OSHA Accident Investigation · Summary #570168

OVERHEAD POWER LINE,ELECTRICAL,CRANE BOOM,POTENTIAL GRADIENT,ELECTROCUTED,E C,ELECTRIC SHOCK,CRANE

1984-08-10T08:15:00

Event: OVERHEAD POWER LINE,ELECTRICAL,CRANE BOOM,POTENTIAL GRADIENT,ELECTROCUTED,E C,ELECTRIC SHOCK,CRANE
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 570168
Report ID: 521700

Event description

ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CRANE

Investigation abstract

TWO EMPLOYEES WERE GUIDING A 23-FOOT-BY-6-FOOT GANG FORM INTO POSITION. DURING T HIS OPERATION, THE HYDRAULIC TRUCK CRANE (P & H MODEL T-180) FROM WHICH THE FORM S WERE SUSPENDED CONTACTED A 7200-VOLT OVERHEAD POWER LINE. CURRENT PASSED THROU GH THE BOOM, THE LOAD LINE, THE WIRE ROPE SLINGS, THE STEEL-FRAMED FORMS, AND TH E EMPLOYEES TO GROUND. THESE TWO WORKERS WERE ELECTROCUTED. TWO OTHER EMPLOYEES STANDING A FEW FEET FROM THE FIRST TWO ALSO RECEIVED ELECTRIC SHOCKS. THESE TWO EMPLOYEES WERE SHOCKED EITHER BECAUSE THEY WERE ALSO IN CONTACT WITH THE FORMS O R BECAUSE OF ELECTRIC POTENTIAL GRADIANTS IN THE GROUND.

Victims (4)

#1 Fatality Age 40 M

Nature of injury
10

Part of body
4

Event type
13

Source
27

Occupation code
999

Human factor
1

Environmental factor
8

Task assigned
1
#2 Fatality Age 40 M

Nature of injury
10

Part of body
4

Event type
13

Source
27

Occupation code
999

Human factor
1

Environmental factor
8

Task assigned
1
#3 Hospitalized Age 40 M

Nature of injury
10

Part of body
4

Event type
13

Source
27

Occupation code
999

Human factor
1

Environmental factor
8

Task assigned
1
#4 Hospitalized Age 25 M

Nature of injury
10

Part of body
4

Event type
13

Source
27

Occupation code
999

Human factor
1

Environmental factor
8

Task assigned
1

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