ML051110064
| ML051110064 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 04/07/2005 |
| From: | Marlow T Constellation Energy Group |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML051110064 (22) | |
Text
1503 Lake Road Ontario, New York 14519-9364 585.771.3000 Constellation Energy R.E. Ginna Nuclear Power Plant, LLC April 7, 2005 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C.
20555
Subject:
Emergency Operating Procedures R.E. Ginna Nuclear Power Plant Docket No. 50-244 As requested, enclosed are Ginna Station Emergency Operating Procedures.
Very truly yours, 4t<v A, %jon, Thomas A. Marlow TAM/jdw xc:
U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 Ginna USNRC Senior Resident Inspector Enclosure(s):
AP Index AP-RHR.2, Rev 15
(I
(
Ginna Nuclear Power Plant PROCEDURE INDE)
(
Tue 4/5/2005 4:39:40 pm Page 1 of 2 N1 NPSP0200 E66429 INPUT PARAMETERS: TYPE:
PRAP STATUS VALUE(S):
EF, QU 5 YEARS ONLY:
PRAP ABNORMAL PROCEDURE PROCEDURE NUMBER AP-CCW.1 AP-CCW.2 AP-CCW.3 AP-CR.1 AP-CVCS.1 AP-CVCS.3 AP-CW.1 AP-ElEC.1 AP-ELEC.2 AP-ELEC.3 AP-ELEC.13/15 AP-ELEC.14/16 AP-ELEC.17/18 AP-FW.l AP-IA.1 AP-PRZR.1 AP-RCC.1 AP-RCC.2 AP-RCC.3 AP-RCP.1 AP-RCS.1 AP-RCS.2 AP-RCS.3 AP-RCS.4 AP-RHR.1 AP-RHR.2 AP-SG.1 AP-SW.1 AP-SW.2 AP-TURB.1 PROCEDURE TITLE LEAKAGE INTO THE COMPONENT COOUNG LOOP LOSS OF CCW DURING POWER OPERATION LOSS OF CCW - PLANT SHUTDOWN CONTROL ROOM INACCESSIBILITY CVCS LEAK LOSS OF ALL CHARGING FLOW LOSS OF A CIRC WATER PUMP LOSS OF 12A AND/OR 12B BUSSES SAFEGUARD BUSSES LOWVOLTAGE OR SYSTEM LOW FREQUENCY LOSS OF 12A AND/OR 12B TRANSFORMER (BELOW 350 F)
LOSS OF BUS 13/15 LOSS OF SAFEGUARDS BUS 14/16 LOSS OF SAFEGUARDS BUS 17/18 ABNORMAL MAIN FEEDWATER FLOW LOSS OF INSTRUMENTAIR ABNORMAL PRESSURIZER PRESSURE CONTINUOUS CONTROL ROD WITHDRAWALANSERTION RCCIRPI MALFUNCTION DROPPED ROD RECOVERY RCP SEAL MALFUNCTION REACTOR COOLANT LEAK LOSS OF REACTOR COOLANT FLOW HIGH REACTOR COOLANT ACTIVITY SHUTDOWN LOCA LOSS OF RHR LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS STEAM GENERATOR TUBE LEAK SERVICE WATER LEAK LOSS OF SERVICE WATER TURBINE TRIP WITHOUT RX TRIP REQUIRED EFFECT LAST REV DATE REVIEW 017 06/30/2004 06126/2002 019 06/30/2004 06/26/2002 016 06/30/2004 06/26/2002 020 06/30/2004 06/26/2002 014 06/30/2004 06/03/2002 004 0812612003 02/27/2004 012 09/17/2004 04/16/2003 028 01/21/2005 06/26/2002 O11 06/10/2004 06/26/2002 013 01/21/2005 06/26/2002 001 06/30/2004 09/24/2003 009 01/21/2005 06/26/2002 008 01/21/2005 06/26/2002 016 06/30/2004 06/26/2002 018 06/26/2002 04/16/2003 015 06/30/2004 06/26/2002 009 06/30/2004 04/16/2003 011 06/30/2004 2//20/51/2 006 02/25/2003 02/25/2003 017 06/30/2004 04/24/2003 017 06/30/2004 04/16/2003 012 06/30/2004 04/16/2003 011 06/30/2004 04/01/2002 017 03/18/2005 04/30/2003 019 04/30/2003 04/30/2003 015 04/05/2005 04/30/2003 003 11/21/2002 06/26/2002 021 09/17/2004 04/21/2003 007 01/21/2005 1//20/50/3 013 06/30/2004 06/26/2002 NEXT REVIEW 06/26/2007 06/26/2007 06/26/2007 06/26/2007 06/03/2007 02/27/2009 04/16/2008 06/26/2007 06/26/2007 06/26/2007 09/24/2008 06/26/2007 06/26/2007 06/26/2007 04/16/2008 06/26/2007 04/16/2008 01/22/2007 02/25/2008 04/24/2008 04/16/2008 04/16/2008 01/22/2007 04/30/2008 04/30/2008 04/30/2008 06/26/2007 04/21/2008 10131/2006 06/26/2007 ST EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF
Ginna Nuclear Power Plant PROCEDURE INDE)
Tue 4/5/2005 4:39:40 pm Page 2 of 2 NPSP0200 E66429 INPUT PARAMETERS: TYPE:
PRAP STATUS VALUE(S):
EF, QU 5 YEARS ONLY:
PRAP ABNORMAL PROCEDURE PROCEDURE EFFECT LAST NEXT NUMBER PROCEDURE TITLE REV DATE REVIEW REVIEW ST AP-TURB.2 TURBINE LOAD REJECTION 020 01/21/2005 06/26/2002 06/26/2007 EF AP-TURB.3 TURBINE VIBRATION 012 06/30/2004 06/26/2002 06/26/2007 EF AP-TURB.4 LOSS OF CONDENSER VACUUM 017 04/30/2003 04/30/2003 04/30/2008 EF AP-TURB.5 RAPID LOAD REDUCTION 007 06/30/2004 06/26/2002 06/26/2007 EF PRAP TOTAL:
34 GRAND TOTAL:
34
.I I LL:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 1 of 18 GINNA STATION CONTROLLED COPY NUMBER
__3 RESPONSIBL MANAGER EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 2 of 18 A.
PURPOSE -
This procedure provides guidance necessary for maintaining core cooling and protecting the reactor core in the event that RHR cooling is lost during RCS reduced inventory operation, (i.e., at indicated Loop Levels of less than 64 inches with fuel in the vessel).
B.
ENTRY CONDITIONS/SYMPTOMS
- 1.
ENTRY CONDITIONS -
This procedure is entered from:
- a.
N/A
- 2.
SYMPTOMS -
The following symptoms are indicative of LOSS OF RHR AT RCS REDUCED INVENTORY CONDITIONS:
- a.
No RHR pumps running, or
- b.
Annunciator A-20, RESIDUAL HEAT REMOVAL LOOP LO FLOW 2900 GPM (Set at 400 GPM per 0-2.2 in RHR Cooling mode) lit, or
- c.
Unexpected increase in RCS temperature while on RHR cooling at low loop levels, or
- d.
Erratic or no flow on FI-626, or
- e.
Annunciator J-9, SAFEGUARD BREAKER TRIP, lit.
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 3 of 18 STP ACTION/EXPECTED RESPONSE l
RESPONSE NOT OBTAINED CAUTION o CHANGES IN RCS PRESSURE COULD RESULT IN INACCURACIES IN RCS LOOP LEVEL INDICATIONS.
o SHOULD CORE BOILING OCCUR, "SURGE LINE FLOODING" MAY RESULT IN RCS PRESSURIZATION AND ERRONEOUS HIGH LOOP LEVEL INDICATION.
o IA TO CNMT MAY BE REQUIRED FOR RCS MAKEUP AND SHOULD NOT BE ISOLATED UNTIL DIRECTED BY THIS PROCEDURE.
NOTE:
Conditions should be evaluated for site contingency reporting (Refer to EPIP-1.O, GINNA STATION EVENT EVALUATION AND CLASSIFICATION).
1 Check If RCS Draindown Should Be Stopped:
- a. Check RCS draindown - IN PROGRESS
- a. Go to step 2.
- b. Stop draining RCS (Refer to 0-2.3.1. DRAINING AND OPERATION AT REDUCED INVENTORY OF THE REACTOR COOLANT SYSTEM) 2 Check RHR Pumps -
AT LEAST ONE RUNNING IF the running pump has tripped due to loss of NPSH, THEN go to step 3.
IF NOT, THEN go to step 17.
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 4 of 18 SEP ACTION/EXPECTED RESPONSE llRESPONSE NOT OBTAINED 3 Initiate CNMT Closure (Refer to 0-2.3.1A, CONTAINMENT CLOSURE CAPABILITY IN TWO HOURS DURING RCS REDUCED INVENTORY OPERATION) 4 Check If RHR Pumps Should Be Stopped:
- a. RHR pump - ANY RUNNING
- b. Check RCS level:
- a. Go to Step 5.
- b. Stop RHR pumps and go to Step 5.
o Level - GREATER THAN 6 INCHES o Level - STABLE
- c. RHR flow - LESS THAN 500 GPM
- c. Perform the following:
- 2) Reduce RHR flow to less than 500 gpm.
- d. RHR pumps cavitating:
o RHR pump flow - OSCILLATING
-OR-o RHR pump NPSH - APPROXIMATELY ZERO (PPCS Group Display NPSH)
- d. Go to Step 20.
- e. Stop RHR pumps
fEOP:
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 AP-RHR.2 INVENTORY CONDITIONS PAGE 5 of 18 STP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Isolate Letdown And Known Drain Paths
- a. Verify the following valves -
- a. Manually close valves.
CLOSED
- Letdown isolation, AOV-427
- Low pressure letdown pressure control valve, PCV-135
- RHR letdown flow control valve, HCV-133
- Excess letdown isolation valve, AOV-310
- b. Evaluate normal drain lineups
- c. Evaluate maintenance activities affecting RCS or RHR system 6 Start Available CNMT RECIRC Fans NOTE:
Personnel remaining in CNMT to assist in event mitigation should consult Radiation Protection for changes in radiological concerns.
7 Initiate Actions To Protect Personnel In CNMT:
- a. Evacuate non-essential personnel from CNMT
- b. Periodically monitor CNMT radiation
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 6 of 18 STP ACTION/EXPECTED RESPONSE l lRESPONSE NOT OBTAINEDl-CAUTION o PERSONNEL WORKING IN CNMT SHOULD BE WARNED BEFORE REFILLING THE RCS TO AVOID INADVERTENT CONTAMINATION OF PERSONNEL WORKING NEAR RCS OPENINGS.
o THE S!G OFFICE SHOULD BE NOTIFIED BEFORE RAISING LOOP LEVEL.
o ONLY BORATED WATER SHOULD BE ADDED TO THE RCS TO MAINTAIN ADEQUATE SDM.
- 8 Check RCS Temp o Core Exit TCs - LESS THAN 2000F o No visual steam at RCS vents 9 Check RCS Loop Level -
LESS THAN 30 INCHES Go to Step 13.
Go to Step 14.
MOP TITLE:
AP-RIR.2 LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 7 of 18 STP ACTION/EXPECTED RESPONSE lRESPONSE NOT OBTAINED I NOTE:
o The next four steps are sequenced to indicate the preferred order of RCS refill methods if core boiling is not occurring.
o Gravity feed through MOV-856 is expected at approximately 12 turns open.
10 Refill The RCS By Gravity Feed From The RWST
- b. Close RHR pump discharge valve to loop B cold leg, MOV-720
- c. Verify MOV-856 indicates midposition
- c. Perform the following:
- 1) Open MOV-720.
- 2) Go to Step 11.
- d. Verify RCS loop level -
INCREASING AS EXPECTED
- d. Perform the following:
- 1) Close MOV-856.
- 2) Open MOV-720.
- 3) IF RCS loop level greater than 6 inches, THEN go to Step 11.
IF NOT, THEN go to Step 13.
- e. Check RCS loop level - GREATER THAN 30 INCHES
- f. Manually close MOV-856
- g. Open RHR pump discharge valve to B loop cold leg, MOV-720
- e. Continue filling RCS.
WHEN RCS loop level greater than 30 inches, THEN do Steps lOf through h.
- f. Direct AO to locally close valve.
- g. IF MOV-720 does NOT open, THEN open core deluge valves MOV-852A and MOV-852B.
- h. Go to Step 14
EOP:
TITE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 AP-RHR.2 INVENTORY CONDITIONS PAGE 8 of 18 P
ACTION/EXPECTED RESPONSE lRESPONSE NOT OBTAINED l 11 Refill The RCS By Charging To B Loop Cold Leg:
OPEN
- b. Open and verify open charging line valve to loop B cold leg, AOV-294
- a. Manually open valve.
- b. Open alternate charging line to loop A cold leg, AOV-392B, and go to Step 1le.
- c. Align charging pump suction to RWST:
o LCV-112B - OPEN o LCV-112C - CLOSED
- d. Ensure HCV-142 demand at 0%
- e. Start operable charging pump and increase flow to maximum
- f. Verify charging flow - GREATER THAN ZERO
- f. Perform the following:
- 1) Stop operating charging pump.
- 2) Close AOV-294.
- 3) Go to Step 12.
This Step continued on the next page.
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 9 of 18 ACTION/EXPECTED RESPONSEREPNE OT BAIE (Step 11 continued from previous page)
- g. Verify RCS loop level -
INCREASING AS EXPECTED
- g. Perform the following:
- 1) Open or verify open alternate charging line to loop A cold leg, AOV-392B.
- 2) Close AOV-294.
- 3) Verify loop level increasing as expected.
IF NOT, THEN perform the following:
a) Stop operating charging pump.
b) Close AOV-392B.
c) Close IA to CNMT. AOV-5392.
d) Go to Step 12.
- h. Check RCS loop THAN 30 INCHES level -
GREATER
- h. Continue filling RCS.
WHEN loop level greater than 30 inches, THEN do Steps 11i through k.
- i. Stop running charging pump
- j. Close or verify closed charging line valve to loop B cold leg, AOV-294 and AOV-392B
- k. Go to Step 14
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 10 of 18 STEP ACTION/EXPECTED RESPONSE lRESPONSE NOT OBTAINED 12 Refill RCS Using SI Pumps To Cold Legs:
- a. Open the appropriate SI pump discharge valves to loop cold legs
- a. Ensure at least one valve open.
IF valves can NOT be opened, THEN dispatch AO to check breakers.
- MOV-878B, MCC D position 8C
- MOV-878D, MCC D position 8F
- A SI Pump
- B SI Pump
- C SI Pump
- MOV-878B
- MOV-878D
- MOV-878B AND/OR MOV-878D
- b. Ensure at least one valve open.
- MOV-825A
- MOV-825B IF valves can NOT be opened, THEN dispatch AO to check breakers.
- MOV-825A, MCC C position 9J
- MOV-825B, MCC D position 9J
- d. Verify the following:
o SI flow - GREATER THAN ZERO o RCS loop level -
INCREASING AS EXPECTED
- d. Perform the following:
- 1) Stop operating SI pump.
- 2) Close loop cold leg inlet valves.
- MOV-878B
- MOV-878D
- 3) Go to step 13.
- e. Check RCS loop level - GREATER THAN 30 INCHES
- e. Continue filling RCS.
WHEN loop level greater than 30 inches, THEN do steps 12f through h.
7
- f. Stop running SI pump
- g. Close SI discharge valves to loop cold legs, MOV-878B and MOV-878D
- h. Go to Step 14
TIRE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 11 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE:
SI Pump makeup should not be secured when core boiling is indicated.
13 Refill RCS Using SI Pumps To Hot Legs:
- a. Open the appropriate SI pump discharge valves to loop hot legs
- A SI Pump
- B SI Pump
- C SI Pump
- MOV-878A
- MOV-878C
- MOV-878A AND/OR MOV-878C
- a. Ensure at least one valve open.
IF valves can NOT be opened, THEN dispatch AO to check breakers.
- MOV-878A, MCC C position 8C
- MOV-878C, MCC C position 8F
- b. Ensure at least one valve open.
IF valves can NOT be opened.
THEN dispatch AO to check breakers.
- MOV-825A
- MOV-825B
- MOV-825A, MCC C position 9J
- MOV-825B, MCC D position 9J
- d. Verify the following:
o SI flow - GREATER THAN ZERO o RCS loop level - INCREASING AS EXPECTED
- d. Perform the following:
- 1) Stop operating SI pump.
- 2) Close loop hot leg inlet valves.
- MOV-878A
- MOV-878C
- 3) Ensure makeup flow is initiated
- Gravity feed from RWST
- Charging pumps
- SI pumps to cold legs
- VCT overpressure
- RWST purification pump
- e. IF core exit TC's continue to increase, THEN return to Step 11 to establish additional charging or SI flow to the RCS cold legs.
- e. Operate SI Pump as necessary to maintain the following parameters:
o Core Exit TC's - LESS THAN 2000F o No visual steam at RCS vents o RCS loop level - GREATER THAN 30 INCHES
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 12 of 18 STP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 14 Identify And Isolate Any RCS Leakage NOTE:
If adequate time to completely vent the RHR system is not available, then air can be swept out of the RHR lines by running an RHR pump at a flowrate between 1200 gpin and 1400 gpm.
15 Vent RHR System As Necessary
- a. Check RCS temperature - LESS THAN 2000 F
- a. Go to step 16.
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV:
PAGE 15 13 of 18 SP ACTION/EXPECTED RESPONSE llRESPONSE NOT OBTAINED I CAUTION THE RHR HX OUTLET VALVES (HCV-624 AND HCV-625) WILL FAIL OPEN ON LOSS OF INSTRUMENT AIR PRESSURE.
16 Check IA Available For RHR Flow Control:
o Verify adequate air compressors
- RUNNING o Verify IA pressure - GREATER THAN 60 PSIG o IA available to HCV-624 AND HCV-625 Reset and start adequate air compressors (75 kw each).
IF electric air compressor not available, THEN start diesel air compressor (Refer to ATT-11.2, ATTACHMENT DIESEL AIR COMPRESSOR)
IF IA pressure can NOT be restored, THEN perform the following:
- A RHR Hx, HCV-625 handwheel
- B RHR Hx, HCV-624 handwheel
- b. WHEN conditions permit, THEN refer to AP-IA.1, LOSS OF INSTRUMENT AIR, to restore IA.
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 14 of 18 STEP ACTION/EXPECTED RESPONSE lRESPONSE NOT OBTAINED 17 Establish Conditions To Start RHR Pump:
- 1) CCW pumps - ENSURE AT LEAST ONE RUNNING
- 3) Check CCW flow < 4900 gpm (FI-619)
- a. Manually or locally align valves as necessary.
- b. Perform the following:
- CCW Hx A, V-4619
- CCW Hx B. V-4620
- 2) Adjust MOV-738A and MOV-738B to obtain desired cooling.
IF CCW can NOT be restored, THEN continue with step 18 while attempting to restore CCW (Refer to AP-CCW.3, LOSS OF CCW - PLANT SHUTDOWN).
- c. Verify the following RCS conditions:
o Core exit TC's - LESS THAN 2000F
- c. Perform the following:
- 1) Start trending core exit TCs.
- 2) Return to Step 7.
o No visual steam at RCS vents o RCS loop level - GREATER THAN 30 INCHES
- d. RHR pump - AVAILABLE
- d. Perform the following:
- 1) Start trending core exit TCs.
- 3) Return to Step 7.
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 15 of 18 CAUTION STARTING AN RHR PUMP MAY RESULT IN VOID COLLAPSE.
AN RCS LEVEL DECREASE DUE TO SHRINK OR 18 Restore RHR Flow:
- a. Close RHR pump flow control valves
- HCV-624
- HCV-625
- b. Place RHR Hx bypass valve, HCV-626, to MANUAL and close valve
- c. Start one RHR pump
- d. Ensure RHR flow - LESS THAN 1500 GPM
- d. IF IA NOT available, THEN dispatch AO with locked valve key to locally adjust flow using RHR Hx outlet valves.
- A RHR Hx, HCV-625 handwheel
- B RHR Hx, HCV-624 handwheel
- e. Check RCS loop level - GREATER THAN 30 INCHES
- e. Establish adequate makeup flow to stabilize RCS loop level at greater than 30 inches.
- f. Gradually increase RHR bypass flow to desired flowrate
- g. RHR flow - RESTORED
- g. Perform the following:
- 1) Start trending core exit T/Cs.
- 3) Return to Step 7.
- h. Establish desired RCS cooldown rate
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 16 of 18 STP ACTION/EXPECTED RESPONSE llRESPONSE NOT OBTAINED NOTE:
Consult with Plant Staff to determine alternatives for long term cooling.
19 Establish Stable Plant Conditions:
- a. Verify Core Exit TC's - LESS THAN 200°F
- b. Check RCS loop level:
o Level - GREATER THAN 30 INCHES o Level - STABLE
- a. Continue cooling with RHR.
Return to Step 18d.
- b. IF RCS loop level increasing, THEN reduce makeup rate to stabilize level.
IF RCS loop level decreasing, THEN return to Step 10.
- c. Stop any running SI pump
- d. Stop any running charging pump
- e. Initiate makeup to the RCS using either of the following:
o One charging pump at maximum flow
-OR-o One SI pump
LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 17 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 20 Check CCW System Operation:
o CCW pumps - AT LEAST ONE RUNNING o RCS temperature - STABLE OR DECREASING o Annunciator A-21, COMP COOLING HX OUT HI TEMP - EXTINGUISHED o Annunciator A-22, CCW PUMP DISCHARGE LO PRESS - EXTINGUISHED o Annunciator A-30, CCW PUMP INLET HEADER HI TEMP - EXTINGUISHED o Check CCW flow < 4900 gpm (FI-619)
To restore CCW cooling to RHR Hxs, perform the following:
- a. Ensure the standby CCW pump is running.
- CCW Hx A, V-4619
- CCW Hx B. V-4620
- c. Adjust MOV-738A and MOV-738B to maintain RCS temperature stable or decreasing.
IF > 4900 gpm CCW flow required for desired RER cooling (FI-619), THEN notify the Shift Supervisor.
IF CCW can NOT be restored, THEN continue attempts to restore CCW (Refer to AP-CCW.3, LOSS OF CCW -
PLANT SHUTDOWN).
21 Check Core Exit TCs:
o Temperature - LESS THAN 1400F Continue cooling with RHR.
Return to Step 18d.
o Temperature -
STABLE OR DECREASING
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 18 of 18 STEP ACTION/EXPECTED RESPONSE lRESPONSE NOT OBTAINED 22 Initiate Monitoring of RCS Temperature 23 Evaluate MCB Annunciator Status (Refer to AR Procedures)
NOTE:
Refer to 0-9.3, NRC IMMEDIATE NOTIFICATION, for reporting requirements.
24 Notify Higher Supervision 25 Return To Procedure Or Guidance In Effect
-END-
-~
Il LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS REV: 15 PAGE 1 of 1 AP-RHR.2 APPENDIX LIST TITLE
- 1) ATTACHMENT NORMAL RHR COOLING (ATT-14.0)
- 2) ATTACHMENT DIESEL AIR COMPRESSOR (ATT-11.2)