Building Code of the Philippines(1)

Building Code of the Philippines(1)

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Unformatted text preview: uired, 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 temporary floor. 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 used 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.

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