ML17313A450
| ML17313A450 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 06/19/1998 |
| From: | ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | |
| Shared Package | |
| ML17313A448 | List: |
| References | |
| NUDOCS 9806300484 | |
| Download: ML17313A450 (8) | |
Text
Revised Pages of Core Operating Limits Report, Unit 3, Revision 4 9806300484
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CORE OPERATING LIMITSREPORT PALO VERDE NUCLEARGENERATING STATION (PVNGS)
Unit 3 Revision 4 Page 1 of24
Revision 4
PVNGS UNIT3 CORE OPERATING LIMITSREPORT Table of Contents
~Descri tion Revision 4
~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) 6 List ofFigures 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 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 1
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t Revision 4
PVNGS UNIT3 CORE OPERATING LIMITSREPORT CORE OPERATING LIMITS-CONTINUED
.2. '- Azim thai P w r Tilt-T The AZIMUTHALPOWER TILT(Tq) shall be less than or equal to the limitin Figure 3.2.3-1 with COLSS INSERVICE.
3.2.4-DNBR Mar 'n COLSS INSERVICE and Both CEACs INOPERABLE - Maintaining COLSS calculated core power less than or equal'to COLSS calculated core power operation limitbased on DNBR decreased by the allowance shown in Figure 3.2.4-1.
COLSS OUT OF SERVICE and Either One or Both CEACs are OPERABLE - Operating within the region ofacceptable operation of Figure 3.2.4-2 using any operable CPC channel.
COLSS OUT OF SERVICE and CEACs INOPERABLE - Operating within the region ofacceptable operation ofFigure 3.2.4-3 using any operable CPC channel.
.2.7 -
'al ha e Index The core average AXIALSHAPE INDEX(ASI) shall be maintained within the followinglimits:
-0.185 < ASI < 0.160 for power > 50%
-0.285 < ASI < 0.160 for power < 50%
-0.10 ~ ASI < 0.10 n
nc ntration Mode 6 The boron concentration ofall filledportions ofthe Reactor Coolant System and the refueling canal shall be maintained at a uniform concentration > 3000 ppm.
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