BID OPPORTUNITIES

The Fairfield-Suisun Sewer District (FSSD) regularly updates this page with upcoming and current Request for Proposal and Request for Bid opportunities. Please check back periodically for new opportunities to work with FSSD.

Electrical Replacement Phase 2 – Substation D

The Project generally consists of installation of a new, Owner-furnished prefabricated electrical building and two (2) Owner-furnished 12kV-480V pad‑mounted transformers, including new Electrical-below grade duct banks, utility vaults, conduits, 12kV electrical feeders, manual transfer switch and related equipment; offloading, placement, and anchorage of new Owner-furnished facilities and equipment; installation of equipment and building pads, civil site work, cast-in-place concrete building landings, sidewalk, trenching, excavation, pavement rehabilitation and related site work; demolition of existing electrical and control system equipment and related facilities; intercepting, splicing and pulling existing feeders and controls from existing Substation D switchgear, motor control centers, PLC panel, as well as feeders from various other areas of the treatment plant facilities, and terminating inside the new prefabricated electrical building; repair and reconstruction of existing improvements affected by the Work, and incidentals for a complete and usable facility within the Fairfield-Suisun Sewer District’s Wastewater Treatment Plant.

A valid Class A or Class C-10 contractor’s license is required to bid on the Project.

Bid Date and Public Bid Opening:  Wednesday, July 8, 2026 at 2pm at 1010 Chadbourne Rd., Fairfield, CA 94534

Mandatory Pre-Bid Meeting:  Wednesday, June 24, 2026 at 10:00am at 1010 Chadbourne Rd., Fairfield, CA 94534

Engineer’s Estimate:  $3,266,000

Notice Inviting Bids: Bid packages may be obtained from the District electronically by emailing Theresa Paran at tparan@FairfieldSuisunSewer.ca.gov. Include your business name, address, telephone number, fax number, and email address to receive notifications of project updates and addenda. A hard copy of the Contract Documents is on file at the above-mentioned office of the OWNER and may be reviewed at such office. If plans are obtained through a third party (e.g., contractor plan room), please send your contact information to the person named above to ensure you are added to the planholders list and receive addenda.

RFP for Engineering and Technical Services (Released June 1, 2026)

The Fairfield-Suisun Sewer District (District) is requesting proposals from qualified firms to support two (2) major planning/ technical capital projects (in Fairfield/ Suisun City, CA):

• Task A – Suisun Plant Pipe Decommission SLC Lease Compliance: A comprehensive pipeline locating investigation within Suisun Slough, including desktop review, field investigation, alignment determination, and preparation of a final report suitable for submittal to the State Lands Commission.
• Task B – Grey Goose Turnout Modifications (Plant Effluent Discharge Distribution Improvements): A feasibility and planning-level evaluation of the Boynton outfall hydraulic capacity and rehabilitation/ replacement alternatives for its three concrete turnout structures to furnish permitted, treated Plant effluent to neighboring partners.

Proposal Deadline: Friday, June 26, 2026, by 5:00pm
Non-Mandatory Pre-Proposal Meeting: Tuesday, June 16, 2026, at 10:00 am, via MS Teams and in-person at the District’s office at 1010 Chadbourne Rd, Fairfield, CA 94534

The Request for Proposals document (in PDF format) may be obtained by emailing:
Irene O’Sullivan at iosullivan@fairfieldsuisunsewer.ca.gov
copy Theresa Paran at tparan@fairfieldsuisunsewer.ca.gov
Please include your business name, address, telephone number, and email address to receive RFP notifications including Addenda.

For questions, please email:
Irene O’Sullivan, Engineering Manager
Email: iosullivan@fairfieldsuisunsewer.ca.gov

Lopes Road Lift Station Improvements

The Project consists of demolition and replacement of existing pumps, piping, valves, electrical, instrumentation, controls and emergency backup generator; disposal of existing equipment; temporary bypass pumping; paving and grading; and other related work. A valid Class A California contractor’s license is required to bid on the Project.

Bid Date: Thursday, June 18, 2026 at 2:00pm
Non-Mandatory Pre-Bid Meeting: Thursday, June 4, 2026 at 2:00pm at
1010 Chadbourne Rd, Fairfield, CA 94534
Engineer’s Estimate: $3,600,000

Notice Inviting Bids: Bid packages may be obtained from the District electronically by emailing Theresa Paran at tparan@FairfieldSuisunSewer.ca.gov. Include your business name, address, telephone number, fax number, and email address to receive notifications of project updates and addenda. A hard copy of the Contract Documents is on file at the above-mentioned office of the OWNER and may be reviewed at such office. If plans are obtained through a third party (e.g., contractor plan room), please send your contact information to the person named above to ensure you are added to the planholders list and receive addenda.

Flood Stations Improvements – RFP for Design Services

The Fairfield-Suisun Sewer District (District) is requesting proposals from qualified firms to develop the Basis of Design and final design for improvements to three (3) stormwater stations in Suisun City, CA. The improvements will upgrade and address the reliability, maintainability, safety, and access concerns of these stations.

Priority improvements include, but are not limited to pump replacements, electrical replacements, general mechanical replacements, structural concrete repairs, site security improvements, and fall protection improvements. Please review the Request for Proposals document for more details on the specific needs at each flood station.

Proposal Deadline: Wednesday, June 17, 2026 at 5:00pm
Non-Mandatory Pre-Proposal Meeting: Wednesday, May 20, 2026 at 10:00am at 1010 Chadbourne Rd, Fairfield, CA 94534

Addendum No. 1 – May 26, 2026 (Available upon request)

The Request for Proposals document may be obtained from the District electronically by emailing Melvin Aquino, Assistant Engineer at maquino@FairfieldSuisunSewer.ca.gov and copying Theresa Paran at tparan@fairfieldsuisunsewer.ca.gov. Include your business name, address, telephone number, fax number, and email address to receive notifications of project updates and addenda.

For questions, please email:
Melvin Aquino, EIT
Email: maquino@fairfieldsuisunsewer.ca.gov

Electrical Replacement Phase 2 – Suisun Pump Station

The Project generally consists of installation of new owner-furnished, 1,250 kW diesel engine-driven standby generator and owner-furnished automatic transfer switch and triple switch equipment; construction of new concrete pad foundations and stand-alone metal platforms; Demolition and disposal of existing standby generator, above ground diesel storage tank, and associated facilities; Relocation of existing odor scrubber system and appurtenant equipment; Installation of yard piping, duct banks and other appurtenant work to connect power and controls between new and existing electrical equipment; Furnishing and installing temporary standby power system equipment;  pavement rehabilitation and other related work. A valid Class A or Class C-10 contractor’s license is required to bid on the Project.

Bid Date:  Thursday, May 21, 2026 at 2:00pm
Mandatory Pre-Bid Meeting:  Thursday, April 30, 2026 at 10:00am at 1010 Chadbourne Rd., Fairfield, CA 94534
Engineer’s Estimate:  $1,700,000
Addendum No. 1 – May 5, 2026
Addendum No. 2 – May 14, 2026

Notice Inviting Bids: Bid packages may be obtained from the District electronically by emailing Theresa Paran at tparan@FairfieldSuisunSewer.ca.gov. Include your business name, address, telephone number, fax number, and email address to receive notifications of project updates and addenda. A hard copy of the Contract Documents is on file at the above-mentioned office of the OWNER and may be reviewed at such office. If plans are obtained through a third party (e.g., contractor plan room), please send your contact information to the person named above to ensure you are added to the planholders list and receive addenda.