OSHA Accident Investigation · Summary #14522684
ELEC PROTECT EQUIP,ELECTRICAL,REACTOR,POWER LINE WORKER,ELECTROCUTED,E PTD,ELEC CIRC PART--MISC,ELEC UTILITY WORK
Event description
ELECTRIC SHOCK - DIRECT CONTACT WITH LIVE PARTS
Investigation abstract
ON APRIL 4, 1988, A POWER OUTAGE OCCURRED IN THE 11.5-KILOVOLT POWER LINE FROM A LEM WITH THE A PHASE BECAUSE OF THE PROXIMITY OF ENERGIZED REACTOR PARTS AND A L ACK OF ROOM TO PERFORM A MEGGER TEST. THE TURN SUPERVISOR, AS THEY HAD DISCUSSED , WENT TO TELEPHONE THE SUBSTATION TO REQUEST A SECOND MEGGER TEST OF THE A PHAS E AT THAT LOCATION. AS THE TURN SUPERVISOR WAS STARTING TO GO, THE AREA SUPERVIS OR ENTERED THE REACTOR CABINET, CLIMBED A 4-FOOT WOODEN STEPLADDER, AND ATTEMPTE D TO CLAMP A MEGGER LEAD ONTO THE A PHASE CONDUCTOR. IN THE PROCESS, HE CONTACTE D EXPOSED PARTS OF THE REACTOR ENERGIZED AT 11.5 KILOVOLTS AND WAS ELECTROCUTED. POWER HOUSE (SUBSTATION) TO A HOT MILL MOTOR ROOM. THREE DAYS LATER, AT 8:30 AM , A CABLE REPAIR WAS COMPLETED. LATER THAT DAY, THE AREA SUPERVISOR, WHO WAS IN CHARGE OF THE REPAIR, OBSERVED MEGGER TESTS AT THE SUBSTATION, WHICH SHOWED THAT SHOWED THE A PHASE CABLE TO BE GROUNDING OUT. THE AREA SUPERVISOR WENT TO THE H OT MILL MOTOR ROOM BASEMENT TO CONDUCT AN INVESTIGATION OF THE REACTOR EQUIPMENT INVOLVED. WITH A TWO-PERSON CREW AND A TRAINEE, THE AREA SUPERVISOR MEGGERED TH E B AND C PHASES AND FOUND THEM TO BE SATISFACTORY. THE AREA SUPERVISOR, IN CONS ULTATION WITH A SUBORDINATE TURN SUPERVISOR, DECIDED AGAINST CONFIRMING THE PROB
Victim
-
#1 Fatality Age 39 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 555
- Human factor
- 1
- 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.