ML20245E548
| ML20245E548 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 08/27/2020 |
| From: | NRC/RGN-III/DRS/OLB |
| To: | |
| Callaway G | |
| Shared Package | |
| ML19127A303 | List: |
| References | |
| 50-282/20-01, 50-306/20-01, ES-D-1 50-282/OL-20, 50-306/OL-20 | |
| Download: ML20245E548 (3) | |
Text
Appendix D Scenario Outline Form ES-D-1 Facility: PRAIRIE ISLAND Scenario No.:
1 Op-Test No.: PI-ILT-NRC-2001S Examiners:
Gary Callaway Operators: Hansen, Benjamin (SS)
Joe DeMarshall Dave Lanyi Lindner, Dan (LRO)
Snider, Philip (RO)
Initial Conditions:
Reactor Power:
1x10-8 AMPS Equipment OOS:
NONE Boron Concentration:
549°F Other:
B/U PRZR heaters are ON RCS pressure:
2235 PSIG Two 40 GPM orifices are in service Xenon:
Free prior to S/U Rods:
CBD @ 142 STEPS Main Generator:
0 MW Turnover:
Secure the 11 TD AFW Pump Raise reactor power to the point of adding heat (POAH)
Event No.
Malf.
No.
Event Type*
Event Description 1
N (BOP)
SECURE 11 TD AUXILIARY FEEDWATER PUMP 2
R (ATC)
N (SRO)
RAISE POWER TO THE POAH 3
C (ATC) 12 CHARGING PUMP TRIP 4
C (BOP)
TS (SRO) 11 TD AFWP ACCUMULATOR LOW AIR PRESSURE 5
TS (SRO) 11 CTMT VACUUM BREAKER FAILS CLOSED 6
M (ALL)
FAULTED 12 SG TO CONTAINMENT 7
C (ATC, SRO) 12 MD AFW PUMP FAILS TO AUTO START 8
SI TO FEEDWATER/CONDENSATE RELAY FAILURE (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor
Appendix D Scenario Outline Form ES-D-1 Facility: PRAIRIE ISLAND Scenario No.:
2 Op-Test No.: PI-ILT-NRC-2002S Examiners:
Gary Callaway Operators: Hansen, Benjamin (SS)
Joe DeMarshall Dave Lanyi Lindner (LRO)
(RO)
Initial Conditions:
Reactor Power:
100%
Equipment OOS:
11 TD AFW Pump Boron Concentration:
560°F Other:
RCS pressure:
2235 PSIG Xenon:
Equilibrium Rods:
CBD @ 218 STEPS Main Generator:
582 MW Turnover:
Swap running EH Oil Pumps Event No.
Malf.
No.
Event Type*
Event Description 1
N (BOP)
SWAP RUNNING EH OIL PUMPS 2
I (ATC)
TS (SRO)
CONTROLLING PRZR PRESS CH FAILS LOW 3
TS (SRO)
D1 LOCAL ALARM 4
C (BOP)
TURBINE EH VALVE MALFUNCTION 5
R (ATC)
N (SRO)
RAPID DOWNPOWER TO 50%
6 M (ALL)
LOSS OF ALL AC 7
C (BOP)
TURBINE FAILS TO AUTO TRIP 8
D2 FAILS TO AUTO START 9
C (ATC, SRO) 12 MD AFW PUMP FAILS TO AUTO START (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor
Appendix D Scenario Outline Form ES-D-1 Facility: PRAIRIE ISLAND Scenario No.:
3 Op-Test No.: PI-ILT-NRC-2003S Examiners:
Gary Calloway Operators: Shift Supervisor (SS)
Joe DeMarshall Balance of Plant (LRO)
Dave Lanyi At the Controls (RO)
Initial Conditions:
Reactor Power:
60%
Equipment OOS:
11 SI Pump Boron Concentration:
554°F Other:
RCS pressure:
2235 PSIG Xenon:
Equilibrium Rods:
CBD @ 178 STEPS Main Generator:
338 MW Turnover:
Swap running RMU pumps Event No.
Malf.
No.
Event Type*
Event Description 1
N (BOP)
SWAP RMU PUMPS 2
I (ATC)
TS (SRO) 1ST STAGE PRESSURE INSTRUMENT FAILS LOW 3
R (ATC)
N (SRO)
RESTORE TAVG TO TREF 4
TS (SRO)
PRZR LEVEL INTERLOCK CHANNEL FAILS LOW 5
M (ALL) 11 STEAM GENERATOR TUBE RUPTURE 6
C (BOP, SRO) 11 & 12 RHR PUMPS FAIL TO START AUTOMATICALLY 7
SI TO COOLING WATER RELAY SIGNAL FAILURE (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor