ML17354A203

Revision 19 to Updated Safety Analysis Report, Appendix F, Fire Protection Safe Shutdown Analysis (Redacted)

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 cooldow n using RHR Pu mp "A" in suppression pool cooling mode and RCIC for RPV makeup. SRV(s) are used for pressure control.2.Main condenser is not av ailable.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 operatio n capability unless otherwise stated.

5.Plant mode of operation: Hot shutdown >200

°F.*6.Division 2 components unreliable due to fire in Division 2 ar ea.7.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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 co oldown using RHR Pu mp "A" suppression pool cooling mode and HPCS for RPV makeup. SRV(s) are used for pressure control.2.Main condenser is not av ailable.3.Operations are from the main control room.

4.All valves shown except check valves are motor operated with local manual operatio n capability unless otherwise stated.

5.Plant mode of operation: Hot shutdown >200

°F.*6.Division 2 components unreliable due to fire in Division 2 ar ea.7.RCIC not available.

8.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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 av ailable.4.All valves shown except check valves are motor operated with local manual capabilit y unless other wise shown.

5.Division 2 components unreliable due to fire in Division 2 ar ea.6.Plant mode of operation:

Hot shutdown >200

°F.*Cold shutdo wn 200°F.*7.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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 alternat e shutdown cooling mode. In this mode the suppression pool and RPV are tied together through a const antly open SRV. This method would only be used if the normal shutdown cooling suction flowp ath was unavailable.

2.Main condenser is not av ailable.3.Operations from main control room or remote shutdown panel.

4.All valves shown except check valves are motor operated with local manual capabilit y unless other wise stated.

5.Division 2 components unreliable due to fire in Division 2 ar ea.6.Plant mode of operation:

Hot shutdown >200

°F.*Cold shutdo wn 200°F.*7.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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 in suppression pool cooling mode and RHR Pump "C" shown in LPCI mode

.2.Operation is from main control room.

3.Main condenser is not av ailable.4.No high-pressure RPV makeup ava ilable.5.All valves shown except check valves are motor operated with local manual operatio n capability unless otherwise stated.

6.Division 1 components unreliable due to fire in Division 1 ar ea.7.Plant mode of operation: Hot shutdown >200

°F.*8.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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 av ailable.4.No high-pressure RPV makeup ava ilable.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 operatio n capability unless otherwise stated.

7.Division 1 components unreliable due to fire in Division 1 ar ea.8.Plant mode of operation:

Hot shutdown >200

°F.*Cold shutdo wn 200°F.*9.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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, the suppression pool and RPV are cooled together.

2.Operation is from the main control r oom.3.Main condenser is not av ailable.4.No high-pressure RPV makeup ava ilable.5.All valves shown except check valves are motor operated with local manual operatio n capability unless otherwise stated.

6.Use of this method would only be necessary upon loss of normal shutdown cooling RHR pump suctio n path.7.Division 1 components unreliable due to fire in Division 1 ar ea.8.Plant mode of operation:

Hot shutdown >200

°F.*Cold shutdo wn 200°F.*9.Offsite Power is assumed not available, except for areas where both of the followin g have been demonstrated:

(1)Analysis has shown that the fire will not cause a loss of offsit e power, and (2)Dedicated or alternate shutdown capability (per 10CFR50 Appendix R, section III.G.3 and III.L) is not required for safe shutdown

.*Reactor cool ant average temperature CLINTON 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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