OSHA Accident Investigation · Summary #14482251

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

1989-09-27T00:00:00

Event: OVERHEAD POWER LINE,ELECTRICAL,BOOM,ELECTROCUTED,E GI IA,DRILL RIG--NON-OIL
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14482251
Report ID: 316400

Event description

ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU DRILL RIG

Investigation abstract

AN EMPLOYEE WAS USING A TANDEM TRUCK WITH A 17.7-FOOT-LONG MAST AND DRILL RIG TO DRILL TEST HOLES. DUE TO A MALFUNCTION IN THE CATHEAD RELATED TO A WET CATHEAD ROPE, 45 FEET OF ROD PIPE SHOT OUT OF THE DRILL HOLE, OVER THE MAST, AND LANDED ON A 7200-VOLT OVERHEAD POWER LINE THAT WAS 20 FEET AWAY. THE DRILL RIG OPERATOR , WHO HAD ONE HAND ON THE RODS AND WHO WAS WORKING IN STANDING RAIN WATER, WAS E LECTROCUTED.

Victim

#1 Fatality Age 34 M

Nature of injury
10

Part of body
19

Event type
13

Source
15

Occupation code
999

Human factor
4

Environmental factor
8

Hazardous substance
8870

Task assigned
1

Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.