Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 89

11. Door Closers
The activation of an automatic-closing device on any door in the
smokeproof enclosure shall activate all other automatic-closing
devices on doors in the smokeproof enclosure.
12. Emergency Power Supply System (EPSS)
EPSS for new mechanical ventilation equipment shall be provided in
accordance with NFPA 110, Standard for Emergency and Standby
Power Systems.
J. Monumental Stairs
Monumental stairs, either inside or outside, may be accepted as required
exits if all requirements for exit stairs are complied with, including required
enclosures and minimum width of treads, except that curved stairs may
be accepted with a radius of seven and one-half meters (7.5 m) or more
at the inner edges.
SECTION 10.2.5.5
OUTSIDE STAIRS
A. General
Any permanently installed stair outside of the building being served is
acceptable as a means of egress under the same condition.
B. Enclosures
1. Under all conditions where enclosure of inside stairways is required,
outside stairs shall be separated from the interior of the buildings with
walls having the same fire-resistance rating as that required for the wall
enclosing inside stairs. Any opening in such wall shall be protected by
fire doors or fixed wired glass windows.
2. Wall construction required by para “B” (1) of this Section shall extend
as follows:
a. Either vertically from the ground to a point 3,050 mm above the
topmost landing of the stairs or to the roofline, whichever is lower.
b. Horizontally for not less than 3050 mm.
SECTION 10.2.5.6
HORIZONTAL EXITS
A. Application
1. A horizontal exit is a way of passage from one building to an area of
refuge in another building on approximately the same level, or a way
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