OSHA Accident Investigation · Summary #14465587
E GI III,ELECTRICAL,CONFINED SPACE,ELECTROCUTED,WELDER,WELDING,WELDING CABLE,WELDING ELECTRODE
Event description
ELECTRIC SHOCK - CONTACT WITH WELDING CABLE
Investigation abstract
AN EMPLOYEE WAS TACK WELDING SOME ELBOW JOINTS ON A 4-INCH-DIAMETER, 46-INCH-LON LDER IN HIS UNGLOVED RIGHT HAND. HIS WELDING FACE SHIELD WAS UP. THE WELDING ROD WAS NEW AND HAD NOT YET STRUCK AN ARC. AT A POINT 55 INCHES FROM THE HOLDER ALO NG THE WELDING LEAD CABLE WAS AN AREA WHERE THE INSULATION WAS CUT AND WHERE THE CONDUCTOR WAS EXPOSED. IT WAS HUMID THAT DAY, WITH PERIODS OF RAIN AND THUNDERS TORMS, AND THE EMPLOYEE HAD PERSPIRED ABNORMALLY. G PIPE LOCATED INSIDE OF AN 8-FOOT-6-INCH-BY-23-FOOT-2-INCH-BY-8-FOOT-6-INCH SHE ET METAL SILO. THE WELDING MACHINE BEING USED WAS A LINCOLN SINGLE-PHASE, 240/48 0-VOLT AC ARC WELDER, WITH A MAXIMUM OPEN CIRCUIT VOLTAGE OF 76 VOLTS. THE SILO SAT ON A STRUCTURAL STEEL SKID THAT WAS GROUNDED TO A BUILDING ALONG WITH THE WE LDER. THE WELDING LEADS RAN FROM THE WELDER FOR A DISTANCE OF ABOUT 50 FEET TO W HERE THE EMPLOYEE WAS WORKING. THE 45-YEAR-OLD EMPLOYEE WAS FOUND DEAD OF APPARE NT ELECTROCUTION. HE HAD BURN MARKS ON THE RIGHT SIDE OF HIS TEMPLE. HE WAS FOUN D LYING ON HIS BACK WITH A LEATHER GLOVE ON HIS LEFT HAND AND THE WELDING ROD HO
Victim
-
#1 Fatality Age 45 M
- Nature of injury
- 10
- Part of body
- 9
- Event type
- 13
- Source
- 15
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 17
- Task assigned
- 1
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