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MONTHYEARRS-09-133, Attachment 6, LaSalle, Unit 2, Nuclear Power Station Spent Fuel Storage Pool Criticality Safety Analysis with Neutron Absorbing Inserts and Without Boraflex2009-08-31031 August 2009 Attachment 6, LaSalle, Unit 2, Nuclear Power Station Spent Fuel Storage Pool Criticality Safety Analysis with Neutron Absorbing Inserts and Without Boraflex Project stage: Request ML0928102792009-10-0505 October 2009 License Amendment Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Other ML0931705992009-12-0202 December 2009 Request for Withholding Information from Public Disclosure by Letter Dated 10/5/09 Project stage: Withholding Request Acceptance ML1009802092010-04-26026 April 2010 Request for Additional Information Related to License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: RAI ML1011904862010-05-0303 May 2010 Notice of Meeting with Exelon, LaSalle, Units 1 and 2, to Discuss Response to Request for Additional Information License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Spent Fuel Pool Storage Racks Project stage: RAI ML1016502292010-06-10010 June 2010 Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request ML1016103942010-06-10010 June 2010 E-mail Response to Eeeb AST RAI on June 10, 2010 Project stage: Request ML1016502862010-06-23023 June 2010 June 1, 2010, Summary of Meeting with Exelon Generation Co., LLC, on Responses to Request for Information License Amendment Request for the Use of Netco-SNAP-In Rack Inserts Project stage: RAI ML1028003592010-10-0707 October 2010 Notice of Public Meeting with Exelon Generation Company, LLC, Regarding LaSalle Netco Insert Request Project stage: Meeting ML1030004242010-10-28028 October 2010 Notice of Meeting with Exelon Genertion Company to Discuss the License Amendment Request to Allow Full Recovery of Spent Fuel Storage Rack Cells That Are Unusable Due to Boraflex Neutron Absorber Degradation Project stage: Meeting ML1032104992010-11-19019 November 2010 Request for Additional Information, Related to the Use of Neutron Absorbing Inserts Project stage: RAI ML1030704842010-11-19019 November 2010 Summary of Public Meeting with Exelon Generation Company, LLC Regarding LaSalle Netco Insert Request Project stage: Meeting ML1030903782010-11-19019 November 2010 Licensee Handouts for LaSalle Meeting with Exelon to Discuss Netco Inserts Project stage: Meeting RS-10-202, Additional Information Supporting License Amendment Request Re Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks2010-11-23023 November 2010 Additional Information Supporting License Amendment Request Re Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request ML1034304232010-12-10010 December 2010 Request for Additional Information Related to the Use of Nuetron Absorbing Inserts Project stage: RAI RS-10-210, Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks2010-12-14014 December 2010 Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request ML1034904622010-12-16016 December 2010 Notice of Meeting with Exelon Generation Company, LLC Regarding LaSalle Netco Insert Request Project stage: Meeting RS-10-216, Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks2010-12-22022 December 2010 Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request ML1100503592010-12-29029 December 2010 NRC Meeting Slides for December 29, 2010, Public Conference Call with Exelon Generation Company Regarding LaSalle Netco Insert Request Project stage: Meeting ML1101300742011-01-11011 January 2011 Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request ML1100502552011-01-17017 January 2011 December 29, 2010, Summary of Public Conference Call with Exelon Generation Company, LLC, Regarding LaSalle Netco Insert Request Project stage: Other ML1101803312011-01-24024 January 2011 Proposed License Conditions Related to Use of Neutron Absorbers Project stage: Other RS-11-009, Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks2011-01-24024 January 2011 Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request RS-11-014, Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks2011-01-28028 January 2011 Additional Information Supporting License Amendment Request Regarding the Use of Neutron Absorbing Inserts in Unit 2 Spent Fuel Pool Storage Racks Project stage: Request ML1102500512011-01-28028 January 2011 Issuance of Amendments Concerning Spent Fuel Neutron Absorbers Project stage: Approval ML1104606172011-03-0404 March 2011 Request for Additional Inforamtion Related to the Use of Neutron Absorbing Inserts Project stage: Other RS-11-067, Response to Request for Additional Information Regarding Unit 2 Spent Fuel Pool Storage Racks2011-04-18018 April 2011 Response to Request for Additional Information Regarding Unit 2 Spent Fuel Pool Storage Racks Project stage: Response to RAI RS-11-109, Completion of License Condition 2.C.(30) Associated with Unit 2 Spent Fuel Pool Storage Racks2011-07-13013 July 2011 Completion of License Condition 2.C.(30) Associated with Unit 2 Spent Fuel Pool Storage Racks Project stage: Other ML1120301262011-08-0404 August 2011 Closure of Spent Fuel Pool Neutron Absorbers Inserts Project stage: Other RS-11-170, Completion of License Condition 2.C.(31) Associated with Unit 2 Spent Fuel Pool Storage Racks2011-10-20020 October 2011 Completion of License Condition 2.C.(31) Associated with Unit 2 Spent Fuel Pool Storage Racks Project stage: Other 2010-04-26
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Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Nuclear Regulatory Commission December 29, 2010 1
Introduction - Charles Norton Application Status - Eva Brown Path Forward - Eva Brown Outstanding Concerns - Kent Wood 2
Charles Norton Project Manager Division of Operating Reactor Licensing 3
Eva Brown Senior Project Manager Division of Operating Reactor Licensing 4
October 5, 2009 submittal [ML092810278]
November 12, 2009 Acceptance Review Complete
[ML093160531]
Requests for Additional Information April 26, 2010 [ML100980209]
June 2, 2010 e-mail [ML101540001]
November 19, 2010 [ML103210499]
December 10, 2010 [ML103430423]
Supplements June 10, 2010 [ML101650229]
November 23, 2010 [ML103270566]
December 14, 2010 [ML103490098]
December 22, 2010 [ML103570025]
5
Public Meetings January 29, 2009 Pre-application March 18, 2009 Pre-application June 1, 2010 Discuss RAI Responses October 21, 2010 Discuss support for outage November 10, 2010 Licensee proposal for outage December 29, 2010 Discuss status and path forward beyond outage 6
NRC Review to be completed in two parts Outage + 120 Full campaign Outage (L2R13)
Three Spent fuel casks loaded Possibility of two more?
Spring 2011 refueling outage Pool reconfiguration L2R13+120 days Full campaign Licensee proposed completion December 31, 2014 Outstanding technical issues 7
Relies heavily on engineering judgment and loading of spent fuel casks November 10, 2010 proposal November 23, 2010 supplement December 14, 2010 supplement December 22, 2010 supplement NRC staff technical review Completion scheduled January 28, 2011 Partial review License conditions 8
NETCO Inserts completion Original date was 2016 Current proposed 2014 NRC technical concerns Technical Evaluation completion Schedule indeterminate Additional Information Needed 9
Kent Wood Reactor Systems Engineer Division of Safety Systems 10
Biases and Uncertainties Code Validation Analysis Assumptions Non-conservatisms Degradation Modeling Uniform Thinning Random Localized Dissolution B-10 Self Shielding Accidents Miss-Loading Seismic 11
12