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Exhibit C Environmental Determinatin of Nonsignificance, 3-3-23�� CITY OF '' Federal Way STATE ENVIRONMENTAL POLICY ACT (SEPA) DETERMINATION OF NONSIGNIFICANCE (DNS) Twin Trails Preliminary Plat File #: 21-104106-SE Description: Applicant proposes to subdivide King County Parcel No's 242103-9051 and a portion of 242103-9008 into 38 single-family residential lots, with a minimum lot size of 7,200 square feet. The project includes street improvements, storm drainage facilities, and utility improvements. Property is zoned RS 7.2. Location: Unaddressed parcels 242103-9051 and a portion of 242103-9008. Generally south of SW 341st Place and north of SW 344th Street, adjacent to 19th Avenue SW extended, Federal Way, WA Applicant: John Everett, ESM Consulting Engineers, LLC 33400 81 Ave S, Suite 205, Federal Way WA 98003 Lead Agency: City of Federal Way Staff Contact: Associate Planner Natalie Kamieniecki 253-835-2638, natalie.kamieniecki c cit affede ,ralway,com SITE ' '� ••R 3i PUGET SOUND ary a + ... �+ = 10N4ENCEYEIIi •••• IACONA The City's Responsible Official has determined that the proposal does not have a probable significant adverse impact on the environment, and 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 City. A completed environmental checklist and supporting documents are available for review at the City of Federal Way Community Development Department (Federal Way City Hall, 33325 81 Avenue South, Federal Way, WA 98003, 253-835- 7000), from 8 a.m. to 5 p.m., Monday through Friday and the following website: htt s://docs.eit offederalwa .cQni/webliiiklbrowse.as x?id=864307&dbid=0&rc o=citvoffederalway. 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 issuance. Comments must be submitted by 5:00 p.m. on March 17, 2023. Unless modified by the city, this determination will become final following the comment deadline. Any person aggrieved by the determination may file an appeal with the city within 21 days of the above comment deadline. You may appeal this determination to the Federal Way City Clerk no later than. 5:00 p.m. on March 24, 2023, by a written letter stating the reason for the appeal of the determination. You should be prepared to make specific factual objections. Responsible Official: Keith Niven, AICP, CEcD Title: Director of Community Development/SEPA Official Address: 33325 8 h Avenue South, Federal Way, WA 98003 Date Issued: March 3. 2023 Signature: 21-104106-sE RECEIVED Oct zz zozi Department of Community Development 4k CITY OF � LITYOFFEDEMALWAY 33325 8e Avenue South COMMUNITY DEVELOPMENT Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 www.ci Iyvffed_erakvay.com SEPA ENVIRONMENTAL CHECKLIST Purpose of Checklist Governmental agencies use this checklist to help determine whether the environmental impacts of your proposal are significant. This information is also helpful to determine if available avoidance, minimization or compensatory mitigation measures will address the probable significant impacts or if an environmental impact statement will be prepared to farther analyze the proposal. Instructions for Applicants This environmental checklist asks you to describe some basic information about your proposal. Please answer each question accurately and carefully, to the best of your knowledge. You may need to consult with an agency specialist or private consultant for some questions. You may use "not applicable" or "does not apply" only when you can explain why it does not apply and not when the answer is unknown. You may also attach or incorporate by reference additional studies reports. Complete and accurate answers to these questions often avoid delays with the SEPA process as well as later in the decision -making process. The checklist questions apply to all parts of your proposal, even if you plan to do them over a period of time or on different parcels of land. Attach any additional information that will help describe your proposal or its environmental effects. The agency to which you submit this checklist may ask you to explain your answers or provide additional information reasonably related to determining if there may be significant adverse impact. Instructions for Lead Agencies Please adjust the format of this template as needed. Additional information may be necessary to evaluate the existing environment, all interrelated aspects of the proposal and an analysis of adverse impacts. The checklist is considered the first but not necessarily the only source of information needed to make an adequate threshold determination. Once a threshold determination is made, the lead agency is responsible for the completeness and accuracy of the checklist and other supporting documents. Use of Checklist for Nonproject Proposals For nonproject proposals (such as ordinances, regulations, plans and programs), complete the applicable parts of sections A and B plus the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part D). Please completely answer all questions that apply and note that the words "project," "applicant," and "property or site" should be read as "proposal," "proponent," and "affected geographic area," respectively. The lead agency may exclude (for non -projects) questions in Part B - Environmental Elements that do not contribute meaningfully to the analysis of the proposal. Bulletin #050 — October 17, 2016 Page 1 of 15 k:\Handouts\Environmental Checklist CITY OF Federal Way A. BACKGROUND Name of proposed project, if applicable: Twin Trails Subdivision 2. Name of applicant: Prospect Development, LLC 3. Address and phone number of applicant and contact person: Please see attached addendum with additional answers. 4. Date checklist prepared: September 2021. 5. Agency requesting checklist: Department of Community Development 33325 8t' Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 ww■v. ci tyoffedera I way. co m City of Federal Way Community Development Department 6. Proposed timing or schedule (including phasing, if applicable): Construction in Fall 2022. 7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. Yes, the future construction of 38 new single-family residences. 8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal. "Preliminary Geotechnical Engineering Study", by Earth Solutions NW, LLC, dated August 2021. "Wetland and Fish and Wildlife Habitat Assessment Report", by Soundview Consultants, dated September 2021. 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. Yes, BLA application #21-104109 with the City of Federal Way. 10. List any government approvals or permits that will be needed. for your proposal, if known. Preliminary plat approval, engineering review, Traffic concurrency, Boundary Line Adjustment. Note: Approvals and permits are subject to change at agency's discretion. Bulletin #050 — October 17, 2016 Page 2 of 15 k:\Handouts\Environmental Checklist Department of Community Development CITY OF `•• - 33325 8`' Avenue South Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 www.cityoffederalway.com 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. (Lead agencies may modify this form to include additional specific information on project description.) See attached document with additional answers. 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 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. See attached document with additional answers. B. ENVIRONMENTAL ELEMENTS 1. Earth a. General description of the site: (circle one): Flat hilly, steep slopes, mountainous, other b. What is the steepest slope on the site (approximate percent slope)? Approximately 17% 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 agricultural land of long-term commercial significance and whether the proposal results in removing any of these soils. Silty sand with gravel. d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe. None known. e. Describe the purpose, type, total area, and approximate quantities and total affected area of any filling, excavation, and grading proposed. Indicate source of fill. Earthwork will include stripping the site, grading the roadway and lot areas, excavating the detention facilities, installing utilities, and excavating foundation footings. Approximate grading quantities: Cut-- 21,450 cubic yards, fill=34,550 cubic yards, net (fill)= 13, 100 cubic yards. Source of fill is from on -site excavation or from an approved stuctural fill supplier. f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe. No, best management practices will be used on site. Bulletin #050 — October 17, 2016 Page 3 of 15 k:\Handouts\Environmental Checklist Department of Community Development CITY v�� 33325 8`h Avenue South Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 www.Ci�ofF'ederalmom g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)? Approximately 70% of the site will be covered with impervious surfaces after project construction. h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any: Please see attached documents with additional answers. 2. Air a. What types of emissions to the air would result from the proposal during construction, operation, and maintenance when the project is completed? If any, generally describe and give approximate quantities if known. Some heavy machinery exhaust and dust particles generated primarily by construction equipment. After construction the ongoing emissions will primarily come from passenger vehivle exhaust and residential home emissions typical of a 38-home neighborhood. b. Are there any off -site sources of emissions or odor that may affect your proposal? If so, generally describe. Generally, no. Vehicle trips on may SW 341st Pl, SW 344th St, and 19th Ave SW may affect the homeowners; however, this type of impact would not be uncommon for this type of development. c. Proposed measures to reduce or control emissions or other impacts to air, if any: See attached document with additional answers. 3. Water a. Surface Water: 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. There are three off -site wetlands, east of the project parcel. The wetland closest to the site is 150 ft away. 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, work is not adjacent to the described water. 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. The project will not require surface water withdrawals or diversions. Bulletin #050 — October 17, 2016 Page 4 of 15 k:\Handouts\Environmental Checklist 4 CITY OF Federal Way Department of Community Development 33325 8`h Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 www.c itya ffederai way.cof n 5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan. The project does not lie within a 100-year floodplain. 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 known or anticipated discharge of waste water materials to surface waters. b. Ground Water: 1) Will groundwater be withdrawn from a well for drinking water or other purposes? If so, give a general description of the well, proposed uses and approximate quantities withdrawn from the well. Will water be discharged to groundwater? 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. No waste material will be discharged into the ground from septic tanks or other sources. See subsection 3.0 for information on discharge of stormwater. c. Water runoff (including stormwater): 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. Please see attached document with additional answers. 2) Could waste materials enter ground or surface waters? If so, generally describe. Suspended soils and hydrocarbons associated with automobiles may potentially enter the ground waters via storm water. This would be mitigated with water quality facilities installed per City of Federal Way standards. 3) Does the proposal alter or otherwise affect drainage patterns in the vicinity of the site? If so, describe. No- discharge will occur at the discharge location. d.Proposed measures to reduce or control surface, ground, and runoff water, and drainage pattern impacts, if any: None. Bulletin #050 — October 17, 2016 Page 5 of 15 k:\Handouts\Environmental Checklist CITY OF 4k Federal Way 4. Plants a. Check the types of vegetation found on the site: X deciduous tree: alder, maple, aspen, other X evergreen tree: fir, cedar, pine, other X shrubs X grass pasture Department of Community Development 33325 8a' Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 w w w. ci typ ffe de ral way.co ni crop or gram Orchards, vineyards or other permanent crops. 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? Roots will be removed from the topsoil. Topsoil will be stockpiles and reused for landscaping. c. List threatened and endangered species known to be on or near the site. None known. d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any: Drought tolerant plant species and native vegetation will be used by contractor for final landscaping of the home lots. e. List all noxious weeds and invasive species known to be on or near the site. None known. 5. Animals a. List any birds and other animals which have been observed on or near the site or are known to be on or near the site. Examples include: birds: hawk, heron, eagle, ongbir other• crows mammals: deer, bear, elk, beaver, other squirrels, possums, racoons fish: bass, salmon, trout, herring, shellfish, other: b. List any threatened and endangered species known to be on or near the site. None known. Bulletin #050 — October 17, 2016 Page 6 of 15 k:\Handouts\Environmental Checklist 4k CITY OF Federal Way c. Is the site part of a migration route? If so, explain. Department of Community Development 33325 8t' Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 www.ci(yoffedcral %vgv.coni Western Washington is in the Pacific Flyway, which is a major north -south flyway for migratory birds in America. Generally, this site is considered part of the Pacific Flyway. d. Proposed measures to preserve or enhance wildlife, if any: Residential landscaping will provide a measure of suburban wildlife habitat. e. List any invasive animal species known to be on or near the site. No invasive species are known. 6. Energy and Natural Resources a. What kindsof 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. The site will be served by electricity for heating and cooling needs. 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: The future single-family residential homes will be designed to meet Washington State Residential Energy Codes. 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. 1) Describe any known or possible contamination at the site from present or past uses. None known. The project site is in a mapped area of the Tacoma Smelter Plume that is under 20ppm. 2) Describe existing hazardous chemicals/conditions that might affect project development and design. This includes underground hazardous liquid and gas transmission pipelines located within the project area and in the vicinity. No known existing hazardous chemicals or conditions occur on this site. 3) Describe any toxic or hazardous chemicals that might be stored, used, or produced during the project's development or construction, or at any time during the operating life of the project. None are proposed. Bulletin #050 — October 17, 2016 Page 7 of 15 k:\Handouts\Environmental Checklist Department of Community Development 33325 8 h Avenue South CITY OF �� Federal Way, WA 98003-6325 Federal 'Way 253-835-2607; Fax 253-835-2609 www.ci�offederaf waycomwaycom 4) Describe special emergency services that might be required. Emergency medical and 911 services, along with typical fire and'police services may be required per the amount typical to a residential development. No special services are anticipated. 5) Proposed measures to reduce or control environmental health hazards, if any: See attached document with additional answers. b. Noise 1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)? The primary source of noise near the project is the vehicular traffic along SW 344th PI on the south, SW 341st PI on the north and 19th Ave SW. 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. Short-term noise associated with the operation of heavy machinery, including chainsaws, and the removal of materials would be created during the execution of the proposed work. No long-term noise impacts are anticipated from the proposed work. 3) Proposed measures to reduce or control noise impacts, if any: Construction activity will be limited to permitted construction hours and construction equipment will not be allowed to idle for continuous periods of time, which will help mitigate the impacts of potential construction noise. 8. Land and Shoreline Use a. What is the current use of the site and adjacent properties? Will the proposal affect current land uses on nearby or adjacent properties? If so, describe. Parcel #242103-9051 holds a single-family residence and the portion of 242103-9008 within the project boundary is vacant. b. Has the project site been used as working farmlands or working forest lands? If so, describe. How much agricultural or forest land of long-term commercial significance will be converted to other uses as a result of the proposal, if any? If resource lands have not been designated, how many acres in farmland or forest land tax status will be converted to nonfarm or nonforest use? No. 1) Will the proposal affect or be affected by surrounding working farm or forest land normal business operations, such as oversize equipment access, the application of pesticides, tilling, and harvesting? If so, how: No. Bulletin #050 — October 17, 2016 Page 8 of 15 k:\landouts\Environmental Checklist CITY OF VAMM%%Mw-0'0 Federal Way c. Describe any structures on the site. Department of Community Development 33325 8 h Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 w% w.cilyoffedcpl%vay.com There is an existing single-family residence and outback buildings on site. d. Will any structures be demolished? If so, what? Yes, all structures will be demolished. e. What is the current zoning classification of the site? RS 7.2 f. What is the current comprehensive plan designation of the site? Single-family, High Density g. If applicable, what is the current shoreline master program designation of the site? Not applicable, the site does not fall within a shoreline master program designation. h. Has any part of the site been classified as a critical area by the city or county? If so, specify. Yes, City of Federal Way inventoried.a wetland in the project site. However, the wetland report attached to this submittal established an absence of said wetland. i. Approximately how many people would reside or work in the completed project? Assuming 2.63 people per household (U.S. Census), once the plat is fully developed, the total amount of people residing at the completed project would be about 100 (38*2.63). j. Approximately how many people .would the completed project displace? The project will not cause any displacement. k. Proposed measures to avoid or reduce displacement impacts, if any: None proposed. 1. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any: Land use review by the City of Federal Way will occur concurrently with the subdivision review. m. Proposed measures to reduce or control impacts to agricultural and forest lands of long-term commercial significance, if any: None proposed. 9. Housing a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low- income housing. 38 middle -income housing units will be provided. Bulletin #050 — October 17, 2016 Page 9 of 15 k:\Haridouts\Environmental Checklist CITY OF 'A Federal Way Department of Community Development 33325 8 h Avenue South Federal Way, WA 98003-6325 253-835-2607;Fax 253-835-2609 www.cityoffekralway.com b. Approximately how many units, if any, would be eliminated? Indicate whether high-, middle-, or low-income housing. One middle -income housing unit will be eliminated. c. Proposed measures to reduce or control housing impacts, if any: No measures to reduce or control housing impacts are proposed. 10. Aesthetics a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed? The buildings will not exceed RS-7.2's regulations per the City of Federal Way Zoning Code. Exterior building materials have not been determined yet. b. What views in the immediate vicinity would be altered or obstructed? None. c. Proposed measures to reduce or control aesthetic impacts, if any: Landscaping around site perimeters as dictated by City of Federal Way Zoning code, single-family buildings and road frontage are proposed with this project. 11. Light and Glare a. What type of light or glare will the proposal produce? What time of day would it mainly occur? Minimal glare would occur from sunlight reflected off of parked cars. During the evening, headlights of traveling vehicles may have a brief impact. Additional light from houses in the evening would occur. b. Could light or glare from the finished project be a safety hazard or interfere with views? Not as proposed. c. What existing off -site sources of light or glare may affect your proposal? None are known. d. Proposed measures to reduce or control light and glare impacts, if any: None proposed. However, landscaping around the site has potential to reduce or control light and glare impacts. 12. Recreation a. What designated and informal recreational opportunities are in the immediate vicinity? The Light of Christ Community Garden is .2 miles west from the project site. Danville Station Park is 0.3 miles south of the site. Access to the BPA trail is 0.4 miles southeast of the project site. Bulletin #050 — October 17, 2016 Page 10 of 15 k:\landouts\Environmental Checklist Department of Community Development 33325 8`h Avenue South CITY of �.� Federal Way, WA 98003-6325 Federal allay 253-835-2607; Fax 253-835-2609 www.ci tyoffederal way,�mway�� b. Would the proposed project displace any existing recreational uses? If so, describe. No, the proposed project would not displace any existing recreational uses. c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any: Fees will be paid to City of Federal Way Parks Department as deemed fit by the City. 13. Historic and Cultural Preservation a. Are there any buildings, structures, or sites, located on or near the site that are over 45 years old listed in or eligible for listing in national, state, or local preservation registers ? If so, specifically describe. There is one property near the project site that has been identified as old enough to be inventoried as old enough to be inventoried and classified as derived from the Assessor. Subject parcel 4192104-9032. b. Are there any landmarks, features, or other evidence of Indian or historic use or occupation? This may include human burials or old cemeteries. Are there any material evidence, artifacts, or areas of cultural importance on or near the site? Please list any professional studies conducted at the site to identify such resources. None known. c. Describe the methods used to assess the potential impacts to cultural and historic resources on or near the project site. Examples include consultation with tribes and the department of archeology and historic preservation, archaeological surveys, historic maps, GIS data, etc. ESM utilized GIS data from WISAARD to assess potential cultural historic resource impacts near the project site. King County Historic Preservation GIS data was also utilized to analyze the location of landmarks. d. _Proposed measures to avoid, minimize, or compensate for loss, changes to, and disturbance to resources. Please include plans for the above and any permits that may be required. Please see the attached additional answers. 14. Transportation a. Identify public streets and highways serving the site or affected geographic area and describe proposed access to the existing street system. Show on site plans, if any. The project site is served by SW 341st St, 19th Ave SW, and SW 144th St. The project proposes to extend 19th Ave SW through a 60' wide public road. The project site will also provide a 52' wide public cul-de-sac. b. Is the site or affected geographic area currently served by public transit? If so, generally describe. If not, what is the approximate distance to the nearest transit stop? The site is served. by bus line 181. The bus stop is located in the Twin Lakes Park & Ride. Bulletin #050 — October 17, 2016 Page 11 of 15 k:\Handouts\Environmental Checklist Department of Community Development 33325 8`h Avenue South CITY OF �KJ Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 www.citvoffederal way.com c. How many additional parking spaces would the completed project or non -project proposal have? How many would the project or proposal eliminate? The project will provide a minimum of 76 off street parking spaces and will eliminate none. d. Will the proposal require any new or improvements to existing roads, streets, pedestrian, bicycle or state transportation facilities, not including driveways? If so, generally describe (indicate whether public or private). The project will require a public 60' wide road, a 52' wide public cul-de-sac, private 25' private access tracts, and 20' wide private access tract. e. Will the project or proposal 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 or proposal? If known, indicate when peak volumes would occur and what percentage of the volume would be trucks (such as commercial and nonpassenger vehicles). What data or transportation models were used to make these estimates? ITE Trip Gen Data, 10th Edition applies 9.44 as rate of trips per dwelling unit. Given the finished development will provide 38 single_ -family homes the finished project will produce 359 average daily passenger vehicle trips for the subdivision. g. Will the proposal interfere with, affect or be affected by the movement of agricultural and forest products on roads or streets in the area? If so, generally describe. No. h. Proposed measures to reduce or control transportation impacts, if any: Provide internal circulation road. Payment of traffic impact fees as necessary to the City of Federal Way. 15. Public Services a. Would the project result in an increased need for public services (for example: fire protection, police protection, public transit, health care, schools, other)? If so, generally describe. The completed single-family residences would result in a slightly increased need for public services to include fire protection, police protection and health care. b. Proposed measures to reduce or control direct impacts on public services, if any. The increased demand will be offset by impact fees, levies, and taxes required to be paid by the applicant as part of this development, and future residents of the completed project. The project has been designed in a manner that will provide adequate access for fire, medic and police vehicles. 16. Utilities a. Circle utilities currently available at the site: ectricl , natural gas, ater, refuse service, telephone, sanitary sew septic system, other Bulletin #050 — October 17, 2016 Page 12 of 15 k:\Handouts\Environmental Checklist 41k CITY OF Federal Way Department of Community Development 33325 8`h Avenue South Federal Way, WA 98003-6325 253-835-2607; Fax 253-835-2609 w ww.ci tyoffede ral way.Com 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. Sewer: Lakehaven W&S District Water: Lakehaven W&S District Power: PSE 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 decision: Signature: Name of Signee: John Everett Planning Director Position and Agency/Organization: ESM Consultk& Engineers LLC Date Submitted: September 2021 Bulletin #050 —*October 17, 2016 Page 13 of 15 k:\11andoutsTrivironmental Checklist Department of Community Development � 33325 8`h Avenue South CITY OF Federal Way, WA 98003-6325 Federal Way 253-835-2607; Fax 253-835-2609 www.ci tyo ffedera I way.com D. SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (IT IS NOT NECESSARY to 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? Proposed measures to avoid or reduce such increases are: 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 the 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: Bulletin #050 — October 17, 2016 Page 14 of 15 k:\Handouts\Environmental Checklist Department of Community Development � 33325 8`h Avenue South CITY OF Federal Way, WA 98003-6325 Federa I 'Way 253-835-2607; Fax 253-835-2609 www.cilyof(o,deralway.com 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 are: 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 demand(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. Bulletin #050 — October 17, 2016 Page 15 of 15 k:\Handouts\Environmental Checklist RECEIVED Oct 27 2021 CITY OF FEDERAL WAY COMMUNITY DEVELOPMENT SEPIA Checklist Additional Answers - Twin Trails 3. Address and phone number of applicant and contact person: # Applicant: Prospect Development, LLC; C/O: Clay Loomis 22913 5th Ave NE, Suite 201 Puyallup, WA 98372 Ph: (206) 276-7526 Email: Clay@loomis.ws Agent: ESM Consulting Engineers, LLC; C/O: John Everett 33400 8t' Ave S, Suite 205 Federal Way, WA 98003 Ph: (253) 838-6113 Email: John.everett@esmcivil.com 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. (Lead agencies may modify this form to include additional specific information on project description.) The applicant is seeking permit approval to subdivide King County Parcel Nos. 242103- 9051 and a portion of 242103-9008 located in City of Federal Way. The project would result in 38 single-family residential lots and lead to the construction of residences with driveways, public roads, utility services, private access tracts, and a stormwater tract. 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 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. King County Parcel #: 242103-9051 Legal description: S 412 1/3 FT OF N 824 1/3 FT OF E 264 FT OF SE 1/4 OF NE 1/4 King County Parcel #: 242103-9008 Legal description: S 3/8 OF SE 1/4 OF NE 1/4 EX CO RD B.1. Earth h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any" The applicant will institute an erosion control plan to be used during earthwork and construction and are shown on the Clearing and Grading Plans for the Twin Trails Subdivision. This includes silt fencing, temporary sediment pond, covering exposed soils, and temporary/permanent stabilization of exposed soils. B.2. Air c) Proposed measures to reduce or control emissions or other impacts to air, if any All construction equipment will be in proper working order and regulated for emissions by the manufacturer and local emission laws. Vehicles entering and leaving the site will also be regulated for emissions by state and local emission laws. Dust control BMPs will be implemented as necessary during construction. B. 3. Water c. Water runoff (including stormwater) 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. The proposed site improvements, will increase the impervious surface area of the site, causing an increase in stormwater runoff volumes and velocities. To mitigate a portion of the stormwater impacts, the storm drainage improvements for'the project consists of a retention facility designed to accommodate the stormwater quantity control requirements by infiltrating runoff from the proposed and existing improvements. All detained stormwater on the project parcels will be treated to the required treatment standards prior to discharge. The retention/infiltration facility is proposed to retain the majority of the project stormwater onsite resulting in little to no additional stormwater to the downstream city storm network. 7. Environmental Health a. 5) Proposed measures to reduce or control environmental health hazards, if any' State regulations regarding safety and the handling of hazardous materials will be followed during the construction process. Equipment refueling areas would be located in areas where spill could be quickly contained and where the risk of hazardous materials entering the surface water is minimized. 13. Historic and cultural preservation d. Proposed measures to avoid, minimize, or compensate for loss, changes to, and disturbance to resources. Please include plans for the above and any permits that may be required. If any such historic or cultural evidence is encountered during construction or installation of improvements, work will be halted in the area and a state -approved archeologist/historian will be engaged to investigate, evaluate and/or move or curate such resources, as appropriate. Classified Proof GRIM 242141 - City of Federal Way- LEGALS Phone (253) 835 -250 1 .*IJ11 . Community Services, 33325 8th Ave S. E-Mail Karic@cityoYfederalway.cam Federal Way, WA, 98003 Fax Orderi: 972577 Requested By KART CIMMER Order Prke $121.83 Classif eatidn 3030 - Legal Notices po # DNS TWIN TRAILS Tax I SUO Stan Date 03/03/2023 Created By 8280 Tax 2 $0.00 End Dare 03103/2023 Creation r, o� . 0310112023, 10:27:37 am Total NCE $121.83 Run 'i ,.r-c 1 Paymcnt 50.00 Publication(s) Federal Way h1irror Salcs Rep 9470 - Icnnirer Tribbett Phoac. (360) 902-9212 !`Mail jtribWt@courienccrald.cam Fax Proofed by Jennifer Tribbett, 03/01/2023 10.:28:50 am Page: I Classified Proof CITY Or 'A Federal Way STATE ENVIRONMENTAL POLICY ACT (SEPA) NOTICE OF DETERMINATION OF NONSIGNIFICANCE IDNSjTvAn Trails Preliminary Plat File W' 21-104106SE Project Description: Applicant proposes to subdivide King County Parcel Nos ?42103- 9051 and a portion of 242103-9008 into 38 sin- gle-family residential lots, with a minimum lot size of 7,200 square feet. The project in- cludes street improve- ments, storm drainage lar:;:;ies, and utility im- provements. Property is zoned IRS 7.2. Project Applicant Con- tact: John Everett, ESM Consulting Engineers, LLC 33400 8th Avenue S, Suite 205, Federal Way, WA 98003. Pro1 ect Location: Gan- eraliy south of SW 3aIst Place and north of SW 344th Street, adjacent to 19th Avenue SW ex- tended, Federal Way, WA. Date of Application: October 27, 2021 Date Determined Com- plete: November 24, 2021 Date of Notice of Appli- cation: December 3, 2021 Notice of SEPA Deter- mination: March 3, 2023SEPA Comment Period: March 17, 2023 SEPA Appeal Period: March 24, 2023 Proofed by Jennifer Tribbett, 03/01/2023 10:28:50 am Page: 2 Classified Proof The City's Responsible Official has determined that the proposal does not have a probable sig- nificant adverse impact on the environment, and 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 City. A completed environ- mental checklist and supporting documents are available for review at the City of Federal Way Community Devel- opment Department (Federal Way City Hall, 33325 8th Avenue South, Federal Way, WA 98003, 253-835-7000), from 6 a.m. to 5 p.m., Monday through Friday and the following web - site: https-lldacs.citvo} federalway.coml weblink)browse.aspx lid=864307&dbid=0& repo=citvoifedera IwaX, This DNS is issued un- der WAC 197-11-340(2). The lead agency will not act on this proposal for 14 days from the date of issuance: Comments must be submitted byy 5:00 p.m. on March 17. 2023. Unless modified by the city, this determi- nation will become final following the comment deadline. Any person aggrieved by the deter- mination may file an ap- peal with the city within 21 days of the above comment deadline. You may appeal this determi- nation to the Federal Way City Clerk no later then 5:00 p.m. on March 24, 2023, by a written letter stating the reason for the appeal of the de- termination. You should be prepared to make specific factual objec- tions. Staff Cantact: Assn» elate Pienner Natalie Ka- miehiecki, naiahe.kamiamecki�$ cilvoffed era Tway. com 253-835-2638 Printed in the Federal Way Mirror March 3, 2023 #972577 Proofed by Jennifer Tribbett, 03/01/2023 10:28:50 am Page: 3