145.10—Locations and number of fire extinguishers required.
(a)
Approved portable and semi-portable extinguishers shall be installed in accordance with Table 145.10(a).
| Space | Classification | Quantity and location |
|---|---|---|
| safety areas | ||
| Communicating corridors | A-II | 1 in each main corridor not more than 150 feet apart. (May be located in stairways.) |
| Radio room | C-II | 1 in vicinity of exit. |
| accommodations | ||
| Sleeping accommodations | A-II | 1 in each sleeping accommodation space. (Where occupied by more than 4 persons.) |
| services spaces | ||
| Galleys | B-II or C-II | 1 for each 2,500 square feet or fraction thereof for hazards involved. |
| Storerooms | A-II | 1 for each 2,500 square feet or fraction thereof located in vicinity of exits, either inside or outside of spaces. |
| machinery spaces | ||
| Gas-fired boilers | B-II (CO2 or dry chemical) | 2 required. |
| Gas-fired boilers | B-V | 1 required. 1 |
| Oil-fired boilers | B-II | 2 required. |
| Oil-fired boilers | B-V | 2 required. 1 |
| Internal combustion or gas turbine engines | B-II | 1 for each engine. 2 |
| Electric motors or generators of open type | C-II | 1 for each 2 motors or generators. 3 |
| 1 Not required where a fixed carbon dioxide system is installed. | ||
| 2 When installation is on weather deck or open to atmosphere at all times 1 B-II for each three engines is allowable. | ||
| 3 Small electrical appliances, such as fans, etc., shall not be counted or used as basis for determining number of extinguishers required. | ||