Use this chart to determine the size and quantity required for your vessel.
| Fire Extinguisher
Requirements |
Classification
(type & size) |
Foam
(minimum gallons) |
Carbon Dioxide
(minimum pounds) |
Dry Chemical
(minimum pounds) |
| B-I |
1 ¼ |
4 |
2 |
| B-II |
2 ½ |
15 |
10 |
| Length of Vessel |
Without Fixed System |
With Fixed System* |
| Less than 26 ft. |
one B-I |
None |
| 26 ft. to less than 40 ft. |
two B-I or one
B-II |
one B-I |
| 40 ft. to less than 65 ft. |
three B-I or one
B-II and one B-I |
two B-I or one
B-II |
| * refers to a permanently installed
fire extinguisher system |