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NYC Building Code

§ 722.5.2.1.2 — § 722.5.2.1.2

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What is NYC BC § 722.5.2.1.2?

Quick Answer

This section allows for substitutions of structural steel beams in approved fire-resistance-rated assemblies, provided that the weight-to-heated-perimeter ratio of the substitute beam meets or exceeds that of the specified beam. Applies to building owners involved in construction and structural compliance.

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

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722.5.2.1.2 Beam and girder substitutions.

BC § 722.5.2.1.2

Except as provided for in Section 722.5.2.2, structural steel beams in approved fire-resistance-rated assemblies shall be considered the minimum permissible size. Other beam or girder shapes shall be permitted to be substituted provided that the weight-to-heated-perimeter ratio (W/D) of the substitute beam is equal to or greater than that of the beam specified in the approved assembly.

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