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NYC Fire Code

§ 5704.2.12.3 — § 5704.2.12.3

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What is NYC FC § 5704.2.12.3?

Quick Answer

This section outlines the testing requirements for aboveground tanks, specifying hydrostatic and pneumatic testing pressures and conditions. It mandates that tests must be conducted to ensure no leakage or permanent deformation occurs. Applies to owners of aboveground tanks used for flammable or combustible liquids.

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

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5704.2.12.3 Testing of aboveground tanks.

FC § 5704.2.12.3

Aboveground tanks shall be tested hydrostatically at 15 pounds per square inch (psig) (103.4 kPa) for the inner tank, and pneumatically or hydrostatically at 5 pounds per square inch (psig) (34.5 kPa) for the annular space (secondary containment tank). When a pneumatic test is allowed, an inert gas shall be used; however, air may be used if the tank does not contain any flammable or combustible liquid vapor. Test pressure shall be maintained for sufficient time to complete visual inspection, but not less than 1 hour. A tank shall be deemed to have passed the test if it shows no evidence of leakage or permanent deformation.

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