Is a stand alone smoke extraction system required for a 6-story hospital, in the current NFPA standards?
NFPA 101 and NFPA 99, the most widely used fire safety codes for hospitals and high rise buildings, require various smoke control systems. Smoke containment systems using mechanical exhaust may have to be in dedicated exhaust ducts and fans. Air supplies to the areas may be from the buildings ventilation system and/or the outside air ventilation. The codes reference NFPA 92, Standard for Smoke Control Systems should be consulted for the design fundamentals of the various smoke control systems.
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