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NYC Mechanical Code

§ 607.4 — § 607.4

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What is NYC MC § 607.4?

Quick Answer

This section mandates that fire and smoke dampers be accessible for inspection and maintenance without compromising fire-resistance-rated assemblies. It requires permanent identification of access points with specific labeling. Applies to building owners responsible for fire safety compliance in their properties.

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

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607.4 Access and identification.

MC § 607.4

Fire and smoke dampers shall be provided with an approved means of access, large enough to permit inspection and maintenance of the damper and its operating parts. The access shall not affect the integrity of fire-resistance-rated assemblies. The access openings shall not reduce the fire-resistance rating of the assembly. Access points shall be permanently identified on the exterior by a label having letters not less than 0.5 inch (12.7 mm) in height reading: FIRE/SMOKE DAMPER, SMOKE DAMPER or FIRE DAMPER, followed by an identification marking that is individual and unique to the damper accessed. Access doors in ducts shall be tight fitting and suitable for the required duct construction.

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