Antelope Siphon Blowoff, Contract No. 2026-04

The Placer County Water Agency is soliciting sealed bids for the construction of a new 150‑ft, 12‑inch PVC blow‑off pipeline and valve at the Antelope Canal siphon crossing Sierra College Blvd. The scope includes demolition of an existing 6‑inch pipe and valve, installation of the new pipe and valve, traffic control, and pavement restoration. Bidders must hold a California Class A General Engineering license, provide a 10 % bid guarantee, and furnish 100 % performance and payment bonds. The project must be completed within 90 calendar days, with an estimated construction cost of $350,000. A pre‑bid walk‑through is scheduled for August 19, 2026; questions are due by August 28, 2026; sealed bids are due by September 8, 2026. • Remove existing 6‑in. blow‑off pipe and valve • Install ~150 ft of 12‑in. PVC C900 pipe and a new 12‑in. valve • Provide traffic control and pavement restoration • Required licenses: CA Class A General Engineering Contractor • Bonds: 10 % bid guarantee; 100 % performance & payment bonds • Schedule: 90 days from award, bids due Sep 8, 2026 • Estimated contract value: $350,000