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NYC Building Code

§ 1811.2.1 — § 1811.2.1

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What is NYC BC § 1811.2.1?

Quick Answer

This section outlines the requirements for hammers used to drive deep foundations, specifying that the hammer must deliver maximum energy appropriate for the foundation's size and strength. It mandates that the hammer travels freely and that energy measurements are taken during the final 20 blows. Applies to contractors and builders involved in deep foundation work.

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

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1811.2.1 Driving hammer for deep foundations.

BC § 1811.2.1

The hammer to be used to drive deep foundations shall deliver a maximum energy consistent with the size, strength and weight of the driven deep foundations. The hammer shall travel freely in the leads. The hammer shall deliver its rated energy, and measurements shall be made of the fall of the ram or other suitable data shall be obtained at intervals necessary to verify the actual energy delivered during the final 20 blows of the hammer.

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