Sand Canyon Dam Liner Repair

The Irvine Ranch Water District (IRWD) is requesting bids for removal and replacement of the Sand Canyon Dam asphalt concrete liner under Invitation #12524, with bids due electronically August 12, 2026 at 2:00 p.m. PDT and a mandatory onsite pre-bid meeting on July 22, 2026 at 10:00 a.m. Bidding is restricted to prequalified contractors registered with the California Department of Industrial Relations as DIR Public Works Contractors; prequalification for the project bidders list is closed, making this a gatekeeping filter for all entrants.

The scope encompasses clearing and grubbing, surface preparation, removal of damaged AC liner sections, rubberized crack-fill installation, subgrade material compaction, and installation of new AC liner on the upstream dam face. The pre-bid meeting takes place onsite at Sand Canyon Dam, 82 Strawberry Farm Road, Irvine, California 92612.

The estimated lump-sum bid value is $200,000. The project duration is 90 calendar days from the Notice of Award (issued July 15, 2026). Liquidated damages are assessed at $250 per calendar day. Required bonds include a 10 percent bid bond, 100 percent payment bond, and 100 percent performance bond.

Questions are due July 29, 2026 at 5:00 p.m. PDT through an online Q&A period. Bids must be submitted electronically through the PlanetBids vendor portal. Technical specifications and standard drawings are available from the IRWD website. The owner's agent for bid receipt is Ed Perez with LaBelle Marvin, Inc. Inquiries should be directed to Andres Bernal at 949-453-5431 or bernala@irwd.com.