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NYC Building Code

§ 717.1.1 — § 717.1.1

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What is NYC BC § 717.1.1?

Quick Answer

This section outlines the requirements for ducts transitioning horizontally between shafts, stating that a shaft enclosure is not necessary if the duct penetration into each shaft is protected with appropriate dampers. Applies to building owners managing duct systems in high-rise structures.

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

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717.1.1 Ducts and air transfer openings.

BC § 717.1.1

Ducts transitioning horizontally between shafts shall not require a shaft enclosure provided that the duct penetration into each associated shaft is protected with dampers complying with this section.

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