OSHA Accident Investigation · Summary #744979
PINNED,WORK RULES,CONSTRUCTION,TRENCH,UNSTABLE SOIL,CAVE-IN
Event description
Employee killed in trench cave-in
Investigation abstract
Employee #1 was installing a 6 in. line in about 8 ft of unstable soil. Two 4 in . drain lines, 15 in. long, ran from two townhouse basements into the 6 in. line , which in turn ran into a storm drain. The installation of the 4 in. lines, whi ch were to drain water from the basements, had begun about 7:00 a.m. Between 5:0 0 and 5:30 p.m., the side walls caved in, trapping and killing Employee #1.
Victim
-
#1 Fatality Age 29 M
- Nature of injury
- 2
- Part of body
- 4
- Event type
- 12
- Source
- 12
- Occupation code
- 585
- Human factor
- 1
- Environmental factor
- 13
- 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.