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

Process: Rigging

 

Hazard: Traumatic/Acute Injury

Case History

worker tack welding

A worker was tack welding shell plating on a unit while a crane was moving other steel plates close by. While bringing the hook back for another load, the crane operator failed to clear the shell plate that was just erected and which the welder had just tacked. The steel plate broke loose and fatally crushed the welder.

four graphcis - steel plate broke loose and fatally crushed the welder

Source: OSHA Video: Examining Fatal Shipyard Accidents

Analysis and Preventive Measures

Communication between a rigger and a crane operator is critical to the safety of all shipyard workers. Riggers and crane operators need to understand how their operations may have safety consequences for everyone in the area.

Never swing loads over personnel working.

Crane operators should assess and recognize potential hazards before starting work.

Unused slings and lines should be secured prior to moving the load.

Crane operators should keep visual contact with nearby workers
Pre-plan work and pre-position material

C-17

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