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NYC Building Code

§ 710.8 — § 710.8

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What is NYC BC § 710.8?

Quick Answer

This section mandates that the space around ducts penetrating smoke partitions be filled with approved materials to limit smoke passage. Additionally, air transfer openings in smoke partitions must include a smoke damper as per specified standards. Applies to building owners managing smoke control systems.

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

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710.8 Ducts and air transfer openings.

BC § 710.8

The space around a duct penetrating a smoke partition shall be filled with an approved material to limit the free passage of smoke. Air transfer openings in smoke partitions shall be provided with a smoke damper complying with Section 717.3.2.2. Exception: Where the installation of a smoke damper will interfere with the operation of a required smoke control system in accordance with Section 909, approved alternative protection shall be utilized.

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