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NYC Building Code

§ 1809.5.7.2 — § 1809.5.7.2

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What is NYC BC § 1809.5.7.2?

Quick Answer

This section outlines the design requirements for concrete piers, specifying that they may be constructed of plain or reinforced concrete when adequate lateral support is provided. It references ACI 318 standards for construction. Applies to building owners involved in structural design and construction.

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

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1809.5.7.2 Concrete design.

BC § 1809.5.7.2

Where adequate lateral support is furnished by the surrounding materials defined in Section 1810.7 of this code, piers may be constructed of plain or reinforced concrete and the requirements of ACI 318 shall apply. Exception: Where adequate lateral support is not provided, and the ratio of unsupported height to least horizontal dimension does not exceed three, piers of plain concrete shall be designed and constructed as pedestals in accordance with ACI 318. Where the unsupported height to least horizontal dimension exceeds three, piers shall be constructed of reinforced concrete, and shall conform to the requirements for columns in ACI 318.

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