OSHA Accident Investigation · Summary #14455349
BURN,CLOTHING,DERRICK,OVERHEAD POWER LINE,ELECTRICAL,ELECTROCUTED,E GI IA,DRILL RIG--NON-OIL
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU DERRICK
Investigation abstract
A TRUCK-MOUNTED CORE DRILLING RIG HAD BEEN POSITIONED TO DRILL IN A LOCATION DES IGNATED BY EMPLOYEES OF A CONSULTING COMPANY. IN THIS PARTICULAR CASE, THE EQUIP MENT HAD BEEN SO LOCATED THAT, WHEN THE DERRICK WAS RAISED BY AN EMPLOYEE, THE D ERRICK CONTACTED A 7200-VOLT OVERHEAD POWER LINE. THE EMPLOYEE WAS STANDING ON T HE GROUND AND WAS GRASPING THE METAL LEVER RAISING THE DERRICK. CURRENT WAS COND UCTED TO GROUND THROUGH THE EMPLOYEE, AND HE WAS ELECTROCUTED. A SECOND EMPLOYEE WAS IN THE TRUCK CAB AND STARTED THE ENGINE. WHEN CONTACT WAS MADE WITH THE POW ER LINE, THE CURRENT SET THE FIRST EMPLOYEE'S CLOTHING ON FIRE. THE SECOND EMPLO YEE SUFFERED MINOR BURNS WHILE ATTEMPTING TO TEAR THE BURNING CLOTHING FROM HIM.
Victims (2)
-
#1 Fatality Age 24 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 6
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 21 M
- Nature of injury
- 5
- Part of body
- 12
- Event type
- 10
- Source
- 16
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 11
- 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.