Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 149

B. Each projection room shall be at least one out-swinging, self-closing door
not less than seventy six centimeters (76 cm) wide by two meters (2 m)
high.
C. The aggregate of ports and openings for projection equipment shall not
exceed twenty-five percent (25%) of the area of the wall between the
projection room and the auditorium. All opening shall be provided with
glass or other approved materials, so as to completely close the opening.
D. Projection booth room ventilation shall be not less than the following:
1. Supply Air
Each projection room shall be provided with two or more separate
fresh air inlet ducts with screened openings terminating within thirty
centimeters (30 cm) of the floor, and located at opposite ends of the
room. Such air inlets shall be of sufficient size to permit an air change
every three minutes. Fresh air may be supplied from the general
building air conditioning system, providing it is so arranged that the
projection booth will continue to receive one change of air every
three (3) minutes, when no other air is supplied by the general air
conditioning system.
2. Exhaust Air
Each projection room shall be provided with one or more exhaust air
outlets which may be manifold into a single duct outside the booth.
Such outlets shall be so located as to ensure circulation throughout the
room. Projection room exhaust air system shall be independent of any
other air systems in the buildings. Exhaust air ducts shall terminate at
the exterior of the building in such a location that the exhaust system
shall be mechanically operated and of such a capacity as to provide
a minimum of one change of air every three minutes. The blower
motor shall be outside the duct system. The projection room ventilation
system may also appurtenant rooms, such as the generator room and
the rewind room.
E. Each projection machine shall be provided with an exhaust duct which
will draw air from each lamp and exhaust it directly to the outside of the
building in such a fashion that it will not be picked up by supply inlets.
Such a duct shall be of rigid materials, except for a continuous flexible
connector approved for the purpose. The lamp exhaust systems shall not
be interconnected with any other system.
1. Electric Arc Projection Equipment
The exhaust capacity shall be five and two-thirds cubic meters (5.66
m 3 ) per minute for each lamp connected to the lamp exhaust system
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