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MONTHYEARRS-15-119, Supplemental Information Regarding License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, Criticality2015-05-0808 May 2015 Supplemental Information Regarding License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, Criticality Project stage: Supplement RS-15-226, Supplemental Information Regarding License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, Criticality2015-07-30030 July 2015 Supplemental Information Regarding License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, Criticality Project stage: Supplement ML15352A0052015-12-17017 December 2015 NRR E-mail Capture - (CAC MF5734/MF5735) Dresden Nuclear Power Station, Units 2 and 3 - Spent Fuel Pool Criticality Analysis LAR Project stage: Other RS-16-042, Supplemental Information Supporting License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, Criticality.2016-02-0808 February 2016 Supplemental Information Supporting License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, Criticality. Project stage: Supplement ML15343A1262016-04-29029 April 2016 Issuance of Amendments to Amend Facility Operating License Nos. DPR-19 and DPR-25 to Revise Technical Specifications to Support Use of a New Nuclear Criticality Safety Analysis Methodology Project stage: Approval ML16141A7502016-06-0707 June 2016 Correction Letter to Renewed Facility Operating License No. DPR-19 License Page Project stage: Other 2015-07-30
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Category:Letter
MONTHYEARIR 05000237/20240022024-08-14014 August 2024 Integrated Inspection Report 05000237/2024002 and 05000249/2024002 IR 05000237/20240102024-08-0909 August 2024 NRC Age-Related Degradation Inspection Report 05000237/2024010 and 05000249/2024010 IR 05000237/20230112024-08-0707 August 2024 Reissue - Dresden Nuclear Power Station, Units 2 and 3 Comprehensive Engineering Team Inspection Report 05000237/2023011 and 05000249/2023011 IR 05000237/20200012024-08-0606 August 2024 Reissue - Dresden Nuclear Power Station, Units 2 and 3 - Integrated Inspection Report 05000237/2020001 and 05000249/2020001 ML24184A1712024-08-0202 August 2024 SLRA Schedule Letter RS-24-073, Alternative Schedule to Complete Decommissioning Beyond 60 Years of Permanent Cessation of Operations – Additional Information Supporting Request to Withhold Security-Related Information2024-07-31031 July 2024 Alternative Schedule to Complete Decommissioning Beyond 60 Years of Permanent Cessation of Operations – Additional Information Supporting Request to Withhold Security-Related Information ML24136A1322024-07-30030 July 2024 Transmittal Letter for Renewed License ML24208A0962024-07-25025 July 2024 57243-EN 57243 - Rssc Wire & Cable LLC, Dba Marmon - Part 21 Notification ML24193A0882024-07-24024 July 2024 Request for Withholding Information from Public Disclosure for Dresden Nuclear Power Station, Unit 1 Alternative Schedule to Complete Decommissioning Beyond 60-Years of Permanent Cessation of Operations (Docket 50-10) ML24204A1862024-07-24024 July 2024 – Regulatory Audit in Support of License Amendment Requests to Adopt TSTF 505, Revision 2; TSTF-591, Revision 0; and 10 CFR 50.69 IR 05000237/20243012024-06-27027 June 2024 NRC Initial License Examination Report 05000237/2024301; 05000249/2024301 ML24138A0572024-06-26026 June 2024 – Issuance of Amendment Nos. 285 and 278 Application to Adopt TSTF-564, “Safety Limit Mcpr” ML24138A1812024-06-18018 June 2024 Aging Management Audit Plan Regarding the Subsequent License Renewal Application Review RS-24-063, Response to Request for Additional Information for 10 CFR 50.55a Request No. I5R-222024-06-14014 June 2024 Response to Request for Additional Information for 10 CFR 50.55a Request No. I5R-22 RS-24-061, Constellation Energy Generation, LLC, Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations2024-06-14014 June 2024 Constellation Energy Generation, LLC, Response to NRC Regulatory Issue Summary 2024-01, Preparation and Scheduling of Operator Licensing Examinations ML24128A2742024-06-14014 June 2024 Notice of Acceptance and Opportunity for Hearing - Letter ML24156A2332024-06-11011 June 2024 Letter Supplemental Information for Alternative Schedule to Complete Decommissioning Beyond 60-Years of Permanent Cessation of Operations ML24151A6482024-06-0303 June 2024 Changes in Reactor Decommissioning Branch Project Management Assignments for Some Decommissioning Facilities ML24183A2752024-05-30030 May 2024 Registration of Use of Casks to Store Spent Fuel SVPLTR 24-0020, Registration of Use of Casks to Store Spent Fuel2024-05-30030 May 2024 Registration of Use of Casks to Store Spent Fuel RS-24-056, Application to Adopt 10 CFR 50.69, Risk-Informed Categorization and Treatment of Structures, Systems, and Components for Nuclear Power Reactors2024-05-28028 May 2024 Application to Adopt 10 CFR 50.69, Risk-Informed Categorization and Treatment of Structures, Systems, and Components for Nuclear Power Reactors ML24145A0432024-05-23023 May 2024 Registration of Use of Casks to Store Spent Fuel 10 CFR 72.212 ML24079A0762024-05-23023 May 2024 Issuance of Amendments to Adopt TSTF 264 SVPLTR 24-0019, Registration of Use of Casks to Store Spent Fuel2024-05-23023 May 2024 Registration of Use of Casks to Store Spent Fuel ML24158A0012024-05-22022 May 2024 License Amendment Request to Adopt TSTF-564 (EPID L-2023-LLA-0120) Illinois State Concurrence ML24142A3352024-05-21021 May 2024 Quad Cities—Information Request to Support the NRC Annual Baseline Emergency Action Level and Emergency Plan Changes RS-24-055, 2023 Corporate Regulatory Commitment Change Summary Report2024-05-17017 May 2024 2023 Corporate Regulatory Commitment Change Summary Report ML24135A0722024-05-10010 May 2024 Submittal of 2023 Annual Radiological Environmental Operating Report ML24129A1352024-05-0808 May 2024 License Amendment Request to Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b, and TSTF-59 ML24128A1212024-05-0707 May 2024 Response to Braidwood and Dresden FOF Dates Change Request (2025) ML24092A3412024-05-0101 May 2024 SLRA - Receipt and Availability - Letter IR 05000237/20240012024-05-0101 May 2024 Integrated Inspection Report 05000237/2024001 & 05000249/2024001 ML24127A0982024-04-30030 April 2024 Radioactive Effluent Release Report RS-24-041, Alternative Request to Utilize Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump Tests2024-04-30030 April 2024 Alternative Request to Utilize Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump Tests ML24120A2032024-04-29029 April 2024 Operator Licensing Exam Approval - Dresden Nuclear Power Station, May 2024 IR 05000237/20244012024-04-18018 April 2024 – Security Baseline Inspection Report 05000237/2024401 and 05000249/2024401 ML24108A0082024-04-17017 April 2024 Application for Renewed Operating License RS-24-021, Response to Request for Additional Information for 10 CFR 50.55a Request No. I5R-222024-04-0202 April 2024 Response to Request for Additional Information for 10 CFR 50.55a Request No. I5R-22 RS-24-002, Constellation Energy Generation, LLC - Annual Property Insurance Status Report2024-04-0101 April 2024 Constellation Energy Generation, LLC - Annual Property Insurance Status Report RS-24-023, Report on Status of Decommissioning Funding.2024-03-22022 March 2024 Report on Status of Decommissioning Funding. ML24083A0022024-03-22022 March 2024 IEMA-OHS Comment Dresden HI-STORM Exemption EA & Fonsi SVPLTR 24-0010, Owners Activity Report (OAR-1) for D2R282024-03-15015 March 2024 Owners Activity Report (OAR-1) for D2R28 RS-24-016, Request for Alternative Schedule to Complete Decommissioning Beyond 60 Years of Permanent Cessation of Operations2024-03-14014 March 2024 Request for Alternative Schedule to Complete Decommissioning Beyond 60 Years of Permanent Cessation of Operations RS-24-022, Response to Request for Additional Information by the Office of Nuclear Material Safeguards and Safety to Support Review of a Request for Exemption from Certain Requirements of 10 CFR 72.212 and 10 CFR 72.2142024-03-0808 March 2024 Response to Request for Additional Information by the Office of Nuclear Material Safeguards and Safety to Support Review of a Request for Exemption from Certain Requirements of 10 CFR 72.212 and 10 CFR 72.214 ML24061A1702024-03-0101 March 2024 Request for Information for the NRC Age-Related Degradation Inspection: Inspection Report 05000237/2024010 and 05000249/2024010 IR 05000237/20230062024-02-28028 February 2024 Annual Assessment Letter for Dresden Nuclear Station, Units 2 and 3 (Report 05000237/2023006; 05000249/2023006) RS-24-017, Request for Exemption from Certain Requirements of 10 CFR 72.212 and 10 CFR 72.214 for Dresden Nuclear Power Station – Holtec MPC-68MCBS2024-02-23023 February 2024 Request for Exemption from Certain Requirements of 10 CFR 72.212 and 10 CFR 72.214 for Dresden Nuclear Power Station – Holtec MPC-68MCBS ML24179A2232024-02-12012 February 2024 ILT 23-1 (2024-301) SVP Letter - 24-007 ILT Exam Submittal IR 05000237/20230042024-02-0202 February 2024 Integrated Inspection Report 05000237/2023004 and 05000249/2023004 IR 05000010/20230012024-01-17017 January 2024 NRC Inspection Report 05000010/2023001 (Drss) 2024-08-09
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RS-16-042 10 CFR 50.90 February 8, 2016 U.S. Nuclear Regulatory Commission A TIN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Renewed Facility Operating License Nos. DPR-19 and DPR-25 NRG Docket Nos. 50-237 and 50-249 Subject: Supplemental Information Supporting License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, "Criticality" References: 1. Letter from Patrick R. Simpson (Exelon Generation Company, LLC) to U. S. NRG, "License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, 'Criticality'," dated December 30, 2014 2. Letter from Eva A. Brown (U.S. NRG) to Bryan C. Hanson (Exelon Generation Company, LLC), "Dresden Nuclear Power Station, Units 2 and 3 -Proposed License Condition Regarding the Spent Fuel Pool Nuclear Criticality Safety Analysis Methodology (CAC Nos. MF5734 and MF5735)," dated January 11, 2016 3. Letter from Patrick R. Simpson (Exelon Generation Company, LLC) to U. S. NRG, "Supplemental Information Supporting License Amendment Request Regarding Spent Fuel Storage Pool Criticality Methodology and Proposed Change to Technical Specification 4.3.1, 'Criticality'," dated October 15, 2015 In Reference 1, Exelon Generation Company, LLC (EGG) requested an amendment to Renewed Facility Operating License Nos. DPR-19 and DPR-25 for Dresden Nuclear Power Station (DNPS), Units 2 and 3, respectively. Specifically, EGG is utilizing a new Criticality Safety Analysis (CSA) methodology for performing the criticality safety evaluation for legacy fuel types in addition to the new ATRIUM 10XM fuel design in the spent fuel pool (SFP). In addition, EGG is proposing a change to the DNPS Technical Specification (TS) 4.3.1, "Criticality," in support of the new CSA. EGG proposes to add a new TS 4.3.1.1.c that will require an in-rack K-infinity limit for the fuel assemblies that are allowed to be stored in the DNPS Units 2 and 3 SFP storage racks.
February 8, 2016 U.S. Nuclear Regulatory Commission Page 2 In Reference 2, the NRG described a proposed license condition that will be necessary to ensure the Boron-1 o areal density of the Boral remains at or above its minimum credited value and the TS value of Kett < 0.95 is maintained as part of a SFP Boral coupon surveillance program. Reference 2 requested EGG to provide a response indicating EGC's understanding and acceptance of the license condition. EGG has reviewed the proposed license condition, and understands that the NRG plans to issue a license condition that will require the following coupon surveillance program performance objectives to be met as described in Reference 2. 1. Ensure that coupon measurements of 810 areal density are performed by a qualified laboratory; 2. Ensure that the coupons are removed for evaluation every 1 O years; 3. Ensure that should any coupon be identified as failing the minimum certified 810 areal density criterion based on coupon test results, EGG will perform in-situ testing to confirm that the minimum 810 areal density (0.02 g/cm2) is met for all panels installed in the DNPS spent fuel pools; and 4. Submit a report to the NRG within 90 days following the completion of evaluations associated with Item 3 above. The report shall include; a description of the testing results, the assessments performed, and the interim and long-term corrective actions for abnormal indications. EGG understands that the above license condition requires that in the event a coupon is found to fail the minimum certified areal density criterion, in-situ testing of a statistically representative sample of 80RAL panels, in accordance with our program, is required to verify that the TS 4.3.1.1.a Kett requirement is met for the spent fuel storage racks. The results of this in-situ testing will be documented in a report submitted to the NRG. Based on this understanding, EGG requests that the NRG revise performance objective 3 above to read as follows: 3. Ensure that should any coupon be identified as failing the minimum certified 810 areal density criterion based on coupon test results, EGG will perform in-situ testing of a statistically representative sample of 80RAL panels to confirm that the minimum 810 areal density (0.02 g/cm2) is met for all panels installed in the DNPS spent fuel pools; and The proposed license condition discussed above impacts the regulatory commitments previously made in Attachment 9 to Reference 3. The proposed license condition will replace the need for the commitments specified in Reference 3. Therefore, a revised regulatory commitment summary is attached that supersedes the commitment summary provided in Reference 3 in its entirety. EGG has reviewed the information supporting a finding of no significant hazards consideration, and the environmental consideration, that were previously provided to the NRG in Attachment 1 of Reference 1. The additional information provided in this submittal does not affect the bases for concluding that the proposed license amendment does not involve a significant hazards consideration. In addition, the additional information provided in this submittal does not affect the bases for concluding that neither an environmental impact statement nor an environmental assessment needs to be prepared in connection with the proposed amendment.
February 8, 2016 U.S. Nuclear Regulatory Commission Page 3 Should you have any questions concerning this letter, please contact Mr. Timothy A. Byam at (630) 657-2818. I declare under penalty of perjury that the foregoing is true and correct. Executed on the 8th day of February 2016. Patrick R. Simpson Manager -Licensing Attachment: Summary of Regulatory Commitments cc: NRC Regional Administrator, Region Ill NRC Senior Resident Inspector -Dresden Nuclear Power Station Illinois Emergency Management Agency -Division of Nuclear Safety ATTACHMENT Summary of Regulatory Commitments The following list identifies those actions committed to by Exelon Generation Company, LLC, (EGC) for Dresden Nuclear Power Station. Any other actions discussed in the submittal represent intended or planned actions by EGC, are described only for information, and are not regulatory commitments. COMMITMENT TYPE COMMITTED DATE ONE-TIME PROGRAMMATIC OR "OUTAGE" ACTION (YES/NO) COMMITMENT (YES/NO) None