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What is NYC BC § 721.1.1?

Quick Answer

This section specifies the minimum thickness of fire-resistant materials required for the protection of structural members, as outlined in Table 721.1(1). It clarifies that the listed thickness does not account for any hollow space behind the protective materials. Applies to building owners responsible for structural safety.

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

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721.1.1 Thickness of protective coverings.

BC § 721.1.1

The thickness of fire-resistant materials required for protection of structural members shall be not less than set forth in Table 721.1(1), except as modified in this section. The figures shown shall be the net thickness of the protecting materials and shall not include any hollow space in back of the protection.

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