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SHX2018-00002 SEP2018-00003 GEO2018 BLD2017-01231 - SHX Permit / Conditions - 7/18/2013
ATE MASON COUNTY °� Department of Community Services 1(1864 N Planning Division = 615 W Alder St, Shelton,WA 98584 (360)427-9670 �O Exemption from Shoreline Management Act Case No.: SHX2018-00002 Substantial Development Permit Requirement The Proposal By: TIM SEBRING 9901 BRODIE LN #160-722 AUSTIN, TX 78748 Parcel Number: 423315001023 Site Address: 1110 W CUSHMAN RIDGE DR SHELTON To undertake the following development: DEMO, REMOVE AND DISPOSE OF EXISTNG PIER AND FLOATING DOCK (PILES WILL REMAIN IN PLACE).. CONSTRUCT NEW PILES REED BEHIND EXISTING BULKHEAD, CONSTRUCT NEW PIER AND DOCK USING EXISTINLOCATE EXISTING SWIM FLOAT TO PARCEL (FOR BLD2017-01231) 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: B-normal maintenance Please contact Kell Rowen at ext 365 if you have any questions. Issued:1/29/2018 Authorized Local Government Official January 29, 201 f SHX2018-00002 x 3628 South 3511 Street - Tacoma,Washington 98409-3192 TAC 14121 POWER TACOMA PUBLIC UTILITIES TACOMA PUBLIC UTILITIES August 9, 2019 Wes and Jennifer Skenfield VIA EMAIL and USPS 918 S Horton Street#1022 Seattle, WA 98134 SUBJECT: Approved: Engineering Plan for Reconfiguration of Structures Not Built to Approved Specifications RE: Lot 22 &23, Westside 1, Block 1 of Lake Cushman Dear Mr. and Mrs. Skenfield, Tacoma Power has received the enclosed updated engineering plans by Steven Morta, P.E., dated August 2, 2019, from your contractor, Integrated Northwest Construction. The purpose of the plans is to show how you will bring your recently constructed shoreline structures into compliance, as outlined in the May 22, 2019 "Review of Reconfiguration Plan for Structures Not Built to Approved Specifications" letter from Tacoma Power. Tacoma Power has reviewed the plans and agrees that the reconfiguration plan, once implemented, will adequately address our concerns and bring the structures into compliance with Tacoma Power's Shoreline Management Plan. Enclosed is a letter allowing you to proceed with the required regulatory permitting. Next Steps: 1. Applicant: Apply for regulatory permits. You must apply for the required regulatory permits from Mason County and the Washington Department of Fish and Wildlife (WDFW), and the US Army Corps of Engineers (ACOE)for your proposed reconfigurations and additions, as well as after-the-fact permitting for the work that was completed without the required permits. Once received, you must provide copies of obtained permits to Tacoma Power to satisfy this requirement. 4. Tacoma Power: Upon receipt of copies of the required Mason County and WDFW permits for the reconfigurations and additions, Tacoma Power will issue a short-term license allowing the work to occur. 5. Tacoma Power: Upon receipt of copies of the after-the-fact ACOE permit, and confirmation that the reconfiguration and all required additions were completed to permitted and approved specifications, then Tacoma Power will issue you a 5-year SUP for the compliant structures and uses. Skenfield August 9, 2019 Page 2of2 Tacoma Power continues to expect that you and your contractor will work in good faith to resolve these compliance issues as quickly as possible. Please see to it that application is made for the required regulatory permits no later than August 26, 2019. If you have questions or concerns, please contact me at (253) 441-4180 or via email at wwright@cityoftacoma.org. Sincerely, V'— Wynna�ht Shoreline and Lands Coordinator Enclosure c: Dori Bishop, Sr. Real Estate Specialist, City of Tacoma Bret Forrester, Wildlife and Lands Manager, Tacoma Power Integrated Northwest Construction Lake Cushman Company Lake Cushman Maintenance Company Mason County US Army Corps of Engineers WA Department of Fish and Wildlife Kyrra Wilson, Wildlife and Recreation Lands Officer, Tacoma Power 3628 South 35`"Street Tacoma,Washington 98409-3192 T C0M A POWER TACOMA PUBLIC UTILITIES TACOMA PUBLIC UTILITIES August 9, 2019 Wes and Jennifer Skenfield VIA EMAIL and USPS 918 S Horton Street#1022 Seattle, WA 98134 SUBJECT: Skenfield After-the-Fact Permitting and Reconfiguration of Shoreline Structures on Tacoma Power Property (WS1 Blk1 L23) Dear Mr. and Mrs. Skenfield: The City of Tacoma, Department of Public Utilities, Light Division (Tacoma Power)was recently contacted to review updated engineering plans by Steven Morta, P.E., dated August 2, 2019, from your contractor, Integrated Northwest Construction, for the reconfiguration and after-the- fact permitting of recently constructed shoreline structures on Tacoma Power property fronting your development lot 23, plat of Lake Cushman Westside No.1 Block 1. The proposed action will require issuance of a short-term license from Tacoma Power before any work occurs on Tacoma Power property waterward of 742-feet elevation, followed by a shoreline use permit once the work has been completed. Tacoma Power has no objection to you moving forward with regulatory permitting for the proposed activity on Tacoma Power property. Please provide a copy of this letter to the regulatory agencies when you submit your plans to them. Feel free to contact me at 253-441-4180 or wwrightp_ci.tacoma.wa.us if you have any questions. Sincerely, t� Wynnae Wright } Shoreline and Lands Coordinator c: Dori Bishop, Sr. Real Estate Specialist, City of Tacoma Integrated NW Construction, Authorized Agent i i j 1 NEW 10" x 16' l,'LOATINGDOCK AND Yx 13' ALUMINUM RAMP I 110 N. Ciishimt" Ridge Dr., Hoodsport, Mason OMON , WA 98-548 (Parcel 4: 42331-50-01023) Prepared for: Wes Skenfield Prepared by: MET Engineering, PLLC 1018 E. Wishkah St. Aberdeen, WA 98520 (800) 590-0958 (360) 289-0958 cell (360) 861-8493 fax Smorta6i-l�aql.coqi Contact: Steven P. Morta, P.E. 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J Z w 1r (� Cl) 0 tC # VO ui¢m N p w or w w=� Q•, U- z OUP '3 Y o CO 05 �s Q 0Y� ®= w�. LU agn¢ a U zoo V M x la LL a 'Zvi o x Q < Ci 3628 South 35`h Street Tacoma,Washington 98409-3192 n n 2018 F „ Wk. m w TACK POWER TACOMA PUBLIC UTILITIES T^C*"& PUBLIC UTILITIES 615 W. Alder lder Street NN�NC November 21, 2017 PL.A VIA EMAIL and USPS Timothy and Jeanne Sebring 1039 Russell Farm Road Collierville, TN 38017-5801 SUBJECT: UPDATED- Sebring Shoreline Structures on Tacoma Power Property (WS1 Blk1 L22) Dear Mr. and Mrs. Sebring: The City of Tacoma, Department of Public Utilities, Light Division (Tacoma Power) was recently contacted to review a shoreline use permit application and associated engineering plans by Steven Morta, dated October 28, 2017, with redline changes on page 4 (see below), for installation of an existing wood swim float on Tacoma Power property fronting your development lot 22, plat of Lake Cushman Westside No.1 Block 1. The proposed action will require issuance of a short-term license from Tacoma Power before any work occurs on Tacoma Power property waterward of 742-feet elevation, followed by a shoreline use permit once the work has been completed. Tacoma Power has no obiection to you moving forward with regulatory permitting for the proposed activity on Tacoma Power property. Please make sure that all permit applications and supporting material reflect the requirements outlined in the November 17, 2017, application review letter. Please provide a copy of this letter to the regulatory agencies when you submit your plans to them. Feel free to contact me at 253-441-4180 or wwright(cr�ci.tacoma.wa.us if you have any questions. Sincerely, Y Wynnae Wright Shoreline and Lands Coordinator Tacoma Power INK Sebring_L22_OKto Proceedwith Reg Permitti ng_1 12017 i ( cc: Dori Bishop, Sr. Real Estate Specialist, City of Tacoma T --Mw— 3628 South 351h Street Tacoma,Washington 98409-3192 TACOMA POWER TACOMA PUBLIC UTILITIES TACOMA PUBLIC UTILITIES November 20, 2017 VIA USPS &EMAIL Timothy and Jeanne Sebring 1039 Russell Farm Road Collierville, TN 38017-5801 Subject: Tacoma Power Shoreline Use Permit Application Review Lot 23, Plat of Lake Cushman WS 1 Block 1 (Tax Parcel No. 42331-50-01023) Reference: Project No. 2017-2071SUP360 Dear Mr. and Mrs. Sebring, Thank you for applying for a Shoreline Use Permit (SUP)for existing shoreline structures and uses associated with your development lot No. 23, Plat of Lake Cushman WS 1 Block 1. As you know, Tacoma Power's Cushman Hydroelectric Project area(Project) includes all lands located waterward of the 742-foot elevation Project boundary. Tacoma Power also retains a 10-foot lateral easement on your leased development lot adjacent to the Project boundary. All structures and uses located waterward of 742 feet elevation, and all structures and fill placed within the 10-foot lateral easement require authorization from Tacoma Power. Tacoma Power has reviewed your SUP application package for conformance with Tacoma Power's Shoreline Use Specifications and Permitting Guidelines (SUSPG) and has the following comments: Items Reviewed: • SUP application dated September 26, 2017 • Engineering drawings by Steven Morta, dated October 28, 2017, and • Tacoma Power Records. 1. Wood Deck. To be removed. As noted in the above referenced drawings, you will remove your existing wood deck and associated supports in their entirety. 2. Dock. Allowed as proposed. As shown in the above referenced drawings, you have proposed to remove your existing pier, ramp and float, save associated piling. You propose to rebuild the pier, ramp and float using the existing piling to meet Tacoma Power standards. Your plans comply with Appendix B Section 2 of the SUSPG. 3. Swim Float. To be relocated.As shown in the above referenced drawings, you have proposed to relocate your existing swim float to the shoreline fronting lot 22. Please see application review letter for lot 22 for more information. 4. Bulkhead. Allowed with conditions. As noted in the above referenced drawings, you propose to remove all of the existing derelict log and gabion bulkhead and construct a small bulkhead on either side of your new dock structure. Conditions: All bulkheads require a geotechnical report and justification per Appendix B Section 4 of the SUSPG. The geotechnical report and justification must be provided to Tacoma Power as soon as possible. Timothy and Jeanne Sebring November 20, 2017 Page 2 of 2 5. Outfall. To be removed. As noted in the above referenced drawings, you propose to remove all existing outfalls from the property. 6. Debris. Not allowed. All existing debris, remnant building materials, concrete, anchors, etc. located waterward of 742 feet elevation must be removed from the property as a requirement of your permit. Next Steps for Applicant: 7. Regulatory Permits. Required. Regulatory permits are required from Mason County and the Washington Department of Fish and Wildlife for your proposed structure reconfiguration. Enclosed please find a letter from Tacoma Power, the land owner, allowing you to proceed with regulatory permitting for your project. Per Section 1 of the SUSPG, copies of the necessary regulatory permits are required before Tacoma Power can issue an SUP. Once obtained, please provide copies of the required permits to Tacoma Power to satisfy this requirement. If necessary, Tacoma's allowable use requirements will be modified to reflect the most stringent requirement of the other agencies. Next Steps for Tacoma Power: 8. Cultural Resources Survey. In Process. A Cultural Resources Survey(CRS) was completed on November 8, 2017. You will receive a letter stating the results and a refund of any unused funds once the report and invoice are provided from the archaeologist. 9. Short-term License. After you have provided copies of the required regulatory permits, Tacoma Power will issue you a short-term license for your project as detailed above. 10. Shoreline Use Permit. Upon verification that you completed the requirements of the short-term license, Tacoma Power will issue a 5-year Shoreline Use Permit for the allowed uses and structures. If you have questions regarding this review of your application, please contact me at (253)441-4180 or via email at wwright(c)cityoftacoma.org. Sincerely, Wynnae Wright Shoreline and Lands Coordinator Tacoma Power WW: cb Sebring_L23_SUPApplicationReview 112017 cc: Bret Forrester, Wildlife and Lands Manager, Tacoma Power Kyrra Wilson, Wildlife and Recreation Lands Officer, Tacoma Power Dori Bishop, Sr. Real Estate Specialist, City of Tacoma Integrated NW Construction, Authorized Agent Sebring 11/21/2017 Page 2 fiFLOAT QEM MTH ANG fWGE To EX7 nW STUMP SCALE.,IV=1 FEET AMEL#`42331uQ-0190221 T d' 6 b' IV 17 14 Iq- MFT tr sp' _- ,. PhR1;.EL M: g C mm IW Dtk STRAW*D VARE i15OitiO7.t 421Y1-A T .� CAME A#TACkEDTO ()OR ERSWAND"CC" Ar�zo�-�T ._Pre-t�rsrT��i.�11�11-F°tttC�c�J�1e1:3'x 3 x�"CLfalCik4x°a1ach7lr YTTR rALV V7 DIA x r IV fOsom f EY£NA( , FWAT ON LOT 22 , A� r D ........ ... I a� 1 a1x tas�1 nit€eta it+ja�sf¢;m�sllal E E� APE ROMATECY !I FEET FROM SPBO e0E C3c;t; Ze, Ut7 i Whsy,,y�x� x ExszmcAr '04- Pur F 3D7Sd.� ^off rt;;T£,Ra ,10NAL i; REFERENCE: LOCAMN RtcY ACE EXt87N FA.CAAtrFafi>UKXX#. APPJCANT T1 Y Y(, $RiNC i 4Y331.5p-0ttt?.2b Li 47 og 2V IE-N 7 T23 ckl W 8`W hMA#`,SFATtgP10.RV PtER AC55{i AN ICAP ADJACENT PROPERTY WI ER& �tKOiKirFhiN,W-W Wuo T'I.^ t.IN G""i `,4?�C.i�` "`7GIS�iL{,F� '�?,31t 50-ayxµl PASS.OF4 DATE QU28—VII + MASCtN,STi,3MM q A 2, #A�BAJF rwiE BAtN'.h:�+�' R Y+ AT'ti1:9.952?I . t PLANNING US Army rps WASHINGTON STATE Ut=.0 SeaiNe friatrlet //� / j Joint Aquatic Resources Permit Application (JARPA) Form1,2 USE BLACK OR BLUE INK TO ENTER ANSWERS IN THE WHITE SPACES BELOW. / / /%11 //N11 Part 1—Project Identification /14YAR 1 1110 4�Mamffll Sebring Bulkhead, Pier, and Float Part 2—Applicant The person and/or organization responsible for the project. [t�eL!d ME We"....................... AIM Sebring,Timothy ffism"m RUN �'ii 9901 Brodie Lane#160-722 / Ell Austin,TX 78748 pmnffi� / 1111111/10/ 7/M///I (214) 725-9594 tjsebring@gmail.com 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(BPIF)or prepare a Biological Evaluation. Forms can be found at rr p rerrr nws usace a my mil/Missions/CivilWorks/Regulatory/PertnitGuidebook/EndangeredSpecies.as x.• 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 http://Www.ei)ermitting.wa.gov/Site/alias resourcecenterflaroa larva form/9984/iaroa form.asp For other help,contact the Governor's Office for Regulatory Innovation and Assistance at(800)917-0043 or help(aaoriama.goy. Page 1 of 14 ORIA-16-011 f 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.) of eM Valdeman, Caralyn Integrated NW Construction,LLC PO Box 1008 EXIMMEL &EMEMEMEM Hoodsport,WA 98548 253-888-5314 ext 1 206-310-4239 caralyn@integratednwconstruction.com 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. [help] ® 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 DARPA Attachment A 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 JARPA Attachment E to apply for the Aquatic Use Authorization. MMOMMUMME T`0.tC1YVL.� "Mionommmi, \10\010M MOMMEMERM 01m 3U 2E> 5 . 354*1^ G+- c-a.e.,cv.,� wi- aig/Ltooj ORIA-16-011 Page 2 of 14 Part 5—Project Location(s) Identifying information about the property or properties where the project will occur. [helpi ❑ There are multiple project locations (e.g. linear projects). Complete the section below and use JARPA Attachment B for each additional project location. ® Private ❑ Federal Publicly owned (state,county,city,special districts like schools, ports,etc.) 1—PVl Tribal ❑ Department of Natural Resources (DNR)—managed aquatic lands (Complete JARPA Attachment E) Ell F/ 1110 & 1060 N Cushman Ridge Dr(double lot under the same homeowner) VIIA11" MEMO, Hoodsport,WA 98548 Mason 31 23N 4W 47 deg 25' 15"N 123 deg 14' 0"W IN ROM 42331-50-01023 and 42331-50-01022 Lake Cushman Cabin LLC 1805 bavis Ave S 42331-50-91244 C/O Patrick Moran Rehtori;-WA-98055----------------------------------- Paul and Marjorie Baumgaertner 1136 NW Sunlit Lane 42331-50-01021 ..........----------------------- ------------------------------- ------------------------------------------------------------------------- Bremerton,WA 98312-4576 ................... ---- -------------------------------------------------------------- ----------------------------------------------- ------------------------------------------- ..................................... -------------------------------------------- ORIA-16-011 Page 3 of 14 r , N/A MINE Mal a I I M M Lake Cushman ® Yes ❑ No ❑ Don't know Site is heavily vegetated with native vegetation. U ow the p Residential/Recreational Residential/Recreational The proposed project site is located in a residential neighborhood. The current structures include a SFR with attached deck, detached deck with hot tub,pier,floating dock, swim float, and treehouse. MW\W\ � p approximately 10 miles north of Shelton; Turn L y From Olympia, proceed N on 101 a on Skokomish Valley Rd; Travel approximately 9 miles to NF-23 and turn R on NF-2340. Drive about 4 miles and turn R onto W Makinaw Rd. Proceed forward, and W Makinaw turns into N Cushman Ridge Dr; Property is on the right. ORIA-16-011 Page 4 of 14 Part 6—Project Description WE Demo, remove, and dispose of existing pier and floating dock(piles will remain in place). Construct new bulkhead behind existing bulkhead. Construct new pier and dock using existing piles. Relocate existing swim float to parcel -01022. eris We site exhibits erosion damage that is common tote a eCushmanshoreline. a primary cause o this erosion an snore ine instsonal raising and lowering of Lake Cushman,a reservoir with two functioning dams,and the lake's unique landscape features, incl , nnatural lakebed topography that lacks a shallow foreshore to diminish wave energy generated by strong prevailing winds and approx.eight miles of fetch,and a steep terrestrial shoreline that receives an average of approx,100 inches of rainfall per year.As a result,the bluff is in danger of suffering mass wasting(e.g.a slide)and needs to be protected.Additionally,the existing pier and float are poorly constructed and unsafe.The applicants wish to extend the life of all of their existing shoreline structures,making them safer for both humans and the environment.Therefore,the project objective is to install a bulkhead to protect their existing single-family residence and to replace the existing pier and float with a smaller,grated pier and float,all-thewhile avoiding or minimizing impacts to ESA-listed species and improving shoreline habitat at the site. ❑ Commercial ® Residential ❑ Institutional ❑ Transportation N Recreational ❑ Maintenance ❑ Environmental Enhancement PAN a I/. ❑ Aquaculture ❑ Culvert Float ❑ Retaining Wall ElBank Stabilization ElDam /Weir ElFloating Home (upland) ❑ Road ❑ Boat House ❑ Dike/ Levee/Jetty Iq Geotechnical Survey ❑ Scientific ❑ Boat Launch ❑ Ditch ❑ Land Clearing Measurement Device ❑ Boat Lift ® Dock/ Pier ❑ Marina / Moorage ❑ Stairs ❑ Bridge ❑ Dredging ❑ Mining ❑ Stormwater facility M Bulkhead ❑ Fence ❑ Outfall Structure ❑ Swimming Pool ❑ Buoy ❑ Ferry Terminal ❑ Piling/Dolphin ❑ Utility Line ❑ Channel Modification ❑ Fishway ❑ Raft ❑ Other: Page 5 of 14 ORIA-16-011 f , s per engineered design by Steven P.M(rta, bulkhead a constructed behind the existing bull I ieacusing x8 as an ye ow cc ar posts an 3x12 face boards.A 17.5'x 6'pier and 10'x 16'floating dock will be constructed using Alaskan yellow cedar,Thru-flow grating,and encased Styrofoam billets(float only).A pre-fab aluminum 3x10 ramp will be installed and connected to the pier.All hardware and brackets will be stainless steel or galvanized.AYC 4x4 posts with a 12x12 galvanized metal plate will be bolted to the bottom of the float to keep the float positioned at least 18"above the shoreline during periods of low water.The decking of the pier and float will have grating installed(fifty percent total with 60 percent light passage,as per the Washington Department of Fish and Wildlife[WDFW]stipulations).Over-water coverage of the pier(105 sf),ramp(30 sf),and float(160 sf)will total 295 square feet.All post piling holes will be approx.six feet(6')deep,two feet(2')wide and filled with concrete and rebar.No pressure treated lumber will be used in this project.Sustainably-harvested Alaska yellow cedar,which is insect and decay resistant,will be utilized instead.All over-water structures will be grated with ThruFlow decking panels,which are made of reinforced polypropylene,contain no toxic preservatives,and are recyclable. The existing wooden deck and gabion baskets netting,and outfall pipe will be removed.All natural rock,roots,etc.shall be retained for shoreline protection. Start Date: Feb 2018 End Date: Mar 2018 ❑ See JARPA Attachment D $24k ❑ Yes ® 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.) h[ ell ] ® Not applicable ❑ Yes ❑ No ❑ Don't know Mg MN�IMWWAWAWMIRR inikii ❑ Yes ❑ No ❑ Don't know ORIA-16-011 Page 6 of 14 1 ❑ Yes ❑ No ❑ Yes ❑ No ❑ Don't know ❑ Yes ❑ No ❑ Don't know Activity (fill, Wetland Wetland Impact Duration Proposed Wetland drain, excavate, Name' type and area (sq. of impact' mitigation mitigation area flood, etc.) rating ft. or type' (sq. ft. or category2 Acres) acres) If no official name for the wetland exists,create a unique name(such as'Wet land 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. '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: ORIA-16-011 Page 7 of 14 f , Williffiffille .min, 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.) het ® Check here if there are waterbodies on or adjacent to the project area. (If there are none, skip to Part 9.) ❑ Not applicable 1.No construction to occur unless Lake Cushman's waters are low. 2.No pressure treated lumber will be used in this project.Sustainably harvested Alaska yellow cedar,which is insect and decay resistant,will be utilized for all wood members of the pier and float. 3.Over-water coverage at the site to be reduced to 295 square feet. 4.Construction to take place as per the HPA provisions from the Washington Department of Fish and Wildlife. 5.The decking of the pier and float will have grating installed(fifty percent total with 60 percent light passage). 6.Previously discussed BMPs to be strictly adhered to. 7.All existing pilings will remain in place and be reused. x❑ Yes ❑ No ORIA-16-011 Page 8 of 14 ® Yes ❑ No ❑ Don't know i iga ion or a proposed project will include downsizing the tQotprint ot the replacement pier an oa s ruc ures,which will recluce overwa er s ru ure coverage o 295 square feet(sf).In addition,the pier and float will be grated(they are presently ungrated).Non-pressure treated,sustainable Alaskan yellow cedar will be used for all new project lumber.The floating dock will be constructed to rest>18"off of the shoreline.Mitigation is expected to minimize impacts to ESA-listed species and improve shoreline habitat at the site. Mitigation is expected to minimize impacts to ESA-listed species and improve shoreline habitat at the site. MIR Kim Activity (clear, Waterbody Impact Duration Amount of material Area (sq. ft. or dredge, fill, pile name' location' of impact' (cubic yards) to be linear ft.) of drive, etc.) placed in or removed waterbody from waterbody directly affected Demo,Removal,and Disposal Lake Cushman In Waterbody 1 week 3 cubic yards of debris out 300 sq ft Adjacent to Water- 1 week 3 cubic yards of materials in 24linear feet Construction of Bulkhead Lake Cushman body In Waterbody 3 weeks 3 cubic yards of materials in 300 sq ft Construction of PRF Lake Cushman y Relocate existing swim float Lake Cushman In Waterbody 1 day .1 cubic yard of material in 200 sq ft '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. '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 da s,months or ears the waterbod will be measurabl im acted b the work. Enter" ermanent"if a licable. j Concrete and rebar will be used to fill new pilings for bulkhead(approx 3.6 cubic yards)behind existing bulkhead Pre-cast,non-embedded 3'x 3'x 3"concrete anchor will be installed to second lot to secure existing swim float(approx 0.1 cubic yards) Page 9 of 14 ORIA-16-011 Excavating will be done by hand and will consist of shoreline material. The excavated material will be used as backfill behind new bulkhead. 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. Tacoma Power Wynnae Wright 263-318-2527 11/21/2017 ❑ Yes ® No IMMEMMEMEMOMME 17110018 � berg R xa rnd t WRiA 16 ORIA-16-011 Page 10 of 14 ■ Yes ■ No X Not applicable KI Urban El Natural D Aquatic ID Conservancy 0 Other: e' ��•,g,; 2,� :'�%�£� s;� a� e" a ,�-y � �bc's �'�.fl.�z'��:•�,� �""e'- •"or, av' i.--,., "tif�� �"z-a�¢EYs�:�f„,•�".e: 9e2.�3 , w , .ih`)a £",': Shoreline ■ Fish ■ Non-FishPerennial ■ Non-Fish Seasonal <. © - ■ No Name O� of 5 ■ Yes © No PriorOil •the early 1900s, The Chinook salmon,bull trout, Puget Sound Steelhead, marbled murrelet, streaked horned lark,yellow-billed cuckoo, and the spotted owl are some of the ESA listed threatened or endangered species in the area See above,plus cutthroat trout,Kokanee,and fisher Part 10—SEPA Compliance and Permits Use the resources and checklist below to identify the permits you are applying for. • Online Project Questionnaire at http:H yps.oria.wa.gov/opas/. • Governor's Office for Regulatory Innovation and Assistance at (800) 917-0043 or help(&-oria.wa.gov. • For a list of addresses to send your JARPA to, click on agency addresses for completed JARPA. ❑ A copy of the SEPA determination or letter of exemption is included with this application. ❑x A SEPA determination is pending with Mason County_is I(2al2otQ, (lead agency). The expected decision date ❑ I am applying for a Fish Habitat Enhancement Exemption. (check the box below in 10b.)[help] ❑ This project is exempt (choose type of exemption below). ❑ Categorical Exemption. Under what section of the SEPA administrative code (WAC) is it exempt? ❑ Other: ❑ SEPA is pre-empted by federal law. ORIA-16-011 Page 12 of 14 Local Government Shoreline permits: ® Substantial Development ❑ Conditional Use ❑ Variance ❑ Shoreline Exemption Type (explain): Other City/County permits: ❑ Floodplain Development Permit 0 Critical Areas Ordinance Washington Department of Fish and Wildlife: x❑ Hydraulic Project Approval (HPA) ❑ Fish Habitat Enhancement Exemption—Attach Exemption Form 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 x❑ $150 check enclosed. Check # Attach check made payable to Washington Department of Fish and Wildlife. ❑ 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 modification of an existing HPA originally applied for, prior to July 10, 2012. HPA# Washington Department of Natural Resources: ❑ Aquatic Use Authorization Complete DARPA Attachment E 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 7Un.itedStates Department of the Army permits (U.S. Army Corps of Engineers): on 404 (discharges into waters of the U.S.) ❑ Section 10 (work in navigable waters) United States Coast Guard permits: ❑ Private Aids to Navigation (for non-bridge projects) Page 13 of 14 ORIA-16-011 Part 11—Authorizing Signatures Signatures are required before submitting the JARPA package. The JARPA package includes the JARPA form, project plans, photos, etc. hel 11 a. Applicant Signature (required) Lpipi 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. Q (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. �2 (initial) Timothy Sebring December 6,2017 Applicant Printed Name Applicant Signature - Date 11 b. Authorized Agent Signature hLeeM 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 CZ04—/�—� 12/5/2017 Authorized gent Printed Name Authorized Agent Signature Date 11 C. Property Owner Signature (if not applicant) tfj pj Not required if project is on existing rights-of-way or easements. 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.0§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 for Regulatory Innovation and Assistance(ORIA)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. ORIA publication number: ORIA-16-011 rev. 09/2016 ORIA-16-011 Page 14 of 14 yON_STgTFo MASON COUNTY �P Department of Community Services o A° �= Planning Division r o T Z 615 W Alder St, Shelton, WA 98584 o N Y o~ (360)427-9670 J � 1864 DETERMINATION OF NONSIGNIFICANCE (WAC 197-11-340) SEP2018-00003 Description of Proposal: DEMO, REMOVE AND DISPOSE OF EXISTNG PIER AND FLOATING DOCK (PILES WILL REMAIN IN PLACE). CONSTRUCT NEW BULKHEAD BEHIND EXISTING BULKHEAD, CONSTRUCT NEW PIER AND DOCK USING EXISTING PILES, RELOCATE EXISTING SWIM FLOAT TO PARCEL (FOR BLD2017-01231) Proponent: TIM SEBRING Location of Proposal: 1110 W CUSHMAN RIDGE DR SHELTON Parcel Number: 423315001023 Legal Description: LAKE CUSHMAN - WESTSIDE #1 BLK: 1 LOT: 23 Directions to Site: SKOKOMISH VALLEY RD, R ON GOVEY RD, CROSS THE STEEL BRIDGE FOLLOW TO CUSHMAN RIDGE DR (LOCKED GATE) 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 43.21 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. Please contact Kell Rowen at ext. 365 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, 615 W Alder St, Shelton WA 98584 by 2/12/2018. 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. Authorized Local Government Official Date 06 h`C . �E_P .1 MASON COUNTY ENVIRONMENTAL CHECKLIST JAN 0 9 2018 KANNINP �15 W. Alder Street MASON CO. ENVIRONMENTAL CHECKLIST A. BACKGROUND 1. Name of proposed project, if applicable: Sebring Bulkhead, Pier, and Float 2. Name of applicant: Sebring,Timothy 3. Address and phone number of applicant and contact person: Applicant: 9901 Brodie Lane # 160-722, Austin, TX 78748 (214) 725-9594 Contact Person: Caralyn Valdeman obo Integrated NW Construction, LLC PO Box 1008, Hoodsport, WA 98548 (253) 888-5314 ext 1 Caralyn@integratedNWconstruction.com 4. Date checklist prepared: 12/5/2017 5. Agency requesting checklist: Mason County 6. Proposed timing or schedule (including phasing, if applicable Project will begin after all applicable permits have been obtained and will take approximately five weeks to complete (Feb — Mar 2018) 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. None. 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. Mason County Building Permit, WA State F&W HPA, and Tacoma Power short-term license 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). Demo, remove,and dispose of existing pier and floating dock(piles will remain in place). Construct new bulkhead behind existing bulkhead. Construct new pier and dock using existing piles. Relocate existing swim float to parcel -01022. 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 1110& 1060 N Cushman Ridge Dr(double lot under the same homeowner) Hoodsport,WA 98548 Mason County Section 31, Township 23N, Range 4W 47 deg 25' 15" N 123 deg 14' 0" W Parcel #s: 42331-50-01023 and 42331-50-01022 From Olympia, proceed N on 101 approximately 10 miles north of Shelton;Turn L on Skokomish Valley Rd; Travel approximately 9 miles to NF-23 and turn R on NF-2340. Drive about 4 miles and turn R onto W Makinaw Rd. Proceed forward, and W Makinaw turns into N Cushman Ridge Dr; Property is on the right. 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)? 40% C. What general types of soils are found on the site (for example, clay, sand, vel, peat, muck)? If you know classification of agricultural soils, specify the and note any prime farmland. See attached geo-technical report i f MASON COUNTY ENVIRONMENTAL CHECKLIST 3 d. Are there surface indications of history of unstable soils in the immediate vicinity: If so, describe. See attached geo-technical report e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Concrete and rebar will be used to fill new pilings for bulkhead (approx 3.6 cubic yards) behind existing bulkhead Pre-cast, non-embedded 3' x 3' x 3" concrete anchor will be installed to second lot to secure existing swim float (approx 0.1 cubic yards) f. Could erosion occur as a result of clearing, construction, or use: If so, generally describe. No. g. About what percentage of the site will be covered with impervious surfaces after project constructions (for example, asphalt or buildings)? No new impervious surface area over water will be created by the project. The bulkhead will be constructed behind an existing bulkhead and will comprise of approximately 12 sq ft (24 linear ft x 8" wide). h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: The bulkhead will be constructed behind the existing bulkhead to help prevent future erosion around the pier. 1. No construction to occur unless Lake Cushman's waters are low. 2. No pressure treated lumber will be used in this project. Sustainably harvested Alaska yellow cedar, which is insect and decay resistant, will be utilized for all wood members of the pier and float. 3. Over-water coverage at the site to be reduced to 295 square feet. 4. Construction to take place as per the HPA provisions from the Washington Department of Fish and Wildlife. 5. The decking of the pier and float will have grating installed (fifty percent total with 60 percent light passage). 6. Previously discussed BMPs to be strictly adhered to. 7. All existing pilings will remain in place and be reused. 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, MASON COUNTY ENVIRONMENTAL CHECKLIST 4 if known None. b. Are there any off-site sources of emissions or odors that may affect your proposal? If so, generally describe. None. C. Proposed measures to reduce or control emissions or other impacts to air, if any: None. 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. 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. As per engineered design by Steven P. Morta, a 22' bulkhead will be constructed behind the existing bulkhead using 8x8 Alaskan yellow cedar posts and 3x12 face boards. A 17.5' x 6' pier and 10' x 16' floating dock will be constructed using Alaskan yellow cedar, Thru- flow grating, and encased Styrofoam billets (float only). A pre-fab aluminum 3x10 ramp will be installed and connected to the pier. All hardware and brackets will be stainless steel or galvanized. AYC 4x4 posts with a 12x12 galvanized metal plate will be bolted to the bottom of the float to keep the float positioned at least 18" above the shoreline during periods of low water. The decking of the pier and float will have grating installed (fifty percent total with 60 percent light passage, as per the Washington Department of Fish and Wildlife [WDFW] stipulations). Over-water coverage of the pier (105 sf), ramp (30 sf), and float (160 sf) will total 295 square feet. All post piling holes will be approx. six feet (6') deep, two feet (2') wide and filled with concrete and rebar. No pressure treated lumber will be used in this project. Sustainably-harvested Alaska yellow cedar, which is insect and decay resistant, will be utilized instead. All over-water structures will be grated with ThruFlow decking panels, which are made of reinforced polypropylene, contain no toxic preservatives, and are recyclable. MASON COUNTY ENVIRONMENTAL CHECKLIST 5 The existing wooden deck and gabion baskets netting, and outfall pipe will be removed. All natural rock, roots, etc. shall be retained for shoreline protection. 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. None. 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. 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. None. MASON COUNTY ENVIRONMENTAL CHECKLIST 6 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: N/A. 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 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 vegetation will be removed or altered? Approximately 24 linear feet of native bushes, shrubs, and grasses may be disturbed behind the existing bulkhead 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: 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: haw , heron, eagle, on it - ther Mammals: deer, Ik, beaver, other Couger Fish: bass, salmon rou herd , shellfish, other MASON COUNTY ENVIRONMENTAL CHECKLIST 7 b. List any threatened or endangered species known to be on or near the site. The Chinook salmon, bull trout, Puget Sound steelhead, Northern spotted owl, Hood Canal summer-run chum, streaked horned lark, and the yellow- billed cuckoo C. Is the site part of a migration route? If so, explain. No. Lake Cushman is land-locked due to two dams. d. Proposed measures to preserve or enhance wildlife, if any: See 1 h above. 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. N/A 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. None. 1) Describe special emergency services that might be required. An ambulance in the event of a construction accident. 2) Proposed measures to reduce or control environmental health hazards, if any: None. MASON COUNTY ENVIRONMENTAL CHECKLIST 8 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. General construction noise between 8a — 4p, M — F 3) Proposed measures to reduce or control noise impacts, if any" None. 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. The proposed project site is located in a residential neighborhood. The current structures include a SFR with attached deck, detached deck with hot tub, pier, floating dock, swim float, and treehouse. d. Will any structures be demolished? If so, what? Yes. The existing pier and float (except pilings; those will remain in place), detached deck, and treehouse e. What is the current zoning classification of the site? Residential f. What is the current comprehensive plan designation of the site? Uftkr`owrr RtA.Va\ g. If applicable, what is the current Shoreline Master Program designation of the site? h. Has any part of the site been classified as an "Environmentally sensitive" area? If so, specify. Lake Cushman is a "lake of statewide significance" 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: N/A. i. Proposed measure to ensure the proposal is compatible with existing and projected land uses and plans, if any: N/A. 9. HOUSING: a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. N/A. b. Approximately how many units, if any would be eliminated? Indicate whether high, middle, or low-income housing. N/A. C. Proposed measures to reduce or control housing impacts, if any: N/A. 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? Approx 5' above grade 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 MASON COUNTY ENVIRONMENTAL CHECKLIST 10 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. 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, and hiking 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. None that Applicants are aware of 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 MASON COUNTY ENVIRONMENTAL CHECKLIST 11 a. Identify public streets and highways serving the site and describe proposed access to the existing street system. Show on site plans, if any. None. 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? N/A 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 a e: ctricity, natural gas, water, refuse service, telephone, sanitary sewer, eptic syste , other: Client is considered off-grid, and use erator. MASON COUNTY ENVIRONMENTAL CHECKLIST 12 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. l Signature: d' Printed Name: Timothy Sebring Date submitted: December 6. 2017 clac ZC 6 cl zo I-I - 01 a� I GEOLOGIVAL ASSESSMENT FOR THE ENTRANCE TO THE PROPOSED STATIONARY PIER 1110 N. Cushman Ridge Dr., Hoodsport, Mason County, WA 98548 (Parcel #: 42331-50-01023) Prepared for: Timothy J. and Jeanne Y. Sebring 1039 Russell Farm Road Collierville, TN38017-5801 Prepared by: MET Engineering,PLLC 1018 E. Wishkah St. Aberdeen, WA 98520 (800) 590-0958 (360) 289-0958 cell (360) 861-8493 fax Smorta2wl.com Contact: Steven P. Morta, P.E. P. WAs" c0758 November 9, 2017 0'(ONAI V Nov.9,2017 Page I of 4 MET ENGINEERING, PLLC To: Timothy J.and Jeanne Y.Sebring 1039 Russell Farrn Road Collierville,TN 38017-5801 cc: Caralyn Valdeman,Owner Integrated NW Construction,LLC 60 N. Lake Cushman Road, Suite 109 P.O.Box 1008 Hoodsport, WA 98548 (253)888-5314 bus. Subject: GEOLOGICAL ASSESSMENT FOR THE ENTRANCE TO THE PROPOSED STATIONARY PIER Located at 1110 N. Cushman Ridge Dr., Hoodsport, WA 98548 (Parcel#: 42331-50-01023) Attachment: Engineering Design for"Replacement of Pier, Ramp; and Dock" Located at 1110 N.Cushman Ridge Rd,Hoodsport,WA 98548 dated Oct. 28,2017 1.0 Introduction According to the Tacoma Power's "Shoreline Use Specifications and Permitting Guidelines" Appendix B, Section 4 a shoreline geological assessment is required. In this assessment it must be demonstrated that a non-structural treasure (bioengineering) is not feasible. It also states that regardless of the shoreline stabilization technique or shoreline classification, the applicant is required to demonstrate that wave action or fluvial force is the primary reason for shoreline erosion. It is the intention of this geological assessment that this is the case. 2.0 Genera(Description of the Area The site is located on the lower west side of Lake Cushman as shown on map-i in this report. There were no indications of existing groundwater conditions such as seeps or any noticeable wet areas in the proposed project area where the proposed stationary pier is to be constructed. The estimated depth to water would be below an elevation of 738 feet which is the maximum height of Lake Cushman. And since the level of water in the lake is seasonal the anticipated depth to water could be well below an elevation of 738 feet. No surface seepage was observed by this geotechnical engineer during the site visit, i.e., there was no upland hydrostatic pressure to cause surface seepage at the lower level including the area near the entrance to the stationary pier where the proposed mini-bulkheads are located on each side of the entrance. Reference is made to Sheet 2 of of the Attachment that shows the location of the mini-bulkheads with respect to the proposed pier/ramp/dock. This bulkhead would replace the existing concrete bags that currently are protecting the granular bank from further erosion due 1018 E. Wishkah St.,Aberdeen,Washington 98520-2937 (360)289-0958 Bus,(360)861-8493 Fax,(800)590-0958 Toll Free SMorta(glaol.com Nov.9,2017 7 Page 2 of 4 PT ENGINEERING, PLLC to wave action. Also, due to existing very granular conditions along the shoreline as well as seasonal wave action especially during high water Ievels at or near an elevation of 738 feet, a bioengineering mitigation design.is not feasible. Regarding upland geomorphology,there were no indications of upland waterbodies or wetlands. Furthermore,this geotechnical engineer did not observed any upland wetland plants such a skunk cabbage,ferns,or other wetland vegetation. 3.0 Geology and Associated Seismic Events The Washington State Geological Map identifies this area as tertiary volcanic rocks from the Crescent formation (TVc) as shown on map-2 of this geological assessment. In 1999 there was the Nisqually delta earthquake and in 2001 the Satsop earthquake located near the east side of Grays Harbor County. There did not appear to be any major disturbance on the west side of Lake Cushman as a result of these earthquakes. It is to be noted that from a geological point of view, the North American techtonic plate is gradually sliding over the Pacific Ocean techtonic plate resulting in a subduction zone where these two major plates come in contact with each other. As a result of magma, i.e., liquid rock, seeping through this subduction zone,mountain ranges and volcanic peaks have formed along the Pacific crescent such as the Olympic mountains, Mt. Baker, Mt. Rainier, St. Helens, and Mt. Adams to name a few of the predominant volcanic peaks it the general area. 4.0 Soils According to the Web Soil Survey prepared by the USDA, the soils have been described as a Rough mountainous land, Hoodsport soil material. Reference is made to the Grays Harbor County Area,Pacific and Wahkiakum Counties,Washington soils document. The onsite granular soils consist of smooth cobbles and gravels that have become exposed due to the scouring effect of wave action along the shoreline. Even though these glacial till soils are initially quite dense on the order of 130 to 135 Ibs per cubic foot and can support over 1,500 pounds per square foot,when exposed to continual wave action over time,the silts and fines that hold these granular soils together are washed out. As a result, this leaves loose cobbles and gravels along the shoreline. This is the primary reason that relatively short bulkheads as shown on sheet 2 of 4 of the Attachment is required, to significantly reduce the scouring effect of continual wave action over time, especially during periods of significant storm events where wind speeds can attain a velocity of up to 85 mph according to the 2015 International Residential Code for this region of Washington State. 1018 E.Wishkah St.,Aberdeen,Washington 98520-2937 (360)289-0958 Bus,(360)861-8493 Fax,(800)590-0958 Toll Free SMorta(a,aol.com Nov.9,2017 Page 3 of 4 MET ENGINEERING, PLLC 5.0 Slope Stability There was little to no indication of recent or past slides in the vicinity of the project site since most of the parcel remains heavily forested. Minimal trees were removed for the construction of the residence up along the end of the driveway. The only signs of soil erosion were along the shoreline where wave action especially when the lake was near its highest elevation of 738 feet tended to scour glacial till soils resulting in the removal of silts and fines that act as a binder leaving smoot cobbles and some boulders. There did not appear to be any indications of slide activity in the general construction area. .However, along the southwestern side of Lake Cushman there was evidence of some slide activity along West Mackinaw Road caused by groundwater located further on up the hillside. This was not the case at the project site. 6.0 Setback It is the opinion of this geotechnieal engineer that setbacks from the toe of the slope, i.e., at the shoreline where the proposed bulkheads are to be located are not required. There were no signs of slope instability in the general area such sloughing,hummocky areas,or soil erosion. 7.0 Conclusions and Recommendations I. It is the professional opinion of this geotechnical engineer that a follow-on Geotechnical Engineering Report is not required and that this project can proceed as designed with no setbacks required per Mason County and Tacoma Power Specifications. 2. No slide hazards were observed within 300 feet of the project site and,therefore, no hazards delineation did not pertain to this site. 3. A detailed set of the engineering drawings are shown on sheet 2 of 4 and 3 of 4 of the Attachment. 4. The primary reason bulkheads are required on the north and south side of the stationary pier entrance is to protect the shoreline from further scouring of the native granular material due to seasonal wave action especially when the lake is at its highest level at an elevation of 738 feet and the occurrence of high winds. This results in a near worst-case scenario for property damage along the shoreline especially for stationary piers that are constructed on the shoreline. 1018 E. Wishkah St.,Aberdeen,Washington 98520-2937 (360)289-0958 Bus,(360)861-8493 Fax,(800)590-0958 Toll Free SM orta(a aol.corn Nov.9,2017 Page 4 of 4 MET ENGINEERING, PLLC 5. This project also satisfies the requirements of Tacoma Power's Shoreline Use Specifications and Permitting Guidelines dated March 2014. 6. Due to the very granular soil conditions and the scouring action of the waves, a bioengineering solution is not feasible for this site. This geological assessment applies only to this site and is not to be used for any other purposes. Standard accepted engineering practice has been incorporated in the preparation of this geologic assessment. Any changes to the site conditions or the proposed site plan may affect the longterm stability of the site and that this geotechnical engineer should be consulted if any changes or modifications to the current siteplan is made. Any questions or comments regarding this geological assessment can be addressed by e-mail or by calling this geotechnical engineer(360)289-0958. Respectfully Submitted, P. V Sly, JA44t' 1%4 � Steven P.Morta,P.E. ?� ,p 30758 �' FGIN STONAL . 12.0 References 1. USDA Natural Resources Conservation Service Web Soil Survey(Online) 2. Journal of Geolechnical and Geoenvironmentat Engineering, April 2002, Stability Charts for Uniform Slopes,by Radoslaw L.Michalowski,F.ASCE 3. Shoreline Use Specifications and Permitting Guidelines prepared by Tacoma Power Public Utilities dated March 2014. 1018 E.Wishkah St.,Aberdeen,Washington 98520-2937 (360)289-0958 Bus,(360)861-8493 Fax,(800)590-0958 Toth Free SMorta(d�,aol.com t� l coc Sr 96' Q,� p a z u�� C13vm CL Q) r a cueCL IL 4z z ui LLJ az € a g O N 0 ZLu m O Z a z N a ! 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W ; <r Q d ar � t r a a W o a g �. r� a a r01 0 ' 71 rE 0 n Z i o Z b0 i Cl) rn� Q ' II7 # th z Cl) � � t Z t im W V i W Z t � r { } J W tu- iv o } Z Q w r i Z o Z¢ t it llJ66 ill CO N t 1 Z WTa N 1 Q zz t ✓ 7 d o t 00 a C) --ice �7- Cl) CD W�0. M _ r 3Miaaoad s�i�aw ° Na� - - - - - - - - - - - - - - - - - - - t °�a tn. moo o �'ui�n JC, u n ¢zv; M w d a Ci dMMMWAMMMA -.a 011 r This is the parcel map for the Timothy J. and Jeanne Y. Sebring property located at 1110 N. Cushman Ridge Dr., Hoodsport,WA 98548 with a parcel number of 42331- 50-01023. A bulkhead is required on each side of the stationary pier to provide protection of the bank. The existing concrete bags that will need to be removed provide bank protection from the wave action due to seasonal storms in the Lake Cushman area. The primary purpose of the proposed bulkhead as shown on sheet 2 of 4 is to protect the entrance area of the stationary pier from continued wave action. Reference is made to the attached geotechnical engineering report. 6 71 OfLSDA a, t t� lI s Area of Interest(AOI) Soil Data Explorer Download Soils Data Shop in Cart(Free) Printable Yersianj Add to Shopping Cart I ,-�Sj 1101! 4.110 el A state (not Yo scale) r- t 6 F, r n i r x e' ara o� ,.➢ a y r r c Lr5 , y i 46 nt- 010 x , f a ' r y ,. it-� „?i "",. .• y^,my7pjy�ea %✓ r , Warning:Sail Map may not be valid at this scale. 11 , Mason County,Washington(WA645) Mason County, Washington (WA645) 20 Map Acres Printable version Unit Map Unit Name in Percent Symbol AOI of A01 Report—Map Unit Description Re Rough mountainous 7.2 61.3% Mason County,Washington land, Hoodsport soil Rc—Rough mountainous land,Hoodsport soil material materiaf Nap Unit Setting W Water 4.5 38.7% National map unit symbol;2hms Elevation:160 to 1,800 feet Totals for Area of 11.7 100.0% Mean annual precipitation: 15 to 60 inches Interest Mean annual air temperature:48 to 50 degrees F Frost-free period:150 to 180 days Farmland classification:Not prime farmland FOIA i Accessibility Statement k Prwwy Map Unit Composition Rough mountainous land and similar soils:50 percent Hoodsport and similar soils:40 percent Estimates are based on observations,descriptions,and transects of the mapunit. Description of Rough Mountainous Land Typical profile HI-0 to 7 inches:gravelly sandy loam H2-7 to 60 inches:stratified extremely gravelly sandy loam Properties and qualities Slope:30 to 60 percent Depth to restrictive feature.,More than 80 inches Natural drainage class:Excessively drained Capacity of the most limiting layer to transmit water(Ksat).High (1.98 to 5.95 infhr) Depth to water table More than 80 inches Frequency of flooding:None Frequency of ponding:None Available water storage in profile:Very low(about 2.7 inches) Interpretive groups Land capability classification(irrigated).None specified Land capability classification(nonirrigated):7e Hydrologic Soil Group:.A Hydric soil rating:No Description of Hoodsport Setting Landform:Tiff plains Parent material:Basal till Typical profile HI-0 to 6 inches:stony medial sandy loam H2-6 to 26 inches:extremely gravelly medial sandy loam,very gravelly sandy loam H2-6 to 28 inches:gravelly sandy loam H3-28 to 60 inches: Properties and qualities Slope:30 to 60 percent Depth to restrictive reature:20 to 40 inches to densic material Natural drainage class.Moderately well drained Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately low(0.00 to 0.06 infhr) Depth to water table:About 18 to 36 inches Frequency of flooding:None Frequency of ponding:None Available water storage in profile:Low(about 3.2 inches) Interpretive groups Land capability classification(irrigated):None specified Land capability classification(nonirrigated):7e Hydrologic Soil Group:B/D Hydric soil rating:No Description—Map Unit Description Coordinates:47"28'48'N 123"15'0"w IKIPEDIA Lake Cushman Lake Cushman is a 4,010-acre (16.2 km2) lake and reservoir on the Lake Cushman north fork of the Skokomish River in Mason County,Washington.The lake originally was a long narrow broadening of the Skokomish River formed in a glacial trough and dammed by a terminal moraine from the last ice age, during the Vashon stade. The lake was expanded after construction of the Cushman Dam No. 1.The �a lake is maintained by this dam and provides electrical power to the r Tacoma Power system. As a popular retreat for hiking, fishing, boating and kayaking, Lake Cushman's shoreline is dotted with resorts and rental cabins. The lake is Lake Cushman and Hood Canal, as notable for its beautiful crystal clear blue water and the huge round rocks viewed from the summit of Mt. Ellinor surrounding it,as well as thick stands of hemlock,fir and cedar trees. Location Mason County, Lake Cushman was named in honor of Orrington Cushman,who served as Washington, United interpreter for Governor Isaac Stevens during the Treaty of Point Elliott States negotiations with Puget Sound Indians in 1954. Coordinates 4702848"N 123'15'0"W There is also a town near Lake Cushman known as Lake Cushman, Lake type Reservoir Washington, or simply Cushman, Washington. Still unincorporated, it is the fastest-growing community in Mason County. Primary inflows Skokomish River Primary Skokomish River outflows Basin countries United States Max. length 8.64 mi(13.90 km) Max.width 1.10 mi (1.77 km) Surface area 4,010 acres (1,620 ha) Settlements Lake Cushman : z ............... ............ zg � ,r , Panoramic image of Lake Cushman, 5000 feet below, as viewed from the sum mit of Mount Elfinor on a summer afternoon. References 4 1, Meany, Edmond S. (1523). Origin of Washington geographic names(http ` s://babel.hathitrust.org/cgilpt?id=mdp.39015027074981;view=1 up;seq=15 4). Seattle" University of Washington Press. P. 138. External links • Lake Levels and River Flows(http://www.mytpu.org/fiilesAibrary/Cushman-I Lake Cushman with, stumi s ake-leveIs.pd1f),Cushman Project Settlement,Tacoma Power showing charging%v eer levels • Lake Cushman on the Official Tourism Web Site for Mason County(http:// www.explorehoodca nal.com/boating.htmi) • Photograph of Lake Cushman circa'1899 from the Lick Observatory Records Digital Archive, UC Santa Cruz Library's Digital Collections(http://dig"italcollections.ucsc.edu/`cdnV ingleitem/Collection/p265101coi110/id/184%rec/1) Retrieved from"https://en.wikipedia.or9lw/index.php' title=L,ake_Cushman&oldid=782939639" This page was last edited on 30 May 2017, at 04:17. Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.WikipediA is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. _ st 7-4 C jj 1K. Q40 A ff - Y � f Q'ILED r d9� R ��,/ Y This is a geologic map of the Lake Cushman region and surrounding area. The geological unit is identified as Tertiary Volcanic Rocks, Crescent Formation(TVc). Mason County Department of Community Development Submittal Checklist For a Geolo�tical Assessment Instructions:This checklistchecklist must be submitted with a Geological Assessment and completed,signed,and stamped by the licensed professional(s)who prepared the Geological Assessment for review by Mason County pursuant to the Mason County Resource Ordinance. If an item found to be not applicable,the report should explain the basis for the conclusion. Applicant/Owner Zi . f g-j parcel# ` - 1'2 4t4' Site Address f 6gsh a , (1) A discussion of geologic conditions in the general vicinity of the proposed development,with geologic unit designation based on referenced maps. Located on pages) 2 Q T -ZZ- ( Sec-/ � © ) (2) (a)A discussion of the ground water conditions at the site, Located on page(s) ,d (b) A discussion of the estimated depth to water, Located on page(s) / o f 41 C.c't 0) (c) A discussion of the quantity of surface seepage, Located on page(s) ! o Y ( P 7�, ?o (d) A discussion of the upslope geomorphology, Located on page(s) Z d+ Ll(. (e) A discussion of location of upland waterbodies and wetlands. Located on page(s) Z of --t fee j 2,o f (3) The approximate depth to hard or dense competent soil,e.g.glacial till or outwash sand. Located on page(s)- Z G f. 4 r re,-1 q. y ) (4) A discussion of any geomorphic expression of past slope instability(presence of hummocky ground or ground cracks,terraced topography indicative of landslide block movement, bowed or arched trees indicating downslope movement, etc.). Located on page(s) ? 6-� 4�' �e c' . C-) — (5) A discussion of the history of landslide activity in the vicinity, as available in the referenced maps and records. Located on pages) (F) An opinion on whether the proposed development is within the landslide hazard area or its associated buffer or setback and the potential for landslide activity at the site in light of the proposed development. { Located on page(s) O 0 Page 1 of 2 Form Effective June 2008 (7) A recommendation by the preparer whether a Geotechnical Report should be required to further evaluate site conditions and the proposed development of the subject property- Located on page(s) �:? 6-f- '--( 6iC, C"7t 7 O) (8) If the presence of a hazard is determined within 300 feet of the proposed development,then the following are delineated on a geologic map/site map: 4 f3G 6 (a) the area of the proposed development, Located on Map(s) (b) the boundaries of the landslide hazard ar (top, both sides,and toe), Located on Map(s) (c) the associated buffers(top, h sides, and toe), Located on Map(s) (d) building or other tbacks(top, both sides, and toe). Located on p(s) (0) A site map drawn to scale showing the property boundaries, scale, north arrow, and the location and nature of existing and proposed developme�on es Located on Map(s) Y p) '1-a hereby certify under penalty of perjury that l am a civil engineer licensed in the State of Washington with specialized knowledge of geotechnical/geological engineering or a geologist or engineering geologist licensed in the State of Washington with special knowledge of the local conditions. I also certify that the Geological Assessment, dated �f7and entitled _e5t"01s �J1'rl</I�Yj lr r r ,e meets all the requirements of the Mason County Resource Ordinance, Landslide Hazard Section, is complete and true,that the assessment demonstrates conclusively that the risks posed by the landslide hazard can be mitigated through the included geotechnical design recommendations, and that all hazards are mitigated in such a manner as to prevent harm to property and public health and safety- j , l (Signature and Stamp) -4--_N R A40 l �A,, �WASyf - 7�O •p r 30758 O NAL����� Disclaimer:Mason County does not certify the quality of the work done in this Geological Assessment. Page 2 of 2 Form Effective June 2008