CA-SF BAY NWR complx-sewer system rehab

The Department of the Interior Fish and Wildlife Service seeks sewer system rehabilitation at the Don Edwards San Francisco Bay National Wildlife Refuge in Fremont, California, with proposals due September 15, 2026, and questions due September 8 at 1:00 PM EST. This is a total small business set-aside.

Place of performance is 1 Marshlands Road, Fremont, California. A mandatory site visit is scheduled for September 2, 2026, at 10:00 AM PDT. The contract is Firm Fixed Price for a period of performance from September 21, 2026, through March 31, 2027. Work includes inspection, cleanup, repair of sewer lines, and replacement of plumbing fixtures, structured as a base contract (Tasks 1–4 and Task 6) and an option (Tasks 5 and 7–10). The estimated project magnitude is $25,000–$75,000. Awards exceeding $35,000 require submission of a Payment Bond within 10 calendar days of award; awards exceeding $150,000 require both Payment and Performance Bonds within 10 calendar days of award. All offerors must submit a subcontracting plan addressing small business utilization and provide certified payrolls per Davis-Bacon Act requirements. Invoices must be submitted electronically through the Invoice Processing Platform. The procurement carries environmental, hazardous materials, and green procurement compliance requirements. The NAICS code is 237110, Water and Sewer Line and Related Structures Construction. The PSC code is Z2ND, Repair Or Alteration Of Sewage And Waste Facilities. Amendment 0001, effective August 20, 2026, does not extend the deadline. The contracting officer is Jessica Tines. The government will accept offers for at least 220 calendar days after the due date.