The Santa Clara Valley Water District is soliciting qualified contractors to modify HVAC ductwork and install fire‑smoke dampers, actuators, and access doors in its Headquarters and Administration buildings in San Jose. The contract is a fixed‑price lump‑sum public‑works award, requiring a 10 % electronic bid bond, 100 % performance and payment bonds, and full compliance with California prevailing‑wage, safety, insurance, and environmental regulations. The work includes field verification, coordination with fire‑alarm and electrical trades, functional testing, punch‑list correction, as‑built documentation, O&M manuals, and one‑year warranty. Bidders must submit a comprehensive package of forms, certifications, and insurance certificates through the PlanetBids portal by the stated deadline. • Scope: Modify existing HVAC ductwork, supply/install fire‑smoke dampers, actuators, access doors; perform testing, documentation, training, and one‑year warranty. • Mandatory pre‑bid site visit on 11 Mar 2026; Q&A deadline 18 Mar 2026; bid due 10 Apr 2026. • Financial: District estimate $110‑$132 k; requires 10 % bid bond, 100 % performance/payment bonds, $200/day liquidated damages, and compliance with extensive safety and insurance requirements.