OSHA Accident Investigation · Summary #14482368
OVERHEAD POWER LINE,ELECTRICAL,ELECTROCUTED,E PTD,ELEC UTILITY WORK,ELECTRIC SHOCK
Event description
ELECTRIC SHOCK - CONTACT THRU OVERHEAD LINE THRU CONDUCTOR
Investigation abstract
FOUR EMPLOYEES WERE WORKING IN THE VICINITY OF A REEL TENSIONER TRAILER THAT WAS MPED INTO CONTACT WITH THE EXISTING LINE. THIS ENERGIZED THE REEL TENSIONER TRUC K WHILE TWO OF THE EMPLOYEES WERE IN CONTACT WITH IT. ONE OF THEM WAS ELECTROCUT ED; THE OTHER RECEIVED AN ELECTRIC SHOCK FOR WHICH HE WAS HOSPITALIZED. MAINTAINING TENSION ON A 795 MCM CONDUCTOR BEING INSTALLED BENEATH AN EXISTING 12-KILOVOLT OVERHEAD POWER LINE. THE NEW LINE WAS PULLED THROUGH NUMEROUS BLOCKS THAT WERE MOUNTED ON HORIZONTAL WOODEN BRACES LOCATED 5 FEET BELOW THE EXISTING ENERGIZED LINE. THE CONDUCTOR BEING STRUNG WAS ATTACHED BY MEANS OF A ROPE TO A PENGO PULLER (DRUM ASSEMBLY) MOUNTED ON A TRUCK POSITIONED 2400 FEET AWAY FROM THE TENSIONER WORK AREA. SHORTLY AFTER A SECOND REEL OF 795 CONDUCTOR WAS SPLICE D IN, THE PULLING OPERATION WAS RESTARTED. THE CONDUCTOR ON THE SUPPLY REEL DEVE LOPED SLACK AND APPEARED TO BACKLASH. AS A RESULT, THE CONDUCTOR BEING STRUNG JU
Victims (2)
-
#1 Fatality Age 30 M
- Nature of injury
- 10
- Part of body
- 19
- Event type
- 13
- Source
- 27
- Occupation code
- 999
- Human factor
- 20
- Environmental factor
- 8
- Task assigned
- 1
-
#2 Hospitalized Age 29 M
- Nature of injury
- 10
- Part of body
- 11
- Event type
- 13
- Source
- 27
- Occupation code
- 999
- Human factor
- 20
- Environmental factor
- 8
- 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.