ML20002D111
| ML20002D111 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 03/08/1965 |
| From: | Haueter R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Boyd R, Doan R US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 8101190461 | |
| Download: ML20002D111 (4) | |
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CONSUMERS POWER COMPANY U.S. t.TCMIC Et:Ei,tY C0tti.
PARNELL ROAD BUILDING TWXUL JACKSON, MICHIGAN MARCH 8,19 65 2-45 PM TO - DR. R. L. DOAN, DIRECTOR DIVISION OF REACTOR LICENSING UNITED STATES ATOMIC ENERGY C0f'"
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ATTN - MR. ROGER S. BOYD USAEC p
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i AS A RESULT OF RECENT DISCUSSIONS WITH YOUR STAFF CUR REQUEST FOR CHANGES TO THE BIG ROCK POINT TECHNICAL SPECIFICAT AND FURTHER SUPPORTING INFORMATION TRANSMITT DATED JANUARY 13, 19 65 BY 11X ON MARCb 2,'1965, THE FOLLOWING ADDITIONAL INFORMATION IS l
SUBMITTED -
THE STARTUP ACCIDENT ASSUMPTIONS USED IN THE T 1.
CONSERVATIhE, EVEN FOR THE PROPOSED LOW SOURCE LEVEL STARTUP.
CONDITIONS FOR THREE CASES - THSR "CCIDENT ANALYSIS, PREVIOUS 84 BUNDLE CORE OPERATION AND PROPOSED 82 BUNDLE CORE OP LOW SOURCE LEVEL ARE AS FOLLOWS -
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THSR - CORE POWER IS ASSUMED TO BE EL WORST CASE OT ONE R0D TULL OUT GIVE RATD WITH ALL RODS IN.CRITICALITT ASSUMED DURING CONTIN
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DECADES BELOW RATED.
E WORST R0D WHICM IS 3.9 PERCENT DELTA E.
PREVIOUS SA BUNDLE CORE - TULLT $NV WORST CASE OF ONE 888 FEL act l
TIMES TEM To TME NINWS NINTN OF BATED.
IFT ST GIVIS CORE POWER 0F TWO TIMES YEW to TME l
D CRITICALITY ASSUMID DURING CONTINUOU I
0.96.
WHICH IS 3.A FERCENT DELTA E.
52 BUNDLE CORI, LOW SOURCE LEVEL - TULLT SMU 50tST CASE OT LEVEL IS ONE TIMES TEN TO TWE MINUS NINTN ST RAT US WINTM StE ROD T*lLL SUT GITES CORI POWER 0F TOU CRITICALITT ASSUMD DURING CONTINU0 AND E D 3F 0 99.
W WORST R03 ERICE IS 3.A FERCENT DELTA E.
l FRON TNE A30VE IT CAN RE SEEN TNAT IP RI WELL WITNIN TWE ASSUMPTIONS USD IN FNSI ACCIDENT WOULD RE SISNITICANTLT LES ANALYSIS.
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TNE SHUTDOWN K OT 4.951 IS THE LATEST C 2.
THE PLANNED 82 BUNDLE CORE.
3 IIGHT THE 2IRCALOY TWO CONTENT OF PLANNED CORE l
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l 85 21RCALOY BUNDLES AND 88 ZIRCALOT CRANNE PERCENT CONTAIMED IN CHANNELS.
THE 21RCALOT TWO CONTENT OT TUTURE CORE PERCIr1 BUNDLES AND 85 21RCALOT CHANNELS IS 12,@0 POUNDS WITN 3 ODNTAIHED IN CHANNELS.
ROBERT L. NAUETER ASST ELECTRIC PROD. SUPT - NUCLEAR DD WL REC OME TKS DA g.gg R.
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