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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 817718 - Employee Suffers Internal Injuries When Struck By Fragment

Accident: 817718 -- Report ID: 0111500 -- Event Date: 10/05/1993
InspectionOpen DateSICEstablishment Name
11321124710/05/19931611White Oak Corporation
Iron workers were emplacing hydraulic jacks in preparation for lifting a portion of a bridge the following day. The bottom couplings of each were connected to a manifold system that was connected to a pump. The foreman wanted to place enough pressure on the jacks to prevent theft. Once the system was pressurized, the ram in one of the jacks started to move; the other showed no sign of movement. Once the first ram was in place, the valve to the jack was closed. The ram on the second jack started to move, then shortly thereafter, a loud report was heard. The upper coupling on the second jack ruptured, expelling the internal parts. One fragment went through Employee #1's upper arm and lodged in his lower abdomen, causing internal injuries.
Keywords: abdomen, hydraulic jack, iron worker, construction, rupture, struck by, arm, flying object
Employee # Inspection Age Sex Degree Nature Occupation
1 113211247 Hospitalized injury Puncture Occupation not reported

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