ML112630673
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Initiation
Administration Questions
Results
Other: ML111640211, ML111861529, ML111890408, ML111890413, ML112130165, ML112350873, ML112350883, ML112630673, ML112630676, ML112770237, ML112770246, ML112770251, ML113050623, ML113060606, ML113060615, ML113060623, ML113210411, ML113330116 | |
MONTHYEARML1104105052011-02-10010 February 2011
[Table View]2/22/11 Notice of Forthcoming Public Meeting with STP Nuclear Operating Co., Units 1 & 2, to Discuss Risk-informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor Sump Performance, Resolution Option Approach Project stage: Meeting ML1107700052011-04-0505 April 2011 Summary of Meeting with STP Nuclear Operating Company to Discuss a Risk-informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Option Approach for South Texas, Units 1 and 2 Project stage: Meeting ML1113302442011-05-16016 May 2011 Notice of Meeting with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 and 2 Project stage: Meeting ML1114706522011-05-16016 May 2011 Correction 06/02/2011 Notice of Meeting with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 Project stage: Meeting ML11157A0102011-06-0202 June 2011 STP Nuclear Operating Company, Licensee Handouts, 6/2/2011 Meeting Risk-Informed GSI-191 Closure Plan for GSI-191 Resolution Project stage: Meeting ML1116401602011-06-21021 June 2011 Summary of Meeting with STP Nuclear Operating Company Regarding Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance; Resolution Approach for South Texas, Units 1 and 2 (TAC ME5358-ME5 Project stage: Meeting ML1116402112011-06-24024 June 2011 Notice of Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 & 2 Project stage: Other ML1118903912011-07-0606 July 2011 Email Additional Materials for Teleconference on 7/7/11 with STP to Discuss Risk Informed GSI-191 Project stage: Meeting ML1118904082011-07-0606 July 2011 Licensee Handout Loca Frequencie Approach and Example Application Project stage: Other ML1118904132011-07-0606 July 2011 Licensee Slide Regarding Questions on LOCA Frequency Analysis and Responses to Comments Project stage: Other ML1118904202011-07-0606 July 2011 Licensee Slide from 7/7/11 Meeting with STP Nuclear Project stage: Meeting ML1118903762011-07-0707 July 2011 Email Licensee Slides for 7/7/11 Teleconference with STP to Discuss Risk Informed GSI-191 Project stage: Meeting ML1118903802011-07-0707 July 2011 Licensee Slides, LOCA Initiating Event Frequencies and Uncertainties(Draft) Project stage: Draft Other ML1118615292011-07-12012 July 2011 Notice of Conference Call with STP Nuclear Operating Company to Discuss Risk-informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 and 2 Project stage: Other ML1120707292011-07-26026 July 2011 Meeting Notice with South Texas Project, Units 1 and 2 - Licensee Slides Computational Fluid Dynamics Validation Plan Project stage: Meeting ML1120707072011-07-26026 July 2011 Meeting Notice with South Texas Project, Units 1 and 2 - Licensee Slide Models and Methods Used for Casa Grande Project stage: Meeting ML1121301822011-08-0202 August 2011 Meeting Notice with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 and 2 (TAC ME5358-ME5359 Project stage: Meeting ML1119500942011-08-0404 August 2011 Summary of Meeting with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 and 2 Project stage: Meeting ML1121301652011-08-19019 August 2011 7/26/11 - Summary of Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 an Project stage: Other ML1123508732011-08-22022 August 2011 Models and Methods Used for Casa Grande Project stage: Other ML1123508832011-08-22022 August 2011 LOCA Initiating Event Frequencies and Uncertainties Status Report Project stage: Other ML1125101482011-09-15015 September 2011 Notice of Meeting by Conference Call with STP Nuclear Operating Co. to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 and 2 Project stage: Meeting ML1126306732011-09-20020 September 2011 Email, NRC Staff Questions, Loss-of-Coolant Accident Frequency Analysis, Resolution Approach for Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance. Project stage: Other ML1126306762011-09-20020 September 2011 NRC Staff Questions, Loss-of-Coolant Accident Frequency Analysis, Resolution Approach for Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance. Project stage: Other ML1127702372011-09-30030 September 2011 LOCA Frequencies for STP GSI-191( Final) Project stage: Other ML1127701702011-10-0303 October 2011 E-mail Licensee Handouts for 10/3/11 Public Meeting Project stage: Meeting ML1127701762011-10-0303 October 2011 Licensee Handouts from 10/3/11 Meeting STP LOCA Frequency Project stage: Meeting ML1127702032011-10-0303 October 2011 Licensee Slides from 10/3/11 Meeting LOCA Frequencies, Final Results Project stage: Meeting ML1127702302011-10-0303 October 2011 E-mail Documents for 10/3/11 Teleconference Project stage: Meeting ML1127702462011-10-0303 October 2011 E-mail Questions Associated with LOCA Frequency Analysis Project stage: Other ML1127702512011-10-0303 October 2011 STP Responses to Questions Associated with LOCA Frequency Analysis Project stage: Other ML1124114192011-10-0404 October 2011 8/22/11 Summary of Meeting with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 and 2 (TAC M Project stage: Meeting ML1127901512011-10-11011 October 2011 Notice of Meeting by Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 & Project stage: Meeting ML1127900992011-10-11011 October 2011 Notice of Meeting by Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas, Units 1 an Project stage: Meeting ML1130606232011-10-20020 October 2011 Technical Review of STP LOCA Frequency Estimation Methodology Project stage: Other ML1130506322011-10-26026 October 2011 Licensee Handouts from November 1, 2011 Meeting with STP Nuclear Operating Company on GSI-191 Project stage: Meeting ML1130506232011-10-26026 October 2011 Alion- Expected Impact of Chemical Effects on GSI-191 Risk Informed Evaluation for South Texas Project Project stage: Other ML1130606152011-10-31031 October 2011 LOCA Frequencies for STP Nuclear Operating Company GSI-191 Project stage: Other ML1128401142011-10-31031 October 2011 10/3/11 Summary of Meeting Via Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas Project stage: Meeting ML1129701092011-11-0101 November 2011 Notice of Meeting Via Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor Sump Performance, Resolution Approach for South Texas, Units 1 & 2 Project stage: Meeting ML1132104112011-11-0101 November 2011 Revised Notice of by Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Project stage: Other ML1130606062011-11-0202 November 2011 Questions Associated with Loss-of-Coolant Accident (LOCA) Frequency Analysis Project stage: Other ML1133301162011-11-29029 November 2011 Email, 11/1/2011 Pre-Licensing Conference Call to Discuss the Topic of Expected Impact of Chemical Effects on GSI-191 Risk-Informed Evaluation, Phenomena Identification and Ranking Table Items (TAC ME5358-ME5359) Project stage: Other ML1131201292011-11-29029 November 2011 Summary of 11/1/11 Meeting by Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance,Resolution Approach for South Texas, Un Project stage: Meeting ML1133505632011-12-0101 December 2011 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 Project stage: Meeting ML1131801962011-12-0505 December 2011 Summary of Meeting with STP Nuclear Operating Company Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas Units 1 and 2 Project stage: Meeting ML1134300872011-12-23023 December 2011 Summary of 12/1/11 Meeting by Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed GSI-191, Assessment of Debris Accumulation on Pressurized-Water Reactor (PWR) Sump Performance, Resolution Approach for South Texas Un Project stage: Meeting 2011-05-16 |
| ML112630673 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 09/20/2011 |
| From: | Balwant Singal Plant Licensing Branch IV |
| To: | Paul J South Texas |
| Singal, Balwant, 415-3016, NRR/DORL/LPL4 | |
| Shared Package | |
| ML112630671 | List: |
| References | |
| TAC ME5358, TAC ME5359, GSI-191 | |
| Download: ML112630673 (1) | |
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Text
From: Singal, Balwant Sent: Tuesday, September 20, 2011 4:05 PM To: Paul, Jamie Cc: Grantom, Carl; Bailey, Stewart; Tregoning, Robert; Tsao, John; Thadani, Mohan
Subject:
U. S. Nuclear Regulatory Commission (NRC) Staff Questions - Topic of Loss-of-Coolant Accident (LOCA) Frequency Analysis - Risk-Informed Approach to GSAI-191, TACs ME5358 and ME5359 Attachments: Questions Associated with LOCA Frequency Analysis.docx Jamie:
Based on our discussions this morning attached are the NRC staff questions on the topic of LOCA Frequency Analysis for the proposed Risk-Informed Approach for resolution to GSI-191 issues The NRC staff expects that STP Nuclear Operating Company will address these questions during the forthcoming presentation during the conference call public meeting on October 3, 2011. Please let me know if you have questions.
I will be out-of-office next week. Please call my backup Project Manager, Mohan Thadani at 301-415-1476 during my absence.
Thanks.
Balwant K. Singal Senior Project Manager (Comanche Peak and STP)
Nuclear Regulatory Commission Division of Operating Reactor Licensing Balwant.Singal@nrc.gov Tel: (301) 415-3016 Fax: (301) 415-1222
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