MaClaren Street Vicinity Wastewater Improvements #2783

The City of Yakima awarded a design‑build‑install municipal wastewater improvement project in the MaClaren Street area to Interwest Construction Inc. The scope covers mobilization, traffic control, demolition, extensive excavation, concrete removal, installation of 8‑in. and 6‑in. storm‑sewer pipes, PVC sanitary‑sewer pipe work, new manholes and valve boxes, a sanitary‑sewer bypass, video‑pipe exploration, and full site restoration—including curb & gutter, sidewalks, curb ramps, pavement markings, and controlled‑density fill. The contract is a fixed‑price lump‑sum valued at roughly $2.5 million and was competitively bid under a sealed‑bid process. • Core work: excavation, utility pipe installation, manhole/valve box construction, and related concrete work. • Additional components: traffic control, demolition, landscaping, and site‑finish items such as sidewalks and curb ramps. • Procurement: Competitive sealed‑bid; award recommendation made after review by the City’s engineering staff and final endorsement by the City Manager.