OSHA Accident Investigation · Summary #14198014
TRENCH BOX,UNSECURED,CONSTRUCTION,TORSO,TRENCH,PIPE
Event description
EMPLOYEE INJURED WHEN TRENCH COLLAPSES
Investigation abstract
Employee #1 was installing a sanitary sewer line in the bottom of a trench box t ed. hat was 6 ft deep, 16 ft long and 12 ft wide. A second trench box that was 20 ft long and 8 ft high was placed on top of the 16-ft-long box. As pipe was install ed an excavator opened the trench and slid the trench boxes along. The trench wa s not back filled as the trench boxes were moved ahead. A ladder was placed in t he trench on the outside end of the trench boxes employees were going into the t rench box from the end of the trench box. Employee #1 attempted to enter the tre nch box. The trench was not protected at the face of the trench's south end and collapsed. Employee #1 was engulfed with soil to waist height and was hospitaliz
Victim
-
#1 Hospitalized Age 30 M
- Nature of injury
- 12
- Part of body
- 14
- Event type
- 2
- Source
- 12
- Occupation code
- 599
- Human factor
- 6
- Environmental factor
- 8
- 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.