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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 200070811 - Electric Shock - Contact With Overhead Line Thru Boom

Accident: 200070811 -- Report ID: 0453720 -- Event Date: 10/12/1999
InspectionOpen DateSICEstablishment Name
30292936910/13/19991799Signage Industries Corporation
A three-person crew was installing a sign. When the crew started to install the sign, they determined that the slope of the land would prevent people driving past from seeing the sign if it were installed in its intended location, back away from the road, close to the parking lot. The crew supervisor decided to move the sign closer to the road so that it could be seen more easily. A 7160-volt (phase-to-ground) overhead power line passed nearby. The new location for the sign was under the power line, and the end of the sign would extend 457 millimeters past the power line. The crew was using a truck-mounted crane with a 20-meter telescoping boom to position the sign on its footer. The Skyhook Junior crane (Serial No. A64-2995-67) was mounted on a 1989 Ford truck frame. The employees positioned the crane parallel to the curb in the parking lot, with the right side of the vehicle facing the sign footer. The crew extended the right rear outrigger. The crane came too close to the power line, and current arced to the boom. One of the employees received an electric shock and sustained minor burns to his hands and left foot. He was hospitalized for his injuries. The supervisor also received an electric shock.
Keywords: burn, overhead power line, electrical, truck crane, e gi ia, electric shock, crane
End Use Proj Type Proj Cost Stories NonBldgHt Fatality
Commercial building New project or new addition Under $50,000 6
Employee # Inspection Age Sex Degree Nature Occupation
1 302929369 Non Hospitalized injury Electric Shock Supervisors, n.e.c.
2 302929369 Hospitalized injury Electric Shock Construction trades, n.e.c.

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