RFB - jamacha force main and gravity main sewer improvements – LA presa phase 1

The County of San Diego Department of Public Works is requesting sealed bids for the Jamacha Force Main and Gravity Main Sewer Improvements – La Presa Phase 1 project (RFB 13242, Oracle Project No. 1022027) in Spring Valley, with bids due August 13, 2026 at 2:00 p.m. local time via virtual opening on Microsoft Teams. Prospective bidders must be prequalified by the County and hold a California Class A General Engineering Contractor's license.

The project scope includes replacing the existing 12-inch sewer force main with dual 18-inch HDPE force mains along Jamacha Boulevard for approximately 4,500 linear feet; replacing approximately 400 linear feet of gravity sewer pipe west of Grand Avenue and Sacramento Avenue; and installing new sewer maintenance holes, pump station yard piping, and sewer plug valves. Work includes trenching, dewatering, sewage bypassing, and traffic control. The bid schedule contains 41 line items covering mobilization, traffic control, erosion control, PVC and HDPE sewer pipe installation in various sizes, valves, concrete structures, fencing, and asbestos cement pipe removal.

The County's estimated project cost is $9,215,826.50. At least 50 percent of the original contract price must be performed by the contractor's own organization. Prime contractors must meet or exceed a 3% Small-Local Business Subcontractor Participation Requirement and submit a Small-Local Business Utilization Plan (PC611 form). Bid security equal to at least 10 percent of the bid amount is required in cash, certified check, cashier's check, or bidder's bond. The successful bidder must furnish 100 percent Performance and Payment Bonds.

The project is subject to California prevailing wage requirements under Labor Code Section 1720 et seq. Contractors and subcontractors must register with the Department of Industrial Relations and comply with apprenticeship requirements under Labor Code Section 1777.5. The contract is subject to the Working Families Ordinance and California Air Resources Board In-Use Off-Road Diesel-Fueled Fleets regulations. Questions must be submitted in writing through BuyNet at least 10 days prior to bid opening. Contract documents, plans, and specifications are available for free download from the County BuyNet website.