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| ==Subject:== | | ==Subject:== |
| Fitz, LAR, ME6877, Request for Additional Information (RAIs) to Licensee | | Fitz, LAR, ME6877, Request for Additional Information (RAIs) to Licensee |
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| ==SUBJECT:== | | ==SUBJECT:== |
| James A. FitzPatrick Nuclear Power Plant (JAFNPP) - ACCEPTANCE OF REQUESTED LICENSING ACTION RE: License Amendment Request to change the Current licensing Basis, Authorizing Use of On Load Tap Changers for Reserve Station Service Transformer (TAC NO. ME6877) By letter dated August 16, 2011, Energy Nuclear Operations, Inc., the licensee, submitted the License Amendment Request (LAR) to change the Current licensing Basis, Authorizing Use of On Load Tap Changers for Reserve Station Service Transformer. The NRC staff is reviewing the application. However, the NRC staff requires the following additional information to complete its review of the license amendment request: REQUEST FOR ADDITIONAL INFORMATION JAMES A. FITZPATRICK NUCLEAR POWER PLANT TAC No. ME6877 1. Provide revised Figures 8.2-1 and 8.5-1 of Updated Final safety Analysis Report and any others, in which the new ratings of RSSTs are shown. | | James A. FitzPatrick Nuclear Power Plant (JAFNPP) - ACCEPTANCE OF REQUESTED LICENSING ACTION RE: License Amendment Request to change the Current licensing Basis, Authorizing Use of On Load Tap Changers for Reserve Station Service Transformer (TAC NO. ME6877) |
| : 2. In the LAR, Attachment 1, Page Nos. 5 and 6, the following is stated: "The normal power source for the primary and backup digital OLTC Beckwith microcontrollers is from a potential transformer that is located between the RSST secondary windings and the 4kV [kilo-Volt] RSST bus supply breakers." | | By letter dated August 16, 2011, Energy Nuclear Operations, Inc., the licensee, submitted the License Amendment Request (LAR) to change the Current licensing Basis, Authorizing Use of On Load Tap Changers for Reserve Station Service Transformer. |
| | The NRC staff is reviewing the application. However, the NRC staff requires the following additional information to complete its review of the license amendment request: REQUEST FOR ADDITIONAL INFORMATION JAMES A. FITZPATRICK NUCLEAR POWER PLANT TAC No. ME6877 |
| | : 1. Provide revised Figures 8.2-1 and 8.5-1 of Updated Final safety Analysis Report and any others, in which the new ratings of RSSTs are shown. |
| | : 2. In the LAR, Attachment 1, Page Nos. 5 and 6, the following is stated: "The normal power source for the primary and backup digital OLTC Beckwith microcontrollers is from a potential transformer that is located between the RSST secondary windings and the 4kV [kilo-Volt] RSST bus supply breakers." |
| | |
| Provide a copy of the diagram which shows the connection of the potential transformer that is located between the RSST secondary windings and the 4kV RSST bus supply breakers. Also, identify which 4kV buses are monitored and controlled by the OLTC, and which 4kV buses are shown in Figures 1 and 2 of the LAR. | | Provide a copy of the diagram which shows the connection of the potential transformer that is located between the RSST secondary windings and the 4kV RSST bus supply breakers. Also, identify which 4kV buses are monitored and controlled by the OLTC, and which 4kV buses are shown in Figures 1 and 2 of the LAR. |
| : 3. In the LAR, Attachment 1, Page No. 6, the following is stated: "The primary microcontroller is set with a time delay during operation; this setting is needed to inhibit the tap changer from unnecessary operations on temporary voltage excursions." | | : 3. In the LAR, Attachment 1, Page No. 6, the following is stated: "The primary microcontroller is set with a time delay during operation; this setting is needed to inhibit the tap changer from unnecessary operations on temporary voltage excursions." |
| Provide the above time delay setting associated with the primary microcontroller, and confirm whether the above time delay is bypassed in case of a design basis accident signal. 4. In the LAR, Attachment 1, Page Nos. 6 and 7, the following is stated: "By providing automatic adjustment of the voltage to the auxiliary power system from the offsite 115kV system, the RSST OLTCs will compensate for a wide range of 115kV (110kV - 121kV) system operating voltages." "To prevent unnecessary disconnection of the safety-related buses from offsite power, analyses have determined the minimum permissible pre LOCA [loss-of-coolant accident] contingency voltage that can occur following generator trip without actuating the DVR [degraded voltage relay] scheme." Provide the basis for considering the above voltage range for the 115kV system. What is the current minimum permissible pre LOCA 115kV contingency voltage that can occur following a generator trip without actuating the DVR scheme, prior to the proposed amendment? | | |
| : 5. In order to find the voltage improvements due to the OLTC, please provide the voltage profiles for the 4kV major load buses in the following scenarios: (a) Accident load sequencing with the 115kV switchyard voltage at the minimum voltage level, without OLTC (prior to proposed amendment). | | Provide the above time delay setting associated with the primary microcontroller, and confirm whether the above time delay is bypassed in case of a design basis accident signal. |
| (b) Same as (a) but with new RSST and OLTC in normal operation. (c) Non-Accident load sequencing due to spurious sudden trip of the main generator, with the 115kV switchyard voltage at the minimum voltage level, loads fast transfer to RSST (prior to proposed amendment). (d) Same as (c) but with new RSST and OLTC in normal operation. | | : 4. In the LAR, Attachment 1, Page Nos. 6 and 7, the following is stated: "By providing automatic adjustment of the voltage to the auxiliary power system from the offsite 115kV system, the RSST OLTCs will compensate for a wide range of 115kV (110kV - 121kV) system operating voltages." "To prevent unnecessary disconnection of the safety-related buses from offsite power, analyses have determined the minimum permissible pre LOCA [loss-of-coolant accident] contingency voltage that can occur following generator trip without actuating the DVR [degraded voltage relay] scheme." |
| 6. Provide a discussion of the power and control voltage sources for operation of the OLTC, and primary and backup microcontrollers. Also, confirm the location of primary and backup microcontrollers, and the locations where an Operator can locally and remotely control the OLTCs, if needed. | | Provide the basis for considering the above voltage range for the 115kV system. What is the current minimum permissible pre LOCA 115kV contingency voltage that can occur following a generator trip without actuating the DVR scheme, prior to the proposed amendment? |
| : 7. In the LAR, Attachment 1, Page No. 9, the following is stated: "The 4400V used in Figure 1 is 110% of the voltage rating of the safety-related motors fed from the bus, consistent with ANSI/NEMA Standard MG 2009, Revision 1-2010, "Motors and Generators." The staff finds that in Figure 1, the nominal voltage shown in Figure 1 is 4441.5V instead of 4400V. Please provide an explanation for this discrepancy. Please contact me immediately, to schedule a tele-conference, preferably, today -or-tomorrow, with your staff and the NRC staff to ensure that the licensee clearly understands the NRC staff concerns. The licensee submission that provides complete responses to the RAIs, is needed by March 27, 2012, in order to support the timely completion of this licensing action. | | : 5. In order to find the voltage improvements due to the OLTC, please provide the voltage profiles for the 4kV major load buses in the following scenarios: |
| Please contact me, if you have any questions. | | (a) Accident load sequencing with the 115kV switchyard voltage at the minimum voltage level, without OLTC (prior to proposed amendment). |
| Bhalchandra K. Vaidya Licensing Project Manager NRC/NRR/DORL/LPL1-1 (301)-415-3308 (O) bhalchandra.vaidya@nrc.gov | | |
| }} | | (b) Same as (a) but with new RSST and OLTC in normal operation. |
| | (c) Non-Accident load sequencing due to spurious sudden trip of the main generator, with the 115kV switchyard voltage at the minimum voltage level, loads fast transfer to RSST (prior to proposed amendment). |
| | (d) Same as (c) but with new RSST and OLTC in normal operation. |
| | : 6. Provide a discussion of the power and control voltage sources for operation of the OLTC, and primary and backup microcontrollers. Also, confirm the location of primary and backup microcontrollers, and the locations where an Operator can locally and remotely control the OLTCs, if needed. |
| | : 7. In the LAR, Attachment 1, Page No. 9, the following is stated: "The 4400V used in Figure 1 is 110% of the voltage rating of the safety-related motors fed from the bus, consistent with ANSI/NEMA Standard MG-1-2009, Revision 1-2010, "Motors and Generators." |
| | The staff finds that in Figure 1, the nominal voltage shown in Figure 1 is 4441.5V instead of 4400V. Please provide an explanation for this discrepancy. |
| | Please contact me immediately, to schedule a tele-conference, preferably, today -or-tomorrow, with your staff and the NRC staff to ensure that the licensee clearly understands the NRC staff concerns. |
| | The licensee submission that provides complete responses to the RAIs, is needed by March 27, 2012, in order to support the timely completion of this licensing action. |
| | |
| | Please contact me, if you have any questions. |
| | |
| | Bhalchandra K. Vaidya Licensing Project Manager NRC/NRR/DORL/LPL1-1 (301)-415-3308 (O) bhalchandra.vaidya@nrc.gov}} |
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MONTHYEARJAFP-11-0102, Application for Change to the Current Licensing Basis, Authorizing Use of on Load Tap Changers with the Reserve Station Service Transformers2011-08-16016 August 2011 Application for Change to the Current Licensing Basis, Authorizing Use of on Load Tap Changers with the Reserve Station Service Transformers Project stage: Request ML1125504082011-09-12012 September 2011 ME6877, E-mail to Licensee, Acceptance of LAR Changes to the Licensing Basis, Authorizing the Use of on Load Tap Changers for Reserve Station Service Transformer Project stage: Acceptance Review ML1205800262012-02-27027 February 2012 ME6877, RAIs to Licensee LAR to Revise the Current Licensing Bases Authorizing On-Load Tap Changers for RSST Project stage: RAI ML1213709832012-05-14014 May 2012 RAI - Load Tap Changers with Service Transformers Project stage: RAI ML12201A3052012-07-16016 July 2012 RAI Regarding PSP R11 Project stage: RAI ML12236A3042012-09-26026 September 2012 Issuance of Amendment #302 - Revising the Update Final Safety Analysis Report to Reflect Authorization of Use of on Load Tap Changers with the New Reserve Station Transformers Project stage: Approval JAFP-12-0150, Commitment Extension Application for Change to the Current Licensing Basis, Authorizing Use of on Load Tap Changers with the Reserve Station Service Transformers2012-12-10010 December 2012 Commitment Extension Application for Change to the Current Licensing Basis, Authorizing Use of on Load Tap Changers with the Reserve Station Service Transformers Project stage: Request 2012-02-27
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Category:E-Mail
MONTHYEARML24024A1372024-01-24024 January 2024 NRR E-mail Capture - Final Snsb RAI Regarding FitzPatrick Amendment to Modify Safety Relief Valves Setpoint Lower Tolerance ML24017A1112024-01-17017 January 2024 NRR E-mail Capture - Acceptance of Requested Licensing Action Amendment Request to Adopt TSTF-529, Clarifyuse and Applicaion Rules, Revision 4 ML23264A7992023-09-21021 September 2023 NRR E-mail Capture - Final RAI - Constellation Energy Generation, LLC Fleet Request License Amendment Request to Adopt TSTF-580, Revision 1 ML23261C3982023-09-0808 September 2023 Acceptance Review of Amendment to Update the Fuel Handling Accident Analysis ML23244A2662023-09-0101 September 2023 Acceptance of Requested Licensing Action Amendment Request to Modify Surveillance Requirement 3.4.3.1, Safety Relief Valves Setpoint Lower Tolerance ML23237B3972023-08-24024 August 2023 NRR E-mail Capture - Constellation Energy Generation, LLC - Fleet Request - Acceptance of Alternative Request to Use Updated BWRVIP Guidelines ML23194A1822023-08-0303 August 2023 Acceptance Review for LAR Re SRM 3.3.1.2 ML23163A2292023-06-12012 June 2023 NRR E-mail Capture - Constellation Energy Generation, LLC - Fleet Request - Acceptance of License Amendment Request to Adopt TSTF-580, Revision 1 ML22354A2622022-12-20020 December 2022 NRR E-mail Capture - Constellation Energy Generation, LLC - Fleet Request - Acceptance of Request to Use Certain Provisions of the 2019 Edition of the ASME BPV Code, Section XI NRC-2100-2022, EN 55999 Valcor Coil Shell Assemblies Final Notification (004)2022-09-12012 September 2022 EN 55999 Valcor Coil Shell Assemblies Final Notification (004) NRC 2110-2022, EN 55999 - Valcor Engineering Corporation (009)2022-07-18018 July 2022 EN 55999 - Valcor Engineering Corporation (009) ML22124A2672022-05-0404 May 2022 Request for Additional Information for James A. FitzPatrick Nuclear Power Plant TSTF-505 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 ML22020A0642022-01-13013 January 2022 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Proposed Fleet Alternative for Repair of Water Level Instrumentation Partial Penetration Nozzles ML22063A4742021-11-29029 November 2021 Acceptance of Requested Licensing Action License Amendment Request to Eliminate Selected Response Time Testing ML21301A0672021-10-28028 October 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Acceptance of License Amendment Request to Adopt TSTF-541 ML21256A1902021-09-10010 September 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21252A0482021-09-0707 September 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Fleet Alternative Request for Repair of Water Level Instrumentation Partial Penetration Nozzles ML21246A2112021-09-0303 September 2021 Acceptance of Requested Licensing Action License Amendment Request to Adopt TSTF-505 ML21246A2072021-09-0303 September 2021 Acceptance of Requested Licensing Action License Amendment Request to Adopt 10 CFR 50.69 ML21215A3502021-08-0303 August 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Acceptance of License Amendment Request to Adopt TSTF-554 ML21187A0522021-07-0606 July 2021 Fitz RAI Regarding FitzPatrick Amendment Request to Modify SR 3.5.1.6 ML21246A2142021-06-23023 June 2021 Acceptance of Requested Licensing Action Regarding License Amendment Request to Adopt TSTF-264 ML21154A0112021-05-28028 May 2021 NRR E-mail Capture - Extension of Comment Period for the Exelon Generation Company, LLC License Transfer Application ML21154A0142021-05-28028 May 2021 NRR E-mail Capture - Extension of Comment Period for the Exelon Generation Company, LLC License Transfer Application ML21154A0132021-05-28028 May 2021 NRR E-mail Capture - Extension of Comment Period for the Exelon Generation Company, LLC License Transfer Application ML21144A2132021-05-24024 May 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21144A1072021-05-17017 May 2021 Acceptance of Requested Licensing Action License Amendment Request to Adopt TSTF-582 ML21117A0442021-04-26026 April 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Proposed Fleet Alternative to Documentation Requirements for Pressure Retaining Bolting ML21084A2532021-03-24024 March 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Acceptance of License Transfer Application 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 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) ML21033A8552021-02-0202 February 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Fleet Alternative Request to Expand the Use ASME Codes Cases N-878 and N-880 ML21014A5112021-01-12012 January 2021 Acceptance of Requested Licensing Action License Amendment Request to Adopt TSTF-545 Revision 3 ML20352A2752020-12-17017 December 2020 Request for Additional Information Regarding FitzPatrick Primary Containment Isolation Valve Amendment Request ML20350B5582020-12-14014 December 2020 NRR E-mail Capture - Exelon Generation Company, LLC -Alternative Request for Documentation of Replacement of Pressure Retaining Bolting ML20294A0372020-10-19019 October 2020 Request for Additional Information Primary Containment Isolation Valve License Amendment Request ML20266G3032020-09-22022 September 2020 NRR E-mail Capture - Exelon Generation Company, LLC - Fleet Request to Use Paragraph IWA-5120 of the 2017 Edition of the ASME B&PV Code, Section XI ML20217L3882020-08-0404 August 2020 Acceptance of Requested Licensing Action License Amendment Request to Modify Primary Containment Isolation Valve TS (EPID L-2020-LLA-0145) (E-Mail) ML20204A9692020-07-22022 July 2020 Acceptance of Requested Licensing Action License Amendment Request to Adopt-TSTF-478 Revision 2 ML20122A2302020-05-0101 May 2020 NRR E-mail Capture - Exelon Generation Company, LLC - Acceptance of Fleet License Amendment Request to Adopt TSTF-566 ML20066L3682020-03-0505 March 2020 Request for Additional Information: License Amendment Request for Change to the Technical Specifications to Revise the Allowable Value for Reactor Water Cleanup (RWCU) System Primary Containment ML20056E7992020-02-25025 February 2020 Request for Additional Information for LAR on Primary Containment Hydrodynamic Loads ML20035D5762020-02-0303 February 2020 Request for Additional Information: License Amendment Request for Application of the Alternative Source Term for Calculating Loss-of-Coolant Accident Dose Consequence ML20027A0672020-01-24024 January 2020 Accepted for Review - Fitzpatrick License Amendment Request to Adopt TSTF-568, Revision 2, Revise Applicability of BWR/4 TS 3.6.2.5 and TS 3.6.3.2 ML20027A0112020-01-23023 January 2020 Request for Additional Information: License Amendment Request for Change to the Technical Specifications to Revise the Allowable Value for Reactor Water Cleanup (RWCU) System Primary Containment Isolation ML19353A9452019-12-19019 December 2019 Request for Additional Information: License Amendment Request for Application of the Alternative Source Term for Calculating Loss-of-Coolant Accident Dose Consequences ML19319C3582019-11-15015 November 2019 NRR E-mail Capture - Accepted for Review - FitzPatrick License Amendment Request to Revise the Allowable Value for Reactor Water Cleanup (RWCU) System Primary Containment Isolation ML19322A0062019-11-15015 November 2019 NRR E-mail Capture - Fermi 2: Request for Additional Information- Relief Request VRR-006, Proposed Alternative for Preservice Testing of Butterfly Valves ML19316A0162019-11-0404 November 2019 NRR E-mail Capture - Revised Staff Hours Estimate - FitzPatrick License Amendment Request on Proposed Changes to the Technical Specifications Related to Primary Containment Hydrodynamic Loads 2024-01-24
[Table view] Category:Request for Additional Information (RAI)
MONTHYEARML24024A1372024-01-24024 January 2024 NRR E-mail Capture - Final Snsb RAI Regarding FitzPatrick Amendment to Modify Safety Relief Valves Setpoint Lower Tolerance ML24018A0012024-01-18018 January 2024 Notification of Commercial Grade Dedication Inspection (05000333/2024010) and Request for Information ML23264A7992023-09-21021 September 2023 NRR E-mail Capture - Final RAI - Constellation Energy Generation, LLC Fleet Request License Amendment Request to Adopt TSTF-580, Revision 1 ML23164A0322023-06-13013 June 2023 Request for Information for a Biennial Problem Identification and Resolution Inspection; Inspection Report 05000333/2023010 ML22321A0102022-11-17017 November 2022 Notification of Conduct of a Fire Protection Team Inspection ML22124A2672022-05-0404 May 2022 Request for Additional Information for James A. FitzPatrick Nuclear Power Plant TSTF-505 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 ML22020A0642022-01-13013 January 2022 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding Proposed Fleet Alternative for Repair of Water Level Instrumentation Partial Penetration Nozzles ML21256A1902021-09-10010 September 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application ML21187A0522021-07-0606 July 2021 Fitz RAI Regarding FitzPatrick Amendment Request to Modify SR 3.5.1.6 ML21144A2132021-05-24024 May 2021 NRR E-mail Capture - Exelon Generation Company, LLC - Request for Additional Information Regarding License Transfer Application 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 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) ML21041A1932021-02-10010 February 2021 Request for Information for a Triennial Baseline Design-Basis Capability of Power-Operated Valves Under 10 CFR 50.55a Requirements Inspection; Inspection Report (05000333/2021011) ML20066L3682020-03-0505 March 2020 Request for Additional Information: License Amendment Request for Change to the Technical Specifications to Revise the Allowable Value for Reactor Water Cleanup (RWCU) System Primary Containment ML20056E7992020-02-25025 February 2020 Request for Additional Information for LAR on Primary Containment Hydrodynamic Loads ML20035D5762020-02-0303 February 2020 Request for Additional Information: License Amendment Request for Application of the Alternative Source Term for Calculating Loss-of-Coolant Accident Dose Consequence ML20027A0112020-01-23023 January 2020 Request for Additional Information: License Amendment Request for Change to the Technical Specifications to Revise the Allowable Value for Reactor Water Cleanup (RWCU) System Primary Containment Isolation ML19353A9452019-12-19019 December 2019 Request for Additional Information: License Amendment Request for Application of the Alternative Source Term for Calculating Loss-of-Coolant Accident Dose Consequences ML19322A0062019-11-15015 November 2019 NRR E-mail Capture - Fermi 2: Request for Additional Information- Relief Request VRR-006, Proposed Alternative for Preservice Testing of Butterfly Valves ML19280A0372019-10-0505 October 2019 NRR E-mail Capture - FitzPatrick Revised Request for Additional Information: Emergency Amendment to Extend Completion Time of Transformer to 21 Days ML19280A0392019-10-0505 October 2019 NRR E-mail Capture - FitzPatrick Additional Request for Additional Information: Emergency Amendment to Extend Completion Time of Transformer to 21 Days ML19280A0362019-10-0404 October 2019 NRR E-mail Capture - FitzPatrick Request for Additional Information: Emergency Amendment to Extend Completion Time of Transformer to 21 Days ML19099A2672019-04-16016 April 2019 Use of Encryption Software for Electronic Transmission of Safeguards Information ML19099A2852019-03-12012 March 2019 Draft RAI: FitzPatrick Request to Update Electronic Transmission of Safeguards Information 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 ML18353B5112018-12-20020 December 2018 Request for Additional Information Relief Request No. 14R-22, for Fourth 10-Year Inservice Inspection Interval ML18164A3652018-06-13013 June 2018 NRR E-mail Capture - FitzPatrick RAIs - LAR to Adopt EAL Schemes Pursuant to NEI 99-01, Revision 6 ML18094B0922018-04-0505 April 2018 Enclosurequest for Additional Information (Letter to B. S. Ford RAI Regarding Entergy Operations, Inc.'S Decommissioning Funding Plan Update for ISFSI Docket Nos.: 72-43, 72-51, 72-1044, 72-07, 72-12, and 72-59) ML18085A6922018-03-26026 March 2018 NRR E-mail Capture - James A. FitzPatrick Nuclear Power Plant, Unit 1 - Request for Information to Adopt Traveler TSTF-542, RPV Water Inventory Control ML18085A6912018-03-23023 March 2018 NRR E-mail Capture - Draft Request for Information (RAI) for JAFNPP Traveler TSTF-542, RPV Water Inventory Control ML18029A8422018-01-29029 January 2018 NRR E-mail Capture - Request for Additional Information: FitzPatrick License Amendment Request to Revise Technical Specifications to Address Secondary Containment Personnel Access Door Openings ML17335A1002017-11-29029 November 2017 NRR E-mail Capture - FitzPatrick - Request for Additional Information - Relief Request 15R-02 Regarding the Use of BWRVIP Guidelines Instead of ASME Code (CAC: MG0116; EPID: L-2017-LLR-0083) ML17285B1962017-10-27027 October 2017 Request for Additional Information Regarding Generic Letter 2016-01, Monitoring of Neutron-Absorbing Materials in Spent Fuel Pools. ML17228A0052017-08-15015 August 2017 NRR E-mail Capture - Request for Additional Information - St. Lucie Relief Request #3 - Icw 30 Pipe Defect Removal (MF9288) ML16299A0192016-11-0202 November 2016 Request for Additional Information Regarding Direct License Transfer from Entergy to Exelon ML16287A6502016-10-21021 October 2016 Request for Additional Information Regarding: License Amendment Request to Revise Technical Specifications Section 5.5.6 for Extension of Type a and Type C Leak Rate Test Frequencies ML16280A5732016-10-18018 October 2016 Request for Additional Information Relief Request for Proposed Alternative for the Implementation of BWRVIP-05 ML16117A1862016-04-26026 April 2016 Entergy Fleet Relief Request EN-ISI-15-1 Request for Additional Information - 04/26/16 Email from R. Guzman to G. Davant (CAC Nos. MF7133-MF7136) ML16013A0642016-01-13013 January 2016 NRR E-mail Capture - Request for Additional Information Entergy CNRO-2015-00023 - Revision to Entergy Quality Assurance Program Manual (Fleet Submittal CAC Nos. MF7086-MF7097) ML15341A1662015-12-0707 December 2015 NRR E-mail Capture - Entergy Fleet RR-EN-15-1, Request for Additional Information (CACs MF6341-MF6349) ML14240A6122014-09-24024 September 2014 Request for Additional Information Regarding Proposed Changes to the Technical Specification Low Pressure Safety Limit ML14184A6152014-07-25025 July 2014 Request for Additional Information Regarding Proposed Safety Limit Minimum Critical Power Ratio License Amendment ML14195A0972014-07-16016 July 2014 Request for Additional Information Associated with Near-Term Task Force Recommendation 2.1, Seismic Hazard and Screening Report ML14164A5382014-07-0202 July 2014 Request for Additional Information Regarding 10 CFR 50.55A Alternate Request PRR-05 (Tac No. MF3680) ML14093A6772014-05-0101 May 2014 SONGS - Request for Additional Information Concerning Pre-Emption Authority ML13338A6452013-12-12012 December 2013 Interim Staff Evaluation and Request for Additional Information, Regarding the Overall Integrated Plan for Implementation of Order EA-12-051, Reliable Spent Fuel Pool Instrumentation ML13304B4182013-11-0101 November 2013 Request for Additional Information Associated with Near-Term Task Force Recommendation 2.3, Seismic Walkdowns ML13226A5342013-08-29029 August 2013 Request for Additional Information Regarding Overall Integrated Plan for Reliable Spent Fuel Pool Instrumentation (Order EA-12-051) ML13179A4622013-07-0505 July 2013 Entergy Nuclear Operations, Inc., Decommissioning Funding Status Report Request for Additional Information Regarding the Decommissioning Funding Status Report 2024-01-24
[Table view] |
Text
From: Vaidya, Bhalchandra Sent: Monday, February 27, 2012 7:52 AM To: 'Dorman, Eugene'; 'Pechacek, Joseph'; 'O'Farrill, Jorge' Cc: Wilson, George; Goel, Vijay; Andersen, James; Basturescu, Sergiu
Subject:
Fitz, LAR, ME6877, Request for Additional Information (RAIs) to Licensee
SUBJECT:
James A. FitzPatrick Nuclear Power Plant (JAFNPP) - ACCEPTANCE OF REQUESTED LICENSING ACTION RE: License Amendment Request to change the Current licensing Basis, Authorizing Use of On Load Tap Changers for Reserve Station Service Transformer (TAC NO. ME6877)
By letter dated August 16, 2011, Energy Nuclear Operations, Inc., the licensee, submitted the License Amendment Request (LAR) to change the Current licensing Basis, Authorizing Use of On Load Tap Changers for Reserve Station Service Transformer.
The NRC staff is reviewing the application. However, the NRC staff requires the following additional information to complete its review of the license amendment request: REQUEST FOR ADDITIONAL INFORMATION JAMES A. FITZPATRICK NUCLEAR POWER PLANT TAC No. ME6877
- 1. Provide revised Figures 8.2-1 and 8.5-1 of Updated Final safety Analysis Report and any others, in which the new ratings of RSSTs are shown.
- 2. In the LAR, Attachment 1, Page Nos. 5 and 6, the following is stated: "The normal power source for the primary and backup digital OLTC Beckwith microcontrollers is from a potential transformer that is located between the RSST secondary windings and the 4kV [kilo-Volt] RSST bus supply breakers."
Provide a copy of the diagram which shows the connection of the potential transformer that is located between the RSST secondary windings and the 4kV RSST bus supply breakers. Also, identify which 4kV buses are monitored and controlled by the OLTC, and which 4kV buses are shown in Figures 1 and 2 of the LAR.
- 3. In the LAR, Attachment 1, Page No. 6, the following is stated: "The primary microcontroller is set with a time delay during operation; this setting is needed to inhibit the tap changer from unnecessary operations on temporary voltage excursions."
Provide the above time delay setting associated with the primary microcontroller, and confirm whether the above time delay is bypassed in case of a design basis accident signal.
- 4. In the LAR, Attachment 1, Page Nos. 6 and 7, the following is stated: "By providing automatic adjustment of the voltage to the auxiliary power system from the offsite 115kV system, the RSST OLTCs will compensate for a wide range of 115kV (110kV - 121kV) system operating voltages." "To prevent unnecessary disconnection of the safety-related buses from offsite power, analyses have determined the minimum permissible pre LOCA [loss-of-coolant accident] contingency voltage that can occur following generator trip without actuating the DVR [degraded voltage relay] scheme."
Provide the basis for considering the above voltage range for the 115kV system. What is the current minimum permissible pre LOCA 115kV contingency voltage that can occur following a generator trip without actuating the DVR scheme, prior to the proposed amendment?
- 5. In order to find the voltage improvements due to the OLTC, please provide the voltage profiles for the 4kV major load buses in the following scenarios:
(a) Accident load sequencing with the 115kV switchyard voltage at the minimum voltage level, without OLTC (prior to proposed amendment).
(b) Same as (a) but with new RSST and OLTC in normal operation.
(c) Non-Accident load sequencing due to spurious sudden trip of the main generator, with the 115kV switchyard voltage at the minimum voltage level, loads fast transfer to RSST (prior to proposed amendment).
(d) Same as (c) but with new RSST and OLTC in normal operation.
- 6. Provide a discussion of the power and control voltage sources for operation of the OLTC, and primary and backup microcontrollers. Also, confirm the location of primary and backup microcontrollers, and the locations where an Operator can locally and remotely control the OLTCs, if needed.
- 7. In the LAR, Attachment 1, Page No. 9, the following is stated: "The 4400V used in Figure 1 is 110% of the voltage rating of the safety-related motors fed from the bus, consistent with ANSI/NEMA Standard MG-1-2009, Revision 1-2010, "Motors and Generators."
The staff finds that in Figure 1, the nominal voltage shown in Figure 1 is 4441.5V instead of 4400V. Please provide an explanation for this discrepancy.
Please contact me immediately, to schedule a tele-conference, preferably, today -or-tomorrow, with your staff and the NRC staff to ensure that the licensee clearly understands the NRC staff concerns.
The licensee submission that provides complete responses to the RAIs, is needed by March 27, 2012, in order to support the timely completion of this licensing action.
Please contact me, if you have any questions.
Bhalchandra K. Vaidya Licensing Project Manager NRC/NRR/DORL/LPL1-1 (301)-415-3308 (O) bhalchandra.vaidya@nrc.gov