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Unofficial Notice of Invitation to Bid (NIB)
Solano Community College District is seeking bids from qualified and interested contractors for the following project titled, Hydronic System Modernization – Phase 1 Project, identified under Solicitation ID: 25-026. Work is to be performed near 4000 Suisun Valley Rd, Fairfield, CA 94534, USA in Solano County.
General Project Description
The Solano Community College District is prequalifying prime contractors for the Hydronic System Modernization – Phase 1 Project. This project involves comprehensive construction work related to large central heating and cooling plant systems, and significant underground heating, cooling, and power infrastructure. Key aspects include the installation and upgrade of associated piping. Contractors are required to manage work to ensure campus buildings remain fully operational, including providing temporary power, heating, and cooling as needed. This prequalification is mandatory for any prime contractor wishing to bid on the subsequent construction phase of the project.
General Bid Items
- Quantity: 1 Unit: LS Work Item: Hydronic System Modernization, Phase 1 (Overall Project)
- Quantity: 1 Unit: LS Work Item: Installation of central heating plant systems
- Quantity: 1 Unit: LS Work Item: Installation of central cooling plant systems
- Quantity: 1 Unit: LS Work Item: Installation of significant underground heating infrastructure
- Quantity: 1 Unit: LS Work Item: Installation of significant underground cooling infrastructure
- Quantity: 1 Unit: LS Work Item: Installation of significant underground power infrastructure
- Quantity: 1 Unit: LS Work Item: Installation of underground prefabricated, insulated, welded steel heating hot water piping systems
- Quantity: 1 Unit: LS Work Item: Installation of insulated, solvent welded PVC chilled water piping systems
- Quantity: 1 Unit: LS Work Item: Provision and maintenance of temporary power for campus operations during construction
- Quantity: 1 Unit: LS Work Item: Provision and maintenance of temporary heating and cooling for campus operations during construction
NAICS Classification
NAICS 237130 – Power and Communication Line and Related Structures Construction (For underground power infrastructure installation), NAICS 237990 – Other Heavy and Civil Engineering Construction (For large-scale underground utility and civil engineering components of central systems), NAICS 238220 – Plumbing, Heating, and Air-Conditioning Contractors (For the core hydronic system, heating, cooling plants, and piping installation), NAICS 238990 – All Other Specialty Trade Contractors (General specialty construction work related to campus infrastructure modernization)
Records and Due Date
This bid opportunity was entered into BidAmerica on December 12, 2025, and was last updated on December 11, 2025. All bids and/or proposals are due on January 16, 2026.
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Legal Disclaimer
All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Solano Community College District. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Solano Community College District prior to bidding.