ML19210B425
| ML19210B425 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 03/13/1978 |
| From: | Herbein J METROPOLITAN EDISON CO. |
| To: | Reid R Office of Nuclear Reactor Regulation |
| References | |
| GQL-0360, GQL-360, NUDOCS 7911080641 | |
| Download: ML19210B425 (3) | |
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FEGULATORY INFORt1ATION DISTRIBOTION SYSTEM (RIDS 1 DISTRIEUTION FOR INCOMING MATERIAL 50-289 FEC: REID R W ORG: HEREEIN J G DOCDATE: 03/13/75 NRC NETROPOL EDISON DATE RCVD: OS/16'7?
DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED
SUBJECT:
LTR 1 ENCL 40 ADDITIONAL INFO WITH RESPECT TO TECH 9PEC EHANGE PEOUEST NO.
72, CYCLE O H
EXTENSION.
PLANT NAN 5.: THREE MILE ISLAND - UNIT 1 REVIEWER INITIAL:
XF9 DISTRIBUTOR INITIAL: 0L
- + + + + + + + + + - + + + + - + - + +
- DISTRIBUTION OF THIS MATERIAL I S A S FO L L O WS * * * * * * * * * * * * * * -* * + ->
GENERAL DISTRIEUTION FOR AFTER ISSUANCE OF OPERATING LICENSE.
(DISTRIBUTION CODE AOO1)
FOR ACTION:
BR CHI =c m n**W/7 ENCL INTERNAL:
REG FILE **W/
T NRC PDR**W/ ENCL
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u OELD**LTR ONLY HANAUER**W/ ENCL CHECK **W/ ENCL EISENHUT**W/ ENCL SHAO**W/ ENCL BAER**W/ ENCL BUTLER **W/rCL GRIMES **W/ ENCL J COLLINS *4./ ENCL J.
NCGOUGH**W/ ENCL EXTERNAL:
LPDR'S HARRISBURG, PA**W/ ENCL TIC **W/ ENCL NSIC**W/ ENCL ACPS CAT B**W/16 ENCL 1584 013 DISTRIElJTION:
LTR 40 ENCL $9 CONTPOL NER:
7907i0202 312E: 1P+1P
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n METROPOLITAN EDISON COMPANY POST OFFICE BOX 542 READING, PENNSYLVANI A 19603 TELEPHONE 215 - 9 3 3601 March 13, 1978 GQL 0360 Director of Nuclear Reactor Regulation Attn:
Mr. R. W. Reid, Chief Operating Reactors Branch :To. L U. S. Nucleat-Regulatory Cc= mission Washingten, D. C.
20555
Dear Sir:
Three Mile Island Nuclear Station, Unit 1 (TMI-1)
~ 's Operating License No. DPR-50 Docket No. 50-239 Cycle 3 Extension Metropolitan Edison Company letter of March 1, 1978, GQL 0337, submitted auditional information with respect to Technical Specification Change Re-quest No. 72, Cycle 3 Extension.
It has been noted that en Page 11 of the above submittal the Doppler coeff,10-5 Ak/k/cy (EOL) for Cycle 3 2 315 EFPD's was shown as
.152.
The correct value is -1.52.
Enclosed please find forty (h0) copies of revised Page 11.
91ncerely, J. G. Herbein Vice President-Generation JCH:PJS:cj g Enclosure 00 I 9, p
i 1584 014
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COMPARISON OF KEY ACCIDE:IT A iD TR."JISII:!T PAPJJ Z ERS AFFECTED BY CYCLE 3 E:CE:ISION SAFETY STUDY FOR CYCLE 3 CYCLE 9 8 PAP 1d E ER RELCAD REPCRT 315 EFPD's
-5 Doppler coeff, 10 Ak/k/ F (EOL)
-1.33
-1.52 M0derator coeff,10- Ak/k/ F (EOL)
-3.0
-2.60 All rod group vorth, 5Ak/k, HZP 10.0 8.72 l
?'a&"- ejected red worth, HZP, 5Ak/k 1.00 0.68 I:axi== dropped rod vorth, HFP, 5Ak/k 0.h6 less than 0.20 Maxi== stuck rod vorth, HZP, EOC, %Ak/k 2.1 2.07 l
lIini=um shutdown margin, HZP, %Ak/k 1.0 greater than 1.4 Revised: 3/2/78 11 1584 015