108.495—Spare charges.

(a) Each unit must have enough spare charges for 50 percent of the hand portable fire extinguishers required under Table 108.495(a) of this subpart that are rechargeable by personnel on the unit.

(b) If a unit has extinguishers that cannot be recharged by personnel on unit, it must also have at least one spare extinguisher for each classification and variety of those extinguishers.

Table 108.495(a)—Hand Portable Fire Extinguishers and Semiportable Fire-Extinguishing Systems

Space	Classification (see table 108.495(b))	Quantity and location
safety areas
Wheelhouse and control room	C-I	2 in vicinity of exit.
Stairway and elevator enclosure		None required.
Corridors	A-II	1 in each corridor not more than 150 ft (45 m) apart. (May be located in stairways.)
Lifeboat embarkation and lowering stations		None required.
Radio room	C-I	2 in vicinity of exit.
accommodations
Staterooms, toilet spaces, public spaces, offices, lockers, small storerooms, and pantries, open decks, and similar spaces		None required.
service spaces
Galleys	B-II or C-II	1 for each 2,500 ft 2 (232 m 2 ) or fraction thereof suitable for hazards involved.
Paint and lamp rooms	B-II	1 outside each room in vicinity of exit.
Storerooms	A-II	1 for each 2,500 ft 2 (232 m 2 ) or fraction thereof located in vicinity of exits, either inside or outside the spaces.
Work shop and similar spaces	C-II	1 outside each space in vicinity of an exit.
machinery spaces
Oil-fired boilers: Spaces containing oil-fired boilers, either main or auxiliary, or their fuel oil units	B-IIB-V	2 required in each space.1 required in each space.
Internal combustion or gas turbine propelling machinery spaces	B-II	1 for each 1,000 brake horsepower but not less than 2 nor more than 6 in each space.
	B-III	1 required in each space. See note 1.
Motors or generators of electric propelling machinery that do not have an enclosed ventilating system.	C-II	1 for each motor or generator.
Motors and generators of electric propelling machinery that have enclosed ventilating systems		None required.
auxiliary spaces
Internal combustion engines or gas turbine	B-II	Outside the space containing engines or turbines in vicinity of exit.
Electric emergency motors or generators	C-II	1 outside the space containing motors or generators in vicinity of exit.
Steam driven auxiliary machinery		None required.
Trunks to machinery spaces		Do.
Fuel tanks		Do.
miscellaneous areas
Helicopter landing decks	B-V	1 at each access route.
Helicopter fueling facilities	B-IV	1 at each fuel transfer facility. See note 2.
Code of Federal Regulations 144
Drill floor	C-II	2 required.
Cranes with internal combustion engines	B-II	1 required.
Notes: 1. Not required where a fixed gas extinguishing system is installed.
2. Not required where a fixed foam system is installed in accordance with § 108.489 of this subpart.

Table 108.495(b)

	Classification: Type and size	Water liters (gallons)	Foam liters (gallons)	Carbon dioxide kilograms (pounds)	Dry chemical kilograms (pounds)	Halon 1211 kilograms (pounds)
A	II	9.5 (21/2)	9.5 (21/2)		2.25 (5) 3
B	I		4.7 (11/4)	1.8 (4)	0.9 (2)	1.1 (21/2)
B	II		9.5 (21/2)	6.7 (15)	4.5 (10)	4.5 (10) 5
B	III		45.5 (12)	15.8 (35)	9.0 (20)
B	IV		7.6 (20)	22.5 (50)	13.5 (30)
B	V		152 (40)	45 (100) 4	22.5 (50) 4
C	I			1.8 (4)	0.9 (2)
C	II			6.7 (15)	4.5 (10)
C	III			15.8 (35)	9.0 (20)
C	IV			22.5 (50)	13.5 (30)
Note: 1. Fire extinguishers are designed by type as follows: (a) “A” for fires in combustible materials such as wood. (b) “B” for fires in flammable liquids and greases. (c) “C” for fires in electrical equipment.
2. Fire extinguishers are designated by size where size “I” is the smallest and size “V” is the largest. Sizes “I” and “II” are hand-portable extinguishers and sizes “III”, “IV”, and “V” are semiportable extinguishers.
3. Must be specifically approved as a type A, B, or C extinguisher.
4. For outside use, double the quantity of agent that must be carried.
5. For outside use only.

CFR

108.495—Spare charges.