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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 Scenario Outline Station: Dresden Generating Station Scenario No.: ILT-N-2 Class ID: 11-1 (2012-301)

Evaluators Operators / crew position

/ ATC

/ BOP

/ CRS Initial Conditions: Initial Power = 70%

Load dropped to support FRV Maintenance Turnover: Remove 2B FWRV From Service For Maintenance Swap Reactor Building Fans For Maintenance Place HPCI on the Turning Gear Event Malf. Event Event No. No. Type* 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 HPCI - System, Inoperable Due to Failure of Turning Gear 4 HPTGFAIL C/T BOP to Engage 5 SER0512 C ATC DWEDS - Alarm Failure, Manually Pump Sumps ADS3CBN 6 C/T BOP MAIN STEAM - ERV, Spurious Opening ADS3CSD 7 NP2 M TEAM Manual Scram - Loss Of Instrument Air System.

EMERGENCY DEPRESSURIZE - On 2 Areas Above Max 8 HPRMBRKP M TEAM 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 SRRS: 3D.105

@@ Line 3: / Line 3: @@
 | issue date = 09/26/2012
 | title = 2012 Dresden Nuclear Power Station Initial License Examination ES-D-1 ILT-N-2 Rev 1
-| author name = Reeser D W
+| author name = Reeser D
 | author affiliation = NRC/RGN-III/DRS/OB
 | addressee name = Nelson J
@@ Line 16: / Line 16: @@
 =Text=
-{{#Wiki_filter:TQ-AA-151-F10 Revision 0 Page 1 of 1 SRRS: 3D.105 Scenario Outline Station: Dresden Generating Station Scenario No.:
+{{#Wiki_filter:TQ-AA-151-F10 Revision 0 Page 1 of 1 Scenario Outline Station: Dresden Generating Station             Scenario No.: ILT-N-2          Class ID: 11-1 (2012-301)
-ILT-N-2        Class ID:
+Evaluators                                          Operators          / crew position
-Evaluators Operators / crew position 11-1 (2012-301)         /   ATC      /   BOP  Initial Conditions:
+                                                                                       / ATC
- /   CRS   Initial Power = 70%
+                                                                                       / BOP
-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
+                                                                                       / CRS Initial Conditions: Initial Power = 70%
-- ERV, Spurious Opening 7 NP2 M TEAM Manual Scram
+Load dropped to support FRV Maintenance Turnover:             Remove 2B FWRV From Service For Maintenance Swap Reactor Building Fans For Maintenance Place HPCI on the Turning Gear Event          Malf.               Event                                    Event No.          No.                 Type*                                 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 HPCI - System, Inoperable Due to Failure of Turning Gear 4        HPTGFAIL            C/T      BOP to Engage 5        SER0512              C       ATC    DWEDS - Alarm Failure, Manually Pump Sumps ADS3CBN 6                            C/T      BOP    MAIN STEAM - ERV, Spurious Opening ADS3CSD 7           NP2               M      TEAM    Manual Scram - Loss Of Instrument Air System.
-- Loss Of Instrument Air System.
+EMERGENCY DEPRESSURIZE - On 2 Areas Above Max 8       HPRMBRKP              M      TEAM    Safe Radiation Levels Due To HPCI Steam Line Leak into the HPCI Room.
-HPRMBRKP M TEAM EMERGENCY DEPRESSURIZE
+* (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor, (T)ech Spec SRRS: 3D.105}}
-- 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}}

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