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ladders shall be provided to give access to all floor, stagings or platforms where
work is being done more than five storeys above ground or above a permanent or
Ladders required by this Rule shall be of substantial construction. They shall be
left in place until the permanent stairways are ready for use or until temporary
stairways are installed. Stairways shall be erected as soon as the building exceeds
18.00 meters in height. 4.6.2 Ladders, other than sectional or extension ladders, shall not be extended by
joining two or more together. No single ladder shall exceed 6.00 meters in length.
When greater heights are to be reached, intermediate platforms shall be erected.
Ladder landings shall be at least 1.20 meters square and equipped with handrails
and toe boards.
Ladder rungs shall be spaced uniformly and as near to 300 mm. as is practicable. 4.6.3 Ladders leading to floors, stagings or platforms shall extend at least 900 mm.
above the level of such floors, stagings or platforms. 4.6.4 When
temporarily in place of stairways or runways, ladders serving traffic in both
directions simulatneously shall be at least 1.00 meter wide. If separate ladders are
provided for going up and coming down, they shall be marked "UP" and
"DOWN" respectively at each floor and platform leve. 4.6.5 All ladders, when in sue, shall be set up in a manner to be secured and to prevent
slipping. Ladders, except stepladders or other self-supporting ladders, shall be securely
fastened to a permanent support at the top, and if necessary, at the bottom, and
braced to prevent swaying, bending or shaking.
4.6.6 Ladders shall not be placed or used in shafts of operative elevators or hoists
except by workers engaged in the erection, construction, alteration or repair of any
such shafts, hoistways or equipment. 4.6.7 Ladders shall not be painted, but may be oiled or treated with preservatives so as
to permit the detection of faults.
Every ladder shall be inspected by the superintendent or foreman in charge before
being put to use on a construction operation and thereafter at least once very 30
days while in continued use. Broken or weak ladders, or ladders with weak or
missing rungs, shall not be used or permitted to remain on the construction site;
but shall be repaired and makde safe or destroyed. 4.6.8 Permanent stairways shall be installed in all buildings under construction as soon
as conditions will permit.
When the work on a building has progressed to a height in excess of 18.00 meters
and it has not been practicable to install the permanent stairways, at least one
temporary stairway shall be provided for the full height and continued upward as
rapidly as the work progresses. 4.6.9 Stairs and stairways shall be of sufficient strength to support a load of at lest 490
kg./square meter. All stairways shall be guarded on all open sides with hand rails
and toe boards. 4.6.10 Temporary stairs shall be constructed so that rreads and risers a...
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This note was uploaded on 09/22/2013 for the course ARIDBE AR taught by Professor Any during the Fall '12 term at Mapúa Institute of Technology.
- Fall '12