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What is NYC BC § 909.20.4.1?

Quick Answer

This section specifies that the door assembly from a building into the vestibule must be a fire door assembly in compliance with Section 716.5.3. Additionally, the door from the vestibule to the stairway or ramp requires a minimum 90-minute fire protection rating and must meet smoke door assembly requirements. 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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909.20.4.1 Vestibule doors.

BC § 909.20.4.1

The door assembly from the building into the vestibule shall be a fire door assembly complying with Section 716.5.3. The door assembly from the vestibule to the stairway or ramp shall not have less than a 90-minute fire protection rating and shall meet the requirements for a smoke door assembly in accordance with Section 716.5.3. The door shall be installed in accordance with NFPA 105.

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