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Home My WebLink AboutERC Applicant Letter DNSM_20250527 May 27, 2025 Blake Costa City of Renton 1055 S Grady Way Renton, WA 98057 SUBJECT: ENVIRONMENTAL (SEPA) THRESHOLD DETERMINATION 116th Ave SE Sidewalk Project, LUA25-000107, ECF / PR25-000032 Dear Mr. Costa: This letter is written on behalf of the Environmental Review Committee (ERC) to advise you that they have completed their review of the subject project and have issued a threshold Determination of Non - Significance-Mitigated with one (1) mitigation measure. Please refer to the enclosed ERC Report and Decision for more details. Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on June 10, 2025. Appeals must be submitted electronically to the City Clerk at cityclerk@rentonwa.gov or delivered to City Hall 1st floor Lobby Hub Monday through Friday. The appeal fee, normally due at the time an appeal is submitted, will be collected at a future date if your appeal is submitted electronically. The appeal submitted in person may be paid on the first floor in our Finance Department. Appeals to the Hearing Examiner are governed by RMC 4-8-110 and additional information regarding the appeal process may be obtained from the City Clerk’s Office, cityclerk@rentonwa.gov. If the Environmental Determination is appealed, an appeal public hearing will be set and all parties of record will be duly notified in accordance with RCW 43.21C.110 and WAC 197-11-535. For the Environmental Review Committee, Clark H. Close Current Planning Manager Enclosure cc: Duwamish Tribe, King County Metro / Parties of Record DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT ENVIRONMENTAL (SEPA) DETERMINATION OF NON-SIGNIFICANCE - MITIGATED (DNS-M) Project File Numbers: Project Name: LUA25-000107, ECF / PR25-000032 116th Ave SE Sidewalk Project Applicant/Owner/Contact: Blake Costa, City of Renton, 1055 S Grady Way, Renton, WA 98057 Project Location: West side of 116th Ave SE between SE 160th St and SE 162nd St Project Description: The applicant is requesting Environmental (SEPA) Review to construct sidewalk and stormwater improvements within the right -of-way of 116th Ave SE between SE 160th St and SE 162nd St across the street from Cascade Elementary School. The sidewalk construction project is approximately 880 linear feet and is located adjacent to Residential-6 (R-6) and Residential-8 (R-8) zoning districts and designated Residential Medium Density (RMD) in the Comprehensive Plan. The project proposes to install a new sidewalk, ADA -compliant curb ramps, and Rectangular Rapid Flashing Beacons (RRFBs) to improve pedestrian safety and access. In addition, the existing roadside ditch will be replaced with a new stormwater conveyance system, and the west side of the roadway will be regraded to manage runoff and connect to existing infrastructure. No private property impacts or easements are required. No trees are proposed to be removed. According to City of Renton (COR) Maps, there is a moderate coalmine hazard and regulated slopes are present within the project area. Lead Agency: City of Renton Environmental Review Committee Department of Community & Economic Development Date of Decision: May 27, 2025 Mitigation Measures: 1.The applicant shall prepare and submit an Inadvertent Discovery Plan (IDP) prior to the start of any ground-disturbing activities. In addition, the applicant shall provide notification to the Duwamish Tribe’s cultural committee prior to the start of construction per the Duwamish Tribe's comments. The City of Renton Environmental Review Committee has determined that probable significant environmental impacts from the proposed project can be mitigated. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-9-070D Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Because other agencies of jurisdiction may be involved, the lead agency will not act on this proposal for fourteen (14) days. Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on June 10, 2025. Appeals must be submitted electronically to the City Clerk at cityclerk@rentonwa.gov or delivered to City Hall 1st floor Lobby Hub Monday through Friday. The appeal fee, normally due at the time an appeal is submitted, will be collected at a future date if your appeal is submitted electronically. The appeal submitted in person may be paid on Docusign Envelope ID: AEC556D5-B1D2-466F-A8B7-3AD302417848 Environmental Review Committee Determination May 27, 2025 Page 2 of 2 SIGNATURES: Martin Pastucha, Administrator Public Works, Chair Date Anjela Barton, Fire Marshal Renton Regional Fire Authority Date Maryjane Van Cleave, Administrator Parks and Recreation Date Gina Estep, Administrator Date Community and Economic Development the first floor in our Finance Department. Appeals to the Hearing Examiner are governed by RMC 4 -8-110 and additional information regarding the appeal process may be obtained from the City Clerk’s Office, cityclerk@rentonwa.gov. Docusign Envelope ID: AEC556D5-B1D2-466F-A8B7-3AD302417848 5/27/2025 | 10:01 AM PDT5/27/2025 | 4:21 PM PDT 5/27/2025 | 10:03 AM PDT for DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT Planning Division 1055 South Grady Way, 6th Floor | Renton, WA 98057 | 425-430-7200, ext. 2 www.rentonwa.gov NOTICE OF ENVIRONMENTAL DETERMINATION ISSUANCE OF A DETERMINATION OF NON-SIGNIFICANCE - MITIGATED (DNS-M) POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION DNS-M: After review of the completed environmental checklist and other information on file, the City of Renton Environmental Review Committee (ERC) has determined that the proposed action has probable significant impacts that can be mitigated through mitigation measures. This DNS-M is issued after using the optional DNS process in WAC 197-11-355. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). Please note that the issuance of this determination DOES NOT constitute approval of th e proposal. DATE OF NOTICE OF ENVIRONMENTAL DETERMINATION: May 27, 2025 PROJECT NAME/NUMBER: 116th Avenue SE Sidewalk Project / LUA25-000107, ECF / PR25-000032 PROJECT LOCATION: West side of 116th Ave SE between SE 160th St and SE 162nd St APPLICANT/PROJECT CONTACT PERSON: Blake Costa, City of Renton, 1055 S Grady Way, Renton, WA 98057 / bcosta@rentonwa.gov LOCATION WHERE APPLICATION MAY BE REVIEWED: Applicant documents are available online through the City of Renton Document Center website. See also https://rb.gy/8hceeb. PROJECT DESCRIPTION: The applicant is requesting Environmental (SEPA) Review to construct sidewalk and stormwater improvements within the right-of-way of 116th Ave SE between SE 160th St and SE 162nd St across the street from Cascade Elementary School. The sidewalk construction p roject is approximately 880 linear feet and is located adjacent to Residential-6 (R-6) and Residential-8 (R-8) zoning districts and designated Residential Medium Density (RMD) in the Comprehensive Plan. The project proposes to install a new sidewalk, ADA-compliant curb ramps, and Rectangular Rapid Flashing Beacons (RRFBs) to improve pedestrian safety and access. In addition, the existing roadside ditch will be replaced with a new stormwater conveyance system, and the west side of the roadway will be regraded to manage runoff and connect to existing infrastructure. No private property impacts or easements are required. No trees are proposed to be removed. According to City of Renton (COR) Maps, there is a moderate coalmine hazard and regulated slopes are present within the project area. Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on June 10, 2025. Appeals must be submitted electronically to the City Clerk at cityclerk@rentonwa.gov or delivered to City Hall 1st floor Lobby Hub Monday through Friday. The appeal fee, normally due at the time an appeal is submitted, will be collected at a future date if your appeal is submitted electronically. The appeal submitted in person may be paid on the first floor in our Finance Department. Appeals to the Hearing Examiner are governed by RMC 4 -8-110 and additional information regarding the appeal process may be obtained from the City Clerk’s Office, cityclerk@rentonwa.gov. PUBLIC HEARING: If the Environmental Determination is appealed, an appeal public hearing will be set and all parties of record will be duly notified in accordance with RCW 43.21C.110 and WAC 197-11-535.