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Letter type:RA  and Request for Code Relief or Alternative

IWB-2411 +, IWC-2411 +, IWA-2430 +, IWA-2432 +  and IWA-2431 +

10 CFR 50 +, 10 CFR 50.12 +, 10 CFR 50.55a#z1 +, 10 CFR 50.55a#a3ii +, 10 CFR 50.55a#g6ii +, 10 CFR 50.55a#y +, 10 CFR 51.22#b +, 10 CFR 51.22#c25 +, 10 CFR 50.12#a2 +, 10 CFR 50.12#a2ii +, 10 CFR 50.12#a1 +, 10 CFR 50.12#a2iii +  and 10 CFR 50.12#a2vi +

ASME Code Case N-853 +, ASME Code Case N-752 +  and ASME Code Case N-921 +

RA-20-0031, Revision to Request for Alternative in Accordance with 10 CFR 50.55a (z)(1) to Delay the Update of the ASME Code of Record for the First Inspection Period +, RA-19-0106, Relief Requested in Accordance with 10 CFR 50.55a(z)(1) for Volumetric or Surface Examination of Code Case N-729-4 Examinations of the Reactor Pressure Vessel Upper Head +, RA-19-0341, Request for Alternative in Accordance with 10 CFR 50.55a (z)(1) to Delay the Update of the ASME Code of Record for the First Inspection Period +, RA-20-0036, Request for Alternative to Defect Removal Prior to Performing Repair/Replacement Activities on Low Pressure Service Water (LPSW) System Piping +, RA-19-0352, Duke Energy Carolinas, LLC - Relief Request for Alternative for Reactor Vessel Closure Stud Examinations +, RA-20-0328, Request for Alternative for Implementation of Extended Reactor Vessel Inservice Inspection Intervals +, RA-19-0418, Proposed Alternative for Inservice Inspection of Containment Post-Tensioning System Components +, RA-22-0256, Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-22-0257, Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-23-0018, Relief Request (RA-23-0018) to Utilize Code Case N-853 PWR Class 1 Primary Piping Alloy 600 Full Penetration Branch Connection Weld Metal Buildup for Material Susceptible to Primary Water Stress Corrosion Cracking Section XI, Division 1 +, RA-23-0154, Duke Energy - Response to Request for Additional Information Regarding Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-23-0136, Duke Energy Response to Request for Additional Information Regarding Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-22-0174, Proposed Alternative to Use American Society of Mechanical Engineers (ASME) Code Case N-752, Risk-Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 and 3 Systems. +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +  and RA 0154 +

05000261  +, 05000369  +, 05000269  +, 05000270  +, 05000287  +, 00261  +, 00369  +, 00269  +, 00270  +  and 00287  +

ML15349A453 +, ONS-2015-074, Fifth Ten Year Inservice Inspection Interval, Relief Request No. 15-ON-001; Alternative to Defect Removal Prior to Repair/Replacement Activities on Low Pressure Service Water System Piping +, RA-20-0031, Revision to Request for Alternative in Accordance with 10 CFR 50.55a (z)(1) to Delay the Update of the ASME Code of Record for the First Inspection Period +, RA-19-0106, Relief Requested in Accordance with 10 CFR 50.55a(z)(1) for Volumetric or Surface Examination of Code Case N-729-4 Examinations of the Reactor Pressure Vessel Upper Head +, RA-20-0036, Request for Alternative to Defect Removal Prior to Performing Repair/Replacement Activities on Low Pressure Service Water (LPSW) System Piping +, ML20206K928 +, ML20097F088 +, RA-19-0352, Duke Energy Carolinas, LLC - Relief Request for Alternative for Reactor Vessel Closure Stud Examinations +, RA-20-0328, Request for Alternative for Implementation of Extended Reactor Vessel Inservice Inspection Intervals +, ML20230A205 +, RA-19-0418, Proposed Alternative for Inservice Inspection of Containment Post-Tensioning System Components +, ML21281A141 +, ML21335A106 +, ML22096A003 +, RA-22-0256, Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-22-0257, Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-23-0018, Relief Request (RA-23-0018) to Utilize Code Case N-853 PWR Class 1 Primary Piping Alloy 600 Full Penetration Branch Connection Weld Metal Buildup for Material Susceptible to Primary Water Stress Corrosion Cracking Section XI, Division 1 +, RA-23-0154, Duke Energy - Response to Request for Additional Information Regarding Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-23-0136, Duke Energy Response to Request for Additional Information Regarding Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-22-0174, Proposed Alternative to Use American Society of Mechanical Engineers (ASME) Code Case N-752, Risk-Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 and 3 Systems. +, ML23256A088 +, ML23264A853 +, ML23262A967 +, ML23235A158 +, ML23291A328 +, RS-25-027, Drensden Nuclear Power Station, Units 2 & 3 and Quad Citiies Nuclear Power Station, Units 1 & 2 - Request Exemptions from 10 CFR 50.55a(a)(3)(iii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, a +  and ML23285A074 +

50 FR 50764 +, 89 FR 58039 +  and 89 FR 70449 +

Duke Energy +, Progress Energy Carolinas +  and Ellis K +

RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +  and RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +

RA-20-0031, Revision to Request for Alternative in Accordance with 10 CFR 50.55a (z)(1) to Delay the Update of the ASME Code of Record for the First Inspection Period +, RA-19-0106, Relief Requested in Accordance with 10 CFR 50.55a(z)(1) for Volumetric or Surface Examination of Code Case N-729-4 Examinations of the Reactor Pressure Vessel Upper Head +, RA-19-0341, Request for Alternative in Accordance with 10 CFR 50.55a (z)(1) to Delay the Update of the ASME Code of Record for the First Inspection Period +, RA-20-0036, Request for Alternative to Defect Removal Prior to Performing Repair/Replacement Activities on Low Pressure Service Water (LPSW) System Piping +, RA-19-0352, Duke Energy Carolinas, LLC - Relief Request for Alternative for Reactor Vessel Closure Stud Examinations +, RA-20-0328, Request for Alternative for Implementation of Extended Reactor Vessel Inservice Inspection Intervals +, RA-19-0418, Proposed Alternative for Inservice Inspection of Containment Post-Tensioning System Components +, RA-22-0256, Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-22-0257, Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-23-0018, Relief Request (RA-23-0018) to Utilize Code Case N-853 PWR Class 1 Primary Piping Alloy 600 Full Penetration Branch Connection Weld Metal Buildup for Material Susceptible to Primary Water Stress Corrosion Cracking Section XI, Division 1 +, RA-23-0154, Duke Energy - Response to Request for Additional Information Regarding Proposed Alternative for Pressurizer Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-23-0136, Duke Energy Response to Request for Additional Information Regarding Proposed Alternative for Steam Generator Welds in Accordance with 10 CFR 50.55a(z)(1) +, RA-22-0174, Proposed Alternative to Use American Society of Mechanical Engineers (ASME) Code Case N-752, Risk-Informed Categorization and Treatment for Repair/Replacement Activities in Class 2 and 3 Systems. +, RA-24-0291, Duke Energy - Request for Exemptions from 10 CFR 50.55a(a)(3)(ii), Which Incorporates by Reference Regulatory Guide 1.147, Revision 21, for Code Case N-921, and 10 CFR 50.55a(y) +  and RA 0154 +

Oconee +, Robinson +  and McGuire +

Oconee +, McGuire +  and DPR-23 +

Steam Generator +, Service water +  and Reactor Pressure Vessel +

Office of Nuclear Reactor Regulation +  and Document Control Desk +

Exemption Request +  and Incorporated by reference +