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NYC Mechanical Code

§ 607.5.1 — § 607.5.1

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What is NYC MC § 607.5.1?

Quick Answer

This section outlines requirements for ducts and air transfer openings in firewalls, mandating the use of listed fire dampers and smoke dampers as per the New York City Building Code. An exception exists for smoke dampers under specific conditions related to air movement and power loss. 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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607.5.1 Fire walls.

MC § 607.5.1

Ducts and air transfer openings permitted in firewalls in accordance with Section 706.11 of the New York City Building Code 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 or loss of normal power by provision of standby power in accordance with Chapter 27 of the New York City Building Code.

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