ML21256A180

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2021 Point Beach Initial License Exam Forms ES-D-1
ML21256A180
Person / Time
Site: Point Beach  NextEra Energy icon.png
Issue date: 08/12/2021
From: Chuck Zoia
NRC/RGN-III/DRS/OLB
To:
Shared Package
ML20139A040 List:
References
Download: ML21256A180 (3)


Text

Appendix D Scenario Outline Form ES-D-1 Facility: __Point Beach___ Scenario No.: ______1______ Op-Test No.: __2021__

Examiners: ___________________________ Operators: _____________________________

Initial Conditions: _Reactor power is 28% for flux mapping. G03, EDG is out of service due to ____

_to maintenance with G04, EDG aligned. 1LT-426, PZR Level transmitter (Red) removed from____

_service.________________________________________________________________________

Turnover:_Raise power to 50% at 15% per hour per OP 1C, Startup to Power Operations.________

Critical Tasks:_CT-24, Energize At Least One Emergency Bus _____________________________

_CT-25, Manually Start SW Pump For EDG Cooling______________________________________

Event Malf. Event Event No. No. Type* Description R-RO Normal Up Power 1 N-BOP N-SRO C-RO Single Dropped Rod 2 C-SRO TS-SRO 2019 Repeat C-BOP 1HC-478, SG B Atmospheric Steam Dump controller fails in auto, C-SRO valve fully opens, in manual will only close to 50%, requiring local 3 TS-SRO manual isolation valve operation New M-ALL Loss of All AC Power 4 A Train EDG success path C-BOP P-32A/B SW Pumps do not Auto Start after Restoration of 'A' Train C-SRO EDG 5

New C-RO Multiple (4) Stuck Rods Post Trip, requires boration 6 C-SRO 2017 Repeat

  • (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor

Appendix D Scenario Outline Form ES-D-1 Facility: __Point Beach___ Scenario No.: ______2______ Op-Test No.: __2021__

Examiners: ___________________________ Operators: _____________________________

Initial Conditions: _0% power Mode 2. G02, EDG is OOS with G01, EDG is aligned, 1W-3A, ______

_Containment Shroud Fan OOS, 1PT-949, Containment Pressure transmitter removed from service.

Turnover:_A plant up power to the POAH is planned per OP 1B, Reactor Startup ________________

Critical Tasks:_CT-5, Manually Start At Least One Low-Head ECCS Pump _____________________

_CT-36, Transfer to Cold Leg Recirculation ______________________________________________

Event Malf. Event Event No. No. Type* Description R-RO Raise Power to POAH 1 N-BOP N-SRO C-BOP 1A06, 4160 Safeguards Bus Feeder Breaker trip - Does NOT auto C-SRO restore, needs to be manually restored.

2 TS-SRO NEW C-RO 1P-1B RCP thrust bearing failure/vibrations requiring manual C-SRO reactor trip (degradation of flow or a trip of the pump) 3 TS-SRO NEW C-RO Reactor Trip breakers fail to auto open and buttons on 1C04 are C-SRO unsuccessful (C01 still works) 4 2017 Repeat 5 M-ALL Design Basis LBLOCA C-RO 1P-10B RHR pump trips, 1P-10A RHR pump fails to auto start 6 C-SRO 2017 Repeat

  • (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor

Appendix D Scenario Outline Form ES-D-1 Facility: __Point Beach___ Scenario No.: ______4______ Op-Test No.: __2021__

Examiners: ___________________________ Operators: _____________________________

Initial Conditions: _Reactor power is 47%. G03, EDG is out of service due to maintenance with ____

_G04, EDG aligned. 1LT-426, PZR Level transmitter (Red) removed from service _______________

Turnover:_Conduct an up power to 100% power at 15% per hour per OP 1C, Startup to Power_____

_Operations_______________________________________________________________________

Critical Tasks:_CT-3, Manually Actuate Containment Cooling ________________________________

_CT-17, Isolate Faulted SG___________________________________________________________

Event Malf. Event Event No. No. Type* Description C-RO Letdown inadvertently isolates, needs to be re-established 1 C-SRO NEW R-RO Inadvertent Turbine trip with no reactor trip 2 C-BOP R-SRO NEW C-RO Seismic event C-SRO 1P-11A, CCW pumps failure due to a mechanical failure requiring 3 TS-SRO pump shift 2019 Repeat M-ALL Seismic event causes multiple dropped rods, without an automatic 4 RX Trip C-BOP Steam Generator fault in containment upstream of the orifice 5 C-SRO NEW C-BOP Containment Spray fails to actuate 6 C-SRO 2017 Repeat

  • (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor