TM 5-852-5/AFR 88-19, Volume 5
buildings where sensitive electrical or mechanical
systems could be destroyed by water. Guidance and
Requirements for fire protection are covered in
criteria for systems of this type can be found in
MIL-HDBK-1008. Protection of Air Force installa-
DOD 4270.1. Foaming equipment will not function
tions should be in accordance with AFR 88-15.
at optimum levels below -15 degree F air tempera-
tures since aspiration of the foam is not complete.
Standard carbon dioxide fire extinguishers will also
Fire hydrants were discussed in chapter 6 paragraph
not function properly at below-freezing tem-
6-6a, and special features for cold regions use
peratures. Dry chemical extinguishers have been
shown in figures 6-9 and 6-10. Hydrants must be
used successfully and range in size from hand-held
accessible and operable at all times (regardless of
units to large dolly-mounted units containing about
frost depth, snow cover and temperature).
350 pounds of chemical.
10-3. Truck systems.
10-5. Alarm systems.
Motorized fire pumping apparatus with booster
Central alarm systems must be designed in accor-
tanks and hoses will normally be provided for pro-
dance with TM 5-813-3/AFM 88-10, Vol.3. In
tection of remote buildings not serviced by the
many cases it is advantageous to integrate the
water distribution system. Winter operation in the
systems with other utility system sensors for
Arctic will require tank trucks on standby in heated
protection of the water distribution network and
garages and a protected water point with a pumping
sewage transmission lines (see section 6 and 7). All
capability of at least 350 to 500 gallons per minute
of these signals can be transmitted to the fire
for refilling the tank trucks if hydrants are not
department and other central alarm centers where
appropriate action can be initiated.
10-4. Chemical and gas methods.
A halon gas system is recommended in high hazard