ML13119A133

Responses to RAI Set #23 and Amendment 23 to the Callaway LRA

ML13119A133
Person / Time
Site:	Callaway
Issue date:	04/26/2013
From:	Kanuckel L H Ameren Missouri, Union Electric Co
To:	Office of Nuclear Reactor Regulation, Document Control Desk
Shared Package
ML131190229	List: ML13119A133 ML13119A136 ULNRC-05979, Enclosure 2 to ULNRC-05979, Amendment 23, LRA Changes from RAI Responses and Commitment Updates Enclosure 2 Summary Table
References
ULNRC-05979, TAC ME7708
Download: ML13119A133 (4)

Text

WAmeren MISSOURI Callaway Plant **************************************************************************************************************************************************************************************************************************************************

April 26, 2013 ULNRC-05979 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Ladies and Gentlemen:

10 CFR 2.101 10 CFR 2.109(b) 10 CFR 50.4 10 CFR 50.30 10 CFR 51.53(c) 10 CFR 54 DOCKET NUMBER 50-483 CALLA WAY PLANT UNIT 1 UNION ELECTRIC CO. FACILITY OPERATING LICENSE NPF-30 RESPONSES TO RAI SET #23

References:

1) ULNRC-05830 dated December 15, 2011 2) NRC Letter, "Request for Additional Information for the Review of the Callaway Plant, Unit 1 License Renewal Application, Set 23 {TAC No. ME7708)," dated March 26,2013. By the Reference 1 letter, Union Electric Company (Ameren Missouri) submitted a license renewal application (LRA) for Callaway Plant Unit 1. Reference 2 dated March 26, 2013 transmitted the twenty-third Request for Additional Information (RAI) related to our application.

Enclosure 1 contains Ameren Missouri's responses to the individual requests contained in the March 26, 2013 RAI. Enclosure 2 contains LRA Amendment 23 to reflect changes made as a result of the RAI responses.

Enclosure 2 also contains updates to the following seven (7) commitments in LRA Table A4-1, with related updates to LRA Sections A1, B1.3, and Bl.4: PO Box 620 Fulton, MD 65251 AmerenMissouri.com ULNRC-05979 April 26, 2013 Page2 o Item # 1 has been completed.

Callaway procedures have been revised to apply the elements of corrective actions, confrrmation process, and administrative controls of the Callaway Plant Quality Assurance program to those nonsafety-related SSCs requiring aging management.

o Item #2 has been completed.

The Callaway operating experience review process and Corrective Action Program were previously revised to perform reviews of plant-specific and industry operating experience consistent with LR-ISG-2011-05.

Training on the program and process revisions is now complete.

o Item #4 for MRP-227-A Safety Evaluation Applicant/Licensee Action Item #8 Item #5 implementation schedule has been revised to indicate that the Fatigue Monitoring program will evaluate the effects of the reactor coolant system water environment on the reactor vessel internal components with existing fatigue CUF analyses.

This enhancement will be completed no later than six months prior to the period of extended operation.

o Item #31 has been revised to include LRA Table A4-1 Item #37 and Item #38. o Item #37 for the inclusion of the non-NUREG/CR-6260 locations with an EAF CUF (Uen) greater than 1.0 is now included in LRA Table A4-1 Item #31. o Item #38 to limit the number of the most severe RCP component cooling water transient, i.e., elevated CCW inlet temperature transients, to 7 5 percent of its design value is now included in LRA Table A4-1 Item #31. o Item #39 implementation schedule has been revised to indicate that the NFPA-805 and LRA gap analysis will be completed thirty (30) days after the final NFPA-805 Safety Evaluation Report is issued. If you have any questions with regard to these RAI responses, or Amendment 23, please contact me at (573) 823-9286 or Ms. Sarah Kovaleski at (314) 225-1134.

I declare under penalty of perjury that the foregoing is true and correct. Sincerely, Executed on: Apri \ 2 (, 1 2013 Les H. Kanuckel Director Engineering Design DS/SGK/nls*

Enclosures:

1) Request for Additional Information (RAI) Set #23 Responses

2) Amendment 23, LRA Changes from RAI Responses and Commitment Updates ULNRC-05979 April 26, 2013 Page 3 cc: U.S. Nuclear Regulatory Commission (Original)

Attn: Document Control Desk Washington, DC 20555-0001 Mr. Arthur T. Howell Regional Administrator U.S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. Samuel Cuadrado De Jesus Project Branch I Division of License Renewal Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-11Fl Washington, DC 20555 Mr. Fred Lyon Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8Bl Washington, DC 20555-2738 Mr. Gregory A. Pick U.S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 ULNRC-05979 April 26, 2013 Page4 Index and send hardcopy to QA File A160.0761 Hardcopy:

Certrec Corporation 4150 International Plaza Suite 820 Fort Worth, TX 76109 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)

Electronic distribution for the following can be made via Tech Spec ULNRC Distribution:

A. C. Heflin F. M. Diya C. 0. Reasoner III B.L.Cox L. H. Graessle J. S. Geyer S. A. Maglio R. Holmes-Bobo NSRB Secretary L. H. Kanuckel M. A McLachlan G. S. Kremer S. G. Kovaleski T. B. Elwood G. G. Yates E. Blocher (STARS PAM COB) STARS Regulatory Affairs Mr. John O'Neill (Pillsbury Winthrop Shaw Pittman LLP) Missouri Public Service Commission Ms. Leanne Tippett Mosby (DNR)