All rigging components to be used in the shop and on the project must be accompanied by a current inspection and/or load test document before being approved for use. Testing and recertification should be done yearly. All wire rope chokers and nylon or other slings should be load-tested and documented.
Contractors and their subcontractors must ensure that all rigging equipment is visually inspected prior to use on each shift. During quarterly inspections or pre-use inspections, any rigging device not safe or showing signs of wear or defect must be immediately removed from the site. Contractors and their subcontractors must only use competent personnel for rigging operations.
Signalmen must wear a high visibility vest and gauntlet.
Rigging includes but is not limited to; wire rope, chain, polyester, Kevlar and nylon slings as well as come-alongs, chain falls, shackles, hooks, spreader bars and other load bearing hoisting equipment and related attachments. Components of cranes and hoists are not addressed in this Safety Flash.
The safe working loads of rigging shall be based on a 5 to 1 safety factor. Any rigging components used for hoisting personnel shall be based on a 10 to 1 safety factor. Working loads on rigging shall not exceed the safe limits established by the manufacturer. Any rigging fabricated by an employer such as spreader bars, links, lifting beams must be designed and certified by a professional engineer.
Share This Article
Subscribe to our RSS Feed. What is RSS?