ML12132A324

2012 Dresden Nuclear Power Station Initial License Examination ES-D-1 ILT-N-2

ML12132A324
Person / Time
Site:	Dresden
Issue date:	04/05/2012
From:	David Reeser Operations Branch III
To:	David Reeser, 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: ML12132A324 (1)

Text

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) / ATC / BOP Initial Conditions:

/ CRS Initial Power = 75% Turnover: Load drop to support FRV maintenance Swap Reactor Building Fans for maitenance Event Remove 2B FRV from service for maintenance No. Malf. No. Event Type* Event Description 1 NONE N B OP HVAC - Reactor Building Fans, Swap For Maintenance 2 NONE N ATC FW - FWRV, Remove From Service For Maintenance 3 ADS3CBN ADS3CSD C / T BOP MAIN STEAM

- ERV, Spurious Opening 4 RRMFNALO RRDFBTRP C ATC HVAC - Recirc MG Vent Fan, Trips Due To Overcurrent 5 HPINIT I / T BOP HPCI - System, Spurious Initiation 6 SER0512 C ATC DWEDS - Alarm Failure, Manually Pump Sumps 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.

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