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HomeMy WebLinkAboutSEPA EPIC-39-91 - CITY OF TUKWILA / PUBLIC WORKS - TUKWILA ELEMENTARY SCHOOLTUKWILA ELEMENTARY SCHOOL 1990 FLOOD DRAINAGE CONTROL & INSTALLTWO CATCH BASINS TO STORM MAIN 14961 62ND AVE. S0. EPIC 39 -91 WAC 197 -11 -970 DETERMINATION OF NONSIGNIFICANCE Description of Proposal Construct grass -lined swale for drainage control. Install two additional catch basins to existing storm main with minor surface grading around them. Proponent City of Tukwila Public Works Department. Location of Proposal, including street address, if any Tukwila Elementary School South 151st Street & 62nd Avenue South. -- 14961 62nd Avenue South. Lead Agency: City of Tukwila File No. EPIC -39 - 91 The lead agency for this proposal has determined that it does not have a probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request. X X(X There is no comment period for this DNS This DNS is issued under 197 -11- 340(2). Comments must be submitted by proposal for 15 days from the date belowe lead agency will not act on this Responsible Official Rick Beeler Position /Title Planning Director Address , 6200 Southcenter Boulevard, Date `/ / You may appeal this determination to the City Clerk at City Nall, 6200 Southcenter Boulevard, Tukwila, WA 98188 no later than 10 days from the above date by written appeal stating the basis of the appeal for specific factual objections. You may be required to bear some of the expenses for an appeal. Copies of the procedures for SEPA appeals are available with the City Clerk and Planning Department. Signature Phone 433 -1846 98188 FM.DNS Jack, This bundle contains the following material for the January 9, 1990 flood - S 151 ST. & 62nd Ave. Tukwila School (90 -DR09) project: One original SEPA Environmental Check List Five copies of SEPA Environmental Check List Six vacinity maps Six project plans Feel free to contact me if you have any questions or suggestions. the classification of agricultural soils, specify them and note any prime farmland: ctlak ayo. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe: No. e. Describe the purpose, type and approximate quantities of any filling or grading purposed. Indicate source of fill: 2Q0 cub c yards_o_f= tops.oi1l. (Source will be determined by qualified low bidder) f. Could erosion occur as a result of clearing, construction or use? If so, generally describe: Erosion could occur due to the use of excavation equipment on the sloping portions of the site. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? None. . Proposed measures to reduce or control erosion, or other impacts to the earth, if any: OHydroseediu of all di turbed v 74-1,5, o � vim. efQt ran 47'4 0'14- L iie %mss/ 3) (�hS �Vu qt, cfvi' z y`4 Qlv fa N Sal' 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known: Exhaust from construction equipment which will be insignificant. b. Are there any off site sources of emissions or odor 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: No. 2) Will the project require any work over, in or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans: No. 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 withdrawls 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: 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: 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 kno c-01- IA/1h ablar 11,ket.r / 04/d 2) Describe waste materials 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 water flow into other waters? If so, describe: None. 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: None. 4. Plants a. Check or circle types of vegetation found on the site: v/ deciduous tree: alder, maple, aspen, —47:_eirergreen tree: fir, cedar, pine, other r/ sl3rubs '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 b. What kind and amount of vegetation will be removed or altered? /Shrubs and grass to be removed in berm and swale construction. Some J (3 + / -) trees to be removed to all for'swale. 0 'c.- -List threatened or endangered species known to be on or near the site: None. d. Proposed landscaping, use of native plants, or other • • measures to preserve or enhance vegetation,on the site, if any: /l / ,i/ Hydroseeding of disturbed earth. 5. Animals a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: Birds: hawk, heron, eagle, songbirds other Mammals: deer, bear, elk, beaver, other None. Fish: bass, salmon, trout, herring, shellfish, other None. b. List any threatened or endangered species known to be on or near the site: None. c. Is the site part of a migration route? If so, explain: No. d. Proposed measures to preserve or enhance wildlife, if any: None. 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc.:, None. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe: No. c. What kinds of energy conversation features are included in the plans of this proposal? List other proposed measures to reduce or control energy impacts, if any: None. dc-tv4A\- Control No. Epic File No. Fee $225.00 Receipt N ENVIRONMENTAL CHECKLIST A. BACKGROUND 1. Name of proposed project, if applicable: January 9, 1990 flood - S. 151 St. & 62nd Ave. Tukwila School (90 -DR05) 2. Name of Applicant: City of Tukwila 3. Address and phone number of applicant and contact person: 6300 Southcenter Blvd., Suite 101, Tukwila, WA 98188: 433 -0179 Ross Earnst, Ron Cameron, Phil Fraser 4. Date checklist prepared: 7/12/91 5. Agency requesting Checklist: City of Tukwila 6. Proposed timing or schedule (including phasing, if applicable: August, 1991 7. Do you have any plans for futur additions, 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: None. 10. List any government approvals or permits that will be needed for your proposal: City of Tukwila SAO approval. City of Tukwila Public Works contract approvals. • • 11. Give 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. Section E requires a complete description of the objectives and alternatives of your proposal and should not be summarized here. The proposal is an upgrade of an existing storm drainage system. It consists of the following: 1. Constructing a swale to direct surface flow to the storm main. 2. Adding two catch basins with inlet grates to existing storm main. 3. Grading area around inlets and constructing berms to direct surface flow to inlets. 12. 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 should 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 limit 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. 14961 -62nd Ave S. 13. Does the proposal lie within an area designated on the City's Comprehensive Land Use Policy Plan Map as environmentally sensitive? Yes. TO BE COMPLETED BY APPLICANT B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site (circle one): Flat, Rollin Hilly, Steep Slopes, Mountainous, Other b. What is the steepest slope on the site (approximate percent slope)? 30% 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: Clay. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe: No. e. Describe the purpose, type and approximate quantities of any filling or grading purposed. Indicate source of fill: 200 cubic yards of topsoil. (Source will be determined by qualified low bidder) f. Could erosion occur as a result of clearing, construction or use? If so, generally describe: Erosion could occur due to the use of excavation equipment on the sloping portions of the site. g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? None. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Hydroseeding of all disturbed earth. 2. Air a. What types of emissions to the air would result from the proposal (i.e., dust, automobile odors, industrial wood smoke) during construction and when the project is completed? If any, generally describe and give approximate quantities if known: Exhaust from construction equipment which will be insignificant. b. Are there any off site sources of emissions or odor 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: No. 2) Will the project require any work over, in or adjacent to (within 200 feet) the described waters? If yes, please describe and attach available plans: No. 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 withdrawls 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: 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: 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 materials 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 water flow into other waters? If so, describe: None. 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: None. 4. Plants a. Check or circle types of vegetation found on the site: `./ deciduous tree: alder, maple, aspen, other ' vergreen tree: fir, cedar, pine, other r/ shrubs — - 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 b. What kind and amount of vegetation will be removed or altered? Shrubs and grass to be removed in berm and swale construction. Some (3 + / -) trees to be removed to all for swale. c. List threatened or endangered species known to be on or near the site: None. d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: Hydroseeding of disturbed earth. 5. Animals a. Circle any birds and animals which have been observed on or near the site or are known to be on or near the site: Birds: hawk, heron, eagle, songbirds other Mammals: deer, bear, elk, beaver, other None. Fish: bass, salmon, trout, herring, shellfish, other None. b. List any threatened or endangered species known to be on or near the site: None. c. Is the site part of a migration route? If so, explain:, No. d. Proposed measures to preserve or enhance wildlife, if any: None. 6. Energy and Natural Resources a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet the completed project's energy needs? Describe whether it will be used for heating, manufacturing, etc.: None. b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe: No. c. What kinds of energy conversation 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 that could occur as a result of this proposal? If so, describe: No. 1) Describe special emergency services that might be required: None. 2) Proposed measures to reduce or control environmental health hazards, if any: None. b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? None. 2) What types and levels of noise would be created by or associated with the project on a short term basis (for example: traffic, construction, operation, other)? Indicate what hours noise would come from the site: Muffled construction equipment noise between the hours of 7:00 AM and 10:00 PM. 3) Proposed measures to reduce or control noise impacts, if any: Noise suppression by mufflers to meet OSHA -WISHA and City of Tukwila requirements. 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? Residential and elementary school. b. Has the site been used for agriculture? If so, describe: No. c. Describe any structures on the site: None. d. Will any structures be demolished? If so, what? None. e. What is the current zoning classification of the site? R -1 -7.2 f. What is the current comprehensive plan designation of the site? The site spans properties which are designated: Low density residential Public facilities Parks and open spaces g. If applicable, what is the current shoreline master program designation of the site? None. h. Has any part of the site been classified as an "environmentally sensitive" area? If so, specify: Portions of the site are on City of Tukwila designated Sensitive Areas. i. Approximately how many people would reside or work in the completed project? None. Approxmately how many people would the completed project displace? None. k. Proposed measures to avoid or reduce displacement impacts, if any: None. 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: None. 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low income housing? None. b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low income housing: None. c. Proposed measures to reduce or control housing impacts, if any: None. 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? Zero feet. b. What views in the immediate vicinity would be altered or obstructed? None. c. Proposed measures to reduce or control aesthetic impacts, if any: Hydroseed all disturbed earth. 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. 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 designed and informal recreational opportunities are in the immediate vicinity? None. 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 or applicant, if any: None. 13. Historic and Cultural Preservation a. Are there any places or objects listed on, or proposed for, national, stste or local preservation registers known to be on or next to the site? If so, generally describe: No. b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site: None. c. Proposed measures to reduce or control impacts, if any: None. 14. Transportation a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any: None. b. Is the site currently served by public transit? If not, what is the approximate distance to the nearest transit stop? No. c. How many parking spaces would the completed project have? How many would the project eliminate? None. d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private): No. e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If any, 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: None. 15. Public Services 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: None. 16. Utilities a. Circle utilities currently available at the site: Electricity, natural gas, water, refuse service, telephone, sanitary sewer, septic system, other: None. 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 and complete to the best of my knowledge. I understand that the lead agency is relying on them to make its deci Signature: Date Submitted: M9/ • • Evaluation for Agency Use Only TO BE COMPLETED BY APPLICANT D. SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (Do not use this sheet for project actions) Because these questions are very general, it may be helpful to read them in conjunction with the list of the elements of the environment. When answering these questions, be aware of the extent the proposal, or the types of activities likely to result from the proposal, would affect the item at a greater intensity or at a faster rate than if the proposal were not implemented. Respond briefly and in general terms. 1. How would the proposal be likely to increase discharge to water; emissions to air; production, storage, or release of toxic or hazardous substances; or production of noise? 2. How would the proposal be likely to affect plants, animals, fish, or marine life? Proposed measures to protect or conserve plants, animals, fish or marine life are: 3. How would the proposal be likely to deplete energy or natural resources? Proposed measures to protect or conserve energy and natural resources are 4. How would proposal be likely to use or affect environmentally sensitive areas or areas designated (or eligible or under study) for governmental protection; such as parks, wilderness, wild and scenic rivers, threatened or endangered species habitat, historic or cultural sites, wetlands, floodplains, or prime farmlands? Proposed measures to protect such resources or to avoid or reduce impacts are: 5. How would the proposal be likely to affect land and shoreline, use, including whether it would allow or encourage land or shoreline uses incompatible with existing plans? Proposed measures to avoid or reduce shoreline and land use impacts area: How does the proposal conform to the Tukwila Shoreline Master Plan? 6. How would the proposal be likely to increase demands on transportation or public services and utilities? Proposed measures to reduce or respond to such demands(s) are: 7. Identify, if possible, whether the proposal may conflict with local, state, or federal laws or requirements for the protection of the environment: 8. Does the proposal conflict with policies of the Tukwila Comprehensive Land Use Policy Plan? If so, what policies of the plan? Proposed measures to avoid or reduce the conflict(s) are: • • TO BE COMPLETED BY APPLICANT E. SUPPLEMENTAL SHEET FOR ALL PROJECT AND NON PROJECT PROPOSALS The objectives and the alternative means of reaching the objectives for a proposal will be helpful in reviewing the aforegoing items of the Environmental Checklist. This information provides a general overall perspective of the proposed action in context of the environmental information provided and the submitted plans, documents, supportive information, studies, etc. 1. What are the objective(s) of the proposal? To direct runoff into existing storm main to reduce or eliminate flooding of downslope residential areas. 2. What are the alternative means of accomplishing these objectives? No alternatives have been discovered. 3. Please compare the alternative means and indicate the preferred course of action: No alternatives identified. 4. Does the proposal conflict with policies of the Tukwila Comprehensive Land Use Policy Plan? If so, what policies of the Plan? No. Proposed measures to avoid or reduce the conflict(s) are: None. l,i •70W6JYYJ, •) • 149711.: �T. r f R -1 -7.2 ) r% • V2, 153R0.`<` ST • 1• 4S !•A • • •- 2 53 /r —14 3 (1)... ‘. 14;6 t 1 "; I ..,1)°01 ' I - 1 r ' 5 er e r (r) -4 ; I 72 1 0 .1 /5 1 t 45 1 /4-9TH - - Nsss\t\ 1 Z 1 1 1 11'11 t 1 4 1 •_, ■ 12 "c /497-H„, 6 254 67 T -7 ti CE N /4 9TH _ •..130 0 0050), VI \ -, 1 ' K _ ! .;. , i 21 7,„ \ , \s't.,;,\ , 23 \?-9 CI. \- \ C:1 22 ,:,,, J04,48 __ 1'6' 14r- cf, • , ‘,....... \v‘,.o-- , —G, \ -A n, D?■01.t.1 I \"" 12) (41 0 ' 'I • 0\ (-1.2.,, \ 1, 44HASE a t 4 'd ( 1) ".: t, i r .r''0'1, ,- 4"' 45 - 4.R* A S . • . ''"Jr, P li -r* 37:7" kA A.:.' sr 1 /5/ , \ ---• \ 0 I t 4e , . '.. 5; R E.E , I, 3 fii ,2 . Gm \ \ /86 tim.1.§ •- OSP 8 244 .r, \z . 5 R 6 ,, 7 :.;•:, ,„:,;( ...\,, , r ,O'A R K,., ! ' l5IST;. • , PL '.- 11 -L., ----„---.,:-.7.-,--- __ 24 '3 \ P \ ■ 0 ( 3) .:\''‘. (4 i ' ' ' \ 41 4 ...,..\ . •i 10 •1.4 , • , Cn 0 '11 77 \ 00 5 \ s ‘ S 0 • \ .' . ‘„ _ ‘------k C.C\ !IS % \ \ \ \'..,. AN Y T E s ACONDOMIN11:11M 186 3,06 1,no .4- .Zr 1", 80RD ,3c,D 17' S 153 ST :i J7 154TH Tukwila pa 27 \‘‘ 6b • cks 4/ is • • 6-4, ij 74- t DC O 10 O Zi / .„,././..7 41, Match . Existing Ditch • - Inlet 12".pipeJ Typical Section: CB #2 : Fill Area Berms:. are 1:1 -1/2 :(V :H) Regrade to direct drainage_ - ditch Berm to direct flow to CP inlet Install new 12" x 14'. CP /inlet grate - Tukwila Elementary . %' Berm to direct overflow to CB inlet CB #2,' In •1 new yType IIc w.' laosin, inlet orate (First order of business: Contractor shall determine location and depth of pipe at CB #2 and . CB #4. CB #2 is to be located approsisaately -1092- •frera- CB#8:) Existing ;Pipe ' CB #5, Existing. j I.l 14961 62nd Ave. S. CB #4, Instcl New_ Type Ic inlet grate Typical Scection CB #1. Fill Area CB #6, Existing i alnage.