EFFLUENT 66-INCH VALVE REPLACEMENT

The City of Riverside is soliciting bids to remove and replace a 66‑inch butterfly valve at its Regional Water‑Quality‑Control Plant. The City will supply the new valve; the contractor must provide all flexible couplings, gasket kits, temporary blocking plates, and perform bypass pumping, testing, and reinstatement of the existing structure. Work must be completed within a 20‑working‑day contract period, with each shutdown limited to ten hours and a two‑week grace period between shutdowns. A 10 % bid bond (or equivalent cashier’s/check) and full performance and payment bonds are required, along with compliance with prevailing‑wage, licensing, and insurance standards. • Scope: Valve removal, installation of city‑provided 66‑inch valve, temporary blocking plate, bypass pumping, testing, and reinstatement of existing flanges. • Duration: 20 working days after Notice to Proceed, with strict shutdown limits (≤10 hrs per event). • Requirements: Class “A” General Engineering or Class “C‑34” Pipeline Contractor license, 10 % bid bond, 100 % performance & payment bonds, comprehensive insurance, and compliance with California prevailing‑wage rules. • Financials: Engineer’s estimate totals $163,000; bid bond is 10 % of proposal; liquidated damages $1,300 per day beyond contract time. • Key Dates: Pre‑bid meeting 15 Oct 2026 (mandatory), questions due 20 Oct 2026, bid submission deadline 29 Oct 2026.