105,313Records 71,083Employers 85,290Hospitalizations 27,770Amputations 2015-01-01 2025-10-31
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Accident Investigation · Summary #657510

ASPHYXIATED,WORK RULES,CONSTRUCTION,TRENCH,SHORING,SLOPING,BURIED,CAVE-IN

Event
ASPHYXIATED,WORK RULES,CONSTRUCTION,TRENCH,SHORING,SLOPING,BURIED,CAVE-IN
Linked inspection
No inspection record linked to this accident's victims.
Summary number
657510
Report ID
111400

Event description

Employee killed when trench walls collapse

Investigation abstract

At approximately 3:30 p.m. on February 6, 1986, Employee #1 and a coworker had h ooked up 4 in. PVC drainage pipe in a trench and were walking out when the side walls collapsed, burying Employee #1 and knocking over the coworker. Employee #1 died of asphyxiation. The coworker was able to escape.

Victim

  1. #1 Fatality Age 30 M

    Nature of injury
    2
    Part of body
    5
    Event type
    2
    Source
    12
    Occupation code
    999
    Human factor
    1
    Environmental factor
    18
    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.