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NYC Building Code

§ 1805.4.1 — § 1805.4.1

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What is NYC BC § 1805.4.1?

Quick Answer

This section outlines the requirements for a drainage course, specifying that it must consist of washed gravel, crushed natural stone, or another suitable drainage medium approved by the engineer. Recycled concrete aggregate is prohibited in drainage courses associated with subsoil drainage systems. Applies to building owners involved in drainage system installations.

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

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1805.4.1 Drainage course.

BC § 1805.4.1

A drainage course shall consist of washed gravel, crushed natural stone or other suitable drainage medium acceptable to the engineer. Recycled concrete aggregate is not acceptable for use in a drainage course where a subsoil drainage system is used.

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