CA SAN diego BAY NWR HQ HVAC repair

The Department of the Interior Fish and Wildlife Service seeks HVAC repair and upgrade services at the California San Diego Bay National Wildlife Refuge Headquarters facility in Chula Vista, with proposals due July 21. The procurement is a Total Small Business set-aside.

Place of performance is 1080 Gunpowder Drive, Chula Vista, California. Period of performance runs July 29, 2026, through November 27, 2026. The scope comprises five mandatory tasks and four optional tasks: Task 1 (Variable Frequency Drive replacement on a like-for-like basis), Task 2 (Energy Management System upgrade reusing existing mechanical equipment), Task 3 (like-for-like hot water storage tank replacement), Task 4 (comprehensive retro-commissioning including duct cleaning limited to the Headquarters building, calibration, maintenance checks, functional testing, and final reporting), and optional Tasks 5–8 (solar thermal system removal, smart thermostat installation, reverse osmosis system installation, and solar photovoltaic system expansion). Task 4 commissioning deliverables include a retro-commissioning plan, calibration and maintenance reports, daily activity logs, and a final retro-commissioning report with improvement recommendations and owner's manual updates in PDF format not exceeding 5 MB per file.

NAICS code is 236220, Commercial and Institutional Building Construction; PSC is Y1PZ, Construction of Other Non-Building Facilities. A second site visit is scheduled for July 14, 2026, at 11:00 AM Pacific Time. Bid bond of 20% of bid price is required at proposal submission. Awards over $35,000 require a Payment Bond; awards exceeding $150,000 require both Payment and Performance Bonds due within 10 calendar days of award. The government has established no preference for VFD communication protocols and no basis-of-design manufacturers.