OSHA Accident Investigation · Summary #14203988
TIMBERS TRUCKING INC
MCKENZIE BRIDGE, OR·
Event description
STRUCK BY WHIPPING WIRE ROPE
Investigation abstract
THE EMPLOYEES WERE MAKING A "LAY-OUT", OR POSITIONING THE CABLES OF THE HIGH LEA WAS STANDING 12 TO 15 FEET AWAY. AT THE TIME OF THE ACCIDENT THE FAIRLEAD, WHIC H IS NORMALLY ATTACHED TO THE YARDER BY FOUR 5/8 INCH BOLTS, WAS ATTACHED ONLY B Y TWO 5/8 INCH BOLTS. THE WORKERS WHO HAD INSTALLED THE FAIRLEAD ON THE YARDER T HE PREVIOUS DAY HAD BEEN UNABLE TO FIND ALL FOUR BOLTS. THEY PLANNED ON INSTALLI NG THE OTHER TWO AT A LATER TIME. D LOGGING SYSTEM TO YARD LOGS TO THE LANDING. A 7/16 INCH "HAY-WIRE" CABLE WAS B EING USED TO PULL THE LARGER HAULBACK CABLE AROUND THE LAY-OUT. THE HAY-WIRE WAS STRUNG FROM THE HAY-WIRE DRUM, MOUNTED ON THE SIDE OF THE SKOOKUM PORTABLE META L SPAR/YARDER, THROUGH A FAIRLAND PULLEY, MOUNTED ON THE FRONT LEFT CORNER OF TH E HAUL-BACK. (THE HAUL-BACK IS LOCATED APPROXIMATELY 500 FEET FROM THE LANDING.) TENSION ON THE HAY-WIRE WAS VERY HIGH BECAUSE THE HAUL-BACK CABLE WAS FROZEN TO THE GROUND. AS TENSION WAS PUT ON THE HAY-WIRE, THE FAIRLEAD BROKE OFF THE YARD ER. THE FAIRLEAD AND HAY-WIRE FLEW VIOLENTLY SIDEWAYS, STRIKING EMPLOYEE #1, WHO
Victim
-
#1 Fatality Age 27 M
- Nature of injury
- 12
- Part of body
- 20
- Event type
- 1
- Source
- 26
- Occupation code
- 496
- Human factor
- 12
- Environmental factor
- 5
- Task assigned
- 2
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.