Alert 08 – 35 Crane Failure Results in Dropped Load
WHAT HAPPENED:
During rig up operations a crane upper assembly failed. While lifting the draw-works platform (25-ton) by means of 2 cranes, to install the bracket support, one of the cranes gave away and the load was dropped. Upon investigation of the failed crane, it appeared that the bolts holding the upper structure (operator’s cabin and the telescopic section) sheared which caused the boom to drop with the load hitting the drawworks brake cover.