OSHA Accident Investigation · Summary #764316

UTILITY BORING, INC.

POMONA, CA· 1987-10-12T00:00:00

Event: OVERHEAD POWER LINE, ELECTRICAL, BOOM, CRANE BOOM, TRUCK CRANE, ELECTROCUTED, E GI IA, ELEC UTILITY WORK, CRANE
NAICS: 000000
Inspection type: Accident-driven
Activity number: #100946680
Employer profile: UTILITY BORING, INC.
Summary number: 764316
Report ID: 931200

Event description

ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CRANE BOOM

Investigation abstract

A CREW OF EMPLOYEES WAS BORING AND INSTALLING THE CASING FOR UNDERGROUND POWER L INES. ONE MEMBER OF THE CREW WAS USING A TRUCK-MOUNTED HYDRAULIC CRANE TO MOVE A WELDING MACHINE. THE CRANE WAS PARKED UNDER A 12-KILOVOLT OVERHEAD POWER LINE I NSTALLED 28 FEET, 11 INCHES ABOVE THE GROUND. THE BOOM OF THE CRANE CONTACTED TH E OVERHEAD LINE, AND AN EMPLOYEE WHO WAS LEANING AGAINST ONE OF THE CRANE'S OUTR IGGERS WAS ELECTROCUTED.

Victim

#1 Fatality Age 20 M

Nature of injury
10

Part of body
4

Event type
13

Source
15

Occupation code
999

Human factor
11

Environmental factor
8

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.