ML18353A854
| ML18353A854 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 11/03/1975 |
| From: | Elward T, Slade G Consumers Power Co |
| To: | Baker K NRC/RGN-III |
| References | |
| Download: ML18353A854 (2) | |
Text
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2:.~~ P s2r~ r r:sT ~::240C1~30)(1-019205A303lPD 10/30/75 1425 ~ :.. :: 1:0~J ~~::>O'**' !=:r1 J KN ~::c lZ~ -nLY JA~KSO~ MICH. 10/30/75 l*Jn }{ * >~. i1,'\\ X?.fl _*,;~7..,:_~M\\
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1~'JULATORY CO~MISSION (FORMERLY AEC). 7 _,. _, quo s:~ 11i~L T ~~O.'\\ :J -;-1 LY*\\' Tl .,. f *.- __, ~* -..JI- .... \\ ~~jJ~cr-PALISADES PL4NT-IMPP00ER CONVERSION OF FLUX TO POWER BY
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~::r:; 'fl.*JX I*S s~~n-TO FOLLOW UP MY CONVERSATION WITH K R BAKER ON' LE: ArTE11'.'-lOON OF OCTOBER'.29.*. 1975. IT HAS NOT* YET BEEN.DETERMINED TliAT TL(E 3Ti\\ICT DEFINITION FOR AN ABNORMAL OCCURRENCE INCLUDES THIS l '.'l:.. OF' or:currnf:~1CE. l-{0h1EVER. UJ\\JTIL WE CAN SHOW THAT IT CLEARLY IS
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.'13~-JORMAL OCCURRENCE. I/IE WILL _CONTINUE TO TREAT IT AS TF IT 1r:'SRC:. ~ ~~~1~E CO~ST~~T IS USED TO CONVERT INCORE MILLIVOLT INFORMATION I~TJ POWER I~FanM~TIO~. WP~IME IS A FUNCTION OF BURNUP. EIGHT SIF~~RENT ~PRI~ES ARE USED FOR THE VARIOUS FUEL TYPES AND RADIAL PJSITIO~JS TJ. TH~ PAL T.SADES COHE.. IT WAS DETERMINED ON OCTOBER 29. 1)75 AT 140~-~0URS THAT IMPROPER WPRIMES WE~E ENTERED INTO THE INCA 0 ~ l J u ~' ':;'. ' ~ l 9 7 3 ~ _, U '_) L h . 'J ~~ .L.':1 ~ e ':3I~*~c;;::: T:1£ ;\\PRIL 1975 ST~'\\:'?T-UP THE ERROR AS A RESULT OF ERRONEOUS ~?Ri~ES ~~S ~E~~ CbNSE~VATIVE*KIE. HIGHER THAN ACTUAL HEAT RATES ~ER~ ChL~ULAT~D FOR THE CORE LIMITING ASSEMBLIES>. ON OCTOBER 29. ljJj. IT ~AS JET~RMINED THAT 'FOH JUNE 1973 THE INTE~CHANGED WPRIME CURVE:S F~S.ULTl~D TN ~ NON-CONSEi~VATIVE HEAT RATE BEING*CALCULATED
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THIS RESULTED IN SETTING A CORE H'.~Af i\\,~TE LI!'lIT ~.H!ICl-i ~!AS 2 PEHCENT LARGER THAN IT SHOULD HAVE BEEN. ~ 1llJi1t: !"JET,'\\ ILEO HlFORMATION WILL FOLLOW WITH SPECIFIC CURVES AND .. \\ C~'\\u.::~U'\\ rIO~lS. j a SLADE/T ~ EL0ARD f',:\\LIS,'\\Dr.:::; PLMlT 1::u~J~ju:1~:?3 PO';JF.:l~ COMPANY
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I UNITED ST A TES . NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT REGION Ill 799 ROOSEVELT ROAD GLEN ELLYN, ILLINOLS 60137 Incident Notification From: Consumers Power CompanyC-:J (Licensee & Docket No. (or-~J;icense No.) Transmittal Date Distribution: IE Chief, Fc&EB IE:HQ (4) Licensing (4) DR Ceµtral Files IE Files .,I J
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'\\ I' Nb.;,;:;~~Palisades Plant c==~, J I Distribution: IE Chief, FC &EB IE:HQ (4) L:D/D for Fuels & Materials DR Central Files IE Files ~ J r* J.,. __ --'\\'":}}