ML15287A343
| ML15287A343 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 04/30/2015 |
| From: | Randy Baker Operations Branch III |
| To: | Exelon Generation Co |
| Shared Package | |
| ML14337A718 | List: |
| References | |
| Download: ML15287A343 (3) | |
Text
Scenario Outline TQ-AA-151-F10 Revision 1 Page 1of1 Station: Dresden Generating Station Scenario No.: IL T-N-1 Class ID: 14-1 (2015-301}
Evaluators Operators
/crew position I ATC
/BOP
/CRS Initial Conditions: 70% Power1 steady state 1 and eguilibrium xenon U2 SBO Diesel Generator running for surveillance Turnover:
Shutdown the U2 SBO Diesel Generator.
Then 1 raise 12ower using control rods.
Event Malf.
Event Event No.
No.
Type*
Description 1
NONE N
AUX POWER - SBO Diesel, Secure from Surveillance Run (BOP) 2 NONE R
Raise Power Using Control Rods (ATC) 3 RODF08DI CIT CRD FCV Fails High Causing Rods to Drift IN (TS) (ATC) 4 ADS3EBN/
CIT ERV - Spurious Opening (T/S) (BOP)
ADS3ESD 5
N33 c
INSTRUMENT AIR-Compressor, Trip Due to Overcurrent (BOP) 6 ASDMRHGH I
RECIRC - Master Recirculation Flow Controller Fails Upscale (ATC) 7 CSBRKSEV M
Manual Scram - Earthquake Causes Plant Damage/Torus Leak 8
F41 M
Small Steam Leak/Emergency Depressurize Due Low Torus Level
- (N)ormal, (R)eactivity, (l)nstrument, (C)omponent, (M)ajor, (T)ech Spec Initial to indicate form complete:
ILT Lead Date SRRS: 30.105 May be retained in department for 2 years, then forwarded to Records Management.
Scenario Outline TQ-AA-151-F10 Revision 1 Page 1 of 1
- _n: Dresden Generating Station Scenario No.: IL T-N-2 Class ID: 14-1 (2015-301}
Evaluators Operators
/crew position
/ATC
/BOP
/CRS Initial Conditions: 70% gower Turnover:
After shift turnover, raise gower using Recirc flow.
Event Malf.
Event Event No.
No.
Type*
Description 1
NONE c
FW - RFP, Swap Due to Oil Leak (ATC) 2 NONE R
RECIRC-Reactivity, Raise Power Using Recirculation Flow {ATC) 3 WTNP c
TBCCW - Pump, Swap Due To Degrading Pump (BOP) 4 RDFCFHI CIT CRD - Controller, Indication Fails Upscale {ATC}
5 I CS PD FT I IT ISO COND - System, Spurious Initiation (BOP) 6 121 M
MANUAL SCRAM - Steam Leak in the Drywell 7
812 SER1026 M
A TWS - Electrical, ARI Unsuccessful SER1060 AW4 8
121 EMERGENCY DEPRESSURIZE - On Exceeding Pressure K23 M
Suppression Pressure Due To Steam Leak inside the Drywell And K40 Partial Loss of Ability to Spray the Drywell
- (N)ormal, (R)eact1v1ty, (l)nstrument, (C)omponent, (M)ajor, (T)ech Spec Initial to indicate form complete:
ILT Lead Date SRRS: 30.105 May be retained in department for 2 years, then forwarded to Records Management.
Scenario Outline TQ-AA-151-F10 Revision 1 Page 1 of 1 Station: Dresden Generating Station Scenario No.: IL T-N-3 Class ID: 14-1 (2015-301}
Evaluators Operators
/crew position
/ATC
/BOP
/CRS Initial Conditions: StartuQ; Stead~ at - 5% Power Turnover:
Plant lnsQections in Qrogress. Resume QUlling control rods next shift.
After shift turnover1 swaQ RFP vent fans Event Malf.
Event Event No.
No.
Type*
Description 1
NONE N
HVAC-RFP Vent Fan, Swap For Maintenance (ATC) 2 RDFAILF5 I IT CRD - RPIS, Loss of Control Rod Position Indication {ATC) 3 RADRBVAH C/T CONTAINMENT-Monitor, Failure For Rx Bldg Vent Rad With Failure of SBGT To Auto Start (BOP) 4 Nll12POT I IT NI - IRM, Fails Upscale Causing Half Scram (ATC}
5 HP6 c
CIRC WATER-Pump, Trip Due To Overcurrent (BOP)
HP?
6 HP3 M
MANUAL SCRAM - Flooding in Condensate Pump Room EMERGENCY DEPRESSURIZE - On 2 Areas Above Max Safe 7
HPRMBRKP M
Radiation Levels Due To HPCI Steam Line Leak into the HPCI Room
- (N)ormal, (R)eactivity, (l)nstrument, (C)omponent, (M)ajor, (T}ech Spec Initial to indicate form complete:
ILT Lead Date SRRS: 30.105 May be retained in department for 2 years, then forwarded to Records Management.