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MONTHYEARPLA-6825, Proposed Amendment No. 310 to License NPF-14 and Proposed Amendment No. 282 to License NPF-22: Change to Tech Spec SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State Voltage2012-09-18018 September 2012 Proposed Amendment No. 310 to License NPF-14 and Proposed Amendment No. 282 to License NPF-22: Change to Tech Spec SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State Voltage Project stage: Request ML12291A4992012-10-19019 October 2012 Acceptance of Requested Licensing Action Change to Technical Specification Surveillance Requirement 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State. Project stage: Acceptance Review ML13043A4062013-02-12012 February 2013 Proposed Amendment No. 309 to License NPF-14 and Proposed Amendment No. 280 to License NPF-22: Change to Technical Specification Surveillance Requirement (SR) 3.8.1.9, 3.8.1.11,3.8.1.12, and 3.8.1.19 to Increase Diesel Project stage: Other ML13305A8912013-11-13013 November 2013 Request for Additional Information Regarding Request to Change Technical Specification 3.3.6.1 Project stage: RAI ML13298A7582014-03-0707 March 2014 Request for Additional Information Regarding Request for Changes to Technical Specification Surveillance Requirements to Increase Diesel Generator Minimum Steady State Voltage (TAC ME9607 and ME960) Project stage: RAI PLA-7243, Withdrawal of Proposed Amendments for Diesel Generator Testing Use of Increased Minimum Steady State Voltage and New Frequency Tolerance2014-12-22022 December 2014 Withdrawal of Proposed Amendments for Diesel Generator Testing Use of Increased Minimum Steady State Voltage and New Frequency Tolerance Project stage: Withdrawal ML15027A6112015-02-0909 February 2015 Withdrawal of an Amendment Request Project stage: Withdrawal 2013-02-12
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Category:Letter type:PLA
MONTHYEARPLA-8096, Response to Request for Additional Information Regarding Proposed Relief Request for the Fifth 10-Year Inservice Test Program Interval2024-01-0404 January 2024 Response to Request for Additional Information Regarding Proposed Relief Request for the Fifth 10-Year Inservice Test Program Interval PLA-8077, Emergency Plan Revision 67 (PLA-8077)2023-12-27027 December 2023 Emergency Plan Revision 67 (PLA-8077) PLA-8089, Submittal of Revision to Inservice Testing Program Plan2023-12-0505 December 2023 Submittal of Revision to Inservice Testing Program Plan PLA-8084, Application to Revise Technical Specifications to Adopt TSTF-568, Revise Applicability of BWR TS 3.6.2.5 and TS 3.6.3.22023-11-29029 November 2023 Application to Revise Technical Specifications to Adopt TSTF-568, Revise Applicability of BWR TS 3.6.2.5 and TS 3.6.3.2 PLA-8091, Response to Request for Additional Information Regarding Proposed Relief Request for the Fifth 10-Year Inseervice Inspection Interval (PLA-8091)2023-11-0808 November 2023 Response to Request for Additional Information Regarding Proposed Relief Request for the Fifth 10-Year Inseervice Inspection Interval (PLA-8091) PLA-8082, Proposed Amendment to Licenses NPF-14 and NPF-22: Application to Revise Technical Specifications to Adopt TSTF-563, Revise Instrument Testing Definitions to Incorporate the Surveillance Frequency Control Program2023-11-0202 November 2023 Proposed Amendment to Licenses NPF-14 and NPF-22: Application to Revise Technical Specifications to Adopt TSTF-563, Revise Instrument Testing Definitions to Incorporate the Surveillance Frequency Control Program PLA-8080, Proposed Relief for Valve 251130 (PLA-8080)2023-08-14014 August 2023 Proposed Relief for Valve 251130 (PLA-8080) PLA-8074, Proposed Relief Request for the Fifth 10-Year Inservice Test Program Interval2023-08-0303 August 2023 Proposed Relief Request for the Fifth 10-Year Inservice Test Program Interval PLA-8076, Unit 2 - 21st Refueling Outage Owner'S Activity Report (PLA-8076)2023-07-20020 July 2023 Unit 2 - 21st Refueling Outage Owner'S Activity Report (PLA-8076) PLA-8078, Submittal of Unit 2 Cycle 22 Core Operating Limits Report, Revision 1, PLA-80782023-07-0505 July 2023 Submittal of Unit 2 Cycle 22 Core Operating Limits Report, Revision 1, PLA-8078 PLA-8054, Proposed Amendment to Licenses NPF-14 and NPF-22: Remove Control Rod Operability Separation Criteria and Replace Reference to Banked Position Withdrawal Sequence with the Analyzed Rod Position Sequence2023-06-0808 June 2023 Proposed Amendment to Licenses NPF-14 and NPF-22: Remove Control Rod Operability Separation Criteria and Replace Reference to Banked Position Withdrawal Sequence with the Analyzed Rod Position Sequence PLA-8073, Proposed Relief Request for the Fifth 10-Year Inservice Inspection Interval2023-06-0101 June 2023 Proposed Relief Request for the Fifth 10-Year Inservice Inspection Interval PLA-8067, Notification of Completion of Emergence from Bankruptcy (PLA-8067)2023-05-17017 May 2023 Notification of Completion of Emergence from Bankruptcy (PLA-8067) PLA-8064, Response to NRC Regulatory Issue Summary 2023-01 (PLA-8064)2023-05-17017 May 2023 Response to NRC Regulatory Issue Summary 2023-01 (PLA-8064) PLA-8066, Notification of Planned Closing Date and Information Identified in March 30, 2023 Order, PLA-80662023-05-0808 May 2023 Notification of Planned Closing Date and Information Identified in March 30, 2023 Order, PLA-8066 PLA-8053, Radiation Exposure Information and Reporting System2023-04-27027 April 2023 Radiation Exposure Information and Reporting System PLA-8058, Annual Radiological Environmental Operating Report (PLA-8058)2023-04-26026 April 2023 Annual Radiological Environmental Operating Report (PLA-8058) PLA-8041, Radioactive Effluent Release Report and Offsite Dose Calculation Manual (PLA-8041)2023-04-25025 April 2023 Radioactive Effluent Release Report and Offsite Dose Calculation Manual (PLA-8041) PLA-8047, 2022 Annual Environmental Operating Report (Nonradiological), PLA-80472023-04-19019 April 2023 2022 Annual Environmental Operating Report (Nonradiological), PLA-8047 PLA-8062, Supplement to Relief Request 4RR-10 Relief from Code Seal Weld Requirement for Valve 252F007B, PLA-80622023-04-11011 April 2023 Supplement to Relief Request 4RR-10 Relief from Code Seal Weld Requirement for Valve 252F007B, PLA-8062 PLA-8061, Relief Request 4RR-10 Relief from Code Seal Weld Requirement for Valve 25F007B, PLA-80612023-04-10010 April 2023 Relief Request 4RR-10 Relief from Code Seal Weld Requirement for Valve 25F007B, PLA-8061 PLA-8060, Submittal of Unit 2 Cycle 22 Core Operating Limits Report (PLA-8060)2023-03-30030 March 2023 Submittal of Unit 2 Cycle 22 Core Operating Limits Report (PLA-8060) PLA-8057, Application for Order Approving Indirect Transfer of Control of Licenses and Approving Conforming License Amendments- Supplemental Information, PLA-80572023-03-15015 March 2023 Application for Order Approving Indirect Transfer of Control of Licenses and Approving Conforming License Amendments- Supplemental Information, PLA-8057 PLA-8052, (Sses), Proof of Financial Protection and Guarantee of Payment of Deferred Premiums2023-02-13013 February 2023 (Sses), Proof of Financial Protection and Guarantee of Payment of Deferred Premiums PLA-8048, Response to Request for Additional Information Regarding License Amendment Requesting Temporary Addition of Analyzed Rod Position Sequence2023-01-14014 January 2023 Response to Request for Additional Information Regarding License Amendment Requesting Temporary Addition of Analyzed Rod Position Sequence PLA-8042, Proposed Emergency Amendment to License NPF-22: Temporary Addition of Analyzed Rod Position Sequence2023-01-10010 January 2023 Proposed Emergency Amendment to License NPF-22: Temporary Addition of Analyzed Rod Position Sequence PLA-8039, Application for Order Approving Indirect Transfer of Control of License Amendments - Supplemental Information2022-12-22022 December 2022 Application for Order Approving Indirect Transfer of Control of License Amendments - Supplemental Information PLA-8038, Notification of Petition for Bankruptcy (PLA-8038)2022-12-14014 December 2022 Notification of Petition for Bankruptcy (PLA-8038) PLA-8036, Registration for the Use of Spent Fuel Storage Casks 203, 202, and 204, PLA-80362022-11-30030 November 2022 Registration for the Use of Spent Fuel Storage Casks 203, 202, and 204, PLA-8036 PLA-8035, Registration for the Use of Spent Fuel Storage Casks 205, 200, and 201, PLA-80352022-11-0808 November 2022 Registration for the Use of Spent Fuel Storage Casks 205, 200, and 201, PLA-8035 PLA-8031, Emergency Plan Revision 66 (PLA-8031)2022-11-0707 November 2022 Emergency Plan Revision 66 (PLA-8031) PLA-8032, Application for Order Approving Indirect Transfer of Control of Licenses and Approving Conforming License Amendments - Supplemental Information (PLA-8032)2022-10-28028 October 2022 Application for Order Approving Indirect Transfer of Control of Licenses and Approving Conforming License Amendments - Supplemental Information (PLA-8032) PLA-8026, Biennial 10 Crf 50.59 and 72.48 Summary Report and Changes to Regulatory Commitment (PLA-8026)2022-10-19019 October 2022 Biennial 10 Crf 50.59 and 72.48 Summary Report and Changes to Regulatory Commitment (PLA-8026) PLA-8015, Application for Order Approving Indirect Transfer of Control of Licenses2022-09-29029 September 2022 Application for Order Approving Indirect Transfer of Control of Licenses PLA-8030, Evacuation Time Estimate Report PLA-80302022-09-15015 September 2022 Evacuation Time Estimate Report PLA-8030 PLA-8025, Supplement to License Amendment to Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value2022-08-10010 August 2022 Supplement to License Amendment to Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value PLA-8019, Nd Refueling Outage Owner'S Activity Report, PLA-80192022-07-13013 July 2022 Nd Refueling Outage Owner'S Activity Report, PLA-8019 PLA-8013, Response to Request for Additional Information Regarding License Amendment Requesting Adoption of TSTF-505, Revision 2 PLA-80132022-06-27027 June 2022 Response to Request for Additional Information Regarding License Amendment Requesting Adoption of TSTF-505, Revision 2 PLA-8013 PLA-8012, 10 CFR 50.46 Annual Report2022-06-10010 June 2022 10 CFR 50.46 Annual Report PLA-8005, Response to Request for Additional Information Regarding License Amendment to Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value (PLA-8005)2022-05-23023 May 2022 Response to Request for Additional Information Regarding License Amendment to Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value (PLA-8005) PLA-8001, Radiation Exposure Information and Reporting System - PLA-80012022-04-28028 April 2022 Radiation Exposure Information and Reporting System - PLA-8001 PLA-7987, Radioactive Effluent Release Report and Offsite Dose Calculation Manual - (PLA-7987)2022-04-26026 April 2022 Radioactive Effluent Release Report and Offsite Dose Calculation Manual - (PLA-7987) PLA-7986, 2021 Annual Environmental Operating Report (Nonradiological) Docket No. 50-387, PLA-79862022-04-26026 April 2022 2021 Annual Environmental Operating Report (Nonradiological) Docket No. 50-387, PLA-7986 PLA-7985, Annual Radiological Environmental Operating Report2022-04-22022 April 2022 Annual Radiological Environmental Operating Report PLA-7883, Proposed Amendment to Licenses NPF-14 and NPF-22: Relocate Technical Specification Unit Staff Qualification Requirements to Quality Assurance Program (PLA-7883)2022-03-31031 March 2022 Proposed Amendment to Licenses NPF-14 and NPF-22: Relocate Technical Specification Unit Staff Qualification Requirements to Quality Assurance Program (PLA-7883) PLA-7995, Property Insurance Program (PLA-7995)2022-03-30030 March 2022 Property Insurance Program (PLA-7995) PLA-7998, Submittal of Unit 1 Cycle 23 Core Operating Limits Report and Reload Safety Analysis Report2022-03-29029 March 2022 Submittal of Unit 1 Cycle 23 Core Operating Limits Report and Reload Safety Analysis Report PLA-7991, Proof of Financial Protection and Guarantee of Payment of Deferred Premium2022-03-24024 March 2022 Proof of Financial Protection and Guarantee of Payment of Deferred Premium PLA-7984, Supplement to License Amendment Requesting Adoption of TSTF-505, Revision 22022-03-0808 March 2022 Supplement to License Amendment Requesting Adoption of TSTF-505, Revision 2 PLA-7962, Application to Revise Technical Specifications to Adopt TSTF-564, Safety Limit MCPR PLA-79622022-01-0505 January 2022 Application to Revise Technical Specifications to Adopt TSTF-564, Safety Limit MCPR PLA-7962 2024-01-04
[Table view] Category:License-Application for Facility Operating License (Amend/Renewal) DKT 50
MONTHYEARPLA-8082, Proposed Amendment to Licenses NPF-14 and NPF-22: Application to Revise Technical Specifications to Adopt TSTF-563, Revise Instrument Testing Definitions to Incorporate the Surveillance Frequency Control Program2023-11-0202 November 2023 Proposed Amendment to Licenses NPF-14 and NPF-22: Application to Revise Technical Specifications to Adopt TSTF-563, Revise Instrument Testing Definitions to Incorporate the Surveillance Frequency Control Program PLA-8054, Proposed Amendment to Licenses NPF-14 and NPF-22: Remove Control Rod Operability Separation Criteria and Replace Reference to Banked Position Withdrawal Sequence with the Analyzed Rod Position Sequence2023-06-0808 June 2023 Proposed Amendment to Licenses NPF-14 and NPF-22: Remove Control Rod Operability Separation Criteria and Replace Reference to Banked Position Withdrawal Sequence with the Analyzed Rod Position Sequence PLA-8042, Proposed Emergency Amendment to License NPF-22: Temporary Addition of Analyzed Rod Position Sequence2023-01-10010 January 2023 Proposed Emergency Amendment to License NPF-22: Temporary Addition of Analyzed Rod Position Sequence PLA-8039, Application for Order Approving Indirect Transfer of Control of License Amendments - Supplemental Information2022-12-22022 December 2022 Application for Order Approving Indirect Transfer of Control of License Amendments - Supplemental Information PLA-8015, Application for Order Approving Indirect Transfer of Control of Licenses2022-09-29029 September 2022 Application for Order Approving Indirect Transfer of Control of Licenses PLA-8025, Supplement to License Amendment to Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value2022-08-10010 August 2022 Supplement to License Amendment to Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value PLA-7962, Application to Revise Technical Specifications to Adopt TSTF-564, Safety Limit MCPR PLA-79622022-01-0505 January 2022 Application to Revise Technical Specifications to Adopt TSTF-564, Safety Limit MCPR PLA-7962 PLA-7979, Supplement to License Amendment to Revise Reactor Steam Dome Pressure Low Instrumentation Function Allowable Value2021-12-16016 December 2021 Supplement to License Amendment to Revise Reactor Steam Dome Pressure Low Instrumentation Function Allowable Value PLA-7950, Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value (PLA-7950)2021-10-0505 October 2021 Revise Reactor Steam Dome Pressure - Low Instrumentation Function Allowable Value (PLA-7950) PLA-7897, Proprosed Amendment to Licenses NPF-14 and NPF-22: License Amendment Request to Revise Technical Specification to Adopt Risk Informed Completion Times TSTF-505, Rev 2, Provide Risk Informed Extended Completion.2021-04-0808 April 2021 Proprosed Amendment to Licenses NPF-14 and NPF-22: License Amendment Request to Revise Technical Specification to Adopt Risk Informed Completion Times TSTF-505, Rev 2, Provide Risk Informed Extended Completion. ML20245E1922020-09-0101 September 2020 Talen Energy - Application to Revise Technical Specifications to Adopt TSTF-582, Reactor Pressure Vessel Water Inventory Control (RPV WIC) Enhancements PLA-7880 PLA-7866, Electric Station Proposed Amendment Licenses NPF-14 and - NPF-22: Application to Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules PLA-78662020-06-25025 June 2020 Electric Station Proposed Amendment Licenses NPF-14 and - NPF-22: Application to Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules PLA-7866 PLA-7842, Proposed Amendment to Licenses NPF-14 and NPF-22: Revise Technical Specification 3.8.1 to Create a New Condition for an Inoperable Manual Synchronization Circuit PLA-72482020-05-26026 May 2020 Proposed Amendment to Licenses NPF-14 and NPF-22: Revise Technical Specification 3.8.1 to Create a New Condition for an Inoperable Manual Synchronization Circuit PLA-7248 PLA-7823, Proposed Amendment to Licenses NPF-014 and NPF-022: Revision to the Dose Consequence Analysis for a Loss of Coolant Accident2020-01-0202 January 2020 Proposed Amendment to Licenses NPF-014 and NPF-022: Revision to the Dose Consequence Analysis for a Loss of Coolant Accident PLA-7783, Proposed Amendment to Licenses: Application of Advanced Framatome Methodologies and TSTF-535 PLA-77832019-07-15015 July 2019 Proposed Amendment to Licenses: Application of Advanced Framatome Methodologies and TSTF-535 PLA-7783 PLA-7772, Application to Adopt TSTF-439, Eliminate Second Completion Times Limiting Time from Discovery of Failure to Meet an Lco.2019-03-28028 March 2019 Application to Adopt TSTF-439, Eliminate Second Completion Times Limiting Time from Discovery of Failure to Meet an Lco. PLA-7751, Proposed Amendment to Licenses NPF-14 and NPF-22: Temporary Change to the Technical Specifications to Allow Replacement of Emergency Service Water System Piping2019-01-0909 January 2019 Proposed Amendment to Licenses NPF-14 and NPF-22: Temporary Change to the Technical Specifications to Allow Replacement of Emergency Service Water System Piping PLA-7729, Technical Specifications Task Force Traveler TSTF-501, Revision 1, Relocate Stored Fuel Oil and Lube Oil Volume Values to Licensee Control.2018-12-0404 December 2018 Technical Specifications Task Force Traveler TSTF-501, Revision 1, Relocate Stored Fuel Oil and Lube Oil Volume Values to Licensee Control. PLA-7605, Change to Submittal Regarding License Amendment Request for Adoption of Technical Specification Task Force Traveler TSTF-522-A2017-05-17017 May 2017 Change to Submittal Regarding License Amendment Request for Adoption of Technical Specification Task Force Traveler TSTF-522-A PLA-7528, Supplemental Information for License Amendment Request to Address Secondary Containment Access Openings2016-09-13013 September 2016 Supplemental Information for License Amendment Request to Address Secondary Containment Access Openings PLA-7486, Proposed Amendment Request to Address Secondary Containment Access Openings2016-07-27027 July 2016 Proposed Amendment Request to Address Secondary Containment Access Openings ML16181A4172016-06-29029 June 2016 Projected Income Statement and Calculation of Six-Month Fixed Costs (Redacted) ML16181A4152016-06-29029 June 2016 Request for Order Approving Indirect Transfer of Control - PLA-7500 ML16181A4192016-06-29029 June 2016 Capacity Factor Assumptions (Redacted) PLA-7441, Supplemental Information on Technical Specification Changes to Adopt Traveler TSTF-4252016-01-29029 January 2016 Supplemental Information on Technical Specification Changes to Adopt Traveler TSTF-425 PLA-7384, Proposed Amendment No. 292, Temporary Change to Allow Replacement on Unit 1 480 V Ess Load Center Transformers in Unit 2 Technical Specifications 3.8.7 and 3.7.12016-01-28028 January 2016 Proposed Amendment No. 292, Temporary Change to Allow Replacement on Unit 1 480 V Ess Load Center Transformers in Unit 2 Technical Specifications 3.8.7 and 3.7.1 PLA-7378, Proposed Amendment No. 317 to License NPF-14 and Proposed Amendment No. 289 to License NPF-22: Supplement to Change Milestone 8 Date2015-08-28028 August 2015 Proposed Amendment No. 317 to License NPF-14 and Proposed Amendment No. 289 to License NPF-22: Supplement to Change Milestone 8 Date PLA-7360, Supplemental Information to License Amendment Request for Changes in RCS Pressure and Temperature (P/T) Limits2015-07-16016 July 2015 Supplemental Information to License Amendment Request for Changes in RCS Pressure and Temperature (P/T) Limits ML15091A6612015-03-19019 March 2015 Evaluation of Proposed Change Regarding Proposed License Amendment to Adopt Emergency Action Level Scheme NEI 99-01, Susquehanna, Units 1 and 2 - Proposed License Amendment to Adopt Emergency Action Level Scheme Pursuant to NEI 99-01, Revision 6, Development of Emergency Action Levels for Non-Passive Reactors.2015-03-19019 March 2015 Susquehanna, Units 1 and 2 - Proposed License Amendment to Adopt Emergency Action Level Scheme Pursuant to NEI 99-01, Revision 6, Development of Emergency Action Levels for Non-Passive Reactors. NEI 99-01, Susquehanna, Units 1 and 2 - Evaluation of Proposed Change Regarding Proposed License Amendment to Adopt Emergency Action Level Scheme2015-03-19019 March 2015 Susquehanna, Units 1 and 2 - Evaluation of Proposed Change Regarding Proposed License Amendment to Adopt Emergency Action Level Scheme ML15091A6602015-03-19019 March 2015 Proposed License Amendment to Adopt Emergency Action Level Scheme Pursuant to NEI 99-01, Revision 6, Development of Emergency Action Levels for Non-Passive Reactors. PLA-7181, Submittal of Request for Amendment to the Technical Specification 3.4.10, RCS Pressure and Temperature (Pit) Limits.2014-08-11011 August 2014 Submittal of Request for Amendment to the Technical Specification 3.4.10, RCS Pressure and Temperature (Pit) Limits. ML14195A1132014-07-11011 July 2014 Enclosure to PLA-7191 Application for Order Approving Indirect Transfer of Control of Facility Operating License Nos. NPF-14 and NPF-22 and Conforming Amendments ML14042A1152014-01-29029 January 2014 License Amendment Request - Increase of the Allowable Gas Treatment System Maximum Flow Rates from Secondary Containment PLA-6977, Proposed Amendment No. 313 to License NPF-14 and Proposed Amendment No. 285 to License NPF-22: Change to Technical Specification Surveillance Requirement (SR) 3.5.1.122013-06-0606 June 2013 Proposed Amendment No. 313 to License NPF-14 and Proposed Amendment No. 285 to License NPF-22: Change to Technical Specification Surveillance Requirement (SR) 3.5.1.12 PLA-6915, Proposed Amendment No. 312 to Unit 1, and Proposed Amendment No. 284 to Unit 2 Low Pressure Safety Limit and Reference Changes2012-12-19019 December 2012 Proposed Amendment No. 312 to Unit 1, and Proposed Amendment No. 284 to Unit 2 Low Pressure Safety Limit and Reference Changes PLA-6825, Proposed Amendment No. 310 to License NPF-14 and Proposed Amendment No. 282 to License NPF-22: Change to Tech Spec SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State Voltage2012-09-18018 September 2012 Proposed Amendment No. 310 to License NPF-14 and Proposed Amendment No. 282 to License NPF-22: Change to Tech Spec SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State Voltage PLA-6817, Temporary Change to Allow Implementation of Multiple Spurious Operations Modifications on SSES Unit 1 4160 V Buses Unit 2 Technical Specifications 3.8.7 and 3.7.1 PLA-68172012-03-0808 March 2012 Temporary Change to Allow Implementation of Multiple Spurious Operations Modifications on SSES Unit 1 4160 V Buses Unit 2 Technical Specifications 3.8.7 and 3.7.1 PLA-6817 ML11152A0092011-07-21021 July 2011 Issuance of Amendment Approval of the PPL Susquehanna, LLC Cyber Security Plan PLA-6695, Amend. Request No. 308 to License NPF-14 & Amend. Request No. 279 to License NPF-22: Adoption of Technical Specification Task Force Traveler TSTF-514, Rev. 3, Revise BWR Operability Requirements & Actions RCS Leakage Instrumentation2011-04-0808 April 2011 Amend. Request No. 308 to License NPF-14 & Amend. Request No. 279 to License NPF-22: Adoption of Technical Specification Task Force Traveler TSTF-514, Rev. 3, Revise BWR Operability Requirements & Actions RCS Leakage Instrumentation PLA-6628, Proposed Amendment No. 306 to License NPF-14 & Proposed Amendment No. 277 to License NPF-22: Withdrawal & Resubmittal of Request for Approval of the Cyber Security Plan2010-07-22022 July 2010 Proposed Amendment No. 306 to License NPF-14 & Proposed Amendment No. 277 to License NPF-22: Withdrawal & Resubmittal of Request for Approval of the Cyber Security Plan PLA-6606, Submittal of NRC Notification of NPDES Permit Renewal Application2010-03-26026 March 2010 Submittal of NRC Notification of NPDES Permit Renewal Application PLA-6539, Amendment Request No. 305 to Unit 1 License NPF-14 and Amendment Request No. 276 to Unit 2 License NPF-22: One-Time Extension of Tech Spec 3.8.1 Supplemental PRA Information2009-07-10010 July 2009 Amendment Request No. 305 to Unit 1 License NPF-14 and Amendment Request No. 276 to Unit 2 License NPF-22: One-Time Extension of Tech Spec 3.8.1 Supplemental PRA Information PLA-6520, Third Annual Amendment to the Application for Renewed Operating License Numbers NPF-14 and NPF-22 Pursuant to 10 CFR 54.21(b)2009-05-28028 May 2009 Third Annual Amendment to the Application for Renewed Operating License Numbers NPF-14 and NPF-22 Pursuant to 10 CFR 54.21(b) PLA-6509, Supplemental Electrical Information to License Amendment Request on the Technical Specifications2009-05-12012 May 2009 Supplemental Electrical Information to License Amendment Request on the Technical Specifications PLA-6505, Amendment Request No. 305 to Unit 1 License NPF-14 and Amendment Request No. 276 to Unit 2 License NPF-22: One-Time Extension of Technical Specification 3.8.1 PRA Supplemental Information2009-04-30030 April 2009 Amendment Request No. 305 to Unit 1 License NPF-14 and Amendment Request No. 276 to Unit 2 License NPF-22: One-Time Extension of Technical Specification 3.8.1 PRA Supplemental Information PLA-6474, Amendment Request No. 304 and 275, Adoption of TSTF-511, Rev 0, Eliminate Working Hour Restrictions from TS 5.2.2 to Support Compliance with 10 CFR Part 262009-03-24024 March 2009 Amendment Request No. 304 and 275, Adoption of TSTF-511, Rev 0, Eliminate Working Hour Restrictions from TS 5.2.2 to Support Compliance with 10 CFR Part 26 PLA-6480, One-Time Extension to Technical Specification 3.8.1 Allowable Completion Time for Offsite AC Circuits, PLA-64802009-03-24024 March 2009 One-Time Extension to Technical Specification 3.8.1 Allowable Completion Time for Offsite AC Circuits, PLA-6480 PLA-6359, Application to Revise Technical Specifications Regarding Control Room Envelope Habitability in Accordance with TSTF-448, Revision 3, Using the Consolidated Line Item Improvement Process (CLIIP) PLA-63592009-02-20020 February 2009 Application to Revise Technical Specifications Regarding Control Room Envelope Habitability in Accordance with TSTF-448, Revision 3, Using the Consolidated Line Item Improvement Process (CLIIP) PLA-6359 2023-06-08
[Table view] Category:Technical Specifications
MONTHYEARPLA-8084, Application to Revise Technical Specifications to Adopt TSTF-568, Revise Applicability of BWR TS 3.6.2.5 and TS 3.6.3.22023-11-29029 November 2023 Application to Revise Technical Specifications to Adopt TSTF-568, Revise Applicability of BWR TS 3.6.2.5 and TS 3.6.3.2 ML23195A1852023-07-27027 July 2023 Correction to Technical Specifications Page 3.3-73 in Amendment No. 265 ML23132A3212023-05-17017 May 2023 Associated Independent Spent Fuel Storage Installation - Issuance of Amendment Nos. 285 and 269 Related to Order Approving Transfer of Licenses ML23010A1082023-01-15015 January 2023 Issuance of Amendment No. 268 Change to Control Rod Technical Specifications PLA-8042, Proposed Emergency Amendment to License NPF-22: Temporary Addition of Analyzed Rod Position Sequence2023-01-10010 January 2023 Proposed Emergency Amendment to License NPF-22: Temporary Addition of Analyzed Rod Position Sequence ML22294A1502022-11-17017 November 2022 Issuance of Amendment Nos. 284 and 267 Relocating Technical Specification Unit Staff Qualification Requirements to Quality Assurance Program ML22146A2072022-07-15015 July 2022 Issuance of Amendment Nos. 281 and 264 Revise Technical Specifications to Adopt TSTF-564, Safety Limit MCPR - NON-PROPRIETARY - ML22101A0282022-03-30030 March 2022 Revised Technical Specification Bases Unit 1 Manual ML20342A2372021-02-18018 February 2021 Issuance of Amendment Nos. 279 and 261 Revise Technical Specifications to Adopt TSTF-582, RPV WIC Enhancements ML20297A5642020-12-22022 December 2020 Issuance of Amendment Nos. 277 and 259 Revise Technical Specifications to Adopt TSTF-529, Revision 4, Clarify Use and Application Rules PLA-7866, Electric Station Proposed Amendment Licenses NPF-14 and - NPF-22: Application to Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules PLA-78662020-06-25025 June 2020 Electric Station Proposed Amendment Licenses NPF-14 and - NPF-22: Application to Revise Technical Specifications to Adopt TSTF-529, Clarify Use and Application Rules PLA-7866 ML19248A8442020-01-17017 January 2020 Issuance of Amendment Nos. 275 and 257 Temporary Changes to Allow Replacement of Emergency Service Water System Piping ML19232A0692019-08-0808 August 2019 Technical Specification Bases Unit 2 Manual ML19232A0682019-08-0808 August 2019 Technical Specification Bases Manual ML19155A2642019-07-16016 July 2019 Issuance of Amendment Nos. 273 and 255 Adoption of TSTF-439, Revision 2, Eliminate Second Completion Times Limiting Time from Discovery of Failure to Meet an LCO ML19154A0602019-06-24024 June 2019 Issuance of Amendment Nos. 272 and 254 Technical Specifications to Adopt TSTF-501, Revision 1, Relocated Stored Fuel Oil and Lube Oil Volume Values to Licensee Control ML19052A0082019-03-0505 March 2019 Correction to Technical Specifications Page 3.3-45 (Unit 1) and Page 3.6-11 (Unit 2) for Administrative Errors Introduced During the Issuance of Amendment Nos. 271 and 253 ML18222A2032018-09-26026 September 2018 Issuance of Amendment Nos. 271 and 253 Revising Technical Specifications to Adopt TSTF-542, Revision 2 (CAC Nos. MG0269 and MG0270; EPID L-2017-LLA-0306) PLA-7733, Correction of Technical Specification Typographical Error for TS 3.6.4.1 (PLA-7733)2018-09-11011 September 2018 Correction of Technical Specification Typographical Error for TS 3.6.4.1 (PLA-7733) ML18017A2272017-12-15015 December 2017 Technical Specification Bases Manual ML18017A2282017-12-15015 December 2017 Technical Specifications Bases Manual ML17221A2892017-08-0909 August 2017 Draft TSTF-542-Variations ML17187A2972017-07-28028 July 2017 Susquehanna Steam Electric Station, Units 1 and 2 - Issuance of Amendments Revising Technical Specifications to Adopt TSTF-522, Revision 0 (CAC Nos. MF9154 and MF9155) PLA-7605, Change to Submittal Regarding License Amendment Request for Adoption of Technical Specification Task Force Traveler TSTF-522-A2017-05-17017 May 2017 Change to Submittal Regarding License Amendment Request for Adoption of Technical Specification Task Force Traveler TSTF-522-A ML17067A4442017-03-27027 March 2017 Issuance of Amendments Secondary Containment Access Openings ML16005A2342016-05-20020 May 2016 Issuance of Amendments Adoption of TSTF-425 ML16062A2162016-03-28028 March 2016 Issuance of Amendments Emergency Action Level Scheme Change PLA-7441, Supplemental Information on Technical Specification Changes to Adopt Traveler TSTF-4252016-01-29029 January 2016 Supplemental Information on Technical Specification Changes to Adopt Traveler TSTF-425 PLA-7406, Response to Request for Additional Information on Technical Specification Changes to Adopt Traveler TSTF-4252015-11-11011 November 2015 Response to Request for Additional Information on Technical Specification Changes to Adopt Traveler TSTF-425 ML15267A3812015-11-0202 November 2015 Issuance of Amendments Approval of Cyber Security Plan Milestone 8 ML15243A1402015-09-30030 September 2015 Issuance of Amendments Revisions to Technical Specification 3.4.10, Reactor Coolant System Pressure and Temperature (P/T) Limits PLA-7334, Response to Request for Additional Information on Technical Specification Changes to Adopt Traveler TSTF-4252015-07-0202 July 2015 Response to Request for Additional Information on Technical Specification Changes to Adopt Traveler TSTF-425 PLA-7299, Response to Request for Additional Information on Technical Specification Changes to RCS Pressure and Temperature (P/T) Limits2015-04-0606 April 2015 Response to Request for Additional Information on Technical Specification Changes to RCS Pressure and Temperature (P/T) Limits PLA-7119, PPL Susquehanna, LLC, Unit 1 & Unit 2 Proposed Technical Specification Amendment for Adoption of Task Force Traveler TSTF-425, Rev. 3, Relocate Surveillance Frequencies to Licensee Control Risk Informed Technical Specification Task Force...2014-10-27027 October 2014 PPL Susquehanna, LLC, Unit 1 & Unit 2 Proposed Technical Specification Amendment for Adoption of Task Force Traveler TSTF-425, Rev. 3, Relocate Surveillance Frequencies to Licensee Control Risk Informed Technical Specification Task Force... ML14316A6062014-10-27027 October 2014 PPL Susquehanna, LLC, Unit 1 & Unit 2 Proposed Technical Specification Amendment for Adoption of Task Force Traveler TSTF-425, Rev. 3, Relocate Surveillance Frequencies to Licensee Control Risk Informed Technical Specification Task Force... ML14111A0522014-05-14014 May 2014 Issuance of Amendments Regarding Change to Technical Specification Surveillance Requirement 3.5.1.12 ML14036A2572014-02-26026 February 2014 Issuance of Amendment Change to Allow Only One Manual Trip System to Be Operable for the Residual Heat Removal Shutdown Cooling System in Modes 4 and 5 ML14042A1152014-01-29029 January 2014 License Amendment Request - Increase of the Allowable Gas Treatment System Maximum Flow Rates from Secondary Containment ML13361A0872013-12-11011 December 2013 Revision 112 to Technical Specification Bases Manual PLA-6825, Proposed Amendment No. 310 to License NPF-14 and Proposed Amendment No. 282 to License NPF-22: Change to Tech Spec SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State Voltage2012-09-18018 September 2012 Proposed Amendment No. 310 to License NPF-14 and Proposed Amendment No. 282 to License NPF-22: Change to Tech Spec SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to Increase Diesel Generator Minimum Steady State Voltage ML11221A2712011-09-0808 September 2011 License Amendment, Issuance of Amendment Adoption of TSTF-514, Revision 3 ML11251A1532011-08-24024 August 2011 Technical Requirements Manual, Rev. 69 and Table of Contents, Rev. 20 ML11251A1522011-08-24024 August 2011 Revision 68 to Technical Requirements Manual PLA-6642, Proposed Amendment Nos. 307 & 278, Change to Technical Specification Surveillance Requirement (SR) 3.4.3.1 to Revise the Lower Surveillance Tolerances2010-11-10010 November 2010 Proposed Amendment Nos. 307 & 278, Change to Technical Specification Surveillance Requirement (SR) 3.4.3.1 to Revise the Lower Surveillance Tolerances ML1020103852010-07-12012 July 2010 Revision 100 to Technical Specifications Bases Unit 2 Manual ML1020104112010-07-12012 July 2010 Revisions to Technical Specification Bases Manual ML1012605332010-04-28028 April 2010 Technical Specification Bases Manual ML1011003942010-04-0606 April 2010 Technical Specifications Bases Unit 2 Manual, Rev. 98 ML0932901772009-11-24024 November 2009 Technical Specifications for Susquehanna Steam Electric Station, Unit 2 ML0929501102009-11-0909 November 2009 License Amendment, Changed Technical Specification Table 3.3.5.1-1 for ECCS Instrumentation for CST and Editorial Changes to TS 3.10.8.f 2023-07-27
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Jeffrey M. Helsel Nuclear Plant Manager PPL Susquehanna, LLC 769 Salem Boulevard Berwick, PA 18603 Tel. 570.542.3510 Fax 570.542.1504 ppl .~~~: ' TM jmhelsel @pplweb.com U. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Stop OP1-17 Washington, DC 20555-0001 SUSQUEHANNA STEAM ELECTRIC STATION PROPOSED AMENDMENT NO. 310 TO LICENSE NPF-14 AND PROPOSED AMENDMENT NO. 282 TO LICENSE NPF -22:
CHANGE TO TECHNICAL SPECIFICATION SURVEILLANCE REQUIREMENT (SR) 3.8.1.9, 3.8.1.11, 3.8.1.12, AND 3.8.1.19 TO INCREASE DIESEL GENERATOR MINIMUM STEADY STATE VOLTAGE Docket Nos. 50-387 PLA-6825 and 50-388 Pursuant to 10 CFR 50.90, PPL Susquehanna, LLC (PPL), hereby requests approval of the following proposed amendment to the Susquehanna Steam Electric Station (SSES)
Unit 1 and Unit 2 Technical Specification (TS), as described in the Enclosure. The proposed amendments would change Technical Specification Surveillance Requirements 3.8.1.9, 3.8.1.11, 3.8.1.12 and 3.8.1.19 in TS 3.8.1 "AC Source- Operating."
Specifically, the proposed amendments will increase Diesel Generator acceptable minimum steady state voltage when operating in emergency/isochronous mode.
The change is proposed in order to eliminate the non-conservative Diesel Generator technical specification surveillance steady state minimum voltage. The proposed change will not impact the reliability of the Diesel Generators or adversely impact their ability to perform their safety function.
Justification for the change to the Unit 1 and Unit 2 TS Surveillance Requirements 3.8.1.9, 3.8.1.11, 3.8.12, and 3.8.1.19 is based upon the evaluation presented in the Enclosure. As demonstrated in the enclosed evaluation, the proposed amendments do not involve a significant hazard consideration.
PPL requests approval of the proposed change to Unit 1 and Unit 2 Technical Specifications by April 12, 2013. PPL further requests that the approved amendment be issued to be effective immediately upon approval with the implementation to be completed within 60 days.
Document Control Desk PLA-6825 contains the Technical Specification markups reflecting the proposed change.
This change has been reviewed by the SSES Plant Operations Review Committee and by the Susquehanna Review Committee. In accordance with 10CFR 50.91(b), PPL Susquehanna, LLC is providing the Commonwealth of Pennsylvania with a copy of this proposed License Amendment request.
There are no regulatory commitments associated with the proposed changes.
If you have any questions or require additional information, please contact Mr. Duane L. Filchner at 610-774-7819.
I declare under penalty of perjury that the foregoing is true and correct.
ecuted on:
Enclosure:
PPL Susquehanna, LLC Evaluation of Proposed Change to Unit1 and Unit 2 TS SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 "AC Sources - Operating"
Attachment:
Proposed Unit 1 and Unit 2 Technical Specification Changes (Mark-Ups)
Copy:
NRC Region I Mr. P. W. Finney, NRC Sr. Resident Inspector Ms. C. J. Sanders, NRC Project Manager Mr. L. J. Winker, DEP/BRP
Enclosure to PLA -6825 PPL Susquehanna, LLC Evaluation of Proposed Change to Unit 1 and Unit 2 Technical Specification Diesel Generator Surveillance Requirements 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19
- 1. DESCRIPTION
- 2. PROPOSED CHANGE
- 3. BACKGROUND
- 4. TECHNICAL ANALYSIS 4.1 Surveillance Test History
- 5. REGULATORY SAFETY ANALYSIS 5.1 No Significant Hazards Consideration 5.2 Applicable Regulatory Requirements/Criteria
- 6. ENVIRONMENTAL CONSIDERATIONS
- 7. REFERENCES
Enclosure to PLA-6825 Page 1 of8 PPL EVALUATION
Subject:
PPL Susquehanna, LLC Evaluation of Proposed Change to the Unit 1 and Unit 2 Technical Specifications (TS) Surveillance Requirements (SR) 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 and the associated TS Bases TSIB 3.8.1 SRs
- 1. DESCRIPTION The proposed change to the PPL Susquehanna, LLC (PPL) Unit 1 and Unit 2 TS SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 would revise Diesel Generators (DGs) minimum steady state surveillance isochronous voltage from 3793 V to 4000 V. The proposed change is limited to the DGs minimum steady state voltage and does not affect the maximum steady state isochronous voltage. The current surveillance DG minimum steady state voltage of 3793 V represents 91.2% of nominal bus voltage and is the lowest expected setting due to tolerance of the Degraded Voltage Relays (DVRs) nominally set at 93%. If a low DG voltage activates the DVRs, the DG breaker would remain closed but the loads shed from the DG bus, which includes safety related loads, would be the same as those shed by the degraded grid actuation when the 4.16kV bus is being supplied for off-site power. This change will not apply to DG surveillance requirements (SR 3.8.1.7, SR 3.8.1.15, SR 3.8.1.20) when operating in droop (test) mode since in droop mode, DG steady state output voltage is adjustable to allow paralleling with the grid.
Should the proposed change be approved, PPL plans to implement associated Unit 1 and Unit 2 TS amendments within 60 days.
Mark-ups of the proposed change of the Unit 1 and Unit 2 Technical Specifications (TS) are included in Attachment 1.
- 2. PROPOSED CHANGE The proposed technical change to the Unit 1 and Unit 2 TS SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 revises the DG surveillance minimum steady state isochronous voltage from "2=3793 V" to "2=4000 V". The proposed change will eliminate a non-conservative DG technical specification surveillance steady state Iirinimum voltage (3793 V) which cannot assure all the required components would load onto the ESS bus during an emergency.
3793 V represents 91.2% of 4.16kV bus voltage, which is below the Degraded Voltage Relays (DVRs) nominal setting of 93%. The degraded grid voltage protection scheme
Enclosure to PLA-6825 Page 2 of8 actuates to shed all non-permanently connected loads on an ESS bus and opens offsite power breakers to the subject bus when there is insufficient voltage from the offsite power sources. If the DG supplies voltage to the bus at the lower steady state limit of 3793V, the DVRs will not reset and the load shed signal will remain thus preventing emergency equipment from loading on the bus. To prevent unnecessary actuation of the 4160V degraded grid protection logic, the DG minimum surveillance steady state voltage when operating in isochronous mode should be increased above the upper value of the DVR reset voltage.
The proposed change will neither adversely affect DGs reliability nor their capability to perform intended design function.
- 3. BACKGROUND The diesel generators are designed to provide highly reliable and self-contained source of power, in the event of a complete loss of offsite power to the associated 4.16kV bus, for the electrical loads required for a simultaneous shutdown of both reactors. This includes the loads required to mitigate the effects of a design basis Loss of Coolant Accident (LOCA) on one unit. Sufficient capacity remains after failure of one Diesel to operate the Engineered Safety Features of one Unit, and those systems required for concurrent safe shutdown of the second Unit.
Current SSES TS DG surveillances 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 applicable to the DG in isochronous (emergency) mode allow for DG surveillance minimum steady state of 3793 V representing approximately 91.2% of the 4.16kV bus. This represents a nonconservative Technical Specification since the abovementioned TS SR does not meet the requirements of 10CFR50.36 in that each TS Limiting Condition for Operation (LCO) specify, at a*minimum, the lowest functional capability or performance level of equipment required for the safe operation of the facility. This condition was entered into the PPL Corrective Action Program.
The DGs nonconservative TS surveillance minimum steady state voltage, when operating in isochronous mode, does not affect the operability of the DGs. As such, administrative controls per NRC Administrative Letter 98-10 were implemented via affected procedure revisions.
The proposed TS change increases the minimum acceptable DG surveillance steady state voltage in isochronous mode from 3793 V to 4000 V. 4000 V would allow the DG minimum steady state output voltage to be above minimum required steady state equipment voltages and above DVRs maximum reset value of 3938.8 V (94.68% ).
Enclosure to PLA-6825 Page 3 of8
- 4. TECHNICAL ANALYSIS The PPL Susquehanna, LLC units Class 1E AC Electrical Distribution System (EDS) AC sources consist of two offsite power sources (preferred and alternate) and the onsite standby power sources (DGs). The installed DGs have the capability to (1) start and accelerate a number of large motor loads in rapid succession while maintaining voltage and frequency within acceptable limits, (2) provide power promptly to engineered safety features if a loss of offsite power and an accident occur during the time period, and (3) supply power continuously to the equipment needed to maintain the plant in a safe condition if an extended loss of power occurs.
When aligned to an Engineered Safeguard System (ESS) bus, a DG starts on a LOCA signal or on an ESS bus degraded voltage or undervoltage signal. Mter the DG has started, it automatically ties to its respective bus after offsite power is tripped as a consequence of ESS bus undervoltage or degraded voltage, independent or coincident with a LOCA signal. The DGs also start and operate in the standby mode without tying to ESS bus on a LOCA signal alone.
The degraded voltage scheme ensures that Susquehanna SES can successfully cope with LOCA while being subjected to the extremely low probability event of a degraded voltage condition on the Class 1E EDS.
PPL SSES utilizes multiple levels of undervoltage relays to detect degradation of AC voltage. Four relays are connected to each 4.16kV bus. Two of the relays on each bus (27B 1 and 27B2) are currently set to dropout at 93% of the rated voltage to detect sustained degraded voltage at the 4.16kV bus. When both the 27B1 and the 27B2 relays associated with any bus dropout coincidentally, transfer of that bus to an alternate source is initiated after 5 minutes during normal plant operation and 10 seconds during LOCA conditions. TS SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 current acceptable DG surveillance minimum steady state voltage of 3793V represents approximately 91.2% of nominal4.16kV bus voltage. DG minimum acceptable steady state isochronous voltage of 3793V is above the minimum required equipment voltage but below the degraded gi.id relay maximum reset value of 94.68% of the 4.16kV bus. With the current TS DG surveillance minimum steady state voltage acceptance criteria, a DG low output voltage of 3793V in isochronous mode would actuate the degraded voltage protection scheme.
The DG breaker would remain closed but associated loads shed would be consistent with degraded voltage loads shed, which includes safety related loads, when the 4.16kV bus is being supplied by offsite power source (primary or alternate).
The proposed amendment to increase TS SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 DG surveillance minimum acceptable steady state isochronous voltage from 3793 V to 4000 V will not cause undesired operation of the degraded voltage protection scheme.
The new DG minimum steady state voltage 4000 V would be above the minimum required equipment voltage and above the DVRs maximum reset value.
Enclosure to PLA-6825 Page 4 of8 This change is applicable to DG operation in isochronous (emergency) mode only. When operating in droop (test) mode, the DG output voltage and frequency are adjusted to match parallel offsite source. Therefore, the concern of connecting the DG in droop (test) mode to its corresponding 4.16kV bus in the degraded voltage protection range does not exist.
4.1 Surveillance Test History SSES DGs surveillance historical test results have shown DGs minimum steady state voltage consistently above the TS SR value. In the isochronous mode, DGs frequency is fixed at 60Hz and voltage controlled at 4250 V. Reviews of past DG surveillance voltage traces show steady state output voltage within acceptable range of 4150V -
4350V which is higher than the proposed 4000V.
- 5. REGULATORY SAFETY ANALYSIS 5.1 No Significant Hazards Consideration Amendments are proposed to the Unit 1 and Unit 2 Technical Specification SR 3.8.1.9, 3.8.1.11, 3.8.1.12, and 3.8.1.19 to change the DG surveillance steady state minimum voltage from "~3793 V" to "~4000 V". The proposed change will be limited to the DGs minimum steady state voltage and does not affect the maximum steady state voltage. The current surveillance DG minimum steady state voltage of 3793 V represents 91.2% of nominal bus voltage and is the lowest expected setting due to tolerance of the Degraded Voltage Relays (DVRs) nominally set at 93%. This change will not apply to DG surveillance requirements when operating in test (droop) mode since in droop mode, DG steady state output voltage is adjustable to allow paralleling with the grid.
PPL Susquehanna, LLC (PPL) has evaluated whether or not a significant hazards consideration is involved with the proposed amendment( s) by focusing on the three standards set forth in 10CFR50.92, "Issuance of amendment," as discussed below:
- 1. Does the proposed amendment involve a significant increase in the probability or consequences of an accident previously evaluated?
Response: No The proposed increase of the DG surveillance minimum steady state isochronous voltage does not adversely affect DGs or any other Systems Structures, and Components (SSCs) design function or an analysis that verifies the capability of an sse to perform its design function. Implementation of the proposed change does neither involve physical work activity to the DGs, nor change the safety function of the diesel generators. This change
Enclosure to PLA-6825 Page 5 of8 only affects one of the surveillance criteria to determine acceptable steady state operation of the diesel following simulated or actual load rejection, Loss Of Offsite Power (LOOP), Emergency Core Cooling System (ECCS) initiation and LOOP in conjunction with ECCS signals. As such, the proposed amendment would not change any of the previously evaluated accidents in the FSAR. The DG capability to provide highly reliable and self-contained source of power, in the event of a complete loss of offsite power to the associated 4.16kV bus, for the electrical loads required for a simultaneous shutdown of both reactors remains unaffected. Affected SSCs, operating procedures, and administrative controls do not have the function of preventing or mitigating any of the accidents as described in the FSAR.
The proposed amendment does not adversely affect current plant operation parameters.
Therefore, the proposed amendment does not result in a significant increase in the probability or consequences of any previously evaluated accident.
- 2. Does the proposed amendment create the possibility of a new or different kind of accident from any accident previously evaluated?
Response: No.
The proposed amendment will not adversely affect the design function or operation of the diesel generators as described in the FSAR. Implementation of this TS change will not require installation of new system component, construction activities, and performance of testing or maintenance that will affect the DGs operation or their ability to perform their design function. Changes in affected surveillance procedures have been made to increase the DG surveillance minimum steady state isochronous voltage from 3793 V to 4000V.
This change represents only an increase in the minimum acceptable steady state isochronous voltage and does not affect steps performed within these procedures or any other plant document used to demonstrate DGs capability to perform their design function. Credible new failure mechanisms, malfunctions, or accident initiators not considered in the design and licensing bases of SSES would not be added by the proposed amendment. As such, the proposed change would not create the possibility of a new or different kind of accident.
Therefore, the proposed change does not create the possibility of a new or different kind of accident from any previously evaluated.
- 3. Does the proposed amendment involve a significant reduction in a margin of safety?
Response: No The proposed increase of the DG surveillance minimum steady state isochronous voltage would only adjust minimum acceptable steady state voltage since DGs surveillances
Enclosure to PLA-6825 Page 6 of8 historical data have shown minimum steady state voltage above 3793V. This TS change will tighten DGs surveillance steady state voltage acceptable band and lessen the potential adverse effect on degraded grid relays operation. As such, it would represent a conservative increase of the DG surveillance minimum steady state voltage when operating in isochronous (emergency) mode. No changes to the DG surveillance maximum steady state voltage or its surveillance requirements when operating in test (droop) mode will be implemented as part of this proposed amendment.
PPL Susquehanna, LLC operation safety margin is established and maintained through the design of its SSCs, parameters of operation, and component actuation setpoints. The proposed change does not exceed or alter an existing design basis or safety limit as established in the FSAR or the license. Thus, it does not significantly reduce previously existing safety margin.
Therefore, the proposed change does not involve a significant reduction in a margin of safety.
Based on the above, PPL Susquehanna, LLC (PPL) concludes that the proposed amendment( s) present no significant hazards consideration under the standards set forth in 10CFR 50.92( c), and, accordingly, a finding of "no significant hazards consideration" is justified.
5.2 Applicable Regulatory Requirements/Criteria The regulatory basis forTS 3.8.1 "AC Sources- Operating" is to ensure that highly reliable, self-contained source of power is supplied to SSCs important to safety in the event of a complete loss of off-site power to the associated 4.16kV bus.
10CFR Part 50, General Design Criteria (GDC 1), "Quality standards and records,"
requires that Structures, systems, and components important to safety shall be designed, fabricated, erected, and tested to quality standards commensurate with the importance of the safety functions to be performed.
GDC 2, "Design bases for protection against natural phenomena," requires that SSCs important to safety shall be designed to withstand the effects of natural phenomena such as earthquakes, tornadoes, hurricanes, floods, tsunami, and seiches without loss of capability to perform their safety functions.
GDC 4, "Environmental and dynamic effects design bases," requires that SSCs important to safety shall be designed to accommodate the effects of and to be compatible with the environmental conditions associated with normal operation, maintenance, testing, and postulated accidents, including loss-of-coolant accidents.
Enclosure to PLA-6825 Page 7 of8 GDC 5, "Sharing of structures, systems, and components," requires that SSCs important to safety shall not be shared among nuclear power units unless it can be shown that such sharing will not significantly impair their ability to perform their safety functions, including, in the event of an accident in one unit, an orderly shutdown and cooldown of the remaining units.
GDC 17, "Electric power systems," requires that an onsite electric power system and an offsite electric power system shall be provided to permit functioning of SSCs important to safety. The onsite electric power supplies, including the batteries, and the onsite electric distribution system, shall have sufficient independence, redundancy, and testability to perform their safety functions assuming a single failure. Provisions shall be included to minimize the probability of losing electric power from any of the remaining supplies as a result of, or coincident with, the loss of power generated by the nuclear power unit, the loss of power from the transmission network, or the loss of power from the onsite electric power supplies.
GDC 18, "Inspection and testing of electric power systems," requires that Electric power systems important to safety shall be designed to permit appropriate periodic inspection and testing to assess the continuity of the systems and the condition of their components.
Such power system testing shall be designed to test periodically the operability of the system as a whole and, under conditions as close to design as practical, the full operation sequence that brings the systems into operation, including operation of applicable portions of the protection system, and the transfer of power among the nuclear power unit, the offsite power system, and the onsite power system.
GDC 21, "Protection system reliability and testability," requires that the protection system shall be designed for high functional reliability and in-service testability commensurate with the safety functions to be performed. Such protection system shall be designed to permit periodic testing of its functioning when the reactor is in operation, including a capability to test channels independently to determine failures and losses of redundancy that may have occurred.
The proposed amendment which is increasing the DG surveillance minimum steady state voltage when operating in isochronous mode does not change the DG system compliance with the above General Design Criteria.
In conclusion, based on the considerations discussed above, (1) there is reasonable assurance that the health and safety of the public will not be endangered by operation in the proposed manner, (2) such activities will be conducted in compliance with the commission's regulations, and (3) the issuance of the amendment will not be inimical to the common defense and security or to the health and safety of the public.
Enclosure to PLA-6825 Page 8 of8
- 6. ENVIRONMENTAL CONSIDERATION 10CFR 51.22(c)(9) identifies certain licensing, regulatory, and administrative actions eligible for categorical exclusion or otherwise not requiring environmental review. A proposed amendment to a facility operating license which changes a requirement, or grants an exemption from any such requirement, with respect to installation or use of a facility component located within the restricted area, or which changes an inspection or a surveillance requirement does not require an environment assessment provided that:
(1) the subject amendment involves no significant hazards consideration; (2) there is no significant change in the types or significant increase in the amounts of any effluents that may be released offsite; and (3) there is no significant increase in individual or cumulative occupational radiation exposure.
PPL Susquehanna, LLC has evaluated the proposed change and determined the subject change meet the criteria for categorical exclusion set forth in 10CFR51.22(c)(9). As such, per 10CFR 51.22(b), an environmental assessment or an environmental impact statement is not required for this proposed amendment. Following is the basis for this determination, using the aforementioned criteria.
Basis:
As demonstrated in the "No Significant Hazards Consideration" evaluation, the proposed change does not involve a significant hazards consideration.
The proposed amendment does not involve addition or deletion of component in the DG system or any other SSCs. Neither normal plant operation parameters nor existing DG system responses to Design Basis Accidents (DBA) or a combination of DBA as described in the FSAR would be adversely affected by the implementation of this proposed change. Change in the types or significant increase in the amounts of any effluents that may be released offsite, or significant increase in individual or cumulative occupational radiation exposure would not occur upon increase of DG surveillance minimum steady state voltage when operating in isochronous mode.
- 7. REFERENCES 7.1 FSAR Section 8.3.1.4 7.2 10CFR 50.63 7.3 10CFR 50, Appendix A, GDC 7.4 10CFR 51.22 7.5 NRC Administrative Letter 98-10 7.6 NRC Regulatory Guide 1.9 7.7 NRC Regulatory Guide 1.108
Attachment 1 to PLA-6825 Unit 1 and Unit 2 Technical Specification Changes (Mark-Ups)
PPL Rev.
AC Sources - Operating 3.8.1 3.8 Electrical Power Systems SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY S R 3. 8. 1.9 -------------------------------N0 T E-------------------------------------
A single test at the specified Frequency will satisfy this Surveillance for both units.
Verify each DG rejects a load greater than or equal to its 24 months associated single largest post-accident load, and:
- a. Following load rejection, the frequency is:::;; 64.5 Hz; b.
Witfi1n seconds following load rejection, the frequency is 2: 58.8 Hz and:::;; 61.2 Hz.
SR 3.8.1.1 0 ------------------------------NOTES------------------------------------
A single test at the specified Frequency will satisfy this Surveillance for both units.
Verify each DG does not trip and voltage is maintained 24 months s 4560 V during and following a load rejection of 2:4000 kW.
(continued)
SUSQUEHANNA- UNIT 1 IS/ 3.8-7 Amendment :w:&-
PPL Rev. f AC Sources - Operating 3.8.1 3.8 Electrical Power Systems SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.11 -------------------------------NOTES-----------------------------------
- 1. All DG starts may be preceded by an engine prelube period.
- 2. This SR shall be performed for each DG on a rotational test basis and for each 4.16 kV ESS bus at the specified FREQUENCY.
- 3. This Surveillance shall not be performed in MODE 1, 2 or 3.
Verify on an actual or simulated loss of offsite power 24 months signal:
- a. De-energization of 4.16 kV ESS buses;
- b. Load shedding from 4.16 kV ESS buses; and
- c. DG auto-starts from standby condition and:
- 1. energizes permanently connected loads in
- : ; 10 seconds,
- 2. energizes auto-connected shutdown loads through individual load timers,
- 3. maintains steady state voltage~d
- : ; 4400V, ~*
- 4. maintains steady state frequency ~ 58.8 Hz and
- : ; 61.2 Hz, and 5 . supplies permanently connected loads for
~ 5 minutes.
(continued)
SUSQUEHANNA- UNIT 1 *i ~J 3.8-8 Amendment ~
PPL Rev.,A' AC Sources - Operating 3.8.1 3.8 Electrical Power Systems SURVEILLANCE REQUIREMENTS (continued SURVEILLANCE FREQUENCY SR 3.8.1.12 ------------------------------NOTES------------------------------------
- 1. All DG starts may be preceded by an engine prelube period.
- 2. DG E, when not aligned to the Class 1E distribution system, may satisfy this SR for both units by performance of SR 3.8.1.12.a, band c using the test facility to simulate a 4.16 kV ESS bus. SR 3.8.1.12.d and e may be satisfied with either the normally aligned DG or DG E aligned to the Class 1E distribution system.
24 months Verify, on an actual or simulated Emergency Core c*ooling System (ECCS) initiation signal, each DG auto-starts from standby condition and:
a.
ons are d s;; 4400 V;
- b. In s;; 10 seconds after auto-s es frequency 2:: 58.8 Hz, and after steady state conditions are reached, maintains frequency 2:: 58.8 Hz and s;; 61.2 Hz;
- c. Operates for 2:: 5 minutes;
- d. Permanently connected loads remain energized from the offsite power system; and
- e. Emergency loads are energized or auto-connected through the individual load timers from the offsite power system.
(continued)
SUSQUEHANNA- UNIT 1 -t5f 3.8-9 Amendment "t"Te-
PPL Rev. /
AC Sources - Operating 3.8.1 3.8 Electrical Power Systems SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY S R 3. 8. 1. 19 ------------------------------NOTES------------------------------------
- 1. All DG starts may be preceded by an engine prelube period.
- 2. This SR shall be performed for each DG on a rotational test basis and for each 4 .16 kV ESS bus at the specified FREQUENCY.
- 3. This Surveillance shall not be performed in MODE 1, 2 or3.
Verify on an actual or simulated loss of offsite power 24 months signal in conjunction with an actual or simulated ECCS initiation signal:
- a. De-energization of 4.16 kV ESS buses;
- b. Load shedding from emergency buses; and
- c. DG auto-starts from standby condition and:
- 1. energizes permanently connected loads in
- 10 seconds,
- 2. energizes auto-connected emergency loads through individual load timers,
- 3. achieves steady state volta~
- 4400V, ~~
- 4. achieves steady state frequency 2:: 58.8 Hz and
- 61.2 Hz, and
- 5. supplies permanently connected and auto-connected emergency loads for 2:: 5 minutes.
(continued)
SUSQUEHANNA- UNIT 1 \S/ 3.8- 15 Amendment ~
PPL Rev./
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY S R 3. 8. 1.9 ----------------------------NOTE----------------------------
A single test at the specified Frequency will satisfy this Surveillance for both units.
Verify each DG rejects a load greater than or equal to its associated single largest post- 24 months accident load, and:
- a. Following load rejection, the frequency is s 64.5 Hz; b.
- c. Within 6 seconds following load rejection, the frequency is;;:=:: 58.8 Hz and s 61 .2 Hz.
SR 3.8.1.1 0 ---------------------------NOTE-----------------------------
A single test at the specified Frequency will satisfy this Surveillance for both units.
Verify each DG does not trip and voltage is 24 months maintained s 4560 V during and following a load rejection of ; :=: 4000 kW.
(continued)
SUSQUEHANNA- UNIT 2 \ ;)j 3.8-9 Amendment 'iS1-
PPL Rev. f4' AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.11 ----------------------------NOTES--------------------------
- 1. All DG starts may be preceded by an engine prelube period.
- 2. This Surveillance shall not be performed in MODE 1, 2 or 3.
- 3. This SR shall be performed for each DG on a rotational test basis and for each 4.16 kV ESS bus at the specified FREQUENCY.
Verify on an actual or simulated loss of offsite 24 months power signal:
- a. De-energization of 4.16 kV ESS buses;
- b. Load shedding from 4.16 kV ESS buses; and
- c. DG auto-starts from standby condition and:
- 1. energizes permanently connected loads in s 10 seconds,
- 2. energizes auto-connected shutdown loads through individual load timers,
..-r~l.f't1:.a~~teady state voltage d s 4400 V, maJn steady state frequency 2:: 58.8 Hz and s 61.2 Hz, and
- 5. supplies permanently connected loads for 2:: 5 minutes.
(continued)
SUSQUEHANNA- UNIT 2 \S I 3.8-10 Amendment-+6+-
PPL Rev.; (
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS continued)
SURVEILLANCE FREQUENCY SR 3.8.1.12 ---------------------------NOTES---------------------------
- 1. All DG starts may be preceded by an engine prelube period.
- 2. DG E, when not aligned to the Class 1E distribution system, may satisfy this SR for both units by performance of SR 3.8.1.12.a, b and c using the test facility to simulate a 4.16 kV ESS bus. SR 3.8.1.12.d and e may be satisfied with either the normally aligned DG or DG E aligned to the Class 1E distribution system.
Verify, on an actual or simulated Emergency 24 months Core Cooling System (ECCS) initiation signal, each DG auto-starts from standby condition and:
a.
n_ . conds after auto-start achieves frequency;::::: 58.8 Hz, and after steady state conditions are reached, maintains frequency
- : 58.8 Hz and ~ 61.2 Hz;
- c. Operates for;::::: 5 minutes;
- d. Permanently connected loads remain energized from the offsite power system; and
- e. Emergency loads are energized or auto-connected through the individual load timers from the offsite power system.
(continued)
SUSQUEHANNA- UNIT 2 +Sf 3.8-11 Amendment 1 PPL Rev.,; (
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.19 ---------------------------NOTES---------------------------
- 1. All DG starts may be preceded by an engine prelube period.
- 2. This SR shall be performed for each DG on a rotational test basis and for each 4.16 kV ESS bus at the specified FREQUENCY.
- 3. This Surveillance shall not be performed in MODE 1, 2 or 3.
Verify on an actual or simulated loss of offsite 24 months power signal in conjunction with an actual or simulated ECCS initiation signal:
- a. De-energization of 4.16 kV ESS buses;
- b. Load shedding from emergency buses; and
- c. DG auto-starts from standby condition and:
- 1. energizes permanently connected loads in ~ 10 seconds,
- 2. energizes auto-connected emergency loads through individual load timers,
- 3. achieves steady state volta~
and,;; 4400 V, ~
- 4. achieves steady state frequency 2 58.8 Hz and ::::; 61.2 Hz, and
- 5. supplies permanently connected and auto-connected emergency loads for 2 5 minutes.
(continued)
SUSQUEHANNA- UNIT 2 *-tsj 3.8-17 Amendment 1'5+