OSHA Accident Investigation · Summary #14445134

OVERHEAD POWER LINE,ELECTRICAL,BOOM,ELECTROCUTED,E C,DRILL RIG--NON-OIL

1987-08-10T14:45:00

Event: OVERHEAD POWER LINE,ELECTRICAL,BOOM,ELECTROCUTED,E C,DRILL RIG--NON-OIL
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14445134
Report ID: 355111

Event description

ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU DRILL BOOM

Investigation abstract

AN EMPLOYEE WAS OPERATING A 1976 GARDNER DENVER ROTARY DRILL (MODEL 1000, SERIAL NUMBER 10-3614) MOUNTED ON A 1975 FORD TRUCK (MODEL NUMBER LN 8000, SERIAL NUMB ER 4BODVV 96957). HE WAS WORKING UNDER A 7620-VOLT OVERHEAD POWER LINE CONSISTIN G OF THREE PHASE CONDUCTORS AND A NEUTRAL. WHILE OPERATING THE DRILL, THE EMPLOY EE BROUGHT THE MAST OF THE BOOM EITHER INTO CONTACT WITH OR TOO CLOSE TO THE OVE RHEAD LINE. HE WAS ELECTROCUTED WHEN HE CONTACTED THE TRUCK BODY.

Victim

#1 Fatality Age 27 M

Nature of injury
10

Part of body
4

Event type
6

Source
15

Occupation code
708

Human factor
10

Environmental factor
18

Task assigned
1

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