ML22143B001

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2019 DAEC Ile Scenarios
ML22143B001
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Site: Duane Arnold NextEra Energy icon.png
Issue date: 04/08/2019
From: Randy Baker
NRC/RGN-III/DRS/OLB
To:
NextEra Energy Duane Arnold
Baker R
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ML17214A863 List:
References
Download: ML22143B001 (92)


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SIMULATOR EXERCISE GUIDE, SEG THREE COLUMN Page 1 of 33

SITE: DAEC Rev ision #: 0

L MS ID: PDA OPS 19 -1 NRC Scenario #1 LMS Rev. Date:

SEG TITLE : NRC Exam Scenario #1

SEG TYPE: Training Evaluation

PROGRAM: LOCT LOIT Other:

DURATION: 90 minutes

Developed by:

Instructor/Developer Date

Reviewed by:

Instructor (Instructional Review) Date

Validated by:

SME (Technical Review) Date

Approved by:

Training Supervision Date

Approved by:

Training Program Owner (Line) Date

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 2 of 3

SIMULATOR EXERCISE GUIDE REQUIREMENTS Terminal Objective This Evaluation Scenario Guide evaluates the Operators ability to:

Given the malfunctions presented in this ESG, the students will protect the public, protect plant personnel, and protect plant equipment, in accordance with plant procedures.

Enabling Evaluation Guide, no tasks are trained Objectives:

Prerequisites: NONE

Training A. Simulator Resources: B. Evaluation Team C. Operations Management Representative D. Simulator Operator E. Booth Communicator F. Simulator video recording equipment

References:

1 AOP 901, Rev 31 2 TS 3.4.1, Amendment 223 3 ARP 1C04B, A-1, Rev. 83 4 AOP 255.2, Rev 46 5 AOP 264, Rev 14 6 ARP 1C23C, Rev 55 7 ARP 1C08C, Rev 62 8 ARP 1C06B, Rev 64 9 AOP 639, Rev 36 10 EOP 1, Rev 20 11 ATWS, Rev 23 12 EOP 2, Rev 18 13 EOP 3, Rev 4 14 RIP 103.2, Rev 4 15 RIP 102.1, Rev 9 16 ARP 1C14A, Rev 20 17 OI 151, Rev 71 18 OI 152, Rev 116 19 ED, Rev 11

Protected Content: Identify here and in training material as {C001}; See Comment for details.

None

Evaluation Method: In accordance with NUREG 1021

Operating NONE Experience:

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 3 of 4

Risk Significant Control Feedwater Following a Scram Operator Actions: Initiate an Emergency Depressurization

TASKS ASSOCIATED WITH SIMULATOR EXERCISE GUIDE Task # Task Title 94.22 Respond to Earthquake Condition 94.58 Respond to Loss of Reactor Recirculation Pump(s) 94.03 Respond to Power/Reactivity Abnormal Change Condition 94.18 Respond to Reactor Water/Condensate High Conductivity Condition 95.57 Perform /Q to Reduce Reactor Power or Scram the Reactor 95.06 Perform Reactor SCRAM Using Repeated Manual Scram 95.08 Insert Control Rods by Increasing CRD Cooling Flow and Pressure 95.65 Spray the Drywell with RHR Not Required for Adequate Core Cooling 96.80 Perform an Emergency Depressurization Using SRVs 1.02 Determine Operability for Technical Specification Required Components 3.01 Implement Emergency Plan 5.22 Direct Crew Response to Earthquake Condition 5.58 Direct Crew response to Loss of Reactor Recirculation Pump(s) 5.03 Direct Crew Responses to Power/Reactivity Abnormal Change Condition 5.18 Direct Crew Response to Reactor Water/Condensate High Conductivity Condition 6.52 Direct Crew Response to Control RPV Injection prior to, during and subsequent to Emergency Depressurization during ATWS 6.56 Direct Crew Response to Perform /Q to reduce Reactor Power / Scram the Reactor During ATWS 6.06 Direct Crew Response to Perform Reactor SCRAM using Repeated Manual Scram 6.08 Direct Crew Response to Insert Control Rods by Increasing CRD Cooling Flow and Pressure 6.80 Direct Crew Response to Perform an Emergency Depressurization Using SRVs

UPDATE LOG: Indicate in the following table any minor changes or major revision s made to the material after initial approval.

  1. DESCRIPTION OF CHANGE REASON FOR CHANGE AR/TWR# PREPARER DATE REVIEWER DATE 0.0 Initial Development for PDA 19-1 License exam N/A See Cover See Cover

TR-AA-230- 1007-F 13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 4 of 5

OVERVIEW / SEQUENCE OF EVENTS

OVERVIEW See below event description for overview SEQUENCE OF EVENTS

ALL TIMES IN THIS SCENARIO ARE APPROXIMATE

Event # Description

1. Shift EHC Pumps IAW OI 693.2, Section 6.2.1(2)
2. Raise Rx Power with Control Rods to 80% power for 1 hr hold (Xe)
3. The crew will respond to an accumulator alarm on control rod 22-0 7. The alarm will be low nitrogen pressure due to a packing leak on the V-18-296, Accumulator Instrument Cartridge Valve.

The Crew enters TS 3.1.5 Condition A to either declare the control rod slow, or to declare the control rod inoperable, within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, for an inoperable accumulator.

4. A Design Basis Earthquake will occur at DAEC. The crew will enter AOP 901, Earthquake and take the appropriate actions.
5. H2 Main Seal Oil Pump fails and the crew will have to start the Emergency H2 Seal Pump and secure the H2 Seal Oil Vacuum Pump per ARP 1C08C D-6
6. a. The earthquake will also result in Hi Vibrations and trip of the B Recirc MG set.
b. The crew will respond to the trip of the Recirc MG set IAW AOP 255.2, Power/Reactivity Abnormal Change, and AOP 264, Loss of Recirc Pump (s).

The Crew will enter TS 3.4.1, Condition D to perform SLO STPs within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

7. When the events caused by the earthquake are under control, a condenser tube leak will occur. The crew will enter AOP 639, Reactor Water/Condensate High Conductivity. This tube leak will lead to a reactor scram.

TR-AA-230- 1007-F 13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 5 of 6

8. On the scram, the Crew will determine that a Hydraulic ATWS has occurred. The Crew will insert ALL the control rods by either drifting them in, per RIP 103.2, Increase CRD Cooling Flow and Pressure, or by performing the scram reset scram IAW RIP 102.1, Repeated Manual Scram, as directed by the Hydraulic ATWS RIPS. (Critical)

Power will be high enough that the crew may enter Power Level Control Prior to all rods being inserted.

The crew will enter Power Level Control, they will Lock Out ADS (Critical), secure and prevent injection from HPCI, Condensate and Feedwater, CS and RHR, until RPV level lowered to below 87 (Critical)

Once they reach a level that will allow the crew to re-inject, prior to all rods inserting, they will maintain RPV level above - 25 using Condensate and Feedwater and or RCIC.

(Critical)

9. An unisolable leak in the torus will develop. The crew will monitor the leak IAW EOP 2, and prior to the torus level lowering below 7.1 feet, they will enter an Emergency Depressurization. (Critical)
10. The scenario will end after the crew has depressurized the plant and are restoring RPV level to the desired band.

TR-AA-230- 1007 -F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 6 of 7

SIMULATOR SET UP INSTRUCTIONS

1. Perform simulator set up per TDAP 1839 Attachment 2, Simulator Setup Checklist ____
2. Using the exam flash drive with the scenario simulator files, insert in the left instructor station computer and navigate to the D: \\ directory ____
3. Copy the NRCScenario1.dat file from the exam flash drive to C: \\Trex_Duane-TELEC\\Executive\\SiteSpecific\\InitialCondition and rename the file to an available IC using the format ic_### ____
a. Reset to the newly created IC ____ ____
b. Place the Simulator in RUN ____
c. Run schedule file Weather.sch following directory path D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_1\\ NRCScenario1_SimFiles ____

OR Reset to IC 23, place the simulator in RUN and perform the following (this will take approximately 15 minutes for the plant:

a. Insert Event Triggers, Malfunctions, Overrides, and Remotes using schedule ____

file SEG_Setup.sch located on the exam flash drive using the following directory path D:\\NRCOperational \\NRCScenarios\\NRC_Scenario_1\\NRCScenario1_SimFiles

4. Have a second instructor verify:
b. Auto triggers are setup as indicated below and evaluate to FALSE ____
c. Malfunctions ____
d. Remotes ____
e. Overrides ____
5. Open Keypad file NRC_Scenario_1.key located on the exam flash drive using the following directory path D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_1\\ NRCScenario1_SimFiles ____
6. Setup Thundersound on the Instructor Station computer to the right and verify the following settings:
a. Click on the checkbox under Playing for Earthquake ____
b. Click the STOP button to toggle audio model to playing ____
c. Verify Instructor Station sound volume is set to approximately 25% ____
d. Verify the dB controller (under the Instructor Station monitor) level 2 know is aligned to the detent (white line on the knob is pointing slightly counterclockwise) ____
e. Verify the Front Room (both) sub amplifiers are set to approximately 50% of scale ____
7. Place Guarded Equipment tags on: ____
  • 1B35witch
  • 1B43witch MkPOI 3,tio Ste 1 tough 7,pecificlyhe fling:

Step akN/A Step 7.b.7 mk with a circle Step 7.b.leank Step c.1 tough 3kN/A Step 7.d.tk N/A

TR-AA-230- 1007-F 13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 7 of 8

9. Display DR and Power on the Operator Terminals ____
10. Markup MOL pull sheet STEP 37 for control rods withdrawn to their current position ____
11. Ensure MOL pull sheet s are in the 1C05B hanging file ____

TR-AA-230- 1007 -F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 8 of 9

EVENT TRIGGER DEFINITIONS:

Trigger No Trigger Logic Statement Trigger Word Description

3 rxqic >= 0.8 Core Power at 80%

5 an_1c06b(1) 1C80 Trouble

7 !rpdis1run(1) MODE SW out of RUN

9 rd_fi All rods full in

11 ZDITCBPVJINCR l ZDITCBPVTSTG SEP 307 Attmpt

MALFUNCTIONS:

Time Malf. No Malfunction Title ET Delay Ramp Initial Final Value Value As dir RD072207 CONTROL ROD ACCUMULATOR TROUBLE-3 INACTIVE ACTIVE ROD 22-07 Set up RP05G HYDRAULIC LOCK SCRAM DISCHARGE VOLUME 0 65 (VARIABLE)

OVERRIDES:

Time OR # Override Title ET Delay Ramp Initial Final Value Value Set up DI-MS-HS-4535 RX WTR LVL LO-LO 076 TRIP OVRRD - A1 NORMAL NORMAL

Set up DI-MS-HS-4536 RX WTR LVL LO-LO 077 TRIP OVRRD - A2 NORMAL NORMAL

Set up DI-MS-HS-4427A GRP 1 CHAN A1 ALL 072 SIGNALS OVRRD NORMAL NORMAL

Set up DI-MS-HS-4427C GRP 1 CHAN A2 074 ALL SIGNALS OVRRD NORMAL NORMAL

Setup DO-EG-X390 MAIN GENERATOR 077 ALTERREX SUPPLEMENTARY OFF ON

TR-AA-230- 1007 -F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 9 of 10

REMOTE FUNCTIONS:

Time RF # Remote Function Title ET Delay Ramp Initial Final Value Value

KEYPAD FILE:

NRC_Scenario_1.key Key Key Action 1 Delete Malfunction RD072207 2 Insert Malfunction ZZ03 3 Schedule D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_1\\NRCScenario1_SimFiles\\

Seal_Oil_Pump_Trip.sch 4 Schedule D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_1\\NRCScenario1_SimFiles\\

B_Recirc_Pump_VibTrip.sch 5 Toggle Event 2 6 Schedule D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_1\\NRCScenario1_SimFiles\\

Condenser_Tube_Leak.sch 7 Schedule D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_1\\NRCScenario1_SimFiles\\

Defeat_12_Install.sch

SCHEDULE FILE(S):

Weather.sch At Time Event Action Description 00:00:01 None Insert remote hv01 to 223 in 7200 WIND DIRECTION AT 50 meters (165 ft) 00:00:01 None Insert remote hv02 from 23 to 27 WIND SPEED AT 50 meters (165 ft) in 7200 00:00:01 None Insert remote hv03 to 45 in 28800 DEW POINT TEMPERATURE 00:00:01 None Insert remote hv05 to 68 in 28800 AMBIENT TEMPERATURE AT 50 meters (165 ft) 00:00:01 None Insert remote hv06 to 73 in 28800 AMBIENT TEMPERATURE AT 10 meters (35 ft) 00:00:01 None Insert remote hv07 to 73 in 28800 RIVER WATER TEMPERATURE

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Seal_Oil_Pump_Trip.sch At Time Event Action Description Create Event 20 00:00:00 None ZDIEGHS3640(4) -desc Emerg Seal Oil Pump HS Start 00:00:00 None Insert Override DO-EG-028 to HS-3641(1) MAIN SEAL OIL PUMP 1P-92 OFF (GREEN) 00:00:00 None Insert Override DO-EG-029 to HS-3641(2) MAIN SEAL OIL PUMP 1P-92 OFF (RED) 00:00:00 None Insert Malfunction AN1C08C(24) 1C08C (D-06) HYDROGEN SEAL OIL MAIN to ON PUMP 1P 92 AUTO TRIP 00:00:00 None Insert Override DO-EG-026 to ON HS-3640(1) EMERGENCY SEAL OIL PUMP 1P-93 (GREEN) 00:00:00 None Insert Override DO-EG-027 to HS-3640(2) EMERGENCY SEAL OIL PUMP OFF 1P-93 (RED) 00:00:00 None Insert Malfunction EG08B LOSS OF SEAL OIL PUMP-RSOP 00:00:00 None Insert Malfunction EG08A LOSS OF SEAL OIL PUMP-MSOP None 20 Delete Override DO-EG-026 HS-3640(1) EMERGENCY SEAL OIL PUMP 1P-93 (GREEN)

None 20 Delete Override DO-EG-027 HS-3640(2) EMERGENCY SEAL OIL PUMP 1P-93 (RED)

None 20 Delete Malfunction EG08B LOSS OF SEAL OIL PUMP-RSOP None 20 Toggle Event 20

B_Recirc_PumpVibTrip.sch At Time Event Action Description 00:00:00 None Insert malfunction rr35b to Recirc Pump High Vibes - Pump B 50.00000 00:00:00 None Insert malfunction rr05b to RECIRC PUMP SHAFT SEIZURE-PMP B 100.00000 on event 2 00:00:00 None Insert malfunction rr06b after 2 on RECIRC M-G DRIVE MOTOR BREAKER event 2 TRIP-M-G B 00:00:01 None Insert malfunction pc14 to PRIMARY CONTAINMENT TORUS 35.00000 on event 9 LEAKAGE 00:00:01 None Insert malfunction ms19a on event SPURIOUS GROUP I ISOLATION-RELAY 11 A71-K7A 00:00:01 None Insert malfunction ms19b on event SPURIOUS GROUP I ISOLATION-RELAY 11 A71-K7B

Condenser_Tube_Leak.sch At Time Event Action Description 00:00:00 None Insert malfunction mc07 to MAIN CONDENSER TUBE (1E-7A) 0.90000 LEAKAGE None 5 Modify malfunction mc07 after 180 MAIN CONDENSER TUBE (1E-7A) from 0.90000 to 2.00000 in 240 LEAKAGE None 7 Delete malfunction mc07 MAIN CONDENSER TUBE (1E-7A)

LEAKAGE

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Defeat_12_Install.sch At Time Event Action Description 00:03 :00 None Insert Remote RP02 to TEST ATWS TEST SWITCH (AKA DEFEAT 12) HS-1863A (RUN,TEST) 00:03 :40 None Insert Remote RP03 to TEST ATWS TEST SWITCH (AKA DEFEAT 12) HS-1864A (RUN,TEST)

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SHIFT TURNOVER INFORMATION

  • Day of week and shift o Today, day shift
  • Weather conditions o Cloudy, with a cold front coming in later today
  • Plant power:

o ~75% reactor power with the corresponding MWe, MWth, and core flow

  • Reactor coolant leakage is normal (if asked: 1.56 identified, 0.03 unidentified)
  • Plant PRA Status o CDF: 1.32 x 10-6, GREEN, 1 year to Yellow o LERF 3.32 x 10-7, GREEN, 1 year to Yellow o SFP risk is LOW, time to 200°F is 56 Hours
  • B side protected, specifically guarded equipment is o Skimmer Surge Tank Room o 1B3507, A Fuel Pool Cooling Pump Breaker o 1B4327, B Fuel Pool Cooling Pump Breaker o 1C136, Fuel Pool Filter/Demin Control Panel
  • No Existing LCO action statements
  • Procedures or major maintenance in progress o Alternate EHC Pumps (A EHC pump is currently running) o Raise reactor power to approximately 80% using the Control Rod Withdrawal Sequence Sheets o Later in the shift, Security will be running a force-on -force drill
  • No equipment to be taken out of service or returned to service this shift
  • Comments, problems, operator workarounds, etc.

o The Radwaste Operator is NSPEO qualified o Two extra NSPEOs available in Work Control o Operations Management as agreed that the CRS will serve as the Reactivity SRO

TR-AA-230- 1007 -F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 13 of 14

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 1: The Crew will perform the actions of OI 693.2, Section 6.2.1 and alternate Alternate EHC the EHC Pumps Pumps CRS Simulator Operator

  • Supervise the evolution If contacted to Acknowledge the request BOP verify the non-
  • Start standby EHC Pump 1P 97B by momentarily placing handswitch running EHC HS-3665B in the START position Pump is ready

Simulator Operator

  • Verify the Amps for both EHC Pumps have stabilized wait 2 minutes Report the B EHC Pump is ready for
  • At 1C07, stop EHC Pump 1P 97A by momentarily placing handswitch HS start 3665A in the STOP position.

If contacted to Simulator Operator verify the B Report the B EHC Pump is running sat.

EHC Pump is If asked about the status of the A EHC running sat, pump, REPORT that all EHC parameters are normal

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 14 of 15

EVENT 2: Crew: Raise reactor power using Control Rod Sequence Sheets Raise Power with control rod CRS:

withdrawal

  • Direct control rod withdrawal to a target power of 80% reactor power

ATC EVALUATOR NOTE: ATC:

The ATC Operator will withdraw the Repeat as necessary to establish the target power directed:

following control rods for RWM Step 37:

  • Select the desired control rod using the rod select matrix
  • 14-19
  • 14-27 directed to establish the desired reactor power
  • 30- 27
  • Monitor core parameters as power is changed, such as:
  • 30- 19 o Recirc flow The ATC Operator may plot on the Power o Reactor jet pump total core flow to Flow map and/or print a ACUMEN o Total steam flow Report after withdrawing control rods per o Total feed flow the control rod sequence sheets o Reactor water level o Reactor pressure o APRM power

BOP:

  • Provide peer checks are requested
  • Monitor plant parameters as power is changed, such as:

o Generator output

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 15 of 16

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE

EVENT 3: Crew: Respond to annunciator 1C05A (F-7), CRD ACCUMULATOR LO When rxqic is SIMULATOR OPERATOR PRESSURE OR HI LEVEL

>= 0.8 or at the Verify ET 3 is active TRUE direction of the This will result in an Accumulator alarm for ATC:

Lead Evaluator, control rod 22-07.

  • Check the Full Core Display on 1C05 to determine which accumulator(s)

When directed is/are in the trouble condition.

to investigate BOOTH COMMUNCIATOR o Determines that the alarm is on Control Rod 22-07 control rod 22-Acknowledge the request, WAIT 3

  • Send an Operator to the accumulators to determine the cause of the 07 for an minutes and REPORT, The alarm was alarm accumulator due to low nitrogen pressure. Pressure
  • Direct the Second Assistant to either drain the water from the accumulator, or recharge the accumulator SIMULATOR OPERATOR When directed Click KEYPAD Key 1 CRS (1.02) to recharge the This will delete Malfunction RD072207 and accumulator, clear the 1C05 indication and alarm. Will enter TS 3.1.5 Condition A to either declare the control rod slow, wait 4 min and Accumulator 22-07 is recharged to 1090 or to declare the control rod inoperable, within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, for an then report, psig inoperable accumulator.

o Call for maintenance support to correct the problem BOOTH COMMUNCIATOR If called as the Acknowledge call and inform the RE to see if Operator that there are NO slow control there are any rods.

slow control rods,

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE Event 4: CREW: Perform the actions directed from AOP 901, Earthquake Earthquake SIMULATOR OPERATOR Click KEYPAD Key 2 CRS (5.22)

After the CRD This will insert Malfunction ZZ03 for DBE,

  • Direct Crew Response to an Earthquake Condition accumulator, this malfunction will delete after 6 minutes
  • IF the amber DESIGN BASIS EARTHQUAKE, or amber OPERATING and at the BASIS EARTHQUAKE lights are ON, and not a malfunction, THEN direction of the commence shutting down the reactor to be in cold shutdown within 24 Lead Evaluator: hours.
  • Enter EOP 2 T/L on High/Low Torus Water Level (may be administratively exited)
  • Direct Health Physics to perform radiation surveys of the normally accessible areas inside DAEC Buildings, and the site grounds including the Independent Spent Fuel Storage Installation.
  • Direct chemist to review KAMAN data and perform sensor checks.
  • Direct control room operators monitor the control room panels for changes in some of the following critical plant parameters:
  • Spent fuel pool and skimmer surge tank levels
  • SBLC tank levels
  • SJAE and offgas flow changes When Simulator Operator:
  • Changes in jockey fire pump cycling contacted as Acknowledge the request

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 17 of 18

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE Event 4: BOOTH COMMUNICATOR CREW: Enter and carry out the actions of AOP 901, Earthquake.

Earthquake Acknowledge the request. ATC: (94.22)

If contacted as

  • Monitor reactor power, pressure, and level on 1C05 Duty Station

BOOTH COMMUNICATOR BOP:

Acknowledge the request.

  • At 1C06, verify River Water Supply system integrity by:

If contacted as

  • Verify all available RWS pumps will start and deliver >6000 gpm flow HP or
  • Using HS 4918, RIVER WATER SUPPLY LOOP SELECT switch, Chemistry: select A CV4915 and B CV4914, one at a time, to verify RWS BOOTH COMMUNICATOR makeup flow can be established with each loop ensuring RWS If contacted as Acknowledge the request to perform piping is intact an NSPEO: inside and outside plant walkdowns.
  • Monitor Process and Area Radiation Monitoring System channels on Keep track of which operator has been Panels 1C10 and 1C11 sent to what location in the plant.
  • Send operators, with portable radiation monitors, to perform a quick walk through of the plant to determine the general condition of the plant structure and system's integrity, and immediately report back any damage to the Control Room
  • Realign HPCI suction source to the CST per OI 152, Section 8.3:
  • Swap HPCI Suction lineup by placing the following valves on 1C03 BOOTH COMMUNICATOR in the indicated positions:

There is no damage in the areas that

  • MO-2321, INBD Torus Suction ISOL to CLOSE you have walked down
  • MO-2322, OUTBD Torus Suction ISOL to CLOSE
  • MO-2300, CST Suction to OPEN Wait 15 min.

and report,

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 5: Loss BOP EVALUTOR NOTE CREW: Determine that there is a loss of the Main H2 Seal Oil Pump and of Main H2 Seal This is a BOP action, ensure that the BOP take actions per ARP 1C08C (D-6)

Oil Pump Operator is nearby before inserting this At the direct of event CRS the Lead

  • Direct the start of the Emergency H2 Seal Oil Pump Evaluator: SIMULATOR OPERATOR BOP:

Click KEYPAD Key 3

  • Start the Emergency H2 Seal Oil Pump per the ARP This will run a schedule file for the H2 Seal
  • Secure the H2 Seal Oil Vacuum Pump per the ARP Oil Pump Trip
  • Send an operator to the H2 Seal Oil Skid to investigate If sent to the H2 Seal Oil Skid: BOOTH COMMUNICATOR Acknowledge the request and WAIT 3 minutes and REPORT, The Main H2 Seal Oil Pump has a sheared shaft.

If asked for the Acknowledge the request and REPORT, status of the The ESOP is running sat Emergency Seal If the ESOP has not been started, Oil Pump: REPORT it is ready for start

If sent to breaker Acknowledge the request, and WAIT 3 1B33-01, minutes and REPORT, the breaker is in Hydrogen Seal the trip free position.

Oil Pump:

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 6: Hi CREW: Respond to ARP 1C04B (B-1), ARP 1C04B (A-1), and AOP 264 vibrations and Trip of B SIMULATOR OPERATOR CRS Recirc MG at Click KEYPAD Key 4

  • Direct the actions for Hi Vibrations on B RR Pump the direction of
  • Notify System Engineering of Hi vibration condition the Lead This will run a schedule file for the high Evaluator: vibrations on the B Recirc Pump

BOP:

When BOOTH COMMUNICATOR

  • Dispatch operator to 1C466C to investigate Hi Vibrations contacted to Acknowledge request and WAIT 2
  • At 1C21 Check Recirc Pump temperature recorder TRS 4600 for investigate B minutes and REPORT, All channels increasing B Recirc Pump bearing temperatures Reactor Recirc are reading 15 mils and stable. The
  • Send an Operator to 1C113B in the MG Set Room to monitor relays Pump Hi GREEN OK lights are lit. The vibration Vibrations probe gap is reading -7.2

EVALUTOR NOTE:

When the BOP goes to the back panel area to check 1C21, direct the SIMULATOR OPERATOR Click KEYPAD Key 5 This will trip the B Recirc Pump

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 6: Trip CREW: Perform the actions of AOP 264, Loss of Recirc Pump (s) of Recirc continued CRS: (5.58)

  • Direct the actions of AOP 264 Loss of Recirc Pump (s)
  • Comply with Technical Specification 3.4.1 Condition D, 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> to satisfy the conditions of the LCO.

o May direct STP 3.4.1 -02 Single Loop Operation.

If contacted as o May STP 3.4.2- 03 Daily Jet Pump Operability Single Loop organization: Operation.

BOOTH COMMUNICATOR

  • Direct lowering reactor power by inserting control rods using the control Acknowledge the request rod sequence sheets to lower power less than or equal to () 60.0%

(1147 MWth)

  • Contact organization for assistance When contacted to ATC: (94.58) investigate B Acknowledge request and WAIT 2
  • Stabilize reactor water level between 186 and 195 RR pump trip: minutes and REPORT, That a B
  • For the Recirc Pump that tripped, perform the following:

Recirc MG Generator Lockout has

  • Verify open B RECIRC PUMP DISCH BYP valve MO-4630 occurred and the B GENERATOR
  • Close B RECIRC PUMP DISCHARGE valve MO-4628 If asked to FIELD BREAKER is OPEN.
  • Plot operating point on Power/Flow map investigate 1A2: Acknowledge request and WAIT 2
  • For the Recirc Pump that tripped, after 5 minutes, reopen B RECIRC minutes and REPORT, T he B RECIRC PUMP DISCHARGE valve MO-4628 MG SET MOTOR BREAKER 1A204 is
  • Insert control rods as directed by the CRS to maintain power less than or If asked to OPEN equal to () 60.0% (1147 MWth) investigate MG Acknowledge request and WAIT 2 Set fans: minutes and REPORT, 1VSF11 A BOP:

MGSET Handswitch is in AUTO.

  • Direct Operator to investigate the trip of the B recirc pump EVALUATOR NOTE: The conductivity event should be directed toward the end of this event (i.e. after MO-4628 is opened, or after power reduction < 60%). Due to the leak size, it will take approximately 2-3 minutes before the control room annunciator is received.

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 6: Trip CREW: Perform the actions of AOP 255.2, Power/Reactivity Abnormal of Recirc Change continued ATC (94.03)

  • Take any necessary steps to bring the reactor power/reactivity transient under control, including, but not limited to:

o Assuming manual control of a malfunctioning system o Inserting control rods per the current rod pull sheet

  • Place one APRM recorder in each trip system to fast speed to monitor for APRM undamped oscillations greater than normal
  • Verify proper operation/indication of systems and/or indications
  • Verify control rod positions are correct for the established sequence, by EVALUATOR NOTE: using Rod Position Log Total core flow is to be determined by
  • Verify thermal limits on the Official 3D Case assessing Core Plate D/P
  • When power is stabilized, plot location on the Stability Power / Flow Map
  • In the event of inadvertent entry into area above the power to flow map exit this area by inserting control rods

CRS (5.03)

  • Direct the actions of AOP 255.2, Power/Reactivity Abnormal Change
  • Establish critical parameter monitoring of Reactor Power, Reactor Pressure, and RPV Water Level, as priorities allow

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 7: CREW: Respond to annunciator 1C06B ( A-1) and AOP 639 Condenser Tube Leak A t SIMULATOR OPERATOR BOP (94.18) the direction of Click KEYPAD Key 6

  • Send an Operator to 1C80 to investigate the Lead
  • Based on the report, the crew will enter AOP 639, Reactor Evaluator, This will start a schedule file for condenser Water/Condensate High Conductivity.

tube leak which will drive a reactor scram Verify that when 1C06B A-1, 1C-80 TROUBLE alarms, that ET 5 goes TRUE CRS: (5.18)

  • Direct entry in AOP 639, Reactor Water/Condensate High Conductivity BOOTH COMMUNCIATOR
  • IF a valid Condensate Demineralizer Influent Conductivity reading of When called on Acknowledge the request and WAIT 3 greater than or equal to 1.0 mho/cm (CRS-1514 Pt 1 or 7 at 1C06 or CIT to investigate minutes and REPORT, Report that the 1704 at 1C80) is received and is not due to condensate system startup the alarm on alarm was the Influent High or plant startup, THEN Reduce Reactor Recirc flow to 39 Mlbm/hr per 1C80, conductivity alarm, and it is currently IPOI 4, Fast Power Reduction AND SCRAM reading _____

On the PPC monitor, call up GD 24, this will give you the condensate filter demineralizer panel. When you relay your report, give them the reading of the Condensate influent conductivity.

EVALUATOR NOTE:

The only action of annunciator on 1C80 at power operation is to enter AOP 639, Reactor Water/Condensate High Conductivity

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 7: CREW: Take actions directed by AOP 639 Condenser Tube Leak BOP:

When called as BOOTH COMMUNCIATOR

  • Observe chart recorder CRS-2738 CLEANUP INFLUENT chemistry, Acknowledge the request and state that CONDUCTIVITY at 1C04 to determine the trend of reactor coolant it will take about an hour and a half to conductivity get the sample.
  • Direct Plant Chemistry Department to sample as necessary, reactor water condensate, Hotwell, CSTs and makeup demin system to verify When Acknowledge the request and inform any high conductivity levels identified in Steps 1 and 3 contacted as the control room that you will review
  • IF a suspected loop has been identified, and it is recommended that the the system the information from PI and get back to loop be isolated, THEN Isolate the suspected leaking Condenser Circ engineer, them with a recommendation Water loop per OI 442
  • IF condensate demineralizer influent conductivity is greater than 0.1 mho/cm, THEN maintain the filter demineralizer bypass valve MO-1708 closed If asked to Acknowledge the request
  • IF a valid Condensate Demineralizer Influent Conductivity reading of monitor Call up the conductivity monitor 1514 on greater than or equal to 1.0 mho/cm (CRS-1514 Pt 1 or 7 at 1C06 or CIT conductivity at THUNDERVIEW from panel 1C06, and 1704 at 1C80) is received and is not due to condensate system startup other places in monitor point CE1516A. or plant startup, THEN Reduce Reactor Recirc flow to 39 Mlbm/hr per the plant, IPOI 4, Fast Power Reduction AND SCRAM

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 8: CREW: AOP 639 action to insert a manual reactor scram ATWS ATC:

  • Inserts manual scram o Reports that there is a Hydraulic ATWS o Reports Reactor Power
  • Performs ATWS QRC o Reports that the ATWS QRC is complete, with the exception of SBL Control o Reports reactor power

CRS: (6.56)

  • Enters EOP 1 and t ransitions to ATWS
  • Per ATWS directs the following; o Lockout ADS prior to ADS actuation (Critical) o Install Defeat 15 o Install Defeat 11 o Directs the ATWS QRC

BOP: (95.57)

  • Lockout ADS prior to ADS actuation (Critical)
  • Install Defeat 15
  • Itlt1

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 8: CREW: Take the actions directed from ATWS ATWS CRS:

If directed to BOOTH COMMUNCIATOR

  • Directs the initiation of SBLC install Defeat
  • Directs the Hydraulic ATWS RIPS ( Critical) (6.08, 6.06) 12, Acknowledge the request AND direct the Simulator Operator to ATC:

Click KEYPAD Key 7

  • Initiates SBLC This will run a schedule file to place the
  • Performs the ATWS RIPS until the reactor is shutdown under all conditions ATWS RPT switches in the TEST position (Critical) (95.06, 95.08) after a time delay o RIP 103,2, Increase CRD Cooling Flow and Pressure Start second CRD Place CRD Flow Controller FC-1814 in MANUAL and run the output to maximum Observe increased cooling water flow on FI-1838 and cooling water When Defeat BOOTH COMMUNCIATOR dP increase on PDI-1832A 12 is installed: Call the control room and inform them Throttle open MO-1830, DRIVE WATER P CONTROL, as that you have installed Defeat 12 necessary to maximize cooling water flow and pressure o RIP 102,1, Repeated Manual Scram Install DEFEAT 3 (RPS Scram Logic Defeat)

Direct the in-plant operator to install DEFEAT 12 (Reset of ARI)

Reset the reactor scram Confirm SDV high level trip is clear Determine control rod position

-Scramlant

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 8: CREW: Take the actions directed from ATWS (lower reactor water level to 87 ATWS inches)

EVALUATOR NOTE CRS:

IF the crew has not taken action to lower

  • Assess reactor power reactor water level to 87 inches AND large o If reactor power is > 5%, the crew will enter power level control irregular neutron flux oscillations induced by Directs to secure and prevent injection from, Condensate and Feed, neutronic/thermal-hydraulic instabilities is HPCI, RHR, and CS observed (APRMs), THEN the Critical Task Inform at an RPV level of 87 inches has been failed If conditions allow RPV inje ction, maintain RPV level > -25 inches

ATC:

  • Secure and prevent injection from Condensate and Feed EVALUATOR NOTE
  • Take manual control of the Master Level Controller and close the feed IF the crew has not taken action to restore regulating valves (Critical) and/or maintain reactor water level > - 25
  • Inform the CRS reactor power when level reaches 87 inches inches using the preferred injection
  • If directed, maintain RPV level > - 25 inches (Critical) systems AND the crew transitions to BOP:

Emergency Depressurization, THEN the

  • Secure and prevent injection from HPCI, RHR, and CS Critical Task has been failed
  • Place the HPCI Aux Oil Pump to Pull-to-Lock
  • Trip the A and B CS Pumps if they receive an initiation signal (Critical)
  • Prevent injection from RHR as necessary by overriding the selected loop inject valve (Critical)

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 8: CREW: Determines that all control rods are inserted ATWS to EOP 1 CRS:

  • Directs the following; o RPV level be maintained 170 to 211 using High Pressure injection systems o Control RPV pressure 800 to 1050 psig using EHC

ATC:

  • Assess the Feedwater system for conductivity, and maintains RPV level using; o RCIC o If necessary uses Condensate and Feed
  • ContrsPVrsure usiHC

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 28 of 29

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 9: CREW: Determines that Torus Level is lowering, and perform the following EOP 2 and 3 for actions lowering Torus level SRO (6.65)

  • Direct the following actions from EOP 2 BOOTH COMMUNCIATOR o Obtain a round of Primary Containment Parameters When directed Acknowledge the request and WAIT 4 Determine that Torus level is lowering to the Torus minutes and REPORT, There is a lot of
  • Direct that torus level b e raised by:

area to water flowing out of a cracked pipe o HPCI, OI 152 determine right at the torus. The cracked pipe is o Core Spray, OI 151 where the leak the A CS suction line. * (Critical) Before 7.1 feet is, o Perform an Emergency Depressurization

  • Direct the following actions from EOP 3 o Operate available sump pumps to restore and maintain water level below the Max Normal Operating Limit o Operate available coolers in the affected area BOP:
  • Report that Torus level is lower than expected for this condition o Attempt to raise torus water level:

With HPCI IAW OI 152 With Core Spray IAW OI 151

  • Responds to Annunciator 1C14, B-4, Area Water Levels Above Max Safe
  • Reports to the CRS that the Torus Room is above the Max Normal If contacted as Operating Limit the Rad Waste Acknowledge the request
  • Contact the Rad Waste Operator to lineup and pump the Torus area Operator:

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 9: CREW: EOP 2 actions continued using Core Spray EOP 2 and BOP:

lowering Torus

  • Attempt to raise torus water level; level BOOTH COMMUNICATOR o With the CS system When directed Acknowledge the request and WAIT 4 Monitor CST level on 1C06 to open the CS minutes and REPORT, You are at the Verify that the CS outboard and inboard torus suction valves are manual valves, directed valve, but you cannot get the open V 01 and 02, lock to work. You have to go and find a Unlock and open V 01, for A CS, and V 02, for B CS, bolt cutter to get the chain off of the as necessary.

handwheel.

(Critical) When the crew determines that they cannot maintain torus level Acknowledge the request and WAIT 4 above 7.1 feet, and BEFORE 7.1 feet in the torus, the crew will perform an minutes and REPORT, You attempted Emergency Depressurization (Critical)

When directed to open the CS valve, but it was hard to to go to the turn. While you were attempting to other CS, open it, there was a loud cracking CRS: (6.80) sound, and now the valve handwheel o May direct SEP 307 to anticipate ED spins freely.

  • Directs that ED be entered EVALUATOR NOTE:
  • Directs the following from ED The CRS may direct SEP 307 to anticipate o Verify torus level is above 4.5 ED, however a spurious GROUP 1 o Open 4 ADS SRVs BEFORE Torus level is below 7.1 (Critical) isolation will occur and will prevent this o Maintain RPV level using CS or RHR mitigation strategy ATC: (95.80)
  • Verify torus level is above 4.5
  • Open 4 ADS SRVs BEFORE Torus level is below 7.1 (Critical)
  • MPV using t dirttiystem

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE When the ED Simulator Operator has been Place the simulator in FREEZE.

performed and RPV level is Announce the scenario is complete; being restored please stand by your stations and do to the directed not discuss the scenario with your band, and at crew.

the direction of the Lead Evaluator,

      • END OF SCENARIO ***

TR-AA-230- 1007-F13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 31of 32

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS QUANTITATIVE ATTRIBUTES

Malfunctions:

Before EOP Entry:

1. CRD Accumulator Alarm
2. Earthquake resulting in
  • Loss of Main H2 Seal Oil Pump
  • Hi Vibrations and Trip of B Recirc Pump
  • Condenser Tube Leak

After EOP Entry:

1. ATWS
2. Unisolable Torus Leak

Abnormal Events:

1. AOP 901, Earthquake
2. AOP 255.2, Power/Reactivity Abnormal Change
3. AOP 264, Loss of Recirc Pump (s)
4. AOP 639, Reactor Water/Condensate High Conductivity

Major Transients:

1. Earthquake
2. Condenser Tube Leak
3. Torus leak resulting in ED

Critical Tasks:

1. IF a reactor scram is required and the reactor is NOT shutdown under all conditions, THEN lockout ADS before automatic actuation.
2. IF a scram is required and Reactor power is above 5%, THEN reduce power below 5%

using one or more of the following methods :

3. IF a reactor scram is required, and Reactor power is >5%, and Power/level control is required, THEN terminate and prevent injection unt il conditions allow reinjection
4. IF performing ATWS Power/level control and Conditions are met to allow reinjection, THEN crew actions are taken to maintain RPV level above - 25" by injecting using Table 1B systems
5. BEFORE torus level drops to 7.1 feet, THEN perform Emergency RPV Depressurization

TR-AA-230- 1007-F 13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 32of 33

Appendix D Scenario Outline Form ES-D-1

Facility: Duane Arnold Energy Center Scenario No.: ___1_____ Op-Test No.: 19-1 NRC

Examiners: Operators:______________________

Initial Conditions/Turnover:

Reactor Power is 75%

Guarded Equipment: Spent Fuel Cooling Pumps, Skimmer Surge Tank Room, Fuel Pool Heat Exchanger Room 1B35, 1B43, Fuel Pool Pump Breakers, 1C136, Fuel Pool Panel

Evolutions in progress or planned for upcoming shift

  • Alternate EHC Pumps for maintenance later in the shift
  • Raise Power with rods IAW the pull sheet to achieve 80% Reactor Power
  • Later this shift, Security will be running a force on force drill

Plant PRA/PSA Status including CDF/LERF & color

  • Green-CDF 1.34 E-6/ ICDP to Yellow equal 1 year
  • Green-LERF 3.27 E-7 ILERP to Yellow equal to 1 year

2 Extra Non Licensed Personnel Available in Work Control

Event No. Malf. No. Event Event Type* Description 1 N-BOP Shift EHC Pumps N-CRS 2 R-ATC Raise Power With Rods to 80% RTP R-CRS 3 TS-Control Rod 22-07 N2 Leak CRS Tech Spec 3.1.5 Condition A 4 zz03 C-CRS Entry into AOP 901, Earthquake C-BOP Verify river water supply piping integrity 5 eg08a C-BOP H2 Main Seal Oil Pump fails and the crew will have to start eg08c C-CRS the Emergency H2 Seal Pump ARP 1C08C D-6 do-eg- 026 do-eg-027 6.a rr35b Respond to B Recirc MG Set high vibrations 6.b rr05b C-CRS B Recirc pump shaft seizure and subsequent pump trip rr06b CRS will direct entry into AOP 255.2 and 264 C-ATC ATC Operator will close tripped recirc pump discharge valve TS-CRS Tech Spec 3.4.1, Condition D

TR-AA-230- 1007-F 13, Revision 0 NRC Exam Scenario #1, Rev. 0 SEG Page 33 of 33

7 mc07 M-All Condenser Tube Leak will require the entry into AOP 639, resulting in inserting a manual reactor scram 8 rp05g C-ATC Entry into EOP 1, Transition to EOP ATWS C-CRS Hydraulic ATWS

  • Potential to enter Power Level Control Rods will insert via:
  • RIP 103.2, Increase CRD Cooling Flow and Pressure
  • R IP 102.1,ted Macr 9 C -P n t ttsn tfmance ofD.

- -076 C -CRS AicipatiDilllable due to a spurious

- -077 oup 1si

- -072

- -074 ms19a ms19b

TR-AA-230- 1007-F13, Revision 0 SIMULATOR EXERCISE GUIDE, SEG THREE COLUMN Page 1 of 31

SITE: DAEC Rev ision #: 0

L MS ID: PDA OPS 19 -1 NRC Scenario #2 LMS Rev. Date:

SEG TITLE : NRC Exam Scenario #2

SEG TYPE: Training Evaluation

PROGRAM: LOCT LOIT Other:

DURATION: 90 minutes

Developed by:

Instructor/Developer Date

Reviewed by:

Instructor (Instructional Review) Date

Validated by:

SME (Technical Review) Date

Approved by:

Training Supervision Date

Approved by:

Training Program Owner (Line) Date

TR-AA-230- 1007-F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 2 of 3

SIMULATOR EXERCISE GUIDE REQUIREMENTS Terminal Objective This Evaluation Scenario Guide evaluates the Operators ability to:

Given the malfunctions presented in this ESG, the students will protect the public, protect plant personnel, and protect plant equipment, in accordance with plant procedures.

Enabling Evaluation Guide, no tasks are trained Objectives:

Prerequisites: NONE

Training A. Simulator Resources: B. Evaluation Team C. Operations Management Representative D. Simulator Operator E. Booth Communicator F. Simulator video recording equipment

References:

1. AOP 301, Rev 73
2. AOP 411, Rev 29
3. AOP 903, Rev 59
4. AOP 358, Rev 32
5. ARP 1C03A, Rev 62
6. ARP 1C05A, Rev 90
7. ARP 1C06A, Rev 75
8. ARP 1C06B, Rev 65
9. ATWS, Rev 23
10. ED, Rev 11
11. EOP 1, Rev 20
12. EOP 3. Rev 22
13. IPOI 3, Rev 160
14. IPOI 5 QRC 1, Rev 6
15. SEP 307, Rev 4
16. OI 734 QRC 1, Rev 0
17. Technical Specifications

Protected Content: Identify here and in training material as {C001}; See Comment for details.

None

Evaluation Method: In accordance with NUREG 1021

TR-AA-230- 1007-F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 3 of 4

Operating None Experience:

Risk Significant Initiate RPV Emergency Depressurization Operator Actions:

UPDATE LOG: Indicate in the following table any minor changes or major revisions made to the material after initial approval.

  1. DESCRIPTION OF CHANGE REASON FOR CHANGE AR/TWR# PREPARER DATE REVIEWER DATE See cover 0.0 Changed form number to match new industry SAT procedure which superseded TR-AA-230- 1003. See cover

TR-AA-230- 1007 -F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 4 of 5

TASKS ASSOCIATED WITH SIMULATOR EXERCISE GUIDE Task # Task Title

94.16 Respond to GSW Abnormal Operation Condition

94.36 Respond to a Loss of 1A4

95.68 Perform Actions of EOP 3 for High Area Temperature, Radiation, and Water Level including EOP 1 and ED

95.46 Perform actions of RC/P of EOP 1

95.47 Establish a Cooldown of the RPV at a Rate of <100 Degrees F/hr

95.55 Perform initial ATWS actions (/)

95.95 Initiate ATWS/ARI

1.02 Determine Operability for Technical Specification Required Components

5.16 Direct Crew Response to GSW Abnormal Operation Condition

5.24 Direct Crew Response to High Winds / Severe Thunderstorms / Tornado Condition

5.36 Direct Crew Response to a Loss of 1A4

6.67 Direct Crew Response for performance of EOP 3 for high area temperatures/radiation /water level including EOP 1and ED

6.45 Direct Crew Response for performance of initial EOP 1 actions (RC)

6.47 Direct Crew Response to Establish a Cooldown of the RPV at a Rate of <100 Degrees F/hr

6.55 Direct Crew Response to Perform Initial ATWS Actions (/)

TR-AA-230- 1007 -F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 5 of 6

OVERVIEW / SEQUENCE OF EVENTS

OVERVIEW

See below event description for overview

SEQUENCE OF EVENTS

ALL TIMES IN THIS SCENARIO ARE APPROXIMATE

Event # Description

1. Shift Stator Water Cooling Pumps in accordance with OI 697 Generator Stator Cooling Water System section 7.0
2. Reduce Rx Power with Control Rods using the Control Rod Sequence Sheets to approximately 95% RTP
3. After the completion of the power adjustment, the A Core Spray pump supply breaker will fail and close in. The pump will operate for 5 seconds and then the breaker will mechanically fail. The CRS will declare the A Core Spray Pump inoperable and enter TS 3.5.1 Condition B to Restore to operable within 7 days.
4. After the Core Spray pump is declared inoperable, a leak on 1T-218 develops and causes 1C05A E-3, SBLC Tank HI/LO Level alarm to come in.

The crew will direct an In-plant Operator to investigate. T he leak is reported to be from 1T-218, at the combined suction line. The leak will be stopped when V 1 is CLOSED.

The CRS will declare SBLC Inoperable TS 3.1.7 Condition B (8 Hour LCO)

5. The Crew will receive a call from Security informing them that the National Weather Service has just issued a Severe Thunderstorm Warning for the DAEC vicinity. The warning will be in effect for the next hour.

The crew will enter AOP 903 Severe Weather and take the appropriate actions.

6. After the initial actions of AOP 903 are complete, a lightning strike will occur in the DAEC area and will result in the t rip of the B GSW pump, the standby pump will not automatically start. The Crew will manually start the standby GSW pump.

This start will send a slug of mud through the GSW system. The Crew will perform the actions of ARP 1C06A B -4, GSW Auto Filter High Dp.

The Crew will also enter AOP 411 GSW Abnormal Operation

7. During the monitoring of GSW cooled components another lightning strike will occur and result in the trip of the C RBCCW pump, the Crew will receive a RBCCW low pressure alarm on 1C06B, ( D-3). The Crew will determine that the standby RBCCW pump did not automatically start and start the standby RBCCW pump.
8. From the lowering of reactor power a leak will develop in the RWCU HX room.

The leak will propagate to the point where the RWCU system will try to isolate due to a high temperature in the RWCU Hx room.

TR-AA-230- 1007 -F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 6 of 7

The leak will not be able to be isolated and the crew will have to insert a manual reactor scram prior to the RWCU Hx room reaching a Max Safe Temperature limit. (Critical)

9. On the reactor scram, there will be an electrical ATWS. ARI will be successful to insert all of the control rods except 1.

The crew will determine that they are no lon ger in ATWS and return to EOP 1.

10. With a primary system leaking into the secondary containment, the crew will rapidly cool down to a pressure band of 500 to 700 psig to take the driving head off of the leak.
11. After all but one of the control rods have inserted, 1A4 will lockout when the Turbine TRIPS.

The crew will enter AOP 301, Loss of Essential Electrical Power, and take the B SBDG to Pull-to-Lock due to running without ESW cooling flow.

12. When the area above the TIP room exceeds a Max Safe Temperature Limit, the crew will perform an Emergency Depressurization due to Two Areas above Max Safe Operating Limit. (Critical)
13. During the ED, only 2 ADS SRVs will open requiring the operator to open the 2 LLS SRVs to complete.

TR-AA-230- 1007 -F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 7 of 8

SIMULATOR SET UP INSTRUCTIONS

1. Perform simulator set up per TDAP 1839 Attachment 2, Simulator Setup Checklist ____
2. Using the exam flash drive with the scenario simulator files, insert in the left instructor station computer and navigate to the D:\\ directory ____
3. Copy the NRCScenario 2.dat file from the exam flash drive to C:\\Trex_Duane-TELEC\\Executive\\SiteSpecific\\InitialCondition and rename the file to an available IC using the format ic_### ____
a. Reset to the newly created IC ____ ____
b. Place the Simulator in RUN ____
c. Run schedule file Weather.sch following directory path D:\\NRCOperational \\NRCScenarios\\NRC_Scenario_2\\ NRCScenario2_SimFiles ____

OR Reset to IC 20, place the simulator in RUN and perform the following (this will take approximately 15 minutes for the plant to stabilize):

a. Insert Event Triggers, Malfunctions, Overrides, and Remotes using schedule ____

file SEG_Setup.sch located on the exam flash drive using the following directory path D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_2 \\NRCScenario2_SimFiles

4. Have a second instructor verify:
b. Auto triggers are setup as indicated below and evaluate to FALSE ____
c. Malfunctions ____
d. Remotes ____
e. Overrides ____
5. Open Keypad file NRC_Scenario_ 2.key located on the exam flash drive using the following directory path D:\\NRCOperational\\NRCScenarios \\NRC_Scenario_2 \\NRCScenario2_SimFiles ____
6. Setup Thundersound on the Instructor Station computer to the right and verify the following settings:
a. Click on the checkbox under Playing for THUNDERSTORM ____
b. Click the STOP button to toggle audio model to playing ____
c. Verify Instructor Station sound volume is set to approximately 25% ____
d. Verify the dB controller (under the Instructor Station monitor) level 2 know is aligned to the detent (white line on the knob is pointing slightly counterclockwise) ____
e. Verify the Front Room (both) sub amplifiers are set to approximately 50% of scale ____
7. Place Guarded Equipment tags on: ____
  • witch
  • witch MkOLl SP 37 fortrodsithdrttheirreiti EMOLlheets e ithe 1C05Bil

TR-AA-230- 1007 -F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 8 of 9

EVENT TRIGGER DEFINITIONS:

Trigger No. Trigger Logic Statement Trigger Word Description 20 tc_trip Main Turbine Trip 21 rrltaf < 170 GP 3 Signal

MALFUNCTIONS

Time Malf. No. Malfunction Title Delay Ramp ET Initial Final Value Value Set up ed08d 4.16 KV/480V BUS FAULT-BUS 20 INACTIVE ACTIVE 1A4 RPS SCRAM CIRCUIT FAILURE Set up rp05a (ATWS)- AUTO SCRAM ACTIVE ACTIVE FAILURE Set up rp05b RPS SCRAM CIRCUIT FAILURE (ATWS)- MANUAL SCRAM ACTIVE ACTIVE FAILURE RPS SCRAM CIRCUIT FAILURE Set up rp05d (ATWS)- RPS FUSE REMOVAL ACTIVE ACTIVE FAILURE Set up rp05e ALL INDIVIDUAL ROD SCRAM ACTIVE ACTIVE SWITCHES FAIL Set up rd020227 CONTROL ROD BLADE ACTIVE ACTIVE STUCK-ROD 02-27 As dir rm02re7606b RE-7606B REAC BLDG MAIN 21 As Is 100 EXHAUST B

OVERRIDES

Time OR No. Override Title Delay Ramp ET Initial Final Value Value Set up DI-TC-009 BPVJINCR BYPASS VALVE TRANSITRANSI/

OPENING JACK, INCREASE /OFF OFF Set up DI-AD-017 HS-4405 ADS PSV4405 AUTO AUTO Set up DI-AD-019 HS-4406 ADS PSV4406 AUTO AUTO

REMOTE FUNCTIONS

Time RF. No. Remote Function Title Delay Ramp ET Initial Final Value Value

TR-AA-230- 1007 -F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 9 of 10

KEYPAD FILE:

NRC_Scenario_2.key Key Key Action 1 Insert remote an07 to ACK Schedule 2 D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_2\\ NRCScenario2_SimFiles\\

ACS_BkrFailure.sch 3 Toggle Event 1 Schedule 4 D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_2\\ NRCScenario2_SimFiles\\

SBLCTankLeak.sch 5 Toggle Event 2 Schedule 6 D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_2\\ NRCScenario2_SimFiles\\

LightningStrikeOne.sch Schedule 7 D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_2\\ NRCScenario2_SimFiles\\

LightningStrikeTwo.sch Schedule 8 D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_2\\ NRCScenario2_SimFiles\\

EOP3Scram_ED.sch 9 Toggle Event 3

SCHEDULE FILES:

Weather.sch At Time Event Action Description 00:00:01 None Insert remote hv01 to 223 in 7200 WIND DIRECTION AT 50 meters (165 ft) 00:00:01 None Insert remote hv02 from 23 to 27 WIND SPEED AT 50 meters (165 ft) in 7200 00:00:01 None Insert remote hv03 to 45 in 28800 DEW POINT TEMPERATURE 00:00:01 None Insert remote hv05 to 68 in 14400 AMBIENT TEMPERATURE AT 50 meters (165 ft) 00:00:01 None Insert remote hv06 to 73 in 14400 AMBIENT TEMPERATURE AT 10 meters (35 ft) 00:00:01 None Insert remote hv07 to 73 in 28800 RIVER WATER TEMPERATURE

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ACS_BkrFailure.sch At Time Event Action Description 00:00:00 None Insert remote cs03 to CLOSE MANUAL OPER OF 'A' CS PUMP (1P-211A BREAKER) 00:00:05 None Insert malfunction cs01a CORE SPRAY PUMP TRIP-CORE SPRAY PUMP A TRIP create event 19 zaocspi2106 <=

None 1 0.195 -desc Close A CS Vent Valve None 1 Insert remote cs05 to OPEN MANUAL CORE SPRAY A VENT VALVE (CLOSE,OPEN)

None 19 Modify remote cs05 to CLOSE

SBLCTankLeak.sch At Time Event Action Description 00:00:00 None Insert malfunction sl07 to SBLC TANK 1T218 LEAK 100.00000 in 120 None 2 Modify malfunction sl07 to 0.00000 in 10

LightningStrikeOne.sch At Time Event Action Description 00:00:00 None create event 10 zdiswhs4904a(4) -

desc A GSW Pump started 00:00:00 None Insert malfunction SW37A GSW PUMP 1P89A FAIL TO AUTO-ACTUATE 00:00:01 None Insert malfunction zz04 to Thunderstorm Event 100.00000 delete in 4 00:00:02 None Insert remote SW32 MAN OPER OF 'B' GSW PUMP (1P-89B BREAKER)

None 10 Insert malfunction AN1C06A(17) 1C06A (B-04) GSW AUTO FILTER HI dP after 10 to ON delete in 120 00:00:00 None create event 10 zdiswhs4904a(4) -

desc A GSW Pump started

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LightningStrikeTwo.sch At Time Event Action Description 00:00:00 None Insert malfunction stsw01a RBCCW PUMP 1P81A FAIL TO AUTO-START 00:00:01 None Insert malfunction zz04 to Thunderstorm Event 100.00000 delete in 4 00:00:02 None Insert malfunction sw10c RBCCW PUMP TRIP-PUMP C 00:00:15 None Insert malfunction AN1C06B(33) 1C06B (D-03) RBCCW PUMP DISCH to ON HEADER LO PRESSURE create event 11 ZAOSWPI4821 00:00:15 None >= 0.32 - desc RBCCW Pressure Recovers None 11 Delete malfunction AN1C06B(33) 1C06B (D-03) RBCCW PUMP DISCH HEADER LO PRESSURE

EOP3Scram_ED.sch At Time Event Action Description 00:00:00 None Create event 22 rrprv < 400 -desc RPV Press less than 400 psig 00:00:00 None Create event 23 ZDICUHS2701(1)

-desc MO2701 HS to Close Create event 25 ZDIHVHS7611A 00:00:00 None & ZDIHVHS7611B - desc RX Exhaust Fans Running 00:00:01 None Insert malfunction cu11a MO2700 THERMAL OVERLOAD BREAKER TRIP 00:00:01 None Insert malfunction ms28b GROUP 5 ISOLATION VALVE(S) FAIL(S) TO CLOSE-MO2701 00:00:03 None Insert malfunction cu07 to 0.5 in RWCU LEAK IN HEAT EXCHANGER ROOM 600 (VI)

None 3 Insert malfunction cu05 to TEMPERATURE TRANSMITTERS 80.00000 in 300 2742G,J,H,K FAILURE None 22 Modify malfunction cu05 to 43.00000 in 300 None 23 Insert malfunction ed22d BREAKER TRIP 1D4204 FOR MO2701

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SHIFT TURNOVER INFORMATION

  • Day of week and shift o Today, day shift
  • Weather conditions o Cloudy, with a chance for thunderstorms during the shift
  • Plant power:

o 100% reactor power with the corresponding MWe, MWth, and core flow

  • Reactor coolant leakage is normal (if asked: 1.56 identified, 0.03 unidentified)
  • Plant PRA Status o CDF: 1.32 x 10-6, GREEN, 1 year to Yellow o LERF 3.32 x 10-7, GREEN, 1 year to Yellow o SFP risk is LOW, time to 200°F is 56 Hours
  • B side protected, specifically guarded equipment is o Skimmer Surge Tank Room o 1B3507, A Fuel Pool Cooling Pump Breaker o 1B4327, B Fuel Pool Cooling Pump Breaker o 1C136, Fuel Pool Filter/Demin Control Panel
  • No Existing LCO action statements
  • Procedures or major maintenance in progress o Shift Stator Water Cooling Pumps in accordance with OI 697 Generator Stator Water Cooling System o Lower Reactor power with control rods to achieve 95% for Load Line Adjustment by inserting control rods in the reverse sequence of the rod movement control sheet package. REs will deliver the adjustment sheet positions to the control room upon completion of the insertions
  • No equipment to be taken out of service or returned to service this shift
  • Comments, problems, operator workarounds, etc.

o The Radwaste Operator is NSPEO qualified o Two extra NSPEOs available in Work Control o Operations Management as agreed that the CRS will serve as the Reactivity SRO

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 1: CREW: Shift Stator Water Cooling Pumps in accordance with OI 697 Shift Stator Stator Water Pumps BOOTH COMMUNCIATOR CRS When the Report: V 13 B Stator Water

When

  • Verify B Stator Cooling Pump 1P91B suction valve V 13 is contacted as OPEN in plant
  • Start B Stator Cooling Pump 1P91B by momentarily placing its operator to Handswitch to RUN on 1C08.

verify Stator

  • Annunciator 1C08C D -4 H2/Stator Cooling panel Trouble alarms Cooling Pump BOOTH COMMUNCIATOR due to reserve pump running suction valve Report: B Stator water cooling
  • Verify both pumps are running is OPEN pump is operating normally.
  • Stop the A Stator Cooling Pump 1P91A by placing switch to Acknowledging the 1C83 alarms. STOP position momentarily
  • 1C08C D-4 H2/Stator Cooling panel Trouble should clear

If asked to report status SIMULATOR OPERATOR of Stator Click KEYPAD Key 1 Water Cooling This will acknowledge the alarms at pump 1C83

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 2: CREW: Lower reactor power using the Control Rod Sequence Sheets Insert Control to the specified reactor power level Rods to reduce power ATC EVALUTOR NOTE: CRS:

This will require the ATC Operator to

  • Direct control rod insertion to a target power of 95% reactor power reduce reactor power with ATC EVALUATOR NOTE: ATC:

rods to The ATC Operator will insert the following Repeat as necessary to establish the target power directed:

achieve 95% control rods for RWM Step 37:

  • Select the desired control rod using the rod select matrix
  • 30- 19
  • 30- 27 directed to establish the desired reactor power
  • 14-27
  • Monitor core parameters as power is changed, such as:
  • 14-19 o Recirc flow The ATC Operator may plot on the Power o Reactor jet pump total core flow to Flow map and/or print a ACUMEN o Total steam flow Report after insert ing control rods per the o Total feed flow control rod sequence sheets o Reactor water level o Reactor pressure o APRM power

BOP:

  • Provide peer checks are requested
  • Monitor plant parameters as power is changed, such as:

o Generator output

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 3: CREW: Respond to annunciator 1C03A, A-9, A Core Spray Pump Core Spray 1P211A Trip or Motor Overload Pump Start and TRIP BOP:

At the SIMULATOR OPERATOR

  • Determine that Drywell pressure is not > 2 psig direction of the
  • Determine that RPV level is not < 64 Lead Click KEYPAD Key 2
  • Determine that the CS pump should not have initiated Evaluator, This will run a schedule file for the
  • May go to 1C43 to investigate the status of t he Core Spray failure of A Core Spray Initiation relays

CRS will (1.02)

BOP:

If contacted as the in plant BOOTH COMMUNCIATOR operator to ACKNOWLEDGE the request, and investigate WAIT 3 minutes and REPORT, The 1A3 A Core Spray breaker is heavily switchgear damaged with some breaker parts room report on the floor in front of the cubical.

There is no fire or smoke, just an acrid smell.

EVALUATOR NOTE: The next event will take approximately 2-3 minutes before a control room annunciator is received.

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 3: CREW: Respond to 1C03A annunciators Core Spray Pump Start and TRIP BOOTH COMMUNCIATOR BOP If called as the ACKNOWLEDGE the request and o May vent Core Spray per OI 151 Core Spray System Second WAIT 5 minutes and REPORT, You o Coordinate with the in-plant Operator to vent t he Core Spray Assistant to are standing by the CS vent valve, system per Section 8.1 vent the CS you have you venting rig attached, system, and are ready to vent the A CS system.

When directed SIMULATOR OPERATOR to vent the CS Click KEYPAD Key 3 system, This will automatically cycle the A Core Spray discharge vent valve to lower the discharge pressure to clear the annunciator EVALUATOR NOTE: The next event will take approximately 2-3 minutes before a control room annunciator is received.

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EVENT 4: CREW: Respond to annunciator 1C05 A, (E-3) SBLC Tank HI/LO Level SBLC Leak ATC:

At the direction SIMULATOR OPERATOR

  • Determine that SBLC Tank Level is lowering of the Lead Click KEYPAD Key 4
  • Report to the CRS Tank Level and Trend Evaluator, This will cause a leak from 1T218 to be
  • Direct an In-plant Operator to investigate the SBLC skid developed. SBLC Storage tank level will lower until the Low Level alarm comes in. CRS:
  • Direct V-26-01 to be closed when location of the leak is known If directed to
  • Determine both SBLC subsystems are INOPERABLE investigate the BOOTH COMMUNCIATOR
  • Enter LCO 3.1.7 Condition B restore 1 subsystem to OPERABLE within SBLC leak wait ACKNOWLEDGE the request and WAIT 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 3 minutes and 3 minutes and REPORT, The leak is report the downstream of V 01 SBLC Storage following Tank 1T218 Outlet Isolation and is isolatable.

If directed to CLOSE V-26-ACKNOWLEDGE the request and WAIT 01 1 minute and REPORT, V 01 is directed SBLC Storage Tank 1T218 Outlet Isolation has been closed

SIMULATOR OPERATOR Click KEYPAD Key 5 This will modify the malfunction to 0% and stop the leak.

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EVENT 5 CREW: Take the actions directed by AOP 903, for severe thunderstorm Lightning Strike warning BOOTH COMMUNCIATOR At the direction Call the Control Room Supervisor as of the Lead the Security Lieutenant and REPORT, Evaluator, The National Weather Service has issued a severe thunderstorm warning CRS:

for the DAEC area for the next 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

  • Enter and direct the actions of AOP 903, for severe thunderstorm warning ACKNOWLEDGE the report:
  • Contact ITC to check status of grid stability
  • For ITC, report that the grid
  • Contact the Real Time Desk and inform them of any known If contacted as models show that the grid is disturbances or plant malfunctions ITC and/or the stable Real Time
  • For the Real Time Desk, Desk, acknowledge the information BOP:

provided

  • Verify the outside speakers are on
  • Make the site-wide announcement
  • Turn outside speakers off If contacted as ACKNOWLEDGE the REPORT.
  • Contact security to inform their personnel Security,
  • Monitor wind speed using AOP903 EVALUATOR NOTE: The next event is a lightning strike which trips the B GSW pump. This event was created for the BOP Operator to correct the abnormal condition of the GSW system.

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EVENT 5.a. Crew: Re spond to Annunciator 1C06A, B-3 Lightning Strike SIMULATOR OPERATOR Click KEYPAD Key 6 BOP:

At the direction This will run a schedule file and cause a

  • At 1C06, confirm General Service Water Pumps Discharge Header of the Lead lightning Strike and the trip th e B GSW Press low on PI-4903 GSW PUMPS DISCH HDR PRESS Evaluator, Pump o Verify auto start of the standby pump.

BOOTH COMMUNICATOR o Determine that the A GSW pump did not automatically start.

Call the CRS and REPORT as the CAS

  • Start the A GSW pump When the B Operator that, A lightning bolt just hit
  • Shortly after the start of the A GSW pump, the crew will respond to GSW pump has in the yard near warehouse. annunciator 1C06A B-4, GSW AUTO FILTER HIGH P tripped,
  • Send and operator to the GSW strainer 1S-24 to verify high differential pressure on PDIS-4906 When Acknowledge the request and WAIT 2
  • Inform the CRS that AOP 411 is referenced in the ARP contacted to minutes and REPORT, T here is a CRS investigate B ground fault flag (Relay 409-150G) on
  • Direct actions of ARP 1C06A B -3, B-4, C-4, and AOP 411 (Loss of GSW Breaker breaker 1A409. GSW). (5.16) 1A409,

If sent to Acknowledge the request and WAIT 4 minutes and REPORT, The B GSW investigate the motor is warm to the touch but nothing auto strainer or else is abnormal. The GSW strainer, 1S-the B GSW 24, is turning, PDIS -4906 is reading 5 Pump, psid and lowering.

If sent to adjust Acknowledge the request.

Turbine Lube Oil temperature, SIMULATOR OPERATOR Adjust Remote Function SW 14 to lower Turbine Lube Oil temperature

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EVENT 5.a. CREW: Perform actions per AOP 411 Lightning Strike BOP: (94.16)

  • IF there is insufficient GSW cooling OR less than 2 GSW pumps are running THEN make every effort to achieve at least 2 pumps running.
  • Monitor GSW combined outlet temperatures (Computer Point M004) and send an operator to monitor GSW load return line temperatures (local).
  • IF turbine bearing temperatures approach 250°F, THEN manually scram the reactor AND trip the main turbine AND start turbine lift pumps and turning gear oil pump.
  • IF a condensate or feed pump high temperature annunciator 1C06B(D-5)

TURB INSTRUMENT PANEL 1C -20 TROUBLE is received THEN perform the following as required:

ATC:

  • Reduce reactor power to 50% using IPOI 4 Fast Power Reduction if necessary and secure the affected pump(s).
  • Screact prior to sihe or fm EVALUATOR NOTE: The next event was developed for the ATC Operator and it is recommended to be inserted when the BOP is investigating GSW cooled component recorders located in the Control Room Back Panel area.

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EVENT 5.b. CREW: Respond the annunciator 1C06B D -3, RBCCW Pump Disch Header Lightning Strike Lo Pressure alarm

When the BOP SIMULATOR OPERATOR ATC:

Operator is in Click KEYPAD Key 7

  • Confirm the low pressure condition on PI-4821 and/or Computer Contact the Control This will start a schedule file for Point M508 Room Back another lightning strike and a trip of the
  • Normally two pumps are in operation, confirm that A, B & C RBCCW panels or at the C RBCCW Pump PUMPS 1P-81A, B & C are all running direction of the
  • If any pump fails to start, attempt to start that pump ONCE using the Lead Evaluator: following control switch;

BOOTH COMMUNICATOR If sent to ACKNOWLEDGE the request and WAIT investigate the 3 minutes and REPORT, The C RBCCW RBCCW pump breaker is warm and in system and the trip free position. The pump seems breaker, normal, The A RBCCW pump is running Sat.

EVALUATOR NOTE: The next event will cause a leak in the RWCU HX Room and will take approximately 1-2 minutes for a control room annunciator to be received.

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EVENT 6 Crew: Respond to the following Annunciator s:

RWCU HX o 1C04B B-4, Steam Leak Detection Ambient High Temperature room leak SIMULATOR OPERATOR o 1C04B D-4, Steam Leak Det Hi T At the Click KEYPAD Key 8 o 1C04B A-9, RWCU LO FLOW direction of the o 1C04B B-9, RWCU Filter/Demin Trouble Lead This will start a leak in the RWCU Hx Evaluator, room to drive the crew to insert a BOP:

manual reactor scram NOTE: If the BOP shifts main plant

  • Go to 1C21 and determine that the leak is from RWCU Hx room ventilation to a 3-2-3 lineup CU07
  • Maximize plant ventilation IAW OI 734, QRC1, Maximize Plant will modify to cause RWCU HX Ventilation Room temperature to rise above
  • Start 1V-EF-1, 1V-EF-2, and 1V-EF-3 MAIN PLANT MAX SAFE EXHAUST FANS and verify their respective dampers indicate OPEN If the crew SIMULATOR OPERATOR
  • Start the Reactor Building Exhaust Fans actions appear Raise the severity of MF CU07, o Start the Reactor Building Supply Fans to be keeping RWCU Leak in Hx Room, in the RWCU Hx increments of 0.1 with a 30 second ATC:

room from ramp.

  • Verify Automatic Actions reaching a o Determine that MO 2700, the RWCU Inboard Isolation Valve did Max Safe EVALUATOR NOTE not close, and has a thermal overload on the breaker temperature, o Send someone to 1B3219 to attempt to reset the thermal RWCU HX Room Ambient temps: overload MNOL: 130°F o Determine that MO 2701 did not close and attempt to close the MSOL: 212°F valve If sent to o When the HS for MO 2701 is taken to the close position, all attempt to BOOTH COMMUNCIATOR indication for MO 2701 is lost reset the ACKNOWLEGE the request, WAIT 2 o Will report to the CRS that MO 2701 is not closed thermal minutes and REPORT, I have
  • Prompt the CRS that this is an EOP 3 entry overload on depressed the thermal overload for
  • Insert a manual reactor scram prior to reaching a Max Safe 1B3219, MO 2700 on breaker 1B3219. Operating Temperature Limit in the RWCU Hx room. (Critical)

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EVENT 6 Crew: In response to the leak in the RWCU Hx room RWCU HX room leak CRS: (6.67)

When the

  • Enter EOP 3 and direct the following Operator SIMULATOR OPERATOR o Operate available coolers in the affected area attempts to Verify that Event Trigger 23 goes o Operate available main plant supply and exhaust fans close MO TRUE Maximize plant ventilation IAW OI 734, QRC1, Maximize 2701, This will result in the breaker trip for Plant Ventilation MO2701, and the valve will remain o Attempt to i solate the leaking system open. Determines that RWCU will not isolate due to the thermal overload on MO 2700
  • Direct that the thermal overload condition be reset and If sent to BOOTH COMMUNCIATOR the valve closed attempt to Acknowledge the request and WAIT Determine that MO 2701 did not isolate, and send an investigate 2 minutes and REPORT, There is Operator to 1D4204 to investigate 1D42 ckt 04 an acrid odor near 1D4204, and the o Determine that a pressure reduction will decrease leakage into for MO 2701, breaker door is warm to the touch. secondary containment o Determine that a reactor scram be inserted prior to the RWCU Hx room reaching a Max Safe Operation Limit EVALUATOR NOTE Set a critical parameter on the RWCU Hx room for inserting a reactor scram RWCU HX Room Ambient temps: o Insert a reactor scram prior to reaching a Max Safe Operation MNOL: 130°F Limit in the RWCU Hx room. (Critical)

MSOL: 212°F

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EVENT 7: Crew: Perform the following in response to rising temperatures in the Reactor RWCU HX Room.

Scram ATWS CRS:

  • Upon the ATC report, Exit EOP 1 and transition to ATWS (6.55)
  • Per ATWS o Lock out ADS o Install defeat 15 o Perform the ATWS QRC

BOP: (95.55)

  • Lock out ADS prior to ADS Actuation (Critical)
  • Install Defeat 15 ATC:
  • Per the ATWS QRC o Verify the MODE Switch is in SD EVALUATOR NOTE: o FW Master Controller in Auto and set at 158.5 inches IF ARI automatically initiates due to low o HSS-4450 in 1 element RPV water level and all control rods are o Recirc run back to minimum inserted before the manual ARI o Initiate ARI (Critical) (95.95) pushbuttons have been depressed THEN o Verify Recirc Pumps trip this Critical Task is failed o Report that the ATWS QRC is complete with the exception of initiating SBLC o ARI DID work o Determines that all but one control rod has inserted

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EVENT 8: Re - Crew: Exits ATWS and returns to EOP 1 and directs the following entry to EOP 1 actions 1A4 Lockout CRS: (6.45)

  • Per EOP 1 SIMULATOR OPERATOR o Restore and maintain RPV level to 170 to 211 When the Verify Event Trigger 20 goes TRUE o Install defeat 11 turbine trips, This will result in the lock out of 1A4 o Establishes an RPV pressure band of 800 psig to 1055 psig using SRVs and MSL drains ( 6.47) o When the plant is stable, assigns a new pressure band of 500 to 700 psig to remove the driving head of the leak in the RWCU HX room

BOP: (95.46)

  • Install Defeat 11
  • When directed establish a new pressure band of 500 to 700 psig to remove the driving head from the leak in the RWCU HX room using EHC pressure set or SRVs.

ATC: (95.46)

  • Will establish a RPV pressure band of 800 psig to 1055 psig using EHC
  • When directed establish a new pressure band of 500 to 700 psig to remove the driving head from the leak in the RWCU H X room using EHC pressure set or SRVs. (95.47)

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EVENT 8: Re - Crew: Respond to the lock out of 1A4, and perform the actions of AOP 301 entry to EOP 1 1A4 Lockout CRS: (5.36)

  • Enter and direct the performance of AOP 301 for the loss of 1A4

BOP: (94.36)

  • Will determine that the B EDG is running without any cooling water, and take the HS for the B EDG to the PTL position If sent to BOOTH COMMUNICATOR
  • Prompt CRS to enter AOP 358 to restore RPS investigate the ACKNOWLEDGE the request, WAIT 3
  • Send an operator to investigate 1A4 lockout trip of minutes and REPORT, That 1A4 has a 1A4, lockout trip.
  • Verify A CRD is running
  • Verify A and C GSW pumps are running
  • Verify A and C RWS pumps are running
  • Verify that the A Chiller and CB air conditioning is in service
  • Verify that the A and C Battery Room Exhaust Fans are running EVALUATOR NOTE: The next event is to drive the crew to Emergency Depressurization. The ramp rate for the second area going above maximum safe operating limit (MSOL) is approximately 2 minutes.

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Event 9: Crew: Respond to the rising temperatures above the TIP room and continue in Second Area the actions of EOP 3 above MSOL / SIMULATOR OPERATOR CRS:

ED Click KEYPAD Key 9

  • Direct that the Defeat 9 be installed to maximize cooling to the reactor When the This will begin the leak above the TIP building actions of AOP room and drive the crew to Emergency
  • If the temperature rise above the TIP room is identified early enough, the 301 have been Depressurize CRS will direct the crew to anticipate Emergency Depressurization directed, and at o Direct the performance of SEP 307, Rapid Depressurization with Bypass the direction of Valves. This will be unsuccessful as the Turbine Bypass Valve Jack will the Lead not engage (6.48)

Evaluator, EVALUTOR NOTE:

  • Wait until two areas exceed Max Safe RWCU ABOVE TIP ROOM AMBIENT:
  • When two areas exceed Max Safe, enter ED MNOL: 111.5°F BOP:

MSOL: 150°F

  • Determine that RM 7606B REACTOR BUILDING VENT SHAFT RAD IF the crew has NOT attempted opening MONITOR is failed upscale and cannot be reset preventing Defeat 9 from the necessary SRVs required for being installed.

emergency depressurization within 10

  • Verify torus level is > 4.5 ft minutes with both areas above MSOL

THEN the Critical Task is failed o Receive the report from 1C03, that 2 ADS SRVs opened, and 2 LLS SRV have opened SIMULATOR OPERATOR ATC:

Modify Malfunction CU07 by

  • Maintain RPV level using Condensate and Feed, CS or RHR during the ED If the increments of 0.1 until the area has
  • Restore RPV level to 170 to 211 temperature in gone above Max Safe again the RWCU Hx BOP: (95.68) room has fallen
  • Perform SEP 307, Rapid Depressurization with Bypass Valves.

Safe, (UNSUCCESSFUL)

  • Report Torus level
  • Place Torus Cooling in service o Utilize RHRSW Hard card to place RHRSW in service o Place Torus cooling in service using Torus Cooling Hard card

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The Scenario will be complete when the RPV Simulator Operator is Place the simulator in FREEZE.

depressurized and RPV level is being Announce the scenario is complete; restored, and at please stand by your stations and do the direction of not discuss the scenario with your the Lead crew.

Evaluator

      • END OF SCENARIO ***

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QUANTITATIVE ATTRIBUTES

Malfunctions:

Before EOP Entry:

1. Inadvertent initiation of the A Core Spray Pump
2. B GSW pump trip and initiating entry into AOP 411, Loss of GSW
3. Trip of the C RBCCW Pump
4. Leak in the RWCU HX Room

After EOP Entry:

1. ATWS
  • ARI inserts all rods but 1
2. Loss of 1A4

Abnormal Events:

1. AOP 411, Loss of GSW
2. AOP 301, Loss of Essential Power

Major Transients:

1. Steam leak in the RWCU Hx room spreads to area above TIP room
2. ATWS
3. Emergency Depressurization

Critical Tasks:

1. If the reactor is at power and a primary system is discharging into secondary containment, THEN insert a manual scram before any parameter reaches the Max. Safe Operating Limit
2. IF a scram is required and Reactor power is above 5%, THEN reduce power below 5%

using one or more of the following methods

  • Initiation of ARI
3. IF a reactor scram is required and the reactor is NOT s hutdown under all conditions, THEN lockout ADS before automatic actuation
4. WHEN a primary system is discharging into secondary containment and the same parameter is exceeding the Max. Safe Operating limits in more than one area, THEN perform Emergency RPV D epressurization

TR-AA-230- 1007-F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 30 of 31

Facility: Duane Arnold Energy Center Scenario No.: ___2_____ Op-Test No.: 19 -1 NRC

Examiners Operators

Initial Conditions/Turnover:

Reactor Power is 100%

Guarded Equipment: Skimmer Surge Tank Room, Fuel Pool Heat Exchanger Room, 1C136 Fuel Pool Cooling Panel, 1B3507 A Fuel Pool Cooling Pump Breaker, 1B4327 B Fuel Pool Cooling Pump Breaker.

Evolutions in progress or planned for upcoming shift

  • Reduce Reactor Power to 95% with Control Rod Insertion for Load Line Adjustment

Plant PRA/PSA Status including CDF/LERF & color

  • CDF GREEN - 1.47E-6/ Cumulative Core Damage Probability )CCDP) No Limit
  • LERF GREEN - 3.92 E-7/ Cumulative Large/Early Release Probability (CLERP) No Limit

Rain will be moving into the area later in the shift.

2 Extra Non Licensed Personnel Available in Work Control Even Malf. Event Event t No. No. Type* Description 1 N-BOP Shift Stator Water Cooling Pumps in accordance with N-CRS OI 697 Generator Stator Water Cooling System section 7.0 2 R-ATC Reduce Rx Power with Rods In Accordance With Load R-CRS Line Adjustment to 95% RTP 3 DI-CS-I-BOP A Core Spray pump will receive an inadvertent start 008 I-CRS signal.

TS-CRS Tech Spec 3.5.1 Condition B (3.3.5.1 Also Possible)

TR-AA-230- 1007-F13, Revision 0 NRC EXAM SCENARIO #2, Rev. 0 SEG Page 31 of 31

4 sl07 TS-Leak on 1T-218 develops and causes 1C05A E-3, CRS SBLC Tank HI/LO Level alarm to come in

Tech Spec 3.1.7, Condition B 5a./b. sw37a C-CRS Lightning Strike causes:

an1c06a C-BOP 5.a. Trip of B GSW Pump (17) o Standby Pump Fails to Auto Start AOP sw32 411 (Possible) stsw01a o High P across Auto Filter ARP sw10c C-ATC Actions 5.b. C RBCCW Pump o Standby Pump Fails to Auto Start ARP Actions 6 cu05 M-All A leak will develop in the RWCU HX room requiring cu11a EOP 3 Entry cu12a

  • Scram prior to Temperatures Reaching Max ms28b Safe cu07
  • Leak will not be Isolated DO-CU-
  • Defeat 9 will not work to restore ventilation 003 DO-CU-004 DO-CU-027 DO-CU-028 DO-PC-091 DO-PC-092 7 rp05a C-ATC On the reactor scram, there will be an electrical ATWS rp05b C-CRS
  • ARI will be effective at inserting all but 1 control rp05d rod rp05e rd02022 7

8 ed08d C-All After all but one of the control rods have inserted, 1A4 will lockout. The crew will take actions In Accordance With AOP 301 9 DI-AD-C-BOP TIP room exceeds a Max Safe Temperature Limit, the 015 C-CRS crew will enter ED.

DI-AD-

  • If the crew attempts to use the EHC Control 017 System, it will fail to control the B/P Valves
  • Only two ADS SRVs will open, requiring the crew to open the LLS SRVs to complete the ED

TR-AA-230- 1007-F13, Revision 0 SIMULATOR EXERCISE GUIDE, SEG THREE COLUMN Page 1 of 28

SITE: DAEC Rev ision #: 0

L MS ID: NRC Scenario 3 LMS Rev. Date:

SEG TITLE : NRC Scenario 3, Rev. 0

SEG TYPE: Training Evaluation

PROGRAM: LOCT LOIT Other:

DURATION: 60 minutes

Developed by:

Instructor/Developer Date

Reviewed by:

Instructor (Instructional Review) Date

Validated by:

SME (Technical Review) Date

Approved by:

Training Supervision Date

Approved by:

Training Program Owner (Line) Date

TR-AA-230- 1007-F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 2 of 3

SIMULATOR EXERCISE GUIDE REQUIREMENTS Terminal Objective This Evaluation Scenario Guide evaluates the Operators ability to:

Given the malfunctions presented in this ESG, the students will protect the public, protect plant personnel, and protect plant equipment, in accordance with plant procedures.

Enabling Evaluation Guide, no tasks are trained Objectives:

Prerequisites: Enrolled in Licensed Operator Continuing Training, License Operator Initial Training, Senior Reactor Operator-Certification Training

Training A. Simulator Resources: B. Evaluation Team C. Simulator Operator D. Booth Communicator

References:

1. ARP 1C08B, Rev. 98
2. AOP 410, Rev. 30
3. TS 3.8.7, AMD 223
4. TS 3.7.2, AMD 223
5. IPOI 3, Rev 160
6. AOP 903, Rev, 59
7. ARP 1C04B, Rev. 64
8. ARP 1C23C, Rev. 55
9. AOP 408, Rev. 32
10. AOP 304.1, Rev.60
11. EOP 1, Rev, 20
12. EOP 2, Rev, 18
13. OI 416, Rev 67
14. OI 454, Rev 70
15. OI 644 QRC 1, Rev. 8
16. ED Rev. 11

Protected Content: Identify here and in training material as {C001}; See Comment for details.

None

Evaluation Method: In accordance with NUREG 1021

Operating None Experience:

TR-AA-230- 1007-F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 3 of 4

Risk Significant Initiate RPV Emergency Depressurization Operator Actions:

Filename: NRC Scenario 3 19-1.docx TR-AA-230- 1003-F06 Revision 0 Page 3 of 4 NRC Scenario 3, Rev. 0 SEG Page 4 of 5

TASKS ASSOCIATED WITH SIMULATOR EXERCISE GUIDE Task # Task Title 94.08 Respond to Loss of 4160V Non-essential Power Condition (1A1 or 1A2) 94.14 Respond to Well Water System Abnormal Operation Condition 94.15 Respond to the loss of River Water Supply 94.24 Respond to High Winds / Severe Thunderstorms / Tornado Condition 95.65 Spray the Drywell with RHR Not Required for Adequate Core Cooling 95.63 Perform DW/T leg of EOP 2 95.80 Perform an Emergency Depressurization Using SRVs 1.02 Determine Operability for Technical Specification Required Components 3.01 Implement Emergency Plan 5.08 Direct Crew Response to Loss of 4160V Nonessential Power Condition 5.14 Direct Crew Response to Well Water System Abnormal Operation Condition 5.15 Direct Crew Response to the loss of River Water Supply 5.24 Direct Crew Response to High Winds / Severe Thunderstorms / Tornado Condition 6.65 Direct Crew Response to Spray the Drywell with RHR Not Required for Adequate Core Cooling 6.74 Direct Crew Response for performance of ALC when injection systems are lined up and available, or when no pumps are available 6.78 Direct Crew Response for performance of Emergency Depressurization 6.80 Direct Crew Response to Perform an Emergency Depressurization Using SRVs

UPDATE LOG: Indicate in the following table any minor changes or major revision s made to the material after initial approval.

  1. DESCRIPTION OF CHANGE REASON FOR CHANGE AR/TWR# PREPARER DATE REVIEWER DATE 0.0 New for PDA 19-1 LOIT NRC Exam. See cover See cover

TR-AA-230- 1007-F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 5 of 6

TASKS ASSOCIATED WITH SIMULATOR EXERCISE GUIDE Task # Task Title

94.03 Respond to Power/Reactivity Abnormal Change Condition

94.08 Respond to Loss of 4160V Non-essential Power Condition (1A1 or 1A2)

94.14 Respond to Well Water System Abnormal Operation Condition

94.15 Respond to the loss of River Water Supply

94.24 Respond to High Winds / Severe Thunderstorms / Tornado Condition

95.65 Spray the Drywell with RHR Not Required for Adequate Core Cooling

95.63 Perform DW/T leg of EOP 2

95.80 Perform an Emergency Depressurization Using SRVs

1.02 Determine Operability for Technical Specification Required Components

3.01 Implement Emergency Plan

5.03 Direct Crew Responses to Power/Reactivity Abnormal Change Condition

5.08 Direct Crew Response to Loss of 4160V Nonessential Power Condition

5.14 Direct Crew Response to Well Water System Abnormal Operation Condition

5.15 Direct Crew Response to the loss of River Water Supply

5.24 Direct Crew Response to High Winds / Severe Thunderstorms / Tornado Condition

6.65 Direct Crew Response to Spray the Drywell with RHR Not Required for Adequate Core Cooling

6.74 Direct Crew Response for performance of ALC when injection systems are lined up and available, or when no pumps are available

6.78 Direct Crew Response for performance of Emergency Depressurization

6.80 Direct Crew Response to Perform an Emergency Depressurization Using SRVs

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 6 of 7

OVERVIEW / SEQUENCE OF EVENTS

OVERVIEW

See below event description for overview

The Scenario will end when the plant has been depressurized and RPV level is returning to the directed band.

SEQUENCE OF EVENTS

ALL TIMES IN THIS SCENARIO ARE APPROXIMATE

Event # Description

1. The plant is starting up following a failure of the lube oil system of the B Feedwater pump.

The plant is currently at 50% power and the startup was on hold due to the performance of STP 3.5.1-10, HPCI System Operability Test and Comprehensive Pump test. The STP has been completed SAT and torus cooling was in service.

After turnover, the crew will finish securing from torus cooling by securing A side RHRSW and A side ESW.

2. Raise Power with Recirc to 55%-60% in preparation of putting the B RFP in service.
3. Due to the electrical transients on the 1A3, Essential Switchgear, the feeder breaker 1A312, to 1B09 opens on ground fault. Subsequently, a loss of A side RWS occurs. The crew will start 1P-117B (D) IAW ARP 1C08A(B-6), LC XFMR 1X09 Breaker 1A312, or MCC 1B9 BKR 1B903 Trip, and AOP 410 Loss of River Water Supply. Based on the loss of 1B09.

The Control Room Supervisor will enter TS 3.8.7, Condition D, to declare associated River Water Supply subsystem(s) inoperable, Immediately. From 3.8.7, the crew will enter TS 3.7.2, Condition A, to restore the RWS subsystem to OPERABLE status within 7 days.

4. A report is received by the Control Room Supervisor that the National Weather Service has issued a Severe Thunder Storm Watch for the next 60 minutes. The Control Room Supervisor will enter AOP 903, for the Severe Thunder Storm.

Once the site wide announcement is completed, a lightning strike will cause a trip of the A Well Water Pump The Crew will respond to the trip of the A Well by performing the actions of ARP 1C23C, F-1, A Well Water Pump 1P58A Trouble. This will refer the Operator to AOP 408, Loss of Well Water Flow. The Operator will restore adequate Well Water flow via AOP 408.

When the Balance of Plant goes to monitor Well Water parameters at 1C23, an additional lightning strike will occur and trip the running RWCU pump. The crew will take action in accordance with 1C04B (A-9), RWCU Pump LO Flow, and B-9, RWCU Filter/Demin Trouble.

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 7 of 8

The Control Room Supervisor will enter TRM Spec 3.3.4 for online chemistry monitoring is not met with RWCU OOS.

5. A LOCA will develop from the B recirculation loop due to raising reactor power. The crew will insert a manual scram prior to the DW reaching 2 psig and enter EOP 1 on the scram, and when the DW reaches 2 psig, the crew will re -enter EOP 1 and enter EOP 2.
6. As the DW temperature and pressure rise, the crew will take action to spray the DW prior to the DW temperature reaching 280°F. (Critical)

When drywell pressure rises above 2 psig, the following equipment issues will be identified by the crew:

  • The B CS pump will start and trip after operating for 3 minutes (B CS will be unavailable)
  • The A CS pump will fail to automatically start and wi ll be manually started by the crew (Critical)

HPCI will initially start and inject to the vessel. The HPCI Aux Oil Pump will fail and HPCI will be unavailable when secured

7. On the turbine trip the Startup Transformer will develop an electrical fault and cause a loss of 1A1 and 1A2 Non-essential Electrical Buses. The Control Room Supervisor will enter and direct the actions of AOP 304.1, Loss of 4160V Non-Essential Electrical Power.
8. The primary leak will begin to worsen and overcome all high pressure makeup sources.

The Control Room Supervisor will enter Alternate Level Control and prepare for an Emergency Depressurization. When RPV level reaches +15, the crew will;

When RPV pressure lowers to 450 psig, the crew will determine that the selected RHR inject valve and A Core Spray Inject valve did not automatically open, and Operator action is necessary to manually open both valves (Critical)

The scenario will end when the crew has performed and Emergency Depressurization and RPV level is being returned to the directed band.

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 8 of 9

SIMULATOR SET UP INSTRUCTIONS

1. Perform simulator set up per TDAP 1839 Attachment 2, Simulator Setup Checklist ____
2. Using the exam flash drive with the scenario simulator files, insert in the left instructor station computer and navigate to the D: \\ directory ____
3. Copy the NRCScenario 3.dat file from the exam flash drive to C: \\Trex_Duane-TELEC\\Executive\\SiteSpecific\\InitialCondition and rename the file to an available IC using the format ic_### ____
a. Reset to the newly created IC ____
b. Place the Simulator in RUN ____
c. Run schedule file Weather.sch following directory path D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_3\\NRCScenario3_SimFiles ____

OR

4. Reset to IC 13, place the simulator in RUN and perform the following (this will take approximately 15 minutes for the plant to stabilize):
a. Insert Event Triggers, Malfunctions, Overrides, and Remotes using schedule ____

file NRCScenario3Setup.sch located on the exam flash drive using the following directory path D:\\NRCOperational\\NRCScenarios\\NRC_Scenario_3\\NRCScenario3_SimFiles ____

b. Have a second instructor verify:

(1) Auto triggers are setup as indicated below and evaluate to FALSE ____

(2) Malfunctions ____

(3) Remotes ____

(4) Overrides ____

c. Verify that an A RWS Pump is in service (single river water supply pump) ____
d. The orange 45% runback placard is in place on 1C05 ____
e. Secure both B RFP and the B RFP Aux Lube Oil Pump ____
f. Secure the B Condensate pump ____
5. Setup Thundersound on the Instructor Station computer to the right and verify the following settings:
a. Click on the checkbox under Playing for THUNDERSTORM ____
b. Click the STOP button to toggle audio model to playing ____
c. Verify Instructor Station sound volume is set to approximately 25% ____
d. Verify the dB controller (under the Instructor S tation monitor) level 2 know is aligned to the detent (white line on the knob is pointing slightly counterclockwise) ____
e. Verify the Front Room (both) sub amplifiers are set to approximately 50% of scale ____

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 9 of 10

6. Place Guarded Equipmen t tags on: ____
  • 1B35witch
  • 1B43witch Markp IP Perperion (35% -100%), Stion 0,ag Pb35%, up to Step 9 aefr ____

Mkhe BOL plseactttu(withdro the crt controd position titions ____

EBOpullheets are in the Bile ____

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 10 of 11

EVENT TRIGGER DEFINITIONS:

Trigger No. Trigger Logic Statement Trigger Word Description 1 rxqic >= 0.55 Calculated Core Power >= 55%

3 ZDIEG286B l ZDIEG286P Main Generator Trip 5 pcpdwg > 2.0 Drywell Pressure above 2.0 psig

7 ZDIRHH2001(2) l ZDIRHHS1903(2) Drywell Sprays Initiated

9, 11, 13 Manually activated

MALFUNCTIONS:

Time Malf. No. Malfunction Title Delay Ramp ET Initial Final Value Value CORE SPRAY INJECTION SETUP stcs01 VALVE FAILS TO OPEN - MO-INACTIVE ACTIVE 2117 SETUP cs05a CORE SPRAY PUMP A - INACTIVE ACTIVE FAILURE TO AUTO-INITIATE SETUP strh01 LPCI A INJECT VALVE FAILS INACTIVE ACTIVE TO AUTO OPEN - MO-2003 SETUP strh02 LPCI B INJECT VALVE FAILS INACTIVE ACTIVE TO AUTO OPEN - MO-1905 As dir ed08m 4.16 KV/480V BUS FAULT-BUS 1 INACTIVE ACTIVE 1B09 As dir ed06c STARTUP TRANSFORMER 3 ACTIVE ACTIVE LOSS As dir cs01b CORE SPRAY PUMP TRIP-3 min 5 INACTIVE ACTIVE CORE SPRAY PUMP B TRIP As dir hp12 HPCI Aux Oil Pump Trips 5 sec 5 ACTIVE ACTIVE RECIRC LOOP RUPT-DESIGN As dir (new) rr15b BASES LOCA AT 100%- LOOP 20 min 7 1 3 B

As dir sw21a WELL WATER PUMP TRIP-9 INACTIVE ACTIVE PUMP A, 1P58A As dir cu01b RWCU PUMP TRIP - PUMP B 11 INACTIVE ACTIVE RECIRC LOOP RUPT-DESIGN As dir rr15b BASES LOCA AT 100%- LOOP 4 min 13 0 1 B

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 11 of 12

OVERRIDES:

Time OR No. Override Title Delay Ramp ET Initial Final Value Value

REMOTE FUNCTIONS:

Time RF. No. Remote Function Title Delay Ramp ET Initial Final Value Value

SCHEDULE FILE(S): NONE

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 12 of 13

SHIFT TURNOVER INFORMATION

  • Day of week and shift o It is Today Dayshift
  • Weather conditions o Cloudy and warm with a chance of storms.
  • Plant power, 50% and the associated MWE and Core Flow
  • Protected train o None o Guarded Equipment Skimmer Surge Tank Room, Fuel Pool Heat Exchanger Room, 1C136 Fuel Pool Cooling Panel, 1B3507 A Fuel Pool Cooling Pump Breaker, 1B4327 B Fuel Pool Cooling Pump Breaker Time to 200° F is 74 hours8.564815e-4 days <br />0.0206 hours <br />1.223545e-4 weeks <br />2.8157e-5 months <br />
  • There are no Technical Specification Action statements in effect
  • Evolutions in progress or planned for upcoming shift o STP 3.5.1-10, HPCI system Operability Test and Comprehensive Pump Test, was completed SATISFACTORY early last shift and torus cooling shutdown is in progress:

A RHRSW is in service with A RHRSW pump in operation A ESW is in service to suppor t plant conditions o The Plant is a 50% power due to repairs on the B Feedwater Pump lube oil system 4 days ago, 1P-2B, the B RFP Aux Lube Oil Pump, automatically started due to a faulty pressure switch. After the automatic start, 1P-2B catastrophically failed Power was reduced and the B Feedwater pump was removed from service The lube oil system has been repaired, the Mechanics have just signed off their post maintenance testing for the 1P-2B

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 13 of 14

  • Plant PRA/PSA Status including CDF/LERF & color o CDF GREEN - 1.47E-6/ Cumulative Core Damage Probability (CCDP) No Limit o LERF GREEN - 3.92 E-7/ Cumulative Large/Early Release Probability (CLERP) No Limit
  • Procedures or major maintenance in progress o The Plan is to perform the following; Prepare to start the B Feedwater Pump IAW OI 644, Feedwater System.
  • Currently in IPOI 3, Section 4.0, raising power above 35%, through step 8
  • Reactor Power must be raised with Recirc to between 55 and 60% power to start the B Feedwater Pump.

o The scheduled Reactivity SRO went home due to a family emergency. Operations Management will allow the CRS to oversee the 5 to 7% power rise with Recirc to position the plant for the start of the B Feedwater Pump.

  • The two extra ROs are currently in the simulator performing JITT on the start of the second Feedwater pump
  • The WCC is currently preparing a prejob brief the start of the B Feed water Pump
  • When the B Feedwater System is operating, the R eactor Engineers will come to the control room for a rod pull brief to continue with the power rise to 100%.
  • Equipment to be taken out of or returned to service this shift/maintenance on major plant equipment o Secure A RHRSW Pump and A ESW system
  • Comments, problems, operator workarounds, etc.

o Two (2) extra RO o Three (3) Extra NSPEO

TR-AA-230- 1007 -F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 14 of 15

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 1: CREW: Secure A RHRSW and A ESW Secure A RHRSW Pump CRS:

and A ESW

  • Direct Operators to secure A RHRSW and A ESW

BOP:

  • Stop 1P-22A by placing HS-4925A momentarily to STOP
  • Verify associated pump ammeter on 1C03 indicates 0 amps
  • Verify flow indicator FI-2050 RHRSW INLET FLOW at 1C03 indicates 0 gpm
  • Stop A ESW Pump by placing HS-4928A on 1C06 in the STOP position

ATC:

  • Provide peer-checks are requested

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 2: CREW: Raise Reactor Power with Recirc IAW OI 264, Sec 4.2 Raise reactor power with CRS:

recirc

  • Direct the ATC to raise reactor power to 55-60% with recirc
  • Supervise the manipulation of the Recirculation System

ATC:

  • Raise Recirc Flow with SIC-9245A, A Recirc MG Set Speed Control, and SIC-9245B, B Recirc MG Set Speed Control.
  • Monitor core parameters as power is changed, such as:

o Recirc flow o Reactor jet pump total core flow o Total steam flow o Total feed flow o Reactor water level o Reactor pressure o APRM power

BOP:

  • Provide peer-checks are requested
  • Monitor plant parameters as power is changed, such as:

o Generator output EVALUATOR NOTE: The loss of River Water Supply is automatically initiated when calculated core thermal power is 55%. The next event can be directed by the Lead Evaluator prior to this automatic initiation.

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 3: CREW: Respond to ARP 1C08B (B-6) LC XFMR 1X09 Breaker 1A312, or Breaker 1A312 MCC 1B21 BKR 1B2003 Trip and AOP 410, Loss of River Water Supply.

TRIP SIMULATOR OPERATOR At the direction ACTIVATE ET 1/VERIFY ET 1 is active BOP:

of the Lead This will insert ED08N for loss of 1B09

  • Send an Operator to the Intake Structure to verify 1K-16B is maintaining Evaluator: system air pressure and supplying both Intake Structure Instrument Air BOOTH COMMUNICATOR headers.

If sent to 1A3 ACKNOWLEDGE the request, WAIT 2

  • Start River Water Supply Pumps 1P-117B and D as required per OI 410 switchgear to minutes and REPORT, Breaker 1A312 is (River Water Supply System) and perform the following:

investigate, tripped with indication of ground fault, all o Monitor Circ Water Pit level on Computer Point F092 and Cooling other indications are normal. Tower Basin levels on LI-4231 and LI-4232 o Be prepared to perform AOP 410 (Loss of River Water Supply)

EVALUATOR NOTE:

  • Start Standby Pump (B or D RWS Pump) to restore needed makeup flow Time compression can be used for the
  • Send an operator to the Intake Structure to verify alarms and check RWS Intake Structure Report. pump breaker condition. (94.15)

If/When sent to Intake Structure BOOTH COMMUNICATOR CRS:

to investigate. ACKNOWLEDGE the request, WAIT 10

  • Enter AOP 410 Loss of River Water Supply (5.15) minutes and REPORT, There is no power for A side equipment at the intake
  • Comply with the Technical Specification requirements for Distribution structure, all equipment appears normal Systems-Operating (3.8.7 Condition D) and inoperable RWS and 1K-16B is running and operating subsystem. (3.7.2 Condition A) (1.02) normally.
  • Contact organization for support If necessary, acknowledge SIMULATOR OPERATOR annunciators at SET RF AN03 to ACK 1C102, This will acknowledge 1C102 annunciators

EVALUATOR NOTE: The next event is to setup for the associated system/component failures in the follow-on events and can be directed at the Lead Examiners direction.

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 4: AOP CREW: Perform actions directed by AOP 903, Severe Weather and for the 903, lightning loss of A Well Water Pump strike Simulator Operator The National Weather Service has just CRS:(5.24)

Call the control declared a Severe Thunderstorm

  • Enter and direct that AOP 903, Severe Weather, Section B be entered room as Warning For DAEC for the next 60 and the necessary announcements be made to DAEC Security and minutes
  • Will call ITC to determine the status of the grid and inform the ITC Real report, Time Desk of the severe storm warning Simulator Operator
  • Enter and direct AOP 408, Loss of Well Water When Inform the control room that the grid is contacted as stable. BOP: (94.24)

ITC,

  • Make the thunderstorm warning When called as Simulator Operator
  • Request Security inform personnel working outside, who may not have security Inform the control room that you will been able to hear the page announcement, of the WARNING condition personnel, notify any personnel working outside
  • Monitor wind speed using SPDS display SPMET1, YR9400 MET System that may not have heard the warning Recorder, Group Display "AOP903", Real Time Plot "Wind", and other available local wind speed display
  • Inform the CRS/SM to Refer to EPIP 1.1 and 1.2 for Emergency Ac tion After the site Level Classification and Notification requirements wide Simulator Operator
  • Start the C Well Water Pump announcement Activate ET 9
  • Verify all Well Water Pump parameters at 1C23 is complete and This will trip the A Well Water Pump at the direction of the Lead Evaluator, EVALUATOR NOTE: This first event was developed for the BOP Operator for the loss of Well Water. Ensure that the BOP Operator is in the vicinity of 1C07 and the well water system controls. The next event was developed for the ATC Operator for the loss of RWCU system.

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 4: AOP CREW: Respond to a loss of RWCU Pump B and the following 903, lightning annunciators:

strike

  • 1C04B A-9 RWCU PUMP LO FLOW SIMULATOR OPERATOR
  • 1C04B B-9 RWCU FILTER/DEMIN TROUBLE When the BOP Activate ET11 ATC:

is adjusting well This will trip the B RWCU Pump

  • Will determine that the B RWCU Pump has tripped and take action IAW water at 1C23, ARP 1C04B A-9, RWCU Pump Lo Flow SIMULATOR OPERATOR
  • Verify the running RWCU Pump has tripped Call the control room as a security
  • Direct an operator to verify the RWCU Beds in HOLD Guard and report that there was a
  • Direct an operator in investigate the pumps locally lightning strike just north of the plant
  • Direct an operator to reset the breaker1B3509(1B4329)
  • Check for fault light on the variable speed drives
  • Crack open MO-2723, Cleanup Demin Bypass valve If contacted to BOOTH COMMUNICATOR
  • As Time permits, investigate ACKNOWLEDGE the request, WAIT 3 o If the RWCU System will remain shutdown/isolated for an extended TRIP of B minutes and REPORT, B RWCU period of time, computer point B017, RWCU System Flow, may RWCU pump pump is warm to the touch. A RWCU need to be substituted to zero to maintain accurate ACUMEN pump is normal. Both RWCU Demin Periodic Reports.

Beds are in HOLD. o Restore RWCU to service

CRS:

  • Determine that TRM Spec 3.3.4, RCS Conductivity Monitoring Instrumentation, is not met and enter Condition A
  • Direct Chemistry to swap to Recirc Sample Point for monitoring RCS Chemistry EVALUATOR NOTE: The next event will be a Loss of Coolant Accident and the follow-on events will be automatically inserted based on Operator actions. The leak rate will take approximately 2 minutes before control room annunciators will alert the Operating crew of the primary leak into containment.

TR-AA-230- 1007-F13, Revision 0 NRC Scenario 3, Rev. 0 SEG Page 19 of 20

SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 5: CREW: Respond to the rising in Dry Well Pressure LOCA When the CRS:

actions of the SIMULATOR OPERATOR

  • Set a Critical Parameter on DW pressure, and place a line in the sand to are under insert a manual scram at 1.8 psig control and at This will begin the LOCA the directions of the Lead BOP:

Evaluator,

  • Will begin to perform the actions of AOP 573
  • Will monitor DW pressure and report to the CRS as necessary

ATC:

  • Willteactcramri to DWrsreacng 2 psig

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 5: CREW: Perform actions directed by EOP 1 LOCA and EOP 1 CRS:

  • Enter and Direct EOP 1, RPV Control
  • Restore and maintain RPV level to 170 to 211 with high pressure sources
  • Install Defeat 11
  • Maintain RPV pressure 800 psig to 1055 psig using EHC and MSL drains
  • When plant conditions are stable, Directs that a pressure band of 500 psig to 700 psig be established using the SRVs to take the head off of the leak

ATC:

  • Will provide the crew with the scram report:

o All Rods fully inserted o Will provide an RPV level and that a there is an EOP entry condition o Will provide a reactor pressure

  • Will maintain RPV pressure 800 psig to 1055 psig using EHC
  • Utilize MSL drains and SRVs to lower reactor pressure to the desired band
  • Will operate available high pressure systems to maintain RPV level in the directed band

BOP:

  • Install D t

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 6: Hi CREW: Mitigate containment parameters in accordance with EOP 2 DW Pressure SCRAM, ECCS CRS:

failures SIMULATOR OPERATOR

When the DW VERIFY ET 5 goes TRUE

  • Obtains a round of Primary Containment parameters reaches 2 psig, This will trip the B CS pump after a 3 min
  • Per PC/P time delay and TRIP the HPCI Aux Oil
  • When the torus pressure is above 2 psig and below 11 psig, direct to Pump after 5 seconds Spray the Torus
  • Per DW/T BOOTH COMMUNICATOR
  • Verifies torus level < 13.5 feet If contacted to ACKNOWLEDGE request WAIT 3
  • Plots DW temp vs DW pressure on the DWSIL curve investigate minutes and REPORT 1D41 -13 is
  • Verifies Recirc pumps Tripped HPCI Aux Oil TRIPPED. There is no indication of
  • Directs spraying the DW prior to DW air temperature reaching 280°F Pump Breaker smoke or fire. (Critical) (6.65)
  • Per TT If contacted to o Maximize Torus Cooling investigate ACKNOWLEDGE request WAIT 3 ATC:

HPCI Aux Oil minutes and REPORT The HPCI Aux

  • TRIP the A Reactor Recirc pump when directed prior to spraying the Pump Oil Pump has catastrophically failed DW and there are pieces lying about. BOP: (95.63)
  • Sprays the Torus SIMULATOR OPERATOR
  • Install Defeat 4 VERIFY ET7 goes ACTIVE
  • Sprays the DW (Critical) (95.65)
  • Establishes Torus Cooling When drywell sprays are initiated, the
  • Determines that the B CS pump has tripped, and reports the issue to drywell leak to get worse to overtake all the CRS available high pressure injection sources
  • Determines that the ACS pump did not a utomatically start and start the CS pump and report it to the CRS (Critical)

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 7: CREW: Loss of Non-Essential Power Startup Transformer CRS: (5.08)

Lockout

  • Enter and direct AOP 304.1, Loss of 4160V Non-Essential Electrical Power

ATC:

  • Start RCIC to maintain reactor water level in the directed band

BOP:

o Verify two Well Water Pumps are in service o Verify Well Water Pump 1P-58D secured. In AUTO, verify FC-4414 demand is zero. In HAND, verify speed adjust at 1C373 is zero o Verify GSW Pumps 1P-89A and B in service o Place BUS 1A1 TRANSFER switch in MANUAL o Place BUS 1A2 TRANSFER switch in MANUAL

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 8: ALC CREW: Take actions directed by EOP 1/ ALC

CRS: (6.74, 6.78)

  • Enter into the ALC leg of EOP 1
  • Secures the cooldown if still in progress
  • Directs ADS locked out
  • Maximize injection with CRD IAW AIP 407
  • Inject with SBLC pumps IAW AIP 406
  • Ensures that there are low pressure ECCS systems available to inject into the RPV
  • Waits for RPV level to lower to +15 inches
  • After RPV level lowers to below +15 inches and prior to RPV level lowering to -25, implements the mitigation strategy of Emergency Depressurization (Critical)

ATC: (95.80)

  • Inform the CRS that RPV level cannot be maintained
  • Maximize injection with CRD IAW AIP 407
  • Inject with SBLC pumps IAW AIP 406
  • Monitor RPV level and reports to Control Room Supervisor

BOP:

  • Reports that the A CS pump had to be manually started
  • Lockout ADSimers

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE EVENT 8: ALC CREW: Take actions directed by Emergency Depressurization (ED)

CRS: (6.80)

  • When RPV level has dropped to +15, enter ED
  • Verify torus level is > 4.5 ft
  • Directs maximizing injection with low pressure systems
  • Restore RPV level to 170 to 211

BOP:

  • Report torus level EVALUTOR NOTE:
  • Recognizes that at a reactor pressure of 450 psig, that MO-1905, LPCI The following valves shall be manually Inject did not open and MO-2117, Core Spray Injection Valve failed to opened at or before reactor pressure open, and manually opens both injection valves (Critical) lowers to their respective specified shutoff head pressure values identified in EOP 1.

They are:

  • LPCI (MO-1905) at 260 psig
  • Establishes injection into the RPV with low pressure systems
  • RtPVo70 to 211

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SIMULATOR EXERCISE GUIDE SCENARIO INSTRUCTIONS TIME/NOTES INSTRUCTOR ACTIVITY EXPECTED STUDENT RESPONSE When the plant has been SIMULATOR OPERATOR emergency Place the Simulator in FREEZE and depressurized Announce that the scenario is and RPV level complete, please stand by your is being stations and do not discuss the restored to the scenario with your crew directed band, and at the direction of the Lead Evaluator,

      • END OF SCENARIO ***

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QUANTITATIVE ATTRIBUTES

Malfunctions:

Before EOP Entry:

1. Trip of 1B09, the A RWS subsystem
2. Trip of the A Well
3. LOCA

After EOP Entry:

1. Loss of Condensate and Feed due to the loss of the non-essential busses
2. Failure of automatic injection following ED

Abnormal Events:

1. AOP 410 for the loss of 1 subset of River Water Supply
2. AOP 408 for the loss of the D Well
3. AOP 304.1 for the loss of the startup transformer
4. AOP 903 for weather related events

Major Transients:

1. LOCA
2. Failure of ECCS to automatically start

Critical Tasks:

1. IF the reactor is shutdown under all conditions and RPV level drops to +15, THEN perform Emergency RPV Depressurization before RPV level reaches - 25".
2. IF the reactor is shutdown under all conditions, THEN crew actions must be taken to restore and maintain RPV level for adequate core cooling. (> -25" or - 39")
3. BEFORE drywell temperature reaches 280°F and WHILE in the safe region of the DWSIL, THEN initiate drywell sprays

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Facility: Duane Arnold Energy Center Scenario No.: ___ 3_____ Op-Test No.: 19-1 NRC

Examiners: Operators: _____________________________

Initial Conditions/Turnover:

Reactor Power is 50%.

Guarded Equipment: Skimmer Surge Tank Room, Fuel Pool Heat Exchanger Room, 1C136 Fuel Pool Cooling Panel, 1B3507 A Fuel Pool Cooling Pump Breaker, 1B4327 B Fuel Pool Cooling Pump Breaker.

Severe weather is expected to enter the area during the shift.

Evolutions in progress or planned for upcoming shift

  • Complete securing of A RHRSW pump and A side ESW
  • Raise Power with Recirc to 55%-60% in preparation of putting the B RFP in service

Plant PRA/PSA Status including CDF/LERF & color

  • CDF GREEN - 1.47E-6/ Cumulative Core Damage Probability (CCDP) No Limit
  • LERF GREEN - 3.92 E-7/ Cumulative Large/Early Release Probability (CLERP) No Limit

2 Reactor Operators are in the Training Center 3 Extra Non Licensed Personnel Available in Work Control Event Malf. Event Event No. No. Type* Description 1 None N-BOP Complete securing of A RHRSW pump and A side ESW N-SRO 2 None R-ATC Raise Power with Recirc to 55%-60% from an initial power of 50%

R-SRO 3 C-BOP Breaker 1A312, feeder breaker to 1B09 opens on ground fault.

C-SRO Subsequently, a loss of A side RWS occurs. The crew will start 1P -

ed08m TS-SRO 117B(D) IAW ARP 1C08A, B-6 and AOP 410 Loss of River Water Supply

Tech Spec 3.8.7, Condition D 3.7.2 Condition A

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4 sw21d C-ATC Shortly after the crew enters AOP 903, a lightning strike will result in:

rr37a C-BOP

  • The Tripping of the A well AOP 408 rr37b C-SRO An additional lightning strike will result in:

cu01a/b TS-SRO

  • Reactor Water Cleanup Pump Trip TRM 3.3.4 R CAillelo Thcrill it a nualcram prio tt rr1Rb M-l reacni Tr will Elm oncram,n th ateach O psirewille -e Elm 1 alm O.

S ln the ig s na csM1b TBpumpilltt and tri cs C-TApumpill floomaticlytt. The Apump can b C-l sttanuly byip pump epo the sttiti.

TmCf Ailp ce Breakillritart and entmCf frting T ln trip tttransfmerillkout. rill perfm the applications of Alm PM4. ioss of s-Essent fwMOb C-l Eltric.

Tsillt ia ls ofllondensd ceed 8 The primaryeakillsed the crillftions rte Altnate ievelontrol pren Emergencyeprsizion.

tn oms leleach1R,he cr w C-m

  • When RPV pressure lowers to 450 psig, the crew will determine that the selected RHR and A CS inject valves did not automatically open, and operator actions are taken to manually open the valves

TR-AA-230- 1007-F13, Revision 0