Description
The City of Spokane is undertaking a comprehensive landfill improvement effort that includes upgrades to both the Northside and Southside closed refuse units and the installation of a new landfill‑gas collection trench for the municipal solid‑waste cell. Work will encompass site clearing, extensive earthwork, installation and repair of HDPE gas‑collection piping, geomembrane liner replacement and repair, storm‑water and erosion‑control measures, and final vegetated cover restoration. The contract is structured as a stipulated‑price (lump‑sum and unit‑price) bid, with a mandatory pre‑bid meeting, a $2,073,930 engineer’s estimate, and a required 60‑day bid validity period.
• Scope: gas‑collection system repairs, geomembrane liner work, cover grading, soil stabilization, and drainage improvements.
• Schedule: bid opening 19 Apr 2021, work to begin by late May 2021, substantial completion by 22 Oct 2021.
• Requirements: prevailing‑wage compliance, extensive quality‑control reporting, weekly progress photos, and a detailed erosion‑and‑sediment‑control plan.