Solid and Liquid Waste Disposal

The City of Seattle is issuing an Invitation to Bid (ITB #SU0‑6802) to establish a pool of qualified vendors that will provide solid and liquid non‑hazardous waste management services on an as‑needed basis. The contract will cover collection, sorting, treatment, beneficial reuse, container rental, transportation, and disposal of a wide variety of waste streams—including street‑maintenance debris, hydro‑excavation waste, contaminated rubble, soils, organics, treated wood, sewer solids, oily water, and drinking‑water‑treatment residuals—across Seattle and other statewide project locations. Vendors must comply with all applicable federal, state, and local environmental and safety regulations, maintain necessary permits, and provide documentation for each load. The contract term is five years with a possible two‑year extension; a 90‑day trial period applies. Average annual spend for the existing contracts is about $3.05 M, with individual orders ranging from $6 K to $20 K. • Scope: collection, processing, transport, disposal, and optional beneficial reuse of non‑hazardous waste streams. • Delivery: container rental, on‑site acceptance, 24‑hour emergency contact, after‑hours access optional. • Compliance: required EPA, Washington State Ecology, and local permits; mandatory waste manifests and reporting. • Contract length: 5 years (option for one 2‑year extension) with a 90‑day trial period. • Financials: average annual usage $3.05 M; no guaranteed minimum volume; vendors submit unit‑price bids per waste stream. • Schedule: ITB issued 9 Oct 2026; pre‑bid conference 27 Oct 2026 (non‑mandatory); questions due 6 Nov 2026; sealed bids due 23 Nov 2026.