OSHA Accident Investigation · Summary #14511109
OVERHEAD POWER LINE,ELECTRICAL,BOOM,POTENTIAL GRADIENT,ELECTROCUTED,E C
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU BOOM
Investigation abstract
TWO EMPLOYEES WERE USING A SMALL TRACK ROCK DRILL TO MAKE HOLES FOR BLASTING. ON E EMPLOYEE WAS DRIVING THE ROCK DRILL TO A DRILLING LOCATION, AND THE OTHER EMPL OYEE WAS WALKING NEXT TO THE DRILL WHEN ITS BOOM CONTACTED A 69-KILOVOLT OVERHEA D POWER LINE. THE DRIVER WAS ELECTROCUTED. THE OTHER EMPLOYEE ESCAPED TO GET HEL P. HE RETURNED WITH A FOREMAN AND FIRE EXTINGUISHERS. APPARENTLY, POTENTIAL GRAD IENTS IN THE EARTH ENERGIZED THE GROUND FOR A CONSIDERABLE DISTANCE FROM THE FAU LT LOCATION; AND, WHEN HE WAS APPROXIMATELY 25 FEET FROM THE ROCK DRILL, HE RECE IVED A FATAL ELECTRIC SHOCK. THE GROUND WAS VERY WET.
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
- 4
- Environmental factor
- 13
- Hazardous substance
- 8870
- Task assigned
- 1
-
#2 Fatality Age 21 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 999
- Human factor
- 4
- Environmental factor
- 13
- Hazardous substance
- 8870
- 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.