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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170210694 - Employee Dies Of Asphyxia In Oxygen Deficient Manhole

Accident: 170210694 -- Report ID: 0552651 -- Event Date: 09/17/1993
InspectionOpen DateSICEstablishment Name
11483493009/20/19931623Dans Excavating Inc
On September 17, 1993, Employee #1, of Dan's Excavating Inc., a laborer on a sewer construction crew, entered a 26 ft deep manhole to check the line sight glass for water levels. After he had climbed to the bottom of the manhole, Employee #1 made a noise as if he were clearing his throat and then started climbing back out. When Employee #1 was 6 to 8 ft from the top he looked up, let go of the ladder, and fell backward to the bottom of the manhole. Employee #1 died of asphyxia. The atmosphere had not been tested before he entered the manhole. When it was later tested at the manhole level from which Employee #1 fell, an oxygen deficiency was found. Citations were issued for serious violations of R408.40121(1), R408.40121(2), and R408.41115(8).
Keywords: oxygen deficiency, asphyxiated, confined space, work rules, construction, manhole
Employee # Inspection Age Sex Degree Nature Occupation
1 114834930 Fatality Amputation Occupation not reported

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