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NYC Plumbing Code

§ 1106.1 — § 1106.1

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What is NYC PC § 1106.1?

Quick Answer

This section establishes the sizing requirements for vertical conductors, leaders, gutters, building storm drains, and storm sewers based on a 100-year hourly rainfall rate of 3 inches per hour. Applies to building owners responsible for stormwater management systems.

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

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1106.1 General.

PC § 1106.1

The size of the vertical conductors and leaders, gutters, building storm drains, building storm sewers and any horizontal branches of such drains or sewers shall be based on the 100-year hourly rainfall rate of 3 inches (76 mm) per hour. Sizing for secondary and combined primary and secondary conductors, leaders and drains shall be in accordance with Section 1108. (Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2023/077.

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