OSHA Accident Investigation · Summary #14503270

ELECTRICAL,ELECTROCUTED,JACKHAMMER,E C,UNDRGRD POWER LINE,BLIND REACHING

1986-05-12T00:00:00

Event: ELECTRICAL,ELECTROCUTED,JACKHAMMER,E C,UNDRGRD POWER LINE,BLIND REACHING
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14503270
Report ID: 729700

Event description

ELECTRIC SHOCK - CONTACT WITH UNDERGROUND LINE THRU TOOL

Investigation abstract

An employee was working at the bottom of a 1.2-meter-deep excavation in a city s treet. He was using a jackhammer to remove what was thought to be rock so that w ork could be performed on a 102-millimeter-diameter natural gas line. The rock w as actually a concrete conduit surrounding a 13.8-kilovolt underground power lin e. The employee was electrocuted when the blade of the jackhammer broke through the concrete and contacted the power line.

Victim

#1 Fatality Age 28 M

Nature of injury
10

Part of body
4

Event type
13

Source
15

Occupation code
999

Human factor
4

Environmental factor
13

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.