Letter Sequence Approval |
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MONTHYEARML16042A2912016-03-15015 March 2016 Issuance of Proposed Alternative Relief Request PRR-51, Relief from the Requirements of the ASME Code Project stage: Approval ML16124B0872016-05-0303 May 2016 E-mail Review of Safety Evaluation for Proposed Alternative Relief Request No. PRR-51 Project stage: Approval 2016-03-15
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Category:E-Mail
MONTHYEARML22335A2802022-11-0404 November 2022 11-4-2022 Email Transmitting Draft Questions Pertaining to Pilgrim ISFSI Exemption Request ML22270A0422022-09-26026 September 2022 Acknowledgement Email for Holtec'S Request for Reporting Exemption with Regards to the Pilgrim ISFSI Annual Radioactive Effluent Release Report (Docket No. 05000293) ML22154A1622022-05-26026 May 2022 Letter and Email from Save Our Bay/Diane Turco Regarding Irradiated Water Release from Pilgrim ML22007A2602021-12-0606 December 2021 E-mail from P. O'Brien, Holtec, to A. Snyder, NRC, on Pilgrim Effluent Discharge ML21287A6192021-10-14014 October 2021 E-mail from S. Phillips, MEMA, to A. Snyder, NRC, Pilgrim Nuclear Power Station, Commonwealth of Massachusetts Consultation Response to Amendment Review for Emergency Preparedness ML21266A2512021-09-23023 September 2021 Consultation with Commonwealth of Massachusetts Regarding Proposed Amendment Application for Emergency Plan and Emergency Action Levels ML21266A2772021-09-23023 September 2021 HDI Clarification of Exemption Requested from 10 CFR 20, Appendix G, Section Iii.E ML21267A0012021-09-23023 September 2021 E-mail from A. Snyder, NRC, to A. Sterdis, Holtec, - Pilgrim Nuclear Power Station - Request for Exemption from 10 CFR 20, Appendix G, Section Iii.E Acceptance Review ML21257A3832021-09-15015 September 2021 E-mail from A. Snyder, NRC, to A. Sterdis, Holtec, - Pilgrim Nuclear Power Station - Follow-on Request Re Request for Additional Information 2 Pilgrim - License Amendment Request Independent Spent Fuel Storage Installation Only Emergency Pl ML21211A5912021-07-22022 July 2021 Consultation Response from Commonwealth of Massachusetts Regarding Proposed Pilgrim ISFSI Only Technical Specifications ML21211A5162021-07-22022 July 2021 Consultation Response from Commonwealth of Massachusetts Regarding Proposed Pilgrim ISFSI Only Physical Security Plan ML21200A2352021-07-13013 July 2021 Consultation Request to Commonwealth of Massachusetts Regarding Proposed Pilgrim ISFSI Only Technical Specifications ML21200A1522021-07-13013 July 2021 Consultation Request to Commonwealth of Massachusetts Regarding Proposed Pilgrim Isfi Only Physical Security Plan ML21176A1842021-06-25025 June 2021 Email from HDI Regarding Pilgrim Nuclear Power Station Training ML21180A0582021-06-17017 June 2021 Email from Region I Regarding Pilgrim Nuclear Power Station Inspection - EA-13-132 ML21097A0402021-04-0606 April 2021 E-Mail Consult with Commonwealth of Mass Re - Amendment Application - Physical Security Plan for the Pilgrim Nuclear Power Station L-20-092, Email Pilgrim Nuclear Power Station-Exemption from Annual Force-On-Force Exercise Requirements of 10 CFR Part 73, Appendix B,2020-12-10010 December 2020 Email Pilgrim Nuclear Power Station-Exemption from Annual Force-On-Force Exercise Requirements of 10 CFR Part 73, Appendix B, L-20-096, Supplemental Information to Support Physical Security Plan Revision and License Amendment Request to Incorporate Alternate Measures - Holtec Email Dated December 10, 20102020-12-10010 December 2020 Supplemental Information to Support Physical Security Plan Revision and License Amendment Request to Incorporate Alternate Measures - Holtec Email Dated December 10, 2010 ML20328A2982020-11-16016 November 2020 Response from Commonwealth of Massachusetts on No Significant Hazard for Pilgrim ISFSI Amendment to Address ISFSI II Dated November 16, 2020 ML20297A2372020-10-22022 October 2020 Request for Additional Information - HDI Fleet Decommissioning Quality Assurance Program ML20266G4032020-09-22022 September 2020 Acceptance Review Email - Request for Approval of HDI Fleet Decommissioning Quality Assurance Program, Revision 0 ML20163A6802020-06-11011 June 2020 Confirmation of the Scope of the Requested Regulatory Relief for Pilgrim Security Qualifications ML20280A1912020-04-17017 April 2020 Request for Additional Information- Clarifying Information for Pilgrim ISFSI Physical Security Amendment Application ML20269A3542020-03-0505 March 2020 CFR 26.717 Reports 2019 Transmittal Email ML19336A0302019-11-27027 November 2019 OEDO-15-00479 - Re 2.206 Petition Regarding Pilgrim Nuclear Power Station'S Current Licensing Basis for Flooding ML19336A0332019-11-26026 November 2019 OEDO-15-00479 - E-mail to Petitioner - 2.206 Petition Regarding Pilgrim Nuclear Power Station'S Current Licensing Basis for Flooding (CAC No. MF6460; EPID L-2015-CRS-0002)- Issuance of Final Director'S Decision ML19331A1952019-11-21021 November 2019 NRR E-mail Capture - (External_Sender) Pilgrim Nuclear Power Station - Commonwealth Consultation Response - Amendment Regarding Site Emergency Plan and Emergency Action Level Scheme ML19331A1732019-11-12012 November 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station -Consult with Commonwealth - Amendment Regarding Cyber Security Plan ML19331A1642019-11-0505 November 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station -Consult with Commonwealth - Amendment Regarding Site Emergency Plan and Emergency Action Level Scheme ML19331A1792019-11-0505 November 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - EA and Fonsi for Pilgrim Emergency Planning Exemption CY-19-007, LTR-19-0441 Henrietta Cosentino, E-mail SECY-19-0078 Request by Entergy Nuclear Operations Inc. for Exemptions from Certain Emergency Planning Requirements for the Pilgrim Nuclear Power Station2019-11-0404 November 2019 LTR-19-0441 Henrietta Cosentino, E-mail SECY-19-0078 Request by Entergy Nuclear Operations Inc. for Exemptions from Certain Emergency Planning Requirements for the Pilgrim Nuclear Power Station ML19275H1962019-09-24024 September 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - Consult with Commonwealth - Amendment Regarding Permanently Defueled Technical Specifications (PDTS) ML19239A0372019-08-26026 August 2019 E-mail from Entergy Dated August 26, 2019, Notification of Pilgrim License Transfer ML19239A0262019-08-23023 August 2019 LTR-19-0330 Janet Azarovitz, E-mail a Plea for More Time and Reasonable Discussion Including the Citizens of the Commonwealth in the Sale of the Pilgrim Nuclear Power Station ML19234A2072019-08-20020 August 2019 LTR-19-0328 Lawrence Delafield, President, Six Ponds Improv Assoc., Plymouth, Ma, Ltr Requests NRC to Postpone Consideration of Transferring the Licenses for the Pilgrim Nuclear Power Until the NRC Has Answered Concerns by Pilgrim Watch, Se ML19232A4032019-08-20020 August 2019 LTR-19-0322 Diane Turco, Director, Cape Downwinders, Massachusetts, Letter/E-mail Requests Suspension of the Pilgrim License Transfer from Entergy to Holtec Until the Adjudicatory Hearing Is Held and Raised Contentions Are Resolved ML19308A9942019-08-19019 August 2019 Entergy Nuclear Operations, Inc. Confirmatory Order Rescission Supplemental Information ML19226A3912019-08-14014 August 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - EA and Fonsi for Pilgrim Decommissioning Trust Fund Exemption (Holtec) ML19226A3962019-08-14014 August 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station -Consult with Commonwealth - Conforming Amendment in Support of Pilgrim License Transfer Application ML19226A1212019-08-13013 August 2019 OEDO-15-00479-2.206 Petition Regarding Pilgrim Nuclear Power Station'S Current Licensing Basis for Flooding - Status (CAC No. MF6460; EPID L-2015-CRS-0002) ML19227A1032019-08-0707 August 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - Draft Wording for Potential Condition of License Transfer Order ML19207B3662019-07-26026 July 2019 NRR E-mail Capture - Pilgrim - RAI Direct and Indirect Transfer of Lic.; Conforming Lic. Amend.; Req. for Exemption 10 CFR 50.82(A)(8)(I)(A) for Holtec Decom. International, Llc ML19176A3452019-06-25025 June 2019 2.206 Petition Regarding Pilgrim Nuclear Power Station'S Current Licensing Basis for Flooding - Information (OEDO-15-00479) (CAC No. MF6460; EPID L-2015-CRS-0002) ML19154A0652019-06-0303 June 2019 NRR E-mail Capture - Pilgrim - Permanent Cessation of Power Operations ML19154A5242019-06-0303 June 2019 NRR E-mail Capture - RAI - Pilgrim Post-Decommissioning Technical Specifications (PDTS) License Amendment Request (LAR) ML19161A2122019-05-20020 May 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - Acceptance of License Amendment Request to Remove Cyber Security Plan Requirements ML19123A0332019-05-0101 May 2019 NRR E-mail Capture - Logbook Entry: 05/01/2019 Endangered Species Report Regarding a Confirmed Sighting of North Atlantic Right Whale(S) (Balaena Glacialis) ML19122A4912019-04-29029 April 2019 NRR E-mail Capture - Logbook Entry: 04/29/2019 Regarding the Confirmed Sighting of Ten North Atlantic Right Whales (Balaena Glacialis) ML19108A2372019-04-18018 April 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - Acceptance of Requested Licensing Action, Proposed Exemptions from 10 CFR 50.54(w)(1) - On-Site Property Damage Insurance ML19108A2362019-04-18018 April 2019 NRR E-mail Capture - Pilgrim Nuclear Power Station - Acceptance of Requested Licensing Action, Proposed Exemptions from 10 CFR 140.11(a)(4) - Primary and Secondary Liability Insurance 2022-09-26
[Table view] Category:Letter
MONTHYEARML24151A6482024-06-0303 June 2024 Changes in Reactor Decommissioning Branch Project Management Assignments for Some Decommissioning Facilities ML24129A1042024-05-26026 May 2024 Preapplication Readiness Assessment Plan for the Holtec Decommissioning International License Termination Plan ML24136A2382024-05-14014 May 2024 Annual Radiological Environmental Operating Report for 2023 ML24135A3212024-05-14014 May 2024 Annual Radioactive Effluent Release Report, January 1 Through December 31, 2023 IR 05000293/20240012024-05-0707 May 2024 NRC Inspection Report No. 05000293/2024001 L-24-009, HDI Annual Occupational Radiation Exposure Data Reports - 20232024-04-29029 April 2024 HDI Annual Occupational Radiation Exposure Data Reports - 2023 L-24-010, Request for Preapplication Readiness Assessment of the Draft License Termination Plan2024-04-22022 April 2024 Request for Preapplication Readiness Assessment of the Draft License Termination Plan L-24-007, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations – Holtec Decommissioning International, LLC (HDI)2024-03-29029 March 2024 Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations – Holtec Decommissioning International, LLC (HDI) IR 05000293/20230032024-02-29029 February 2024 NRC Inspection Report Nos. 05000293/2023003 and 05000293/2023004 L-24-002, Late LLRW Shipment Investigation Report Pursuant to 10 CFR 20, Appendix G2024-02-0202 February 2024 Late LLRW Shipment Investigation Report Pursuant to 10 CFR 20, Appendix G ML23342A1182024-01-0909 January 2024 Independent Spent Fuel Storage Installation Security Inspection Plan L-23-019, Proof of Financial Protection 10 CFR 140.152023-12-18018 December 2023 Proof of Financial Protection 10 CFR 140.15 ML23334A1822023-11-30030 November 2023 Biennial Report for the Defueled Safety Analysis Report Update, Technical Specification Bases Changes, 10 CFR 50.59 Evaluation Summary, and Regulatory Commitment Change Summary November 2021 Through October 2023 L-23-012, Master Decommissioning Trust Agreement Changes for Indian Point Nuclear Generating Units 1, 2 and 3, Pilgrim Nuclear Power Station, Palisades Nuclear Plant and the Non-Qualified Trust for Big Rock Point2023-11-13013 November 2023 Master Decommissioning Trust Agreement Changes for Indian Point Nuclear Generating Units 1, 2 and 3, Pilgrim Nuclear Power Station, Palisades Nuclear Plant and the Non-Qualified Trust for Big Rock Point ML23306A0992023-11-0202 November 2023 and Indian Point Energy Center, Notification of Changes in Schedule in Accordance with 10 CFR 50.82(a)(7) L-23-011, 10 CFR 72.48 Biennial Change Summary Report2023-10-27027 October 2023 10 CFR 72.48 Biennial Change Summary Report IR 05000293/20234012023-08-31031 August 2023 NRC Inspection Report No. 05000293/2023401 & 2023001 (Cover Letter Only) IR 05000293/20230022023-08-0404 August 2023 NRC Inspection Report No. 05000293/2023002 L-23-008, Correction to Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations Holtec Decommissioning International, LLC (HDI)2023-05-23023 May 2023 Correction to Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations Holtec Decommissioning International, LLC (HDI) ML23135A2152023-05-15015 May 2023 Annual Radioactive Effluent Release Report, January 1 Through December 31, 2022 ML23136A7792023-05-15015 May 2023 Annual Radiological Environmental Operating Report, January 1 Through December 31, 2022 L-23-004, HDI Annual Occupational Radiation Exposure Data Reports - 20222023-04-24024 April 2023 HDI Annual Occupational Radiation Exposure Data Reports - 2022 L-23-003, Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations2023-03-31031 March 2023 Report on Status of Decommissioning Funding for Reactors and Independent Spent Fuel Storage Installations ML23088A0382023-03-29029 March 2023 Stations 1, 2, & 3, Palisades Nuclear Plant, and Big Rock Point - Nuclear Onsite Property Damage Insurance ML23069A2782023-03-13013 March 2023 Request for Scoping Comments Concerning the Environmental Review of Monticello Nuclear Generating Plant, Unit 1 Subsequent License Renewal Application ML22361A1022023-02-24024 February 2023 Reactor Decommissioning Branch Project Management Changes for Some Decommissioning Facilities and Establishment of Backup Project Manager for All Decommissioning Facilities IR 05000293/20220042023-02-15015 February 2023 NRC Inspection Report No. 05000293/2022004 ML22356A0712023-01-31031 January 2023 Issuance of Exemption for Pilgrim Nuclear Power Station ISFSI Regarding Annual Radioactive Effluent Release Report - Cover Letter ML22347A2782022-12-21021 December 2022 Independent Spent Fuel Storage Installation Security Inspection Plan Dated December 21, 2022 L-22-042, Oyster, Pilgrim, Indian Point, Palisades and Big Rock Point - Proof of Financial Protection 10 CFR 140.152022-12-14014 December 2022 Oyster, Pilgrim, Indian Point, Palisades and Big Rock Point - Proof of Financial Protection 10 CFR 140.15 L-22-041, Supplemental Information to Enhance Exemption Request Detail for Pilgrim ISFSI Annual Radioactive Effluent Release Report Due Date Extension2022-12-0909 December 2022 Supplemental Information to Enhance Exemption Request Detail for Pilgrim ISFSI Annual Radioactive Effluent Release Report Due Date Extension IR 05000293/20220032022-11-18018 November 2022 NRC Inspection Report No. 05000293/2022003 L-22-036, Decommissioning Trust Fund Agreement2022-11-0808 November 2022 Decommissioning Trust Fund Agreement ML22276A1762022-10-24024 October 2022 Decommissioning International Proposed Revisions to the Quality Assurance Program Approval Forms for Radioactive Material Packages ML22266A1922022-09-23023 September 2022 and Pilgrim Nuclear Power Station - Request to Withdraw Prior Submissions from NRC Consideration ML22269A4202022-09-22022 September 2022 Citizen Lawsuit ML22272A0352022-09-22022 September 2022 S. Lynch-Benttinen Letter Regarding U.S. Citizen Intent to Sue U.S. Fish and Wildlife and NOAA Fisheries Representing the Endangered Species (Na Right Whale) Which Will Be Adversely Affected by Holtec International Potential Actions ML22241A1122022-08-29029 August 2022 Request for Exemption from 10 CFR 72.212(a)(2), (b)(2), (b)(3), (b)(4), (B)(5)(i), (b)(11), and 72.214 for Pilgrim ISFSI Annual Radioactive Effluent Release Report IR 05000293/20220022022-08-12012 August 2022 NRC Inspection Report No. 05000293/2022002 ML22215A1772022-08-0303 August 2022 Decommissioning International (HDI) Proposed Revisions to the Quality Assurance Program Approval Forms for Radioactive Material Packages ML22221A2592022-08-0101 August 2022 LTR-22-0217-1-NMSS - Town of Duxbury Letter Opposing the Irradiated Water Release from Pilgrim (Docket No. 05000293) ML22206A1512022-08-0101 August 2022 NRC Office of Investigations Case Nos. 1-2022-002 & 1-2022-006 ML22175A1732022-07-28028 July 2022 LTR-22-0153-1 - Response Letter to D. Turco, Cape Downwinders, from A. Roberts, NRC, Regarding Holtec-Pilgrim Plans to Dump One Million Gallons of Radioactive Waste Into Cape Cod Bay ML22193A1662022-07-28028 July 2022 LTR-22-0154-1 - Heather Govern, VP, Clean Air and Water Program, Et Al., Letter Regarding Radioactive Wastewater Disposal from the Pilgrim Nuclear Power Station (Docket No. 05000293) ML22154A4882022-06-0101 June 2022 Letter from Conservation Law Foundation Regarding Irradiated Water Release from Pilgrim ML22154A1622022-05-26026 May 2022 Letter and Email from Save Our Bay/Diane Turco Regarding Irradiated Water Release from Pilgrim ML22136A2602022-05-16016 May 2022 Submittal of Annual Radiological Environmental Operating Report for January 1 Through December 31, 2021 ML22136A2572022-05-16016 May 2022 Submittal of Annual Radioactive Effluent Release Report for January 1 Through December 31, 2021 ML22102A0932022-05-12012 May 2022 LTR-22-0067 Response to Matthew P. Levesque, President, Barnstable Town Council Regarding Irradiated Water Release from Pilgrim IR 05000293/20220012022-05-11011 May 2022 NRC Inspection Report No. 05000293/2022001 2024-06-03
[Table view] Category:Safety Evaluation
MONTHYEARML21217A1752021-08-0505 August 2021 Amendment No 255 Pilgrim Independent Spent Fuel Storage Installation (ISFSI) Only Physical Security Plan - Public Version ML20328A2972020-12-0101 December 2020 Amendment No. 253 - Non-Safeguards Version ML19276C4202020-01-0202 January 2020 Issuance of Amendment No. 252, Request to Remove Cyber Security Plan Requirements for the Permanently Defueled Condition ML19274C6742020-01-0202 January 2020 Issuance of Amendment No. 251, Revise Emergency Plan and Emergency Action Level Scheme to Address Permanently Defueled Condition ML19142A0432019-12-18018 December 2019 Letter and Safety Evaluation, Exemption to Allow Reduced Emergency Planning Requirements; Revise Radiological Emergency Response Plan Consistent with Permanently Defueled Reactor ML19235A0502019-08-27027 August 2019 Issuance of Amendment No. 249 Order Approving Direct Transfer of Renewed Facility Operating License and ISFSI General License and Conforming Amendment ML19170A2502019-08-22022 August 2019 Enclosure 3, Safety Evaluation for Direct and Indirect Transfer of Renewed Facility Operating License to Holtec Pilgrim, LLC, Owner and Holtec Decommissioning International, LLC, Operator (L-2018-LLO-0003) ML19122A1992019-06-11011 June 2019 Review of Spent Fuel Management Plan ML18284A3752018-11-30030 November 2018 Issuance of Amendment No. 248, Revise Site Emergency Plan for On-Shift and Emergency Response Organization Staffing to Address Permanently Defueled Condition ML18128A0672018-06-0808 June 2018 Arkansas, Units 1 and 2; Grand Gulf, Unit 1; Indian Point Unit Nos. 2 and 3; Palisades; Pilgrim; River Bend Station, Unit 1; and Waterford, Unit-3 Relief Request No. EN-17-RR-1, Alternative to Use ASME Code Case N-513-4 ML17066A1302017-07-10010 July 2017 Pilgrim Nuclear Power Station - Issuance of Amendment No. 246, Revise Administrative Controls Section of Technical Specifications to Change Staffing and Training Requirements for Permanently Defueled Condition (CAC No. MF9304) ML17093A8942017-05-12012 May 2017 Pilgrim Nuclear Power Station - Relief Requests PNPS-ISI-001 and PNPS-ISI-002, Relief from ASME Code Volumetric Examination Requirements for the Fourth 10-Year Inservice Inspection Interval (CAC Nos. MF8092 and MF8093) ML17058A3252017-04-12012 April 2017 Approval of Certified Fuel Handler Training and Retraining Program ML16250A2232016-10-28028 October 2016 Issuance of Amendments Proposed Changes to Emergency Plan to Revise Training for the on - Shift Chemistry Technician ML16251A6202016-09-13013 September 2016 Entergy Fleet Request for Approval of Change to the Entergy Quality Assurance Program Manual (CAC Nos. MF7086 - MF7097) ML16082A4602016-06-0606 June 2016 Issuance of Amendment Cyber Security Plan Implementation Schedule ML16096A2692016-06-0606 June 2016 Arkansas; Grand Gulf; James A. Fitzpatrick; Indian Point; Palisades; Pilgrim; River Bend; and Waterford - Relief Request RR-EN-15-2, Proposed Alternative to Use ASME Boiler and Pressure Vessel Code Case N-786-1 ML16093A0282016-05-31031 May 2016 Entergy Services, Inc., Proposed Alternative to Utilize ASME Code Case N-789-1, Relief Request RR-EN-15-1, Revision 1 ML16124B0872016-05-0303 May 2016 E-mail Review of Safety Evaluation for Proposed Alternative Relief Request No. PRR-51 ML16042A2912016-03-15015 March 2016 Issuance of Proposed Alternative Relief Request PRR-51, Relief from the Requirements of the ASME Code ML16008B0772016-03-0303 March 2016 Safety Evaluation Regarding Implementation of Mitigating Strategies and Reliable Spent Fuel Pool Instrumentation Related to Orders EA-12-049 and EA-12-051 ML15338A3092016-01-0505 January 2016 Relief Request PRR-50, Relief from the Requirement of the ASME Code, Implementation of Code Case N-702 ML15166A4012015-06-19019 June 2015 Request for Alternative PRR-26 for the Fifth 10-year Inservice Inspection Interval ML15114A0212015-05-0606 May 2015 Issuance of Amendment Regarding the Minimum Critical Power Ratio License Amendment Request ML15103A0692015-04-21021 April 2015 Relief Request PRR-24 Regarding Nozzle-to-Vessel Welds and Nozzle Inner Radii Examination ML15084A0252015-03-23023 March 2015 Non-Proprietary - Safety Evaluation - Fourth 10-Year Interval Inservice Inspection - Request for Relief PRR-24 ML14272A0702015-03-12012 March 2015 Issuance of Amendment 242 Re Revision to Technical Specification 2.1, Safety Limits to Resolve Pressure Regulator Fail-Open Transient ML14336A6612014-12-11011 December 2014 Issuance of Amendment Regarding Cyber Security Plan Implementation Schedule Milestone 8 (Tac No. MF3482) ML14295A6852014-10-31031 October 2014 Issuance of Amendment Regarding Heavy Loads to Facilitate Dry Storage Handling Operations ML14210A2662014-08-0808 August 2014 Arkansas, Units 1 & 2, Big Rock Point, James A. Fitzpatrick, Grand Gulf, Unit 1, Indian Point, Units 1, 2 & 3, Palisades, Pilgrim, River Bend, Unit 1, Vermont Yankee, Waterford, Safety Evaluation Quality Assurance Program Manual, Rev. 24 & ML14198A1572014-08-0101 August 2014 Relief Requests PR-03 and PR-05 Regarding the Inservice Testing Program (Tac MF0370) ML14083A6312014-03-27027 March 2014 Relief Request PRR-22 Regarding a Risk-Informed Inservice Inspection Program for Class 1 and 2 Piping Welds ML13149A2152013-05-29029 May 2013 Correction to Staff Assessment Letter to Recommendation 9.3 of the Near-Term Task Force Related to the Fukushima Dai-Ichi Nuclear Power Plant Accident ML13127A1792013-05-21021 May 2013 Staff Assessment in Response to Recommendation 9.3 of the Near-Term Task Force Related to the Fukushima Dai-ichi Nuclear Power Plant Accident ML13025A3062013-03-14014 March 2013 ANO 1 & 2, Big Rock, FitzPatrick, GGNS, Indian Point 1, 2 & 3, Palisades, Pilgrim, RBS, Vermont Yankee, and Waterford - Correction to Amendments Issued on 12/28/12, Revise QA Program Manual and Staff Qualification Technical Specifications ML12261A1302012-11-13013 November 2012 Issuance of Amendments to Renewed Facility Operating License Changes in Cyber Security Plan Implementation Milestone ML1220100482012-08-0707 August 2012 Issuance of Amendment No. 237 Revision to Condensate Storage Tank Low Level Trip Setpoint ML12174A1472012-07-10010 July 2012 Safety Evaluation for Relief Request PRR-21, Rev 4, to Install a Weld Overlay on RPV-n14-1 Standby Liquid Control Safe-End Nozzle Weld at Pilgrim ML11152A0432011-07-22022 July 2011 License Amendment, Cyber Security Plan ML1106500092011-03-28028 March 2011 Issuance of Amendment No. 235 Revised Technical Specifications for Setpoint and Setpoint Tolerance Increases for Safety Relief Valves and Spring Safety Valves ML1100502982011-01-26026 January 2011 Issuance of Amendment Regarding Revised Pressure and Temperature (P-T) Limit Curves and Relocation of P-T Curves to the PTLR ML1022901632010-08-25025 August 2010 Relief Request PRR-20, Alternative Examination Requirements for Nozzle-To-Shell and Inner Radii Welds Using ASME Code Case N-702 and BWRVIP-108 - Pilgrim Nuclear Power Station ML0936208072010-01-22022 January 2010 Cover Letter, (Non-Proprietary) Order Extending the Effectiveness of the Approval of the Indirect Transfer of Facility Operating Licenses for Big Rock Point, Fitzpatrick, Indian Point, Palisades, Pilgrim, and Vermont Yankee Nuclear Power St ML0936208952010-01-22022 January 2010 Safety Evaluation,(Non-Proprietary) Order Extending the Effectiveness of the Approval of the Indirect Transfer of Facility Operating Licenses for Big Rock Point, Fitzpatrick, Indian Point,Palisades,Pilgrim, and Vermont Yankee Nuclear Power ML0928706472009-10-29029 October 2009 Request for Threshold Determination Under 10 CFR 50.80-Big Rock Point, James A. FitzPatrick Nuclear Power Plant, Indian Point Nuclear Generating Nos. 1, 2 and 3, Palisades, Pilgrim, Vermont Yankee ML0927301372009-10-0909 October 2009 Safety Evaluation by the Office of Nuclear Reactor Regulation Corporate Restructuring Conversion of Companies and Stock Split-Off by Entergy Nuclear Operations, Inc and Subsidiaries ML0923705492009-09-11011 September 2009 Relief Request (PRR)19, Install a Weld Overlay on Jet Pump Instrumentation Nozzle Weld RPV-N9A-1- Pilgrim Nuclear Power Station ML0911304562009-04-30030 April 2009 Relief Request ISI-2008-1, Use of Later ASME Section XI Code Edition and Addenda for Repair and Replacement, Pressure Testing, and Destructive Testing Activities-Pilgrim Nuclear Power Station ML0906402242009-03-26026 March 2009 License Amendment, Revised Technical Specifications (TS) Section 2.1.2, Safety Limit Minimum Critical Power Ratio (SLMCPR) for Two-Loop and Single-Loop Operation ML0815703662008-11-20020 November 2008 License Amendment, Issuance of Amendment Adoption of TSTF-448, Revision 3, Control Room Envelope Habitability 2021-08-05
[Table view] |
Text
From: Venkataraman, Booma To: Williams, Murray
Subject:
Pilgrim: Review of Safety Evaluation for Proposed Alternative Relief Request No. PRR-51 (CAC NO. MF6361)
Date: Tuesday, May 03, 2016 11:16:00 AM Attachments:
PRR-51 SER Letter - Highlighted Error.pdf Murray, The NRR staff has reviewed your below message and agrees that the identified error is minor and editorial in nature; there is no change or impact to the staff's documented technical basis, evaluation, and safety conclusion.
The NRR staff agrees that the highlighted sentence in your attachment should be replaced with: "The ASME Code of record for Pilgrim's fifth 10-year inservice inspection (ISI) interval is the 2007 Edition through the 2008 Addenda," per your message below. A formal correction letter to the issued safety evaluation for the Proposed Alternative Relief Request No. PRR-51 is not warranted.
Please consider this email as an official record of the staff's acknowledgement of the identified error in the safety evaluation for the Proposed Alternative PRR-51, dated March 15, 2016 (ADAMS Accession No. ML16042A291).
Thanks, Booma Booma Venkataraman
U.S. NRC/ NRR/DORL Pilgrim PM From: Williams, Murray [1]
Sent: Saturday, April 30, 2016 5:57 PM To: Venkataraman, Booma <Booma.Venkataraman@nrc.gov>
Cc: Williams, Murray <mwill13@entergy.com>
Subject:
[External_Sender]
SER for PRR-51 Booma, See the highlighted sentence in the attached document in the second paragraph of SER section
1.0 INTRODUCTION
.
The sentence should read either:
The ASME Code of record for Pilgrim's fourth 10-year inservice inspection (ISI) interval is the 1998 Edition through the 2000 Addenda.
or:
The ASME Code of record for Pilgrim's fifth 10-year inservice inspection (ISI) interval is the 2007 Edition through the 2008 Addenda.
Relief Request PRR-51 pertains to the fifth interval which is based on the 2007 Edition through the 2008 Addenda. Murray Williams Licensing Specialist Entergy Pilgrim Nuclear Power Station (508) 830-8275 mwill13@entergy.com
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Vice President, Operations Entergy Nuclear Operations, Inc. Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360-5508 Mm::h 15, 2016
SUBJECT:
PILGRIM NUCLEAR POWER STATION -ISSUANCE OF RELIEF REQUEST NO. PRR-51 -RELIEF FROM CERTAIN ASME CODE, TABLE IWB-2500-1, REACTOR VESSEL CIRCUMFERENTIAL WELD EXAMINATION REQUIREMENTS (CAC NO. MF6361)
Dear Sir or Madam:
By letter dated June 4, 2015 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML15166A037), as supplemented by letter dated October 21, 2015 (ADAMS Accession No. ML15301A255), Entergy Nuclear Operations, Inc. (the licensee) submitted Relief Request Nos. PRR-50 and PRR-51 to the U.S. Nuclear Regulatory Commission (NRC) for relief from certain American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI requirements at the Pilgrim Nuclear Power Station (Pilgrim). (The October 21, 2015, letter was relative only to Relief Request No. PRR-50.) On January 5, 2016, the NRC issued a safety evaluation (SE) to the licensee for Relief Request No. PRR-50 (ADAMS Accession No. ML15338A309).
Pursuant to Title 10 of the Code of Federal Regulations (10 CFR), Section 50.55a(z)(1
), the licensee requested to use proposed alternative Relief Request No. PRR-51 on the basis that the alternative provides an acceptable level of quality and safety. The licensee proposed an alternative to reactor vessel (RV) circumferential weld examinations as currently required by the ASME Code, Table IWB-2500-1, through the period of extended operation (PEO). The NRC staff finds that the information submitted by the licensee related to the RV circumferential welds supports the determination that the conditional probability of failure at the end of the PEO is bounded by the limiting conditional probability of failure for a Combustion Engineering-fabricated RV. Therefore, the staff finds that the licensee has met the two plant-specific conditions described in Generic Letter 98-05, "Boiling Water Reactor Licensees Use of the BWRVIP-05 Report to Request Relief from Augmented Examination Requirements on Reactor Pressure Vessel Circumferential Shell Welds," which are required to obtain relief from inspection of circumferential RV welds. As set forth in the enclosed SE, the NRC staff concludes that the alternatives proposed in Relief Request No. PRR-51 will provide an acceptable level of quality and safety. Therefore, pursuant to 10 CFR 50.55a(z)(1
), the request for proposed alternative, PRR-51, is authorized for use during the remainder of the PEO for Pilgrim, which began May 29, 2012, and ends June 8, 2032.
Vice President, Operations All other ASME Code,Section XI requirements for which relief was not specifically requested and approved in this proposed alternative Relief Request No. PRR-51, remain in effect. If you have any questions, please contact the project manager, Booma Venkataraman, at (301) 415-2934 or Booma.Venkataraman@nrc.gov.
Docket No. 50-293
Enclosure:
Safety Evaluation cc w/enclosure:
Distribution via Listserv Sincerely, Travis L. Tate, Chief Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION PROPOSED ALTERNATIVE RELIEF REQUEST NO. PRR-51 ENTERGY NUCLEAR OPERATIONS, INC. PILGRIM NUCLEAR POWER STATION DOCKET NO. 50-293
1.0 INTRODUCTION
By letter dated June 4, 2015 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML15166A037), as supplemented by letter dated October 21, 2015 (ADAMS Accession No. ML15301A255), Entergy Nuclear Operations, Inc. (Entergy or the licensee) submitted Relief Request Nos. PRR-50 and PRR-51 to the U.S. Nuclear Regulatory Commission (NRC) for relief from certain American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI requirements at the Pilgrim Nuclear Power Station (Pilgrim). (The October 21, 2015, letter was relative only to Relief Request No. PRR-50.) On January 5, 2016, the NRC issued a safety evaluation (SE) to the licensee for Relief Request No. PRR-50 (ADAMS Accession No. ML15338A309).
In its June 4, 2015, letter (ADAMS Accession No. ML15166A037), Entergy submitted a request to the NRC for relief. Pilgrim Relief Request No. PRR-51 requested relief from reactor vessel (RV) circumferential weld examinations as currently required by the ASME Code, Table IWB-2500-1, through the end of the period of extended operation (PEO) for Pilgrim. The request for the proposed alternative relief was made pursuant to the provisions of Title 10 of the Code of Federal Regulations (10 CFR), Section 50.55a(z)(1
), for the remainder of Pilgrim's PEO, which will end on June 8, 2032. The ASME Code of record for Pilgrim's fourth 10-year inservice inspection (ISi) interval is the 2001 Edition through the 2003 Addenda. The proposed alternative would eliminate the requirement to inspect the circumferential welds, except for the areas of intersection with the axial welds, consistent with the guidance provided in Generic Letter (GL) 98-05, "Boiling Water Reactor Licensees Use of the BWRVIP-05 Report to Request Relief from Augmented Examination Requirements on Reactor Pressure Vessel Circumferential Shell Welds" (ADAMS Accession No. ML031430368), and the NRC staff's SE for Electric Power Research Institute report, "BWR Vessel and Internals Project [BWRVIP], BWR Reactor Pressure Vessel Shell Weld Inspection Recommendations (BWRVIP-05)" (BWRVIP-05) (ADAMS Legacy Accession No. 9808040037).
During the staff's review of the Pilgrim license renewal application, the staff requested additional information to determine whether the licensee intended to apply for relief from the ASME Code RV circumferential weld examination requirements for the PEO. By letter dated October 6, 2006 Enclosure (ADAMS Accession No. ML062910173), the licensee indicated that a request for alternative under the provisions of 10 CFR 50.55a would be submitted to exclude the RV shell circumferential welds from examination.
Therefore, the proposed alternative addresses the NRC staff's expectation that relief would be requested as described in Section 4.2.5 of NUREG-1891, "Safety Evaluation Report Related to the License Renewal of Pilgrim Nuclear Power Station" (ADAMS Accession No. ML073241016).
2.0 REGULATORY REQUIREMENTS The ISi of the ASME Code, Class 1, 2, and 3 components is performed in accordance with Section XI of the ASME Code and applicable addenda as required by 10 CFR 50.55a(g).
Section 50.55a(z)(1) of 10 CFR states that alternatives to the requirements of paragraph (g) may be used when authorized by the NRC if the "proposed alternatives would provide an acceptable level of quality and safety." Pursuant to 10 CFR 50.55a(g)(4), ASME Code Class 1, 2, and 3 components (including supports) must meet the requirements, except the design and access provisions and the preservice examination requirements, set forth in the ASME Code,Section XI, "Rules for lnservice Inspection of Nuclear Power Plant Components," to the extent practical, within the limitations of design, geometry, and materials of construction of the components.
The regulations require that inservice examination of components and system pressure tests conducted during the first 10-year interval, and subsequent intervals, comply with the requirements in the latest edition and addenda of Section XI of the ASME Code, incorporated by reference in 10 CFR 50.55a(b), 12 months prior to the start of the 120-month interval, subject to the limitations and modifications listed therein. Pursuant to 10 CFR 50.55a(z)(1
), alternatives to requirements may be authorized by the NRC if the licensee demonstrates that the proposed alternatives provide an acceptable level of quality and safety. The licensee submitted the subject request for authorization of an alternative, pursuant to 10 CFR 50.55a(z)(1
), and proposed relief from RV circumferential weld examinations as currently required by the ASME Code, Table IWB-2500-1, through the end of the PEO for Pilgrim. For RV circumferential welds, the NRC staff's final SE for Topical Report (TR) BWRVIP-05, dated July 28, 1998, concluded that elimination of the ISi of the RV circumferential welds for boiling-water reactors (BWRs) is justified, since the failure frequency for circumferential welds in BWR plants is significantly below the criterion specified in Regulatory Guide (RG) 1.154, "Format and Content of Plant-Specific Pressurized Thermal Shock Safety Analysis Reports for Pressurized Water Reactors," dated January 1987 (ADAMS Accession No. ML003740028).
The NRC staff notes that RG 1.154 was withdrawn on January 14, 2011 (76 FR 2726), for general application to future licensee relief requests.
However, the acceptability of the use of BWRVIP-05, specifically for Pilgrim, was previously affirmed in the NRC staff technical evaluation presented in Section 4.2.5 of NUREG-1891.
GL 98-05 provided recommendations for licensees planning to request permanent relief from the ISi requirements of 10 CFR 50.55a(g) for the volumetric examination of circumferential RV welds (ASME Code Section XI, Table IWB-2500-1, Examination Category B-A, Item 1.11, Circumferential Shell Welds). The recommendations were based on the NRC staff's final SE of TR 8WRVIP-05 and included the need for licensees to perform their required inspections of "essentially 100 percent" of all axial welds. These recommendations were only applicable to the remaining term of operation under the initial existing license. Section 4.2.5 of NUREG-1891, however, noted the NRC staff's expectation that relief would be requested for the PEO utilizing neutron fluence calculations consistent with RG 1.190, "Calculational and Dosimetry Methods for Determining Pressure Vessel Neutron Fluence," dated March 2010 (ADAMS Accession No. ML010890301
), to demonstrate that limiting neutron fluence values will not be reached during the PEO. Neutron fluence projections are needed to support the determination that the conditional failure probability of the welds for which relief is requested remains bounded by the limiting conditional failure probability described in the NRC staff's final SE of TR 8WRVIP-05.
RG 1.190 describes methods and assumptions acceptable to the NRC staff for determining the RV neutron fluence. 3.0 TECHNICAL EVALUATION 3.1 ASME Code Component Affected The ASME Code components affected by the licensee's proposed alternative are listed below: Code Class: Weld Numbers: Examination Category:
Item Number: 3.2 ASME Code Requirements 1 RPV-C-1-344, RPV-C-9-338, RPV-C-3-339A, and RPV-C-3-3398 8-A 81 .11 The ASME Code,Section XI, 2007 Edition through 2008 Addenda, Table IW8-2500-1, Examination Category 8-A, Item 81 .11, requires a volumetric examination of all (essentially 100 percent) of the circumferential shell welds each interval.
3.3 Licensee's Proposed Alternative to the ASME Code The licensee's proposed alternative is permanent relief from the ISi requirements of 1 O CFR 50.55a(g) for the volumetric examination of circumferential RV welds (ASME Code,Section XI, Table IW8-2500-1, Examination Category 8-A, Item 81 .11 ). This is based on the probabilistic risk analysis of 8WRVIP-05, combined with the continued implementation of operator procedures and training to limit the frequency of cold overpressure events in accordance with the recommendations of GL 98-05. The licensee will continue to perform their required inspections of "essentially 100 percent" of all axial welds. 3.4 Licensee's Basis for Alternative As its technical basis for relief from inspection of the RV circumferential welds, the licensee cited information from Section 4.2.5 of NUREG-1891.
In the license renewal application and NUREG-1891, relief from the circumferential weld examination was evaluated as a time-limited aging analysis (TLAA). The licensee provided plant-specific information to demonstrate that the RV will remain bounded by the assumptions of BWRVIP-05 for the PEO. During review of the Pilgrim license renewal application, the staff found the RV neutron fluence TLAA evaluation in Section 4.2.1 of the original application unacceptable, due to lack of benchmarking data in support of the plant-specific neutron fluence calculations.
This was identified as Open Item (01) 4.2. As stated in the June 4, 2015, submittal:
To close the 01, PNPS [Pilgrim Nuclear Power Station] proposed an alternative analysis to address all fluence related TLAAs for the extended operating period. The alternative analysis assumed increasing fluence levels until an ASME Code or regulatory limit is reached based on the projected changes in material properties.
Changes in the vessel (ferritic) steel material properties are measured by an increase in adjusted reference temperature or a decrease in Charpy upper-shelf energy. The effects of increasing fluence on the austenitic stainless steel core shroud and internals was also considered.
By assuming increasing fluence levels, the analysis identifies the maximum fluence that can be experienced while meeting the Code and regulatory criteria.
This analysis also shows that there is a large margin available to this limiting fluence at the end of the PEO. The analysis determined that the limiting fluence value was set by a maximum mean RT NDT value for the axial weld failure probability of 114 EF, in order for the axial weld failure frequency to remain below 5 x 10*5 per reactor operating year. The corresponding maximum allowable inner diameter (ID) fluence for the RV axial welds was determined to be 3.37 x 10 18 n/cm 2. If the fluence remains below this limiting value during the PEO, the fluence will result in acceptable results for all fluence-related TLAAs. To confirm that the limiting fluence will not be reached during the PEO and consequently that all of the fluence-related TLAAs remain valid, Commitment 48, was added, but subsequently superseded by [License Renewal Condition]
LRC 4.2.6. The staff issued License Condition 4.2.6: On or before June 8, 2010, the applicant (Entergy) will submit to the NRC correctly benchmarked RV neutron fluence calculations, consistent with RG 1.190, that will confirm that the neutron fluence for the lower intermediate shell axial welds, at the inner surface of the RV, will not reach the limiting value of 3.37 x 10 18 n/cm2 (E>1.0 Me V) by the end of the period of extended operation (54 EFPY [effective full-power year]). LRC 4.2.6 was addressed by PNPS letter dated January 24, 2010, "Proposed License Amendment to Technical Specifications:
P-T Limit Curves and Relocation of Pressure-Temperatures (P-T) Curves to the Pressure and Temperature Limits Report (PTLR)." In part, information provided to the staff in response to LRC 4.2.6 stated: Pilgrim has been a participant in the NRC approved BWRVIP Integrated Surveillance Program as authorized by License Amendment No. 209. As such, Pilgrim opted to use the Monticello Nuclear Power Plant, a BWR/3 class plant, benchmarking evaluation to produce benchmarked Pilgrim-specific fluence and ART values, and revised P-T curve. Entergy has determined that Monticello reactor pressure vessel fluence calculation for a BWR/3 provides an acceptable benchmark for Pilgrim fluence data to support revised P-T Curves for Pilgrim Operating Cycle 18 and beyond. This information was discussed with the NRC Staff on or about October 17, 2008. The NRC staff concurred with the Entergy approach to use Monticello fluence for benchmarking Pilgrim RAMA fluence calculation (as documented in NRC ADAMS Accession Number ML090370920) and to submit Pilgrim revised P-T curves for NRC approval.
3.5 Duration of the Alternative The licensee requested use of the proposed alternative for the entire PEO for Pilgrim, which ends June 8, 2032. 3.6 NRC Staff Evaluation of the Alternative Section 4.2.5 of NUREG-1891 documents the NRC staff's evaluation of the RV circumferential weld TLAA. In accordance with the requirements from the NRC staff's SE of BWRVIP-05 for plants to be granted relief from inspection of circumferential welds, the NRC staff concluded that the conditional failure probability of the Pilgrim RV circumferential welds would be bounded by the limiting con.ditional probability of failure for RVs fabricated by Combustion Engineering for the duration of the PEO. The staff evaluation in Section 4.2.5 of NUREG-1891 states: Section A.4.5 of the BWRVIP-74 Report indicates that the staff's SER of the BWRVIP-05 report conservatively evaluated the BWR RVs to 64 EFPY, 10 EFPY greater than realistically expected for the end of the license renewal period. In its SE on the BWRVIP-05 Report dated July 28, 1998, the staff used the mean RT NDT value to evaluate the failure probability of BWR circumferential welds at 32 and 64 EFPY. The neutron fluence in this evaluation was that at the RV inner diameter clad-weld interface.
As reported in SE Section 4.2, the staff found that the applicant correctly applied the 64 EFPY mean RT NDT value of 128.5 °F [degrees Fahrenheit]
from Table 2.6-5 of the staff SER on the BWRVIP-05 Report in the back-calculation of the maximum allowable 54 EFPY fluence for this TLAA. The staff used this mean RT NOT value in its evaluation of the BWRVIP-05 Report for determining an acceptable circumferential weld conditional failure probability.
The 128.5 °F 64 EFPY mean RT NOT value from the staff SER on the BWRVIP-05 Report is characteristic of welds by Combustion Engineering, which fabricated the circumferential welds in the RV. During the original license renewal review, the staff concluded that due to the lack of benchmarking data in support of the plant-specific RAMA neutron fluence calculations, it was not able to approve the 54 EFPY fluence values for use in support of the TLAA for the RV circumferential weld inspection relief. License Condition 4.2.6 was imposed to confirm the results of the applicant's calculations regarding the RV circumferential weld examination relief TLAA as projected through the PEO. By letter dated January 24, 2010 (ADAMS Accession No. ML100270054), as supplemented by letters dated September 7, 2010, and November 4, 2010 (ADAMS Accession Nos. ML102580240 and ML103200208, respectively), the licensee submitted modifications to the Pilgrim Technical Specifications (TSs), Section 1.0, "Definitions";
Section 3.6, "Primary System Boundary," Specification 3.6.A; and Section 5.5, "Programs and Manuals," to include reference to the Pressure and Temperature Limits Report (PTLR) in addressing LRC 4.2.6. The staff SE dated January 26, 2011 (ADAMS Accession No. ML110050298), approved the changes, including revised neutron fluence calculations, which the staff determined were based upon acceptable benchmarking data. The NRC staff performed a confirmatory calculation of the mean RT Nor for the limiting circumferential weld using the cited neutron fluence, copper, and nickel values, and obtained the same results as the licensee.
The NRC staff concludes that the licensee has demonstrated that the conditional failure probability of the Pilgrim RV, with no circumferential weld examinations, will remain bounded through the end of the PEO. This is in accordance with the limiting conditional failure probability from the NRC staff's final SE of BWRVIP-05, since the mean RT NOT values will remain bounded by the generic mean RT NOT value for an RV fabricated by Combustion Engineering.
Therefore, the NRC staff finds the licensee's alternative to be acceptable for the duration of the PEO.
4.0 CONCLUSION
The NRC staff finds the information submitted by the licensee related to the RV circumferential welds supports the determination that the conditional probability of failure at the end of the PEO is bounded by the limiting conditional probability of failure for a Combustion Engineering-fabricated RV. This finding is based on the projected mean RT NOT of the limiting circumferential weld material for Pilgrim, which is a function of the chemistry and projected neutron fluence for this material.
The projected mean RT NOT values for Pilgrim are less than the mean RT NOT value associated with the limiting conditional failure probability for a Combustion Engineering-fabricated RV cited in the NRC staff's SE of BWRVIP-05.
Additionally, the licensee will continue to implement operator training and procedures to limit the frequency of cold overpressure events to the amount specified in the NRC staff's SE for the BWRVIP-05 report issued on July 28, 1998. Therefore, the licensee has met the two plant-specific conditions described in GL 98-05 that are required to obtain relief from inspection of circumferential RV welds. On this basis, the NRC staff concludes that the proposed alternative for relief from inspection of RV circumferential welds provides an acceptable level of quality and safety. Therefore, pursuant to 10 CFR 50.55a(z)(1
), the request for proposed alternative, PRR-51, from the requirements of the ASME Code,Section XI, Table IWB-2500-1, Examination Category 8-A, Item 81 .11, pertaining to RV circumferential shell welds is authorized for Pilgrim for the duration of the PEO as defined in Section 3.5 of this SE. All other ASME Code,Section XI requirements for which relief was not specifically requested and approved in this proposed alternative, Relief Request No. PRR-51, remain in effect. Principal Contributor:
Carolyn Fairbanks Date: March 15, 2016 Vice President, Operations All other ASME Code,Section XI requirements for which relief was not specifically requested and approved in this proposed alternative Relief Request No. PRR-51, remain in effect. If you have any questions, please contact the project manager, Booma Venkataraman, at (301) 415-2934 or Booma.Venkataraman@nrc.gov.
Docket No. 50-293
Enclosure:
Safety Evaluation Sincerely, IRA/ Travis L. Tate, Chief Plant Licensing Branch 1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation cc w/enclosure:
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