Scaffold components manufactured by different manufacturers are not allowed to be modified to make them fit together, unless a competent person determines that the resulting scaffold is structurally sound.Scaffold components manufactured by different manufacturers must not be intermixed, unless they fit together without being forced, and the scaffold's structural integrity is maintained.Scaffold with Improvised Components Fails Worker Dies How can you tell if these components possess sufficient structural integrity? This is the same jury-rigged scaffold as in Figure 4. Scaffolds shall be altered only under the supervision and direction of a competent person.No more than three employees should occupy suspension scaffolds designed for a working load of 750 pounds (non-mandatory).No more than two employees should occupy suspension scaffolds designed for a working load of 500 pounds (non-mandatory).Be secured against movement by tiebacks installed at right angles to the face of the building or structure ( 5 & 6), or by opposing angle tiebacks installed and secured to a structurally sound point of anchorage (structurally sound points of anchorage include structural members, but not vents, electrical conduit, or standpipes and other piping systems).Or 1½ times the stall capacity of the hoist.Rest on surfaces capable of supporting at least 4 times the load imposed on them by the scaffold operating at the greater of either :.All suspension scaffold support devices, such as outrigger beams, cornice hooks, and parapet clamps, must:. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |