Letter Sequence Meeting |
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MONTHYEARML16202A4872016-07-21021 July 2016
07/21/2016 Talking Points, Supplemental Information for South Texas Project and NRC Public Meeting
Project stage: Request
ML16172A0192016-07-25025 July 2016
STP Aluminum Bronze Selective Leaching Public Meeting - June 21, 2016
Project stage: Meeting
ML16218A3672016-08-30030 August 2016
07/21/2016 Summary of Public Teleconference Meeting with STP Nuclear Operating Company Discussing Revisions to License Renewal Application Aluminum Bronze Selective Leaching Aging Management Program and Background Document
Project stage: Meeting
ML17017A1482017-01-24024 January 2017
Plan for the 2017 Selective Leaching of Aluminum Bronze Aging Management Program Regulatory Audit Regarding the South Texas Project, Units 1 and 2, License Renewal Application Review(Cac Nos. ME4936 and ME4937)
Project stage: Other
NOC-AE-17003441, Revised Response Request for Additional Information for the Review of the South Texas Project License Renewal Application2017-02-0909 February 2017
Revised Response Request for Additional Information for the Review of the South Texas Project License Renewal Application
Project stage: Request
ML17068A2532017-03-23023 March 2017
Extend Timeframe for the 2017 Selective Leaching of Aluminum Bronze AMP Regulatory Audit Regarding the South Texas Project, Units 1 and 2, License Renewal Application Review (CAC Nos. ME4936 and ME4937)
Project stage: Other
NOC-AE-17003454, Supplement to the License Renewal Application2017-03-30030 March 2017
Supplement to the License Renewal Application
Project stage: Supplement
NOC-AE-17003459, Supplement to the License Renewal Application Re Aging Management Programs2017-04-19019 April 2017
Supplement to the License Renewal Application Re Aging Management Programs
Project stage: Supplement
NOC-AE-17003475, Supplement to the License Renewal Application2017-05-0202 May 2017
Supplement to the License Renewal Application
Project stage: Supplement
ML17172A0142017-05-0404 May 2017
STP Response to ACRS Questions
Project stage: Other
ML17107A3192017-05-16016 May 2017
Aluminum Bronze Selective Leaching Aging Management Program Audit Report Regarding the South Texas Project, Units 1 and 2, License Renewal Application (CAC Nos. ME4936 and ME4937)
Project stage: Other
2017-03-23
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Category:Meeting Briefing Package/Handouts
MONTHYEARML24080A1292024-03-25025 March 2024
March 25, 2024, Pre-Submittal Meeting for STP QA Plan Change
ML22243A1312022-08-31031 August 2022
STP Nuclear Operating Company August 31, 2022 Presentation - Pre-Submittal Meeting for Updated Main Steam Line Break and Locked Rotor Dose Consequence Analysis to Address Extended Cooldown Timelines
ML22214A0972022-08-0202 August 2022
Presentation by South Texas Project
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Presentation - 7-26-21 Meeting with STPNOC Proposed South Texas Project Moderator Temperature Coefficient TS Change
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STP Presubmittal Meeting Exigent Accumulator LAR 2020-05-05 Presentation L-2020-LRM-0039
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Pre-Application Public Meeting for Proposed License Amendment Request to Revise the STPEGS Emergency Plan - December 3, 2019
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12/21/2016 South Texas Project Aluminum Bronze Aging Management Request for Additional Information
ML16264A3632016-09-20020 September 2016
Pre-Application Public Meeting for Proposed License Amendment Request to Revise the STPEGS Emergency Plan Staff Augmentation Times
ML16210A0442016-07-28028 July 2016
STP Nuclear Operating Company Handouts for July 28, 2016 Public Meeting on GSI-191
ML16172A0192016-07-25025 July 2016
STP Aluminum Bronze Selective Leaching Public Meeting - June 21, 2016
ML16202A4872016-07-21021 July 2016
07/21/2016 Talking Points, Supplemental Information for South Texas Project and NRC Public Meeting
ML16111A0272016-04-18018 April 2016
STP Nuclear Operating Company Slideshow for Public Meeting on April 21, 2016 for GSI-191 Resolution (CAC No. MF2400-01)
ML16062A3042016-03-0202 March 2016
TS 5.3.2 LAR Pre-Submittal Meeting Presentation - March 2, 2016
ML16033A0042016-01-19019 January 2016
Applicant's Slides for STP Meeting on Aluminum Bronze Aging Management
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10-01-15 Public Phone Call
ML15271A3042015-09-28028 September 2015
Public Phone Call Meeting Description of Supplement 2 to STPNOC Risk-Informed Licensing Application to Address GSI-191 and Respond to GL-2004-02
ML15111A0582015-04-15015 April 2015
Licensee Handouts (2 of 2) for 4/22/2015 Public Meeting Possible Roverd Section on Fixed Filtration (TAC Nos. MF2400-MF2409)
ML15111A0562015-04-15015 April 2015
Licensee Handouts (1 of 2) for 4/22/2015 Public Meeting Revised Roverd Section on Large Early Release Frequency Change for Large Break Loss-of-Coolant Accident(Tac Nos. MF2400-MF2409)
ML15056A3862015-02-25025 February 2015
NRC Slides for February 25, 2015 Public Meeting with STPNOC Concerning GSI-191
ML15049A4882015-02-18018 February 2015
Slides for February 25, 2015 Public Meeting
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Integrated Leak Rate Test (ILRT) from 10 Years to 15 Years. NRC Public Meeting Slides - ILRT License Amendment
ML15034A1142015-02-0404 February 2015
STP Risk- Informed Approach to GSI - 191 Roverd 2015 Meeting Blue 1 29 15
ML14192A9842014-08-0404 August 2014
Summary of Pre-Licensing Meeting with STP Nuclear Operating Company to Discuss Future License Amendment Request to Revise TS 6.9.1.6.b.9 to the Leading Edge Flow Meter Technology for Feedwater Flow Measurement
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4/29/2014 - South Texas Project Regulatory Approach for Risk-Informed Pilot Submittal Presentation Relating to 10 CFR 50.46c
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GSI-191 Licensing Submittal Comparison of Changes Between Rev 1 and Rev 2
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NRC Staff Slides South Texas Project Risk-Informed Generic Safety Issue - 191, December 16, 2013
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Albrz Testing Update for NRR Final
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Licensee Slides for 5/23/13 Public Meeting Regarding GSI-191
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Licensee Slides for 5/23/13 Meeting - STP Pilot Submittal for Risk Informed Approach to Resolving GSI-191
ML13023A3342013-02-25025 February 2013
1/15/2013 Summary of Public Meetings Conducted to Discuss Draft Supplemental Environmental Impact Statement Related to Review of South Texas Project, Units 1 & 2, License Renewal Application
ML13051A8552013-02-20020 February 2013
Licensee Slides for 3/5/13 Pre-Application Meeting for Proposed Licensing Action to Revise the Fire Protection Program at STP
ML13029A4972013-01-15015 January 2013
Slides - Preliminary Site-Specific Results of the Environmental Review for South Texas Project License Renewal
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Summary of Prelicensing Meeting with STP Nuclear Operating Company to Discuss Proposed Amendment for Approval of Revised Fire Protection Program Related to Alternate Shutdown Capability for South Texas, Units 1 and 2
ML12264A3202012-10-11011 October 2012
Meeting Handout for 10/11/12 Pre-licensing Meeting License Amendment Request to Revise the Fire Protection Program
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Licensee Handout on Calibration and Benchmarking of Single and Two-Phase Jet Cfd Models
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3-27-2012 - STP Public Meeting Handout from Nuclear Innovation North America, LLC on Fukushima Lessons Learned for South Texas Project Units 3 and 4
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Licensee Slides for 03/1/12 Meeting with STP Nuclear Operating Company Meeting to Discuss GSI-191
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Uncertainty Modeling of LOCA Frequencies and Break Size Distributions for the STP GSI-191 Resolution
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STP Summary of January Meeting
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Licensee Slides for 2/9/12 Meeting Regarding GSI-191
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Licensee Presentation from 12/1/11 Meeting Via Conference Call to Discuss Risk-Informed GSI-191,Assessment of Debris Accumulation on Pressurized Water Reactor Sump Performance
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Licensee Handouts from November 1, 2011 Meeting with STP Nuclear Operating Company on GSI-191
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Licensee Handouts from 10/3/11 Meeting STP LOCA Frequency
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Licensee Slides from 10/3/11 Meeting LOCA Frequencies, Final Results
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Models and Methods Used for Casa Grande
ML1123508832011-08-22022 August 2011
LOCA Initiating Event Frequencies and Uncertainties Status Report
ML1120707072011-07-26026 July 2011
Meeting Notice with South Texas Project, Units 1 and 2 - Licensee Slide Models and Methods Used for Casa Grande
ML1120707292011-07-26026 July 2011
Meeting Notice with South Texas Project, Units 1 and 2 - Licensee Slides Computational Fluid Dynamics Validation Plan
ML1118903802011-07-0707 July 2011
Licensee Slides, LOCA Initiating Event Frequencies and Uncertainties(Draft)
2024-03-25
[Table view]
Category:Slides and Viewgraphs
MONTHYEARML24080A1292024-03-25025 March 2024
March 25, 2024, Pre-Submittal Meeting for STP QA Plan Change
ML22243A1312022-08-31031 August 2022
STP Nuclear Operating Company August 31, 2022 Presentation - Pre-Submittal Meeting for Updated Main Steam Line Break and Locked Rotor Dose Consequence Analysis to Address Extended Cooldown Timelines
ML22214A0972022-08-0202 August 2022
Presentation by South Texas Project
ML22153A2942022-06-17017 June 2022
richardsd-hv-th28
ML21203A2702021-07-26026 July 2021
Presentation - 7-26-21 Meeting with STPNOC Proposed South Texas Project Moderator Temperature Coefficient TS Change
ML20248H5322020-09-0404 September 2020
STP Nuclear Operating Company September 14, 2020, Presentation - Pre-Submittal Meeting for Proposed South Texas Project Moderator Temperature Coefficient Surveillance Requirement Technical Specification Change
ML20125A3362020-05-0404 May 2020
STP Presubmittal Meeting Exigent Accumulator LAR 2020-05-05 Presentation L-2020-LRM-0039
ML20034E8192020-02-0606 February 2020
Pre-Application Public Meeting for Proposed License Amendment Request to Revise the STPEGS Emergency Plan
ML19095A6562019-04-0404 April 2019
NRR E-mail Capture - (External_Sender) Handout for 4/10/19 Meeting to Discuss a Proposed Request for South Texas Project, Units 1 and 2, Regarding Repair of Piping Using Carbon Fiber Repair Methods
ML17004A0292017-01-0404 January 2017
Slides for January 4, 2017, Public Meeting on South Texas Project's Resposne to Aluminum Bronze Aging Management Request for Additional Information
ML16356A0612016-12-21021 December 2016
12/21/2016 South Texas Project Aluminum Bronze Aging Management Request for Additional Information
ML16350A3272016-11-17017 November 2016
Transcript of Advisory Committee on Reactor Safeguards Plant License Renewal Subcommittee Meeting - November 17, 2016
ML16264A3632016-09-20020 September 2016
Pre-Application Public Meeting for Proposed License Amendment Request to Revise the STPEGS Emergency Plan Staff Augmentation Times
ML16172A0192016-07-25025 July 2016
STP Aluminum Bronze Selective Leaching Public Meeting - June 21, 2016
ML16188A3682016-07-0606 July 2016
Audit Presentation - Westinghouse Methodology for South Texas Unit 1 LAR: Operation with 56 Control Rods
ML16062A3042016-03-0202 March 2016
TS 5.3.2 LAR Pre-Submittal Meeting Presentation - March 2, 2016
ML16033A0042016-01-19019 January 2016
Applicant's Slides for STP Meeting on Aluminum Bronze Aging Management
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TS 5 3 2 Emergency LAR Pre-Submittal Meeting Presentation
ML15274A5992015-10-0101 October 2015
10-01-15 Public Phone Call
ML15034A1512015-02-0505 February 2015
Integrated Leak Rate Test (ILRT) from 10 Years to 15 Years. NRC Public Meeting Slides - ILRT License Amendment
ML15034A1142015-02-0404 February 2015
STP Risk- Informed Approach to GSI - 191 Roverd 2015 Meeting Blue 1 29 15
ML14192A9842014-08-0404 August 2014
Summary of Pre-Licensing Meeting with STP Nuclear Operating Company to Discuss Future License Amendment Request to Revise TS 6.9.1.6.b.9 to the Leading Edge Flow Meter Technology for Feedwater Flow Measurement
ML14149A0892014-05-21021 May 2014
NRR E-mail Capture - STP-GSI-191 Presentation
ML14120A0112014-04-29029 April 2014
4/29/2014 - South Texas Project Regulatory Approach for Risk-Informed Pilot Submittal Presentation Relating to 10 CFR 50.46c
ML13352A1422013-12-16016 December 2013
GSI-191 Licensing Submittal Comparison of Changes Between Rev 1 and Rev 2
ML13352A1242013-12-16016 December 2013
NRC Staff Slides South Texas Project Risk-Informed Generic Safety Issue - 191, December 16, 2013
ML13316B9052013-11-13013 November 2013
Albrz Testing Update for NRR Final
ML13150A2162013-05-23023 May 2013
Licensee Slides for 5/23/13 Public Meeting Regarding GSI-191
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Licensee Slides for 5/23/13 Meeting - STP Pilot Submittal for Risk Informed Approach to Resolving GSI-191
ML13023A3342013-02-25025 February 2013
1/15/2013 Summary of Public Meetings Conducted to Discuss Draft Supplemental Environmental Impact Statement Related to Review of South Texas Project, Units 1 & 2, License Renewal Application
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Licensee Slides for 3/5/13 Pre-Application Meeting for Proposed Licensing Action to Revise the Fire Protection Program at STP
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Slides - Preliminary Site-Specific Results of the Environmental Review for South Texas Project License Renewal
ML12297A3312012-11-27027 November 2012
Summary of Prelicensing Meeting with STP Nuclear Operating Company to Discuss Proposed Amendment for Approval of Revised Fire Protection Program Related to Alternate Shutdown Capability for South Texas, Units 1 and 2
ML12264A3202012-10-11011 October 2012
Meeting Handout for 10/11/12 Pre-licensing Meeting License Amendment Request to Revise the Fire Protection Program
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3-27-2012 - STP Public Meeting Handout from Nuclear Innovation North America, LLC on Fukushima Lessons Learned for South Texas Project Units 3 and 4
ML1204400652012-02-0909 February 2012
Licensee Slides for 2/9/12 Meeting Regarding GSI-191
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Licensee Presentation from 12/1/11 Meeting Via Conference Call to Discuss Risk-Informed GSI-191,Assessment of Debris Accumulation on Pressurized Water Reactor Sump Performance
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Licensee Handouts from November 1, 2011 Meeting with STP Nuclear Operating Company on GSI-191
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Licensee Slides from 10/3/11 Meeting LOCA Frequencies, Final Results
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Licensee Handouts from 10/3/11 Meeting STP LOCA Frequency
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LOCA Initiating Event Frequencies and Uncertainties Status Report
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Meeting Notice with South Texas Project, Units 1 and 2 - Licensee Slide Models and Methods Used for Casa Grande
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1/27/11 Presentation on Risk-Informed GSI-191 Project Overview
2024-03-25
[Table view] |
Text
STPAluminumBronzePublicMeetingStaffQuestionsonAMPJune21,201618 Introduction
- Thispresentationsummarizescomments/questionsonAMPB2.1.37,"SelectiveLeachingofAluminumBronze."*Comments/questionsareorganizedinaccordancewiththeStandardReviewPlanforLicenseRenewal,AppendixA.1.2.3,"AgingManagementProgramElements."
18 ScopeofProgramProgramstatesthatextrudedteeswithweldrepairswillbereplacedifitisdeterminedthat"therepairsizeissuchthatfailureoftherepairwouldaffectstructuralintegrityofthecomponent."*Duringtheaudit,theapplicantstatedthatweldrepairsizewasnotknownforalloftheaffectedtees.
- Staffneedstounderstandhowthestructuraldeterminationwillbemadeintheabsenceofthisdetail.18 PreventiveActions*Documentwhichportionsoftheburiedessentialcoolingwatersystemarecoated.*Citethecoatingasapreventiveaction-orcitesoilasanapplicableenvironment.*Thestatementsonaluminumbronzecastingsandextrudedpipingteesneednotberepeatedinthisprogramelement.18 ParametersMonitoredorInspected
- TheAMPshouldconsistentlycitethefollowingparameters:
-Lossofmaterial(agingeffect)[sometimesreferredtoasselectiveleachinginAMP]-Cracking(agingeffect)-Phasedistribution(indirectmeasureofthepotentialforcontinuousdealloying)
- 4thparagraphstatesthatOEhasshownthatcertainweldsare"notsusceptibletocrackingcausedbyselectiveleaching."
-OEonlydemonstratesthattherearenothroughwallindications 18 DetectionofAgingEffectsBuriedpipeinspectionswhenpipeisexposed:*Whatisthemethodofinspection?
- Istheinspectionconductedoninternal,external,orbothsurfaces?
18 DetectionofAgingEffectscont.WeldwithNoBackingRings*Staffbelievesthatvolumetricinspectionsshoulddemonstratenocrackingaccompaniedbydealloying.
- Volumetricinspections,onetimeinspectionof3%oftheweldswithamaximumof10welds.-AMPXI.M32,"OneTimeInspection,"recommends20%withamaximumof25.PriortoPEO.-QuantityisinconsistentwithGALLReportrecommendations.
- Programstatesthat,"[i]frejectableweldflaws,"aredetected,inspectionswillbecomeperiodicinlieuofonetime.-Howmanyweldflawswillittaketotransitiontoperiodicinlieuofonetimeinspections?
18 DetectionofAgingEffectscont.WeldwithBackingRings*Staffbelievesthatvolumetricinspectionsshoulddemonstratenocrackingaccompaniedbydealloying.
- Periodicinspectionof20%oftheweldswithamaximumof25welds*Programstates,"ifnowelddefectsarefound"thenumberofinspectionswillbereducedto3%withamaximumof10welds.-Howmanyweldflawswillittaketonottransitiontothereducednumberofinspections?
18 DetectionofAgingEffectscont.DestructiveExaminations*Staffbelievesthatexaminationsaretodemonstrate:
-forweldswithoutbackingrings,nolossofmaterialduetouniformorpluglikedealloying,aphasedistributionthatsupportsthebasisdocument,andnocrackingaccompaniedwithdealloying-forweldswithbackingrings,nolossofmaterialduetouniformorpluglikedealloying,aphasedistributionthatsupportsthebasisdocument,andthefrequencyofoccurrenceofcrackingaccompaniedwithdealloying
- Theprogramstatesthattwoweldswithbackingringswillbedestructivelyexamined.
-AMPXI.M32recommends20%withamaximumof25.*Staffbelievesthatweldswithbackingringsandweldswithoutbackingringsaretwoseparatepopulations
-Backingrings-creviceforselectiveleaching-Withoutbackingrings-lessdilutionandlongercoolingperiodinrootweld18 DetectionofAgingEffectscont.InspectionLocationsProgramstatesthatinspectionlocationswillberandomlyselected.
- Staffbelievesthatinspectionlocationscanberandom.*Locationsshouldberepresentativeofrangeandquantityofweldsizes.InspectionTimingProgramisnotclearonwhetheronetimeinspectionsoccurpriortoPEO.*Periodicinspectionof20%oftheweldswithamaximumof25weldsif"rejectableweldflaws-."aredetected.-"Performedevery10yearsthereafter."
18 MonitoringandTrending*Thestaffrecognizesthatquantitativeresultswillnotbeobtainedbytheplannedvolumetricanddestructiveinspections/examinations.
- Withouttrending,inspectionresultswouldbe"buried"inthecorrectiveactionprogram.*Thestaffneedstounderstandwhytheresultsofthevolumetricanddestructiveinspectionswillnotbecompiled(trended)andthecompiledresultsevaluated.*Thestaffneedstounderstandwhytheresultsofthewalkdownswillnotbetrended.18 AcceptanceCriteriaTheAMPstatesthattheacceptancecriteriaforweldsisnodefects:*A/Cforvolumetricexaminationsis,nodefects.*Parametersmonitoredorinspectedprogramelementstates,"Ifrejectableweldflaws(welddefects)perASMESectionIX-."-Programisunclearinthatitaddressesflawsanddefects.-WhyisSectionIXcited?-CitingSectionIIIcouldleadtononconsequential(fordealloying)defects(e.g.,concavitywithweldsizeslightlyunderthickness(suckback),roundedindications>5/32",inadequatepenetration).
-CitingSectionIIIcouldleadtoanalyticalresolutionthatadefectisclassifiedasaflaw.*Describethespecificcriteriafordeclaringthatanindicationinaweldisrejectable.
18 AcceptanceCriteriacont.*Thereisnoacceptancecriteriaforthedestructiveexaminations.
- Whyistherenoacceptancecriteriaforthedetectionofpluglikeoruniformdealloying?
- Whyistherenoacceptancecriteriaforburiedpipecoatings?
18 CorrectiveActionsExpansionofExaminations
- AMPstatesthateachweldfoundtohavedefectswillresultinfiveadditionalvolumetricexaminationsuntilnoadditionalwelddefectsaredetected.
- Willexpansionofinspectionsbeconductedifabovegroundleaksaredetected?
-Leaksshouldnotbedetectedoncecastingsarereplaced,regardlessoftheuseofbackingrings.-Whattypeofexpandedinspectionwillbeconductedifleaksaredetected(e.g.,volumetric,destructive).
- Whatcorrectiveactionswilloccurifdealloyingisdetectedinweldswithoutbackingrings?*Forweldswithbackingrings,whatcorrectiveactionswilloccurdependingonthefrequencyofoccurrenceofcrackingaccompaniedwithdealloying?
18 CorrectiveActionscont.ExpansionofExaminations
- AMPstatesthatifburiedpipeleakisdetected,"asectionofeachleakingpipeweldwillberemovedfordestructiveexamination."
-Willanexpansionofinspectionsbeconducted?
- Willexpansionofdestructiveexaminationsbeconductedifacceptancecriteriafordestructiveexaminationsisnotmet?*Correctiveactionsforthedetectionofpluglikeoruniformdealloying?
- Correctiveactionsforburiedpipecoatingdefects?18 BasisDocument*Enclosure1,page54,Table12-Whyisthe30inch,dischargesidetee(withamarginof1.01ofallowablelengthtoleaklength)acceptableforserviceinthePEO?*Enclosure1,page53,Table11-Walkthroughhowthistablewasdeveloped.
-Whywastheunintensifiedbendingstressused?*Enclosure1,Table1-ReviewinstancesofOEwhereindicationswere:*"nearandparalleltothebuttweld"page21*"alongalineontheflangenecknearthebuttweld"page22*"nearthebuttweld"page2318 EditorialComments*Theperiodicwalkdownofabovegroundweldlocationsshouldbecitedinthe"parametersmonitoredorinspected"programelement.*Theperiodicwalkdownofyardareastodetectburiedpipeleaksshouldbecitedinthe"parametersmonitoredorinspected"programelement.*Programstatesthattheenvironmentisrawwater;however,soilshouldalsobecited,unlesscoatingscredited.
- Firstenhancementstatesthataluminumbronzecastingswillbereplaced;however,itisdoesnotstatethatthereplacementmaterialwillnotbesusceptibletoselectiveleaching.
- Correctiveactionsprogramstates,"leakfromaburiedpipeweld."Itshouldbemadeclearthattheweldcouldbe:(a)tononsusceptiblepipe,(b)tosusceptiblecastcomponents,or(c)therepairweldinanextrudedtee.ThisshouldbemadeclearthroughouttheAMP.18 Summary/Wrapup18
