HomeMy WebLinkAboutSHX2019-00031 Bulkhead Wings SEPA2019-00078 Biologic Eval 2019 - SHX Permit / Conditions - 1/31/2020 Mason County
Planning Division of Community Development
615 W.Alder St. Bldg.8
. "° Shelton,WA 98584
360427-9670 ext 352
www.co.mason.wa.us
SHX2019.00031 SHORELINE EXEMPTION
PROJECT DESCRIPTION:ADDITION OF 10'WING WALLS ON ENDS ISSUED: 01/31/2020
OF EXISTING BULKHEAD,TOTAL LENGTH 186.64'. EXISTING WALL IS EXPIRES: 01/31/2022
15.6 ABOVE GRADE,AT ITS HIGHEST. REPAIR BULKHEAD FOOTING.
AND FLOAT PILES. REMOVE 160 SF BOAT SLIP FLOAT AND
ASSOCIATED PILES, REDUCE PIER BY APPROX.40 SF, REPLACE 200
SF FLOAT WITH 160 SF FLOAT.OVERWATER REDUCTION OF 240 SF.
SITE ADDRESS: 61 N GULL PL HOODSPORT
PARCEL: 422056200051
APPLICANT: MERRITT,SCOTT E&KRISTIN L OWNER: SCOTT E&KRISTIN L MERRITT
410 214TH AVE SE 410 214TH AVE SE
SAMMAMISH,WA98074 SAMMAMISH,WA98074
206-214-6042
FEES: Paid Due
PLA-SHORELINE EXEMPTION $300.00
Totals: $300.00
1 hereby certify that I have read and examined this application and know the same to be true and correct.
All provisions of Laws and Ordinances governing this type of work will be compiled with whether
specified herein or not.The granting of a permit does not presume to give authority to violate or cancel
the provisions of any other state/local law regulating construction or the performance of construction.
Issued By:
Contractor or Authorized Agent: _ 246D Date:
Printed by:Marissa Watson on:01/31/2020 09:25 AM Page 1 of 1
----------------- --- - - ------------i
AGEN
USE
Date received:
Ra aY US Army Corps i
WASHINGTON STATE oc`Engttle oneers
istrict
Joint Aquatic Resources Permit Agency reference#:5 %`�l '�:► J�
: Tax Parcel#(s):
Application (JARPA) Form"
USE BLACK OR BLUE INK TO ENTER ANSWERS IN THE WHITE SPACES BELOW.
L______________________________________1
PLANNING
Part 1—Project Identification
1. Project Name (A name for your project that you create. Examples: Smith's Dock or Seabrook Lane Development) [ ]
Merritt Shoreline Bulkhead Wing-Walls replacement, Pier repair, and Float Replacement Project.
Part 2—Applicant
The person and/or organization responsible for the project. [ ]
2a. Name (Last, First, Middle)
Merritt, John & Kristin
2b. Organization (If applicable)
2c. Mailing Address (Street or PO Box)
410214thAveSE
2d. City, State, Zip
Sammamish, WA 98074
2e. Phone(1) 2f. Phone(2) 2 . Fax 2h. E-mail
Additional forms may be required for the following permits:
• If your project may qualify for Department of the Army authorization through a Regional General Permit(RGP),contact the U.S.Army Corps of
Engineers for application information(206)764-3495,
• If your project might affect species listed under the Endangered Species Act,you will need to fill out a Specific Project Information Form(SPIF)or
prepare a Biological Evaluation. Forms can be found at
• Not all cities and counties accept the JARPA for their local Shoreline permits.If you need a Shoreline permit,contact the appropriate city or county
government to make sure they accept the JARPA.
2To access an online JARPA form with[help]screens,go to
iit:a:rlwuvw.eperniittinQ.wa oovisite/alias resource-centerliarpa iarpa fonm19984/iarpa form aspx.
For other help,contact the Governor's Office of Regulatory Assistance at 1-800-917-0043 or'r_p@ora.wa.gov.
JARPA Revision 2012.1 Page 1 of 15
Part 3-Authorized Agent or Contact
Person authorized to represent the applicant about the project. (Note: Authorized agent(s) must sign 11 b of this
application.) [ ]
3a. Name (Last, First, Middle)
Valdeman, Caralyn
31b. Organization (If applicable)
Integrated Northwest Construction, Inc.
3c. Mailing Address (Street or PO Box)
60 N Lake Cushman Rd, Suite 109
3d. City, State, Zip
Hoodsport, WA 98584
3e. Phone(1) 3f. Phone(2) 3 . Fax 3h. E-mail
(253) 888-5314 (206) 319-4239 caralyn@integratednwconstruction.com
TM
Part 4-Property Owner(s)
Contact information for people or organizations owning the property(ies) where the project will occur. Consider both
upland and aquatic ownership because the upland owners may not own the adjacent aquatic land. [ ]
❑ Same as applicant. (Skip to Part 5.)
❑ Repair or maintenance activities on existing rights-of-way or easements. (Skip to Part 5.)
❑ There are multiple upland property owners. Complete the section below and fill out for
each additional property owner.
❑ Your project is on Department of Natural Resources (DNR)-managed aquatic lands. If you don't know,
contact the DNR at (360) 902-1100 to determine aquatic land ownership. If yes, complete
to apply for the Aquatic Use Authorization.
4a. Name (Last, First, Middle)
4b. Organization (if applicable)
Tacoma Power
4c. Mailing Address (Street or PO Box)
P.O. Box 11007
4d. City, State, Zip
Tacoma, WA 98411-0007
4e. Phone(1) 0. Phone(2) 4 Fax 41h. E-mail
JARPA Revision 2012.1 Page 2 of 15
Part 5—Project Location(s)
Identifying information about the property or properties where the project will occur. [ ]
❑ There are multiple project locations (e.g. linear projects). Complete the section below and use DARPA
for each additional project location.
5a. Indicate the type of ownership of the property. (Check all that apply.) [ ]
X ❑ Private
❑ Federal
❑ Publicly owned (state, county, city, special districts like schools, ports, etc.)
❑ Tribal
❑ Department of Natural Resources (DNR) —managed aquatic lands (Complete )
5b. Street Address (Cannot be a PO Box. If there is no address, provide other location information in 5p.) [ ]
61 N Gull Place
5c. City, State, Zip(If the project is not in a city or town, provide the name of the nearest city or town.) [ ]
Hoodsport, WA 98548
5d. County [ ]
Mason
5e. Provide the section, township, and range for the project location. [ ]
1/4 Section Section Township Range
05 22 N 4W
5f. Provide the latitude and longitude of the project location. [ ]
• Example:47.03922 N lat. /-122.89142 W long. (Use decimal degrees-NAD 83)
47.42445 N -123.22109 W
5g. List the tax parcel number(s) for the project location. [ ]
• The local county assessor's office can provide this information.
42205-52-00051
5h. Contact information for all adjoining property owners. (If you need more space, use ) [ ]
Name Mailing Address Tax Parcel #(if known)
LATHAM, STEPHEN J &AMY D 5648 179TH AVE SE 422055200951
__.._....................................
BELLEVUE WA 980065931 ..._.__.....
_...........................__....._............................._....._.........._............................. ..............
PETER J WHELAN ET AL, PO BOX 1259 422055200052
HOODSPORT WA 98548
............................................................................................................................................................................................................................................
JARPA Revision 2012.1 Page 3 of 15
5i. List all wetlands on or adjacent to the project location. [
5j. List all waterbodies (other than wetlands) on or adjacent to the project location.
Lake Cushman.
5k. Is any part of the project area within a 100-year floodplain? [
❑ Yes ❑ No ❑ Don't know
51. Briefly describe the vegetation and habitat conditions on the property. [
Site is moderately to heavily vegetated with native vegetation.
5m. Describe how the property is currently used. [
Residential/recreational.
5n. Describe how the adjacent properties are currently used. [
Residential/recreational.
5o. Describe the structures (above and below ground) on the property, including their purpose(s) and current
condition. [
There is a SFR, shoreline access stairs, a bulkhead, a pier, two floats, a ramp, and seven small
breakwaters at the site.
5p. Provide driving directions from the closest highway to the project location, and attach a map.
From Hoodsport, turn left on SR 119 and follow up the hill for about 3 miles. Turn left on North Standstill
Drive S. Road bears to the right, then turn left on N Gull Place and follow addresses to the site.
Part 6—Project Description
6a. Briefly summarize the overall project. You can provide more detail in 6b. [
The proposed action is the installation of two replacement wing-walls on each end of an existing
JARPA Revision 2012.1 Page 4 of 15
bulkhead, the replacement, repair, and removal of existing overwater structures, and the repair of
existing undercut concrete pile footings.
6b. Describe the purpose of the project and why you want or need to perform it. [
The bluff toe at the site exhibits erosion damage that is common to the Lake Cushman shoreline. There
are three primary causes of erosion and concomitant shoreline instability on Lake Cushman:
• The seasonal raising and lowering of Lake Cushman, a reservoir with two functioning dams.
• The lake's unique landscape features, including a steep, unnatural lakebed topography that
lacks a shallow foreshore to diminish wave energy generated by strong prevailing winds and
approx. eight miles of fetch.
• A steep terrestrial shoreline that receives an average of approx. 100 inches of rainfall per year.
The applicant's property is located on the east side of the lake and features moderately to heavily
vegetated steep slopes with an extremely steep lakebed shoreline.Line bulkhead currently lacks
adequate wing-walls (on both ends)that prevent the lake's waters from eroding landward of the
bulkhead❑Gabion baskets, plywood, and other lumber has been placed at both ends of the bulkhead to
alleviate the erosion to little avail. The lack of adequate wing-walls prevents the existing bulkhead from
abutting with the adjacent bulkhead to the north, which has resulted in severe erosion to the bluff toe.
This unbulkheaded area needs to be protected to prevent further bluff erosion that could result in a
large slide event that damages both bulkheads. Also, several of the bulkhead's existing concrete I-beam
pile footings and float pile footings were observed to be undercut by erosion and require repair.
Additionally, the applicants' overwater structures are in need of upgrading and downsizing to meet
current regulations regarding grating and size.
In conclusion, the project objective is to install wing-walls on the existing bulkhead section to protect
shoreline access and the existing residence and repair, replace, or remove existing overwater
structures, all-the-while avoiding or minimizing impacts to ESA-listed species and improving shoreline
habitat at the site.
6c. Indicate the project category. (Check all that apply) [
❑ Commercial x❑ Residential ❑ Institutional ❑ Transportation ❑ Recreational
❑ Maintenance ❑ Environmental Enhancement
6d. Indicate the major elements of your project. (Check all that apply) [ ]
❑ Aquaculture ❑ Culvert X❑ Float ❑ Retaining Wall
X❑ Bank Stabilization ❑ Dam /Weir ❑ Floating Home (upland)
❑ Boat House ❑ Dike/ Levee/Jetty ❑ Geotechnical Survey ❑ Road
❑ Boat Launch ❑ Ditch ❑ Land Clearing ❑ Scientific
Measurement Device
❑ Boat Lift X❑ Dock/ Pier ❑ Marina / Moorage
❑ Stairs
❑ Bridge ❑ Dredging ❑ Mining
❑ Stormwater facility
X❑ Bulkhead ❑ Fence ❑ Outfall Structure
JARPA Revision 2012.1 Page 5 of 15
❑ Buoy ❑ Ferry Terminal Piling/Dolphin ❑ Swimming Pool
❑ Channel Modification ❑ Fishway ❑ Raft ❑ Utility Line
❑ Other:
6e. Describe how you plan to construct each project element checked in 6d. Include specific construction
methods and equipment to be used. [ l
• Identify where each element will occur in relation to the nearest waterbody.
• Indicate which activities are within the 100-year floodplain.
As per the engineered design by Steve Morta (Attachments 2 & 3), two replacement, approx. ten-foot
(10')wing-walls will be installed at the north and south ends of the existing bulkhead. The wing-walls
will connect to the existing bulkhead and be angled approx. thirty (30) degrees into the bluff. The wing-
walls will be constructed of post and plank lumber at an approx. lakebed elevation that is the same and
landward of the existing bulkhead. The proposed wing-walls will be a maximum above grade height of
fourteen (14) feet or the same as the existing.
The wing-walls will be backed with geotextile fabric and riprap to a height of two feet(2'), then topped
with 7/8" minus gravel to the top of the bulkhead. Four-inch galvanized steel pipe will be encased in
concrete to form tie-back anchors that will be attached by steel cable to the wing-walls and buried
landward. The wing-walls will be constructed of eight by eight inch (8"x 8") Alaska yellow cedar posts,
three by twelve-inch (3" x 12") yellow cedar planks, and galvanized hardware. The post holes will be
approx. eighteen inches (18") wide and filled with concrete to a depth of six feet (6'). All concrete for the
bulkhead, pier, and float will be hand-mixed per engineered drawings and poured in place.
Additional projects associated with the bulkhead: Undercut concrete footings of existing steel I-beam
piles will be excavated and augmented with concrete. Gabion baskets at the north end of the bulkhead
and plywood and other lumber at the south end will be removed from the site with the rocks in the
baskets to be used as backfill. One-inch diameter holes may be drilled along the base of the existing
bulkhead to relieve hydrostatic pressure.
The following existing overwater structures will be removed from the site: the 160 sf boat slip float, the
36 sf ramp, the 200 sf float attached to the existing pier, and approx. 40 sf of the pier (at the north end).
The existing float positioning piles and cradle (of the 200 sf float)will remain in place. Four piles
associated with the boat slip float will be removed.
The existing pier will be reduced by 40 sf then re-decked and re-railed with Alaska yellow cedar. A three
(3') by twelve foot (12') aluminum ramp will connect the pier to the float. The existing floats will be
replaced by a single The pier and float repair/replacement will be
( L
JARPA Revision 2012.1 i�� �r Page 6 of 15
constructed of galvanized steel or aluminum hardware, and Alaska yellow cedar posts,joists, decking,
and trim. No pressure treated lumber will be used in this project. The decking of the pier and float will
have grating installed (a minimum fifty percent total with 60 percent light passage, as required by the
WDFW). The grating will be provided by ThruFlow decking panels, which are made of reinforced
polypropylene, contain no toxic preservatives, and are recyclable. The float will be fitted with
polyethylene encapsulated Styrofoam®float billets. The total overwater coverage at the site will be 360
sf, a reduction of 240 sf from the existing 600 square feet.
A circular saw and various hand t6ols will be used throughout the proposed project. Workers,
equipment, debris, and materials will be transported to the site either by boat or by cars or trucks. Geo-
textile fabric will be spread over the dry lakebed before commencement of project construction in order
to contain any manmade construction debris. At the completion of construction, the geo-textile fabric
will be removed from the shoreline at the site, along with all construction debris and other existing
manmade debris. All debris will be disposed of at a licensed landfill or other licensed disposal site. Any
rust inhibitor applied to existing steel piles will be brushed on, not sprayed.
Activities are within the 100-year flood plain. The nearest waterbody is Lake Cushman.
6f. What are the anticipated start and end dates for project construction? (MonthNear) [ I
• If the project will be constructed in phases or stages, use "?PA/Vt.-wh- ent D to list the start and end dates of each phase or
stage.
Start date: unknown End date: 30 days, after issuance of all required
permits. ❑ See JARPA Attachment D
6g. Fair market value of the project, including materials, labor, machine rentals, etc. [ )
Lh knoown. .I- le► I.0 ( b 0 0
6h. Will any portion of the project receive federal funding? [
• If yes, list each agency providing funds.
❑ Yes x❑ No ❑ Don't know
Part 7-Wetlands: Impacts and Mitigation
❑ Check here if there are wetlands or wetland buffers on or adjacent to the project area.
(if there are none, skip to Part 8.) [
7a. Describe how the project has been designed to avoid and minimize adverse impacts to wetlands. [
x❑ Not applicable
7b. Will the project impact wetlands? [
JARPA Revision 2012.1 Page 7 of 15
❑ Yes ❑ No ❑ Don't know
7c. Will the project impact wetland buffers? [
❑ Yes ❑ No ❑ Don't know
7d. Has a wetland delineation report been prepared? [
• If Yes, submit the report, including data sheets,with the JARPA package.
❑ Yes ❑ No
7e. Have the wetlands been rated using the Western Washington or Eastern Washington Wetland Rating
System? [
• If Yes, submit the wetland rating forms and figures with the JARPA package.
El Yes El No 0 Don't know
7f. Have you prepared a mitigation plan to compensate for any adverse impacts to wetlands? [
• If Yes, submit the plan with the JARPA package and answer 7g.
• If No,or Not applicable, explain below why a mitigation plan should not be required.
❑ Yes ❑ No ❑ Not applicable
7g. Summarize what the mitigation plan is meant to accomplish, and describe how a watershed approach was
used to design the plan. [
7h. Use the table below to list the type and rating of each wetland impacted, the extent and duration of the
impact, and the type and amount of mitigation proposed. Or if you are submitting a mitigation plan with a
similar table, you can state (below) where we can find this information in the plan. [
Activity (fill, Wetland Wetland Impact Duration Proposed Wetland
drain, excavate, Name' type and area (sq. of impact3 mitigation mitigation area
flood, etc.) rating ft. or type' (sq. ft. or
category' Acres) acres)
If no official name for the wetland exists,create a unique name(such as"Wetland 1"). The name should be consistent with other project documents,such
as a wetland delineation report.
2 Ecology wetland category based on current Western Washington or Eastern Washington Wetland Rating System.Provide the wetland
rating forms with the JARPA package.
3Indicate the days,months or years the wetland will be measurably impacted by the activity.Enter"permanent"if applicable.
4 Creation(C),Re-establishment/Rehabilitation(R),Enhancement(E), Preservation(P),Mitigation Bank/In-lieu fee(B)
Page number(s) for similar information in the mitigation plan, if available:
JARPA Revision 2012.1 Page 8 of 15
7i. For all filling activities identified in 7h, describe the source and nature of the fill material, the amount in cubic
yards that will be used, and how and where it will be placed into the wetland. [ _]
7j. For all excavating activities identified in 7h, describe the excavation method, type and amount of material in
cubic yards you will remove, and where the material will be disposed. [
Part 8—Waterbodies (other than wetlands): Impacts and Mitigation
In Part 8, "waterbodies" refers to non-wetland waterbodies. (See Part 7 for information related to wetlands.) [
❑ Check here if there are waterbodies on or adjacent to the project area. (If there are none, skip to Part 9.)
8a. Describe how the project is designed to avoid and minimize adverse impacts to the aquatic environment.
[ l
❑ Not applicable
The proposal will have minimal negative impacts on aquatic habitat or on any other uses of
the waterbody. BMPs shall be followed during construction to protect water quality at the
site. Please see the Merritt BE dated 3-26-19. As per that document, the following
conservation measures will be followed:
• No construction to occur unless Lake Cushman's waters are low.
• No pressure treated lumber will be used in this project.
• Overwater coverage at the site to be reduced by 240 square feet.
• Construction to take place as per the HPA provisions from the Washington Department of
Fish and Wildlife.
• The decking of the pier and float will have grating installed: a minimum fifty percent total with
60 percent light passage, as required by the WDFW.
• Native vegetation will be planted on the lower bluff where it is lacking.
• Previously discussed BMPs to be strictly adhered to.
DARPA Revision 2012.1 Page 9 of 15
8b. Will your project impact a waterbody or the area around a waterbody? [ ]
x❑ Yes ❑ No
8c. Have you prepared a mitigation plan to compensate for the project's adverse impacts to non-wetland
waterbodies? [ ]
• If Yes, submit the plan with the JARPA package and answer 8d.
• If No, or Not applicable,explain below why a mitigation plan should not be required.
X❑ Yes ❑ No ❑ Not applicable
Yes.
8d. Summarize what the mitigation plan is meant to accomplish. Describe how a watershed approach was
used to design the plan.
• If you already completed 7g you do not need to restate your answer here. [ ]
A watershed approach is an analytical process for making compensatory mitigation decisions that
support sustainability or improvement of aquatic resources in a watershed (33 CFR 332.2). This
generally involves large projects that impact wetlands. The proposed project will be mitigating impacts
with on-site mitigation. Conservation Measures were previously noted in this document.
8e. Summarize impact(s) to each waterbody in the table below. [ ]
Activity (clear, Waterbody Impact Duration Amount of material Area (sq. ft. or
dredge, fill, pile name' location of impact3 (cubic yards) to be linear ft.) of
drive, etc.) placed in or waterbody
removed from directly affected
waterbody
Lake Bluff toe Approx. Approx. 3 cu/yds Approx. 40 sf
Cushman and upper 30 days
littoral
zone
If no official name for the waterbody exists,create a unique name(such as"Stream 1")The name should be consistent with other documents provided.
2 Indicate whether the impact will occur in or adjacent to the waterbody. If adjacent,provide the distance between the impact and the waterbody and
indicate whether the impact will occur within the 100-year flood plain.
3Indicate the days,months or years the waterbody will be measurably impacted by the work. Enter"permanent"if applicable.
8f. For all activities identified in 8e, describe the source and nature of the fill material, amount (in cubic yards)
you will use, and how and where it will be placed into the waterbody. [ ]
JARPA Revision 2012.1 Page 10 of 15
Approx. 3 cu/yds of concrete will be placed below the lakebed grade to repair existing pile footings.
8g. For all excavating or dredging activities identified in 8e, describe the method for excavating or dredging,
type and amount of material you will remove, and where the material will be disposed. [
All excavating will be done by manual labor.
Part 9—Additional Information
Any additional information you can provide helps the reviewer(s) understand your project. Complete as much of
this section as you can. It is ok if you cannot answer a question.
9a. If you have already worked with any government agencies on this project, list them below. [ )
Agency Name Contact Name Phone Most Recent
Date of Contact
9b. Are any of the wetlands or waterbodies identified in Part 7 or Part 8 of this JARPA on the Washington
Department of Ecology's 303(d) List? [
• If Yes,list the parameter(s)below.
• If you don't know, use Washington Department of Ecology's Water Quality Assessment tools at:
❑ Yes X❑ No
9c. What U.S. Geological Survey Hydrological Unit Code (HUC) is the project in? [
• Go to to help identify the HUC.
17110018
9d. What Water Resource Inventory Area Number (WRIA#) is the project in? [ )
JARPA Revision 2012.1 Page 11 of 15
• Go to httiD://www.ecv.wa..gov/services/gis/maps/wria/wria.htj7 to find the WRIA#.
WRIA 16
9e. Will the in-water construction work comply with the State of Washington water quality standards for
turbidity? [
• Go to for the standards.
❑ Yes ❑ No X❑ Not applicable
9f. If the project is within the jurisdiction of the Shoreline Management Act, what is the local shoreline
environment designation? [
• If you don't know, contact the local planning department.
• For more information, go to:hqp 1-1www e.y,v a.gov/programs/sea/smallaws ruies/173_-26/211 desiig�ations.html.
❑ Rural ❑ Urban ❑ Natural ❑ Aquatic ❑ Conservancy X❑ Otherp �Fd, �
9g. What is the Washington Department of Natural Resources Water Type? [
• Go to oav_iBusinessPermits/Topics/ForestPractscesApplications/Pageslfp watertvping.as,4 for the Forest
Practices Water Typing System.
X❑ Shoreline ❑ Fish ❑ Non-Fish Perennial ❑ Non-Fish Seasonal
9h. Will this project be designed to meet the Washington Department of Ecology's most current stormwater
manual? [
• If No, provide the name of the manual your project is designed to meet.
X❑ Yes ❑ No
Name of manual: Stormwater Management Manual for Western Washington.
9i. Does the project site have known contaminated sediment? [
• If Yes, please describe below.
❑ Yes X ❑ No
9j. If you know what the property was used for in the past, describe below. [
It was a forest.
9k. Has a cultural resource (archaeological) survey been performed on the project area? [
• If Yes, attach it to your JARPA package.
❑ Yes X ❑ No
DARPA Revision 2012.1 Page 12 of 15
91. Name each species listed under the federal Endangered Species Act that occurs in the vicinity of the project
area or might be affected by the proposed work. [ )
The Chinook salmon, the bull trout, the Puget Sound steelhead, the marbled murrelet, the horned
lark, the yellow-billed cuckoo, and the spotted owl are the ESA listed aquatic threatened or
endangered species in the area.
9m. Name each species or habitat on the Washington Department of Fish and Wildlife's Priority Habitats and
Species List that might be affected by the proposed work. [ )
See above.
Part 10—SEPA Compliance and Permits
Use the resources and checklist below to identify the permits you are applying for.
• Online Project Questionnaire at '+1/apps ec�, ws qov/
• Governor's Office of Regulatory Assistance at (800) 917-0043 or
• For a list of addresses to send your JARPA to, click on
10a. Compliance with the State Environmental Policy Act (SEPA). (Check all that apply.) [ )
• For more information about SEPA, go to
❑ A copy of the SEPA determination or letter of exemption is included with this application.
2.A SEPA determination is pending with_Mason County (lead agency). The expected
decision date is
y❑ I am applying for a Fish Habitat Enhancement Exemption. (Check the box below in 10b.) [ )
-X�S- 9jeCt.-i.S.exempt (choose type of exemption below).
❑ Categorical Exemption. Under what section of the SEPA administrative code (WAC) is it exempt?
❑ Other:
10b. Indicate the permits you are applying for. (Check all that apply.) [ )
LOCAL GOVERNMENT
Local Government Shoreline permits:
❑ Substantial Development ❑ Conditional Use ❑ variance
X ❑ Shoreline Exemption Type (explain):
Other city/county permits:
❑ Floodplain Development Permit ❑ Critical Areas Ordinance
STATE GOVERNMENT
JARPA Revision 2012.1 Page 13 of 15
Washington Department of Fish and Wildlife:
X ❑ Hydraulic Project Approval (HPA) ❑ Fish Habitat Enhancement Exemption— .,tach Exemption Form
Effective July 10, 2012, you must submit a check for$150 to Washington Department of Fish and Wildlife,
unless your project qualifies for an exemption or alternative payment method below. Do not send cash.
Check the appropriate boxes:
❑ $150 check enclosed. (Check# )
Attach check made payable to Washington Department of Fish and Wildlife.
❑Charge to billing account under agreement with WDFW. (Agreement# )
❑ My project is exempt from the application fee. (Check appropriate exemption)
❑ HPA processing is conducted by applicant-funded WDFW staff.
(Agreement # )
❑ Mineral prospecting and mining.
❑ Project occurs on farm and agricultural land.
(Attach a copy of current land use classification recorded with the county auditor,or other proof of current land use.)
❑ Project is a modification of an existing HPA originally applied for, prior to July 10, 2012.
(HPA# )
Washington Department of Natural Resources:
❑ Aquatic Use Authorization
Complete and submit a check for$25 payable to the Washington Department of Natural Resources.
Do not send cash.
Washington Department of Ecology:
❑ Section 401 Water Quality Certification
FEDERAL GOVERNMENT
United States Department of the Army permits (U.S. Army Corps of Engineers):
X❑ Section 404 (discharges into waters of the U.S.) X❑ Section 10 (work in navigable waters)
United States Coast Guard permits:
❑ General Bridge Act Permit ❑ Private Aids to Navigation (for non-bridge projects)
❑ SEPA is pre-empted by federal law.
JARPA Revision 2012.1 Page 14 of 15
Part 11—Authorizing Signatures
Signatures are required before submitting the JARPA package. The DARPA package includes the JARPA form,
project plans, photos, etc. [ I
11 a. Applicant Signature (required) [ I
I certify that to the best of my knowledge and belief, the information provided in this application is true, complete,
and accurate. I also certify that I have the authority to carry out the proposed activities, and I agree to start work
only after I have received all necessary permits.
I hereby authorize the agent named in Part 3 of this application to act on my behalf in matters related to this
application. (initial;
By initialing here, I state that I have the authority to grant access to the property. I also give my consent to the
permitting agencies entering the property where the project is located to inspect the project site or any work
related to the project. (initial)
Applicant Printed Name Applicant Signature Date
11 b. Authorized Agent Signature [ I
1 certify that to the best of my knowledge and belief, the information provided in this application is true, complete,
and accurate. I also certify that I have the authority to carry out the proposed activities and I agree to start work
only after all necessary permits have been issued. ,.
Caralyn Valdeman �% 04/02/2019
Authorized Agent Printed Name Aut bnze Agent Signature Date
11 c. Property Owner Signature (if not applicant). [ I
Not required if project is on existing rights-of-way or easements.
I consent to the permitting agencies entering the property where the project is located to inspect the project site
or any work. These inspections shall occur at reasonable times and, if practical, with prior notice to the
landowner.
Property Owner Printed Name Property Owner Signature Date
18 U S G§1001 provides that:Whoever, in any manner within the jurisdiction of any department or agency of the United States knowingly
falsifies.conceals, or covers up by any trick, scheme, or device a material fact or makes any false, fictitious, or fraudulent statements or
representations or makes or uses any false writing or document knowing same to contain any false, fictitious, or fraudulent statement or
entry, shall be fined not more than$10,000 or imprisoned not more than 5 years or both.
If you require this document in another format, contact the Governor's Office of Regulatory Assistance(ORA)at(800)917-0043,
People with hearing loss can call 711 for Washington Relay Service. People with a speech disability can call(877)833-6341.
ORA publication number: ENV-019-09 revv06-12 _
DARPA Revision 2012.1 Page 15 of 15
a
STATE OF WASHINGTON
DEPARTMENT OF ECOLOGY
PO Box 47775 •Olympia, Washington 98504-7775 •(360)407-6300
711 for Washington Relay Service •Persons with a speech disability can call 877-833-6341
January 30, 2020
Marissa Watson, Planner I
Mason County
Department of Community Services
Planning Division
PO BOX 279
Shelton, WA 98584
Dear Marissa Watson:
Thank you for the opportunity to comment on the determination of nonsignificance for the
Merritt Shoreline Bulkhead Wing-Walls Replacement, Pier Repair, and Float Replacement
Project (SEP2019-00078, SHX2019-00031) located at 61 North Gull Pla e as proposed by
Integrated Northwest Construction, Inc. for John & Kristin Merritt. The epartment of Ecology
(Ecology)reviewed the environmental checklist and has the following c mment(s):
SOLID WASTE MANAGEMENT: Derek Rockett(360) 407-62817
The applicant proposes to remove a structure(s)that may contain treated wood. Please refer
to Ecology's publication "Focus on Treated Wood Exclusion," available at:
https://fortress.wa. og v/ec�/12ubIications/publications/0304038.pdf, for suggested best
management practices and disposal requirements for treated wood. All removed debris and
dredged material resulting from this project must be disposed of at an approved site. Contact
the local jurisdictional health department for proper management of these materials.
Ecology's comments are based upon information provided by the lead agency. As such, they
may not constitute an exhaustive list of the various authorizations that must be obtained or legal
requirements that must be fulfilled in order to carry out the proposed action.
If you have any questions or would like to respond to these comments, please contact the
appropriate reviewing staff listed above.
Department of Ecology
Southwest Regional Office
(GMP:202000257)
cc: Derek Rockett, SWM
Caralyn Valdeman, Integrated Northwest Construction, Inc. (Agent)
3628 South 35"Street
Tacoma,Washington 98409-3192
TACOMA POWER TACOMA PUBLIC UTILITIES
TACOMA PUBLIC UTILITIES
January 14, 2020 VIA EMAIL and USPS
John-Scott and Kristin Merritt
410 2141h Ave SE
Sammamish, WA 98074
SUBJECT: Merritt Reconfiguration and Removal on Tacoma
Power Property Adjacent to Lot 51 Division 19, Lake Cushman
Dear Mr. and Mrs. Merritt:
The City of Tacoma, Department of Public Utilities, Light Division (Tacoma Power)was recently
contacted to review reconfiguration and removal plans associated with shoreline structures
adjacent to your Lake Cushman development lot. Reviewed were your application and updated
engineering plans by Steven Morta dated December 26, 2019.
Tacoma Power will need copies of the required regulatory permits for this work before we can
issue a short-term license for the proposed work.
Tacoma Power has no objection to the proposed reconfiguration and removal project on
Tacoma Power's property and authorizes you to move forward with your regulatory permit
application. Please provide a copy of this letter to the regulatory agencies when you apply for
your permits.
Feel free to contact me at 253-441-4180 or wwright(o)ci.tacoma.wa.us if you have any
questions.
Sincerely,
*I / ,
Wynn e Wright
Shoreline and Lands Coordinator
c: Dori Bishop, Sr. Real Estate Specialist, City of Tacoma
Integrated Northwest Construction, Agent
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Project:RICH V.-SCOTT MERRITT ;StruCalc 9.0
Location 2 x 8 x 10 33'BIER FLR JOISTS @ 12"O C `
Floor Joist1" -
(2015 International Building Code(2015 NDS)j
1.5 IN x 7.5 IN x 10.0 FT @12O.C.
#2-Douglas-Fir-Larch(North)-Dry Use StruCalc Version 10.0 1.6 11121/2018 8:53:31 AM
Section Adequate By:15.8%
Controlling Factor:Moment
DEFLECTIONS Center LOADING DIAGRAM
Live Load 0.21 IN U563
Dead Load 0.04 in
Total Load 0.25 IN U474
Live Load Deflection Criteria:U480 Total Load Deflection Criteria:U360
REACTIONS A _B
Live Load 400 lb 400 lb
Dead Load 75 lb 75 lb
Total Load 475 lb 475 lb
Bearing Length 0.51 in 051 in
SUPPORT LOADS A B
Live Load 400 plf 400 pif --
Dead Load 75 pif 75 pif A-----— -- -----_.-toa _
Total Load 475 pit 475 plf
MATERIAL PROPERTIES
#2-Douglas-Fir-Larch(North) MOIST DATA Center
Base Values Adjusted Spar.Length 10 It
Bending Stress Fb= 850 psi Fb'= 1173 psi Unbraced Length-Top 0 It
Cd=100CF=1.20Cr-f.15 Unbraced Length-Bottom 0 It
Shear Stress Fv= 180 psi Fv'= 180 psi Floor sheathing applied to top of joists-top of joists fully braced.
Cd=1.00 Floor Duration Factor 1.00
Modulus of Elasticity: E= 1600 ksi E'- 1600 ksi
Comp.-L to Grain. Fc-1= 625 psi Fc-1'= 625 psi JOIST LOADING
Uniform Floor Loading Center
Controlling Moment: 1188 ft-lb Live Load LL= 80 psf
5 0 Ft from left support of span 2(Center Span) Dead Load DL= 15 psf
Created by combining all dead loads and live loads on span(s)2 Total Load TL= 95 psf
Controlling Shear: 475 lb TL Adj.For Joist Spacing wT= 95 pif
At left support of span 2(Center Span)
Created by combining all dead loads and live loads on span(s)2
Comparisons with required sections: Reo'd Provided
Section Modulus: 12.15 03 14.06 in3
Area(Shear): 3.96 02 11 25 in2
Moment of Inertia(deflection) 44.99 in4 52.73 in4
Moment: 1188 ft-lb 1375 ft-lb
Shear: 475 lb 1350lb
TACOMA- POWER 27' 120
TACOMA PUBLIC UTILITIES
Conforms with SUSPG P. o
of wnsy�
Reviewed y:
Date: ' ft;
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PLANNING
Biological Evaluation
Merritt Bulkhead and Pier, Ramp, & Float Project
Lake Cushman, Hoodsport WA
For:
Scott & Kristin Merritt
410 214th Ave SE
Sammamish,WA 98074
Prepared by:
BioResources, LLC
Kim Schaumburg
Fisheries biologist,University of Washington, 1981
101.12 Bay View Rd. KPN
Vaughn,WA, 98394
(253) 884-5776 or 225-2973
Email:
March 26,2019
+ r ,
1.0 Proposed Action
This Biological Evaluation has been submitted on behalf of Scott and Kristin Merritt at
the request of the Seattle District United States Army Corps of Engineers to comply with
Endangered Species Act(ESA) regulations regarding shoreline development. The
proposed action on their Lake Cushman property is the installation of two replacement
wing-walls on each end of an existing bulkhead,the replacement, re air, and removal of
existing
xistin overwater structures, and the repair of existing undercut cotrete pile footings.
Mitigation for the proposed project will include downsizing the footprint of existing and
replacement overwater structures,which will result in an overwater coverage reduction of
240 square feet(sf).Additionally,the replacement pier and float will be grated (the
existing structures are ungrated),untreated Alaska yellow cedar will be used in repaired
or replacement overwater structures instead of treated lumber, and seven wood
breakwater structures(Attachment 9)will be removed. A native planting plan is also
proposed in this report.
1.1Background
The proposed project site is located in Mason County at 61 N Gull 'lace, Hoodsport
Washington(Attachment 1). The Mason County tax parcel number lis 42205-52-00051.
The property is located in Section 05, Township 22N, Range 04 of the Western Meridian.
The latitude is 47.42445 north, and the longitude is -123.22109 west.
The proposed project site is on Lake Cushman in the Skokomish/Dosewallips Water
Resource Inventory Area 16(WRIA 16) in Mason County. Lake Cashman is regulated
under the Mason County Shoreline Master Program and the Mason County Resource
Ordinance as a Fish and Wildlife Habitat Conservation Area. The Shoreline Management
Act of 1971 designated Lake Cushman as a Shoreline of Statewide significance. In
addition,Lake Cushman is regulated by Tacoma Public Utilities (aka Tacoma Power),
which has designated Shoreline Management Classification (SMC) zones. The proposed
project site is located in an SMC zone classified as"A."Tacoma Power defines the"A"
management classification as shoreline areas with no known significant
environmental/cultural resources or associated resource management goals precluding
existing or future shoreline uses;this classification acknowledges existing private uses
and anticipates potential future private and light commercial shoreline uses (Kleinschmidt
2012).
The proposed project site is located in a rural neighborhood on a large shoreline lot,
which supports a single-family residence located approximately(approx.) seventy(70)
feet horizontally and fifty (50) feet vertically from the shoreline of Lake Cushman.
Existing shoreline appurtenances (Attachments 2-10) include shor line access stairs, an
approx. 180-foot wood bulkhead,a wood pier(240 sf), a wood flo t(200 sf), a boat slip
float(160 sf), and a ramp(36 sf).
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steel pipe will be encased in concrete to form tie-back anchors that vyill be attached by
steel cable to the wing-walls and buried landward. The wing-walls will be constructed of
eight by eight inch (8"x 8")Alaska yellow cedar posts,three by twelve-inch(3" x 12")
yellow cedar planks, and galvanized hardware. The post holes will be approx. eighteen
inches(18") wide and filled with concrete to a depth of six feet(6').All concrete for the
bulkhead, pier, and float will be hand-mixed per engineered drawings and poured in
place.
Additional projects associated with the bulkhead: Undercut concrete footings of existing
steel I-beam piles will be excavated and augmented with concrete. Gabion baskets at the
north end of the bulkhead and plywood and other lumber at the south end will be
removed from the site with the rocks in the baskets to be used as backfill. One-inch
diameter holes may be drilled along the base of the existing bulkhead to relieve
hydrostatic pressure.
The following existing overwater structures will be removed from the site: the 160 sf
boat slip float,the 36 sf ramp,the 200 sf float attached to the existing pier, and approx.
40 sf of the pier(at the north end). The existing float positioning pil s and cradle (of the
200 sf float)will remain in place. Four piles associated with the boa slip float will be
removed.
The existing pier will be reduced by 40 sf then re-decked and re-railed with Alaska
yellow cedar. A three (3')by twelve foot(12') aluminum ramp will connect the pier to
the float. The existing floats will be replaced by a single ten(10')by sixteen-foot(16')
float. The pier and float repair/replacement will be constructed of galvanized steel or
aluminum hardware, and Alaska yellow cedar posts,joists, decking; and trim.No
pressure treated lumber will be used in this project. The decking of he pier and float will
have grating installed (a minimum fifty percent total with 60 percent light passage, as
required by the WDFW). The grating will be provided by ThruFlovi decking panels,
which are made of reinforced polypropylene, contain no toxic preservatives, and are
recyclable. The float will be fitted with polyethylene encapsulated Styrofoam®float
billets. The total overwater coverage at the site will be 360 sf, a reduction of 240 sf from
the existing 600 square feet.
A circular saw and various hand tools will be used throughout the proposed project.
Workers, equipment, debris, and materials will be transported to the site either by boat or
by cars or trucks. Geo-textile fabric will be spread over the dry lakebed before
commencement of project construction in order to contain any manmade construction
debris. At the completion of construction,the geo-textile fabric will be removed from the
shoreline at the site, along with all construction debris and other existing manmade
debris. All debris will be disposed of at a licensed landfill or other licensed disposal site.
Any rust inhibitor applied to existing steel piles will be brushed on not sprayed.
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along the north half of the lower bluff, landward of the bulkhead. Vegetation contributes
to slope stability in many ways, including the following:
*Vegetation intercepts precipitation, causing absorptive and evaporative losses that
reduce the amount of precipitation available for infiltration.
•Roots extract moisture from the soil, which is lost to the atmosihere via
transpiration.
•Roots reinforce the soil, increasing soil shear strength.
•Tree roots may anchor into firm strata,providing support to the upslope soil mainly
though buttressing and arching.
*Vegetation absorbs the energy of precipitation, which alleviates erosion to surface
sediments and reduces the velocity of surface flows.
*Vegetation acts as a filter to catch sediments.
After removing invasive,non-native species, plants should be installed randomly with
some clumping of shrub species,with a clump being defined as two or three plants
installed in close proximity to one another. The following spacing is recommended in
order to expedite full vegetation coverage over the area:three-foot can center for shrubs,
and five-foot on center for trees.After the plants are installed it is recommended that all
disturbed areas be seeded with a native grass seed mixture, and then mulched.
Plants should be thinned or trimmed as necessary and watered at lest twice per week
during dry conditions in spring and summer months. Any invasive, on-native vegetation
should be removed at least twice a year or as necessary. Due to the close proximity of
Lake Cushman, no herbicides or pesticides should be used in this project. Potted (3.5" or
one to two gallon pots) or bare root plants are recommended. Organic mulch should be
used to mulch the newly installed plants in order to minimize runoff from topsoil. Straw
will introduce weeds and is not recommended for mulching at the site.
The exact location of the plantings will be at the installer's discretion. It is expected that
approx. fifty(50)trees and shrubs will needed to be installed. It is recommended that at
least three tree species and four shrub species be installed.
Recommended native species include: Douglas-fir(Pseudotsuga menziesii),western
hemlock(Tsuga heterophylla), Sitka spruce(Picea sitchensis), shore pine (Pinus contorta
contorta), Western red cedar(Thuja plicata),willow(Salix spp. including scouleriana,
sitchensis, and/or hookeriana),vine maple (Acer circinatum), Western yew (Taxus
brevifolia), Pacific dogwood (Cornus nuttallii), oceanspray (Holo iscus discolor), Pacific
ninebark(Physocarpus capitatus), Indian plum (Oemleria cerasifo mis), evergreen
huckleberry (Vaccinium ovatum),red huckleberry(Vaccinium parvif ium),Pacific ninebark
(Physocarpus capitatus), common snowberry(Symphoricarpos al us), salal (Gaultheria
shallon), Oregon-grape (Berberis aquifolium or nervosa), and sword fern (Polystichum
munitum).
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the WDOE's Stormwater Management Manual for Western Washington, Volume II
Construction Stormwater Pollution Prevention (2012),will be implemented for long-term
protection of water quality at the site:
BMP C101: Preserving Natural Vegetation
Wherever practical,native vegetation shall be preserved to reduce erosion.Natural
vegetation should be preserved on steep slopes, near perennial and intermittent
watercourses or swales, and on building sites in wooded areas.
BMP C154: Concrete Washout Area
Purpose: Prevent or reduce the discharge of pollutants to sormwater from concrete waste
by conducting washout off-site, or performing on-site washout in a Designated area to
prevent pollutants from entering surface waters or ground water.
Conditions of Use: Concrete washout area best management practices are implemented
on construction projects where:
•Concrete is used as a construction material.
•It is not possible to dispose of all concrete wastewater and washout off-site(ready
mix plant, etc.).
•Concrete trucks,pumpers, or other concrete coated equipment are washed on-site.
•Note: If less than 10 concrete trucks or pumpers need to be washed out on-site,the
wash water may be disposed of in a formed area awaiting concrete or an upland
disposal site where it will not contaminate surface or group water. The upland
disposal site shall be at least 50 feet from sensitive areas su�h as storm drains,
open ditches, or water bodies, including wetlands.
•A temporary washout facility shall be constructed on-site or the concrete truck will be
washed out off-site.
•When temporary concrete washout facilities are no longer required for the work,the
hardened concrete, slurries and liquids shall be removed and properly disposed of.
*Materials used to construct temporary concrete washout facilities shall be removed from
the site of the work and disposed of or recycled.
BMP C151: Concrete Handling
Purpose: Concrete work can generate process water and slurry that contain fine particles
and high pH,both of which can violate water quality standards in the receiving water.
Concrete spillage or concrete discharge to surface waters of the State is prohibited. Use
this BMP to minimize and eliminate concrete, concrete process water, and concrete slurry
from entering waters of the state.
Conditions of Use:Any time concrete is used,utilize these management practices.
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3.0 Action Area
The action area is located on the shoreline of Lake Cushman at the proposed project site.
Besides the proposed project location, the action area includes the surrounding area
within a designated distance from the site in order to account for coy I istruction impacts
that may affect species listed under the Endangered Species Act by the U.S. Fish and
Wildlife Service and the National Marine Fisheries Service as eithet endangered or
threatened. The limits of the action area are based upon the geographic extent(in both
aquatic and terrestrial environments) of the physical, chemical, and biological effects
resulting from the proposed action, including direct and indirect effects, as well as effects
of interrelated and interdependent activities(WSDOT 2010). Turbidity and noise are
expected to be the most detrimental project effects. Because work will occur when Lake
Cushman is lowered,project turbidity is expected to be no greater than turbidity that is
common to the area during heavy rains,when various ephemeral and perennial streams
and the north fork of the Skokomish River discharge sediment laden water into Lake
Cushman. It is probable that the project's distance from the lake's lowered shoreline will
be great enough that disturbed sediments will disperse gradually(vi precipitation) over
the exposed lakebed without ever reaching water until the lake is rased. Additionally,the
excavation required to remove existing and install replacement pilings is expected to be
minimal. Therefore,terrestrial noise is expected to be the most far-reaching effect from
the proposed project.
The action area for terrestrial noise effects is based upon an ambient sound level of 40
dBA for an area with a population of less than 100 people per mile (WSDOT 2010). In
addition,the Olympic National Forest programmatic biological ass ssment uses an
estimated ambient level of 40 dBA for undisturbed forested areas (VSDI 2003).Noise
frequency and levels for the installation of a bulkhead wing-walls, pier repair, and a
replacement float(if it is constructed on site), and the demolition of the existing
overwater structures to be removed is expected to be short term and moderate, as the
contractor will be using hand tools such as a skill saw. The sawing of the lumber is
expected to produce the proposed project's maximum noise level. The noise level of a
circular saw at fifty feet was determined as follows: The noise level at 50 feet from a
chain saw is 84 dBA(WSDOT 2014). The noise level of a chain saw at three feet is 110
dBA,while a circular saw is 100 dBA. Assuming that a chain saw is between approx.
five and ten percent noisier than a circular saw, the noise level of a,circular saw at fifty
feet was assigned 79 dBA.
To determine the distance that the proposed project's maximum p int source construction
noise will travel before it attenuates to the ambient sound level; th following Practical
Spreading Loss Model equation was used:
D=Do * 10((Construction Noise—Ambient Sound Level in dBA)/a) Where D=the
distance from the noise &Do=the reference measurement distance of 50'.
Average construction noise from the proposed project will travel approx. 3,970 feet over
hard site conditions (Lake Cushman) and 1,656 feet over soft site conditions (forested
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are released in Lake Cushman, and smolts are collected and released into the lower North
Fork Skokomish River. Two new hatcheries were also recently constructed, one on the
Hood Canal at Potlatch for sockeye,the other on Lake Kokanee for Chinook, coho, and
steelhead.
The former, Saltwater Park Sockeye Hatchery, on Hood Canal, is dedicated specifically
to sockeye rearing. More than 200,000 sockeye fry were released intto Lake Cushman in
2017. Smolts are collected via the floating juvenile fish collector and released into the
lower North Fork Skokomish River,while returning adult sockeye will eventually be
collected at the base of Cushman Dam No. 2. (Tacoma Power 2019). More than 500,000
sockeye are on station at the hatchery in 2018 (Tacoma Power 2019). The latter,the
North Fork Skokomish Salmon Hatchery, located next to Lake Kokanee, is dedicated to
rearing spring Chinook, winter-run steelhead and coho salmon. Tacoma Power is
incubating more than 500,000 of the three species combined in early 2018 (Tacoma
Power 2019).
4.1 ESA Listed Species
BULL TROUT
Bull trout are members of the char subgroup of the salmon family and are native to the
Pacific Northwest and western Canada. Water temperature above 15 degrees Celsius is
believed to limit bull trout distribution, as eggs and juveniles require extremely cold
water for survival. Bull trout are also vulnerable to degraded stream habitat,poor water
quality, dams and other stream blocking structures, and predation b�non-native fish.
Critical habitat includes Lake Cushman and the upper North Fork Of the Skokomish
River(70 FR 56304). Critical Habitat in the former includes spawning and rearing
habitat,while the latter provides rearing, foraging, and migration habitat, so it is expected
that bull trout may be found in the action area of the proposed project site.
MARBLED MURRELET
A small, diving seabird in the family Alcidae,the marbled murrelet forages for small fish
and invertebrates almost exclusively in nearshore marine waters,while nesting inland in
old-growth or mature conifer forests. Threats include loss of habit ,predation, gill-net
fishing operations, oil spills,marine pollution, and disease. The U FWS assembled a
team of scientists in October 2011 to investigate causes for the continued decline in
murrelet populations. The outcome of these discussions listed many factors, chiefly loss
of potential nesting habitat as the main reason for hindrance of po ulation recovery goals
(WDFW 2012).
Potential nest trees are coniferous trees within 55 mi (88.5 km) of marine waters that
support at least one 4-inch(10.2-cm) diameter platform located at least 33 feet(10
meters) above the ground,with horizontal and vertical cover(USFWS 2012). If a tree or
Merritt Biological Evaluation 13
grazed pastures, gravel roads or gravel shoulders of lightly-traveled roads, airports, and
dredge deposition sites in the lower Columbia River(WDFW 2012).
It is expected that the action area contains unsuitable habitat for the.streaked horned lark.
YELLOW-BILLED CUCKOO
The yellow-billed cuckoo (Coccyzus americanus) is a neotropical migrant bird that
winters in South America and breeds in western North America. The yellow-billed
cuckoo is insectivorous and lives in riparian woodlands (USF W S 2014). Reports of
individual cuckoos have been very rare in recent decades, with only three known reports
since 2000, these being near Lind (Adams Co.) in 2001,near Eureka(Walla Walla Co.)
in June 2007, and from Little Pend Oreille National Wildlife Refuge (Stevens Co.) in
June 2012. Habitat loss and pesticide use are thought to be two of the main causes for the
precipitous decline of western yellow-billed cuckoos.Agriculture, grazing, reservoir
construction, flood control, urbanization, and other factors across the West have caused
the large-scale loss and degradation of lowland riparian forest,which is the cuckoo's
primary habitat.
It is expected that the action area contains unsuitable habitat for the yellow-billed cuckoo.
CHINOOK SALMON
Chinook salmon in Lake Cushman are a land-locked population that originated from
anadromous fish, although loss of genetic variation makes it difficult to determine
whether they are descended from historical Hood Canal population or introduced
hatchery fish(NOAA 2006). Lake Cushman Chinook are genetically different, smaller in
size (and presumably less fecund)than their anadromous counterparts (Myers et al.
1998). On Jan. 12,2009,Tacoma Power,the Skokomish Tribal Nation and state and federal
agencies signed a settlement agreement that resolved a$5.8 billion damages claim and
long-standing disputes over the terms of a long-term license for Cushman Hydroelectric
Project. Tacoma Power has proposed to introduce sockeye and spring Chinook and
enhance the existing winter steelhead and coho populations in the North Fork in
cooperation with the WDFW and the Skokomish Tribe (Tacoma Public Utilities 2014). In
addition, Tacoma Power will annually release up to 100,000 rainbow trout for sport
harvest(TPU 2014).
Lake Cushman has been designated Critical habitat, and the site provides rearing,
foraging, and migration habitat, so it is expected that adult and/or j venile Chinook
salmon may be found in the action area.
Merritt Biological Evaluation 15
to 21 meters (69 feet), with peak levels occurring during summer and minimum levels
during winter. The magnitude of these fluctuations results in periodic inundation of 12
hectares(30 acres) of land surrounding the inlet to the reservoir,resulting in high water
temperatures in the shallow waters of the inlet during the summer months(Brenkman
1998). Currently,the reservoir inundates 17.2 kilometers (10.7 miles) of river, including
areas of the original Lake Cushman (Brenkman 1998).
5.2 Proposed Project Area
A field investigation was conducted in March of 2019, and the project area was surveyed
visually on foot. The elevation of the lake's water level was approx. 720 feet,which is
eighteen feet lower than the current ordinary high water mark of 738 feet.
The proposed project site is located on a 0.61 acre waterfront lot on the east side of Lake
Cushman, immediately north of the Lake Cushman Dam. The existing SFR is located
approximately 70 feet horizontally and 50 feet vertically from the shoreline. Between the
residence and the shoreline, the property inclines at a moderate gradient to the bluff edge,
which is delineated by an existing wood and steel I-beam bulkhead`which is approx. 180
feet in length and fourteen feet in height. The majority of the site isi heavily vegetated
with native species, including large trees; although, an approx. 90 y 15-foot area along
the north half of the lower bluff, landward of the bulkhead, lacks a4equate native trees
and shrubs.
The shoreline was accessed via wooden stairs that lead onto the existing pier. The
existing overwater structures are in fair condition but will be upgraded or replaced, and
downsized to meet current regulations. The bulkhead lacks adequa$e wing-walls on both
ends that prevent the lake's waters from eroding landward of the bulkhead. Gabion
baskets, plywood, and other lumber have been placed at both ends of the bulkhead to
alleviate the erosion. Several of the concrete I-beam footings were observed to be
undercut by erosion. Concrete footings for the pier and float piles are also exposed, due
to erosion and the steep lakebed at the site.
The slope of the lakebed along the upper shoreline is extremely steep. The substrate
consists primarily of cobble and rock(Attachment 10). No fish, invertebrates, or
macroalgae were observed in Lake Cushman at the site.
6.0 Effects of the Action
6.1 Direct Effects
Direct effects to the shoreline include: 1) Loss of benthic habitat from the installation of
the replacement bulkhead wing-walls or the repair of existing bulkhead,pier, and float
pile footings. 2)Creation of shade from the replacement pier and float. 3)No further
contamination to Lake Cushman from the leaching of wood preservatives.
Merritt Biological Evaluation 17
Shade can also affect migrating salmonids. It is not known whether over-water structures
disrupt the migration of salmonids in lakes.Numerous studies suggest that docks,piers,
and floats attract fish, and that the attraction of fish is linked to shade produced by the
object not tactile stimulus. While the effects of shade on migrating juvenile salmonids in
lakes is unknown, it is also unclear in marine waters, and there is no empirical evidence
of mortality.The significance of predation to migrating populations has never been
empirically assessed(Simenstad et al. 1999).No studies have examined mortality due to
predation much less that mortality is attributable to overwater structures (Nightingale &
Simenstad 2001).
As previously noted,the proposed project will result in a 240 sf reduction of overwater
structure coverage at the site. Additionally,the repaired pier and replacement float will be
grated to allow 60 percent light passage, as per WDFW's stipulations;the existing pier
and float are presently ungrated. In conclusion, shade created by the proposed project is
expected to have discountable and insignificant direct effects on ESA listed salmonids
that may be in the action area.
3)The leaching of wood preservatives is a common contaminant-rglated issue with the
construction of shoreline SFR appurtenances. As previously note, no pressure treated
lumber will be used in this project and existing pressure treated lwn ber will be removed
or replaced by untreated Alaska yellow cedar.
Temporary Direct Effects
Temporary direct effects caused by the proposed project include: 1)Turbidity and
sedimentation in Lake Cushman. 2)Noise. 3) Water pollution from incidental release of
fuel, oil, or other contaminants.
1)Disturbed substrate from the excavation of new piling holes Viand existing undercut
or exposed concrete pile footings may result in increased tur, bidity and
sedimentation. As previously discussed, BMPs will be strictly adhered to during
construction in order to maintain the present water quality of Lake Cushman and
prevent runoff and pollution. In addition,the proposed project will take place
when the water level in the lake is much lower than the OHWM (738'), so it is
probable that rainfall will slowly disperse any disturbed substrate before it comes
into direct contact with the lake's waters. Therefore, it is e pected that turbidity
and sedimentation will be minimal.
2) The main source of construction noise will be from the sawi g of lumber.Noise
will be intermittent and is expected to be a maximum of 79 dBA at 50 feet.
3)Potential water pollution from accidental release of fuel, oil, or other contaminants
is another possible temporary direct effect. As previously discussed, Spill
Prevention Control measures and BMPs shall be implemented during the
proposed project.
Merritt Biological Evaluation 19
debris and native rock/cobble on the lakebed will not be impacted, and native plants that
provide habitat for prey insect species will be installed along the shoreline.
Permanent water of sufficient quantity and quality such that normal reproduction,
growth, and survival are not inhibited--the project is expected to have a minimal direct
effect on water quality. Project construction is unlikely to cause temporary turbidity or
sedimentation as work will occur when the lake's waters have been lowered. BMPs are
expected to prevent or moderate potential water pollution during construction. In
addition, no pressure treated lumber will be used.
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CHINOOK SALMON PCEs:
Unobstructed passage—passage will not be altered during construction as no
construction will occur unless the waters of Lake Cushman are low. The project's grating
of the existing/replacement pier/float may have a beneficial direct effect on Chinook
passage along the shoreline.
Water Quality project construction is unlikely to cause temporary turbidity or
sedimentation. BMPs are expected to prevent or moderate potential water pollution
during construction. In addition,no pressure treated lumber will be used. The use of
yellow cedar(rather than pressure treated lumber) is expected to improve water quality.
Water Quantity the project will have no effect on water quantity.
Forage—the project will have a beneficial impact as native plants that provide habitat
for prey insect species will be installed along the shoreline.
Natural Cover—the project will not impact existing large woody debris and native rock/
cobble on the lakebed.
6.3 Direct Effects to ESA Listed Species
The direct effect from the proposed project to other ESA listed species that are likely to
be found in the action area have been analyzed as follows:
NORTHERN SPOTTED OWL
Due to the close proximity of forest land, it is possible that Northe' spotted owls may be
found in the action area of the proposed project site. However, with the extensive acreage
of undeveloped forest land nearby, it seems unlikely that Northern spotted owls will be
nesting,roosting, or foraging in close proximity to anthropogenic development.
Merritt Biological Evaluation 21
incoming waves. Cobble and rock,therefore, are the predominant sediments along the
shoreline at both bulkheaded and steep-shored un-bulkheaded sites.Additionally, Lake
Cushman is relatively deep with a maximum depth of approx. 275 f�et, so it is expected
that sediment movement along the foreshore moves primarily one-way: into deeper
waters. Also,the seasonal raising and lowering of Lake Cushman contributes to erosion.
It is unknown whether the proposed project site is subjected to unnatural water movement
that exacerbates shoreline erosion, due to the close proximity to Cushman Dam 1,but it
seems reasonable to conclude that it may be. The proposed wing-wall replacement is
expected to cause less erosion as they will be located at a higher elevation than the
existing bulkhead and installed on an approx.thirty degree angle (relative to the bluff and
bulkhead).
Referenced materials for this report primarily assess bulkhead impa is to marine
shorelines and, in particular, Puget Sound. While some impacts are Etpplicable to lake
shorelines,beach feeding/forming processes appear to differ significantly and be site
specific. Like most lakes, Lake Cushman has an inlet source of water(the North Fork of
the Skokomish River) and an outlet one (the same river funneled through Cushman Dam
No. 1), so it is probable that the primary source of sediments to the lake is the North Fork
of the Skokomish River,while numerous smaller streams and eroding shorelines
contribute smaller sediment quantities. A 2012 study by Stanford University on a large,
deep Alpine lake in Italy revealed that suspended sediment concentrations(SSC)can
significantly affect the ecological health and function of lakes and reservoirs for several
reasons, including the following:
1) Sediments can regulate primary production by limiting light vailability and also
by acting as a source of nutrients (Schallenberg and Burns 2 004).
2)High sediment concentrations in a lake or reservoir can lead o poor water quality
from high turbidity levels as well as decreased basin volume through
sedimentation (Morris e al. 2008).
3)Lakes and reservoirs can act as sinks for many sediment-bound contaminants that
can accumulate and deleteriously affect aquatic ecosystems(Mariani et al. 2008).
Additionally, a 2004 USDA Forest Service Technical Report(PSW-GTR-193)revealed
that another large, deep Alpine lake, Lake Tahoe, was found to be Very sensitive to the
input of fine sediments(less than 63 micrometers in size). Because of its slow settling
rate and the long hydraulic residence time in the lake,the impact o fine sediment on
water clarity is persistent: a 2 micrometer particle takes 2 years to settle out of the water
column (in Lake Tahoe).
In conclusion, regarding Lake Cushman, a lake whose shorelines lick water for roughly
six to seven months each year, it seems counterproductive to consider beach feeding a
positive habitat process as the lake was significantly enlarged to accommodate two
hydroelectric dams that produce environmentally friendly electric power free of carbon
emissions.
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Water Quality—the project will benefit water quality (see bull trout).
Water Quantity the project will not have any indirect effect on water quantity.
Forage—native plantings are expected to grow and benefit the food base.
Natural Cover—the project will not have any indirect effect on natural cover.
6.6 Indirect Effects to ESA Listed Species
The indirect effects from the proposed project to other ESA listed species that are likely
to be found in the action area have been analyzed as follows:
NORTHERN SPOTTED OWL & MARBLED MURRELET
While it is highly unlikely that either species would nest in trees that are located in a rural
neighborhood that is adjacent to a dam, the proposed project may result in increased
recreational usage at the site, which could prompt both species to nest elsewhere.
6.7 Interrelated/Interdependent Effects
Interrelated and interdependent effects are described as the effects of the action under
consultation analyzed together with the effects of other activities that are interrelated to,
or interdependent with,that action. An interrelated activity is an activity that is part of the
proposed action and depends on the proposed action for its justification. An
interdependent activity is an activity that has no independent utility apart from the action
under consultation (FWS &NMFS 1998). The project will have no obvious interrelated
or interdependent effects.
6.8 Primary Constituent Elements
BULL TROUT PCEs:
Water temperatures that support bull trout use. Bull trout have been documented in
streams with temperatures from 32 to 72 degrees F but are found more frequently in
temperatures ranging from 36 to 59 degrees F--the project will have no interrelated or
interdependent effects on water temperatures that support bull trout use.
Migratory corridors with minimal physical, biological, or water quality impediments
between spawning, rearing, overwintering, and foraging habitats, including
Merritt Biological Evaluation 25
7.0 Conclusion
7.1 Take Analysis
Section 9 of the ESA prohibits take of endangered or threatened species, "take" being
defined in Section 3 as to harass, harm,pursue,hunt, shoot,wound,itrap, capture, or
collect listed species, or attempt to engage in any such conduct. "H4 m" is further defined
as a significant habitat modification or degradation that actually kill or injures listed
species by"significantly impairing behavioral patterns such as breeding, spawning,
rearing, migrating, feeding, and sheltering" (50 CFR 222.102). "Hakass" is further
defined as an intentional or negligent act which creates the likelihood of injury to wildlife
by annoying it to such an extent as to significantly disrupt normal behavior patterns
which include,but are not limited to, breeding, feeding, or sheltering (50 CFR 17.3). In
regards to the proposed project and the existing development activities, it is extremely
unlikely that any"take"will occur. Previously listed conservation measures will further
insure the likelihood that no "take"will occur
I
7.2 Determination of Effect
A determination of May affect, not likely to adversely affect is the appropriate conclusion
when effects on the species or their critical habitat are expected to be beneficial,
discountable, or insignificant. After reviewing the appropriate data and survey
information, I have concluded that the proposed project will have an insignificant impact
on the previously discussed Endangered or Threatened species if thIe previously discussed
conservation measures are implemented. In my most honest and professional opinion,
while the proposed project may impact individual Endangered or Threatened species in
the project area, it is not likely to adversely affect or jeopardize thelcontinued existence
of those species or their designated Critical Habitat. The determination of effect for each
of the listed species is:
1. Bull trout and their designated Critical Habitat—May affect, not likely to
adversely affect.
2. Chinook salmon--May affect, not likely to adversely affect.
3. Marbled murrelet—May affect, not likely to adversely affect.
4. Northern spotted owl No effect.
5. Streaked horned lark---No effect.
6. Yellow-billed cuckoo—No effect.
mum
Merritt Biological Evaluation 27
Leigh,M. 1996. Grow your own native landscape: a guide to identi mg,propagating,
and landscapingwith Western Washington native plants.Washington State University
Cooperative Extension/Thurston County, Olympia, WA.
Mason County, Washington. 2019. Assessor-Treasurer Electronic Property Information
Profile. Internet report. URL:
http•//VroL)et-ty co mason wa us/Taxsifter/Searchi'results.aspx?a-42307-50-00025
Mason County, Washington. 2018. Planning Department Critical Ateas Resource
Ordinance. Internet report. URL:
http•//www co mason.wa.us/code/Community Dev/ROfinalwet.pd[1
Menashe, E. 1983. Vegetation Management:A Guide for Puget Soa nd Bluff Property
Owners. Shorelands and Environmental Assistance Program,Washington Department of
Ecology. Olympia. Publication 93-31.
MET Engineering, PLLC. 2019. Merritt engineered drawings, 11-21-18. Unpublished
document. 3 p.
Myers,Rian D. 1993.Slope Stabilization and Erosion Control Usi g Vegetation:A
Manual of Practice for Coastal Property Owners. Shorelines and Coastal Zone
Management Program, Washington Department of Ecology. Olympia. Publication 93-30.
National Marine Fisheries Service. 2019. Distribution of Threatened and Endangered
Species. Internet report. URL: http://www.nwr.noaa.r ov
NOAA. 2016. Endangered and Threatened Marine Species. Internet report. URL:
http://www.nmf's.noaa.a,ov/pr/species/esa/
Nightingale, B. and C. Simenstad. 2001. Overwater Structures: Marine Issues.
Washington Departments of Fish and Wildlife, Ecology, and Transportation. Olympia,
Washington. 177 p.
Scheu, K.R.,D.A. Fong, S. G. Monismith, and O.B. Fringer. 2012. Sediment transport
dynamics near a river inflow of a large alpine lake. Environmental Fluids Mechanics
Laboratory, Stanford University. Stanford, CA.
Skokomish Indian Tribe&Washington Department of Fish and Wildlife. 2010.
Recovery Plan for Skokomish River Chinook Salmon. Internet Report. URL:
http://hccc.wa.�,,,ov/Downloads t)ownlo,ids GetFile.as x?id_397519&fd=0
Tacoma Public Utilities. 2014. Cushman Hydro Project. Internet r ort. URL:
https://www m�tpu or�4/tacomapower/ahout-tacoina-}power/darns-plower-sources/hvdro-
power/cushman-lwdro-proiect/
Merritt Biological Evaluation 29
i
Washington State Department of Ecology. 2012. 2012 Stormwater Management Manual
for Western Washington. Internet report. URL:
https://foi-tress.wa.00v/ecy/publications/SummaryPages/1410055.11"1
Washington State Department of Natural Resources. 2014.FPARS ARCIMS mapping
application.Internet report: URL: http:l/tortress.wa.(zov/dnr/app1/fears/viewer.htm
Washington Department of Fish and Wildlife. 2008. Priority Habitat and Species List.
Olympia, Washington. 177 pp.
Washington Department of Fish and Wildlife. 2012.Annual Report,: Marbled Murrelet.
Internet report. URL:
http://vvdfxv wa.�ov/conservation/endar�gered,�species/marbled mur'elet.�df
Washington Department of Fish and Wildlife. 2012.Annual Report:Northern Spotted
Owl. Internet report.URL:
littp•//wdfiw wa �;ov/conservation/endan e� red/species/'nortliern spotted oxv l.pdf'
Washington Department of Fish and Wildlife. 2012. Annual Report: Streaked Horned
Lark. Internet report. URL:
http://wdlzy wa P,Oy/conservation/endan�let-ed/species/streaked 17onied lark.pol'
Washington Department of Fish and Wildlife. 2012. Annual Report: Yellow-billed
Cuckoo. Internet report. URL:
http•r/wdfw wa gov/conservation/endan<„ered/species/vellow-billed cuckoo.pdf
Washington Department of Fish and Wildlife. 2019. SalmonScape. Internet report. URL:
http://apps.w(if,,v.\va.gov/saimonscapt/
Washington State Department of Transportation. 2014.. BA Preparation for
Transportation Projects—Advanced Training Manual—Version 4-02-2014. URL:
ham_///www wsdot wa ov/NR/rdonlyres/A 1 F 85)52-90E0-457B-9A8C-
g5103E097FAE10/SA manualpart2.pdf
Merritt Biological Evaluation 31
9L
MASON COUNTY
Planning Division of Community Development
Planning DEPARTMENT
615 W.Alder St. Bldg. 8, Shelton, WA 98584
360-427-9670 ext 352
.� '
DETERMINATION OF NONSIGNIFICANCE
(WAC 197-11-340)
SEP2019-00078
Description of Proposal: ADDITION OF 10' WING WALLS ON ENDS OF EXISTING BULKHEAD,
TOTAL LENGTH 186.64'. EXISTING WALL IS 15.6' ABOVE GRADE, AT ITS
HIGHEST. REPAIR BULKHEAD FOOTINGS AND FLOAT PILES. REMOVE
160 SF BOAT SLIP FLOAT AND ASSOCIATED PILES, REDUCE PIER BY
APPROX. 40 SF, REPLACE 200 SF FLOAT WITH 160 SF FLOAT.
OVERWATER REDUCTION OF 240 SF.
Proponent: MERRITT, SCOTT E & KRISTIN L
Location of Proposal: 61 N GULL PL
Parcel Number: 422055200051
Legal Description: LAKE CUSHMAN #19 LOT: 51
Lead Agency: Mason County
The Lead Agency for this proposal has determined that it does not have a probable significant adverse impact
on the environment. An Environmental Impact Statement(EIS) is not required under RCW 43.21C.030(2)(c).
This decision was made after review of a completed Environmental Checklist and other information on file with
the Lead Agency. This information is available to the public upon request.
Please contact Marissa Watson at 360-427-9670 x367 with any questions. This DNS is issued under WAC
197-11-340(2). The Lead Agency will not act on this proposal for 14 days from the date shown below, when
the determination is final. Comments must be submitted to the Dept. of Community Development, 615 W Alder
St, Shelton WA 98584 by 01/30/2020. Appeal of this determination must be filed with a 14-day period
following this final determination date, per Mason County Code Chapter 15.11 Appeals.
6 2v
Author ed Local Government Official Date
Printed by:Marissa Watson on:01/15/2020 09:41 AM Page I of 1
r 7 vi
MASON COUNTY ENVIRONMENTAL CHEIYL A N N
IV
MASON CO. ENVIRONMENTAL CHECKLIST
A. BACKGROUND
1. Name of proposed project, if applicable: Merritt Bulkhead Wing-Walls
and Float Replacement & Pier Repair Project.
2. Name of applicant: John & Kristin Merritt.
3. Address and phone number of applicant and contact person: Integrated
Northwest Construction, Inc., Caralyn Vaideman. 60 N Lake Cushman
Rd, Suite 109, Hoodsport, WA 98584. (206) 319-4239 or (253) 888-
5314. caralyn@integratednwconstruction.com.
4. Date checklist prepared: 03-26-19.
5. Agency requesting checklist: Mason County.
6. Proposed timing or schedule (including phasing, if applicable): No
phasing. Work to be completed ASAP after receiving all required
permits.
7. Do you have any plans for future expansion, or further activity related to or
connected with this proposal: if yes, explain. No.
8. List any environmental information you know about that has been
prepared, or will be prepared, directly related to this proposal. A BE has
been prepared.
9. Do you know whether applications are pending for governmental
approvals of other proposals directly affecting the property covered by
your proposal? If yes, explain. No.
10. List any government approvals or permits that will be needed for your
proposal, if known. A Mason County Shoreline exemption permit and
a building permit; an HPA from the WDFW; A USACE permit.
11. Give a brief, complete description of your proposal, including the proposed
uses and the size of the project and site. There are several questions
later in this checklist that ask you to describe certain aspects of your
proposal. You do not need to repeat those answers on this page. (Lead
agencies may modify this form to include additional specific information on
project description).
As per the engineered design by Steve Morta (Attachments 2 & 3), two
replacement, approx. ten-foot (10') wing-walls will be installed at the north
MASON COUNTY ENVIRONMENTAL CHECKLIST 2
and south ends of the existing bulkhead. The wing-walls will connect to the
existing bulkhead and be angled approx. thirty (30) degrees into the bluff.
The wing-walls will be constructed of post and plank lumber at an approx.
lakebed elevation that is the same and landward of the existing bulkhead.
The proposed wing-walls will be a maximum above grade height of
fourteen (14) feet or the same as the existing.
The wing-walls will be backed with geotextile fabric and riprap to a height
of two feet (2% then topped with 7/8" minus gravel to the top of the
bulkhead. Four-inch galvanized steel pipe will be encased in concrete to
form tie-back anchors that will be attached by steel cable to the wing-walls
and buried landward. The wing-walls will be constructed of eight by eight
inch (8"x 8") Alaska yellow cedar posts, three by twelve-inch (3" x 12")
yellow cedar planks, and galvanized hardware. The post holes will be
approx. eighteen inches (18") wide and filled with concrete to a depth of six
feet (6'). All concrete for the bulkhead, pier, and float will be hand-mixed
per engineered drawings and poured in place.
Additional projects associated with the bulkhead: Undercut concrete
footings of existing steel I-beam piles will be excavated and augmented
with concrete. Gabion baskets at the north end of the bulkhead and
plywood and other lumber at the south end will be removed from the site
with the rocks in the baskets to be used as backfill. One-inch diameter
holes may be drilled along the base of the existing bulkhead to relieve
hydrostatic pressure.
The following existing overwater structures will be removed from the site:
the 160 sf boat slip float, the 36 sf ramp, the 200 sf float attached to the
existing pier, and approx. 40 sf of the pier (at the north end). The existing
float positioning piles and cradle (of the 200 sf float) will remain in place.
Four piles associated with the boat slip float will be removed.
The existing pier will be reduced by 40 sf then re-decked and re-railed with
Alaska yellow cedar. A three (3') by twelve foot (12') aluminum ramp will
connect the pier to the float. The existing floats will be replaced by a single
°J x� --) -ton (10')by sixteen-foot (16') float. The pier and float repair/replacement will
be constructed of galvanized steel or aluminum hardware, and Alaska
yellow cedar posts, joists, decking, and trim. No pressure treated lumber
will be used in this project. The decking of the pier and float will have
grating installed (a minimum fifty percent total with 60 percent light
passage, as required by the WDFW). The grating will be provided by
ThruFlow decking panels, which are made of reinforced polypropylene,
contain no toxic preservatives, and are recyclable. The float will be fitted
with polyethylene encapsulated Styrofoam® float billets. The total
overwater coverage at the site will be 360 sf, a reduction of 240 sf from the
existing 600 square feet.
k�ski 5
A I f-.
t T
MASON COUNTY ENVIRONMENTAL CHECKLIST 3
A circular saw and various hand tools will be used throughout the
proposed project. Workers, equipment, debris, and materials will be
transported to the site either by boat or by cars or trucks. Geo-textile fabric
will be spread over the dry lakebed before commencement of project
construction in order to contain any manmade construction debris. At the
completion of construction, the geo-textile fabric will be removed from the
shoreline at the site, along with all construction debris and other existing
manmade debris. All debris will be disposed of at a licensed landfill or
other licensed disposal site. Any rust inhibitor applied to existing steel
piles will be brushed on, not sprayed.
Activities are within the 100-year flood plain. The nearest waterbody is Lake
Cushman.
12. What is the location of the proposal? Give sufficient information for a
person to understand the precise location of your proposed project
including a street address, if any, and section, township, and range, if
known. If a proposal would occur over a range of area, provide the range
or boundaries of the site(s). Provide a legal description, site plan, vicinity
map, and topographic map, if reasonably available. While you should
submit any plans required by the agency, you are not required to duplicate
maps or detailed plans submitted with any permit applications related to
this checklist The site is located on Lake Cushman at 61 North Gull
Place. Section 05, Township 22N, Range 04W. The legal description
is: LAKE CUSHMAN #19 LOT: 51.
B. ENVIRONMENTAL ELEMENTS:
1. EARTH:
a. General description of the site (circle one): Flat, rolling, hilly, steep
slopes, mountainous, other.
b. What is the steepest slope on the site (approx. percent slope)? Greater
than 100 percent.
C. What general types of soils are found on the site (for example, clay, sand,
gravel, peat, muck)? If you know classification of agricultural soils, specify
them and note any prime farmland. Sand, clay, gravel, cobble, and
rock.
MASON COUNTY ENVIRONMENTAL CHECKLIST q
d. Are there surface indications of history of unstable soils in the immediate
vicinity: If so, describe. Yes, the bluff toe is eroding where there is
no bulkhead (wing-wall).
e. Describe the purpose, type, and approximate quantities of any filling or
grading proposed. Indicate source of fill. Approx. 3 cu/yds of concrete
will be used to repair existing pile footings. The wing-walls will be
backfilled with approx. 20 cu/yds of riprap and gravel.
f. Could erosion occur as a result of clearing, construction, or use: If so,
generally describe. The WDOE's BMPs and the WDFW's HPA
provisions shall be followed during construction to prevent erosion.
g. About what percentage of the site will be covered with impervious
surfaces after project constructions (for example, asphalt or buildings)?
The project will add a negligible amount of new impervious surface
area to the site, as all structures will be pervious to water.
h. Proposed measures to reduce or control erosion, or other impacts to the
earth, if any: All HPA provisions and the WDOE's BMPs shall be
adhered to during construction. See Merritt BE, please.
2. AIR:
a. What types of emissions to the air would result from the proposal (i.e.
duct, automobile, odors, industrial wood smoke) during construction and
when the project is completed? If any, generally describe and give
approximate quantities, if known N/A
b. Are there any off-site sources of emissions or odors that may affect your
proposal? If so, generally describe.
N/A
C. Proposed measures to reduce or control emissions or other impacts to air,
if any: N/A
3. WATER:
a. Surface:
1) Is there any surface water body on or in the immediate vicinity of
the site (including year-round and seasonal streams, saltwater,
lakes, ponds, wetlands)? If yes, describe type and provide names.
If appropriate, state what stream or river it flows into.
MASON COUNTY ENVIRONMENTAL CHECKLIST 5
Lake Cushman.
2) Will the project require any work over, in, or adjacent to (within 200
feet) the described waters? If yes, please describe and attach
available plans. No, the lake will be lowered during
construction.
3) Estimate the amount of fill and dredge material that would be
placed in or removed from surface water or wetlands and indicate
the area of the site that would be affected. Indicate the source of fill
material.
Approx. three cu/yds concrete in and one cu/yd out.
4) Will the proposal require surface water withdrawals or diversions?
Give general description, purpose, and approximate quantities if
known. No.
5) Does the proposal lie within a 100-year floodplain? If so, note
location on the site plan. Yes.
6) Does the proposal involve any discharges of waste materials to
surface waters? If so, describe the type of waste and anticipated
volume of discharge. No.
b. Ground:
1) Will ground water be withdrawn, or will water be discharged to ground
water? Give general description, purpose, and approximate quantities,
if known. No.
2) Describe waste material that will be discharged into the ground from
septic tanks or other sources, if any (for example: domestic sewage,
industrial, containing the following chemicals...,agricultural, etc.)>
Describe the general size of the system, the number of such systems,
the number of houses to be served (if applicable), or the number of
animals or humans the system(s) are expected to serve. None will be
discharged.
C. Water runoff (including storm water):
1) Describe the source of runoff (including storm water) and method of
collection and disposal, if any (include quantities, if known). Where
will this water flow? Will this flow into other waters? If so, describe.
MASON COUNTY ENVIRONMENTAL CHECKLIST g
Any runoff would be from precipitation. WDOE's BMPs and
the WDFW's HPA provisions shall be adhered to during
construction.
2) Could waste materials enter ground or surface waters: if so,
generally describe. No.
d. Proposed measures to reduce or control surface, ground, and
runoff water impacts, if any: The HPA provisions and the
WDOE's BMPs shall be adhered to.
4. PLANTS:
a. Check or circle types of vegetation found on the site:
X_deciduous tree: alder, maple, aspen, other
x_evergreen tree: fir, cedar, pine, other
x_shrubs
_ grass
pastu re
crop or grain
wet soil plants. cattail, buttercup, bulrush, skunk cabbage, other
_water plants: water lily, eelgrass, milfoil, other
other types of vegetation
b. What kind and amount of vegetation will be removed or altered?
None.
C. List threatened or endangered species known to be on or near the site.
Unknown.
d. Proposed landscaping, use of native plants, or other measures to
preserve or enhance vegetation on the site, if any:
Native plantings were recommended in the Biological Evaluation.
5. ANIMALS
a. Circle any birds and animals which have been observed on or near the
site or are known to be on or near the site:
Birds: hawk, heron, eagle, songbirds, other
Mammals: deer, bear, elk, beaver, other
MASON COUNTY ENVIRONMENTAL CHECKLIST r
Fish: bass, salmon, trout, herring, shellfish, other
b. List any threatened or endangered species known to be on or near
the site. bull trout (Salvelinus confluentus), marbled murrelet
(Brachyramphus marmoratus marmoratus), Puget Sound Chinook
salmon (Oncorhynchus tshawytscha), Puget Sound Steelhead
(Oncorhynchus mykiss), yellow-billed cuckoo (Coccyzus
americanus), the spotted owl (Strix occidentalis), and the horned lark
(Eremophila alpestris strigata).
C. Is the site part of a migration route? If so, explain. Fish migrate from
Lake Cushman to the North Fork of the Skokomish River, but
migration to or from Puget Sound is not possible due to major
anthropogenic blockages. Tacoma Power transports salmonids
manually from Lake Cushman to the Skokomish River.
d. Proposed measures to preserve or enhance wildlife, if any: None.
6. ENERGY AND NATURAL RESOURCES:
a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be
used to meet the completed project's energy needs? Describe whether it
will be used for heating, manufacturing, etc.
None.
b. Would your project affect the potential use of solar energy by adjacent
properties: If so, generally describe. No.
C. What kinds of energy conservation features are included in the plans of
this proposal? List other proposed measures to reduce or control energy
impacts, if any: None.
7. ENVIRONMENTAL HEALTH:
a. Are there any environmental health hazards, including exposure to toxic
chemicals, risk of fire and explosion, spill, or hazardous waste, which
could occur as a result of this proposal? If so, describe. No.
1) Describe special emergency services that might be required.
An ambulance in the event of a construction accident.
MASON COUNTY ENVIRONMENTAL CHECKLIST g
2) Proposed measures to reduce or control environmental health
hazards, if any: WDOE's BMPs shall be adhered to.
b. Noise:
1) What types of noise exist in the area which may affect your project
(for example: traffic, equipment, operation, other)? None.
2) What types and levels of noise would be created by or associated
with the project on a short-term or a long-term basis (for example:
traffic, construction, operation, other)? Indicate what hours noise
would come from the site. N/A
3) Proposed measures to reduce or control noise impacts, if any"
N/A
8) LAND AND SHORELINE USE:
a. What is the current use of the site and adjacent properties?
Residential and recreational.
b. Has the site been used for agriculture? If so, describe.
No.
C. Describe any structures on the site.
There is a SFR, shoreline access stairs, a bulkhead, a pier, two
floats, a ramp, and seven small breakwaters at the site.
d. Will any structures be demolished? If so, what?
Yes, part of the pier, the floats and ramp, and the breakwaters will be
removed from the site.
e. What is the current zoning classification of the site?
Unknown. _
f. What is the current comprehensive plan designation of the site?
Unknown._-
g. If applicable, what is the current Shoreline Master Program designation of
the site? Residential.
h. Has any part of the site been classified as an "Environmentally sensitive"
area? If so, specify. Lake Cushman is a Fish and Wildlife Habitat
Conservation Area .
MASON COUNTY ENVIRONMENTAL CHECKLIST 9
i. Approximately how many people would reside or work in the completed
project? None.
j. Approximately how may people would the completed project displace?
None.
k. Proposed measures to avoid or reduce displacement impacts, if any:
None.
i. Proposed measure to ensure the proposal is compatible with existing and
projected land uses and plans, if any: Bulkhead wing-walls and
overwater structures are common to residences on Lake Cushman.
9. HOUSING:
a. Approximately how many units would be provided, if any? Indicate
whether high, middle, or low-income housing. None.
b. Approximately how many units, if any would be eliminated? Indicate
whether high, middle, or low-income housing. None.
C. Proposed measures to reduce or control housing impacts, if any:
10. AESTHETICS:
a. What is the tallest height of any proposed structure(s), not including
antennas; what is the principal exterior building material(s) proposed?
The wing-walls will be approx. 14' above grade in height.
b. What views in the immediate vicinity would be altered or obstructed?
None.
C. Proposed measure to reduce or control aesthetic impacts, if any:
None.
11. LIGHT AND GLARE
a. What type of light or glare will the proposal produce? What time of day
would it mainly occur?
None.
b. Could light or glare from the finished project be a safety hazard or interfere
with views? No.
MASON COUNTY ENVIRONMENTAL CHECKLIST 10
C. What existing off-site sources of light or glare may affect your proposal:
None.
d. Proposed measures to reduce or control light and glare impacts, if any:
None.
12. RECREATION
a. What designated and informal recreational opportunities are in the
immediate vicinity?
Boating, fishing, hiking, etc.
b. Would the proposed project displace any existing recreational uses? If so,
describe. No.
C. Proposed measures to reduce or control impacts on recreation, including
recreational opportunities to be provided by the project or applicant, if any:
None.
13. HISTORIC AND CULTURAL PRESERVATION:
a. Are there any places or objects listed on, or proposed for, national, state,
or local preservation registers known to be on or next to the site? If so,
generally describe. No.
b. Generally describe any landmarks or evidence of historic, archaeological,
scientific, or cultural importance known to be on or next to the site.
None.
C. Proposed measures to reduce or control impacts, if any:
None.
14. TRANSPORTATION
a. Identify public streets and highways serving the site and describe
proposed access to the existing street system. Show on site plans, if any.
State Routes 101 and 119.
b. Is site currently served by public transit? If not, what is the approximate
distance to the existing street system? Show on site plans, if any.
Unknown.
MASON COUNTY ENVIRONMENTAL CHECKLIST 11
C. How many parking spaces would the completed project have? How many
would the project eliminate? None.
d. Will the proposal require any new roads or streets, or improvements to
existing roads or streets, not including driveways? If so, generally
describe (indicate whether public or private). No.
e. Will the project use (or occur in the immediate vicinity of) water, rail, or air
transportation? If so, generally describe. No.
f. How many vehicular trips per day would be generated by the completed
project. If known, indicated when peak volumes would occur. None.
g. Proposed measures to reduce or control transportation impacts, if any:
None.
15. PUBLIC SERVICES
a. Would the project result in an increased need for public service (for
example: fire protection, police protection, health care, schools, other)? If
so, generally describe: No.
b. Proposed measures to reduce or control direct impacts on public services,
if any:
None.
16. UTILITIES
a. Circle utilities currently available at the site: electricity, natural gas,
water, refuse service, telephone, sanitary sewer, septic system, other:
b. Describe the utilities that are proposed for the project, the utility providing
the service, and the general construction activities on the site or in the
immediate vicinity which might be needed. None.
Signature:
The above answers are true and complete to the best of my knowledge. I
understand that the lead agency is relying on them to make its decision.
MASON COUNTY ENVIRONMENTAL CHECKLIST 12
Signature:
Date submitted: