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What is NYC FGC § 406.7.1.3?

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This section outlines the requirements for the outdoor discharge of purged gases from a pressure venting or purging system. It specifies the location, monitoring, and safety measures necessary to prevent hazards during purging operations. Applies to building owners conducting gas purging operations.

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

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406.7.1.3 Outdoor discharge of purged gases.

FGC § 406.7.1.3

The open end of a piping system being pressure vented or purged shall discharge directly to an outdoor location. Purging operations shall comply with all of the following requirements: 1. The point of discharge shall be controlled with a shutoff valve.

2.The point of discharge shall be located not less than 10 feet (3048 mm) from sources of ignition, not less than 10 feet (3048 mm) from building openings and not less than 25 feet (7620 mm) from mechanical air intake openings.

3.During discharge, the open point of discharge shall be continuously attended and monitored with a combustible gas indicator that complies with Section 406.7.1.4.

4.Purging operations introducing fuel gas shall be stopped when at least 95 percent fuel gas by volume is detected within the pipe.

5.Persons not involved in the purging operations shall be evacuated from all areas within 10 feet (3048 mm) of the point of discharge.

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