ML20077G820
| ML20077G820 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 07/20/1983 |
| From: | Krich R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 8308040472 | |
| Download: ML20077G820 (2) | |
Text
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1-018220A202 07/21/83 ICS IPMMVIV MVA CGBA 04390 MG* (03911) PT VERNON IL 07-21 0532P CCT MVIA O
S.p ss US NUCLEAR REGULATORY COMMISSION PALISADES PLANT SECT CFIEF O
799 ROOSEVELT ROAD 9
GLEN ELLYN IL 60137 O
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1 011842C201 07/20/83 TLX CONSPOV.EP JKN 232 CONSUMERS POWER JACKSON MI 14: 35 EDT 07-20 0
PHS U S NUCLEAR REGULATORY COMMISSION PALISA0ES PLANT SECT CHIEF Q
799 R00SEVELT ROAD GLEN ELLYN IL 60137 O
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TO:
LS NUCLEAR REGULATORY COMMISSION 799 ROCSEVELT AVENUE Q
GLEN ELLYN, ILLINOIS 9
ATTN PALISADES PLANT SECTICN CHIEF 00-;257 O
FROM R H KRICH, PALISADES CCI VICE-PRESIDENT, NUCLEAR OPERATIONS, P-26=1178 O
NUCLEAR LICENSING ADMINISTRATOR, P-24-614B (1) THIS CONFIRMS PROMPT NCTIFICATION CF AN CCCURRENCE REPCRTABLE PER O
T.S. 6 9 2.A(e).
CURING THE PALISADES FSAR UPDATE PRCCESS, REVIEWERS DISCOVERED THAT THE CURRENT RESULTING FROM A SHORT= CIRCUIT IN THE 125 V DC SYSTEM aILL RESULT IN THE TEMPERATURE OF THE ASSOCIATED CONDUCTORS EXCEEDING TFE VALUE SPECIFIED IN THE PALISACES PLANT FSAR, g
Q @me@SECTION 8.5.2.3 THIS CONCITION RESULTED FRCM TFE INSTALLATION, IN bo 1981, OF LARGER CAPACITY STATION BATTERIES.
THIS DISCREPANCY WAS O 88 REVIEWED ON JULY 19, 1983, AT 1u00, AND DETERMINED TC BE REPCRTABLE g
(DC AS tv NOTED ABCVE. OPERABILITY OF THE CC SYSTEM, DURING NORHAL AND ACCIDENT Q Q6 CONDITIONS, REMAINS UNAFFECTED BY THIS DISCREPANCY SINCE TFE DESIGN 00 LOAD CURRENT DOES NOT RESULT IN UNNACCEPTABLE CONDUCTOR TEMPERATURES 5
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THE POTENTIAL CONSEQUENCES OF THIS CONDITION ARE BEING EVALUATED.
SQ @g NOTIFICATION TO THE PALISACES RESIDENT INSPECTOR WAS MADE CN JULY 19, 9
gm 1983 AT 1545 (2) THIS CONFIRMS PROMPT NCTIFICATION CF AN CCCURRENCE REPCRTABLE PER
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ON JULY 19, 1983, AT 2001, A SAMPLE FRCH T=820 Or (0 SAFETY INJECTION TANK) SH0nED BCRON CONCENTRATION TO BE 1718 PPM WHICH IS BELOW THE T.S. LIPIT OF 1720 RPM BORON.
T=820 BORON CONCENTRA11CN COULO NOT BE RESTORED WITHIN THE ONE HOUR LIMIT CF O
T.S.
3.3.2.A.
AT THE TIME OF THIS OCCURRENCE, TFE PLANT WAS ALREACY e
IN A POWER REDUCTION.
AT 2210, JULY 19, 1983, SIT T=820 WAS RESTORED TO OPERABILITY WITH A BORON CONCENTRATION OF 1730 PPP.
INITIAL O
REPORT hAS MADE VIA THE NRC HOT LINE ON JULY 19, 1983 NOTIFICATICN TO THE NRC RESIDENT INSPECTOR WAS PACE ON JULY 20, 1983 1P TIME 13:52 07/20/83 EDT CONNECT TIME I 93 SECONOS 1434 EST O
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