MITIGATED DETERMINATION OF NON-SIGNIFICANCE Oak Harbor Freight Lines Trucking Facility Permit No. TUM-25-0483 September 24, 2025 Proposal: 16,657 sq ft cross dock warehouse with office space and associated truck and vehicle parking. Proposed future expansion to include 7,200 sq ft warehouse and 4,000 sq ft shop. Applicant: Norm Timmermans, NWT Solutions, LLC. PO Box 1906, Wenatchee, WA 98807. Representative: Dan Balmelli, Barghausen Engineers, 18215 72nd Ave South, Kent, WA 98032. Location of Proposal: A parcel totaling 27.41 acres located at 9801 Lathrop Industrial Drive SW, Tumwater, WA 98512. Tax Parcel Numbers 12721310200 and 12721310201. Lead agency: City of Tumwater, Community Development Department. The lead agency for this proposal has determined that, as conditioned, 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. This MDNS assumes that the applicant will comply with all City ordinances and development standards governing the type of development proposed, including but not limited to, street standards, storm water standards, high groundwater hazard areas ordinance standards, water and sewer utility standards, critical areas ordinance standards, tree protection standards, zoning ordinance standards, land division ordinance standards, building and fire code standards, and level of service standards relating to traffic. These ordinances and standards provide mitigation for adverse environmental impacts of the proposed development. Condition of Approval for mitigating environmental impacts: Findings: 1. The Tumwater Boulevard/I-5 northbound ramps intersection currently operates at LOS F during both peak periods for the northbound left-turn movement. The project is projected to add four (4) trips to this intersection. The City has recently developed a SEPA improvement project for the Tumwater Boulevard/I-5 interchange that include intersection improvements at the northbound I-5 ramps intersection, with a peak hour per trip impact fee of $4,333 or as required in the most up to date fee schedule at the time of building permit for each trip entering the interchange area. Mitigation Measures: 1. Prior to issuance of the Building Permit: i. A recent study of the I-5 interchange at Tumwater Boulevard indicates improvements are needed in order to meet established safety and level of service standards. This project shall either: 1. Construct a roundabout at the northbound Interstate 5 on/off ramp and Tumwater Boulevard intersection, or; 2. Voluntarily pay a mitigation fee of $4,333.00 per peak trip generated by this project under RCW 82.02.020 to be used as described herein: Tumwater Boulevard/I-5 Interchange: The City's planned transportation improvements at the Tumwater Boulevard/I-5 interchange include converting the interchange to a roundabout diamond interchange by replacing the southbound on/off ramp signal and northbound stop controlled intersections with roundabouts. The project shows 4 trips. This MDNS is issued under WAC 197-11-350; the lead agency will not act on this proposal for 14 days from the date below. Date: September 24, 2025 Responsible Official: Brad Medrud, AICP Community Development Director Contact person: Sam Hunter, Associate Planner 555 Israel Road SW Tumwater, WA 98501 shunter@ci.tumwater.wa.us Appeals of this MDNS must be made to the City of Tumwater Community Development Department, no later than October 14, 2025, by 5:00 p.m. All appeals shall be in writing, be signed by the appellant, be accompanied by a filing fee of $2,000.00 and set forth the specific basis for such appeal, error alleged, and relief requested. IPL0275174 Sep 24 2025