Occupational Safety and Health Administration OSHA

OSHA Occupational Safety and Health Administration
U.S. Department of Labor

Process: Rigging


Hazard: Shocks

Electrical shock is a serious risk for riggers in most shipyards. The following incident raises awareness of this.

Case History

Two riggers discovered that the initial path they planned to take was blocked by another crane. They selected another route that appeared to be clear. Their focus on ground obstacles prevented them from noticing low-hanging electrical wires above. Crane contact with the wire resulted in the death of one of the riggers.

six graphics - Riggers and Shocks

Source: OSHA Video: Examining Fatal Shipyard Accidents

Analysis and Preventive Measures

The cause of the accident was a rigging failure; the line was improperly attached to the hook. However this accident became a fatality because the rigger was not tied off properly. Fall protection would have prevented his death.

  • Lack of training and hazard recognition. < - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  • Loads carried higher than necessary.
  • Lack of new hazard assessment when the first route was rejected.
  • No designated person to select a safe traveling route.
Equipment should not be operated within 10 feet of an energized power line.
Training is the key to safe rigging. The safety of many shipyard trades depends on rigging safety skills.


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