ML20210T019
| ML20210T019 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 08/28/1997 |
| From: | Chandu Patel NRC (Affiliation Not Assigned) |
| To: | Dugger C ENTERGY OPERATIONS, INC. |
| References | |
| GL-92-01, GL-92-1, TAC-M92747, NUDOCS 9709120257 | |
| Download: ML20210T019 (4) | |
Text
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UNITED STATES
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NUCLEAR REC.ULATURY COMMISSisN p
WASHINGTON, D.C. 30006-0001 e..,*
August 28, 1997
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i Mr. Charles M. Dugger Vice President Operations Entergy Operations, Inc.
P. O. Box B K111ona, LA 70066 l
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SUBJECT:
CLOSEOUT FOR ENTERGY OPERATIONS, INC. RESPONSE TO GENERIC LETTER 92-01, REVISION 1, SUPPLEMENT 1 FOR THE WATERFORD STEAM ELECTRIC STATION, UNIT 3 (TAC HO. M92747)
Dear Mr. Dugger:
On May 19, 1995, the Nuclear Regulatory Commission (NRW issued Generic Letter (GL) 92-01, Revision 1, Supplement 1 (GL 92-01, Rev.1, Supp.1), " Reactor Vessel Structural Integrity."
In GL 92-01, Rev. 1, Supp. 1, the NRC requested that nuclear licensees perform a review of their reactor pressure vessel structural integrity assessments in order "to identify, collect, and report any new data pertinent to [the] analysis of [the] structural integrity of their reactor pressure vessels (RPVs) and to assess the impact of that data on their RPV integrity analyses relative to the requirements of Section 50.60 of Title 10 of the Code of federal Regulatfons (10 CFR 50.60,10 CFR 50.61, A)pendices G and H to 10 CFR Part 50 (which encompass pres)surized thermal s
slock (PTS) and upper shelf energy (USE) evaluations), and any potential l
impact on low temperature overpressure (LTOP) limits or pressure-temperature (P-T) limits."
')
More specifically, in GL 92-01, Rev.1, Supp.1, the NRC requested that I
addressees provide the following information in their responses:
(1) a description of those actions taken or planned to locate all data relevant to the determination of RPV integrity, or an explanation of why the existing data base is considered complete as previously submitted; (2) an assessment of any change in best-estimate chemistry based on consideration of all relevant data; (3) a determination of the need for the use of the ratio procedure in accordance with the established Position 2.1 of RG 1.99, Revision 2, for those licensees that use surveillance data to provide a basis for the RPV integrity evaluation; and (4) a written report providing any newly acquired data as specified above and (1) the results of any necessary revisions to the evaluations of RPV integrity in accordance with the requirements of 10 CFR 50.60, 10 CFR 50.61, Appendices G and H to 10 CFR Part 50, and any potential impact on the LTOP and P-T limits in the technical specifications, or (2) a certification that previously submitted evaluations remain valid.
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- F 188 u 8I888 6 EPL ELE CENTER COPY P
O Mr. Charles M. Dugger Revised evaluations and certifications were to include consideration of Position 2.1 of RG 1.99, Revision 2, as applicable, and any new data. The i
information in Re;)orting Item (1) was to be submitted within 90 days of the l
issuance of the G. The information in Reporting Items (2) - (4) was to be submitted within 6 months of the issuance of the GL.
The NRC staff has noted that Entergy Operations, Inc. submitted the information requested in Re)orting Item (1) on August 17, 1995, and indicated that information requested )y Reporting Items (2) - (4) will be provided after February 17, 1997. By February 17, 1997, letter you supplemented your response to the GL, Your response indicates that Entergy Operations, Inc. has performed some additional reviews of the pertinent Owners Group databases and made some changes in data regarding the best-estimate chemistries for the RP" materials and surveillance capsules at the Waterford 3 Station.
Since Entergy 0)erations, Inc. has submitted the requested information and has indicated t1at the previously submitted evaluations remain valid, the staff considers the RPV integrity data for the Waterford 3 to be complete at this time. The staff therefore, concludes that no additional information regarding the structural integrity of the RPV at the Waterford 3 is available at this time, and that your efforts regarding GL 92-01, Rev. 1 Supp. I are complete. This completes all actions related to the referenced TAC No.
The staff has also noted that you are waiting for some of the Owners Groups' Reactor Vessel Working Groups to complete review and validation activities to establish a comprehensive RPV information database. We request that-you provide us any changes that affect the results and conclusions relative to your plant. When you provide this information, the staff may open a plant-specific TAC No. for its review.
Sincerely, h0f Chandu P. Patel, Project Manager Project Directorate IV-1 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket No. 50-382 cc:
See next page
Mr. Charles M. Dugger o I_
Revised evaluations and certifications were to include consideration of Position 2.1 of RG 1.99, Revision 2, as a)plicable, and any new data.
The information in Reporting Item (1) was to )e submitted within 90 days of the j
issuance of the GL. The information in Reporting items (2) - (4) was to be i
submitted within 6 months of the-issuance of the GL.
The NRC staff has'noted that Entergy Operations, Inc. submitted the information requested in Reporting item (1) on August 17, 1995, and indicated that-information requested by Reporting items (2) - (4) will be provided after February 17, 1997.
By February 17,1997,-letter you supplemented your response to the GL.
Your response indicates that Entergy Operations, Inc. has performed some additional reviews of the pertinent Owners Group databases and made some changes in data regarding the best-estimate chemistries for the RPV materials and surveillance capsules at the Waterford 3 Station.
Since Entergy Operations, Inc. has submitted the requested information and has indicated that the previously submitted evaluations remain valid, the staff considers the RPV integrity data for the Waterford 3 to be complete at this time.
The staff therefore, concludes that no additional information regarding the structural integrity of the RPV at the Waterford 3 is available at this time, and that your efforts regarding GL 92-01, Rev.1, Supp. I are complete.
This completes all actions related to the referenced TAC No.
The staff has also noted that you are waiting for some of the Owners Groups' Reactor Vessel Working Groups to complete review and validation activities to establish a comprehen:ive RPV information database.
We request that you provide us any changes that affect the results and conclusions relative to your plant. When you provide this information, the staff may open a plant-specific TAC No. for its review.
Sincerely, Chk k hjectManager Project Directorate IV-1 Division of Reactor Projects Ill/IV Office of Nuclear Reactor Regulation Docket No. 50-382 cc:
See next page DJSTRIBUTION:
Docket. File PUBLIC PD4-1 r/f D. Mcdonald C. Patel W. Beckner' C. Hawes B. Elliot$
T. Gwynn, RIV E. Adensam (EGAl)-
ACRS Document Name: WAT92747.LTR
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)[dd 7 /28/976N COPY /YkSN0 YES/N0 TfhNT YES[ND
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OFFICIAL RECORD COPY
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Mr. Charles M. Dugger o
Entergy Operations, Inc.
Waterford 3 cc:
Administrator Louisiana Radiation Protection Division Regional Administrator, Region IV Post Office Box 82135 U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Baton Rouge, LA 70884-2135 Arlington, TX 76011 Vice President, Operations Resident inspector /Waterford NPS Support Entergy Operations, Inc.
Post Office Box 822 P. O. Box 31995 Killona, LA 70066 Jackson, MS 39286 Parish President Council Director St. Charles Parish P. O. Box 302 Nuclear Safety & RegulAt.ory Affairs Hahnv111e, LA 70057 Entergy Operations Inc.
P. O. Box B Executive Vice-President Killona, LA 70066 and Chief Operating Officer Wise, Carter, Child & Caraway Entergy Operations, Inc.
P. O. Box 651 P. O. Box 31995 Jackson, MS 39286-1995 Jackson, MS 39205 Chairman General Manager Plant Operations Entergy Operations, Inc.
Louisiana Public Service Commission P. O. Box B One American Place, Suite 1630 Baton Rouge, LA 70825-1697 Killena, LA 70066 Licensing Manager i
Entergy Operations, Inc.
P. O. Box B Killona, LA 70066 Winston & Strawn 1400 L Street, N.W.
Washington, DC 20005-3502 h