OSHA Accident Investigation · Summary #14292155
OVERHEAD POWER LINE,ELECTRICAL,BOOM,ELECTROCUTED,E C,DRILL RIG--NON-OIL
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU DRILL BOOM
Investigation abstract
ON A RAINY DAY, AN EMPLOYEE WAS USING A TRACK DRILL WITH A 27-FOOT, 4-INCH BOOM TO DRILL ROCK ON A NEW ROADBED. A 19.9-KILOVOLT (34.5 KILOVOLTS, PHASE TO PHASE) OVERHEAD POWER LINE WAS LOCATED ABOVE THE EMPLOYEE AT A HEIGHT OF 29 FEET. THE EARTH AROUND THE TRACK DRILL WAS IRREGULAR AND ALLOWED THE BOOM OF THE DRILL TO VARY IN ELEVATION BY ABOUT 2 TO 3 FEET. THE EMPLOYEE, WHO WAS WORKING ALONE AT T HE TIME OF THE ACCIDENT, HAD BEEN WORKING FOR THE FIRM FOR ONLY 2 WEEKS. THE BOO M OF THE DRILL CONTACTED THE OVERHEAD LINE, AND THE EMPLOYEE WAS ELECTROCUTED.
Victim
-
#1 Fatality Age 49 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- 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.