ML20085E480
| ML20085E480 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 08/19/1976 |
| From: | Berry K CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20085E478 | List: |
| References | |
| NUDOCS 8308120251 | |
| Download: ML20085E480 (1) | |
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VEC197(1607)(1-031351 A232)PD 08/19/76 1603 gMIb TLX CONSPOWER JKN ZCZC 004 DLY JACKSON MICH 8/19/76 PMS MR K R BAKER S- ; - ['t j
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SUBJECT:
LICENSEE EVENT REPORT bfE62 Ar.L c
ON 8/17/76 A MODIFIED MODE OF CIRCULATING WATER SYSTEM OPERATION WAS BEING ATTEMPTED.
DURING THIS EXERCISE, THE COOLING TOWER B ASIN LEVEL EXCEEDED NORMAL ELEVATION.
THE OPERATOR ADJUSTED THE COOLING TOWER PUMP DISCHARGE VALVE WHICH RESULTED IN EXCESSIVE sr.mi(as.a>
AUG '> f 1976 WIER OVERFLOW AND THE LIMITING CONDIZUON OF OPERATION, T.S. 3.99, CLOSED CYCLE COOLING SYSTEM THERMAL DISCHARGE LIMIT OF 5 DEGREES U
F INCREASE, WAS MOMENTARILY EXCEEDED.
THE MAXIMUM INSTANIANEOUS del.TA T WAS 6.6 DEGREES F WHICH OCCURRED AT 15io.
THE AVERAGED VALVE FROM 1510 TO 1607 WAS 4.75 DEGREES F.
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THERE WA9 SOME QUESTION ON REPORTING REQUIREMENTS OF THIS EVENT, BUT IT HAS BEEN JUDGED THAT TIME AVERAGING OVER A ONE-HOUR PERIOD IS NOT PERMISSIBLE, THEREFORE, THIS EVENT IS BEING REPORTED AS REQUIhED BY TECH SPECS 6.9.2/A/.
THIS EVENT WILL CARRY OUR REPORT NUMBER ER-PAL-76-026.
K W BERRY
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