Renovation of a water / sewer project in Marina, California. Completed plans call for the renovation of a one-story above grade water / sewer project.

Scope of work includes the renovation of the Reservation Road Desalination Plant. Instructions to bidders specify complying with the bid due date and submission requirements as outlined for the solicitation. REHABILITATE THE EXISTING INTAKE WELL AND INJECTION WELL. INSTALL REPLACEMENT INTAKE WELL PUMP. REHABILITATE AND REPAIR THE EXISTING INTAKE WELL AND INJECTION WELL PIPING AND WELLHEADS. REPLACE PIPE, FLOWMETER, AND VALVING AT RO BUILDING FOR FUTURE WATER QUALITY SAMPLING. A SCHEMATIC PROCESS FLOW DIAGRAM IS SHOWN ON SHEET G-2.0. 1. Installation of Replacement Intake Well Pump, Piping, and Vault: a. Intake well pump shall be furnished by the District and installed in existing Intake Well by Contractor. b. Furnish and install replacement intake well vault, including all necessary earthwork and pre-cast vault base. c. Furnish and install replacement Schedule 80 PVC well discharge piping, including all fittings and appurtenances, as shown in the Plans and in compliance with the District Standard Specifications and these Technical Specifications. 2. Pipe Inspection and Testing: a. Inspection and pressure testing of existing intake supply and brine discharge piping. 3. Replacement Intake Well and Brine Discharge Piping: a. Furnish and install approximately 200 LF of 6" DR 13.5 HDPE pipe from the intake well piping to the connection with the existing 12" C900 PVC supply line, as shown in the Plans. b. Installation of approximately 15 LF of 6" Schedule 80 PVC at the existing Desalination Plant building. c. Installation of approximately 150 LF of 8" Schedule 80 PVC pipe from the existing brine discharge line to the existing discharge well, including all fittings, valves, appurtenances, and wellhead connection, as well as the location and condition assessment of existing brine discharge pipeline. 4. Replacement Electrical Systems: a. Removal of existing switchgear and installation of Owner-furnished replacement switchgear, including coordination with Owner for delivery of replacement switchgear to the Project Site. b. All conduit, condulets, pull boxes, cabling, pull wire, and associated appurtenances required to connect replacementintake well pump to replacementswitchgear as shown in the Plans. c. All conduit, condulets, pull boxes, cabling, pull wire, and associated appurtenances as shown in the Plans, for the intake and discharge well level transducers, flow meter, pressure transducers, and pressure switch. d. Furnish and install level transducers in the rehabilitated intake and injection wells, as shown in the Plans. All inquiries regarding the project shall be directed to MCWD at (831) 883-5962 (phone), (831) 384-0197 (fax), or jgao@mcwd.org (e-mail). Requests for information will be received in writing until 4:00p.m. on Tuesday December 16, 2025