OSHA Accident Investigation · Summary #14449656
ARMSTRONG RIGGING AND ERECTING, INC.
ST. PAUL, MN·
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CRANE BOOM
Investigation abstract
A STRUCTURAL METAL WORKER WAS INSTALLING AN OUTRIGGER PAD ON A 35-TON CRANE THAT WAS TO BE USED TO UNLOAD A 65-FOOT-LONG STAINLESS STEEL TANK. WHILE THE METAL W ORKER WAS ADJUSTING THE PAD, THE CRANE OPERATOR RAISED THE BOOM SO THAT HE COULD SEE THROUGH THE BLOCKED SIDE OF HIS CAB AND LOCATE ANOTHER EMPLOYEE ADJUSTING T HE OUTRIGGER ON THE OTHER SIDE OF THE CRANE. THE BOOM CONTACTED AN 8000-VOLT OVE RHEAD POWER LINE. THE METAL WORKER RECEIVED A SEVERE ELECTRIC SHOCK, LOST CONSCI OUSNESS, AND DIED 1 HOUR LATER. THE EMPLOYEE IN CONTACT WITH THE OTHER PAD ONLY FELT A TINGLE--HE WAS WEARING RUBBER OVERSHOES.
Victim
-
#1 Fatality Age 39 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 7
- Source
- 15
- Occupation code
- 597
- Human factor
- 1
- Environmental factor
- 8
- 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.