ML12132A327

2012 Dresden Nuclear Power Station Initial License Examination ES-D-1 ILT-N-4

ML12132A327
Person / Time
Site:	Dresden
Issue date:	04/05/2012
From:	David Reeser Operations Branch III
To:	Nelson J Exelon Generation Co
Shared Package
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References
Download: ML12132A327 (1)

Text

TQ-AA-151-F10 Revision 0 Page 1 of 1 Scenario Outline Station: Dresden Generating Station Scenario No.: ILT-N-4 Class ID: 11-1 (2012-301)

Evaluators Operators / crew position

/ ATC

/ BOP

/ CRS Initial Conditions: Initial Power = 50%

Turnover: Maintain load per TSO direction.

Event Malf. Event Event No. No. Type* Description 1 NONE C BOP TBCCW - Pump, Swap Due To Degrading Pump 2 B02 C/T ATC RPS - MG Set, Trips / Re-energize From Reserve Power NII12POT 3 I/T ATC NI - APRM, Fails With Partial Half Scram NIA2POT 4 H21 C ATC FW - Cond/Bstr Pump, Trips Due To Overcurrent 5 ICTUBLK C/T BOP ISO COND - System, Tube Leak TURBINE AUX - Loss Of All Turbine Seal Oil, With Failure 6 K50 C BOP Of ESOP To Start 7 I21 M TEAM Manual Scram - Steam Leak in the Drywell.

I21 EMERGENCY DEPRESSURIZE - On Exceeding Primary 8 K23 M TEAM Containment Pressure Due To Steam Leak inside the K40 Drywell And Partial Loss of Ability to Spray the Drywell

• (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor, (T)ech Spec SRRS: 3D.105