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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 37336.015 - Employee Is Crushed And Killed By Falling Equipment

Accident: 37336.015 -- Report ID: 0936400 -- Event Date: 08/02/2012
InspectionOpen DateSICEstablishment Name
558118.01508/02/2012Ellison-Mills Contracting Llc
At 9:15 a.m. on August 2, 2012, an employee was bolting a newly installed backfl ow preventor in a trench when the excavator operator attempted to extend the tre nch with a bucket shovel. The bucket shovel detached from the boom arm of the ex cavator and rolled down into the trench, striking the employee in the upper back . The bucket shovel detached from a JRB Quick-Coupler attached to the boom arm of a Komatsu PC 200 excavator as the excavator operator attempted to extend a tr ench where an 8 inch water pipe was being connected to a backflow preventor. The bucket shovel rolled aproximately 1.5 rotations into the trench (about 8 feet) and struck the employee working in the trench. His back was to the excavator and the teeth of the shovel struck the employee in the upper back. The excavator op erator, who was also the field supervisor and competent person, failed to conduc t the required procedure to ensure that the bucket shovel was securely attached to the Quick-Coupler device prior to operating the boom arm over the end of the trench. The employee suffered blunt force trauma to the posterior ribs, punctur ed lungs, and lacerated heart and was dead upon arrival at the hospital.
Keywords: excavator, struck by, trench
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
  New project or new addition   0 X
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 558118.015 47 M Fatality Construction Laborer FallDist:
Cause: Trenching, installing pipe

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