Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 120

b. In theaters, auditoriums and other assembly occupancies where
the occupant load is more than one thousand (1,000), outlets shall
be located on each side of any stage, on each side of the rear of
the auditorium and on each side of the balcony.
4. Detailed Requirements
a. Construction. Wet standpipes shall be installed and tested as
required for the water distribution system within the building.
b. Size. The size of the standpipes shall not be less than 64 mm (2 ½ in.)
in diameter.
c. Outlets. All interior wet standpipes shall be equipped with thirty
eight millimeters (38 mm) valve in each storey, including the
basement or cell roof of the building and located not less than
ninety one centimeters (91cm) nor more than one hundred eighty
two centimeters (182 cm) above the floor.
d. Water Supply. The wet standpipe shall deliver not less than one
hundred thirty two liters (132 ℓ) of water per minute at not less than
one and eight-tenths (1.8) kilos per square centimeters residual
pressures from each of any two outlets flowing simultaneously for
thirty (30) minutes. When more than one interior wet standpipe is
required in the building, such standpipes may be connected at
their bases or highest points by pipes of equal size. Where
combination standpipes are installed, the thirty eight millimeters (38
mm) outlet system may be supplied from the combination system
with a fifty one millimeters (51 mm) connecting line.
e. Pressure and Gravity Tanks. Pressure or gravity tanks shall have a
capacity sufficient to furnish at least two hundred sixty five (265)
liters of water per minutes for thirty (30) minutes. Other such tanks
shall be located so as to provide not less than one and eight-tenths
(1.8) kilos per square centimeters residual pressure from each of
two (2) outlets flowing simultaneously for thirty (30) minutes.
Discharge pipes from pressure tanks shall extend five (5)
centimeters from and into the bottom of such tanks. All tanks shall
be equipped with a manhole, ladder and platform, drainpipe,
water pressure gauges, and a pressure relief valve. Each pressure
tanks shall be tested in place after installation and proved tight at
a hydrostatic pressure required, but not less than ten (10) kilogram
per square centimeters. Where such tanks are used also for
domestic purposes, the supply take off for such purposes shall be
located above the required capacity of such tanks. Supply tanks
shall be supported on non-combustible construction with not less
than ninety one (91) centimeters clearances over the top and
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