(2) Design drawings for a scaffold shall set out erection instructions and the rated loads for the scaffold. (b) ten metres in height above its base support if the scaffold is constructed of a tube and clamp system. (a) fifteen metres in height above its base support or (1) A scaffold shall be designed by a professional engineer and shall be erected in accordance with the design if the scaffold exceeds, (b) 16.7 kilonewtons for walk-through frames.ġ30. (a) twenty-two kilonewtons for standard frames and (4) If tubular metal frames are used to support masonry units on a scaffold platform, each frame leg shall have a minimum working load of, (3) A scaffold mounted on pneumatic tires shall not be supported by the pneumatic tires while the scaffold is being erected, used or dismantled. (2) A scaffold shall be constructed of suitable structural materials and, if lumber is used, it shall be construction grade or Number 1 Grade spruce. (g) shall be adequately secured at vertical intervals not exceeding three times the least lateral dimension of the scaffold, measured at the base, to prevent lateral movement. (f) shall have safety catches on all hooks and (e) shall have connecting devices between frames that provide positive engagement in tension and compression (d) shall have all fittings and gear, including base plates or wheels, installed in accordance with the manufacturer's instructions (c) shall have footings, sills or supports that are sound, rigid and capable of supporting at least two times the maximum load to which the scaffold may be subjected without settlement or deformation that may affect the stability of the scaffold (b) shall have horizontal members that are adequately secured to prevent lateral movement and that do not have splices between the points of support (a) shall have uprights braced diagonally in the horizontal and vertical planes to prevent lateral movement (3) No scaffold shall be loaded in excess of the load that it is designed and constructed to bear. (2) Despite clause (1)(a), a scaffold with structural components whose capacity can only be determined by testing shall be designed and constructed to support or resist three times the maximum load or force to which it is likely to be subjected without causing the failure of any component. (b) four times the maximum load or force to which it is likely to be subjected without overturning. (a) two times the maximum load or force to which it is likely to be subjected, without exceeding the allowable unit stresses for the materials of which it is made and (1) Every scaffold shall be designed and constructed to support or resist, (5) A competent person shall perform tests and observations necessary for the detection of hazardous conditions on a project.ġ26. (4) An inspection shall be made at least once a week or more frequently as the supervisor determines is necessary in order to ensure that the machinery and equipment referred to in subsection (3) do not endanger any worker. (3) A supervisor or a competent person appointed by the supervisor shall inspect all machinery and equipment, including fire extinguishing equipment, magazines, electrical installations, communication systems, sanitation and medical facilities, buildings and other structures, temporary supports and means of access and egress at the project to ensure that they do not endanger any worker. (2) The supervisor shall supervise the work at all times either personally or by having an assistant, who is a competent person, do so personally. (1) A constructor shall appoint a supervisor for every project at which five or more workers will work at the same time.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |