Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 121

under the bottom of an adjacent construction. Approved pressure
gauges shall be provided at pressure tanks and t the fire pump.
f.
Fire Pumps. Fire pumps shall be approved and shall deliver not
less than the required fire flow and pressure. Such pumps shall be
supplied with adequate power source and shall be automatic in
operation. Where the wet standpipe system is supplied with water
from the domestic supply of building, approved fire pumps shall not
be required provided the domestic pump used delivers the
required fire flow.
g. Hose and Hose Reels. Each wet standpipe outlet shall be supplied
with a hose not less than thirty eight millimeters (38 mm) in
diameter. Such hose shall be equipped with an approved variable
for nozzle. An approved hose reel rack or cabinet shall be provided
and shall be located so as to make the hose accessible. The hose
reel rack or cabinet shall be recessed in the wall or protected by
suitable cabinet.
h. Connection to Fire-Sprinkler System. Wet standpipe system may be
supplied from a sprinkler system only when a compliance with NFPA
13, Standard for the Installation of Sprinkler System.
i. Signs. Signs shall be provided. If automatic sprinklers are also
supplied by the fire service connection, the sign or combination of
signs shall indicate both designated services. The sign shall read
“STANDPIPE AND AUTOSPKR” or “AUTOSPKR AND STANDPIPE”.
j. Pressure Reduction. Where the static pressure at any standpipe
outlet exceeds seven (7) kilos per square-centimeter, an approved
pressure reduction device shall be permanently installed at the
outlet to reduce the water flow so that the nozzle pressure does not
exceed five and six tenths (5.6) kilos per square centimeter in
accordance with Table 7.
Table 7: STANDPIPE PRESSURE AT HOUSE
OUTLET AND SIZE OF ORIFICE
Standpipe Pressure
at House Outlet
(Kilograms per
square centimeter)
7.75
8.45
9.15
9.86
10.6
11.27
105
Size of Orifice
(millimeter)
27.0
23.0
23.8
19.1
18.3
17.5