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What is NYC BC § 1809.5.2.4?

Quick Answer

This section outlines the requirements for placing concrete shallow foundations through water. It mandates the use of a tremie or an approved method by the commissioner to prevent segregation of the concrete mix and minimize water turbulence. Applies to contractors and builders involved in foundation work.

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

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1809.5.2.4 Placement of concrete.

BC § 1809.5.2.4

Concrete shallow foundations shall not be placed through water unless a tremie or other method approved by the commissioner is used. Where placed under or in the presence of water, the concrete shall be deposited by approved means to ensure minimum segregation of the mix and negligible turbulence of the water.

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