North City Water Reclamation Plant Filter Media Cleaning

The City of San Diego, Public Utilities Department, is soliciting bids for filter media rehabilitation and maintenance at the North City Water Reclamation Plant. The project involves the specialized deep chemical cleaning of six single-cell bed filters to remove sludge and mudballs, followed by the replenishment of NSF 60 certified anthracite coal to restore original design depths and meet Title 22 equivalent standards. The contract is valued up to 3,000,000 dollars with a five-year term of performance. Initial rehabilitation must be completed within the first year, with additional maintenance services provided on an as-needed basis through year five. The selected contractor must provide all labor, materials, and equipment, including the use of an independent certified laboratory for pre- and post-cleaning analysis. Strict compliance is required regarding OSHA confined space entry guidelines, the Globally Harmonized System for chemical labeling, and the provision of Safety Data Sheets. Bidders must submit electronic signed proposals via the PlanetBids portal by October 30, 2026. Award decisions will be based on firm, fixed, fully burdened pricing and technical compliance. Key administrative requirements include a performance bond equal to 100 percent of the annual contract amount, adherence to prevailing wage laws, and monthly invoicing through the City's web-based compliance portal.