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Category:Preliminary Safety Analysis Report (PSAR)
MONTHYEARML24144A0922024-05-23023 May 2024 Enclosure 1: Hermes 2 Preliminary Safety Analysis Report ML24144A0942024-05-23023 May 2024 Enclosure 3: KP-TR-022-NP Hermes 2 Postulated Event Methodology Revision 1 ML24138A2132024-05-16016 May 2024 Enclosure 1: Changes to Hermes 2 PSAR Chapters 3, 5 and 13 (non-proprietary) ML24136A2552024-05-15015 May 2024 Enclosure 1: Changes to Hermes 2 PSAR Chapter 9 ML24073A3192024-03-13013 March 2024 Enclosure 1: Changes to Hermes 2 PSAR Chapter 13 ML24072A2992024-03-12012 March 2024 Enclosure 1 - Changes to Hermes 2 PSAR Chapter 7 ML24039A1912024-02-0808 February 2024 Kairos Power LLC, Changes to Hermes 2 PSAR Chapter 2 ML24031A1392024-01-30030 January 2024 Kairos Power LLC, Changes to Hermes 2 Preliminary Safety Analysis Report (PSAR) Chapter 3 ML24026A3012024-01-26026 January 2024 Kairos Power, LLC, Changes to Hermes 2 Preliminary Safety Analysis Report (PSAR) Chapter 7 ML24025C6872024-01-24024 January 2024 Kairos Power LLC, Changes to PSAR Chapter 3 and 9 ML24011A2922024-01-11011 January 2024 Kairos Power LLC, Preliminary Safety Analysis Report, Chapter 9 ML24009A2492024-01-0909 January 2024 Kairos Power LLC, Changes to Hermes 2 Preliminary Safety Analysis Report (PSAR) Chapter 9 ML24003A7672024-01-0303 January 2024 Kairos Power LLC, Changes to Hermes 2 Construction Permit Application (PSAR) Chapters 4, 5, 7, and 13 ML23356A0802023-12-22022 December 2023 Enclosure 1: Kairos Power, LLC, Changes to Preliminary Safety Analysis Report (PSAR) Chapter 13 ML23355A1632023-12-21021 December 2023 Enclosure 1: Changes to Hermes 2 PSAR Chapter 4 ML23355A1942023-12-21021 December 2023 Kairos Power LLC, Changes to Preliminary Safety Analysis Report (PSAR) Chapter 3 and Chapter 5 ML23349A1492023-12-15015 December 2023 Kairos Power LLC, Changes to Preliminary Safety Analysis Report (PSAR) Chapter 2 ML23151A7452023-05-31031 May 2023 Enclosure 1 - Preliminary Safety Analysis Report ML23115A3952023-04-25025 April 2023 Kairos Power, LLC - Enclosure 1, Changes to Hermes PSAR Chapters 2, 3, 4, 7, 8, 9, 13, and 14 ML23034A2142023-02-0303 February 2023 Kairos Power LLC, Changes to Preliminary Safety Analysis Report (Psar), Revision 1, Chapter 2 ML22353A6252022-12-19019 December 2022 Kairos Power LLC, Transmittal of Changes to Preliminary Safety Analysis Report Chapter 6 and Response to NRC Question on Dhrs Testing ML22286A2432022-10-13013 October 2022 Kairos Power, LLC - Preliminary Safety Analysis Report ML22285A2292022-10-12012 October 2022 Enclosure 1: Changes to PSAR Chapter 4 ML22284A1532022-10-11011 October 2022 Kairos Power LLC, Changes to Preliminary Safety Analysis Report Chapter 13 ML22284A1562022-10-11011 October 2022 Enclosure 1: Changes to Hermes PSAR Chapters 3, 4, 6, and 14 ML22279B0642022-10-0606 October 2022 Enclosure 1: Changes to Hermes PSAR Chapters 3 and 7 ML22272A5952022-09-29029 September 2022 Enclosure 1: HER-PSAR-001, Preliminary Safety Analysis Report, Rev. 1 ML22263A0352022-09-19019 September 2022 Kairos Power, LLC - Transmittal of Changes to Construction Permit Application - Exemptions Enclosure, PSAR Chapter 1, PSAR Chapter 3, and PSAR Chapter 14S ML22263A0342022-09-19019 September 2022 Enclosure 2 - Changes to PSAR Chapter 15 (Non-Proprietary) ML22259A1412022-09-16016 September 2022 Kairos Power, LLC, Changes to Preliminary Safety Analysis Report (PSAR) Chapters 3 and 4 ML22256A3012022-09-13013 September 2022 Enclosure 1: Changes to Hermes PSAR Chapters 3, 4, and 6 ML22250A6802022-09-0707 September 2022 Enclosure 1: Changes to PSAR Chapters 4 and 5 ML22242A1682022-08-30030 August 2022 Kairos Power LLC, Changes to Construction Permit Application - PSAR Chapters 3, 4, 8, and 13 ML22237A3262022-08-25025 August 2022 Kairos Power LLC, Changes to Preliminary Safety Analysis Report Chapters 3, 4, 5, 9 and 14 ML22236A5952022-08-24024 August 2022 Kairos Power, LLC, Preliminary Safety Analysis Report, Chapter 6 ML22231B0302022-08-19019 August 2022 Enclosure 1: Change to Hermes PSAR Chapter 14 ML22230D0492022-08-18018 August 2022 Kairos Power LLC, Changes to Preliminary Safety Analysis Report (PSAR) Chapter 4.2 ML22252A2592022-08-18018 August 2022 Kairos Power LLC, Changes to Preliminary Safety Analysis Report Table 4.2-5 ML22230D0532022-08-18018 August 2022 Enclosure 1 - Changes to PSAR Table 4.2-5 ML22224A2022022-08-12012 August 2022 Enclosure 2: Changes to Preliminary Safety Analysis Report Chapter 13 ML22210A3192022-07-29029 July 2022 Enclosure 1: Changes to PSAR Chapter 4 and Chapter 6 ML22209A1392022-07-27027 July 2022 Enclosure 1: Change to Hermes PSAR Chapter 5 ML22181B0562022-06-30030 June 2022 Enclosure 1: Changes to PSAR Chapter 7 ML22181B1592022-06-30030 June 2022 Enclosure 1 - Changes to PSAR Chapters 3, 4, and 6 (Non-Proprietary) ML22181B1762022-06-30030 June 2022 Enclosure 1 - Changes to PSAR Chapter 4.2 ML22181B1132022-06-27027 June 2022 Enclosure 1: Changes to PSAR Chapter 3 ML22178A2382022-06-27027 June 2022 Enclosure 1: Changes to PSAR Chapter 9 ML22171A0172022-06-20020 June 2022 Kairos Power, LLC Preliminary Safety Analysis Report ML22167A1922022-06-16016 June 2022 Kairos Power LLC, Changes to Construction Permit Application - PSAR Chapter 14 ML22161B0142022-06-10010 June 2022 Kairos Power LLC, Changes to Preliminary Safety Analysis Report Chapter 7 2024-05-23
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KP-NRC-2206-009 Enclosure 1 Changes to PSAR Chapter 9 (Non-Proprietary)
Preliminary Safety Analysis Report Auxiliary Systems 9.2 REACTOR BUILDING HEATING, VENTILATION, AND AIR CONDITIONING SYSTEMS 9.2.1 Description The reactor building heating ventilation and air conditioning system (RBHVAC) provides independent environmental control to the Reactor Building (RB) and associated habitable spaces. In addition to directly supporting environmental control for workers in designated low hazard zones, the RBHVAC ensures ventilation air flow and leakage is designed to be from a low hazard potential to a higher hazard potential. The RBHVAC system in the RB is independent from the ventilation systems of surrounding buildings.
The RBHVAC performs the following non-safety related functions:
- Maintain environmental conditions (air quality, temperature, humidity, pressure, and noise levels) for personnel health, habitability, and for SSC operability.
- Provide a means to control and monitor tritium, beryllium and other controlled effluents.
- Monitor exhaust air vented from the RB for controlled effluents.
- Ensure ventilation flow and leakage from areas of low hazard to areas of higher hazard potential.
- Minimize contamination of facility areas.
The system is comprised of fans, duct work, dampers, heaters, and filters that draw filtered supply air from the atmosphere and supply it to the RB. Ventilation exhaust that is discharged to the atmosphere from portions of the RB that potentially contain contaminants during normal operation is monitored and utilizes appropriate filtration, including HEPA filters.
9.2.2 Design Bases The RBHVAC systems ensure that temperature, relative humidity and air circulation rates are within limits for personnel and equipment. The systems are also designed to ensure that normal sources of airborne radioactive material, including tritium, are controlled so that occupational doses do not exceed the requirements of 10 CFR 20. In addition, the RBHVAC system ensures that chemical hazards (such as Beryllium) are within applicable limits.
Consistent with PDC 2, Design Bases for Protection Against Natural Phenomena, safety-related SSCs located near the RBHVAC are protected from the adverse effects of RBHVAC failures during a design basis earthquake.
Consistent with PDC 60, Control of Releases of Radioactive Materials to the Environment, the RBHVAC is designed to control the release of radioactive materials in gaseous effluents during normal reactor operation.
Consistent with PDC 64, Monitoring Radioactivity Releases, the RBHVAC is designed to provide for monitoring the reactor building effluent discharge paths for radioactivity that may be released during normal operations.
Consistent with 10 CFR 20.1406, the RBHVAC is designed, to the extent practicable, to minimize contamination of the facility and the environment, and facilitate eventual decommissioning.
9.2.3 System Evaluation The RBHVAC does not perform safety-related functions and is not credited for the mitigation of postulated events. The system is also not credited for performing safe shutdown functions.
Portions of the RBHVAC may be located in proximity to SSCs with safety-related functions. Those safety-related SSCs are protected from failure of the RBHVAC during a design basis earthquake by either Kairos Power Hermes Reactor 9-23 Revision 0