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
N1 (I ( (
NPSP0200 Ginna Nuclear Power Plant Tue 4/5/2005 4:39:40 pm E66429 PROCEDURE INDE) Page 1 of 2 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-CCW.1 LEAKAGE INTO THE COMPONENT COOUNG LOOP 017 06/30/2004 06126/2002 06/26/2007 EF AP-CCW.2 LOSS OF CCW DURING POWER OPERATION 019 06/30/2004 06/26/2002 06/26/2007 EF AP-CCW.3 LOSS OF CCW - PLANT SHUTDOWN 016 06/30/2004 06/26/2002 06/26/2007 EF AP-CR.1 CONTROL ROOM INACCESSIBILITY 020 06/30/2004 06/26/2002 06/26/2007 EF AP-CVCS.1 CVCS LEAK 014 06/30/2004 06/03/2002 06/03/2007 EF AP-CVCS.3 LOSS OF ALL CHARGING FLOW 004 0812612003 02/27/2004 02/27/2009 EF AP-CW.1 LOSS OF A CIRC WATER PUMP 012 09/17/2004 04/16/2003 04/16/2008 EF AP-ElEC.1 LOSS OF 12A AND/OR 12B BUSSES 028 01/21/2005 06/26/2002 06/26/2007 EF AP-ELEC.2 SAFEGUARD BUSSES LOWVOLTAGE OR SYSTEM LOW FREQUENCY O11 06/10/2004 06/26/2002 06/26/2007 EF AP-ELEC.3 LOSS OF 12A AND/OR 12B TRANSFORMER (BELOW 350 F) 013 01/21/2005 06/26/2002 06/26/2007 EF AP-ELEC.13/15 LOSS OF BUS 13/15 001 06/30/2004 09/24/2003 09/24/2008 EF AP-ELEC.14/16 LOSS OF SAFEGUARDS BUS 14/16 009 01/21/2005 06/26/2002 06/26/2007 EF AP-ELEC.17/18 LOSS OF SAFEGUARDS BUS 17/18 008 01/21/2005 06/26/2002 06/26/2007 EF AP-FW.l ABNORMAL MAIN FEEDWATER FLOW 016 06/30/2004 06/26/2002 06/26/2007 EF AP-IA.1 LOSS OF INSTRUMENTAIR 018 06/26/2002 04/16/2003 04/16/2008 EF AP-PRZR.1 ABNORMAL PRESSURIZER PRESSURE 015 06/30/2004 06/26/2002 06/26/2007 EF AP-RCC.1 CONTINUOUS CONTROL ROD WITHDRAWALANSERTION 009 06/30/2004 04/16/2003 04/16/2008 EF AP-RCC.2 RCCIRPI MALFUNCTION 011 06/30/2004 2//20/51/2 01/22/2007 EF AP-RCC.3 DROPPED ROD RECOVERY 006 02/25/2003 02/25/2003 02/25/2008 EF AP-RCP.1 RCP SEAL MALFUNCTION 017 06/30/2004 04/24/2003 04/24/2008 EF AP-RCS.1 REACTOR COOLANT LEAK 017 06/30/2004 04/16/2003 04/16/2008 EF AP-RCS.2 LOSS OF REACTOR COOLANT FLOW 012 06/30/2004 04/16/2003 04/16/2008 EF AP-RCS.3 HIGH REACTOR COOLANT ACTIVITY 011 06/30/2004 04/01/2002 01/22/2007 EF AP-RCS.4 SHUTDOWN LOCA 017 03/18/2005 04/30/2003 04/30/2008 EF AP-RHR.1 LOSS OF RHR 019 04/30/2003 04/30/2003 04/30/2008 EF AP-RHR.2 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS 015 04/05/2005 04/30/2003 04/30/2008 EF AP-SG.1 STEAM GENERATOR TUBE LEAK 003 11/21/2002 06/26/2002 06/26/2007 EF AP-SW.1 SERVICE WATER LEAK 021 09/17/2004 04/21/2003 04/21/2008 EF AP-SW.2 LOSS OF SERVICE WATER 007 01/21/2005 1//20/50/3 10131/2006 EF AP-TURB.1 TURBINE TRIP WITHOUT RX TRIP REQUIRED 013 06/30/2004 06/26/2002 06/26/2007 EF
NPSP0200 Ginna Nuclear Power Plant Tue 4/5/2005 4:39:40 pm E66429 PROCEDURE INDE) Page 2 of 2 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:
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS 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
- d. Erratic or no flow on FI-626, or
- e. Annunciator J-9, SAFEGUARD BREAKER TRIP, lit.
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS 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 IF the running pump has tripped due ONE RUNNING 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 ACTION/EXPECTED RESPONSE llRESPONSE SEP 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 a. 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: d. Go to Step 20.
o RHR pump flow - OSCILLATING
-OR-o RHR pump NPSH - APPROXIMATELY ZERO (PPCS Group Display NPSH)
- 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:
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS 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 Go to Step 13.
o Core Exit TCs - LESS THAN 2000F o No visual steam at RCS vents 9 Check RCS Loop Level - LESS Go to Step 14.
THAN 30 INCHES
MOP TITLE:
AP-RIR.2 LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15
. INVENTORY CONDITIONS PAGE 7 of 18 ACTION/EXPECTED RESPONSE STP 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 c. Perform the following:
midposition
- 1) Open MOV-720.
- 2) Go to Step 11.
- d. Verify RCS loop level - d. Perform the following:
INCREASING AS EXPECTED
- 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 e. Continue filling RCS. WHEN RCS THAN 30 INCHES loop level greater than 30 inches, THEN do Steps lOf through h.
- f. Manually close MOV-856 f. Direct AO to locally close valve.
- g. Open RHR pump discharge valve to g. IF MOV-720 does NOT open, THEN B loop cold leg, MOV-720 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 ACTION/EXPECTED RESPONSE P lRESPONSE NOT OBTAINED l 11 Refill The RCS By Charging To B Loop Cold Leg:
OPEN
- b. Open and verify open charging b. Open alternate charging line to line valve to loop B cold leg, loop A cold leg, AOV-392B, and AOV-294 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 f. Perform the following:
THAN ZERO
- 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 - g. Perform the following:
INCREASING AS EXPECTED
- 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 level - GREATER h. Continue filling RCS. WHEN loop THAN 30 INCHES 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 a. Ensure at least one valve open.
discharge valves to loop cold legs IF valves can NOT be opened, THEN dispatch AO to check
- A SI Pump - MOV-878B breakers.
- B SI Pump - MOV-878D
- C SI Pump - MOV-878B AND/OR
- MOV-878B, MCC D position 8C MOV-878D
- MOV-878D, MCC D position 8F
- b. Open SI pump suction valves from b. Ensure at least one valve open.
RWST IF valves can NOT be opened,
- MOV-825A THEN dispatch AO to check
- MOV-825B breakers.
- MOV-825A, MCC C position 9J
- MOV-825B, MCC D position 9J
- d. Verify the following: d. Perform the following:
o SI flow - GREATER THAN ZERO 1) Stop operating SI pump.
o RCS loop level - INCREASING 2) Close loop cold leg inlet AS EXPECTED valves.
- MOV-878B
- MOV-878D
- 3) Go to step 13.
- e. Check RCS loop level - GREATER e. Continue filling RCS. WHEN loop THAN 30 INCHES level greater than 30 inches, THEN do steps 12f through h.
- f. Stop running SI pump
- g. Close SI discharge valves to loop cold legs, MOV-878B and MOV-878D
- h. Go to Step 14 7
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 a. Ensure at least one valve open.
discharge valves to loop hot legs IF valves can NOT be opened,
- B SI Pump - MOV-878C breakers.
- C SI Pump - MOV-878A AND/OR MOV-878C
- MOV-878A, MCC C position 8C
- MOV-878C, MCC C position 8F
- b. Open SI pump suction valves from b. Ensure at least one valve open.
RWST IF valves can NOT be opened.
- MOV-825A THEN dispatch AO to check
- MOV-825B breakers.
- MOV-825A, MCC C position 9J
- MOV-825B, MCC D position 9J
- d. Verify the following: d. Perform the following:
o SI flow - GREATER THAN ZERO 1) Stop operating SI pump.
o RCS loop level - INCREASING 2) Close loop hot leg inlet AS EXPECTED 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. Operate SI Pump as necessary to e. IF core exit TC's continue to maintain the following increase, THEN return to Step 11 parameters: to establish additional charging or SI flow to the RCS cold legs.
o Core Exit TC's - LESS THAN 2000F o No visual steam at RCS vents o RCS loop level - GREATER THAN 30 INCHES
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS 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 a. Go to step 16.
THAN 200 0 F
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS PAGE 13 of 18 ACTION/EXPECTED RESPONSE llRESPONSE SP 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 Reset and start adequate air Flow Control: compressors (75 kw each).
o Verify adequate air compressors IF electric air compressor not
- RUNNING available, THEN start diesel air compressor (Refer to ATT-11.2, o Verify IA pressure - GREATER ATTACHMENT DIESEL AIR COMPRESSOR)
THAN 60 PSIG IF IA pressure can NOT be restored, o IA available to HCV-624 AND THEN perform the following:
HCV-625
- 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.
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS PAGE 14 of 18 ACTION/EXPECTED RESPONSE STEP lRESPONSE NOT OBTAINED 17 Establish Conditions To Start RHR Pump:
- a. Check RHR cooling valve a. Manually or locally align valves alignment - NORMAL (Refer to as necessary.
ATT-14.0, ATTACHMENT NORMAL RHR COOLING)
in service
- 1) CCW pumps - ENSURE AT LEAST ONE RUNNING
- CCW Hx A, V-4619
- CCW Hx B. V-4620
- 2) CCW to RHR Hxs, MOV-738A AND MOV-738B - ADJUSTED TO OBTAIN 2) Adjust MOV-738A and MOV-738B DESIRED COOLING to obtain desired cooling.
- 3) Check CCW flow < 4900 gpm 3) IF > 4900 gpm CCW flow (FI-619) required for desired RHR cooling, THEN notify the Shift Supervisor.
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 c. Perform the following:
conditions:
- 1) Start trending core exit TCs.
o Core exit TC's - LESS THAN 2000F 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.
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS PAGE 15 of 18 CAUTION STARTING AN RHR PUMP MAY RESULT IN AN RCS LEVEL DECREASE DUE TO SHRINK OR VOID COLLAPSE.
18 Restore RHR Flow:
- a. Close RHR pump flow control a. IF IA NOT available, THEN ensure valves AO has locally closed RHR Hx outlet valves and go to step 18c.
- 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 d. IF IA NOT available, THEN 1500 GPM 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 e. Establish adequate makeup flow THAN 30 INCHES 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:
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS PAGE 16 of 18 ACTION/EXPECTED RESPONSE llRESPONSE STP NOT OBTAINED NOTE: Consult with Plant Staff to determine alternatives for long term cooling.
19 Establish Stable Plant Conditions:
THAN 200°F Return to Step 18d.
- b. Check RCS loop level: b. IF RCS loop level increasing, THEN reduce makeup rate to o Level - GREATER THAN 30 INCHES stabilize level. IF RCS loop level decreasing, THEN return to o Level - STABLE Step 10.
- c. Stop any running SI pump
- d. Stop any running charging pump
- e. Maintain RCS level stable using e. Initiate makeup to the RCS using RWST gravity feed either of the following:
o One charging pump at maximum flow
-OR-o One SI pump
REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS PAGE 17 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 20 Check CCW System Operation: To restore CCW cooling to RHR Hxs, perform the following:
o CCW pumps - AT LEAST ONE RUNNING
DECREASING
- b. Increase SW from CCW Hx o Annunciator A-21, COMP COOLING HX OUT HI TEMP - EXTINGUISHED
- CCW Hx A, V-4619
- CCW Hx B. V-4620 o Annunciator A-22, CCW PUMP DISCHARGE LO PRESS - EXTINGUISHED c. Adjust MOV-738A and MOV-738B to maintain RCS temperature stable o Annunciator A-30, CCW PUMP INLET or decreasing.
HEADER HI TEMP - EXTINGUISHED IF > 4900 gpm CCW flow required for o Check CCW flow < 4900 gpm desired RER cooling (FI-619), THEN (FI-619) 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: Continue cooling with RHR. Return to Step 18d.
o Temperature - LESS THAN 1400F o Temperature - STABLE OR DECREASING
TITLE:
LOSS OF RHR WHILE OPERATING AT RCS REDUCED REV: 15 INVENTORY CONDITIONS PAGE 18 of 18 ACTION/EXPECTED RESPONSE STEP 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 REV: 15 LOSS OF RHR WHILE OPERATING AT RCS REDUCED INVENTORY CONDITIONS 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)