ML082490766

Oyster Creek Retake Exam Draft - Outlines (Folder 2)

ML082490766
Person / Time
Site:	Oyster Creek
Issue date:	06/12/2008
From:	NRC Region 1
To:
Hansell S
Shared Package
ML081630455	List: IR 05000219/2008302 ML081640460 ML082250262 ML082490762 ML082490766 ML082530401 ML082530408 ML082530420 ML083220038 ML083240604
References
Download: ML082490766 (3)

Text

OC NRC Re-Take Exam 2008 Scenario Outline Event No. Facility: Ovster Creek Scenario No.: NRC 1 Op Test No.: NRC 2008-1 Malf. No. Event TY Pe* Examiners: Operators:

S RO-Steve Johnston 1 Initial Conditions:

0 100% Power 0 RWCU Pump "9" 00s 0 RWM is bypassed and 00s Turnover:

0 Perform 602.4.004, Main Steam Isolation Valve 10% Closure Test. NIA N 2 I VLV-RPS004 TS 7 n MAL-EDS003B MAL-CFWO17 R /I 4 I MAL-NIS021F 8 9 1 1 %l05-22-15 1 MAL-SWSOOI B MAL-RCUO13 VLV-RCU001 M VLV-RCUOW MAL-CNS004A c or B or C or D SRO BOP SRO SRO BOP SRO RO SRO RO SRO BOP SRO RO ALL SRO BOP - Event Description Performs 602.4.004, Main Steam Isolation Valve 10% Closure Test.

MSlV NS04B sticks open during Closure Test TS 3.5.3. Respond to Loss of USS 1A2 480V bus. APRM 6 hop. Failure causes

% scram TS 3.7.B, ABN-45 "LOSS of USS 1A2" RAP-G2f Control Rod Drift Out ABN-6 "Control Rod Malfunctions" Respond to trip of Service Water Pump 1-2 ABN-18 "Service Water Failure Response Main Condenser Vacuum Leak Power Reduction required ABN-14 "Loss of Condenser Vacuum" 7. RWCU Leak in the Reactor Building RWCU fails to isolate Secondary Containment Control EOP Emergency Depressurization required A Containment Spray pump trips while in Torus Cooling (I)nstrument, (C)omponent, (M)ajor Transient (TS) Tech Spec NRC 1 Page 1 of 27 OC NRC Retake Exam 2008 Scenario Outline MAL-CRD005 MAL-RPSOOG

SWI-RPS006 MAL-NSSOI 78 MAL-PCN001 N MAL-RPS007C VLV-CNS008 PMP-CNS008A Facility: Oyster Creek Scenario No.: NRC 2 Op Test No.: NRC 2008-1 Examiners:

Operators:

SRO- Steve Johnston C M C initial Conditions:

90% Power RWM is bypassed and 00s lsophase Bus Fan "A" is 00s 0 Main Generator voltage control is in manual Turnover:

Restore the amplidyne to service and transfer main generator voltage control to automatic IAW 336.1 "24KV Main Gen Electrical System" I Event No. I 2 Malf. No. I Event CRD008-34-11 x C SWI-ADS001C ANN-E6D ANN-E2D VLV-NSSOOG

• (N)ormal, (R)eactivity, le* SRO ATC SRO BOP SRO ATC SRO BOP SRO BOP SRO ATC ALL SRO BOP IAW the ReMA Event Description

~~ Restore the amplidyne to service and transfer main generator voltage control to automatic IAW 336.1 "24KV Main Gen Electrical System" Increase reactor power with control rods Uncoupled Control Rod ABN-6 "Control Rod Malfunction" EMRV "A Inadvertently Opens ABN-40 "Stuck Open EMRV'; TS 3.4.8 ~~ ~ ~ ~ Respond to Reactor Recirc Pump "A' Alarms, Pump Discharge Valve fails to close ABN-2 "Recirculation System Failures" TS 3.3.F. Multiple control rod drifts, Manual scram required and fails, ARI required ABNB "Control Rod Malfunction" Steam leak in Primary Containment, DWiTorus Vacuum Breaker fails open Failure of RWCU to Auto isolate, Containment Spray System failures (I)nstrument, (C)omponent, (M)ajor Transient (TS) Tech Spec NRC 2 Page 1 of 21 OC NRC Re-Take Exam 2008 Scenario Outline Event TY Pe* Facility:

Oyster Creek Scenario No.: NRC 3 Op Test No.: NRC 2008-1 Event Description Examiners: Operators:

RO- Steve Johnston ATC ATC ATC ALL Initial Conditions:

92%Power RWM bypassed and 00s TBCCW pump 2 00s Turnover: Increase reactor power to 100% IAW ReMA Increase Power with Rods

& Recirc Flow to 100% Power Stuck Control Rod CRD Pump 1A Shaft Failure Condensate Pump B Motor Bearing Hi Temp requires power reduction with Recirculation Flow to approx. 65% power Small Steam leak in containment with Hydraulic ATWS Event Malf. No. No. 1 PMP- CRD002A 4 ICH-CW069A MAL- NSSOl7D CRD021A CRD021 B CRDOOI A MAL- MAL- MAL- ATC I CRD FIOW Control Valve fails to 0% i (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor Transient (TS) Tech Spec NRC 3 Page 1 of 14