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NYC Building Code

§ 3303.5.5.3 — § 3303.5.5.3

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What is NYC BC § 3303.5.5.3?

Quick Answer

This section outlines construction requirements for chutes exceeding 75 feet in height or used in Group I occupancy buildings. It mandates that such chutes must be made of noncombustible materials or, if constructed from combustible materials, they must be covered with corrugated steel sheeting of at least 24 gauge. Applies to building owners with relevant chute installations.

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

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3303.5.5.3 Chute construction where the chute is over 75 feet in height, or utilized in Group I occupancy.

BC § 3303.5.5.3

Chutes that exceed 75 feet (22 860 mm) in height, or that are used in an occupied building where the main use or dominant occupancy is in Group I, shall either: 1. Be constructed of noncombustible material; or 2. Where constructed of combustible material, the combustible material of the chute shall be covered on the exterior of the chute with corrugated steel sheeting having a minimum thickness of 24 gauge through the entire height of the chute.

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