OSHA Accident Investigation · Summary #14300206
C & H MECHANICAL CORPORATION
ANNAPOLIS, MD·
Event description
Employee's pelvis fractured in trench cave-in
Investigation abstract
Employee #1 and a coworker were laying an 8 in. cast iron storm drain in an appr oximately 30 in. wide by 4 1/2 ft deep by 12 ft long trench. Employee #1 was in the trench, hand digging around underground electric wiring, when the trench cav ed in on top of him. He pelvis was broken in three places and he was hospitalize d. The trench ran adjacent to a previously backfilled area or excavation where p ipe had previously been installed. The trench was also subject to vibration from traffic on the highway that ran parallel to it, approximately 25 ft away. There was no shoring, sloping, or bracing in place to prevent a cave-in.
Victim
-
#1 Hospitalized Age 19 M
- Nature of injury
- 12
- Part of body
- 14
- Event type
- 2
- Source
- 12
- Occupation code
- 587
- Human factor
- 1
- Environmental factor
- 4
- 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.