OSHA Accident Investigation · Summary #14431662
MONTANA READY MIX
BOZEMAN, MT·
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU LOAD LINE
Investigation abstract
A GROUP OF EMPLOYEES WAS REMOVING A LOAD OF PIPE THAT HAD SPILLED WHEN A TRUCK L EFT A HIGHWAY AND OVERTURNED. THE PIPE WAS 6-INCH-DIAMETER WELL CASING IN 40-FOO T LENGTHS. THE CRANE BEING USED TO MOVE THE PIPE WAS SET UP ON THE EAST HALF OF THE HIGHWAY. THE HEIGHT OF THE BOOM ON THE CRANE WAS ABOUT 55 FEET. AS THE CRANE WAS BEING OPERATED, IT GOT TOO CLOSE TO A 7200-VOLT OVERHEAD POWER LINE, AND CU RRENT ARCED OVER TO THE LOAD LINE. AN EMPLOYEE WHO WAS HELPING IN THE REMOVAL OP ERATION WAS ELECTROCUTED. THE CRANE OPERATOR REPORTED THAT HE FELT AN ELECTRIC S HOCK, BUT HE WAS NOT INJURED OTHERWISE.
Victims (2)
-
#1 Fatality Age 28 Male
- Nature of injury
- Electric Shock (10)
- Part of body
- BODYSYSTEM (4)
- Accident type
- SHOCK (13)
- Source of injury
- ELEC APPARAT/WIRING (15)
- Occupation
- Occupation not reported (999)
- Human factor
- MATER-HANDLG PROCED. INAPPROPR (11)
- Environmental factor
- WORK-SURFACE/FACIL-LAYOUT COND (13)
- Task assigned
- Task not regularly assigned (2)
-
#2 Non-hospitalized injury Age 28 Male
- Nature of injury
- Electric Shock (10)
- Part of body
- FOOT/ANKLE (11)
- Accident type
- SHOCK (13)
- Source of injury
- ELEC APPARAT/WIRING (15)
- Occupation
- Crane and tower operators (849)
- Human factor
- POSITION INAPROPRIATE FOR TASK (10)
- Environmental factor
- MATERIALS HANDLG EQUIP./METHOD (8)
- Task assigned
- Task regularly assigned (1)
Labels are OSHA's own, from the code dictionary published with the accident-investigation file. The raw code is shown beside each one so this page can be reconciled against OSHA's bulk data. OSHA notes that nature of injury, part of body, source of injury and accident type in this file are not coded to the Occupational Injury and Illness Classification System, and that the occupation titles are not standardised — so these values are not directly comparable with the OIICS-coded severe injury reports.