Letter Sequence Other |
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EPID:L-2023-CPS-0000, Us Fish and Wildlife Service Concurrence: Kairos Power, LLC Hermes Reactor at DOE Orr Ettp (Heritage Center) (Approved, Closed) |
Initiation
- Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request, Request
- Acceptance...
Results
Other: ML23268A446, ML23269A176, ML23276B399, ML23311A195, ML24024A226, ML24033A181, ML24043A217, ML24046A173, ML24057A387, ML24103A176, ML24103A178, ML24135A260, ML24135A263, ML24193A214, ML24193A244
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MONTHYEARML23036A0042023-01-27027 January 2023 Us Fish and Wildlife Service Concurrence: Kairos Power, LLC Hermes Reactor at DOE Orr Ettp (Heritage Center) Project stage: Request ML23089A3862023-03-30030 March 2023, 31 March 2023 Kairos Power LLC, Submittal of the Environmental Report for the Kairos Power Fluoride Salt-Cooled, High Temperature Non-Power Reactor (Hermes), Revision 1 Project stage: Request ML23075A1792023-05-0909 May 2023 International, Issuance of Materials License SNM-2516 for the HI-STORE Consolidated Interim Storage Facility ISFSI Project stage: Request ML23132A3042023-05-22022 May 2023 April 11, 2023 Summary of Closed Meeting with Kairos Power, LLC Regarding Consultations Under National Historic Preservation Act Project stage: Request ML23151A7432023-05-31031 May 2023 Kairos Power, LLC, Submittal of the Preliminary Safety Analysis Report for the Kairos Power Fluoride Salt-Cooled, High Temperature Non-Power Reactor (Hermes), Revision 3 Project stage: Request ML23158A2652023-06-13013 June 2023 Safety Evaluation for the Kairos Power LLC Construction Permit Application for the Hermes Non-Power Test Reactor Project stage: Request ML23178A0962023-06-23023 June 2023 Kairos Power, LLC - Supplemental Information for Environmental Report Project stage: Request ML23181A0422023-07-0606 July 2023 June 6 and 14, 2023 Summary of the Closed Meetings with Kairos Power Regarding Section 106 Consultations Project stage: Request ML23237B4652023-09-11011 September 2023 FRN: General Notice. Acceptance for Docketing of the Kairos Power LLC Hermes 2 Test Reactor Construction Permit Project stage: Request ML23268A4462023-10-0303 October 2023 Hermes 2 General Audit Plan Project stage: Other ML23276B3992023-10-0303 October 2023 Email to Kairos Providing the Hermes 2 General Audit Plan Project stage: Other ML23269A1762023-10-11011 October 2023 Kairos Hermes 2 Construction Permit Application Scheduling and Resource Letter Project stage: Other NUREG-2263, Official Exhibit - NRC-008-MA-CM01 - NUREG-2263, Environmental Impact Statement for the Construction Permit for the Kairos Hermes Test Reactor (August 17, 2023)2023-10-12012 October 2023 Official Exhibit - NRC-008-MA-CM01 - NUREG-2263, Environmental Impact Statement for the Construction Permit for the Kairos Hermes Test Reactor (August 17, 2023) Project stage: Request ML23304A2192023-10-31031 October 2023 Joint Proposed Transcript Corrections Project stage: Request ML23311A1952023-11-17017 November 2023 FRN: General Notice. Kairos Power LLC Hermes 2- Construction Permit Application; Opportunity to Request a Hearing and Petition for Leave to Intervene Project stage: Other ML23356A0782023-12-22022 December 2023 Kairos Power, LLC, Transmittal of Changes to Hermes 2 Construction Permit Application – PSAR Chapter 13 and KP-TR-022 Project stage: Request ML24024A2262024-01-24024 January 2024 Hermes 2 General Audit Question 13.1-11 Project stage: Other ML24008A1482024-01-31031 January 2024 Letter to SHPO - Request to Initiate Section 106 Consultation and Scoping Process for Kairos Power Proposed Non-Power Test Reactors (Hermes 2) Construction Permit Project stage: Request ML24008A0992024-01-31031 January 2024 Letter to Achp - Request to Initiate Section 106 Consultation and Scoping Process for Kairos Power Proposed Non-Power Test Reactors (Hermes 2) Construction Permit Project stage: Request ML24009A1742024-01-31031 January 2024 Kairos Hermes 2 CP Review - Request to Initiate Section 106 Consultation Project stage: Request ML24033A1812024-02-0202 February 2024 Hermes 2 General Audit Questions 5.2-6, 5.2-7, 5.2-8, and 5.2-9 Project stage: Other ML24009A1072024-02-0202 February 2024 Kairos Hermes 2 CP Review - Request to Initiate Section 106 Consultation Project stage: Request ML24043A2172024-02-12012 February 2024 Hermes 2 General Audit Questions 5.2-10, 5.2-11, and 5.2-12 Project stage: Other ML24046A1732024-02-15015 February 2024 Hermes 2 General Audit Question 9.3-1 Project stage: Other ML24057A3872024-02-26026 February 2024 Hermes 2 General Audit Questions 5.2-13, 5.2-14, and 5.2-15 Project stage: Other ML24065A1002024-03-0404 March 2024 Kairos Power LLC, Transmittal of Reponses to NRC Requests for Confirmatory Information for the Review of the Hermes 2 Environmental Report Project stage: Request ML24103A1762024-04-12012 April 2024 Transmittal Email from NRC to Kairos Power LLC, Request for Confirmation of Information for the Hermes 2 Preliminary Safety Analysis Report Project stage: Other ML24103A1782024-04-12012 April 2024 Request for Confirmation of Information for Hermes 2 PSAR Project stage: Other ML24135A2632024-05-14014 May 2024 Request for Confirmation of Information 3 for Hermes 2 Preliminary Safety Analysis Report Project stage: Other ML24135A2602024-05-14014 May 2024 Transmittal Email for Request for Confirmation of Information 3 for Hermes 2 Preliminary Safety Analysis Report Project stage: Other ML24193A2142024-07-11011 July 2024 Summary Report for the Regulatory Audit of the Kairos Power Hermes 2 Preliminary Safety Analysis Report - General Audit Project stage: Other ML24193A2442024-07-11011 July 2024 Transmittal Email for the Summary Report for the Regulatory Audit of the Hermes 2 Preliminary Safety Analysis Report Project stage: Other ML24200A1152024-07-19019 July 2024 Safety Evaluation for the Kairos Power LLC Construction Permit Application for the Hermes 2 Non-power Test Reactor Facility Project stage: Approval ML24200A1172024-07-19019 July 2024 Transmittal Letter for the Hermes 2 Safety Evaluation Project stage: Approval 2023-06-23
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Category:Request for Additional Information (RAI)
MONTHYEARML24135A2632024-05-14014 May 2024 Request for Confirmation of Information 3 for Hermes 2 Preliminary Safety Analysis Report ML24103A1782024-04-12012 April 2024 Request for Confirmation of Information for Hermes 2 PSAR ML23006A1112023-01-14014 January 2023 Hermes PSAR General Audit Questions PSAR Section 6.3 ML22227A1922022-08-0808 August 2022 Final RAI 350 for Air Ingress Into the Primary Heat Transport System ML22227A1802022-08-0808 August 2022 Final RAI 348 on Shutdown Rod Reliability ML22224A2402022-07-29029 July 2022 Hermes CP Application General Audit Question on Load Combinations 2024-05-14
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REQUEST FOR CONFIRMATION OF INFORMATION OFFICE OF NUCLEAR REACTOR REGULATION HERMES 2 CONSTRUCTION PERMIT APPLICATION DOCKET NOS. 50-611 AND 50-612 EPID L-2023-CPS-0000
Request for Confirmation #3
Title 10 of the Code of Federal Regulations (10 CFR) 50.34(a) provides requirements for the information that shall be included in the preliminary safety analysis report (PSAR) submitted as part of a construction permit (CP) application. Paragraph 50.34(a)(3)(ii) states that the PSAR shall contain a description of the proposed facilitys design bases and the relation of the design bases to the principal design criteria (PDC).
NUREG-1537, Guidelines for Preparing and Reviewing Applications for the Licensing of Non-Power Reactors, Part 2, identifies the following acceptance criteria in Section 3.1, Design Criteria:
- Design criteria should include references to applicable up-to-date, standards, guides, and codes. They should be stipulated for those features discussed in the format and content guide for this section, as outlined below:
o design for the complete range of normal reactor operating conditions o design to cope with anticipated transients and potential accidents o design redundancy to protect against unsafe conditions in case of single failures of reactor protective and safety systems o design to facilitate inspection, testing, and maintenance o design to limit the likelihood and consequences of fires, explosions, and other potential manmade conditions o quality standards commensurate with the safety function and potential risks o design bases to withstand or mitigate wind, water, and seismic damage to reactor systems and structures o analysis of function, reliability, and maintainability of systems and components
Kairos will provide a final design for the intermediate heat transport system (IHTS) and the safety-related rupture disks (including design features, potential qualification testing, or other justification) with the operating license application that justifies that the rupture disks will reliably perform their safety function to provide overpressure protection for the intermediate heat exchanger. At a minimum, the final design will address the following items:
- The design of the IHTS piping geometry and location of the rupture disks to adequately relieve pressure and provide a relief path for the steam from a postulated superheater tube break,
- The operating environment of the rupture disks, including temperature and chemistry (e.g., hydrogen fluoride exposure),
- The potential for adverse impact on rupture disk function from material aging or degradation due to environmental effects (e.g., extended time at elevated temperatures impacting material properties and rupture disk performance),
- The potential for salt vapor deposition to impede rupture disk function, and
- Design considerations (e.g., redundancy and independence) that would provide increased reliability against potential failure modes not considered based on the preliminary design.