ML17313A452

Rev 5 to COLR for Pvngs,Unit 3.

ML17313A452
Person / Time
Site:	Palo Verde
Issue date:	06/19/1998
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17313A448	List: ML17313A446 ML17313A450 ML17313A452
References
NUDOCS 9806300487
Download: ML17313A452 (8)

Text

Revised Pages of Core Operating Limits Report, Unit 3, Revision 5 P'ase eeosiooosr eso6x96 PDR ADQCK 05000530

rom OI Kru nNG x,nvrnS RxI ORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)

Unit 3 Revision 5 Page 1 of 24

PVNGS VNIT3 CORE OPERATING LIMITS REPORT Table of Contents

~Descri tion Revision ¹ ~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 6 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 14 Page 2 of24

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4 5 V Revision 5 PVNGS UNIT 3 CORE OPERATING LIMITS REPORT CORE OPERATING LIMITS- CONTINUED 3.2.3 - Azimuthal Power Tilt - T The AZIMUTHALPOWER TILT (Tq) shall be less than or equal to the limit in Figure 3.2.3-1 with COLSS IN SERVICE.

3.2.4- DNBR Mar 'n COLSS IN SERVICE and Both CEACs INOPERABLE - Maintaining COLSS calculated core power less than or equal to COLSS calculated core power operation limit based 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 of acceptable operation of Figure 3.2.4-2 using any operable CPC channel.

COLSS OUT OF SERVICE and CEACs INOPERABLE - Operating within the region of acceptable operation of Figure 3.2.4-3 using any operable CPC channel.

.2.7 - Axial ha Index The core average ACTUAL SHAPE INDEX (ASI) shall be maintained within the following limits:

COLSS OPERABLE

)

-0.186 < ASI < 0.162 for power 50%

-0.28 < ASI < 0.16 for power < 50%

COLSS OUT OF SERVICE (CPC)

-0.10 < ASI < 0.10

.9.1 - Boron Concentration Mode 6 The boron concentration of all filled portions of the Reactor Coolant System and the refueling canal shall be maintained at a uniform concentration > 3000 ppm.

Page 6 of 24

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