ML17312B599
| ML17312B599 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 07/30/1997 |
| From: | ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | |
| Shared Package | |
| ML17312B598 | List: |
| References | |
| NUDOCS 9708050250 | |
| Download: ML17312B599 (8) | |
Text
Revision 1 Pages Unit 1 COLR 9708050250 9707SO PDR ADOCK 05000528 P
'4
CORE OPERATING LIMITSREPORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)
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PVNGS UNIT 1 CORE OPERATING LIMITSRE<PORT 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 3.1.1.3 Moderator Temperature Coefficient 3.1.2.7 Boron Dilution Alarms 3.1.3.1 Movable Control Assemblies - CEA Position 3.1.3.6 Regulating CEA Insertion Limits 3.1.3.7 Part Length CEA Insertion Limits 3.2.1 Linear Heat Rate 3.2.3 Azimuthal Power Tilt-Tq 3.2.4 DNBR Margin 3.2.7 Axial Shape Index 3.9.1 Boron Concentration (Mode 6)
List of Figures
>>-. Figure3.1.1.1-1Shutdown Margin VersusColdLeg Temperature 0
Reactor Trip Breakers Open
~ 8 ".;~ <<,>>)i->> =-..
Figure 3.1.1.2-1 Shutdown Margin Versus Cold Leg,'Temperature,;.
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0 Reactor Trip Breakers Closed 9
Figure 3.1.1.3-1 MTC Acceptable Operation, Modes 1 and 2 Figure 3.1.3.1-1 Core Power LimitAfter CEA Deviation 10 Figure 3.1.3.6-1 CEA Insertion Limits Versus Thermal Power (COLSS in Service) 12 Figure 3.1.3.6-2 CEA Insertion Limits Versus Thermal Power (COLSS Out of Service) 13 Figure 3.1.3.7-1 Part Length CEA Insertion Limits Versus Thermal Power 0
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PVNGS UNIT 1 CORE OPERATING LIMITSREPORT Table of Contents (Continued)
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Figure 3.2.3-1 Azimuthal Power TiltVersus Thermal Power (COLSS in Service)
Figure 3.2.4-1 COLSS DNBR Operating LimitAllowance for Both CEACs Inoperable 16 Figure 3.2.4-2 DNBR Margin Operating LimitBased on the Core Protection Calculators (COLSS Out of Service, CEACs Operable) 17 Figure 3.2.4-3 DNBR Margin Operating LimitBased on the Core Protection Calculators (COLSS Out of Service, CEACs Inoperable) 18 List of Tables 19 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 20 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 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 > Keff> 0.96 21 22 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 23 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 24 Page 3 of 24
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PVNGS T1COREOPERATINGLIMITS PORT R'E PER ATI I,I IT NTIN ED 3.1.1.8 - Moderator Tem erature Coe%cient The moderator temperature coefficient (MTC) shall be within the area ofAcceptable Operation shown in Figure 8.1.1.8-1.
3.1.2.7 - Boron DilutionAlarms With one or both start-up channel high neutron Qux alarms inoperable, the RCS boron concentration shall be determined at the applicable monitoring frequency specified in Tables 8.1.2.7-1 through 3.1.2.7-5.
3.1.8.
- Movable Control Assemblies - CEA Position With one or more full-length or part-length CEAs misaligned from any other CEAs in its group by more than 6.6 inches, the minimum required MODES 1 and 2 core power reduction is specified. in Figure 3.1.3.1-1.
3.1..6 - Re latin CEA Insertion Limits
'ne or more CEACs OPERABLE: With COLSS IN SERVICL",
regulation CEA groups shall be limited to the withdrawal sequence and to the insertion limits shown in Figure 3;1.3.6-1 with COLSS OUT OF SERVICE, regulation CEA groups shall",be limited to the withdrawal sequence and to the insertion limits shown in" Figure 3.1.8.6-2.
3.1.8.7 - Part Len h
EA Insertion Limits One or more CEACs OPERABLE: The part length CEA groups shall be limited to the insertion limits shown in Figure 3.1.3.7-1.
3.2.1 -
inear Heat Rate The linear heat rate limitof 13.1 kW/ftshall be maintained.
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