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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14514178 - Employee Crushed And Killed By Falling Oil Derrick Mast

Accident: 14514178 -- Report ID: 0524700 -- Event Date: 04/23/1991
InspectionOpen DateSICEstablishment Name
10628168604/23/19911381Armstrong Drilling Inc.
At approximately 1:00 p.m. on April 23, 1991, the crew had raised the derrick mast in order to move the semi-tractor and the trailer that was transporting the rig. In order to do this, the mast had to be supported on both sides. Employee #1, the truck driver who was located on the transporting trailer beneath the mast, had placed one support under the mast when the raising ram hydraulic system failed. The one support alone could not hold the mast. It dropped down on the truck driver, crushing him. Employee #1 died.
Keywords: derrick, hoisting mechanism, oil well drilling, equipment failure, crushed, hydraulic tool, struck by, falling object
Employee # Inspection Age Sex Degree Nature Occupation
1 106281686 Fatality Concussion Occupation not reported

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