ML022410313
| ML022410313 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 08/13/2002 |
| From: | Widay J Rochester Gas & Electric Corp |
| To: | Clark R Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML022410313 (158) | |
Text
R ff/iDE A Subsidiary of RGS Energy Group, Inc.
ROCHESTER GAS AND ELECTRIC CORPORATION " 89 EASTAVENUE, ROCHESTER, N Y 14649.0001 ° 716-771-3250 JOSEPH A WIDAY VICE PRESIDENT & PLANT MANAGER GINNA STATION August 13, 2002 U.S. Nuclear Regulatory Commission Document Control Desk Attn: Robert Clark Project Directorate I Washington, D.C. 20555
Subject:
Emergency Operating Procedures R.E. Ginna Nuclear Power Plant Docket No. 50-244
Dear Mr. Clark:
As requested, enclosed are Ginna Station Emergency Operating Procedures.
Very truly yours, JAW/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):
E Index ECA Index ES Index FR Index E-0, Rev 32 E-1, Rev 26 E-3, Rev 32 ES-1.1, Rev 23 ES-1.3, Rev 34 ECA-0.2, Rev 14 ECA-2. 1, Rev 24 ECA-3. 1, Rev 24 FR-H.1, Rev 27 FR-Z. 1, Rev 6 wwwrge corn C)l
REPORT NO.
01 REPORT-NPSP0200 DOC TYPE PRE PARAMETERS: DOC TYPES -
PRE PROCEDURE NUMBER PROCEDI E-0 REACTOI E-1 LOSS 01 E-2 FAULTE!
E-3 STEAM C
GINNA NUCLEAR POWER PLANT PROCEDURES INDEX EMERGENCY PROCEDURE PRECA PRES PRFR STATUS: EF QU 5 YEARS ONLY-URE TITLE R TRIP OR SAFETY INJECTION F REACTOR OR SECONDARY COOLANT D STEAM GENERATOR ISOLATION GENERATOR TUBE RUPTURE EFFECT REV DATE 032 08/13/02 026 08/13/02 010 07/25/02 032 08/13/02 C
08/13/02 PAGE.
1 LAST NEXT REVIEW REVIEW ST 05/01/98 05/01/03 EF 05/01/98 05/01/03 EF 05/01/98 05/01/03 EF 05/01/98 05/01/03 EF TOTAL FOR PRE tA
(
REPORT NO.
01 REPORT-NPSP0200 DOC TYPE: PRECA PARAMETERS-DOC TYPES PROCEDURE NUMBER ECA-0.0 ECA-0.1 ECA-0.2 ECA-1.1 ECA-1.2 ECA-2.1 ECA-3,1 ECA-3.2 ECA-3.3 S -
PRE GINNA NUCLEAR POWER PLANT PROCEDURES INDEX EMERGENCY CONTINGENCY ACTIONS PROC PRECA PRES PRFR STATUS.
EF QU 5 YEARS ONLY-PROCEDURE TITLE LOSS OF ALL AC POWER LOSS OF ALL AC POWER RECOVERY WITHOUT SI REQUIRED LOSS OF ALL AC POWER RECOVERY WITH SI REQUIRED LOSS OF EMERGENCY COOLANT RECIRCULATION LOCA OUTSIDE CONTAINMENT UNCONTROLLED DEPRESSURIZATION OF BOTH STEAM GENERATORS SGTR WITH LOSS OF REACTOR COOLANT SUBCOOLED RECOVERY DESIRED SGTR WITH LOSS OF REACTOR COOLANT SATURATED RECOVERY DESIRED SGTR WITHOUT PRESSURIZER PRESSURE CONTROL REV 024 020 014 021 005 024 024 026 027 EFFECT DATE 06/14/02 07/25/02 08/13/02 07/25/02 05/01/98 08/13/02 08/13/02 07/25/02 07/25/02
(
08/13/02 PAGE 2
LAST REVIEW 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 NEXT REVIEW 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 ST EF EF EF EF EF EF EF EF EF TOTAL FOR PRECA
REPORT NO.
01 REPORT-NPSP0200 DOC TYPE-PRES PARAMETERS-DOC TYPE*
PROCEDURE NUMBER ES-0.0 ES-0.1 ES-0.2 ES-0.3 ES-i.1 ES-i.2 ES-1.3 ES-3.1 ES-3.2 ES-3.3 S -
PRE GINNA NUCLEAR POWER PL PROCEDURES INDEX EQUIPMENT SUB-PROCEDURE PRECA PRES PRFR C
%NT S5 PROCEDURE TITLE REDIAGNOSIS REACTOR TRIP RESPONSE NATURAL CIRCULATION COOLDOWN NATURAL CIRCULATION COOLDOWN WITH STEAM VOID IN VESSEL SI TERMINATION POST LOCA COOLDOWN AND DEPRESSURIZATION TRANSFER TO COLD LEG RECIRCULATION POST-SGTR COOLDOWN USING BACKFILL POST-SGTR COOLDOWN USING BLOWDOWN POST-SGTR COOLDOWN USING STEAM DUMP 08/13/02 PAGE-3 TATUS-EF QU 5 YEARS ONLY, EFFECT REV DATE 010 05/01/98 020 07/25/02 012 05/01/98 008 05/01/98 023 08/13/02 024 07/25/02 034 08/13/02 014 07/25/02 01s 07/25/02 015 07/25/02 TOTAL FOR PRES 10 LAST REVIEW 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 NEXT REVIEW 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 ST EF EF EF EF EF EF EF EF EF EF
REPORT NO.
01 REPORT: NPSP0200 DOC TYPE.
PRFR PARAMETERS DOC PROCEDURE NUMBER FR-C. 1 FR-C.2 FR-C. 3 FR-H. 1 FR-H. 2 FR-H 3 FR-H.4 FR-H.5 FR-I. 1 FR-I.2 FR-I.3 FR-P. 1 FR-P.2 FR-S.1 FR-S.2 FR-Z. 1 FR-Z.2 FR-Z. 3 TYPES -
PRE
(
GINNA NUCLEAR POWER PLANT PROCEDURES INDEX FUNCTIONAL RESTORATION GUIDELINE PROC PRECA PRES PRFR
- STATUS, EF QU 5
PROCEDURE TITLE RESPONSE TO INADEQUATE CORE COOLING RESPONSE TO DEGRADED CORE COOLING RESPONSE TO SATURATED CORE COOLING RESPONSE TO LOSS OF SECONDARY HEAT SINK RESPONSE TO STEAM GENERATOR OVERPRESSURE RESPONSE TO STEAM GENERATOR HIGH LEVEL RESPONSE TO LOSS OF NORMAL STEAM RELEASE CAPABILITIES RESPONSE TO STEAM GENERATOR LOW LEVEL RESPONSE TO HIGH PRESSURIZER LEVEL RESPONSE TO LOW PRESSURIZER LEVEL RESPONSE TO VOIDS IN REACTOR VESSEL RESPONSE TO IMMINENT PRESSURIZED THERMAL SHOCK CONDITION RESPONSE TO ANTICIPATED PRESSURIZED THERMAL SHOCK CONDITION YEARS ONLY:
EFFECT REV DATE 019 07/25/02 016 07/25/02 008 05/01/98 027 08/13/02 004 05/01/98 005 004 008 014 009 016 024 007 014 008 006 004 004 RESPONSE TO REACTOR RESTART/ATWS RESPONSE TO LOSS OF CORE SHUTDOWN RESPONSE TO HIGH CONTAINMENT PRESSURE RESPONSE TO CONTAINMENT FLOODING RESPONSE TO HIGH CONTAINMENT RADIATION LEVEL 05/01/98 05/01/98 05/02/02 10/31/01 10/31/01 10/31/01 05/02/02 05/01/98 07/25/02 05/01/98 08/13/02 01/14/99 05/01/98 TOTAL FOR PRFR 18
(
08/13/02 PAGE 4
LAST REVIEW 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 05/01/98 os/01/98 05/01/98 05/01/98 05/01/98 o5/01/98 05/01/98 05/01/98 05/01/98 NEXT REVIEW 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 05/01/03 ST EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF EF
LOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 1 of 28 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER Q,3 RESPONSIBý MANAGER EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:
EOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 2 of 28 A.
PURPOSE - This procedure provides actions to verify proper response of the automatic protection systems following manual or automatic actuation of a reactor trip or safety injection and to assess plant conditions, and identify the appropriate recovery procedure.
B- -ENTRY CONDITIONS/SYMPTOMS
- 1. The following are symptoms that require a reactor trip, if one has not occurred:
"o Any plant parameter reaches a reactor trip setpoint and logic as listed in procedure P-l, REACTOR CONTROL AND PROTECTION SYSTEM.
"o Operator discretion.
- 2.
The following are symptoms of a reactor trip:
"o Any First Out reactor trip annunciator lit.
"o A rapid decrease in core neutron level as indicated by nuclear instrumentation.
"o MRPI indicates all control and shutdown rods on bottom.
"o Reactor trip breakers indicate open.
- 3.
The following are symptoms that require a reactor trip and safety injection, if one has not occurred:
"o Any plant parameter reaches the Safety Injection setpoint and logic listed in procedure P-l, REACTOR CONTROL AND PROTECTION SYSTEM.
"o Operator discretion.
- 4.
The following are symptoms of a reactor trip and safety injection:
"o Any SI annunciator lit.
"o Safeguards sequencing started.
EOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 3 of 28 STP ACTIOEXPECTED RESPONSE RESPONSE NOT OBTAINEDI 0
Verify Reactor Trip:
- oAt least one train of reactor trip breakers OPEN "o Neutron flux -
DECREASING "o MRPI indicates - ALL CONTROL AND SHUTDOWN RODS ON BOTTOM Verify Turbine Stop Valves CLOSED Manually trip reactor.
IF reactor trip breakers NOT open.
THEN perform the following:
- a. Open Bus 13 and Bus 15 normal feed breakers.
- b. Verify rod drive MG sets tripped.
- c. Close Bus 13 and Bus 15 normal feed breakers.
- d. Reset lighting breakers.
IF the reactor will NOT trip OR IF power range NIS indicates greater than 5%, THEN go to FR-S.1.
RESPONSE TO REACTOR RESTART/ATWS.
Step I Manually trip turbine.
IF turbine trip can NOT be verified, THEN close both MSIVs.
Verify Both Trains Of AC Emergency Busses Energized To At Least 420 VOLTS:
- Bus 14 and Bus 18 e Bus 16 and Bus 17 Attempt to start emergency D/G to all AC emergency IF power can NOT least one train, ECA-0.0.
LOSS OF Step 1.
any failed restore power to busses.
be restored to at THEN go to ALL AC POWER.
0 0
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 4 of 28 f STEPH ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINED[
0 Check if SI is Actuated:
- a.Any SI Annunciator - LIT D. SI sequencing BOTH TRAINS STARTED.
- a.
IF any of the following conditions are met, THEN manually actuate SI and CI:
"o PRZR pressure less than 1750 psig
- OR "o Steamline pressure less than 514 psig
- OR "o CNMT pressure greater than 4 psig
-OR "o Operator determines SI required IF SI is NOT required.
THEN go to ES-0.1, REACTOR TRIP RESPONSE.
Step 1.
- b. Manually actuate SI and CI.
ýACTION/EXP ECTED ýRESPýONSEI Iý RESPýONSE NOT OBTAINEDI NOTE:
o FOLDOUT page should be open and monitored periodically.
o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+05 R/hr.
5 Verify SI and RHR Pumps Running:
- a. All SI pumps RUNNING
- a. Perform the following:
- 2) Manually start pumps.
- a. All fans RUNNING
- b. Charcoal filter dampers green status lights -
EXTINGUISHED
- b. Manually start pumps.
- a. Manually start fans.
- b. Dispatch personnel to relay room with relay rack key to locally open dampers by pushing in trip relay plungers.
e AUX RELAY RACK RA-2 for fan A
- AUX RELAY RACK RA-3 for fan C
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 6 of 28 SE ACTION/EXPECTED RESPONSE ]
RESPONSE NOT OBTAINED
- 7 Verify CNMT Spray Not Required:
"o Annunciator A-27.
CNMT SPRAY EXTINGUI SHED "o CNMT pressure
- LESS THAN 28 PSIG Verify CNMT spray initiated.
IF CNMT spray NOT initiated, THEN perform the following:
- a. Depress manual CNMT spray pushbuttons (2 of 2).
- b. Ensure CNMT spray pumps running.
IF no CNMT spray pump available.
THEN go to Step 8.
- c. Ensure CNMT spray pump discharge valves open for operating pump(s).
"o CNMT spray pump A:
"* MOV-860A
"* MOV-860B "o CNMT spray pump B:
"* MOV-860C
"* MOV-860D
- d. Verify NaOH flow (FI-930)
IF NaOH flow NOT indicated, THEN place switches for NaOH tank outlet valves to OPEN.
"* AOV-836A
"* AOV-836B
8 Check If Main Steamlines Should Be Isolated:
- a. Any MSIV OPEN
- b.
Check CNMT pressure - LESS THAN 18 PSIG
- c.
Check if ANY main steamlines should be isolated:
"o Low Tavg (545°F) AND high steam flow (0.4x10 6 lb/hr) from either S/G
-OR "o High-High steam flow (3.6x10 6 lb/hr) from either S/G
- a.
MFW pumps
- TRIPPED
- b. Place A and B S/G MFW regulating valve and bypass valve controllers in MANUAL at 0%
demand.
- c.
S/G blowdown and sample valves CLOSED
- a. Go to Step 9.
- b. Ensure BOTH MSIVs closed and go to Step 9.
- c.
Go to Step 9.
- d. Manually close valves.
- a. Perform the following:.
- 2)
Continue with Step 9c.
WHEN both MFPs are tripped.
THEN perform Step 9b.
- c. Place S/G blowdown and sample valve isolation switch to CLOSE.
"LOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 8 of 28 STEP ACTION/EXPECTED RESPOE RESPONSE NOT OBTAINED 10 Verify Both MDAFW Pumps Running Manually start both MDAFW pumps.
IF less than 2 MDAFW pumps are running. THEN manually open TDAFW pump steam supply valves.
e MOV-3505A e MOV-3504A 11 Verify At Least Two SW Pumps RUNNING Perform the following:
"* Bus 17
"* Bus 18
- b. IF offsite power NOT available.
THEN ensure SW isolation.
12 Verify CI And CVI:
a -CI and CVI annunciators - LIT
- a. Depress manual CI pushbutton.
- Annunciator A-26.
CNMT ISOLATION
- Annunciator A-25, CNMT VENTILATION ISOLATION
- b. Verify CI and CVI valve status lights -
BRIGHT
- c.
CNMT RECIRC fan coolers SW outlet valve status lights BRIGHT
- b. Manually close CI and CVI valves as required.
IF valves can NOT be verified closed by MCB indication, THEN dispatch AO to locally close valves (Refer to ATT-3.0.
ATTACHMENT CI/CVI for alternate isolation valves).
- c. Dispatch AO to locally fail open valves.
"* FCV-4561
"* FCV-4562
- d.
Letdown orifice valves -
CLOSED
"* AOV-200A
"* AOV-200B
"* AOV-202
- d. Place affected valve switch to CLOSE.
IF valves can NOT be verified closed by MCB indication. THEN close alternate isolations.
(Refer to ATT-3.0, ATTACHMENT CI/CVI)
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 10 of 28 CAUTION RCP TRIP CRITERIA LISTED ON FOLDOUT PAGE SHOULD BE MONITORED PERIODICALLY.
13 Check CCW System Status:
- a. Verify CCW pump -
AT LEAST ONE RUNNING
- b.
Place switch for excess letdown AOV-310 to CLOSE
- a.
SI flow indicators -
CHECK FOR FLOW
- a. IF offsite power available. THEN manually start one CCW pump.
- a. IF RCS pressure 1400 psig. THEN pumps and align THEN go to Step less than manually start valves.
IF NOT.
15.
- b.
RHR flow indicator -
CHECK FOR FLOW 15 Verify AFW Valve Alignment:
a AFW flow - INDICATED TO BOTH S/G(s) r,. AFW flow from each MDAFW pump LESS THAN 230 GPM
- b. IF RCS pressure less than 140 psig, THEN manually start pumps and align valves.
IF NOT, THEN go to Step 15.
Manually align valves as necessary.
"*16 Monitor Heat Sink:
a a-Check S/G narrow range level GREATER THAN 5% [25% adverse CNMT] in any S/G
- b.
Check S/G narrow range level BOTH S/G LESS THAN 50%
- c. Control feed flow to maintain S/G narrow range level between 5% [25% adverse CNMT] and 50%.
- a. Perform the following:
THEN manually start pumps and align valves to establish greater than 200 gpm AFW flow.
IF AFW flow greater than 200 gpm can NOT be established, THEN go to FR-H.1.
RESPONSE TO LOSS OF SECONDARY HEAT SINK.
Step 1.
- 2)
Go to Step 17.
- b. Secure AFW flow to any S/G with level above 50%.
- lEOP:
TILE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 12 of 28 17 Verify SI Pump And RHR Pump Emergency Alignment:
-a.
RHR pump discharge to Rx vessel deluge -
OPEN
"* MOV-852A
"* MOV-852B
- b. Verify SI pump C -
RUNNING
- c. Verify SI pump A - RUNNING
- d. Verify SI pump B -
RUNNING
- e. Verify SI pump C discharge valves OPEN
- a. Ensure at least one valve open.
- b. Manually start pump on available bus.
- c. Perform the following:
- 1) Ensure SI pumps B and C running.
IF either pump NOT, running, THEN go to Step 17e.
- 2) Ensure SI pump C aligned to discharge line A:
"o MOV-871A open "o MOV-871B closed
- 3)
Go to Step 18.
- d. Perform the following:
- 1) Ensure SI pumps A and C running.
IF either pump NOT, running, THEN go to Step 17e.
- 2) Ensure SI pump C aligned to discharge line B:
"o MOV-871B open "o MOV-871A closed
- 3) Go to Step 18.
- e. Manually open valves as necessary.
"* MOV-871A
"* MOV-871B
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 13 of 28 a
a r
C A U I
a N
a a
CAUTION IF OFFSITE POWER IS LOST AFTER SI RESET, TO RESTART SAFEGUARDS EQUIPMENT.
(REFER OFFSITE POWER)
THEN MANUAL ACTION MAY BE REQUIRED TO ATT-8.5, ATTACHMENT LOSS OF a
a a
a a
18 Check CCW Flow to RCP Thermal Barriers:
o Annunciator A-7, RCP 1A CCW RETURN HI TEMP OR LO FLOW EXTINGUISHED o
Annunciator A-15, RETURN HI TEMP OR EXTINGUISHED RCP 1B CCW LO FLOW -
IF CCW to a RCP is lost. THEN perform the following:
- a. Stop affected RCPs.
- b. Reset SI.
- c. Verify adequate power available to run one charging pump (75 kw).
- d. Start one charging pump at minimum speed for seal injection.
- e. Adjust HCV-142 to establish either of the following:
o Labyrinth seal D/P to each RCP greater than 15 inches of water.
-OR o
RCP seal injection flow to each RCP greater than 6 gpm.
- f.
IF large imbalance in seal injection flow exists, THEN consider local adjustment of V-300A and V-300B.
EOP:
TITLE:
REV 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 14 of 28 19 Check If TDAFW Pump Can Be Stopped:
- a. Both MDAFW pumps
- RUNNING
- a. Go to Step 20.
- b.
PULL STOP TDAFW pump steam supply valves e MOV-3504A
- MOV-3505A
- 20 Monitor RCS Tavg -
STABLE AT IF temperature less than 5470F and OR TRENDING TO 5470F decreasing, THEN perform the following:
- a. Stop dumping steam.
- b. Ensure reheater steam supply valves are closed.
- c. IF cooldown continues, THEN control total feed flow greater than 200 gpm until narrow range level greater than 5% [25%
adverse CNMT] in at least one S/G.
- d.
WHEN S/G level greater than 5%
[25% adverse CNMT] in one S/G.
THEN limit feed flow to that required to maintain level in at least one S/G.
- e. IF cooldown continues, THEN close both MSIVs.
IF temperature greater than 5470F and increasing. THEN dump steam to stabilize and slowly decrease temperature to 547 0 F.
LOP:
TITLE:
REV: 3 2 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 15 of 28 SSTEPH ACTION/EXPECTEDI REPNE EPNSENT OBTAINED 21 Check PRZR PORVs Valves:
- a.
PORVs CLOSED And Spray
- b. Auxiliary spray valve (AOV-296)
CLOSED
- c.
Check PRZR pressure 2260 PSIG LESS THAN
- d.
Normal PRZR spray valves CLOSED
"* PCV-431A
"* PCV-431B
- a. IF PRZR pressure less than 2335 psig. THEN manually close PORVs.
IF any valve can NOT be closed.
THEN manually close its block valve.
"* MOV-516 for PCV-430
"* MOV-515 for PCV-431C IF block valve can NOT be closed. THEN go to E-l.
LOSS OF REACTOR OR SECONDARY COOLANT.
Step 1.
- b. Manually close auxiliary spray valve.
IF valve can NOT be closed, THEN perform the following:
- 1) Decrease charging pump flow to minimum.
- 2) Ensure charging valve to loop B cold leg open (AOV-294).
- c. Continue with Step 22.
pressure less than 2260 THEN do Step 21d.
WHEN psig.
- d. Place controllers in MANUAL at 0% demand.
IF valves can NOT be closed. THEN stop associated RCP(s).
EOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 16 of 28 SE ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINEDI 22 Monitor RCP Trip Criteria:
a*RCP status - ANY RCP RUNNING
- b. SI pumps -
AT LEAST TWO RUNNING
- c.
RCS pressure minus maximum S/G pressure -
LESS THAN 175 psig
[400 psig adverse CNMT]
- d. Stop both RCPs 23 Check If S/G Secondary Side Is Intact:
"o Pressure in both S/Gs -
STABLE OR INCREASING "o Pressure in both S/Gs -
GREATER THAN 110 PSIG 24 Check If S/G Tubes Are Intact:
o Air e3ector radiation monitors (R-15 or R-15A)
NORMAL o
S/G blowdown radiation monitor (R-19)
- NORMAL o
Steamline radiation monitors (R-31 and R-32)
NORMAL
- a.
Go to Step 23.
- b. Go to Step 23.
- c.
Go to Step 23.
IF any SIG pressure decreasing in an uncontrolled manner OR completely depressurized, THEN go to E-2. FAULTED STEAM GENERATOR ISOLATION, Step 1.
Go to E-3, STEAM GENERATOR TUBE RUPTURE, Step 1.
"EOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 17 of 28 25 Check If RCS Is Intact:
- a.---CNMT area radiation monitors NORMAL
"* R-2
"* R-7
"* R-29
"* R-30
- b.
CNMT pressure - LESS THAN 0.5 PSIG Go to E-1.
LOSS OF REACTOR OR SECONDARY COOLANT.
Step 1.
- c.
LESS THAN 8 INCHES
- d.
Level STABLE o
Annunciator C-19.
CONTAINMENT SUMP A HI LEVEL - EXTINGUISHED
26 Check If SI Should Be Terminated:
- a.
RCS pressure:
o Pressure -
GREATER THAN 1625 PSIG o
Pressure -
STABLE OR INCREASING
- b.
RCS subcooling based on core exit T/Cs -
GREATER THAN 0°F USING FIG-1.0, FIGURE MIN SUBCOOLING
- c. Secondary heat sink:
o Total feed flow to S/Gs GREATER THAN 200 GPM
-OR o
Narrow range level in at least one S/G -
GREATER THAN 5%
- d.
PRZR level -
GREATER THAN 5%
- a. Do NOT stop SI pumps.
Step 27.
- b. Do NOT stop SI pumps.
Step 27.
Go to Go to
- c.
IF neither condition met, THEN do NOT stop SI pumps.
Go to Step 27.
- d.
Do NOT stop SI pumps.
the following:
Perform
- 1) IF normal PRZR spray available.
THEN try to stabilize RCS pressure with PRZR spray.
- 2)
Go to Step 27.
- e.
Step 1.
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 19 of 28 NOTE:
o Conditions should be evaluated for Site Contingency Reporting (Refer to EPIP-l.0, GINNA STATION EVENT EVALUATION AND CLASSIFICATION).
o The Critical Safety Function Red Path Summary is available in APPENDIX 1.
27 Initiate Monitoring of Critical Safety Function Status Trees
- 28 Monitor S/G Levels:
- a. Narrow range level -
GREATER THAN 5%
- b. Control feed flow to maintain narrow range level between 17%
and 50%
29 Check Secondary Radiation Levels -
NORMAL "o Steamline radiation monitor (R-31 and R-32)
"o Dispatch AO to locally check steamline radiation "o Request RP sample S/Gs for activity
- a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5% in at least one S/G.
- b.
IF narrow range level in any S/G continues to increase in an uncontrolled manner.
THEN go to E-3.
STEAM GENERATOR TUBE
- RUPTURE, Step 1.
Go to E-3, STEAM GENERATOR TUBE RUPTURE.
Step 1.
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION i
PAGE 20 of 28
.SE SPN O
OBTAINED CAUTION IF OPFSITE POWER IS LOST AFTER SI RESET, THEN MANUAL ACTION MAY BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
(REFER TO ATT-8.5.
ATTACHMENT LOSS OF OFFSITE POWER) 30 Reset SI 31 Reset CI:
- a. Depress CI reset pushbutton
- b. Verify annunciator A-26.
CNMT ISOLATION - EXTINGUISHED 32 Verify Adequate SW Flow:
- a. At least three SW pumps -
RUNNING
- b. Perform the following:
- 1) Reset SI.
- 2)
Depress CI reset pushbutton.
- a. Manually start SW pumps as power supply permits (257 kw each).
IF less than three pumps running, THEN ensure SW isolation.
IF NO SW pumps running.
THEN refer to ATT-2.4.
ATTACHMENT NO SW PUMPS.
IF only one SW pump running.
THEN refer to AP-SW.2.
LOSS OF SERVICE WATER.
- b. Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-i)
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 21 of 28 STE ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINED[
33 Establish IA to CNMT:
a-
-Verify non-safeguards busses energized from offsite power o
Bus 13 normal feed -
CLOSED
-OR o
Bus 15 normal feed -
CLOSED
- b. Verify SW isolation valves to turbine building - OPEN
- a. Restore IA supply as follows:
- 1) IF electric air compressor(s) is desired. THEN perform the following:
a) Close non-safeguards bus tie breakers:
o Bus 13 to Bus 14 tie
- Bus 15 to Bus 16 tie b) Verify adequate emergency D/G capacity to run air compressor(s)
(75 kw each).
IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped.
(Refer to ATT-4.0. ATTACHMENT CNMT RECIRC FANS) c)
WHEN bus 15 restored. THEN reset control room lighting.
d)
Go to Step 33b.
- 2) IF diesel air compressor is desired. THEN restore IA supply using the diesel air compressor.
(Refer to ATT-11.2.
ATTACHMENT DIESEL AIR COMPRESSOR)
- b. Manually align valves.
"* MOV-4613 and MOV-4670
"* MOV-4614 and MOV-4664 This Step continued on the next page.
EDP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 22 of 28 (Step 33 continued from previous page)
- c. Verify adequate air
-=compressor(s) -
RUNNING
- d.
Check IA supply:
o Pressure -
GREATER THAN 60 PSIG o
Pressure -
STABLE OR INCREASING
- e.
Reset both trains of XY relays for IA to CNMT AOV-5392
NORMAL S
S S
S Plant vent iodine (R-10B)
Plant vent particulate (R-13)
Plant vent gas (R-14)
CCW liquid monitor (R-17)
LTD line monitor (R-9)
CHG pump room (R-4)
- c. Manually start air compressor(s) as power supply permits (75 kw each).
IF air compressor(s) can NOT be started, THEN dispatch AO to locally reset compressor(s) as necessary.
IF electric air compressor can NOT be started, THEN use diesel air compressor.
(Refer to ATT-l1.2, ATTACHMENT DIESEL AIR COMPRESSOR)
- d. Perform the following:
- 1) Continue attempts to restore IA (Refer to AP-IA.l.
LOSS OF INSTRUMENT AIR).
- 2) Continue with Step 34.
WHEN IA restored, THEN do Steps 33e and f.
Evaluate cause of abnormal conditions.
IF the cause is a loss of RCS inventory outside CNMTo THEN go to ECA-I.2. LOCA OUTSIDE CONTAINMENT, Step 1.
SE ACTION/EXPECTED RSPONSE REPOS NOT OBTAINEDI 35 Check PRT Conditions
-- o PRT level (LI-442)
- LESS THAN 84%
o PRT temperature (TI-439)
LESS THAN 120OF o
PRT pressure (PI-440A)
THAN 3 PSIG LESS Evaluate the following flowpaths for cause of abnormal conditions:
e RCP seal return relief
- PRZR PORVs e PRZR safeties o Letdown line relief IF excess letdown previously in service. THEN close AOV-310, excess letdown isolation valve from loop A cold.
CAUTION RCS PRESSURE SHOULD BE MONITORED.
IF RCS PRESSURE DECREASES IN AN UNCONTROLLED MANNER TO LESS THAN 250 PSIG, THEN THE RHR PUMPS MUST BE MANUALLY RESTARTED TO SUPPLY WATER TO THE RCS.
36 Check If RHR Pumps Should Be Stopped:
- a.
Check RCS pressure:
- 1) Pressure GREATER THAN 250 PSIG
- 2)
Pressure STABLE OR INCREASING
- 1) Go to E-1. LOSS OF REACTOR OR SECONDARY COOLANT.
Step 1.
- 2)
Go to Step 37.
- b.
Stop both RHR pumps and place in AUTO
EOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 24 of 28 SE ACTION/EXPECTED RESPONSE[
RESPONSE NOT OBTAINED[
37 Check Normal Power Available To Charging Pumps:
"o Bus 14 normal feed breaker CLOSED "o Bus 16 normal feed breaker CLOSED Verify adequate emergency D/G capacity to run charging pumps (75 kw each).
IF NOT.
THEN evaluate if CNMT RECIRC fans can be stopped (Refer to ATT-4.0.
ATTACHMENT CNMT RECIRC FANS).
38 Check If Charging Flow Has Been Established:
- a. Charging pumps ANY RUNNING
- a. Perform the following:
- 1) IF CCW flow is lost to any RCP thermal barrier OR any RCP #1 seal outlet temperature offscale high.
THEN dispatch AO with key to RWST gate to close seal injection needle valve(s) to affected RCP:
- 2) Ensure HCV-142 open. demand at 0%.
- b. Charging pump suction aligned to
- b. Manually align valves.
RWST:
IF LCV-112B can NOT be opened, "o LCV-112B - OPEN THEN dispatch AO to locally open V-358. manual charging pump "o LCV-112C - CLOSED suction from RWST (charging pump room).
IF LCV-112C can NOT be closed.
THEN perform the following:
- 1) Verify charging pump A NOT running and place in PULL STOP.
- c. Start charging pumps as necessary and adjust charging flow to restore PRZR level
"EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 26 of 28 SACIONEXPCTE REPONE[
RESPOýNSE NýOT OBTAINEýD[
39 Maintain PRZR Pressure Between 1800 PSIG And
--2235 PSIG o
Reset PRZR heaters o
Use normal PRZR spray
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 27 of 28 40 Check If Emergency D/Gs Should Be Stopped:
- a. Verify AC emergency busses energized by offsite power:
"o Emergency D/G output breakers OPEN "o AC emergency bus voltage GREATER THAN 420 VOLTS "o AC emergency bus normal feed breakers - CLOSED
- a. Perform the following:
- 1) Verify non-safeguards bus tie breakers closed:
e Bus 13 to Bus 14 tie
- Bus 15 to Bus 16 tie
- 2) Place the following pumps in PULL STOP:
"* EH pumps
"* Turning gear oil pump
"* HP seal oil backup pump
- 3) Ensure condenser steam dump mode control in MANUAL.
- 4) Restore power to MCCs:
"* A from Bus 13
"* B from Bus 15
"* E from Bus 15
"* F from Bus 15
- 5) Start HP seal oil backup pump.
- 6) Ensure D/G load within limits.
- 7) Refer to ATT-8.4, ATTACHMENT SI/UV for other equipment lost with loss of offsite power.
- 8) Try to restore offsite power (Refer to ER-ELEC.1.
RESTORATION OF OFFSITE POWER).
- b.
Stop any unloaded emergency D/G and place in standby (Refer to ATT-8.1.
ATTACHMENT D/G STOP)
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TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 28 of 28 41 Return to Step 20
-END-
EOP:
TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 1 of 1 E-0 APPENDIX LIST TITLE
- 1) RED PATH
SUMMARY
- 2)
FIGURE MIN SUBCOOLING (FIG-1.0)
- 3)
ATTACHMENT CI/CVI (ATT-3.0)
- 4)
ATTACHMENT SD-I (ATT-17.0)
- 5)
ATTACHMENT CNMT RECIRC FANS (ATT-4.0)
- 6)
ATTACHMENT D/G STOP (ATT-8.1)
- 7)
ATTACHMENT SI/UV (ATT-8.4)
- 8)
ATTACHMENT NO SW PUMPS (ATT-2.4)
- 9)
ATTACHMENT LOSS OF OFFSITE POWER (ATT-8.5)
- 10)
ATTACHMENT DIESEL AIR COMPRESSOR (ATT-11.2)
- 11)
FOLDOUT
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TITLE:
REV:
32 E-0 REACTOR TRIP OR SAFETY INJECTION E:
PAGE 1 of 1 RED PATH
SUMMARY
- a.
SUBCRITICALITY - Nuclear power greater than 5%
- b.
CORE COOLING -
Core exit T/Cs greater than 12000F
-OR Core exit T/Cs greater than 7000F AND RVLIS level (no RCPs) less than 52% [55%
adverse CNMT]
- c.
HEAT SINK - Narrow range level in all S/Gs less than 5%
[25% adverse CNMT] AND total feedwater flow less than 200 gpm
- d.
INTEGRITY - Cold leg temperatures decrease greater than 1000F in last 60 minutes AND RCS cold leg temperature less than 2850F
- e.
CONTAINMENT -
CNMT pressure greater than 60 psig
EOP:
TITLE:
REV: 32 E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 1 of 1 FOLDOUT PAGE
- 1.
_RCP TRIP CRITERIA IF BOTH conditions listed below occur, THEN trip both RCPs:
- a.
SI pumps -
AT LEAST TWO RUNNING
- b.
RCS pressure minus maximum S/G pressure -
LESS THAN 175 PSIG
[400 psig adverse CNMT]
- 2.
AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.1, ALTERNATE WATER SUPPLY TO AFW PUMPS).
LOP:
TITLE:
REV:
26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 1 of 22 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER C23 RESPONSIBq MANAGER S-/I3 -
(5MA, EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 2 of 22 A.
PURPOSE - This procedure provides actions to recover from a loss of reactor or secondary coolant.
B.
ENTRY CONDITIONS/SYMPTOMS
- 1. ENTRY CONDITIONS - This procedure is entered from:
- a.
E-0, REACTOR TRIP OR SAFETY INJECTION, and FR-H.l, RESPONSE TO LOSS OF SECONDARY HEAT SINK, when a PRZR PORV is stuck open and its block valve can not be closed.
- b.
E-0, REACTOR TRIP OR SAFETY INJECTION, with any of the following symptoms:
high containment radiation, high containment pressure, or high containment recirculation sump level.
- c.
E-0, REACTOR TRIP OR SAFETY INJECTION, ECA-2.1, UNCONTROLLED DEPRESSURIZATION OF BOTH STEAM GENERATORS, and FR-H.1, RESPONSE TO LOSS OF SECONDARY HEAT SINK, when RCS pressure is less than the shutoff head pressure of the RHR pumps or is decreasing.
- d.
ES-I.l, SI TERMINATION, and FR-I.2, RESPONSE TO LOW PRESSURIZER LEVEL, if SI has to be reinitiated.
- e.
E-2, FAULTED STEAM GENERATOR ISOLATION, after identification and isolation of a faulted S/G.
- f.
ECA-0.2, LOSS OF ALL AC POWER RECOVERY WITH SI REQUIRED, after normal injection mode conditions are established.
- g.
ECA-1.2, LOCA OUTSIDE CONTAINMENT, when a LOCA outside containment is isolated.
- h.
FR-C.l, RESPONSE TO INADEQUATE CORE COOLING, and FR-C.2, RESPONSE TO DEGRADED CORE COOLING, after core cooling has been reestablished.
- i.
FR-H.I, RESPONSE TO LOSS OF SECONDARY HEAT SINK, after secondary heat sink has been reestablished and all PRZR PORVs are closed.
LOP:
TITLE:
R V E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 3 of 22 ST....EP..
ATO/.TERSOE.
R O
NO OBTAINED CAUTION IE RWST LEVEL DECREASES TO LESS THAN 28%,
THEN THE SI SYSTEM SHOULD BE ALIGNED FOR COLD LEG RECIRCULATION USING ES-1.3.
TRANSFER TO COLD LEG RECIRCULATION.
STEP 1.
NOTE:
o FOLDOUT page should be open AND monitored periodically.
"o Critical Safety Function Status Trees should be monitored.
(Refer to Appendix 1 for Red Path Summary.)
"o Conditions should be evaluated for Site Contingency Reporting (Refer to EPIP-1.0, GINNA STATION EVENT EVALUATION AND CLASSIFICATION).
"o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+05 R/hr.
1 Monitor RCP Trip Criteria:
- a.
- b.
SI pumps -
AT LEAST TWO RUNNING
- c.
RCS pressure minus maximum S/G pressure -
LESS THAN 175 psig
[400 psig adverse CNMT]
- a.
Go to Step 2.
- b.
Go to Step 2.
- c.
Go to Step 2.
- d.
Stop both RCPs
EOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 4 of 22 STP ACTION/EXPECTE RESPONSEI RESPONSE NOT OBTAINEDI 2 Check If S/G Secondary Side Is Intact:
"o Pressure in both S/Gs -
STABLE OR INCREASING "o Pressure in both S/Gs -
GREATER THAN 110 PSIG IF any S/G pressure decreasing in an uncontrolled manner OR completely depressurized.
THEN verify faulted S/G isolated unless needed for RCS cooldown:
o Steamlines o Feedlines IF NOT, THEN go to E-2.
FAULTED STEAM GENERATOR ISOLATION, Step 1.
NOTE:
TDAFW pump flow control AOVs may drift open on loss of IA.
- 3 Monitor Intact S/G Levels:
- a. Narrow range level -
GREATER THAN 5% [25% adverse CNMT]
- b. Control feed flow to maintain narrow range level between 17%
[25% adverse CNMT] and 50%
- 4 Monitor If Secondary Radiation Levels Are Normal "o Steamline radiation monitor (R-31 and R-32)
"o Request RP sample S/Gs for activity
- a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5% [25%
adverse CNMT] in at least one S/G.
- b. IF narrow range level in any S/G continues to increase in an uncontrolled manner.
THEN go to E-3.
STEAM GENERATOR TUBE RUPTURE. Step 1.
IF steamline radiation monitors NOT available, THEN dispatch AO to locally check steamline radiation.
IF abnormal radiation levels detected in any S/G. THEN go to E-3, STEAM GENERATOR TUBE RUPTURE.
Step 1.
EOP:
TITLE:
REV:
26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 5 of 22 A O
.O.
R.O.
O
.A.
CAUTION IF-ýANY PRZR PORV OPENS BECAUSE OF HIGH PRZR PRESSURE. IT SHOULD BE CLOSED AFTER PRESSURE DECREASES TO LESS THAN 2335 PSIG (REFER TO STEP 5B).
- 5 Monitor PRZR PORV Status:
- a. Power to PORV block valves AVAILABLE
- b.
PORVs CLOSED
- c.
Block valves AT LEAST ONE OPEN
- a. Restore power to block valves unless block valve was closed to isolate an open PORV:
"* MOV-515, MCC D position 6C
"* MOV-516, MCC C position 6C
- b. IF PRZR pressure less than 2335 psig. THEN manually close PORVs.
IF any PORV can NOT be closed, THEN manually close its block valve.
IF block valve can NOT be closed. THEN dispatch AO to locally check breaker.
"* MOV-515, MCC D position 6C
"* MOV-516, MCC C position 6C
- c.
Open one block valve unless it was closed to isolate an open PORV.
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 6 of 22 C..EC..SONE RSPOSE NOT OBTAINED CAUTION IE OFFSITE POWER IS LOST AFTER SI RESET.
THEN MANUAL ACTION MAY BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
(REFER TO ATT-8.5. ATTACHMENT LOSS OF OFFSITE POWER) 6 Reset SI 7 Reset CI:
- a. Depress CI reset pushbutton
- b. Verify annunciator A-26.
CNMT ISOLATION - EXTINGUISHED
- b. Perform the following:
- 1) Reset SI.
- 2) Depress CI reset pushbutton.
LOP:
TITLE:
REV:
26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 7 of 22 8Veriy AdqtO e
S OOTOFTAINEDw 8 Verify Adequate SW Flow:
a-a Check at least two RUNNING SW pumps
- a. Manually start SW pumps as power supply permits (257 kw each).
IF less than two SW pumps running. THEN perform the following:
- 1) Ensure SW isolation.
- 2) Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-i)
- 4) IF only one SW pump running.
THEN refer to AP-SW.2.
LOSS OF SERVICE WATER.
- 5)
Go to Step 10.
- b. Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-i)
EOP:
IIlLE:,
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 8 of 22 9 Establish IA to CNMT:
a-Verify non-safeguards busses energized from offsite power o
Bus 13 normal feed -
CLOSED
-OR o
Bus 15 normal feed -
CLOSED
- b. Verify turbine building SW isolation valves OPEN
- a. Perform the following:
- 1) Close non-safeguards bus tie breakers:
"* Bus 13 to Bus 14 tie
"* Bus 15 to Bus 16 tie
- 2) Verify adequate emergency D/G capacity to run air compressors (75 kw each).
IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped (Refer to Attachment CNMT RECIRC FANS).
- 3) WHEN bus 15 restored, THEN reset control room lighting.
- b. Manually align valves.
& MOV-4613 and MOV-4670
& MOV-4614 and MOV-4664
- c. Verify adequate air compressors RUNNING
- d.
Check IA supply:
o Pressure -
GREATER THAN 60 PSIG o
Pressure - STABLE OR INCREASING
- e.
Reset both trains of XY relays for IA to CNMT AOV-5392
- f.
OPEN
- c. Manually start air compressors as power supply permits (75 kw each).
IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.
- d. Perform the following:
- 1) Continue attempts to restore IA (Refer to AP-IA.l, LOSS OF INSTRUMENT AIR).
- 2) Continue with Step 10.
WHEN IA restored, THEN do Steps 9e and f.
EOP:
TITLE:
REV:
26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 9 of 22 10 Check Normal Power Available To Charging Pumps:
"o Bus 14 normal feed breaker CLOSED "o Bus 16 normal feed breaker CLOSED Verify adequate emergency D/G capacity to run charging pumps (75 kw each).
IF NOT.
THEN evaluate if CNMT RECIRC fans can be stopped (Refer to Attachment CNMT RECIRC FANS).
SE ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINEDI
"EOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 10 of 22 11 Check If Charging Flow Has Been Established:
- a. Charging pumps -
ANY RUNNING
- a. Perform the following:
- b.
Charging pump RWST:
suction aligned to o
LCV-112B -
OPEN o
LCV-112C - CLOSED
- 1) IF CCW flow is lost to any RCP thermal barrier OR any RCP #1 seal outlet temperature offscale high.
THEN dispatch AO with key to RWST gate to close seal injection needle valve(s) to affected RCP:
- 2) Ensure HCV-142 open, demand at 0%.
- b. Manually align valves as necessary.
IF LCV-112B can NOT be opened.
THEN dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).
IF LCV-112C can NOT be closed.
THEN perform the following:
- 1) Verify charging pump A NOT running and place in PULL STOP.
- 2) Direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).
- c. Start charging pumps as necessary and adjust charging flow to restore PRZR level
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 11 of 22 12 Check If SI Should Be Terminated:
- a.
RCS pressure:
o Pressure GREATER THAN 1625 psig [1825 psig adverse CNMT]
- a. Do NOT stop SI pumps.
Step 13.
o Pressure STABLE OR INCREASING
- b.
RCS subcooling based on core exit T/Cs -
GREATER THAN 0°F USING FIGURE MIN SUBCOOLING
- c.
Secondary heat sink:
"o Total feed flow to intact S/Gs GREATER THAN 200 GPM
-OR "o Narrow range level in at least one intact S/G GREATER THAN 5% [25% adverse CNMT]
- d.
PRZR level -
GREATER THAN 5%
[30% adverse CNMT]
- b. Do NOT stop Step 13.
SI pumps.
Go to
- c.
IF neither condition satisfied, THEN do NOT stop SI pumps.
Go to Step 13.
- d.
Do NOT stop SI pumps.
the following:
Perform
- 1) IF normal PRZR spray available. THEN try to stabilize RCS pressure with PRZR spray.
- 2)
Go to Step 13.
Go to
EOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 12 of 22 ACTION/EXPECTED R1 P.......
I RESPONSE NOT OBTAIý'ýý]'
"*13 Monitor If CNMT Spray Should Be Stopped:
- a.
CNMT spray pumps -
RUNNING
- b. Check the following:
CNMT pressure - LESS THAN 4 PSIG Sodium hydroxide tank level LESS THAN 55%
- c. Reset CNMT spray
- d.
Check NaOH flow (FI-930) - NO FLOW
- a. Go to Step 14.
- b. Continue with Step 14.
WHEN BOTH conditions satisfied, THEN do Steps 13c through f.
- d. Place NaOH tank outlet valve switches to CLOSE.
AOV-836A AOV-836B
- e.
Stop CNMT spray pumps and place in AUTO
- f.
Close CNMT spray pump discharge valves e MOV-860A o MOV-860B o MOV-860C
- MOV-860D I
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 13 of 22
-STEP
- ACTION/EXPECTED RESPONSE
- RESPONSE NOT OBTAINED CAUTION o-Il' OFFSITE POWER IS LOST AFTER SI RESET, THEN MANUAL ACTION MAY BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
(REFER TO ATT-8.5, ATTACHMENT LOSS OF OFFSITE POWER) o RCS PRESSURE SHOULD BE MONITORED.
IF RCS PRESSURE DECREASES IN AN UNCONTROLLED MANNER TO LESS THAN 250 PSIG [465 PSIG ADVERSE CNMT],
THEN THE RHR PUMPS MUST BE MANUALLY RESTARTED TO SUPPLY WATER TO THE RCS.
- 14 Monitor If RHR Pumps Should Be Stopped:
- a. Check RCS pressure:
- 1) Pressure -
GREATER THAN 250 psig [465 psig adverse CNMT]
- 2)
RCS pressure STABLE OR INCREASING
- a.
Check pressures in both S/Gs STABLE OR INCREASING
- b.
Check pressures in both S/Gs GREATER THAN 110 PSIG
- c.
Check RCS pressure - STABLE OR DECREASING
- 1) Go to Step 16.
- 2)
Go to Step 15.
- a. Return to Step 1.
- b. Monitor RCS pressure.
IF RCS pressure does NOT increase after faulted S/G dryout.
THEN go to Step 16.
- c. Return to Step 1.
P ACTIONEXECTED RESPONSEI IREPONSE NOT OBTAINEDI 16 Check If Emergency D/Gs Should Be Stopped:
- a. Verify AC emergency busses energized by offsite power:
"o Emergency D/G output breakers
- OPEN "o AC emergency bus voltage GREATER THAN 420 VOLTS "o AC emergency bus normal feed breakers CLOSED
- a. Perform the following:
- 1) Close non-safeguards bus tie breakers as necessary:
e Bus 13 to Bus 14 tie e Bus 15 to Bus 16 tie
- 2) Place the following pumps in PULL STOP:
EH pumps
"* Turning gear oil pump
"* HP seal oil backup pump
- 3) Ensure condenser steam dump mode control in MANUAL.
- 4) Restore power to MCCs:
o A from Bus 13 o B from Bus 15 o E from Bus 15 e F from Bus 15
- 5) Start HP seal oil backup pump.
- 6) Ensure D/G load within limits.
- 7) WHEN bus 15 restored, THEN reset control room lighting breaker.
- 8) Refer to Attachment SI/UV for other equipment lost with loss of offsite power.
- 9) Try to restore offsite power (Refer to ER-ELEC.1.
RESTORATION OF OFFSITE POWER).
- b. Stop any unloaded emergency D/G and place in standby (Refer to Attachment D/G STOP)
EOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 15 of 22 17 Check If RHR Should Be Throttled:
- a. Check RHR Pumps ANY RUNNING
- b. Check RWST level LESS THAN 70%
- c.
RHR flow - LESS THAN 1500 GPM PER OPERATING PUMP
- a. Go to step 18.
- b. Continue with Step 18.
WHEN RWST level less than 70%.
THEN perform step 17b.
- c. Manually adjust RHR Hx outlet valves equally to reduce flow to less than 1500 gpm per operating pump e RHR Hx A. HCV-625 a RHR Hx B. HCV-624 IF flow can NOT be reduced manually, THEN dispatch an AO with locked valve key to locally adjust RHR Hx outlet valve handwheels equally to reduce flow.
- RHR Hx A. HCV-625 handwheel
- RHR Hx B. HCV-624 handwheel
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 16 of 22 18 Verify CNMT Sump Recirculation Capability:
- 1) Power available to emergency AC busses and MCCs required for CNMT sump recirculation "o Bus 14 and bus 18 ENERGIZED "o MCC C -
ENERGIZED "o Bus 16 and bus 17 ENERGIZED "o MCC D -
ENERGIZED
- 3)
CCW pumps and Hx -
- b. Check SW pumps AT LEAST 2 PUMPS AVAILABLE
- c. Dispatch AO to check AUX BLDG sub-basement for RHR system leakage (AUX BLDG sub-basement key may be required)
- a. Restore power to at least one train of emergency AC busses.
IF at least one train of cold leg recirculation capability can NOT be verified. THEN go to ECA-1.1, LOSS OF EMERGENCY COOLANT RECIRCULATION, Step 1.
IF only I SW pump available, THEN refer to Attachment MIN SW for additional guidance.
- c.
IF any RHR pump seal leakage indicated, THEN leakage should be evaluated and isolated if necessary.
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 17 of 22 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 19 Evaluate Plant Status:
- a. Check auxiliary building radiation - NORMAL e Plant vent iodine (R-10B) e Plant vent particulate (R-13) e Plant vent gas (R-14) e CCW liquid monitor (R-17) o LTDN line monitor (R-9) o CHG pump room (R-4)
- b. Direct RP to obtain following samples:
e RCS boron 9 RCS activity 9 CNMT hydrogen e CNMT sump boron
- c. Verify adequate Rx head cooling:
- 1) Verify at least one control rod shroud fan - RUNNING
- 2) Verify one Rx compartment cooling fan
- RUNNING
- a. Notify RP and refer to appropriate AR-RMS procedure.
IF the cause is a loss of RCS inventory outside CNMT.
THEN go to ECA-l.2.
LOCA OUTSIDE CONTAINMENT.
Step 1.
- 1) Manually start one fan as power supply permits (45 kw)
- 2) Perform the following:
"o Dispatch AO to reset UV relays at MCC C and MCC D.
"o Manually start one fan as power supply permits (23 kw)
STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 20 Check If RCS Cooldown And Depressurization Is Required:
- a. RCS pressure -
GREATER THAN 250 psig [465 psig adverse CNMT]
- b.
Go to ES-1.2. POST LOCA COOLDOWN AND DEPRESSURIZATION.
Step 1
- a. IF RHR pump flow greater than 475 gpm. THEN go to Step 21.
EOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 19 of 22 S~~~ACTION/EXPECTED RESOE 112SONE O1O11NE1 NOTE:
IF D/Gs supplying emergency AC busses, THEN non-essential loads may be shed as necessary to allow start of additional SW pumps.
Establish Adequate SW Flow:
- a. Verify at least two SW pumps RUNNING
- b. Verify AUX BLDG SW isolation valves OPEN
- a. Start additional SW pumps as power supply permits (257 kw each).
IF only I SW pump operable. THEN perform the following:
- 1) Ensure Attachment MIN SW is in progress.
- 2)
Go to Step 22.
- b. Manually align valves.
MOV-4615 and MOV-4734
"* MOV-4616 and MOV-4735
- d.
Determine required CCW HXs per table:
21 SW DISCHARGE CCW HXs IN REQUIRED SW FLOW ALIGNMENT SERVICE Normal 2
Total of 5000 6000 gpm equally divided to both HXs Normal 1
5000 6000 gpm to in-service HX Alternate 2
30-33" d/p across each HX Alternate 1
95-100" d/p across in-service HX
LOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 20 of 22 P
ACTIN /EXPEcTED RESPONSEm REPONSE NOT OBTAINE (Step 21 continued from previous page)
"* V-4619.
"* V-4620.
-OR "o IF on alternate SW discharge:
"* V-4619C.
"* V-4620B.
- e. IF the required SW flow can NOT be obtained, THEN perform the following:
"* MOV-4609/MOV-4780
- AT LEAST ONE CLOSED
"* MOV-4663/MOV-4733
- AT LEAST ONE CLOSED
e SFP Hx A (V-4622)
(for alternate SW discharge use V-4622A)
- SFP Hx B (V-8689)
- 4) Verify SW portions of Attachment SD-i are complete.
LoP:
TITLE:
REV: 26 E-l LOSS OF REACTOR OR SECONDARY COOLANT PAGE 21 of 22 SE ACTION/EXPE.CTE REPOS RESPONSE NOT OBTAINEDI 22 Establish CCW flow to RHR Hxs:
a-Check both CCW pumps - RUNNING
- a. Perform the following:
- 1) Start CCW pumps as power supply permits (122 kw each)
- 2)
IF both CCW pumps are running. THEN go to step 22b.
- 3)
IF only one CCW pump is running. THEN perform the following:
a) Direct AO to isolate CCW to boric acid evaporator o
Close V-760A b) Manually open CCW MOV to only one operable RHR Loop "o Open MOV-738A
-OR "o Open MOV-738B c)
Go to step 23.
- b. Dispatch AO to locally open valves.
"* MOV-738A
"* MOV-738B
STEP*
ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINED[
23 Check If Transfer To Cold Leg R ecirculation Is Required:
- a.
RWST level - LESS THAN 28%
- a. Return to Step 17.
- b.
Go to ES-1.3. TRANSFER TO COLD LEG RECIRCULATION, Step 1
-END-
Eop:
TITLE:
REV: 26 E-I LOSS OF REACTOR OR SECONDARY COOLANT PAGE 1 of 1 E-1 APPENDIX LIST
- 2)
- 3)
- 4)
- 5)
- 6)
- 7)
- 8)
- 9) 10)
TITLE RED PATH
SUMMARY
FIGURE MIN SUBCOOLING (FIG-l.o)
ATTACHMENT CNMT RECIRC FANS (ATT-4.0)
ATTACHMENT D/G STOP (ATT-8.1)
ATTACHMENT SD-I (ATT-17.0)
ATTACHMENT SI/UV (ATT-8.4)
ATTACHMENT MIN SW (ATT-2.1)
ATTACHMENT NO SW PUMPS (Arr-2.4)
ATTACHMENT LOSS OF OFFSITE POWER (ATT-8.5)
FOLDOUT
EDP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 1 of 1 RED PATH
SUMMARY
- a.
SUBCRITICALITY - Nuclear power greater than 5%
- b.
CORE COOLING -
Core exit T/Cs greater than 1200°F
-OR Core exit T/Cs greater than 7000F AND RVLIS level (no RCPs) less than 52% [55%
adverse CNMT]
- c.
HEAT SINK -
Narrow range level in all S/Gs less than 5%
[25% adverse CNMT] AND total feedwater flow less than 200 gpm
- d.
INTEGRITY -
Cold leg temperatures decrease greater than 1000F in last 60 minutes AND RCS cold leg temperature less than 2850F
- e.
CONTAINMENT -
CNMT pressure greater than 60 psig
EOP:
TITLE:
REV: 26 E-1 LOSS OF REACTOR OR SECONDARY COOLANT PAGE 1 of 1 FOLDOUT PAGE
a.-SI pumps - AT LEAST TWO RUNNING
- 2. SI REINITIATION CRITERIA IF EITHER condition listed below occurs, THEN manually start SI pumps as necessary:
"o RCS subcooling based on core exit TICs - LESS THAN 00 F USING FIGURE MIN SUBCOOLING
-OR "o PRZR level - CHARGING CAN NOT CONTROL LEVEL GREATER THAN 5% [30% adverse CNMT]
- 3. SI TERMINATION CRITERIA IF ALL conditions listed below occur, THEN go to ES-1.1, SI TERMINATION, Step 1:
- a. RCS subcooling based on core exit T/Cs - GREATER THAN 00 F USING FIGURE MIN SUBCOOLING
- b. Total feed flow to intact S/Gs - GREATER THAN 200 GPM
-OR Narrow range level in at least one intact S/G - GREATER THAN 5% [25% adverse CNMT]
- c. RCS pressure:
o GREATER THAN 1625 PSIG [1825 psig adverse CNMT]
o STABLE OR INCREASING
- d. PRZR level - GREATER THAN 5% [30% adverse CNMT]
- 4. SECONDARY INTEGRITY CRITERIA IF any S/G pressure is decreasing in an uncontrolled manner or is completely depressurized AND has not been isolated, THEN go to E-2, FAULTED S/G ISOLATION, Step 1.
- 5. E-3 TRANSITION CRITERIA IF any S/G level increased in an uncontrolled manner or any S/G has abnormal radiation, THEN manually start SI pumps as necessary AND go to E-3, STEAM GENERATOR TUBE RUPTURE, Step 1.
6.. COLD LEG RECIRCULATION SWITCHOVER CRITERION IF RWST level decreases to less than 28%, THEN go to ES-1.3, TRANSFER TO COLD LEG RECIRCULATION, Step 1.
- 7. AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.1, ALTERNATE WATER SUPPLY TO AFW PUMPS).
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 1 of 42 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER R RES PONS IBLE_ 4NAGER
?-/3-;
36cý EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:___________
x
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 2 of 42 A.
PURPOSE -
This procedure provides actions to terminate leakage of reactor coolant into the secondary system following a steam generator tube rupture (SGTR),
this procedure should also be used for a SGTR in one S/G and a fault in the other S/G.
B
-- ENTRY CONDITIONS/SYMPTOMS
- 1. ENTRY CONDITIONS - This procedure is entered from:
- a.
E-0, REACTOR TRIP OR SAFETY INJECTION, when condenser air ejector radiation or blowdown radiation is
- abnormal, or
- b.
E-0, REACTOR TRIP OR SAFETY INJECTION, E-1, LOSS OF REACTOR OR SECONDARY COOLANT, E-2, FAULTED STEAM GENERATOR ISOLATION, and FR-H.3, RESPONSE TO STEAM GENERATOR HIGH LEVEL, when secondary radiation is
- abnormal, or
- c.
E-0, REACTOR TRIP OR SAFETY INJECTION, E-l, LOSS OF REACTOR OR SECONDARY COOLANT, E-2, FAULTED STEAM GENERATOR ISOLATION, ES-l.2, POST LOCA COOLDOWN AND DEPRESSURIZATION, ECA-3.3, SGTR WITHOUT PRESSURIZER PRESSURE CONTROL, when an intact S/G narrow range level increases in an uncontrolled manner.
- d.
ECA-3.3, SGTR WITHOUT PRESSURIZER PRESSURE CONTROL, when pressurizer pressure control is restored.
- e.
Any FOLDOUT page that has E-3 transition criteria whenever either S/G level increases in an uncontrolled manner or either S/G has abnormal radiation.
NOTE:
o FOLDOUT page should be open AND monitored periodically.
o Critical Safety Function Status Trees should be monitored (Refer to Appendix I for Red Path Summary).
o Personnel should be available for sampling during this procedure.
o Conditions should be evaluated for Site Contingency Reporting (EPIP-1.0.
GINNA STATION EVENT EVALUATION AND CLASSIFICATION).
o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+05 R/hr.
- 1 Monitor RCP Trip Criteria:
- a.
- b.
SI pumps AT LEAST TWO RUNNING
- c.
RCS pressure minus maximum S/G pressure LESS THAN 175 psig
[400 psig adverse CNMT]
- d. Stop both RCPs
- a.
Go to Step 2.
- b.
Go to Step 2.
- c. Go to Step 2.
LOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 4 of 42 STEP ACTION/EXPECTED RESPONSEE RESPONSE NOT OBTAINED
- t 4
4 4
C CAUTI ON IF O*FSITE POWER IS LOST AFTER SI RESET, TO RESTART SAFEGUARDS EQUIPMENT.
(REFER OFFSITE POWER)
THEN MANUAL ACTION MAY BE REQUIRED TO ATT-8.5.
ATTACHMENT LOSS OF 4
4 4
4 4
2 Identify Ruptured SIG(s):
"o Unexpected increase in either S/G narrow range level
-OR "o High radiation indication on main steamline radiation monitor
"* R-31 for S/G A
"* R-32 for S/G B
-OR "o AO reports local indication of high steamline radiation
-OR "o RP reports high radiation from S/G activity sample Perform the following:
- a. Reset SI
- b. Continue with Steps 10 through 16.
WHEN ruptured S/G(s) identified. THEN do Steps 3 through 9.
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 5 of 42
-STEP-ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINEDt CAUTION o7 Ti" THE TDAFW PUMP IS THE ONLY AVAILABLE SOURCE OF FEED FLOW, STEAM SUPPLY TO THE TDAFW PUMP MUST BE MAINTAINED FROM ONE S/G.
o AT LEAST ONE S/G SHALL BE MAINTAINED AVAILABLE FOR RCS COOLDOWN.
3 Isolate Flow From Ruptured S/G(s):
- a. Adjust ruptured S/G ARV controller to 1050 psig in AUTO
- b. Check ruptured S/G ARV - CLOSED
- c.
Close ruptured S/G TDAFW pump steam supply valve and place in PULL STOP
- S/G A, MOV-3505A
- S/G B. MOV-3504A
- d.
Verify ruptured S/G blowdown valve CLOSED
- S/G A. AOV-5738
- S/G B. AOV-5737
- b.
WHEN ruptured S/G pressure less than 1050 psig, THEN verify SIG
-ARV closed.
IF NOT closed, THEN place controller in MANUAL and close SIG ARV.
IF S/G ARV can NOT be closed, THEN dispatch AO to locally "isolate.
- S/G A, V-3505
- S/G B, V-3504
- d. Place S/G blowdown and sample valve isolation switch to CLOSE.
IF blowdown can NOT be isolated manually, THEN dispatch AO to locally isolate blowdown.
"* S/G A. V-5701
"* S/G B, V-5702
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TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 6 of 42 4 Complete Ruptured S/G Isolation:
- a. Close ruptured S/G MSIV -
- a. Perform the following:
RUPTURED S/G MSIV CLOSED
- 1) Close intact S/G MSIV.
- 2) Place intact S/G ARV controller at 1005 psig in AUTO.
- 3) Adjust condenser steam dump controller to 1050 psig in AUTO.
- 4) Place condenser steam dump mode selector switch to MANUAL.
- 5) Adjust reheat steam supply controller cam to close reheat steam supply valves.
- 6) Ensure turbine stop valves CLOSED.
- 7) Dispatch AO to complete ruptured S/G isolation (Refer to Attachment RUPTURED S/G.
parts A and B).
- b. Dispatch AO to complete ruptured S/G isolation (Refer to Attachment RUPTURED S/G part A)
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 7 of 42 O................
X.O.
..O...
aO.
O CAUTION IF ANY RUPTURED S/G IS FAULTED.
FEED FLOW TO THAT S/G SHOULD REMAIN ISOLATED DURING SUBSEQUENT RECOVERY ACTIONS UNLESS NEEDED FOR RCS COOLDOWN.
5 Check Ruptured S/G Level:
- a. Narrow range level -
GREATER THAN 5% [25% adverse CNMT]
- b. Close MDAFW pump discharge valve to ruptured S/G
"* S/G A. MOV-4007
"* S/G B. MOV-4008
- c. Pull stop MDAFW pump for ruptured S/G
- d. Close TDAFW pump flow control valve to ruptured S/G
"* S/G A. AOV-4297
"* S/G B. AOV-4298
- e. Verify MDAFW pump crosstie valves -
CLOSED
- a. IF ruptured S/G NOT faulted.
THEN perform the following:
- 1) Maintain feed flow to ruptured S/G until level greater than 5% [25% adverse CNMT].
- 2) Continue with Step 6.
WHEN ruptured S/G level greater than 5% [25% adverse CNMT],
THEN do Steps 5b through e.
- b. Dispatch AO to locally close valve.
- d. Dispatch AO with locked valve key to locally close TDAFW pump manual feedwater isolation valve to ruptured S/G.
"* S/G A. V-4005
"* S/G B. V-4006
- e. Manually close valves.
"* MOV-4000A
"* MOV-4000B
EiP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 8 of 42 6ACTIONEXPECTED Verif1 ySPONSE NOT OBTAIRte G
so 6 Verify Ruptured S/G Isolated:
aT Check ruptured MSIV -
CLOSED
- b. Check TDAFW pump steam supply from ruptured SIG - ISOLATED
- c.
Ruptured SIG pressure -
GREATER THAN 300 PSIG 7 Establish Condenser Steam Dump Pressure Control:
- a. Verify condenser available:
"o Intact S/G MSIV - OPEN "o Annunciator G-15.
STEAM DUMP ARMED
- LIT
- b. Adjust condenser steam dump controller HC-484 to maintain intact S/G pressure and verify in AUTO
- c. Place steam dump mode selector switch to MANUAL
- a. Ensure air ejector/gland steam supply and flange heating steam isolated.
(Refer to ATTACHMENT RUPTURED SIG, part B).
- b. Continue efforts to isolate steam supply from ruptured S/G:
- SIG A, MOV-3505A OR V-3505
- SIG B, MOV-3504A OR V-3504
- c.
Go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
- a. Adjust S/G ARV controllers to maintain intact S/G pressure in AUTO and go to Step 8.
EOP:
TITLE:
REV:
32 E-3 STEAIM GENERATOR TUBE RUPTURE PAGE 9 of 42 N
OBTAINED CAUTION IF OFFSITE POWER IS LOST AFTER SI RESET. THEN MANUAL ACTION MAY BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
(REFER TO ATT-8.5.
ATTACHMENT LOSS OF OFFSITE POWER) 8 Reset SI
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 10 of 42 SSTEP ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINED CAUTION RUPTURED S/G LEVEL SHALL BE MAINTAINED GREATER THAN 5% [25% ADVERSE CNMT]
DURING THE RCS COOLDOWN, UNLESS THE RUPTURED S/G IS ALSO FAULTED.
NOTE:
Following initiation of controlled cooldown or depressurization. RCP trip criteria is no longer applicable.
9 Initiate RCS Cooldown:
- a. Determine required core exit temperature from below table
- b. IF ruptured S/G MSIV closed.
THEN initiate dumping steam to condenser from intact S/G at maximum rate
- c.
Core exit T/Cs - LESS THAN REQUIRED TEMPERATURE
- d.
Stop RCS cooldown and stabilize core exit T/Cs less than required temperature
- b. Manually or locally initiate steam dump from intact S/G at maximum rate using S/G ARV.
IF no intact S/G available. THEN perform the following:
o Use faulted SIG.
-OR o
IF a ruptured S/G must be used. THEN go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED. Step 1.
- c. Continue with Step 10.
WHEN core exit T/Cs less than required. THEN do Step 9d.
RUPTURED REQUIRED CORE EXIT SG PRESSURE TEMPERATURE (OF) 1100 PSIG 525 [505 adverse CNMT]
1000 PSIG 510 [490 adverse CNMT]
900 PSIG 500 [475 adverse CNMT]
800 PSIG 485 [460 adverse CNMT]
700 PSIG 465 [440 adverse CNMT]
600 PSIG 450 [420 adverse CNMT]
500 PSIG 425 [395 adverse CNMT]
400 PSIG 405 [370 adverse CNMT]
300 PSIG 375 [330 adverse CNMT]
t t
t
NOTE:
TDAFW pump flow control AOVs may drift open on loss of IA.
10--M6hitor Intact S/G Level:
- a. Narrow range level -
GREATER THAN 5% [25% adverse CNMT]
- b. Control feed flow to maintain narrow range level between 17%
[25% adverse CNMT] and 50%
- a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5% [25%
adverse CNMT] in at least one S/G.
- b.
IF narrow range level in the intact SIG continues to increase in an uncontrolled manner, THEN go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED. Step 1.
LOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 12 of 42
- . *O.
- A.
CAUTION IF ANY PRZR PORV OPENS BECAUSE OF HIGH PRZR PRESSURE.
IT SHOULD BE CLOSED AFTER PRESSURE DECREASES TO LESS THAN 2335 PSIG (REFER TO STEP liB).
11 Monitor PRZR PORVs And Block Valves:
- a. Power to PORV block valves AVAILABLE
- b.
PORVs CLOSED
- c.
Block valves -
AT LEAST ONE OPEN
- a. Restore power to block valves unless block valve was closed to isolate an open PORV:
"* MOV-515, MCC D position 6C
"* MOV-516.
MCC C position 6C
- b. IF PRZR pressure less than 2335 psig, THEN manually close PORVs.
IF any PORV can NOT be closed, THEN manually close its block valve.
IF block valve can NOT be closed, THEN go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED.
Step 1.
- c.
Open one block valve unless it was closed to isolate an open PORV.
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 13 of 42 STP ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINEDI 12 Reset CI:
Depress CI reset pushbutton
- b. Verify annunciator A-26, CNMT ISOLATION - EXTINGUISHED
- b. Perform the following:
- 1) Reset SI.
- 2) Depress CI reset pushbutton.
E ACTION/EXPECTED RESPONSE NOT OBTAINED 13 Monitor All AC Busses BUSSES ENERGIZED BY OFFSITE POWER o Normal feed breakers to all 480 volt busses -
CLOSED o
480 volt bus voltage -
GREATER THAN 420 VOLTS o Emergency D/G output breakers OPEN Perform the following:
- a.
IF any AC emergency bus normal feed breaker open. THEN ensure associated D/G breaker closed.
- b. Perform the following as necessary:
- 1) Close non-safeguards bus tie breakers:
"* Bus 13 to Bus 14 tie
"* Bus 15 to Bus 16 tie
- 2) Place the following pumps in PULL STOP:
"* EH pumps
"* Turning gear oil pump
"* HP seal oil backup pump
- 3) Restore power to MCCs.
9 A from Bus 13
& B from Bus 15
- E from Bus 15 e F from Bus 15
- 4) Start HP seal oil backup pump.
- 5) Start CNMT RECIRC fans as necessary.
- 6) Ensure D/G load within limits.
- 7)
WHEN bus 15 restored. THEN reset control room lighting.
- c. Try to restore offsite power to all AC busses (Refer to ER-ELEC.1, RESTORATION OF OFFSITE POWER).
14 Verify Adequate SW Flow:
a* Check at least two SW pumps -
- a. Manually start SW pumps as power RUNNING supply permits (257 kw each).
IF less than two SW pumps running. THEN:
- 1) Ensure SW isolation.
- 2) Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-i)
- 4) IF only one SW pump running, THEN refer to AP-SW.2, LOSS OF SERVICE WATER.
- 5) Go to Step 16.
- b. Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-i)
5 EsAbs ItO CMT OIOT:O AINED 15 Establish IA to CNMT:
gVerify non-safeguards busses energized o
Bus 13 normal feed -
CLOSED
-OR o
Bus 15 normal feed CLOSED
- b. Verify turbine building SW isolation valves -
OPEN
"* MOV-4613 and MOV-4670
"* MOV-4614 and MOV-4664
- c. Verify adequate air compressors RUNNING
- d.
Check IA supply:
"o Pressure GREATER THAN 60 PSIG "o Pressure STABLE OR INCREASING
- a. Perform the following:
- 1) Close non-safeguards bus tie breakers:
- Bus 13 to Bus 14 tie e Bus 15 to Bus 16 tie
- 2) Verify adequate emergency D/G capacity to run air compressors (75 kw each).
IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped (Refer to Attachment CNMT RECIRC FANS).
- b. Manually align valves.
- c. Manually start air compressors as power supply permits (75 kw each).
IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.
- d.
Perform the following:
- 1) Continue attempts to restore IA (Refer to AP-IA.1.
LOSS OF INSTRUMENT AIR).
- 2) Continue with Step 16.
WHEN IA restored, THEN do Steps 15e and f.
- f.
OPEN
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 17 of 42
- o.
- a o.
o CAUTION RCS-PRESSURE SHOULD BE MONITORED.
IF RCS PRESSURE DECREASES IN AN UNCONTROLLED MANNER TO LESS THAN 250 PSIG [465 PSIG ADVERSE CNMT].
RHR PUMPS MUST BE MANUALLY RESTARTED TO SUPPLY WATER TO THE RCS.
THEN THE 16 Check If RHR Pumps Should Be Stopped:
- a.
Check RCS pressure GREATER THAN 250 psig [465-psig adverse CNMT]
- b. Stop RHR pumps and place both in AUTO
- a.
Go to Step 17.
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 18 of 42 STEP ACTION/EXPECTED RESPONSEI RESPONSE NOT 0BTAINED 17 Establish Charging Flow:
67 dCharging pumps ANY RUNNING
- a. Perform the following:
- 1) IF CCW flow is lost to any RCP thermal barrier OR any RCP #1 seal outlet temperature offscale high.
THEN dispatch AO with key to RWST gate to locally close seal injection needle valves to affected RCP.
- 2) Ensure HCV-142 demand at 0%.
- b. Align charging pump suction to
- b. IF LCV-112B can NOT be opened, RWST:
THEN dispatch AO to locally open manual charging pump suction o
LCV-112B -
OPEN from RWST (V-358 located in charging pump room).
o LCV-112C - CLOSED IF LCV-112C can NOT be closed, THEN perform the following:
- 1) Verify charging pump A NOT running and place in PULL STOP.
- 2) Direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).
- c.
Start charging pumps as necessary and establish 75 gpm total charging flow
"* Charging line flow
"* Seal injection
18 Check If RCS Cooldown Should Be Stopped:
- a.
Core exit T/Cs
- LESS THAN REQUIRED TEMPERATURE
- b. Stop RCS cooldown
- c. Stabilize core exit T/Cs - LESS THAN REQUIRED TEMPERATURE 19 Check Ruptured S/G Pressure STABLE OR INCREASING 20 Check RCS Subcooling Based On Core Exit T/Cs -
GREATER THAN 20OF USING FIGURE MIN SUBCOOLING
- a. Do NOT proceed until core exit T/Cs less than required temperature.
IF pressure continues to decrease to less than 250 psi above the pressure of the intact SIG, THEN go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
Go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED.
Step 1
EOP:
TITLE:
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32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 20 of 42 P
ACTIN/EXPECTED R RESPONSE NOT OBTAINED NOTE:
SI ACCUMs may inject during RCS depressurization.
21 - Depressurize RCS To Minimize Break Flow And Refill PRZR:
- a. Check the following:
o Ruptured S/G level -
LESS THAN 90% [80% adverse CNMT]
o Any RCP - RUNNING o
- b. Spray PRZR with maximum available spray until ANY of the following conditions satisfied:
"o PRZR level GREATER THAN 75%
[65% adverse CNMT]
-OR "o RCS pressure - LESS THAN SATURATION USING FIGURE MIN SUBCOOLING
-OR "o BOTH of the following:
- 1) RCS pressure LESS THAN RUPTURED S/G PRESSURE
- 2)
PRZR level -
GREATER THAN 5% [30% adverse CNMT]
- c.
Close normal PRZR spray valves:
- 1) Adjust normal spray valve controller to 0% DEMAND
- 2)
Verify PRZR spray valves CLOSED
"* PCV-431A
"* PCV-431B
- d.
Verify auxiliary spray valve (AOV-296)
CLOSED
- a.
Go to Step 22.
- c. Stop associated RCP(s).
- d. Decrease charging speed to minimum and ensure charging valve to loop B cold leg open (AOV-294).
- e.
Go to Step 24 OBTAINED I
S
- r
- S r
- r
- a S
- r *
- r
- r
THIS MAY RESULT IN ABNORMAL CNMT CONDITIONS.
"o CYCLING OF THE PRZR PORV SHOULD BE MINIMIZED.
"o THE UPPER HEAD REGION MAY VOID DURING RCS DEPRESSURIZATION IF RCPS ARE NOT RUNNING.
THIS MAY RESULT IN A RAPIDLY INCREASING PRZR LEVEL.
St v,
t S
- r
- w t
t NOTE:
o If auxiliary spray is in use, spray flow may be increased by closing normal charging valve AOV-294 and normal PRZR spray valves.
o When using a PRZR PORV select one with an operable block valve.
22 Depressurize RCS Using PRZR PORV To Minimize Break Flow And Refill PRZR:
- b.
PRZR PORVs AVAILABLE AT LEAST ONE
- a. Refer to Attachment N2 PORVS to operate PORVs.
- b. IF auxiliary spray available.
THEN return to Step 21b.
IF auxiliary spray can NOT be established. THEN go to ECA-3.3.
SGTR WITHOUT PRESSURIZER PRESSURE CONTROL.
Step 1.
This Step continued on the next page.
EOP:
TITLE:
I REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 22 of 42 (Step 22 continued from previous page)
- c. Open one PRZR PORV until ANY of the following conditions satisfied:
o PRZR level -
GREATER THAN 75%
[65% adverse CNMT]
-OR "o RCS pressure - LESS THAN SATURATION USING FIGURE MIN SUBCOOLING
-OR "o
BOTH of the following:
- 1) RCS pressure
- LESS THAN RUPTURED S/G PRESSURE
- 2)
PRZR level - GREATER THAN 5% [30% adverse CNMT]
- d. Close PRZR PORVs
- c.
IF auxiliary spray available, THEN return to step 21b.
- 1) IF auxiliary spray can NOT be established. THEN go to ECA-3.3, SGTR WITHOUT PRESSURIZER PRESSURE CONTROL, Step 1.
- d.
IF either PRZR PORV can NOT be closed. THEN close associated block valve.
"EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 23 of 42 SACTION/EXPECTED RSPONSEt RESPONSE NOT OBTAINED 23 Check RCS Pressure INCREASING Close block valve for the PRZR PORV that was opened.
IF pressure continues to decrease.
THEN perform the following:
- a. Monitor the following conditions for indication of leakage from PRZR PORV:
"o PORV outlet temp (TI-438) NOT decreasing.
"o PRT pressure. level or temperature continue to increase.
- b. Go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
LOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 24 of 42
- O...
OOA..
CAUTION S1 MUST BE TERMINATED WHEN TERMINATION CRITERIA ARE SATISFIED TO PREVENT OVERFILLING OF THE RUPTURED S/G.
- r
- r a
a
- r 24 Check If SI Flow Should Be Terminated:
- a.
RCS subcooling based on core exit T/Cs -
GREATER THAN 0°F USING FIGURE MIN SUBCOOLING
- b. Secondary heat sink:
"o Total feed flow to S/G(s)
GREATER THAN 200 GPM AVAILABLE
-OR Narrow range level in at least one intact S/G GREATER THAN 5% [25% adverse CNMT]
- c.
RCS pressure -
STABLE OR INCREASING
- d.
PRZR level -
GREATER THAN 5%
[30% adverse CNMT]
- a. Do NOT stop SI pumps.
Go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
- b.
IF neither condition satisfied, THEN do NOT stop SI pumps.
Go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
- c.
Do NOT stop SI pumps.
Go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
- d.
Do NOT stop SI pumps. Return to Step 6.
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 25 of 42 25 Stop SI Pumps And Place In AUTO 26 Establish Required Charging Line Flow:
- a. Charging pumps - ANY RUNNING
- a. Perform the following:
- 1) IF CGW flow is lost to any RCP thermal barrier OR any RCP #1 seal outlet temperature offscale high, THEN dispatch AO with key to RWST gate to locally isolate seal injection to affected RCP:
"* RCP A, V-300A
"* RCP B. V-300B
- 2) Ensure HCV-142 open.
- 3) Start one charging pump.
- b. Establish 20 gpm charging line flow
LOP:
TILE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 26 of 42 SACTON/XPETEDRESONS[
IRESPýONSE NýOT 0ýBTAINýEDI
- 27 Monitor SI Reinitiation Criteria:
- a.
RCS subcooling based on core exit T/Cs GREATER THAN 0°F USING FIGURE MIN SUBCOOLING
- b.
PRZR level GREATER THAN 5%
[30% adverse CNMT]
- a. Manually start SI pumps as necessary and go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED.
Step 1.
- b. Control charging flow to maintain PRZR level.
IF PRZR level can NOT be maintained. THEN manually start SI pumps as necessary and go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT SUBCOOLED RECOVERY DESIRED, Step 1.
28 Check If SI ACCUMs Should Be Isolated:
- a.
Check the following:
"o RCS subcooling based on core exit T/Cs GREATER THAN 0°F USING FIGURE MIN SUBCOOLING "o PRZR level GREATER THAN 5%
[30% adverse CNMT]
"* MOV-841.
MCC C position 12F
"* MOV-865, MCC D position 12C
- c. Close SI ACCUM discharge valves
- MOV-841 a MOV-865
- a. Manually operate SI pumps as necessary and go to ECA-3.1.
SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED. Step 1.
- c.
Vent any unisolated ACCUMs:
- 1) Open vent valves for unisolated SI ACCUMs.
"* ACCUM A, AOV-834A
" ACCUM B. AOV-834B
- 2)
Open HCV-945.
- d.
Locally reopen breakers for MOV-841 and MOV-865
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 28 of 42 STP ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINED[
29 Verify Adequate CCW Hx:
- a. Manually start pumps as power supply permits (257 kw each).
IF less than two SW pumps can be operated. THEN perform the following:
- 2) IF only one SW pump running, THEN refer to AP-SW.2.
LOSS OF SERVICE WATER.
- 3)
Go to Step 36.
- b. Verify AUX BLDG SW isolation valves AT LEAST ONE SET OPEN
- b. Manually align valves.
"* MOV-4615 and MOV-4734
"* MOV-4616 and MOV-4735 This Step continued on the next page.
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 29 of 42 STP ACTION /EXPECTED SPONSE RESPONSE NOT OBTAINED (Step 29 continued from previous page)
- c. Verify CNMT annunciator TEMPERATURE RECIRC fan C-2, HIGH ALARM - EXTINGUISHED
- c. Perform the following:
"o IF on normal SW discharge:
0 V-4619.
CCW Hx A
- V-4620.
CCW Hx B
-OR "o IF on alternate SW discharge:
o V-4619C, CCW Hx A
- V-4620B.
CCW Hx B SW DISCHARGE CCW HXs IN REQUIRED SW FLOW ALIGNMENT SERVICE Normal 2
Total of 5000 -
6000 gpm equally divided to both HXs Normal 1
5000 -
6000 gpm to in-service HX Alternate 2
30-33" d/p across each HX Alternate 1
95-100" d/p across in-service HX
EOP:
TITLE:
REV 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 30 of 42 S~ACTI0N/EXPECTED RE0SE SPONSE NOT 0BTAIM[ýDI 30 Check If Normal CVCS Operation Can Be Established
- a. Verify IA restored:
- OPEN "o IA pressure GREATER THAN 60 PSIG
- b. Verify instrument bus D ENERGIZED
- c.
CCW pumps ANY RUNNING
- d.
Charging pump ANY RUNNING
- a. Continue with Step 36.
WHEN IA restored, THEN do Steps 30 through 35.
- b. Energize MCC B.
IF MCC B NOT available, THEN perform the following:
- 1) Verify MCC A energized.
- 2) Place instrument bus D on maintenance supply.
- c. Perform the following:
- 1) IF any RCP #1 seal outlet temperature offscale high, THEN isolate CCW to thermal barrier of affected RCP(s).
o RCP A. MOV-749A and MOV-759A
- RCP B. MOV-749B and MOV-759B
- 2) Manually start one CCW pump.
- d. Continue with Step 36.
WHEN any charging pump running. THEN do Steps 31 through 35.
EDP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 31 of 42 31 Check If Seal Return Flow Should Be Established:
- a. Verify RCP #1 seal outlet temperature - LESS THAN 2350F
- b. Verify RCP seal outlet valves OPEN
"* AOV-270A
"* AOV-270B
- c. Reset both trains of XY relays for RCP seal return isolation valve MOV-313
- d. Open RCP seal return isolation valve MOV-313
- e. Verify RCP #1 seal leakoff flow LESS THAN 6.0 GPM
- f. Verify RCP #1 seal leakoff flow GREATER THAN 0.8 GPM
- a. Go to Step 32.
- b. Manually open valves as necessary.
- d. Perform the following:
- 1) Place MOV-313 switch to OPEN.
- e. Perform the following:
- 1) Trip the affected RCP
- 2) Allow 4 minutes for pump coast down.
THEN close the affected RCP seal discharge valve
"* RCP A, AOV-270A
"* RCP B. AOV-270B IF both RCP seal discharge valves are shut, THEN go to Step 32.
- f.
Refer to AP-RCP.1, RCP SEAL MALFUNCTION.
SACTION/EXPECTED RE RESPONSE NOT OBTAINEDI 32 Verify PRZR Level -
GREATER THAN 13% [40% adverse CNMT]
33 Establish Normal Letdown:
- a. Establish charging line flow to REGEN Hx -
GREATER THAN 20 GPM
- b. Place the following switches to CLOSE:
"* Letdown orifice valves (AOV-200A, AOV-200B. and AOV-202)
"* Letdown isolation valve AOV-371
"* Loop B cold leg to REGEN Hx AOV-427
- c. Place letdown controllers in MANUAL at 40% open
"* TCV-130
"* PCV-135
- d. Reset both trains of XY relays for AOV-371 and AOV-427
- e. Open AOV-371 and AOV-427
- f.
Open letdown orifice valves as necessary
- g. Place TCV-130 in AUTO at 105'F
- h. Place PCV-135 in AUTO at 250 psig
- i. Adjust charging pump speed and HCV-142 as necessary A
Continue with Step 34.
WHEN PRZR level increases to greater than 13%
[40% adverse CNMTI.
THEN do Step 33.
IF RCP seal return has been established. THEN establish excess letdown as follows:
o Place excess letdown divert valve, AOV-312, to NORMAL.
o Ensure CCW from excess letdown
- open, (AOV-745).
o Open excess letdown isolation valve AOV-310.
o Slowly open HCV-123 to maintain excess letdown temperature less than 195*F and pressure less than 100 psig.
o Adjust charging pump speed as necessary.
IF RCP seal return NOT established, THEN consult TSC to determine if excess letdown should be placed in service.
"EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 33 of 42 34 Check VCT Makeup System:
a7 Adjust boric acid flow control valve in AUTO to 9.5 gpm
- b. Adjust RMW flow control valve in AUTO to 40 gpm
- c. Verify the following:
- 1) RMW mode selector switch in AUTO
- 2)
RMW control armed RED LIGHT LIT
- d.
Check VCT level:
o Level GREATER THAN 20%
-OR o
Level STABLE OR INCREASING
- c. Adjust controls as necessary.
- d. Manually increase VCT makeup flow as follows:
- 1) Ensure BA transfer pumps and RMW pumps running.
IF NOT.
THEN reset MCC C and MCC D UV lockouts as necessary.
- 2) Place RMW flow control valve HCV-111 in MANUAL and increase RMW flow.
- 3) Increase boric acid flow as necessary.
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 34 of 42 STE ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED]
35 Check Charging Pump Suction Aligned To VCT:
- a. VCT level -
GREATER THAN 20%
- b. Verify charging pumps aligned to VCT
- a. IF VCT level can NOT be maintained greater than 5%. THEN perform the following:
- 1) Ensure charging pump suction aligned to RWST "o LCV-112B open "o LCV-112C closed
- 2) Continue with Step 36.
WHEN VCT level greater than 40%.
THEN do Step 35b.
- b. Manually align valves as necessary.
"o LCV-112C OPEN "o LCV-112B CLOSED
STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED CAUTION RCSAND RUPTURED S/G PRESSURES MUST BE MAINTAINED LESS THAN 1050 PSIG.
- 36 Control RCS Pressure And Charging Flow To Minimize RCS-To-Secondary Leakage:
- a. Perform appropriate action(s) from table:
PRZR RUPTURED S/G NARROW RANGE LEVEL LEVEL INCREASING DECREASING OFFSCALE HIGH LESS THAN 13%
o Increase Increase o Increase
[40% ADVERSE CNMT]
charging flow charging charging flow flow o Depressurize RCS o Maintain RCS and using Step 36b ruptured S/G pressure equal BETWEEN 13%
Depressurize RCS Energize Maintain RCS and
[40% ADVERSE CNMT]
using Step 36b PRZR ruptured S/G AND 50%
heaters pressure equal BETWEEN 50% AND 75% o Depressurize RCS Energize Maintain RCS and
[65% ADVERSE CNMT]
using Step 36b
- PRZR, ruptured S/G heaters pressure equal o Decrease charging flow GREATER THAN 75%
o Decrease Energize Maintain RCS and
[65% ADVERSE CNMT]
charging flow PRZR ruptured S/G heaters pressure equal
- b. Control pressure using normal PRZR spray, if available, to obtain desired results for Step 36a
- b.
IF letdown is in service, THEN use auxiliary spray (AOV-296).
IF NOT, THEN use one PRZR PORV.
37 Monitor If CNMT Spray Should Be Stopped:
- a.
CNMT spray pumps -
ANY RUNNING
- b. Verify CNMT pressure -
LESS THAN 4 PSIG
- a. Go to Step 38.
- b. Continue with Step 38.
WHEN CNMT pressure less than 4 psig, THEN do Steps 37c through f.
- c. Reset CNMT spray
- d.
Check NaOH flow (FI-930) - NO FLOW
- d. Place NaOH tank outlet valve switches to CLOSE.
"* AOV-836A
"* AOV-836B
- e.
Stop CNMT spray pumps and place in AUTO
- f.
Close CNMT spray pump discharge valves 6
0 0
6 MOV-860A MOV-860B MOV-860C MOV-860D
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 37 of 42 38 Check If Emergency D/Gs Should Be Stopped:
- a. Verify AC emergency busses energized by offsite power:
"o Emergency DIG output breakers
- OPEN "o AC emergency bus voltage GREATER THAN 420 VOLTS "o AC emergency bus normal feed breakers CLOSED
- b. Stop any unloaded emergency D/G and place in standby (Refer to Attachment D/G STOP) 39 Minimize Secondary System Contamination:
- a. Isolate reject from hotwell to CST:
"o Place hotwell level controller (LC-107) in MANUAL at 50%
"o Verify hotwell level STABLE
- b.
Check status of local actions to complete ruptured S/G isolation (Refer to Attachment RUPTURED S/G)
- a. Try to restore offsite power (Refer to ER-ELEC.l.
RESTORATION OF OFFSITE POWER).
- a. IF hotwell level increasing.
THEN direct RP to sample hotwells for activity.
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 38 of 42 40 Energize PRZR Heaters As Necessary To Saturate PRZR
--Waier At Ruptured S/G Pressure 41 Check RCP Cooling:
Establish normal cooling to RCPs (Refer to Attachment SEAL COOLING).
"o Annunciator A-7, RCP 1A CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED "o Annunciator A-15, RCP 1B CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED
- b.
Check RCP seal injection:
"o Labyrinth seal D/Ps -
GREATER THAN 15 INCHES OF WATER
-OR "o RCP seal injection flow to each RCP -
GREATER THAN 6 GPM
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 39 of 42 STEP ACTION/EXPECTED RSPONSE ESPONS OT OBTAINED
- k
- r S
S S
- r S
S S
CAUTION IF ROP SEAL COOLING HAD PREVIOUSLY BEEN LOST.
THEN THE AFFECTED RCP SHOULD NOT BE STARTED PRIOR TO A STATUS EVALUATION.
42 Check RCP Status:
- a.
RCPs AT LEAST ONE RUNNING
- a. Perform the following:
- 1) Try to start one RCP:
a) Ensure conditions for starting an RCP.
"o Bus 11A or liB energized.
"o Refer to Attachment RCP START.
b) IF RVLIS level (no RCPs) less than 95%.
THEN perform the following:
"o Increase PRZR level to greater than 65% [82%
adverse CNMT].
"o Dump steam to establish RCS subcooling based on core exit T/Cs to greater than 20'F using Figure MIN SUBCOOLING.
"o Energize PRZR heaters as necessary to saturate PRZR water c) Start one RCP.
- 2)
IF an RCP can NOT be started.
THEN verify natural circulation (Refer to Attachment NC).
IF natural circulation can NOT be verified. THEN increase dumping steam.
- b.
Stop all but one RCP
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 40 of 42 NOTE:
Adverse CNMT conditions or loss of forced air cooling may result in failure of NIS detectors.
43 Check If Source Range Detectors Should Be Energized:
- a. Source range channels DEENERGIZED
- b. Check intermediate range flux EITHER CHANNEL LESS THAN 10-10 AMPS
- c.
Check the following:
o Both intermediate range channels - LESS THAN 10-10 AMPS
-OR o
Greater than 20 minutes since reactor trip
- d.
Verify source range detectors ENERGIZED
- a.
Go to Step 43e.
- b. Perform the following:
- 1) IF neither intermediate range channel is decreasing. THEN initiate boration.
- 2) Continue with Step 44.
WHEN flux is LESS THAN 10-10 amps on any operable channel. THEN do Steps 43c through e.
- c. Continue with Step 44.
WHEN either condition met. THEN do Steps 43d and e.
- d. Manually energize source range detectors by depressing P-6 permissive defeat pushbuttons (2 of 2).
IF source ranges can NOT be restored. THEN refer to ER-NIS.1, SR MALFUNCTION and go to Step 44.
- e. Transfer Rk-45 recorder to one source range and one intermediate range channel
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 41 of 42 f STEPH ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINED[
44 Establish Normal Shutdown Alignment:
- a. Check condenser
- AVAILABLE
- b. Perform the following:
"o Open generator disconnects o 1G13A71 o 9X13A73 "o Place voltage regulator to OFF "o Open turbine drain valves "o Rotate reheater steam supply controller cam to close valves "o Place reheater dump valve switches to HAND "o Stop all but one condensate pump
- c. Verify adequate Rx head cooling:
- 1) Verify at least one control rod shroud fan -
RUNNING
- 2) Verify one Rx compartment cooling fan -
RUNNING
- a. Dispatch AO to perform Attachment SD-2.
- 1) Manually start one fan as power supply permits (45 kw)
- 2) Perform the following:
"o Dispatch AO to reset UV relays at MCC C and MCC D.
"o Manually start one fan as power supply permits (23 kw)
- d.
Verify Attachment SD-l -
COMPLETE
45 Consult TSC To Determine Appropriate Post-SGTR
- Cd-oldown Procedure:
o Go to ES-3.1. POST-SGTR COOLDOWN USING BACKFILL. Step 1
-OR o
Go to ES-3.2. POST-SGTR COOLDOWN USING BLOWDOWN.
Step 1
-OR o
Go to ES-3.3. POST-SGTR COOLDOWN USING STEAM DUMP.
Step 1
-END-
EOP:
TITLE:
REV:
32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 1 of 1 E-3 APPENDIX LIST TITLE
- 1) RED PATH
SUMMARY
FIGURE MIN ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT FOLDOUT SUBCOOLING (FIG-1.0)
CNMT RECIRC FANS (ATT-4.0)
D/G STOP (ATT-8. I)
N2 PORVS (ATT-12.0)
NC (ATT-13.0)
SEAL COOLING (ATT-15.2)
RCP START (ATT-15.0)
RUPTURED S/G (ATT-16.0)
SD-I (ATT-17.0)
SD-2 (ATT-17.1)
NO SW PUMPS (ATT-2.4)
LOSS OF OFFSITE POWER (ATT-8.5)
- 2)
- 3)
- 4)
- 5)
- 6)
- 7)
- 8)
- 9)
- 10)
- 11)
- 12)
- 13) 14)
EOP:
TITLE:
REV: 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 1 of I RED PATH
SUMMARY
- a.
SUBCRITICALITY - Nuclear power greater than 5%
- b.
CORE COOLING -
Core exit T/Cs greater than 12000F
-OR Core exit T/Cs greater than 7000F AND RVLIS level (no RCPs) less than 52% [55%
adverse CNMT]
- c.
HEAT SINK -
Narrow range level in all S/Gs less than 5%
[25% adverse CNMT] AND total feedwater flow less than 200 gpm
- d.
INTEGRITY Cold leg temperatures decrease greater than 1000F in last 60 minutes AND RCS cold leg temperature less than 2850F
- e.
CONTAINMENT -
CNMT pressure greater than 60 psig
EOP:
TITLE:
REV 32 E-3 STEAM GENERATOR TUBE RUPTURE PAGE 1 of 1 FOLDOUT PAGE
- 1.
SI REINITIATION CRITERIA Following SI termination, IF either condition listed below
- occurs, THEN start SI pumps manually as necessary and go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT SUBCOOLED RECOVERY DESIRED, Step 1:
o RCS subcooling based on core exit T/Cs -
LESS THAN 0°F USING REQUIREMENTS OF FIGURE MIN SUBCOOLING.
OR o
PRZR level -
CHARGING CAN NOT CONTROL LEVEL GREATER THAN 5% [30% adverse CNMT].
- 2.
SECONDARY INTEGRITY CRITERIA IF any S/G pressure is decreasing in an uncontrolled manner or is completely depressurized AND has not been isolated, THEN go to E-2, FAULTED S/G ISOLATION, Step 1, UNLESS faulted S/G needed for RCS cooldown.
- 3.
COLD LEG RECIRCULATION SWITCHOVER CRITERION IF RWST level decreases to less than 28%,
THEN go to ES-1.3, TRANSFER TO COLD LEG RECIRCULATION, Step 1.
- 4.
AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.I, ALTERNATE WATER SUPPLY TO AFW PUMPS).
- 5.
MULTIPLE S/G TUBE RUPTURE CRITERIA IF any intact S/G level increases in in an uncontrolled manner OR IF any intact S/G has abnormal radiation, THEN go to ECA-3.1, SGTR WITH LOSS OF REACTOR COOLANT -
SUBCOOLED RECOVERY DESIRED, Step 1.
ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER C23 RESPONSIBý MANAGER E-/T-I--R DT-EFFECTIVE DATE CA'T'EGORY
- 1. 0 REVIEWED BY:
A.
PURPOSE - This procedure provides the necessary instructions to terminate safety injection and stabilize plant conditions.
B.
ENTRY CONDITIONS/SYMPTOMS
- 1. ENTRY CONDITIONS - This procedure is entered from:
- a.
E-0, REACTOR TRIP OR SAFETY INJECTION, and E-l, LOSS OF REACTOR OR SECONDARY COOLANT, when specified termination criteria are satisfied.
- b.
FR-H.l, RESPONSE TO LOSS OF SECONDARY HEAT SINK, after secondary heat sink has been reestablished and SI has been terminated.
-ACTI0N/EXPECTED RESP.*
RESPONSE NOT OBTAIN""'I CAUTION IF OFFSITE POWER IS LOST AFTER SI RESET, THEN MANUAL ACTION MAY BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
(REFER TO ATT-8.5, ATTACHMENT LOSS OF OFFSITE POWER)
NOTE:
o FOLDOUT page should be open AND monitored periodically.
"o Critical Safety Function Status Trees should be monitored (Refer to Appendix I for Red Path Summary).
"o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+05 R/hr.
1 Reset SI 2 Reset CI:
- a. Depress CI reset pushbutton
- b. Verify annunciator A-26, CNMT
- b. Perform the following:
ISOLATION EXTINGUISHED
- 1) Reset SI.
- 2)
Depress CI reset pushbutton.
3 Maintain PRZR Pressure Between 1800 PSIG And 2235 PSIG "o Reset PRZR heaters "o Use normal PRZR spray
S ACTION/EXPECTED RESPONSE NOT OBTAINEiI 4 Verify Adequate SW Flow:
- a. Check at least two SW pumps
- a. Manually start SW pumps as power RUNNING supply permits (257 kw each).
IF less than two SW pumps running.
THEN perform the following:
- 1) Ensure SW isolation.
- 2) Dispatch AO to establish normal shutdown alignment (Refer to Attachment SD-I).
- 3)
IF NO SW pumps running, THEN refer to ATT-2.4, ATTACHMENT NO SW PUMPS.
- 4) IF only one SW pump running, THEN refer to AP-SW.2, LOSS OF SERVICE WATER.
- 5)
Go to Step 7.
b DisDatch AO to establish normal shutdown alignment (Refer to Attachment SD-i)
5 Establish IA to CNMT:
- a. Verify non-safeguards busses energized from offsite power "o Bus 13 normal feed -
CLOSED
-OR "o Bus 15 normal feed -
CLOSED
- b. Verify SW isolation valves to turbine building -
OPEN e MOV-4613 and MOV-4670
- MOV-4614 and MOV-4664
- c. Verify adequate air compressor(s)
RUNNING d
Check IA supply:
o Pressure -
GREATER THAN 60 PSIG o
Pressure STABLE OR INCREASING
- a. Perform the following:
- 1) Close non-safeguards bus tie breakers:
e Bus 13 to Bus 14 tie
- Bus 15 to Bus 16 tie
- 2) Verify adequate emergency D/G capacity to run air compressors (75 kw each).
IF NOT, THEN evaluate if CNMT RECIRC fans should be stopped (Refer to Attachment CNMT RECIRC FANS).
- 3)
WHEN bus 15 restored, THEN reset control room lighting.
- b. Manually align valves.
- c. Manually start air compressors as power supply permits (75 kw each).
IF air compressors can NOT be started, THEN dispatch AO to locally reset compressors as necessary.
- d.
Perform the following:
- 1) Continue attempts to restore IA (Refer to AP-IA.1, LOSS OF INSTRUMENT AIR).
- 2)
Continue with Step 6.
WHEN IA restored, THEN do Steps 5e and f.
6 Check If Charging Flow Has Been Established:
- a. Charging pumps ANY RUNNING
- a. Perform the following:
- b. Charging pump RWST:
suction aligned to "o LCV-112B -
OPEN "o LCV-112C -
CLOSED
- 1) IF CCW flow is lost to any RCP thermal barrier OR any RCP #1 seal outlet temperature offscale high.
THEN dispatch AO with key to RWST gate to close seal injection needle valve(s) to affected RCP:
- RCP A.
V-300A
- RCP B.
V-300B
- 2) Ensure HCV-142 open, demand at 0%.
- b. Manually align valves as necessary.
IF LCV-112B can NOT be opened.
THEN dispatch AO to locally open manual charging pump suction from RWST (V-358 located in charging pump room).
IF LCV-112C can NOT be closed, THEN perform the following:
- 1) Verify charging pump A NOT running and place in PULL STOP.
- 2) Direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).
- c.
Start charging pumps as necessary and adjust charging flow to restore PRZR level
7 Stop SI And RHR Pumps And Place In AUTO
- 8 Monitor SI Reinitiation Criteria:
- a.
RCS subcooling based on core exit T/Cs -
GREATER THAN 0°F USING FIGURE MIN SUBCOOLING
- b.
PRZR level GREATER THAN 5%
130% adverse CNMT]
- a. Manually start SI pumps as necessary and go to E-1.
LOSS OF REACTOR OR SECONDARY COOLANT.
Step 1.
- b. Control charging flow to maintain PRZR level.
IF PRZR level can NOT be maintained.
THEN manually start SI pumps as necessary and go to E-1.
LOSS OF REACTOR OR SECONDARY COOLANT.
Step 1.
STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINEDI
- 9 Monitor If CNMT Spray Should Be Stopped:
- a.
CNMT spray pumps RUNNING
- b.
Check CNMT pressure - LESS THAN 4 PSIG
- a.
Go to Step 10.
- b. Continue with Step 10.
WHEN CNMT pressure less than 4 psig, THEN do Steps 9c through f.
- c. Reset CNMT spray
- d.
Check NaOH flow (FI-930)
NO FLOW
- d. Place NaOH tank outlet valve switches to CLOSE.
"* AOV-836A
"* AOV-836B
- e. Stop CNMT spray pumps and place in AUTO
- f.
Close CNMT spray pump discharge valves
- MOV-860A
- MOV-860B
- MOV-860C
- MOV-860D
SSTEP ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINEDI 10 Verify MRPI CONTROL AND
- BOTTOM Indicates ALL SHUTDOWN RODS ON IF one or more control rods NOT fully inserted, THEN perform the following:
- a. Place RMW mode selector switch to BORATE.
- b. Adjust boric acid flow control valve. FCV-l10A, for desired flowrate.
- c. Set boric acid integrator to desired amount (650 gallons for each control rod not fully inserted).
- d. Place RMW control to start and verify flow.
IF flow can NOT be established, THEN refer to ER-CVCS.I.
REACTOR MAKEUP CONTROL MALFUNCTION.
11 Establish Condenser Steam Dump Pressure Control:
- a. Verify condenser available:
"o Any MSIV -
OPEN "o Annunciator G-15, STEAM DUMP ARMED
- LIT
- b. Adjust condenser steam dump controller HC-484 to desired pressure and verify in AUTO.
- c. Place steam dump mode selector switch to MANUAL.
- a. Place S/G ARV controllers in AUTO at desired pressure and go to Step 12.
SE ACTION/EXPECTED RESPONSEI RESPONSE NO0BTAINEDI 12 Verify Adequate CCW Hx:
- a. Manually start pumps as power supply permits (257 kw each).
IF less than two SW pumps can be operated.
THEN perform the following:
- 1) IF NO SW pumps running, THEN refer to ATT-2.4.
ATTACHMENT NO SW PUMPS.
- 2)
IF only one SW pump running.
THEN refer to AP-SW.2.
LOSS OF SERVICE WATER.
- 3)
Go to Step 18.
- b. Verify AUX BLDG SW isolation valves OPEN
- b. Manually align valves.
- MOV-4615 and MOV-4734 o MOV-4616 and MOV-4735 c
Verify CNMT RECIRC fan annunciator C-2, HIGH TEMPERATURE ALARM - EXTINGUISHED
- c. Manually start an additional SW pump as power supply permits (257 kw each).
SE ACTION/EXPECTED RESPONSEI RESPONSE NOT OTAINED 13 Check If Normal CVCS Operation Can Be Established
- a. Verify IA restored:
OPEN "o IA pressure GREATER THAN 60 PSIG
- b. Verify instrument bus D ENERGIZED
- c.
CCW pumps ANY RUNNING
- d.
Charging pump - ANY RUNNING
- a. Continue with Step 18.
WHEN IA can be restoredTHEN do Steps 13 through 17.
- b. Energize MCC B.
IF MCC B NOT available, THEN perform the following:
- 1) Verify MCC A energized.
- 2)
Place instrument bus D on maintenance supply.
- c. Perform the following:
- 1) IF any RCP #1 seal outlet temperature offscale high, THEN isolate CCW to thermal barrier of affected RCP(s).
e RCP A. MOV-749A and MOV-759A e RCP B. MOV-749B and MOV-759B
- 2) Manually start one CCW pump.
- d.
Continue with Step 18.
WHEN any charging pump running. THEN do Steps 14 through 17.
SE ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINEDI 14 Verify PRZR Level -
GREATER THAN 13% [40% adverse CNMT]
15 Establish Normal Letdown:
- a. Establish charging line flow to REGEN Hx -
GREATER THAN 20 GPM
- b. Place the following switches to CLOSE:
o Letdown orifice valves (AOV-200A, AOV-200B, and AOV-202) o AOV-371, letdown isolation valve e AOV-427.
loop B cold leg to REGEN Hx
- c.
Place letdown controllers in MANUAL at 40% open e TCV-130 o PCV-135
- d.
Reset both trains of XY relays for AOV-371 and AOV-427
- e.
Open AOV-371 and AOV-427
- f. Open letdown orifice valves as necessary
- g.
Place TCV-130 in AUTO at 105°F
- h.
Place PCV-135 in AUTO at 250 psig
- i.
Adjust charging pump speed and HCV-142 as necessary to control PRZR level Continue with Step 16.
WHEN PRZR level increases to greater than 13%
[40% adverse CNMT].
THEN do Step 15.
IF RCP seal return has been established, THEN establish excess letdown as follows:
"o Place excess letdown divert valve, AOV-312.
to NORMAL.
"o Ensure CCW from excess letdown
- open, (AOV-745).
"o Open excess letdown isolation valve AOV-310.
Slowly open HCV-123 to maintain excess letdown temperature less than 195°F and pressure less than 100 psig.
"o Adjust charging pump speed as necessary.
IF RCP seal return NOT established, THEN consult Plant Staff to determine if excess letdown should be placed in service.
-FACTION/EXPECTED RESOSE RESPONSE NOT OBTAI"ED 16 Check VCT Makeup System:
- a. Adjust boric acid flow control valve in AUTO to 9.5 gpm
- b. Adjust RMW flow control valve in AUTO to 40 gpm
- c. Verify the following:
- c. Adjust controls as necessary.
- 1) RMW mode selector switch in AUTO
- 2)
RMW control armed RED LIGHT LIT
- d.
Check VCT level:
"o Level GREATER THAN 20%
- OR "o Level
- STABLE OR INCREASING
- d.
Manually increase VCT makeup flow as follows:
- 1) Ensure BA transfer pumps and RMW pumps running.
IF NOT, THEN dispatch AO to locally reset MCC C and MCC D UV lockouts as necessary.
- 2)
Place RMW flow control valve HCV-111 in MANUAL and increase RMW flow.
- 3) Increase boric acid flow as necessary.
SE ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINEDI 17 Check Charging Pump Aligned To VCT:
- a.
VCT level GREATER THAN 20%
- b. Verify charging pumps aligned to VCT
- a.
IF VCT level can NOT be maintained greater than 5%. THEN perform the following:
- 1) Ensure charging pump suction aligned to RWST o
LCV-112B open o
LCV-112C closed
- 2) Continue with Step 18.
WHEN VCT level greater than 40%.,
THEN do Step 17b.
- b. Manually align valves as necessary.
o LCV-112C - OPEN o
LCV-112B -
CLOSED 18 Check RCS Hot Leg Temperatures -
STABLE Control steam dump and total feed flow as necessary to stabilize RCS temperature.
Suction
NOTE:
o WHEN using a PRZR PORV.
THEN select one with an operable block valve.
o If auxiliary spray is in use, spray flow may be increased by closing normal charging valve AOV-294 and normal PRZR spray valves.
19 Control PRZR Heaters And Operate Normal Spray To Stabilize RCS Pressure IF normal spray NOT available and letdown is in service. THEN perform the following:
- a. Verify Regen Hx Chg outlet temp to PRZR Vapor temp AT less than 320 0 F.
IF NOT.
THEN control pressure using one PRZR PORV and go to Step 20.
- b. Control pressure using auxiliary spray.
IF auxiliary spray NOT available.
THEN use one PRZR PORV.
NOTE:
TDAFW pump flow control AOVs may drift open on loss of IA.
- 20 Monitor Intact S/G Levels:
- a.
Narrow range level GREATER THAN 5% [25% adverse CNMT]
- b. Control feed narrow range 125% adverse flow to maintain level between 17%
CNMT] and 50%
- a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5% 125%
adverse CNMT]
in at-least one S/G.
- b. IF narrow range level in any S/G continues to increase.
THEN stop feed flow to that S/G.
SE ACTION/EXPECTED RESPONSE[
RESPONSE NOT OBTAINED[
NOTE:
SW should be aligned to CCW Hxs before restoring RCP seal cooling.
21: Check RCP Cooling:
Establish normal cooling to RCPs (Refer to Attachment SEAL COOLING).
"o Annunciator A-7, RCP 1A CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED "o Annunciator A-15, RCP 1B CCW RETURN HIGH TEMP OR LOW FLOW EXTINGUISHED
- b. Check RCP seal injection:
o Labyrinth seal D/Ps GREATER THAN 15 INCHES WATER
-OR o
RCP seal injection flow to each RCP GREATER THAN 6 GPM
) LX
-ACTION
/EXPECTED RSOEI RESPONSE NOTOBAND 22 Check If Seal Return Flow Should Be Established:
- a. Verify RCP #1 seal outlet temperature - LESS THAN 235°F
- b. Verify RCP seal outlet valves OPEN
- AOV-270A
- AOV-270B
- c. Reset both trains of XY relays for RCP seal return isolation valve MOV-313
- d.
Open RCP seal return isolation valve MOV-313
- e. Verify RCP #1 seal leakoff flow LESS THAN 6.0 GPM
- f. Verify RCP #1 seal leakoff flow GREATER THAN 0.8 GPM
- a.
Go to Step 23.
- b. Manually open valves as necessary.
- d. Perform the following:
- 1) Place MOV-313 switch to OPEN.
- e. Perform the following:
- 1) Trip the affected RCP
- 2) Allow 4 minutes for pump coast down, THEN close the affected RCP seal discharge valve.
o RCP A. AOV-270A o RCP B. AOV-270B IF both RCP seal discharge valves are shut, THEN go to Step 23.
- f.
Refer to AP-RCP.I, RCP SEAL MALFUNCTION.
E ACTION/EXPECTED RESPOSE I I RESPONSE NOT OBTAINED 23 Verify All AC Busses ENERGIZED BY OFFSITE POWER o
Normal feed breakers to all 480 volt busses CLOSED o
480 volt bus voltage -
GREATER THAN 420 VOLTS o
Emergency D/G output breakers OPEN Perform the following:
- a. IF any AC emergency bus normal feed breaker open.
THEN ensure associated D/G breaker closed.
- b. Perform the following as necessary:
- 1) Close non-safeguards bus tie breakers:
"* Bus 13 to Bus 14 tie
"* Bus 15 to Bus 16 tie
- 2) Reset Bus 13 and Bus 15 lighting breakers.
- 4) Place the following pumps in PULL STOP:
"* EH pumps
"* Turning gear oil pump
"* HP seal oil backup pump
- 5) Restore power to MCCs.
"* A from Bus 13
"* B from Bus 15
"* E from Bus 15
"* F from Bus 15
- 6) Start HP seal oil backup pump.
- 7) Start CNMT RECIRC fans as necessary.
- 8) Ensure D/G load within limits.
- 9) Refer to Attachment SI/UV for other equipment lost with loss of offsite power.
- c.
Try to restore offsite power to all AC busses (Refer to ER-ELEC.l.
RESTORATION OF OFFSITE POWER).
NOTE:
Adverse CNMT conditions or loss of forced air cooling may result in failure of NIS detectors.
24 Check If Source Range Channels Should Be Energized:
- a. Source range channels DEENERGIZED
- b.
Check intermediate range flux EITHER CHANNEL LESS THAN I0-10 AMPS
- c.
Check the following:
"o Both intermediate range channels -
LESS THAN 10-10 AMPS
-OR "o Greater than 20 minutes since reactor trip Verify source range detectors ENERGIZED
- a.
Go to Step 24e.
- b. Perform the following:
- 1) IF neither intermediate range channel is decreasing.
THEN initiate boration.
- 2) Continue with Step 25.
WHEN flux is LESS THAN 10-10 amps on any operable channel.
THEN do Steps 24c.
d and e.
- c. Continue with step 25.
WHEN either condition met.
THEN do Steps 24d and e.
- d. Manually energize source range detectors by depressing P-6 permissive defeat pushbuttons (2 of 2).
IF source ranges can NOT be restored, THEN refer to ER-NIS.1, SR MALFUNCTION, and go to Step 25.
- e. Transfer Rk-45 recorder to one source range and one intermediate range channel
S~~ACTION/EXPECTED RESPNE RESPONSE NOT OBTAINEDI 25 Check If Emergency D/Gs Should Be Stopped:
- a. Verify AC emergency busses
- a. Try to restore offsite power energized by offsite power:
(Refer to ER-ELEC.1, RESTORATION OF OFFSITE POWER).
"o Emergency D/G output breakers OPEN "o AC emergency bus voltage GREATER THAN 420 VOLTS "o AC emergency bus normal feed breakers CLOSED
- b. Stop any unloaded emergency D/G and place in standby (Refer to Attachment D/G STOP)
- ..X.
.....I.
- . O S A CAUTION IF RCP SEAL COOLING HAD PREVIOUSLY BEEN LOST, THEN THE AFFECTED RCP SHOULD NOT BE STARTED PRIOR TO A STATUS EVALUATION.
26 Check RCP Status -
AT LEAST Perform the following:
ONE RUNNING
THEN perform the following:
"o Increase PRZR level to greater than 65% (82% adverse CNMT).
Dump steam to establish RCS subcooling based on core exit T/Cs to greater than 20'F using Figure MIN SUBCOOLING.
"o Energize PRZR heaters as necessary to saturate PRZR water.
- b. Establish conditions for starting an RCP:
"o Verify bus 11A or 1IB energized.
"o Refer to Attachment RCP START.
- c. Start one RCP.
IF an RCP can NOT be started, THEN verify natural circulation (Refer to Attachment NC).
IF natural circulation NOT verified. THEN increase dumping steam from intact S/Gs.
STE ACTION/EXPECTED RESPONSEI IRESPONSE NOT OBTAINED 27 Establish Normal Shutdown Alignment:
- a. Check condenser -
AVAILABLE
- b. Perform the following:
"o Open generator disconnects
"* IG13A71
"* 9X13A73 "o Place voltage regulator to OFF "o Open turbine drain valves "o Rotate reheater steam supply controller cam to close valves "o Place reheater dump valve switches to HAND "o Stop all but one condensate pump
- c. Verify adequate Rx head cooling:
- 1) Verify at least one control rod shroud fan - RUNNING
- 2) Verify one Rx compartment cooling fan -
RUNNING
- a. Dispatch AO to perform Attachment SD-2.
- 1) Manually start one fan as power supply permits (45 kw)
- 2)
Perform the following:
o Dispatch AO to reset UV relays at MCC C and MCC D.
o Manually start one fan as power supply permits (23 kw)
- d.
Verify Attachment SD COMPLETE
S~~ACTION/EXPECTED RS0EIIRESPONSE NOT 0BTAIN[ýýI 28 Maintain Plant Conditions Stable:
- a.
RCS pressure -
BETWEEN 1800 PSIG AND 2235 PSIG
- b.
PRZR level -
BETWEEN 35% AND 40%
- c. Intact S/G narrow range levels BETWEEN 17% AND 52%
- d.
RCS cold leg temperature -
STABLE
- 29 Monitor SI Reinitiation Criteria:
- a.
RCS subcooling based on core exit T/Cs GREATER THAN 0°F USING FIGURE MIN SUBCOOLING
- b.
PRZR level GREATER THAN 5%
[30% adverse CNMT]
- a. Control PRZR heaters and spray as necessary.
- b. Control charging as necessary.
- c. Control S/G feed flow as necessary.
- d. Control dumping steam as necessary.
IF cooldown continues, THEN close both MSIVs.
- a. Manually start SI pumps as necessary and go to E-1, LOSS OF REACTOR OR SECONDARY COOLANT, Step 1.
- b. Control charging flow to maintain PRZR level.
IF PRZR level can NOT be maintained, THEN manually start SI pumps as necessary and go to E-1. LOSS OF REACTOR OR SECONDARY COOLANT, Step 1.
30 Implement Plant Recovery Procedures:
- a. Review plant systems for realignment to normal conditions (Refer to ATT-26.0.
ATTACHMENT RETURN TO NORMAL OPERATIONS)
- b.
Go to 0-2.1.
NORMAL SHUTDOWN TO HOT SHUTDOWN
-END-
ES-1i-APPENDIX LIST TITLE
- 1)
RED PATH
SUMMARY
FIGURE MIN ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT FOLDOUT SUBCOOLING (FIG-i.0)
CNMT RECIRC FANS (ATT-4.0)
D/G STOP (ATT-8. 1)
NC (ATT-13.0)
SEAL COOLING (ATT-15.2)
RCP START (ATT-15.0)
SD-I (ATT-17.0)
SD-2 (ATT-17.1)
SI/UV (ATT -8.4)
NO SW PUMPS (ATT-2.4)
RETURN TO NORMAL OPERATIONS (ATT-26.0)
LOSS OF OFFSITE POWER (ATT-8.5)
- 2)
- 3)
- 4)
- 5)
- 6)
- 7)
- 8)
- 9)
- 10)
- 11)
- 12)
- 13) 14)
[OF:
TITLE:
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23 ES-1.1 SI TERMINATION PAGE 1 of 1 RED PATH
SUMMARY
- a.
SUBCRITICALITY - Nuclear power greater than 5%
- b.
CORE COOLING -
Core exit T/Cs greater than 1200'F
-OR Core exit T/Cs greater than 7000F AND RVLIS level (no RCPs) less than 52% [55%
adverse CNMT]
- c.
HEAT SINK -
Narrow range level in all S/Gs less than 5%
[25% adverse CNMT] AND total feedwater flow less than 200 gpm
- d.
INTEGRITY -
Cold leg temperatures decrease greater than 1000F in last 60 minutes AND RCS cold leg temperature less than 2850F
- e.
CONTAINMENT -
CNMT pressure greater than 60 psig
FOLDOUT PAGE 1;
SI REINITIATION CRITERIA IF EITHER condition listed below occurs, THEN manually start SI pumps as necessary and go to E-l, LOSS OF REACTOR OR SECONDARY
- COOLANT, Step 1:
"o RCS subcooling based on core exit T/Cs -
LESS THAN 00 F USING FIGURE MIN SUBCOOLING OR "o
PRZR level -
CHARGING CAN NOT CONTROL LEVEL GREATER THAN 5%
[30% adverse CNMT]
- 2.
SECONDARY INTEGRITY CRITERIA IF any S/G pressure is decreasing in an uncontrolled manner or is completely depressurized AND has not been isolated, THEN go to E-2, FAULTED S/G ISOLATION, Step 1.
- 3.
AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.1, ALTERNATE WATER SUPPLY TO AFW PUMPS).
ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER RESPONSIB 1 MANAGER E-/FET 0
D6ca EFFECTIVE DATE CATEGORY 1.0 REVIEWED BY:___________
A.
PURPOSE -
This procedure provides the necessary instructions for transferring the Safety Injection system and Containment Spray system to recirculation modes of operation.
B.
ENTRY CONDITIONS/SYMPTOMS
- 1. ENTRY CONDITIONS - This procedure may be entered from:
- a.
E-1, LOSS OF REACTOR OR SECONDARY COOLANT, or,
- b.
ECA-0.2, LOSS OF ALL AC POWER RECOVERY WITH SI
- REQUIRED, or,
- c.
ECA-2.1, UNCONTROLLED DEPRESSURIZATION OF BOTH STEAM GENERATORS, or,
- d.
FR-C.l, RESPONSE TO INADEQUATE CORE COOLING, or,
- e.
FR-C.2, RESPONSE TO DEGRADED CORE COOLING, or,
- f.
FR-C.3, RESPONSE TO SATURATED CORE COOLING, or,
- g.
FR-H.1, RESPONSE TO LOSS OF SECONDARY HEAT SINK, or,
- h.
FR-Z.l, RESPONSE TO HIGH CONTAINMENT PRESSURE, on low RWST level.
- i.
Other procedures whenever RWST level reaches the switchover setpoint (28%).
EOP:
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34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 3 of 22 A
O.P.RPSREO NOT OBTAINED CAUTION o-IF OFFSITE POWER IS LOST AFTER SI RESET, THEN MANUAL ACTION MAY BE REQUIRED TO RESTART SAFEGUARDS EQUIPMENT.
(REFER TO ATT-8.5, ATTACHMENT LOSS OF OFFSITE POWER) o CONSULT WITH RADIATION PROTECTION BEFORE DISPATCHING PERSONNEL TO AUXILIARY BUILDING.
SWITCHOVER TO RECIRCULATION MAY CAUSE HIGH RADIATION LEVELS.
NOTE:
o FOLDOUT page should be open and monitored periodically.
o Adverse CNMT values should be used whenever CNMT pressure is greater than 4 psig or CNMT radiation is greater than 10+05 R/hr.
1 Verify RWST level GREATER THAN 15%
AT LEAST 113 INCHES IF sump recirculation NOT in progress, THEN pull-stop all pumps taking suction from RWST, EXCEPT one SI pump AND go to ECA-1.1, LOSS OF EMERGENCY COOLANT RECIRCULATION, Step 1.
IF RWST level is less than 28% AND CNMT sump B level is less than 113 inches, THEN go to ECA-1.2, LOCA OUTSIDE CONTAINMENT, Step 1.
NOTIE:
Steps 3 through 13 should be performed without delay.
FR procedures should not be implemented prior to completion of these steps.
3 Reset SI
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34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 4 of 22 NOTE:
IF D/Gs supplying emergency AC busses, THEN non-essential loads may be shed as necessary to allow start of additional SW pumps.
4 Establish Adequate SW Flow:
- a. Verify at least two SW pumps RUNNING
- b. Verify AUX BLDG SW isolation valves -
OPEN
- a. Start additional SW pumps as power supply permits (257 kw each).
IF only 1 SW pump
- operable, THEN perform the following:
- 2)
Go to Step 5.
- b. Manually align valves.
"* MOV-4615 and MOV-4734
"* MOV-4616 and MOV-4735
SW DISCHARGE CCW HXs IN REQUIRED SW FLOW ALIGNMENT SERVICE Normal 2
Total of 5000 -
6000 gpm equally divided to both HXs Normal 1
5000 6000 gpm to in-service HX Alternate 2
30-33" d/p across each HX Alternate 1
95-100" d/p across in-service HX
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34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 5 of 22 (Step 4 continued from previous page)
-OR "o IF on alternate SW discharge:
"* V-4620B.
- e.
IF the required SW flow can NOT be obtained.
THEN perform the following:
- MOV-4609/MOV-4780
- AT LEAST ONE CLOSED
- MOV-4663/MOV-4733 AT LEAST ONE CLOSED
a SFP Hx A (V-4622)
(for alternate SW discharge use V-4622A) e SFP Hx B (V-8689)
- 4) Verify SW portions of Attachment SD-i are complete.
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34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 6 of 22 STEP ACTION/EXPECTE oSPONSE RESPNSE NOT OBTAINED 5 Establish CCW flow to RHR Hxs:
- a. Check both CCW pumps -
RUNNING
- a. Perform the following:
- 1) Start CCW pumps as power supply permits (122 kw each).
- 2)
IF both CCW pumps are running. THEN go to step 5b.
- 3)
IF only one CCW pump is running. THEN perform the following:
a) Direct AO to isolate CCW to boric acid evaporator o
Close V-760A b) Manually open CCW MOV to only one operable RHR loop.
"o Open MOV-738A
-OR "o Open MOV-738B c) Go to step 6.
"* MOV-738A
"* MOV-738B
- b. Dispatch AO to locally open valves.
O X C* O R N O *A CAUTION o-THE RHR HX OUTLET VALVES (HCV-624 AND HCV-625)
WILL FAIL OPEN ON LOSS OF INSTRUMENT AIR PRESSURE.
o CONSULT WITH RADIATION PROTECTION BEFORE DISPATCHING PERSONNEL TO AUXILIARY BUILDING.
SWITCHOVER TO RECIRCULATION MAY CAUSE HIGH RADIATION LEVELS.
6 Check RHR Flow:
o RHR flow - LESS THAN 1500 GPM PER OPERATING PUMP Manually adjust RHR Hx outlet valves equally to reduce flow to less than 1500 gpm per operating pump
"* RHR Hx A. HCV-625
"* RHR Hx B. HCV-624 IF flow can NOT be reduced manually.
THEN dispatch an AO with locked valve key to locally adjust RHR Hx outlet valve handwheels equally to reduce flow.
"* RHR Hx A. HCV-625 handwheel
"* RHR Hx B, HCV-624 handwheel
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34 ES-I.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 8 of 22 STP ACTION/EXPECTED RESPONSEI RESPONSE NOT OBTAINEDI 7
- a. Go to Step 7c.
- d. Pull stop any idle CNMT spray pump and go to Step 7f.
- f.
Go to Step 8.
Check IF Unnecessary Pumps Can Be Stopped:
- a. Three SI pumps -
RUNNING
- b. Stop SI pump C and place both switches in PULL STOP
- c. Stop both RHR pumps and place in PULL STOP
- d. Both CNMT spray pumps -
RUNNING
- e. Pull stop one CNMT spray pump
- f.
Check CNMT pressure -
LESS THAN 28 PSIG.
- g. Place NaOH Tank outlet valve switches to OPEN.
e AOV-836A
- AOV-836B
- h. Reset CNMT spray
- i.
Close discharge valves for idle CNMT spray pump(s)
"o Pump A
- MOV-860A e MOV-860B "o Pump B
"* MOV-860C
"* MOV-860D
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REV:
34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION "PAGE 9 of 22 8 Verify RHR System Alignment:
- a. Verify the following valves CLOSED "o RHR suction valves from loop A hot leg
"* MOV-700
"* MOV-701 "o RHR discharge valves to loop B cold leg
"* MOV-720
"* MOV-721
- b. Verify RHR pump suction crosstie valves OPEN
- MOV-704A
- MOV-704B
- c. Verify the following valves OPEN "o RHR pump discharge to Rx vessel deluge valves
"* MOV-852A
"* MOV-852B "o RHR suction from sump B (inside CNMT) e MOV-851A
- MOV-851B
- d.
Verify RCDT pump suction valves from sump B CLOSED
- a. Ensure at least one suction valve and one discharge valve closed.
- b. Manually open valves.
If valves can NOT be opened.
THEN dispatch AO to locally open valves.
- c. Ensure at least one valve in each set open.
- d. Manually close valves.
a MOV-1813A
- MOV-1813B
X
- O*
S*0
- O 0
- A * * *S
- CAUTION RFR FLOW INDICATED ON FI-626 SHOULD BE LIMITED TO 1500 GPM PER OPERATING PUMP TO ENSURE OPTIMUM PUMP PERFORMANCE.
9 Initiate RHR Sump Recirculation:
OPEN o
MOV-850B OPEN
- c.
Check MOV-738A AND MOV-738B BOTH OPEN
- a. Dispatch AO to locally close valve and continue with Step 9b.
- b. IF only one valve will open, THEN perform the following:
- 1) Initiate only one train of RHR recirculation (Refer to Attachment RHR NPSH for further guidance).
- 2)
Go to 9e.
IF neither valve will open.
THEN refer to Attachment RHR PRESS REDUCTION for further guidance.
- c. Perform the following:
- 1) IF MOV-738A open. THEN start RHR Pump A and go to step 9e.
- 2)
IF MOV-738B open, THEN start RHR Pump B and go to step 9e.
- d. Start both RHR pumps
- e. Verify at least one RHR pump RUNNING
- e. IF no RHR pump can be started, THEN go to ECA-1.1, LOSS OF EMERGENCY COOLANT RECIRCULATION, Step 1.
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TITLE:
REV: 3 4 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 11 of 22 CAUTION SUMP RECIRCULATION FLOW TO RCS MUST BE MAINTAINED AT ALL TIMES.
EXCEPT DURING ALIGNMENT FOR HIGH HEAD RECIRCULATION.
NOTE:
The TSC should be requested to establish periodic monitoring of the AUX BLDG sub-basement, as radiological conditions permit, to monitor RHR pump operation.
10 Check RWST Level -
LESS THAN 15%
11 Stop All Pumps Supplied From RWST:
- a. Stop all SI pumps and place in PULL STOP
- b. Stop all charging pumps
- c.
Stop operating CNMT spray pump and place in PULL STOP
- d.
Check CNMT pressure - LESS THAN 28 PSIG
- e. Reset CNMT spray if necessary
- f.
Close CNMT spray pump discharge valves
"* MOV-860A
"* MOV-860B
"* MOV-860C
"* MOV-860D DO NOT continue with this procedure until RWST level is less than 15%.
- d.
Go to Step 12.
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TITLE:
REV: 34 I
ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 12 of 22
.....................*.O.
0*I*IO A
CAUTION RHR FLOW MUST BE MAINTAINED LESS THAN 1500 GPM PER OPERATING RHR PUMP AS DETERMINED BY THE TOTAL OF FI-931A. FI-931B AND FI-626 INDICATIONS.
12 Align SI And CNMT Spray For Sump Recirculation:
- a. Verify SI pump suction valves from BASTs -
CLOSED
- a. Ensure at least one valve in each flowpath closed.
- MOV-826A and MOV-826B
- MOV-826C and MOV-826D
- b.
Close RWST outlet valves to SI and CNMT spray pumps (turn on DC power key switches)
- b. Ensure at least one valve closed.
- MOV-896A
- MOV-896B
- c.
Close SI pump RECIRC valves
- c. Ensure at least one valve closed.
- MOV-898
- MOV-897
OPEN
- d.
Ensure at least one valve open.
o MOV-825A o MOV-825B
"o IF RHR Pump A operating, THEN open MOV-857A and MOV-857C "o IF RHR Pump B operating, THEN open MOV-857B
- e. Ensure at least one flowpath aligned from RHR pump(s) to SI and CS pump suction header (Refer to Attachment RHR SYSTEM).
IF neither flow path can be
- aligned, THEN refer to Attachment RHR PRESS REDUCTION for further guidance.
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TITLE:
REV: 34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 13 of 22 SACTONIXPETEO E*PNSRES PýONSE NýOT OBTAINEýD ý CAUTION SI PUMPS SHOULD BE STOPPED IF RCS PRESSURE IS GREATER THAN THEIR SHUTOFF HEAD PRESSURE.
NOTE:
Operation of SI pump C is preferred since it delivers to both RCS loops.
13 Verify Adequate RCS Makeup Flow:
- a. RCS pressure
- LESS THAN 225 psig [425 psig adverse CNMT]
- b.
RHR injection flow adequate:
o Core exit T/Cs LESS THAN REQUIREMENTS OF FIGURE RHR INJECTION o
Check RVLIS level (no RCPS)
GREATER THAN 52% [55% adverse CNMT]
- a. Perform the following:
- 1) Check RCS conditions:
"o RCS subcooling based on core exit T/Cs greater than Figure MIN SUBCOOLING.
"o PRZR level greater than 5%
[30% adverse CNMT].
IF either condition NOT met.
THEN start one SI pump.
- 2)
Go to Step 14.
- b. Start one SI pump.
°
ACTION/.....TED
- P*R O
NOT OTIE CAUTION IF A CNMT SPRAY PUMP IS STARTED, THEN CNMT PRESSURE SHOULD BE CLOSELY MONITORED.
CNMT PRESSURE SHOULD NOT BE REDUCED TO LESS THAN 22 PSIG.
"*14 Check If CNMT Spray Is Required:
- a.
CNMT pressure GREATER THAN 28 PSIG
- a. Perform the following:
- 1) IF CNMT spray previously actuated and NaOH tank level greater than 55%.
THEN consult TSC to determine if CNMT spray should be restarted.
- 2)
Go to Step 15.
- b. Verify CNMT spray pump discharge valves OPEN
"* MOV-860A
"* MOV-860B
"* MOV-860C
"* MOV-860D
- c. Start selected CNMT spray pump
- b. Manually open valve(s) for selected pump.
"* CS pump A. MOV-860A or MOV-860B
"* CS pump B. MOV-860C or MOV-860D
IF neither pump will start. THEN continue with Step 15.
WHEN a CNMT spray pump can be started, THEN do steps 14d, e and f.
- d.
Adjust RHR flow to maintain less than 1500 gpm per operating RHR pump as indicated by the total of FI-931A, FI-931B and FI-626 indications.
This Step continued on the next page.
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TITLE:
REV: 34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 15 of 22 (Step 14 continued from previous page)
- e. Verify NaOH flow (FI-930)
- e.
IF NaOH flow NOT indicated, THEN place switches for NaOH tank outlet valves to OPEN.
AOV-836A
"* AOV-836B
- f.
WHEN CNMT pressure decreases to 22 psig, THEN perform the following:
- 1) Reset CNMT spray
- 2)
Check NaOH tank outlet valves CLOSED
- 2) Place NaOH tank outlet valve controllers to MANUAL and close valves.
"* AOV-836A
"* AOV-836B
- 3)
Stop CNMT spray pumps and place in PULL STOP
- 4)
Close CNMT spray pump discharge valves e MOV-860A a MOV-860B e MOV-860C
- MOV-860D 15 Verify Adequate Core Cooling:
"o Core exit T/Cs - STABLE OR DECREASING "o RVLIS level (no RCPs)
- STABLE OR INCREASING "o RVLIS level (no RCPs)
GREATER THAN 52% [55% adverse CNMT]
IF both RHR pumps running. THEN ensure two SI pumps running.
IF only one RHR pump running. THEN perform the following:
- a. Ensure one SI pump running.
- b.
WHEN CNMT spray pumps stopped,.
THEN start one additional SI pump.
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TITLE:
REV: 34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION o.*,PAGE 16 of 22 ATIOIEXECTE REPONE IRESP0*NSE NýOTO0*TAINEýD l NOTE:
TDAFW pump flow control AOVs may drift open on loss of IA.
- 16-Monitor Intact S/G Levels:
- a.
Narrow range level GREATER THAN 5% [25% adverse CNMT]
- a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5% [25%
adverse CNMT] in at least one SIG.
- b. Control feed flow to maintain narrow range level between 17%
[25% adverse CNMT] and 50%
I
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TITLE:
R3 ES-l.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 17 of 22 STEP ACTION/EXPECTED RESPONSE REISPONSE NOT OTAINEDI 17 Establish Normal Shutdown Alignment:
- a. Check condenser - AVAILABLE
- b. Perform the following:
"o Open generator disconnects
"* 1G13A71
"* 9X13A73 "o Place voltage regulator to OFF "o Open turbine drain valves "o Rotate reheater steam supply controller cam to close valves "o Place reheater dump valve switches to HAND "o Stop all but one condensate pump
- c. Verify adequate Rx head cooling:
- 1) Verify at least one control rod shroud fan -
RUNNING
- 2) Verify one Rx compartment cooling fan -
RUNNING
- a. Dispatch AO to perform Attachment SD-2.
- 1) Manually start one fan as power supply permits (45 kw)
- 2) Perform the following:
"o Dispatch AO to reset UV relays at MCC C and MCC D.
"o Manually start one fan as power supply permits (23 kw)
- d. Verify Attachment SD-i COMPLETE
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TITLE:
REV:
34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION 1,
PAGE 18 of 22
- STEPH ACTION/EXPECTED RESP0ON I
I RESPONSE NOT OBTAINEDI 18 Check If Emergency D/Gs Should Be Stopped:
- a. Verify AC emergency busses energized by offsite power:
"o Emergency D/G output breakers OPEN "o AC emergency bus voltage GREATER THAN 420 VOLTS "o AC emergency bus normal feed breakers CLOSED
- b. Stop any unloaded emergency D/G and place in standby (Refer to Attachment D/G STOP)
- a. Try to restore offsite power (Refer to ER-ELEC.1.
RESTORATION OF OFFSITE POWER).
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TITLE:
REV:
34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 19 of 22 S~~ACTION/EXPECTED REP SIISPONSE NOT OBTAItNS01 19 Check If SI ACCUMs Should Be Isolated:
- a. Both RCS hot leg temperatures LESS THAN 400°F
- b. Dispatch AO with locked valve key to locally close breakers for SI ACCUM discharge valves e MOV-841, MCC C position 12F
- MOV-865, MCC D position 12C
- c. Close SI ACCUM discharge valves
- ACCUM A, MOV-841
- ACCUM B. MOV-865
- a. Continue with Step 20.
WHEN both RCS hot leg temperatures less than 400°F, THEN do Steps 19b through d.
- c. Vent any unisolated ACCUMs:
- 1) Open vent valves for unisolated SI ACCUMs.
"* ACCUM A. AOV-834A
"* ACCUM B. AOV-834B
- 2)
Open HCV-945.
- d. Locally reopen breakers for MOV-841 and MOV-865
X
- R**
O O *
- CAUTION IF FUEL DAMAGE IS SUSPECTED, MAINTAIN SIG PRESSURE SLIGHTLY GREATER THAN RCS PRESSURE.
20 Check If Intact S/Gs Should Be Depressurized To RCS Pressure:
- a.
RCS pressure LESS THAN INTACT S/G PRESSURES
- b. Direct RP to sample S/Gs for activity
- c. Request TSC perform a dose projection on steaming S/Gs
- d.
Dose projection for each S/G ACCEPTABLE
- e. Dump steam to condenser from intact S/G(s) until S/G pressure less than RCS pressure 21 Consult TSC to Determine If Rx Vessel Head Should Be Vented
- a.
Go to Step 21.
- d.
Do NOT dump steam from a S/G with an unacceptable dose projection.
- e. IF steam dump to condenser NOT available, THEN dump steam using intact S/G ARVs until S/G pressure less than RCS pressure.
LOP:
TITLE:
REV 34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 21 of 22 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE:
This procedure should be continued while obtaining CNMT hydrogen sample in Step 22.
22 Check CNMT Hydrogen Concentration:
- a.
Direct RP to start CNMT hydrogen monitors as necessary
- b. Hydrogen concentration -
LESS
- b. Consult TSC to determine if THAN 0.5%
hydrogen recombiners should be placed in service.
NOTE:
The TSC should be consulted before changing recirculation lineups.
23 Check Event Duration Consult TSC to evaluate long term GREATER THAN 19 HOURS AFTER plant status.
EVENT INITIATION 24 Secure CNMT Spray
- a. Reset CNMT spray
- b. Place NaOH Tank outlet valve switches in AUTO
- AOV-836A
- AOV-836B
- c.
Place CNMT spray pumps in PULL STOP
- d.
Close discharge valves for idle CNMT spray pumps "o Pump A
"* MOV-860A
"* MOV-860B "o Pump B
"* MOV-860C
"* MOV-860D
STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 25 Verify Two SI Pumps RUNNING 26 Check Core Exit T/Cs LESS THAN REQUIREMENTS OF FIGURE RHR INJECTION Manually start pumps.
Perform the following:
- a. Manually open both PRZR PORVs and block valves.
- b. Verify core exit T/Cs decreasing to less than requirements of Figure RHR INJECTION.
IF NOT, THEN dump steam from intact S/Gs until core exit T/Cs less than required.
27 Consult TSC To Evaluate Long Term Plant Status
-END-
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TITLE:
REV: 34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 1 of 1 ES-1.3 APPENDIX LIST TITLE
- 1) RED PATH
SUMMARY
FIGURE RHR FIGURE MIN ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT ATTACHMENT FOLDOUT INJECTION (FIG-5.0)
SUBCOOLING (FIG-i.0)
D/G STOP (ATT-8.1)
SD-I (ATT-17.0)
SD-2 (ATT-17.1)
RHR SYSTEM (ATT-14.5)
MIN SW (ATT-2. 1)
RHR PRESS REDUCTION (ATT-14.6)
LOSS OF OFFSITE POWER (ATT-8.5)
- 2)
- 3)
- 4)
- 5)
- 6)
- 7)
- 8)
- 9)
- 10)
- 11) 12)
LOP:
TITLE:
REV: 34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE 1 of 1 RED PATH
SUMMARY
- a.
SUBCRITICALITY - Nuclear power greater than 5%
- b.
CORE COOLING -
Core exit T/Cs greater than 1200'F
-OR Core exit T/Cs greater than 700'F AND RVLIS level (no RCPs) less than 52% [55%
adverse CNMT]
- c.
HEAT SINK -
Narrow range level in all S/Gs less than 5%
[25% adverse CNMT] AND total feedwater flow less than 200 gpm
- d.
INTEGRITY -
Cold leg temperatures decrease greater than 1000F in last 60 minutes AND RCS cold leg temperature less than 2850F
- e.
CONTAINMENT -
CNMT pressure greater than 60 psig
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TITLE:
REV:
34 ES-1.3 TRANSFER TO COLD LEG RECIRCULATION PAGE I of 1 FOLDOUT PAGE
- 1. ECA-1.1 TRANSITION CRITERIA IF emergency coolant recirculation is established and subsequently lost, THEN go to ECA-I.l, LOSS OF EMERGENCY COOLANT RECIRCULATION, Step 1.
- 2.
AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water supply (Refer to ER-AFW.I, ALTERNATE WATER SUPPLY TO AFW PUMPS).