ML17354A203
| ML17354A203 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 12/20/2017 |
| From: | Rankin J K Plant Licensing Branch III |
| To: | Exelon Generation Co |
| Rankin J K, NRR/DORL/LPLIIII, 415-1530 | |
| References | |
| Download: ML17354A203 (251) | |
Text
CPS/USAR REV. 13, JANUARY 2009 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-1 Page 1 of 2 Method 1 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-1 1.Evolution: Depressurization and cooldown using RHR Pump "A" in suppression poolcooling mode and RCIC for RPV makeup. SRV(s) are used for pressure control.2.Main condenser is not available.3.Operations are from the main control room or the remote shutdown panel.4.All valves shown except check valves are motor operated with local manual operationcapability unless otherwise stated.5.Plant mode of operation: Hot shutdown >200°F.*6.Division 2 components unreliable due to fire in Division 2 area.7.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:
(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-1 Page 2 of 2 Method 1 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-2 Page 1 of 2 Method 3 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-2 1.Evolution: Depressurization and cooldown using RHR Pump "A" suppression poolcooling mode and HPCS for RPV makeup. SRV(s) are used for pressure control.2.Main condenser is not available.3.Operations are from the main control room.4.All valves shown except check valves are motor operated with local manual operationcapability unless otherwise stated.5.Plant mode of operation: Hot shutdown >200°F.*6.Division 2 components unreliable due to fire in Division 2 area.7.RCIC not available.
8.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:
(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-2 Page 2 of 2 Method 3 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-3 Page 1 of 2 Method 1 or 3 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-3 1.Evolution: RHR Pump "A" in shutdown cooling mode.2.Operations are from the main control room or remote shutdown panel.3.Main condenser is not available.4.All valves shown except check valves are motor operated with local manual capabilityunless otherwise shown.5.Division 2 components unreliable due to fire in Division 2 area.6.Plant mode of operation:Hot shutdown >200°F.*Cold shutdown 200°F.*7.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:
(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-3 Page 2 of 2 Method 1 or 3 Safe Shutdown Cooling Path
CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-4 1.Evolution: RHR Pump "A" pump in alternate shutdown cooling mode. In this mode thesuppression pool and RPV are tied together through a constantly open SRV. Thismethod would only be used if the normal shutdown cooling suction flowpath wasunavailable.2.Main condenser is not available.3.Operations from main control room or remote shutdown panel.4.All valves shown except check valves are motor operated with local manual capabilityunless otherwise stated.5.Division 2 components unreliable due to fire in Division 2 area.6.Plant mode of operation:Hot shutdown >200°F.*Cold shutdown 200°F.*7.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:
(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-4 Page 2 of 2 Method 1 or 3 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-5 Page 1 of 2 Method 2 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-5 1.Evolution: Rapid depressurization and cooldown with RHR Pump "B" shown insuppression pool cooling mode and RHR Pump "C" shown in LPCI mode.2.Operation is from main control room.3.Main condenser is not available.4.No high-pressure RPV makeup available.5.All valves shown except check valves are motor operated with local manual operationcapability unless otherwise stated.6.Division 1 components unreliable due to fire in Division 1 area.7.Plant mode of operation: Hot shutdown >200°F.*8.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-5 Page 2 of 2 Method 2 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 CLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-6 Page 1 of 2 Method 2 Safe Shutdown Cooling Path CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-6 1.Evolution: RHR Pump "B" operating in shutdown cooling mode.2.Operation is from main control room.3.Main condenser is not available.4.No high-pressure RPV makeup available.5.RHR Pump "C" (not shown) is available for additional makeup to RPV.6.All valves shown except check valves are motor operated with local manual operationcapability unless otherwise stated.7.Division 1 components unreliable due to fire in Division 1 area.8.Plant mode of operation:Hot shutdown >200°F.*Cold shutdown 200°F.*9.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:
(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-6 Page 2 of 2 Method 2 Safe Shutdown Cooling Path
CPS/USAR REV. 13, JANUARY 2009 NOTES FOR FIGURE 1.8-7 1.Evolution RHR Pump "B" in alternate shutdown cooling mode. In this mode, thesuppression pool and RPV are cooled together.2.Operation is from the main control room.3.Main condenser is not available.4.No high-pressure RPV makeup available.5.All valves shown except check valves are motor operated with local manual operationcapability unless otherwise stated.6.Use of this method would only be necessary upon loss of normal shutdown cooling RHRpump suction path.7.Division 1 components unreliable due to fire in Division 1 area.8.Plant mode of operation:Hot shutdown >200°F.*Cold shutdown 200°F.*9.Offsite Power is assumed not available, except for areas where both of the followinghave been demonstrated:(1)Analysis has shown that the fire will not cause a loss of offsite power, and(2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, sectionIII.G.3 and III.L) is not required for safe shutdown.*Reactor coolant average temperatureCLINTON POWER STATION UPDATED SAFETY ANALYSIS REPORT App F. Figure 1.8-7 Page 2 of 2 Method 2 Safe Shutdown Cooling Path
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