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| | number = ML13330B715 | | | number = ML13330B715 |
| | issue date = 11/26/2013 | | | issue date = 11/26/2013 |
| | title = South Texas Project, Units 1 and 2 - RAI from the Mechanical & Civil Engineering Branch Re. Revise STP Submittal and Request for Exemptions and License Amendment for a Risk-information Approach to Resolving Generic Safety Issues (GSI)-191 | | | title = Project, Units 1 and 2 - RAI from the Mechanical & Civil Engineering Branch Re. Revise STP Submittal and Request for Exemptions and License Amendment for a Risk-information Approach to Resolving Generic Safety Issues (GSI)-191 |
| | author name = Bartlett M A | | | author name = Bartlett M A |
| | author affiliation = NRC/NRR/DORL/LPLIV-1 | | | author affiliation = NRC/NRR/DORL/LPLIV-1 |
Revision as of 13:29, 11 April 2019
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MONTHYEARNOC-AE-13002954, Pilot Submittal and Request for Exemption for a Risk-Informed Approach to Resolve Generic Safety Issue (GSI)-1912013-01-31031 January 2013 Pilot Submittal and Request for Exemption for a Risk-Informed Approach to Resolve Generic Safety Issue (GSI)-191 Project stage: Request ML13066A5192013-04-0101 April 2013 Supplemental Information Needed for Acceptance of Requested Licensing Action Request for Exemption for a Risk-Informed Approach to Resolve Generic Safety Issue 191 Project stage: Acceptance Review ML13098A3962013-04-0808 April 2013 Email Risk Informed GSI-191 Evaluation Project stage: Other ML13098A4312013-04-0808 April 2013 Development of Chemical Effects Modules for Risk-Informed GSI-191 Resolution Project stage: Other ML13098A5112013-04-0808 April 2013 Corrosion/Head Loss Experiment Program Project stage: Other ML13101A3142013-04-12012 April 2013 Notice of Meeting Via Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed Approach to Resolve Generic Safety Issue 191 for South Texas, Units 1 and 2 Project stage: Meeting NOC-AE-13002994, Schedule for Supplement to STP Pilot Submittal and Request for Exemption for a Risk-Informed Approach to Resolve Generic Safety Issue (GSI)-1912013-04-17017 April 2013 Schedule for Supplement to STP Pilot Submittal and Request for Exemption for a Risk-Informed Approach to Resolve Generic Safety Issue (GSI)-191 Project stage: Supplement ML13112A2522013-04-25025 April 2013 Approval of Extension to Submit Supplemental Information for Acceptance of Licensing Action; Request for Exemption for a Risk-Informed Approach to Resolve Generic Safety Issue 191 Project stage: Acceptance Review ML13119A0802013-04-30030 April 2013 Notice Meeting Via Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed Approach to Resolve Generic Safety Issue 191 for South Texas, Units 1 and 2 Project stage: Meeting ML13140A2562013-05-20020 May 2013 Licensee Slides for 5/23/13 Meeting - STP Pilot Submittal for Risk Informed Approach to Resolving GSI-191 Project stage: Meeting ML13140A2692013-05-20020 May 2013 NRC Slides for 5/23/13 Meeting Regarding Risk - Informed GSI-191 Pilot Application Initial Review Insights Project stage: Meeting ML13150A2162013-05-23023 May 2013 Licensee Slides for 5/23/13 Public Meeting Regarding GSI-191 Project stage: Meeting ML13161A1632013-06-14014 June 2013 5/23/13 Summary of Public Meeting Via Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed Approach to Resolve Generic Safety Issue 191 for South Texas, Units 1 and 2 Project stage: Meeting ML13175A2112013-06-19019 June 2013 Project, Units 1 and 2, Revised STP Pilot Submittal and Requests for Exemptions and License Amendment for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)-191 Project stage: Other ML13168A1622013-06-26026 June 2013 Summary of Meeting Via Conference Call with STP Nuclear Operating Company to Discuss Risk-Informed Approach to Resolve Generic Safety Issue 191 for South Texas, Units 1 and 2 Project stage: Meeting ML13214A0312013-08-13013 August 2013 Acceptance Review, Exemption Requests and License Amendment Request to Revise UFSAR for Resolution of Generic Safety Issue 191, Assessment of Debris Accumulation on PWR Sump Performance (TAC MF0613-MF0614; MF2400-09) Project stage: Acceptance Review NOC-AE-13003039, Corrections to Information Provided in Revised STP Pilot Submittal and Requests for Exemptions and License Amendment for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)2013-10-0303 October 2013 Corrections to Information Provided in Revised STP Pilot Submittal and Requests for Exemptions and License Amendment for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI) Project stage: Other ML13323A1892013-10-22022 October 2013 Enclosure 4-2 - Risk-Informed Closure of GSI-191, Volume 2 Probabilistic Risk Analysis Project stage: Other ML13323A1912013-11-0606 November 2013 Enclosure 4-3 Risk-Informed Closure of GSI-191, Volume 3, Engineering (Casa Grande) Analysis, Page 212 of 1-122 Project stage: Other ML13323A1902013-11-0606 November 2013 Enclosure 4-3 Risk-Informed Closure of GSI-191, Volume 3, Engineering (Casa Grande) Analysis, Cover - Page 211 of 248 Project stage: Other ML13323A1862013-11-12012 November 2013 Enclosure 4-1 - Risk-Informed Closure of GSI-191, Volume 1 Project stage: Other NOC-AE-13003043, Enclosure 5 - Response to NRC Supplemental Information Items2013-11-13013 November 2013 Enclosure 5 - Response to NRC Supplemental Information Items Project stage: Supplement ML13323A1832013-11-13013 November 2013 Project Units 1 and 2 - Supplement 1 to Revised STP Pilot Submittal and Requests for Exemptions and License Amendment for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)-191 Project stage: Supplement NOC-AE-13003054, Supplement 1 to Revised STP Pilot Submittal for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)-191 to Supersede and Replace the Revised Pilot Submittal2013-11-21021 November 2013 Supplement 1 to Revised STP Pilot Submittal for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)-191 to Supersede and Replace the Revised Pilot Submittal Project stage: Supplement ML13330B7152013-11-26026 November 2013 RAI from the Mechanical & Civil Engineering Branch Re. Revise STP Submittal and Request for Exemptions and License Amendment for a Risk-information Approach to Resolving Generic Safety Issues (GSI)-191 Project stage: RAI 2013-04-12
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Category:E-Mail
MONTHYEARML24086A4212024-06-26026 June 2024 Email to Chris Warren Decision on the Exemption Request for South Texas Project ML24086A4252024-06-24024 June 2024 Email to Chris Warren Availability of Environmental Assessment for the South Texas Project Exemption ML24101A0082024-04-10010 April 2024 NRR E-mail Capture - South Texas Project - Relief Request - 50.55a(z)(2) - Rvh Penetration 75 ML24052A0152024-02-20020 February 2024 NRR E-mail Capture - South Texas Project - Request for Additional Information - Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications (L-2023-LLE-0046) ML24052A0112024-02-16016 February 2024 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications (L-2023-LLE-0046) ML23334A0062023-11-29029 November 2023 NRR E-mail Capture - South Texas Project - Request for Additional Information - Proposed Alternative to ASME BPV Code Requirements ML23319A4442023-11-15015 November 2023 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - Proposed Alternative to ASME BPV Code Requirements ML23278A1532023-10-0505 October 2023 NRR E-mail Capture - South Texas Project Request for Additional Information - Request for Indirect Transfer of Licenses and Conforming Amendments (L-2023-LLM-0004) ML23264A0972023-09-21021 September 2023 NRR E-mail Capture - South Texas Project - Request for Additional Information - License Amendment Request to Revise the Alternate Source Term Dose Calculation (L-2023-LLA-0047) ML23255A2862023-09-12012 September 2023 NRR E-mail Capture - South Texas Project Draft Request for Additional Information License Amendment Request to Revise the Alternate Source Term Dose Calculation (L-2023-LLA-0047) ML23191A0102023-07-0707 July 2023 NRR E-mail Capture - South Texas Project - Acceptance of Request for Indirect Transfer of Licenses and Conforming Amendments (L-2023-LLM-0004) ML23145A1872023-05-24024 May 2023 July 2023 Emergency Preparedness Program Inspection - Request for Information ML23124A3272023-05-0404 May 2023 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request to Revise the Alternate Source Term Dose Calculation (L-2023-LLA-0047) ML23115A0702023-04-24024 April 2023 NRR E-mail Capture - South Texas Project Units 1 and 2 - Audit Plan - Proposed Alternative to ASME Code, Section XI Requirements for Containment Building Inspections ML23096A1592023-04-0606 April 2023 NRR E-mail Capture - South Texas Project - Acceptance of Requested Licensing Action - Proposed Alternative to the Requirements of the ASME Code ML23065A0912023-03-0303 March 2023 NRR E-mail Capture - South Texas Project - Draft Supplemental Information Request - Proposed Alternative to the Requirements of the ASME Code ML23003A8082022-11-28028 November 2022 NRR E-mail Capture - Texas Commission on Environmental Quality (TCEQ) Review/Comment Regarding the Draft Environmental Assessment for the South Texas Project Alternate Disposal Request (L-2021-LLL-0022)) ML22249A0692022-09-0606 September 2022 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request Regarding Adoption of TSTF-554, Revise Reactor Coolant Leakage Requirements (L-2002-LLA-0113) ML22206A0142022-07-20020 July 2022 NRR E-mail Capture - South Texas Project - Request for Additional Information - 10 CFR 20.2002 Alternate Disposal Request ML22194A0502022-07-0707 July 2022 NRR E-mail Capture - South Texas Project - Updated Draft Request for Additional Information - 10 CFR 20.2002 Alternate Disposal Request ML22194A0492022-06-0808 June 2022 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - 10 CFR 20.2002 Alternate Disposal Request ML22123A3272022-05-0303 May 2022 STP EP Exercise Inspection July 2022 RFI ML22115A2632022-04-19019 April 2022 Email Response to David Lochbaum Regarding Interim Configuration of Holtec HI-STORE FW Spent Fuel Multipurpose Canister at South Texas Project Energy Generating Station ML22105A5642022-04-0505 April 2022 Request for Information for Problem Identification and Resolution at STP Nuclear Operating Company ML21344A0072021-12-0909 December 2021 NRR E-mail Capture - South Texas Project - Acceptance of Requested Licensing Action - Alternative Disposal Request ML21305B8022021-11-0101 November 2021 NRR E-mail Capture - South Texas Project - Acceptance of Requested Licensing Action - Inservice Inspection Impracticality ML21257A2262021-09-14014 September 2021 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request Regarding Adoption of TSTF-577, Revised Frequencies for Steam Generator Tube Inspections (L-2021-LLA-0151) ML21160A1522021-06-0909 June 2021 Request for Information NRC Inspection 2021-003 Public Radiation Safety ML21133A2372021-05-0505 May 2021 Request for Additional Information: STP EP Exercise Inspection - July 2021 ML21117A3242021-04-22022 April 2021 NRR E-mail Capture - (External_Sender) STP Questions About Eplan Amendment SE ML21103A0072021-04-12012 April 2021 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request to Add a Note to TS 3.6.3 and to Remove the TS Index (L-2021-LLA-0041) ML21058A0002021-02-26026 February 2021 NRR E-mail Capture - South Texas Units 1 and 2 - License Amendment Request to Revise Moderator Temperature Coefficient SRs - Audit Plan and Setup of Online Document Access (L-2021-LLA-0004) ML21049A2652021-02-16016 February 2021 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request to Revise the Moderator Temperature Coefficient Surveillance Requirements (L-2021-LLA-0004) ML21039A8902021-02-0808 February 2021 NRR E-mail Capture - South Texas Project - Request for Additional Information - 1RE22 Inspection Summary Report for Steam Generator Tubing ML21029A3312021-01-29029 January 2021 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - 1RE22 Inspection Summary Report for Steam Generator Tubing ML20244A0222020-08-28028 August 2020 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request to Adopt TSTF-374, Revision to TS 5.5.13 and Associated TS Bases for Diesel Fuel Oil. (L-2020-LLA-0172) ML20135H1982020-05-14014 May 2020 NRR E-mail Capture - South Texas Unit 1 - License Amendment Request to Revise Safety Injection System Accumulator Pressure - Audit Plan and Setup of Online Reference Portal ML20125A3312020-05-0404 May 2020 NRR E-mail Capture - South Texas Project - Acceptance of License Amendment Request to Revise the Emergency Plan (L-2020-LLA-0057) ML20111A0052020-04-17017 April 2020 NRR E-mail Capture - South Texas Project - Request for Additional Information - Proposed Alternative to ASME OM Code 2012 Edition - Relief Request PRR-01 ML20050E1192020-02-19019 February 2020 NRR E-mail Capture - South Texas Project - Acceptance of Requested Licensing Actions - Proposed Alternatives to ASME OM Code Requirements (EPID: L 2020-LLR-0007 to L-2020-LLR-0010) ML19344A0092019-12-0909 December 2019 NRR E-mail Capture - South Texas Project - Acceptance of Requested Licensing Action - Proposed Alternative to ASME Code Requirements for the Repair of Essential Cooling Water System Class 3 Buried Piping ML19309F1412019-11-0404 November 2019 Supplemental Information Request - Proposed Alternative to ASME Code Requirements for the Repair of Essential Cooling Water System Class 3 Buried Piping (EPID L 2019-LLR-0096) (Draft) ML19291A0332019-10-17017 October 2019 NRR E-mail Capture - Acceptance Review Results: STP License Amendment Request Regarding Request to Delete E Bar Definition ML19165A1032019-06-14014 June 2019 NRR E-mail Capture - Draft RAI for STP TS 3.8.1.1 Sbdg SR Change ML19162A1162019-05-22022 May 2019 NRR E-mail Capture - Acceptance Review Results: STP License Amendment Request Regarding TSTF-529 ML19095A6562019-04-0404 April 2019 NRR E-mail Capture - (External_Sender) Handout for 4/10/19 Meeting to Discuss a Proposed Request for South Texas Project, Units 1 and 2, Regarding Repair of Piping Using Carbon Fiber Repair Methods ML19081A1512019-03-21021 March 2019 NRR E-mail Capture - Draft Round 2 RAI - Sbdg Voltage and Frequency LAR (L-2018-LLA-0078) ML19078A3792019-03-19019 March 2019 NRR E-mail Capture - Acceptance Review Results: STP RR-ENG-3-23 (L-2018-LLR-0021) ML18292A7272018-10-19019 October 2018 NRR E-mail Capture - Acceptance Review Results: TSTF-522 (L-2018-LLA-0271) ML18283B9522018-10-10010 October 2018 NRR E-mail Capture - Final RAI - South Texas Standby DG TS Change (L-2018-LLA-0078) 2024-06-26
[Table view] Category:Request for Additional Information (RAI)
MONTHYEARML24207A1782024-07-25025 July 2024 Licensed Operator Positive Fitness-For-Duty Test ML24052A0112024-02-16016 February 2024 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications (L-2023-LLE-0046) ML24024A1162024-01-24024 January 2024 STP Unit 2 Request for Information ML23334A0062023-11-29029 November 2023 NRR E-mail Capture - South Texas Project - Request for Additional Information - Proposed Alternative to ASME BPV Code Requirements ML23319A4442023-11-15015 November 2023 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - Proposed Alternative to ASME BPV Code Requirements ML23278A1532023-10-0505 October 2023 NRR E-mail Capture - South Texas Project Request for Additional Information - Request for Indirect Transfer of Licenses and Conforming Amendments (L-2023-LLM-0004) ML23264A0972023-09-21021 September 2023 NRR E-mail Capture - South Texas Project - Request for Additional Information - License Amendment Request to Revise the Alternate Source Term Dose Calculation (L-2023-LLA-0047) ML23255A2862023-09-12012 September 2023 NRR E-mail Capture - South Texas Project Draft Request for Additional Information License Amendment Request to Revise the Alternate Source Term Dose Calculation (L-2023-LLA-0047) ML23145A1872023-05-24024 May 2023 July 2023 Emergency Preparedness Program Inspection - Request for Information ML22255A1542022-09-13013 September 2022 Operating Company Information Request for the Cyber Security Baseline Inspection 05000498/2022401 and 05000499/2022401 ML22206A0142022-07-20020 July 2022 NRR E-mail Capture - South Texas Project - Request for Additional Information - 10 CFR 20.2002 Alternate Disposal Request ML22194A0502022-07-0707 July 2022 NRR E-mail Capture - South Texas Project - Updated Draft Request for Additional Information - 10 CFR 20.2002 Alternate Disposal Request ML22194A0492022-06-0808 June 2022 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - 10 CFR 20.2002 Alternate Disposal Request ML22123A3272022-05-0303 May 2022 STP EP Exercise Inspection July 2022 RFI ML22084A0762022-04-0404 April 2022 Notification of NRC Design Bases Assurance Inspection (Team) (05000498/2022012 and 05000499/2022012) and Request for Information ML21286A5732021-10-18018 October 2021 Notification of NRC Design Bases Assurance Inspection (Programs) (05000498/2022011 and 05000499/2022011) and Request for Information ML21166A2392021-06-16016 June 2021 Notification of Inspection (NRC Inspection Report 05000498/2021003 and 05000499/2021003) and Request for Information ML21160A1522021-06-0909 June 2021 Request for Information NRC Inspection 2021-003 Public Radiation Safety ML21133A2372021-05-0505 May 2021 Request for Additional Information: STP EP Exercise Inspection - July 2021 ML21039A8902021-02-0808 February 2021 NRR E-mail Capture - South Texas Project - Request for Additional Information - 1RE22 Inspection Summary Report for Steam Generator Tubing ML21029A3312021-01-29029 January 2021 NRR E-mail Capture - South Texas Project - Draft Request for Additional Information - 1RE22 Inspection Summary Report for Steam Generator Tubing ML20280A5452020-08-17017 August 2020 STP 2020 PIR Request for Information ML20111A0052020-04-17017 April 2020 NRR E-mail Capture - South Texas Project - Request for Additional Information - Proposed Alternative to ASME OM Code 2012 Edition - Relief Request PRR-01 ML20070N0222020-03-10010 March 2020 NRC Selection for Onsite Review ML20057G4612020-02-26026 February 2020 05000498/499 Request for Information - Occupational Radiation Safety Inspection ML20045E2172020-02-13013 February 2020 Licensed Operator Positive Fitness-For-Duty Test ML20036F5862020-02-0404 February 2020 Request for Additional Information - Proposed Alternative to ASME Code Requirements for the Repair of Essential Cooling Water System Class 3 Buried Piping (EPID L-2019-LLR-0096)Redacted ML19165A1032019-06-14014 June 2019 NRR E-mail Capture - Draft RAI for STP TS 3.8.1.1 Sbdg SR Change ML19081A1512019-03-21021 March 2019 NRR E-mail Capture - Draft Round 2 RAI - Sbdg Voltage and Frequency LAR (L-2018-LLA-0078) ML18283B9522018-10-10010 October 2018 NRR E-mail Capture - Final RAI - South Texas Standby DG TS Change (L-2018-LLA-0078) ML18263A1432018-09-12012 September 2018 NRR E-mail Capture - Final RAI for South Texas Project RR-ENG-E-16 (L-2018-LLR-0097) ML18197A4172018-07-17017 July 2018 Notification of NRC Triennial Heat Sink Performance Inspection (05000498/2018003 and 05000499/2018003) and Request for Information ML18003B4222018-01-0303 January 2018 NRR E-mail Capture - Final Request for Additional Information Amendment Request to Modify the Emergency Response Organization for South Texas Project ML17229B4672017-08-16016 August 2017 Notification of NRC Inspection 05000499/2017008 and Request for Information ML17132A0712017-05-15015 May 2017 Information Request the Cyber Security Baseline Inspection, Notification to Perform Inspection 05000498/2017407; 05000499/2017407 ML17103A6272017-04-13013 April 2017 Notification of Evaluations of Changes, Tests, and Experiments Inspection (05000498/2017007 and 05000499/2017007) and Request for Information ML16351A1502016-12-16016 December 2016 Correction Letter Closeout of Request for Information Questions That Are No Longer Applicable Associated with the Resolution of Generic Safety Issue 191 (CAC Nos. MF2400 - MF2409) ML16302A4532016-12-12012 December 2016 Closeout of Request for Additional Information Questions That Are No Longer Applicable, Resolution of Generic Safety Issue (GSI) 191 (CAC Nos. MF2400-MF2409) ML16343A0422016-12-0808 December 2016 Request for Additional Information for the Review of the South Texas Project, Units 1 and 2 License Renewal Application (CAC NOS. ME4936, ME4937) ML16340A1022016-12-0505 December 2016 Requests for Additional Information for the Review of the South Texas Project License Renewal Application (CAC Nos. ME4936 and ME4937) ML16246A0952016-09-15015 September 2016 Correction to 8/26/16 Request for Additional Information Enclosure, License Amendment Request to Revise Technical Specification 5.3.2 to Allow Operation with 56 Full-Length Control Rod Assemblies ML16214A2912016-08-26026 August 2016 Summary of June 28-30, 2016, Regulatory Audit at Westinghouse in Rockville, MD, License Amendment Request to Revise Technical Specification 5.3.2 to Allow Operation with 56 Full-Length Control Rod Assemblies ML16187A0522016-07-0707 July 2016 Request for Additional Information Regarding License Renewal Application ML16141B0812016-05-31031 May 2016 Audit Summary, Risk Audit on April 12-13, 2016, at Alumni Center at the University of Texas, Austin, Tx; Pilot Generic Safety Issue 191 Submittal and Exemption Request, and Draft Request for Additional Information ML16125A2902016-05-26026 May 2016 Request for Additional Information, Risk Review, Exemption and License Amendment Request for a Risk-Informed Approach to Resolve Generic Safety Issue (GSI)-191 (CAC Nos. MF2400-MF2409) ML16127A4522016-05-12012 May 2016 Supplemental Information Needed for Acceptance of Requested Licensing Action, Amendment Request to Revise Technical Specification 5.3.2 to Allow Operation with 56 Full-Length Control Rod Assemblies ML16104A3522016-04-22022 April 2016 Requests for Additional Information Set 35 for the Review of the South Texas Project License Renewal Application (Tac Nos. ME4936, ME4937) ML16082A5072016-04-11011 April 2016 Request for Additional Information, Phased Response Requested, Exemption and License Amendment Request for a Risk-Informed Approach to Resolve Generic Safety Issue (GSI)-191 (CAC Nos. MF2400-MF2409) ML16082A4842016-03-22022 March 2016 NRR E-mail Capture - South Texas Project Units 1 & 2, Draft Request for Additional Information for Risk Review for GSI-191 ML16081A0042016-03-18018 March 2016 NRR E-mail Capture - South Texas Project Units 1 & 2, Draft Request for Additional Information for Thermal-hydraulic Review for GSI-191 2024-07-25
[Table view] |
Text
From: Bartlett, Matthew Sent: Tuesday, November 26, 2013 10:54 AM awharrison@stpegs.com To: Cc: Sebrosky, Joseph
Subject:
RAI from the Mechanical
& Civil Engineering Branch Mr. Harrison, The U.S. Nuclear Regulatory Commission (NRC) staff's Chief, Mechanical
& Civil Engineering Branch (EMCB) has reviewed your application dated June 19, 2013 (Agencywide Documents Access and Management System (ADAMS), Accession No. ML 13175A211) and supplements dated October 3, 2013 (ADAMS Accession No. ML 13295A222) and October 31, 2013 (ADAMS Accession No. ML 13323A673).
Attached below is an RAI regarding your license amendment request for the GSI-191. Please provide your response to the attached RAI by January 17, 2014 in order to support the review schedule.
Thanks. Sincerely, Matt Bartlett NRRIDORULPLIV (Rotation)
(301) 415-1577 REQUEST FOR ADDITIONAL INFORMATION (RAI) REGARDING LICENSE AMENDMENT FOR RISK-INFORMED APPROACH TO RESOLVING GENERIC SAFETY ISSUE (GSI) 191
References:
SOUTH TEXAS NUCLEAR OPERATING COMPANY (STPNOC) SOUTH TEXAS PROJECT (STP), UNITS 1 AND 2 DOCKET NOS. 50-498 AND 50-499 (TAC NOs MF2400 and MF2401) 1. Enclosure to Letter From William H. Ruland, Director, Division of Safety Systems, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission, to Anthony Pietrangelo, Vice President, Regulatory Affairs, Nuclear Energy Institute, "Revised Content Guide for Generic Letter 2004-02 Supplemental Responses." November 21, 2007. (ADAMS Accession No. ML073110389)
- 2. Letter No. NOC-AE-08002372, From David W. Rencurrel, Site Vice President, South Texas Nuclear Operating Company, to U.S. Nuclear Regulatory Commission, Document Control Desk, "Supplement 4 to the Response to Generic Letter 2004-02," December 11, 2008. (Accession No. ML083520326)
- 3. Letter No. NOC-AE-13002986, From D. W. Rencurrel, Senior Vice President, Operations, South Texas Nuclear Operating Company, to U.S. Nuclear Regulatory Commission, Document Control Desk, "Revised STP Pilot Submittal and Requests for Exemptions and License Amendment for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)-191
,"June 19, 2013. (Accession No. ML 13175A211)
- 4. Letter No. NOC-AE-13003043, From G. T. Powell, Site Vice President, South Texas Nuclear Operating Company, to U.S. Nuclear Regulatory Commission, Document Control Desk, "Supplement 1 to 1 Revised STP Pilot Submittal and Requests for Exemptions and License Amendment for a Risk-Informed Approach to Resolving Generic Safety Issue (GSI)-191
," November 13, 2013. (Accession No. ML 13323A 183) Mechanical and Civil Engineering Branch (EMCB) STP-GSI-191-EMCB-RAI-1 Item 3.k of Reference 1 requested licensees to summarize the structural qualification results and design margins for various components of the sump strainer structural assembly.
In Reference 2, STPNOC, the licensee, provided a qualitative response regarding the structural analysis without any supporting quantitative data. Additional information is needed regarding actual and allowable stresses and design margins for the various components of the sump strainer structural assembly to clarify the inherent level of conservatism employed in the design. This information was not STPNOC submittals (References 3 and 4). Please summarize the structural qualification results, including the actual and allowable stresses, and design margins for the various components of the sump strainer structural assembly.
2