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Occupational Safety and Health Administration OSHA

Inspection Detail

Accident Investigation Summary
Summary Nr: 14489942 Event: 08/20/1985Employee Killed When Excavation Shoring Collapses
At approximately 2:00 p.m. on August 20, 1985, Employee #1 and three coworkers were boring a hole to push a 20 in. casing underneath a road. Employee #1 was in the approximately 9 ft wide by 32 ft long by 7 ft deep excavation. Two 8 ft by 15 ft by 3/4 in. steel plates without horizontal braces had been placed against the north and south walls of the excavation at an angle of approximately 30 degrees. The plate on the south wall tipped over and pinned Employee #1 against the casing, crushing his chest. He suffered cardiac arrest as a result of internal injuries, and was pronounced dead approximately 45 minutes later.
Keywords: steel plate, excavation, work rules, bracing, collapse, pinned, construction, cardiac arrest, crushed
Inspection Degree Nature Occupation
1 2256600 Occupation Not Listed

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