Torrance Refinery Water Recycling Plant Sulfuric Acid Day Tank Area Rehabilitation and Replacement Project

West Basin Municipal Water District is requesting bids for the Torrance Refinery Water Recycling Plant Sulfuric Acid Day Tank Area Rehabilitation and Replacement Project, with electronic bids due July 30, 2026 at 2:00 p.m., and a mandatory pre-bid meeting on July 22, 2026 at 10:00 a.m. via Microsoft Teams followed by an optional on-site job walk at 11:00 a.m. Attendance at the mandatory pre-bid meeting is a condition of bid eligibility. Bidders must hold a California Class A Contractors' License.

The scope involves rehabilitation and replacement of concrete slabs and walls in the sulfuric acid day tank storage area at the Torrance facility, structured as a lump-sum contract with nine line items covering mobilization and demobilization, temporary sulfuric acid system, equipment disassembly, secondary containment concrete demolition and replacement, concrete coatings, equipment reinstallation, startup and commissioning, and miscellaneous site improvements. Technical drawings and detailed construction specifications are provided. Substantial completion is required within 150 calendar days from Notice-To-Proceed; final completion within 180 calendar days. Liquidated damages are set at $5,000 per calendar day for delays beyond the substantial completion deadline.

West Basin maintains a Small and Local Business Enterprise (SLBE) Program requiring contractor compliance with subcontractor solicitation and engagement requirements. Contractors and subcontractors must comply with California Department of Industrial Relations prevailing wage requirements and register with the department. Insurance requirements include commercial general liability ($5 million), business automobile liability ($5 million), builders' risk, workers' compensation, and pollution liability ($5 million).

Bid security of 10 percent of the maximum bid price, in the form of a certified or cashier check or bid bond, is required. Upon award, the successful bidder must furnish performance and payment bonds equal to 100 percent of the contract price. The District will pay 95 percent of monthly progress payments, with 5 percent retainage withheld until final completion. Questions are due July 27, 2026 at 5:00 p.m. through the E-Procurement System. Bids will be opened and posted on the OpenGov online portal. Payment terms are Net 30 days.