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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 202317814 - Employee Killed In Fall When Cover Boards Are Displaced

Accident: 202317814 -- Report ID: 0950653 -- Event Date: 10/25/2007
InspectionOpen DateSICEstablishment Name
30529555210/26/20071629Zachry Construction Corporation
On October 25, 2007, Employee #1, an ironworker/helper and two coworkers were assessing the work to be done to move a 2,400 lb dust collector vessel on the fifth level of a newly constructed coal mill tower. The vessel had been previously placed on the edge of the planked floor opening cover while it waited for fit-up further in on the fifth level. Employee #1 walked over to the vessel and out on to the cover for a 58 in. square floor hole when one 2 i., by 10 in. scaffold-grade plank gave away, followed by two more planks. Employee #1 fell 44 ft onto a building rooftop, then bounced and fell another 13 ft to the ground. Employee #1 was killed. Subsequent investigation found that none of the floor opening scaffold planks broke. Failure of the hole-cover was caused by the planks being unsupported on one end due to displacement over the hole. The hole cover was not secured to prevent accidental displacement nor labeled with the required warning, "Opening-Do Not Remove."
Keywords: board, cover, unsecured, iron worker, work rules, construction, floor opening, warning sign
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Manufacturing plant New project or new addition $20,000,000 and over 120 X
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 305295552 Fatality Concussion Helpers, construction trades FallDist:
FallHt:57
Cause: Installing equipment (HVAC and other)
FatCause: Fall through opening (other than roof)

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