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NYC Fuel Gas Code

§ 504.3.5 — § 504.3.5

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What is NYC FGC § 504.3.5?

Quick Answer

This section outlines the requirements for offsets in common vertical vents, specifying that the maximum capacity must be reduced according to related provisions. It establishes limits on the horizontal length of offsets based on the diameter of the vent. Applies to building owners managing vent systems.

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

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504.3.5 Common vertical vent offset.

FGC § 504.3.5

Where the common vertical vent is offset, the maximum capacity of the common vent shall be reduced in accordance with Section 504.3.6. The horizontal length of the common vent offset (Lo ) shall not exceed 1 1/2 feet for each inch (18 mm for each mm) of common vent diameter (D). Where multiple offsets occur in a common vent, the total horizontal length of all offsets combined shall not exceed 1 1/2 feet for each inch (18 mm for each mm) of common vent diameter (D).

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