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NYC Building Code

§ 722.5.1.3.1 — § 722.5.1.3.1

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What is NYC BC § 722.5.1.3.1?

Quick Answer

This section outlines the determination of material-dependent constants, C1 and C2, for specific fire-resistant materials based on standard fire-resistance tests as per Section 703.2. It specifies that these constants are primarily applicable to structural steel columns with defined weight-to-heated-perimeter ratios. Applies to building owners using fire-resistant materials in construction.

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

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722.5.1.3.1 Material-dependent constants.

BC § 722.5.1.3.1

The material-dependent constants, C 1 and C 2 , shall be determined for specific fire-resistant materials on the basis of standard fire-resistance tests in accordance with Section 703.2. Unless evidence is submitted to the commissioner substantiating a broader application, this expression shall be limited to determining the fire resistance of structural steel columns with weight-to-heated-perimeter ratios (W/D) between the largest and smallest columns for which standard fire-resistance test results are available.

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