HomeMy WebLinkAboutLUA17-000131_Report 1Angie Bringier, Emerald Crest Owners Assn Contact
See attached list copy Agencies
(Signature of Sender):;-+/,_,;'"'". '"'"· _,.{cc~:c:-c...-'·::..· .:...1_---,/.""'j"'-~ -_, j+'-"\._·,_-_,'--~_,_1 --~==------
STATE OF WASHINGTQ ) -------
) ss
COUNTY OF KING )
I certify that I know or have satisfactory evidence that Gillian Syverson signed this instrument and acknowledged
it to be his/her/their free and voluntary act for the uses and purposes mentioned in the instrument
Dated:
Notary {Print)=----===--'-===>------~=,___....,_ __ _
My appointment expires:
Emerald Crest Wetland Restoration
LUA17-000131
NOAA Fisberies ~ --,._.
Attn: Thom Hooper
510 Desmond Dr, Ste 103
Lacey, WA 98503
Seattle OPD, Attn: Maggie Glowaki
700 5th Ave, Ste 2000
P.O. Box 34019
Seattle, WA 98124
City of Mercer Island
Attn: Steve Lancaster
9611 SE 36'" St
Mercer Island, WA 98040
Christine Littleton
US EPA
1200 -6'" Ave, MS-OERA-202-3
Seattle, WA 98101
Ike Nwanco
Dept. of Commerce
Growth Management Division
906 Columbia St SW
Olympia, WA 98504
Office of the Attorney General
Ecology Division
P.O. Box 40117
Olympia, WA 98504
City of Bellevue
Attn: Michael Payne
450-110'" Ave NE
Bellevue, WA 98009
Katie Knight -WDFW
600 Capital Way N
Olympia, WA 98501
Mark Clement
Boeing Land Use Admin Faes Asset
Boeing Commercial Airplane Group
P.O. Box 3707 #MS lW-09
Seattle, WA 98124-2207
NOAA Fisheries
7600 Sandpoint Way NE
Seattle WA 98115-0070
, DEP~RTMENT OF COMI NITY
AND ECONOMIC DEVELOPMENT
Planning Division
LAND USE PERMIT MASTER APPLICATION
PROPERTY OWNER(S) PROJECT INFORMATION
PROJECT OR DEVELOPMENT NAME:
NAME:
Emerald Crest Emerald Crest Wetland Restoration
PROJECT/ADDRESS(S)ILOCATION AND ZIP CODE:
ADDRESS:
15400 SE 155'" Place
15400 SE 155'" Place, Renton, WA 98058
CITY: ZIP:
Renton 98058
TELEPHONE NUMBER: 206-508-6650 x3604
(Representative)
KING COUNTY ASSESSOR'S ACCOUNT NUMBER($):
2329780000
APPLICANT (if other than owner)
NAME:
EXISTING LAND USE(S): Residential
COMPANY (if applicable):
PROPOSED LAND USE(S): No change proposed
EXISTING COMPREHENSIVE PLAN MAP DESIGNATION:
ADDRESS: Residential Medium Density
PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION
CITY: ZIP: (if applicable) Not applicable. No comprehensive plan
change proposed.
EXISTING ZONING: R-8
TELEPHONE NUMBER:
PROPOSED ZONING (if applicable): Not applicable. No
CONTACT PERSON zoning change proposed.
SITE AREA (in square feet): Property Area: 967,468 sf
NAME: Project Area: 3,712 sf
AnQie BrinQier
SQUARE FOOTAGE OF PUBLIC ROADWAYS TO BE
COMPANY (if applicable): DEDICATED: Not applicable. No new roadways
dedicated.
Real Manaae, LLC
SQUARE FOOTAGE OF PRIVATE ACCESS EASEMENTS:
ADDRESS:
11 oo Dexter Ave N, Suite 100 Not applicable. No new easements proposed.
PROPOSED RESIDENTIAL DENSITY IN UNITS PER NET
CITY: ZIP: ACRE (if applicable) Not applicable. No density change.
Seattle 98109
TELEPHONE NUMBER AND EMAIL ADDRESS: NUMBER OF PROPOSED LOTS (if applicable)
Not applicable. No new lots proposed.
1
H:\PROJECTS\2016\07 -July\160707 -Renton Emerald Crest\Documents\Permitting Support\Land Use Permit Master Application Form.docRev: 08/2015
DEPARTMENT OF COMI NITY
AND ECONOMIC DEVELOPMENT
206-508-6650 x3604
EMERALDlmCiraMail.com
---------Renton 8
NUMBER OF NEW DWELLING UNITS (if applicable):
Not applicable. No new dwelling units proposed.
2
H:\PROJECTS\2016\07 -July\160707 -Renton Emerald Crest\Documents\Permitting Support\Land Use Permit Master Application Form.docRev: 08/2015
ROJECT INFORMATION (c __ .tinued) ~-----------------------, ~--~----~~-----------~
NUMBER OF EXISTING DWELLING UNITS (if applicable):
103
PROJECT VALUE:
$15,000
SQUARE FOOTAGE OF PROPOSED RESIDENTIAL
BUILDINGS (if applicable): Not applicable. No new
buildin s ro osed.
IS THE SITE LOCATED IN ANY TYPE OF
ENVIRONMENTALLY CRITICAL AREA, PLEASE INCLUDE
SQUARE FOOTAGE (if applicable):
SQUARE FOOTAGE OF EXISTING RESIDENTIAL
BUILDINGS TO REMAIN (if applicable): Not applicable. No
chan e to existin residential buildin s
SQUARE FOOTAGE OF PROPOSED NON-RESIDENTIAL
BUILDINGS (if applicable): Not applicable. No new
buildin s ro osed.
SQUARE FOOTAGE OF EXISTING NON-RESIDENTIAL
BUILDINGS TO REMAIN (if applicable): Not applicable. No
chan e to existin non-residential buildin s.
NET FLOOR AREA ON NON-RESIDENTIAL BUILDINGS (if
applicable): Not applicable. No change to floor areas.
NUMBER OF EMPLOYEES TO BE EMPLOYED BY THE NEW
PROJECT (if applicable): Not applicable. No new
em lo ees will be em lo ed.
D
D
D
D
D
D
[2J
AQUIFIER PROTECTION AREA ONE
AQUIFIER PROTECTION AREA TWO
FLOOD HAZARD AREA
GEOLOGIC HAZARD
HABITAT CONSERVATION
SHORELINE STREAMS & LAKES
WETLANDS
LEGAL DESCRIPTION OF PROPERTY
__ sq.ft.
__ sq.ft.
__ sq.ft.
__ sq.ft.
3 147 sq. ft.
/Attach legal description on separate sheet with the following information included)
SITUATE IN THE SW QUARTER OF SECTION 23, TOWNSHIP 23N, RANGE 5E, IN THE CITY OF
RENTON, KING COUNTY, WASHINGTON
AFFIDAVIT OF OWNERSHIP
I, (Print Name/s) Angie Bringier, declare under penalty of perjury under the laws of the State of Washington that I am (please check
one) D the current owner of the property involved in this application or [2J the authorized representative to act for a corporation (please
attach proof of authorization) and that the foregoing statements and answers herein contained and the information herewith are in all
resp true and correcl to the best of my knowledge and belief.
Date Signature of Owner/Representative Date
WASHINGTON )
) ss
COUNTY OF KING )
I certify that I know or have satisfactory evidence that An~ ,' t'... /?::, r ,· n ~ / e Lr signed this instrument and
acknowledge it to be his/her/their free and voluntary act for th uses and purposeentioned in the instrument.
1L3, 1 ,-:,-::-.... ,,,,~"'.::~''11,,, ,~x,~~r?,7--, ___ ,__~---",.....,<"\""-=· n,..l,, 11
Dated ~",:,..~' """"""" "+-l1l No ary Public in and for the State o Washington :~~~,;,\ON~,,,,,,,,~~ r / I 1/c, (, 3 c.; ff~ o1AJt,_ \ ~ ' /, 1/'1• <c "f-r ' L. (, rz.,, c <....... ~ io ~ \ ~ _JI, u
~ ~u -• -~ _ J Notary (Print):
r. ~ ,. ~ ...._ -' ~ ,n. ~ "°IJ 1.,\-zo -~ ~~ B : -~ ,, .1,,, '< 9 ,rt.?>:.. :=
~11 :>-~111 111,1~?,,,,: ...... ~~ ~r:, .ff My appointment expires:
1111 OF' W!>,.SY'"-.§° 3
''"""""''''''
/2-2 '7-/'7
H:\PROJECTS\2016\07 -July\160707 -Renton Emerald Crest\Documents\Permitting Support\Land Use Permit Master Application Form.docRev: 08/2015
-
schedule A
EMERALD CREST
A CONDOMINIUM FOR MANUFACTURED HOMES
Description of Property in Condominium
THAT PORTION OF GOVERNMENT LOT 6 AND THE SOUTHEAST 1/4 OF THE
SOUTHWEST 1/4 OF SECTION 23, TOWNSHIP 23 NORTH, RANGE 5 EAST W.M.,
DESCRIBED AS FOLLOWS:
BEGINNING AT THE SOUTHEAST CORNER OF THE SOUTHEAST 1/ 4 OF THE
SOUTHWEST 1/4 OF SAID SECTION 23;
THENCE NORTH 01°22'51" WEST 300.04 FEET TO THE TRUE POINT OF
BEGINNING;
THENCE NORTH 87°46 1 52 11 WEST 647.66 FEET;
THENCE NORTH 01°22 1 51" EAST 526.59 FEET;
THENCE NORTH 88°:37 1 09" WEST 80 FEET;
THENCE NORTH 11°58'32" EAST 269.60 FEET;
THENCE SOUTH 88°37'09" EAST 30.43 FEET;
THENCE NORTH 01°22'51" EAST 114.60 FEET;
THENCE SOUTH 88°37'09" EAST 3.00 FEET;
THENCE NORTH 01°22'51" EAST 20.00 FEET;
THENCE NORTH 88°37'09" WEST 3.00 FEET;
THENCE NORTH 01°22'51" EAST 198.61 FEET;
THENCE NORTH 88°37'09" WEST 171. 72 FEET;
THENCE NORTH 01°22'51" EAST 91.07 FEET;
THENCE NORTH 88°07'58" EAST 172 FEET;
THENCE NORTH 01°22'51" EAST 340.94 FEET, MORE OR LESS, TO THE
SOUTHERLY MARGIN OF SR 169, MAPLE VALLEY HIGHWAY AS CONVEYED TO
KING COUNTY BY DEED RECORDED UNDER RECORDING NOS. 1760650 AND
8804140316;
THENCE SOUTHEASTERLY, ALONG SAID MARGIN, TO THE EASTERLY LINE OF
SAID GOVERNMENT LOT 6;
THENCE SOUTHERLY, ALONG SAID EASTERLY LINE, TO THE TRUE POINT OF
BEGINNING;
(ALSO BEING KNOWN AS THE EAST PARCEL PURSUANT TO KING COUNTY LOT
· LINE ADJUSTMENT NO. S89M0140 UNDER RECORDING NO. 9003151304);
TOGETHER WITH AN EASEMENT FOR ROADWAY, DRAINAGE AND UTILITIES AS
DESCRIBED IN INSTRUMENT RECORDED UNDER RECORDING NO. 9412081041;
SITUATE IN THE COUNTY OF KING, STATE OF WASHINGTON.
215656.6
5f1Dl96 11:09.Bill
DEPARTMENT OF COMMUN.·.
AND ECONOMIC DEVELOPM~NT --------Renton 0
DATE:
PRDJECTNUMBER:
PROJECT NAME:
PROJECT MANAGER:
OWNER:
CONTACT:
LOCATION:
DESCRIPTION:
CRITICAL AREA:
PLANNING DIVISION
CERTIFICATE OF EXEMPTION
FROM CRITICAL AREAS REGULATIONS
EVALUATION FORM & DECISION
May 9, 2017
LUAl 7-000131
Emerald Crest Wetlands Restoration Critical Areas Exemption
Alex Morganroth, Associate Planner
Emerald Crest Condominium
15400 SE 155'h Pl
Renton, WA 98058
Andrew Phillips
SMR Architects
117 S Main St
Ste 400
Seattle, WA 98058
15400 SE 155" Pl
The applicant is requesting a Critical Areas Exemption to perform wetlands
restoration at the Emerald Crest Condominiums. The restoration is required in
order to resolve a code compliance case (C0DE16-000369) initiated due to the
illegal filling of wetlands on the subject property. The restoration would include
installing temporary erasion control measures, removing gravel and asphalt fill,
installing woodchip mulch across the buffer area, and installing plants to re-
establish the wetlands. ln addition, the applicant will install a split rail fence and
approved wetlands signage. The property is located at 15400 SE 155th Pl (APN
2329780000} and is approximately 22.1 acres in size. The northern portion of the
property is located in the RMH, Residential Manufactured Home zoning
designation and the southern portion of the property is located in the RC,
Resource Conservation zoning designation. Access to the site is from internal
drives located off of Maple Valley Hwy (SR 169) on the north side of the site.
The applicant is not proposing the removal of any trees. Critical areas mapped
an the site include unclassified landslide hazards, high seismic hazards, high
erosion hazards, regulated slopes, protected slopes, and category IV wetlands.
The applicant submitted a wetlands mitigation and buffer restoration plan
approved by the Current Planning Project Manager on March 10, 2017.
Unclassified landsllde hazards, high seismic hazards1 high erosion hazards,
regulated slopes, protected slopes, and category IV wetlands.
Page 1 of 3
City of Reflfon Department of Community & E ·c Development
Emerald Crc5f Werlands Mitigation Critical Area~ ~xemption
Certijicote of Exemption from Critical Atef.ls Regulations
LUA 17--00(]131
EXEMPTION JUSTIFICATION:
FINDINGS:
DECISION:
Renton Mun lei pal Code 4-3-050 Critical Areas Regulations Subsection C.3.a.ill
Approved Restoration/Mitigation
The proposed development is consistent with the following findings pursuant to
RMC section 4-3-0SOC.2.d:
i. The activity is not prohibited by this or any other provision of the Renton
Municipal Code or State or Federal law or regulation;
ii. The activity will be conducted using best management practices as specified
by industry standards or applicable Federal agencies or scientific principles;
iH. Impacts are minimized and, where applicable, disturbed areas are
immediately restored;
iv. Where water body or buffer disturbance has occurred in accordance with an
exemption during construction or other activities, revegetation with native
vegetation shall be required;
v. If a hazardous material, activity, and/or facility that is exempt pursuant to
this Section has a significant or substantia I potential to degrade groundwater
quality, then the Administrator may require compliance with the Wellhead
Protection Area requirements of this Section otherwise relevant to that
hazardous material, activity, and/or facility. Such determinations will be based
upon site and/or chemical-specific data.
An exemption from the Critical Areas Regulations is hereby Approved with
Conditions•.
CONDITIONS:
l. All work must be done in accordance with the Wetland and Buffer
Restoration Plan submitted by The Watershed Company (approved March
10, 2017) and approved by the Current Planning Project Manager
(Attached).
2. All restoration work shall be completed by August 8, 2017. Once
completed, a letter shall be provided to the City from the project biologist
identifying compliance with the approved mitigation plan. The letter shall
be received within l week of project completion, no later than August 15,
2017.
Page 2 of 3
C1tyof Renton Deportment of Community & E ic Development
Emerald Crest Wetlands Mitigation Critic;al Areas Exemption
Certificate of Exemption from Crirical Areas Regulariom;
lUA17-000131
SIGNATURE & DATE OF DECISION:
Jennifer Henning, Planning Director Date
The above land use decision will become final if the decision is not appealed within the 14-day appeal
period (RCW43.21.C.075(31; WAC 197-11-680).
APPEALS: An appeal of this administrative land use decision must be filed in writing together with the
required fee to the City of Renton Hearing Examiner, City of Renton, 1055 South Grady Way, Renton, WA
98057, on or before 5:00 p.m., on May 23, 2017. RMC 4-8-110 governs appeals to the Hearing Examiner and
additional information regarding the appeal process may be obtained from the Renton City Clerk's Office 1
(425)430-6510.
RECONSIDERATION: Within 14 days of the decision date, any party may request that the decision be
reopened by the approval body. The approval body may modify his decision if material evidence not readily
discoverable prior to the original decision is found or if he finds there was misrepresentation of fact. After
review of the reconsideration request, if the approval body finds sufficient evidence to amend the original
decision, there will be no further extension of the appeal period. Any person wishing to take further action
must file a formal appeal within the 14-day appeal time frame.
EXPIRATION: Five (5) years from the date of decision (date signed).
Attachments: Wetlands and Buffer Restoration Plan and Report
Page 3 of 3
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EMERALD CREST
WETLAND RESTORATION PLAN
PREPARED FOR ANGIE BRINGIER
EMERALD CREST HOA
PARCEL#: 2329730000
RENTON, WA 98058
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DEPARTMENT OF CC IIUNITY
AND ECONOMIC DEVELOPMENT --------Renton®
CRITICAL AREAS EXEMPTION
Applicant Name
Emerald Crest
Parcel Number
{FOR SEPA EXEMPT ACTIVITIES}
Planning Division
1055 South Grady Way-Renton, WA 98057
Phone: 425-430-7200 I www.rentonwa.gov
Project Name
Emerald Crest Wetland Restoration
Project Address
Phone Number
206-508-6650 x3604
/Renresentative l
2329780000 15400 SE 155th Place, Renton, WA 98058
Brief Description of Project
The applicant is proposing to remove unauthorized fill in wetland and buffer areas. The proposal will
remove all fill materials and restore/enhance the affected areas. A dense, native plant community
representative of the pre-impact condition will be installed, maintained, and monitored for five years or
until the project goals and performance standards are achieved.
Type of Critical Area [2;J Work Occurs in [2;J Work Occurs in Wetland and wetland buffer
Critical Area Buffer
PURPOSE: Exempt activities provided with a letter of exemption from the Development Services
Administrator may intrude into a critical area or required buffer (Subject to any conditions or
requirements provided by the Administrator).
APPLICABILITY OF EXEMPTIONS: The following is a general list of activities that may be exempt from the
critical areas regulations. More specific descriptions of the activities are contained in the Critical Areas
Regulations. Some of the listed activities may not be exempt in certain critical areas. The Planning
Division will evaluate your request according to the City of Renton Critical Areas Regulations in RMC 4-3-
0SOC, J, L, and N.
I AM REQUESTING A CRITICAL AREAS EXEMPTION FOR ONE OR MORE OF THE FOLLOWING ACTIVITIES:
12'.J Conservation, Enhancement, and Related Activities:
• Conservation or preservation of soil, water, vegetation, fish, and other wildlife
• Enhancement activities as defined in RMC 4-11
• Any critical area and/or buffer restoration. or other mitigation activities that have been
approved by the City
D Research and Site Investigation:
• Nondestructive education and research
• Site investigative work necessary for land use application submittals such as surveys, soil
logs, etc.
8
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12/2015
D Agricultural, Harvesting, and Vegetation Management:
• Harvesting wild foods
• Existing/Ongoing agricultural activities
• Removal of dead, terminally diseased, damaged, or dangerous ground cover or hazardous
trees which have been certified as such by a forester, registered landscape architect, or
certified arborist
D Surface Water Alteration:
• New surface water discharges provided the discharge meets the requirements of the
Storm and Surface Water Drainage Regulations
• New or modified regional storm water facilities
• Flood hazard reduction
D ·· Roads, Parks, Public and Private Utilities:
• Relocation of Existing Utilities out of Critical Area and Buffer
• Maintenance, operation, and repair of existing parks, trails, roads, facilities, and utilities
• Installation, construction, replacement, or operation of utilities, traffic control, and
walkways within existing improved right-if-way or easement
• Modification of existing utilities and streets by 10% or less
• Management and essential tree removal for public or private utilities, roads and public
parks 1
D Wetland Disturbance, Modification, and Removal:
• Any activity in small Category 3 wetlands
• Temporary disturbances of a wetland due to construction activities that do not include
permanent filling
D Maintenance and Construction for Existing Uses and Facilities:
• Remodeling, replacing, or removing existing structures
• Normal and routine maintenance and repair of any existing public or private uses and
facilities where no alteration ofthe critical area and required buffer or additional fill
materials will be placed
• Construction activity connected with an existing single family residence or garage,
provided that no portion of the new work occurs closer to the critical area or required
buffers than the existing structure and/or the developed area of the site
• Existing activities which have not been changed, expanded or altered provided they
comply with the applicable requirements of RMC 4-10
D Emergency Activities:
• Removal of trees or ground cover by a City department, agency, public, or private utility in
an emergency situation
• Public interest emergency use, storage, and handling of hazardous materials by
governmental organizations in an Aquifer Protection Area
ADDITIONAL PERMITS: Additional permits from other agencies may be required. It is the applicant's
responsibility to obtain these other approvals. Information regarding these other requirements may be
found at http://apps.oria.wa.gov/opas/
9
H:\PROJECTS\2016\07 -July\160707 -Renton Emerald Crest\Documents\Permitting Support\Critical Areas Exemption Form.doc Rev:
12/2015
• . .
I, the undersigned, declare und r penalty of perjury under the laws oft he State of Washington, that to
the best of my knowledge t b ve information is true and complete .
• I,
For City Use Only
D Exemption Granted D Exemption Denied
Jennifer Henning, Planning Director Date
Department of Community & Economic Development
Conditions of Approval:
10
H:\PROJECTS\2016\07-July\160707 ~ Renton Emerald Crest\Documents\Permitting Support\Critical Areas Exemption Form.doc Rev:
12/201S
August 25, 2016
Emerald Crest HOA
% Angie Bringier
Via email: emerald@ciramail.com
Via phone: 206-508-6650 x3604
"/-\,,. " :,.
Re: Emerald Crest property, Wetland Delineation Report
The Watershed Company Reference Number: 160707
Dear Angie:
SCIENCE & DESIGN
On August 8, 2016, ecologists, Katy Crandall and Anna Hoenig, visited the Emerald
Crest residential development (parcel #2329780000) in Renton, Washington to screen for
jurisdictional wetland and streams within a defined study area. The delineation study is
being conducted after the City of Renton issued a violation for potential vegetation
clearing in a wetland or buffer located adjacent to a cul-de-sac in the southeast corner of
the property. This letter summarizes the findings of this study and details applicable
federal, state, and local regulations. This letter also includes a discussion of necessary
steps to restore impacts to the wetland and its buffers. The following attachments are
included:
• Wetland Delineation Sketch
• Wetland Determination Data Forms
• Ecology Rating Forms
Methods
Public-domain information on the subject properties was reviewed for this
reconnaissance study. These sources include:
• USDA Natural Resources Conservation Service Soil maps (WebSoil);
• U.S. Fish and Wildlife Service National Wetland Inventory (NW!) maps;
• Washington Department of Fish and Wildlife interactive mapping programs
(PHS on the Web);
• Washington State Department of Natural Resources, Forest Practices
Application Review System (FP ARS);
• King County's GIS mapping website (iMAP); and
750 Sixth Street South Kirkland, WA 98033
/' 425.822.5242 f 425.827.8136 watershedco.com
•
• City of Renton (COR) maps.
• Wetland Delineation Report
Bringier, A.
August 25, 2016
Page 2
The study area was evaluated for wetlands using methodology from the Regional
Supplement to the Corps of Engineers Wetland Delineation Manual: Western Mountains,
Valleys, and Coast Region Version 2.0 (Regional Supplement) (US Army Corps of
Engineers [Corps] May 2010). The wetland boundary was determined on the basis of an
examination of vegetation, soils, and hydrology. Areas meeting the criteria set forth in
the Regional Supplement were determined to be wetland. Soil, vegetation, and
hydrologic parameters were sampled at several locations along the wetland boundary to
make the determination.
Identified wetlands within the property were classified using the 2014 Update to the
Western Washington Wetland Rating System (Ecology publication no. 14-06-019) (Rating
System).
Findings
The Emerald Crest residential development is located in the City of Renton (Section 23,
Township 23N, Range 05E) and is zoned as RMB-Residential Manufactured Homes. It is
located south of the Cedar River within the Lower Cedar River drainage basin of the
Cedar-Sammamish Watershed Resource Inventory Area 8.
The southern third of the parcel is undeveloped and located on a steep slope that slopes
downward to the north (see description below). It has been identified as a terrestrial
habitat by PHS as part of a Biodiversity Area and Corridor, named the Cedar River
Valley Open Space Area. Starting approximately at the base of the steep slope, the
northern two-thirds of the parcel flattens out and is developed as a dense neighborhood
of manufactured homes.
The City of Renton issued a Warning of Violation notice (Code Case No: C0DE16-
000369, June 13, 2016,) to Emerald Crest for unauthorized clearing of vegetation in a
wetland in the south side of the property. This study focuses on the area adjacent to the
cul-de-sac on the southeastern corner of the developed area (Figure 1).
Wetland Delineation Report
Bringier, A.
Figure 1. Approximate study area (blue) and location of the cle aring vio lation.
August 25, 2016
Page 3
One wetland, Wetland A, was identified and delineated. Only the encumbering wetland
edge of the cited areas was delineated; Wetland A is marked with 17 pink-and black-
s triped flags. Data were recorded at eight locations in the study area and are marked on-
site with yellow-and black-striped flags.
Wetland A and its buffer appear to have been impacted by both clearing and grading
(Figure 2) and gravel fill (Figure 3). Additionally, some of the excavated soils were
deposited further upslope within the wetland. Within a portion of the fill area, a black
tarp underlays approximately four inches of gravel. The rest of the fill area (no tarp)
contains an uneven mixture of gravel and asphalt (Figure 4). According to a personal
communication at an on-site meeting with Tom and Adele from the HOA Board of
Directors (August 8, 2016), the impacts were created as a result of trying to relieve
flooding in the parking lot.
Wetland Delineation Re port
Bringier, A.
Augu s t 25, 2016
P age 4
Figure 2. Wetland and wetland buffer were cleared and graded. The excavated soil wa s
deposited further in the wetland. The red line denotes the delineated wetland boundary.
Figure 3. Wetland A near the road was covered with a bl ack tarp/fabric and covered with gravel.
The rock pile is located on the paved parking lot and not within the wetland.
Wetland Delinea tion Report
Bringier, A.
A u g u st 25, 201 6
Page 5
Figure 4. Th e area between tarped, grave l fill and the cleared/graded area contains gra ve l and
chunks of asphalt (red circ le).
Wetland A
Wetland A is a s lope-type wetland with scrub-shrub and forested Cowardin classes. It is
loca ted at the toe of the steep slope. Wetland A has both sa turated and occasionally
fl ooded water regimes and is supported by groundwater seeps from the hillside . The
wetland approaches the southeastern-most house on the parcel; at the h ouse, s urface
runoff from the wetland moves westward around the house w h ere it drains back into
the wetland unit. A small, permanently flooded pond is l oca te d at the northern portion
of the wetland n e ar the westerly cul-de-sac. Wetland A is located within an area mapped
as a Biodiversity Area and Corridor by PHS.
Undi sturbed wetland
Common vegetation within undisturbed are as of Wetland A includes re d alder, Oregon
ash, Pacific willow, and western red cedar in the canopy with salmonbe rry, red-osier
dogwood, Himalayan blackberry, giant horse tail, soft rush, small-fruited bulrush, skunk
cabbage, creeping buttercup, reed canarygrass, rnannagrass, lady fern, willowherb,
watercress, and hards tern bulrush in the understory. Soils locate d just outside of the
recent disturbance (DP-4) are characterized as a low chroma (~l) mixed matrix sandy
loam and sandy clay loam with redoximorphic features (RMF) in the uppe r layer and a
low chroma (~l) sandy clay loam with RMF along pore linings in the lower layer. Hydric
soil determination is supported by the indicator, Redox Dark Surface (F6) and by
presence of hy drogen sulfide (hydric soil indicator A4 and wetland hydrology indicator
Cl). Wetland hydrology is also supporte d by presence of a high water table (Indicator
A2) at 12 inches b elow ground surface (BGS) and saturation (A3) to the s urface. Soils
W e tland Delineation Report
Bringie r, A
August 25, 2016
P age 6
furthe r ups lo p e of the disturbance (DP-1) a re s upporte d b y the h y dric s oil indicator,
Depleted Matrix (F3), and are ch a r ac t erized as a sandy clay loam within the uppe r layer
and a l ow chroma (~2) g r aveUy loamy sand with RMF in the lower layer. These soil s
were satura ted to the s urfa ce (A3) at the time of the ins p ectio n , confirming wetland
hydrology.
Disturbed wetland and bu ffe r areas
Within disturbed areas, n o rma l circumstances were not present and proble m atic
procedures for determining wetland vege tation, soil and h y drology w e r e u sed
according to the Regional Supplement. All wetland d e t e rminations w ithin the a r ea
w h ere the violation occurred are consistent with the wetland's landscap e p osition at the
toe o f a steep s lope .
Vegetation, soil s and hydrology were disturbe d at several locations in the wetland and
are con side r e d p roble matic. At the time of the visit, vegetation, con sisting o f g ia nt
horsetail and field grasses, was s parse and jus t b eginning to sprout. Nearby,
undis turbe d vege tation w ithin the wetland, consisting of giant horsetai l, reed
canarygrass, cr ee ping buttercup, and lady fern, was u sed a r eference t o s upport
d e termination of h y drophytic vegetation at these l ocations (DP-2 and DP-6).
Excava tion and co mpaction b y machinery have dis turbe d the soil s; as a result, soil
h o ri zo ns were indistinct and somewhat jumble d. At DP-2 and DP-6, a hig h percentage
of RMF were observed within soil s l ayer s with l ow chroma matri ces, s upportin g
components of the h y dric soil indicators, Re d ox Dark Surface (F6) and D e ple te d Matrix
(F3); however, as d e pths of soils layers are unre liabl e, exact conformance to the h y dric
soil indicator s w as not possible t o d e te rmine . In comparison, soils within n earby,
undis turbe d , n o n-wetl a nd areas, at both l ower and highe r e levations than DP-2 and DP-
6, cont ain brig htly co lore d soil s with n o RMFs (DP-3 and DP-8). This stark contras t
prov ide d b y non-we tland soils in addition to use of a r e fe r en ce soil pit (see DP-4)
s upports the conclusion of presence of h y dric soil s in the impacte d area.
Hydrology was also like l y disturbe d due to soil excavation and compaction. To
d e te rmine the wetland edge within the disturbed area, several soi ls pits were dug on a
line perpendicular t o the slope to d e t e rmine a g r a di e nt of s oi l satura ti o n ; areas that
showed saturation within approximately 12 inch es o f the surface, a fte r a dding the
estimated d e pth of excavat ed mater ia l, wer e d e te rmined to have wetland h y drology.
Additionally, within sever a l feet of the wetland edge, s u rface fl ow was observed and
w ate r was ponding within d epression s created b y machinery; tadpoles were observed
w ithin these d e pressi o n s, s u ggesting prolo nge d inundation.
Within a portion of the fill areas, vegetative growth is suppressed b y the tarp. Near the
e dge of the tarp, common vegetation includes red alder in the canop y wi th h a rd s te m
bulrush , Himalayan blackbe rry, and giant h orset a il in the unde rs to ry (DP-5). Despite
Wetland Delineation Report
Bringier, A.
August 25, 2016
Page 7
lacking hydrophytic vegetation within the fill, wetland conditions were supported by
the strong presence of hydric soils and wetland hydrology. Hydric soils are a clay loam
with low chroma and RMF, supporting hydric soil indicator Redox Dark Surface (F6).
Soils were saturated to the surface of the soil at the time of the visit (wetland hydrology
indicator, A3). Additionally, the presence of hydrogen sulfide supports both hydric soils
(A4) and wetland hydrology (Cl).
The fill area without a tarp has an uneven soil surface and contains gravel and chunks of
asphalt. Common vegetation includes giant horsetail, lady fem, creeping buttercup and
field grasses. Although a data point was not recorded in this area, wetland hydrology
was evident through soil surface saturation at the time of the visit.
Non-wetland areas
Upslope of Wetland A on the steep hillside, a mixed coniferous-deciduous forest is
dominated by bigleaf maple, western red cedar and Douglas-fir. Non-wetland areas
near the house contain bigleaf maple, English ivy, and ornamental trees and shrubs.
Non-wetland areas between the cul-de-sac and the north side Wetland A (DP-7) include
bigleaf maple, western red cedar, and quaking aspen in the canopy with Himalayan
blackberry, ornamental vegetation and rose in the understory. Soils were a low chroma
(:Q) gravelly sandy loam and gravelly loamy sand with no RMF and were dry at the
time of the visit.
Local Regulations
Critical areas are regulated by the City of Renton in Section 4-3-050 the Renton
Municipal Code (RMC).
According to the 2014 Rating System, Wetland A is a Category IV wetland with a total of
15 points; it received four water quality points, five hydrologic points and six habitat
points. According to RMC 4-3-050-G.9, wetland buffers are measured from the wetland
edge and are based upon the wetland rating, associated habitat score, and impact of land
use. The adjacent land use would not be considered low intensity, therefore the buffer
width for "all other land uses" applies. Per RMC 4-3-050(G)(2), all Category IV wetlands
require a standard buffer width of 50 feet (Table 1 ).
Table 2. Summary of 2014 Rating System scores and standard buffer widths.
Water Hydrologic Habitat Total Category Quality
Wetland A 4 5 6 16 IV
Wetland A is also considered a habitat conservation area, as it is mapped as a
Biodiversity Area and Corridor by PHS [RMC 4-3-0SO(G)(6)].
Standard
Buffer
Width (ft)
so
Restoration of Wetland and Buffer Impacts
Wetland Delineation Report
Bringier, A.
August 25, 2016
Page 8
Per RMC 4-3-050(N), a restoration plan for unauthorized impacts to wetlands and
buffers is required. Restoration of impacted wetland and buffers areas require the
following minimum performance standards to be fulfilled:
i. The historic structural and functional values shall be restored, including water
qualihJ and habitat functions;
zz. The historic soil types and configuration shall be replicated; and
m. The critical area and buffers shall be replanted with native vegetation that replicates
the vegetation historically found on the site in species types, sizes, and densities. The
historic functions and values should be replicated at the location of the alteration.
As a portion of Wetland A and its buffer have been temporarily impacted, they should
be restored to historic conditions to replace lost water quality, hydrology and habitat
functions. This would involve removing all fill material (gravel, tarps, asphalt, soil) and
restoring the original grade of the slope with historic soil types. The large pile of gravel
that was placed on the parking lot next to the wetland should also be removed to
prevent further sedimentation. Impacted wetland and buffer areas should be enhanced
through removal of invasive plant species (e.g. Himalayan blackberry, English ivy,
yellow archangel, reed canarygrass) and revegetated with native plants. The affected
wetland and buffer areas should be restored to a forest, as surrounding wetland areas
consist of forested vegetation, including both shrub and herbaceous strata. Appropriate
restoration plantings for the wetland area include Sitka willow, Pacific willow, Oregon
ash, western red cedar, red-osier dogwood, and salmonberry. Appropriate restoration
plantings for the buffer areas include snowberry, Nootka rose and osoberry.
For restoration of impacted areas, a mitigation plan should be created according to
provisions outlined in RMC 4-3-50(L), including a planting plan, detailed goals and
performance standards, a monitoring plan for a duration of at least five years, and
submittal of a performance bond determined by the King County Critical Areas
Mitigation Bond Quantity Worksheet.
State and Federal Regulations
Wetlands are also regulated by the Corps under section 404 of the Clean Water Act. Any
proposed filling or other direct impacts to Waters of the U.S., including wetlands (except
isolated wetlands), would require notification and permits from the Corps. Wetland A
may not be considered isolated; a formal isolated status inquiry can be requested from
the Corps through the Jurisdictional Determination process. Note that a new Clean
Water Rule for wetlands and other Waters of the U.S. went into effect in August 2015;
however, the rule was recently "stayed" nationwide by the 6'" Circuit Court due to
pending litigation. Therefore, the prior rule is in effect until further notice.
Wetland Delineation Report
Bringier, A.
August 25, 2016
Page9
Federally permitted actions that could affect endangered species may also require a
biological assessment study and consultation with the U.S. Fish and Wildlife Service
and/or the National Marine Fisheries Service. Application for Corps permits may also
require an individual 401 Water Quality Certification and Coastal Zone Management
Consistency determination from Ecology and a cultural resource study in accordance
with Section 106 of the National Historic Preservation Act.
In general, neither the Corps nor Ecology regulates wetland buffers, unless direct
impacts are proposed. When direct impacts are proposed, mitigated wetlands may be
required to employ buffers based on Corps and Ecology joint regulatory guidance.
Disclaimer
The information contained in this letter or report is based on the application of technical
guidelines currently accepted as the best available science and in conjunction with the
manuals and criteria outlined in the methods section. All discussions, conclusions and
recommendations reflect the best professional judgment of the author(s) and are based
upon information available to us at the time the study was conducted. All work was
completed within the constraints of budget, scope, and timing. The findings of this
report are subject to verification and agreement by the appropriate local, State and
Federal regulatory authorities. No other warranty, expressed or implied, is made.
Please call if you have any questions or if we can provide you with any additional
information.
Sincerely, /{./ltea;j
Anna Hoenig, WPIT
Ecologist
Enclosures
THE
WATERSHED
COMPANY
Wetland Delineation Sket c h
Site v is it: Aug ust 9, 2016
TWC Re f . No. 160707
Note : Aeri al from King County iMAP. Fie ld sketch o nl y.
Feat u res depicted are approximate and not to scale.
Wetland boundary is marked with pink an d black-st r ip ed
flags. Dat a Po ints are ma rked with yel low-and black-stri ped
'V Wetla nd
750 Sixth Street South I Kirkland I WA 98033
p 425.822 .5242 f 425.827.8136
15400 SE 155th PL, Renton
Parcel No. 2329780000
Pre pa re d for: Emerald Cr es t HOA,
c/o Ang ie Bringier
LEGEND
/\J Approx. delineated wetland boundary
1' Approx . non-delineated wetland boundary
N Parcel boundary
O Data point
1 of 2
Note: A er ia l from King Cou nty iMAP. Field sketch
on ly. Features depicted are approximate and not
to scale. Wet land bou ndary is ma rked with pi nk
and black-striped flags . Data Po ints are ma r ked
w ith yel low-and black-st riped flags.
LEGEND
'¥ Wetland
N Approx. delineated wetland boundary
1' ,.' Approx. non-delineated wetland boundary
0 Data point
2 of 2
.1111
~WATERSHED
WETLAND DETERMINATION DAT, RM 750 Sixth Street South
Kirkland Washington 98033 Western Mountains Valleys and Coast Supplement to the ' ' 1987 COE Wetlands Delineation Manual
II II
(425) 822-5242 C, l\ 'i I',\"· l DP-1 watershedco.com
Project Site: Emerald Crest Sampling Date: 8/9/2016
Applicant/Owner: Emerald Crest HOA Sampling Point: DP-1
Investigator: K. Crandall, A. Hoenia City/County: Renton
Sect, Township, Range: s 23 T 23N R 05E State: WA
Landform (hillslope, terrace, etc} Hillslope I Slope(%) 15 Local relief {concave, convex, none): None
Subregion (LRR): A I Lat: Long: Datum:
Soil Map Unit Name Puyallup fine sandy loam NWI dassif1cation: NA
Are climatic/hydrologic conditions on the site typical for this time of year? 0 Yes D No {If no, explain in remarks.)
Are "Normal Circumstances" present on the site? 0 Yes D No
Are VegetationO, Soil 0, or Hydrology D significantly disturbed?
Are VegetationD, Soil D, or Hydrology D naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site map showina sam1Jlina ooint locations, transects, imoortant features, etc.
Yes IZl Hydrophytic Vegetation Present?
Hydrlc Soils Present? Yes IZl
Na D
Na D
Na D
Is the Sampling Point within a Wetland? Yes [ZI No D Wetland Hydrology Present? Yes IZ!
Remarks: In-pit, uphill of house at western property boundary.
VEGETATION -Use scientific names of plants.
Tree Stratum (Plot size 5m diam.) Absolute% Dominant Indicator Dominance Test Worksheet
Cover Species? Status
1 Number of Dominant Species
that are OBL, FACW, or FAG: 3 2 (A)
3. Total Number of Dominant
4. Species Across All Strata: 3
(Bi
-Total Cover Percent of Dominant Species
that are 0BL, FACW, or FAG: 100
(A/B)
Sapling/Shrub Stratum (Plot size: 3m diam.)
1 Rubus sDectabilis 10 y FAC Prevalence Index Worksheet
2 Total% Cover of Multii:1lt b1
3. OBL species x1=
4. FACW species x2=
5. FAG species x3-
10 -Total Cover FACU species x4c:
UPL species X 5 cc
Herb Stratum (Plot size: 1 m diam.) Column totals (A) IB\
1 Ranunculus renens 100 y FAC
2 Eauisetum telmateia 50 y FACW Prevalence Index= B / A cc
3 Phalaris arundinacea 30 N FACW
4 Glvceria so. 15 N OBL Hvdroohutic Veaetation Indicators
5 l!,l Dominance test is> 50%
6 D Prevalence test is s 3.0 •
7 Morphological Adaptations• (provide supporting
8 D data in remarks or on a separate sheet)
9 D Wetland Non-Vascular Plants •
10. D Problematic Hydrophytic Vegetation* {explain)
11.
195 -Total Cover • Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic
Woodv Vine Stratum (Plot size: l
1
2. Hydrophytic Vegetation IZI D = Total Cover Present? Yes Na
% Bare Ground in Herb Stratum:
Remarks:
US Army Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
SOIL amplino Point-DP~1
Profile Description: (Describe to the depth needed to document the indicator or confinn the absence of indicators.)
Depth Matrix Redox Features
(inches) Color rmoistl % Color /moist) % Tvoe1 Loe' Texture Remarks
0-4 10YR 2/2 100 Sandy clay loam
4-14 2.5YR4/2 85 5YR314 15 C M Gravely loamy sand
1Type: C=Concentration, D=Deplelion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 2Loc: Pl=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric SoilsJ
D Histosol (A 1) D Sandy Redox {S5) D 2cm Muck (A10)
D Histic Epipedon (A2) D Stripped Matrix (S6) D Red Parent Material (TF2)
D Black Histic {A3) D Loamy Mucky Mineral (F1) {except MLRA 1) D Other {explain in remarks)
D Hydrogen Sulfide (A4) D Loamy Gleyed Matrix (F2) D
D Depleted Below Dark Surface (A11) 0 Depleted Matrix (F3)
D Thick Dark Surface (A12) D Redox Dark Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy GI eyed Matrix (S4) D Redox Depressions (F8)
Restrictive Layer (if present):
Type Hydrlc soil present? Yes IZI No D
Depth (inches):
Remarl<s:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required):
D Surface water (A 1) D Sparsely Vegetated Concave Surface (88) D Water-Stained Leaves (89) (MLRA 1, 2, 4A & 48)
D High Water Table (A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 4B) (89) D Drainage Patterns (B 10)
0 Saturation (A3) D Salt Crust {B11) D Dry-Season Water Table (C2)
D Water Marks (B1) D Aquatic Invertebrates (B13) D Saturation Visible on Aerial Imagery (C9)
D Sediment Deposits (B2) C Hydrogen Sulfide Odor (C1) 0 Geomorphic Position (02)
D Drift Deposits (B3) C Oxidized Rhizospheres along Living Roots (C3) D Shallow Aquitard (D3)
D Algal Mat or Crust (B4) D Presence of Reduced Iron {C4) [>( FAG-Neutral Test (05)
D Iron Deposits (B5) D Recent Iron Reduction in Tilled Soils (C6) D Raised Ant Mounds (06) (LRR A)
D Surface Soil Cracks (86) D Stunted or Stressed Plants (01) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery D Other (explain in remarks)
{B7)
Field Observations .
Surface Water Present? Yes D No 0 Depth (in):
Water Table Present? Yes D No 0 Depth (in): Wetland Hydrology Present? Yes IZI No D
Saturation Present? Yes 0 No D Depth (in): 0
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks
US Anny Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
WETLAND DETERMINATION DAT, RM 750 Sixth street south
Western Mountains, Valleys, and Coast Supplement to the ~=====;i Kirkland, Washington 98033
1987 COE Wetlands Delineation Manual l'I II (425) 822-5242 DP-2 watershedco.com
Project Site: Emerald Crest Sampling Date: 8/9/2016
Applicant/Owner: Emerald Crest HOA Sampling Point: DP-2
Investigator: K. Crandall, A. Hoenia City/County: Renton
Sect., Township, Range s 23 T 23N R 05E Stale-WA
Landform (hillslope, terrace, etc} Toe of hillslope I Slope(%) -5 Local relief (concave, convex, none): None
Subregion (LRR): A I Lat Long· Datum:
Soil Map Unit Name Puyallup fine sandy loam NWI classification: NA
Are climatic/hydrologic conditions on the site typical for this time of year? 0 Yes D No {If no, explain in remarks.)
Are "Normal Circumstances" present on the site? D Yes 0 No Cleared and graded area
Are Vegetationi:81, Soil IZI, or Hydrology (81 significantly disturbed?
Are VegetationD, Soil D, or Hydrology CJ naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site map showing sampling point locations, transects, important features, etc.
Yes C8l Hydrophytic Vegetation Present?
Hydric Soils Present? Yes IZI
No D
No D
No D
Is the Sampling Point within a Wetland? Yes !ZI No D
Wetiand Hydrology Present? Yes 1:8]
Remarks: Disturbed area: soil, vegetation, hydrology disturbed. Top layer excavated.
VEGETATION -Use scientific names of olants.
Tree Stratum (Plot size: 5m diam.) Absolute% Dominant Indicator Dominance Test Worksheet
Cover Snecies? Status
1 Alnus rubra 20 y FAC Number of Dominant Species
that are OBL, FACW, or FAG 3
2 (A)
3 Total Number of Dominant
4 Species Across All Strata 3
(B)
20 = Total Cover Percent of Dominant Species
that are OBL, FACW, or FAC: 100
(A/B)
Sapling/Shrub Stratum (Plot size: 3m diam.)
1 Prevalence Index Worksheet
2 Total % Cover of MultiE!il:'. b~
3 OBL species X 1 =
4 F ACW species X 2 =
5 FAG species X 3 =
= Total Cover FACU species x4 =
UPL species x5=
Herb Stratum (Plot size: 1m diam.) Column totals (A) (Bl
1 Ecwisetum telmateia 10 y FACW
2 SmaJVyouna arass 5 y FAC* Prevalence Index = B / A =
3
4 Hvdrophvtic Veaetation Indicators
5. 0 Dominance test is > 50%
6 D Prevalence test is s 3.0 ~
7 Morphological Adaptations~ (provide supporting
8. D data in remarks or on a separate sheet)
g D Wetland Non-Vascular Plants*
10 D Problematic Hydrophytic Vegetation• (explain)
11
15 = Total Cover * Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic
Woodv Vine Stratum /Plot size \
1.
2. Hydrophytic Vegetation lZJ D = Total Cover Present? Yes No
% Bare Ground in Herb Stratum:
Remarks: *Presumed FAC; Vegetation cleared recently.
US Army Corps of Engineers Western Mountains. Valleys, and Coast -Interim Version
SOIL amplina Point -DP-2
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 (moist\ % Tvoe 1 Loc2 Texture Remarks
0-11 7.5YR 2.5/3 100 Loamy sand
11-18 10YR 3/4 10 Loamy sand Mixed matrix
11-18 10YR 4/1 70 5YR 3/4 20 C M, PL Loamy sand Mixed matrix
18-23 10YR 3/2 80 10YR 4/2 5 D M Loamy sand
18-23 7.5Y 3/4 15 C M Loamy sand
1Type: C=Concentration, D=Oepletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 2 Loc: PL=Pore Lining, M=Matrix
Hydrlc Soll Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3
D Histosol (A1) D Sandy Redox (S5) D 2cm Muck {A 10)
D Histic Epipedon (A2) D Stripped Matrix (S6) D Red Parent Material (TF2)
D Black Histic (A3) D Loamy Mucky Mineral {F1) (exceptMLRA 1) C'<l Other (explain in remarks)
D Hydrogen Sulfide (A4) D Loamy Gleyed Matrix (F2) D
D Depleted Below Dark Surface (A11) D Depleted Matrix (F3)
D Thick Dark Surface {A12) D Redox Dark Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral {S 1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy Gleyed Matrix (S4) [J Redox Depressions (FB)
Restrictive Layer (if present)·
Type Hydric soil present? Yes ~ No D
Depth (inches):
Remarks: Soil jumbled from recent earthwork, therefore difficult to determine if layer depths are representative. However, strong redox
and depleted soils indicate wetland soils.
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required):
C: Surface water {A1) D Sparsely Vegetated Concave Surface (88) D Water-Stained Leaves (89) (MLRA 1, 2, 4A & 48)
C: High Water Table (A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 48) (89) D Drainage Patterns (810)
0 Saturation {A3) D SaltCrust(B11) D Ory-Season Water Table (C2)
D Water Marks (B1) D Aquatic Invertebrates (813) D Saturation Visible on Aerial Imagery (C9)
D Sediment Deposits (B2) D Hydrogen Sulfide Odor (C1) 0 Geomorphic Position (D2)
D Drift Deposits (B3} D Oxidized Rhizospheres along Living Roots (C3) D Shallow Aquitard (D3)
D Algal Mat or Crust (84) D Presence of Reduced Iron {C4) D FAG-Neutral Test (05)
D Iron Deposits (85} LJ Recent Iron Reduction in Tilled Soils (C6) 0 Raised Ant Mounds (D6) (LRR A)
D Surface Soil Cracks (86) C: Stunted or Stressed Plants (D1) (LRR A} D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery 0 Other (explain in remarks)
{B7]
Field Observations
Surface Water Present? Yes D No 181 Depth {in):
Water Table Present? Yes D No 0 Depth (in): Wetland Hydrology Present? Yes 0 No D
Saturation Present? Yes 181 No D Depth (in) 12" 8GS
(indudes capillary fringe}
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks: Saturation was observed at 12" below ground surface; but it appears that approximately 5" of soil was excavated from the
top. Due to presence of flowing surface water within a wetland about 4ft west of pit, its position relative to known wetland,
this area likely qualifies for wetland hydrology.
US Anny Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
.1111
~WATERSHED
WETLAND DETERMINATION DAT RM 750 Sixth Street South
Kirkland Washington 98033 Western Mountains Valleys and Coast Supplement to the ' ' 1987 COE Wetlands Delineation Manual
II
(425) 822-5242
(l,\1.i'\'\Y DP-3 l_ watershedco.com
Project Site: Emerald Crest Sampling Dale: 8/9/2016
Applicant/Owner: Emerald Crest HOA Sampling Point: DP-3
Investigator: K. Crandall, A Hoenia City/County: Renton
Sect., Township, Range: s 23 T 23N R 05E State: WA
Landform (hillslope, terrace, etc) Hillslope I Slope(%): 10 Local relief (concave, conve)(, none): None
Subregion {LRR) A I Lat Long Datum:
Soil Map Unit Name: Puyallup fine sandy loam NWI classification: NA
Are climatic/hydrologic conditions on the site typical for this time of year? 0 Yes D No (If no, explain in remarks.)
Are "Normal Circumstances' present on the site? 0 Yes D No
Are VegetationD, Soil D, or Hydrology D significantiy disturbed? (If needed, explain any answers in Remarks.)
Are Vegetation 0, Soil D, or Hydrology D naturally problematic
SUMMARY OF FINDINGS -Attach site map showina samclina ooint locations, transects, imoortant features, etc.
Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Yes 121
Yes 0
Yes 0
No D
No I@
No I@
Is the Sampling Point within a Wetland? Yes D No
Remarks: At edge of cleared area. Ground covered in gravel~ not disturbed from recent actions.
VEGE A ON U T Tl -I I se sc1ent1 1c names o p1 ants.
Tree Stratum (Plot size: Sm diam.) Absolute% Dominant Indicator Dominance Test Worksheet
Cover Soecies? Status
1. Number of Dominant Species
that are OBL, FACW, or FAC: 1
2
3. Total Number of Dominant
4 Species Across All Strata 1
= Total Cover Percent of Dominant Species
that are OBL, FACW, or FAC: 100
Sapling/Shrub Stratum (Plot size: 3m diam.)
1. Ornamental evemreen shrub 25 NA NI Prevalence Index Worksheet
2 Total% Qover of Multiel~ b~
3. OBL species x1=
4. FACW species x2=
5. FAC species x3=
25 = Total Cover FACU species x4=
UPL species x5=
Herb Stratum (Plot size: 1m diam.) Column totals (A) (Bl
t Eauisetum telmateia 100 y FACW
2 Lamium aaleobdolon Trace N NI Prevalence Index= B /A=
3. Ranunculus renens Trace N FAC
4 Hvdrophvtic Veaetation Indicators
5 0 Dominance test is> 50%
6. D Prevalence test is :Si 3.0 •
7. Morphological Adaptations* (provide supporting
8 D data in remarks or on a separate sheet)
9. D Wetland Non-Vascular Plants*
10 D Problematic Hydrophytic Vegetation• (explain)
11
100 -Total Cover * Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic
Woodv Vine Stratum (Plot size: l
1
2 Hydrophytic Vegetation lz;J = Total Cover Present? Yes No
% Bare Ground in Herb Stratum:
Remarks:
(A)
(B)
(A/8)
D
US Army Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
SOIL amplina Point -DP-3
Proflle Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
/inches) Color cmoistl % Color (moist} % Tvoe1 Loc2 Texture Remarks
0-10 10YR 312 100 Loamy sand
10-14 2.5Y 313 100 Gravelly sand
1Type: C::cConcentration, D=Depletion, RM=Reduced Matrix, CS::;Covered or Coated Sand Grains 2Loc: PL=Pore Lining, M=Matrix
Hydrlc Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3
D Histosol (A1) D Sandy Redox (S5) D 2cm Muck (A 10)
D Histic Epipedon {A2) D Stripped Matrix (S6) D Red Parent Material (TF2)
D Black Histic (A3) D Loamy Mucky Mineral (F1) (except MLRA 1) D Other (explain in remarks)
D Hydrogen Sulfide (A4) D Loamy Gleyed Matrix {F2) D
D Depleted Below Dark Surface (A 11) D Depleted Matrix {F3)
D Thick Dark Surface (A12) D Redox Dark Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy Gleyed Matrix {S4) D Redox Depressions (FB)
Restrictive Layer {if present):
Type: Hydrlc soil present? Yes D No ~
Depth (inches)
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required):
D Surface water (A 1) D Sparsely Vegetated Concave Surface (BB) D Water-Stained Leaves (89} (MLRA 1, 2, 4A & 48)
D High Water Table (A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 4B} (89) D Drainage Patterns (810)
D Saturation (A3) D Salt Crust (811) D Dry-Season Water Table (C2)
D Water Marks (81) D Aquatic Invertebrates (813} D Saturation Visible on Aerial Imagery (C9)
D Sediment Deposits (82} D Hydrogen Sulfide Odor (C 1) D Geomorphic Position (02)
D Drift Deposits (B3) D Oxidized Rhizospheres along Living Roots (C3) D Shallow Aquitard (D3)
D Algal Mal or Crust (84) D Presence of Reduced Iron (C4) D FAC-Neutral Test (05)
D Iron Deposits (B5) D Recent Iron Reduction in Tilled Soils (C6) D Raised Ant Mounds (06) (LRR A)
D Surface Soil Cracks (86) D Stunted or Stressed Plants (D1) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery n Other (explain in remarks)
(B7)
Field Observations
Surface Water Present? Yes D No 0 Depth (in):
Water Table Present? Yes D No 0 Depth (in): Wetland Hydrology Present? Yes D No ~
Saturation Present? Yes D No 0 Depth (in):
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarl<s: Damp, not saturated.
US Army Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
WETLAND DETERMINATION DAT, RM 750 Sixth Street south
Western Mountains, Valleys, and Coast Supplement to the Kirkland, Washington 98033
1987 COE Wetlands Delineation Manual r1======;i11 (425) 822-5242
DP-4 watershedco.com
Project Site: Emerald Crest Sampling Date: 8/9/2016
ApplicanUOv,mer: Emerald Crest HOA Sampling Point: DP-4
Investigator: K. Crandall, A. HoeniQ City/County: Renton
Sect, Township, Range· s 23 T 23N R 05E State: WA
Landform (hillslope, terrace, etc)· Depression I Slope(%): 0 Local relief (concave, convex, none) Concave
Subregion (LRR) A I Lat Long: Datum
Soil Map Unit Name: Puyallup fine sandy loam NWI classification: NA
Are cl1mat1c/hydrologic conditions on the site typical for this time of year? [jJ Ye, D No (If no, explain in remarks.)
Are "Normal Circumstances" present on the site? Ci<! Ye, D No
Are VegetationD, Soil D, or Hydrology D significantly disturbed?
Are VegetationD, Soil D, or Hydrology D naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Remarks· In-pit in undisturbed area.
Yes l2l
Yes ~
Yes IZl
VEGETATION -Use scientific names of nlants.
Tree Stratum (Plot size: Sm dtam.) Absolute%
Cover
1 A/nus rubra 20
2
3
4
20
Sapling/Shrub Stratum (Plot size 3m diam.)
1. Rubus armeniacus 25
2
3
4
5
25
Herb Stratum {Plot size: 1m diam.)
1 Athvrium cvclosorum 20
2 Ranunculus reoens 100
3 Eauisetum telmateia 10
4 Epilobium ciliatum 30
5
6
7
8
9
10
11
160
Woodv Vine Stratum (Plot size· )
1
2
% Bare Ground in Herb Stratum·
Remarks:
US Army Corps of Engineers
No D
No D
No D
Is the Sampling Point within a Wetland? Yes IZI No D
Dominant Indicator Dominance Test Worksheet
Soecies? Status
y FAC Number of Dominant Species
3 that are OBL, FACW, or FAG: (A)
Total Number of Dominant 3 Species Across All Strata (B)
= Total Caver Percent of Dominant Species
that are OBL. FACW, or FAC 100
(A/B)
y FAC Prevalence Index Worksheet
Total % Cover of Multi[;!ly by
OBL species X 1 =
FACW species x2=
FAG species '3-
-Total Cover FACU species x4=
UPL species x5=
Column totals (A) (B)
N FAC
y FAC Prevalence Index= B /A=
N FACW
N FACW Hvdronhvtic Veaetation Indicators
[jJ Dominance test is> 50%
D Prevalence test is:!= 3.0 •
Morphological Adaptations• (provide supporting
D data in remarks or on a separate sheet)
D Wetland Non-Vascular Plants•
D Problematic Hydrophytic Vegetation * (explain)
= Total Cover • Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or oroblematic
Hydrophytic Vegetation Yes lZl No D = Total Cover Present?
Westem Mountains, Valleys, and Coast-Interim Version
SOIL r P . amp1mg omt-DP-4
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
finches} Color /moist\ % Color /moist\ I % T e' Loe' Texture Remarks
0-9 10YR 2/1 43 7.5YR 3/4 114 C M Sandy clay loam Mixed matrix
0-9 SY 3/1 43 Redox features in both matrix " " Loamy sand Mixed matrix
colors
9-16 SY 2.5/1 93 7.SYR 3/4 11 C PL Sandy clay loam
1Type C::cConcentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 'Loe PL=Pore Lining, M=Matrix
Hydrlc Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3
D Histosol (A1) D Sandy Redox (S5) D 2cm Muck (A 10)
D Histic Epipedan (A2) D Stripped Matrix (S6) D Red Parent Material (TF2)
D Black Histic (A3) D Loamy Mucky Mineral {F1) (except MLRA 1) D Other (explain in remarks)
0 Hydrogen Sulfide (A4) D Loamy Gleyed Matrix (F2) D
D Depleted Below Dari< Surface {A 11) D Depleted Matrix {F3)
D Thick Dari< Surface {A12) 0 Redox Dari< Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy Gleyed Matrix (S4) D Redox Depressions (FB)
Restrictive Layer Of present):
Type: Hydric soil present? Yes ISi No D
Depth (inches)
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required):
D Surface water (A1) D Sparsely Vegetated Concave Surface (88) D Water-Stained Leaves (89) (MLRA 1, 2, 4A & 4B)
0 High Water Table (A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 4B) (89) D Drainage Patterns (810)
0 Saturation (A3) D SaltCrust(B11) D Dry-Season Water Table (C2)
D Water Mar!<s (81) D Aquatic Invertebrates (B13) D Saturation Visible on Aerial Imagery (CS)
D Sediment Deposits (82) 0 Hydrogen Sulfide Odor (C1) 0 Geomorphic Position (D2)
D Drift Deposits (83) 0 Oxidized Rhizospheres along Living Roots (C3) D Shallow Aquitard {D3)
D Algal Mat or Crust (84) D Presence of Reduced Iron (C4) 0 FAG-Neutral Test (D5)
D Iron Deposits (85) D Recent Iron Reduction in Tilled Soils (C6) D Raised Ant Mounds (D6) (LRR A)
D Surface Soil Cracks {86) D Stunted or Stressed Plants {D1) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery D other (explain in remarks)
(B7)
Field Observations
Surface Water Present? Yes D No c,; Depth (in):
Water Table Present? Yes 0 No D Depth {in): 12 Wetland Hydrology Present? Yes ISi No D Saturation Present? Yes 2J No D Depth {in) 0
(indudes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
US Army Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
WETLAND DETERMINATION DAT, RM 750 Sixth Street South
Western Mountains, Valleys, and Coast Supplement to the Kirkland, Washington 98033
1987 COE Wetlands Delineation Manual r1======;t11 (425) 822-5242
DP-5 watershedco.com
Project Site: Emerald Crest Sampling Date: 81912016
ApplicanUOwner: Emerald Crest HOA Sampling Point: DP-5
Investigator: K. Crandall, A. Hoeni1=1 City/County: Renton
Sect, Township, Range s 23 T 23N R OSE State: WA
Landform (hillslope, terrace, etc): Toe of slope I Slope(%): 0 Local relief (concave, convex, none): Concave
Subregion (LRR): A I Lat Long: Datum:
Soil Map Unit Name: Puyallup fine sandy loam NWI classification: NA
Are climatic/hydrologic conditions on the site typical for this time of year? 0 Yes D No (If no, explain in remarks.)
Are "Normal Circumstances" present on the site? D Yes 0 No Fill area, soil and vegetation disturbed.
Are Vegetation 0, Soil !81, or Hydrology C:: significantly disturbed?
Are Vegetation 0, Soil D, or Hydrology c::· naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site mao showina samolina ooint locations, transects, imoortant features, etc.
Yes [gJ Hydrophytic Vegetation Present?
Hydrlc Soils Present? Yes [81
No D
No D
No D
Is the Sampling Point within a Wetland? Yes [ZI No D
Wetland Hydrology Present? Yes C8:I
Remarks: In disturbed area. 4·5" of gravel fill over black tarp/fabric.
VEGETATION-Use scientific names of olants.
Tree Stratum (Plot size: Sm diam.) Absolute% Dominant Indicator Dominance Test Worksheet
Cover Soecies? Status
1. Alnus rubra 5 y FAC Number of Dominant Species
4
2. that are 0BL, FACW, or FAG: (A)
3. Total Number of Dominant 4 4 Species Across All Strata: (B)
5 = Total Cover Percent of Dominant Species
that are OBL, FACW, or FAG: 100
(A/B)
Sapling/Shrub Stratum (Plot size: 3m diam.)
1. Rubus armeniacus 5 y FAC Prevalence Index Worksheet
2. Total % Cover of Multi2ly b~
3 OBL species X 1 =
4 F ACW species x2=
5 FAG species x3=
5 = Total Cover FACU species x4=
UPL species x5=
Herb Stratum (Plot size: 1m diam.) Column totals (A) (6)
1. Schoenoolectus acutus 10 y OBL
2. Eauisetum telmateia 15 y FACW Prevalence Index= 8 /A=
3. Epilobium ciliatum Trace N FACW
4 Galiumsp. Trace N NI Hvdroohvtic Veaetation Indicators
5 0 Dominance test is > 50%
6. D Prevalence test is s: 3.0 *
7. Morphological Adaptations• (provide supporting
8 D data in remarks or on a separate sheet)
9. D Wetland Non-Vascular Plants*
10 D Problematic Hydrophytic Vegetation• (explain)
11
25 = Total Cover * Indicators of hydrlc soil and wetland hydrology must be
present, unless disturbed or oroblematic
Woodv Vine Stratum (Plot size· )
1.
2 Hydrophytic Vegetation [gJ D = Total Cover Present? Yes No
% Bare Ground m Herb Stratum: 80% fill
Remarks: Two.thirds of area is disturbed/cleared.
US Army Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
SOIL ampling Point -DP-5
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 (moist) % Tvoe1 Loe' Texture Remarks
0-7 10YR 3/1 93 5YR 3/4 7 C M Clay loam
7-14 SY 2.5/1 100 Loamy sand
1Type: C=Concentration, O=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 2Loc: PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric SoilsJ
D Hlstosol (A 1) D Sandy Redox {S5) D 2cm Muck (A 10)
D Histic Epipedon {A.2) D Stripped Matrix (S6) D Red Parent Material (TF2)
D Black Histic (A3} D Loamy Mucky Mineral (F1) (except MLRA 1) D Other (explain in remarks)
181 Hydrogen Sulfide (A4) D Loamy Gleyed Matrix (F2) D
D Depleted Below Dark Surface (A 11) D Depleted Matrix (F3)
D Thick Dark Surface (A12) 181 Redox Dark Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S 1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy Gleyed Matrix (S4) D Redox Depressions (FB)
Restrictive Layer (if present)
Type: Hydric soil present? Yes IZI No D
Depth {inches):
Remarks: 4-5" of gravel fill over black tarp/fabric. Soil profile starts below fill and fabric.
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required.-check all that apply): Secondary Indicators (2 or more required):
D Surface water {A1) D Sparsely Vegetated Concave Surface (88) D Water-Stained Leaves (89) (MLRA 1, 2, 4A & 48)
D High Water Table {A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 48) (89) D Drainage Patterns (81 O)
181 Saturation {A3) D Salt Crust (811) D Dry-Season Water Table (C2)
D Water Marks (81) D Aquatic Invertebrates {813) D Saturation Visible on Aeria! Imagery {C9)
D Sediment Deposits {82) 181 Hydrogen Sulfide Odor {C1) 181 Geomorphic Position {D2)
D Drift Deposits (83) D Oxidized Rhizospheres along Living Roots {C3) D Shallow Aquitard (03)
D Algal Mat or Crust (84) D Presence of Reduced Iron (C4) 181 FAG-Neutral Test (D5)
D Iron Deposits (85) D Recent Iron Reduction in Tilled Soils (CB) D Raised Ant Mounds (06) {LRR A)
D Surface Soil Cracks (86) D Stunted or Stressed Plants {01) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery D Other {explain in remarks)
(B7)
Field Observations
Surface Water Present? Yes D No 181 Depth (in):
Water Table Present? Yes D No 181 Depth (in): Wetland Hydrology Present? Ye, IZI No D Saturation Present? Yes 181 No D Depth (in) 0
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
US Army Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
11 I l
WATERSHED
l, )'dl'/li~\
WETLAND DETERMINATION DAT, RM 750 Sixth Street South
Western Mountains, Valleys, and Coast Supplement to the r.====== Kirkland, Washington 98033
1987 COE Wetlands Delineation Manual II II (425) 822-5242 DP-6 watershedco.com
Project Site: Emerald Crest Sampling Date: 8/9/2016
ApplicanUOwner: Emerald Crest HOA Sampling Point DP-6
Investigator: K. Crandall, A. HoeniQ City/County: Renton
Sect, Township. Range s 23 T 23N R 05E State: WA
Landform (hillslope, terrace, etc): hillslope I Slope(%) 7 Local relief (concave, convex, none): none
Subregion (LRR): A J Lat Long: Datum:
Soil Map Unit Name: Puyallup fine sandy loam NWI classification: NA
Are climatic/hydrologic conditions on the site typical for this time of year? !)!I Yes D No (If no, explain in remarks.)
Are "Normal Circumstances" present on the site? D Yes 0 No Cleared and graded area
Are Vegetation!ZI, Soil IZI, or Hydrology IZI significantly disturbed?
Are VegetationO, Soil 0, or Hydrology O naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site map showing sampling point locations, transects, import.ant features, etc.
Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Yes t21
Yes [21
Yes [21
Remarks: Disturbed area -excavated
VEGETATION -Use scientific names of olants.
Tree Stratum (Plot size· Sm diam.) Absolute%
Cover
1
2
3
4
Sapling/Shrub Stratum (Plot size 3m diam.)
1
2
3
4
5
Herb Stratum (Plot size: 1 m diam.)
1 Eauisetum telmateia 5
2.
3
4
5
6
7.
8
9
10
11
5
Woodv Vine Stratum /Plot size: l
1
2
% Bare Ground in Herb Stratum:
No 0
No 0
No 0
Is the Sampling Point within a Wetland? Yes IZJ No D
Dominant Indicator Dominance Test Worksheet
Soecies? Status
Number of Dominant Species
1 that are OBL, FACW, or FAG: (A)
Total Number of Dominant
1 Species Across All Strata: (B)
= Total Cover Percent of Dominant Species
that are OBL, FACW, or FAG· 100
(NB)
Prevalence Index Worksheet
Total % Cover of Multi12I~ bJ'.
OBL species X 1 =
FACW species ,2-
FAG species x3=
= Total Cover FACU species '4-
UPL species x5=
Column totals (A) IBJ
y FACW
Prevalence Index= B /A=
HvdroDhvtic VeQetation Indicators
D Dominance test ls> 50%
D Prevalence test 1s :!:i 3.0 ~
Morphological Adaptations* (provide supporting
D data in remarks or on a separate sheet)
D Wetland Non-Vascular Plants '
0 Problematic Hydrophytic Vegetation* (explain)
-Total Cover • Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic
Hydrophytlc Vegetation Yes lz:I No D = Total Cover Present?
Remarks: Landscape position and nearby reference sites support hydrophytic vegetation.
US Army Corps of Engineers Western Mountains, Valleys, and Coast-lntenm Version
SOIL amplina Point-DP-6
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 {moist) % Tvoe 1 Loc2 Texture Remarks
0-7 2.5Y 412 80 5YR 3/4 20 C M,PL Loamy sand
7-15 10YR 412 80 7.5YR4/6 20 C M Loamy sand
1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 2Loc: PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydrlc Solls3
C: Histosol (A 1) D Sandy Redox (S5) D 2cm Muck (A10)
C: Histic Epipedon (A2) D Stripped Matrix (S6) D Red Parent Material {TF2)
C Black Histic (A3) D Loamy Mucky Mineral (F1) (exceptMLRA 1) D other (explain in remarks)
C Hydrogen Sulfide (A4) D Loamy Gleyed Matrix (F2) D
D Depleted Below Dark Surface (A11) ~ 0 Depleted Matrix (F3)
D Thick Dark Surface (A12) D Redox Dark Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S1) D Depleted Dark Surface {F7) be present, unless disturbed or problematic
D Sandy G!eyed Matrix {S4) D Redox Depressions (F8)
Restrictive Layer (if present):
Type: Hydric soil present? Yes l:2J No D
Depth (inches)
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required):
D Surface water (A 1) D Sparsely Vegetated Concave Surface (B8) D Water-Stained Leaves (B9) (MLRA 1, 2, 4A & 4B)
0 High Water Table (A2} D Water-Stained Leaves (except MLRA 1, 2, 4A & 4B} (89) D Drainage Patterns {B10)
0 Saturation (A3) D SaltCrust{B11) D Dry-Season Water Table {C2)
D Water Marks (B1) D Aquatic Invertebrates {B13) D Saturation Visible on Aerial Imagery (C9)
D Sediment Deposits {B2) D Hydrogen Sulfide Odor {C1) 0 Geomorphic Position (02)
D Drift Deposits {B3) D Oxidized Rhizospheres along Living Roots (C3} D Shallow Aquitard (D3)
D Algal Mat or Crust (B4) D Presence of Reduced Iron (C4) D FAG-Neutral Test (D5)
D Iron Deposits (B5) D Recent Iron Reduction in Tilled Soils (C6) D Raised Ant Mounds (06) {LRR A}
D Surface Soil Cracks {B6) D Stunted or Stressed Plants (D1) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery D other (explain in remarks)
(B7)
Field Observations
Surface Water Present? Yes D No 0 Depth (in):
Water Table Present? Yes 0 No D Depth (in)· 14" BGS Wetland Hydrology Present? Yes l:2J No D Saturation Present? Yes 0 No D Depth (in): 7"BGS
(indudes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks: 6 feet east of DP-6: water table at depth of 18 inches, saturation at depth of 12 inches, vegetation and soils disturbed, similar
soils, -12 inches excavated from top.
US Army Corps of Engineers Westem Mountains, Valleys, and Coast-Interim Version
.1111
~WATERSHED
WETLAND DETERMINATION DAT, RM 750 Sixth Street South
Kirkland Washington 98033 Western Mountains Valleys and Coast Supplement to the . .
1987 COE Wetlands Delineation Manual (425) 822-5242
(\ l,\1,1\\~Y DP-7 watershedco.com
Project Site: Emerald Crest Sampling Date: 81912016
Applicant/Owner: Emerald Crest HOA Sampling Point: DP-7
Investigator: K. Crandall, A. Hoenia City/County: Renton
Sect, Township, Range s 23 T 23N R 05E State: WA
Landform (hillslope, terrace, etc). Top of hillslope I Slope(%): <5 Local relief (concave, convex, none): Convex
Subregion (LRR): A I Lat Long Datum:
Soil Map Unit Name Puyallup fine sandy loam NWI classification: NA
Are climatic/hydrologic conditions on the site typical for this time of year? ,!J Yes D No (If no, explain in remarks.)
Are "Normal Circumstances" present on the site? ,!J Yes D No
Are VegetationD, Soil D, or Hydrology D significantly disturbed?
Are VegetationD, Soil D, or Hydrology D naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site mao showina samclina ooint locations, transects, important features, etc.
Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Yes l3l
Yes D
Yes D
Remarks: Out-pit in north portion of study area
VEGETATION-Use scientific names of olants.
Tree Stratum (Plot size: Sm diam.) Absolute%
Cover
1. A/nus rubra 100
2 Matus fusca 10
3
4.
110
Sapling/Shrub Stratum (Plot size: 3m diam.)
1 Thuja p/icata /sapling) 5
2 Rubus armeniacus 60
3 Rosasn. 40
4
5
105
Herb Stratum (Plot size: 1m diam.)
1
2
3
4
5
6
7
8
9
10.
11.
Woody Vine Stratum (Plot size I
1
2
% Bare Ground in Herb Stratum:
Remarks:
US Army Corps of Engineers
No D
No I@
No I@
Is the Sampling Point within a Wetland? Yes D No IZJ
Dominant Indicator Dominance Test Worksheet
Soecies? Status
y FAC Number of Dominant Species
N FACW that are OBL, FACW, or FAC: 3
(A)
Total Number of Dominant
Species Across All Strata: 3 (B)
-Total Cover Percent of Dominant Species
that are OBL, FACW, or FAC· 100
(NB)
N FAC Prevalence Index Worksheet
y FAC Total% Cover of MultiQI~ b~
y FAC OBL species x1=
FACW species x2=
FAC species x3"'
= Total Cover FACU species x4=
UPL species XS"'
Column totals (A) /Bl
Prevalence Index = B / A =
Hydrophvtic Vegetation Indicators
0 Dominance test is:;, 50%
D Prevalence test is :S 3.0 ~
Morphological Adaptations* (provide supporting
D data in remarks or on a separate sheet)
D Wetland Non-Vascular Plants•
D Problematic Hydrophytic Vegetation • (explain)
-Total Cover • Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic
Hydrophytic Vegetation 1:8:1 D Yes No = Total Cover Present?
Western Mountains, Valleys, and Coast-Interim Version
SOIL amplina Point-DP-7
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color rmoist\ % Color <moist\ % T"ne1 Loe' Texture Remarks
0-8 10YR 2/2 100 Gravely sandy loam
8-14 10YR 312 100 Gravely sandy loam
1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 2Loc: PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3
D Histosol {A 1) D Sandy Redox (S5) D 2cm Muck (A10)
D Hlstic Epipedon {A2) D Stripped Matrix (S6) D Red Parent Material (TF2)
D Black Histic (A3) D Loamy Mucky Mineral (F1) (except MLRA 1) D Other (explain in remarks)
D Hydrogen Sulfide (A4) D Loamy Gleyed Matrix {F2) D
D Depleted Below Dark Surface (A 11) D Depleted Matrix {F3)
D Thick Dark Surface (A12) D Redox Dark Surface (F6) 3 Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy GI eyed Matrix (S4) D Redox Depressions (FS)
Restrictive Layer (if present):
Type: Hydric soil present? Yes D No [SJ
Depth (inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required)·
D Surface water (A 1) D Sparsely Vegetated Concave Surface (BS) D Water-Stained Leaves (B9) (MLRA 1, 2, 4A & 48)
D High Water Table (A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 4B) (B9) D Drainage Patterns (B10)
D Saturation (A3) D SaltCrust(B11) D Dry-Season Water Table (C2)
D Water Marks {81) D Aquatic Invertebrates (B 13) D Saturation Visible on Aeria! Imagery (C9)
D Sediment Deposits (B2) D Hydrogen Sulfide Odor {C1) D Geomorphic Position (D2)
D Drift Deposits (83) D Oxidized Rhizospheres along Living Roots (C3) D Shallow Aquitard {D3)
D Algal Mat or Crust (84) D Presence of Reduced Iron (C4) D FAG-Neutral Test (D5)
D Iron Deposits (B5) D Recent Iron Reduction in Tilled Soils (CS) D Raised Ant Mounds (D6) {LRR A)
D Surface Soil Cracks (86) D Stunted or Stressed Plants (D1) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery D other (explain in remarks)
(B7)
Field Observations
Surface Water Present? Yes D No 0 Depth (in):
Water Table Present? Yes D No 0 Depth (in): WeUand Hydrology Present? Yes D No [SJ
Saturation Present? Yes D No 0 Depth (in):
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks: Dry
US Army Corps of Engineers Western Mountains, Valleys, and Coast~ Interim Version
Ii 11
WATERSHED
l~( l,\11i\\t\Y
WETLAND DETERMINATION DAT, RM 750 Sixth Street South
Western Mountains, Valleys, and Coast Supplement to the ~=====;i Kirkland, Washington 98033
1987 COE Wetlands Delineation Manual l'J II (425) 822-5242 DP-8 watershedco.com
Project Site: Emerald Crest Sampling Date: 81912016
ApplicanVOwner: Emerald Crest HOA Sampling Point DP-8
Investigator: K. Crandall, A Hoenia City/County: Renton
Sect., Township, Range: s 23 T 23N R 05E State: WA
Landform (hillslope, terrace, etc) Hillslope I Slope(%): 10 Local relief (concave, convex, none): Concave
Subregion (LRR) A I Lat Long: Datum:
Soil Map Unit Name Puyallup fine sandy loam NWI classification: NA
Are climatic/hydrologic conditions on the site typical for this time of year? [,l Yes D No {If no, explain in remarks.)
Are "Normal Circumstances" present on the site? 0 Yes D No
Are VegetationD, Soil D, or Hydrology :J significantly disturbed?
Are VegetationD, Soil 0, or Hydrology CJ naturally problematic (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS -Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present?
Hydric Soils Present?
Wetland Hydrology Present?
Yes t8I
Yes D
Yes D
Remari<s: Just at south edge of gravel/excavation
VEGETATION -Use scientific names of olants.
Tree Stratum (Plot size: 5m diam.) Absolute%
Cover
1
2
3
4
Sapling/Shrub Stratum (Plot size 3m diam.)
1 Comusalba 7
2 Rubus soectabilis 15
3
4
5
22
Herb Stratum (Plot size: 1 m diam )
t Field arasses 100
2 Ranunculus reoens 25
3 Eoilobium ciliatum 5
4 Equisetum telmateia 30
5
6
7
8
9
to
11.
160
Woodv Vine Stratum (Plot size· )
t
2
% Bare Ground in Herb Stratum:
Remarks· *Presumed
US Army Corps of Engineers
No D
No 0
No 0
ls the Sampling Point within a WeUand? Yes D No IZJ
Dominant Indicator Dominance Test Worksheet
Soecies? Status
Number of Dominant Species
3 that are OBL, FACW, or FAC: (A)
Total Number of Dominant
Species Across All Strata: 3
(B)
= Total Cover Percent of Dominant Species
that are OBL, FACW, or FAG: 100
(A/8)
y FACW Prevalence Index Worksheet
y FAC Total% Cover of Mul!iQII! b~
OBL species X 1 =
FACW species x2=
FAG species x3=
= Total Cover FAGU species x4 =
UPL species x5=
Column totals (A) /B\
y FAC'"
N FAC Prevalence Index= B /A=
N FACW
N FACW HvdrochUTic Veaetation Indicators
0 Dominance test is> 50%
D Prevalence test is s 3.0 •
Morphological Adaptations • (provide supporting
D data in remarks or on a separate sheet)
D Wetland Non-Vascular Plants*
D Problematic Hydrophytic Vegetation • (explain)
-Total Cover * Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic
Hydrophytic Vegetation ~ D = Total Cover Present? Yes No
Western Mountains, Valleys, and Coast-Interim Version
SOIL r P . amp mg omt-DP 8 -
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 (moist'> % Tvne1 Loc2 Texture Remarks
0-12 10YR 313 100 Sandy loam
12-15 10YR 316 100 Loamy sand
1Type: C=Concentration, D=Dep!etion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains 2Loc. PL=Pore Lining, M=Matrix
Hydric Soil Indicators: (Appllcableto all LRRs, unless otherwise noted.) Indicators for Problematic Hydrlc Soils 3
D Histosol (A 1) D Sandy Redox {S5) D 2cm Muck (A 10)
D Histic Epipedon (A2) D Stripped Matrix {S6) D Red Parent Material (TF2)
D Black Histic (A3) D Loamy Mucky Mineral (F1) (exceptMLRA 1) D other (explain in remarks)
D Hydrogen Sulfide {A4) D Loamy Gleyed Matrix {F2) D
D Depleted Below Dark Surface (A 11) D Depleted Matrix (F3)
D Thick Dark Surface (A12) D Redox Dark Surface (F6) :, Indicators of hydrophytic vegetation and wetland hydrology must
D Sandy Mucky Mineral (S 1) D Depleted Dark Surface (F7) be present, unless disturbed or problematic
D Sandy GI eyed Matrix (S4) D Redox Depressions (F8)
Restrictive Layer (if present)
Type: Hydric soil present? Yes D No [2J
Depth (inches):
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Primary Indicators (minimum of one required: check all that apply): Secondary Indicators (2 or more required):
D Surface water (A 1) D Sparsely Vegetated Concave Surface (B8) D Water-Stained Leaves (B9) (MLRA 1, 2, 4A & 4B)
D High Water Table (A2) D Water-Stained Leaves (except MLRA 1, 2, 4A & 48) (89} D Drainage Patterns (B 10)
D Saturation (A3) D Salt Crust (811) D Dry-Season Water Table (C2)
D Water Marks (B 1) D Aquatic Invertebrates {813) D Saturation Visible on Aerial Imagery (C9)
D Sediment Deposits (B2) D Hydrogen Sulfide Odor (C1) D Geomorphic Position {D2)
D Drift Deposits (B3) D Oxidized Rhizospheres along Living Roots (C3) 0 Shallow Aquitard (03)
D Algal Mat or Crust (B4) D Presence of Reduced Iron (C4) D FAG-Neutral Test (D5)
D Iron Deposits (85) D Recent Iron Reduction in Tilled Soils (C6) D Raised Ant Mounds (D6) (LRR A)
D Surface Soil Cracks (86) D Stunted or Stressed Plants (01) (LRR A) D Frost-Heave Hummocks
D Inundation Visible on Aerial Imagery D other {explain in remarks)
(B7)
Field Observations
Surface Water Present? Yes D No 0 Depth (in):
Water Table Present? Yes D No 0 Depth (in): Wetland Hydrology Present? Yes D No [2J
Saturation Present? Yes D No 0 Depth (in):
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks: Damp, not saturated.
US Anny Corps of Engineers Western Mountains, Valleys, and Coast-Interim Version
Wetland Name: Wetland A
RA TING SUMMARY -Western Washington
Name of wetland (or ID#): Emerald Crest -Wetland A Date of site visit: 8/9/2016
Rated by: K. Crandall, A. Hoenig Trained by Ecology? i:8JY ON Date of training: 9/14, 10/15
HGM Class used for rating: Slope Wetland has multiple HGM classes? DY l:8l N
NOTE: Form is not complete without the figures requested (figures can be combined}.
Source of base aerial photo/map: COR maps, Google Earth (8/22/16)
OVERALL WETLAND CATEGORY (based on functions l:8l or special characteristics D)
1. Category of wetland based on FUNCTIONS
D Category I -Total score= 23 -27
D Category II -Total score = 20 -22
D Category Ill -Total score = 16 -19
181 Category IV-Total score= 9 -15
FUNCTION Improving Hydrologic
Water Quality
Habitat
Circle the appropriate ratings
Site Potential H M L H M L H M L
Landscape Potential H M L H M L H M L
Value H (M) L H} M L H IM) L TOTAL
Score Based on 4 Ratings 5 6 15
2. Category based on SPECIAL CHARACTERISTICS of wetland
CHARACTERISTIC
Estuarine
Wetland of High Conservation Value
Bog
Mature Forest
Old Growth Forest
Coastal Lagoon
lnterdunal
None of the above
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
CATEGORY
I II
I
I
I
I
I II
I II Ill IV
IZI
Score for each
function based
on three
ratings
(order of ratings
is not
important)
9 = H,H,H
8 = H,H,M
7 = H,H,L
7 = H,M,M
6 = H,M,L
6=M,M,M
5 = H,L,L
5= M,M,L
4 = M,L,L
3 = L,L,L
1
Wetland Name: Wetland A
Maps and figures required to answer questions correctly for
Western Washington
Slope Wetlands
Map of: To answer questions: Figure#
Coward in plant classes
Hydroperiods
Plant cover of dense trees, shrubs, and herbaceous plants
Plant cover of dense, rigid trees, shrubs, and herbaceous plants
(can be added to figure above)
Boundary of 150 ft buffer (can be added to another figure)
1 km Polygon: Area that extends 1 km from entire wetland edge -including
polygons for accessible habitat and undisturbed habitat
Screen capture of map of 303(d) listed waters in basin (from Ecology website)
Screen capture of list of TMDL.s for WRIA in which unit is found (from web)
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
H 1.1, H 1.4 1
H 1.2 2
S 1.3 3
S4.1 3
S 2.1, S 5.1 2
H 2.1, H 2.2, H 2.3 4
S 3.1, S 3.2 5
S 3.3 6
2
Wetland name or number: Wetland A
HGM Classification of Wetlands in Western Washington
For questions 1-7, the criteria described must apply to the entire unit being rated.
If the hydrologic criteria listed in each question do not apply to the entire unit being rated, you
probably have a unit with multiple HGM classes. In this case, identify which hydrologic criteria in
questions 1-7 apply, and go to Question 8.
1. Are the water levels in the entire unit usually controlled by tides except during floods?
0NO -go to 2 DYES -the wetland class is Tidal Fringe -go to 1.1
1.1 Is the salinity of the water during periods of annual low flow below 0.5 ppt (parts per thousand)?
NO -Saltwater Tidal Fringe (Estuarine) YES -Freshwater Tidal Fringe
I/your wetland can be classified as a Freshwater Tidal Fringe use the forms for Riverine wetlands. !fit
is Saltwater Tidal Fringe it is an Estuarine wetland and is not scored. This method cannot be used to
score functions for estuarine wetlands.
2. The entire wetland unit is flat and precipitation is the only source (>90%) of water to it. Groundwater
and surface water runoff are NOT sources of water to the unit.
0NO -go to 3 DYES -The 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 of the following criteria?
DThe vegetated part of the wetland is on the shores ofa body of permanent open water (without any
plants on the surface at anytime of the year) at least 20 ac (8 ha) in size;
DAt least 30% of the open water area is deeper than 6.6 ft (2 m).
0NO-goto4 DYES -The wetland class is Lake Fringe (Lacustrine Fringe)
4. Does the entire wetland unit meet all of the following criteria?
0The wetland is on a slope (slope can be very gradual),
0The water flows through the wetland in one direction (unidirectional) and usually comes from
seeps. It may flow subsurface, as sheetflow, or in a swale without distinct banks,
0The water leaves the wetland without being impounded.
ONO-goto 5 0YES -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 1 ft
deep).
5. Does the entire wetland unit meet all of the following criteria?
DThe unit is in a valley, or stream channel, where it gets inundated by overbank flooding from that
stream or river,
D The overbank flooding occurs at least once every 2 years.
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
3
Wetland name or number: Wetland A
ONO -go to 6 DYES-The wetland class is Riverine
NOTE: The Riverine unit can contain depressions that are filled with water when the river is not
flooding
6. ls 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.
ONO-goto 7 DYES -The wetland class is Depressional
7. ls the entire wetland unit located in a very flat area with no obvious depression and no overbank
flooding? The unit does not pond surface water more than a few inches. The unit seems to be
maintained by high groundwater in the area. The wetland may be ditched, but has no obvious natural
outlet.
ONO-goto 8 DYES -The wetland class is Depressional
8. Your wetland unit seems to be difficult to classify and probably contains several different HGM
classes. 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 HYDROLOG!C 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.
HGM classes within the wetland unit HGM class to
being rated use in rating
Slope+ Riverine Riverine
Slope+ Depressional Depressional
Slope+ Lake Fringe Lake Fringe
Depressional + Riverine along stream Depressional
within boundary of depression
Depressional + Lake Fringe Depressional
Riverine + Lake Fringe Riverine
Salt Water Tidal Fringe and any other Treat as
class of freshwater wetland ESTUARINE
If you are still unable to determine which of the above criteria apply to your wetland, or if you have
more than 2 HGM classes within a wetland boundary, classify the wetland as Depressional for the
rating.
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
4
Wetland name or number: Wetland A
SLOPE WETLANDS
Water Quality Functions -Indicators that the site functions to improve water quality
S 1.0. Does the site have the potential to improve water quality?
s 1.1. Characteristics of the average slope of the wetland: (a 1% slope has a 1ft vertical drop in elevation for every
100 ft of horizon to I distance)
D Slope is 1% or less points= 3
D Slope is> 1%-2% points= 2 0
D Slope is> 2%-5% points= 1
t2J Slope is greater than 5% points= 0
S 1.2. The soil 2 in below the surface {or duff layer} is true clay or true organic (use NRCS definitions): Yes -3 No -O 0
S 1.3. Characteristics of the plants in the wetland thattrap sediments and pollutants:
Choose the points appropriate for the description that best fits the plants in the wetland. Dense means you
have trouble seeing the soil surface (>75% cover), and uncut means not grazed or mowed and plants are higher
than 6 in.
D Dense, uncut, herbaceous plants> 90% of the wetland area points= 6 2
D Dense 1 uncut, herbaceous plants> Yi of area points= 3
t2J Dense, woody, plants> Yi of area points= 2
D Dense, uncut, herbaceous plants> X of area points:: 1
D Does not meet any of the criteria above for plants points:: O
Total for S 1 Add the points in the boxes above 2
Rating of Site Potential If score is: D 12 = H D 6-11 = M t2J 0-5 = L Record the roting on the first page
S 2.0. Does the landscape have the potential to support the water quality function of the site?
S 2.1. Is> 10% of the area within 150 ft on the uphill side of the wetland in land uses that generate pollutants? 0
DYes = 1 t2J No= 0
S 2.2. Are there other sources of pollutants coming into the wetland that are not listed in question S 2.1?
0
Other sources DYes-1 tzlNo-o
Total for S 2 Add the points in the boxes above 0
Rating of Landscape Potential If score is: 01-2 = M IZJO = L Record the rating on the first page
S 3.0. Is the water quality improvement provided by the site valuable to society?
S 3.1. Does the wetland discharge directly (i.e., within 1 mi) to a stream, river, lake, or marine water that is on the 0 303(d) list? DYes = 1 tzlNo=O
S 3.2. Is the wetland in a basin or sub-basin where water quality is an issue? At least one aquatic resource in the basin is 1 on the 303(d) list. tzlYes = 1 D No =O
S 3.3. Has the site been identified in a watershed or local plan as important for maintaining water quality? Answer YES 0 if there is a TMDLfor the basin in which unitisfound. DYes = 2 tzlNo=O
Total for S 3 Add the points in the boxes above 1
RatingofValue lfscoreis: D2-4=H tzll=M DO=L Record the rating on the first page
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
11
Wetland name or number: Wetland A
"QPf W£TlANQS . · 1'ullctions -Indicators that the site functions to reduce floodl= and stream erosion
S 4.0. Does the site have the potential to reduce flooding and stream erosion?
5 4.1. Characteristics of plants that reduce the velocity of surface flows during storms: Choose the points appropriate
for the description that best fits conditions in the wetland. Stems of plants should be thick enough (usuo/Jy >1/88
in}, or dense enough, to remain erect during surface flows. 0
D Dense, uncut, rigid plants cover> 90% of the area of the wetland points= 1
0 All other conditions ooints = 0
Rating of Site Potential If score is: D 1 = M 00 = L Record the rating on the first page
S 5.0. Does the landscape have the potential to support the hydro logic functions of the site?
S 5.1. Is more than 25% of the area within 150 ft upslope of wetland in land uses or cover that generate excess surface I
runoff? DYes = 1 0 No= 0 0
Rating oflandscape Potential If score is: D 1 = M 00 = L Record the rating on the first page
S 6.0. Are the hydro logic functions provided by the site valuable to society?
S 6.1. Distance to the nearest areas downstream that have flooding problems:
0 The sub-basin immediately down-gradient of site has flooding problems that result in damage to human or
natural resources (e.g., houses or salmon redds) points= 2 2
D Surface flooding problems are in a sub-basin farther down-gradient points= 1
D No flooding problems anywhere downstream points= 0
S 6.2. Has the site been identified as important for flood storage or flood conveyance in a regional flood control plan? 0
DYes = 2 0 No=O
Total for S 6 Add the points in the boxes above 2
Rating of Value If score is: 02-4= H 01 = M Do= L Record the rating on the first page
NOTES and FIELD OBSERVATIONS:
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
12
Wetland name or number: Wetland A
These questions apply to wetlands of all HG M 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
Coward in plant classes in the wetland. Up to 10 patches may be combined for each class to meet the threshold
of U ac or more than 10% of the unit if it is smaller than 2.5 ac. Add the number of structures checked.
D Aquatic bed 4 structures or more: points= 4
D Emergent 3 structures: points= 2
ISi Scrub-shrub (areas where shrubs have> 30% cover) 2 structures: points= 1
121 Forested (areas where trees have> 30% cover) 1 structure: points= 0
If the unit has a Forested class, check if:
0 The Forested class has 3 out of 5 strata (canopy, sub-canopy, shrubs, herbaceous, moss/ground-cover)
that each cover 20% within the Forested polygon
H 1.2. Hydroperiods
Check the types of water regimes (hydroperiods) present within the wetland. The water regime has to cover
more than 10% of the wetland or% ac to count (see text for descriptions of hydroperiods).
D Permanently flooded or inundated 4 or more types present: points= 3
D Seasonally flooded or inundated (due to undersized culvert and sheetflow) 3 types present: points= 2
0 Occasionally flooded or inundated
0 Saturated only
D Permanently flowing stream or river in, or adjacent to, the wetland (<10%)
D Seasonally flowing stream in, or adjacent to, the wetland
D Lake Fringe wetland
D Freshwater tidal wetland
H 1.3. Richness of plant species
Count the number of plant species in the wetland that cover at least 10 ft 2
.
2 types present: points= 1
1 type present: points= 0
2 points
2 points
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 mil/oil, reed canarygrass, purple /oosestrife, Canadian thistle
If you counted: l:8J > 19 species
D 5 -19 species
D < 5 species
H 1.4. Interspersion of habitats
points= 2
points= 1
points= O
Decide from the diagrams below whether interspersion among Coward in plants classes {described in H 1.l)i 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.
C)
D None= 0 points
All three diagrams in
this row are
D HIGH= 3points
0
D Low= 1 point
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
0 Mode~r:!!a~t ~.._.=· (l!t~s~
13
2
1
2
2
Wetland name or number Wetland A
H 1.5. Special habitat features:
Check the habitat features that are present in the wetland. The number of checks is the number of points.
l1<J Large, downed, woody debris within the wetland(> 4 in diameter and 6 ft long).
l1<J Standing snags (dbh > 4 in) within the wetland.
0 Undercut banks are present for at least 6.6 ft (2 m) AND/OR overhanging plants extends at least 3.3 ft (1 m)
over a stream (or ditch) in, or contiguous with the wetland, for at least 33 ft (10 m).
0 Stable steep banks of fine material that might be used by beaver or muskrat for denning (> 30 degree 2 slope) OR signs of recent beaver activity are present /cut shrubs or trees that have not yet weathered
where wood is exposed).
0 At least };i ac of thin-stemmed persistent plants or woody branches are present in areas that are
permanently or seasonally inundated (structures for egg-laying by amphibians).
0 Invasive plants cover less than 25% of the wetland area in every stratum of plants (see H 1.lfor list of
strata).
Total for H 1 Add the points in the boxes above 9
RatingofSitePotential If score is: 015-lB=H 07-14=M 00-6=L Record the rating on the first page
H 2.0. Does the landscape have the potential to support the habitat functions of the site?
H 2.1. Accessible habitat (include only habitat that directly abuts wetland unit).
Calculate: % undisturbed habitat+ [(%moderate and low intensity land uses)/2) = 18.6% + (0%/2) = 18.6%
If total accessible habitat is:
0 > 1/3 (33.3%) of 1 km Polygon points= 3 1
0 20-33% of 1 km Polygon points= 2
l1<J 10-19% of 1 km Polygon points= 1
0 < 10% of 1 km Polygon points= 0
H 2.2. Undisturbed habitat in 1 km Polygon around the wetland.
Calculate: % undisturbed habitat+ [(%moderate and low intensity land uses)/2 = 25% + (14%/2) = 32%
0 Undisturbed habitat> 50% of Polygon points= 3
1
0 Undisturbed habitat 10-50% and in 1-3 patches points= 2
0 Undisturbed habitat 10-50% and> 3 patches points= 1
0 Undisturbed habitat< 10% of 1 km Polygon points= 0
H 2.3. Land use intensity in 1 km Polygon: If
D > 50% of 1 km Polygon is high intensity land use points= (-2) 0
0 $ 50% of 1 km Pol"oon is hieh intensitv points -O
Total for H 2 Add the points in the boxes above 2
Rating of Landscape Potential If score is: 04-6 = H l1<J 1-3 = M 0< 1 = L Record the rating on the first page
H 3.0. Is the habitat provided by the site valuable to society?
H 3.1. Does the site provide habitat for species valued in laws, regulations, or policies? Choose only the highest score
that applies to the wetland being rated.
Site meets ANY of the following criteria: points= 2
0 It has 3 or more priority habitats within 100 m (see next page)
0 It provides habitat for Threatened or Endangered species (any plant or animal on the state or federal lists)
0 It is mapped as a location for an individual WDFW priority species 1
0 It is a Wetland of High Conservation Value as determined by the Department of Natural Resources
0 It 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
0 Site has 1 or 2 priority habitats (listed on next page) within 100 m points= 1
0 Site does not meet any of the criteria above points= 0
RatingofValue If score is: 02=H 11'll=M OO=L
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January l, 2015
Record the rating on the first page
14
Wetland name or number: Wetland A
WDFW Priority Habitats
Priority habitats listed by WDFW [see complete descriptions ofWDFW priority habitats, and the counties in which they can
be found, in: Washington Department offish and Wildlife. 2008. Priority Habitat and Species List. Olympia, Washington.
177 pp. http: //wdfw.wa.gov/publications/00165 /wdfw00165.pdf or access the list from here:
http://wdfw.wa.gov/conservation/phs/list/)
Count how many of the following priority habitats are within 330 ft (100 m) of the wetland unit: NOTE: This question is
independent of the land use between the wetland unit and the priority habitat
D Aspen Stands: Pure or mixed stands of aspen greater than 1 ac (0.4 ha].
[81 Biodiversity Areas and Corridors: Areas ofhabitatthat are relatively important to various species of native fish
and wildlife (full descriptions in WDFW PHS report).
D Herbaceons Balds: Variable size patches of grass and forbs on shallow soils over bedrock.
D 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 atleast8 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 oflarge downed material is generally
less than that found in old-growth; 80-200 years old west of the Cascade crest.
D 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).
D Riparian: The area adjacent to aquatic systems with flowing water that contains elements of both aquatic
and terrestrial ecosystems which mutually influence each other.
D Westside Prairies: Herbaceous, non-forested plant communities that can either take the form of a dry prairie or a
wet prairie (full descriptions in WDFW PHS report p. 161 -see web link above).
D Instream: The combination of physical, biological, and chemical processes and conditions that interact to
provide functional life history requirements for instream fish and wildlife resources.
D 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).
D Caves: A naturally occurring cavity, recess, void, or system of interconnected passages under the earth in soils,
rock, ice, or other geological formations and is large enough to contain a human.
D Cliffs: Greater than 25 ft (7.6 m] high and occurring below 5000 ft elevation.
D Talus: Homogenous areas of rock rubble ranging in average size 0.5 -6.5 ft (0.15 -2.0 m), composed of basalt,
andesite, and/or sedimentary rock, including riprap slides and mine tailings. May be associated with cliffs.
~ 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 by definition a priority habitat but are not included in this list because they are addressed
elsewhere.
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
15
Wetland name or number: Wetland A
CATEGORIZATION BASED ON SPECIAL CHARACTERISTICS
Wedancl Type
Check.n/lF,m., l"rlmfia tllet aop/y to the w.tla_ntl. Cln:/Jt tlle when the (1/-r/ote t:riterll1 (I/NI met.
SC 1.0. Estuarine wetlands
Does the wetland meet the following criteria for Estuarine wetlands?
D The dominant water regime is tidal,
D Vegetated, and
D With a salinitv ere at er than 0.5 nnt DYes-Go to SC 1.1 IZI 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?
DYes = Category I DNo -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?
D 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 Spartina, see page 25)
D At least% of the landward edge of the wetland has a 100 ft buffer of shrub, forest, or un-grazed or
un-mowed grassland.
D The wetland has at least two of the following features: tidal channels, depressions with open water,
or contiguous freshwater wetlands. DYes = Category I D No= Category II
SC 2.0. Wetlands of High 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? DYes-Go to SC 2.2 GlNo-Go to SC 2.3
SC 2.2. Is the wetland listed on the WDNR database as a Wetland of High Conservation Value?
DYes = Category I 0 No = Not a WHCV
SC 2.3. Is the wetland in a Section/Township/Range that contains a Natural Heritage wetland?
httQ://wwwl.dnr.wa.gov/nhQ/refdesk/datasearch/wnhQwetlands.Qdf
DYes-Contact WNHP/WDNR and go to SC 2.4 GlNo =NotaWHCV
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? DYes = Category I GJNo=NotaWHCV
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.
SC3.l. 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? 0Yes -Go to SC 3.3 GlNo-Go to SC 3.2
SC3.2. Does an area within the wetland unit have organic soils 1 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? 0Yes -Go to SC 3.3 GlNo = Is not a bog
SC3.3. 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? DYes =Isa Category I bog DNo -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?
Wetland Rating System for Western WA: 2014 Update
Rating Form-Effective January 1, 2015
DYes -Is a Cate20~ I bo2 DNo-ls not a bo2
16
ea_.,.
.
Cat. I
Cat. I
Cat. II
Cat. I
Cat. I
Wetland name or number: Wetland A
SC 4.0. Forested Wetlands
Does the wetland have at least 1 contiguous acre of forest that meets one of these criteria for the WA
Department of Fish and Wildlife's forests as priority habitats? I/ you answer YES you will still need to rate
the wetland based on its functions.
D 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.
D 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).
DYes • Category I 121 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?
D The wetland lies in a depression adjacent to marine waters that is wholly or partially separated
from marine waters by sandbanks, gravel banks1 shingle, or1 less frequently, rocks
D 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)
D Yes -Go to SC 5.1 f2l No = Not a wetland in a coastal lagoon
SC 5.1. Does the wetland meet all of the following three conditions?
D The wetland is relatively undisturbed (has no diking, ditching1 filling, cultivation, grazing)i and has
less than 20% cover of aggressive, opportunistic plant species (see list of species on p. 100).
D At least% of the landward edge of the wetland has a 100 ft buffer of shrub, forest, or un-grazed or
un-mowed grassland.
D The wetland is larger than 1/,o ac (4350 ft 2 )
DYes • Category I D No• Category II
SC 6.0. lnterdunal Wetlands
Is the wetland west of the 1889 line (also called the Western Boundary of Upland Ownership or WBU0)7 If
you answer yes you will still need to rate the wetland based on its habitat functions.
In practical terms that means the following geographic areas:
D Long Beach Peninsula: Lands west of SR 103
D Grayland-Westport: Lands west of SR 105
D Ocean Shores-Copalis: Lands west of SR 115 and SR 109
DYes-Go to SC 6.1 121 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 H1H1H or H1H1M
for the three aspects of function)? DYes • Category I D No -Go to SC 6.2
SC 6.2. Is the wetland 1 ac or larger, or is it in a mosaic of wetlands that is 1 ac or larger?
DYes • Category II D No -Go to SC 6.3
SC 6.3. Is the unit between 0.1 and 1 ac, or is it in a mosaic of wetlands that is between 0.1 and 1 ac?
Category of wetland based on Special Characteristics
If you answered No for all types, enter "Not Applicable" on Summary Form
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
DYes • Category Ill D Noc Category IV
17
Cat. I
Cat. I
Cat. II
Cati
Cat. II
Cat. Ill
Cat. IV
NA
Wetland name or number: Wetland A
This page left blank intentionally
Wetland Rating System for Western WA: 2014 Update
Rating Form -Effective January 1, 2015
18
Appendix [A] -ECY 2014 Wetland Rating Form:
Slope figures
Figure 1. Cowardin plant classes -H 1 .1, H 1.4
F ig ure 2. H ydroperiods a nd 150ft buffer -Hl.2, 52.1, S5 .1
Fi g ure 3 . Plant cover of dense and ri g id trees, shrubs, a nd he rb aceo us plants-51.3, S4.1
Fi g ure 4. Accessible a nd undis turbed habitat 1 km fro m we tland e d ge -H2.1 , H2.2, H2.3
Figure 5 . Sc reen -c apture of 303(d) li sted wat ers in bas in -S3.1, 53.2
Fi g ure 6. Screen-capture of TMDL list for WRIA 8 -53.3
Resources and Links:
C ity o f Renton maps
King County iMAP
Google Earth
ECY 303(d) li s t
TMDL li s t
1
Fi g ure 1. C o w ardin plant cl asses -Hl.l, Hl.4
Note: Bo und a ries d e pi ct e d m ay n o t b e to scale. Th ey a re
s k e tch es based on a v ailable data and b est professi onal
judg m e nt.
2
LEGEND
\[1 Palustrine forested
Q Palustrine scrub-shrub
Q Wetland boundary
Figure 2. H y drope rio ds and 150ft radi u s -H l.2, S2.l , S5.l
Note: Bo un daries d e pi cted m ay not be t o sca le. Th ey
a re s ke tch es b ased o n avai la bl e d a ta and bes t
profess iona l jud g m e nt
3
LEGEND
Q Perman e ntly flooded (<10%)
Q Occasiona ll y flooded
Q Saturated only
Q Approx . 150-foot radiu s
Figure 3. Plant cover of d en se and rig id trees, shrubs, and h e rbaceous plants-Sl.3, S4.1
Note: Boundaries d e picte d may not b e to scale. They are s ke tch es based on available d a ta and
best profession a l judgment.
LEGEND
Q Den se trees, shrubs and herbaceous vegetation
Q Dense and rigid trees, shrubs, and herbaceous vegetation
G Wetland boundary
4
Figure 4. Accessible and undis turbed habitat 1km from wetland edge -H2.l, H2.2, H2.3
Note: Boundaries d e picte d may not
b e to sca le . They are sketch es based
o n av a il able data and b es t
professional judg m e nt.
LEGEND
' Accessible and undisturbed habitat
Relatively undisturbed
Moderate/low intensity land use
Wetland units
G Approx. 1-km buffer
5
F ig ure 5 . Screen-capture of 303(d) lis ted waters in b asin -S3 .l, S3 .2
l r":.'-"·
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7
WETLAND
CATEGORY IV
50' BUFFER
EXISTING CONDITIONS
SCALE 1:10
EMERALD CREST
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PROJECT LOCATION ~
VICINITY MAPS ~
LEGEND
t, ~· :I WETLAND BOUNDARY, APPROX
---APPROXIMATE WETLAND BUFFER
~ AREA OF WETLAND FILL AND GRADING VIOLATION (3.147 SF)
AREA OF BUFFER IMPACT VIOLATION (565 SF)
SHEET INDEX
1 EXISTING CONDITIONS
2 TESC AND SITE PREPERATION PLAN
3 PLANTING AND RESTORATION PLAN
4 PLANT INSTALLATION DETAILS AND NOTES
5 RESTORATION NOTES
NOTES
1. CRITICAL AREAS DELINEATED BY THE
WATERSHED COMPANY ON AUGUST 8, 2016
2 NO SURVEY RECEIVED. BASEMAP
EXTRAPOLATED FROM AERIAL
PHOTOGRAPHY, FIELD MEASURED AND
TRIANGULATED FnOM KNOWN POINTS
PERMIT S:::T
fJ8T FOR
CONIRACICR
BIJ)1r-,::;
IC>Co~yng!il-Tha W•IO-Compani
[! THE
WATERSHED
C01\\r,\"Y
750 Sixth Street South
KirKland WA 98033
p 425.822.5242
1vww.watershedco com
Science & Design
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SHEET SIZE:
ORIGINAL PL.AN IS 22" X 34"
SCAU.c ACCORDINGLY
PROJECT MANAGER: RK I'
DESIGNED: KMB/LV ~
DRAFTED: LV
CHECKED: RK I MSF
JOB NUMBER:
160707
SHEET NUMBER· I
W1 OF 51 111
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\ EXISTING FEATURES
\ t:::::::::: I WETLAND BOUNDARY, APPROX
\ HOUSE APPROXIMATE WETLAND BUFFER
\ AREA OF WETLAND FILL VIOLATION
I AREA OF BUFFER IMPACT VIOLATION
I
WETLAND
CATEGORY IV
50' BUFFER
\
~;c;.j!--------->I\
\
TESC AND DEMOLITION LEGEND
SILT FENCE (240 LF)@
SILT CONTAINMENT FENCE
FABRIC: JOINTS IN FILTER
FABRIC SHALL BE SPLICED
AT POSTS. USE STAPLES,
WIRE RINGS, OR
EQUIVALENT TO ATTACH
FABRIC TO POSTS
CUT-AWAY
SHOWING
-STEEL "T" POST
OR 2'"x4"'
SILT FENCE MAINTENANCE STANDARDS·
1. ANY DAMAGE SHALL BE REPAIRED
IMMEDIATELY
\
2'"X2", 14 GAUGE
WIRE
MESH BACKING
WOOD POSTS,
OR EQUIVALENT 2. SEDIMENT SHALL BE REMOVED WHEN
ACCUMULATION EXCEEDS 6" IN DEPTH.
SILT FENCE FABRIC AND WIRE MESH BACKING
SHALL BE WIRED TO TOP, MIDDLE AND BOTTOM
OF POST
KEY SILT FENCE BOTTOM IN 4" X 4" MINIMUM
TRENCH BACKFILLED WITH NATIVE MATERIAL
TRENCH THE ENTIRE LENGTH OF THE FENCE WITH
NO BREAKS.
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ELEVATION SECTION
SILT FENCE
Scale: NTS
\
\
\
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HOU1E
1. DEPTH OF FILL TO BE REMOVED SHALL GO TO
DEPTH OF NATIVE SOIL OR DECOMPOSED
VEGETATION LAYER BELOW FILL LAYER.
RESTORATION PROFESSIONAL SHALL BE
ON-SITE FOR ALL THE REMOVAL ACTIVITIES
ANO ro Af-'1-'ROVE: f-lNAL GRADING
SOIL PREPARATION LEGEND
1. IN ALL AREAS, ENSURE INVASIVE PLANTS,
DEBRIS, FILL AND VIOLATION SOILS ARE
REMOVED. DEPTH OF FILL VARIES FROM 4"-24"
2. SPREAD WOOD CHIP MULCH EVENLY TO A
DEPTH OF 4" WITHIN THE IMPACTED BUFFER
AREA.
3 INSTALL PLANTS. SEE SHEET W3
~ PREVIOUS/PROPOSED GRADE /. --EXISTING GRADE WITH
_.;.::::, ...._. -FILL VIOLATION
-----~ --:--.-=---, --,. --:------• • ~ --: "":"' ~ .,...· ~--,~-·. · . · · "F1LL TOBE REMOVED -~ ~-;.... _---_ _ ~RIV~~AY
. -... , .. -:·~ """:" ""'."' ~·-:-·-:---:""" ---... "":"' ~ -, , , . ----·l. ' ' (
WETLAND. . __, _f"
I
0 GENERAL GRADING SECTION DETAIL sca1e. "'
::::::::RMI-SC::T
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WATERSHED
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750 Sixth Street South
Kirkland WA 98033
p 4)5.822 5242
'AM"N.watershedco com
Science & Design
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SHEET SIZE·
Or<IGINAL PLAN IS n"" x 34"
SCALE ACCORDINGLY. '
PROJECT MANAGER: RK I
DESIGNED: KMB / LV i
DRAFTED: LV
CHECKED: RK/MSF
JOB NUMBER·
TESC AND SITE PREPARATION PLAN ° ' 10 20
'
0
~ "'"'"'"Th"··-,-.,,1 w2 OF 5[l! SCALE 1:10
~CT 'O,
CON TR.~c-cR
BIDDING
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160707
SHEET NUMBER:
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PLANTING TYPICAL
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·. WETLAND
· CATEGORY IV
. ·: 50' BUFFER
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PLANT SCHEDULE
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TREES
OREGEON ASH/ FRAXINUS LATIFOLIA
SHRUBS
~
CORN US SER IC EA I REDTWIG DOGWOD
LONICERA INVOLUCRATA / TWINBERRY
PHYSOCARPUS CAPITATUS I PACIFIC NINEBARK
ROSA NUTKANA / NOOTKA ROSE
RUB US SPECTABILIS / SALMON BERRY
LIVE STAKES & GROUNDCOVER
-SALIX LASIANDRA / PACIFIC WILLOW
~ ATHYRIUM FILIX-FEMINA/LADY FERN
-SALIX SCOULERIANA I SCOULER'S WILLOW
HYDROSEED MIX
AMERICAN SLOUGHGRASS / BECKMANN IA SYZIGACHNE 45%
WESTERN MANNAGRASS / GL YCERIA OCCIDENT ALIS 45%
SPREADING RUSH/ JUNCUS PATENS 5%
SLOUGH SEDGE I CAREX OBNUPTA 5%
QTY SPACING
20 10' O.C.
55 4'0.C.
55 4'0.C.
55 4'0.C.
55 4·0.c.
55 4'0.C.
90 4·0.c.
90 4·0.c.
90 4'0.C.
3.5 LBS
45%
45%
5%
5%
.?J~
2 GAL.
1 GAL
1 GAL.
1 GAL.
1 GAL.
1 GAL.
3'MIN
4 IN'
3' MIN.
NOTE
ALL SHRUBS TO BE
FULL AND WELL
ROOTED
ONLY PLANT WITH IN
BUFFER IMPACT AREA
APPLY TO ENTIRE
PLANTING AREA
PLANTING AND RESTORATION PLAN 0 s· 10'
SCALE 1:10
IEGEND
EXISTING FEATURES
t·: .,....,,.. -:j WETLANDBOUNDARY,APPROX. (NOT SURVEYED)
APPROXIMATE WETLAND BUFFER
TESC AND DEMOLITION LEGEND
---Ao-SPLIT RAIL FENCE WITH CRITICAL AREA SIGN @
20'
-/-------8'-0"' MAX ------,/'-
-6"' x 6" ROUGH CUT. SPLIT. CEDAR
POST NOTCHED TO CONTAIN
AND CONCb\L RAIL CONNEC !"ION
2 X 6 ROUGH CUT SPLIT,
CEDAR RAILS
.,,-----CHAMFER TOP OF
1 //.J POSTS 45 DEGREES TO
~ ALll::PlliOF1"0NALL
FOUR SIDES
---=-ATTACH CITY.'COUNlY
~ ----Al'l"'ROVED PRE-PRINTED
METAL SIGN TO POST WI 111
TWO}" DIA. GALVANIZED
CARRIAGE B0L TS SEE PL.ANS
FOR SIGN I OCATIONS r tlNISHED GRADE
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WATERSH[l)
COMI'.\~ Y
750 Sixth Street South
Kirkland WA 98033
p 425.822.5242
www.watershedco.com
Science & Design
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SHEET SIZE:
ORIGINAL PL.AN IS 22" X :W
SCAL[ ACCORDINGLY
PROJECT MANAGER: RK
DESIGNED: KMB I LV
DRAFTED· LV
CHECKED: RKIMSF
JOB NUMBER·
160707
SHEET NUMBER: I
W3 OF5 'I' ~"
PLANT INSTALLATION SPECIFICATIONS
GENERAL NOTES
QUALITY ASSURANCE
1 PLANTS SHALL MEET OR EXCEED THE SPECIFICATIONS OF
FEDERAL, STATE, AND LOCAL LAWS REQUIRING INSPECTION FOR
PLANT DISEASE AND INSECT CONTROL
2. PLANTS SHALL BE HEALTHY, VIGOROUS, AND WELL-FORMED,
WITH WELL DEVELOPED, FIBROUS ROOT SYSTEMS, FREE FROM
DEAD BRANCHES OR ROOTS. PLANTS SHALL BE FREE FROM
DAMAGE CAUSED BY TEMPERATURE EXTREMES, LACK OR
EXCESS OF MOISTURE, INSECTS, DISEASE, AND MECHANICAL
INJURY. PLANTS IN LEAF SHALL BE WELL FOLIATED AND OF
GOOD COLOR PLANTS SHALL BE HABITUATED TO THE OUTDOOR
ENVIRONMENTAL CONDITIONS INTO WHICH THEY Will BE
PLANTED (HARDENED-OFF).
3. TREES WITH DAMAGED, CROOKED, MULTIPLE OR BROKEN
LEADERS WILL BE REJECTED. WOODY PLANTS WITH ABRASIONS
OF THE BARK OR SUN SCALD WILL BE REJECTED.
4. NOMENCLATURE: PLANT NAMES SHALL CONFORM TO FLORA OF
THE PACIFIC NORTHWEST BY HITCHCOCK AND CRONQUIST,
UNIVERSITY OF WASHINGTON PRESS, 1973 AND/OR TO A FIELD
GUIDE TO THE COMMON WETLAND PLANTS OF WESTERN
WASHINGTON & NORTHWESTERN OREGON, ED. SARAH SPEAR
COOKE, SEATILE AUDUBON SOCIETY, 1997.
DEFINITIONS
1. PLANTS/PLANT MATERIALS. PLANTS AND PLANT MATERIALS
SHALL INCLUDE ANY LIVE PLANT MATERIAL USED ON THE
PROJECT. THIS INCLUDES BUT IS NOT LIMITED TO CONTAINER
GROWN, B&B OR BARE ROOT PLANTS; LIVE STAKES AND
FASCINES (WATILES); TUBERS, CORMS. BULBS. ETC. ; SPRIGS,
PLUGS, AND LINERS.
2 CONTAINER GROWN. CONTAINER GROWN PLANTS ARE THOSE
WHOSE ROOTBALLS ARE ENCLOSED IN A POT OR BAG IN WHICH
THAT PLANT GREW
SUBSTITUTIONS
1. IT IS THE CONTRACTOR'S RESPONSIBILITY TO OBTAIN SPECIFIED
MATERIALS IN ADVANCE IF SPECIAL GROWING, MARKETING OR
OTHER ARRANGEMENTS MUST BE MADE IN ORDER TO SUPPLY
SPECIFIED MATERIALS
2. SUBSTITUTION OF PLANT MATERIALS NOT ON THE PROJECT LIST
WILL NOT BE PERMITIED UNLESS AUTHORIZED IN WRITING BY
THE RESTORATION CONSUL TANT.
3. IF PROOF IS SUBMITIED THAT ANY PLANT MATERIAL SPECIFIED IS
NOT OBTAINABLE, A PROPOSAL WILL BE CONSIDERED FOR USE
OF THE NEAREST EQUIVALENT SIZE OR ALTERNATIVE SPECIES.
WITH CORRESPONDING ADJUSTMENT OF CONTRACT PRICE.
4. SUCH PROOF WILL BE SUBSTANTIATED AND SUBMITIED IN
WRITING TO THE CONSUL TANT AT LEAST 30 DAYS PRIOR TO
START OF WORK UNDER THIS SECTION
INSPECTION
1 PLANTS SHALL BE SUBJECT TO INSPECTION AND APPROVAL BY
THE RESTORATION CONSUL TANT FOR CONFORMANCE TO
SPECIFICATIONS, l:IJHC:H AT TIME OF DELIVERY ON-SITE OR AT
THE GROWER'S NURSERY. APPROVAL OF PLANT MATERIALS AT
ANY TIME SHALL NOT IMPAIR THE SUBSEQUENT RIGHT OF
INSPECTION AND REJECTION DURING PROGRESS OF THE WORK.
2 PLANTS INSPECTED ON SITE AND REJECTED FOR NOT MEETING
SPECIFICATIONS MUST BE REMOVED IMMEDIATELY FROM SITE
OR RED-TAGGED AND REMOVED AS SOON AS POSSIBLE.
3. THE RESTORATION CONSUL TANT MAY ELECT TO INSPECT PLANT
MATERIALS AT THE PLACE OF GROWTH. AFTER INSPECTION AND
ACCEPTANCE, THE RESTORATION CONSULTANT MAY REQUIRE
THE INSPECTED PLANTS BE LABELED AND RESERVED FOR
PROJECT. SUBSTITUTION OF THESE PLANTS WITH OTHER
INDIVIDUALS, EVEN OF THE SAME SPECIES AND SIZE, IS
UNACCEPTABLE.
MEASUREMENT OF PLANTS
1 PLANTS SHALL CONFORM TO SIZES SPECIFIED UNLESS
SUBSTITUTIONS ARE MADE AS OUTLINED IN THIS CONTRACT
2. HEIGHT AND SPREAD DIMENSIONS SPECIFIED REFER TO MAIN
BODY OF PLANT AND NOT BRANCH OR ROOT TIP TO TIP. PLANT
DIMENSIONS SHALL BE MEASURED WHEN THEIR BRANCHES OR
ROOTS ARE IN THEIR NORMAL POSITION
3. WHERE A RANGE OF SIZE IS GIVEN, NO PLANT SHALL BE LESS
THAN THE MINIMUM SIZE AND AT LEAST 50% 01-lHE PLANTS
SHALL BE AS LARGE AS THE MEDIAN OF THE SIZE RA.NGE.
(EXAMPLE: IF THE SIZE RANGE IS 12" TO 18", AT LEAST 50% OF
PLANTS MUST BE 15" TALL.).
SUBMITIALS
PROPOSED PLANT SOURCES
1. WITHIN 45 DAYS AFTER AWARD OF THE CONTRACT, SUBMIT A
COMPLETE LIST OF PLANT MATERIALS PROPOSED TO BE
PROVIDED DEMONSTRATING CONFORMANCE WITH THE
REQUIREMENTS SPECIFIED. INCLUDE THE NAMES AND
ADDRESSES OF ALL GROWERS AND NURSERIES.
PRODUCT CERTIFICATES
1. PLANT MATERIALS LIST -SUBMIT DOCUMENTATION TO
CONSULTANT AT LEAST 30 DAYS PRIOR TO START OF WORK
UNDER THIS SECTION THAT PLANT MATERIALS HAVE BEEN
ORDERED. ARRANGE PROCEDURE FOR INSPECTION OF PLANT
MATERIAL WITH CONSULTANT AT TIME OF SUBMISSION.
2. HAVE COPIES OF VENDOR'S OR GROWERS' INVOICES OR
PACKING SLIPS FOR ALL PLANTS ON SITE DURING INSTALLATION.
INVOICE OR PACKING SLIP SHOULD LIST SPECIES BY SCIENTIFIC
NAME, QUANTITY, AND DATE DELIVERED (AND GENETIC ORIGIN IF
THAT INFORMATION WAS PREVIOUSLY REQUESTED)
DELIVERY, HANDLING, & STORAGE
NOTIFICATION
CONTRACTOR MUST NOTIFY CONSUL TANT 48 HOURS OR MORE IN
ADVANCE OF DELIVERIES SO THAT CONSUL TANT MAY ARRANGE FOR
INSPECTION.
PLANT MATERIALS
1. TRANSPORTATION -DURING SHIPPING, PLANTS SHALL BE
PACKED TO PROVIDE PROTECTION AGAINST CLIMATE EXTREMES.
BREAKAGE AND DRYING. PROPER VENTILATION AND
PREVENTION OF DAMAGE TO BARK, BRANCHES, AND ROOT
SYSTEMS MUST BE ENSURED
2 SCHEDULING AND STORAGE -PLANTS SHALL BE DELIVERED AS
CLOSE TO PLANTING AS POSSIBLE. PLANTS IN STORAGE MUST
BE PROTECTED AGAINST ANY CONDITION THAT IS DETRIMENTAL
TO THEIR CONTINUED HEAL TH AND VIGOR
3. HANDLING -PLANT MATERIALS SHALL NOT BE HANDLED BY THE
TRUNK, LIMBS, OR FOLIAGE BUT ONLY BY THE CONTAINER, BALL.
BOX, OR OTHER PROTECTIVE STRUCTURE, EXCEPT BAREROOT
PLANTS SHALL BE KEPT IN BUNDLES UNTIL PLANTING AND THEN
HANDLED CAREFULLY BY THE TRUNK OR STEM
4 LABELS -PLANTS SHALL HAVE DURABLE, LEGIBLE LABELS
STATING CORRECT SCIENTIFIC NAME AND SIZE. TEN PERCENT
OF CONTAINER GROWN PLANTS IN INDIVIDUAL POTS SHALL BE
LABELED. PLANTS SUPPLIED IN FLATS, RACKS, BOXES, BAGS, OR
BUNDLES SHALL HAVE ONE LABEL PER GROUP
WARRANTY
PLANT WARRANTY
PLANTS MUST BE GUARANTEED TO BE TRUE TO SCIENTIFIC NAME
AND SPECIFIED SIZE, AND TO BE HEAL THY AND CAPABLE OF
VIGOROUS GROWTH
REPLACEMENT
1. PLANTS NOT FOUND MEETING ALL OF THE REQUIRED
CONDITIONS AT THE CONSULTANTS DISCRETION MUST BE
REMOVED FROM SITE AND REPLACED IMMEDIATELY AT THE
CONTRACTOR'S EXPENSE.
2. PLANTS NOT SURVIVING AFTER ONE YEAR TO BE REPLACED AT
THE CONTRACTOR'S EXPENSE
PLANT MATERIAL
GENERAL
1 PLANTS SHALL BE NURSERY GROWN IN ACCORDANCE WITH
GOOD HORTICULTURAL PRACTICES UNDER CLIMATIC
CONDITIONS SIMILAR TO OR MORE SEVERE THAN THOSE OF THE
PROJECT SITE.
2. PLANTS SHALL BE TRUE TO SPECIES AND VARIETY OR
SUBSPECIES. NO CUL TIVAR$ OR NAMED VARIETIES SHALL BE
USED UNLESS SPECIFIED AS SUCH.
QUANTITIES
SEE PLANT LIST ON ACCOMPANYING PLANS AND PLANT SCHEDULES.
ROOT TREATMENT
CONTAINER GROWN PLANTS (INCLUDES PLUGS): PLANT ROOT
BALLS MUST HOLD TOGETHER WHEN THE PLANT IS REMOVED
FROM THE POT, EXCEPT THAT A SMALL AMOUNT OF LOOSE SOIL
MAY BE ON THE TOP OF THE ROOTBALL.
2 PLANTS MUST NOT BE ROOT-BOUND: THERE MUST BE NO
CIRCLING ROOTS PRESENT IN ANY PLAN r INSPECTED.
3. ROOTBALLS THAT HAVE CRACKED OR BROKEN WHEN REMOVED
FROM THE CONTAINER SHALL BE REJECTED.
PLANT INSTALLATION DETAILS AND NOTES
SCALE AS NOTED
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2X MIN DIA ROOTBALL
NOTES:
1. PLANTING PIT SHALL NOT BE LESS THAN (2)
TIMES THE WIDTH OF THE ROOT BALL DIA.
2. LOOSEN SIDES AND BOTIOMS OF PLANTING PIT
3 SOAK PLANTING PIT AFTER PLANTING
REMOVE FROM POT OR BURLAP & ROUGH-UP
ROOT BALL BEFORE INSTALLING. UNTANGLE
AND STRAIGHTEN CIRCLING ROOTS -PRUNE IF
NECESSARY. IF PLANT IS EXCEPTIONALLY
ROOT-BOUND, DO NOT PLANT AND RETURN TO
NURSERY FOR AN ACCEPTABLE ALTERNATIVE
SPECIFIED MULCH LAYER. HOLD BACK MULCH
FROM TRUNK/STEMS (MULCH LAYER ONLY IN
BUFFER IMPACT AREA)
FINISH GRADE
REMOVE DEBRIS AND LARGE ROCKS FROM PLANTING
PIT AND SCARIFY SIDES AND BASE. BACKFILL WITH
SPECIFIED SOIL. FIRM UP SOIL AROUND PLANT.
8 CONTAINER PLANTING seal" NTs
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0 LIVE STAKE PLANTING
IF VEGETATION EXISTS WITHIN
PLANTING AREA, SPACE AT f X
FROM STEM OF EXISTING
VEGETATION
AREA FOR SPACING ADJUSTMENT
NOTE:
FIRST PLACE PLANTS ALONG THE
PERIMETER OF THE PLANTING
AREA, AND AROUND EXISTING
I
. VEGETATION. THEN SPACE THE
REMAINDER OF THE PLANTINGS
x = PLANT SPACING
/fl= PLANT
mx
TAMP SOIL AROUND CUTIING,
ENSURE NO AIR POCKETS
FINISH GRADE
SOIL AMENDMENTS AS
SPECIFIED
FORM PILOT HOLE WI ROCK
BAR REBAR OR OTHER
PLANTING TOOL. DO NOT
HAMMER OR POU~
CUTIINGS UNLESS APPROVED
BY RESTORATION SPECIALIST
ANGLE CUT AT BASE
0 PLANT SPACING Seal" NTS
f1.
NOTES·
1.
2
3.
4.
5
6.
7
STAKES SHALL HAVE A MINIMUM
OF TWO LIVE BUDS EXPOSED
AROVE GROUND
INSTALL HARDWOOD CUTIINGS
DURING THEIR DORMANCY. DO
NOT ALLOW THEM TO DRY OUT.
CUTIINGS SHALL BE~" TO 1" IN
DIAMETER OR APPROVED
EQUIVALENT.
INSTALL TO MIN. 213ROS DEPTH
INTO SOIL. USE TRIANGULAR
SPACING. SEE PLANTING
SCHEDULE FOR SPACING
INSURE THAT BUDS ARE POINTING
UP.
FIRM UP SOIL AROUND INSTALLED
CUTIING.
WATER AFTER PLANTING AND
BEFORE MULCHING.
Scale: NTS
PFRl;li Sl':T
NCH fOR
CONTRACTOR
8 CCING
IC>Copyrlght· Tho w~"'""°" Comp.any
t! IHl
WATERSHFD
CO 1\.'I 11.,\t'.;Y
750 Sixth Street South
Kirkland WA 98033
p 425.822 5242
www watershedco com
Science & Design
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160707
WETLAND AND BUFFER RESTORATION SUMMARY
THIS PLAN PROPOSES TO RESTORE UNAUTHORIZED IMPACTS TO WETLAND (3,147 SF) AND BUFFER
AREAS (565 SF) TO THEIR PRE-DISTURBANCE CONDITIONS. STRUCTURAL AND FUNCTIONAL VALUES,
INCLUDING WATER QUALITY AND HABITAT FUNCTIONS. WILL BE RESTORED UNDER THIS RESTORATION
PLAN. UNAUTHORIZED CLEARING, EXCAVATION, AND FILL PLACEMENT IN WETLAND AND BUFFER AREAS
RE SUL TED IN A NOTICE OF VIOLATION FROM THE CITY OF RENTON. THE PROPOSED PLAN CALLS FOR
REMOVING FILL (ESTIMATED 4 TO 24 INCHES DEPTH) AND RESTORING THE WETLAND AND BUFFER TO
ITS ESTIMATED ORIGINAL GRADE SILT FENCING WILL BE PLACED AROUND THE WORK AREA TO
PREVENT SEDIMENTATION OF DOWNSTREAM WATER FEATURES, AND A SPLIT RAIL FENCE WILL BE
INSTALLED TO PREVENT ANTHROPOGENIC INTRUSIONS INTO THE WETLAND. THE WETLAND WILL BE
RESTORED BACK TO A SCRUB-SHRUB AND FORESTED WETLAND BY INSTALLING NATIVE TREES AND
WOODY SHRUBS, INCLUDING OREGON ASH, RED-OSIER DOGWOOD, TWINBERRY, PACIFIC NINEBARK,
SALMONBERRY, NOOTKA ROSE, WILLOWS (SITKA, PACIFIC AND SCOULER'S), LADY FERN AS
GROUNDCOVER, AND SPREADING A WETLAND HYDROSEED MIXTURE, CONSISTING OF AMERICAN
SLOUGHGRASS, WESTERN MANNAGRASS, SPREADING RUSH AND SLOUGH SEDGE. THIS VEGETATION
PLAN MIRRORS SPECIES FOUND WITHIN NON-DISTURBED PARTS OF THE WETLAND. A MAINTENANCE
AND MONITORING PLAN IS PROPOSED TO ENSURE THE PLANTS BECOME ESTABLISHED THE PROPOSED
RESTORATION PLAN WILL BE AN OVERALL FUNCTIONAL IMPROVEMENT OVER THE CURRENT DEGRADED
CONDITIONS. DEVELOPMENT OF THIS RESTORATION PLAN IS BASED UPON BEST AVAILABLE SCIENCE.
THIS IS A RESTORATION PLAN AND NOT A MITIGATION PLAN; THEREFORE, MITIGATION SEQUENCING
DOES NOT APPLY
RESTORATION GOALS
1 RE-ESTABLISH WETLAND CONDITIONS IN AREAS WHERE UNAUTHORIZED FILL HAS BEEN PLACED
a. REMOVE FILL MATERIALS TO REACH NATURAL GRADE
b. INSTALL NATIVE PLANT COMMUNITY SIMILAR TO THAT WHICH WAS PRESENT PRIOR TO
DISTURBANCE.
2. IMPROVE WATER QUALITY, HYDROLOGY, AND HABITAT FUNCTIONS OF ON-SITE WETLAND BUFFERS.
a. ESTABLISH DIVERSE MIXTURE OF NATIVE TREES AND SHRUBS IN WETLAND AND BUFFER
IMPACT AREAS AS SPECIFIED ON THE PLAN
b. MAINTAIN AND MONITOR FOR A PERIOD OF FIVE YEARS TO ENSURE PLANT ESTABLISHMENT.
PERFORMANCE STANDARDS
THE STANDARDS LISTED BELOW SHALL BE USED TO JUDGE THE SUCCESS OF THE PLAN OVER TIME
1. PLANT SURVIVAL·
a. ACHIEVE 100% SURVIVAL OF INSTALLED CONTAINER PLANTS AND 75% OF INSTALLED LIVE
STAKES BY THE END OF YEAR-1. THIS STANDARD CAN BE MET THROUGH PLANT
ESTABLISHMENT OR THROUGH REPLANTING AS NECESSARY TO ACHIEVE THE REQUIRED
NUMBERS.
b. ACHIEVE 80% SURVIVAL OF INSTALLED CONTAINER PLANTS AND 60% OF INSTALLED LIVE
STAKES BY THE END OF YEAR-2. THIS STANDARD CAN BE MET THROUGH PLANT
ESTABLISHMENT OR THROUGH REPLANTING AS NECESSARY TO ACHIEVE THE REQUIRED
NUMBERS. NATIVE VOLUNTEERS MAY COUNT TOWARDS THIS STANDARD.
2. NATIVE WOODY PLANT COVER:
a ACHIEVE 60% COVER OF NATIVE TREE. SHRUB, AND GROUNDCOVER SPECIES BY THE END OF
YEAR 3. THIS MAY INCLUDE EXISTING AND VOLUNTEER NATIVE UNDERSTORY PLANT SPECIES.
AT LEAST 50% OF AERIAL COVER MUST BE PROVIDED BY TREE AND SHRUB SPECIES.
b. ACHIEVE 80% COVER OF NATIVE TREE, SHRUB, AND GROUNDCOVER SPECIES BY THE END OF
YEAR 3. THIS MAY INCLUDE EXISTING AND VOLUNTEER NATIVE UNDERSTORY PLANT SPECIES
AT LEAST 70% OF AERIAL COVER MUST BE PROVIDED BY TREE AND SHRUB SPECIES
3. SPECIES DIVERSITY: ESTABLISH AT LEAST 1 NATIVE TREE SPECIES AND 4 NATIVE SHRUB SPECIES
BYYEAR-3.
4 INVASIVE COVER: NO MORE THAN 10% COVER BY INVASIVE WEED SPECIES IN THE RESTORATION
AREAS IN ANY MONITORING YEAR
MONITORING PLAN
THIS MONITORING PROGRAM IS DESIGNED TO TRACK THE SUCCESS OF THE RESTORATION SITE OVER
TIME AND TO MEASURE THE DEGREE TO WHICH IT IS MEETING THE PERFORMANCE STANDARDS
OUTLINED PREVIOUSLY.
AN AS-BUILT PLAN AND REPORT WILL BE PREPARED BY THE RESTORATION SPECIALIST PRIOR TO THE
BEGINNING OF THE MONITORING PERIOD. THE AS-BUil T PLAN SHALL BE A MARK-UP OF THE PLANTING
PLANS INCLUDED IN THIS PLAN SET. THE AS-BUILT REPORT WILL DOCUMENT ANY DEPARTURES IN
PLANT PLACEMENT OR OTHER COMPONENTS FROM THE PROPOSED PLAN.
DURING THE AS·BUIL T INSPECTION, THE RESTORATION SPECIALIST SHALL ESTABLISH PHOTO POINTS
AND INSTALL MONITORING TRANSECTS IN THE PLANTED AREA. APPROXIMATE TRANSECT AND PHOTO
POINT LOCATIONS SHALL BE MARKED ON THE AS-BUil T PLAN. DURING EACH MONITORING EVENT,
PERCENT COVER DATA SHALL BE RECORDED ALONG THE ESTABLISHED TRANSECTS USING THE
LINE-INTERCEPT METHOD. IF FURTHER DOCUMENTATION OF COVER IS REQUIRED, PLANTED AREAS
LOCATED OUTSIDE OF TRANSECTS MAY BE VISUALLY ASSESSED USING THE COVER CLASS METHOD.
MONITORING FOR THE FIRST YEAR WILL TAKE PLACE QUARTERLY: A REPORT SHOULD BE SUBMITTED
AFTER EACH VISIT. STARTING IN THE SECOND YEAR, MONITORING SHOULD TAKE PLACE TWICE
ANNUALLY FOR FIVE YEARS WITH ONE ANNUAL REPORT SUBMISSION. FOR MONITORING YEARS 2 -5,
THERE SHALL BE A SPRING AND A LATE SUMMER/FALL VISIT. FIRST-YEAR MONITORING SHOULD
COMMENCE IN THE FIRST SUMMER OR FALL SUBSEQUENT TO INSTALLATION.
THE SPRING MONITORING VISIT WILL RECORD MAINTENANCE NEEDS SUCH AS PLANT REPLACEMENT
AND WEEDING NEEDS. FOLLOWING THE SPRING VISIT THE RESTORATION SPECIALIST WILL NOTIFY THE
OWNER AND/OR MAINTENANCE CREWS OF NECESSARY EARLY GROWING SEASON MAINTENANCE. THE
SECOND ANNUAL MONITORING VISIT WILL CONTAIN THE BULK OF THE SITE ASSESSMENT AND WILL
TAKE PLACE IN THE LATE SUMMER OR EARLY FALL. THE LATE-SEASON FORMAL MONITORING VISIT
SHALL RECORD AND REPORT THE FOLLOWING IN AN ANNUAL REPORT SUBMITTED TO THE CITY OF
RENTON.
RESTORATION NOTES
SCALE AS NOTED
1. GENERAL SUMMARY OF THE SPRING VISIT.
2. COUNTS OF LIVE TREES, SHRUBS, AND GROUNDCOVER BY SPECIES IN THE PLANTED AREAS IN
YEARS 1 AND 2. SIGNIFICANT DIE-OFF SHOULD BE REPORTED BY SPECIES AND QUANTITY IN ANY
MONITORING YEAR
3. ESTIMATE OF NATIVE TREE, SHRUB, AND GROUNDCOVER AERIAL COVERAGE.
4. ESTIMATE OF INVASIVE AERIAL COVERAGE.
5. PHOTOGRAPHIC DOCUMENTATION FROM FIXED REFERENCE POINTS IN EACH Pl.ANTING AREA
6. INTRUSIONS INTO THE PLANTING AREAS, VANDALISM OR OTHER ACTIONS THAT IMPAIR THE
INTENDED FUNCTIONS OF THE PLANTED AREAS.
7. RECOMMENDATIONS FOR MAINTENANCE OR REPAIR OF ANY PORTION OF THE RESTORATION
AREA.
CONSTRUCTION NOTES
THE RESTORATION SPECIALIST SHALL MONITOR:
1. ALL SITE PREPARATION, INCLUDING INVASIVE SPECIES MANAGEMENT.
2. ALL GRADING ACTIVITIES
3. PLANT MATERIAL INSPECTION
a. PLANT MATERIAL DELIVERY AND SALVAGED PLANT INSPECTION
b. 100% PLANT INSTALLATION INSPECTION.
GENERAL WORK SEQUENCE
1. INSTALL TEMPORARY EROSION CONTROL MEASURES PER THE RESTORATION SHEET SET (W2).
2. REMOVE ALL FILL MATERIALS, INCLUDING BUT NOT LIMITED TO GRAVEL FILL, DRAINPIPE, TARPS,
AND ASPHALT OUT OF WETLAND. THE RESTORATION SPECIALIST SHALL BE PRESENT DURING ALL
GRADING ACTIVITIES AND WILL DETERMINE THE FINISHED GRADE ELEVATIONS ONCE NATIVE
SOILSNEGETATION HAVE BEEN EXPOSED.
3. WITHIN THE BUFFER RESTORATION AREA ONLY, SPREAD A FOUR-INCH LAYER OF WOODCHIP
MULCH ACROSS THE ENTIRE BUFFER PLANTING AREA. (NOTE: AT THIS POINT, THE SITE CAN REST
IN THIS STATE FOR AN EXTENDED TIME PERIOD TO ALLOW FOR PLANTING DURING THE DORMANT
SEASON}
4. PREPARE A PLANTING PIT FOR EACH PLANT AND INSTALL PER PLANTING DETAILS. SEE
RESTORATION PLAN SHEET W4.
a. PLANT INSTALLATION SHOULD TAKE PLACE DURING THE DORMANT SEASON (OCTOBER 15TH -
MARCH 1ST). FOR BEST SURVIVAL.
b. IN BUFFER PLANTING AREA PULL MULCH BACK FROM STEMS TO PREVENT ROT.
5. DURING INSTALLATION, WATER EACH PLANT SUCH THAT NO POCKETS OF DRY SOIL REMAIN IN THE
PLANTING PIT.
6. INSTALL SPLIT RAIL FENCE PER RESTORATION PLAN SHEET (W3)
7. IRRIGATE ALL PLANTS DURING THE DRY SEASON (JUNE 1 TO SEPTEMBER 30) SO THAT ALL
PLANTING AREAS RECEIVE ONE INCH OF WATER PER WEEK. THIS CAN BE DONE BY A TEMPORARY
IRRIGATION SYSTEM, WATER TRUCK, OR BY HAND-WATERING.
MATERIAL SPECIFICATIONS AND DEFINITIONS
1 WOODCHIP MULCH: WOOD CHIPS OR EQUIVALENT (CHIPPED WOODY MATERIAL) APPROXIMATELY 1
INCH MINIMUM TO 3 INCHES IN MAXIMUM DIMENSION (NOT SAWDUST OR COARSE HOG FUEL)
PACIFIC TOPSOIL SELLS SUITABLE WOODCHIP MULCH CALLED "DOT WOODCHIP MULCH" AT MANY
OF THEIR LOCATIONS. PACIFIC TOPSOIL: (800) 884-7645. MULCH SHALL NOT CONTAIN APPRECIABLE
QUANTITIES OF GARBAGE, PLASTIC, METAL, SOIL, AND DIMENSIONAL LUMBER OR CONSTRUCTION/
DEMOLITION DEBRIS NOTE: ARBORISTWOODCHIPS GENERALLY CONTAIN WEED SEEDS AND ARE
NOT AN ACCEPTABLE ALTERNATIVE.
2. HYDROSEED MIX: PRO TIME 406 NATIVE MIX FOR WET AREAS FROM PRO TIME LAWN SEED (503)-
239-7518. APPLICATION RATE: 1 LB PER 1000 SQUARE FEET CONSISTING OF:
• AMERICAN SLOUGHGRASS, BECKMANN IA SYZIGACHNE 45%
• WESTERN MANNAGRASS, GL YCERIA OCCIDENT ALIS 45%
• SPREADING RUSH, JUNCUS PATENS 5%
• SLOUGH SEDGE, CAREX OBNUPTA 5%
3. RESTORATION SPECIALIST: THE WATERSHED COMPANY [425-822-5242] PERSONNEL OR OTHER
PERSON QUALIFIED TO EVALUATE ENVIRONMENTAL RESTORATION PROJECTS.
MAINTENANCE PLAN
THE SITE WILL BE MAINTAINED FOR FIVE YEARS FOLLOWING ACCEPTANCE OF THE AS-BUILT
CONDITIONS.
1. REPLACE EACH PLANT FOUND DEAD IN THE YEAR-1 MONITORING VISITS DURING THE UPCOMING
FALL DORMANT SEASON (OCTOBER 15TH TO MARCH 1ST) ORAS DIRECTED BY THE RESTORATION
SPECIALIST.
2. FOLLOW THE RECOMMENDATIONS NOTED IN THE SPRING MONITORING SITE VISIT.
3. INVASIVE SPECIES CONTROL: MANAGE NOTED INVASIVE SPECIES (HIMALAYAN BLACKBERRY,
ENGLISH IVY, YELLOW ARCHANGEL, AND REED CANARYGRASSJ THHOUGHOUT THE PLANTING AREA
USING MECHANICAL AND CHEMICAL CONTROL TECHNIQUES DESCRIBED PREVIOUSLY.
4. GENERAL WEEDING FOR ALL PLANTED AREAS:
a. AT LEAST TWICE-YEARLY, REMOVE ALL COMPETING WEEDS AND WEED ROOTS FROM BENEATH
EACH INSTALLED PLANT TO A DISTANCE OF 18 INCHES FROM THE MAIN PLANT STEM.
b. MORE FREQUENT WEEDING MAY BE NECESSARY DEPENDING ON WEED CONDITIONS THAT
DEVELOP AFTER PLAN INSTALLATION
c. DO NOT WEED THE AREA NEAR THE PLANT BASES WITH STRING TRIMMER (WEED
WHACKER/WEED EATER). NATIVE PLANTS ARE EASILY DAMAGED OR KILLED, AND WEEDS
EASILY RECOVER AFTER TRIMMING.
5 WITHIN THE WETLAND BUFFER ONLY, MULCH THE WEEDED AREAS BENEATH EACH PLANT WITH
WOODCHIP MULCH AS NECESSARY TO MAINTAIN A4-INCH THICK MULCH RING AND KEEP DOWN
WEEDS.
6. DURING EXCEPTIONALLY DRY PERIODS, INSTALLED VEGETATION SHOULD BE WATERED AS
NECESSARY USING A WATER TRUCK OR OTHER APPROVED METHOD.
CONTINGENCIES
IF THERE IS A SIGNIFICANT PROBLEM WITH THE RESTORATION AREA MEETING PERFORMANCE
STANDARDS. THE RESTORATION SPECIALIST MAY DEVELOP A CONTINGENCY PLAN. IF REQUIRED A
CONTINGENCY PLAN WILL BE SPECIFICALLY TAILORED TO CORRECTING KEY PROJECT FAILINGS.
CONTINGENCY PLANS CAN INCLUDE, BUT ARE NOT LIMITED TO, ADDITIONAL GRADING, SOIL
AMENDMENTS, ADDITIONAL PLANT INSTALLATIONS, AND PLANT SUBSTITUTIONS OF SIZE QUANTITY,
DENSITY AND/OR LOCATION
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DESIGNED: KMBILV ~ i
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JOB NUMBER
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SHEET NUMBER·
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w uepartment u1 r-errmlUng Critical Areas Mitigation C24 09/09/2015
Environmental Review Bond Quantity Worksheet ls-wks-sensareaBQ.xls
35030 SE Douglas Str, Suite 210 ls-wks-sensareaBQ.pdf
King County, Snoqualmie, WA 98065-9266
206-291>-6600 TTY Relay: 711
Project Name: Emerald Crest HOA Date:11/14/2016 Prepared by: The Watershed Company
Project Number: 160707 Project Description: Wetland Restoration Plan
Location: Renton, Washington Applicant: Emerald Crest HOA Phone: 206-508-6650 ext. 3604
PLANT MATERIALS (Includes labor cost tor
plant Installation) •
Type Unit Price Unit Quantity Description Cost
PLANTS: Potted, 4" diameter, medium $5.00 Each 90.00 $ 450.00
PLANTS: Container, 1 gallon, medium soil $11.50 Each 275.00 $ 3,162.50
PLANTS: Container, 2 gallon, medium soil $20.00 Each 20.00 $ 400.00
PLANTS: Container, 5 gallon, medium soil $36.00 Each 0.00 $ -
PLANTS: Seeding, by hand $0.50 SY 1166.00 $ 583.00
PLANTS: Slips (willow, red-osier) $2.00 Each 0.00 $ -
PLANTS: Stakes (willow) $2.00 Each 180.00 $ 360.00
PLANTS: Stakes (willow) $2.00 Each 0.00 $ -
PLANTS: Flats/plugs $2.00 Each 0.00 $ -
TOTAL $ 4,955.50
INSTALLATION COSTS ( LABOR, EQUIPMENT, & OVERHEAD)
Type Unit Price Unit Cost
Compost, vegetable, delivered and spread $37.88 CY 0.00 $ -
Decompacting till/hardpan, medium, to 6k depth $1.57 CY 0.00 $ -
Decompacting till/hardpan, medium, to 12" depth $1.57 CY 150.00 Remove fill $ 235.50
Hydroseeding $0.51 SY 0.00 $ -
labor, aeneral (landscaping other than plant installation) $40.00 HR 3.00 Site Clean uo $ 120.00
Labor, general {construction) $40.00 HR $ -
Labor. Consultant, supervising $55.00 HR 12.00 CA $ 660.00
Labor. Consultant. on-site re-design $95.00 HR 0.00 $ -
Ref'ltal of decompacting machinery & operator $70.00 HR 8.00 $ 560.00
Sand, coarse builder's, delivered and spread $42.00 CY 0.00 $ -
Staking material (set per tree) $7.00 Each $ -
Surveying, line & grade $250.00 HR 0.00 $ -
Surveying, topagraphical $250.00 HR 0.00 $ -
Watering, 1' of water, 50' soaker hose $3.62 MSF 48.00 16 weeks in summer 3 vears $ 173.76
Irrigation • temporary $3,000.00 Acre 0.20 $ 600.00
Irrigation -buried $4,500.00 Acre 0.00 $ -
Tilling topsoil, dis~ harrow, 20hp tractor, 4'-6" deep $1.02 SY 0.00 $ -
TOTAL $ 2,349.26
HABITAT STRUCTURES*
ITEMS Unit Cost Unit Cost
Fascines (willow) $ 2.00 Each 0.00 $ -
Logs, (cedar), wl root wads, 16"-24" diam., 30' loog $1,000.00 Each 0.00 $ -
Logs (cedar) wlo root wad 9, 16"-24" diam., 30' $400.00 Each 0.00 $ -
Logs, w/o root wads, 16"-24' diam., 30' loog $245.00 Each 0.00 $ -
Logs w/ root wads, 16"-24" diam., 30' long $460.00 Each 0.00 $ -
Rocks, one-man $60.00 Each 0.00 $ -
Rocks, two-man $120.00 Each 0.00 $ -
Root wads $163.00 Each 0.00 $ -
Spawning gravel, type A $22.00 CY 0.00 $ -
Weir-log $1,500.00 Each 0.00 $ -
Weir-adjustable $2,000.00 Each 0.00 $ -
Woody debris, large $163.00 Each 0.00 $ -
Snags -anchored $400.00 Each 0.00 $ -
Snags -on site $50.00 Each 0.00 $ -
Snags • imported $800.00 Each 0 $ -
• All costs include delivery and installation !TOTAL $ .
EROSION CONTROL
ITEMS Unit Cost Unit Cost
Backfill and Compaction-embankment $ 4.89 CY 0.00 $ -
Crushed surfacing, 11/4" minus $30.00 CY 0.00 $ -
Ditching $7.03 CY 0.00 $ .
Excavation, bulk $4.00 CY 150.00 $ 600.00
Fence, silt $1.60 LF 240.00 $ 384.00
Jute Mesh $1.26 SY 0.00 $ -
Mulch, by hand, straw, 2· deep $1.27 SY 0.00 $ -
Mulch, by hand, wood chips, 2" deep $3.25 SY 0.00 $ -
Mulch, by machine, straw, 1" deep $0.32 SY 0.00 $ -
Piping, temporary, CPP, 6" $9.30 LF 0.00 $ -
Piping, temporary, CPP, a· $14.00 LF 0.00 $ -
Piping, temporary, CPP, 12" $18.00 LF 0.00 $ .
Plastic covering, 6mm thick, sandbagged $2.00 SY 0.00 $ -
Rip Rap, machine placed, slopes $33.98 CY 0.00 $ -
Rock Cons tr. Entrance 100'x15'x1' $3,000.00 Each 0.00 $ -
Rock Constr. Entrance 50'x15'x1' $1,500.00 Each 0.00 $ -
Sediment pond riser assemblv $1,695.11 Each 0.00 $ -
Sediment trap, 5' high berm $15.57 LF 0.00 $ -
Sediment trap, 5' high berm wlspiHway ind. riprap $59.60 LF 0.00 $ -
Sodding, 1• deep, level ground $5.24 SY 0.00 $ -
Sodding, 1" deep, sloped ground $6.48 SY 0.00 $ -
Straw bales, place and remove $600.00 TON 0.00 $ .
Hauling and disposal $20.00 CY 150.00 $ 3,000.00
Topsoil, delivered and spread $35.73 CY 0.00 $ -
TOTAL $ 3,964.00
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GENERAL ITEMS
ITEMS Unit Cost Unit Cost
Fencing, chain link, 6' high $18.89 LF 0.00 $ -
Fencing, chain link, comet posts $111.17 Each 0.00 $ -
Fencing, chain !ink, gate $277.63 Each 0.00 $ .
Fencing, split rail, 3' high (2-rail) $10.54 LF 115.00 $ 1,212.10
Fencing, temporary (NGPE) $1.20 LF 0.00 $ -
Signs, sensitive area boundary (inc. backing, post, install) $28.50 Each 3.00 $ 85.50
TOTAL $ 1,297.60
OTHER (Coi'lstruction Cost Subtotal) $ 12,586.36
Percentage
ITEMS of
Construction Unit Cost
Mobilization 10% 1 $ 1,258.64
Contingency 30% 1 $ 3,775.91
TOTAL $ 5,034.54
NOTE: Projects with multiple permlt requirements may be required to have
MAINTENANCE AND MONITORING longer monitoring and maintenance terms. This will be evaluated on a case-by-
case basis for development applications. Monitoring and maintance ranges may
be assessed anywhere from 5 to 10 years.
Maintenance, annual (by owner or consultant)
Less than 1,000 sq.ft. and buffer mitigation only (3 X SF total for 3 annual events;
$ 1.08 SF 0.00 Includes monitorino) $ .
Less than 1,000 sq.ft. with wetland or aquatic area (3 X SF total for 3 annual events;
mitioation $ 1.35 SF 0.00 Includes monitorinn' $ -
Larger than 1,000 sq. ft. but less than 5,000 sq.ft. of buffer
mitination $ 180.00 EACH 5.00 '4hr 11il$45/hr\ $ 900.00
Larger than 1,000 sq. ft. but less than 5,000 sq.ft. of
wetland or anuatic area mitination $ 270.00 EACH 0.00 '6hr @$45/hr) $ .
Larger than 5,000 sq.ft. but< 1 acre -buffer mitigation only $ 360.00 EACH 0.00 '8 hrs l1il 451hr) $ -
Larger than 5,000 sq.fl. but< 1 acre with wetland or aquatic
area mitioation $ 450.00 EACH 0.00 '10 hrs"" $45/hr\ $ -
Larger tha11 1 acre but < 5 acres -buffer and / or wetland or
aouatic area mitioation $ 1,600.00 DAY 0.00 'WECcrew) $ -
Larger than 5 acres· buffer and I or wetland or aquatic area
mitioation $ 2,000.00 DAY 0.00 '1.25 X WEC crew) $ -
Monitoring, annual (by owner or consultant)
Larger than 1,000 sq.ft. but less than 5,000wetland or
buffer mitioation $ 720.00 EACH 6.00 '8 hrs ® 90/hr\ $ 4,320.00
Larger than 5,000 sq.ft. but < 1 acre with wetland or aquatic
area imoacts $ 900.00 EACH 0.00 '10 hrs "" $90/hr\ $ .
Larger than 1 acre but < 5 acres -buffer and / or wetland or
aquatic area impacts $ 1,440.00 DAY 0.00 16 hrs I@ $90/hr\ $ .
Larger than5 acres -buffer and I or wetland or aquatic area
impacts $ 2,160.00 DAY 0.00 (24 hrs @ $90/hr) $ -
TOTAL $ 5,220.00
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Total $22,840.90
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WETLAND
CATEGORY IV
50' BUFFER
DELINEATION FIGURE
SCALE 1:10
EMERALD CREST
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VICINITY MAPS ~
LEGEND
[: ~ : : j WETLAND BOUNDARY, APPROX
---APPROXIMATE WETLAND BUFFER
~ AREA OF WETLAND FILL AND GRADING VIOLATION {3,147 SF)
AREA OF BUFFER IMPACT VIOLATION (565 SF)
SHEET INDEX
1 EXISTING CONDITIONS
2 TESC AND SITE PREPERATION PLAN
3 PLANTING AND RESTORATION PLAN
4 PLANT INSTALLATION DETAILS AND NOTES
5 RESTORATION NOTES
NOTES
CRITICAL AREAS DELINEATED BY THE
WATERSHED COMPANY ON AUGUST 8, 2016.
2. NO SURVEY RECEIVED. BASEMAP
EXTRAPOLATED FROM AERIAL
PHOTOGRAPHY. FIELD MEASURED AND
TRIANGULATED FROM KNOWN POINTS
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ORIGINAi f'I AN IS 22" x 34"
SCALI:: /\CCORDINGL Y
PROJECT MANAGER: RK 1~1
DESIGNED· KMB/LV ~
DRAFTED: LV
CHECKED: RK / MSF
JOB NUMBER
160707 1:11 , "
SHEET NUMBER: $G_
W1 OF 1 !)!
THE
·WATERSHED
CC)MPANY
Date: February 8, 2017
TRANSMITTAL
To: Alex Morganroth, City of Renton
Re: EMERALD CREST WETLAND AND BUFFER RESTORATION
We are sending you:
# Copies Description
5 Wetland and Buffer Restoration Plan
SCIENCE+ DESIGN
1 Reduced size (8 1/2 x 11) Wetland and Buffer Restoration Plan
12 Wetland Delineation Figure
5 Wetland Delineation Report
1 Original, notarized Land Use Permit Master Aoolication Form
11 Copies of Land Use Permit Master Aoolication Form
3 Critical Areas Exemption Form
1 CD with diciital copies of each submittal item
Via Mail l:8J Delivered D Via Email D For Pick Up D Via Fax D
Remarks:
Alex,
Enclosed are all of the required permit materials, except the revised waiver form. Please add
that form to the permit package.
Thank you,
Rvan Kahlo, PWS
Copy
to:
Angie Bringier
750 Sixth Street South I Kirkland, WA 98033
p425.822.5242 If 425.827.8136 watershedco.com
Signed:
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