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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 107732844 - Minnesota Valley Coop Light & Power Assocation

Inspection Information - Office: Minnesota

Nr: 107732844Report ID: 0552700Open Date: 02/29/1988

Minnesota Valley Coop Light & Power Assocation
501 S. 1st Street
Montevideo, MN 56265
Union Status: Union
SIC: 4911/Electric Services
Mailing: P O Box 717, Montevideo, MN 56265

Inspection Type:Accident
Scope:Partial Advanced Notice:N
Ownership:Private
Safety/Health:Safety Close Conference:02/29/1988
Close Case:03/14/1988

Related Activity:TypeIDSafetyHealth
 Accident360316400    

Accident Investigation Summary
Summary Nr: 999037Event: 02/26/1988Electric Shock - Direct Contact With Oil Circuit Breaker
A LINE WORKER WAS THE SENIOR EMPLOYEE IN CHARGE OF A THREE-MAN LINE CREW ASSIGNED TO REPLACE TWELVE OIL CIRCUIT BREAKERS IN A DISTRUBUTION SUBSTATION. THE THREE EMPLOYEES HAD ALREADY REPLACED ONE THREE-PHASE BANK OF OIL CIRCUIT BREAKERS WITHIN THE SUBSTATION. BEFORE WORK WAS PERFORMED ON THE OIL CIRCUIT BREAKERS, THE UNITS WERE BYPASSED AND DEENERGIZED. RUBBER INSULATING GLOVES WERE USED, AS REQUIRED BY COMPANY POLICY. AS ONE EMPLOYEE WAS MAKING THE FINAL CONNECTION ON THE THIRD REPLACEMENT OIL CIRCUIT BREAKER ON THE SOUTH BANK, THE SENIOR LINE WORKER PROCEEDED TO THE EAST THREE-PHASE BANK OF OIL CIRCUIT BREAKERS BEFORE NECESSARY PRECAUTIONS TO BYPASS AND DEENERGIZE THE OIL CIRCUIT BREAKERS HAD BEEN TAKEN. THE LINE WORKER DID NOT MAKE A VISUAL OBSERVATION NOR DID HE USE THE RUBBER INSULATED GLOVES WHICH WERE REQUIRED. THE LINE WORKER WAS USING A WOODEN STEP LADDER WHEN HE CONTACTED THE SOURCE SIDE BUSHING CONNECTION WITH HIS RIGHT HAND AND THE FRAME OF THE OIL CIRCUIT BREAKER WITH HIS LEFT HAND, WHICH PROVIDED THE PATH TO GROUND. THE EMPLOYEE WAS ELECTROCUTED.
Keywords: oil circuit breaker, elec protect equip, electrical, power line worker, electrocuted, lockout, e ptd, substation, elec utility work
Inspection Degree Nature Occupation
1 107732844 Fatality Electric Shock Electrical power installers and repairers

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