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What is NYC BC § 722.5.1.4.4?

Quick Answer

This section specifies the minimum thickness of precast concrete column covers for structural steel columns, as detailed in referenced tables. The thickness requirements are based on various fire-resistance ratings for typical wide-flange shapes. Applies to building owners using precast concrete for structural protection.

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

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722.5.1.4.4 Minimum precast concrete cover.

BC § 722.5.1.4.4

For structural steel columns protected with precast concrete column covers as shown in Figure 722.5.1(6)(a), Tables 722.5.1(9) and 722.5.1(10) indicate the thickness of the column covers required for various fire-resistance ratings for typical wide-flange shapes. The thicknesses of concrete given in these tables apply to structural steel columns larger than those listed.

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