ML060880320

Final Administered Administrative Jpms for the D.C. Cook Initial Examination - February 2006

ML060880320
Person / Time
Site:	Cook
Issue date:	02/06/2006
From:	Bailey R Office of Nuclear Reactor Regulation
To:
References
Download: ML060880320 (58)

Text

Page 1 of 10 N06-SRO-a TITLE Review Completed SDM Calculation REVISION 1

PROGRAM Initial Licensed Operator (ILT)

TIME 20 Minutes SCOPE OF REVISION: Bank JPM No. SRO-N005 revised to include Stuck Rod and Misaligned rod.

DATE:

Name:

Steve Pettinger AUTHOR Signature:

Name:

FACILITY REVIEWER Signature:

Facility Supervisor / Manager

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 2 of 10 REFERENCES Unit 1 Technical Data Book Cycle 20 01-OHP-4021-001-012, Rev 20 Determination of Reactor Shutdown Margin TASK TASK ID:

ADM0370302 Verify Limiting Conditions for Operations are met in accordance with Technical Specifications K/A Statement:

2.1.25 Ability to obtain and interpret station reference materials such as graphs, monographs, and tables which contain performance data.

K/A Importance:

RO:

2.8 SRO: 3.1 K/A Statement:

2.1.32 Ability to explain and apply all system limits and precautions.

K/A Importance:

RO:

3.4 SRO: 3.8 EVALUATION SETTING Classroom HANDOUTS Completed Attachment 1 of 01-OHP-4020-001-012 Tech Data Book Figures 1.3b and 13.1 Calculator ATTACHMENTS None SIMULATOR SETUP None

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 3 of 10 TASK OBJECTIVES/STANDARDS Review and verify the accuracy of a manual Shutdown Margin Calculation for MODE 1 or 2.

EVALUATOR INSTRUCTIONS Provide the operator with a completed copy of Attachment 1 of 01-OHP-4020-001-012 and Tech Data Book Figures TASK BREIFING You are the Unit Supervisor on Unit 1.

Per your direction, the extra Control Room Operator completed Attachment 2 of 01-OHP-4021-001-012, Determination of Reactor Shutdown Margin.

Unit 1 conditions are as follows:

• PPC point U0035 indicates 12,010 MWD/MTU

• Reactor power is at 100% steady state.

• RCS boron concentration is 535 ppm.

• Control Bank D step counter indicates 219 steps.

• Individual rod positions for the Control Bank D rods are as follows:

D-4 at 217 steps D-8 at 200 steps D-12 at 218 steps H-4 at 216 steps H-8 at 218 steps H-12 at 220 steps M-4 at 216 steps M-8 at 220 steps M-12 at 219 steps

• Control rod F-10 in Control Bank C was discovered to be untrippable during performance of Technical Specification Surveillance Requirement 3.1.4.2.

• The SM is addressing the Technical Specification Requirements associated with the Untrippable ROD.

Perform the SRO review of the completed Attachment 2.

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 4 of 10 Operator initiates review of Attachment 2.

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 5 of 10 CT: Operator determines that ONE rod is misaligned. Rod D-8 is misaligned. TBD-1-FIG-13.1 allows

+ 18 steps. Rod D-8 is at -19 steps from bank demand.

[ Added During Exam Administration: The Rod is NOT below the insertion limits and therefore is NOT included here. ]

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 6 of 10 Operator should identify the second bullet of Step 4.3 as N/A with initial and date required.

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 7 of 10 CT: Operator should identify Step 4.5.2 Stuck Rod Worth is Incorrect.

(Note: Stuck rod worth should be ~825 pcm (800-850 pcm) from the top table of 1-Figure 1.3b - 121 pcm obtained from the bottom table)

[ Changed during Exam Administration ]

CT: Operator determines that ONE rod is misaligned. Rod D-8 is misaligned. TBD-1-FIG-13.1 allows + 18 steps. Rod D-8 is at -19 steps from bank demand.

(CT - Previously listed on page 5 of JPM)

(Note: Misaligned Rod Worth should be 121 pcm [120-122 pcm])

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 8 of 10

[ Changed during Exam Administration ]

CT: Operator shall identify error carried forward.

Stuck Rod worth should be 825 pcm [800-850 pcm]

Rod D-8 as misaligned. Misaligned Worth is 121 pcm [120-122 pcm].

Total Unavailable rod worth is 946 pcm [920-972 pcm]

825 pcm [800-850 pcm].

[ Changed during Exam Administration : CT ]

Net excess Shutdown Margin is Incorrect - Should be 1204 pcm [1178 to 1230] pcm 1325 pcm [1300 to 1350 pcm].

COURSE NUMBER AND TITLE:

N06-SRO-a Review Completed SDM Calculation REVISION: 1 Page 9 of 10 Operator shall identify the incorrect data in the calculation. The calculated value is incorrect and the SDM calculation is Non-conservative The SRO should not sign this Attachment until the necessary corrections are made.

THIS JPM IS COMPLETE

N06-SRO-a Page 10 of 10 Task Briefing You are the Unit Supervisor on Unit 1.

Per your direction, the extra Control Room Operator completed Attachment 2 of 01-OHP-4021-001-012, Determination of Reactor Shutdown Margin.

Unit 1 conditions are as follows:

• PPC point U0035 indicates 12,010 MWD/MTU

• Reactor power is at 100% steady state.

• RCS boron concentration is 535 ppm.

• Control Bank D step counter indicates 219 steps.

• Individual rod positions for the Control Bank D rods are as follows:

D-4 at 217 steps D-8 at 200 steps D-12 at 218 steps H-4 at 216 steps H-8 at 218 steps H-12 at 220 steps M-4 at 216 steps M-8 at 220 steps M-12 at 219 steps Control rod F-10 in Control Bank C was discovered to be untrippable during performance of Technical Specification Surveillance Requirement 3.1.4.2.

• The SM is addressing the Technical Specification Requirements associated with the Untrippable ROD.

Perform the SRO review of the completed Attachment 2.

Page 1 of 7 N06-SRO-b TITLE Review AFD Log REVISION 0

PROGRAM Initial License Training (ILT)

TIME 15 Minutes SCOPE OF REVISION: New Issue from SR-O-ADM10 Rev. 0 DATE:

Name:

Max Bailey AUTHOR Signature:

Name:

FACILITY REVIEWER Signature:

Facility Supervisor / Manager

COURSE NUMBER AND TITLE:

N06-SRO-b Review AFD Log REVISION: 0 Page 2 of 7 REFERENCES 01-OHP-4024-110, Drop 44, Rev. 12 Tech Data Book 1-Figure 13.1 Unit 1 Cycle 20 TASK TASK ID:

ADM0370302 Verify Limiting Conditions for Operations are met in accordance with Technical Specifications K/A Statement:

2.1.12 Ability to apply technical specifications for a system.

K/A Importance: RO: 2.9 SRO: 4.0 EVALUATION SETTING Classroom HANDOUTS Completed Attachment A of 01-OHP-4024-110 Drop 44.

Tech Data Book 1-Figure 13.1 Unit 1 Cycle 20 ATTACHMENTS None SIMULATOR SETUP None

COURSE NUMBER AND TITLE:

N06-SRO-b Review AFD Log REVISION: 0 Page 3 of 7 TASK OBJECTIVES/STANDARDS Review a completed AFD Log for correctness and compliance.

EVALUATOR INSTRUCTIONS Provide student with a completed copy 01-OHP-4024-110 Drop 44, Attachment A.

Provide 1-Figure 13.1 Unit 1 Cycle 20 TASK BRIEFING Unit 1 is at 100% power. A Xenon oscillation is in progress and as a result the Control Rods have been moved in an effort to dampen out the oscillation. The AFD Monitor Alarm was declared Inoperable at 0545 hrs this morning due to a bad input to the PPC. A Reactor Operator has recorded the AFD readings during the shift per 01-OHP-4024-110 Drop 44 Attachment A.

You are the Unit 1 Unit Supervisor.

The AFD Monitor Alarm was declared Operable at 1500 hrs. The Reactor Operator has stopped taking AFD data and turned in the completed Attachment A.

You are to review the completed 01-OHP-4024-110, Attachment A, for correctness and compliance.

COURSE NUMBER AND TITLE:

N06-SRO-b Review AFD Log REVISION: 0 Page 4 of 7 C.T. Identifies AFD Target Band Limit is +4.2.

COURSE NUMBER AND TITLE:

N06-SRO-b Review AFD Log REVISION: 0 Page 5 of 7 C.T. Identifies AFD outside the Target Band (2 channels >+4.2)

Cue: Once AFD is identified as outside the Target Band, ask how long it has been outside the Target Band, based on the given data.

C.T. Identifies AFD was outside the Target Band for 30 to 60 minutes and required Technical Specification LCO 3.2.3 entry.

Cue: (If SRO is concerned about T.S. required Thermal Power reduction) Inform him/her the Senior License Holder is reviewing this issue and that the SRO is only responsible for the surveillance review.

COURSE NUMBER AND TITLE:

N06-SRO-b Review AFD Log REVISION: 0 Page 6 of 7 Cue: Ask the SRO if any additional surveillance requirements are necessary after the AFD Alarm Monitor was declared Operable at 1500 hrs.

C.T. Identifies log taking must continue to occur every 30 minutes for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after restoring the AFD Monitor Alarm to Operable status if the AFD has been outside the target band for any period of time in the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of operation.

Reference step 3.8.

THIS JPM IS COMPLETE

N06-SRO-b Page 7 of 7 Task Briefing Unit 1 is at 100% power. A Xenon oscillation is in progress and as a result the Control Rods have been moved in an effort to dampen out the oscillation. The AFD Monitor Alarm was declared Inoperable at 0545 hrs this morning due to a bad input to the PPC.

A Reactor Operator has recorded the AFD readings during the shift per 01-OHP-4024-110 Drop 44 Attachment A.

You are the Unit 1 Unit Supervisor.

The AFD Monitor Alarm was declared Operable at 1500 hrs. The Reactor Operator has stopped taking AFD data and turned in the completed Attachment A.

You are to review the completed 01-OHP-4024-110, Attachment A, for correctness and compliance.

Page 1 of 7 N06-SRO-c TITLE Verify a Clearance Permit for East ESW Pump REVISION 1

PROGRAM Initial Licensed Operator (ILT)

TIME 40 Minutes SCOPE OF REVISION: NEW ISSUE DATE:

Name:

Max Bailey AUTHOR Signature:

Name:

FACILITY REVIEWER Signature:

Facility Supervisor / Manager

COURSE NUMBER AND TITLE:

N06-SRO-c Verify a Clearance Permit for the East ESW Pump REVISION: 1 Page 2 of 7 REFERENCES 12-OHP-2110-CPS-001, Rev 14 Clearance Permit System TASK TASK ID:

3000040201 Verify/Approve a Clearance Permit.

K/A

REFERENCE:

2.2.13 Knowledge of tagging and clearance procedures.

K/A IMPORTANCE:

RO 3.6 SRO 3.8 EVALUATION SETTILNG Classroom HANDOUTS Task Briefing Clearance Package (Forms, Cards)

Prints OP-1-5113-87, OP-1-98415-45, OP-1-94710, OP-98721-19 Copy of 12-OHP-2110-CPS-001, Attachment 1 ATTACHMENTS None SIMULATOR SETUP None

COURSE NUMBER AND TITLE:

N06-SRO-c Verify a Clearance Permit for the East ESW Pump REVISION: 1 Page 3 of 7 Task Standards The operator performs a review per 12-OHP-2110-CPS-001 and determines that the clearance is improperly sequenced, and that tags are required for the control power fuses and that the strainer power supply should be off.

Task Briefing You are an extra SRO.

The Work Control Center-SRO directs you to verify the Unit 1 East Essential Service Water (PP-7E) Pump clearance is ready to hang per 12-OHP-2110-CPS-001, Attachment 1.

• The clearance was written to protect workers/equipment during an ESW internal motor/pump and strainer basket inspection.

• The Clearance was written from 2 Clearance Requests.

• The Clearance was not written from a Standard Clearance.

• The Clearance does not fit into the boundaries of an existing Clearance. (This is a stand alone clearance.)

COURSE NUMBER AND TITLE:

N06-SRO-c Verify a Clearance Permit for the East ESW Pump REVISION: 1 Page 4 of 7 CT: Identifies 1-T11D10-Fuses and 1-T11D10 Breaker are sequenced before the Pump Control Switch Note : (CS should be in Lockout, then Fuses Should be Pulled &Tagged before breaker is taken to DISC)

COURSE NUMBER AND TITLE:

N06-SRO-c Verify a Clearance Permit for the East ESW Pump REVISION: 1 Page 5 of 7 CT - Identifies 1-WMO-701 Local Valve has NO TAG associated. (Valve Should be Red Tagged)

CT - Identifies that the Position listed for 1-PS-D-3C (Strainer Power Supply Breaker) is ON (Should be tagged off)

Identifies that Restoration Configuration position for 1-PS-D-3C (Strainer Power Supply Breaker) is OFF (Should be ON)

COURSE NUMBER AND TITLE:

N06-SRO-c Verify a Clearance Permit for the East ESW Pump REVISION: 1 Page 6 of 7 CUE:

If Candidate states that the clearance should NOT be Placed, Request that they Identify any and ALL items that would prevent the Clearance from being Placed.

Critical Task Summary:

Incorrect sequencing of the Pump Control Switch and Breaker/Fuses

• CT: Identifies 1-T11D10-Fuses and 1-T11D10 Breaker are sequenced before the Pump Control Switch Incorrect Placement Configuration for 1-PS-D-3C (Strainer Power Supply Breaker)

• CT - Identifies that the Position listed for 1-PS-D-3C (Strainer Power Supply Breaker) is ON (Should be tagged off)

Missing Tag for ESW Pump Discharge valve (locally)

• CT - Identifies 1-WMO-701 Local Valve has NO TAG associated. (Valve Should be Red Tagged)

THIS JPM IS COMPLETE.

N06-SRO-c N06-SRO-c.doc Page 7 of 7 Task Briefing You are an extra SRO.

The Work Control Center-SRO directs you to verify the Unit 1 East Essential Service Water (PP-7E)

Pump clearance is ready to hang per 12-OHP-2110-CPS-001, Attachment 1.

• The clearance was written to protect workers/equipment during an ESW internal motor/pump and strainer basket inspection.

• The Clearance was written from 2 Clearance Requests.

• The Clearance was not written from a Standard Clearance.

• The Clearance does not fit into the boundaries of an existing Clearance. (This is a stand alone clearance.)

Page 1 of 8 N06-SRO-d TITLE Respond to a High SJAE Radiation Alarm REVISION 0

PROGRAM Initial License Training (ILT)

TIME 15 Minutes SCOPE OF REVISION: New Issue DATE:

Name:

Max Bailey AUTHOR Signature:

Name:

FACILITY REVIEWER Signature:

Facility Supervisor / Manager

COURSE NUMBER AND TITLE:

N06-SRO-d Respond to a High SJAE Radiation Alarm REVISION: 0 Page 2 of 8 REFERENCES 12-OHP-4024-139, Drop 27, Rev. 12 Steam Jet Air Ejector Tech Data Book Figures:

• 2-Figure-19.19a, Rev 3 Primary to Secondary Leak Rate (Unit 2 at 5 SCFM)

• 2-Figure-19.19b, Rev 2 Primary to Secondary Leak Rate (Unit 2 at 10 SCFM)

• 2-Figure-19.19c, Rev 2 Primary to Secondary Leak Rate (Unit 2 at 15 SCFM)

• 2-Figure-19.19e, Rev 0 Primary to Secondary Leak Rate (Unit 2 at 20 SCFM)

TASK TASK ID:

ADM0420302 Verify Limiting Conditions for Operations are met in accordance with Offsite Dose Calculation Manual (ODCM)

K/A Statement:

2.3.10 Ability to perform procedures to reduce excessive levels of radiation and guard against personnel exposure.

K/A Importance:

RO:

2.9 SRO: 3.3 EVALUATION SETTING Classroom HANDOUTS Completed Data Sheet 1 of 12-OHP-4024-139 Drop 27.

Tech Data Book Figures:

• 2-Figure-19.19a

• 2-Figure 19.19b

• 2-Figure-19.19c

• 2-Figure-19.19e ATTACHMENTS None SIMULATOR SETUP None

COURSE NUMBER AND TITLE:

N06-SRO-d Respond to a High SJAE Radiation Alarm REVISION: 0 Page 3 of 8 TASK OBJECTIVES/STANDARDS Review a completed Data Sheet 1 of 12-OHP-4024-139 Drop 27 for accuracy and determine required actions based upon that data.

EVALUATOR INSTRUCTIONS Provide student with a completed copy Data Sheet 1 of 12-OHP-4024-139 Drop 27.

Provide a copy of 2-Figure 19.19a, 2-Figure 19.19b, 2-Figure 19.19c, and 2-Figure 19.19e.

TASK BREIFING Unit 2 is at 100% power. Radiation Monitoring Panel Alert alarm was received on SRA 2900. A RCS to Steam Generator Tube Leak is suspected. The BOP has taken initial action per 12-OHP-4024-139, Drop 27 to record SRA-2905 activity on Data Sheet 1 at 15 minute intervals. The SJAE flowrate is 7 scfm.

Your are the extra SRO.

The US directs you to plot the data and determine the total leak rate in accordance with 12-OHP-4024-139, Drop 27. Report your results and any operational limitations required per 12-OHP-4024-139, Drop 27.

COURSE NUMBER AND TITLE:

S N06-SRO-d Respond to a High SJAE Radiation Alarm REVISION: 0 Page 4 of 8 Operator determines that SJAE graph for 10 scfm (7 scfm actual) should be used for graphing radiation reading.

COURSE NUMBER AND TITLE:

S N06-SRO-d Respond to a High SJAE Radiation Alarm REVISION: 0 Page 5 of 8 CT: Operator graphs the radiation monitor data as indicated. Slope of curve indicates the rate of rise of the leakrate exceeds 30 GPD/hr.

COURSE NUMBER AND TITLE:

S N06-SRO-d Respond to a High SJAE Radiation Alarm REVISION: 0 Page 6 of 8 CT: Operator determines the final leakrate is 103 GPD (100 to 105)

CT: Operator reports the need to reduce power to less than 50%

within one hour and be in MODE 3 within the next two hours.

CUE: US acknowledges leakrate and need to commence power reduction.

THIS JPM IS COMPLETE

N06-SRO-d Page 7 of 8 Task Briefing Unit 2 is at 100% power. Radiation Monitoring Panel Alert alarm was received on SRA 2900. A RCS to Steam Generator Tube Leak is suspected. The BOP has taken initial action per 12-OHP-4024-139, Drop 27 to record SRA-2905 activity on Data Sheet 1 at 15 minute intervals. The SJAE flowrate is 7 scfm.

Your are the extra SRO.

The US directs you to plot the data and determine the total leak rate in accordance with 12-OHP-4024-139, Drop 27. Report your results and any operational limitations required per 12-OHP-4024-139, Drop 27.

N06-SRO-d Page 8 of 8

Page 1 of 12 N06-SRO-e TITLE Prepare Prompt NRC Notification Worksheet REVISION 1

PROGRAM Initial Licensed Operator (ILT)

TIME 25 Minutes SCOPE OF REVISION: New Issue DATE:

Name:

Max Bailey AUTHOR Signature:

Name:

FACILITY REVIEWER Signature:

Facility Supervisor / Manager

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare Prompt NRC Notification Worksheet REVISION: 1 Page 2 of 12 REFERENCES PMP-7030-001-001, Rev 8 Prompt NRC Notification 10 CFR 50.72, Notification of NRC NUREG-1022, Revent Reporting Guidelines TASK TASK ID:

ADM1250304 Make a prompt NRC notification K/A Statement:

2.4.30 Knowledge of which events related to system operations/status should be reported to outside agencies.

K/A Importance:

RO:

2.2 SRO: 3.6 EVALUATION SETTING Classroom HANDOUTS Task Briefing Sheet Copy of procedure PMP-7030-001-001 ATTACHMENTS None SIMULATOR SETUP None

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare Prompt NRC Notification Worksheet REVISION: 1 Page 3 of 12 TASK OBJECTIVES/STANDARDS Determine NRC notification requirements and prepare an event notification worksheet.

EVALUATOR INSTRUCTIONS Brief the student by providing the student with a task briefing sheet to read. Provide a copy of PMP-7030-001-001 for reference use.

TASK BRIEFING You are the extra SRO.

The Shift Manager directs you to determine the NRC notification requirements and prepare an event notification worksheet (Data Sheet 1) for prompt NRC NOTIFICATION in accordance with PMP-7030-001-001.

The following plant conditions exist as noted.

• Current time is 1400

• DC Cook Unit 1 was in MODE 3 at Operating Temperature and Pressure. The Shutdown and Control Rods were fully inserted with the Reactor Trip Breakers Open.

• At 1325 today, Steam Generator #12 Safety Valve has opened and did not reseat (remains partially open).

• The Unit 1 operation crew manually initiated Safety Injection due to uncontrolled lowering of RCS temperature / pressure, and Steam Generator #12 pressure continues to lower.

• The Unit 1 operating crew has completed E-0, Reactor Trip and Safety Injection, E-2 Faulted Steam Generator Isolation, and is currently in ES-1.1, SI Termination. SI flow has been terminated per ES-1.1.

• Present RCS conditions: RCS is stable in Mode 3; level in SG #12 is at 5% WR and slowly lowering; all other SGs are being maintained between 26% and 50% NR on auxiliary feedwater; and there is no detectable radiation release in progress.

• All other plant systems responded normally to the event.

• The SM has determined that NO Emergency Classification is required per PMP-2080-EPP-101.

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 4 of 12 CT: Determine from conditions stated that the event is reportable per guidance provided in PMP 7030-001-001 Refers to FIGURE 1 to identify reportability and the reference text section for information and clarification CT: Goes to Data Sheet 1

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 5 of 12 NO CRITERIA ON THIS PAGE APPLY TO THE STATED PLANT CONDITIONS.

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 6 of 12 NO CRITERIA ON THIS PAGE APPLY TO THE STATED PLANT CONDITIONS.

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 7 of 12 CT: Identifies that an unplanned ECCS actuation from valid signal (Manual SI) requires a report within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

Note the sections in the procedure text that provide information or clarification of this flow chart determination.

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 8 of 12 CT: Refers to section in procedure text for information of clarification of flow chart results

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 9 of 12 CT: Refers to section in procedure text for information of clarification of flow chart results.

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 10 of 12 Fill in applicable data to include:

CT: Notification of Time / Facility or organization / Unit Caller / Call Back Number (Can be any plant extension)

CT: Event Time / Date / mode (Before and After)

CT: 4 hr Classification (ECCS Discharge to RCS)

==

Description:==

Manual ECCS Actuation on lowering RCS Temp & Pressure from steam release through SG #12 safety valve that opened and failed to reseat. RCS stable in mode three, SI terminated per ES-1.1, SI Termination, SG #12 has blown down and all other SGs are stable at 26% to 50% NR level.

Notifications (NRC)

Other Information 2/6/06

COURSE NUMBER AND TITLE:

N06-SRO-e Prepare NRC Prompt Notification Worksheet REVISION: 1 Page 11 of 12 NO ITEMS ON THIS PAGE ARE APPLICABLE JPM IS COMPLETE

N06-SRO-e Page 12 of 12 Task Briefing You are the extra SRO.

The Shift Manager directs you to determine the NRC notification requirements and prepare an event notification worksheet (Data Sheet 1) for prompt NRC NOTIFICATION in accordance with PMP-7030-001-001.

The following plant conditions exist as noted.

• Current time is 1400

• DC Cook Unit 1 was in MODE 3 at Operating Temperature and Pressure. The Shutdown and Control Rods were fully inserted with the Reactor Trip Breakers Open.

• At 1325 today, Steam Generator #12 Safety Valve has opened and did not reseat (remains partially open).

• The Unit 1 operation crew manually initiated Safety Injection due to uncontrolled lowering of RCS temperature / pressure, and Steam Generator #12 pressure continues to lower.

• The Unit 1 operating crew has completed E-0, Reactor Trip and Safety Injection, E-2 Faulted Steam Generator Isolation, and is currently in ES-1.1, SI Termination. SI flow has been terminated per ES-1.1.

• Present RCS conditions: RCS is stable in Mode 3; level in SG #12 is at 5% WR and slowly lowering; all other SGs are being maintained between 26% and 50% NR on auxiliary feedwater; and there is no detectable radiation release in progress.

• All other plant systems responded normally to the event.

• The SM has determined that NO Emergency Classification is required per PMP-2080-EPP-101.