Colorado River Aqueduct Canal Liner Rehabilitation, Mile Marker 24. 77 to 60. 45

The Metropolitan Water District of Southern California is requesting bids on Colorado River Aqueduct Canal liner rehabilitation and replacement from mile marker 24.77 to 60.45, spanning San Bernardino County and Riverside County, with bids due August 25, 2026 at 2:00 p.m., and mandatory pre-bid conference on August 5 at 8:00 a.m. at Iron Mountain Pumping Plant in Earp, California. Attendance at the pre-bid conference is a condition precedent to bid submission.

A minimum 10 percent Small Business Enterprise and Disabled Veteran Business Enterprise (SBE/DVBE) participation is required; failure to meet this threshold results in bid rejection. Bidders must hold a California Class A contractor license at bid submission. Any entity performing hazardous substance removal must hold California Contractors State License Board HAZ Certification.

The scope includes canal liner rehabilitation and replacement, over-excavation and re-compaction of subgrade, abatement of polychlorinated biphenyls (PCB)-containing coal tar coating, site restoration, and all appurtenant work as specified in the drawings. The pre-bid conference tour spans six hours and requires four-wheel vehicles and construction attire.

The estimated total construction cost ranges between $11 million and $13 million. The successful bidder must comply with California Labor Code prevailing wage requirements, register with the Department of Industrial Relations pursuant to Section 1725.5, furnish performance and labor and material payment bonds, and comply with the project's Project Labor Agreement. Each bid must be accompanied by a certified or cashier's check or surety bond as a guarantee of contract execution. The contract is subject to California Public Contract Code Section 22300 regarding securities substitution for withheld funds. Bid documents are available for free download from the PlanetBids portal.