ML022630128

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NRC Job Performance Measure; JPS-006; Pressurizer Level Malfunction
ML022630128
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 09/16/2002
From:
NRC/RGN-II
To:
References
FOIA/PA-2002-0371
Download: ML022630128 (9)


Text

0 0 V.C. SUMMER NUCLEAR STATION NRC JOB PERFORMANCE MEASURE JPS-006 Pressurizer Level Malfunction (NRC)

Revision No. 3

0 O PAGE 0 iI Pressurizer Level Malfunction (NRC)

IIi III I

II EVALUATOR li TRAINEE DATE il EVALUATOR SIGNATURE Ii il EVALUATION METHOD: PERFORM EVALUATION LOCATION: SIMULATOR. iI 15.0 MINUTES TIME STARTED: ____

ESTIMATED TIME:

10CFR55.45(a)4 IDENTIFY THE INSTRUMENTATION SYSTEMS AND THE SIGNIFICANCE OF FACILITY INSTRUMENT READINGS ii II TIME CRITICAL: No II FAULTED JPM: No II UNSATISFACTORY i_

TRAINEE PERFORMANCE: SATISFACTORY II II ItI I,

I READ TO OPERATOR:

ACTIONS AS DIRECTED IN THE WHEN I TELL YOU TO BEGIN, YOU ARE TO PERFORM THE TASK Ii II INITIATING CUES. I WILL DESCRIBE GENERAL CONDITIONS UNDER WHICHTO THIS PERFORM THIS TOOLS WITH WHICH IS TO BE PERFORMED AND PROVIDE THE NECESSARY INITIAL CONDITIONS, WHICH STEPS TASK. BEFORE STARTING, I WILL EXPLAIN THE TO SIMULATE OR DISCUSS, AND PROVIDE INITIATING CUES.

II FOR THIS WHEN YOU COMPLETE THE TASK SUCCESSFULLY, THE OBJECTIVE SJOB PERFORMANCE MEASURE WILL BE SATISFIED. i INITIAL CONDITIONS:

Plant is operating at 100% power with all conditions stable.

1.

TOOLS AND EQUIPMENT NEEDED:

NONE REFERENCED DOCUMENTS: REV DATE PRESSURIZER LEVEL CONTROL AND 08/22/95

1. AOP*401.6 PROTECTION CHANNEL FAILURE CHEMICAL AND VOLUME CONTROL SYSTEM 10/22/97
2. SOP*102 TASK STANDARDS:
1. PZR HTRS and letdown re-established.
2. Letdown relief is not lifted.

PAGE 1

!i I' Pressurizer Level Malfunction (NRC) I INITIATING CUES:

1. Respond to pressurizer annunciators.

TERMINATING CUES:

1. Operable channel selected.
2. Bistable tripped.
3. Letdown restored.

SAFETY CONSIDERATIONS:

NONE

JOB PERFORMANCE MEASURE CHECKLIST PAGE 2 (S) DENOTES SEQUENCED ELEMENT

(*) DENOTES CRITICAL ELEMENT PERFORMANCE CHECKLIST: SAT. UNSAT.

actions.

iNOTE 1: Steps 1 and 2 are izmediate operator STEP STANDARD Compares LI-459 to LI-460 and LI-461 and S 1. Verify instrument failure by recognizes that LI-459 has failed to 0%

comparing suspect channel level.

level indication and level recorder to other two channels.

STEP STANDARD Positions the PZR level control switch S*2. On pressurizer level control switch, select the position to the 460 - 461 position.

which has two operable channels.

COMMENTS:

STEP STANDARD Verifies the pressurizer level recorder

3. Select operable channel on the position switch channel 460.

pressurizer level recorder.

iNOTE 4: Critical if FCV-122 not full closed.

STEP STANDARD

  • 4. Ensure FCV-122 is in ianual Positions FCV-122 in MANUAL and reduces the demand signal to zero. Observes and closed. (SOP-102. IV L)

FI-122 charging flow goes to zero.

COMMENTS:

0 0 JOB PERFORMANCE MEASURE CHECKLIST PAGE 3 (S) DENOTES SEQUENCED ELEMENT

(*) DENOTES CRITICAL ELEMENT PERFORMANCE CHECKLIST: SAT. UNSAT.

STEP STANDARD

5. Ensure PZR level is greater Checks LI-460 & LI-461 to verify PZR than 18%. level is greater than 18%.

iNOTE 6: Only critical if valve is not opened enough to prevent letdown relief from lifting.

STEP STANDARD

  • 6 Place PCV-145 in manual and Positions PCV-145, controller to MANUAL open to 70%. and increases the demand signal to 70%.

COMM=NTS:

STEP STANDARD

7. Open TCV-144 for maximum CCW Places TCV-144, CC TO LTDN HX, in MAN flow to Letdown HX. and adjusts to 100% demand.

STEP STANDARD

8. Align letdown flow to the VCT. Positions TCV-143, LTDN TO VCT OR DEMIN, to the VCT position.

STEP STANDARD 9 Open PVT-8152 letdown line Verifies PVT-8152, LETDOWN LINE ISOL, isolation indicates red light ON green light OFF.

iNOTE 10: LCV-460 should already be open.

STEP STANDARD

  • 10. Open LCV-459 and LCV-460 LCV-459 and LCV-460 indicate red light letdown line isolation valve ON, green light OFF.

JOB PERFORMANCE MEASURE CHECKLIST PAGE 4 (S) DENOTES SEQUENCED ELEMENT

(*) DENOTES CRITICAL ELEMENT PERFORMANCE CHECKLIST: SAT. UNSAT.

COMMENTS:

STEP STANDARD

11. Ensure Charging Line Isolation MVG-8107 and MVG-8108 indicate red ligth Valves are open. ON, green light OFF.

iNOTE 12: Cue examinee to establish 105 gpm letdown flow.

c d//

STEP STANDARD S*12. Establishes 60 gpm charging Slowly opens FCV-122, CHG FLOE flow establish 60 gpm flow on FI-122 COMETS:

STEP STANDARD

"-13. Open PVT-8149A and one of the PVT-8149A and PVT-8149B or C indicate following PVT-8149B or red light ON green light OFF.

PVT-8149C.

COMMENTS:

0 JOB PERFORMANCE MEASURE CHECKLIST 0 PAGE 5 (S) DENOTES SEQUENCED ELEMENT

(*) DENOTES CRITICAL ELEMENT PERFORMANCE CHECKLIST: SAT. UNSAT.

STEP STANDARD

"*14. Open FCV-122 charging flow, as Increases or decreases the demand signal needed to maintain on the FCV-122 controller to maintain Regenerative Hx outlet between Regenerative Hx outlet between 2 5 0 *F and 250*F and 350*F and maintain 350*F and Pzr level at program without Pzr level. lifting letdown line relief.

COMMENTS:

STEP STANDARD

"-15. Close PCV-145 to maintain Decreases the demand signal on the letdown pressure between 300 PCV-145 controller to close PCV-145 and and 400 psig. observes pressure indication to maintain letdown pressure between 300 and 400 psig without lifting letdown line relief.

COMMENTS:

STEP STANDARD 16 Places PCV-145, LO PRESSURE PCV-145, LO PRESS LTDN controller, AUTO LETDOWN in AUTO. pushbutton lit.

STEP STANDARD

17. Places TCV-144, CC TO LTDN NX, TCV-144,CC TO LTDN HX controller, AUTO in AUTO. pushbutton lit.

iNOTE 18: Operator may delay returning FCV-122 to Auto if PZR level is above program to prevent excessive reduction of charging by PZR LCS.

0 0 JOB PERFORMANCE MEASURE CHECKLIST PAGE 6 (S) DENOTES SEQUENCED ELEMENT

(-) DENOTES CRITICAL ELEMENT PERFORMANCE CHECKLIST: SAT. UNSAT.

STEP STANDARD Places FCV-122 controlled in AUTO by

18. Places FCV-122, charging flow depressing AUTO pushbutton when levels in AUTO when pressurizer level matches reference level.

matched per Section III.E of SOP-102. P'rrAc "D STEP STANDARD Momentarily positions TCV-143 to the

19. Places TCV-143, LTDN to VCT or DEMIN/AUTO position after letdown DEMIN, in DEMIN/AUTO.

temperatures have stabilized.

STEP STANDARD Observes that the Pressurizer Level

20. Ensure that pressurizer level Master Controller is responding master controller is properly.

responding correctly.

STEP STANDARD Momentarily places CNTRL GRP heater

"-21. Align the pressurizer heaters switch to CLOSE with RED flag for existing plant conditions.

indication Clears amber trip light on BU GRP1 heaters.

COMMENTS:

RO ONLY: Protection bistables are tripped by I&C. Examiner hands iNOTE 22:

I operator Attachment 1 of AOP-401.6 and directs him to ensure I I appropriate bistables are tripped. Ask him to identify correct I bistable.

STEP STANDARD Verifies proper bistable tripped per

22. Ensure bistables tripped per Attachment 1.

Attachment 1.

0 0 JOB PERFORMANCE MEASURE CHECKLIST PAGE 7 (S) DENOTES SEQUENCED ELEMENT

(-) DENOTES CRITICAL ELEMENT SAT. UNSAT.

PERFORMANCE CHECKLIST:

jNOTE 23: SRO ONLY: Examiner hands operator Attachment II of SOP-401 and asks him to explain how it is filled out.

STEP STANDARD

23. Directs I&C to trip Explains how Attachment II of SOP-401 is appropriate bistables and used and verifies proper bistable ensure bistables tripped per tripped per Attachment I of SOP-401.

Attachment 1.

Examiner Stops JPM At This Point TIME STOPPED:

GENERAL COMMENT

S:

NRC KA

REFERENCES:

KA NUMBER IMPORTANCE FACTOR RO SRO 3.5 3.6 011000 .AI. 01 Ability to stay predict and/or monitor changes in PZR level and pressure when operating PZR LCS controls. 3.8 3.9 011000 .A2.03 Ability to predict and mitigate the consequences of loss of PZR level.