![]() The boom twisted, swinging down, under, and to the right. This placed a twisting force on the boom. Additionally, no one had determined the load radius.Īs the steel slab was being lifted it moved forward and to the right. The crane operator was not experienced with this type of crane and did not know the length of the boom. Crane Accident Case Study - Boom FailureĪ 20-ton steel slab was being unloaded from a low-boy trailer using a 50-ton crawler crane with a 90-foot lattice boom. We'll be focusing on the construction industry. But crane accidents continue to happen and there remain significant safety issues to be considered, both for the operators of the cranes and for those working near cranes.Ĭrane, derrick, and hoist safety hazards are addressed in separate OSHA standards for the general industry, marine terminals, longshoring, gear certification, and the construction industry. New approaches to crane training and extensive workplace precautions have helped improve safety. New technology continues to be developed that makes cranes safer. Moving large heavy loads is crucial to today's manufacturing and construction industries.
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