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Home My WebLink AboutSEPA- Emergency Slide Repair - SEP Determinations - 3/11/2015 Adft Washington State Olympic Region Department of Transportation Environmental&Hydraulic Services 5720 Capitol Blvd Lynn Peterson Tumwater,WA 98501 Secretary of Transportation P.O.Box 47440 March 11, 2015 Olympia,WA 98504-7440 360-570-6700/Fax 360-357-2601 TTY: 1-800-833-6388 Department of Ecology www.wsdot.wa.gov Environmental Review Section PO Box 47703 Olympia WA 98504-7703 RECEIVED RE: SEPA Register MAR 18 2015 426 W• CED AR ST% Dear SEPA Reviewer: Attached is a copy of the Environmental Checklist and Determination of Non-significance for your information and publication in the SEPA Register, in accordance with WAC 197- 11-340(2). Project: US 101 /Vic. MP 316—Emergency Slide Repair MP 316.5 If you have any questions, please contact Dave Evans at 360-570-6738. Sincerely, Jeff Sawyer Environmental & Hydraulic Manager Olympic Region JBS:sb:ip Enclosures: DNS Environmental Checklist Vicinity Map, & Plan Sheets (4) Letter to Newspaper cc w/enc: Penny Kelley, WDOE Grace Miller, Mason County Community Development W. Ron Allen, Jamestown S'Klallam Tribe Gideon U. Cauffman, Jamestown S'Klallam Tribe Annette Nesse, Jamestown S'Klallam Tribe Francis Charles, Lower Elwha Klallam Tribe William S. White, Lower Elwha Klallam Tribe Carol Brown, Lower Elwha Klallam Tribe Department of Ecology March 11, 2015 Page 2 Jeromy Sullivan, Port Gamble S'Klallam Tribe Josh Wisniewski, Port Gamble S'Klallam Tribe Joe Sparr, Port Gamble S'Klallam Tribe Charles `Guy' Miller, Skokomish Tribe Kris Miller, Skokomish Tribe Lennea Wolfe, Skokomish Tribe Leonard Forsman, Suquamish Tribe Dennis Lewarch, Suquamish Tribe Alison O'Sullivan, Suquamish Tribe Project File SF03112015 (7159) EX 7 A11111111k State Environmental Policy Act Washington State �, Department of Transportation DETERMINATION OF NONSIGNIFICANCE Description of proposal: US 101, 2.2 Miles South of Beacon Point Road— Emergency Slope Stabilization project will conduct permanent repairs near Beacon Point on Hood Canal. Damage was sustained by a landslide at this location on December 10,2014 during an extreme weather event.Temporary emergency repair work included signage and barrier installation to restrict travel to one lane, erosion control measures and conducting geotechnical investigation. Permanent repairs will include removal of slide debris, tree removal, construction of a soldier pile retaining wall and reconstructing the roadway slope and northbound lane and shoulder. Proponent: Washington State.Department of Transportation Location of proposal: The project is located on US 101 at NIP 316.5 in Mason County Lead Agency: Washington State Department of Transportation, Olympic Region The lead agency for this proposal has detennined 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 on request. X 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 of signature below. Comments must be submitted by: r�: , Responsible Official: Jeff Sawyer Position/Title: Environrnental & Hydraulic Manager Olympic Region Phone: 360-570-6701 Address: PO Box 47440 Olympia WA 98504-7440 Date: Signature: � Washington State Olympic Region A Department of Transportation Environmental&Hydraulic Services 5720 Capitol Blvd Lynn Peterson Tumwater,WA 98501 Secretary of Transportation P.O. Box 47440 Olympia,WA 98504-7440 March 11, 2015 360-570-6700/Fax 360-357-2601 The Shelton-Mason County Journal TTY: 1-800-833-6388 www.wsdot.wa.gov Attn: Legal Desk Post Office Box 430 Shelton, WA 98584 Subject: US Highway 101 /2.2 Miles South of Beacon Point Rd.—Emergency Slope Stabilization Milepost 316.50 Determination of Non-significance Dear Legal Editor: The State Environmental Policy Act (SEPA)requires the Department of Transportation to initiate a public notice on all environmental actions. This allows the public an opportunity for comment on the proposed projects. We have elected the public notice procedure of publishing a copy of the DNS in your paper because of its general circulation in the project vicinity. Please publish the enclosed DNS once, during one week, as a PAID LEGAL NOTICE. For accounting purposes, please refer to XL4760, account number 123669 and send the invoice and affidavit of publication to: Washington State Department of Transportation Olympic Region PO Box 47440 Olympia WA 98504-7440 Attn: Jeff Sawyer 360-570-6701 If you need further information, please contact Dave Evans at 360-570-6738. Sincerely, 1�W Jeff Sawyer Environmental & Hydraulic Manager Olympic Region JBS:sb:ip Enclosure: DNS cc: Ricky Bhalla SF03112015 (7160) : + ✓..s , _ r' Washington State Department of Transportation --------------------- J M State Environmental Policy Act • Environmental 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. The purpose of this checklist is to provide information about the proposal to interested parties, to help identify impacts of the proposal (and to avoid or reduce impacts from the proposal, if possible) and to help the lead agency decide whether an Environmental Impact Statement is required. The checklist questions apply to all parts of the proposal, even if they are planned over a period of time. Attached is additional information that will help describe the proposal or its environmental effects. A. BACKGROUND 1. Name of proposed project, if applicable: US 101, Vic. MP 316.5- Emergency Slide Repair 2. Name of applicant and lead agency: Washington State Department of Transportation Olympic Region 3. Address and phone number of applicant and contact person: Ricky Bhalla Jeff Sawyer Project Engineer Region Environmental Manager PO Box 47440 PO Box 47417 Olympia, WA 98504-7440 MS WA-48 Olympia, WA 98504-7417 Telephone: (360)538-8502 Telephone: (360) 570-6701 Fax: (360)533-9449 Fax: (360) 357-2601 4. Date checklist prepared: February 2015 5. Proposed timing or schedule (including phasing, if applicable): Construction is anticipated to occur during spring 2015 and is estimated to last 3 to 5 weeks. 6. Are there any plans for future additions, expansions, or further activity related to or connected with this proposal?If yes, explain. No 7. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. • National Environmental Policy Act—Documented Categorical Exclusion • A Biological Assessment for U.S. Fish and Wildlife Service • A Biological Assessment for National Marine Fish Services • Documentation of compliance with Section 106 of the National Historic Preservation Act 8. Do you know whether applications are pending for governmental approvals of other proposals directly affecting the property covered by the proposal? If yes, explain. No 9. List any government approvals or permits that will be needed for the proposal, if known. Shoreline Substantial Development Permit from Mason County. 10. Give brief, complete description of the project including (but not limited to) its size, general design elements, and other factors that will give an accurate understanding of its scope and nature. There are several questions in this checklist that ask you to describe certain aspects of the proposal. You do not need to repeat those answers on this page. The proposed project in Mason County will repair the US 101 roadway and stabilize the slope on the Hood Canal side of the roadway by building a retaining wall. The work consists of removal of slide debris, constructing a soldier pile retaining wall and embankment, and reconstructing approximately 100 LF of the NB lane. 11. Location of the proposal. Give sufficient information for a person to understand the precise location of the 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. This project is located on US Highway 101 between Mile Post 316.40 and Mile Post 316.60 in Mason County, Township 24 North, Range 3 West, West 1/2 of Section 12, Willamette Meridian. This project lies adjacent to the Hood Canal between the communities of Brinnon and Lilliwaup. B. ENVIRONMENTAL ELEMENTS 1. EARTH a. General description of the site Flat, rolling, hilly, steep slopes, mountainous, other: Rural, forested area, with steep slopes. b. What is the steepest slope on the site (approximate percent slope)? Steepest slope on the site is approx. 45%. -2 - c. What general types of soils are found on the site (for example, clay, sand, gravel, peat, muck)? If you know the classification of agricultural soils, specify them and note any prime farmland. Project is located within the Hoodsport stony, and sandy loam soils. No prime farmland. d. Are there surface indications of history of unstable soils in the immediate vicinity? If so, describe. Yes. This area has a history of landslides. e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill. Approx. 1,300 CY of fill will be used to construct the new retaining wall. Material will come from a WSDOT approved source. f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. Some erosion may occur during construction, which will be minimized by creating a Temporary Erosion and Sediment Control plan (TESC), and using Best Management Practices (BMP's). g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? No added impervious surfaces for this project. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Erosion will be controlled by preparation and implementation of a Temporary Erosion and Sedimentation Control (TESC) Plan utilizing Best Management Practices. BMP's may include silt fence, check dams, and inlet protection. All exposed slopes will be mulched, fertilized and re-seeded. 2. AIR a. What types of emissions to the air would result from the proposal (for example: dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known. There will be hydrocarbon exhaust emissions from excavators, dump trucks, loaders, compaction equipment, sweepers, pickup trucks, and delivery trucks during construction activities. Air quality is expected to return to normal after construction. b. Are there any off-site sources of emissions or odor that may affect your proposal? If so, generally describe. No -3 - c. Proposed measures to reduce or control emissions or other impacts to air, if any: Water or other BMP's will be used to control dust if necessary. 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. Hood Canal is located 100 - 150 ft. east of project. 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. Yes. All work is within 200 feet of Hood Canal. 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) YVill the proposal require surface water withdrawals or diversions? Give general description,purpose, and approximate quantities if known. A culvert will be placed in the ditch and gravel placed on top in order to widen the west side of US 101 southbound lane to the required 15 ft. width for a temporary construction purposes. S) Does the proposal lie within a 100 year floodplain? If so, note location on the site plan. No 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. This project will not discharge waste materials into surface waters. 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 -4- 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. This project will not discharge waste material into the round P J g . g c. Water Runoff (including storm water): 1) Describe the source of runoff(including stormwater) and method of collection and disposal, if any (include quantities, if known). Where will this water flow? Will this water flow into other waters? If so, describe. Highway stormwater will enter the roadside ditches and the steep ravine sides. This water will flow eastward under US Highway 101 to Hood Canal. 2) Could waste materials enter ground or surface waters? If so, generally describe. Petroleum products will be on the project site during construction. However, a spill prevention control and countermeasures plan will be developed and BMP's will be developed for spill prevention and control during construction. d. Proposed measures to reduce or control surface, ground and runoff water impacts, if any: All runoff will be treated in accordance with the WSDOT Highway Runoff Manual and Best Management Practices. 4. PLANTS a. Underline types of vegetation found on the site: DECIDUOUS TREE: Alder, Maple,Aspen,Vine Maple, Cottonwood, Willow, other: EVERGREEN TREE: Fir, Cedar, Pine, Hemlock, other: SHRUBS: Elderberry, Serviceberry, Scotch Broom, Red Huckleberry, Mahonia, Salal, Spirea, other: Grass Pasture Crop or grain WET SOIL PLANTS: cattail, buttercup, bullrush, Skunk cabbage, other: WATER PLANTS: water lily, eelgrass, milfoil, other: Other types of vegetation: -5 - b. PVhat kind and amount of vegetation will be removed or altered? Approximately one half dozen conifers up to 42 inches in diameter breast height, plus, small non-merchantable trees, bushes, shrubs, grass and other low level plants will be removed. c. List threatened or endangered species known to be on or near the site. Federal Endangered Species Act listed: • Bull Trout • Streak Horned Lark • Puget Sound Steelhead • Yellow Billed Cuckoo d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: At project completion all disturbed areas will be replanted and seeded. 5. ANIMALS a. Underline 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. Puget Sound Bull Trout, Marbled Murrelet, Northern Spotted Owl, Chinook Salmon, Chum Salmon and Steelhead. c. Is the site part of a migration route? If so, explain. Yes, Western Washington is part of the Pacific Flyway for Migratory Waterfowl. d. Proposed measures to preserve or enhance wildlife, if any: Proper use of Best Management Practices will insure that no pollutants or sediment will enter fish bearing waters of the state. Biological assessments will be completed and all appropriate minimization measures will be written into the contract. Timing restrictions for Marbled Murrelet may be imposed. - 6- �X7 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—Not Applicable b. Would the 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—Not Applicable 7. ENVIRONMENTAL HEALTH a. Are there any environmental health hazards, including exposure to toxic chemicals, risk of fare and explosion, spill, or hazardous waste that would occur as a result of this proposal? If so, describe: There exists the risk of spills, fires, etc. associated with traffic accidents. 1) Describe special emergency services that might be required. Fire, Police, and Emergency Medical Services 2) Proposed measures to reduce or control environmental health hazards, if any: Standard construction safety, practices will be in effect during construction. b. Noise 1) What types of noise exist in the area which may affect the project (for example: traffic, equipment, operation, other)? Traffic noise from US Highway 101 exists in this area, but will not affect the project. 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. Noise levels may rise slightly during the daylight hours during construction. Levels should return to normal after completion of the project. - 7 - 3) Proposed measures to reduce or control noise impacts, if any: All work will be done during daytime (10 hour work shifts, 0700 to 1700 hours). 8. LAND AND SHORELINE USE a. What is the current use of the site and adjacent properties? Transportation corridor. Adjacent properties are used for recreation. b. Has the site been used for agriculture? If so, describe. No c. Describe any structures on the site. N/A d. Will any structures be demolished? If so, what? No e. What is the current zoning classification of the site? Rural Tourist f. What is the current comprehensive plan designation of the site? Shoreline of Statewide Significance for Hood Canal g. If applicable, what is the current shoreline master program designation of the site? Conservancy h. Has any part of the site been classified as an "environmentally sensitive"area? I�j`' so, specify. No i. Approximately how many people would reside or work in the completed project? None f Approximately how many people would the completed project displace? None k. Proposed measures to avoid or reduce displacement impacts, if any: None—N/A 8 - 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: All roadside impacted by project work shall be restored in kind. For example, replace disturbed native vegetation with native vegetation. 9. HOUSING a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing. None—N/A b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing. None—N/A c. Proposed measures to reduce or control housing impacts, if any: None—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? There are no proposed structures within the project limits other than the slope protection. b. What views in the immediate vicinity would be altered or obstructed? None c. Proposed measures to reduce or control aesthetic impacts, if any: The permanent slope protection will be down slope, east of the highway, below the road surface elevation. 11. LIGHT AND GLARE a. What type of light or glare will the proposal produce? What time of day would it mainly occur? None b. Could light or glare from the finished project be a safety hazard or interfere with views? No. There is no added permanent lighting planned for this project site. c. What existing off-site sources of light or glare may affect your proposal? -9 - None—N/A d. Proposed measures to reduce or control light and glare impacts, if any: All roadside impacted by project work shall be restored in kind. 12. RECREATION a. What designated and informal recreational opportunities are in the immediate vicinity? Bicycling, fishing in Hood Canal and camping. Robinswold Girl Scout Camp is adjacent to the project site. US 101 in this area, is a tourist transportation corridor. 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 recreation opportunities to be provided by the project, if any: Impacts to Robinswold Girl Scout Camp will be temporary in nature, due to the construction. Traffic will be maintained through the use of a one lane, alternating signal controlled traffic system. 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. Buildings eligible for the National Register of Historic Places associated with the Robinswold Girl Scout Camp are located to the northeast of the project limits. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site. No other landmarks or evidence of historic, archaeological, scientific or cultural importance are on or adjacent to the project site. Proposed measures to reduce or control impacts, if any: Robinswold Girl Scout Camp buildings will not be impacted by this project. 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: US Highway 101 travels through the project site. There is no existing street system to access. - 10- b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? No, nearest Mason County Transit stop is approximately 3 miles to the south at the Brinnon Store. 15 minute minor delays may occur. c. How many parking spaces would the completed project have? How many would the project eliminate? None d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private). No e. Will the project use (or occur in the immediate vicinity oj) 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, indicate when peak volumes would occur. None g. Proposed measures to reduce or control transportation impacts, if any: Alternating signal controlled traffic with minor delays will be utilized as a detour during construction. 15. PUBLIC SERVICE a. Would the project result in an increased need for public services (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. One-way alternating signal controlled traffic with minor delays. 16. UTILITIES a. Underline the utilities currently available at the site: Electricity, water, natural gas, refuse service, Telephone, sanitary sewer, septic system, other. Power, telephone and fiber optic lines are aerial within the project limits. No relocations will be required. - 11 - 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 C. SIGNATURE The above answers are true an complete to the best of my knowledge. Signature: Jeff awyer Olympic Re 'on Environmental Manager Date Submitted: 3 t 1 l - 12- T. 24 N., R. 3 W., W.M. WSDOT OLYMPIC REGION , ------------------- -- ___ - - + - - I a� I 36 i 31 C? ♦ - - --- --i i / IRPPBR90N drIM } ; . JEFFERSON CO M OLYMPIC NATL FOREST I I i - - -- ._�,_�._�M.y 7 z5 N Trlton JEFFE _ _ i MASON CO ., �'_._'_ .,..." .� -- _ _ _._._._._........ RSON CO -- T 24 N COVe ® I ' xK.13 C® I �0R � 1 � �• V i i it I ♦'�•'•'• ® IiI ! ® PDZR - -- — - - - : ♦ 10 0 10 20 30 40 MILES ? ; SLIDE LOCATION 10 0 10 20 30 40 50 60 KILOMETERS MP 316.45 ' Q WASHINGTON STATE DEPARTMENT OF TRANSPORTATION Graphic Services,Cartography/GIS t0 12 BEGIN PROJECT; O Geographic MAP JULY 2000 I MP i 31 .4 ' 6 1 O Lake g 9 � ;Armstrong . ; S END PROJECT; i I MP 316.50 i Ii ------------ - — ................- -F-------•------------------------------ 15 14 I 13 I I ; ; ; ALSERT Pri RO S ♦i �17 � i 16 15 ? t4 i000 , oaf ; ;♦ Ps,w,Qr � ....---- - -- 7 ------•-- _. Anderson , t I u NATLSr 18 OO 4 t------- — -- - -23 22 ry� Creek ♦ 0 1500 3000 0 ♦ SFY ; 20 SCALE IN FEET 19 w ! ? i 21 S , 22 23 FILE NAME G:ICONTRACnDMC 220 US 101 M P 316.5 Eme rgency enc SIIde1CAD1Vlc.Ma .Y d n TIME 9: AM REC'ON STATE FED.AID PROJ.N Plot 1 O. US 101 EMERGENCY SLIDE P AN DATE 1 /29 014 10 A5 0.EP NO PLOTTED BY rrilliro 12 'O ln;ro IN MASON COUNTY VM1 DESIGNED BY B JAMIESON JOB Nuwaen ENTERED BY R WILLIAMS Washington State MP 316.45 SHEET CHECKED BY S HARDY coN' CT No. LOCATn NO. Department of Transportation I PROD.ENGR. R BHALLA OF REGIONAL ADM. K DAYTON REVISION DMC 220 BAT! Dan MAP ,„?T, DATE BY P8 BTAMP ear P.N.STAMP BOX T. 24 N R, R. 3 W., W.M. END PROJECT US 101 MP 316.45 STA. A 12+20.00 = R/W STA. 606+57.41 (.31' RT) BEGIN PROJECT II US 101 MP 316.53 STA. A 8+00.00 P.O.C. = R/W STA. 602+37.01 (.76' LT) - Op— —Op——OP——w——Op——OP——Op——OP —OP--Op-qP--OP--OP_-_—�OF—--OP——OP——OP— —OF——OF——OP——OP——OP——OP——OP——OF— —Op— —OP——OP——OP——p—.—Of�p�--Op--Op-- ——OP— —Op--OP—_ o ____________ _ ------- ------- _____ -- ---------------------- ______ ___________J1___ _ _____________ --�_---------- -_�---------�_--------------------------- 8 9 10 605 US 101 11 12 -----�;------ -—-— - -—-—- - -—-—- - - - - - ----�— ® A LINE --- "-----_---------------------------------------------- ___ —_1=_-1—_ L ___ __ __.{�• --_ � J� --------- -- n -..�— _ ___________________ —70 — - --60 LEGEND RIGHT OF WAY OF——Op——OP- OVERHEAD POWER ------------------ EDGE OF SHOULDER DITCH BOTTOM 0 —————— EDGE OF TRAVELED WAY — > - - - FLOW LINE I—I—I— GUARDRAIL CONCRETE CULVERT G CONTROL POINT PIEZOMETER 0 20 40 SCALE IN FEET FILE NAME G:ILOCATIONIDMC 220IMP 316 SLIDEIDMC 2201CADI BaseFlleskOMC220 SF AL.dgn Plot 4 TIME 3:27:50 PM REG STATE FED AID PROJ.NO �, . PUN REF No DATE 1120/2015 US 101 EMERGENCY SLIDE PLOTTED BY wlulro -- 10 As DMC220 A IN MASON COUNTY, MP 316.5 VIC. UP1 DESIGNED BY B JAMIESON JOB NUMBER ENTERED BY R WILLIAMS Washington State BEACON POINT LANDSLIDE SHEET CHECKED BY J YOUNG CONTRACT NO. LOCATION W. Department of Transportation PROJ.ENGR. R BHALLA REGIONAL ADM. K DAYTON REVISION DATE BY UTILITY PLAN GATE PATE SHEETS P.E.!TAMP BOX P.E.STAMP BOX - - -- - I . . . . . . . . . -� -r- . . . . . . . . . . . . . j . . . ( . . . . . . . . . . . . . . I _ __ . . . . : : : : : : i . . . . ' . : : : INE' I . . . : .Q : : :PROPOSED 'R�TAINI G : . a: - : . . ' -- ; : : . J.0 . . . . . . . . .. ; i ! . . . . Q. �: : : : : : : -. . . . --- _90 : EXI$T[NG I PROFILE_ . ` _: o.� WALL: PRCSFILEi (18.5 RT.� : _ : : 4 : ' :_: : ; . : . . . . . — Z... oo — _ -- --- --- - -- -- f.o. 9$- .0o) l . . . . 4 . . . . j . . . . l . . .+ I . . . . . . . . i . . . . . . . � p'r Q J j . . . . .. . . ... . . . . . 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FILE NAME G:ILOCATIONIXL4760 -US 101 S of Beacon Point Road`11P 316 SLIDEMIVIC 2201CADt BaseFhes% MC220 SF AL.dgn TWE 7:42:D3 AM REGION STATE FED.AID PROJ.NO. .i FN QEE':O DATE M24.'2015 us 101 ------_Mc- - -- __ - ----- - 10 WAS ?LOTTED BY mastll 2.2 MILES SOUTH OF BEACON PT ROAD DESIGNED BY 8 JAMIESON ,ob wuu a ENTERED BY R WILLIAM_s -- -- _— — — Washington State EMERGENCY SLOPE STABILIZATION >F[ rPR;oj.ECKED Br J YouNG COWM�m Ia UVAI S So. Department of Transportation—_-- WALL PROFILE ENGR. R BHALLA EN' AD!SL'K DAYTON ----.._..._ REVISION ----- DATE BY aRn o.e >[ifAr IO[ aE ST.v�BO>< BEGIN PROJECT END PROJECT r US 101 MP 316.53 US 101 MP 316.45 STA. A 8+00.00 P.O.C. = STA. A 12+20.00 = R/W STA. 602+37.01 (.76' LT) .RIW STA. 606+57.41 (.31' RT) ---- -" ------- --------- -- , ; ---------- -- -------- - - -- -- - --- - _ 110-- --------- - EXISTING CULVERT ---- _ ""- ------ --------- _ ---- F.L. EL. 76.475 ----- - -" ------------ _-- _ -- '"-- ----- - - - - - - - - - - _ - " -- ---- ---------------- - ---+� _ ----------------- 90 -- '� '�-___ - ---- -- - - - --- ----- ------` ------ - -90-------------- ---- "-- ----- - o -- ------------------ - - --- - �a-__. -- -------- -------------------------------- ,-------------------------- ----------------- -- ___ -- ----- ----- - -------------- - -----------------------------=-----------------------eu ---_ ------ -- ...._�--------=-__•- -- - --_-- - ------=-a.- _— ------ - ------_--��___�._— -- ------ — - - —____��====-=-------------- ---- - ------------ -- _— -- - ---- - - - -- , 9 US 101 1 a 605 11 12 A LINE END RETAINING WALL - _-:.::::=:90: =--'----- ------- - -:---------------- ---�------------------ --- ------- '�-,_--- ----- ---- A ti+80 18.5'RT - __________s�- ,��.___ --------------------------------- ______________ ______-_-_ ---------------------- 80 _____ _____ ___________________ _______- _ -_---__---==--------==_-=_- __=-- --- = - ---------- . ' -------,�;, --- :' -------.--- ,---= EXISTING RM RW 603+35.0------ --------- ---- --- -- =-_-- = ------ --- ---- ----- .. --- ---- .60 -- - ----- 30'RT --- - -- �---- ==__ _�_ yap- _'%, ---- - ,,___,_ - -- - ;1 , ' - - - RW 606+10.0 BEGIN RETAINING-W�cLt --- --_ _____________ _ __ _ -- _----- ---- -- - -- 3o'Rr 9+55 18.5'RT -_- - - - --Sp --- ------------ b_- - - ----------- A ------ -----� _______-- --- -- -- - ----- _- _. -so :_;-y- ------------- RW 603+35.0 - - -- ---- _ -- 65'RT --- -- --x- --- ---- --- -- - -- - - EXISTING CULVERT TEMPORARY --------- -------- ---_ ------- -------- - -- ' -== =_ia_::;-_==`_'-- _ -__----- F.L.EL. 58.890 CONSTRUCTIO - -- ----------- -- ---- - -- --- _ _ _ -- EASEMENT ----- -------------_ - --- ------ --- ---` --- 20-====== =- _--------- - ------------- _ ----- ----- _------ RW 606+10 0 -- - - ------------ ' 80'RT RW LINE 604+05.0 --_--- ---.. r �' 30'RT RW 604+05.0 - 'i -- --------------- ---- - ----- 65'RT --- ----�---=-=-=-=---------------- - ' I --------------------------------- 80'RT ------------------------10---------- 0 20 40 SCALE IN FEET FILE NAME G:ILOCATION%XL4760 -US 101 S of Beacon Point ROad1MP 316 SLIDEIDMC 2201CADl BaseFiles0MC220_SF AL.dgn Plot 8 1212 DATE TIME 12:5mcma0stM 16 PM RE�N STATE FED.AID PROJ.NO. US 101 PUN REF NO PLOTTED BY cmas 10 WASH Mir 2.2 MILES SOUTH OF BEACON PT ROAD WSD1 DESIGNED BY B JAMIESON �oN NUMBER ENTERED BY R WILLIAMS Washington State EMERGENCY SLOPE STABILIZATION SHEET CHECKED BY J YOUNG CONTRAG N�. LOCATION 40. Department of Transportat,on OF PROJ.ENGR. R BHALLA oA E ogre WALL SITE DATA SHEETS REGIONAL ADM. K DAYTON REVISION I DATE BY P.E-STAMP eox eE s*ANP eax iEA � ' ` J*�!•` � :+try' " � }Si t+A' �_�: LEGEND Milepost Markers U.S. Highway Ilk Local Roads : -' ;"�a' , -s'�': ' ry'c� Qgt ngt Representation: dnr_100Kquads_Rep r � .:316 16 - r_ 101 101 � Rule 1 GEOLOGIC—UNIT—NAME '` �► r �t rf Water _ _ Via• � 1: Cis 01s Wtr n Quaternary deposits,Landslides Quaternary deposits,Glacial Till Eocene volcanic rocks 1T If. Prehistoric r� Jib. _- =':+' Prehistoric Landslide Head Scarp 7 e,� rye`, l Qg t y s ' ogt t (•: 1' r= - rt Z ? 316� 101 �t t �� c •;`.A r•' ` r / 0 500 1,000 2,000 3.000 4,000 FEET wtr wtr r•- , ., [_ y,�� N 1 inch=2,000 feet 1:24.000 a _ ; ' „ y tilt` ,-. 'a} • JOB 11 STATE ROUTE 101 FALEPOST(s) 316 ,�r� .7 ''1 •�'1' .� '�,< ¢: � y�. + -�' �-. Its :t : FIGURE 1: Prehistoric Landslide 1 t S SR 101 MP 316 • n j' : t ,�� `" fir` ' `' • j'r a{'c DIGITAL ORTHOQUAD,LIDAR& , GEOLOGY MAPS Jftk� Washington State Department of Transportation c, GEOTECHNICAL DIVISION k, f - Y . .� �•i� - f- '•� �•r ;:•�d,r� �s- .: _ PREPARED BY fYh¢Fish DATE November24,2009 N.11•_:ewl�" '• _ .. � -