OSHA Accident Investigation · Summary #605576
FRACTURE,TRENCH BOX,WORK RULES,CONSTRUCTION,TRENCH,SHORING,SLOPING,BURIED,CAVE-IN,UNTRAINED
Event description
Employee's pelvis fractured in trench cave-in
Investigation abstract
Employee #1 was in a 19 to 21 ft deep and 31 feet wide sewer line trench. The si ; a coworker was on the bank. des of the trench were slightly sloped. Employee #1 was aligning the laser and c learing dirt from the end of an 8 in. ductile sewer pipe. He was on his knees wh en a slick head kicked out of the side of the trench and he was completely burie d. He was removed from the trench within 25 minutes. Employee #1 was hospitalize d with a pelvis fracture in three places. The excavated dirt was piled high at t he edge of the trench opposite the side that caved in. No ladder was available a nd hard hats were worn. Sloping was inadequate and no shoring or trench box was used. Employees were not adequately trained. The foreman was nearby in a manhole
Victim
-
#1 Hospitalized Age 19 M
- Nature of injury
- 12
- Part of body
- 14
- Event type
- 2
- Source
- 12
- Occupation code
- 999
- Human factor
- 1
- 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.