OSHA Accident Investigation · Summary #743187
BOOM,WORK RULES,CONSTRUCTION,CRANE
Event description
None injured when crane's boom flips over backward
Investigation abstract
At approximately 8:30 a.m. on March 23, 1990, a crane operator was driving a Lin k Belt LS-118 crawler type lattice boom crane down a paved access road. The boom was at an approximately 50 degree to 65 degree angle when he turned his crane t o the right to go up an approximately 14 degree incline. As the crane was procee ding up the incline, its tracks came off the pavement and its rear sank into the soft ground. The counterweight hit the pavement and the crane's boom flipped ba ckward over the revolving superstructure, hitting a de-energized power line. It broke off the top of the pole and landed on the ground below the access road. No one was injured.
Victim
-
#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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