Letter Sequence RAI |
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TAC:MF5184, Deletion of E BAR Definition and Revision to RCS Specific Activity Tech Spec (Open) TAC:MF5185, Deletion of E BAR Definition and Revision to RCS Specific Activity Tech Spec (Open) |
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MONTHYEARAEP-NRC-2014-65, License Amendment Request to Adopt TSTF-490, Rev. 0, Deletion of E Bar Definition and Revision to Reactor Coolant System Specific Activity Technical Specification, and Implement Full-Scope Alternative Source Term2014-11-14014 November 2014
License Amendment Request to Adopt TSTF-490, Rev. 0, Deletion of E Bar Definition and Revision to Reactor Coolant System Specific Activity Technical Specification, and Implement Full-Scope Alternative Source Term
Project stage: Request
ML14365A0122014-12-30030 December 2014
NRR E-mail Capture - LIC-109 Acceptance Review of D.C.Cook Units 1 and 2 LAR to Adopt TSTF-490, Revision 0, and Implement full-scope AST - MF5184 and MF5185 - Unacceptable with Opportunity to Supplement
Project stage: Acceptance Review
ML14363A4912015-01-16016 January 2015
DC Cook Nuclear Plant, Units 1 and 2 - Supplemental Information Needed for Acceptance of Requested Licensing Action to Adopt TSTF-490, Rev.0, Deletion of E-Bar Definition and Revision to Reactor Coolant System Specific Activity Technical Sp
Project stage: Acceptance Review
AEP-NRC-2015-19, Supplemental Information for the License Amendment Request to Adopt TSTF-490, Rev 0, Deletion of E Bar Definition and Revision to Reactor Coolant System Specific Activity Technical Specification and Implement Full-Scope.2015-02-12012 February 2015
Supplemental Information for the License Amendment Request to Adopt TSTF-490, Rev 0, Deletion of E Bar Definition and Revision to Reactor Coolant System Specific Activity Technical Specification and Implement Full-Scope.
Project stage: Supplement
ML15056A1632015-03-0303 March 2015
DC Cook, Units 1 & 2 - Acceptance of Requested Licensing Action to Adopt TSTF-490, REV.0, Deletion of E-Bar Definition & Revision to Reactor Coolant System Specific Activity Technical Specification & Implement Full-Scope Alternative Source
Project stage: Acceptance Review
ML15112A5052015-04-21021 April 2015
NRR E-mail Capture - D.C. Cook Units 1 and 2 Esgb RAI Concerning LAR to Adopt TSTF-490 and Implement FULL-SCOPE AST (TAC Nos. MF5184 and MF5185)
Project stage: RAI
ML15195A6982015-07-14014 July 2015
NRR E-mail Capture - D.C. Cook Units 1 and 2 - Srxb RAI Concerning LAR to Adopt TSTF-490 and Implement FULL-SCOPE AST (TAC Nos. MF5184 and MF5185)
Project stage: RAI
ML15216A2402015-07-30030 July 2015
NRR E-mail Capture - D.C. Cook Nuclear Plant, Units 1 and 2 - Draft Request for Additional Information TSTF-490 and AST
Project stage: Draft RAI
AEP-NRC-2015-75, Response to Second Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term2015-08-24024 August 2015
Response to Second Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term
Project stage: Request
AEP-NRC-2015-80, Response to Third Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term2015-08-28028 August 2015
Response to Third Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term
Project stage: Request
ML15259A5772015-09-15015 September 2015
NRR E-mail Capture - D.C. Cook Units 1 and 2 - Arcb RAI Concerning LAR to Adopt TSTF-490 and Implement FULL-SCOPE AST (MF5184 and MF5185)
Project stage: RAI
ML15323A4342015-11-16016 November 2015
Response (Part 1) to Fourth Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term
Project stage: Request
AEP-NRC-2016-24, Response to Fifth Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term2016-02-19019 February 2016
Response to Fifth Request for Additional Information Regarding the License Amendment Request to Adopt TSTF-490 and Implement Alternative Source Term
Project stage: Request
2015-04-21
[Table View] |
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Text
NRR-PMDAPEm Resource From: Dietrich, Allison Sent: Tuesday, April 21, 2015 3:37 PM To: hletheridge@aep.com Cc: dmburgoyne@aep.com; Obodoako, Aloysius; Pelton, David; Kulesa, Gloria; Terry L Curtiss (tlcurtiss@aep.com)
Subject:
D.C. COOK UNITS 1 AND 2 - ESGB RAI CONCERNING LAR TO ADOPT TSTF-490 AND IMPLEMENT FULL-SCOPE AST (TAC NOS. MF5184 AND MF5185)
Attachments: ESGB RAI regarding Alternate Source Term MF5184 MF5185.docx By letter dated November 14, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14324A209), as supplemented by letter dated February 12, 2015 (ADAMS Accession No. ML14363A491), Indiana Michigan Power Company (I&M, the licensee) submitted a license amendment request for the Donald C. Cook Nuclear Plant (CNP), Units 1 and 2. The proposed amendment consists of adoption of Technical Specifications Task Force (TSTF)-
490, Revision 0, and implementation of a full scope alternate source term radiological analysis methodology.
The U.S. Nuclear Regulatory Commission (NRC) staff in the Steam Generator Tube Integrity and Chemical Engineering Branch (ESGB) of the Office of Nuclear Reactor Regulation is currently reviewing your submittal, as supplemented. The staff has determined that additional information is needed in order to complete the review, as described in the attached Request for Additional Information (RAI). The draft RAI was sent to I&M via electronic mail on April 8, 2015. A clarification telephone conference was held on April 21, 2015. Based on our discussion, we understand that a response to the RAI will be provided by July 22, 2015.
Please let me know if you have any questions or concerns.
Sincerely, Allison W. Dietrich, Project Manager Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation 301-415-2846 1
Hearing Identifier: NRR_PMDA Email Number: 2020 Mail Envelope Properties (Allison.Dietrich@nrc.gov20150421153600)
Subject:
D.C. COOK UNITS 1 AND 2 - ESGB RAI CONCERNING LAR TO ADOPT TSTF-490 AND IMPLEMENT FULL-SCOPE AST (TAC NOS. MF5184 AND MF5185)
Sent Date: 4/21/2015 3:36:56 PM Received Date: 4/21/2015 3:36:00 PM From: Dietrich, Allison Created By: Allison.Dietrich@nrc.gov Recipients:
"dmburgoyne@aep.com" <dmburgoyne@aep.com>
Tracking Status: None "Obodoako, Aloysius" <Aloysius.Obodoako@nrc.gov>
Tracking Status: None "Pelton, David" <David.Pelton@nrc.gov>
Tracking Status: None "Kulesa, Gloria" <Gloria.Kulesa@nrc.gov>
Tracking Status: None "Terry L Curtiss (tlcurtiss@aep.com)" <tlcurtiss@aep.com>
Tracking Status: None "hletheridge@aep.com" <hletheridge@aep.com>
Tracking Status: None Post Office:
Files Size Date & Time MESSAGE 1467 4/21/2015 3:36:00 PM ESGB RAI regarding Alternate Source Term MF5184 MF5185.docx 20828 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
REQUEST FOR ADDITIONAL INFORMATION REGARDING ADOPTION OF TSTF-490, REVISION 0 AND IMPLEMENTATION OF FULL-SCOPE ALTERNATE SOURCE TERM DONALD C. COOK NUCLEAR PLANT, UNITS 1 AND 2 DOCKET NOS. 50-315 AND 50-316 TAC NOS.MF5184 AND MF5185 RAI-ESGB-1 Identify all sources of post loss of coolant accident (LOCA) strong acid generation in containment and time-dependent or bounding values of strong acid concentrations in the sump for a period of 30 days post-LOCA.
- a. Provide the amounts of strong acids used in the calculations and the decrease of sump water pH due to strong acids generation.
RAI-ESGB-2 Describe the analysis used, including assumptions and inputs, to determine the pH in the sump water during a period of 30 days post-LOCA. Include detailed calculations of time-dependent or bounding pH values in the sump during a 30-day period post-LOCA to demonstrate that the pH remains greater than 7 throughout this time period.
ENCLOSURE
