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| {{#Wiki_filter:CalvertCliffsCalvert CliffsChemical Effects in k fd Ris k-In f orme d GSI-191ResolutionResolution SihDiiWihNRCSff Si xt h Di scuss i on Wi t h NRC S ta ffNovember 13, 2013 AgendaIntroductions ObjectivesforMeetingObjectives for MeetingDiscuss Preliminary Autoclave Test ResultsDiscussion of Chemical Effects PIRT Items Discussion of Alkyds Autoclave Test PlanDiscussion of Integrated Chemical Effects Testing Topics | | {{#Wiki_filter:Calvert Cliffs Chemical Effects in Risk-Informed k f d GSI-191 Resolution Si h Di Sixth Discussion i WiWith h NRC SStaff ff November 13, 2013 |
| -Zinc and Marinite Debris | | |
| -Chemical Effects Head Loss Loop DesignDiscussionofSmall | | Agenda |
| -ScaleDebrisBypass/PenetrationTestPlan Discussion of SmallScale Debris Bypass/Penetration Test PlanSchedule for future periodic meetings CCNPP AttendeesTom Konerth -Supervisor Mechanical DesignKenGreeneLicensingEngineerKen Greene -Licensing EngineerJohn Swailes -Project Manager GSI-191CraiSellersProjetManaerRIGSI 191Crai g Sellers -Proje c t Mana g er RI GSI-191Steve Kinsey -Chemical Effects TestingJhWChilEffTiJ os h Wargo -Ch em i ca l Eff ects Test i ngJon Cavallo -Coatings Consultant Objectives of MeetingDiscuss Preliminary Autoclave Test ResultsContinue to Work Towards Agreement on Chemical Effects PIRTI CCNPP CHLE 003PIRT I ssues -CCNPP-CHLE-003Review & Work Towards Agreement on Chemical Effects Testing TopicsAlkdAlTPl CCNPP CHLE 007-Alk y d Autoc lave Test Pl an -CCNPP-CHLE-007-Considerations for Zinc -CCNPP-CHLE-008
| | |
| -Considerations for Marinite -CCNPP-CHLE-009IntegratedChemicalEffectsHeadLossLoopDesign | | ===Introductions=== |
| -Integrated Chemical Effects Head Loss Loop DesignReview & Work Towards Agreement on Small-Scale Strainer Bypass Test Plan -CCNPP-BPPlan-002PresentProposedScheduleforFutureMeetingsPresent Proposed Schedule for Future MeetingsCapture Staff Issues and Concerns Preliminary Autoclave Test ResultsCCNPP-CHLE-006 -Metals | | Objectives for Meeting Discuss Preliminary Autoclave Test Results Discussion of Chemical Effects PIRT Items Discussion of Alkyds Autoclave Test Plan Discussion of Integrated Chemical Effects Testing Topics |
| -Insignificant Concentrations | | - Zinc and Marinite Debris |
| *Cr, Fe, Ni | | - Chemical Effects Head Loss Loop Design Discussion of Small-Scale Small Scale Debris Bypass/Penetration Test Plan Schedule for future periodic meetings 2 |
| -Very High Ca Concentration | | |
| *Influenced Revised MariniteScaling Methodology | | CCNPP Attendees Tom Konerth - Supervisor Mechanical Design Ken Greene - Licensing Engineer John Swailes - Project Manager GSI-191 Crai Sellers - Project Craig Proje t Manager Mana er RI GSI-191 GSI 191 Steve Kinsey - Chemical Effects Testing J hW Josh Wargo - Chemical Ch i l EffEffects TTesting i |
| -Very High Zn Concentration | | Jon Cavallo - Coatings Consultant 3 |
| *Pure Zinc >> Galvanized Steel | | |
| *Influenced Revised Zinc Modeling Methodology | | Objectives of Meeting Discuss Preliminary Autoclave Test Results Continue to Work Towards Agreement on Chemical Effects PIRT Issues I - CCNPP-CHLE-003 CCNPP CHLE 003 Review & Work Towards Agreement on Chemical Effects Testing Topics |
| -Preliminary Data Insufficient for Additional InsightsCCNPP-CHLE-005-HighTemperature CCNPP CHLE 005 High Temperature | | - Alkyd Alk dAAutoclave l TTest Pl Plan - CCNPP-CHLE-007 CCNPP CHLE 007 |
| -No Results to Date Chemical Effects PIRT IssuesPIRT Item 2.5 Additional Debris Bed Chemical Reactions | | - Considerations for Zinc - CCNPP-CHLE-008 |
| -Fiberglass & Metals Insensitive | | - Considerations for Marinite - CCNPP-CHLE-009 |
| -Irradiation is not expected to have a chemical effects impact on coatingsPIRT Item 3.9 Concrete Material Aging | | - Integrated Chemical Effects Head Loss Loop Design Review & Work Towards Agreement on Small-Scale Strainer Bypass Test Plan - CCNPP-BPPlan-002 Present Proposed Schedule for Future Meetings Capture Staff Issues and Concerns 4 |
| -Using concrete from Original Plant Construction | | |
| -All Original Concrete Made On-Site with Same MaterialsPIRT Item 6.4 Coatin gs Dissolution and Leachin g gg-Epoxy Coatings Not Sensitive | | Preliminary Autoclave Test Results CCNPP-CHLE-006 - Metals |
| -Zinc Coatings Used in Tests | | - Insignificant Concentrations |
| -AlkydCoatingstobeaddressedinAutoclaveTestAlkyd Coatings to be addressed in Autoclave TestOthers Alkyds Autoclave Test Plan -CCNPP-CHLE-007Investigate Chemical Effects from Alkyd Coatings | | * Cr, Fe, Ni |
| -Apply Alkyd Coatings to SS Coupons | | - Very High Ca Concentration |
| -Include LOCA Debris and Exposed Reactive Materials | | * Influenced Revised Marinite Scaling Methodology |
| -Submerge in Borated Water | | - Very High Zn Concentration |
| -DissolveBufferat195 | | * Pure Zinc >> Galvanized Steel |
| °FDissolve Buffer at 195 F-Expose to LOCA Temperature Profile for 7 Days | | * Influenced Revised Zinc Modeling Methodology |
| -Vacuum Filtration for Head Loss Implicationslfb/-Visua l Examination f or De b ris / Precipitates | | - Preliminary Data Insufficient for Additional Insights CCNPP CCNPP-CHLE-005 CHLE 005 - High Temperature |
| -Chemical Analysis for Potential Precipitants & OrganicsSection-by Section Review Zinc Considerations -CCNPP-CHLE-008Failed Inorganic Zinc Coatings Historically Treated as 10 µm S pheres for H ydraulic CharacteristicsµpyModeling as such in Chemical Effects Testing Results in Very Large Surface Area of Surrogate MaterialCalvert Cliffs Proposed Approach | | - No Results to Date 5 |
| -IOZ in ZOI and Unqualified Zinc-Rich Coatings Tested using SmoothZincPlateSurrogatewithSameSurfaceAreaas10 Smooth Zinc Plate Surrogate with Same Surface Area as 10 µm Spheres | | |
| -Degraded Qualified IOZ Tested using Cured/Aged IOZ CoatedCoponsith2SrfaceAreaofDegradedCoated Co u pons w ith 2 x S urface Area of Degraded Coatings Marinite Considerations -CCNPP-CHLE-009Marinite Fines Debris Historically Treated as 10 µm SpheresforHydraulicCharacteristicsSpheres for Hydraulic CharacteristicsModeling as such in Chemical Effects Testing Results in V e r y L a r ge Su rf ace Ar ea o f So li d M a rini teeyageSuaceeaoSodateCalvert Cliffs Proposed Approach | | Chemical Effects PIRT Issues PIRT Item 2.5 Additional Debris Bed Chemical Reactions |
| -Marinite Fine Debris Tested usin g 1/2" Thick Marinite Board gwith 25% of the Surface Area as 44 µm Spheres | | - Fiberglass & Metals Insensitive |
| -Marinite non-Fines Tested using 1/2" Thick Marinite Board ithPtltdSfASbdSd w ith P os t u l a t e d S ur f ace Area S u bmerge d or Spraye d Integrated Chemical Effects Head Loss Test LoopVertical Head Loss Column Primary Reaction Chamber(Showing Clearance for Coupons)Heat Exchanger Loop Initial Preparation ChamberLoop Heating & Cooling Small-Scale Bypass Test Plan-CCNPP-BPPlan-002Sensitivity TestsWaterChemistry | | - Irradiation is not expected to have a chemical effects impact on coatings PIRT Item 3.9 Concrete Material Aging |
| *Design of Experiments | | - Using concrete from Original Plant Construction |
| -Water Chemistry-Water Temperature | | - All Original Concrete Made On-Site with Same Materials PIRT Item 6.4 Coatings g Dissolution and Leachingg |
| -Fiber MixtureRunFiber TypeWater ChemistryTemperature°°Prototypical Strainer | | - Epoxy Coatings Not Sensitive |
| -Fabricated from Similar °°°°Perforated PlateContinuous Filtration°°°°Section-by Section Review Schedule for Future Periodic MeetingJanuary 2014
| | - Zinc Coatings Used in Tests |
| -ChemicalEffectsBench | | - Alkyd Coatings to be addressed in Autoclave Test Others 6 |
| -TopTestResultsChemical Effects BenchTop Test Results-Final Chemical Effects Screening Test Protocol}} | | |
| | Alkyds Autoclave Test Plan - CCNPP-CHLE-007 Investigate Chemical Effects from Alkyd Coatings |
| | - Apply Alkyd Coatings to SS Coupons |
| | - Include LOCA Debris and Exposed Reactive Materials |
| | - Submerge in Borated Water |
| | - Dissolve Buffer at 195°F 195 F |
| | - Expose to LOCA Temperature Profile for 7 Days |
| | - Vacuum Filtration for Head Loss Implications |
| | - Visuall Examination ffor Debris b / Precipitates |
| | - Chemical Analysis for Potential Precipitants & Organics Section-by Section Review 7 |
| | |
| | Zinc Considerations - CCNPP-CHLE-008 Failed Inorganic Zinc Coatings Historically Treated as 10 µµm Spheres p for Hydraulic y Characteristics Modeling as such in Chemical Effects Testing Results in Very Large Surface Area of Surrogate Material Calvert Cliffs Proposed Approach |
| | - IOZ in ZOI and Unqualified Zinc-Rich Coatings Tested using Smooth Zinc Plate Surrogate with Same Surface Area as 10 |
| | µm Spheres |
| | - Degraded Qualified IOZ Tested using Cured/Aged IOZ Coated Co Coupons pons with ith 2 2x SSurface rface Area of Degraded Coatings 8 |
| | |
| | Marinite Considerations - CCNPP-CHLE-009 Marinite Fines Debris Historically Treated as 10 µm Spheres for Hydraulic Characteristics Modeling as such in Chemical Effects Testing Results in Very e y Large a ge Surface Su ace Area ea of o Solid So d Marinite a te Calvert Cliffs Proposed Approach |
| | - Marinite Fine Debris Tested usingg 1/2 Thick Marinite Board with 25% of the Surface Area as 44 µm Spheres |
| | - Marinite non-Fines Tested using 1/2 Thick Marinite Board with ith P Postulated t l t d SSurface f A Area SSubmerged b d or SSprayed d |
| | 9 |
| | |
| | Integrated Chemical Effects Head Loss Test Loop Primary Reaction Chamber (Showing Clearance for Coupons) |
| | Vertical Head Loss Column Initial Preparation Chamber Heat Exchanger Loop Loop Heating & Cooling 10 |
| | |
| | Small-Scale Bypass Test Plan-CCNPP-BPPlan-002 Sensitivity Tests |
| | * Design of Experiments |
| | - Water Chemistry Run Fiber Type Water Chemistry Temperature |
| | - Water Temperature 1 Nukon Tap 90°F |
| | - Fiber Mixture 2 Cocktail Tap 90°F 3 Nukon Borated Buffer 90°F Prototypical Strainer 4 Cocktail Borated Buffer 90°F 5 Nukon Tap 180°F |
| | - Fabricated from Similar 6 C kt il Cocktail T Tap 180°F Perforated Plate 7 Nukon Borated Buffer 180°F 8 Cocktail Borated Buffer 180°F Continuous Filtration 9 TBD TBD 135°F 10 TBD (Repeatability Test) |
| | Section-by Section Review 11 |
| | |
| | Schedule for Future Periodic Meeting January 2014 |
| | - Chemical Effects Bench-Top Bench Top Test Results |
| | - Final Chemical Effects Screening Test Protocol 12}} |
Letter Sequence Request |
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Initiation
- Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request
- Acceptance...
- Supplement, Supplement
Administration
- Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting, Meeting
|
MONTHYEARML0515100172005-05-31031 May 2005
Draft RAI on Response to Generic Letter 2004-02
Project stage: Draft RAI
ML0515303042005-06-0303 June 2005
6/3/05, Calvert Cliffs - RAI Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-Water Reactors
Project stage: RAI
ML0603803582006-02-0909 February 2006
RAI, Response to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design-Basis Accidents at Pressurized-Water Reactors
Project stage: RAI
ML0609500512006-04-12012 April 2006
Approval of Extension Request for Completion of Corrective Actions in Response to Generic Letter 2004-02
Project stage: Other
ML0618702222006-06-30030 June 2006
Calvert Cliffs, Units 1 & 2 Update of Response to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Basis Accidents at Pressurized Water Reactors
Project stage: Other
ML0626405472006-09-20020 September 2006
Update of Response to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors
Project stage: Other
ML0633407022006-12-18018 December 2006
Unit No.1 - Approval of Extension Request for Completion of Corrective Action in Response to Generic Letter 2004-02
Project stage: Other
ML0712703722007-05-0202 May 2007
Calvert Cliffs Revision to Generic Letter 2004-02 Response
Project stage: Other
ML0734504992007-12-10010 December 2007
Attachment (1) Request for Extension of the Completion Date for Corrective Actions Related to Generic Letter 2004-02
Project stage: Request
ML0734504982007-12-10010 December 2007
Request for Extension for Completion of Activities Related to Generic Letter 2004-02
Project stage: Request
ML0811307392008-04-22022 April 2008
Revision to Generic Letter 2004-02 Response
Project stage: Other
ML0817101052008-06-18018 June 2008
Attachment 1, Request for Extension of the Completion Date for Corrective Actions Related to Generic Letter 2004-02
Project stage: Request
ML0827404972008-09-30030 September 2008
Calvert Cliffs Nuclear Plant, Attachment 2, ECCS and CS System Figures
Project stage: Other
ML0827404892008-09-30030 September 2008
Supplemental Response to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors.
Project stage: Supplement
ML0833003202008-12-0404 December 2008
Request for Additional Information Supplemental Response to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors-Calvert Cliffs Unit 1 & 2
Project stage: RAI
ML0906807672009-03-0404 March 2009
Request for Additional Information: Supplemental Response to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors
Project stage: Supplement
ML1009500782010-04-12012 April 2010
Request for Additional Information Generic Letter 2004-02 Calvert Cliffs Nuclear Power Plant, Unit Nos. 1 and 2-(TAC Nos. MC4672 and MC4673)
Project stage: RAI
ML1011903842010-05-0606 May 2010
Notice of Forthcoming Conference Call with Calvert Cliffs to Discuss Supplemental Responses to Generic Ltr. 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors
Project stage: Request
ML1014708982010-06-0707 June 2010
Summary of Meeting with Calvert Cliffs Nuclear Power Plant, LLC, to Discuss Supplement to Responses to Generic Letter 2004-02
Project stage: Meeting
ML1028701002010-09-30030 September 2010
Catawba Units 1 & 2, Draft Responses to NRC Request for Additional Information Related to Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents on Pressurized-Water....
Project stage: Request
ML1029306502010-10-20020 October 2010
Notice of Forthcoming Conference Call with Duke Energy Carolinas, LLC Regarding McGuire Nuclear Station, Units 1 and 2 and Catawba Nuclear Station, Units 1 and 2,
Project stage: Other
ML1030810242010-11-10010 November 2010
Summary of November 1, 2010, Meeting with Duke to Discuss Responses to Generic Letter (GL) 2004-02 (Tac Nos. MC4673, MC4674, MC4692, and MC4693)
Project stage: Meeting
ML1031903612010-11-10010 November 2010
Response to Request for Additional Information Regarding Generic Letter 2004-02 (TAC Nos. MC4672 and MC4673)
Project stage: Response to RAI
ML13086A5512013-01-24024 January 2013
MC4672 & MC4673 - CCNPP-CHLE-003, Rev 0c Chemical Effects Pirt Considerations Excerpts with Respect to GL2004-02, GSI-191
Project stage: Other
ML13038A5432013-01-24024 January 2013
Chemical Effects Head Loss Experiment (Chle) Test Protocol for Calvert Cliffs Nuclear Power Plant (CCNPP-CHLE-002, Revision 0d)
Project stage: Request
ML13050A5112013-02-19019 February 2013
MC4672-3 Corrected Notice -Public Meeting on March 20, 2013 Re-GL2004-02
Project stage: Request
ML13045A1822013-02-19019 February 2013
March 20, 2013, Notice of Forthcoming Teleconference with Calvert Cliffs and Nrc/Nrr Staff to Have Additional Discussions of Licensees'S Proposed Path for Resolution of Generic Letter 2004-02
Project stage: Meeting
ML13086A5502013-03-0101 March 2013
MC4672 & MC4673, CCNPP-CHLE-002, Rev 0e Chemical Effects Experimental Protocol with Respect to GL2004-02, GSI-191.
Project stage: Request
ML13088A2202013-03-18018 March 2013
MC4672 & MC4673 - CCNPP-CHLE-005, Rev 1 Chemical Effects Autoclave Experimental Plan with Respect to GL2004-02, GSI-1 91
Project stage: Request
ML13086A5492013-03-20020 March 2013
MC4672 & MC4673 - Licensee Presentation-Category 1, Public Meeting on March 20, 2013 with Respect to GL2004-02, GSI-191
Project stage: Meeting
ML13091A0552013-04-10010 April 2013
Summary of Meeting on March 20, 2013, with Calvert Cliffs Nuclear Power Plant, LLC, to Discuss the Proposed Risk-Informed Approach to the Resolution of Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation D
Project stage: Meeting
ML13149A3942013-05-20020 May 2013
Chemical Effects Head Loss Experiment (Chle) Test Protocol for Calvert Cliffs Nuclear Power Plant, CCNPP-CHLE-002, Revision 0 May 20, 2013
Project stage: Request
ML13149A3992013-05-20020 May 2013
Chemical Effects Autoclave Experiment Test Plan for Calvert Cliffs Nuclear Power Plant CCNPP-CHLE-005, Revision 2, May 20, 2013
Project stage: Request
ML13149A4052013-05-23023 May 2013
Metals BENCH-TOP Autoclave Experiment Test Plan for Calvert Cliffs Nuclear Power Plant, CCNPP-CHLE-006, Revision 0, May 23, 2013
Project stage: Request
ML13148A3962013-05-29029 May 2013
Forthcoming Meeting with Calvert Cliffs Nuclear Power Plant, LLC to Discuss Licensee'S Proposed Plan for Resolution of GL 2004-02
Project stage: Meeting
ML13179A3132013-07-11011 July 2013
June 12, 2013 Summary of Meeting with Constellation Energy Group, Inc., to Continue Discussions on the Proposed Risk-Informed Approach to the Resolution of Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculati
Project stage: Meeting
ML13224A0942013-08-0606 August 2013
Chemical Effects Pirt Considerations for Calvert Cliffs Nuclear Power Plant, CCNPP-CHLE-003, Revision 0c
Project stage: Request
ML13224A1032013-08-0808 August 2013
CCNPP-CHLE-007, Revision 0c, Coatings Bench-Top Autoclave Experiment Test Plan for Calvert Cliffs Nuclear Power Plant.
Project stage: Request
ML13226A0902013-08-14014 August 2013
Notice of Forthcoming Meeting with Constellation Energy Nuclear Group, LLC
Project stage: Meeting
ML13304B4032013-11-0101 November 2013
Notice of Forthcoming Meeting with Constellation Energy Nuclear Group, LLC,
Project stage: Meeting
ML13319A9392013-11-13013 November 2013
Ri GSI-191 November 2013 Meeting with NRC Rev 0
Project stage: Request
ML13310B9292013-12-0606 December 2013
Summary of Meeting with Constellation Energy Group, Inc., to Continue Discussions on the Proposed Risk-Informed Approach to the Resolution of Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During ...
Project stage: Meeting
ML14014A0392014-01-29029 January 2014
Summary of Meeting with Constellation Energy Group, Inc., to Continue Discussions on the Proposed Risk-Informed Approach to the Resolution of Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During..
Project stage: Meeting
ML14206B0012014-02-14014 February 2014
Long-Term Chemical Effects Autoclave Experiment Test Plan for Calvert Cliffs Nuclear Power Plant. CCNP-CHLE-011, Revision 2
Project stage: Request
ML14142A3232014-05-22022 May 2014
NRR E-mail Capture - Calvert Cliffs May 21, 2014 Public Meeting Presentation
Project stage: Request
ML14206A9932014-07-25025 July 2014
Conrete Bench-Top Autoclave Experiment Test Plan for Calvert Cliffs Nuclear Power Plant. CCNPP-CHLE-010, Revision 1
Project stage: Request
ML14206B1442014-11-0606 November 2014
May 21, 2014 Summary of Meeting with Exelon Generation Company, LLC, to Continue Discussions on the Proposed Risk-Informed Approach to the Resolution of Generic Letter 2004-02
Project stage: Meeting
ML14206A2062014-11-0707 November 2014
July 2, 2014 Summary of Meeting with Exelon Generation Company, LLC to Continue Discussions on the Proposed Risk-Informed Approach to the Resolution of Generic Letter 2004-02
Project stage: Meeting
ML15154B5572015-06-17017 June 2015
May 19, 2015 Summary of Meeting with Exelon Generation Company, LLC, on Calvert Cliffs Nuclear Power Plant, Units 1 and 2 - Chemical Effects Testing for Resolution of Generic Letter 2004-02 (TAC Nos. MC4672 & MC4673)
Project stage: Meeting
ML15222A5472015-08-31031 August 2015
GSI 191 Program Chemical Effects Testing Update Option 2b Closure Approach
Project stage: Request
2013-11-01
[Table View] |
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Category:Slides and Viewgraphs
MONTHYEARML24029A1742024-01-30030 January 2024
Constellation Pre-Application January 30, 2024, Meeting Slides - Proposed Alternative to Utilize Code Case N-932, Alternative Requirements for Acceptance of Containment Base Metal Corrosion or Erosion
ML23317A0712023-11-14014 November 2023
NRC Pre-Submittal Meeting on November 14th, 2023 - TSTF-591 and Selected 50.69 License Condition Updates (EPID L-2023-LLM-0098) (Slides)
ML23255A1042023-08-11011 August 2023
Slides - Constellation - Pre-Application EP 9/18/2023 Draft CEG Presubmittal SG Performance Monitoring Plan Meeting Handout
ML23157A0352023-06-0606 June 2023
Annual Assessment Meeting for Pa/Md/Ny/Nj Nuclear Power Plants - NRC Presentation Slides
NEI 99-01, Slides - Constellation - Pre-Application EP 2/23/2023 Meeting Slides2023-02-21021 February 2023
Slides - Constellation - Pre-Application EP 2/23/2023 Meeting Slides
ML23033A6662023-02-0909 February 2023
Summary of Public Meeting with Constellation Energy Generation, LLC (Constellation) to Discuss Its Request for Alternatives for Certain Steam Generator Weld Inspections for Calvert Cliffs 1 & 2, Byron 1 & 2, Braidwood 1 & 2, and Ginna
ML23033A6672023-01-30030 January 2023
Public Call with Constellation January 30, 2023 (Slides)
ML22124A1492022-05-10010 May 2022
(Ccnpp) Control Element Assembly (CEA) Recovery Time Improvement Project LAR Pre-Submittal Non-Proprietary (Public)
ML22124A1482022-05-10010 May 2022
(Ccnpp) Control Element Assembly (CEA) Recovery Time Improvement Project LAR Pre-Submittal Redacted (Public)
ML22013A3942022-01-13013 January 2022
Presentation Information for Pre-Submittal Meeting Regarding Relief Request to Use the Carbon Fiber Reinforced Polymer (Cfrp) Composite System
ML21314A4472021-11-10010 November 2021
Slides for Presubmittial Meeting for Proposed Alternative to Adopt ASME Code Case N-921 to Extend the Inservice Inspection Interval
ML21165A1942021-06-16016 June 2021
Joint Annual Assessment Meeting for Pa/Md/Nj/Ny Nuclear Power Plants - Webinar Presentation
ML21165A2882021-06-16016 June 2021
Joint Annual Assessment for Pa/Md/Nj/Ny Nuclear Power Plants - Webinar Presentation (Updated)
ML21162A3322021-06-11011 June 2021
BWR Fleet Relief Request Associated with RPV Instrument Nozzle Repairs
ML21144A0172021-05-24024 May 2021
Spent Fuel Pool Cooling - Shutdown Cooling Licensing Design Basis License Amendment Request Pre-Submittal Meeting
ML21134A0162021-05-24024 May 2021
Spent Fuel Pool Cooling - Shutdown Cooling Licensing Design Basis License Amendment Request - NRC Pre-submittal Meeting Telecon May 24, 2021 (EPID L-2021-LRM-0051) (Slides)
ML20261G7322020-09-16016 September 2020
Pre-Submittal Slides Extend 120-month Isi/Ist Interval Under 50.55a
ML20246G8772020-09-0303 September 2020
Licensee'S Presentation for September 3, 2020 Public Telephone Conference
ML20178A4202020-06-30030 June 2020
NEI Slides for June 30, 2020, Public Meeting on COVID-19 Response
ML20170B0212020-06-23023 June 2020
NRC Pre-Submittal Meeting Byron Unit 2 One-Time Deferral of Reactor Pressure Vessel Head Penetration Nozzle (Rpvhpn) Inspections
ML20175A8722020-06-23023 June 2020
Risk-Informed Inservice Inspection - U.S Nuclear Regulatory Commission (NRC) - Four Element Risk-Informed Approach
ML20163A6542020-06-18018 June 2020
2020 NRC Annual Assessment Webinar Presentation - Pennsylvania and Maryland Facilities (Beaver Valley, Calvert Cliffs, Limerick, Peach Bottom, Susquehanna)
ML20169A5592020-06-16016 June 2020
Steam Generator License Amendment Request Pre-Submittal Meeting (NRC) - Byron Unit 2 LAR for One-Time Deferral of Steam Generator Inspections (Rev 1)
ML20163A6552020-06-16016 June 2020
6-16-20 Byron Unit 2 Steam Generator License Amendment Request Pre-Submittal Meeting (NRC) - Byron Unit 2 LAR for One-Time Deferral of Steam Generator Inspections
ML20168A3192020-06-15015 June 2020
Joint Annual Assessment Meeting for Pa/Md Power Plants - Webinar Presentation
ML19246B7162019-08-29029 August 2019
Meeting Between NRC and Exelon Regarding Calvert Cliffs-2 LAR to Use Framatome ATF LTAs
ML18347B3142018-12-19019 December 2018
Bwrvip/Asme Relief Request Discussion December 19, 2018
ML18334A2162018-11-30030 November 2018
Presentation Slides: Exelon BWR MSIV (Boiling-Water Reactor - Main Steam Isolation Valve) Leakage Optimization for NRC Pre-Submittal Meeting of December 6, 2018
ML18319A1272018-11-19019 November 2018
Slides for 11/19/18 Public Meeting - Exelon Fleet LAR for Common Language for TS 5.7 High Radiation Areas
ML18276A0712018-10-0404 October 2018
Exelon'S Presentation for October 4, 2018 Public Pre-Submittal Meeting on Planned Calvert Cliffs 10CFR50.69 LAR
ML18171A0842018-06-21021 June 2018
GSI-191 Program Use of Risk Metrics for Containment Sump Tech Spec Operability Determination June 21, 2018 Public Meeting Slides (MF8521, MF8522; L-2016-LRM-0001)
ML18136A4932018-05-16016 May 2018
Licensee'S Slides for Pre-Application Meeting W/Exelon Re Planned GSI-191 LAR for Calvert Cliffs (L-2016-LRM-0001)
ML18054B3592018-02-27027 February 2018
Slide: NRC Pre-Submittal Meeting for Exelon Fleet LAR to Relocate TS Unit Staff Qualification ANSI Requirements to the QATR, February 27, 2018, Profile Info: Submitted by Frank Mascitelli
ML16328A2832016-11-18018 November 2016
Supplemental Presentation Slides for 10/25/2016 Public Meeting Via E-mail from K.Greene to R.Guzman Calvert Cliffs GSI-191 Resolution Update
ML16307A4902016-10-25025 October 2016
Presentation Slides from Public Meeting Calvert Cliffs GSI-191 Resolution Update
ML16274A0012016-09-30030 September 2016
PWR MSIP Analysis and Measurements
ML16242A1782016-09-0101 September 2016
Presentation Slides from Public Meeting Regarding Calvert Cliffs GSI-191 Resolution Update
ML16198A0012016-07-18018 July 2016
Presentation Slides from Public Meeting Regarding Calvert Cliffs GSI-191 Resolution Update
ML16077A1562016-03-22022 March 2016
Fleet: Pre-application Teleconference with Exelon to Discuss a Potential License Amendment Request Regarding Operating Training Standards
ML15321A3702015-12-0101 December 2015
GSI-191 Program Strainer Head Loss Testing and Option 2b Closure Approach
ML15308A1072015-11-0505 November 2015
TSTF-505 LAR - NRC Pre-Submittal, November 5, 2015 Meeting Slides
ML15279A4992015-10-0808 October 2015
October 8, 2015, Public Meeting Regarding the NFPA-805 License Amendment Application
ML15282A0832015-10-0808 October 2015
October 8, 2015, Public Meeting Regarding the NFPA-805 License Amendment Application - Final
ML15222A5472015-08-31031 August 2015
GSI 191 Program Chemical Effects Testing Update Option 2b Closure Approach
ML15152A0822015-06-0404 June 2015
Presentation for the June 4, 2015 Public Meeting Regarding the National Fire Protection Association Standard 805 License Amendment Request
ML14230A9132014-08-18018 August 2014
Enclosure - Fuel Performance and Cask Internals - July 17, 2014, Summary of Meeting with Exelon Corporation to Discuss Request for Additional Information No. 4 to the Calvert Cliffs ISFSI License Renewal Application (Docket No. 72-08) TAC L
ML14230A9112014-08-18018 August 2014
Enclosure - Example AMP - July 17, 2014, Summary of Meeting with Exelon Corporation to Discuss Request for Additional Information No. 4 to the Calvert Cliffs ISFSI License Renewal Application (Docket No. 72-08) TAC L24475
ML14230A9102014-08-18018 August 2014
Enclosure - July 17, 2014, Summary of Meeting with Exelon Corporation to Discuss Request for Additional Information No. 4 to the Calvert Cliffs ISFSI License Renewal Application (Docket No. 72-08) TAC L24475
ML14230A9092014-08-18018 August 2014
Enclosure - Generic Concrete AMP CC ISFSI - July 17, 2014, Summary of Meeting with Exelon Corporation to Discuss Request for Additional Information No. 4 to the Calvert Cliffs ISFSI License Renewal Application (Docket No. 72-08) TAC L24475
ML14230A9082014-08-18018 August 2014
Enclosure - Elements of an AMP CC ISFSI - July 17, 2014, Summary of Meeting with Exelon Corporation to Discuss Request for Additional Information No. 4 to the Calvert Cliffs ISFSI License Renewal Application (Docket No. 72-08) TAC L24475
2024-01-30
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Calvert Cliffs Chemical Effects in Risk-Informed k f d GSI-191 Resolution Si h Di Sixth Discussion i WiWith h NRC SStaff ff November 13, 2013
Agenda
Introductions
Objectives for Meeting Discuss Preliminary Autoclave Test Results Discussion of Chemical Effects PIRT Items Discussion of Alkyds Autoclave Test Plan Discussion of Integrated Chemical Effects Testing Topics
- Zinc and Marinite Debris
- Chemical Effects Head Loss Loop Design Discussion of Small-Scale Small Scale Debris Bypass/Penetration Test Plan Schedule for future periodic meetings 2
CCNPP Attendees Tom Konerth - Supervisor Mechanical Design Ken Greene - Licensing Engineer John Swailes - Project Manager GSI-191 Crai Sellers - Project Craig Proje t Manager Mana er RI GSI-191 GSI 191 Steve Kinsey - Chemical Effects Testing J hW Josh Wargo - Chemical Ch i l EffEffects TTesting i
Jon Cavallo - Coatings Consultant 3
Objectives of Meeting Discuss Preliminary Autoclave Test Results Continue to Work Towards Agreement on Chemical Effects PIRT Issues I - CCNPP-CHLE-003 CCNPP CHLE 003 Review & Work Towards Agreement on Chemical Effects Testing Topics
- Alkyd Alk dAAutoclave l TTest Pl Plan - CCNPP-CHLE-007 CCNPP CHLE 007
- Considerations for Zinc - CCNPP-CHLE-008
- Considerations for Marinite - CCNPP-CHLE-009
- Integrated Chemical Effects Head Loss Loop Design Review & Work Towards Agreement on Small-Scale Strainer Bypass Test Plan - CCNPP-BPPlan-002 Present Proposed Schedule for Future Meetings Capture Staff Issues and Concerns 4
Preliminary Autoclave Test Results CCNPP-CHLE-006 - Metals
- Insignificant Concentrations
- Very High Ca Concentration
- Influenced Revised Marinite Scaling Methodology
- Very High Zn Concentration
- Pure Zinc >> Galvanized Steel
- Influenced Revised Zinc Modeling Methodology
- Preliminary Data Insufficient for Additional Insights CCNPP CCNPP-CHLE-005 CHLE 005 - High Temperature
- No Results to Date 5
Chemical Effects PIRT Issues PIRT Item 2.5 Additional Debris Bed Chemical Reactions
- Fiberglass & Metals Insensitive
- Irradiation is not expected to have a chemical effects impact on coatings PIRT Item 3.9 Concrete Material Aging
- Using concrete from Original Plant Construction
- All Original Concrete Made On-Site with Same Materials PIRT Item 6.4 Coatings g Dissolution and Leachingg
- Epoxy Coatings Not Sensitive
- Zinc Coatings Used in Tests
- Alkyd Coatings to be addressed in Autoclave Test Others 6
Alkyds Autoclave Test Plan - CCNPP-CHLE-007 Investigate Chemical Effects from Alkyd Coatings
- Apply Alkyd Coatings to SS Coupons
- Include LOCA Debris and Exposed Reactive Materials
- Submerge in Borated Water
- Dissolve Buffer at 195°F 195 F
- Expose to LOCA Temperature Profile for 7 Days
- Vacuum Filtration for Head Loss Implications
- Visuall Examination ffor Debris b / Precipitates
- Chemical Analysis for Potential Precipitants & Organics Section-by Section Review 7
Zinc Considerations - CCNPP-CHLE-008 Failed Inorganic Zinc Coatings Historically Treated as 10 µµm Spheres p for Hydraulic y Characteristics Modeling as such in Chemical Effects Testing Results in Very Large Surface Area of Surrogate Material Calvert Cliffs Proposed Approach
- IOZ in ZOI and Unqualified Zinc-Rich Coatings Tested using Smooth Zinc Plate Surrogate with Same Surface Area as 10
µm Spheres
- Degraded Qualified IOZ Tested using Cured/Aged IOZ Coated Co Coupons pons with ith 2 2x SSurface rface Area of Degraded Coatings 8
Marinite Considerations - CCNPP-CHLE-009 Marinite Fines Debris Historically Treated as 10 µm Spheres for Hydraulic Characteristics Modeling as such in Chemical Effects Testing Results in Very e y Large a ge Surface Su ace Area ea of o Solid So d Marinite a te Calvert Cliffs Proposed Approach
- Marinite Fine Debris Tested usingg 1/2 Thick Marinite Board with 25% of the Surface Area as 44 µm Spheres
- Marinite non-Fines Tested using 1/2 Thick Marinite Board with ith P Postulated t l t d SSurface f A Area SSubmerged b d or SSprayed d
9
Integrated Chemical Effects Head Loss Test Loop Primary Reaction Chamber (Showing Clearance for Coupons)
Vertical Head Loss Column Initial Preparation Chamber Heat Exchanger Loop Loop Heating & Cooling 10
Small-Scale Bypass Test Plan-CCNPP-BPPlan-002 Sensitivity Tests
- Water Chemistry Run Fiber Type Water Chemistry Temperature
- Water Temperature 1 Nukon Tap 90°F
- Fiber Mixture 2 Cocktail Tap 90°F 3 Nukon Borated Buffer 90°F Prototypical Strainer 4 Cocktail Borated Buffer 90°F 5 Nukon Tap 180°F
- Fabricated from Similar 6 C kt il Cocktail T Tap 180°F Perforated Plate 7 Nukon Borated Buffer 180°F 8 Cocktail Borated Buffer 180°F Continuous Filtration 9 TBD TBD 135°F 10 TBD (Repeatability Test)
Section-by Section Review 11
Schedule for Future Periodic Meeting January 2014
- Chemical Effects Bench-Top Bench Top Test Results
- Final Chemical Effects Screening Test Protocol 12
