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// CODE SNIPPET

5307.4.4 Pressurization and Ventilation

2020 Fire Code of NYS > 53 Compressed Gases > 5307 Compressed Gases Not Otherwise Regulated > 5307.4 Carbon Dioxide Enrichment Systems > 5307.4.4 Pressurization and Ventilation
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Rooms or indoor areas in which carbon dioxide enrichment is provided shall be maintained at a negative pressure in relation to the surrounding areas in the building. A mechanical ventilation system shall be provided in accordance with the Mechanical Code of New York State that complies with all of the following:

  1. Mechanical ventilation in the room or area shall be at a rate of not less than 1 cfm per square foot [0.00508 m3/(s • m2)].
  2. When activated by the gas detection system, the mechanical ventilation system shall remain on until manually reset.
  3. The exhaust system intakes shall be taken from points within 12 inches (305 mm) of the floor.
  4. The ventilation system shall discharge to the outdoors in an approved location.

Related Code Sections


5307.4.4 Compressed Gases, Pressurization and Ventilation
Rooms or indoor areas in which carbon dioxide enrichment is provided shall be maintained at a negative pressure in relation to the surrounding areas ...
2020 Fire Code of NYS > 53 Compressed Gases > 5307 Compressed Gases Not Otherwise Regulated > 5307.4 Carbon Dioxide Enrichment Systems > 5307.4.4 Pressurization and Ventilation
2703.8.5.2 Hazardous Materials-General Provisions, Ventilation
The ventilation system for exhausted enclosures shall be designed to operate at a negative pressure in relation to the surrounding area. Ventilation ...
2010 Fire Code of NY > 27 Hazardous Materials-General Provisions > 2703 General Requirements > 2703.8 Construction Requirements > 2703.8.5 Exhausted Enclosures > 2703.8.5.2 Ventilation
5003.8.5.2 Hazardous Materials—General Provisions, Ventilation
to operate at a negative pressure in relation to the surrounding area. Ventilation systems used for highly toxic and toxic gases shall also comply with Items ...
Fire Code 2015 of New York State > 50 Hazardous Materials—General Provisions > 5003 General Requirements > 5003.8 Construction Requirements > 5003.8.5 Exhausted Enclosures > 5003.8.5.2 Ventilation
5003.8.5.2 Hazardous Materials — General Provisions, Ventilation
to operate at a negative pressure in relation to the surrounding area. Ventilation systems used for highly toxic and toxic gases shall also comply with Items ...
2020 Fire Code of NYS > 50 Hazardous Materials — General Provisions > 5003 General Requirements > 5003.8 Construction Requirements > 5003.8.5 Exhausted Enclosures > 5003.8.5.2 Ventilation
502.9.6 Exhaust Systems, Highly Toxic and Toxic Liquids
Ventilation exhaust shall be provided for highly toxic and toxic liquids as required by Sections 502.9.6.1 and 502.9.6.2 ...
2020 Mechanical Code of NYS > 5 Exhaust Systems > 502 Required Systems > 502.9 Hazardous Materials—Requirements for Specific Materials > 502.9.6 Highly Toxic and Toxic Liquids
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