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NYC Building Code

§ 717.5.1 — § 717.5.1

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What is NYC BC § 717.5.1?

Quick Answer

This section outlines the requirements for ducts and air transfer openings in fire walls, mandating the installation of listed fire dampers and smoke dampers as per their listing. An exception exists for certain ducts under specific conditions. Applies to building owners managing fire safety systems in structures.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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717.5.1 Fire walls.

BC § 717.5.1

Ducts and air transfer openings permitted in fire walls in accordance with Section 706.11 shall be protected with listed fire dampers and smoke dampers installed in accordance with their listing. Exception: Smoke dampers shall not be required in ducts where the air continues to move and the air-handling system installed is arranged to prevent recirculation of exhaust or return air under fire emergency conditions. The air-handling system shall be continuously monitored to ensure continuous airflow at a constantly attended location and be inspected and maintained in accordance with the system manufacturer's instructions.

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