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NYC Fuel Gas Code

§ 406.1.4 — § 406.1.4

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What is NYC FGC § 406.1.4?

Quick Answer

This section outlines the procedures for testing piping systems, specifying that valves cannot serve as bulkheads between gas and test mediums unless a double block and bleed valve system is in place. It mandates that upstream piping must be deenergized before testing. Applies to building owners responsible for gas piping systems.

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

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406.1.4 Section testing.

FGC § 406.1.4

A piping system shall be permitted to be tested as a complete unit or in sections. Under no circumstances shall a valve in a line be used as a bulkhead between gas in one section of the piping system and test medium in an adjacent section, except where a double block and bleed valve system or flange is installed. A valve shall not be subjected to the test pressure unless the piping system upstream of the valve has been deenergized. The section of piping not subjected to the pressure test shall be checked with a noncorrosive leak-detecting fluid or other approved leak-detecting methods. Sections may be tested at different pressures in accordance with Section 406.4.

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