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Initiation
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MONTHYEARML12361A0062012-11-26026 November 2012 (Mns), Units 1 and 2, Flooding Walkdown Information Requested by NRC Letter, Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54 (F) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Project stage: Request ML13190A2722013-06-20020 June 2013 Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Re Seismic Aspects of Recommendation 2.3 of the Near Term Task Force Review of Insights from the Fukushima Dai-ichi Accident Project stage: Response to RAI ML13192A1552013-07-0101 July 2013 Update to Seismic Walkdown Information Submitted in November 27, 2012 Project stage: Request ML14083A5862014-03-12012 March 2014 EPRI to NEI - Fleet Seismic Core Damage Frequency Estimates for Central and Eastern United States Power Plants Using New Site-Specific Seismic Hazard Estimates: Attachment 1 Project stage: Request RNP-RA/14-0012, Flood Hazard Reevaluation Report, Response to NRC 10 CFR 50.54(f) Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3 and 9.3..2014-03-12012 March 2014 Flood Hazard Reevaluation Report, Response to NRC 10 CFR 50.54(f) Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3 and 9.3.. Project stage: Request MNS-14-029, Seismic Hazard and Screening Report (CEUS Sites), Response to NRC 10 CFR 50.54(f) Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3 and 9.3 of the2014-03-20020 March 2014 Seismic Hazard and Screening Report (CEUS Sites), Response to NRC 10 CFR 50.54(f) Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3 and 9.3 of the Project stage: Request CNS-14-045, Commitment Change Evaluation Report for 20132014-03-31031 March 2014 Commitment Change Evaluation Report for 2013 Project stage: Request ML14093A0522014-03-31031 March 2014 Seismic Hazard and Screening Report (CEUS Sites), Response to NRC 10 CFR 50.54(f) RAI Per 10 CFR 50.54(f) Re Recommendations 2.1, 2.3 and 9.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident Project stage: Other ONS-2014-046, Seismic Hazard and Screening Report (CEUS Sites), Response to NRC 10 CFR 50.54(f) Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.32014-03-31031 March 2014 Seismic Hazard and Screening Report (CEUS Sites), Response to NRC 10 CFR 50.54(f) Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3 Project stage: Request ONS-2014-074, Special Report Per Selected Licensee Commitment 16.9.9 Auxiliary Service Water (Asw) System and Main Steam Atmospheric Dump Valves and Oconee Transition from the Station Asw System to the Protected Service Water System2014-08-15015 August 2014 Special Report Per Selected Licensee Commitment 16.9.9 Auxiliary Service Water (Asw) System and Main Steam Atmospheric Dump Valves and Oconee Transition from the Station Asw System to the Protected Service Water System Project stage: Request ML14255A0052014-08-28028 August 2014 3 - Request for Exemption from Certain Requirements of 10 CFR 72.212(a)(2), 72.212(b)(5), 72.212(b)(11) and 72.214 Project stage: Request ML14268A5162014-10-23023 October 2014 Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Re-evaluation Related to Southeastern Catalog Changes Project stage: RAI RNP-RA/14-0118, Response to Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Re-Evaluations Related to Southeastern Catalog Changes2014-11-12012 November 2014 Response to Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Re-Evaluations Related to Southeastern Catalog Changes Project stage: Response to RAI ONS-2014-144, Special Report Per Selected Licensee Commitment 16.9.9 Auxiliary Service Water (Asw) System and Main Steam Atmospheric Dump Valves and Oconee Transition from the Station Asw System to the Protected Service Water System - Revision 22014-11-12012 November 2014 Special Report Per Selected Licensee Commitment 16.9.9 Auxiliary Service Water (Asw) System and Main Steam Atmospheric Dump Valves and Oconee Transition from the Station Asw System to the Protected Service Water System - Revision 2 Project stage: Request ONS-2014-147, Response to the NRCs Request for Additional Information Dated October 23, 2014, Related to Southeastern Catalog Changes and Seismic Re-Evaluations2014-11-14014 November 2014 Response to the NRCs Request for Additional Information Dated October 23, 2014, Related to Southeastern Catalog Changes and Seismic Re-Evaluations Project stage: Request ML14303A1922014-11-25025 November 2014 Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Hazard and Screening Report Project stage: RAI MNS-14-097, Expedited Seismic Evaluation Process Report (CEUS Sites), Response to NRC Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1 of the Near-Term Task Force Review2014-12-17017 December 2014 Expedited Seismic Evaluation Process Report (CEUS Sites), Response to NRC Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1 of the Near-Term Task Force Review Project stage: Response to RAI ONS-2014-161, Submittal of the Expedited Seismic Evaluation Process Report (CEUS Sites)2014-12-19019 December 2014 Submittal of the Expedited Seismic Evaluation Process Report (CEUS Sites) Project stage: Request CNS-14-130, Expedited Seismic Evaluation Process Report (CEUS Sites), Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident2014-12-31031 December 2014 Expedited Seismic Evaluation Process Report (CEUS Sites), Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident Project stage: Response to RAI CNS-14-132, Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Hazard and Screening Report2015-01-0808 January 2015 Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Hazard and Screening Report Project stage: Request ML15096A5132015-04-27027 April 2015 Staff Assessment of Information Provided Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f), Seismic Hazard Revaluations Relating to Recommendation 2.1 of the NTTF Review Project stage: Other RC-15-0071, Response to NRC Request for Additional Information Regarding Seismic Evaluation Related to Southeastern Catalog Changes2015-04-28028 April 2015 Response to NRC Request for Additional Information Regarding Seismic Evaluation Related to Southeastern Catalog Changes Project stage: Response to RAI RNP-RA/15-0031, Response to NRC Request for Additional Information Regarding Seismic Re-Evaluations Related to Southeastern Catalog Changes2015-04-29029 April 2015 Response to NRC Request for Additional Information Regarding Seismic Re-Evaluations Related to Southeastern Catalog Changes Project stage: Response to RAI ONS-2015-055, Second Response to Request for Additional Information Dated October 23, 2014, Related to Southeastern Catalog Changes and Seismic Re-Evaluations2015-04-30030 April 2015 Second Response to Request for Additional Information Dated October 23, 2014, Related to Southeastern Catalog Changes and Seismic Re-Evaluations Project stage: Response to RAI ML15182A0672015-07-20020 July 2015 Staff Assessment of Information Provided Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(F), Seismic Hazard Reevaluations for Recommendation 2.1 of the Near Term Task Force Review of Insights from Project stage: Approval ML15201A0082015-07-22022 July 2015 Staff Assessment of Information Provided Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f), Seismic Hazard Reevaluations for Recommendation 2.1 of the Near-Term Task Force Review Project stage: Other ML15226A1852015-09-0808 September 2015 Nuclear Regulatory Commission Plan for the Audit of Duke Energy Carolinas, LLC Interim Evaluations Associated with Reevaluated Seismic Hazard Implementing Near-Term Task Force Recommendation 2.1 - Seismic Project stage: Other ML16034A3252015-12-31031 December 2015 To Summary of Methodology Used for Seismic Capacity Evaluation of GMRS Mitigation Components Project stage: Other ONS-2016-007, Supplemental Information Related to the Expedited Seismic Evaluation Process (ESEP) Report in Response to the NRC Audit Described in Letter Dated September 2, 20152016-01-27027 January 2016 Supplemental Information Related to the Expedited Seismic Evaluation Process (ESEP) Report in Response to the NRC Audit Described in Letter Dated September 2, 2015 Project stage: Supplement 2014-03-31
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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Kelvin Henderson Site Vice President Duke Energy Carolinas, LLC Catawba Nuclear Station 4800 Concord Road York, SC 297 45 November 25, 2014
SUBJECT:
CATAWBA NUCLEAR STATION, UNITS 1 AND 2-REQUEST FOR ADDITIONAL INFORMATION ASSOCIATED WITH NEAR-TERM TASK FORCE RECOMMENDATION 2.1, SEISMIC HAZARD AND SCREENING REPORT (TAC NOS. MF3965 AND MF3966)
Dear Mr. Henderson:
By letter dated March 31, 20141, to the U.S. Nuclear Regulatory Commission (NRC), Duke Energy Carolinas, LLC (Duke) the licensee for Catawba Nuclear Station, Units 1 and 2 (Catawba), submitted for NRC review the Seismic Hazard and Screening Report, Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f), Response for Information Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident.
The NRC staff has reviewed the information provided for Catawba's seismic hazard reevaluation and has determined that additional information is required to complete its review. Enclosed is a request for additional information (RAI) related to Section 2.3.2 "Development of Base Case Profiles and Nonlinear Material Properties" of the seismic hazard reevaluation report for the Catawba Nuclear Station. As discussed with your staff on November 13, 2014, it was agreed that a response would be provided no later than January 9, 2015.
1 Catawba Seismic Hazard Evaluation Report dated March 31, 2014, can be found under Agencywide Documents Access and Management System (ADAMS) Accession No. ML14093A052.
If you have any questions related to the enclosed RAisor response date, please contact me at 301-415-1115 or via e-mail at Nicholas.Difrancesco@nrc.gov.
Docket Nos. 50-413 and 50-414
Enclosure:
Request for Additional Information cc w/encl: Distribution via Listserv Nicholas J. DiFrancesco, Senior Project Manager Hazards Management Branch Japan Lessons-Learned Division Office of Nuclear Reactor Regulation
REQUEST FOR ADDITIONAL INFORMATION NEAR-TERM TASK FORCE RECOMMENDATION 2.1 SEISMIC HAZARD AND SCREENING REPORT CATAWBA NUCLEAR STATION UNITS 1 AND 2 DOCKET NOS. 50-413 & 50-414 By letter dated March 31,2014\\ to the U.S. Nuclear Regulatory Commission (NRC), Duke Energy Carolinas, LCC (Duke) the licensee for Catawba Nuclear Station, Units 1 and 2 (Catawba),
submitted for NRC review the Seismic Hazard and Screening Report, Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f) (hereafter referred to as the 50.54(f) letter),
Response for Information Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident.
Review of the location of the SSE control point used in the site response profile According to the Catawba, Units 1 and 2 Final Safety Analysis Report (FSAR), the acceleration value for the Safe Shutdown Earthquake (SSE), chosen for foundations on closely jointed rock and slightly weathered rock, is 0.15 g. Section 2.3.2 of the Catawba Nuclear Station, Units 1 and 2 Seismic Hazard and Screening Report states that the SSE control point considered the inclusion of fill concrete in the site response profile.
The NRC Staff has reviewed the information submitted and has determined that the following request for additional information (RAI) below is needed to complete its review.
RAI # 1 Consistent with the 50.54(f) letter and the SPID guidance2, and since the FSAR specifies the SSE control point for rock, please justify the inclusion of fill concrete in your site response profile as described in Section 2.3.2 of the Catawba Nuclear Station, Units 1 and 2 Seismic Hazard and Screening Report.
1 Catawba Seismic Hazard Evaluation Report dated March 31, 2014, can be found under Agencywide Documents Access and Management System (ADAMS) Accession No. ML14093A052.
2 The screening, prioritization, and implementation details (SPID) can be found under ADAMS Accession No. ML12333A170.
Enclosure
RidsNrrDoriLpl2-1 RidsNrrOd RidsNrrLASLent NDiFrancesco, NRR RidsRgn2MaiiCenter DJackson, NRO AKock, NRO MJardaneh, NRO ML14303A192 OFFICE NRR/JLD/JHMB/PE NRR/JLD/JHMB/LA N RR/DORLILPL2-1 /PM*
NAME FVega SLent EM iller DATE 10/31/14 10/31/14 11/25/14 OFFICE NRR/JLD/JHMB/PM NAME NDiFrancesco DATE 11/25/14