The City of Modesto, CA, is seeking bids for the interior cleaning and recoating of a 1.3 million-gallon water storage reservoir—a project estimated at $350,000.
A non-mandatory pre-bid meeting was held Nov. 11. Bids are due Dec. 10.
Scope of Work
The contractor will furnish labor, materials, and equipment to clean and recoat Tank 3 of Modesto's Drinking Water Treatment/Delivery System.
Photos: City of Modesto
Near-white abrasive-blast cleaning (SSPC-SP 10) and priming will be necessary for all interior surfaces. The interior of the tank will require lining with a 100% solids epoxy urethane system. All colors and color shades will be selected by the city.
Thickness should be tested with a non-destructive film thickness gauge. No irregularities will be permitted in the final coating.
The contractor will also expected to repair or replace all existing improvements, including curbs, sidewalks, driveways, fences, and other utilities.
Qualified contractors will demonstrate a minimum of five years’ of experience with design and installation of sacrificial anode cathodic protection systems for submerged surfaces.
About the System
The City of Modesto supplies drinking water to roughly 250,000 residents. Until the early 1990s, residents received water from the area's 140 wells.
The city then partnered with the Modesto Irrigation District to build a surface water treatment plant. By 1995, the plant had expanded to 30 acres, and it now distributes an average of 30 million gallons daily.
At peak demand, the plant has provided as much as 133 million gallons on a single day, the city says.
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