ML20216J398

Submits Comments for Lgs,Unit 1 & Pbaps,Units 2 & 3 Rvid,Rev 2,based on Review as Requested in GL 92-01,rev 1,suppl 1, Reactor Vessel Structural Integrity

ML20216J398
Person / Time
Site:	Peach Bottom, Limerick
Issue date:	09/29/1999
From:	Hutton J PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-92-01, NUDOCS 9910050096
Download: ML20216J398 (4)

Text

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e . Ctation S.apport Department 4

Y GL 92-01, Rev.1, Supp.1 PECO NUCLEAR ecco ee ov ce,eneev A Unit of PECO Energy $aynoIr!kYE7I sNi September 29,1999 Docket Nos. 50-277 50-278 50-352 50-353 i License Nos. DPR-44  !

DPR-56 NPF-39 NPF-85 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

SUBJECT:

Peach Bottom Atomic Power Station, Units 2 and 3 Limerick Generating Station, Units 1 and 2 Response to Request for Additional information concerning Generic Letter 92-01, Revision 1, Supplement 1, " Reactor Vessel Structural Integrity"

REFERENCES:

1) Letter from B. C. Buckley, U. S. Nuclear Regulatory Commission (USNRC), to J. A. Hutton (PECO Energy),

dated August 10,1999

2) Letter from B. C. Buckley, U. S. Nuclear Regulatory Commission (USNRC), to J. A. Hutton (PECO Energy),

dated August 13,1999

3) Letter from G. D. Edwards (PECO Energy) to U. S. Nuclear Regulatory Commission (USNRC), dciad August 3,1998

4) Letter from G. D. Edwards (PECO Energy) to U. S. Nuclear {l OegQ Regulatory Commission (USNRC), dated November 24, 1998 g O

'k

Dear Sir / Madam:

in the Reference 1 and 2 letters, you requested that PECO Energy Company review the Reactor Vessel Integrity Database (RVID), Version 2 and provide any comments. Discussions between PECO Energy Licensing personnel and the 99100500 % %

jDR ADOCK 05000277 PDR-

Srptember 29,1999 Paga 2 l USNRC Project Manager resulted in an agreement that the database reviews be completed and any corrections submitted to the USNRC by October 1,1999.

l Based on our review, PECO Energy Company has the following comments for the Limerick Generating Station, Unit 1 and Peach Bottom Atomic Power Station, Units 2 and 3 RVID, Revision 2:

Limerick Generatina Station. Unit 1:

)

l

1. Heat ID - 1P4218 {

USNRC Database Value - Cu% .060 Correct Value - Cu% .053 l l

This results in a revised margin value of 40.1 F (instead of 45.5 F); a revised Chemistry Factor of 72.2 F (instead of 82.00 F); and a revised RTndt @ EOL of 30.1 F (instead of 41.0 F).

2. Heat ID - S3986 I i

USNRC Database Value-Cu% .050 l Correct Value - Cu% .054 '

USNRC Value - Ni% .920 Correct Value - Ni% .969 This results in a revised margin value of 40.8 F(instead of 37.7 F); a revised Chemistry Factor of 73.6 F (instead of 68.00 F); and a revised RTndt @

l EOL of 39.7 F (instead of 33.4 F).

l The above corrected values were previously provided to the USNRC in the Reference 3 letter concerning Generic Letter 92-01, Revision 1, Supplement 1,

" Reactor Vessel Structural Integrity".

Peach Bottom Atomic Power Station. Unit 2:

1. Heat ID - 37C065 USNRC value - Margin Term - 37.0 F Correct Value - Margin Term - 49.4 F This results in'a revised RTndt @ EOL of 41.4 F (instead of 29.0 F).

Peach Bottom Atomic Power Station. Unit 3:

!~ . .

S:ptember 29,1999 l . Pag 3 3 I

.1. ' Heat ID - 37C065  !

USNRC value - Margin Term - 35.0 F l Correct Value - Margin Term - 48.1 F l

This results in a revised RTndt @ EOL of 38.2 F (instead of 25.0 F).

The corrected values above were previously provided to the USNRC in the Reference 4 letter concerning Generic Letter 92-01, Revision 1, Supplement 1,

" Reactor Vessel Structural Integrity". 1 if you have any questions, please contact us.

Very truly yours,

' M//

l/ % -

mes A. Hutton  ;

irector - Licensing

Enclosure:

Affidavit cc: H. J. Miller, Administrator, Region I, USNRC A. C. McMurtray, USNRC Senior Resident inspector, PBAPS A. L. Burritt, USNRC Senior Resident inspector, LGS l

1 i

.. ., -. ? -- '

(-'

COMMONWEALTH OF PENNSYLVANIA:

ss.

COUNTY OF CHESTER  :

- J. J. Hagan, being first duly sworn, deposes and says:

That he is Senior Vice President of PECO Energy Company; that he has read the foregoing letter concerning Generic Letter 92-01, Revision 1, Supplement 1, for Peach Bottom Facility Operating Licenses DPR-44 and DPR--

56, and Limerick Facility Operating Licenses NPF-39 and NPF-85, and knows the contents thereof; and that the statements and matters set forth therein are true and correct to the best of his knowledge, information and belief.

& /

w enior ice President Subscribed and s "om to before me thisl f f k day of 99.

%OM .

1Ndaiy Fu[uig,g Carol A.Wahon, Notar/Putec MyCa eston 5'xpt Nay Morntner, PenrayNana Assoostion a Nolanes

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