OSHA Accident Investigation · Summary #14198691
OVERHEAD POWER LINE,ELECTRICAL,BOOM,CRANE BOOM,TRUCK CRANE,WORK RULES,CRANE,INATTENTION
Event description
CRANE BOOM CONTACTED OVERHEAD ENERGIZED ELECTRICAL LINES
Investigation abstract
A HYDRAULIC TRUCK CRANE (GROVE 65 TON, MODEL TMS 650) WAS USED AT THE JOB SITE T THE TRUCK'S TIRES BLEW OUT. TWO OTHER TIRES WENT FLAT SHORTLY THEREAFTER. THE O PERATOR STAYED IN THE TRUCK AND BACKED CLEAR OF THE LINE. THE CRANE OPERATOR STA TED THAT HE REALIZED A MINUMUM CLEARANCE OF 10 FEET SHOULD BE MAINTAINED, BUT IN SISTED THAT HE NEVER SAW THE OVERHEAD LINES. O INSTALL A SILO AND ELEVATOR SYSTEM. THE SILO WAS INSTALLED SUCESSFULLY. THE OP ERATOR THEN ATTEMPTED TO PICK THE ELEVATOR FROM THE SAME LOCATION. WHEN HE REALI ZED THAT HE WOULD BE UNABLE TO MAKE THE PICK FROM THIS LOCATION, THE CRANE OPERA TOR LEFT THE CRANE CAB (THE BOOM WAS LEFT ELEVATED AT ABOUT 70 DEGREES) AND ENTE RED THE TRUCK'S CAB. HE STARTED TO MOVE FORWARD TO GET THE CRANE INTO A BETTER P OSITION TO MAKE THE PICK. THE BOOM, WHICH WAS ELEVATED TO A HEIGHT OF ABOUT 37 F EET, CONTACTED OVERHEAD POWER LINES. THE 12 KV LINES WERE GROUNDED THROUGH THE T RUCK TO GROUND. ALTHOUGH NO ONE WAS INJURED, THE LINE WAS BURNED OUT AND FOUR OF
Victim
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#981 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
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