OSHA Accident Investigation · Summary #221497472
WA317970376 - AAA CONTRACTORS INC
RENTON, WA—
Event description
Employee Is Killed By Asphyxiation By Soil Engulfment During
Investigation abstract
At 1:00 p.m. on September 7, 2022, an employee was on a crew performing water around 12:30 p.m., approximately 30 minutes before the trench collapse occurred. and sewer line installation for construction of a small private housing development. The sewer and water line installation project first began in November 2021. At the time of the incident, the trench was approximately 18 feet deep, 18 feet long and 4 feet wide in Type C soil with two trench shields placed inside as a protective system. While the crew was working inside the trench, the trench collapsed and trapped the employee. The employee was asphyxiated when engulfed by the soil. A witness to the incident from a separate employer near the worksite stated that the upper trench shield was removed
Victim
-
#1 Fatality Age 36 M
- Event type
- 2
- Occupation code
- 999
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.