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SHX2012-00019 SEP2012-00028 MEP2012-00010 - SHX Permit / Conditions - 5/24/2012
MASON COUNTY oN_STq tF Py °� DEPARTMENT OF COMMUNITY DEVELOPMENT M o Planning Division o A U i P O Box 279, Shelton, WA 98584 z o T 1' (360)427-9670 7 y OJ �0 1864 Exemption from Shoreline Management Act Substantial Development Permit Requirement Case No.: SHX2012-00019 The Proposal By: KIMBER CONSTRUCTION PO BOX 1450 MCKENNA,WA 98558 To undertake the following development: Replacement of"L" shaped dock and float, total length is 28' beyond OHWM. Replace stationary 8'X20' portion with ladder to 8'X16' floating portion. Structure is supported by six treated 6X6" posts and two 8" galvanized steel pilings. Within LAKE CUSHMAN and/or its associated wetlands is exempt from the requirement of substantial development because the development is categorized under WAC 173-27-040(2) as being category H-dock Please contact Grace Miller at ext 360 if you have any questions. V ,A& , Issued: 5/24/2012 Expires:`�4 Authorized Local Government Official NO6 cc: APPLICANT WDFW- USACOE �NDOE TRIBAL COUNCIL 5/ kojxisti h� (7:"/2.'t> i MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Planning Division P O Box 279, Shelton, WA 98584 1010 (360)427-9670 MITIGATED DETERMINATION OF NONSIGNIFICANCE (WAC 197-11-350) SEP2012-00028 Description of Proposal: Replacement of"L" shaped dock and float, total length is 28' beyond OHWM. Replace stationary 8' X 20' portion with ladder to 8'X16' floating portion. Structure is supported by 6 treated 6X6" posts and two 8" galvanized steel pipes. Proponent: GALLIMORE FAMILY TRUST Site Address (If Assigned): 291 N POTLATCH DR NORTH HOODSPORT Directions to Site: US HIGHWAY 101, L ON LAKE CUSHMAN RD, L AT THE "T" GO TO MT ROSE VILLAGE, TURN L, KEEP TO THE RIGHT TO WATER, TURN RIGHT ON POTLATCH DR NORTH TO SITE Parcel Number: 423075000025 Legal Description: LAKE CUSHMAN #2 TR 25 Lead Agency: Mason County I 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 43.21 C.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. MITIGATED MEASURES ARE ATTACHED. Please contact Grace Miller at ext. 360 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 Dept. of Community Development, P.O. Box 279, Shelton WA 98584 by 6/7/2012. Appeal of this determination must be filed within a 14-day period following this final determination date, per Mason County Code Chapter 15.11 Appeals. 5/�v/13 Authorized Local Government official Date C e : D06- Ct/DGCfJ Glvrc. dt5�'- SCogccmiSN I-P6C AM,4AAi Page 1 of 2 SEP2012-00028 MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT Planning Division solo P O Box 279, Shelton, WA 98584 (360)427-9670 MITIGATED DETERMINATION OF NONSIGNIFICANCE (WAC 197-11-350) SEP2012-00028 CONDITIONS OF THIS DETERMINATION 1) Residential developers and individuals shall be required to control erosion during construction. Removal of vegetation should be minimized and any areas disturbed should be restored to prevent erosion and other environmental impacts. 2) Floatation for the structure shall be entirely enclosed and contained to permanently prevent the breakup or loss of the floatation material into the water. 3) Debris or deleterious material resulting from construction shall be removed from the beach area and project site and shall not be allowed to enter waters of the State. 4) Water quality is not to be degraded to the detriment of the aquatic environment as a result of this project. 5) Recreational piers shall be no higher than 11 feet above mean higher high water. Piers and docks shall have at least an eight foot span between pilings. 6) The surface of floating structures shall be a minimum of eight inches about the surface of the water. 7) All floating structures shall include intermittent supports which run parallel to the shoreline to keep structures from bottom. 8) Remnants of original pier and float to be removed. 9) Best Management Practices that have been recommended within the Habitat Management Plan prepared by BioResources LLC, dated 3/12/12, must be implemented throughout construction/installation of proposed dock. 10) Construction to take place as per the Hydraulic Project Approval (HPA) provisions from the Washington State Deartment of Fish & Wildli�e. 11) The WDFW's construction requirements for Construction of freshwater docks, piers and floats and the driving of piling (WAC 220-110-060) shall be strictly adhered to. 12) Manmade debris to be removed from the beach. SEP2012-00028 Page 2 of 2 SEPA CHECKLIST (Mason County Permit Center Use) $385 Single Family 3 - Non-Single Family 0 to 9.99 Acres SEP4"- $755-10 to 20 Acres Zi $945- Over 20 Acres Date Rcvd: $2,525 + 70/hr- EIS (DS) PN: Purpose of Checklist: The State Environmental Policy Act(SEPA), chapter 43.21 C RCW, requires all governmental agencies to consider the environmental impacts of a proposal before making decisions_ An environmental impact statement (EIS) must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information to help you and the agency identify impacts from your proposal (and to reduce or avoid impacts from the proposal)and to help the agency decide whether an EIS is required. Instructions for Applicants: Governmental agencies use this checklist to determine whether the environmental impacts of your proposal are significant, requiring preparation of an EIS. Answer the questions briefly, with the most precise information known, or give the best description you can. You must answer each question accurately and carefully, to the best of your knowledge. In most cases, you should be able to answer the questions from your own observations or project plans without the need to hire experts. if you really do not know the answer, or if a question does not apply to your proposal, write "do not known or "does not apply". Complete answers to the questions now may avoid unnecessary delays later. Some questions ask about governmental regulations, such as zoning, shoreline, and landmark designations. Answer these questions if you can. If you have problems,the governmental agencies can assist you. The checklist questions apply to all parts of your proposal, even if you plan to do them over a period of time or on different parcels of land. Attach any additional information that will help describe your proposal or its environmental effects. The agency to which you submit this checklist may ask you to explain your answers or provide additional information reasonably related to determining if there may be significant adverse impact. There is a fee required,for the processing of the checklist, see above for the appropriate fee. Please make your check payable to"Mason County Treasurer'. A. BACKGROUND 1. Name of proposedproject: 6CL e lub- E S72. ci- F1 2. Name of applicant: `�/����// e� 1 _ �1 Q,- ' �'Q� Property owner: ��1J �i 6 V 1, L•a '.� 4J�6kk_p 3. Applicant mailing address: _ Applicant phone numbers: en 4. Date checklist prepared: 5. Agency requesting checklist: Mason County SEPA Checklist 1 MASON COUNTY ENVIRONMENTAL CHECKLIST MASON CO. ENVIRONMENTAL CHECKLIST A. BACKGROUND I 1. Name of proposed project, if applicable: Gallimore Pier and Float Replacement. 2. Name of applicant: Lake Gallimore LTD Partnership. 3. Address and phone number of applicant and contact person: Kimber Construction, Barbara Sides, PO Box 1450 McKenna WA, 360.458.4240. ` 4. Date checklist prepared: 3-12-12. I 5. Agency requesting checklist: Mason County 6. Proposed timing or schedule (including phasing, if applicable): Work to be completed without phasing. Work to be completed sometime after receiving all required permits. i 7. Do you have any plans for future expansion, or further activity related to or connected with this proposal: if yes, explain. No. M 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. An HMP & an MEP. I 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 building permit, a HPA from the WDFW and Permit from the City of Tacoma. MASON COUNTY ENVIRONMENTAL CHECKLIST 2 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). A 6' x 20' pier and a 8' x 16' float shall be constructed of environmentally friendly materials and will include 6 treated 6x6"posts and two 8" galvanized steel pilings. Four steel pile sleeves and galvanized steel pipe shall be used to construct the float landing and footing. All posts and piles will be augured in by hand and set in concrete. The float frames shall be constructed of treated lumber. The decking shall be constructed of treated lumber or a composite material. A small aluminum ladder shall used for access between the pier and float. To protect against erosion, fasteners or other hardware shall be made of galvanized and/or stai less steel. The floatation will be constructed of foam-filled poly thylene drums. All treated wood shall have undergone one or m re BMP's to minimize leaching of contaminants into the water. Oquipment shall be driven to the site. Materials will be driven to the site. Minimal vegetation shall be disturbed. 12. 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 proposed project site is located on the Westside of Lake Cushman. The legal description is LAKE CUSHMAN #2 TR 24. Section 07, Township 23N, RaTge 04W. B. ENVIRONMENTAL ELEMENTS: 1. EARTH: MASON COUNTY ENVIRONMENTAL CHECKLIST 3 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)? Approximately 40%. 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, gravel, and clay. d. Are there surface indications of history of unstable soils in the immediate vicinity: If so, describe. No. I e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. No filling or grading shall be done. f. Could erosion occur as a result of cl aring, construction, or use: If so, generally describe. WDOE's BMP'is will be followed during construction to protect water quality at the site. g. About what percentage of the site w' I be covered with impervious surfaces after project constructions or example, asphalt or buildings)? The project will add no new impervious surface. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: WDOE's Best Management Practices shall be followed during construction, and the WDFW's HPA provisions shall be strictly adhered to. i 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 MASON COUNTY ENVIRONMENTAL CHECKLIST 4 approximate quantities, if known. Emissions from any equipment use shall be minor. I b. Are there any off-site sources of emissions or odors that may affect your proposal? if so, generally describe. No. C. Proposed measures to reduce or control emissions or other impacts to air, if any: Work to be completed as quickly as possible. 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 strez m or river it flows into. Lake Cushman. 2) Will the project require any wc rk over, in, or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans. Yes. 3) Estimate the amount of fill and dredge material that would be placed in or removed from surface water or wetlands and indicate the area of the site that would be affected. Indicate the source of fill material. No fill will be added or removed from the site. 4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. No. MASON COUNTY ENVIRONMENTAL CHECKLIST 5 5) Does the proposal lie within a 100-year floodplain? if so, note location on the site plan. Unknown, but the proposed project site is on the waterfront. 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. M 2) Describe waste material that will tie 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). Here will this water flow? Will this i ow into other waters? if so, describe. None. 2) Could waste materials enter ground or surface waters: if so, generally describe. No. I d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any: None. MASON COUNTY ENVIRONMENTAL CHECKLIST 6 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 x_ grass pasture 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 vegetationtill be removed or altered? Minimal native vegetation will be disturbed. C. List threatened or endangered species known to be on or near the site. Unknown. I d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: None. 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 Fish: bass, salmon, trout, herring, shellfish, other b. List any threatened or endangered species known to be on or near the site. The marbled murrelet(Brachyramphus marmoratus marmoratus), the bull trout (Salvelinus confluentus), Puget Sound Chinook salmon (Oncorhynchus tshawytscha), the Puget Sound MASON COUNTY ENVIRONMENTAL CHECKLIST 7 Steelhead (Oncorhynchus mykiss), and the Northern Spotted Owl (Strix Occidentalis). C. Is the site part of a migration route? If so, explain. No. d. Proposed measures to preserve or enhance wildlife, if any: None. I 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. f b. Would your project affect the potential use of solar energy by adjacent properties: if so, generally describe. No. I 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. WDOE's Best Management Practices shall be followed during construction to insure water quality at the site. 1) Describe special emergency services that might be required. An ambulance in the event of a construction accident. MASON COUNTY ENVIRONMENTAL CHECKLIST 8 2) Proposed measures to reduce or control environmental health hazards, if any: None. b. Noise: 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? None. 2) What types and levels of noise would be created by or associated with the project on a short-term or a long-term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site. Construction noise will occur for a short time (up to 14 days) during daylight hours. 3) Proposed measures to reducei or control noise impacts, if any" Work to be completed as quickly as possible. 8) LAND AND SHORELINE USE: a. What is the current use of the site and adjacent properties? Residential/recreational. b. Has the site been used for agriculture? If so, describe. No. C. Describe any structures on the site. A single-family residence, a rock and concrete bulkhead, and the remains of an existing failed pier and float are on the site. d. Will any structures be demolished? If so, what? Yes. The remains of the failed pier shall be removed from the beach. e. What is the current zoning classification of the site? Unknown. f. What is the current comprehensive plan designation of the site? Rcu Unknown. MASON COUNTY ENVIRONMENTAL CHECKLIST 9 g. If applicable, what is the current Shoreline Master Program designation of the site? Unknown. h. Has any part of the site been classified as an "Environmentally sensitive" area? if so, specify. Lake Cushman has been designated a shoreline of statewide significance. 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: Bulkheads, PRFs, and shoreline access stairs are normal to waterfront single-family residences in the area. 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: None. MASON COUNTY ENVIRONMENTAL CHECKLIST 10 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 proposed pier and float will not be as tall as the existing bulkhead. b. What views in the immediate vicinity would be altered or obstructed? None. M C. Proposed measure to reduce or control aesthetic impacts, if any: The new pier and float shall be much more attractive than the failed structures. 11. LIGHT AND GLARE a. What type of light or glare will the proposal produce? What time of day would it mainly occur? None. M b. Could light or glare from the finished project be a safety hazard or interfere with views? No. C. What existing off-site sources of light or glare may affect your proposal: None. d. Proposed measures to reduce or control light and glare impacts, if any: None. MASON COUNTY ENVIRONMENTAL CHECKLIST 11 12. RECREATION a. What designated and informal recreatonal opportunities are in the immediate vicinity? Boating, fishing, etc. b. Would the proposed project displace any existing recreational uses? If so, describe. No. I C. Proposed measures to reduce or control impacts on recreation, including recreational opportunities to be provided by the project or applicant, if any: The pier and float will increase recreational opportunities at the site. 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. NIA. MASON COUNTY ENVIRONMENTAL CHECKLIST 12 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. No. C. How many parking spaces would the completed project have? How many would the project eliminate? None. I 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 irr mediate vicinity of) water, rail, or air transportation? if so, generally descr be. 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. MASON COUNTY ENVIRONMENTAL CHECKLIST 13 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 propose 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. Signature: Date submitted: Rev# Description Date TA ENGINEERING,',INC. EXISTING SITE PLAN Gallimore Alan Tahja,P.E. Lake Gallimore LTD Partnership PO Box 235 Peter&Roberta Galhmore „ Hoodspor4 WA 98548 9260 SE 46th St 1 of 5 Mason Co.Pic]No.:42307-50-00024 5 c;Z3 (360)877-9512 Mercer Isl, WA 98040-4408 ~ Q z � 3 I 2 U 2 � � c N — — EC- N N —O i 'X o N W U N 1 3 > O pw ZCV o ° _ � e N � O o c \ CDs O U ?�Ott, V d\ h`D OV 15 4� O N c� C. 0 o O Rev# Description Date TAHJA ENGINEERING,INC. PROPOSED SITE PLAN Alan Tahja,P.E. 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STATE OF WASH GTON DEPARTMENT OF ECOLOGY PO Box 47775 -Olympia, Washington 8504-7775 -(360)407-6300 711 for Washington Relay Service •Persons with speech disability can call 877-833-6341 June 7, 2012 Ms. Grace Miller Your address Mason County is in the Department of Community Development Planning Division _." " PO Box 279 watershed Shelton, WA 98584 Dear Ms. Miller: Thank you for the opportunity to comment on the Atigated determination of nonsignificance for the Gallimore Pier&Float Replacement project(St P2012-00028) located at 291 North Potlatch Drive North in Hoodsport as proposed by Peter and oberta Gallimore, Lake Gallimore LTD Partnership. The Department of Ecology(Ecology) reviewed the environmental checklist and has the following comment(s): SEPA REVIEWER: Sonia Mendoza WATER QUALITY CONTACT: Deborah ornett(360)407-7269 Erosion control measures must be in place prior o any clearing, grading, or construction. These control measures must be effective to pre ent soil from being carried into surface water by stormwater runoff. Sand, silt, clay p icles, and soil will damage aquatic habitat and are considered pollutants when discharged waters of the state. Any discharge of sediment-laden runoff or othe,pollutants to waters of the state is in violation of Chapter 90.48, Water Pollution Coi trol, and WAC 173-201A, Water Quality Standards for Surface Waters of the State of W shington, and is subject to enforcement action. During construction, all releases of oils,hydrau is fluids, fuels, other petroleum products, paints, solvents, and other deleterious materials must be contained and removed in a manner that will prevent their discharge to waters and ils of the state. The cleanup of spills should take precedence over all other work on the site. Proper disposal of construction debris must be n land in such a manner that debris cannot enter Lake Cushman or cause water quality de adation of state waters. All trenches, depressions, or holes created in th D intertidal area shall be backfilled prior to inundation by tidal waters. All stormwater discharges must be constructed in a manner that will not cause scouring on the beach. June 7, 2012 Page 2 Fresh uncured concrete in direct contact with the ater is toxic to aquatic life. All concrete shall be poured in the dry and allowed to cure a inimum of seven(7)days before contact with water. The applicant should consider alternatives to tre ed wood or other chemically treated wood for in-water construction of wooden structures. ver time,treated wood may contaminate nearby sediment and cause toxicity for aquatic o ganisms. Ecology's comments are based upon information pr ided by the lead agency. As such,they may not constitute an exhaustive list of the various thorizations that must be obtained or legal requirements that must be fulfilled in order to carry ut the proposed action. If you have any questions or would like to respond t these comments,please contact the appropriate reviewing staff listed above. Department of Ecology Southwest Regional Office (SM:12-2516) cc: Deborah Cornett, WQ Peter&Roberta.Gallimore, Lake Gallimore LTI Partnership (Applicants) Barbara Sides,Kimber Construction(Contact) From: "Habel, Darren NWS" <Darren.Habel@usace.army.miI> To: Grace Miller<Gbm@co.mason.wa.us> Date: 5/27/2012 9:40 AM Subject: RE: SEP2012-00028 (UNCLASSIFIED) Classification: UNCLASSIFIED Caveats: NONE Hi Grace, From the SEPA, it appears that they will be placing fill (concrete for the posts) waterward of the Ordinary High Watermark of Lake Cushman, a Section 404 Water of the U.S. Can you please forward to the Galimore/Kimber's and advise them they will need to submit a JARPA to the U. S. Army Corps of Engineers for a Nationwide Permit#3 for Maintenance a tivities. Thanks, Darren Darren Habel Project Manager, Regulatory Branch U.S. Army Corps of Engineers Seattle District 206-764-6883 ----Original Message---- From: Grace Miller[mailto:Gbm@co.mason.wa.us] Sent: Thursday, May 24, 2012 12:15 PM To: Habel, Darren NWS Subject: SEP2012-00028 Attached please find first half(21 pgs) of SEPA and Shoreline Exemption for Gallimore/Kimber dock. Second half to follow. Thank you. Classification: UNCLASSIFIED Caveats: NONE f MASON COUN DEPARTMENT OF COMMUNI DEVELOPMENT Courthouse Ann9x P.O.Box 279,Shelton,VGA 98584 (360)427-967 SHORELINE PERMIT APPLICATION PERMrf NO_ c J/7F��Dn1 _OX/1SHORELINE SUBSTANTIAL DEVELOPMENT SHORELINE VARIANCE DATE RECEIVED `1�/ 7/L1 SHORELINE CONDITIONAL USE SHORELINE EXEMPTION The Washington State Shoreline Management Act (RCW 90.58) requires that substantial developments within designated shorelines of the state comply with its administrative procedures(WAC 173-14)and the provisions of the Mason County Shoreline Management Master Program The purpose of this Act and local program is to protect the state's shoreline resources. The program requires that substantial development(any development of which the total cost or fair market value exceeds$5,000.00 or materially intetferes with the normal public use of the water or shorelines of the State be reviewed with the goals,polices,and performance standards established in the Master Program. Answer all questions completely. Attach any additional information that my further describe the pr ed development. Incomplete applications will be returned- T. , APPLICANT: ! -kla 9(�D[/rJ� ADDRESS: 'f� S [a�04 o �LJ (street) (city) (state) (zip) TELEPHONE: - (home) (business) AUTHORIZED REPRESENTATIVE: ADDRESS: (s t)TELEPHONE: �j (city) stat�)t (zip) c l� PROPERTY DESCRIPTION: General location(include property address,water body and assoc aa wetlands—identify th name of the shoreline): 2j A-)- 6-R JQ n Z k ZS� Legal description (include section, township, and range to the nearest quarter, quarter section or latitude and longitude to the nearest minute. Projects located in open wafer areas away from land shall provide a longitude location)—include all parcel numbers: t.L) OWNERSHIP: / Contract Applicant t/ Owner Lessee Purchaser (identify) Other Owner: �t (street) (city) (state) (Zip) DEVELOPMENT DESCRIPTON Development(identify and describe the proposed project includigg the type of materials to be used,construction methods,principle dimensions,and other pertinent :information) a t dog 4u&c( � s Use(identify current use of property with exist improvements: Q� R on for requesting development. V !T,—)le Ir NC6- 46t� ACKOWLEDGEMENT her declare,to the best of m wldd belied the forgping information and all attached information is true correct L4 2- 1Z 1t or4.�4fs�orized 4 (date) ■r■ ■ • • r r ur ••emu a■•r••■ru••■•ruu■u•■■rr■■■r•rr TO BE COMPLETED BY LOCAL OFFICIAL Identify and describe existing features of the site and surrounding area: If proposed structures will exceed a height of 35 feet above the existing grade level,indicate the location of any residential units that will have an obstructive view: If a Conditional Use or Variance is requested,make reference to the appropriate section in the Master Program: REVISED:06-25-03 PciiOxx-STA Foy MASON COUNTY �N DEPARTMENT OF COMMUNITY DEVELOPMENT O A u Planning Division N Y o~ P O Box 279, Shelton, WA 98584 (360)427-9670 1864 MASON ENVIRONMENTAL PERMIT June 12, 2012 GALLIMORE FAMILY PARTNERSHIP 9260 SE 46TH ST MERCER ISLAND WA 98040 Parcel No.: 423075000025 Issued: 6/12/2012 Case No.: MEP2012-00010 Project Description: Replacement of "L" shaped dock and float, total length is 28' beyond OHWM. Replace stationary 8'X20' portion with ladder to 8'X16' floating portion. Structure is supported by 6 treated 6X6" posts and two 8" galvanized steel pilings. The following critical areas are present on this property: Long-Term Commercial Forest X FWHCA Ch. 17.10.060; Ch. 17.01.110; Mineral Resource Lands Frequently Flooded Areas Ch, 17.01.066; Ch. 17.01.090; Inholding Lands Landslide Hazard Areas Ch. 17.01.062; Ch. 17.01.100; Wetlands Seismic Hazard Areas Ch. 17.01.070; Ch. 17.01.102; Critical Aquifer Recharge Erosion Hazard Areas Ch. 17.01.080; Ch. 17.01.104. This permi t, with conditions, is granted pursuant to the Mason County Resource Ordinance (Chapter 17.01 MCC.) Nothing in this permit shall excuse the applicant from compliance with any other federal, state, or local statutes, ordinances, or regulations applicable to this project. This permit may be rescinded if the permitee fails to complete the project as proposed or fails to comply with the standards of this ordinance. I Authorized Local Government Official Date f Mason Environmental Permit 6/12/2012 Case No.: MEP2012-00010 Conditions: 1.) Construction to take place as per Hydraulic Project Approval (HPA) provisions from the Washington State Dept of Fish &Wildlife. 2.) Best Management Practices that have been recommended within the Habitat Management Plan prepared by BioResources LLC, dated 3/12/12, must be implmeneted thoughout construction/installation of proposed dock. 3.) The WDFW's construction requirements for construction of freshwater docks, piers and floats and the driving of piling (WAC 220-110-060) shall be strictly adhered to. 4.) Manmade debris to be removed from the beach. 5.) A Department of the Army permit authorization shall be obtained prior to the performance of any activities waterward of the mean higher high water mark or ordinary high water mark or in wetlands. Please contact Darren Habel at(206) 764-6883 for more information. Information can also be obtained from the US Army Corps of Engineers, Regulatory Branch, P.O. Box 3755, Seattle, WA 98124. 6.) A Hydraulic Project Approval from the Washington State Department of Fish Wildlife must be granted prior to construction. For more information contact Habitat Biologists Gloria Rogers (Freshwater) at 360-249-1293 ext 249. 7.) All other necessary permits from the City of Tacoma/Tacoma Power must be obtained prior to work. 6/12/2012 Page 2 of 2 MEP2012-00010 r U MASON ENVIRONMENTAL PERMIT($630 o $380 /other permit) Mason County Pennit Center Use: E 1520 �" MEP t. D l o� - Il CONDITIONAL USE($ ) HABITAT MANAGEMENT PLAN REVIEW $445 Date Rcvd - MASON COUNTY DEPARTMENT OF COMMUNITY DEVELOPMENT ✓ Mason County Resource Ordinance(Chapter 17.01 MCC) ENVIRONMENTAL PERMIT APPLICATION The purpose of the Resource Ordinance is to protect Mason County's natural resource lands and critical areas and is under the authority of Chapters 36.32,36.70A,39.34,58.17,76.09,84.33, 84.34 and 9058 RCW. PLEASE PRINT 1.PROPERTY OWNER }} 1 f Name:'���� �' 1 Gl h_ Ir` J�� �' t C Mailing Address: ��i ,j�� � �1e��`�f .J, Work Phone: CP mail Address: Home/Cell Phone: ax ' If an agent is acting for the property owner during the permit Mess,complete 92. 2.AUTHORIZED AGENT Name: l� �1�� C0,1 A104 U V-4- Mailing Address: 0 ;3 0 k 1 la Work Phone: inail Address: Home/Cell Phone: # `' r �' �J 3.PROJECT SITE Legal �SiteAddress: 2 !k) )'0rl�f c' '" % �- ` C- �ti'rParcel#: �f"z3 0 - S C) ' i �,� �' ription: , K� ��f �-jet, A 2 f(Z Z� Directions to Site: Aeon 7�y,Kv ` L�C-L— fZ, eo� 't 1 � Z e t �lLv G,�' I EGi V,- Attach a site plan showing the following: Lot Dimensions,Flood Zones,Existing Structures,Fences, C, . Water Lines,Driveways,Drainage Plans,Shorelines,Septic System,Topography,Proposed Improvements,Easements,North Arrow,and Scale. Also draw a separate topography diagram. v3i'�st f 4. State which section requires permit: ❑ Long Terns Commercial Forest,Chapter 17.10.060 ❑ Frequently Flooded Areas,Chapter 17.01.090 ❑ Mineral Resource Lands,Chapter 17.01.066 Landslide Hazard Area,Chapter 17.01.100 ❑ Aquifer Recharge Area,Chapter 17.01.080 ❑ Seismic Hazard Areas,Chapter 17.01.102 ❑ Erosion Hazard Area,Chapter 17.01.104 1 Fish&Wildlife Habitat Conservation Areas,Chapter ❑ In-Holding Lands,Chapter 17.01.062 17.01.110 ❑ Wetlands,Chapter 17.01.070 5. Identify current use of the property with existing improvements: d t4 Pie 6. Identify and describe the proposed project,including the type of materials to be used,construction methods, principle dimensions,and other pertinent information(aMch additional sheets,if needed): 6'x 20' pier and a 13'x 16'float sha11 be constructed of environinen Ata y friendly materials and will include 6 treated 6x6"posts and two 8"galvanized steel pilings. Four steel pile sleeves and galvanized steel pipe shall be used to construct the float landing and footing. All posts and piles will be augured irl by hand and set in concrete. The float frames shall be constructed of lumber.The decking shall be constructed of treated lumber or a composite material. A small aluminum ladder shall used for access between the pier and float. To protect against erosion,fasteners or other hardware shall be made of galvanized and/or stainless steel. The floatation will be constructed of foam-filled polyethylene drums. 7. Describe why the action requiring this permit cannot be avoided_ 8. Will there be an alteration of a wetland and/or wetland vegetation area(circle one)? Yes t 9. Identify any surface wAron or adjacent to property(circle one): l Wetland Drainage Ditch Saltwater !Lake - Stream Pond 10. Identify existing septiclsewer connection(circle one): If septic is located on project site,include records. C�ted to Septic Connected to Community Septic Well 11. Identify existing water supply(circle one): Public Water Supply 11. Type of Job(circle one): j;r ,;� i e(L New Add Alteration Repair Demolition Other: �� Date nti 9" ' �—CJ►l S re rmt Name t Habitat Management Plan Gallimore Pier and Float Replacement Project Lake Cushman, Washington For: Lake Gallimore LTD Partnership Peter& Roberta Gallimore 9260 SE 46tn St Mercer Island,WA 98040-4408 Prepared by: BioResources,LLC Kim Schaumburg Fisheries biologist,University of Washington, 1981 10112 Bay View Rd.KPN Vaughn,WA,98394 (253) 884-5776 or 225-2973 Email: kimberly035 ,,centuiytel.net March 12 2012 Gallimore Habitat Management Plan 2 Table of Contents I. Project Description A. Project Location......... .............. ....................................... 3 B. Project Description........................... ...................................... 3 C. Best Management Practices.................. ........................................ 4-5 II. Species and Habitat Information A. Species and Habitat Information............. .........................................5-6 B. Survey Results................................. ...................................... 6 C. Existing Environmental Conditions......... ......................................... 6-7 III. Effects A. Direct Effects... """ 7-9 B. Indirect Effects............................... ....................................... 10 C. Mitigation....................................... ...................................... .. 10 List of Attac ments 1. Project location.......... ........................................................................ 1 2. Site plan............................................... ........................................... 13 12 3. Detailed site plan.................................... ............................................ 4. Cross Section......... ............................ ............... 14 ....................... 5. Site Photograph............... ................................ ............ 15 6. Site Photograph...................................... ................................ ........... 17 7. Site Photograph...................................... ................................ ............ i Gallimore Habitat Management Plan 3 I. Project Description A. Project Location 291 N Potlatch Drive North,Division 2 t 25,Hoodsport(Attachment 1) Tax Parcel#42307-50-00159 Section 07,Township 23N,Range 04W, .M. B. Project Description This Habitat Assessment Report has been submitted behalf of the Lake Gilmore LTD Partnership to facilitate approval for construction of E replacement pier and float on their Lake Cushman lot(Attachments 2 thru 4). The proposed s ructure will be replacing an existing failed structure. Lake Cushman is regulated under the Mas n 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 ushman as a Shoreline of Statewide Significance. The Act states the necessity of presery ng the natural character,resources,and ecology of the shoreline. This report has been comp ted as per Tacoma Power's requirement of a Habitat Management Plan and a Mason Environme ital permit. The site consists of approximately 65 lineal feet of 1 -bank frontage on a shoreline environment that has been designated Urban Residential by the on County Shoreline Master Program (Attachment 5 thru 7). The parcel supports an existi g single-family residence(SFR)and a rock and concrete bulkhead with beach access stairs. In dition,there is an existing rock and concrete bulkhead and a pier and float on the adjacent pro pe to the west,which is also owned by the applicants. The pier and float shall extend approximately 28' w rward of the existing bulkhead face. The stationary pier shall be 6'(wide)x 20' or 120 square eet. The float shall be 8' (wide)x 16' or 128 square feet. The pier and float shall be constru ed of environmentally friendly materials, including 6 pressure treated wood posts(6 x 6")and 2(8")galvanized steel piles. The posts and piles will be augured in by hand and filled with fibei reinforced Portland cement concrete. The pier and float frames and decking shall be construct of pressure treated lumber and a composite material. All pressure treated wood shall have unde gone one or more BMP's to minimize leaching of contaminants into the water(see BMPs) To protect against erosion,fasteners or other hardware shall be made of galvanized and/or less steel. The floatation will be constructed of encapsulated polyethylene drums. Tte float shall be equipped with a mechanism that prevents it from resting on the lake's bottom d ing low water periods. Four 8"steel pile sleeves(approx.3.5' above beach grade)shall be augured in and set in concrete for the float footing,and 8"galvanized steel pipe shall be used t construct the float landing. Float pilings will be sleeved with white plastic PVC sewer pipe E nd capped with black piling caps. A small aluminum ladder shall be utilized for access betwe the pier and float and installed at the applicant's discretion. All equipment and materials will be driven to the s' e. The equipment may consist of a small track excavator and various hand tools. Work on project is tentatively scheduled to begin after the receipt of all required permits and approva .s. Work will be completed in less than 14 days during daylight working hours normal to a rur 1 neighborhood. Gallimore Habitat Management Plan 4 C. Best Management Practices In order to maintain the present water quality of Lake ushman during pier and float construction,Best Management Practices will be imp mented. BMPs are defined as physical, structural,and/or managerial practices that prevent or educe the pollution of water(WDOE). The following applicable BMPs shall be used to ins that water quality is not degraded by erosion and sedimentation from rainfall at the site. 1 All existing vegetation shall be preserved except where required to be removed for construction purposes. 2)The construction area shall be surrounded by a filter fence,where appropriate,foi sediment control. 3)Equipment shall be cleaned and checked for leaks,offsite and daily,befoi e commencing work. 4)Pressure treated wood used in the project shall undergo one or more o the following BMPs to minimize leaching of contaminants: a)Aqua-Ammonia Steaming Cycle AASC). b)Post Treatment Kiln Drying. c)Minimum Plant Holding Time. d)In-Retort Amin, nia Removal Plus Plan Holding Time. e) ACZA Solution Bath/Rinse Procedure. Pressure treated wood BMW treatment methods shall e verified by providing a signed and dated certification from a third party. The following Spill Prevention Control measures sh I also be followed: 1)The contractor will supply the site with a portable bathroom so that solid or liquid waste will not become a source of stormwater pollution. 2)The contractor shall be resr ansible for alerting the appropriate authorities in the event of a hazardous spill. 3)The c ntractor shall be able to perform basic control,containment,and/or confinement operations ithin the capabilities of the resources and personnel protective equipment available. In other rds,small spills,such as paint or oil,shall be promptly and fully collected and disposed of at a uitable disposal site. In the event of a significant spill,a fish kill,and/or if fish are observe in distress the Washington State Department of Ecology(800.258.5990)and the Was ington State Department of Fish and Wildlife's Area Habitat Biologist,Gloria Rogers(3 .249.1293),shall be notified immediately. The WDFW's construction requirements for cons tion of freshwater docks,piers,and floats and the driving or removal of piling(WAC 220-110 60)shall be strictly adhered to: WAC 220-11 060 Construction of freshwater docks, piers, and oats and the driving or removal of piling. All pier,dock,float,and piling construction project shall incorporate mitigation measures as necessary to achieve no-net-loss of productive capa ity of fish and shellfish habitat.The following technical provisions shall apply to fresh ter dock,pier,and float construction projects and the driving or removal of piling: (1)Excavation for and placement of the footings an I foundation shall be landward of the ordinary high water line unless the construction site is separf ted from state waters by use of an approved dike,cofferdam,or similar structure. (2)Alteration or disturbance of the bank and bank egetation shall be limited to that necessary to construct the project.All disturbed areas shall be p tected from erosion,within seven days of completion of the project,using vegetation or othei means.The banks shall be revegetated within one year with native or other approved woody spec es.Vegetative cuttings shall be planted at a maximum interval of three feet(on center),and m twined as necessary for three years to ensure eighty percent survival.Where proposed,planting ensities and maintenance requirements for Gallimore Habitat Management Plan 5 rooted stock will be determined on a site-specific basi .The requirement to plant woody vegetation may be waived for areas where the potenti 1 for natural revegetation is adequate,or where other engineering or safety factors preclude the . (3)Removal of existing or temporary structures shall be accomplished so that the structure and associated material does not reenter the watercourse. (4)All piling,lumber,or other materials treated with reservatives shall be sufficiently cured to minimize leaching into the water or bed.The use of od treated with creosote or pentachlorophenol is not allowed in lakes. (5)Skirting or other structures shall not be constructed around piers,docks,or floats unless specifically approved in the HPA. (6)Floatation for the structure shall be enclosed and ntained,when necessary,to prevent the breakup or loss of the floatation material into the wat Dr. (7)All work operations shall be conducted in suchJaanner that causes little or no siltation to adjacent areas.If at any time,fish are observed in ess,a fish kill occurs,or water quality problems develop as a result of a pier,dock,float, iling project,construction operations shall cease and the permittee or authorized agent shall idiately contact the department. (8)Removal of aquatic vegetation shall be limited to that necessary to gain access to construct the project. III. SPECIES AND HABITAT I FORMATION A. SPECIES INFORMATION In the proposed project area,there are five species 1 led under the Endangered Species Act by the U.S.Fish and Wildlife Service as either Endangers or Threatened:the Puget Sound Chinook salmon(Oncorhynchus tsha"tscha),the Puget So d Steelhead(Oncorhynchus mykiss),the bull trout(Salvelinus confluentus),the marbled murrelet Brachyramphus marmoratus marmoratus), and the northern spotted owl(Stridex occidentalis). Additionally,the Washington Department of Fish and Wildlife publishes a Priority Habitats and pecies list(PHS)and a Species of Concern (SOC)list. The PHS list includes habitats,species, md species groups considered to be priorities for conservation and management. The SOC list includes only native Washington Fish and Wildlife species that are listed as State Endangered Threatened, Sensitive,or Candidates for these designations,or Federal Endangered,Threatei ied,Candidate,or Species of Concern. The Cascade frog(Rana cascadae),Van Dyke's sa amander(Plethodon vandykei,the tailed frog (Aascaphus truez),and the Western pond turtle(CI mys maramorata)are ESA listed Species of Concern that could be found in Lake Cushman or s eams that confluence with it;however,the pond turtle was essentially extirpated in the Puget 1 wlands by the 1980's(WDFW 1999), so it is doubtful that the species would be found in the act n area. The Washington State Department of Ecology(WDOE)and Washington Department of ish and Wildlife(WDFW)GIS maps reveal the documented presence of three other species of adromous salmonids on the State's PHS list Gallimore Habitat Management Plan 6 within the action area:the Puget Sound coho salmon, a Puget Sound/Strait of Georgia chum salmon(Oncorhynchus keta),and the Puget Sound/C stal cutthroat trout(Oncorhynchus clarki clarki). The presence of these three species has been ocumented in Lake Cushman. The WDFW reports that the 2002 Stock Status of Southw t Hood Canal coho and the West Hood Canal Fall Chum are Healthy. WDFW data also revs that Lake Cushman was stocked with 23,896 cutthroat trout in 2005 and 205,800 Kokanee andlocked sockeye salmon)in 2004. A WDFW biologist reported that other species that inh it the lake include landlocked Chinook salmon and rainbow trout,as well as non-native large nouth bass(Micropterus salmoides). In addition,Mason County publishes a species of imf ortance list. The species most likely to be found in the proposed project area include the Chino salmon,bald eagle(Haliaetus leucocephalus),common loon(Gavia immer),Brand Is cormorant(Phalacrocorax penicillatus), great blue heron(Ardea herodias),hooded merganse (Lophodytes cucullatus),harlequin duck (Histrionicus histrionicus),and purple martin(Progn subis). Conservation measures proposed in this report are expected/intended to minimize impg cts to listed and/or unlisted species that may inhabit or utilize the proposed project site. B. Survey Results A field investigation was conducted on March 8,2012 at approximately 2pm in the afternoon. The project area was surveyed visually on foot. The weather was sunny,the wind calm,and the temperature around fifty-five degrees Fahrenheit. The proposed project site is located on a small,deve oped waterfront lot on the east side of Lake Cushman. The existing SFR is located approximate 50 horizontal feet and 10 vertical feet from the property the shoreline. Between the residence and the shor+el a P lerty is moderately vegetated with native species and ornamentals. The substrate in lake's littoral zone,which is the nei r shore area where light penetrates to the bottom,consists primarily of sand,gravel,cobble,a kd clay. The slope along the littoral zone is relatively gentle for Lake Cushman. No macrophyti is or fish were observed. A small amount of algae was observed. The following native species were observed at the s e: Douglas-fir(Pseudotsuga menziesii), western hemlock(Tsuga heterophylla),Western re cedar(Thuja plicata),Red alder(alnus rubra),evergreen huckleberry(Vaccinium ovatum) red huckleberry(Vaccinium parvifolium), salaI(Gaultheria shallon),Oregon-grape(Berberis ervosa),and sword fern(Polystichum munitum). C. Existing Environmental Condition The environmental baseline represents the existing of conditions,to which the effects of the proposed action are then added. The environmen baseline is defined as"the past and present impacts of all Federal,state,and private actions an other human activities in the action area,the anticipated impacts of all proposed Federal project in the action area that have already undergone formal or informal section 7 consultatio i,and the impact of state or private actions which are contemporaneous with the consultation 1 rocessI'(50 CFR 402.02). Before the Gallimore Habitat Management Plan 7 completion of two dams in 1926 and 1930,Lake Cus an was a natural oligotrophic lake with a mean depth of 200 feet. Now Lake Cushman is 4,01 acre water body in the Olympic National Forest,having been altered in size to accommodate th hydroelectric dams. The proposed project site is located on a rural lot witIJ approximately 65 feet of frontage on Lake Cushman,in an area classified as an Urban Residenti shoreline environment by the Shoreline Master Program of Mason County. Much of the sho line in the neighborhood has been developed with single-family residences(primarily u lized as vacation cabins)and bulkheads. Neighboring properties also support shoreline access fairs and docks. Besides shoreline hard- armoring,beach access stairs,and PRFs,it can be ass med that the existing environmental conditions in the area have been degraded by organic and inorganic pollutants,deforestation, fishing,and other anthropogenic changes that accoml any urbanization. III. Effects of the Action A. Direct Effects Direct effects are the immediate effects of the projec on the listed species and their habitats (FWS&NMFS 1998). The direct effect to the prop sed project site will be the construction of a replacement pier and float on a lake that is habitat fl three previously discussed ESA listed salmonid species. Direct effects to the shoreline include: 1)The loss benthic habitat from the installation of pressure treated posts and steel piles. 2)Contaminal on of Lake Cushman from the leaching of wood preservatives. 3)Shading from the pier and fl W. 1)The footprint of the posts and piles for the pier,Its t,and float landing will be located well landward(approx.between 730 and 720 feet)of thke's low water mark of 690 feet. Some benthic aquatic invertebrates at the project site wilimpacted by substrate disturbance and displacement when the piles are installed,which cd result in reduced feeding opportunities for juvenile salmonids. However,the footprint of the and piles will only disturb approximately twenty-four square feet of lake bottom(four of thests will be located landward of the existing bulkhead at the site),which is expected to have anignificant impact on the benthic invertebrate population in the area. Note: due to the seasonal fluations of the lake's water level, it is probable that benthic species do not thrive in the nshore areas of the lake that lack permanent water. No empirical evidence was found to docurn nt if both terrestrial and aquatic species utilize the upper shoreline habitat,or if it has been altered to support normal(or any) concentrations of either species. 2)The leaching of wood preservatives is a commof contaminant-related issue with the construction of shoreline SFR appurtenances. AC2 A pressure treated wood is more prevalent on the west coast because it effectively treats Douglas ir,contains copper,zinc,chromium,and arsenic. The main active ingredient of concern for ffects to fish is copper.Environmentally realistic concentrations of free copper are noted to pact the resistance of fishes to disease,cause hyperactivity,impair respiration,disrupt osmoregu ation or impair olfactory performance(NOAA 2009). The latter impact is caused by lower concei trations of dissolved copper. The majority of projects proposing to use treated wood are smaller ban the 100 piling size which predicts potentially problematic water column concentratio As of copper at current velocities of 1 cm/sec or Gallimore Habitat Management Plan 8 less(NOAA 2009). Also,ACZA leaching rates were very low in fresh water within ten days of installation(Brooks 1995,NMFS 1998,Hutton&Samis 2000). A boardwalk study(FPL 2000)was conducted in Ore on on a 1,800 foot long boardwalk, constructed in a wetland area from three different cop r treated products,to evaluate the product's environmental effects. The environment w slow moving freshwater,with fine grained sediments and heavy rainfall(NOAA 2009). & localized pattern of distribution indicated that the majority of leached copper was bound to sus nded materials that settled into the sediments(NOAA 2009). Monitoring of leaching fo d that the greatest amount leached during initial rainfall(NOAA 2009). Four invertebrate sam ing events were conducted at the AZCA site over a one year period to detect potential adverse ffects. Results did not show a significant reduction in habitat quality,and no taxa were extirpa d from the study area,despite elevated concentrations of copper near the boardwalk(NOAA 2009). it is unlikely that leaching from treated wood will hai re a noticeable impact on aquatic life in Lake Cushman at the proposed project site,given the following: a)The majority of pressure treated wood that will be used in the proposed projec will seldom or never be directly exposed to the waters of Lake Cushman. However,rain that fall;on all treated wood utilized in the proposed project will drain directly into Lake Cushman,causir g an unknown level of water and sediment contamination. b)The project is smaller than the 101,piling size which predicts potentially problematic water column concentrations of copper current velocities of 1 cm/sec or less.c)All pressure treated wood used in the proposed project s all be sufficiently cured to minimize leaching of contaminants into the water. 3)The pier,float,posts,and pilings will cause a redi ction in light to the underlying aquatic environment,creating a light/dark boundary that may give piscivorous species an advantage over their prey. However,there is little empirical eviden in the freshwater environment to support this conclusion. The use of over-water structures in western Washington waters by bass,a common,non-native predator of juvenile salmonids has been documented by several authors. Largemouth bass in Lake Washington prefer areas o F heavy log and brush cover over other habitat types;however,they are commonly found ui der docks in early spring and are thought to be present until late summer(Stein 1970). Substratc type typically determines the acceptability of an area for bass spawning,but adjacent cover anj structural complexity are also necessary for protection while the fish are concentrated in shallo water(Stein 1970;Cooper and Crowder 1979;Helfman 1981 b;Pflug and Pauley 1984). Tht substrate type in the vicinity of the proposed pier and float is sand,gravel,and cobble. Largemot th bass prefer moderate to dense vegetation and silt or sand substrate,and nests are constructed depths from 0.6 to 1.5 meters, in vegetated areas with soft sediment or gravel substrate on mod rate to steep slopes(Pflug 1981). The proposed project site possesses two of the above ha itat features--substrate and a moderate slope—but the dock will not see water until late spr g,so it is doubtful that the pier and float will increase the concentration of bass at the site or the currence of juvenile salmonid predation by bass. Data suggests that other fish species,includ' salmonids,are also attracted to the shade produced by over-water structures,so it is possible hat adult salmonids could prey on juveniles. However,researchers have indicated that structural omplexity can moderate predator-prey interactions by providing more refuges for prey s ies as well as reducing the foraging efficiency of the predator(Cooper and Crowder 19 ). This moderation may apply to naturally occurring structural habitat complexity,as well as t abitat complexity due to the presence of docks,piers,boathouses and associated pilings( FW,WDOE,WSDOT 2001). Gallimore Habitat Management Plan 9 Shade can also affect migrating salmonids. It is not ki own 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 pi Dduced by the object not tactile stimulus. While the effects of shade on migrating juvenile salm nids in lakes is unknown,it is also unclear in marine waters,and there is no empirical evidence o mortality. The significance of predation to migrating populations has never been empirically a sessed(Simenstad et al. 1999). No studies have examined mortality due to predation much less at mortality is attributable to overwater structures(Nightingale& Simenstad 2001). The presence of the proposed pier and float may also dversely affect existing macrophyte vegetation,potentially altering predator-prey interac ' ns,particularly those in which largemouth bass plays a role(WDFW,"OE,WSDOT 2001). Lake Sammamish,largemouth bass have been shown to prefer moderate to dense vegetation silt and sand substrate(Pflug 1981). The proposed project site supports no existing macrophyt vegetation and has no potential to support macrophyte vegetation,due to the lake's(anthropoge ic)seasonal water fluctuations.In addition, White(1975)determined that phytoplankton primary roduction is not significantly reduced by narrow residential piers,due to the presence of more ptimal light conditions than found in surface waters,where light intensities are higher th those in which algae thrive. In conclusion,shade created by the proposed pier an( float is expected to have discountable and insignificant direct effects on salmonids that may be n the action area. Temporary direct effects caused by the proposed prql ect include: 1)Sedimentation and/or siltation,and turbidity in Lake Cushman. 2)Noise. )Water pollution from incidental release of fuel,oil,or other contaminants. 1)Disturbed substrate from the installation of the pi and float may result in increased turbidity and sedimentation and/or siltation,which might effe the migration of juvenile salmonids along the shoreline by creating a temporary barrier in the I oral zone. Juvenile salmonids are mobile, so it is possible that they will avoid the area of di stu ance and not be impacted. salmonids have been observed to move laterally and downstream to void turbidity plumes(Sigler et al. 1984, Lloyd 1987, Scannell 1988). Gregory and Northcot (1993)suggested that turbidity could be used as a protective cover by juvenile salmon. As p viously discussed,BMPs will be strictly adhered to during construction in order to maintain a present water quality of Lake Cushman and prevent runoff and pollution. In addition,the posed project will take place when the water level in the lake is low,so it is probable that rainfall will slowly disperse any disturbed substrate before it comes into direct contact with the lake wat r. Therefore,it is expected that turbidity, sedimentation and/or siltation will be minimal. 2)The main source of construction noise will be fr trucks delivering constriction materials and the hand excavating of holes for the posts and les. The project site is located in a rural neighborhood adjacent SR 119, so it is expected tha the noise will not be more excessive than noise normal to the neighborhood. 3)Potential water pollution from accidental release f fuel,oil,or other contaminants is another possible temporary direct effect. As previously di ussed, Spill Prevention Control measures and BMPs shall be implemented during the proposc J project. Gallimore Habitat Management Plan 10 B. Indirect Effects Indirect effects are those effects that are caused by or ill result from the proposed action and are later in time,but are still reasonably certain to occur( iO CFR 402.02). Possible indirect effects from the proposed project include: 1)The loss of sho veline aquatic vegetation. 2)Potential increased motorized boat presence in the area. 1)The pier,float,posts,and pilings will cause a redu ion in light to the underlying aquatic environment,which can have significant impacts on t ie health and productivity of both native and non-native macrophytes and algae. Macrophytes and algae are the foundation for most freshwater food webs and their presence or absence a fects many higher trophic levels(NMFS 2004). It is expected that the impact of the lake's flu ating water level on littoral productivity will overshadow the impacts of shading from the P at the proposed project site. As previously discussed,White(1975)determined that phytoplankt n primary production is not significantly reduced by narrow residential piers,due to the prese of more optimal light conditions than found in surface waters where light intensities are hi er than those in which algae thrive. 2)The pier and float may result in an increased moto ized boat presence in the area. Fuel spills from powerboats can contaminate water quality and I otentially affect listed salmonids directly or indirectly through their prey source(NMFS 2005). 1 Dwerboats also create amplified wave action that can erode the shoreline,and prop scouring canInber de benthic habitat,although benthic habitat in the littoral zone is already significantly margina by the lake's fluctuating water levels. Powerboats also provide some oxygenation of surfwaters,although the extent is probably negligible at best. Overall,the indirect effects of prboat usage on Lake Cushman is likely insignificant due to the lake's large size,the small of boats that access the remote lake, and the short boating season(primarily May thru Sel itember). C. Mitigation 1.Construction to take place as per the HPA provisi ns from the Washington Department of Fish and Wildlife. 2.The WDFW's construction requirements for cons ruction of freshwater docks,piers,and floats and the driving or removal of piling(WAC 220-110 060)shall be strictly adhered to: 3.Previously discussed BMPs to be strictly adhered to. 4.Manmade debris to be removed from the beach. Gallimore Habitat Management Plan 1} Attachment 1 Vicinity Map. N Lake Cushman Rd 119 NF 24 N Lyk2 C1ySh��Rd N Nt Church.Dr , a Z Wyrt�Pic N�a1 Forest O � ti GgLI➢AORE SFR N^ 29t NPOTLATOi OfiNE N ?OYralcfi Df Gallimore Habitat Management Plan 12 Attachment 2 Site Plan(NTS). Rw a P % TAHlA GINEERItYG C. $REPLACEIKE�JT PLCJAT&PffiR FYe ;"Gallimom i A1sn Takla hfP Lake Gallimom LTD Permer, -- PR Box 235 9peter&Roberts 26tt SE rietlimom -- — — Hoodwort, WA 98548 3 o£5 Massa Ca.Prc!1F:o.•42307-50-0Q024 �'. (360)877-9512 Merdoff Isl.WA 98040.4408 •'�`J,SOIt `�3'f 2G +•� l y RL zi f m ` � t x 7 _ _ as a t I� L. � 1 tl p � f r ;�;. Gallimore Habitat Management Plan 13 Attachment 3 Detailed site plan(NTS). __ a P[ER DET.4FZ.5 t raltuaore; L Gaf7irzrore L T27 P+ erst+i{s Alm'tahja PE. Peter&Roberta Gails`avore ' W A 9854A 316f1 S6 46th S; 4 of5 4ferdeer J%i WA 48"1-408 sfawn Ca.Prcf Nur 4230i ai=• .M S 4 C 14 1 4 -=----T•µ-''me i. ;,;.• � �% vw ti r< _ 57 af,A f - - va 4 vY 4� Gallimore Habitat Management Plan 14 Attachment 4 Cross section (NTS). ev# s Assdynon �!TAHJA ENGINEEIZL�r tNC. SITE PLAINT t raltemurc -- , Alan T'abjn,F.E. Lake Gallimore LTV Par0=shtp __„—.-- i PO Eton 235 Pew&Roberta Galliimorer - Ifoodsport WA 98548 9260 SE 46th St S 05 a— (360)E 7 9512 Mertlrc7lsf,WA 48040.440E .t Masao Co.Pm11Ya.:42307 50-0002__� / 2 0 j A �.a.S J t OEM F 1 _ X t a I 7 t� Gallimore Habitat Management Plan 15 Attachment 5 The shoreline at the site showing the location of the failed dock. r . i" A ¢. ,a y a 4:• Gallimore Habitat Management Plan 16 Attachment 6 The shoreline at the site showing the remanents of the original dock. • r er t Y S kr q # S . ISP t± R� Gallimore Habitat Management Plan 17 Attachment 7 The shoreline at the site showing the neighboring doc to the south and the remnants of the existing failed dock's footing. � III s1F..i* ANNING -- KIMBER CONSTRUCTION &HOMES P.O. Box 1460 McKenna,WA 98668-1460 $60.456-4240-Office-Pierce County 36045"633-Fax SCOPE OF WORK Lake Gallimore Family Partnership Peter and Robert Gallimore Pamela Gallimore-Wong & David Gallimore JOB: DOCK REPLACEMENT— FIXED &FLOATING @ 291 N Potlatch Drive N, Hoodsport, WA 98548 Item Description LABOR AND MATERIALS TO PERFORM THE FOLLOWING: IAII wood portions of existing docks have already been demolished and removed by Homeowner, and existing concrete has been removed as well; #1 1. Construct a fixed dock that will be 6' wide by 20' long and a floating dock that will be 16' wide x Dock deep in an "L" configuration as follows: Replacemen Fixed Dock: 2. Hand dig six(6) 2' x 2' x 4' holes; 3. Fill holes with concrete and install 6" x 6" p st connectors; 1. Construct a 6' x 20' fixed dock; 2. Posts will be 6" x 6"treated outdoor lumber, 3. Beams will be 6" x 6"treated outdoor lumber; 4. Joists will be 2" x 8" treated outdoor lumber; 5. Posts and beams will be bolted together; 6. Joists will have all necessary joist brackets and hurricane ties; 7. Deck posts will be wrapped with 2" x 6" treated material to block logs from getting underneath dock; 8. Use of blocking will be done between joists to strengthen dock and will be wrapped with 2" x 12" treated material; 9. Decking will be picture framed and decked with Timbertech composite decking. Main portion will be cedar color Timbertech and picture frame will be Tropical Walnut Timbertech — picture framing will be one board wide (6"); 10. Decking will be screwed down with like color composite screws; 11. Deck will be wrapped with Timbertech Tropical Walnut composite fascia; 12. Install aluminum 7-step, black powder coated, ladder to match existing ladder on opposing dock, for access from stationary dock to floating dock; Floating Dock: 13. Hand dig two (2) 2' x 2' x 6' deep holes for floating dock pilings; 14. Install two (2) galvanized steel pilings 8" it diameter; 15. Pilings will be set into holes, filled with rebar then poured with concrete; 16. Pilings will be installed inside perimeter of dock with marine piling/roller holders; 17. Pilings will be sleeved with white plastic PVC sewer pipe; GaAimore - Scope of Work LANiz , Page 2 18_ Pilings will be topped with black piling caps; 19. Bolts will be installed in concrete pads; 20. Galvanized steel pipe will be used to construct floating dock landing; ?4_ QAams and joists will be 4° x 10' treated materials and will be bolted together with galvanized '/," plate brackets; 22. 2" x 8" blocking will be used to strengthen dock, along with seismic strapping; 23. Nine (9) 24"' x 48" x 12" poly float drums will be installed under dock and secured with lag screws to provide floatation; 24. Dock will be picture framed (one board wide — 6") and decked with Timbertech composite decking same as fixed dock; 25. Decking will be screwed down with like color composite screws; 26. Outside perimeter of dock will be wrapped with Timbertech Tropical Walnut composite fascia; 27. Floating dock will have four(4) black corner bumpers; 28. Floating dock will be wrapped with heavy duty black dock edging; 29. Two(2) 8" safety cleats will be installed on floating dock; 30. One (1) 8" safety cleat will be installed below black bumper, on fascia, on harbor side of 8' section of floating dock — actual placement of this cleat will be determined by homeowner after construction of dock; 31. Install a 3-step aluminum ladder off floating dock for water access where indicated by Homeowner -—actual placement of ladder will be determined by homeowner after construction of dock. 32. Install buoy; 33. Construction debris removal and disposal; 'f