(a) Approved portable fire extinguishers and semi-portable fire extinguishing systems must be installed in accordance with Table 95.50-10(a) of this section. The location of the equipment must be to the satisfaction of the Officer in Charge, Marine Inspection. Nothing in this paragraph should be construed as limiting the Officer in Charge, Marine Inspection, from requiring such additional equipment as he or she deems necessary for the proper protection of the vessel.
(b) Table 95.50-10(a) indicates the minimum required number and type of extinguisher for each space listed. Extinguishers with larger numerical ratings or multiple letter designations may be used if the extinguishers meet the requirements of the table.
Table 95.50-10(a)—Portable Fire Extinguisher and Semi-Portable Fire Extinguishing Systems
| Space | Minimum required rating | Quantity and location |
|---|---|---|
| Safety Areas1 | ||
| Wheelhouse or fire control room | None required. | |
| Stairway and elevator enclosures | None required. | |
| Communicating corridors. | 2-A | 1 in each main corridor not more than 150 ft apart. (May be located in stairways.) |
| Lifeboat embarkation and lowering stations | None. | |
| Radio room | 20-B:C2 | 2 required in the vicinity of the exit.2 |
| Accommodations1 | ||
| Staterooms, toilet spaces, public spaces, offices, lockers, isolated storerooms, pantries, open decks, etc | None required. | |
| Service Spaces1 | ||
| Galleys | 40-B:C | 1 for each 2,500 sq ft or fraction thereof suitable for hazards involved. |
| Paint and lamp rooms | 40-B | 1 outside space in the vicinity of the exit. |
| Accessible baggage, mail, specie rooms, and storerooms | 2-A | 1 for each 2,500 sq ft or fraction thereof located in the vicinity of the exits, either inside or outside the spaces. |
| Carpenter shop and similar spaces | 2-A | 1 outside the space in the vicinity of the exit. |
| Machinery Spaces | ||
| Coal-fired boilers: Bunker and boiler space | None required. | |
| Oil-fired boilers: Spaces containing oil-fired boilers, either main or auxiliary, or their fuel-oil units | 40-B 160-B |
2 required.3 1 required.4 |
| Internal combustion or gas turbine propelling machinery spaces | 40-B | 1 for each 1,000 brake horsepower; not less than 2 but not more than 6.5 |
| 120-B | 1 required.6 7 | |
| Electric propulsive motors or generators of an open type | 40-B:C | 1 for each propulsion motor or generator unit. |
| Enclosed ventilating systems for motors and generators of electric propelling machinery | None required. | |
| Auxiliary Spaces | ||
| Internal combustion or gas turbine | 40-B | 1 outside the space in the vicinity of the exit.7 |
| Electric emergency motors or generators | 40-B:C | 1 outside the space in the vicinity of the exit.8 |
| Steam | None required. | |
| Trunks to machinery spaces | None required. | |
| Fuel tanks | None required. | |
| Cargo Spaces | ||
| Inaccessible during voyage, including trunks and cargo tanks | None required. | |
| Accessible during voyage | None required. | |
| Spare Units | ||
| 2-A | 10 percent of the total number required rounded up. | |
| 40-B:C | 10 percent of the total number required rounded up. | |
| 20-B:C | 1 | |
1For motorboats, the total number of portable fire extinguishers required for safety areas, accommodation spaces, and service spaces must be one 20-B for motorboats of less than 50 GT and two 20-B ratings for motorboats of 50 GT or more.
2For vessels on an international voyage, substitute one 20-C in the vicinity of the exit.
3Vessels of less than 1,000 gross tons require one.
4Vessels of less than 1,000 gross tons may substitute one 160-B.
5Only one is required for motorboats.
6If an oil-burning donkey boiler fitted in space, the 160-B previously required for the protection of the boiler may be substituted. Not required where a fixed carbon dioxide system is installed.
7Not required on vessels of less than 300 gross tons if the fuel has a flashpoint higher than 110 °F.
8Not required on vessels of less than 300 gross tons.
(c) Semi-portable fire extinguishing systems must be located in the open so as to be readily seen.
(d) If portable fire extinguishers are not located in the open or behind glass so that they may be readily seen, they may be placed in enclosures together with the firehose, provided such enclosures are marked as required by §97.37-15 of this subchapter.
(e) Portable fire extinguishers and their stations must be numbered in accordance with §97.37-23 of this subchapter.
(f) Portable or semi-portable extinguishers, which are required on their nameplates to be protected from freezing, must not be located where freezing temperatures may be expected.
[USCG-2012-0196, 81 FR 48264, July 22, 2016]
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