Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 142

5. Proscenium wall – is a fire resistive wall which separates a stage or enclosed platform from the public or spectators' area of an auditorium or theater. B. Every stage equipped with fly galleries, gridirons, and rigging for movable theater-type scenery, and every enclosed platform larger than forty six and a half square meters (46.5 m 2 ) in area shall be protected with the automatic fire suppression system at the ceiling, under the gridiron, in usable spaces under the stage or platform and in auxiliary spaces and dressing rooms, storerooms, and workshops. When opening are provided in the stage floor for stage lifts, trap doors or stairs, automatic fire suppression system shall be provided around the opening at the ceiling below the stage, and baffles at least thirty (30) centimeters in depth shall be installed around the perimeter of the opening. C. Every stage and every enclosed platform larger than forty six and a half square meters (46.5 m 2 ) shall have ventilators in or above it, operable from the stage floor by hand and also opening by fusible links or other approved automatic heat actuated device, or heat and smoke actuated device, to give a free opening equal to at least five (5) percent of the area floor of the stage or enclosed platform. Where mechanical ventilation is provided it shall be so arranged that natural ventilation, at least equal to the above, will be available. Make up air for mechanical ventilation shall not be obtained from the audience (seating) areas. D. The proscenium opening of every stage shall be provided with a fire resistant curtain constructed and mounted so as to intercept hot gases, flames, and smoke, and to prevent glow from a severe fire on the stage showing on the auditorium side within a five (5) minute period. The curtain shall be automatic closing without the use of applied power. E. Every stage shall be provided with a fire control station located on or adjoining the stage. The fire control station shall have the following: 1. Lights to indicate the operations of all emergency lights and power circuits. 2. Manual operating devices to actuate automatic spray heads at proscenium, proscenium curtain, and smoke vents. 3. Indicator light to show that the automatic fire suppression system is operating, or sprinkler system valves are open and system is charged with water under pressure. 4. A public address system energized from normal and emergency light and power sources. 126