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| {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 12, 2016 Mr. Brian D. Boles Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 N. State Route 2 Oak Harbor, OH 43449-9760 | | {{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 12, 2016 Mr. Brian D. Boles Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 N. State Route 2 Oak Harbor, OH 43449-9760 |
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| ==SUBJECT:== | | ==SUBJECT:== |
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| ==SUMMARY== | | ==SUMMARY== |
| OF APRIL 12, 2016, TELECONFERENCE REGARDING STEAM GENERATOR TUBE INSERVICE INSPECTION (CAC NO. MF7398) | | OF APRIL 12, 2016, TELECONFERENCE REGARDING STEAM GENERATOR TUBE INSERVICE INSPECTION (CAC NO. MF7398) |
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| ==Dear Mr. Boles:== | | ==Dear Mr. Boles:== |
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| On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a teleconference with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the inservice inspections of steam generators at Davis-Besse Nuclear Power Station, Unit No. 1. A summary of the teleconference and a list of participants are enclosed. | | On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a teleconference with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the inservice inspections of steam generators at Davis-Besse Nuclear Power Station, Unit No. 1. A summary of the teleconference and a list of participants are enclosed. |
| By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the NRC staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182. | | By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the NRC staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182. |
| If you have any questions, please contact me at (301) 415-1380. | | If you have any questions, please contact me at (301) 415-1380. |
| Docket No. 50-346 cc: Distribution via Listserv | | Sincerely, fl;l ;JVVZ/ |
| | Blake Purnell, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-346 cc: Distribution via Listserv |
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| ==Enclosures:== | | ==Enclosures:== |
| : 1. Summary of Teleconference | | : 1. Summary of Teleconference |
| : 2. List of Participants Sincerely, fl;l ;JVVZ/ Blake Purnell, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation | | : 2. List of Participants |
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| ==SUMMARY== | | ==SUMMARY== |
| OF APRIL 12, 2016, TELECONFERENCE SPRING 2016 STEAM GENERATOR INSPECTIONS DAVIS-BESSE NUCLAER POWER STATION, UNIT NO. 1 DOCKET NO. 50-346 On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a conference call with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the ongoing steam generator (SG) inspection at Davis-Besse Nuclear Power Station (Davis-Besse), Unit No. 1. By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182, and this information is not repeated here. Definitions of acronyms used by the licensee in its handouts are provided at the end of this summary. Background Davis-Besse has two once-through SGs designed by Babcock and Wilcox. These replacement SGs were installed in 2014. The tubes were hydraulically expanded for part of the length of the tubesheet and are supported by sixteen carbon steel tube support plates. The licensee stated that a number of adjustments were made in the design of their new SGs to mitigate tube-to-tube wear degradation. | | OF APRIL 12, 2016, TELECONFERENCE SPRING 2016 STEAM GENERATOR INSPECTIONS DAVIS-BESSE NUCLAER POWER STATION, UNIT NO. 1 DOCKET NO. 50-346 On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a conference call with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the ongoing steam generator (SG) inspection at Davis-Besse Nuclear Power Station (Davis-Besse), Unit No. 1. By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182, and this information is not repeated here. Definitions of acronyms used by the licensee in its handouts are provided at the end of this summary. |
| For example, the length of the tube-to-tubesheet expansion was adjusted to control the amount of preloading on the tubes. The licensee stated that the integral orifice plate is in the downcomer region, and it is adjusted to set the water column height in the feedwater downcomer region of the SG. The licensee stated that tube support plate (TSP) 15S is below the auxiliary feedwater nozzle and has drilled holes in the periphery through which the tubes pass. The remaining portion of TSP 15S and the other TSPs in the SG have trefoil broached holes. The trefoil holes of the even numbered TSPs are offset from centerline to minimize tube wear at the TSP elevations. | | |
| Summary of Inspection Results At the time of the teleconference, SG tube inspections were ongoing and the information provided by the licensee did not represent final inspection results. The information provided by the licensee was for the point when the licensee had completed 65 percent of the inspections for SG 2A and 47 percent of the inspections for SG 1 B. The licensee had identified 358 wear-like indications for SG 2A and 22 wear-like indications for SG 1 B. The licensee believes the higher number of indications found in SG 2A is due to a different length of secondary side piping that runs into SG 2A. The different length is due to the physical configuration of the plant. The licensee stated it had seen similar differences with its previous SGs. The licensee had identified 142 locations in SG 2A and 20 locations in SG 1 B needing special interest exams. No tube-to-tube wear indications had been detected. | | ===Background=== |
| The licensee stated that it Enclosure 1 had identified 182 wear indications at TSP 16S which were distributed amongst tubes in the periphery region. The periphery region has the highest crossflow velocities. | | Davis-Besse has two once-through SGs designed by Babcock and Wilcox. These replacement SGs were installed in 2014. The tubes were hydraulically expanded for part of the length of the tubesheet and are supported by sixteen carbon steel tube support plates. The licensee stated that a number of adjustments were made in the design of their new SGs to mitigate tube-to-tube wear degradation. For example, the length of the tube-to-tubesheet expansion was adjusted to control the amount of preloading on the tubes. |
| The licensee performed as-found visual inspections of the SG channel head, but the inspections were incomplete at the time of the call. The licensee stated it would notify NRC staff if any abnormalities are found. The NRC staff did not identify any issues during the call that required follow-up action. Acronyms Acronyms used in the licensee's document are defined below: * % TW -Percent Through-Wall | | The licensee stated that the integral orifice plate is in the downcomer region, and it is adjusted to set the water column height in the feedwater downcomer region of the SG. The licensee stated that tube support plate (TSP) 15S is below the auxiliary feedwater nozzle and has drilled holes in the periphery through which the tubes pass. The remaining portion of TSP 15S and the other TSPs in the SG have trefoil broached holes. The trefoil holes of the even numbered TSPs are offset from centerline to minimize tube wear at the TSP elevations. |
| * ADI -Absolute Drift Indication | | Summary of Inspection Results At the time of the teleconference, SG tube inspections were ongoing and the information provided by the licensee did not represent final inspection results. The information provided by the licensee was for the point when the licensee had completed 65 percent of the inspections for SG 2A and 47 percent of the inspections for SG 1B. |
| * BLG -Bulge | | The licensee had identified 358 wear-like indications for SG 2A and 22 wear-like indications for SG 1B. The licensee believes the higher number of indications found in SG 2A is due to a different length of secondary side piping that runs into SG 2A. The different length is due to the physical configuration of the plant. The licensee stated it had seen similar differences with its previous SGs. |
| * CAL -Calibration | | The licensee had identified 142 locations in SG 2A and 20 locations in SG 1B needing special interest exams. No tube-to-tube wear indications had been detected. The licensee stated that it Enclosure 1 |
| * CHN -Channel | | |
| * CMOA -Condition Monitoring Operational Assessment | | had identified 182 wear indications at TSP 16S which were distributed amongst tubes in the periphery region. The periphery region has the highest crossflow velocities. |
| * COL -Column | | The licensee performed as-found visual inspections of the SG channel head, but the inspections were incomplete at the time of the call. The licensee stated it would notify NRC staff if any abnormalities are found. |
| * DB -Davis-Besse | | The NRC staff did not identify any issues during the call that required follow-up action. |
| * DOI -Distorted Dent/Ding Indication | | Acronyms Acronyms used in the licensee's document are defined below: |
| * DEG -Degree | | * % TW - Percent Through-Wall |
| * ONG-Ding | | * ADI - Absolute Drift Indication |
| | * BLG - Bulge |
| | * CAL - Calibration |
| | * CHN - Channel |
| | * CMOA - Condition Monitoring Operational Assessment |
| | * COL - Column |
| | * DB - Davis-Besse |
| | * DOI - Distorted Dent/Ding Indication |
| | * DEG - Degree |
| | * ONG- Ding |
| * ONT-Dent | | * ONT-Dent |
| * OSI -Distorted Support Indication | | * OSI - Distorted Support Indication |
| * DTI -Distorted Tubesheet Indication | | * DTI - Distorted Tubesheet Indication |
| * EXT -Extent | | * EXT - Extent |
| * IDC -Inside Diameter Chatter | | * IDC - Inside Diameter Chatter |
| * LPI -Loose Part Indication | | * LPI - Loose Part Indication |
| * L TE -Lower Tube End | | * LTE - Lower Tube End |
| * L TS -Lower Tubesheet | | * LTS - Lower Tubesheet |
| * MRPC -Motorized Rotating Pancake Coil | | * MRPC - Motorized Rotating Pancake Coil |
| * NQI -Non-Quantifiable Indication | | * NQI - Non-Quantifiable Indication |
| * OA -Operational Assessment | | * OA - Operational Assessment |
| * OBS -Obstruction | | * OBS - Obstruction |
| * OD -Outside Diameter | | * OD - Outside Diameter |
| * PLP -Possible Loose Part | | * PLP - Possible Loose Part |
| * PVN -Permeability Variation | | * PVN - Permeability Variation |
| * SG -Steam Generator | | * SG - Steam Generator |
| * SVI -Single Volumetric Indication | | * SVI - Single Volumetric Indication |
| * Tech Spec -Technical Specification | | * Tech Spec - Technical Specification |
| * TSP -Tube Support Plate | | * TSP - Tube Support Plate |
| * TWO -Through-Wall Depth | | * TWO - Through-Wall Depth |
| * UTE -Upper Tube End | | * UTE - Upper Tube End |
| * UTS -Upper Tubesheet | | * UTS - Upper Tubesheet |
| * V-Volts | | * V-Volts |
| * VOL -Volumetric | | * VOL - Volumetric |
| * WAR-Wear LIST OF PARTICIPANTS APRIL 12, 2016, TELECONFERENCE WITH FIRSTENERGY NUCLEAR OPERATING COMPANY (FENOC) Name Affiliation Blake Purnell NRC Jennifer Hauser NRC Alan Huynh NRC Andrew Johnson NRC Tom Bilk NRC Thomas Briley NRC Phil Lashley FE NOC William Boudreaux FE NOC Steve Slosnerick FE NOC Victor Newman FE NOC Luke Twarek FE NOC Kevin Zellers FE NOC Alex Cullu FE NOC Kendall Johnson FE NOC Enclosure 2 | | * WAR-Wear |
| Mr. Brian D. Boles Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 N. State Route 2 Oak Harbor, OH 43449-9760 May 12, 2016
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| ==SUBJECT:==
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| DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1 -
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| ==SUMMARY==
| | LIST OF PARTICIPANTS APRIL 12, 2016, TELECONFERENCE WITH FIRSTENERGY NUCLEAR OPERATING COMPANY (FENOC) |
| OF APRIL 12, 2016, TELECONFERENCE REGARDING STEAM GENERATOR TUBE INSERVICE INSPECTION (CAC NO. MF7398) | | Name Affiliation Blake Purnell NRC Jennifer Hauser NRC Alan Huynh NRC Andrew Johnson NRC Tom Bilk NRC Thomas Briley NRC Phil Lashley FE NOC William Boudreaux FE NOC Steve Slosnerick FE NOC Victor Newman FE NOC Luke Twarek FE NOC Kevin Zellers FE NOC Alex Cullu FE NOC Kendall Johnson FE NOC Enclosure 2 |
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| ==Dear Mr. Boles:==
| | ML16117A182. |
| On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a teleconference with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the inservice inspections of steam generators at Davis-Besse Nuclear Power Station, Unit No. 1. A summary of the teleconference and a list of participants are enclosed.
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| By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the NRC staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182.
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| If you have any questions, please contact me at (301) 415-1380. | | If you have any questions, please contact me at (301) 415-1380. |
| Docket No. 50-346 cc: Distribution via Listserv | | Sincerely, IRA/ |
| | Blake Purnell, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-346 cc: Distribution via Listserv |
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| ==Enclosures:== | | ==Enclosures:== |
| : 1. Summary of Teleconference | | : 1. Summary of Teleconference |
| : 2. List of Participants DISTRIBUTION: | | : 2. List of Participants DISTRIBUTION: |
| PUBLIC LPL3-2 r/f RidsNrrDorlLpl3-2 Resource RidsNrrLASRohrer Resource RidsNrrPMDavisBesse Resource RidsRgn3MailCenter Resource ADAMS A ccession N o.M L1613 A750 0 OFFICE DORL/LPL3-2/PM DORL/LPL3-2/LA NAME BPurnell SRohrer DATE 5/11/16 5/10/16 Sincerely, IRA/ Blake Purnell, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation RidsNrrDeEsgb Resource AHuynh, NRR AJohnson, NRR KKarwoski, NRR GKulesa, NRR DHills, Riii *b 1y memo DE/ESGB/BC DORL/LPL3-2/BC (A) GKulesa* GE Miller 4/27/16 5/12/16 DORL/LPL3-2/PM BPurnell 5/12/16 OFFICIAL RECORD COPY}} | | PUBLIC RidsNrrDeEsgb Resource LPL3-2 r/f AHuynh, NRR RidsNrrDorlLpl3-2 Resource AJohnson, NRR RidsNrrLASRohrer Resource KKarwoski, NRR RidsNrrPMDavisBesse Resource GKulesa, NRR RidsRgn3MailCenter Resource DHills, Riii ADAMS A ccession N o.M L1613 0 A750 *b1y memo OFFICE DORL/LPL3-2/PM DORL/LPL3-2/LA DE/ESGB/BC DORL/LPL3-2/BC (A) DORL/LPL3-2/PM NAME BPurnell SRohrer GKulesa* GE Miller BPurnell DATE 5/11/16 5/10/16 4/27/16 5/12/16 5/12/16}} |
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MONTHYEARML16057A8652016-02-29029 February 2016 Upcoming Steam Generator Tube Inservice Inspection Project stage: Other ML16117A1822016-04-22022 April 2016 Industry Slides for the Spring 2016 Conference Call Regarding the Steam Generator Tube Inservice Inspections Project stage: Other ML16130A7502016-05-12012 May 2016 Summary of April 12, 2016, Teleconference Regarding Steam Generator Tube Inservice Inspection Project stage: Meeting 2016-04-22
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Category:Conference/Symposium/Workshop Paper
MONTHYEARML16130A7502016-05-12012 May 2016 Summary of April 12, 2016, Teleconference Regarding Steam Generator Tube Inservice Inspection ML13051A0682013-03-26026 March 2013 January 16, 2013 Summary of Telephone Conference Call Held Between U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company ML12052A1792012-05-15015 May 2012 July 19, 2011, Summary of Telephone Conference Call Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power Station ML12018A1462012-02-0909 February 2012 June 16, 2011, Summary of Telephone Conference Call Held Between the NRC and Firstenergy Nuclear Operating Company, Concerning RAI Pertaining to the Davis-Besse, License Renewal Application ML11364A0172012-01-19019 January 2012 Summary of Telephone Conference Call Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power Station, LRA ML0804306122008-03-0505 March 2008 Summary of Conference Telephone Call Regarding Their 2008 Steam Generator Tube Inspections ML0618002632006-09-18018 September 2006 Crack Growth Rates in a PWR Environment of Nickel-Base Alloys from Davis-Besse and V. C. Summer Plants ML0526600162005-08-16016 August 2005 Mantg Conference, 8/16/05 - Plenary - Keynote Speech by Samuel J. Collins, Regional Administrator, Region I, the Changing Roles of the Operators and Trainers 2016-05-12
[Table view] Category:Letter
MONTHYEARIR 05000346/20243012024-02-0202 February 2024 NRC Initial License Examination Report 05000346/2024301 IR 05000346/20230042024-01-31031 January 2024 Integrated Inspection Report 05000346/2023004 ML23313A1352024-01-17017 January 2024 Authorization and Safety Evaluation for Alternative Request RP 5 for the Fifth 10 Year Interval Inservice Testing Program ML23353A1192023-12-19019 December 2023 Operator Licensing Examination Approval Davis Besse Nuclear Power Station, January 2024 L-23-260, Corrections to the 2022 Combined Annual Radiological Environmental Operating Report and Radioactive Effluent Release Report for the Davis-Besse Nuclear Power Station2023-12-0707 December 2023 Corrections to the 2022 Combined Annual Radiological Environmental Operating Report and Radioactive Effluent Release Report for the Davis-Besse Nuclear Power Station L-23-243, Independent Spent Fuel Storage Installation - Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation2023-12-0606 December 2023 Independent Spent Fuel Storage Installation - Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation ML23338A3172023-12-0606 December 2023 Notification of NRC Baseline Inspection and Request for Information; Inspection Report 05000346/2024001 IR 05000346/20234032023-11-0202 November 2023 Security Baseline Inspection Report 05000346/2023403 ML23293A0612023-11-0101 November 2023 Letter to the Honorable Marcy Kaptur, from Chair Hanson Responds to Letter Regarding Follow Up on Concerns Raised by Union Representatives During the June Visit to the Davis-Besse Nuclear Power Plant L-23-215, Changes to Emergency Plan2023-10-19019 October 2023 Changes to Emergency Plan ML23237B4222023-09-28028 September 2023 Energy Harbor Nuclear Corp. - Vistra Operations Company LLC - Letter Regarding Order Approving Transfer of Licenses and Draft Conforming License Amendments ML23269A1242023-09-27027 September 2023 Request for Withholding Information from Public Disclosure IR 05000346/20234012023-09-13013 September 2023 Security Baseline Inspection Report 05000346/2023401 (Public) L-23-205, Supplement to Application for Order Consenting to Transfer of Licenses and Conforming License Amendments2023-09-12012 September 2023 Supplement to Application for Order Consenting to Transfer of Licenses and Conforming License Amendments L-23-172, Quality Assurance Program Manual2023-08-31031 August 2023 Quality Assurance Program Manual IR 05000346/20230112023-08-30030 August 2023 Biennial Problem Identification and Resolution Inspection Report 05000346/2023011 ML23129A1722023-08-25025 August 2023 Request for Withholding Information from Public Disclosure for Beaver Valley Power Station, Units 1 and 2; Davis Besse Nuclear Power Station, Unit 1; and Perry Nuclear Power Plant, Unit 1 IR 05000346/20230052023-08-24024 August 2023 Updated Inspection Plan for Davis-Besse Nuclear Power Station (Report 05000346/2023005) L-23-188, Energy Harbor Nuclear Corp., Supplement to Application for Order Consenting to Transfer of Licenses and Conforming License Amendments2023-08-0707 August 2023 Energy Harbor Nuclear Corp., Supplement to Application for Order Consenting to Transfer of Licenses and Conforming License Amendments IR 05000346/20230502023-08-0303 August 2023 Special Inspection Report 05000346/2023050 IR 05000346/20230902023-08-0101 August 2023 EA-23-002 Davis-Besse Nuclear Power Station - NRC Inspection Report No. 05000346/2023090 (Public) ML23178A2742023-08-0101 August 2023 Letter to the Honorable Marcy Kaptur from Chair Hanson Responds to Letter Regarding the License Transfer Application for the Davis-Besse Nuclear Power Station L-23-175, Submittal of Fifth Ten Year Inservice Testing Program2023-08-0101 August 2023 Submittal of Fifth Ten Year Inservice Testing Program IR 05000346/20230022023-07-27027 July 2023 Integrated Inspection Report 05000346/2023002 ML23193A7842023-07-13013 July 2023 Information Request for the Cyber-Security Baseline Inspection, Notification to Perform Inspection 05000346/2023402 ML23178A2422023-06-28028 June 2023 Reassignment of the U.S. Nuclear Regulatory Commission Branch Chief in the Division of Operating Reactor Licensing for Plant Licensing Branch III ML23160A2342023-06-13013 June 2023 Confirmation of Initial License Examination L-23-034, 2022 Annual 10 CFR 50.46 Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models2023-06-13013 June 2023 2022 Annual 10 CFR 50.46 Report of Changes to or Errors in Emergency Core Cooling System Evaluation Models IR 05000346/20235012023-06-13013 June 2023 Emergency Preparedness Biennial Exercise Inspection Report 05000346/2023501 L-23-135, Response to Regulatory Issue Summary 2023-01, Preparation and Scheduling of Operator Licensing Examinations2023-05-31031 May 2023 Response to Regulatory Issue Summary 2023-01, Preparation and Scheduling of Operator Licensing Examinations L-23-065, Annual Financial Report2023-05-22022 May 2023 Annual Financial Report ML23124A1742023-05-17017 May 2023 Energy Harbor Fleet Vistra License Transfer - Request for Withholding Information from Public Disclosure for Commance Peak Plant, Units 1 & 2, Beaver Valley Station, Units 1 & 2, Davis Besse Station, Unit 1 and Perry Plant, Unit 1 ML23129A0112023-05-16016 May 2023 Notice of Consideration of Approval of Indirect and Direct License Transfer for Comanche Peak Plant, Units 1 & 2, Beaver Valley Station, Units 1 & 2, Davis Besse Station, Unit 1 and Perry Plant, Unit 1 (EPID L-2023-LLM-0000) (Letter) ML23131A2732023-05-15015 May 2023 Notification of NRC Supplemental Inspection 95001 and Request for Information L-23-101, Combined Annual Radiological Environmental Operating Report and Radioactive Effluent Release Report for the Davis-Besse Nuclear Power Station - 20222023-05-12012 May 2023 Combined Annual Radiological Environmental Operating Report and Radioactive Effluent Release Report for the Davis-Besse Nuclear Power Station - 2022 L-23-131, Readiness for Resumption of NRC Supplemental Inspection2023-05-12012 May 2023 Readiness for Resumption of NRC Supplemental Inspection IR 05000346/20230102023-05-0909 May 2023 Commercial Grade Dedication Inspection Report 05000346/2023010 ML23123A1272023-05-0303 May 2023 Information Request to Support Upcoming Problem Identification and Resolution Inspection at Davis-Besse Nuclear Power Station IR 05000346/20230012023-05-0101 May 2023 Integrated Inspection Report 05000346/2023001 and 07200014/2022001 L-23-092, Occupational Radiation Exposure Report for Year 20222023-04-27027 April 2023 Occupational Radiation Exposure Report for Year 2022 ML23111A1972023-04-26026 April 2023 Information Meeting with Question and Answer Session to Discuss NRC 2022 End-of-Cycle Plant Performance Assessment of Davis-Besse Nuclear Power Plant Station ML23114A1062023-04-25025 April 2023 Information Request to Support the NRC Annual Baseline Emergency Action Level and Emergency Plan Changes Inspection CP-202300181, ISFSI, Beaver Valley, Units 1 and 2, ISFSI, Davis-Besse, Unit 1, ISFSI, Perry, Unit 1, ISFSI, Corrected Affidavit for Application for Order Consenting to Transfer of Licenses and Conforming License Amendments2023-04-20020 April 2023 ISFSI, Beaver Valley, Units 1 and 2, ISFSI, Davis-Besse, Unit 1, ISFSI, Perry, Unit 1, ISFSI, Corrected Affidavit for Application for Order Consenting to Transfer of Licenses and Conforming License Amendments CP-202300157, ISFSI, Beaver Valley, Units 1 and 2, ISFSI, Davis-Besse, Unit 1, ISFSI, Perry, Unit 1, and ISFSI, Application for Order Consenting to Transfer of Licenses and Conforming License Amendments2023-04-14014 April 2023 ISFSI, Beaver Valley, Units 1 and 2, ISFSI, Davis-Besse, Unit 1, ISFSI, Perry, Unit 1, and ISFSI, Application for Order Consenting to Transfer of Licenses and Conforming License Amendments ML23096A1382023-04-11011 April 2023 Review of the Spring 2022 Steam Generator Tube Inspection Report L-23-061, Submittal of the Decommissioning Funding Status Reports2023-03-31031 March 2023 Submittal of the Decommissioning Funding Status Reports L-23-037, and Perry Nuclear Power Plant - Independent Spent Fuel Storage Installation Changes, Tests, and Experiments2023-03-29029 March 2023 and Perry Nuclear Power Plant - Independent Spent Fuel Storage Installation Changes, Tests, and Experiments L-23-066, Annual Notification of Property Insurance Coverage2023-03-21021 March 2023 Annual Notification of Property Insurance Coverage ML23066A2892023-03-14014 March 2023 Request for Threshold Determination Under 10 CFR 50.80 and 10 CFR 72.50 for an Amendment to the Voting Agreement ML23066A2592023-03-14014 March 2023 Request for Withholding Information from Public Disclosure for Beaver Valley Power Station, Units 1 and 2, Davis Besse Nuclear Power Station, Unit 1, and Perry Nuclear Power Plant, Unit 1 2024-02-02
[Table view] Category:Meeting Summary
MONTHYEARML23152A2552023-06-0505 June 2023 Summary of the May 17, 2023, Public Outreach to Discuss the NRC 2022 End-of-Cycle Plant Performance Assessment of Davis-Besse Nuclear Power Station ML22178A2312022-06-28028 June 2022 Summary of the June 22, 2022, Public Outreach to Discuss the NRC 2021 End-Of-Cycle Plant Performance Assessment of Davis Besse Nuclear Power Station ML22088A1972022-03-30030 March 2022 Summary of March 11, 2022, Call Regarding the Spring 2022 Steam Generator Tube Inspections ML22084A1022022-03-27027 March 2022 Reissue Summary of the February 1, 2022, Regulatory Conference Between Energy Harbor, Davis-Besse Nuclear Power Station and the Nuclear Regulatory Commission ML22077A8062022-03-23023 March 2022 Summary of the February 1, 2022, Regulatory Conference Between Energy Harbor, Davis-Besse Nuclear Power Station and the Nuclear Regulatory Commission ML21314A5362021-11-18018 November 2021 Summary of November 8, 2021, Meeting with Energy Harbor Nuclear Corp. Regarding Its Proposed Alternate for Examination of Steam Generator Welds at ML21180A4632021-06-29029 June 2021 Summary of the June 22, 2021, Public Outreach to Discuss the NRC 2020 End-of-Cycle Plant Performance Assessment of Davis-Besse Nuclear Power Station, and Perry Nuclear Power Plant ML20240A2942020-08-27027 August 2020 July 23, 2020 Summary of Public Webinar to Discuss the Nrc 2019 End-Of-Cycle Plant Performance Assessment of the Davis-Besse Nuclear Power Station and the Perry Nuclear Power Plant ML19249C7112019-09-0404 September 2019 Summary of the July 18, 2019 Public Outreach/Open House to Discuss the NRC 2018 End-Of-Cycle Plant Performance Assessment of the Davis-Besse Nuclear Power Station ML18313A1982018-11-14014 November 2018 Summary of Meeting with Firstenergy Nuclear Operating Company Regarding Planned Submittal of Post-Shutdown Emergency Plan for Davis-Besse Nuclear Power Station ML18192A6522018-07-10010 July 2018 Summary of Public Meeting to Discuss the 2017 End-of-Cycle Plant Performance Assessment of Davis-Besse Nuclear Power Station ML17258A1462017-09-20020 September 2017 Summary of September 12, 2017, Meeting with Firstenergy Nuclear Operating Company Regarding Its Licensing Amendment Request to Adopt National Fire Protection Association Standard 805 at Davis-Besse Nuclear Power Station, Unit No. 1 ML17229B1362017-08-16016 August 2017 Summary of July 19, 2017, Open House to Discuss the 2016 End-of-Cycle Plant Performance Assessment of Davis-Besse Nuclear Power Station ML17087A1882017-03-28028 March 2017 Summary of Closed Meeting with Firstenergy Nuclear Operating Company Regarding Changes to the Davis-Besse Nuclear Power Station, Unit No. 1, Security Plan ML16197A0522016-07-14014 July 2016 Summary of June 21, 2016, Public Meeting with Firstenergy Nuclear Operating Company to Discuss the 2015 End-of-Cycle Plant Performance Assessment of Davis-Besse Nuclear Station ML16130A7502016-05-12012 May 2016 Summary of April 12, 2016, Teleconference Regarding Steam Generator Tube Inservice Inspection ML14177A5782016-02-22022 February 2016 November 13, 2013, Summary of Meeting with Firstenergy Nuclear Operating Company to Discuss Delay in Submittal of Fire Risk Reduction Amendment Request ML16006A3512016-01-20020 January 2016 December 17,2015 Summary of Meeting with Firstenergy Nuclear Operating Company on Its License Amendment Request to Revise the Emergency Diesel Generator Surveillance Requirements at Davis-Besse Nuclear Power Station, Unit 1 ML16007A3962016-01-12012 January 2016 Summary of January 5, 2016, Meeting with Firstenergy Nuclear Operating Company on Its Planned License Amendment Request to Revise the Emergency Action Level Scheme at Davis-Besse Nuclear Power Station, Unit No. 1 ML15196A5162015-07-24024 July 2015 Summary of Telephone Conference Call Held on May 06, 2015, and May 19, 2015 Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company ML15170A2862015-06-18018 June 2015 Summary of the Public Open House Regarding Davis-Besse Nuclear Power Station ML15089A1642015-04-27027 April 2015 Summary of February 25, 2015, Partially Closed Meeting with Industry Stakeholders Regarding the Babcock and Wilcox Loss of Coolant Accident Evaluation Model Analysis ML15056A4562015-04-20020 April 2015 Summary of Teleconference Call Held February 20, 2015, Between U.S. Nuclear Regulatory Commission and First Energy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power Station ML14325A7782014-12-16016 December 2014 October 6, 2014, Summary of Pre-Application Meeting with Firstenergy Nuclear Operating Company to Discuss Proposed Combination of Site Emergency Plans ML14224A6142014-08-12012 August 2014 Summary of Public Meeting to Discuss the 2013 Performance of Davis-Besse Nuclear Power Station ML14160B1032014-07-10010 July 2014 June 6, 2014 Summary of Meeting with FENOC Flooding Hazard Reevaluation Extension Request for Beaver Valley Power Station, Units 1 and 2 and Flooding Hazard Reevaluation Report for Davis-Besse Nuclear Power Station, Unit 1 ML14099A4642014-05-0606 May 2014 Summary of Public Meetings to Discuss Draft Supplement 52 to the Generic Environmental Impact Statement for License Renewal of Nuclear Plants Regarding Davis-Besse Nuclear Generating Station, Unit 1 ML14099A3392014-04-22022 April 2014 March 27, 2014, Summary of Telephone Conference Call Held Between Nuclear Regulatory Commission and First Energy Nuclear Operating Company Concerning Commitment 13 of the Safety Evaluation Report Pertaining to the Davis Besse Unit 1, Licens ML14080A1842014-03-21021 March 2014 Summary of Webinar Meeting to Discuss NRC Inspection Activities Associated with the Davis-Besse Nuclear Power Station Installation of Two New Steam Generators ML13240A0702013-08-29029 August 2013 8 22 2013 DB NRC Telecon Summary License Condition ML13225A2932013-08-12012 August 2013 7/23-24/2013, Summary of Meeting 2013 U.S. Nuclear Regulatory Commission (NRC) Initial Exam Writers' Workshop ML13197A2572013-07-17017 July 2013 5 28 2013 DB Hs Bolts Telecon Summary ML13182A4082013-07-17017 July 2013 Summary of Telephone Conference Call Held on October 16, 2012, Between NRC and FENOC, Concerning RAI Pertaining to the Davis-Besse Nuclear Power Station, LRA (TAC No. ME640) ML13149A2862013-07-12012 July 2013 Summary of Telephone Conference Call Held on May 2, 2013, Between the NRC and FENOC, Concerning RAI Pertaining to the Davis-Besse Nuclear Power Station License Renewal Application ML13182A4432013-07-12012 July 2013 Summary of Telephone Conference Call Held on April 11, 2013, Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Powe ML13149A2882013-07-0909 July 2013 May 9, 2013, Summary of Telephone Conference Call Held Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power Stat ML13168A2422013-06-14014 June 2013 6/11/2013 - Summary of Open House to Discuss the 2012 Davis-Besse Nuclear Power Station End-Of-Cycle Performance ML13091A3272013-03-29029 March 2013 Summary of Public Meeting to Discuss the Davis-Besse Replacement Activities ML13051A6602013-03-26026 March 2013 Summary of Telephone Conference Call Held on January 23, 2013, Between the NRC and FENOC, Concerning RAI Pertaining to the Davis-Besse Nuclear Power Station, LRA ML13051A0682013-03-26026 March 2013 January 16, 2013 Summary of Telephone Conference Call Held Between U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company ML13025A0272013-02-14014 February 2013 October 23, 2012 Summary of Telephone Conference Call Held Between the Nuclear Regulatory and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power Station, License ML12277A4082012-10-0303 October 2012 September 26, 2012, Summary of Public Meeting to Discuss FENOC Fleet Performance ML12243A2832012-08-30030 August 2012 Summary of Public Meeting to Discuss Nrc'S Review of Fenoc'S Root Cause Analysis of Davis-Besse Shield Building Cracks ML12237A0432012-08-24024 August 2012 August 15, 2012 - Summary of Public Meeting to Discuss the Davis-Besse Nuclear Power Station, Unit 1, End-Of-Cycle Plant Performance Assessment ML12195A1132012-07-16016 July 2012 Summary of Public Meeting with FENOC Regarding Licensing Practices and Processes ML12165A3502012-07-16016 July 2012 Summary of Conference Call for Stream Generator Tube Inservice Inspections for Spring 2012 Refueling Outage ML12052A1792012-05-15015 May 2012 July 19, 2011, Summary of Telephone Conference Call Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power Station ML12059A0782012-04-0202 April 2012 Summary of Telephone Conference Call Held on February 9, 2012, Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Pow ML12061A2582012-04-0202 April 2012 Summary of Telephone Conference Call Held on July 12,2011, Between the U.S. Nuclear Regulatory Commission and Firstenergy Nuclear Operating Company, Concerning Requests for Additional Information Pertaining to the Davis-Besse Nuclear Power ML12031A1832012-03-0202 March 2012 Summary of Telephone Conference Call Held on July 13, 2011, Between the U.S. Nuclear Regulatory Commission and Firstentergy Nuclear Operating Company, Concerning Request for Additional Information Pertaining to the DA7 13 2011 DB NRC Teleco 2023-06-05
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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 12, 2016 Mr. Brian D. Boles Site Vice President FirstEnergy Nuclear Operating Company Mail Stop A-DB-3080 5501 N. State Route 2 Oak Harbor, OH 43449-9760
SUBJECT:
DAVIS-BESSE NUCLEAR POWER STATION, UNIT NO. 1 -
SUMMARY
OF APRIL 12, 2016, TELECONFERENCE REGARDING STEAM GENERATOR TUBE INSERVICE INSPECTION (CAC NO. MF7398)
Dear Mr. Boles:
On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a teleconference with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the inservice inspections of steam generators at Davis-Besse Nuclear Power Station, Unit No. 1. A summary of the teleconference and a list of participants are enclosed.
By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the NRC staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182.
If you have any questions, please contact me at (301) 415-1380.
Sincerely, fl;l ;JVVZ/
Blake Purnell, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-346 cc: Distribution via Listserv
Enclosures:
- 1. Summary of Teleconference
- 2. List of Participants
SUMMARY
OF APRIL 12, 2016, TELECONFERENCE SPRING 2016 STEAM GENERATOR INSPECTIONS DAVIS-BESSE NUCLAER POWER STATION, UNIT NO. 1 DOCKET NO. 50-346 On April 12, 2016, the U.S. Nuclear Regulatory Commission (NRC) staff participated in a conference call with representatives of FirstEnergy Nuclear Operating Company (the licensee) regarding the ongoing steam generator (SG) inspection at Davis-Besse Nuclear Power Station (Davis-Besse), Unit No. 1. By letter dated February 29, 2016 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML16057A865), the staff provided questions for the licensee to address during the call. The licensee's handouts used during the call, which addressed the staff's questions, are available under ADAMS Accession No. ML16117A182, and this information is not repeated here. Definitions of acronyms used by the licensee in its handouts are provided at the end of this summary.
Background
Davis-Besse has two once-through SGs designed by Babcock and Wilcox. These replacement SGs were installed in 2014. The tubes were hydraulically expanded for part of the length of the tubesheet and are supported by sixteen carbon steel tube support plates. The licensee stated that a number of adjustments were made in the design of their new SGs to mitigate tube-to-tube wear degradation. For example, the length of the tube-to-tubesheet expansion was adjusted to control the amount of preloading on the tubes.
The licensee stated that the integral orifice plate is in the downcomer region, and it is adjusted to set the water column height in the feedwater downcomer region of the SG. The licensee stated that tube support plate (TSP) 15S is below the auxiliary feedwater nozzle and has drilled holes in the periphery through which the tubes pass. The remaining portion of TSP 15S and the other TSPs in the SG have trefoil broached holes. The trefoil holes of the even numbered TSPs are offset from centerline to minimize tube wear at the TSP elevations.
Summary of Inspection Results At the time of the teleconference, SG tube inspections were ongoing and the information provided by the licensee did not represent final inspection results. The information provided by the licensee was for the point when the licensee had completed 65 percent of the inspections for SG 2A and 47 percent of the inspections for SG 1B.
The licensee had identified 358 wear-like indications for SG 2A and 22 wear-like indications for SG 1B. The licensee believes the higher number of indications found in SG 2A is due to a different length of secondary side piping that runs into SG 2A. The different length is due to the physical configuration of the plant. The licensee stated it had seen similar differences with its previous SGs.
The licensee had identified 142 locations in SG 2A and 20 locations in SG 1B needing special interest exams. No tube-to-tube wear indications had been detected. The licensee stated that it Enclosure 1
had identified 182 wear indications at TSP 16S which were distributed amongst tubes in the periphery region. The periphery region has the highest crossflow velocities.
The licensee performed as-found visual inspections of the SG channel head, but the inspections were incomplete at the time of the call. The licensee stated it would notify NRC staff if any abnormalities are found.
The NRC staff did not identify any issues during the call that required follow-up action.
Acronyms Acronyms used in the licensee's document are defined below:
- % TW - Percent Through-Wall
- ADI - Absolute Drift Indication
- CMOA - Condition Monitoring Operational Assessment
- DOI - Distorted Dent/Ding Indication
- OSI - Distorted Support Indication
- DTI - Distorted Tubesheet Indication
- IDC - Inside Diameter Chatter
- LPI - Loose Part Indication
- MRPC - Motorized Rotating Pancake Coil
- NQI - Non-Quantifiable Indication
- OA - Operational Assessment
- PLP - Possible Loose Part
- PVN - Permeability Variation
- SVI - Single Volumetric Indication
- Tech Spec - Technical Specification
LIST OF PARTICIPANTS APRIL 12, 2016, TELECONFERENCE WITH FIRSTENERGY NUCLEAR OPERATING COMPANY (FENOC)
Name Affiliation Blake Purnell NRC Jennifer Hauser NRC Alan Huynh NRC Andrew Johnson NRC Tom Bilk NRC Thomas Briley NRC Phil Lashley FE NOC William Boudreaux FE NOC Steve Slosnerick FE NOC Victor Newman FE NOC Luke Twarek FE NOC Kevin Zellers FE NOC Alex Cullu FE NOC Kendall Johnson FE NOC Enclosure 2
ML16117A182.
If you have any questions, please contact me at (301) 415-1380.
Sincerely, IRA/
Blake Purnell, Project Manager Plant Licensing Branch 111-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-346 cc: Distribution via Listserv
Enclosures:
- 1. Summary of Teleconference
- 2. List of Participants DISTRIBUTION:
PUBLIC RidsNrrDeEsgb Resource LPL3-2 r/f AHuynh, NRR RidsNrrDorlLpl3-2 Resource AJohnson, NRR RidsNrrLASRohrer Resource KKarwoski, NRR RidsNrrPMDavisBesse Resource GKulesa, NRR RidsRgn3MailCenter Resource DHills, Riii ADAMS A ccession N o.M L1613 0 A750 *b1y memo OFFICE DORL/LPL3-2/PM DORL/LPL3-2/LA DE/ESGB/BC DORL/LPL3-2/BC (A) DORL/LPL3-2/PM NAME BPurnell SRohrer GKulesa* GE Miller BPurnell DATE 5/11/16 5/10/16 4/27/16 5/12/16 5/12/16