Highlands Ranch Tank Improvement

The City of Pittsburg Public Works Department is soliciting bids for Project 5007, the Highlands Ranch Tank Improvement, which involves the comprehensive rehabilitation of a 1.0-million-gallon steel on-grade water storage tank in Pittsburg, California. The scope of work includes the removal of the existing interior ladder, landing platform, and impressed-current cathodic protection (ICCP) system, followed by the installation of a new stainless-steel interior ladder and landing platform and a new ICCP system with all necessary electrical components and roof penetrations. Additionally, the contractor is responsible for applying a new interior coating system, performing localized exterior coating repairs, conducting structural inspections and authorized repairs, and completing tank disinfection and testing. The estimated construction cost for the base bid is 600,000 dollars. The project must be completed within 75 calendar days from the Notice to Proceed. Bidders must be registered with the California Department of Industrial Relations and adhere to prevailing wage requirements, OSHA regulations, and ADA accessibility standards. Technical compliance is required under AWWA D102, ANSI/NSF 61, and ANSI/AWWA C652 standards. Final acceptance is contingent upon satisfactory bacteriological test results, final ICCP commissioning, and the submission of as-built drawings and O&M manuals. Bid proposals must be submitted in a sealed envelope to the City Clerk by the specified deadline and must include a bid security of ten percent of the maximum bid amount, with the successful bidder required to provide performance and payment bonds for 100 percent of the contract price.