OSHA Accident Investigation · Summary #14257471
M&M ENGINEERING COMPANY
RALEIGH, NC—
Event description
Employee injured in trench cave-in
Investigation abstract
At approximately 10:00 a.m. on March 20, 1985, Employee #1 was preparing to lay a length of 6 in. drain pipe in a trench that was 30 feet long by 5 feet wide by 12 feet deep. The trench walls were nearly vertical and were not shored, sheete d, braced, or otherwise supported. The trench was dug in sandy soil with some mi ca content. The pipe had been lowered into the trench and Employee #1 was about to hook up two sections when the south wall caved in. Employee #1 was in a kneel ing position and was covered with dirt to about his shoulders. He sustained a se vere bruise to his knee.
Victim
-
#1 Non-hospitalized injury Age 44 M
- Nature of injury
- 3
- Part of body
- 15
- Event type
- 1
- Source
- 12
- Occupation code
- 557
- Human factor
- 14
- Environmental factor
- 13
- 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.