ML19210B425

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Forwards Corrections to 780301 (Gql 0337) Tech Spec Change Request 72 to OL DPR-50,App a Re Cycle 3 Extension
ML19210B425
Person / Time
Site: Three Mile Island Constellation icon.png
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)


Text

-*Oh Y.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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./ 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:

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-Mit KA #40GM15 f: 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 0 I 9, p i 1584 014"=**s

-.' .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 2.07llIini=um shutdown margin, HZP, %Ak/k 1.0 greater than 1.4 Revised: 3/2/78 11 1584 015