Site work and new construction of a warehouse / distribution facility in Antioch, California. Completed plans call for the construction of a warehouse / distribution facility; and for site work for a warehouse / distribution facility.

**As of July 17,2025, project was awarded to Turn Key Systems Inc., awarded amount is $126,236.18.** Bids must be clearly identified with the ITB number identified above. Bids received timely shall be opened and read aloud at the above stated time and place. Patrick Wentz and Eric Strongman shall act as the City Representative on this procurement. Each proposal must conform with and be responsive to this ITB, the Information for Bidders, the specifications, and all other pertinent contract documents. The City reserves the right to reject any or all bids, to accept or reject any one or more items of a bid, or to waive any irregularities or informalities in the bids. Any person, corporation, firm or other entity submitting a bid in response to this ITB is referred to herein as a "Bidder". No Bidder may withdraw their bid for a period of sixty (60) days after the date set for the opening of bids. Should a Bidder find discrepancies in, or omissions from, the specifications or any term or condition of this ITB, or be in doubt as to their meaning, Bidder shall promptly notify the City Representative, who will send written instructions or addenda to all Bidders. The City will not make/give oral interpretations to any Bidder. All addenda issued shall be incorporated into the contract, as applicable. Scope of Work: 1. Procurement & Permitting o Contractor will procure a new cold storage unit, including all necessary components, materials, and accessories. o Dimensions of the new cold storage unit shall be determined based on measurements of the existing concrete slab to ensure a proper fit. o The cold storage room will include two (2) access doors, designed for durability and thermal efficiency. o Existing power rating at the electrical panel will be assessed to confirm compatibility with the new refrigeration equipment and ensure compliance with electrical requirements o Provide stamped construction drawings for permitting requirements. o Customer will be responsible for submitting permit applications and obtaining necessary approvals. 2. Demolition & Site Preparation o Dismantle and remove the existing cold storage room, ensuring all debris is properly disposed of in compliance with local regulations. o Thoroughly wash the existing concrete slab to remove dirt, debris, and contaminants in preparation for the installation of the new cold storage room. 3. Receiving & Unpacking of Equipment o Receive, inspect, and unpack all components of the new cold storage room, including refrigeration equipment, to verify completeness and condition before installation. 4. Seismic Anchoring o Install manufacture specified seismic bracing for the cold storage room to ensure compliance with structural safety requirements. o Secure all concrete anchors to manufacturer specifications and prepare for city inspection and approval. 5. Cold Storage Room Construction o Assemble and install new cooler panels, ensuring a secure connection to the pre-installed seismic anchors. If applicable apply a protective layer (coating, membrane, Ect) to the roof of the cold storage room to enhance durability and resistance to environmental conditions. 6. Refrigeration System Installation o Position and securely fasten the refrigeration condensing unit onto the concrete slab using concrete anchors. o Install and ceiling-mount the evaporator coil within the cold storage room. o Connect the condensing unit to the evaporator coil using a rigid, insulated copper refrigerant line set. 7. Refrigerant System Testing & Charging o Conduct a high-pressure leak test verify system integrity. o Perform system evacuation vacuum, test to confirm there are no leaks.