OSHA Accident Investigation · Summary #822361
FRACTURE,COLLAPSE,PINNED,WORK RULES,TRENCH,SHORING,SLOPING,CAVE-IN,UNTRAINED,LEG
Event description
Employee's leg fractured during trench collapse
Investigation abstract
Employee #1, a coworker, and the acting foreman were in a 7-ft-wide by 30-ft-lon the coworker had received no formal training on working in trenches. The acting foreman had received some training years ago. The trench soil was a clay and sh ale mixture. g by 5.5-to-6-ft-deep trench, tightening the side bolts on a dresser coupling. E mployee #1 was sitting several feet away from the western end of the trench on a 12-ft by 20-ft cast iron water pipe with his feet on the northern side of the p ipe. The coworker was at the western end of the trench on the southern side of t he pipe between Employee #1 and the acting foreman, who was at the eastern end o f the trench. The northern wall of the trench collapsed, pinning Employee #1's l ower left side between the slab of earth and the pipe. He sustained a fractured leg. The trench had not been shored, sheeted, braced, or sloped. Employee #1 and
Victim
-
#1 Hospitalized Age 38 M
- Nature of injury
- 12
- Part of body
- 17
- Event type
- 1
- Source
- 12
- Occupation code
- 587
- Human factor
- 18
- Environmental factor
- 6
- 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.