OSHA Accident Investigation · Summary #14481568
OVERHEAD POWER LINE,ELECTRICAL,E C,TRUCK CRANE,ELECTROCUTED,LOAD LINE,CRANE
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU LOAD LINE
Investigation abstract
A CONCRETE BUCKET SUSPENDED FROM A TRUCK CRANE WAS BEING USED TO POUR CONCRETE F OUND. THE CONTRACTOR DID NOT AWAIT THE PLYWOOD'S ARRIVAL. INSTEAD, HE CHOSE TO D RAG THE BUCKET TO A DRY AREA. IN DOING SO, HE PULLED THE CRANE'S LOAD LINE INTO (OR AT LEAST TOO CLOSE TO) THE OVERHEAD POWER LINE. THE CONTRACTOR WAS ELECTROCU TED. OR A BREEZEWAY UNDER CONSTRUCTION. THE CRANE (A NATIONAL FOLDING TELESCOPIC BOOM STRUCTURE, MODEL 6T14H SERIES #6, SERIAL NUMBER 11660) WAS MOUNTED ON AN INTERN ATIONAL TRUCK BODY (SERIAL NUMBER E2327JGA). AFTER THE POUR WAS COMPLETED, THE S OLE PROPRIETOR OF THE CONCRETE CONTRACTING COMPANY PERFORMING THE WORK WASHED OU T THE CONCRETE BUCKET. THE CRANE OPERATOR ASKED SOMEONE TO GET A PIECE OF PLYWOO D ON WHICH THE BUCKET COULD BE PLACED. AT THIS TIME THE 55-FOOT-LONG BOOM WAS AT A 62-DEGREE BOOM ANGLE AND AT A 28-FOOT WORKING RADIUS. THE BOOM WAS ALSO 10 FE ET, 4 INCHES FROM A 7200-VOLT OVERHEAD POWER LINE LOCATED 32.5 FEET ABOVE THE GR
Victims (2)
-
#1 Fatality Age 39 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 27
- Occupation code
- 4
- Human factor
- 1
- Environmental factor
- 8
- Task assigned
- 1
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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
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.