ML20210T057
| ML20210T057 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 02/12/1987 |
| From: | Licitra E Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20210S484 | List: |
| References | |
| FOIA-86-774 NUDOCS 8702180046 | |
| Download: ML20210T057 (2) | |
Text
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p_ j PALO VERDE UNITS 1 8 2 - DISRUPTION OF 0FFSITE POWER LINES MAY 14, 1986 (E. Ake h, M PROBLEM:
DISRUPTIONS OF 0FFSITE POWER TRANSMISSION LINES SIGNIFICANCE:
SAB0TAGE OF 0FFSITE POWER SYSTEM DISCUSSION:
UNIT I IN COLD SHUTDOWN AND UNIT 2 IN H0T STANDBY (STARTING UP) 8:59 P.M., PDT - 525 KV LINE FROM YUCCA INTERRUPlED (ABOUT 30 MILES FROM PLANT SITE) 9:02 P.M., PDT - 525 KV LINE FROM KYRENE INTERRUPTED 9:23 P.M., PDT - 525 KV LINE FROM WEST WING INTERRUPTED: COLD LINE LEFT ALONE UNIT 2 IN TECH SPEC ACTION STATEMENT TO SHUTDOWN IN 72 HOURS WITH ONLY ONE 525 KV LINE REMAINING INVESTIGATION BY LICENSEE REVEALED INDICATIONS OF SAB0TAGE (STRAPS OVER LINES)
EMERGENCY DIESEL GENERATORS FOR BOTH UNITS WERE TESTED ONE TIME AND CONFIRMED TO BE OPERABLE TO ASSURE THAT NO "INSIDE" PROBLEMS EXISTED, LICENSEE TOOK ACTIONS INCLUDING:
INSPECTION OF ONSITE POWER SYSTEMS, VERIFICATION OF FLOW PATHS FOR SAFETY SYSTEMS, INSPECTION OF 0FFSITE TRANSMISSION LINE FAULT DETECTOR AND INCREASED SURVEILLANCE OF POWER DISTRIBUTION SYSTEM STATION BLACK 0UT PROCEDURE REVIEWED WITH OPERATORS ALL THREE LINES RESTORED BY 5:00 PM NEXT DAY FOLLOW-UP:
FBI INVESTIGATING INCREASED SURVEILLANCE OF TRANSMISSION LINES
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