ML20085E797
| ML20085E797 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 10/30/1975 |
| From: | Elward T, Slade G CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Baker K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 8308160589 | |
| Download: ML20085E797 (1) | |
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- JECT DALISADES PLANT-3 IMDRODER CONVERSION OF FLUX TO POWER BY THE INCA POWE' DISTRIBUTION E
inIS TWX IS SE!!T TO FOLLOW UP MY CONVERSATION WITH K R BAKER ON.
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!E AFTE*? 00N OF OCTOBER 29, 1975.
IT HAS NOT YET BEEN DETERMINED
!;d I THE STPICT DEFINITION FOR AN ABNORMAL OCCURRENCE INCLUDES THIS TY E OF OCCU'tRENCE.
HOWEVER, UNTIL WE CAN SHOW THAT IT CLEARLY IS i..;! AN A3 NORMAL OCCURRENCE, WE WILL CONTINUE TO TREAT IT AS IF IT CRE.
A 4FRIME CONSTANT IS USED TO CONVERT INCORE MILLIVOLT INFORMATION 5
I;sTJ P06.'E' INFORMATION. WP.'!IME IS A FUNCTION OF BURNUP. EIGHT
- IFFE*ENT 'JPPIMES ARE USED FOR THE VARIOUS FUEL TYPES AND RADIAL P;3IIIONS IN THE DALISADES CORE.
IT WAS DETERMINED ON OCTOBER 29, E
- ,GDE ON JUNE 19, in AT 149.' MOU*S THAT IMPROPER WPRIMES WERE ENTERED INTO THE INCA 1973 C
lum t!:CE THE ADMIL 1975 STA*T-UP THE ERROR AS A RESULf 0F ERRONEOUS
' F'IMES HAS DEEN CONSERVATIVE KIE, HIGHER THAN ACTUAL HEAT RA,TES G
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.ERE CALCULATED FOR THE CORE LIMITING ASSEMBLIES). ON OCTOBER 29 13 n, IT VAS DETERMINED THAT FOR JUNE 1973 THE INTERCHANGED WPRIME
'11 CUF9ES RESULTED IN A NON-CONSERVATIVE HEAT MATE BEING CALCULATED Fo) THE CORE LIMITIN3 ASSEMBLIES. THIS RESULTED IN SETTING A CORE HEAT MATE LIMIT-WHICH VAS 2 PERCENT LARGER THAN IT SHOULD HAVE BEEN.
E i10RE DETAILED INFORMATION WILL FOLLOW WITH SPECIFIC CURVES AND CALCULATIONS.
4 3 B SLADE/T V ELVARD PALISADES PLANT 3
CONSUMERS POVER COMPANY C34 N
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