OSHA Accident Investigation · Summary #689174
FRACTURE,INSTALLING,PINNED,WORK RULES,CONSTRUCTION,TRENCH,UNSTABLE SOIL,SLOPING,CAVE-IN,FACE
Event description
Employee injured in trench cave-in
Investigation abstract
Employee #1 was installing a 4 in. PVC sewage line in a 7 ft deep trench along t he southbound lane of Highway 61. The slope of the trench walls was not adequate for the soil type (loose gravel) and trench depth. A 10 ft long and 30 in. thic k section of the wall fell and pinned Employee #1 face first against the bank of the trench, covering him up to his neck. He sustained bone fractures to his fac e and jaw and was hospitalized.
Victim
-
#1 Hospitalized Age 36 M
- Nature of injury
- 12
- Part of body
- 9
- Event type
- 2
- Source
- 12
- Occupation code
- 599
- 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.