46 C.F.R. § 108.445 Alarm and means of escape.
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(a) Each CO2 system that has a supply of more than 136 kilograms (300 pounds) of CO2, except a system that protects a tank, must have an alarm that sounds for at least 20 seconds before the CO2 is released into the space. (b) Each audible alarm for a CO2 system must have the CO2 supply for the system as its source of power and must be in a visible location in the spaces protected.
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PART 108—DESIGN AND EQUIPMENT
Subpart D—Fire Extinguishing Systems
Fixed Carbon Dioxide Fire Extinguishing Systems
§ 108.445 Alarm and means of escape.
