Renovation of a water / sewer project in Orinda, California. Completed plans call for the renovation of a water / sewer project.

Work includes but is not limited to the following: At Orinda Water Treatment Plant: install a 50-ton carbon liquid dioxide storage tank and vaporization system (LCDS) included in the Liquid Carbon Dioxide Storage Tank and Vaporizer Systems Supplier Agreement (LCDS Supplier Agreement), and furnish and install the associated structural foundations; install three (3) carbonic acid dissolution systems and two (2) carbonic acid injection nozzles included in the Carbonic Acid Dissolution System Supplier Agreement (CADS Supplier Agreement), furnish and install the associated structural foundations; furnish and install one metal canopy for the CADS; furnish and install all the pipes and conduits, appurtenances, electrical and signal conduits and cables as shown on the drawings and as specified. At Lafayette Water Treatment Plant: Install a 6-ton LCDS, included in the LCDS Supplier Agreement, and furnish and install the associated structural foundations; install two (2) CADS and one (1) carbonic acid injection nozzle included in the CADS Supplier Agreement, and furnish and install the associated structural foundations; furnish and install one metal canopy for the CADS; furnish and install all the pipes and conduits, appurtenances, electrical and signal conduit cables as shown on the drawings and specified here in the specifications; furnish and install an electrically actuated gate, security system, security cameras, and related panels, conduit, and cable; remove and dispose of exterior lead paints from the several concrete structures as shown on the drawings; procure and install a new office trailer for the District permanent use and as specified. Attendees shall also cover their coughs/sneezes, practice hand washing, and shall not engage in physical contact. Attendees who disregard these health and safety requirements, as well as attendees who feel sick and/or have a cough or fever will not be allowed to attend. No more than two persons per bidder shall attend. Attendees shall assemble at the Orinda Water Treatment Plant (Camino Pablo/Manzanita Drive, Orinda), in front of Operations Building. After inspection of the project site at Orinda WTP, the attendees will drive to the Lafayette WTP (3848 Mt Diablo Blvd, Lafayette), and lastly, to Walnut Creek WTP (2201 Larkey Ln, Walnut Creek). This is the only time that the project sites will be open for inspection. The inspection will last approximately 3 hours. No photography by the Attendees will be allowed. The District will take photographs, as requested by the Attendees, restricted to the work zone. The District will release photographs to Attendees after the bid walk, pending review by the District. All Attendees are required to have a photo ID and sign a confidentiality agreement not to share, sell, or publish photos.The Prime Contractor and its subcontractors are strongly encouraged to attend the jobsite inspection where a "sign-in" sheet will be provided. Requirements of the District's Contract Equity Program including the Local Hire component will be discussed and explained at the jobsite inspection. For jobsite inspection questions only, call Brett Margosian at (510) 287 7095. Estimated cost of this work is between $12,000,000 and $15,000,000. The method of contractor selection has not been determined at this time. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.