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| | docket = 05000263 | | | docket = 05000263 |
| | license number = DPR-022 | | | license number = DPR-022 |
| | contact person = tam P S, NRR/ADRO/DORL, 415-1451 | | | contact person = tam P, NRR/ADRO/DORL, 415-1451 |
| | case reference number = TAC MD5531 | | | case reference number = TAC MD5531 |
| | package number = ML072840499 | | | package number = ML072840499 |
Letter Sequence Meeting |
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TAC:MD5531, Clarify Application of Setpoint Methodology for LSSS Functions (Open) |
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MONTHYEARML0713506492007-05-16016 May 2007 Notice of Meeting with Monticello to Discuss a Future Application for an Extended Power Uprate Amendment Project stage: Meeting ML0715806062007-06-0505 June 2007 Handout for Pre-application Meeting for Monticello Extended Power Uprate Project stage: Meeting ML0715806272007-06-19019 June 2007 Summary of June 5, 2007, Meeting with the Licensee to Discuss Pre-Application Issues Related to a Future Extended Power Uprate Amendment Application Project stage: Meeting ML0725602242007-09-14014 September 2007 Notice of Forthcoming Meeting with Monticello Nuclear Generating Plant Regarding Steam Dryers in Extended Power Uprate Conditions Project stage: Meeting ML0727705082007-10-0303 October 2007 10/3/07 Meeting Handout, Steam Dryer Evaluation Approach for Monticello Extended Power Uprate (Epu). Project stage: Meeting ML0727805992007-10-19019 October 2007 Summary of 10/3/07 Meeting Between NRC and Monticello Personnel a Future Extended Power Uprate Amendment Project stage: Meeting ML0800402012008-01-0707 January 2008 Notice of Meeting with Nuclear Management Company to Discuss Issues for a Future Extended Power Uprate Amendment at Monticello Nuclear Generating Plant Project stage: Meeting ML0804504802008-02-13013 February 2008 2/13/08 Meeting Handout Project stage: Meeting ML0804501682008-02-21021 February 2008 Summary of Meeting with Nuclear Management Company to Discuss Pre-Application Issues Related to a Future Extended Power Uprate Amendment Application Project stage: Meeting ML0810101932008-03-31031 March 2008 Monticello, License Amendment Request: Extended Power Uprate Project stage: Other ML0810101992008-03-31031 March 2008 Identification of Risk Implications Due to Extended Power Uprate at Monticello Project stage: Other ML0810101982008-03-31031 March 2008 Dryer Dynamic Stress Evaluation (Non-Proprietary Version of Enclosure 11) Project stage: Other ML0810101972008-03-31031 March 2008 Piping Flow Induced Vibration Monitoring Program Project stage: Other L-MT-08-018, Extended Power Uprate Startup Test Plan2008-03-31031 March 2008 Extended Power Uprate Startup Test Plan Project stage: Other ML0810101952008-03-31031 March 2008 NEDO-33322, Revision 1, Safety Analysis Report for Monticello Constant Pressure Power Uprate. Project stage: Other ML0810101942008-03-31031 March 2008 Monticello, MNGP Extended Power Uprate Environmental Assessment Project stage: Other 2007-06-05
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Category:Meeting Briefing Package/Handouts
MONTHYEARML23192A7552023-07-14014 July 2023 July 14, 2023 Alternative Request to Defer Pvt of MO-2397 Pre-submittal Meeting Slides ML23157A0422023-06-0606 June 2023 2022 Monticello End-of-Cycle Meeting Presentation ML23086C0722023-03-27027 March 2023 Presentation Slide for Monticello Scoping Webinar, March 29, 2023 ML23081A0392023-03-22022 March 2023 Presentation Slide for Monticello Public Scoping Meeting, March 22, 2023 ML22255A2162022-09-13013 September 2022 Subsequent License Renewal Application- Public Meeting September 13, 2022, Applicant Slides ML22130A5852022-05-10010 May 2022 2021 Monticello and Prairie Island Nuclear Generating Plant End-of-Cycle Meeting Presentation ML22024A3722022-01-24024 January 2022 Pre-application Public Meeting Slides for Potential Relief Request Related to Excess Flow Check Valves at Monticello Nuclear Generating Plant ML21274A2762021-10-0505 October 2021 Public Preapplication Meeting Presentation for Fuel Oil Storage Tank Amendment ML21166A3792021-06-15015 June 2021 Units 1 and 2 2020 End-of-Cycle Meeting Presentation ML21032A2632021-02-0303 February 2021 Slides for Public Meeting with Xcel Energy to Discuss a Planned Amendment to Combine the Emergency Plans and Create a Common Emergency Offsite Facility for Monticello and Prairie Island ML20273A3102020-10-0202 October 2020 Xcel Energy Presentation for Forthcoming Public Meeting Related to Safety Limit Minimum Critical Power Ratio Amendment ML20055F8122020-02-27027 February 2020 Pre-Application Meeting - License Amendment Request - Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - Ritsf Initiative 4b ML18039A0892018-02-0808 February 2018 Pre - Application Meeting Risk-Informed Exemption Request Regarding Exposed Structural Steel February 8, 2018 ML17293A4292017-10-23023 October 2017 Pre-Application Meeting October 23, 2017 ML17058A4842017-03-0202 March 2017 03/02/2017 Presentation Slides for the Exemption Request for Restoring Dry Shielded Canister (DSC) 11-15 Compliance to 10 CFR Part 72 Pre-Submittal Meeting ML17037D1172017-02-0707 February 2017 License Amendment Requests for Change in Emergency Plan Staff Augmentation Response Times Pre-Submittal Meeting for Prairie Island Nuclear Generating Plant Monticello Nuclear Generating Plant: February 7, 2017 ML17023A0652017-01-24024 January 2017 Pre-Submittal Call Regarding License Amendment Requests for Prairie Island Nuclear Generating Plant, Units 1 and 2 and Monticello Nuclear Generating Plant Emergency Action Level Scheme Changes ML16333A3112016-11-17017 November 2016 Excel Energy Meeting Presentation 11/17/2016 ML16312A5072016-11-0909 November 2016 Xcel Energy Presentation - Pre-Application Public Meeting on 11/09/2016 Re: Plan for Restoring DCS Nos. 11 - 16 (Monticello Nuclear Generating Plant, Independent Spent Fuel Storage Installation) (Docket No. 72-58, CAC No. L25156) ML15092A4802015-03-26026 March 2015 Annual Assessment Meeting - Slides ML14153A0242014-05-16016 May 2014 Xcel Energy'S Presentation Slides Supporting a May 16, 2014, Public Meeting to Discuss the Flood Hazard Reevaluation Schedule for the Monticello and Prairie Island Nuclear Generating Plants ML14108A4012014-03-31031 March 2014 Annual Assessment Meeting - Reactor Oversight Process 2013 Slides ML14108A4052014-03-31031 March 2014 EOC Meeting Licensee Slides ML13171A1522013-06-24024 June 2013 April 24, 2013, Summary of Public Meeting in City of Kewaunee to Make Post-Shutdown Decommissioning of Activities Report (PSDAR) Available for Public Comment ML13066A4462013-02-28028 February 2013 Xcel Energy Presentation Handout Supporting February 28, 2013, Pre-Application Meeting to Discuss Proposed Fuel Transition License Amendment Request ML12093A0982012-04-0202 April 2012 Slides Provided by Monticello Licensee for 4/3/12 Meeting Regarding Containment Accident Pressure Credit for EPU Operation ML12017A0482012-01-17017 January 2012 Handout for 1-17-12 Meeting Re. a Future Application for Amendment Concerning Fuel Storage Criticality Analysis ML0934908762009-12-15015 December 2009 Meeting Slides from December 15, 2009 - Mellla+ LAR ML0912505822009-05-0505 May 2009 Meeting Slides, Monticello, Preparation & Assessment for Hostile Action-based Drill. ML0835703272008-12-17017 December 2008 Meeting Slides, Independent Human Performance Focused Self-Assessment Results, Presented by (Northern States Power Company, Minnesota at Public Meeting ML0810604592008-04-14014 April 2008 Summary of Meeting with Nuclear Management Company, Regarding the Nrc'S 2007 End-of Cycle Assessment of the Monticello Nuclear Generating Plant Safety Performance ML0804504802008-02-13013 February 2008 2/13/08 Meeting Handout ML0800905242008-01-0909 January 2008 Meeting Handout, Nuclear Emergency Plan Submittal for Monticello & Prairie Island, Units 1 and 2 ML0727705082007-10-0303 October 2007 10/3/07 Meeting Handout, Steam Dryer Evaluation Approach for Monticello Extended Power Uprate (Epu). ML0715806062007-06-0505 June 2007 Handout for Pre-application Meeting for Monticello Extended Power Uprate ML0710204892007-04-0404 April 2007 Meeting Slides, Monticello Annual Assessment Meeting Reactor Oversight Process - Cy 2006. ML0705106742007-02-21021 February 2007 NMC Slides for Public Meeting, Conduct of Operations Action Plan Update. ML0609606112006-03-22022 March 2006 Open House Handout for Monticello Draft Supplemental EIS Public Meeting - Monticello Nuclear Genearting Plant ML0606703372006-03-0606 March 2006 NMC Presentation on Alternative Source Term - Full Scope ML0514404942005-05-19019 May 2005 Public Meeting Slides Monticello End-of-Cycle Plant Performance Assessment ML0513802172005-05-11011 May 2005 Presentation Slides Used at Meeting on May 11, 2005, Between the NRC and NMC to Discuss Monticello LRA ML0434900602004-11-30030 November 2004 NMC Slides for 11/30/04 Public Meeting ML0413803782004-05-0707 May 2004 NMC New Fuel Supplier Development Initiative ML17252A1571977-09-14014 September 1977 Summary of Meeting Held with Representatives of the Mark I Owner'S Group to Discuss the Structural Acceptance Criteria for the Mark I Containment Long Term Program 2023-07-14
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c NMucearExcel ,ommitted to Nuclear Excellence Steam Dryer Evaluation Approach for Monticello Extended Power Uprate (EPU)October 3, 2007//Commfe Nto Agenda itroductions"bjectives lonticello Steam Dryer Background idustry EPU Experience with Dryers idustry Dryer Evaluation Approach lonticello Dryer Evaluation Approach Legulatory Guide 1.20 ,ummary and Conclusions
/rf 2 Objetact iv es resent approach for demonstrating team dryer structural integrity)btain NRC feedback Ieiterate future activities S //O N. -3 lonticello Steam Dryer Background lant: GE 1965 Product Line (BWR-3), 206 inch reactor pressure vessel ryer: GE 1965 Product Line, Square Hood Similar to original Vermont Yankee dryer Steam dryer licensing basis accident is main steam line break outside of containment
/Conmfe kN 4 JjjiIZ 4 lonticello Steam Dryer Background This bank partitioned into two sections with flows in opposite directions Dryer Drain Pipe--~Upper Support Ring titoed to/Nuler Excellence Channel for Guide Rod///5 lonticello Steam Dryer Background Steam Dryer Inspection
-In accordance with Boiling Water Reactor Vessel Internals Project (BWRVIP) 139-Exterior and interior inspected No structurally significant flaws identified CommitW to Me calove w. I\%,6 Steam Dryer Industry Experience
'ifferent steam dryer evaluation iethods applied for EPU idustry realization that consistent team dryer analysis methodology ceded Committd to NucsIe r we/ 7 idustry Dryer Evaluation Approach PRI and BWRVIP initiative:
-Steam dryer evaluation methodologies guidance document (planned submittal December 2007)Continuum Dynamics Incorporated (CDI)specific methodology topical report (planned -.--__submittal March 2008)/C 8
Dryer Evaluation Approach Vlonticello approach will be consistent vith:-Other recent applicants
-Draft EPRI and BWRVIP guidance document-Draft CDI topical report//N. M nticello Dryer Evaluation Approach.pproach overview-Screening analysis for loads generated by resonant main steam branch lines-Acoustic Circuit Model (ACM) based on main steam line strain gages using CDI's proprietary methodology
-Current Licensed Thermal Power (CLTR)dryer load definition based upon stra!n gage data ..... u\,/ NMOK I)". 1 ~10
)nticello Dryer Evaluation Approach)proach overview EPU load definition based on strain gage data at CLTP scaled up to reflect EPU conditions Load definition uncertainties consistent with recent EPU evaluations Steam dryer Finite Element Analysis (FEA)performed in frequency domain using 1%structural damping U Limit curves for EPU power ascensiOp
-N -N.ComnuligA to MAJIiiZje 11 m onticello Dryer Evaluation Approach OAonticello Screening Analysis-Similar to EPRI/BWRVIP guidance document-Branch lines larger than three inches evaluated-Preliminary calculations show margin to onset of resonant modes-1/8 scale model to add confidence to analytical screening method/12 onticello Dryer Evaluation Approach\coustic Circuit Model-Model has been used for steam dryer load definitions in prior EPU applications
-Revision 4 more accurately models low frequency loads-Uncertainty and bias applied consistent with recent analyses to NU JiZIL". 13 Inticello Dryer Evaluation Approach ACM Load Definition
-Uses pressure pulsations from steam lines-Translates steam line pressure pulsations to the steam dome-Combines four steam line pressure time histories to produce a pressure time history for the steam dryer surface -/14 onticello Dryer Evaluation Approach kICM load definition
-Based on strain gage data-Two locations measured on each steam line-Locations selected to maximize signal to noise ratio at the critical frequency for Monticello N- ..~/NCommitted so Nudeat Ex1.. ..'\'.15 onticello Dryer Evaluation Approach 3train Gage Measurements
-Measure hoop stress-Hoop stress correlated to pressure-Strain gages* mounted in pairs* wired in a half bridge arrangement
-Eight strain gages per location" maximize accuracy" provide redundancy N N.Committed to Nuear4Exci
)16/
)nticello Dryer Evaluation Approach N I--Upper Strain Gage Lower Stra~ri Gage Typical Strain Gage Lines (MSL-C Locations shown)on MST N N Commitd 1o Akxý"r ExA " 17
)nticello Dryer Evaluation Approach-.PU Load Definition
-CLTP load definition scaled up" by flow squared relationship or" from scale model testing-Uncertainty approach prescribed for the ACM will be applied to EPU load definition after CLTP load definition is scaled up/N1 Commitedl to Eo*ne 18 onticello Dryer Evaluation Approach 3team Dryer Finite Element Analysis-ANSYS-10 Finite Element Model in frequency domain-Structural damping is one percent over the entire frequency range-Avoids difficulties associated with Rayleigh damping anchors-Avoids difficulties associated with time domain convergence
-Uses a significantly larger sample of plantd-ata-----.
-Plus or minus 10 percent frequency shifts in 2.5 percent steps-Consistent with previous submittals iNM i ~~~ComnJe to Ku.arx 1/19 onticello Dryer Evaluation Approach:ower Ascension Limit Curves-Generated to limit steam dryer maximum stress levels during power ascension-Based on maximum stress levels predicted from dryer FEA frequency shifts-Level 2 criteria to be 80 percent of ASME Section III material endurance limit (10,880 psi)-Level 1 criteria to be 100 percent of ASME Section III material endurance limit (13,600psi)-.
CommJU\./20 Regulatory Guide 1.20 1.20, Revision 3 March 2007-Added guidance for EPU Steam Dryer analyses-Emphasizes vibration and acoustic phenomena effects on other components
- Safety/Relief Valves (S/RVs)* Thermowells and sample probes-Monticello approach has accounted ,for-RG 1.20///f COMmht4I Ic 2 Z 21 Regulatory Guide 1.20 Vibration and Acoustic Phenomena on Dther Components
-Demonstrate acoustic resonance not present for S/RVs-Calculate Flow Induced Vibration (FIV) loads on other components using accepted methodologies
-Power Ascension monitoring" Inaccessible MS and FW piping instrumented with accelerometers" Accessible components monitored by walkdowns// , N2 1,16d 10 IA Ex00-e" 22 Summary and Conclusions Steam Dryer Evaluation Approach Summary S- Incorporates industry experience
-Consistent with current EPU submittals
-In line with ongoing EPRI/BWRVIP work Schedule-Draft steam dryer results presentation to NRC (proposed December 2007/January 2008)-Final steam dryer evaluation submitted with EPU LAR (first quarter 2008)Questions/Discussion-- -J\, N23,.. ..:2 3 Overall Proj.ect Time Line 2007 2008 2009 2010 2011 FIV Monitoring FIV FIV Mods for EPU LJ Monitoring Monitoring V Submittal NRC AS & Stability NRC Review of PRNMS Approval n III LAR Prep & Stability Option III V Submittal VNRC Approval V Submittal NRC DSS-CD Stabili y NRC Review Approval Solution LAR PreI*V Submittal V NRC MELLLA+ LA NRC Review Approval Prep AL EPU Phase I & PRNMS Installation A EPU Phase I1 n