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5306.2.1 Gas rooms.
A gas room shall be a room separated from the remainder of the building or structure by fire barriers with a fire-resistance rating of not less than 1 hour. Openings between the room and interior spaces shall be protected by self-closing smoke and draft-control assemblies having a fire protection rating of not less than 1 hour. Rooms having an exterior wall shall be provided with at least two vents in such wall, each having not less than 36 square inches (0.023 m2) free area. One vent shall be within 6 inches (152 mm) of the floor and one shall be within 6 inches (152 mm) of the ceiling. Rooms with no exterior wall shall be exhausted through a duct to the outdoors. Supply and exhaust ducts shall be enclosed in a 1-hour-rated shaft enclosure from the room to the outdoors. Approved mechanical ventilation shall comply with the requirements of the Mechanical Code and be provided at a minimum rate of 1 cubic foot per minute per square foot (0.00508 m3/s/m2) of the area of the room. Rooms shall be protected by a sprinkler system.
5306.2.2 Reserved.
5306.2.3 Gas cabinets.
Gas cabinets shall be constructed in accordance with FC 5003.8.6 and the following:
1. The average velocity of ventilation at the face of access ports or windows shall not be less than 200 feet per minute (1.02 m/s) with a minimum of 150 feet per minute ( 0.76 m/s) at any point of the access port or window.
2. Connected to an exhaust system.
3. Internally protected by a sprinkler system.
5306.3 Outdoor storage locations.
The storage of oxidizing medical gases located outdoors in quantities greater than the amount requiring a permit shall be located in accordance with FC 6304.2.
5306.4 Medical gas system.
Medical gas system, including containers, distribution piping, supply manifolds, connections, pressure regulators, relief devices, valves, and monitoring and alarm systems shall comply with the requirements of NFPA 99 and this chapter.
5306.5 Hyperbaric facilities.
Hyperbaric facilities shall be designed, installed, operated and maintained in accordance with the construction codes and this section.
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