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Home My WebLink AboutC_ERC_Addendum_Determination_Agency_Letter_180511.pdf Enclosure cc: King County Wastewater Treatment Division Ramin Pazooki, WSDOT, NW Region Boyd Powers, Department of Natural Resources Larry Fisher, WDFW Karen Walter, Fisheries, Muckleshoot Indian Tribe Duwamish Tribal Office Melissa Calvert, Muckleshoot Cultural Resources Program US Army Corp. of Engineers Gretchen Kaehler, Office of Archaeology & Historic Preservation Washington State Department of Ecology May 11, 2018 Washington State Department of Ecology Environmental Review Section PO Box 47703 Olympia, WA 98504-7703 Subject: ENVIRONMENTAL (SEPA) THRESHOLD DETERMINATION ADDENDUM Addendum to the Shuttle Express Parking Lot (LUA13-001322, ECF) as Addended by the City of Renton (LUA18-000242, CU-A) Determination of Non-Significance (DNS) Transmitted herewith is a copy of the Environmental Determination for the following project reviewed by the Environmental Review Committee (ERC) on May 7, 2018: SEPA DETERMINATION: Determination of Non-Significance (DNS) PROJECT NAME: SW 16th Street Parking Lot Expansion PROJECT NUMBER: LUA18-000242, CU-A Please refer to the enclosed Notice of Environmental Determination for complete details. If you have questions, please call me at (425) 430-7289. For the Environmental Review Committee, Clark H. Close Senior Planner DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT Planning Division 1055 South Grady Way, 6th Floor | Renton, WA 98057 | 425-430-7200 www.rentonwa.gov FOR FURTHER INFORMATION, PLEASE CONTACT THE CITY OF RENTON, DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT AT (425) 430-7200. DO NOT REMOVE THIS NOTICE WITHOUT PROPER AUTHORIZATION PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION. NOTICE OF ENVIRONMENTAL DETERMINATION ADDENDUM ADDENDUM TO THE SHUTTLE EXPRESS PARKING LOT (LUA13-001322, ECF) AS ADDENDED BY THE CITY OF RENTON (LUA18-000242, CU-A) DETERMINATION OF NON-SIGNIFICANCE (DNS) POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION DNS: THE CITY OF RENTON ENVIRONMENTAL REVIEW COMMITTEE (ERC) HAS DETERMINED THAT THE PROPOSED ACTION DOES NOT HAVE A SIGNIFICANT ADVERSE IMPACT ON THE ENVIRONMENT. DATE OF NOTICE OF ENVIRONMENTAL DETERMINATION: May 11, 2018 PROJECT NAME/NUMBER: SW 16th Street Parking Lot Expansion / LUA18-000242, CU-A PROJECT LOCATION: 800 SW 16th St, Renton, WA 98057 APPLICANT/PROJECT CONTACT PERSON: Robert McNeill, Barghausen Consulting Engineers, Inc. / bmcneill@barghausen.com / 18215 72nd Ave S, Kent, WA 98032 LOCATION WHERE APPLICATION MAY BE REVIEWED: Applicant documents are available online through the City of Renton Document Center website. See also https://bit.ly/2jQJ3Iw PERMITS/REVIEW REQUESTED: Environmental (SEPA) Review, Administrative Conditional Use PROJECT DESCRIPTION: The applicant is requesting an Administrative Conditional Use Permit for the proposed expansion of an existing parking field. The project site is located within the Medium Industrial (IM) zone at 800 SW 16th St. Currently, the existing property is 141,525 square feet (3.25 acres) and contains a 20,476 square foot office building and a 4,824 square foot storage warehouse building. The parcel is occupied by Shuttle Express. No construction is being proposed for any existing structures. Vehicular access to the existing site is currently provided at two locations; one via a driveway on SW 16th St and the other via Raymond Ave SW. The preliminary proposed site plan includes one new driveway curb cut on SW 16th St, west of the existing access. The proposed project includes expanding the existing parking lot to the west and south in order to accommodate Renton Toyota vehicles as overflow vehicle storage. The total proposed future paved parking area for Toyota would be approximately 78,150 square feet. The estimated excavation and fill to complete the construction would include 600 cubic yards of cut and 600 cubic yards of fill. The applicant is proposing to retain five (5) of the 17 significant trees onsite. High seismic hazards and a 100-year special flood hazard area are mapped on the project site. CONTACT PERSON: Clark H. Close, Senior Planner; Tel: (425) 430-7289; Email: CClose@Rentonwa.gov SW 16th St Raymond Ave SW DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT ADDENDUM TO ENVIRONMENTAL (SEPA) DETERMINATION OF NON-SIGNIFICANCE (DNS) Pursuant to WAC 197-11-600(4)(c) and WAC 197-11-625 Addendum to the Shuttle Express Parking Lot (LUA13-001322, ECF) as Addended by the City of Renton (LUA18-000242, CU-A) Determination of Non-Significance (DNS) Date of Addendum: May 7, 2018 Date of Original Issuance of SEPA Threshold Determination: November 18, 2013 Proponent: Robert McNeill, Barghausen Consulting Engineers, Inc. Project Numbers: LUA13-001322, ECF and LUA18-000242, CU-A Project Name: 800 SW 16th Street Parking Lot Expansion (formerly Shuttle Express Parking Lot) Proposal / Purpose of Addendum: The original SEPA threshold determination for Shuttle Express was issued on November 18, 2013 (Exhibit 2). The original application included a proposal to develop a 15,000 square foot area of 800 SW 16th St with a porous asphalt parking lot immediately south of the existing Shuttle Express building located within the Medium Industrial (IM) zone (Exhibit 3). The 3.25 acre parcel contains a 4,824 square foot storage warehouse building, a 20,476 square foot office building (occupied by Shuttle Express), landscaping, and onsite paved parking (Exhibit 4). The initial proposal included expanding the existing parking area by 36 parking stalls for buses and employees using approximately 1.01 acres of the site. A new 14-foot wide curb cut was also proposed in order to allow egress from the expanded parking area to SW 16th St. In addition, the original parking lot expansion proposal included constructing frontage improvements along SW 16th St and a waiver for street improvements along Raymond Ave SW. The 2013 proposal included removing two (2) existing trees and replanting the site with 27 new trees. No public comments were received and a Determination of Non-Significance (DNS) was issued by the Environmental Review Committee. The 14-day appeal period ended on December 2, 2013. The intended purpose of this SEPA Addendum is to disclose any proposed changes to the project. The revised project would require an Administrative Conditional Use Permit to expand the existing parking lot to both the west and the south in order to accommodate Renton Toyota DocuSign Envelope ID: EA15E47A-87FA-44B3-AFD5-F8F49BCCB923 Addendum to Environmental (SEPA) Review Page 2 of 4 May 7, 2018 vehicles as overflow vehicle storage (Exhibit 5). No construction would occur on any of the existing structures and the office building would remain occupied by Shuttle Express. The new proposal would include adding both pervious and impervious paving. Impervious paving would be limited to the drive aisles (primarily to address flow control issues) and pervious pavement would be incorporated into the parking areas. The proposal would add 60 additional paved and striped parking spaces (20 for Shuttle Express and 40 for Toyota of Renton). The new proposal would convert approximately 36,134 square feet of the remaining lawn to pavement within the site. Vehicular access to the existing site is currently provided at two locations; one via a driveway on SW 16th St and the other via Raymond Ave SW. The preliminary proposed site plan includes one (1) new driveway curb cut on SW 16th St, west of the existing access. The estimated excavation and fill to complete the construction work would include 600 cubic yards of cut and 600 cubic yards of fill (previously estimated at roughly 937 cubic yards of cut and roughly 558 cubic yards of fill). The current proposal includes retaining five (5) of the 17 significant trees onsite (Exhibits 6 and 7). A total of 56 new trees, 210 shrubs, and ground cover are proposed to be planted as part of the project improvements (Exhibit 8). The City of Renton (COR) Mapping system indicates the northern portion of the property is within a 100-year special flood hazard area, Zone AH. Zone AH is a Special Flood Hazard identified by the 1995 Flood Insurance Rate Map. According to the applicant, the project would provide an estimated flood elevation of 19.5 feet and the total flood storage volume would increase from 19,930 cubic feet to 20,013 cubic feet (Exhibit 9). As a result, there would not be any changes to affect the base flood elevation (the first floor elevation of the existing building is approximately 3.2 feet above base flood elevation). The project proposes to provide equivalent storage after construction. Additional flood protection requirement would be reviewed for compliance during civil construction review. COR maps has also identified a High Seismic Hazard Area on the subject property. No new structures are proposed. Right-of-way dedications would be provided in accordance with Renton Municipal Code, including an 11.5-foot dedication along SW 16th St frontage and a 4.5 -foot dedication along Raymond Ave SW frontage. The applicant would be responsible for installing street frontage improvements along SW 16th St, which would include a pavement width of 22 feet from the centerline, a new 0.5-foot wide curb, an 8-foot wide planter strip, an 8-foot wide sidewalk, street trees and storm drainage improvements. The applicant requested a waiver of frontage improvements along Raymond Ave SE as part of the previously approved land use application (LUA13-001322), which was approved as part of the environmental review. Pursuant to the City of Renton's Environmental Ordinance and SEPA (RCW 43.21C, 1971 as amended), on November 18, 2013, the Environmental Review Committee issued a Determination of Non-Significance (DNS) for the Shuttle Express Parking Lot. The 14-day appeal period ended on December 2, 2013. No appeals of the threshold determination were filed. Analysis: It has been determined that the environmental impacts of the proposal were adequately addressed under the analysis of significant impacts contained within the previously DocuSign Envelope ID: EA15E47A-87FA-44B3-AFD5-F8F49BCCB923 Addendum to Environmental (SEPA) Review Page 3 of 4 May 7, 2018 adopted DNS. Based on WAC 197-11-600(4)(c), the addendum process may be used if analysis or information is added that does not substantially change the analysis of significant impacts and alternatives in the existing environmental document. The additional pavement area, parking spaces, and revised landscaping would not change the analysis or significantly impact the 1995 State Environmental Policy Act (SEPA) Review. The City of Renton is hereby issuing a SEPA Addendum pursuant to WAC 197-11-600. This Addendum is appropriate because it contains only minor information not included in the original Determination and there are no additional environmental impacts related to inclusion of the new information. Location: 800 SW 16th St, Renton, WA 98057 (APN 3340406430) Lead Agency: City of Renton, Department of Community & Economic Development Review Process: Addendum to previously issued Determination of Non-Significance (DNS) Additional Information: If you would like additional information, please contact Clark Close, Senior Planner, City of Renton Planning Division, Department of Community & Economic Development at (425) 430-7289. There is no comment period for this Addendum, dated May 7, 2018 issued by the City of Renton Environmental Review Committee. Exhibits Exhibit 1: DNS Addendum Exhibit 2: Environmental Review Committee Report (LUA13-001322, ECF), dated November 18, 2013 Exhibit 3: Environmental Checklist Exhibit 4: Existing Conditions Map Exhibit 5: Preliminary Site Plan Exhibit 6: Demolition and T.E.S.C. Plan Exhibit 7: Arborist Report Exhibit 8: Preliminary Landscape Plan Exhibit 9: 100 Year Flood Plain Boundary Exhibit DocuSign Envelope ID: EA15E47A-87FA-44B3-AFD5-F8F49BCCB923 EXHIBIT 3 Entire Document Available Upon Request DocuSign Envelope ID: EA15E47A-87FA-44B3-AFD5-F8F49BCCB923 SEPA Addendum: Comparison 2018 800 SW 16th Street Parking Lot Expansion Vis-a-Vis 2013 Shuttle Express Parking Lot Project DNS Determination (LUA13-001322) While located in the same general location, the 2018 proposal calls for expansion of the existing parking field on the western portion of the parcel on S.W. 16th Street; whereas the 2013 proposal directed the scope of its effort to the remaining portions of the site located towards the northeast corner of the parcel and an additional parcel located on the eastern side of the intersection of S.W. 16th Street and Raymond Avenue S.W . Another significant difference between the two project proposals lies in the nature and extent of impervious or pervious surfaces proposed. The 2013 proposal called for impervious paving in excess of the 5,000 square foot threshold for water quality treatment; the 2018 proposal calls for the use of pervious pav ing in the parking area while limiting impervious paving to the drive aisles , primarily to assist in addressing flow control issues. Analysis of the drainage report submitted in support of this project will indicate whether the design complies with provisions of the current King County and Renton codes. The existing office building will remain occupied and parking facilities for employees provided in the 2013 proposal will remain in place. The 2018 proposal will restrict its impacts to a previously landscaped area on the west end of the site where pervious pavement will be utilized; allowing for the proposed parking expansion. It should also be noted that the 2013 SEPA decision included a waiver of frontage improvements along Raymond Avenue S.W. Consequently those improvements are not accommodated in this project ’s scope of work. An e-mail received earlier this year from Chip Vincent, confirms the applicability of the 2013 SEPA decision, as well as the need for Site Plan Review of the 2018 proposal. This e -mail is attached for your convenience.