Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 118

4. Detailed Requirements
a. Construction. Fittings and connections shall be of sufficient strength
to withstand 300 psi (21 kg/cm2) of water pressure when ready for
service. All dry standpipes shall be tested hydrostatically to
withstand not less than 50 psi (3.5 kg/cm2) above the maximum
working pressure.
b. Piping. All horizontal runs of dry standpipes systems shall have a
twenty (20%) percent slope for the purpose of draining. Where pipe
traps occur in such standpipes systems including fire service
connections, they shall be provided with drains. Pipings shall not
pass through hazardous areas and shall be located so that it is
protected from mechanical and fire damage.
c. Size. The size of the standpipe shall have a diameter of at least 102
mm (4 in.) in buildings in which the highest outlet is twenty three
(23) meters or less above the fire service connections and shall not
be less than 153 mm (6 in.) where the highest outlet is higher than
twenty three meters (23 m) above the fire service connection.
d. Fire Service Connections. Fire service connections shall be in the
street side of the buildings, fully visible and recognizable from the
street or nearest point of fire apparatus accessibility. And shall be
located and arranged so that hose lines can be attached to the
inlets without interference from nearby objects, including buildings,
fences, posts, or other fire service connections.
All one hundred two millimeters (102 mm) dry standpipes shall
be equipped with a four-way fire service connection. All fire
service connections shall be located on a street front, not less
than forty six centimeters (46cm) or more than one hundred
twenty two centimeters (122cm) above grade and shall be
equipped with an approved straight way check valve and
substantial plugs or caps. All fire service connections shall be
protected against mechanical injury and shall be visible and
accessible. More than on fire service connection may be
required.
e. Valves. Connections other than for fire service use shall be
provided with an approved indicating-type valve and check valve
located close to the supply such as tanks, pumps, and connections
from waterworks system. Valves shall be provided to allow isolation
of a standpipe without interrupting the supply to other standpipes
from the same source of supply.
f.
Outlets. Each standpipe shall be equipped with an approved sixty
four millimeters (64 mm) outlet not less than sixty one centimeters
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