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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170840920 - Employee Fractures Pelvis In Trench Cave-In

Accident: 170840920 -- Report ID: 0950615 -- Event Date: 09/15/2004
InspectionOpen DateSICEstablishment Name
11963374109/16/20041623Preston Pipelines Inc

At approximately 2:50 p.m. on September 15, 2004, Employee #1 was working for an employer that was constructing 4-inch and 6-inch sanitary sewer lines and a manhole at a commercial building under construction. Employee #1 was checking the grade as the foreman dug a trench with a backhoe. Just before quitting time, the foreman went to park the backhoe. Employee #1 saw what he thought was a problem with an exposed plastic electrical conduit and jumped into the unshored trench to check it out. The south wall of the 5 foot 10 inch trench that was resting on sandfill around the round, plastic conduits, caved in. Large chunks of engineered fill material pinned Employee #1 against the north wall, crushing him and fracturing his pelvis in five places. The foreman and two other employees in the area pulled him out of the trench. Employee #1 was hospitalized for his injuries.

Keywords: sewer, fracture, conduit, pinned, construction, trench, crushed, cave-in, manhole, backhoe
Accident Details
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Commercial building New project or new addition $1,000,000 to $5,000,000 2

Employee Details
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 119633741 Hospitalized injury Bruise/Contus/Abras Construction laborers FallDist:
Cause: Other Activities-Post Decking Detail Work
FatCause: Trench collapse

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