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NYC Mechanical Code

§ 502.10.2 — § 502.10.2

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What is NYC MC § 502.10.2?

Quick Answer

This section outlines requirements for exhaust ducts that penetrate fire barrier assemblies and horizontal assemblies as per the New York City Building Code. It mandates that such ducts be contained in a shaft with equivalent fire-resistance-rated construction and prohibits their penetration through fire walls. Applies to building owners managing exhaust systems.

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

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502.10.2 Penetrations.

MC § 502.10.2

Exhaust ducts penetrating fire barrier assemblies constructed in accordance with Section 707 of the New York City Building Code or horizontal assemblies constructed in accordance with Section 711 of the New York City Building Code shall be contained in a shaft of equivalent fire-resistance-rated construction. Exhaust ducts shall not penetrate fire walls. Fire dampers shall not be installed in exhaust ducts.

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