MIL-HDBK-1027/1B
Table 2 (Continued)
21C12 and 21C12A Structures
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AGENT USAGE
________________________________________________________________
WATER
NO. OF
NO. OF
FIRES/
HOSES/
WATER
WATER TIME/
WATER/4 HOUR
CLASS
FIRE
L/s
FIRE min
CLASS L
36
2
13
6
27 288
EXTINGUISHERS
NO. OF
PKP
PKP
AFFF
AFFF
CO2
CO2
FIRES/
BOTTLES/
L/CLASS
BOTTLES/
L/CLASS
BOTTLES/ kg/
CLASS
CLASS
CLASS
CLASS
CLASS
25
12
98
25
98
25
170
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Notes:
1.
Water is used at the design rate during an 0010
course fire.
2.
Extinguisher sizes are 8.2 kg, 9.5 L, 6.8 kg for
PKP, AFFF, and CO2 respectively.
3.
AFFF indicated is based on 56.6 g of 40 percent
concentrate in 9.5 L of water.
4.
Extinguishers are used at the design rate during an
0011 course fire.
5.
PKP extinguishers will use 40 CO2 charges per class.
6.
Though water is used for firefighting, extinguishers
are the primary method for fighting fires on
submarines.
72
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