ML20216J398
| 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
- '
Ctation S.apport Department e
4 Y
GL 92-01, Rev.1, Supp.1 PECO NUCLEAR ecco ee ov ce,eneev A Unit of PECO Energy
$aynoIr!kYE7 sNi I
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
{l Regulatory Commission (USNRC), dciad August 3,1998
- 4) Letter from G. D. Edwards (PECO Energy) to U. S. Nuclear OegQ Regulatory Commission (USNRC), dated November 24, 1998 g
'k
Dear Sir / Madam:
O 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 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
USNRC Database Value-Cu%.050 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".
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
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(-'
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 this f f k day l
of 99.
%OM 1Ndaiy Fu[uig,g Carol A.Wahon, Notar/ utec P
MyCa eston 5'xpt Nay Morntner, PenrayNana Assoostion a Nolanes
,