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NYC Administrative Code

§ 27-669 — Pile reactions.

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What is NYC AC § 27-669?

Quick Answer

This section outlines the methodology for determining pile reactions in construction, specifically addressing conditions where piles penetrate compressible strata. It specifies that pile loads must account for drag exerted by surrounding materials during consolidation. Applies to building owners involved in construction projects requiring pile foundations.

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

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§ 27-669 Pile reactions.

AC § 27-669

The loads to be used in computing pile reactions shall be determined as provided in section 27-668 of this article except that where piles penetrate fill, clay, silt, peat, or similar compressible strata, the pile loads shall be increased by the amount of drag exerted by such material, and by any overlaying strata, during consolidation. Computation of the amount of drag shall consider the amount of added fill, the amount of shear strain between pile (or group) and the soil, the ratio of vertical to horizontal pressure in the soil, and the arrangement of the piles. The soil surrounding or underlying the pile cap shall not be considered as providing any vertical support for the cap.

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