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2012 Dresden Nuclear Power Station Initial License Examination ES-D-1 ILT-N-2 Rev 1
	ML12284A373
Person / Time
Site:	Dresden
Issue date:	09/26/2012
From:	David Reeser; Operations Branch III
To:	Nelson J; Exelon Generation Co
Shared Package
ML11354A121	List: ML12132A315; ML12132A316; ML12132A317; ML12132A318; ML12132A319; ML12132A320; ML12132A321; ML12132A322; ML12132A323; ML12132A324; ML12132A325; ML12132A327; ML12132A328; ML12284A310; ML12284A317; ML12284A326; ML12284A332; ML12284A336; ML12284A338; ML12284A342; ML12284A366; ML12284A373; ML12284A378; ML12291A685; ML12291A688;
References
	Download: ML12284A373 (1)
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TQ-AA-151-F10 Revision 0 Page 1 of 1 SRRS: 3D.105 Scenario Outline Station: Dresden Generating Station Scenario No.: ILT-N-2 Class ID:

Evaluators Operators

/ crew position 11-1 (2012-301)

/ BOP Initial Conditions:

/ CRS Initial Power = 70%

Load dropped to support FRV Maintenance Turnover:

Remove 2B FWRV From Service For Maintenance Swap Reactor Building Fans For Maintenance Event Place HPCI on the Turning Gear No.

Malf.

No.

Event Type*

Event Description 1

NONE N

BOP HVAC - Reactor Building Fans, Swap For Maintenance 3

NONE N

ATC FW - FWRV, Remove From Service For Maintenance 4

RRMFAEXH C

ATC HVAC - Recirc MG Vent Fan, Degrades Causing Low Flow 4

HPTGFAIL C / T BOP HPCI - System, Inoperable Due to Failure of Turning Gear to Engage 5

SER0512 C

ATC DWEDS - Alarm Failure, Manually Pump Sumps 6

ADS3CBN ADS3CSD C / T BOP MAIN STEAM - ERV, Spurious Opening 7

NP2 M

TEAM Manual Scram - Loss Of Instrument Air System.

8 HPRMBRKP M

TEAM EMERGENCY DEPRESSURIZE - On 2 Areas Above Max Safe Radiation Levels Due To HPCI Steam Line Leak into the HPCI Room.

ML12284A373