46 C.F.R. § 108.439 Quantity of CO2 for protection of spaces.
Title 46 - Shipping
(a) The number of pounds of CO2 required to protect a space must be equal to the gross volume of the space divided by the appropriate factor from Table 108.439. (b) If a machinery space includes a casing, the gross volume of the space may be calculated using the reductions allowed in 46 CFR 95.10–5(e). (c) If fuel can drain from a space to an adjacent space or if two spaces are not entirely separate, the requirements for both spaces must be used to determine the amount of CO2 to be provided and the CO2 system must be arranged to discharge into both spaces simultaneously.
Title 46: Shipping
PART 108—DESIGN AND EQUIPMENT
Subpart D—Fire Extinguishing Systems
Fixed Carbon Dioxide Fire Extinguishing Systems
§ 108.439 Quantity of CO2 for protection of spaces.
Table 108.439_CO2 Supply Factors [Gross volume of space in cubic feet]------------------------------------------------------------------------ Over Not over Factor------------------------------------------------------------------------0................................................. 500 15500............................................... 1,600 161,600............................................. 4,500 184,500............................................. 50,000 2050,000............................................ ......... 22------------------------------------------------------------------------
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