Gwinnett County Fire Stations 27 & 28 HVAC Replacement Project

This solicitation seeks a qualified contractor to replace the heating, ventilation, and air‑conditioning (HVAC) systems at two Gwinnett County fire stations (27 in Dacula and 28 in Loganville). The work includes demolition of existing equipment and concrete pads, installation of new HVAC units, associated ductwork, controls, electrical modifications, and full commissioning while maintaining fire‑station operations. Bidders must provide a 5 % bid bond, meet strict bonding/insurance criteria, and adhere to an 8 a.m.–5 p.m. work‑hour window unless granted an exception. The contract will be awarded to the lowest responsive and responsible bidder. • Replace HVAC equipment (gas furnaces, condensing units, exhaust fans, make‑up air unit) with new models and R‑454B refrigerant. • Perform concrete demolition and construct new equipment pads per revised drawings. • Provide electrical upgrades, fire‑damper installations, and full system commissioning within a 12‑hour equipment‑downtime limit.