OSHA Accident Investigation · Summary #14382444
TRENCH BOX,WORK RULES,CONSTRUCTION,TRENCH,BURIED,CAVE-IN
Event description
Employee killed in trench cave-in
Investigation abstract
Employee #1 was in a 21 ft deep trench, installing the base section of a manhole . A stub was to be placed at the base of the manhole to allow for future expansi on. The soil was classified as soft sand and gravel. A 6 ft wide trench box was provided but not used because the expansion stubs being installed ranged in widt h from 6 to 8 ft. Employee #1 was outside the trench box shoveling sand to clear the way for the expansion stub when the trench wall caved in on him, killing hi m.
Victim
-
#1 Fatality Age 50 M
- Nature of injury
- 2
- Part of body
- 28
- Event type
- 2
- Source
- 12
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 8
- Hazardous substance
- 8880
- 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.