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NYC Building Code

§ 3304.12 — § 3304.12

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What is NYC BC § 3304.12?

Quick Answer

This section outlines the requirements for using slurry to support excavations, trenches, or drilled holes. It mandates that a registered design professional provide signed and sealed design and installation procedures, including specific slurry mix proportions and parameters for stability. Applies to building owners involved in excavation projects.

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

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3304.12 Slurry.

BC § 3304.12

Where slurry is utilized to support an excavation, trench, or drilled or bored hole, slurry mix proportions and installation procedures shall be provided by a registered design professional on signed and sealed design and installation procedures. The installation procedures shall account for all imposed loads, including those from the earth, adjacent structures, and adjacent equipment. Where construction documents are required for the support of excavation by Section 3304.4.1, slurry mix proportions, slurry installation procedures, and slurry parameters necessary for stability, including but not limited to viscosity, unit weight, fluid loss, sand content, and pH, shall be indicated on such construction documents. The use of slurry to support excavations shall be subject to special inspection in accordance with Chapter 17.

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