181.500—Required number, type, and location.

(a) Each portable fire extinguisher on a vessel must be of an approved type. The minimum number of portable fire extinguishers required on a vessel must be acceptable to the cognizant OCMI, but must be not less than the minimum number required by Table 181.500(a) and other provisions of this section.
Table 181.500(a)
Space protected Minimum No. required Type extinguisher permitted
CG class Medium Min size
Operating Station 1 B-I, C-I Halon 1.1 kg (2.5 lb).
CO2 1.8kg (4 lb).
Dry Chemical 0.9 kg (2 lb).
Machinery Space 1 B-II, C-II located just outside exit CO2 6.8 kg (15 lb).
Dry chemical 4.5 kg (10 lb).
Open Vehicle Deck 1 for every 10 vehicles B-II Foam 9.5 L (2.5 gal).
Halon 4.5 kg (10 lb).
CO2 6.8 kg (15 lb).
Dry Chemical 4.5 kg (10 lb).
Accomodation Space 1 for each 232.3 square meters (2,500 square feet) or fraction thereof A-II Foam Dry Chemical 9.5 L (2.5 gal). 4.5 kg (10 lb).
Galley, Pantry, Concession Stand 1 A-II, B-II Foam 9.5 L (2.5 gal).
Dry Chemical 4.5 kg (10 lb).
(b) A vehicle deck without a fixed sprinkler system and exposed to weather must have one B-II portable fire extinguisher for every five vehicles, located near an entrance to the space.
(c) The cognizant OCMI may permit the use of a larger portable fire extinguisher, or a semiportable fire extinguisher, in lieu of those required by this section.
(d) The frame or support of each B-V fire extinguisher permitted by paragraph (c) of this section must be welded or otherwise permanently attached to a bulkhead or deck.
[CGD 85-080, 61 FR 982, Jan. 10, 1996; 61 FR 24464, May 15, 1996, as amended at 62 FR 51358, Sept. 30, 1997]