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MDNS Signed 001MITIGATED DETERMINATION OF NONSIGNIFICANCE Proponent: Yelm Community Schools SEPA NO: 8362 Description of Proposal: Yelm Community Schools Capital Facilities Improvements within the City of Yelm, including Yelm High School Modernization and Addition, New Junior High School, and Fort Stevens Elementary School Addition. Location of the Proposal: Within the corporate limits of the City of Yelm, Washington Threshold Determination: The City of Yelm as lead agency for this action has determined that this proposal does not have a probable significant adverse impact on the environment. Therefore, an environmental impact statement (EIS) will not be 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. Conditions/Mitigating Measures: SEE ATTACHED Lead agency: City of Yelm Responsible Official: Grant Beck, Community Development Director Date of Issue: April 26, 2004 r t adlinQ: May 10, 2004 A yea a line•/• May 17, 2004 Gran Beck, Community Development Director is Mitigatetl Determination of Non-Signifcance is issuetl pursuant to Washington Administrative Code 197-11- 340(2). The City of Yelm will not ad on this proposal prior to 5:00 p.m May 17, 2004. Comments must he submitted to Grant Beck, Community Development Department at City of Velm, 105 Yelm Avenue West, P.O. Boz 479, Yelm, WA 98597, by 5:00 p.m. May 10, 2004. You may appeal this determination to the Velm City Council, at above address, by submitting a written appeal no later than 5:00 p. m. May 17, 2004. You should be prepared to make specifc factual objections Contact Grant Beck, Community Development Director, to learn more about the procedures for SEPA appeals. This MDNS is not a permit antl does not by itself constitute project approval. The applicant must comply with all applicable requirements of the City of Yelm prior to receiving construction permits which may include but are not limited to the City of Yelm Comprehensive Plan, Zoning Code (Title 17 YMC), Critical Areas Code (Chapter 14.08), Storm water Drainage Design and Erosion Control Manual (DOE), Uniform Building Code, and the Development Guidelines of the City of Yelm. DO NOT PUBLISH BELOW THIS LINE Published: Nisqually Valley News April 30, 2004 Posted in public areas: April 26, 2004 Copies to. Dept. of Ecology w/checklist All agencies/citizens on SEPA mailing list and adjacent property owners. Attachment SEPA Case Number 8362 Findings of Fact This Mitigated Determination of Non Significance is based on the project as proposed and the impacts and potential mitigation measures reflected in the following environmental documents: / Draft Expanded Environmental Checklist (dated December 2003) / Expanded Environmental Checklist (dated April, 2004) / Preliminary Storm Drainage and Erosion Control Report (dated December 2003) / Yelm Community Schools District Number 2 Capital Facilities Plan (dated May 2003) The traffic impact analysis (TIA) and environmental documents indicates that: / The High School Addition/Remodel has a design capacity of 1,325 students, which will be achieved by 2008/2009. The new Junior High Schaal has a design capacity of 750 students. The present High School has a design capacity of 932 students. / The developer would extend the two-way left turn lane on SR 510 east of the easternmost High School driveway 250 feet. / The developer would complete frontage improvements along SR 510 to the Urban Arterial standard. / The developer would extend the two way left turn lane on SR 510 west of the northwest High School driveway 100 feet. / The developer would construct abus-only access on 93rtl Street and require all buses to utilize 93rtl Street as the only entry to the High School site. / A 100 foot left turn lane on SR 507 at Carter Street would be warranted. / Frontage improvements consistent with Yelm Development Guidelines, which identify Mill Road as a neighborhood collector would be appropriate. 3. The establishment of a bus-only entrance on 93`tl will impact the level of service at the intersection of SR 507 and 93rd Street as any additional left turns will increase the delay to traffic traveling east on SR 507. Presently, traffic entering the High School accounts for 42% of the eastbound traffic on SR 507 at the entrance to the High School. 4. The City of Yelm has adopted a concurrency management system as required by the Growth Management Act. Chapter 15.40 YMC (concurrency Management) is designed to ensure that the improvements required to support development are available at the time of development. A concurrency determination may be issued for a proposal as it relates to transportation issues when: the development provides on-site frontage improvements; the project makes off-site improvements as necessary to provide for the safe movement of traffic; and the project makes a contribution to projects identified the six year transportation improvement program in the form of a Transportation Facilities Charge. The Growth Management Act at Section 36.70.070 (6)(b) states that a finding of concurrency can be issued when required improvements are in place at the time of development or that a financial commitment is in place to complete the improvements or strategies within six years. 5. Improvements to West Yelm Avenue (SR 510), including a two way center turn lane, is listed as a project on the 2003 - 2008 Transportation Improvement Program. There is no financial commitment currently in place to complete the improvement. 6. The City of Yelm is identified as a Critical Aquifer Recharge Area, a designated environmentally sensitive area. Potential Impacts to groundwater quality and quantity will be mitigated through the implementation of the 1992 DOE stormwater manual as adopted by the City of Yelm. Mitigation Measures 1. The developer shall mitigate transportation impacts based on the P.M. peak hour trips generated by the project, which is 0.02 trips per student for elementary and junior high schools and 0.04 trips per student for high schools. A TFC of $750.00 per P.M. peak trip will be assessed for additional student capacity at the time of building permit issuance. 2. Prior to final occupancy of the new High School, the following transportation improvements shall be completed: / The developer shall construct a center turn lane from the intersection of SR 510 and 93rd Street to a point 250 feet east of the easternmost access to the High School. Traffic Facilities Charges shall be credited towards this improvement. / The developer shall improve SR 510 to the Urban Arterial standard along the School Districts property abutting SR 510. / The developer shall restripe SR 507 west of the intersection of SR 510 and SR 507 (Yelm Avenue and First Street) to Edwards Street with a dedicated left turn to at least Railroad Avenue. Traffic Facilities Charges shall be credited towards this improvement. 3. Prior to final occupancy of the new Junior High School, the following transportation improvements shall be completed: / A dedicated left turn lane of at least 200 feet of storage southbound on SR 507 to the intersection of SR 507 and Carter Street is warranted by the new Junior High School. The developer of the Hawks Landing subdivision is required and has committed to construct 100 feet of dedicated left turn lane into Carter Street, leaving 100 additional feet required for the Junior High School. If the developer of the Hawks Landing subdivision does not complete his required improvement prior to occupancy of the new Junior High, the Yelm School District will be required to construct the entire required improvement. In that event, the City of Yelm shall require the developer of Hawks Landing to contribute his share of the cost of his required improvement to the District or the City will contribute any proceeds from the Hawks Landing developers bond to the District. Traffic Facilities Charges shall be credited towards this improvement / The developer shall enter into a deferral agreement for required half street frontage improvements along the School Districts property boundary to a neighborhood collector standard.