Antelope Siphon Blowoff, Contract No. 2026-04

Contract No. 2026-04, titled Antelope Siphon Blowoff, is a solicitation by the Placer County Water Agency for the construction of a blowoff pipeline and detention system in Auburn, California. The project aims to control the flow of water and debris at a low point in the Antelope Canal Siphon crossing Sierra College Blvd. The scope of work includes removing an existing 6-inch blowoff pipe and valve, installing approximately 150 linear feet of 12-inch PVC C900 pipe, and installing a new 12-inch valve. Additional requirements include traffic control during construction and subsequent pavement restoration. The project is governed by plans and specifications prepared by Domenichelli & Associates. The contract will be awarded to the lowest responsive and responsible qualified bidder. Bidders must provide a bid guaranty of at least 10 percent of the total bid and, upon award, furnish both faithful performance and payment bonds for 100 percent of the contract price. Required certifications include a non-collusion declaration, a California contractor's license, DIR registration, and compliance with the Iran Contracting Act and drug-free workplace standards. Work must commence within ten days of the Notice to Proceed, with a detailed schedule submitted within the same timeframe. Payments are based on certified monthly estimates for installed equipment, labor, and materials, with a payment term of 30 days following the receipt of undisputed requests. All project communications are routed through the Construction Manager, Nick Austin, PE.