ML17312B602

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Rev 3 to Unit 3 PVNGS Colr.
ML17312B602
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 07/30/1997
From:
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17312B598 List:
References
NUDOCS 9708050257
Download: ML17312B602 (8)


Text

Revision 3 Pages Unit 3 COLR 97080M257'70730 PDR ADGCK 0

05000528 P

CORE OPERATING LIMITS REPORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)

Unit 3 Revision 3 Page 1 of 24

t PVNGS VNIT 3 CORE OPERATING LIMITSREPORT Table of Contents Revision 3

~Desert tion Revision 0 ~Pa e 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 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 Figure 3.1.1.3-1 MTC Acceptable Operation, Modes 1 and 2 10 Figure 3.1.3.1-1 Core Power Limit After CEA Deviation Figure 3.1.3.6-1 CEA Insertion Limits Versus Thermal Power 12 (COLSS in Service)

Figure 3.1.3.6-2 CEA Insertion Limits Versus Thermal Power 13 (COLSS Out of Service)

Figure 3.1.3.7-1 Part Length CEA Insertion Limits Versus Thermal Power 1 Page 2 of 24

t PVNGS UNIT 3 CORE OPERATING LIMITS REPORT Table of Contents (Continued)

Revision 3 D~eecri rien Rev>sion ¹ ~Pa e Figure 3.2.3-1 Azimuthal Power Tilt Versus Thermal Power 15 (COLSS in Service)

Figure 3.2.4-1 COLSS DNBR Operating Limit Allowance for Both 16 CEACs Inoperable Figure 3.2.4-2 DNBR Margin Operating Limit Based on the Core 17 Protection Calculators (COLSS Out of Service, CEACs Operable)

Figure 3.2.4-3 DNBR Margin Operating Limit Based on the Core 18 Protection Calculators (COLSS Out of Service, CEACs Inoperable)

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'able 3.1.2.7-2 Required Monitoring Frequencies for Backup Boron ~ 21 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  : 22 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.97 > Keff > 0.96 Table 3.1.2.7-4 Required Monitoring Frequencies for Backup Boron 23 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.96 > Keff > 0.95 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 Page 3 of 24

RE PFRATIN LIMIT l

PVNGS UNIT 3 CORE OPERATING LIMITS REPORT

- NTIN ED Revision 3 8.1.1.3 - Moderator Tem erature Coefficient The moderator temperature coefficient (MTC) shall be within the area of Acceptable Operation shown in Figure 8.1.1.8-1.

3.1.2.7 - Boron Dilution Alarms With one or both start-up channel high neutron flux 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.

3.1.3.1 - 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 8.1.8.1-1.

3.1.3.6 - Re latin CEA Insertion Limits One or more CEACs OPERABLE: With COLSS IN SERVICE, regulation CEA groups shall be limited to the withdrawal sequence and to the insertion limits shown in Figure 8.1.3.6-1; with COLSS OUT OF SERVICE, regulation CEA groups shall be limited to the withdrawal sequence and to the insertion limits shown in Figure 8.1.3.6-2.

3.1.3.7 - Part Len h CEA Insertion Limits One or more CEACs OPERABLE: The part length CEA groups shall be limited to the insertion limits shown in Figure 8.1.3.7-1.

3.2.1 - Linear Heat Rate The linear heat rate limit of 12.9 kW/ft shall be maintained.

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