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MONTHYEARAEP-NRC-2009-18, License Amendment Request for Adoption TSTF-511, Revision 0, Eliminate Working Hour Restrictions from TS 5.2.2 to Support Compliance with 10 CFR Part 262009-03-19019 March 2009 License Amendment Request for Adoption TSTF-511, Revision 0, Eliminate Working Hour Restrictions from TS 5.2.2 to Support Compliance with 10 CFR Part 26 Project stage: Request AEP-NRC-2009-25, Small Break Loss-of-Coolant Accident Evaluation Model Reanalysis2009-03-30030 March 2009 Small Break Loss-of-Coolant Accident Evaluation Model Reanalysis Project stage: Request ML0911700962009-04-27027 April 2009 E-mail Transmitting Acceptance Review of License Amendment Request Regarding Large Break Loss-of-Coolant Accident Analysis Methodology Project stage: Acceptance Review ML0919802662009-07-17017 July 2009 Draft RAIs for License Amendment Request Large Break Loss-of-Coolant Accident Methodology Project stage: Draft RAI ML0919802562009-07-17017 July 2009 E-mail Transmitting Draft Requests for Additional Information Large Break Loss-of-Coolant Accident License Amendment Request Project stage: Draft RAI ML0922400072009-08-11011 August 2009 E-mail Transmitting Revised Draft Requests for Additional Information Large Break LOCA License Amendment Request Project stage: Draft RAI ML0922400112009-08-11011 August 2009 Revised Draft Requests for Additional Information Associated with Large Break LOCA License Amendment Request Project stage: Draft RAI ML0926100292009-09-22022 September 2009 Request for Additional Information License Amendment Request Associated with Large Break LOCA Analysis Methodology Project stage: RAI AEP-NRC-2009-71, Response to Request for Additional Information Regarding a License Amendment Request Associated with the Large-Break Loss-of-Coolant Accident Analysis Methodology2009-11-20020 November 2009 Response to Request for Additional Information Regarding a License Amendment Request Associated with the Large-Break Loss-of-Coolant Accident Analysis Methodology Project stage: Response to RAI ML1000403272010-01-12012 January 2010 Request for Withholding Information from Public Disclosure Project stage: Withholding Request Acceptance ML1017302012010-06-21021 June 2010 Transmitting Draft RAI the Proposed Amendment Concerning Large-Break LOCA Project stage: Draft RAI ML1020305552010-07-22022 July 2010 Revised Draft RAI on Boron Precipitation Analysis for the Proposed Large-Break LOCA Amendment Project stage: Draft RAI ML1029400062010-10-20020 October 2010 Draft Questions Re Boric Acid Precipitation Analysis for the Proposed Large-Break LOCA Amendment Project stage: Draft Approval ML1030505662010-11-0101 November 2010 Draft Request for Additional Information Re. Downcomer Boiling for the Proposed LBLOCA Amendment Project stage: Draft RAI AEP-NRC-2011-15, Response to Second Request for Additional Information Regarding Amendment Request Associated with the Large-Break Loss-of-Coolant Accident Analysis Methodology2011-02-24024 February 2011 Response to Second Request for Additional Information Regarding Amendment Request Associated with the Large-Break Loss-of-Coolant Accident Analysis Methodology Project stage: Request ML1108101032011-03-11011 March 2011 Commitment to Perform Updated Boric Acid Precipitation Analysis for Recirculation Phase of a Postulated Large-Break Loss-Of-coolant Accident Project stage: Other AEP-NRC-2011-25, Change to Proposed Technical Specification Page Regarding Large-Break Loss-Of-Coolant Accident Analysis Approval2011-03-25025 March 2011 Change to Proposed Technical Specification Page Regarding Large-Break Loss-Of-Coolant Accident Analysis Approval Project stage: Other ML1107307832011-03-31031 March 2011 (CNP-2)-Issuance of Amendment No. 297 Re. Large-Break Loss-of-Coolant Accident Analysis Project stage: Approval ML11083A0332011-04-12012 April 2011 Withholding from Public Disclosure, Westinghouse Reports, D.C. Cook Unit 2 (AMP) Post-LOCA Responses to Request for Additional Information (Rai), & Supplemental Information to Support Informal NRC Audit of 12 . Project stage: RAI ML1114508892011-05-25025 May 2011 Changing a Schedule Conveyed by a Letter Dated 2/24/11 in Support of a Proposed Amendment Regarding the Large-break LOCA Analysis Project stage: Approval AEP-NRC-2011-41, Updated Boric Acid Precipitation Analysis for Recirculation Phase of a Postulated Large-Break Loss-of-Coolant Accident2011-06-30030 June 2011 Updated Boric Acid Precipitation Analysis for Recirculation Phase of a Postulated Large-Break Loss-of-Coolant Accident Project stage: Other ML11193A1462011-07-27027 July 2011 Determines That Submitted Information Dated 6/30/11 Is Proprietary and Is Withheld from Public Disclosure Project stage: Other ML1131202152011-11-0707 November 2011 Inform That TAC ME5865 Will Be Closed and the Issue of Lateral K Factor for LBLOCA Will No Longer Be Pursued Under D. C. Cook Unit 2 Docket Project stage: Other 2010-06-21
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ENDIANA MICHIGAN A unit of American Electric Power Indiana Michigan Power One Cook Place Bridgman, MI 49106 IndianaMichiganPower.com March 11,2011 AEP-NRC-2011-21 10 CFR 50.90 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001
SUBJECT:
References:
Donald C. Cook Nuclear Plant Unit 2 Docket No. 50-316
. Commitment to Perform Updated Boric Acid Precipitation Analysis for Recirculation Phase of a Postulated Large-Break Loss-Of-Coolant Accident (TAC No. ME1017)
Letter from L. J. Weber, Indiana Michigan Power Company (I&M), to U.S.
Nuclear Regulatory Commission (NRC)
Document Control
- Desk, "Donald C. Cook Nuclear Plant Unit 2, Docket No. 50-316, License Amendment Request Regarding Large Break Loss-of-Coolant Accident Analysis Methodology," AEP-NRC-2009-23, dated March 19, 2009 (ADAMS Accession Number ML090930453).
Dear Sir or Madam:
By the referenced letter, Indiana Michigan Power Company (I&M) proposed to amend Appendix A, Technical Specifications, to the Donald C. Cook Nuclear Plant (CNP) Unit 2 Facility Operating License, DPR-74. I&M requested NRC approval to adopt a new analysis for the injection phase of a postulated large break loss-of-coolant accident (LBLOCA) for CNP Unit 2, and proposed to modify the associated Technical Specifications.
In a telephone discussion with members of the Nuclear Regulatory Commission staff on March 7, 2011, I&M committed to perform an updated analysis of the potential for boric acid precipitation to occur during the recirculation phase of a postulated LBLOCA, and transmit a summary of the analysis to the NRC no later than June 30, 2011. This letter documents that commitment. to this letter provides an affirmation statement. provides I&M's commitment in.tabular format. Copies of this letter and its enclosures are being transmitted to the Michigan Public Service Commission and the Michigan Department of Natural Resources and Environment, in accordance with the requirements of 10 CFR 50.91.
Should you have any questions, please contact Mr. Michael K. Scarpello, Regulatory Affairs Manager, at (269) 466-2649.
- , 'i.,., *.., -:: :". '.' ',i ii!' i ;:A O-Q-
U. S. Nuclear Regulatory Commission Page 2 AEP-NRC-2011-21 Sincerely, Joel P. Gebbie Site Vice President JRW/jmr
Enclosures:
1.
2.
Affirmation Regulatory Commitment c:
J. T. King, MPSC S. M. Krawec, Ft. Wayne AEP, w/o enclosures MDNRE - WHMD/RPS NRC Resident Inspector M. A. Satorius, NRC Region III P. S. Tam, NRC, Washington DC to AEP-NRC-2011-21 AFFIRMATION I, Joel P. Gebbie, being duly sworn, state that I am Site Vice President of Indiana Michigan Power Company (I&M), that I am authorized to sign and file this request with the Nuclear Regulatory Commission on behalf of I&M, and that the statements made and the matters set forth herein pertaining to I&M are true and correct to the best of my knowledge, information, and belief.
Indiana Michigan Power Company Joel P. Gebbie Site Vice President SWORN TO AND SUBSCRIBED BEFORE ME THIS I I, DAYOF l*fCh
,2011
"- 1`401ary-Public My Commission Expires
ATTACHMENT 2 TO AEP-NRC-2011-21 REGULATORY COMMITMENT The following table identifies those actions committed to by Indiana Michigan Power Company (I&M) in this document. Any other actions discussed in this submittal represent intended or planned actions by I&M. They are described to the Nuclear Regulatory Commission (NRC) for the NRC's information and are not regulatory commitments.
Commitment, Date Indiana Michigan Power Company will perform an updated analysis of No later than the potential for boric acid precipitation to occur during the recirculation June 30, 2011 phase of a postulated large break loss-of-coolant accident, and transmit a summary of the analysis to the NRC.