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Category:Inspection Plan
MONTHYEARIR 05000317/20230052023-08-31031 August 2023 Updated Inspection Plan for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2023005 and 05000318/2023005) IR 05000317/20220062023-03-0101 March 2023 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Reports 05000317/2022006 and 05000318/2022006) ML23047A1022023-02-16016 February 2023 Information Request for the Cyber Security Baseline Inspection, Notification to Perform Inspection 05000317/2023401 and 05000318/2023401 ML23040A0102023-02-0909 February 2023 Notification of Commercial Grade Dedication Inspection (05000317/2023012 and 05000318/2023012) and Request for Information IR 05000317/20220052022-08-31031 August 2022 Updated Inspection Plan for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2022005 and 05000318/2022005) ML22179A2112022-06-28028 June 2022 Notification of Conduct of a Fire Protection Team Inspection IR 05000317/20210062022-03-0202 March 2022 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Reports 05000317/2021006 and 05000318/2021006) IR 05000317/20210052021-09-0101 September 2021 Updated Inspection Plan for the Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2021005 and 05000318/2021005) ML21187A2232021-07-29029 July 2021 Temporary Instruction 2515/194 Inspection Documentation Request IR 05000317/20200062021-03-0303 March 2021 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Reports 05000317/2020006 and 05000318/2020006) ML21053A3142021-02-22022 February 2021 Information Request for a Triennial Baseline Design Bases Assurance Inspection (Team); Inspection Report 05000317/2021010 and 05000318/2021010 IR 05000317/20200052020-08-31031 August 2020 Updated Inspection Plan (Inspection Report 05000317/2020005 and 05000318/2020005) ML20154K4602020-06-0202 June 2020 Information Request to Support Triennial Baseline Design-Basis Capability of Power-Operated Valves Inspection; Inspection Report 05000317/2020011 and 05000318/2020011 IR 05000317/20190062020-03-0303 March 2020 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2019006 and 05000318/2019006) IR 05000317/20190052019-08-28028 August 2019 Updated Inspection Plan (Inspection Reports 05000317/2019005 and 05000318/2019005) ML19141A1242019-05-21021 May 2019 Notification of Conduct of a Triennial Fire Protection Baseline Inspection and Request for Information IR 05000317/20180062019-03-0404 March 2019 Annual Assessment Letter for the Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Reports 05000317/2018006 and 05000318/2018006) ML18348A4812018-12-13013 December 2018 Information Request for the Cyber-Security Inspection, Notification to Perform Inspection 05000317/2019403 and 05000318/2019403 IR 05000317/20180052018-08-28028 August 2018 Updated Inspection Plan: Inspection Report 05000317/2018005 and 05000318/2018005 IR 05000317/20170062018-02-28028 February 2018 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2017006 and 05000318/2017006, Report 05000317/2017402 and 05000318/2017402, Report 05000317/2017501 and 05000318/2017501) IR 05000317/20170052017-08-28028 August 2017 Updated Inspection Plan for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 - Inspection Report 05000317/2017005 and 05000318/2017005 IR 05000317/20160062017-03-0101 March 2017 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2016006 and 05000318/2016006) IR 05000317/20160052016-08-31031 August 2016 Mid-Cycle Assessment Letter for Calvert Cliffs Nuclear Power Plant Units 1 and 2, Report 05000317/2016005 and 05000318/2016005 IR 05000317/20150062016-03-0202 March 2016 2015 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2015006 and 05000318/2015006) IR 05000317/20150052015-09-0101 September 2015 Mid-Cycle Assessment Letter for Calvert Cliffs Nuclear Power Plant Units 1 and 2 (Report 05000317/2015005 and 05000318/2015005) IR 05000317/20140012015-03-0404 March 2015 2014 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant Units 1 and 2, (Report 05000317/2014001 and 05000318/2014001)(w/Inspection Plan) IR 05000317/20140062014-09-0202 September 2014 Mid-Cycle Assessment Letter and Inspection Plan 2014 (ROP-15) - Calvert Cliffs Nuclear Power Plant Units 1 and 2 (Report 05000317-14-006 and 05000318-14-006) ML14206A9932014-07-25025 July 2014 Conrete Bench-Top Autoclave Experiment Test Plan for Calvert Cliffs Nuclear Power Plant. CCNPP-CHLE-010, Revision 1 IR 05000317/20130012014-03-0404 March 2014 2013 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant Units 1 and 2 (Report 05000317/2013001 and 05000318/2013001) (W/Inspection Plan) ML13267A0052013-09-23023 September 2013 Requal Program Inspection 60 Day Letter IR 05000317/20130062013-09-0303 September 2013 Mid-Cycle Performance Review and Inspection Plan 2013 (ROP-14) - Calvert Cliffs Nuclear Power Plant Units 1 and 2 (Report 05000317-13-006 and 05000318-13-006) IR 05000317/20120012013-03-0404 March 2013 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant, Units 1 & 2 (Report 05000317-12-001 and 05000318-12-001) ML12244A2032012-09-0404 September 2012 Mid-Cycle Performance Review and Inspection Plan - 2013 Calvert Cliffs Nuclear Power Plant Units 1 and 2 IR 05000317/20110012012-03-0505 March 2012 Annual Assessment Letter(Report 05000317/2011001 and 05000318/2011001) ML1124208652011-09-0101 September 2011 Mid-Cycle Performance Review and Inspection Plan 2011 - Calvert Cliffs Nuclear Power Plant Units 1 and 2 IR 05000317/20100012011-03-0404 March 2011 Annual Assessment Letter for Calvert Cliffs Nuclear Power Plant-05000317/2010001 and 05000318/2010001 ML1031402312010-11-10010 November 2010 Pre-Inspection Cover Sheet and Inspection Plan (12/6/10 - 12/10/10) ML1024402082010-09-0101 September 2010 Mid-Cycle Performance Review and Inspection Plan 2010 - Calvert Cliffs Nuclear Power Plant ML1016600082010-06-15015 June 2010 Pre-Inspection Cover Sheet and Inspection Plan (6/7 - 6/11/10) ML1006208092010-03-0303 March 2010 Annual Assessment Letter ML0924402772009-09-0101 September 2009 Mid-Cycle Performance Review and Inspection Plan - Calvert Cliffs Nuclear Power Plant, Dated 09/01/2009 IR 05000317/20090012009-03-0404 March 2009 IR 05000317-09-001 and 05000318-09-001, on 01/01/2009 - 12/31/2008, Calvert Cliffs Nuclear Power Plant Annual Assessment Report IR 05000317/20080012008-09-0202 September 2008 Mid-Cycle Performance Review and Inspection Plan, Calvert Cliffs, (IR 05000317-08-001 and 05000318-08-001) ML0806100132008-03-0303 March 2008 (05000317-08-001, 05000318-08-001, )Annual Assessment Letter EOC 2007 ROP8 ML0734707242007-12-13013 December 2007 ROP8 - Change to the Inspection Plan for the Calvert Cliffs Nuclear Power Plant ML0724309302007-08-31031 August 2007 Mid-Cycle Performance Review and Inspection Plan - Calvert Cliffs Nuclear Power Plant IR 05000317/20070012007-03-0202 March 2007 Annual Assessment Letter EOC 2006 - Calvert Cliffs Station (IR 05000317-07-001 and 05000318-07-001) ML0624304482006-08-31031 August 2006 Mid-Cycle Performance Review and Inspection Plan - Calvert Cliffs Nuclear Power Plant ML0606203372006-03-0202 March 2006 2006-001 - Annual Assessment Letter - Calvert Cliffs Nuclear Power Plant (Report 05-317/2006001 and 05-318/2006001) ML0524206942005-08-30030 August 2005 2005 Mid-Cycle Review and Inspection Plan - Calvert Cliffs 2023-08-31
[Table view] Category:Letter
MONTHYEARIR 05000317/20230042024-02-0101 February 2024 Integrated Inspection Report 05000317/2023004 and 05000318/2023004 ML24029A0102024-01-29029 January 2024 Request for Information and Notification of Conduct of IP 71111.21.N.04, Age-Related Degradation, Reference Inspection Report 05000317/2024010 and 05000318/2024010 ML24003A8872024-01-19019 January 2024 Exemption from Select Requirements of 10 CFR Part 73 (EPID L-2023-LLE-0033 (Security Notifications, Reports, and Recordkeeping and Suspicious Activity Reporting)) 05000318/LER-2023-004, Submittal of LER 2023-004-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Submittal of Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer2024-01-16016 January 2024 Submittal of LER 2023-004-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Submittal of Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer ML24011A0732024-01-11011 January 2024 Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping 05000318/LER-2023-002, Forward LER 2023-002-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer2024-01-0808 January 2024 Forward LER 2023-002-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Automatic Reactor Trip from Reactor Protection System Actuation Due to Loss of Unit Service Transformer 05000318/LER-2023-003, Forward LER 2023-003-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Manual Actuation of Auxiliary Feedwater System Due to 22 Steam Generator Feedwater Pump Trip2024-01-0808 January 2024 Forward LER 2023-003-00 for Calvert Cliffs Nuclear Power Plant, Unit 2, Manual Actuation of Auxiliary Feedwater System Due to 22 Steam Generator Feedwater Pump Trip ML24005A0222024-01-0505 January 2024 Revised Steam Generator Tube Inspection Reports ML23304A0642024-01-0202 January 2024 Issuance of Amendment No. 349 to Modify the Long-Term Coupon Surveillance Program RS-23-125, Request for Exemption from 10 CFR 2.109(b)2023-12-0707 December 2023 Request for Exemption from 10 CFR 2.109(b) ML23331A2992023-11-27027 November 2023 Submittal of Condition Prohibited by Technical Specifications Due to Failure to Sample Diesel Generator Fuel Oil Storage Tank IR 05000317/20230102023-11-20020 November 2023 Biennial Problem Identification and Resolution Inspection Report 05000317/2023010 and 05000318/2023010 ML23318A4722023-11-14014 November 2023 Supplement to License Amendment Request to Adopt TSTF-59-A ML23317A1032023-11-10010 November 2023 Supplemental Information Letter for Part 73 Exemption Request - Responses to Request for Confirmatory Information ML23317A1192023-11-10010 November 2023 Constellation Energy Generation, LLC - 2023 Annual Report - Guarantees of Payment of Deferred Premiums ML23310A0442023-11-0707 November 2023 Project Manager Assignment IR 05000317/20230402023-11-0202 November 2023 95001 Supplemental Inspection Report 05000317/2023040 and Follow-Up Assessment Letter IR 05000317/20230032023-11-0101 November 2023 Integrated Inspection Report 05000317/2023003 and 05000318/2023003 IR 05000317/20230902023-10-26026 October 2023 Final Significance Determination of a White Finding with Assessment Follow-Up and Notice of Violation; Inspection Report 05000317/2023090 ML23289A1202023-10-16016 October 2023 Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation RS-23-097, Constellation Energy Generation, LLC, Advisement of Leadership Changes and Submittal of Updated Standard Practice Procedures Plans2023-10-12012 October 2023 Constellation Energy Generation, LLC, Advisement of Leadership Changes and Submittal of Updated Standard Practice Procedures Plans RS-23-108, Proposed Alternative for Examinations of Examination Categories B-B, B-D, and C-A Steam Generator Pressure Retaining Welds and Full Penetration Welded Nozzles2023-10-11011 October 2023 Proposed Alternative for Examinations of Examination Categories B-B, B-D, and C-A Steam Generator Pressure Retaining Welds and Full Penetration Welded Nozzles RS-23-105, Proposed Alternative for Examinations of Examination Category C-B Steam Generator Nozzle-to-Shell Welds and Nozzle Inside Radius Sections2023-10-10010 October 2023 Proposed Alternative for Examinations of Examination Category C-B Steam Generator Nozzle-to-Shell Welds and Nozzle Inside Radius Sections ML23279A1202023-10-0606 October 2023 Response to NRC Inspection Report and Preliminary White Finding IR 05000317/20230502023-09-29029 September 2023 Special Inspection Report 05000317/2023050 and Preliminary White Finding and Apparent Violation ML23272A1032023-09-29029 September 2023 Condition Prohibited by Technical Specifications Due to Inoperable Nuclear Instrumentation at Very Low Power IR 05000317/20234012023-09-18018 September 2023 Cyber Security Inspection Report 05000317/2023401 and 05000318/2023401 ML23254A0012023-09-0505 September 2023 Registration of Use of Casks to Store Spent Fuel IR 05000317/20230052023-08-31031 August 2023 Updated Inspection Plan for Calvert Cliffs Nuclear Power Plant, Units 1 and 2 (Report 05000317/2023005 and 05000318/2023005) ML23158A1952023-08-30030 August 2023 R. E. Ginna - Issuance of Amendments to Adopt TSTF-273-A, Revision 2, Safety Function Determination Program Clarifications ML23241A8412023-08-29029 August 2023 Response to Request for Additional Information - Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping ML23240A3872023-08-28028 August 2023 Senior Reactor and Reactor Operator Initial License Examinations ML23151A3472023-08-21021 August 2023 Issuance of Amendments to Adopt TSTF-295-A, Modify Note 2 to Actions of PAM Table to Allow Separate Condition Entry for Each Penetration ML23219A1662023-08-16016 August 2023 Request for Additional Information Regarding Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping (EPID: L-2023-LLR-0006) - Non-proprietary ML23228A1002023-08-15015 August 2023 Notification of Readiness for NRC 95001 Inspection ML23188A0402023-08-0808 August 2023 Issuance of Amendment Nos. 346 and 324 Adoption of TSTF-577, Revised Frequencies for Steam Generator Tube Inspections, Revision 1 ML23214A1572023-08-0707 August 2023 Correction to the Renewed Facility Operating License Page 3 in Amendment No 345 IR 05000317/20230022023-08-0303 August 2023 Integrated Inspection Report 05000317/2023002 ML23188A0512023-07-13013 July 2023 Correction to the Renewed Facility Operating License Pages in Amendment Nos. 336 and 314 ML23186A0372023-07-13013 July 2023 Correction to the Renewed Facility Operating License Pages in Amendment Nos. 340 and 318 IR 05000317/20233012023-07-12012 July 2023 Initial Operator Licensing Examination Report 05000317/2023301 and 05000318/2023301 IR 05000317/20230122023-07-10010 July 2023 Commercial Grade Dedication Report 05000317/2023012 and 05000318/2023012 ML23180A2362023-06-29029 June 2023 Correction of Errors on Technical Specification Pages RS-23-083, Withdrawal - Proposed Alternatives Related to the Steam Generators2023-06-27027 June 2023 Withdrawal - Proposed Alternatives Related to the Steam Generators ML23156A6752023-06-20020 June 2023 Request for Withholding Information from Public Disclosure for Proposed Alternative to the Requirements for Repair/Replacement of Saltwater System Buried Piping 2024-02-01
[Table view] Category:Request for Additional Information (RAI)
MONTHYEARML24012A0492024-01-11011 January 2024 Request for Additional Information Regarding Final Response to Generic Letter 2004-02 ML23219A1662023-08-16016 August 2023 Request for Additional Information Regarding Proposed Alternative to the Requirements for Repair/Replacement of Saltwater (SW) System Buried Piping (EPID: L-2023-LLR-0006) - Non-proprietary ML23160A0222023-06-0606 June 2023 NRR E-mail Capture - Calvert Cliffs - Long Term Coupon Surveillance Program RAI ML23156A0102023-06-0404 June 2023 NRR E-mail Capture - Calvert Cliffs - RAI License Amendment Request for Emergency Desiel Generator ML22179A2112022-06-28028 June 2022 Notification of Conduct of a Fire Protection Team Inspection ML22129A0132022-05-0606 May 2022 NRR E-mail Capture - Draft RAIs for Requests for Alternatives I4R-17, I4R-23, ISI-05-018, I6R-10 ML22271A0772022-05-0606 May 2022 NRR E-mail Capture - Final RAIs 9.1.2021 Constellation Relief Request ML22091A0852022-04-0101 April 2022 NRR E-mail Capture - Braidwood and Byron - Final RAI Regarding Proposed Alternative for Various Pressurizer Welds (EPID L-2021-LLR-0035 and 0036) ML22091A2392022-04-0101 April 2022 NRR E-mail Capture - Calvert Cliffs - Formal RAI for Proposed Alternative for Examinations of Certain Pressurizer Welds ML22041B5362022-02-10010 February 2022 NRR E-mail Capture - Constellation Energy Generation, LLC - Request for Additional Information Regarding Fleet License Amendment Request to Adopt TSTF-541 ML21287A0322021-10-13013 October 2021 Request for Additional Information Re Proposed Alternative for Pressurizer Circumferential and Longitudinal Shell-to-Head Welds and Nozzle-to-Vessel Welds ML21287A0932021-10-0505 October 2021 Request for Additional Information: Calvert Cliffs 1 & 2 LAR to Revise Spent Fuel Pool Cooling - Shutdown Cooling Systems Licensing Basis (EPID L-2021-LLA-0112) (Email) ML21256A1902021-09-10010 September 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21187A2232021-07-29029 July 2021 Temporary Instruction 2515/194 Inspection Documentation Request ML21180A1562021-06-28028 June 2021 Request for Additional Information Regarding License Amendment Request Concerning Containment Sump ML21144A2132021-05-24024 May 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21130A0382021-05-21021 May 2021 Memo to File - Draft Request for Additional Information Relief Request CISI-03-01 Concerning Containment Unbonded Post-Tensioning System Inservice Inspection Requirements ML21117A0342021-05-0505 May 2021 Request for Additional Information Regarding Proposed Alternative to Use ASME Code Case N-893 ML21062A0652021-03-0101 March 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Proposed Fleet Alternative to Documentation Requirements for Pressure Retaining Bolting ML21053A3142021-02-22022 February 2021 Information Request for a Triennial Baseline Design Bases Assurance Inspection (Team); Inspection Report 05000317/2021010 and 05000318/2021010 ML21049A2572021-02-18018 February 2021 Request for Additional Information Byron/Dresden Proposed Changes to Site Emergency Plans to Support Post-Shutdown and Permanently Defueled Conditions (EPID-2020-LLA-0240 & EPID-2020-LLA-0237) ML21029A3302021-01-29029 January 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Fleet Alternative Request to Use ASME Code Case N-885 ML20275A0032020-09-30030 September 2020 Request for Additional Information Regarding Alternative Request Re Inservice Inspection Impracticality (L-2020-LLR-0089) ML20167A2532020-06-15015 June 2020 Second Request for Additional Information Regarding License Amendment Request Concerning Emergency Diesel Generator Surveillance Requirements for Frequency and Voltage Tolerances ML20157A0782020-06-0505 June 2020 Request for Additional Information Regarding License Amendment Request Concerning Emergency Diesel Generator Surveillance Requirements for Frequency and Voltage Tolerances ML20153A7042020-06-0101 June 2020 NRR E-mail Capture - Preliminary RAI for Fleet Request to Use Alternative OMN-26 ML20135H0132020-05-14014 May 2020 IP 71111.17T (50.59) List of Documents Request ML20083F5892020-03-21021 March 2020 Request for Additional Information Regarding License Amendment Request Concerning Reactor Coolant Pump Flywheel Inspection Program ML19275H1362019-10-0202 October 2019 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Request to Use ASME Code Case N-879 ML19261B2202019-09-18018 September 2019 Request for Additional Information Regarding Final Response to Generic Letter 2004-02 ML19179A0612019-07-19019 July 2019 Three Mile Point 1 - Supplemental Information Needed to Proposed Alternative to Use ASME Code Case N-879 ML19155A1612019-06-11011 June 2019 Changes to Draft Request for Additional Information Request to Adopt 10 CFR 50.69, Risk-Informed Categorization and Treatment of Systems, Structures and Components ML19155A1272019-06-0404 June 2019 Request for Additional Information Regarding Request to Adopt 10 CFR 50.69 Risk Informed Categorization and Treatment of Systems, Structures, and Components ML19070A0192019-03-11011 March 2019 Request for Additional Information Regarding Exemption Request from 10CFR50.46(A)(1) to Support Resolution of GSI-191 ML19025A1202019-01-24024 January 2019 NRR E-mail Capture - Calvert Cliffs, Fitzpatrick, and Nine Mile Point - Request for Additional Information Regarding License Amendment Request to Revise Emergency Response Organization Staffing ML18347A3972018-12-13013 December 2018 Request for Additional Information Regarding Relocation of Emergency Operation Facility ML18138A1372018-05-22022 May 2018 Plants, Units 1 and 2 - Request for Additional Information Regarding Risk Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML18128A3842018-05-0808 May 2018 Plants, Units 1 and 2 - Draft Request for Additional Information Regarding Risk-Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML18102A2372018-04-12012 April 2018 NRR E-mail Capture - Calvert Cliffs, Ginna, and Nine Mile Point - Request for Additional Information Regarding License Amendment Request to Revise Emergency Action Level Schemes (EPID-L-2017-LLA-0237) ML18067A1482018-03-0808 March 2018 Enclosurequest for Additional Information (Letter to P. R. Simpson Request for Additional Information Regarding Exelon Generating Company, Llc'S Decommissioning Funding Plan Update for Independent Spent Fuel Storage Installation) ML17345A0912018-01-19019 January 2018 Plants, Units 1 and 2 - Request for Additional Information Regarding Alternative Request SI-RR-01, Rev. 0 (CAC Nos. MG0068 and MG0069; EPID L-2017-LLR-0078) ML17346A9092017-12-21021 December 2017 Request for Additional Information Regarding Risk-Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML17331B1342017-12-12012 December 2017 2, and R.E. Ginna Nuclear Power Plant - Request for Additional Information - Regarding ML17304A9412017-11-13013 November 2017 Request for Additional Information Regarding Risk-Informed Technical Specification Completion Times (CAC Nos. MF7415 and MF7416; EPID L-2016-LLA-0001) ML17285B1962017-10-27027 October 2017 Request for Additional Information Regarding Generic Letter 2016-01, Monitoring of Neutron-Absorbing Materials in Spent Fuel Pools. ML17075A0152017-03-16016 March 2017 E-mail from R. Guzman to E. Villar - Calvert Cliffs Unit Nos. 1 and 2 - Request for Additional Information License Amendment Request - Control Room Emergency Ventilation System ML17062A4912017-03-0303 March 2017 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Fleet Alternative to RPV Threads in Flange Examination (CAC Nos. MF8712-MF8729) ML16222A1252016-08-0909 August 2016 Request for Additional Information - Relief Request No. RR-ISI-04-11, 2016/08/08 E-mail from R.Guzman to T.Loomis ML15299A2792015-11-0303 November 2015 Request for Additional Information Regarding Relief Request for Dissimilar Metal Butt Welds ML15230A0322015-08-13013 August 2015 Request for Additional Information Regarding the National Association Standard 805 License Amendment Request Fire Protection 2024-01-11
[Table view] |
See also: IR 05000317/2021010
Text
UNITED STATES
NUCLEAR REGULATORY COMMISSION
REGION I
2100 RENAISSANCE BLVD., SUITE 100
KING OF PRUSSIA, PENNSLYVANIA 19406-2713
February 22, 2021
Mr. David P. Rhoades
Senior Vice President
Exelon Generation Company, LLC
President and Chief Nuclear Officer
Exelon Nuclear
4300 Winfield Road
Warrenville, IL 60555
SUBJECT: CALVERT CLIFFS NUCLEAR POWER PLANT, UNITS 1 AND 2 -
INFORMATION REQUEST FOR A TRIENNIAL BASELINE DESIGN BASES
ASSURANCE INSPECTION (TEAM); INSPECTION REPORT
05000317/2021010 AND 05000318/2021010
Dear Mr. Rhoades:
The purpose of this letter is to notify you that the U.S. Nuclear Regulatory Commission (NRC)
Region I staff will conduct a Design Bases Assurance Inspection (DBAI) at Calvert Cliffs, Units 1
and 2. Paul Cataldo, a Senior Reactor Inspector from the NRCs Region I Office, will lead the
inspection team. The inspection will be conducted in accordance with Inspection Procedure
71111.21M, Design Bases Assurance Inspection (Team), dated December 8, 2016 (ADAMS
Accession No. ML16340B000).
The inspection will evaluate the capability of risk-significant/low-margin components to function
as designed to support proper system operation. The inspection will also include a review of
selected modifications, operating experience, and as applicable, operator actions.
During a telephone conversation on February 16, 2021, with Mr. Kenneth Greene, Calvert Cliffs
Regulatory Assurance, we confirmed arrangements for the receipt of scoping documents for
information gathering and remote review, and the two-week onsite inspection(**), as follows:
- Information gathering and remote review: Weeks of March 22 through April 26, 2021
- Onsite weeks**: Weeks of June 7 and June 21, 2021
- Due to the current Covid PHE, some activities may be conducted remotely.
The purpose of the information-gathering and remote review is to identify risk-significant
components, modifications, operator actions, and operating experience items. Information and
documentation needed to support the inspection will also be identified. Frank Arner, a Region I
Senior Risk Analyst, will support Paul Cataldo during the information-gathering visit and remote
review, to evaluate probabilistic risk assessment data and identify components to be examined
during the inspection.
D. Rhoades 2
Experience with previous baseline design/modification inspections of similar depth and length
has shown this type of inspection is resource intensive, both for the NRC inspectors and the
licensee staff. In order to minimize the inspection impact on the site and to ensure a productive
inspection for both parties, we have enclosed a request for information needed for the
inspection.
It is important that all of these documents are up-to-date and complete in order to minimize the
number of additional documents requested during the preparation and/or the onsite portions of
the inspection. Insofar as possible, this information should be provided electronically to the lead
inspector. The information request has been divided into two groups:
- The first group lists information necessary for our initial inspection scoping activities.
After discussion with Mr. Greene, in recognition of the outage-related activities in March
2021, a majority of this information that should be easily and readily available for
uploading to Sharefile, should be provided to the lead inspector by the week of
March 22, 2021. Additionally, the remainder of the documents not uploaded due to
outage conflicts should be available to the lead inspector by April 12, 2021. By the week
of April 26, 2021, the lead inspector will communicate the initial selected set of
components and modifications.
- The second group of documents requested is those items needed to support our in-
office preparation activities. This set of documents, specific to the selected components
and modifications, should be provided to the lead inspector no later than May 28, 2021.
During the in-office preparation activities, the team may identify additional information
needed to support the inspection, and those items will be communicated directly to
Mr. Greene.
If there are any questions about the inspection or the material requested in the enclosure,
please contact the lead inspector at 603-395-5536 or via e-mail at pcc1@nrc.gov.
This letter does not contain new or amended information collection requirements subject to the
Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). Existing information collection
requirements were approved by the Office of Management and Budget, Control Number 3150-
0011. The NRC may not conduct or sponsor, and a person is not required to respond to, a
request for information or an information collection requirement unless the requesting document
displays a currently valid Office of Management and Budget Control Number.
D. Rhoades 3
This letter and its enclosure will be made available for public inspection and copying at
http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in
accordance with Title 10 of the Code of Federal Regulations, Part 2.390, Public Inspections,
Exemptions, Requests for Withholding.
Sincerely,
X /RA/
Signed by: Melvin K. Gray
Mel Gray, Chief
Engineering Branch 1
Division of Reactor Safety
Docket Nos. 05000317 and 05000318
License Nos. DPR-53 and DPR-69
Enclosure:
Document Request for Design Bases
Assurance Inspection
cc: Distribution via ListServ
ML21053A314
Non-Sensitive Publicly Available
SUNSI Review
Sensitive Non-Publicly Available
OFFICE RI/DRS RI/DRS RI/DRS
NAME PCataldo FArner MGray
DATE 2/17/21 2/17/21 2/22/21
DOCUMENT REQUEST FOR DESIGN BASES ASSURANCE INSPECTION
Inspection Report: 05000317/2021010 and 05000318/2021010
Onsite Inspection Dates: June 7 through June 11, 2021; and
June 21 through June 25, 2021
Inspection Procedure: Inspection Procedure 71111.21M, Design Bases Assurance
Inspection (Team)
Lead Inspector: Paul Cataldo, Senior Reactor Inspector
603-395-5536
PCC1@nrc.gov
I. Information Requested for Selection of Components and Modifications
The following information is requested by March 22, 2021 (and April 12, 2021 for remaining
documents not provided due to outage-related conflicts) to facilitate inspection preparation.
Feel free to contact the lead inspector as soon as possible if you have any questions
regarding this information request. Please provide the information electronically
(Certrec/Sharefile) in pdf files, Excel, or other searchable formats. Also, we understand
the prevailing use of Sharefile for inspection-related information for the Exelon fleet,
therefore, the files should contain descriptive names, and indexed and hyperlinked to
facilitate ease of use by the inspectors. Information in lists should contain enough
information to be easily understood by someone who has knowledge of light water reactor
technology.
1. The site probabilistic risk analysis (PRA) System Notebook and latest PRA Summary
Document.
2. Risk ranking of top 250 basic events sorted by Risk Achievement Worth (>/= 1.3).
Include values for Risk Reduction Worth, Birnbaum Importance, and Fussell-Vesely (as
applicable). Please provide in an excel spreadsheet or other sortable format, and to
include an understandable definition of the coded, basic events.
3. Risk-ranking of top 100 components from site-specific PRA sorted by Large Early
Release Frequency.
4. If you have an External Events or Fire PRA Model, provide the information requested in
Items 1 and 2 for external events and fire. Provide narrative description of each coded
event, including fire and flood zone descriptions.
5. List of time-critical and/or risk significant operator actions.
6. List of emergency and abnormal operating procedures.
7. If available, any pre-existing evaluation or list of components and associated
calculations with low design margins (e.g., pumps closest to the design limit for flow or
Enclosure
DOCUMENT REQUEST FOR DESIGN BASES ASSURANCE INSPECTION
pressure, diesel generator close to design required output, heat exchangers close to
rated design heat removal).
8. If applicable, copy of any self-assessments and/or Quality Assurance assessments of
low margin structures, systems and components (SSCs) completed since July 1, 2018.
9. List of available design margins in both the open and closed direction for valves in the
motor-operated valve and air-operated valve programs (related to GL 96-05, looking for
resultant output - matrix of risk vs margin for MOVs and AOVs, as applicable); the fleet
or Calvert Cliffs-specific MOV Program procedure.
10. The age and capacity of the safety-related DC batteries.
11. The In-Service Testing (IST) Program Basis document identifying the in-scope valves
and pumps, and the associated IST Program requirements for each component (e.g.,
IST valve table identifying category, active/passive function).
12. Access to IST trend data for the following pumps for both units: AFW pumps, HPSI
pumps, LPSI/RHS pumps, and SW pumps. [Note: needed for each discrete component
(e.g. for each RHR pump)]
13. Listing of MR (a)(1) systems, date entered into (a)(1) status, and brief description of
why (a)(1); if not included as part of Item 15 below, please include the latest System
Health report for those systems in (a)(1) status.
14. List of MRFFs evaluations completed since July 1, 2018 (include those determined not
to be a MRFF).
15. A copy of the most recent System Health and/or trending reports for the following
systems (as applicable): SR 4KV, SR 480 Vac, HPSI, LPSI/RHS, SW, SR 125 Vdc, and
EDGs.
16. A copy of the most recent Program Health and/or trending reports for the following
programs, as applicable: GL 89-10 (MOVs), GL 89-13, IST, AOVs, breakers, relays.
17. List of open operability evaluations, and the associated implementing procedure for
degraded and non-conforming conditions/operability evaluations; List of formal
operability evaluations performed for the last 4 years.
18. List of current operator work arounds/burdens.
19. List of permanent plant modifications to SSCs that are field work complete since
July 1, 2018. For the purpose of this inspection, permanent plant modifications include
permanent: plant changes, design changes, set point changes, equivalency
evaluations, suitability analyses, and commercial grade dedications. The list should
contain the number of each document, title (sufficient to understand the purpose of the
modification), revision/date, and the affected system. Please provide the design change
procedure that governs the implementation of the listed and applicable methods.
20. List of calculation changes (including new calculations) that have been issued for use
since July 1, 2018.
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DOCUMENT REQUEST FOR DESIGN BASES ASSURANCE INSPECTION
21. Corrective Action Program procedure.
22. Procedures addressing the following: modifications, design changes, set point changes,
equivalency evaluations or suitability analyses, commercial grade dedications, and
post-modification testing.
23. List of corrective action documents (open and closed) that address permanent plant
modifications issues, concerns, or processes, for the past four years; MOV-related
deficiencies, and any plant-level events that generated root or causal evaluations,
and/or associated Licensee Event Reports in the last four years.
24. Any internal/external self-assessments and associated corrective action documents
generated in preparation for this inspection.
25. Updated Final Safety Analysis Report, Technical Specifications, Technical
Specifications Bases, and Technical Requirements Manual.
26. Electrical simple one-line drawings for 4KV, 480V, & 345KV (scalable for electronic
viewing preferred).
27. Copy of Exelons internal responses to any applicable NRC Information Notices,
Generic Letters, or Regulatory Issue Summaries for the past four years.
28. A list of NRC Part 21 Reports, determined to be applicable to Calvert Cliffs, for the past
4 years.
29. DBDs (if applicable & available): SR 4KV, SR 480 Vac, HPSI, LPSI/RHS, SW, SR 125
Vdc, and EDGs.
II. Information Requested to Be Available by May 28, 2021
This information should be separated for each selected component and modification, especially
if provided electronically (e.g., a folder for each component and modification named after the
component or modification that includes the information requested below). Items 1 through 11
are associated with the selected components and Item 12 is for the selected modifications.
1. List of corrective action documents associated with each selected component for the
past four years.
2. Maintenance history (e.g., corrective, preventive, and elective) associated with each
selected component for the last five years. Identify frequency of preventive
maintenance activities.
3. Aging Management Program documents and/or License Renewal committed inspection
results applicable to each selected component.
4. List of calculations associated with each selected component, excluding data files. Pipe
stress calculations are excluded from this request.
5. System Health Report (last completed) and Design Basis Document associated with
each selected component, as applicable.
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DOCUMENT REQUEST FOR DESIGN BASES ASSURANCE INSPECTION
6. Access to or copy of vendor manual(s) for each selected component.
7. List of open temporary modifications associated with each selected component, if
applicable.
8. Trend data/graphs on the selected components performance for the past three years
(e.g., pump performance including IST, other vibration monitoring, oil sample results).
9. List of normal operating and alarm response procedures associated with each selected
component.
10. Last completed tests and surveillances for each selected component performed for the
past three years. For those tests and surveillances performed at a periodicity of greater
than three years, provide the latest test performed.
11. Schedule of surveillance testing of selected components that occur during the onsite
and offsite inspection weeks.
12. For each selected modification, copies of associated documents such as modification
package, engineering changes, 50.59 screening or evaluation, relevant calculations,
post-modification test packages, associated corrective action documents, design
drawings, and new/revised preventive maintenance requirements.
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