Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 85

iii. Areas filled wholly or partially by panels of solid wire mesh or ex-
panded metal construction or by ornamental grilles which
provide protection against falling through the guard equivalent
to that provided by the intermediate rails or vertical balusters
specified in the two preceding paragraphs.
iv. The lower part of the area may consist of a continuous
substantial curb, the top of which is parallel to the run of stairs of
level areas and the height of which is not less than seventy six
millimeters (76mm) on stairs (measured qt right angles to the
curb from its top to the nosing of the tread) and not less than
fifteen and one-fourth centimeters (15.25 cm) for level areas.
v. Masonry walls may be used for any portion of the guard.
vi. Any combination of the foregoing that provides equivalent
safety.
e. Enclosure walls and guards consisting of masonry, railings, or other
construction shall either be designed for toads transmitted by
attached handrails or shall be designed to resist a horizontal force
of seventy five kilograms (75 kg) per lineal meter applied at the top
of the guard, whichever condition produces maximum stress. For
walls or guards higher than the minimum height, the specified force
shall be applied at a height one hundred seven centimeters (107
cm) above the floor or tread.
f.
I.
Intermediate rails, balusters, and panel fillers shall be designed for a
uniform load of not less than one hundred twenty two kilograms
(122 kg) per square meter over the gross area of the guard
(including the area of any opening in the guard) of which they are
a part. Reactions due to this loading need not be added to the
loading specified by para H 5(c) of Guard Details in designing the
main supporting members of guards.
Smokeproof Enclosures
1. General
Where smokeproof enclosures are required in other sections of this
code, they shall comply with this Section, except for approved
existing smokeproof enclosures.
2. Performance Design
An appropriate design method shall be used to provide a system that
meets the definition of smokeproof enclosure. The smokeproof
enclosure shall be permitted to be created by using natural
ventilation, by using mechanical ventilation incorporating a vestibule,
or by pressurizing the stair enclosure.
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