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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 200200400 - Employee Injured By Form Work When Crane Boom Fails

Accident: 200200400 -- Report ID: 0418200 -- Event Date: 01/19/1998
InspectionOpen DateSICEstablishment Name
30017620301/19/19987353Phoenix Crane Service, Inc.
InspectionOpen DateSICEstablishment Name
30017638501/19/19981771United Forming, Inc.
Employee #1 and three coworkers were setting concrete form work at the site of a new two-story building. They were working directly under the boom of a 90 ton Lorian friction crane, model MC 790. The crane operator was warming-up the engine and drying out the frictions and brakes in preparation for the day's work. While drying the frictions, the operator lost control of the boom and it fell onto the top level of the building, where the form work was in place. The coworkers scrambled out of the way, but when the boom hit the structure the form work caved in, catching Employee #1. He sustained multiple injuries and was immediately transported to a local hospital.
Keywords: erection process, concrete form work, crane boom, construction, caught between, fall, struck by, falling object, lost control
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Commercial building New project or new addition $1,000,000 to $5,000,000 3 24
Employee # Inspection Age Sex Degree Nature Occupation Construction
1 300176203 Occupation Not Listed FallDist:
2 300176385 Hospitalized injury Fracture Occupation not reported FallDist:
Cause: Forming
FatCause: Collapse of structure

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