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 8.4 Foam Systems
For Haz/Flam Facilities: HDBK 1008A, NFPA 30, NFGS-15356
For Aircraft Hangars: HDBK 1008A, NFPA 409, NFGS-15356
For Storage Tanks: HDBK 1008A, NFPA 11, NFGS-15357
For Storage Tanks:
a
Determine application rate.
NFPA 11, Ch. 3
b
Determine foam duration time.
NFPA 1 , Ch. 3
Determine No. of supplemental hose streams
NFPA 11, Ch. 3
Calculate required foam quantity
NFPA 11, Ch. 3
Determine number of foam makers
NEPA 11, Ch. 3
For Aircraft Hangars:
a.
For Navy projects, use overhead deluge systems
and underwing monitors.
b.
For Air Force projects, follow AFM 88-15.
9.
STANDPIPES
a
Provide la every stair tower of buildings
H2BK-1008A, Sec. 6.4
over 3 stories, interconnected to Fire
Department connection.
b
Is the standpipe dry or wet? (Is it subject
to freezing?)
C
Are the Fire Department connection( )
accessible?
HDBK-1008A, Sec. 6.4
2-l/2" valved outlets without hose shall be
d
provided at every floor. Are pressure re-
NFPA 14
ducers required at lower floors?
e
NFPA 14, Ch. 2
Size the standpipe adequately.
10
Attachment 21A
21 of 22
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