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Male Machinist Dies After Falling From the Top of a Disc Screen Machine
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1993/08/20
[PDF-104.38 KB]
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Description:A 60-year-old male machinist (victim) died of injuries he received after falling from the top of a disc screen machine, through a discharge chute, and onto a conveyor 18 feet below. He was working with four others on a project which involved removing disc screen rollers from four identical machines for disc space modification. They were working on the third machine when the incident occurred
it was not operational at this time. Machine housing assemblies were removed to expose the roller deck. This process also exposed a 5 x 10-foot discharge chute opening at the end of the deck. Modification work was taking place on the deck so the workers constructed a catch platform over the opening to prevent falling into it. Six 2 x 4's, which served as platform supports, rested on the machine frame on one side of the opening and were wedged between a metal pipe brace and the last disc screen roller on the other side. A 4 x 8-foot, ¾-inch board was placed on top of the 2 x 4's to cover the opening. None of the platform components were secured to the machine or to each other. When the roller holding the 2 x 4's in place was removed from its deck position for modification, the compression it provided on them was relieved. The victim stepped onto the platform at this point and the entire structure collapsed into the discharge chute opening. He fell approximately 18 feet to the conveyor below and died approximately ten weeks later of his injuries. MN FACE investigators concluded that, in order to prevent similar occurrences, the following guidelines should be followed: 1. temporary platforms used to prevent falls into holes should be secured against accidental displacement
and 2. employers should provide training for workers in hazard recognition and avoidance, and safe work policies including task specific procedures.
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Content Notes:Publication Date provided by FACE program
not printed on the report.
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Pages in Document:1-3
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NIOSHTIC Number:nn:20027385
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Citation:Morgantown, WV: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, FACE 93MN004, 1993 Aug;:1-5;
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Federal Fiscal Year:1993
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Performing Organization:Minnesota Department of Health
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Peer Reviewed:False
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Start Date:1991/09/30
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End Date:2006/08/31
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