Countywide Culvert Repair and Replacement

San Diego County Department of Public Works is requesting bids for countywide culvert repair and replacement across Supervisorial Districts 1–5 in unincorporated San Diego County, with bids due August 20, 2026 at 2:00 p.m. via virtual Microsoft Teams. Pre-qualification with the County is required for bid eligibility. The prime contractor must meet or exceed a 3% Small-Local Business Subcontractor Participation Requirement and submit a Small-Local Business Utilization Plan (Form PC611).

The scope encompasses repair or replacement of existing culverts associated with annual resurfacing projects, including site-specific culvert replacement, minor hot mix asphalt and concrete work, and site restoration. Work is divided into Base Bid Schedule 1 (FY 2020–21, 98 line items) and Base Bid Schedule 2 (FY 2021–22, 47 line items), with an optional additive alternate for Via Puerta del Sol (20 items focused on corrugated steel pipe and energy dissipation). Line items include traffic control, temporary erosion control, reinforced concrete pipe installation in various sizes and classes, storm drain structures, headwalls, asphalt work, and site restoration. The prime contractor must hold a California Class A General Engineering Contractor license or Class C-12 Earthwork and Paving Contractor license at the time of bid submission. State prevailing wage rates apply under California Labor Code Section 1720 et seq., and contractors must register with the Department of Industrial Relations.

The County's estimated total project cost is $6,148,866, with a fund amount of $6,259,346.75. Bidders must provide a Bidder's Bond of at least 10% of the bid amount; the successful bidder must furnish Performance and Payment Bonds each for 100% of the contract amount. Questions must be submitted at least 10 days prior to bid opening. Bid withdrawal is not permitted for 75 days after the opening date. Contract award will occur within 75 calendar days from bid opening. Contract documents are available for download from the County's BuyNet website at no cost.