ML082530420
| ML082530420 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 06/12/2008 |
| From: | Caruso J Operations Branch I |
| To: | |
| Hansell S | |
| Shared Package | |
| ML081630455 | List: |
| References | |
| Download: ML082530420 (3) | |
Text
OC NRC Re-Take Exam 2008 C
SRO l 3 TS BOP MAL-EDS003B Scenario Outline MAL-NIS021 F Facility: Ovster Creek Scenario No.: NRC 1 Op Test No.: 2008-1 Examiners:
Operators:
Initial Conditions:
100% Power RWCU Pump B 00s RWM is bypassed and 00s 8
Turnover:
0 Perform 602.4.004, Main Steam Isolation Valve 10% Closure Test.
MAL-RCUOI 3 VLV-RCU001 M
ALL VLV-RCUOO4 11 Eiwnt 1 Malf. No.
2 1
VLV-RPS004 TS SRO I
MAL-CRD005-22-15 1
1 MAL-SWS001A 1 1 1 !E MAL-CFWOI 7 RO MAL-CNS004C 1 1
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.
TS 3.7.B, ABN-45 LOSS Of USS 1A2 APRM 6 hop. Failure causes %. scram Control Rod Drift Out AB N -6 I Con t ro I Rod M a If u n ct i o n s Respond to trip of Service Water Pump 1-1 ABN-18 Service Water Failure Response Main Condenser Vacuum Leak Power Reduction required ABN-14 Loss of Condenser Vacuum RWCU Leak in the Reactor Building RWCU fails to isolate Secondary Containment Control EOP Emergency Depressurization required RAP-G2f A Containment Spray pump trips while in Torus Cooling (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor Transient (TS) Tech Spec NRC 1 Page 1 of 29
OC NRC Retake Exam 2008 4
Scenario Outline MAL-SRO Uncoupled Control Rod ATC ABN-6 Control Rod Malfunction C
SRO EMRV A Inadvertently Opens TS BOP ABN-40 Stuck Open EMRV; TS 3.4.B CRD008-34-11 SWI-ADS001C Facility: Oyster Creek Scenario No.: NRC 2 Op Test No.: 2008-1 6
9 Examiners:
Operators:
SRO-Steve Johnston MAL-CRD005 MAL-RPSOOG C
SRo fails, ARI required SWI-RPS006 ABN-6 Control Rod Malfunction MAL-NSSOI 7A MAL-PCN001 N ALL Vacuum Breaker fails open VLV-CNSOOG SRO Containment Spray System failures leads to PMP-CNS008A ALL Emergency Depressurization Multiple control rod drifts, Manual scram required and Steam leak in Primary Containment, DW/Torus Failure of RWCU System to automatically isolate on ALL high DW pressure MAL-RPS007 Initial Conditions:
90%Power RWM is bypassed and 00s lsophase Bus Fan A is 00s 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 Increase reactor Dower to rated IAW the ReMA
1 N/A I
Event Malf. No.
Event Event No.
Description 2
1 N/A I R A Alarms, Pump ANN-E2D VLV-NSSOOG Failures TS 3.3.F.
NRC 2 Page 1 of 26
OC NRC Re-Take Exam 2008 Scenario Outline Facility: Oyster Creek Scenario No.: - NRC 3 Op Test No.: 2008-1 Examiners :
Operators:
RO-Steve Johnston Initial Conditions:
0
%?%Power RWM bypassed and 00s 0
TBCCW pump 2 00s Turnover:
0 Raise reactor power IAW the ReMA Event No.
1 2
3 4
Malf. No.
NIA PMP-CRD002A CRD007-3823 MAL-I CH-CFW069A MAL-NSSOl7A CRD021A CRD021 B MAL-MAL-MAL-CRDOOIA Event TY Pe*
ATC ATC ATC ATC ALL ATC Event Description Raise Reactor Power with Control Rods CRD Pump 1A Shaft Failure Stuck Control Rod Condensate Pump B Motor Bearing Hi Temp Requires Power Reduction with Recirculation Flow to Approximately 65% power Small Steam Leak in Primary Containment with Hydraulic ATWS
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CRD Flow Control Valve Fails Closed Requiring Alternate Control Rod Insertion Methods (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor Transient (TS) Tech Spec NRC 3 Page 1 of 18