909.21.4.1 Fire resistance.
BC § 909.21.4.1
Where located within the building, the fan system that provides the pressurization shall be protected with the same fire-resistance rating required for the elevator shaft enclosure.
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What is NYC BC § 909.21.4.1?
Quick Answer
This section outlines the fire resistance requirements for fan systems that provide pressurization within buildings. The fan system must have the same fire-resistance rating as that required for elevator shaft enclosures. Applies to building owners responsible for fire safety compliance.
General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.
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