NFPA 80A primarily addresses HVAC (Heating, Ventilation, and Air Conditioning) systems that penetrate fire-rated and smoke-rated barriers in buildings. The standard focuses on the proper use of fire dampers, smoke dampers, and combination fire/smoke dampers to ensure that openings in walls, floors, and ceilings do not compromise the integrity of fire and smoke compartments.
These systems are common in commercial buildings, hospitals, schools, high-rises, and industrial facilities, where maintaining compartmentation is critical for life safety and code compliance. NFPA 80A provides guidance on selecting, installing, and maintaining dampers to prevent the spread of fire and smoke through ductwork and air transfer openings.
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