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NYC Plumbing Code

§ 1403.1.5 — § 1403.1.5

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What is NYC PC § 1403.1.5?

Quick Answer

This section outlines the requirements for the installation of aggregate and backfill around distribution piping. It specifies the depth and size of the aggregate, the materials for covering, and the necessary soil backfill. Applies to building owners involved in construction or renovation projects requiring compliance with these specifications.

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

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1403.1.5 Aggregate and backfill.

PC § 1403.1.5

Not less than 6 inches in depth of aggregate, ranging in size from 1/2 to 2 1/2 inches (12.7 mm to 64 mm), shall be laid into the trench below the distribution piping elevation. The aggregate shall be evenly distributed not less than 2 inches (51 mm) in depth over the top of the distribution pipe. The aggregate shall be covered with approved synthetic materials or 9 inches (229 mm) of uncompacted marsh hay or straw. Building paper shall not be used to cover the aggregate. Not less than 9 inches (229 mm) of soil backfill shall be provided above the covering.

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