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 LIMITS REPORT 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 LIMITS REPORT Table of Contents~Descri rien Revision¹~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)'5 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 Reactor Trip Breakers Closed 0:,"., 9 Figure 3.1.1.3-1 MTC Acceptable Operation, Modes 1 and 2 Figure 3.1.3.1-1 Core Power Limit After 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 0 (COLSS Out of Service)Figure 3.1.3.7-1 Part Length CEA Insertion Limits Versus Thermal Power 0 13 14 Page 2 of 24 e'i 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 AZIMUTHAL POWER 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 AXIAL SHAPE 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.Page 6 of 24 A'4 1