ML14274A256

2014 DC Cook Initial License Examination Proposed Scenario D-1 Sheets

ML14274A256
Person / Time
Site:	Cook
Issue date:	08/01/2014
From:	McNeil D R NRC/RGN-III/DRS/OLB
To:	Indiana Michigan Power Co
Shared Package
ML14218A305	List: ML14248A667 ML14248A678 ML14248A700 ML14274A256 ML14274A260
References
Download: ML14274A256 (4)

Text

Appendix D Required Operator Actions Form ES-D-2 Facility: __D C Cook______ Scenario No.: ____

1____ Op-Test No.: 2014301 Examiners: ____________________________ Operators:

_____________________________

____________________________

_____________________________

____________________________

_____________________________

Initial Conditions: 100% power Turnover: A 200 MW power decrease has been requested by the System Dispatcher. Both units are at 100% power. Event No. Malf. No. Event Type* Event Description 1 U1_RCR16 C(ATC) TS Pressurizer Safety Valve Leak (SV45B 2gpm) 2 R Power Reduction 3 N Turbine Power Reduction 4 U1_ECP Stator Short C(ATC) TS East CCP fails on overcurrent 5 U1_RX33B I(BOP) Feedwater flow controller fails 6 U1_QTC302 175 over 5 Minutes I(ATC) Charging Letdown Header Temperature QTC

-302 fails high 7 U1_RC01A 60% M(ALL) Large break LOCA 8 U1_ED05E (Trg 1) M(ALL) Vital bus T11A Fails (On RX Trip) 9 U1_RP10A U1_RP11A U1_RP11C C(ATC) Auto/Manual SI Train A does not occur

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

Appendix D Scenario Outline Form ES-D-1 Page 1 of 1 Facility: __D C Cook______ Scenario No.: ____

3____ Op-Test No.: 2014301 Examiners: ____________________________ Operators:

_____________________________

____________________________

_____________________________

____________________________

_____________________________

Initial Conditions: ___

EDG CD has been run following mechanical maintenance. The run is complete and the EDG is ready to be shutdown and placed in standby.

Turnover:

1-OHP-4021-032-001CD Attachment 2 is complete to step 4.4.2 and the diesel generator is ready to be shut down. Perform Step 4.4.3 through preparation for Restoring for OPERABILITY. U1 is at 9 2% power following turbine valve testing.

Event No. Malf. No. Event Type* Event Description 1 N Secure the CD D/G 2 U1_NI10B 200 over 1 min I(ATC) TS Power range detector (NI

-42) fails high 3 R Power increase to restore power 4 U1_FW40A 100 C(BOP) Condenser Level Control failure (100%)

5 U1_BLP131 0 over 30sec I(ATC) TS Steam generator #3 BLP131 controlling level channel fails low 6 U1_MS02C 50% Major Steam line #3 break inside containment 7 U1_RP01A U1_RP01B C(ATC) Reactor trip failure (ATWS), Rods Drop when MG sets de

-energized 8 U1_RP09A U1_RP09B C(BOP) Feedwater isolation does not occur in automatic 9 U1_FW48C C(BOP) TDAFW pump does not start in auto

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

Appendix D Scenario Outline Form ES-D-1 Page 1 of 1 Facility: __D C Cook______ Scenario No.: ___

4_____ Op-Test No.:

2014301 Examiners: ____________________________ Operators:

_____________________________

____________________________

_____________________________

____________________________

_____________________________

Initial Conditions: 12% power, main generator has just been paralleled.

Turnover: The unit is at 12% power with the generator has just been paralleled to the grid. The unit was down powered to fix leak on the weld for FTR

-258, FW Disch Header Temperature tap.. The work is complete and the plant is returning to 100% power. Procedure 1

-OHP-4021-001-006, Power Escalation is complete up to step 4.2

8. Raise Power at 10%/hour to ~29%. Event No. Malf. No. Event Type* Event Description 1 N Control Feed Flow In Manual 2 R Raise Power 3 U1_MPC253 to 740 I(ATC) Turbine impulse pressure instrument (MPC

-253) fails HIGH 4 U1_MPP222 1500 C(BOP) MPP 222 SG #2 PORV Pressure Channel 5 U1_FPC_250 A to 1 over 2 min I(BOP) Main Feedwater discharge pressure (FPC

-250A) fails Low 6 U1_RC10D 10% over 5 Min Major Small break LOCA in containment (150 gpm with a 5 min ramp) 7 U1_RP10A U1_RP10B I(ATC) Auto SI fails 8 U1_TC02 U1_TC03 C(BOP) Main turbine fails to trip 9 U1_RD0435 U1_RD0441 C(ATC) Two rods fail to Drop (H4 & H6) 10 U1_ECP Stator Short C(ATC) East CCP trips on overcurrent 3 minutes after the RXtrip * (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor Appendix D Scenario Outline Form ES-D-1 Page 1 of 1 Facility: __D C Cook______ Scenario No.: ___

5_____ Op-Test No.:

2014301 Examiners: ____________________________ Operators:

_____________________________

____________________________

_____________________________

____________________________

_____________________________

Initial Conditions: 79% power, Power reduction in progress.

Turnover: Unit is stable at 79% power and continuing a power reduction to take the unit off line. Currently performing Step 4.11.1 of 02

-OHP 4021.001.003, Power Reduction. Remove the North Condensate Booster pump from service

- was run for engineering data collection.

Event No. Malf. No. Event Type* Event Description 1 N Remove North Condensate Booster from service 2 U1_QLC451 To 0% I(ATC) TS VCT level instrument (QLC

-451) fails low 3 R Power reduction 4 U1_MFC140 to 0 I(BOP) TS Steam flow channel (MFC

-140) fails low (Controlling) 5 U1_RCR20 to 5 C(ATC) Pressurizer PORV (NRC

-153) leaking (requires isolation)

- 5% open NOTE: Time compression may be used as the procedure requires a 15 minute wait time after unisolating each PORV.

6 U1_RC23D to 30 over 10 min Major Reactor Trip with S/G

1. 4 tube rupture (600 gpm (60%) ramp to 30% over 10 minutes

- raise to 60% on trip

) 7 U1_MS06D to 80% C(BOP) Steam generator safety valve (SV 3-4) opens - 80% * (N)ormal, (R)eactivity, (I)nstrument, (C)omponent, (M)ajor