ML14127A150
| ML14127A150 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 05/06/2014 |
| From: | Kovaleski S Ameren Missouri |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML14127A149 | List: |
| References | |
| ULNRC-06118 | |
| Download: ML14127A150 (4) | |
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WAmeren MISSOURI Callaway Plant May 6, 2014 ULNRC-06118 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 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO.
FACILITY OPERATING LICENSE NPF-30 AMENDMENT 35 TO THE CALLA WAY LRA
References:
- 1) ULNRC-05830 dated December 15, 2011
- 2) ULNRC-06117 dated April23, 2014 By the Reference 1letter, Union Electric Company (Ameren Missouri) submitted a license renewal application (LRA) for Callaway Plant Unit 1. Enclosure 1 contains clarified responses to RAis 3.0.3-2a (loss of coating integrity) and 3.3.2-2a (submerged bolting) which were originally provided in Reference 2.
The response to RAI 3.3.2-2a also includes an update to Item 5 of Table A4-1, License Renewal Commitments. contains LRA Amendment 35, which includes updates to the following items in our application:
a) Revised the Structures Monitoring program (B2.1.31) to include reinforced concrete structures in the Circulating Water System as a part of the cooling tower basin in miscellaneous in-scope structures. Concrete structures in the turbine building that provide a flowpath for the circulating water system that were previously managed by RG 1.127 Inspection of Water Control Structures Associated with Nuclear Power Plants program (B2.1.32) have been revised to be managed by the Structures Monitoring program (B2.1.31 ). This change includes updates to Items 23 and 45 of Table A4-1, License Renewal Commitments.
PO Box 620 Fulton, MD 65251 AmerenMissouri.com STARS ~
Alliance
ULNRC-06118 May 6, 2014 Page2 b) LRA Section 4.7.3 has been revised to incorporate a new revision to the calculation for the corrosion analysis of the reactor vessel cladding indication. The TLAA disposition has been changed from validation to aging management as a result of the calculation revision. This change includes a new Item 46 on Table A4-1, License Renewal Commitments.
c) Revised commitment to perform non-intrusive pipe wall thickness measurements every three years in the Fire Water System program (B2.1.14). Refer to Item 10 of Table A4-1, License Renewal Commitments.
d) Revised the Structures Monitoring program (B2.1.31) to add the nitrogen tank foundation and pipe trench as miscellaneous in-scope structures. These were also added to Item 23 of Table A4-1, License Renewal Commitments.
As noted above, there are four (4) changes to commitments and one (1) new commitment contained in this transmittal.
If you have any questions with regard to this RAI response supplement, please contact me at (573) 489-9435 or Roger Wink at (314) 225-1561.
I declare under penalty of perjury that the foregoing is true and correct.
Sincerely, Executed on:
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Sarah Kovaleski Director, Engineering Design DS/nls
Enclosure:
- 1) Updated RAI Responses
- 2) Amendment 35, LRA Changes
ULNRC-06118 May 6, 2014 Page 3 cc:
Mr. Marc L. Dapas 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. John Daily, Senior Project Manager Project Branch 1 Division of License Renewal Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-11F1 Washington, DC 20555 Mr. Fred Lyon Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8B 1 Washington, DC 20555-2738 Mr. Gregory A. Pick U.S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511
ULNRC-06118 May 6, 2014 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:
F. M. Diya D. W. Neterer L. H. Graessle B.L.Cox M. A. McLachlan G. S. Kremer S. G. Kovaleski J. S. Geyer S.M. Maglio T. B. Elwood Corporate Communications NSRB Secretary B. C. Daniels R. C. Wink STARS Regulatory Affairs Mr. John O'Neill (Pillsbury Winthrop Shaw Pittman LLP)
Missouri Public Service Commission Ms. Leanne Tippett-Mosby (DNR)