ML22167A044
| ML22167A044 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 10/12/2016 |
| From: | Randy Baker NRC/RGN-III/DRS/OLB |
| To: | Entergy Nuclear Operations |
| Baker R | |
| Shared Package | |
| ML17037C879 | List: |
| References | |
| Download: ML22167A044 (3) | |
Text
Appendix D Scenario Outline Form ES-D-1 Facility: PALISADES NUCLEAR PLANT Scenario No.: _____1________
Op-Test No.: __1______
Examiners: __________________________ Operators:
Initial Conditions: The Unit is 74% power, middle of core life. P-54A, Containment Spray pump is tagged OOS for seal cooler inspection.
Turnover: Shift orders are to alternate operating CCW pumps and continue the power escalation to full power.
Event No.
Malf.
No.
Event Type*
Event Description 1
N/A ATC (N)
SRO (N)
Alternate operating CCW pumps 2
N/A ATC (R)
SRO (R)
Commence power escalation 3
ATC (C)
SRO (C)
Primary water totalizer failure to stop at programmed value (during ramp, manual action required to secure dilution) 4 BOP (I)
SRO (I,T)
West ESS room ventilation rad monitor failure 5
ATC (C)
SRO (C,T)
Loss of Preferred AC Bus Y-10 (inverter failure) 6 BOP (C)
SRO (C)
Turbine Governor Valve GV3 and GV4 fail shut 7
BOP (C)
Failure of turbine to auto trip 8
ALL (M)
ESDE (Main Steamline Rupture) inside containment (ramped in at time of trip) 9 ATC (C)
SRO (C)
Left Channel Containment Spray fails to auto or manually actuate (requires manual alignment and start of P-54B)
(N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor
Appendix D Scenario Outline Form ES-D-1 Facility: PALISADES NUCLEAR PLANT Scenario No.: _____2________
Op-Test No.: __1______
Examiners: __________________________ Operators:
Initial Conditions:
The Unit is at 100% RTP in the middle of core life. P-66B HPSI Pump is tagged out of service for an impeller replacement.
Turnover: Shift orders are to cycle control valves per Section 7.9.1 of SOP-3.
Event No.
Malf.
No.
Event Type*
Event Description 1
ATC (N)
SRO (N)
Cycle Control Valves CV-3055, CV-3223, and CV-3212 per SOP-3 2
BOP (C)
SRO (C)
Main Generator Voltage Regulator fails with concurrent fluctuation in grid voltage 3
BOP (I)
SRO (I,T)
S/G A level transmitter LT-701 output fails low 4
ATC (I)
SRO (I,T)
Hot Leg #1 RTD fails low 5
BOP (C)
ATC (R)
SRO (C,R)
Cooling Tower Pump P-39B trips and Rapid Downpower (due to degrading vacuum) 6 ATC (C)
SRO (C,T)
P-50D lower seal failure. 4 minutes later, the middle seal fails, requiring the Unit to be taken offline.
7 ALL (M)
Small Break LOCA (350 gpm leakage from charging line piping at reactor vessel) 8 ATC (C)
SRO (C)
Failure of SIAS to automatically or manually actuate (must manually start/align equipment) 9 ATC (C)
HPSI Pump P-66A trips on ground O/C when manually started (no HPSI flow available)
(N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor
Appendix D Scenario Outline Form ES-D-1 Facility: PALISADES NUCLEAR PLANT Scenario No.: _____3___________
Op-Test No.: __1______
Examiners: __________________________ Operators:
Initial Conditions:
The Unit is middle of core life at 45% RTP. P-1B Main Feedwater pump has just been returned to service following repair of an oil leak.
Turnover: P-55A charging pump is OOS for a seal leak. P-8A AF pump is OOS to support a breaker inspection. Shift orders to place the second Heater Drain pump online per SOP-10 and continue power ascension to full power.
Event No.
Malf.
No.
Event Type*
Event Description 1
N/A BOP (N)
SRO (N)
Start second Heater Drain pump per SOP-10 2
N/A ATC (R)
SRO (R)
Commence power escalation 3
BOP (C)
SRO (C,T)
Loss of A Control Room HVAC Train 4
ATC (I)
SRO (I,T)
Channel B Pressurizer Pressure controller failure 5
ATC (C)
BOP (C)
SRO (C,T)
Loss of DC Panel ED-11-1 (prevents left train from generating AFAS) 6 ALL (M)
LOOP coincident with spurious closure of B MSIV. Security calls and reports and earthquake.
7 BOP (C)
SRO (C)
When Aux Feedwater is actuated (auto or manual), S/G B Control Valve CV-0736A fails to open, requiring manual operation to feed S/G B with P-8C.
8 BOP (C)
SRO (C) 2 B MSSVs stick open (2 minutes after the B MSIV closes).
(N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor