Sewer Maintenance Project

The City of Concord is requesting sealed bids for the Sewer Maintenance Project No. 1 (PJ 2733), a sanitary sewer main and lateral replacement and rehabilitation project, with bids due July 2, 2026 at 2:00 p.m. at the Office of City Clerk. Attendance at the required pre-bid job meeting on June 16, 2026 at 11:00 a.m. is mandatory; bidders who do not attend may have their bids deemed non-responsive.

Bidders must hold valid California contractor licenses in Class A General Engineering Contractor, Class C-34 Pipeline Contractor, and Class C-42 Sanitation System Contractor classifications and must be registered with the California Department of Industrial Relations to perform public work. Prevailing wage requirements apply under California Labor Code Section 1720 et seq.

The project scope includes mobilization, site preparation, clearing and grubbing, traffic control, storm water pollution control, earthwork, potholing of existing utilities, open trench replacement of sanitary sewer mains and laterals, pipe bursting of sanitary sewer mains and laterals, sewer cleanout replacement, manhole rehabilitation, slurry seal, and traffic striping and markings. Work is located along Montgomery Avenue, Matheson Road, Armand Drive, Bon Homme Way, Solano Way, Iron Horse Trail, Regency Drive, and San Simeon Drive within Concord.

The Engineer's Estimate is $3.08 million, comprised of a Base Bid of $1.86 million and an Additive Bid of $1.22 million. Work is anticipated to begin in September 2026, with final completion required within 64 working days for the Base Bid and 30 working days for the Additive Bid from Notice to Proceed. Liquidated damages of $2,272 per calendar day apply for delays beyond Contract Time.

Bid security of ten percent of the maximum bid amount is required in the form of a cashier's check, certified check, or bid bond. The successful bidder must provide performance and payment bonds, each for 100 percent of the Contract Price. All subcontractors performing work exceeding one-half of one percent of the bid price must be registered with DIR and listed with their California contractor license numbers and DIR registration numbers.