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What is NYC BC § 403.2.3.4?

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This section permits wall assemblies that provide impact resistance equivalent to Hard Body Impact Classification Level 3, as defined by ASTM C 1629 / C 1629M. Applies to building owners seeking to utilize alternative wall assemblies that meet specified impact resistance criteria.

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

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403.2.3.4 Other wall assemblies.

BC § 403.2.3.4

Any other wall assembly that provides impact resistance equivalent to that required by Sections 403.2.3.1 and 403.2.3.2 for Hard Body Impact Classification Level 3, as measured by the test method described in ASTM C 1629 / C 1629M, shall be permitted.

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