OSHA Accident Investigation · Summary #999037
OIL CIRCUIT BREAKER,ELEC PROTECT EQUIP,ELECTRICAL,POWER LINE WORKER,ELECTROCUTED,LOCKOUT,E PTD,SUBSTATION,ELEC UTILITY WORK
Event description
ELECTRIC SHOCK - DIRECT CONTACT WITH OIL CIRCUIT BREAKER
Investigation abstract
A LINE WORKER WAS THE SENIOR EMPLOYEE IN CHARGE OF A THREE-MAN LINE CREW ASSIGNE LINE WORKER DID NOT MAKE A VISUAL OBSERVATION NOR DID HE USE THE RUBBER INSULATE D GLOVES WHICH WERE REQUIRED. THE LINE WORKER WAS USING A WOODEN STEP LADDER WHE N HE CONTACTED THE SOURCE SIDE BUSHING CONNECTION WITH HIS RIGHT HAND AND THE FR AME OF THE OIL CIRCUIT BREAKER WITH HIS LEFT HAND, WHICH PROVIDED THE PATH TO GR OUND. THE EMPLOYEE WAS ELECTROCUTED. D TO REPLACE TWELVE OIL CIRCUIT BREAKERS IN A DISTRUBUTION SUBSTATION. THE THREE EMPLOYEES HAD ALREADY REPLACED ONE THREE-PHASE BANK OF OIL CIRCUIT BREAKERS WIT HIN THE SUBSTATION. BEFORE WORK WAS PERFORMED ON THE OIL CIRCUIT BREAKERS, THE U NITS WERE BYPASSED AND DEENERGIZED. RUBBER INSULATING GLOVES WERE USED, AS REQUI RED BY COMPANY POLICY. AS ONE EMPLOYEE WAS MAKING THE FINAL CONNECTION ON THE TH IRD REPLACEMENT OIL CIRCUIT BREAKER ON THE SOUTH BANK, THE SENIOR LINE WORKER PR OCEEDED TO THE EAST THREE-PHASE BANK OF OIL CIRCUIT BREAKERS BEFORE NECESSARY PR ECAUTIONS TO BYPASS AND DEENERGIZE THE OIL CIRCUIT BREAKERS HAD BEEN TAKEN. THE
Victim
-
#1 Fatality Age 26 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 577
- Human factor
- 1
- Environmental factor
- 18
- Task assigned
- 1
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