CFR

149.409—How many fire extinguishers are needed?

Each particular location must have the number of fire extinguishers required by table 149.409.

Table 149.409—Portable and Semi-Portable Extinguishers, Minimum Quantity and Location

Space	Classification	Minimum quantity and location
(a) Safety Areas:
(1) Communicating corridors	A-II	One in each main corridor or stairway not more than 150 feet apart.
(2) Radio room	C-II	One outside or near each radio room exit.
(b) Accommodation Spaces:
(1) Sleeping quarters	A-II	One in each sleeping space that fits more than four persons.
(c) Service Spaces:
(1) Galleys	B-II or CII	One for each 2,500 square feet or fraction thereof, for hazards involved.
(2) Storerooms	A-II	One for each 2,500 square feet or fraction thereof, located near each exit, either inside or outside the space.
Code of Federal Regulations 182
(3) Paint room	B-II	One outside each paint room exit.
(d) Machinery Spaces:
(1) Gas-fired boilers	B-II OR C-II	Two.
(2) Gas-fired boilers	B-V	One. 1
(3) Oil-fired boilers	B-II	Two.
(4) Oil-fired boilers	B-V	Two. 1
(5) Internal combustion or gas turbine engines	B-II	One for each engine. 2
(6) Open electric motors and generators	C-II	One for each of two motors or generators. 3
(e) Helicopter Areas:
(1) Helicopter landing decks	B-V	One at each access route.
(2) Helicopter fueling facility	B-V	One at each fuel transfer facility.4
1 Not required if a fixed system is installed.
2 If the engine is installed on a weather deck or is open to the atmosphere at all times, one B-II may be used for every three engines.
3 Small electrical appliances, such as fans, are exempt.
4 Not required if a fixed foam system is installed in accordance with 46 CFR 108.489 .

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