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Municipal Sewer Maintenance Worker Drowns Inside Sewer Wet Well in Illinois
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1990/05/02
[PDF-19.31 KB]
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Description:A municipal sewer maintenance worker (victim) drowned inside a sewer wet well. The victim was part of a four-man sewer maintenance crew assigned to clean out a sewer wet well, which was 20 feet deep and 6 feet in diameter. The victim entered through a 24-inch-diameter manway and climbed down on fixed steel rungs which extended to the bottom. The wet well atmosphere had not been tested nor ventilated before entering. The victim was wearing a full-body harness (secured to a winch cable) and a supplied-air respirator. After descending 8 feet to a grating platform, the victim installed an inflatable sewer plug into the end of an 18-inch-diameter inlet sewer pipe 2 feet below ground level. After inflating the sewer plug the victim climbed down to the bottom of the wet well and began cleaning out the wet well with an 8-inch-diameter sewer vacuum hose. Within a few minutes the victim removed the respirator facepiece, complaining to a co-worker that the respirator was in his way. Approximately 30 minutes later, the sewer plug gave way causing sewage to flood the wet well. Co-workers were unable to rescue the victim and he subsequently drowned.
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Content Notes:Publication Date supplied by FACE program; date does not appear on report.
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FACE - NIOSH and State:
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Pages in Document:6 pages
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NIOSHTIC Number:20024465
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NTIS Accession Number:PB2005-102133
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Citation:Morgantown, : U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health
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Federal Fiscal Year:1990
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Peer Reviewed:False
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Start Date:1989/08/31
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Resource Number:FACE-90-14
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