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Category:Memoranda
MONTHYEARML24019A0342024-01-30030 January 2024
Public Meeting Summary - 01-04-2024 - Comanche Peak LRA - Structures Monitoring Program
ML23279A1052023-10-0606 October 2023
Memorandum from the Secretary to the Board and Parties
ML22304A1912022-11-23023 November 2022
Aging Management Audit Plan Regarding the License Renewal Application Review
ML22147A0932022-06-0606 June 2022
2021 Annual Assessment Public Meeting Summary
ML21259A1492021-10-26026 October 2021
CPNPP, Unit Nos. 1 and 2 - Meeting Summary for Environmental Pre Submittal Meeting for Initial License Renewal Application on September 21, 2021
ML21259A1402021-10-0505 October 2021
Meeting Summary for Safety Pre Submittal Meeting for Initial License Renewal Application on September 21, 2021
ML21176A1292021-06-25025 June 2021
CPNPP FFD Inspection Doc Request 2021
ML21174A0942021-06-23023 June 2021
Reactor Trip on June 7, 2021 - Management Directive 8.3 Screening
ML21140A3892021-05-24024 May 2021
Riv Column 1 EOC 2020 Public Meeting Summary
ML21124A0052021-05-10010 May 2021
Memo for Environmental Pre-Submittal Meeting for Initial License Renewal Application
ML19120A3382019-04-26026 April 2019
Memo to File Environmental Assessment and Finding of No Significant Impact for Luminant Generation Company, Llc'S Decommissioning Funding Plan Submitted in Accordance with 10 CFR 72.30(b) and 10 CFR 72.30(c) for Comanche Peak ISFSI
ML18346A1832019-01-0606 January 2019
FO Closure Audit Summary
ML18221A6322018-08-15015 August 2018
Eicb Safety Evaluation - Comanche Peak Nuclear Power Plant, Units 1 and 2, License Amendment Request to Revise Technical Specification 3.3.2 Engineered Safety Feature Actuation System Instrumentation Docket/Epid 000976/05000446/L-2018-LLA-0
ML18173A0082018-06-20020 June 2018
Cancelling Numerous Inspection Report Numbers
ML16088A2042016-03-28028 March 2016
Memo T Bowers from s Ruffin, Technical Assistance Requests - Review 2015 Tri-Annual Decommissioning Funding Plans for Multiple Independent Spent Fuel Storage Installations W/ Encl 2 (Template)
ML16088A2052016-03-28028 March 2016
Enclosure 1 - (72.30 DFP Reviews to Be Completed 2015) - Memo T Bowers from s Ruffin, Technial Assistance Requests - Review 2015 Tri-Annual Decommissioning Funding Plans for Multiple Independent Spent Fuel Storage Installations
ML13045A4102013-02-15015 February 2013
2/28/13 Notice of Meeting Via Conference Call with Luminant to Discuss Generic Safety Issue 191, Assessment of Debris Accumulation on PWR (Pressurized-Water Reactor) Sump Performance, for Comanche Peak, Units 1 and 2
ML12299A4102012-11-0505 November 2012
Notice of Meeting with Luminant Generation Company, LLC, to Discuss Proposed License Request for Approval of Revised Spent Fuel Criticality Analysis to Update Comanche Peak, Units 1 and 2, Technical Specifications
ML12306A3242012-11-0505 November 2012
Notice of Meeting with Luminant Generation Company LLC to Discuss Indirect License Transfers for Comanche Peak Nuclear Power Plant, Units 1 and 2
ML12286A2792012-10-18018 October 2012
Notice of Meeting with Luminant Generating Company LLC to Discuss Indirect License Transfers for Comanche Peak Nuclear Power Plant, Units 1 and 2
ML12216A2992012-08-27027 August 2012
9/13/12 Notice of Meeting with Luminant Generation Company LLC to Discuss Proposed License Request for Approval of Revised Spent Fuel Criticality Analysis to Update Comanche Peak, Units 1 and 2, Technical Specifications
ML12191A1472012-07-11011 July 2012
8/6/12 Notice of Conference Call with Luminant to Discuss Proposed License Amendment Request to Revise TS 3.8.1, AC Sources - Operating, to Support Installation of Backup Transformer at Comanche Peak, Units 1 and 2 (TAC ME8615-ME8616)
ML12171A1842012-06-11011 June 2012
6/26/12 Revised Notice of Meeting with Luminant Generation Company, LLC to Discuss Proposed License Amendment Request to Revise TS 3.8.1, AC Sources - Operating, to Support Installation of Backup Transformer at Comanche Peak, Units 1 and 2
ML1117302232011-06-29029 June 2011
Staff Review of the Comanche Peak Independent Spent Fuel Storage Installation Physical Security Plan and Verification of Additional Security Measures Incorporation
ML1107401282011-03-15015 March 2011
3/17/11 Notice of Forthcoming Closed Meeting with Luminant Generation Company Via Conference Call to Discuss Generic Request for Additional Information Pertaining to Its Cyber Security Submittal
ML1009105332010-04-0505 April 2010
U.S. Nuclear Regulatory Commission Staff Review of the Department of Homeland Security Consultation Reports
ML1006010322010-03-0101 March 2010
Cy 2009 Baseline Inspection Completion
ML0925404602009-09-10010 September 2009
Summary of Phone Call with Industry to Issues Related to Eccentricity of the Steam Generator Tube-to-Tubesheet Joints in the Finite Element Model Used for the Technical Basis of the Permanent Alternate Repair Criteria License Amendment Requ
ML0919705782009-07-31031 July 2009
Summary of Category 1 Meeting with Luminant Generation Company LLC, Resolution of Generic Letter 2004-02, Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors
ML0921000502009-07-31031 July 2009
Notice of Pre-Application Meeting with Luminant Generation Company LLC to Discuss Future Amendment Request to Revise Comanche Peak Units 1 and 2 Startup Transformer Completion Times
ML0920203432009-07-22022 July 2009
Revised Conference Call with Luminant Generation Company, LLC, to Discuss Draft Request for Additional Information Re Generic Letter 2004-02, Dated May 11, 2009
ML0918207102009-07-0202 July 2009
Revised Notice of Meeting with Representatives of Luminant Generation Co., LLC, Comanche Peak to Discuss Draft Request for Information for Generic Letter 2004-02 Response
ML0807400842008-03-14014 March 2008
Draft Regulatory Guide for Comment
ML0724904812007-09-11011 September 2007
Notice of Meeting with Strategic Teaming and Resource Sharing (Stars) for Licensees of Comanche Peak, Diablo Canyon, Palo Verde, South Texas, and Wolf Creek Plants
ML0720800042007-07-31031 July 2007
Memo to File Request for Additional Information Application for Order Approving Indirect Transfer of Control of Licenses & License Amendments to Reflect Proposed Licensee'S Name Change
ML0713003582007-05-11011 May 2007
Notice of Meeting with Txu Generation Company LP, Regarding Proposed Transition to Westinghouse Methodology and Other Methodologies Specific to Comanche Peak Steam Electric Station (CPSES) and Power Uprate Application
ML0630400142006-10-31031 October 2006
Notice of Forthcoming Meeting with Txu Generation Company, LP Re Radiological Consequences of Design-Basis Accidents for Comanche Peak Steam Electric Station
ML0627202212006-10-13013 October 2006
Staff'S Review of the Revision to Technical Specification Surveillance Requirements 3.3.1.2 & 3.3.1.3, Reactor Trip System Instrumentation (RTS)
ML0612805802006-06-30030 June 2006
Memo with Enclosures 1 and 2, - Trip Report Regarding Staff Observations Regarding Flume Testing of a Prototype Portion of the Proposed Replacement Suction Screen Design for the Comanche Peak Steam Electric Station
ML0607302642006-03-0707 March 2006
Closure Memorandum: Issue for Resolution 2005-083: Evaluation: Part 21 - Engine Systems - Governor Drive Coupling Element
ML0527802152005-10-0505 October 2005
Forthcoming Meeting with Txu Analytical Methodologies Supporting the Comanche Peak, Unit 1, Steam Generators Replacement Project
ML0525803232005-09-15015 September 2005
Meeting with Strategic Teaming and Resource Sharing (Stars) for Licensees of Comanche Peak, Diablo Canyon, Palo Verde, South Texas, and Wolf Creek Plants
ML0519301632005-07-14014 July 2005
Unit 2 - Closeout Letter for Bulletin 2003-01, Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-Water Reactors.
ML0516003452005-06-14014 June 2005
Draft Information Memo - May 6 - May 27, 2005
ML0506104872005-03-23023 March 2005
Draft Information Memo - May 1, 2005 Thru May 27, 2005
ML0435701632005-01-24024 January 2005
Draft Information Memo - Inputs from March 2, 2004 Through March 31, 2004
ML0429402412004-10-25025 October 2004
Draft Information for June 1, 2004 to June 30, 2004
ML0426400682004-09-21021 September 2004
Draft Information Report from January 14 Thru February 26, 2004
ML0421103022004-08-19019 August 2004
Draft Information Memo for April, 2004 - Shirley
ML0422602762004-08-12012 August 2004
Meeting Summary of the August 8, 2004 Public Workshop - Region IV Operator Licensing Feedback
2024-01-30
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Text
February 25, 2004 Mr. Carl Corbin TXU Energy 6322 N. FM Road 56 Glen Rose, TX 76043
Dear Mr. Corbin:
Per your request, enclosed is a compact disk containing the Large Early Release Frequency (LERF) Standardized Plant Analysis Risk (SPAR) model for Comanche Peak 1 & 2 with its associated documentation and the SAPHIRE 7.21 suite of PRA codes with its associated documentation. Version 7.21 of the SAPHIRE code suite is required to perform analyses with the LERF SPAR model. Also enclosed is a hard copy of the users manual for the Comanche Peak 1 & 2 LERF SPAR model. The software for the LERF SPAR model and the SAPHIRE code suite is located in two separate file folders labeled, LERF SPAR Model, and SAPHIRE 7, respectively. The software package for the LERF SPAR model is in the form of a compressed (.zip) file from which you can extract the files comprising the model and its documentation to a separate file folder. The SAPHIRE software consists of an executable file that can be run directly from the compact disk. These items are for your organizations use only and are not to be distributed further without the consent of the NRC. Also please note that the information contained in the SPAR model is considered sensitive and should be treated accordingly.
These software packages are provided to facilitate the onsite QA review of the LERF SPAR model for Comanche Peak 1 and 2 with your PRA staff and the benchmarking of this model against your Level 2/LERF PRA, which will be scheduled later this year at your convenience.
Until this review has been completed and the LERF SPAR model revised to address the comments generated during the review, the model is considered interim, and should be used by your staff analysts with appropriate discretion.
Questions about the LERF SPAR model should be directed to Dr. John Lehner, Brookhaven National Laboratory (BNL), at (631) 344-3921 (lehner@bnl.gov). Questions about the SAPHIRE code suite should be directed to Mr. Ted Wood, Idaho National Engineering and Environmental Laboratory (INEEL), at (208) 526-8729 (stw@inel.gov). Comments and suggestions may also be directed to either of these gentlemen or to Dr. Patrick OReilly, NRC project manager for SPAR model development, at (301) 415-7570 (pdo@nrc.gov).
If you are interested in receiving on-going technical support for SAPHIRE, you are invited to join the SAPHIRE Users Group. Mr. John Schroeder, INEEL, at (208) 526-8755 (roe@inel.gov) can provide more details about the group and the services offered.
C. Corbin 2 Due to the potential sensitivity of the information contained in the Enclosures, they are not publicly available.
Sincerely,
/RA/
Charles E. Ader, Director Division of Risk Analysis and Applications Office of Nuclear Regulatory Research
Enclosures:
As stated cc: M. Thadani, NRR/LPD4-1 (w/o enclosures)
C. Corbin 2 Due to the potential sensitivity of the information contained in the Enclosures, they are not publicly available.
Sincerely,
/RA/
Charles E. Ader, Director Division of Risk Analysis and Applications Office of Nuclear Regulatory Research
Enclosures:
As stated cc: M. Thadani, NRR/LPD4-1 (w/o enclosures)
Distribution w/o enclosures:
OERAB RF MFranovich, NRR DRAA RF SRichards, NRR File Center DCoe, NRR Public RGramm, NRR JStrosnider/AThadani, RES DChamberlain, RGN-IV DMarksberry, RES DLoveless, RGN-IV (SRA)
HBerkow, NRR MRunyan, RGN-lV (SRA)
MTschiltz, NRR RBywater, RGN-IV (SRA)
Dallen, SRI DOCUMENT NAME: A:\COMANCHEPEAK1&2LERFLTR.WPD To receive a copy of this document, indicate in the box C = Copy wo/encl E = Copy w/encl N = No copy y OFFICE OERAB E OERAB E OERAB E DRAA C NAME POReilly MCheok PBaranowsky CAder DATE 02/19/04 02/19/04 02/20/04 02/25/04 OFFICIAL RECORD COPY OAR in ADAMS (Y or N)? Y Publicly Available (Y or N)? Y Template No.: RES-006 Accession No.: ML040580017 Res File Code: 2C-3
Date: 2/19/2004 ROUTING AND TRANSMITTAL SLIP TO: (Name, office symbol, room #, building, agency/post) Initials Date
- 1. Pat OReilly - Fill in Y or N for OAR in ADAMS and Publicly Available PDO 2/19
- 2. Mike Cheok - Concur MCC 2/19
- 3. Pat Baranowsky - Concur PWB 2/20
- 4. Charles Ader - Signature CER 2/25
- 5. Nancy - Distribute - Fill in Template Number, Accession Number and RES NLL 2/25 Code Number 6.
7.
8.
9.
10.
Action File Note and Return Approval For Clearance Per Conversation As Requested For Correction Prepare Reply Circulate For Your Information See Me Comment Investigate X Concurrence/Signature Coordination Justify REMARKS Letter to Mr. C. Corbin - Per your request, enclosed is a compact disk containing the Large Early Release Frequency Standardized Plant Analysis Risk (SPAR) model for Comanche Peak 1&2 and the SAPHIRE 7.21 suite of probabilistic risk assessment (PRA) computer codes. Also enclosed is a copy of the users manual for the Comanche Peak 1&2 LERF SPAR model.
Room # - Bldg.
FROM: (Name, org. symbol, Agency/Post)
Phone #
