OSHA Accident Investigation · Summary #691253
ROCKY MOUNTAIN ENERGY
MAGNA, UT·
Event description
Employee's back fractured when struck by suspended load
Investigation abstract
Employee #1 and coworkers were replacing a worn mantle in a primary screen and c rushing unit for copper slag. Mild steel lifting eyes had been welded onto a new manganese mantle, which weighed approximately 1,700 lb. The employees used a wi re rope sling and a mobile crane to lift the mantle off the ground. Employee #1 went under the suspended mantle to clean the seal before installing it in the cr ushing unit. He had been under the mantle for approximately three minutes when t he weld on one of the lifting eyes failed, dropping the mantle onto him. Employe e #1 was hospitalized with a fractured back.
Victim
-
#1 Hospitalized Age 34 M
- Nature of injury
- 12
- Part of body
- 3
- Event type
- 1
- Source
- 24
- Occupation code
- 768
- Human factor
- 1
- Environmental factor
- 6
- Task assigned
- 1
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