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NYC Building Code

§ 722.2.4.4 — § 722.2.4.4

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What is NYC BC § 722.2.4.4?

Quick Answer

This section outlines the minimum dimensional requirements for reinforced concrete columns built into walls, specifying conditions related to fire-resistance ratings and protection of openings in the wall. It applies to building owners involved in the construction or modification of structures with reinforced concrete columns.

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

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722.2.4.4 Columns built into walls.

BC § 722.2.4.4

The minimum dimensions of Table 722.2.4 do not apply to a reinforced concrete column that is built into a concrete or masonry wall provided all of the following are met: 1. The fire-resistance rating for the wall is equal to or greater than the required rating of the column; 2. The main longitudinal reinforcing in the column has cover not less than that required by Section 722.2.4.2; and 3. Openings in the wall are protected in accordance with Table 716.5. Where openings in the wall are not protected as required by Section 716.5, the minimum dimension of columns required to have a fire-resistance rating of 3 hours or less shall be 8 inches (203.2 mm), and 10 inches (254 mm) for columns required to have a fire-resistance rating of 4 hours, regardless of the type of aggregate used in the concrete.

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