709.3 Fire-resistance rating.
BC § 709.3
A 1-hour fire-resistance rating is required for smoke barriers. Exception: Smoke barriers constructed of minimum 0.10-inch (2.5 mm) thick steel in Group I-3 buildings.
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What is NYC BC § 709.3?
Quick Answer
This section establishes a requirement for a 1-hour fire-resistance rating for smoke barriers in buildings. An exception is provided for smoke barriers made of a minimum thickness of 0.10-inch steel in Group I-3 buildings. Applies to building owners and operators 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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