ML17313A194

Rev 2 to COLR for Pvngs,Unit 1.

ML17313A194
Person / Time
Site:	Palo Verde
Issue date:	01/27/1998
From:	ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17313A193	List: ML17313A192 ML17313A194
References
NUDOCS 9802050227
Download: ML17313A194 (6)

Text

CORE OPERATING LIMITSREPORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)

Unit 1 Revision 2 Page 1 of 24

,9802050227 980%27 PDR ADQCK 05000528 P PDR,'

i Revision 2 PVNGS UNIT 1 CORE< OPE<RATING LIMITSREPORT Table of Contents

~Descri rien 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 '5 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 0'.:

Figure 3.1.1.2-1 Shutdown Margin Versus Cold Leg Temperature 0:, "., 9 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 0 13 (COLSS Out of Service)

Figure 3.1.3.7-1 Part Length CEA Insertion Limits Versus Thermal Power 0 14 Page 2 of 24

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Revision 2 PVNGS IT 1 CORE OPERATING LIMITS I PORT <

RE PER ATI I IMIT - TI ED

~ 3.2.3 - Azimuthal Power Tilt - Tq The AZIMUTHALPOWER TILT (Tq) shall be less than or equal to the limit in Figure 8.2.3-1 with COLSS IN SERVICE.

8.2.4- 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 8.2.4-3 using any operable CPC channel.

3.2.7 - Axial Sha e Index The core average AXIALSHAPE INDEX (ASI) shall'be maintained within the following limits:

COLSS OPERABLE

-0.185 < ASI < 0.160 for power > 50%

-0.285 < ASI < 0.160 for power < 50%

COLSS OUT OF SERVICE (CPC)

-0.10 < ASI < 0.10 3.9. - 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.

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