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Category:Letter
MONTHYEARNOC-AE-250040, Annual Fitness for Duty Performance Report for 20242025-02-27027 February 2025 Annual Fitness for Duty Performance Report for 2024 ML25055A2552025-02-24024 February 2025 Notice Regarding Withdrawal of Funds from Nuclear Decommissioning Trust Subaccounts ML25049A0452025-02-17017 February 2025 Evidence of Financial Protection IR 05000498/20240042025-01-30030 January 2025 Integrated Inspection Report 05000498/2024004 and 05000499/2024004 IR 05000498/20244202025-01-24024 January 2025 Security Baseline Inspection Cover Letter 05000498/2024420 and 05000499/2024420 05000498/LER-2024-007, Condition Prohibited by Technical Specifications2025-01-23023 January 2025 Condition Prohibited by Technical Specifications IR 05000498/20250902025-01-21021 January 2025 STP Units 1 and 2 Final Significance Determination of White Finding Nov and Follow Up Assessment Letter NRC Inspection Report 05000498/2025090 and 05000499/2025090 05000498/LER-2024-006, Condition Prohibited by Technical Specifications and Potential Loss of Safety Function Due to Inoperable Pressurizer Power Operated Relief Valve2024-12-23023 December 2024 Condition Prohibited by Technical Specifications and Potential Loss of Safety Function Due to Inoperable Pressurizer Power Operated Relief Valve ML25036A0622024-12-18018 December 2024 Radiological Emergency Preparedness Plume Exposure Pathway Exercise Held on July 17, 2024 and a Medical Services Drill Held on August 15, 2024, for the South Texas Project, Located in Matagorda County, Texas ML24319A0342024-12-11011 December 2024 The Associated Independent Spent Fuel Storage Installation - Order Approving Direct Transfer of Licenses (EPID L-2024-LLM-0002) - Letter/Safety Evaluation ML24346A4162024-12-11011 December 2024 Operator Licensing Examination Schedule IR 05000498/20240122024-11-25025 November 2024 License Renewal Phase 1 Inspection Report 05000498/2024012 IR 05000498/20240502024-11-21021 November 2024 Project Electric Generating Station, Units 1 and 2 - NRC Special Inspection Report 05000498/2024050 and 05000499/2024050 and Preliminary White Finding ML24318C5082024-11-13013 November 2024 Condition Prohibited by Technical Specifications IR 05000498/20240032024-11-0707 November 2024 Integrated Inspection Report 05000498/2024003 and 05000499/2024003 IR 05000498/20253012024-11-0707 November 2024 Notification of NRC Initial Operator Licensing Examination 05000498/2025301; 05000499/2025301 ML24305A1742024-10-31031 October 2024 10 CFR 50.46 Thirty-Day Report of Significant ECCS Model Changes ML24304B0512024-10-30030 October 2024 Cycle 26 Core Operating Limits Report IR 05000498/20244022024-10-23023 October 2024 Security Baseline Inspection Report 05000498/2024402 and 05000499/2024402 05000499/LER-2024-003, Containment Isolation Valve Inoperable Resulting in Condition Prohibited by Technical Specification and Prevention of Fulfillment of Safety Function2024-10-22022 October 2024 Containment Isolation Valve Inoperable Resulting in Condition Prohibited by Technical Specification and Prevention of Fulfillment of Safety Function ML24295A0772024-10-21021 October 2024 Licensed Operator Positive Fitness-for-Duty Test 05000499/LER-2024-002, Two Control Room Envelope HVAC Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function2024-10-17017 October 2024 Two Control Room Envelope HVAC Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function ML24290A1162024-10-16016 October 2024 Change to South Texas Project Electric Generating Station (STPEGS) Emergency Plan IR 05000498/20243012024-10-0707 October 2024 NRC Examination Report 05000498/2024301 and 05000499/2024301 ML24255A0322024-09-30030 September 2024 The Associated Independent Spent Fuel Storage Installation - Notice of Consideration of Approval of Direct Transfer of Licenses and Opportunity to Request a Hearing (EPID L-2024-LLM-0002) - Letter ML24269A1762024-09-25025 September 2024 Tpdes Permit Renewal Application WQ0001 908000 05000498/LER-2024-004, Loss of Offsite Power Resulting in Unit 1 Automatic Reactor Trip and Actuation of Emergency Diesel Generators and Auxiliary Feedwater Pumps2024-09-19019 September 2024 Loss of Offsite Power Resulting in Unit 1 Automatic Reactor Trip and Actuation of Emergency Diesel Generators and Auxiliary Feedwater Pumps ML24271A3022024-09-18018 September 2024 STP-2024-09 Post-Exam Comments - Redacted ML24274A0902024-09-16016 September 2024 Written Response - EA-24-026 STP Operator - Redacted ML24250A1882024-09-11011 September 2024 Request for Information for an NRC Post-Approval Site Inspection for License Renewal ML24249A3372024-09-0404 September 2024 Inservice Inspection Summary Report - 2RE23 05000499/LER-2024-001-01, Supplement to Automatic Reactor Trip and Actuation of Two of Three Emergency Diesel Generators2024-08-29029 August 2024 Supplement to Automatic Reactor Trip and Actuation of Two of Three Emergency Diesel Generators ML24234A0912024-08-27027 August 2024 NRC Initial Operator Licensing Examination Approval 05000498/2024301; 05000499/2024301 IR 05000498/20240052024-08-22022 August 2024 Updated Inspection Plan for South Texas Project Electric Generating Station, Units 1 and 2 (Report 05000498/2024005 and 05000499/2024005) IR 05000498/20240022024-08-0909 August 2024 Integrated Inspection Report 05000498/2024002 and 05000499/2024002 IR 05000498/20240102024-08-0808 August 2024 Biennial Problem Identification and Resolution Inspection Report 05000498/2024010 and 05000499/2024010 ML24213A0842024-07-31031 July 2024 Application for Order Consenting to Direct Transfer of Licenses ML24218A1462024-07-26026 July 2024 2. EPA Comments on South Texas Project Exemption Ea/Fonsi ML24207A1782024-07-25025 July 2024 Licensed Operator Positive Fitness-For-Duty Test 05000499/LER-2024-001, Automatic Reactor Trip and Actuation of Two of Three Emergency Diesel Generators2024-07-0202 July 2024 Automatic Reactor Trip and Actuation of Two of Three Emergency Diesel Generators 05000498/LER-2024-003, Condition Prohibited by Technical Specifications and Potential Loss of Safety Function Due to Inoperable Low Head Safety Injection Pump2024-07-0101 July 2024 Condition Prohibited by Technical Specifications and Potential Loss of Safety Function Due to Inoperable Low Head Safety Injection Pump 05000498/LER-2024-002-01, Two Essential Chilled Water Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function2024-06-27027 June 2024 Two Essential Chilled Water Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function 05000498/LER-2023-003-01, Two Essential Chilled Water Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function2024-06-19019 June 2024 Two Essential Chilled Water Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function IR 05000498/20244042024-06-0303 June 2024 Cyber Security Inspection Report 05000498/2024404 (Cover Letter) ML24141A0482024-05-17017 May 2024 EN 56958_1 Ametek Solidstate Controls, Inc ML24136A2842024-05-15015 May 2024 Independent Spent Fuel Storage Installation Supplement to Request for Exemption from Various Part 72 Regulations Resulting from Fuel Basket Design Control Compliance ML24136A2872024-05-15015 May 2024 Submittal of 2024 Nrc/Fema Evaluated Exercise Scenario Manual ML24137A0882024-05-15015 May 2024 Operator Licensinq Examination Schedule Revision 3 ML24130A2712024-05-0909 May 2024 Re Two Essential Chilled Water Trains Inoperable Resulting in a Condition That Could Have Prevented Fulfillment of a Safety Function ML24128A1572024-05-0707 May 2024 Independent Spent Fuel Storage Installation Request for Exemption from Various Part 72 Regulations Resulting from Fuel Basket Design Control Compliance 2025-02-27
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Nuclear Operating Company South Texas Project Electric Genei-atlng Station RO. Box 28? Wadsworth, Texas 774S3 January 17,2018 NOC-AE-18003543 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Errata Sheet
References:
Letter from Michael P. Murray to NRC Document Control Desk, "No Active Safety Function Anchor Darling Double Disc Gate Valves," NOC-AE-18003538, dated January 3,2017. (ML18003B418)
STP Nuclear Operating Company (STPNOC) correspondence NOC-AE-18003538 dated January 3, 2017 was distributed with an incorrect date of issuance. The attached correspondence contains the letter with the corrected issuance date, i.e. January 3,2018.
Note that the corrected letter has been resigned and is provided as a replacement for the first submittal in its entirety.
There are no commitments in this letter.
Should you have any questions or require additional information, please contact Rafael Gonzales at 361-972-4779.
Michael P. Murray Manager, Regulatory Affairs RJG
Attachment:
Corrected Letter STI:34591414
ec:
(paper copy)
Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 1600 East Lamar Boulevard Arlington, TX 76011-4511 Lisa M. Regner Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North (08H04) 11555RockvillePike Rockville, MD 20852 NRC Resident Inspector U. S. Nuclear Regulatory Commission P. 0. Box 289, Mail Code: MN116 Wadsworth,TX 77483 NOC-AE-18003543 Page 2 of 2 (electronic copy)
Morgan, Lewis & Bockius LLP Paul Bessette U.S. Nuclear Regulatory Commission Lisa M. Regner NRG South Texas LP Mark Walker Jim von Suskil Skip Zahn CPS Energy Kevin Polio Cris Eugster L. D. Blaylock City of Austin Elaina Ball John Wester Texas Dept. of State Health Services Helen Watkins Robert Free
Nuclear Operating Company South Texas Protect Electric GeiKntlng Station P.O. Box 289 Wadsworth, Texas 774S3 January 3,2018 NOC-AE-18003538 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 No Active Safety Function Anchor Darlina Double Disc Gate Valves
References:
- 1) Letter from Greg Krueger (NEI) to John Lubinski, U.S. Nuclear Regulatory Commission, Anchor Darling Double Disc Gate Valve Industry Resolution Plan Update (Project 689), dated August 4, 2017
- 2) Letter from Joe Pollock (NEI) to Brian Holian, U.S. Nuclear Regulatory Commission, NSIAC Concurrence on Anchor Darling Double Disc Gate Valve Industry Response Actions (Project 689), dated October 26, 2017 In Reference 1, the Nuclear Energy Institute (NEI) provided the NRC a resolution plan for the U.S. Nuclear Industry to address the known Anchor Darling Double Disk Gate Valve (ADDDGV) issues. Reference 2 indicated each utility will provide a listing of their Anchor Darling valve population with active safety functions along with relevant valve information, including the results of susceptibility evaluations, repair status, and a repair schedule for each susceptible valve not yet repaired. Reference 2 also stated that utilities or sites without active safety function Anchor Darling DDGVs would also provide a response.
This letter serves to confirm that South Texas Project Units 1 and 2 do not use Anchor Darling DDGVs to support any active safety function.
There are no commitments in this letter.
Should you have any questions or require additional information, please contact Jimmie Richey at 361-972-7622.
Respectfully, Michael PTMurray Manager of Regulatory Affairs STI:34587213
ec:
(paper copy)
Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 1600 East Lamar Boulevard Arlington, TX 76011-4511 Lisa M. Regner Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North (08H04) 11555RockvillePike Rockville, MD 20852 NRC Resident Inspector U. S. Nuclear Regulatory Commission P. 0. Box 289, Mail Code: MN116 Wadsworth,TX 77483 NOC-AE-18003538 Page 2 of 2 (electronic copy)
Moraan, Lewis & Bockius LLP Paul Bessette U.S. Nuclear Regulatory Commission Lisa M. Regner NRG South Texas LP Mark Walker Jim van Suskil Skip Zahn CPS Energy Kevin Polio Cris Eugster L. D. Blaylock City of Austin Elaina Ball John Wester Texas Dept. of State Health Services Helen Watkins Robert Free