Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 100

b. Where ladders provide access to roofs or elevated platforms, rails
shall extend not less than one hundred fourteen centimeters (114
cm) above roofline or platform floor or above coping or parapet,
Extension of side rails to roof shall be carried over coping or
parapet to afford hand hold.
c. Ladders shall be arranged parallel to buildings or structures with
travel either between ladder and buildings, in which case
minimum clearance center of rungs and buildings shall be sixty
eight centimeters (68 cm), or outside of ladder, in which case
minimum clearance between center of rungs and buildings shall
be sixteen centimeters (16 cm).
d. Ladders shall be vertical or positively inclined. No negatively
inclined ladders (i.e., ladder sloping out over the head of a person
using it) shall be permitted.
3. Construction
a. Ladders shall be constructed of iron, of steel or of other metal in
design having equivalent strength and resistance to corrosion.
b. Rails of iron or steel ladders shall not less than one and one-fourth
centimeters (1.25 cm) by five centimeters (5 cm) in section, not less
than forty centimeters (40 cm) apart.
c. Rungs shall not less than twenty two millimeters (22 mm) diameter
and shall be riveted or welded in position not less than twenty five
centimeters (25 cm) nor more than thirty and one-half centimeters
(30.5 cm) on center.
d. The lowest rung of any ladder shall be not more than thirty and
one half centimeters (30.5 cm) above the level of the ground or
balcony floor beneath it.
C. Slide Escape
1. Use and Capacity Rating
a. A slide escape may be used as component in means of egress
where specifically authorized by Divisions 8 through 17 of this
Chapter.
b. Slide escapes, where permitted as required exits, shall be rated at
one exit unit per slide, with rated travel capacity of 60 persons per
minute.
c. Slide escapes, except as permitted for high hazard manufacturing
buildings or structures, shall not constitute more than twenty five
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