Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 105

c. The entire area, including all communicating floor levels, is
sufficiently open and unobstructed so that it may be assumed that
a fire or other dangerous condition in any part will be immediately
obvious to the occupants of all communicating levels and areas;
d. Exit capacity is sufficient to provide simultaneously for all
occupants of all communicating levels and areas, all
communicating levels in the same fire area being considered as a
single floor area for purposes of determination of required exit
capacity;
e. Each floor level, considered separately, has at least one-half of its
individual required exit capacity provided by an exit or exits
leading directly out of that area without traversing another
communicating floor level or being exposed to the spread of fire
or smoke therefrom; and
f.
All requirements of this Chapter with respect to interior finish,
protection of hazards, construction and other features are fully
observed, without waivers, except openings in floors of
educational, healthcare, and detention and correctional
occupancies shall be enclosed as required in Divisions 9, 10 and 11
of this Chapter, respectively.
3. Each floor opening, as specified in paragraph A (1) of this Section shall
be enclosed by substantial walls having fire resistance not less than
that required for stairways, paragraph A (4) hereof, with approved fire
doors at windows provided in openings therein, all so designed and in-
stalled as to provide complete barrier to the spread of fire or smoke
through such openings.
4. The enclosing walls of floor openings serving stairways or ramps shall be
so arranged as to provide a continuous path of escape including
landings and passageways, in accordance with Section 10.2.5.4 of this
IRR providing protection for person using the stairway or ramp against
fire or smoke therefrom in other parts of the building. Such walls shall
have fire resistance rating as follows:
a. New buildings four storeys or more in height - two (2) hours fire
resistance rating.
b. New buildings below four storeys - One (1) hour fire resistance
rating.
B. Special Provisions for Escalator Openings
Any escalator shall have its floor opening enclosed or protected as
required for other vertical openings, except in building completely
protected by approved, supervised sprinkler system in accordance with
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