Water Treatment Plant Filter Unit Rehabilitation 2026

The City of Shasta Lake is soliciting bids for the rehabilitation of two Microfloc Trident TR-840A tri-media gravity filter units at its water treatment facility, with work to be performed at the project site in Shasta Lake, California, zip code 96019. Filter Unit No. 2 requires exterior-only rehabilitation while remaining in operation, including full containment, surface preparation, media blasting, and application of a protective coating system. Filter Unit No. 3 requires comprehensive interior and exterior rehabilitation, involving removal and disposal of existing filter media, removal and storage of clarifier media for reuse, repair of structural defects, interior and exterior blasting and coating, replacement of internal components such as laterals, strainers, and surface wash headers, and reinstallation of both clarifier and new filter media. All materials must be delivered in original sealed containers with precise labeling that includes manufacturer name, product number, batch, and expiration date, and must be stored under controlled conditions to prevent contamination, moisture, or UV exposure. Work must comply with CPAS, manufacturer specifications, Caltrans State Specifications, and industry standards including ASTM, AASHTO, AWWA, ANSI/NSF Standard 61, and SSPC-SP6 and SSPC-SP10 for surface preparation and coating application. The contract will be awarded on a Lowest Price Technically Acceptable basis to the most responsive and responsible bidder whose proposal fully complies with all technical and procedural requirements. Proposals must be submitted in hard-copy form, assembled in three-ring binders with labeled sections, table of contents, and plastic index tabs, along with a USB flash drive containing the full O&M manual in PDF and editable source files plus a plain text index. Submissions must be delivered in person to the City Clerk’s Office at 4477 Main Street, Shasta Lake, CA 96019 by 2:00 p.m. on August 13, 2026; no electronic, faxed, or emailed submissions will be accepted. The project has no specified contract value or detailed pricing structure provided in the solicitation, and no FAR clauses or federal acquisition regulations apply; instead, the contract is governed by local public works procedures and California Public Contract Code requirements, including certifications regarding prior disqualifications, fraud convictions, and noncollusion. Inspection and acceptance will occur on-site by the City Engineer with final written authorization issued by the City, and all work must be completed in compliance with