OSHA Accident Investigation · Summary #777987
CONSTRUCTION,TRENCH,UNSTABLE SOIL,BURIED,CAVE-IN
Event description
Employee killed in trench cave-in
Investigation abstract
Employee #1 was working in a 6 ft tall trench box in a trench that had a flow li ne of 16 ft. The top of the trench was 18 to 20 ft wide. The bottom of the trenc h was 4 to 6 ft wide. The south side of the trench had been sloped at the top 8 ft wider than the box. The north side of the trench had been sloped at the top 6 ft wider than the box. The employees hit groundwater while at the 13 ft level. The south wall of the trench caved in, burying Employee #1 inside the box and ki lling him.
Victim
-
#1 Fatality Age 24 M
- Nature of injury
- 2
- Part of body
- 4
- Event type
- 2
- Source
- 12
- Occupation code
- 599
- Human factor
- 4
- Environmental factor
- 13
- 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.