ML17312B382
| ML17312B382 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 03/10/1997 |
| From: | ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | |
| Shared Package | |
| ML17312B381 | List: |
| References | |
| NUDOCS 9704220124 | |
| Download: ML17312B382 (23) | |
Text
Attachment I (13 pages)
March 10, 1997 162-07734-CAH Unit 3 COLR Revision 0 9704220124 9704f I PDR ADOCK 05000530 P
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CORK OI ERATINCLnvurS REI ORY PALO VERDE NUCLEARGENERATING STATION (PVNGS)
Unit 3 Revision 0 Page 1 of 13
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PVNGS UNIT3 CORE OPERATING LIMITSREPORT Table of Contents
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Cover Page Table of Contents Affected Technical Specifications CORE Operating Limits 3.1.1.1 Shutdown Margin - Reactor Trip Breakers Open 3.1.1.2 Shutdown Margin - Reactor Trip Breakers Closed 3.1.2.7 Boron Dilution Alarms 3.9.1 Boron Concentration (Mode 6)
List of Figures Figure 3.1.1.1-1 Shutdown Margin Versus Cold Leg Temperature Reactor Trip Breakers Open Figure 3.1.1.2-1 Shutdown Margin Versus Cold Leg Temperature Reactor Trip Breakers Closed List ofTables Table 3.1.2.7-1 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for Keff> 0.98 Table 3.1.2.7-2 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.98 > Keff> 0.97 10 Table 3.1.2.7-3 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.97 p Keff> 0.96 Page 2 of 13
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PVNGS UNIT3 CORE OPERATING LIMITSREPORT Table of Contents (Continued)
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Table 3.1.2.7-4 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.96 > Keff> 0.95 12 Table 3.1.2.7-5 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for Keff< 0.95 13 Page 3 of 13
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PVNGS UNIT3 CORE OPERATING LIMITSREPORT This Report has been prepared in accordance with the requirements ofTechnical Specification 6.9.1. The Core Operating Limits have been developed using the NRC approved methodologies specified in Section 6.9.1.10 of the Palo Verde Unit 3 Technical Specifications.
AFFE TED PVN TF. HNI AL PE IFI ATI N 3.1.1.1 Shutdown Margin - Reactor Trip Breakers Open 3.1.1.2 Shutdown Margin - Reactor Trip Breakers Closed 3.1.2.7 Boron DilutionAlarms 3.9.1 Boron Concentration (Mode 6)
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The cycle-specific operating limits for the specifications listed are presented below.
3.1.1.1 - Shutdown Mar 'n - Reactor Tri Breaker. 0 en The Shutdown Margin shall be greater than or equal to that shown in Figure 3.1.1.1-1.
3
.1.2 - Shutdown Mar 'n - Reactor Tri Breaker Closed The Shutdown Margin shall be greater than or equal to that shown in Figure 3.1.1.2-1.
3.1.2.7 - Boron Dilution Alarms With one or both start-up channel high neutron fluxalarms inoperable, the RCS boron concentration shall be determined at the applicable monitoring frequency specified in Tables 3.1.2.7-1 through 3.1.2.7-5.
3.9.1 - Boron Concentration Mode 6 The boron concentration ofall filled portions ofthe Reactor Coolant System and the refueling canal shall be maintained at a uniform concentration > 3000 ppm.
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PVNGS UNIT3 CORE OPERATING LIMITSREPORT I
E 3.1.1.1-1.
Shutdown Margin Versus Cold Leg Temperature, Reactor Trip Breakers Open 3.1.1.2-1.
Shutdown Margin Versus Cold Leg Temperature, Reactor Trip Breakers Closed Page 5 of 13
PYNGS UNIT 3 CORE OPERATING LIMITS REPORT Revision 0 FIGURE 3. 1. 1. 1 1 SHUTDOWN MARGIN VERSUS COLD LEG TEMPERATURE REACTOR TRIP BREAKERS OPEN REGI N OF ACCE TABLE OPER TION z
z C)
REGION OF UNACCEPTABLE OPER TION 100 200 300 400 500 600 COID I.EG TEMPERATURE ('F)
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PVNGS UNIT 3 CORE OPERATING LIMITS REPORT FIGURE 3.1.1.2 1 SHUTDOWN MARGIN VERSUS COLD LEG TEMPERATURE REACTOR TRIP BREAKERS CLOSED 6
4 z
z0 2
1 REGI N OF ACCE TABLE OPER TION REGI NACC OPER (5oo,6.
N OF PTABL TION 500 100 200 300 400 COLD I,EG TEMI ERATURE ('F) 600 Page 7 of 13
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Revision 0 PVNGS UNIT3 CORE OPERATING LIMITSREPORT 3.1.2.7-1.
Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function ofOperating Charging Pumps and Plant Operational Modes for E ff> 0.98.
3.1.2.7-2.
Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.98 > K,ff> 0.97.
3.1.2.7-3.
Required MonitoringFrequencies forBackup Boron DilutionDetection as a Function ofOperating Charging Pumps and Plant Operational Modes for 0.97 > K,g > 0.96.
3.1.2.7-4.
Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function ofOperating Charging Pumps and Plant Operational Modes for 0.96 > E,g > 0.95.
3.1.2.7-5.
Required MonitoringFrequencies for Backup Boron DilutionDetection as a Function ofOperating Charging Pumps and Plant Operational Modes for K g < 0.95.
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t Revision 0 PVNGS UNIT3 CORE OPERATING LIMITSREPORT TABLE3.1.2.7-1 REQUIRED MONITORINGFREQUENCIES FOR BACKUPBORON DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS ANDPLANTOPERATIONALMODES FOR K ff)0.98 OPERATIONAL MODE Number of Operating Charging Pumps 0
1 4 not on SCS 5 not on SCS 4 &5 on SCS ONA ONA 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA ONA ONA ONA ONA ONA 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA Notes:
SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 9 of 13
t Revision 0 PVNGS UNIT3 CORE OPERATING LIMITSREPORT TABLE3.1.2.7-2 REQUIRED MONITORINGFREQUENCIES FOR BACKUPBORON DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS ANDPLANT OPERATIONALMODES FOR 0.98 > off> 0.97 OPERATIONAL MODE Number of Operating Charging Pumps 0
1 2
4 not on SCS 5 not on SCS 4&5onSCS 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 12 hours 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 8 hours 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA ONA 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA Notes:
SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 10 of 13
I Revision 0 PVNGS UNIT3 CORE OPERATING LIMITSREPORT TABLE3.1.2.7-3 REQUIRED MONITORINGFREQUENCIES FOR BACKUPBORON DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS ANDPLANTOPERATIONALMODES FOR 0.97 > K,ff> 0.96 OPERATIONAL MODE Number of Operating Charging Pumps 4 not on SCS 5 not on SCS 48c5onSCS 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 12 hours 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 8 hours 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> ONA 2.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1 hour 1S 2.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1 hour 2.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1 hour ONA 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA Notes:
SCS = Shutdown Cooling System ONA = Operation Not Allowed Page ll of 13
Revision 0 PVNGS UNIT3 CORE OPERATING LIMITSREPO T
TABLE3.1.2.7-4 REQUIRED MONITORINGFREQUENCIES FOR BACKUP BORON DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS ANDPLANT'OPERATIONALMODES FOR 0.96 > Kgff)0.95 OPERATIONAL MODE Number of Operating Charging Pumps 0
1 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 3 hours 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 4 not on SCS 5 not on SCS 4 &5 on SCS 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 8 hours 3.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 0.75 hours8.680556e-4 days <br />0.0208 hours <br />1.240079e-4 weeks <br />2.85375e-5 months <br /> 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA 12hours 3.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 0.75 hours8.680556e-4 days <br />0.0208 hours <br />1.240079e-4 weeks <br />2.85375e-5 months <br /> Notes:
SCS = Shutdown Cooling System ONA = Operation Not Allowed Page 12 of 13
PVNGS UNIT3 CORE OPERATING LIMITSREPORT Revision 0 TABLE3.1.2.7-5 REQUIRED MONITORINGFREQUENCIES FOR BACKUPBORON DILUTIONDETECTION AS A FUNCTION OF OPERATING CHARGING PUMPS AND PLANTOPERATIONALMODES FOR K ff< 0.95 OPERATIONAL MODE Number of Operating Charging Pumps 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 4 hours 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 1 hour 4 not on SCS 5 not on SCS 4&5onSCS 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 1 hour 4.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 2 hours 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 8 hours 0.75 hours8.680556e-4 days <br />0.0208 hours <br />1.240079e-4 weeks <br />2.85375e-5 months <br /> ONA 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 12 hours 4.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 2 hours 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> ONA ONA Notes:
SCS = Shutdown Cooling System ONA = Operation not allowed Page 13 of 13