Residual Heat Removal (RHR) is a mode of Low Pressure Injection System which is meant to cool the reactor core after its shutdown. Since fuel will still be reactive to some degree it will continue to give off heat. The RHR prevents the water covering the pool from getting hot and boiling off.
Modes
Shutdown Cooling
The shutdown cooling (SDC) mode of RHR is meant for long term reactor vessel to RHRSW heat exchangers.
Low Pressure Cooling Injection
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| | Site | Start date | Title | Description |
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| NL-22-0316, Emergency License Amendment Request for Technical Specification 3.7.2 Regarding One-Time Extension of Completion Time for Plant Service Water (Psw) Pump Inoperable | Hatch | 30 November 2022 | Emergency License Amendment Request for Technical Specification 3.7.2 Regarding One-Time Extension of Completion Time for Plant Service Water (Psw) Pump Inoperable | | | IR 05000324/2022010 | Brunswick | 27 June 2022 | Design Basis Assurance Inspection (Teams) Inspection Report 05000324 2022010 and 05000325 2022010 | | | ML22167A140 | Hatch
University of California - Irvine | 22 June 2022 | Pre-Submittal Public Meeting Slides for Rewrite TS-3.7.2 License Amendment | | | ML22116A003 | | 21 June 2022 | 2022 Report on Preparedness for Accident Tolerant Fuel Licensing, Including Higher Burnup and Increased Enrichment | | | ML22171A013 | Surry | 20 June 2022 | Units, Units 1 and 2 - Proposed License Amendment Request Administrative Changes to Subsequent Renewed Operating Licenses and Technical Specifications | | | ND-22-0331, ITAAC Closure Notification on Completion of ITAAC 2.6.01.04e (Index Number 588) | Vogtle | 16 June 2022 | ITAAC Closure Notification on Completion of ITAAC 2.6.01.04e (Index Number 588) | | | ND-22-0443, ITAAC Closure Notification on Completion of ITAAC 2.5.04.02.i (Index Number 557) | Vogtle | 16 June 2022 | ITAAC Closure Notification on Completion of ITAAC 2.5.04.02.i (Index Number 557) | | | ND-22-0201, ITAAC Closure Notification on Completion of ITAAC 2.5.02.08a.ii (Index Number 540) | Vogtle | 14 June 2022 | ITAAC Closure Notification on Completion of ITAAC 2.5.02.08a.ii (Index Number 540) | | | ND-22-0419, Report of 10 CFR 50.59 Changes, Tests, and Experiments and 10 CFR 52 Appendix D Departure Report | Vogtle | 14 June 2022 | Report of 10 CFR 50.59 Changes, Tests, and Experiments and 10 CFR 52 Appendix D Departure Report | | | ML22161B014 | 05007513 | 10 June 2022 | Kairos Power LLC, Changes to Preliminary Safety Analysis Report Chapter 7 | |
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