Gwinnett County Fire Stations 27 & 28 HVAC Replacement Project

This sealed‑bid solicitation seeks a qualified contractor to replace the heating, ventilation, and air‑conditioning (HVAC) systems at two active fire stations in Gwinnett County, GA. The scope includes complete demolition of existing equipment and concrete pads, installation of new high‑efficiency HVAC units, associated ductwork, controls, and electrical work, and full commissioning of the systems while maintaining fire‑station operations. Bidders must provide the required bid bond, meet stringent bonding/insurance criteria, and adhere to mandated work‑hour restrictions (8 a.m.–5 p.m., M‑F). The project’s success hinges on the ability to execute phased work with minimal equipment downtime (≤12 hours per unit). • Replace HVAC equipment at Fire Station 27 (Dacula) and Fire Station 28 (Loganville) including new furnaces, condensing units, exhaust fans, make‑up‑air unit, and control systems. • Perform demolition of existing concrete pads, install new pads, route new refrigerant piping (R‑454B), and upgrade electrical distribution per NEC. • Provide bonding (5 % bid bond, 100 % performance & payment bonds) and insurance with A‑8‑or‑better rating; submit all required submittals and comply with work‑hour and equipment‑downtime limits.