetland is relatively undisturbed (has no diking, ditching, filling, cultivation, grazing),
and has less than 20% cover of aggressive, opportunistic plant species (see list of
species on p. 100).
At least 3/4of the landward edge of the wetland has a 100 ft buffer of shrub, forest, or un-
grazed or un-mowed grassland.
El The wetland is larger than 1/10 ac (4350 ft2)
Mes = Category I E3 No = Category 11
sTi_5.1;i;rdunal Wetlands
Is the wetland west of the 1889 line (also called the Western Boundary of Upland
Ownership or WBUO)? if you answeryes you will still need to rate the wetland based on its
habitat functions.
In practical terms that means the following geographic areas:
Long Beach Peninsula: Lands west of SR 103
Grayland-Westport: Lands west of SR 105
Ocean Shores-Copalis: Lands west of SR 115 and SR 109
[3 Yes -Go to SC 6.1 No = Not an interdunal wetland for rating
SC 6.1. Is the wetland 1 ac or larger and scores an 8 or 9 for the habitat functions on the form
(rates H, H, H or H, H, M for the three aspects of function)?
E]Yes = Category I E3 No-GotoSC6.2
SC 6.2. Is the wetland 1 ac or larger, or is it in a mosaic of wetlands that is 1 ac or larger?
[3Yes = Category It El No - Go to SC 6.3
SC 6.3, Is the unit between 0.1 and I ac, or is it in a mosaic of wetlands that is between 0.1 and
1 ac?
'Yes = Cate or III E3 No = category IV
Fategory of tland based on Special Characteristic7—
If you answered No for all t2es, enter "Not Applicable" on Summaa Form
Wetland Rating System for Western WA: 2014 Update
Rating Form - Effective January 1, 2015 13 WSDOT Adapted Form - March 2,2015
' � ~
Project/Site:City/County: Sampling
Applicant/Owner: Bambrila State: Sampling Point:
|nwas5oat»n(s): M, HECKERT Section, Township, Range:
Lundfomn(mxo|ope.terrace, etoJ: flat Localre|ief (cmncmve.convex, none): none 8lopeCm�____
S"bneQion(umu): Let: Long: oatum:_______
Soil Map Unit Name: NvV|danomcation: PEMIA
Are climatic / hydrologic conditions onthe site typical for this time cxyear? veoE] No El (If no, explain inRemanm.)
Are Vegetation .Soil ___..o,Hydrology ____ significantly disturbed? Are "Normal Circumstances" present? Yes No
Are Vegetation Soil orHydrology ____ naturally problematic? (if needed, explain any answers mRvmoms.)
_Q/IMmoARY rn;: F|Nn|hir-9 — Aoanh site man shomwina S2nnn||na point locations, transeots. important features, etc.
Hydrophytic Vegetation Present? Yes Z No
Is the Sampled Area
Hydric Soil Present? Yes 0 No El
Yes No
within a Wetland?
1 Wetland Hydrology Present? Yes JZ No El
I Remarks:
VEGETATION — Use scientific names of plants.
Absolute Dominant Indicator Dominance Test worksheet:
lLee§traturn (Plot size: I OM) % Cover 5pocies? Status Number of Dominant Species
2, — Total Number of Dominant
3Species Across All Strata:
4— Percent of Dominant Species
2.
- L2,
Prevalence Index worksheet:
____-___`
oeILepeuieo 0x1=g______
�FACWepec|ea �� x2=100�
PAC species 30xa= 90l_____
---- ----------- ----- |.
To FxCU i ILx4=0______
Total �. epauvs
=Tota|oo,e
UPILopeuiea U�»m=CL_____
L
Prevalence Index = B/A=2.4
Hydrophytic Vegetation Indicators:
�Rapid Test for *ydmphyticVegetation
Dominance Test is^so%
Prevalence Index ies&O`
[] Morphological Adaptations' (Provide supporting
data inRemarks oronaseparate sheet)
[] Wetland Nmn'Voaou|a,P|ants,
[] Problematic HydmphyticVegetation' (Exp|ain)
�,Indicators ofhydhcsoil and wetland hydrology must
�bepresent, unless disturbed urproblematic.
Hydrophytic
Vegetation
Present? Yes E] No El
,
US Army Corps o,Engineers
Western Mountains, Valleys, and Coast —Version 2.0
P I
SOIL
Sampling Point: SP 2W
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix
Redox Features
(inches) Color (moist) %
Color molstl % Type' Loc2
Texture Remarks
0-10 10/yr3/2 100
loam
10-18 10/vr2/2 100
gglngy loans inundated at 1Q 3nohes
'T e: C=Concentration, D=Depletion, R =Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL= Pore Unip , M=hJlatrix.
Hydric Soil Indicators: (Applicable to all LRs, unless otherwise noted.)
Indicators for Problematic Hydric Soils3:
Histosol (Al)
F1 Sandy Redox (S5)
2 cm Muck (Al 0)
Histic Epipedon (A2)
El Stripped Matrix (S6)
Red Parent Material (TF2)
❑ Black Histic (A3)
❑ Loamy Mucky Mineral (F1) (except MLRA 1)
Very Shallow Dark Surface (TF12)
Hydrogen Sulfide (A4)
Loamy Gleyed Matrix (F2)
❑ Other (Explain in Remarks)
Depleted Below Dark Surface (All)
El Depleted Matrix (F3)
El Thick Dark Surface (Al2)
❑ Redox Dark Surface (F6)
'Indicators of hydrophytic vegetation and
El Sandy Mucky Mineral (S1)
0 Depleted Dark Surface (F7)
wetland hydrology must be present,
Sandy Gleyed Matrix (S4)
0 Redox Depressions (F8)
unless disturbed or problematic.
Restrictive- Layer (if present):
Type:
Depth (inches):
Hydric Soil Present? Yes o ❑
Remarks:
HYDROLOGY
------------
Wetland Hydrology Indicators:
Primary Indicators minimum of one re uired• check all that a I <
Secondary Indicators (2 car more re uired3
El Surface Water (Al)
Water -Stained Leaves (139) (except MLRA
El Water -Stained Leaves (139) (MLRA 1, 2,
Ej High Water Table (A2)
1, 2, 4A, and )
4A, and 4 )
Saturation (A3)
Salt Crust (B11)
Drainage Patterns (1310)
Water Marks (B1)
El Aquatic Invertebrates (1313)
Dry -Season Water Table (C2)
Sediment Deposits (132)
El Hydrogen Sulfide Odor (Cl)
Saturation Visible on Aerial Imagery (C9)
El Drift Deposits (133)
El Oxidized Rhizospheres along Living Roots (C3)
El Geomorphic Position (D2)
Algal Mat or,Crust (134)
0 Presence of Reduced Iron (C4)
Shallow Aquitard (D3)
Iron Deposits (135)
D Recent Iron Reduction in Tilled Soils (C6)
FAC-Neutral Test (D5)
Surface Soil Cracks (136)
0 Stunted or Stressed Plants (D1) (L )
Raised Ant Mounds (D6) (L A)
Inundation Visible on Aerial Imagery (137)
El Other (Explain in Remarks)
Frost -Heave Hummocks (D7)
ED Sparsely Vegetated Concave Surface (138)
Field Observations:
Surface Water Present? Yes 0 No ❑
Depth (inches): 10
Water Table Present? Yes Z No ❑
Depth (inches): 0
Saturation Present? Yes No
Depth (inches): 0 Wetland Hydrology Present? Yes Z No
- r,
MIAMI
Remarks: does meet wetland criteria
US Army Corps of Engineers Western Mountains, Valleys, and Coast — Version 2.0
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