OSHA Accident Investigation · Summary #14305635
COUNTERBALANCE,CONSTRUCTION,EQUIPMENT FAILURE,CRUSHED,CRANE,OVERTURN
Event description
Employee killed when crushed by overturned crane
Investigation abstract
At approximately 8:20 a.m. on July 19, 1989, Employee #1 was working as the owne of the house lock caused the house to rotate. It takes 3 to 5 seconds to convert the controls from travel to swing, so the employee did not have time to convert and regain control of the house swing. r-operator of a 30 ton Bucyrus 30B crawler crane being used to drive metal pilin g for a salt water float. He had driven two pilings and was moving the crane up a 16 percent incline to position it for driving the next piling. The crane house started to rotate unexpectedly and Employee #1 was unable to control it because the swing and travel lever can perform only one function at a time. The house s wung 180 degrees, at which time the pile driving lead and hammer struck a buildi ng causing the crane to tip up on its track toes. Employee #1 panicked and jumpe d, but was crushed to death by the counterweight of the rotating house. Failure
Victim
-
#1 Fatality Age 21 M
- Nature of injury
- 1
- Part of body
- 16
- Event type
- 2
- Source
- 24
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 4
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.