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NYC Building Code

§ 2206.4.4 — § 2206.4.4

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What is NYC BC § 2206.4.4?

Quick Answer

This section outlines the fire-resistance-rating requirements for concrete-filled steel columns, specifying that they must meet the ratings in Table 601. It details the minimum diameter for steel columns based on construction type and height. 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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2206.4.4 Fire-resistance-rating protection of concrete filled columns.

BC § 2206.4.4

Concrete-filled steel columns shall comply with the required fire-resistance ratings specified in Table 601. Where an outer steel shell is used to enclose the fire protective covering, the shell shall not be included in the calculations for strength of the column section. The minimum diameter of steel columns shall be 4 inches (102 mm) except that in structures of Type V construction not exceeding three stories or 40 feet (12 192 mm) above grade plane, steel columns used in basements and as secondary steel members shall have a minimum diameter of 3 inches (76 mm).

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