Letter Sequence Response to RAI |
|---|
CAC:MF8260, (Approved, Closed) EPID:L-2016-LLA-0007, Enclosure 3 - Licensee'S Presentation-Seabrook Station, License Amendment Request 16-03 ASR Structural Evaluation Methodology (Approved, Closed) |
Initiation
- Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request
- Acceptance, Acceptance
Results
Other: ML17199T383, ML17283A040, ML18135A046, ML18204A242, ML18353A954, ML19044A768, ML19058A216, NRC-2019-0075, Federal Register Notice - License Amendment; Issuance (CAC No. MF8260; EPID L-2016-LLA-0007), SBK-L-16013, License Renewal Application Relating to the Alkali-Silica Reaction Monitoring Program, SBK-L-16181, License Renewal Application Relating to the Alkali-Silica Reaction Monitoring Program, SBK-L-17101, Update to Reply to a Notice of Violation; EA-16-101 Corrective Action Plan
|
MONTHYEARSBK-L-16013, License Renewal Application Relating to the Alkali-Silica Reaction Monitoring Program2016-08-0909 August 2016
License Renewal Application Relating to the Alkali-Silica Reaction Monitoring Program
Project stage: Other
ML16258A0222016-09-19019 September 2016
Supplemental Information Needed for Acceptance of Requested Licensing Action Alkali-Silica Reaction
Project stage: Acceptance Review
ML16265A4402016-10-12012 October 2016
Acceptance of Requested Licensing Action Alkali-Silica Reaction
Project stage: Acceptance Review
SBK-L-16181, License Renewal Application Relating to the Alkali-Silica Reaction Monitoring Program2016-12-23023 December 2016
License Renewal Application Relating to the Alkali-Silica Reaction Monitoring Program
Project stage: Other
SBK-L-17101, Update to Reply to a Notice of Violation; EA-16-101 Corrective Action Plan2017-06-16016 June 2017
Update to Reply to a Notice of Violation; EA-16-101 Corrective Action Plan
Project stage: Other
ML17199T3832017-07-26026 July 2017
Site Visit Report Regarding Regulatory Audit for Alkali Silica Reaction License Amendment Request
Project stage: Other
ML17214A0852017-08-0404 August 2017
Request for Additional Information Regarding License Amendment Request Related to Alkali-Silica Reaction
Project stage: RAI
ML17283A0412017-08-24024 August 2017
Enclosure 3 - Licensee'S Presentation-Seabrook Station, License Amendment Request 16-03 ASR Structural Evaluation Methodology
Project stage: Request
SBK-L-17156, Response to Request for Additional Information Regarding License Amendment Request 16-03 Related to Alkali-Silica Reaction2017-10-0303 October 2017
Response to Request for Additional Information Regarding License Amendment Request 16-03 Related to Alkali-Silica Reaction
Project stage: Response to RAI
SBK-L-17155, Supplement 58 - Response to Request for Additional Information for the Review of the License Renewal Application - Building Deformation Analyses Related to Concrete Alkali-Silica Reaction2017-10-0303 October 2017
Supplement 58 - Response to Request for Additional Information for the Review of the License Renewal Application - Building Deformation Analyses Related to Concrete Alkali-Silica Reaction
Project stage: Response to RAI
ML17283A0402017-10-10010 October 2017
Enclosure 2 - Nrc'S Presentation Slides-Seabrook Station, License Amendment Request, Stage 3 Methodology
Project stage: Other
ML17261B2172017-10-11011 October 2017
Request for Additional Information Regarding License Amendment Request Related to Alkali-Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: RAI
ML17278A7482017-10-13013 October 2017
Summary of August 24, 2017, Meeting with NextEra Energy Regarding License Amendment Request on Alkali Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Meeting
ML17310A1142017-10-17017 October 2017
La - (External_Sender) Name Correction: Summary of August 24, 2017, Meeting with NextEra Energy Regarding License Amendment Request on Alkali Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Meeting
ML17310B5402017-11-0303 November 2017
La - (External_Sender) SBK-L-17180 Supplement 58 - Revised Alkali-Silica Reaction Aging Management Program
Project stage: Request
SBK-L-17180, Supplement 58, Revised Alkali-Silica Reaction Aging Management Program2017-11-0303 November 2017
Supplement 58, Revised Alkali-Silica Reaction Aging Management Program
Project stage: Request
ML17341A0622017-11-17017 November 2017
NextEra Energy Seabrook Presentation Slides - Seabrook Station ASR Methodology LAR: Structural Deformation - LAR 16-03, Methodology and Responses to Rais D2-D8 - for November 17, 2017, Public Meeting
Project stage: Response to RAI
SBK-L-17204, Response to Request for Additional Information Regarding License Amendment Request Related to Alkali-Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)2017-12-11011 December 2017
Response to Request for Additional Information Regarding License Amendment Request Related to Alkali-Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Response to RAI
ML17340A1862017-12-14014 December 2017
Summary of November 17, 2017, Meeting with NextEra Energy Regarding License Amendment Request on Alkali Silica Reaction - Requests for Additional Information (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: RAI
ML18102A0972018-04-12012 April 2018
Commission Memorandum and Order CLI-18-04
Project stage: Request
SBK-L-18072, Revised Structures Monitoring Aging Management Program2018-05-18018 May 2018
Revised Structures Monitoring Aging Management Program
Project stage: Request
ML18135A0462018-05-21021 May 2018
Site Visit Report Regarding Regulatory Audit for License Amendment Request Alkali Silica Reaction License Amendment Request and License Renewal Alkali-Silica Reaction Aging Management Program Review (CAC No. MF8260; EPID L-2016-LLA-007)
Project stage: Other
SBK-L-18074, Response to Request for Additional Information Regarding License Amendment Request 16-032018-06-0707 June 2018
Response to Request for Additional Information Regarding License Amendment Request 16-03
Project stage: Response to RAI
ML17088A6742018-08-17017 August 2018
Request for Withholding Information from Public Disclosure
Project stage: Withholding Request Acceptance
ML18271A0692018-09-28028 September 2018
Attachment 2 NRC Staff Draft Safety Evaluation (Non-Proprietary)
Project stage: Request
ML18226A2052018-09-28028 September 2018
Redacted, Submission of Alkali-Silica Reaction License Amendment Request Draft Safety Evaluation to Support Advisory Committee on Reactor Safeguards Review of Seabrook License Renewal (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Draft Approval
ML18348A9512018-12-14014 December 2018
License Renewal Application: Review of Licensee Program Addressing Alkali-Silica Reaction
Project stage: Approval
ML18353A9542018-12-19019 December 2018
Report on the Safety Aspects of the License Renewal Application for the Seabrook Station, Unit 1
Project stage: Other
ML19011A3562019-01-11011 January 2019
Board Notification
Project stage: Request
ML19022A4002019-01-22022 January 2019
NRC Staff Board Notification
Project stage: Request
ML19044A7682019-02-13013 February 2019
Emergency Petition by C-10 Research and Education Foundation for Exercise of Commission'S Supervisory Authority to Reverse No Significant Hazards Determination and Immediately Suspend License Amendment and License Renewal Decisions
Project stage: Other
ML19042A1102019-02-13013 February 2019
Presentation Slides - 2019 Seabrook Public Meeting
Project stage: Request
ML19050A4602019-02-13013 February 2019
Handouts from the Public at the February 13, 2019, Seabrook ASR Public Meeting
Project stage: Meeting
ML19050A3202019-02-13013 February 2019
Package from Stephen B. Comley, Sr. at February 13, 2019 Seabrook Station, Unit 1, Public Meeting
Project stage: Request
ML19056A4772019-02-13013 February 2019
Transcript of Public Meeting on the Seabrook Alkali Silica Reaction (ASR) License Amendment Request and License Renewal Application, February 13, 2019, Pages 1-158
Project stage: Meeting
ML19056A5882019-02-25025 February 2019
NRC Staff Answer to C-10's Emergency Petition
Project stage: Request
ML19056A5862019-02-25025 February 2019
Nextera'S Answer Opposing C-10 Emergency Petition
Project stage: Request
ML19046A3832019-02-26026 February 2019
Meeting Summary of February 13, 2019, Public Meeting in Hampton, New Hampshire Alkali-Silica Reaction License Amendment Request and License Renewal Application
Project stage: Meeting
ML19057A3832019-03-0404 March 2019
Renewal of Full-Power Operating License for Seabrook Station, Unit No. 1
Project stage: Request
ML19058A2162019-03-0404 March 2019
Update to Proposed Issuance of a Final No Significant Hazards Consideration Determination and License Amendment Regarding Which a Hearing Has Been Requested (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Other
ML19015A1832019-03-11011 March 2019
Notice of Issuance of License Amendment to Facility Operating License No. NPF-86 (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Approval
ML18204A2912019-03-11011 March 2019
Issuance of Amendment No. 159 Methodology for Analysis of Seismic Category I Structures with Concrete Affected by Alkali-Silica Reaction
Project stage: Approval
ML18204A2422019-03-12012 March 2019
Federal Register Notice - License Amendment; Issuance (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Other
NRC-2019-0075, Federal Register Notice - License Amendment; Issuance (CAC No. MF8260; EPID L-2016-LLA-0007)2019-03-12012 March 2019
Federal Register Notice - License Amendment; Issuance (CAC No. MF8260; EPID L-2016-LLA-0007)
Project stage: Other
ML19205A3942019-07-24024 July 2019
NRC046 - Summary of August 24, 2017, Meeting with NextEra Energy Regarding License Amendment Request on Alkali Silica Reaction (CAC No. MF8260; EPID l-2016-lla-0007) (Oct. 13, 2017)
Project stage: Meeting
ML20318A0032020-11-24024 November 2020
Issuance of Revised Page for Renewed Facility Operating License Atomic Safety and Licensing Board Decisions LBP-20-09 and LBP-20-12
Project stage: Approval
2018-12-14
[Table View] |
|
|---|
Category:Meeting Briefing Package/Handouts
MONTHYEARML23177A1142023-06-26026 June 2023
Annual Assessment Meeting Reactor Oversight Process 2023
ML23066A2472023-03-0707 March 2023
Presubmittal Meeting Slides for March 7, 2023, Public Meeting
ML22146A3472022-02-23023 February 2022
Slides - Pre-Submittal Meeting for February 23 with Nextera Energy Seabrook, LLC Regarding Planned Submittal of License Amendment Request to Update Pressure-Temperature Limits Curves Period of Applicability
ML20161A0812020-06-0303 June 2020
Annual Assessment Meeting June 3, 2020 Slides
ML19050A4602019-02-13013 February 2019
Handouts from the Public at the February 13, 2019, Seabrook ASR Public Meeting
ML18136A4822018-05-0202 May 2018
Annual Assessment Meeting 05-02-2018 Presentation
ML17341A0622017-11-17017 November 2017
NextEra Energy Seabrook Presentation Slides - Seabrook Station ASR Methodology LAR: Structural Deformation - LAR 16-03, Methodology and Responses to Rais D2-D8 - for November 17, 2017, Public Meeting
ML17278A7482017-10-13013 October 2017
Summary of August 24, 2017, Meeting with NextEra Energy Regarding License Amendment Request on Alkali Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)
ML17283A0402017-10-10010 October 2017
Enclosure 2 - Nrc'S Presentation Slides-Seabrook Station, License Amendment Request, Stage 3 Methodology
ML17283A0412017-08-24024 August 2017
Enclosure 3 - Licensee'S Presentation-Seabrook Station, License Amendment Request 16-03 ASR Structural Evaluation Methodology
ML17164A2712017-06-0707 June 2017
Presentation Slides for Annual Assessment Meeting 2017
ML17129A3942017-05-0909 May 2017
Status of Safety Review of Seabrook License Renewal for May 9, 2017, Public Meeting on ASR in Seabrook LRA
ML17129A3842017-05-0909 May 2017
NextEra Presentation at May 9, 2017, Public Meeting Re ASR in License Renewal
ML16176A0542016-06-21021 June 2016
6/21/2016 - Seabrook Station Annual Assessment Meeting - NRC Presentation Slides (Assessment and ASR Update)
ML16146A2002016-04-28028 April 2016
License Renewal Application, April 28, 2016, Public Meeting NextEra Presentation
ML15176A5012015-06-18018 June 2015
Aam Attendance List for June 18, 2015
ML13357A0462013-12-23023 December 2013
Update on ASR
ML13357A0412013-12-23023 December 2013
Public Meeting on Seabrook Station Testing Program
ML13357A0432013-12-23023 December 2013
ASR at Seabrook Station Update on Testing Program
ML14023A7212013-12-18018 December 2013
No More Fukushima Statement for NRC Public Meeting on Dec 18, 2013
ML13133A2492013-05-29029 May 2013
Slides from May 9, 2013, Meeting with NextEra Energy Seabrook, LLC on Pre-Submittal of a Fixed Incore Detector License Amendment Request
ML13066A4882013-03-21021 March 2013
Summary of Meeting Held on February 21, 2013, Between the NRC and NextEra Energy Seabrook, LLS Regarding License Renewal Application, Seabrook Station
ML12356A0432012-12-11011 December 2012
Safety Implications and Status of ASR Condition - Public Meeting on 12/11/2012
ML12132A3442012-05-11011 May 2012
NRC-AERB Bilateral Meeting Slide Presentation (Nro/De), Aerb, India - May 16-17, 2012
ML12131A4312012-05-10010 May 2012
Aam ROP-12 Slides-Safety Performance & Alkali-Silica Reaction - r9 Revised Format
ML1204402842012-02-16016 February 2012
Public Meeting Construction Experiences - Evaluate Impact of Concrete Degradation
ML12026A4592012-01-26026 January 2012
EDG Ifr
ML11343A4482011-12-0909 December 2011
NextEra Drop in Meeting Summary and Slides from 11-14-2011 Meeting with Region-I
ML11259A0022011-09-15015 September 2011
Meeting Slides Preliminary Site-Specific Results of the License Renewal Environmental Review for Seabrook Station.
ML1116500382011-06-0808 June 2011
Aam Slides, June 8, 2011
ML1108206992011-03-22022 March 2011
3/22/11 Revised Pre-application Meeting Slides Regarding NFPA 805 License Amendment Request
ML1022205712010-08-10010 August 2010
License Renewal Process Overview and Scoping Public Meeting Slides
ML1013901282010-05-17017 May 2010
License Renewal Overview Presentation for Seabrook Station
ML0910604982009-04-30030 April 2009
NRC Slides for Annual Assement Meeting, 4/30/09
ML0809300252008-04-0202 April 2008
NRC Slides - Seabrook Aam 2008
ML0708001192007-03-21021 March 2007
Slides, End of the Presentation, from Seabrook Station Annual Assessment Meeting for EOC 2006-07
ML0608202482006-03-23023 March 2006
NRC Slides for Public Meeting with FPL Seabrook to Discuss Cy 2005 Performance
ML0603805612006-02-0606 February 2006
Meeting with FLP, Meeting Handouts, Proposed Submittal to Adopt Quality Assurance Topical Report
ML0727105482005-12-16016 December 2005
Measurement Uncertainty Recapture Fple/Caldon - NRC Meeting
ML0512201092005-04-22022 April 2005
Slides & Handouts from Meeting with FPL Energy Seabrook, LLC, Regarding Implementation of Technical Specification 3/4.8.1.1
ML0507302062005-03-14014 March 2005
NRC Slides for Public Meeting of Seabrook Station Annual Assessment
ML0414201102004-05-20020 May 2004
Public Meeting Handouts Re Power Uprate License Amendment Request for Seabrook Station Unit No. 1
ML0406304312004-03-0303 March 2004
Powerpoint Presentation Slides for Meeting with Florida Power & Light Company Regarding Planned Power Uprate Request for Seabrook Station, Unit No. 1
ML0317404312003-06-12012 June 2003
Sign in Sheet
ML0232601592002-11-14014 November 2002
Meeting Handout, Seabrook Steam Generator Tube Assessment Project
2023-06-26
[Table view]
Category:Slides and Viewgraphs
MONTHYEARML23177A1142023-06-26026 June 2023
Annual Assessment Meeting Reactor Oversight Process 2023
ML23066A2472023-03-0707 March 2023
Presubmittal Meeting Slides for March 7, 2023, Public Meeting
ML22130A1282022-05-10010 May 2022
Annual Assessment Meeting for Seabrook Station - NRC Presentation Slides
ML22146A3472022-02-23023 February 2022
Slides - Pre-Submittal Meeting for February 23 with Nextera Energy Seabrook, LLC Regarding Planned Submittal of License Amendment Request to Update Pressure-Temperature Limits Curves Period of Applicability
ML21168A1452021-06-22022 June 2021
Annual Assessment Meeting Slides
ML20161A0812020-06-0303 June 2020
Annual Assessment Meeting June 3, 2020 Slides
ML19042A1102019-02-13013 February 2019
Presentation Slides - 2019 Seabrook Public Meeting
ML18136A4822018-05-0202 May 2018
Annual Assessment Meeting 05-02-2018 Presentation
ML18086A7742018-02-21021 February 2018
LOR Program Biennial Inspection 71111.11B Exam Overlap Issues
ML17341A0622017-11-17017 November 2017
NextEra Energy Seabrook Presentation Slides - Seabrook Station ASR Methodology LAR: Structural Deformation - LAR 16-03, Methodology and Responses to Rais D2-D8 - for November 17, 2017, Public Meeting
ML17310B2322017-11-0707 November 2017
Presentation Slides - NextEra Energy/Fpl - GSI-191 Issue Resolution, Pre-submittal Meeting, September 20, 2017
ML17278A7482017-10-13013 October 2017
Summary of August 24, 2017, Meeting with NextEra Energy Regarding License Amendment Request on Alkali Silica Reaction (CAC No. MF8260; EPID L-2016-LLA-0007)
ML17283A0402017-10-10010 October 2017
Enclosure 2 - Nrc'S Presentation Slides-Seabrook Station, License Amendment Request, Stage 3 Methodology
ML17283A0412017-08-24024 August 2017
Enclosure 3 - Licensee'S Presentation-Seabrook Station, License Amendment Request 16-03 ASR Structural Evaluation Methodology
ML17164A2712017-06-0707 June 2017
Presentation Slides for Annual Assessment Meeting 2017
ML16176A0542016-06-21021 June 2016
6/21/2016 - Seabrook Station Annual Assessment Meeting - NRC Presentation Slides (Assessment and ASR Update)
ML16168A4122016-06-15015 June 2016
Slides for Public Meeting with NextEra Energy Regarding Seabrook Station ASR License Amendment
ML16146A2002016-04-28028 April 2016
License Renewal Application, April 28, 2016, Public Meeting NextEra Presentation
ML14190B0432014-07-0909 July 2014
Annual Assessment Meeting Performance Slides - June 24 2014
ML13357A0412013-12-23023 December 2013
Public Meeting on Seabrook Station Testing Program
ML13357A0432013-12-23023 December 2013
ASR at Seabrook Station Update on Testing Program
ML13357A0462013-12-23023 December 2013
Update on ASR
ML13133A2492013-05-29029 May 2013
Slides from May 9, 2013, Meeting with NextEra Energy Seabrook, LLC on Pre-Submittal of a Fixed Incore Detector License Amendment Request
ML13066A4882013-03-21021 March 2013
Summary of Meeting Held on February 21, 2013, Between the NRC and NextEra Energy Seabrook, LLS Regarding License Renewal Application, Seabrook Station
ML12356A0432012-12-11011 December 2012
Safety Implications and Status of ASR Condition - Public Meeting on 12/11/2012
ML12236A3852012-08-23023 August 2012
Memo Summary of NextEra Energy Seabrook Drop in Visit and Slides, August 22, 2012
ML12132A3442012-05-11011 May 2012
NRC-AERB Bilateral Meeting Slide Presentation (Nro/De), Aerb, India - May 16-17, 2012
ML12131A4312012-05-10010 May 2012
Aam ROP-12 Slides-Safety Performance & Alkali-Silica Reaction - r9 Revised Format
ML1211604142012-04-23023 April 2012
Structural Assessment of Seabrook Station - Role of Concrete Material Testing
ML1204402842012-02-16016 February 2012
Public Meeting Construction Experiences - Evaluate Impact of Concrete Degradation
ML12026A4592012-01-26026 January 2012
EDG Ifr
ML11343A4482011-12-0909 December 2011
NextEra Drop in Meeting Summary and Slides from 11-14-2011 Meeting with Region-I
SBK-L-11190, Supplement to Request for Closed Meeting to Discuss Proprietary Test2011-09-19019 September 2011
Supplement to Request for Closed Meeting to Discuss Proprietary Test
ML11259A0022011-09-15015 September 2011
Meeting Slides Preliminary Site-Specific Results of the License Renewal Environmental Review for Seabrook Station.
ML1116500382011-06-0808 June 2011
Aam Slides, June 8, 2011
ML12054A6412011-05-24024 May 2011
Concrete Degradation - Alkali Silica Reaction, W/Handwritten Notes
ML1108206992011-03-22022 March 2011
3/22/11 Revised Pre-application Meeting Slides Regarding NFPA 805 License Amendment Request
ML1022205712010-08-10010 August 2010
License Renewal Process Overview and Scoping Public Meeting Slides
ML1019703702010-07-19019 July 2010
License Renewal Process Overview
ML1013901282010-05-17017 May 2010
License Renewal Overview Presentation for Seabrook Station
ML1011004582010-04-20020 April 2010
NRC Slides for Seabrook Annual Assessment Meeting, April 14, 2010
ML0927403042009-09-22022 September 2009
NextEra Letter and Slide Presentation to NRC Seabrook Regulatory Conference, Dated 9/22/09
ML0910604982009-04-30030 April 2009
NRC Slides for Annual Assement Meeting, 4/30/09
ML0809300252008-04-0202 April 2008
NRC Slides - Seabrook Aam 2008
ML0710002082007-03-29029 March 2007
Aam Slides for EOC 2006-07
ML0708001192007-03-21021 March 2007
Slides, End of the Presentation, from Seabrook Station Annual Assessment Meeting for EOC 2006-07
ML0727105992006-06-0505 June 2006
Viewgraphs of Use of Ultrasonic Flow Measurement to Determine Reactor Power
ML0727106062006-06-0505 June 2006
Viewgraphs of Use of Ultrasonic Flow Measurement to Determine Reactor Power
ML0608202482006-03-23023 March 2006
NRC Slides for Public Meeting with FPL Seabrook to Discuss Cy 2005 Performance
ML0601300312005-12-16016 December 2005
Meeting Slides, Measurement Uncertainty Recapture Fple/Caldon - NRC Meeting December 16, 2005
2023-06-26
[Table view] |
Text
LAR16-03MethodologyandResponsestoRAIsD2-D8November17,2017SeabrookStationASRMethodologyLAR:StructuralDeformation 2ThefoundationforeverythingwedoaretheValuesandCorePrinciplesofourNuclearExcellenceModel 3*NextEraEnergySeabrook-KenBrowneLicensingManager-JeffSobotkaDesignEngineeringManager-EdCarleyEngineeringSupervisor-JaclynHulbertEngineer-ASRProgramOwner
- SimpsonGumpertzandHeger-Dr.SaidBolourchiSeniorPrincipal-Dr.AndrewSarawitSeniorProjectManager
- MPR-JohnSimonsGeneralManager 4OverviewofMethodologyDocument*Provides-AnalysisandevaluationapproachforallSeismicCategoryIstructuresandallstages.-Sufficientdetailsprovidedforconsistentapplicationandrepeatabilityforallthreestagesofanalyses.-AcceptancebasedonmeetingtheCodesofrecordassupplemented.-SupplementstotheCodeswithjustifications.-Monitoringparametersandthresholdlimits.-ActionswhenASRdeformationsapproachlimits.*Allowsknowledgeablestructuralengineerstoimplementmethodologyinaconsistentandrepeatablemanner.
5ASREvaluationProcessLicenseAmendmentRequestMethodologyDocumentStructuralAnalysis&EvaluationThresholdLimits*Stage1,2,and3analyses*Materialproperties*RepeatableprocessforStage1,2,and3analyses*Demandcalculations*ComplianttoACI318-71andASMECodeassupplemented*EstablishdesignmarginforpotentialfutureASRexpansionStructuresMonitoringProgram*Monitoringparametersandfrequency*Trending*Actionifapproachingthresholdlimits 6ContentsofMethodologyDocument
- CharacteristicsandMeasurementofASR
- ASRThresholdLimitsandMonitoring
- EvaluationforApproachingThresholdlimits 7LoadsandLoadCombinations*Loadsandfactoredloadcombinationsare-asdefinedinthecurrentUFSARand-supplementedbyLAR16-03toincludeASRloadsandloadfactors.*ASRloadfactorsprovidesafetymarginsconsistentwiththeoriginalcodesofrecord.
8FieldMeasurements S u s t a i n e dL o a d sCracking*Iscrackingobserved?*Iscrackinglimitexceeded?*Stiffnessreductionduetoaxial,shear,and/orflexuralcracking.MomentRedistribution*LimittoACI318-718.6 F a c t o r e dL o a d sDemand-to-CapacityRatioAcceptanceCriteriaSupplementtoACI318-71*ConsiderationofASRloads*Codeacceptancecriteria*Shear-frictioncapacityformemberssubjectedtonetcompression*Acceptablereductioninflexuralstiffness*Stiffnessreductionduetoaxialandshearcracking E v a l u a t i o nStageThreeEvaluationProcessCorrelationofAnalysistoFieldObservationsThresholdParameters&Limits*Expansion*In-planeexpansionmeasurements*DistributionofASR*Structuraldeformationmeasurements*StructuralcrackingStructuresMonitoringProgramFEAModelFieldObservationsConcreteBackfillPressure*StiffnessreductionduetoASRexpansionofunreinforcedbackfill*Backfillpressurereduction:*Nostructuralcracks/distress*Overburdenpressure*Confinementstrengthreduction 9MethodologyDocumentSummary
- ProvidesdetailedanalysisapproachforallstagesofanalysesdescribedintheLAR16-03.
- Allowsknowledgeablestructuralengineerstoimplementmethodologyinaconsistentandrepeatablemanner.
10RAI-D2Request-ProvideadetailedexplanationofhowtheStage3analysismethodswillbeimplementedinaconsistent,repeatablemanner.Identifydeviationsfromthedesigncodeofrecord.Response*MethodologyDocumentestablishesanapproachtoperformaStage3analysisinaconsistent,repeatablemanner.
- Supplementstothecodesofrecord-Supplement1-ConsiderationofASRloads-Supplement2-Codeacceptancecriteria-Supplement3-Shear-frictioncapacityformemberssubjectedtonetcompression-Supplement4-Flexuralcrackedsectionproperties-Supplement5-Axialandshearcrackedsectionproperties
- UFSARmarkupwillberevisedtoreflectthesesupplements 11RAI-D3Request-ExplainwithsufficienttechnicaldetailhowtheproposedmomentredistributionapproachmeetsspecificrequirementsofACI318-71.Response*TheMethodologyDocumentlimitstheuseofmomentredistributionforallstructurestobeinaccordancewithACI318-71Section8.6.
- TheCEBevaluationisbeingrevisedinaccordancewiththeMethodologyDocument.-Eliminatetheuseofmomentredistribution.-Considercrackedsectionproperties.
12RAI-D4Request-Explainwithsufficienttechnicaldetailhowthe"simplifiedmomentredistribution"methodisapplied.Response*AsdiscussedinresponsetoRAI-D3momentredistributionwillbelimitedtoACI318-71section8.6.
- TheCEBevaluationisbeingrevisedwithouttheuseofmomentredistributionmethods.AppendixLoftheCEBEvaluationwillbesuperseded.Thesamestructuralmodelandboundaryconditionswereusedinpreviousanalysis.
13RAI-D5(a)Request-ClarifywhatthethresholdfactorrepresentsinStage3analysesandhowthefactorwillbedeterminedforfutureanalyses.Response*ThresholdfactorisdesignmarginexpressedastheamountASRloadscanincreaseandstillmeetACIcriteria.-Thresholdfactorisanoutputoftheevaluation,notaninputtothemethodology.-Auniquethresholdfactoriscalculatedforeachbuildingbasedontheavailablemargin.-Usedtoestablishthresholdlimitsformonitoredparameters.-ThismarginisavailabletoaccountforpotentialfutureASRexpansionwithoutreducingthecodeinherentmarginofsafety.
- Thresholdfactormayberevisedbasedonfurtheranalysis,byusingadditionalinspectionandmeasurementdata,and/orusingamorerefinedstructuralanalysismethodwithoutreducingthecodeinherentmarginofsafety.
14Request-Explainifthereisalimitimposedontheextentofanalysisthatcanbeusedtomodifythedemandsuponastructureandifthisimpactsthespecificationofthethresholdfactor.Response*Thresholdfactorisanoutputofanevaluation(seeRAI-D5(a)).
- Thereisnolimitonre-evaluationprovidedevaluationsatisfiesACICodeassupplemented.-MomentredistributionislimitedperACICode.
- Re-evaluationswoulduseadditionalinspectionandmeasurementdata,and/oruseamorerefinedstructuralanalysismethodinaccordancewiththeMethodologyDocument.
- Structuralmodificationmayberequiredtoreestablishmargin.RAI-D5(b) 15RAI-D6Request-Clarifywhetherthe100-40-40methodwillbeimplementedinequivalentstaticanalysesforASR-affectedstructures.Ifso,providethetechnicalbasisforusingthemethodinconjunctionwithequivalentstaticanalysis.Response*The100-40-40methodwillbedeletedfromtheproposedmethodology-TheCEBevaluationisbeingrevisedtousethesquare-root-of-the-sumof-the-squares(SRSS)methodinconjunctionwiththeequivalentstaticanalysismethodconsistentwiththeoriginaldesigncalculationapproach.
- UFSARmarkupswillberevisedtoremovereferencesto100-40-40.
16RAI-D7(a)Request-Provideanexplanationofhowmultipleloadcomponents(e.g.,axialforceandmoment)arecombinedtoperformcodeinteractionchecks.Response*TheMethodologyDocumentonlyallowstheuseofSRSSmethodforcalculationofseismicdemands.-TheCEBevaluationisbeingrevisedwithouttheuseofthe100-40-40method.
- Forconditionswithmultiplecomponents(e.g.,axialforceandmomentP-Minteraction),theMethodologyDocumentrequires-AllcomponentsarecalculatedbytheSRSSmethod.-TheSRSScalculated+/-Pand+/-MwillbeusedforP-Minteractionevaluation
.
17RAI-D7(b)Request-ExplainwhythecombinationofE O,andH einsomecasesislessthanE O,alone.IftheexplanationassumesaphaserelationshipbetweenE O,andH e,providethetechnicalbasisfortheassumedphaserelationship.Response*FortheCEBcalculation,theseismicinertiaforce,E O,andsoilpushingtheembeddedpartoftheCEB,H e,aremodeledin-phase.
- In-phasemodelingmaximizesbaseshearandoverturningmomentwhenthestaticequivalentmethodandtheSRSSresponsesareused.
- Theout-of-planebendingresponseinCEBisinfluencedbythepresenceoflargepenetrations,andlocationofappliedloadsincludingdynamicsoilloads.Thedynamicsoilresponseandinertialresponsemaycounteracteachotheratlimitedsmalllocations.
- Analysesconsiderseismicmotioninoppositedirections.Resultsateachlocationareenveloped,thereforethelocalizedareasarecovered.
18RAI-D8Request-Explain,withsufficienttechnicaldetail,howtheproposedmethodofevaluationforASR-affectedstructuresverifiesthatthestressesandstrainsintheconcreteandreinforcementremainwithinelasticlimitsbasedonrealisticbehaviorundernormaloperating(service)loadconditions,includingASRload.Response*CompliancewiththeACICode,assupplementedbytheMethodologyDocument,ensuresstructuresbehaveelastically,andtherebarandconcretestressesandstrainsremainwithinacceptablelimits.
19RAI-D8Response(continued)
- Performedtwoparametricstudiestoexaminerebarstresses.-Scope1.EffectofincreasingASRexpansionformembersubjectedtoexternalload.2.ImpactofincreasingloadonASR-affectedmember.-PreliminaryresultsfordiscussionRebarstressesremaininelasticrangefornormaloperating(service)loads.
- AssessedrebarstressesforSeabrookstructures.-ScopeStructuresevaluatedtodate-PreliminaryresultsfordiscussionStressesandstrainsintheSeabrookstructuresareshowntobewithinelasticlimitsundernormaloperatingloadconditions(unfactoredloads)whenASRloadsareconsidered.
20-800-600-400-200 0200400-400-300-200-1000100200300400 A x i a lf o r c e(k i p/f t)Moment(kip-ft/ft)P-MinteractionUltimatestrengthServicestressCaseACaseBCaseCCaseDCaseECaseFCaseGCaseHCaseICaseJCaseKCaseLP-MCombinationsCasesParametricStudy1-Stressintensionrebaroftypical2ftthickmembersubjectedtoP-MandincreasingASRstrainPreliminaryResults-verificationpending.
21ParametricStudy1-Stressintensionrebaroftypical2ftthickmembersubjectedtoP-MandincreasingASRstrainFactoredloadServiceload-10 01020304050607000.511.522.5 R e b a r1s t r e s s(k s i)InternalASR(mm/m)CaseACaseBCaseCCaseDCaseECaseFInternalASRonlyfy=60ksi-10 01020304050607000.511.522.5 R e b a r1s t r e s s(k s i)InternalASR(mm/m)CaseGCaseHCaseICaseJCaseKCaseLInternalASRonlyfy=60ksi*ThetensilestressintherebarincreasesafterASRexpansionissufficienttoclosestructuralcracksaroundthetensilerebar.
- Forsectionswithalreadyhighlevelsofexternalload(factoredlevelloads),highlevelsofASRareneededtocauseadditionaltensilestressinrebar.PreliminaryResults-verificationpending.
22ParametricStudy2-Stressintensionrebaroftypical2ftthickASR-affectedmemberwithincreasingmoment
- Self-strainingconcretecompressivestresseffectwillunloadbeforerebartensilestressincreases.Thisisbecausetheconcretesectionismuchstifferthanthesteelbasedonthereinforcementratio.
- Stressesandstrainsinsteelrebararelessthantheelasticlimitsatserviceloadconditions,providedthatASRstrainislessthansteelyieldstrain(2mm/m).PreliminaryResults-verificationpending.-20 02040600204060 R e b a r1s t r e s s(k s i)Moment(kip-ft/ft)0mm/m0.5mm/m1mm/m1.5mm/m2mm/m 23StressesinSeabrookStructureduetoServiceLoad
- Thestressesforthestructuresthatarecompletedorbeingcompletedhavebeencalculatedforthefollowingtwoserviceloadconditions:-insitucondition:D+L+E+T o+S a-insituconditionplusoperatingbasisearthquakeandpotentialfutureASRexpansionuptothresholdlimit:D+L+E+T o+E o+H e+FTHR*S a*Fortheaboverealisticunfactoredserviceloadcombinations,stressesinrebararebelowyield,andconcretestrainsarelessthan0.001andarelessthanthe0.003ACICodemaximumusablestrainforconcretecompression 24Maximumsteelrebartensilestressandconcretecompressivestressforinsitucondition:D+L+E+T o+S aStructureAnalysisStageASR(mm/m)ComponentMaximumtensilestressinrebar(ksi)Maximumcompressivestressinconcrete(ksi)MaximumcompressivestraininconcreteCRMAI30.99BaseMat27.8-0.28-0.00009RHR30.75Eastexteriorwall47.0-1.8-0.00058CSTE20.43Tankwall16.0-0.66-0.00018CEHMS10.72Eastwingwall31.3-0.78-0.00025CEVA10.31Baseslab32.8-0.88-0.00028CEB30.60WallbetweenMech.&Elec.Penetration24.6-2.19-0.00065WPC/PH20.24Northwall6.5-0.49-0.00016EMH10.25W13/W15walls7.3-0.03-0.00001PreliminaryResults-verificationpending.
25StructureAnalysisStageASR(mm/m)ComponentMaximumtensilestressinrebar(ksi)Maximumcompressivestressinconcrete(ksi)MaximumcompressivestraininconcreteCRMAI30.99x1.4BaseMat39.1-0.37-0.00012RHR30.75x1.2Eastexteriorwall56.5-2.1-0.00067CSTE20.43x1.6Tankwall26.7-1.11-0.00031CEHMS10.72x1.5Eastwingwall41.6-1.52-0.00049CEVA10.31x3.0Baseslab44.0-1.08-0.00035CEB30.60x1.3WallbetweenMech.&Elec.Penetration44.0-2.8-0.00091WPC/PH20.24x1.8Northwall23.2-0.85-0.00027EMH10.25x3.7W13/W15walls26.8-0.11-0.00004MaximumsteelrebartensilestressandconcretecompressivestressforinsituconditionplusoperatingbasisearthquakeandfutureASRexpansionuptothresholdlimit:D+L+E+T o+E o+H e+FTHR*S aPreliminaryResults-verificationpending.
26Summary*TheMethodologyDocumentprovidestheapproachforperformingallthreestagesofanalysesdescribedintheLARcanbeimplementedinaconsistentandrepeatablemannerbyaknowledgeablestructuralengineer.
- UseofmomentredistributionforstructureswillbeinaccordancewithACI318-71Section8.6.
- The100-40-40methodwillnotbeconsideredforcalculatingseismicdemandsforanySeismicCategoryIstructuresatSeabrook.TheUFSARmarkupwillberevisedtousetheoriginalSRSSmethods.
- CompliancewiththeACICode,assupplementedbytheMethodologyDocument,ensuresstructuresbehaveelastically,andtherebarandconcretestressesandstrainsremainwithinacceptablelimits.
27BuildingDeformationAnalyses(1of2)StructureSchedulePercentCompleteIncorporatedtoSMPCondensatewaterstoragetankComplete100%CompleteContainmentenclosurebuilding(revision)4Q201780%Complete**2/2018(Rev1)**ContainmentenclosureventilationareaComplete100%CompleteContainmentstructureComplete100%CompleteEquipmenthatchmissileshieldComplete100%CompleteControlroommake-upairintakeComplete100%CompleteElectricalcabletunnelsComplete100%CompletePre-actionvalvebuilding4Q201780%2/2018RHRequipmentvaultComplete100%CompleteContainmentinternalstructures4Q201790%2/2018Mainsteamandfeedwatereastpipechase4Q201770%2/2018HydrogenrecombinerstructureStage1Safety-relatedelectricalductbanksandmanholes1Q201880%4/2018Stages2and3Safety-relatedelectricalductbanksandmanholes1Q201840%4/2018Emergencyfeedwaterpumpbuilding1Q201850%4/2018Fuelstoragebuilding4Q201780%2/2018Structuresthatare/expectedtobeStage3 28BuildingDeformationAnalyses(2of2)StructureSchedulePercentCompleteIncorporatedtoSMPControlBuildingDieselGeneratorBuilding1Q201830%4/2018MechanicalPenetrationPersonnelhatcharea1Q201840%4/2018Mainsteamandfeedwaterwestpipechase4Q201790%2/2018Primaryauxiliarybuilding4Q201730%2/2018Servicewatercoolingtowerincl.switchgearrooms1Q20184/2018Servicewateraccess(inspection)vault1Q20184/2018Circulatingwaterpumphouse(belowel.21')Servicewaterpumphouse2Q20187/2018Piping(RCA)Tunnels2Q20187/2018Tankfarmarea2Q20187/2018Wasteprocessingbuilding2Q20187/2018Structuresthatare/expectedtobeStage3 29Questions?
