// CODE SNIPPET
705.5.3.1 Vent Pipe Outlets for Purging
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Vent pipe outlets for purging shall be located such that the inert gas and fuel gas is released outdoors and not less than 8 feet (2438 mm) above the adjacent ground level. Gases shall be discharged upward or horizontally away from adjacent walls to assist in dispersion. Vent outlets shall be located such that the gas will not be trapped by eaves or other obstructions and shall be at least 5 feet (1524 mm) from building openings and lot lines of properties that can be built on.
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National Electrical Code 2020 of Colorado > 5 Special Occupancies > 500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2 > 500.7 Protection Techniques > (D) Purged and Pressurized