Description
The Contra Costa Water District is seeking a qualified contractor to execute a multi‑disciplinary upgrade of the Bollman Water Treatment Plant in Concord, CA. Work includes demolition and replacement of UPS units, electrical protection relays, chemical feed (ammonia and caustic‑soda) piping, ozone gas system components, associated conduit, structural framing, and extensive civil works such as trenching, back‑filling, and asphalt concrete paving. The contractor must provide all labor, materials, equipment, safety compliance, bonding, and insurance as outlined in the specifications, and complete the project within a 413‑day construction period.
Attached files
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