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NYC Building Code

§ 415.11.6.3 — § 415.11.6.3

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What is NYC BC § 415.11.6.3?

Quick Answer

This section mandates the installation of excess flow control for pressurized piping carrying high hazard materials (HPM) gases or liquids over 15 psig. The control must be positioned within the relevant storage or gas room or as close to the bulk source as feasible. Applies to building owners managing HPM systems.

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

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415.11.6.3 Excess flow control.

BC § 415.11.6.3

Where HPM gases or liquids are carried in pressurized piping above 15 pounds per square inch gauge (psig) (103.4 kPa), excess flow control shall be provided. Where the piping originates from within a liquid storage room, HPM room or gas room, the excess flow control shall be located within the liquid storage room, HPM room or gas room. Where the piping originates from a bulk source, the excess flow control shall be located as close to the bulk source as practical.

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