Citywide Accessibility Improvements No. 13

The City of Concord, California, Community Development Department is requesting bids on Citywide Accessibility Improvements No. 13 (IFB Project No. PJ2817), with proposals due November 5, 2026 at 2:00 p.m. via the OpenGov Procurement Portal and questions due October 27, 2026 at 5:00 p.m.

Bidders must hold a valid California contractor's license in Class "A" (General Engineering Contractor) or Class "C-8" (Concrete Contractor) classification. The project is subject to California prevailing wage requirements under Labor Code Section 1720 et seq. and California Air Resources Board's In-Use Off-Road Diesel-Fueled Fleets Regulation if applicable vehicles are used.

The work comprises mobilization, site preparation, traffic control, water pollution control, clearing and grubbing, earthwork and grading, concrete curb ramps and sidewalk installation, tree root pruning and removal, utility cover adjustments, traffic striping and pavement marking replacement, and roadside sign installation across multiple locations in Concord. The bid schedule includes 11 line items: temporary storm drain inlet protection (22 each), sidewalk removal (4,929 square feet), curb ramps (23 each), curb and gutter reconstruction (997 linear feet), valley gutter reconstruction (475 square feet), sidewalk installation (6,260 square feet), reinforced sidewalk work (52 square feet), sign and post work (4 total items), curb painting (84 square feet), and thermoplastic marking (118 square feet).

The engineer's estimate is $350,000 to $400,000. The project must be completed within 25 calendar days from the Notice to Proceed, with an anticipated start date of February 2027. Liquidated damages of $2,322 per calendar day apply for delays beyond the completion date, plus $441 per hour for unauthorized work outside specified hours. Bid security of 10 percent of the maximum bid amount and performance and payment bonds equal to 100 percent of the contract price are required. The prime contractor must perform at least 0.5 percent of the work with its own forces; all subcontractors must be registered with the California Department of Industrial Relations. The successful bidder will be announced within 60 days of bid opening. Contact: Tianjun Cao, Associate Civil Engineer, (925) 671-3243.