ML17313A344: Difference between revisions

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{{#Wiki_filter:CATEGORY REGUL RY INFORMATION DISTRIBUTI H SYSTEM (RIDS)ACCFiSSXON NBR:9804160395 DOC.DATE: 98/04/03 NOTARIZED:
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NO DOCKET FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 AUTH.NAME AUTHOR AFFILIATION KRAINIK,A.K.
Arizona Public Service Co.(formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
 
==SUBJECT:==
Forwards COLR,Unit 1,Rev 3,which was made effective on 980403.Rev 3 incorporates unit 1 cycle 8 reload design&.changes axial shape index allowable limits of operation w/COLSS operable.Rev replaces pages 1,2.3 6 6 of COLR,Rev 2.DISTRXBUTION CODE: A001D COPIES RECEIVED:LTR ENCL SIZE: TITLE: OR Submittal:
General Distribution NOTES: STANDARDIZED PLANT RECIPIENT ID CODE/NAME PD4-2 LA FIELDS,M INTERNAL: ACRS NRR/DE/ECGB/A NRR/DRCH/HICB NRR/DSSA/SRXB OGC/HDS2 COPIES LTTR ENCL 1 1 1'1 1 1 1 1 1 1 1 1 0 RECIPIENT ID CODE/NAME PD4-2 PD ILE CE~N~01 NRR DE/EMCB NRR/DSSA/SPLB NUDOCS-ABSTRACT COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 05000528 6 EXTERNAL: NOAC 1 1 NRC PDR 1 1 D"U NOTE TO ALL"RIDS" RECIPIENTS:
PLEASE HELP US TO REDUCE WASTE.TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)ON EXTENSION 415-2083 TOTAL NUMBER OF COPIES REQUIRED: LTTR 14 ENCL 13
 
Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O.BOX 52034~PHOENIX, ARIZONA 85072-2034 U.S.Nuclear Regulatory Commission ATI N: Document Control Desk Mail Station P1-37 Washington, DC 20555-0001 102-04107-AKK/SAB/RMW April 3, 1998
 
==Dear Sirs:==
.
 
==Subject:==
Palo Verde Nuclear Generating Station (PVNGS)Unit 1, Docket No.STN 60-628 Core Operating Limits Report, Unit 1, Revision 3 Pursuant to PVNGS Unit 1 Technical SpeciTications, Section 6.9.1.10, enclosed is the Core Operating Limits Report (COLR), Unit 1, Revision 3, which was made effective on April 03, 1998.Revision 3 incorporates the Unit 1 Cycle 8 Reload Design and changes the Axial Shape Index allowable limits of operation with the Core Operating Limit Supervisory System (COLSS)operable.This revision replaces pages 1, 2, 3 and 6 of the COLR, Unit 1, Revision 2.This letter does not make, or imply, any commitments to the NRC.By copy of this letter and enclosures, this COLR is being provided to the NRC Region IV Administrator, the Walnut Creek Field Office Director, and the PVNGS Senior Resident Inspector.
Please contact Scott A.Bauer at (602)393-5978 if you have any questions or require additional information.
'incerely, An la K.Krainik Department Leader Nuclear Regulatory Affairs AKK/SAB/RMW/rlh Enclosure cc: E.W.Merschoff K.E.Perkins M.B.Fields J.M.Moorman 98Q+$QQ3 Pg P8Q pDR'DGCIII
, P
 
Enclosure Revised Pages of Core Operating Limits Report, Unit 1, Revision 3 t t PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Revision 3 CORE OPERATING LIMITS REPORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)UNIT I Page I of 24 V~IF sr ss PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Table of Contents Revision 3~Descri rice Revision¹~Pa e Cover Page Table of Contents Affected Technical Specifications 2 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 5 5 5 5 6 6 I3 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 Figure 3.1.3.1-1 Core Power Limit After CEA Deviation 0 10 Figure 3.1.3.6-1 CEA Insertion Limits Versus Thermal Power (COL'SS 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 0 14 Page 2 of 24
-4~'
Revision 3 PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Table of Contents (Continued)
~Descri tion Revision&#xb9;~Pa e Figure 3.2.3-1 Azimuthal Power Tilt Versus Thermal Power (COLSS in Service)15 Figure 3.2.4-1 COLSS DNBR Operating Limit Allowance for Both CEACs Inoperable 16 Figure 3.2.4-2 DNBR Margin Operating Limit Based on the Core Protection Calculators (COLSS Out of Service, CEACs Operable)17 Figure 3.2.4-3 DNBR Margin Operating Limit Based on the Core Protection Calculators (COLSS Out of Service, CEACs Inoperable) 18 List of Tables 19 Table 3.1.2.7-1 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Opera'ting Charging Pumps and Plant Operational Modes for Keff>0.98 20 Table 3.1.2.7-2 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.98>Keff>0.97 21 Table 3.1.2.7-3 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.97>Keff>0.96 22 Table 3.1.2.7-4 Required Monitoring Frequencies for Backup Boron Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.96>Keff>0.95 23 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 24 Page 3 of 24 PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Revision 3 3.2.-Azimuthal Power Tilt-Tq The AZIMUTHAL POWER 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 in 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.3.2.7-Axial Sha e Index The core average AXIAL SHAPE INDEX (ASI)shall be maintained within the following limits: COLSS OPERABLE-0.18<ASI<0.16 for power)50%-0.28<ASI<0.16 for power<50%COLSS OUT OF SERVICE (CPC)-0.10<ASI<0.10 3.9.1-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 t 4~}}

Revision as of 11:48, 24 October 2019

Forwards Colr,Unit 1,Rev 3,which Was Made Effective on 980403.Rev 3 Incorporates Unit 1 Cycle 8 Reload Design & Changes Axial Shape Index Allowable Limits of Operation W/ COLSS Operable.Rev Replaces Pp 1,2 3 & 6 of Colr,Rev 2
ML17313A344
Person / Time
Site: Palo Verde Arizona Public Service icon.png
Issue date: 04/03/1998
From: Krainik A
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9804160395
Download: ML17313A344 (12)
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