OSHA Accident Investigation · Summary #14337331
OVERHEAD POWER LINE,ELECTRICAL,BOOM,ELECTROCUTED,E C,DRILL RIG--NON-OIL
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CRANE BOOM
Investigation abstract
TWO EMPLOYEES, A DRILLER FOREMAN (EMPLOYEE #2) AND A DRILLER'S HELPER (EMPLOYEE D NOT DISCUSSED WITH THE DRILLER WHY HE WAS SETTING UP HIS RIG UNDER THE POWER L INE. THE COMPANY DID NOT HAVE A WRITTEN SAFETY PROGRAM OR A SAFETY OFFICER. THE COMPANY HAD ADOPTED THE NATIONAL DRILLING FEDERATION'S DRILLING SAFETY GUIDELINE S. #1), WERE BORING SAMPLES ALONG A HIGHWAY. THE DRILL RIG THEY WERE USING, A 1987 FORD F700 WITH A DRILLING APPARATUS ATTACHED, HAD BEEN PARKED OVERNIGHT NEAR THE WORKSITE. WHEN THEY ARRIVED AT THE SITE, THE EMPLOYEES BACKED THE RIG INTO POSI TION AT A 45 DEGREE ANGLE TO THE ROAD. THE OUTRIGGERS WERE LOWERED, AND SOME OF THE DRILLS WERE UNLOADED AND PLACED ON THE GROUND AT THE LEFT REAR OF THE TRUCK. THE DRILLER RAISED THE MAST OF THE RIG INTO A 7200-VOLT OVERHEAD POWER LINE. BO TH EMPLOYEES WERE ELECTROCUTED. THE TOP OF THE MAST WAS 25 FEET FROM THE GROUND AT THE TIME OF THE ACCIDENT. THE OTHER DRILLER FOREMAN WHO WAS AT THE JOBSITE HA
Victims (2)
-
#1 Fatality Age 21 M
- Nature of injury
- 10
- Part of body
- 31
- Event type
- 14
- Source
- 15
- Occupation code
- 598
- Human factor
- 1
- Environmental factor
- 18
- Task assigned
- 1
-
#2 Fatality Age 28 M
- Nature of injury
- 10
- Part of body
- 31
- Event type
- 14
- Source
- 15
- Occupation code
- 598
- Human factor
- 1
- Environmental factor
- 18
- 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.