8 Mile Mobile Rock Crushing Services

City of Tacoma’s Public Utilities department is seeking a qualified contractor to provide mobile rock‑crushing services at its 8‑Mile Pit in the Green River Watershed. The contractor must mobilize a crushing unit, crush two rock grades (1¼‑inch‑minus and 4‑inch‑minus) to specific gradations, and place the material into two on‑site stockpiles while complying with stringent environmental, safety, and watershed protection requirements. Bids are evaluated on the lowest responsive price, with mandatory insurance, bonds, and warranty provisions. • Crush and grade 5,000 cy of 1¼‑inch‑minus rock and 5,000 cy of 4‑inch‑minus rock on‑site. • Build and maintain two separate stockpiles meeting height, layer‑thickness, and drainage criteria. • Meet Green River watershed protection standards (de‑contamination, spill reporting, turbidity limits). • Provide unit‑price bids per cubic yard, with required insurance, performance bonds, and a 3‑year labor warranty. • Submit bids by 11 a.m. PT on April 24, 2026; award expected May 29, 2026; contract runs until November 15, 2026.