Space | Classification (see § 193.50-5) | Quantity and location |
---|---|---|
Safety Areas 1 | ||
Wheelhouse or fire control room | None required. | |
Stairway and elevator enclosures | Do. | |
Communicating corridors | A-II | 1 in each main corridor not more than 150 feet apart. (May be located in stairways.) |
Lifeboat embarkation and lowering stations | None required. | |
Radio room | C-I 2 | 2 in vicinity of exit. 2 |
Accommodations 1 | ||
Staterooms, toilet spaces, public spaces, offices, lockers, isolated storerooms, and pantries open decks, etc | None required. | |
Service spaces | ||
Galleys | B-II or C-II | 1 for each 2,500 square feet or fraction thereof suitable for hazards involved. |
Machinery spaces | ||
Paint and lamp rooms | B-II | 1 outside space in vicinity of exit. |
Accessible baggage, mail, and specie rooms, and storerooms | A-II | 1 for each 2,500 square feet or fraction thereof located in vicinity of exits, either inside or outside the spaces. |
Carpenter shop and similar spaces | A-II | 1 outside the space in vicinity of exit. |
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 | B-IIB-V B-V | 2 required. 3 1 required. 4 |
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. 5 |
B-III | 1 required. 6,7 | |
Electric propulsive motors or generators of open type | C-II | 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 gas turbine | B-II | 1 outside the space in vicinity of exit. 7 |
Electric emergency motors or generators | C-II | 1 outside the space in vicinity of exit. 8 |
Steam | None required. | |
Trunks to machinery spaces | Do. | |
Fuel tanks | Do. | |
Scientific spaces | ||
Code of Federal Regulations
350
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Chemistry laboratory or scientific laboratory | C-II | 1 dry chemical and 1 carbon dioxide for each 300 square feet or fraction thereof, with one (1) of each kind located in the vicinity of the exit. |
Chemical storeroom | C-II | Same as for the chemistry laboratory. |
1 Two B-I hand portable fire extinguishers may be substituted for 1 B-II. | ||
2 For vessels on an international voyage, substitute 1 C-II in vicinity of exit. | ||
3 Vessels of less than 1,000 gross tons require 1. | ||
4 Vessels of less than 1,000 gross tons may substitute 1 B-IV. | ||
5 Only 1 required for motorboats. | ||
6 If oil burning donkey boiler fitted in space, the B-V previously required for the protection of the boiler may be substituted. Not required where a fixed carbon dioxide system is installed. | ||
7 Not required on vessels of less than 300 gross tons if fuel has a flash-point higher than 110 °F. | ||
8 Not required on vessels of less than 300 gross tons. |