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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 202466918 - Employee Falls Through Floor, Fractures Wrist And Vertebra

Accident: 202466918 -- Report ID: 0950643 -- Event Date: 06/12/2008
InspectionOpen DateSICEstablishment Name
31020254407/08/20081771Terra Firma Drilling Inc. Dba Terra Firma Equip.
At approximately 12:30 p.m. on June 12, 2008, Employee #1 was pouring concrete to make stairs on the side of the house being remodeled. Employee #1 walked across the second floor of the house through the framing of the wall and stepped on a plywood sheet that collapsed. Employee #1 said he went through the framing and stood on the plywood surface to see if the concrete vibrator was plugged into a spider box located at a lower level. The joists, as well as other supports (concrete supports), were removed by the carpenters the morning of the accident due to the demolition project. The carpenters were going to renail the plywood onto new joists. The wood framing Employee #1 walked through did not have any openings 18 in. or wider, so it was not a wall opening that required a guardrail. Employee #1 was never told about the unsupported surface. However, the project manager of the general contractor said Employee #1 was told about the hazard before the injury. Employee #1 fell 9 ft to the ground when the unsupported surface collapsed. Employee #1 suffered a fractured left wrist, stretched tendons in his left hand, and a fractured and compressed L1 vertebra. Employee #1 was hospitalized for five days.
Keywords: fracture, unsecured, floor hole, unsecured panel, fall, vertebra, wrist
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Single family or duplex dwelling Alteration or rehabilitation $250,000 to $500,000 2
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 310202544 Hospitalized injury Fracture Construction trades, n.e.c. FallDist:
FallHt:9
Cause: Forming
FatCause: Fall from/with structure (other than roof)

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