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=Text=
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{{#Wiki_filter:}}
{{#Wiki_filter:CATEGORY REGUL      RY INFORMATION      DISTRIBUTI H SYSTEM (RIDS)
ACCFiSSXON  NBR:9804160395        DOC.DATE:    98/04/03    NOTARIZED: 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                                                                05000528 6
RECIPIENT            COPIES              RECIPIENT            COPIES ID  CODE/NAME        LTTR ENCL          ID  CODE/NAME        LTTR ENCL PD4-2 LA                  1      1      PD4-2 PD                  1    1 FIELDS,M 1
INTERNAL: ACRS                        1      1        ILE  CE~N~      01      1    1 NRR/DE/ECGB/A            1      1      NRR DE/EMCB              1    1 NRR/DRCH/HICB            1      1      NRR/DSSA/SPLB            1    1 NRR/DSSA/SRXB            1      1      NUDOCS-ABSTRACT          1    1 OGC/HDS2                  1      0 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, ARIZONA85072-2034 102-04107-AKK/SAB/RMW U. S. Nuclear Regulatory Commission                        April 3, 1998 ATI N: Document Control Desk Mail Station P1-37 Washington, DC 20555-0001
 
==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 LIMITSREPORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)
UNIT I Page I of 24
 
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IF
 
ss Revision 3 sr PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Table of Contents
      ~Descri  rice                                                      Revision ¹  ~Pa  e Cover Page Table  of Contents                                                                  2 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                                                5 3.1.3.1 Movable Control Assemblies - CEA Position                            5 3.1.3.6 Regulating CEA Insertion Limits                                      5 3.1.3.7 Part Length CEA Insertion Limits                                      5 3.2.1 Linear Heat Rate                                                        5 3.2.3 Azimuthal Power Tilt - Tq                                              6 3.2.4 DNBR Margin                                                            6 3.2.7 Axial Shape Index                                                            I3 3.9.1 Boron Concentration (Mode 6)                                            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                    0 Figure 3.1.3.6-1 CEA Insertion Limits Versus Thermal Power                        12 (COL'SS 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  0        14 Page 2 of 24
 
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~ '
 
Revision 3 PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Table of Contents (Continued)
~Descri  tion                                                      Revision ¹  ~Pa  e Figure 3.2.3-1 Azimuthal Power Tilt Versus Thermal Power                          15 (COLSS in Service)
Figure 3.2.4-1 COLSS DNBR Operating Limit Allowance for Both                      16 CEACs Inoperable Figure 3.2.4-2 DNBR Margin Operating Limit Based on the Core                      17 Protection Calculators (COLSS Out of Service, CEACs Operable)
Figure 3.2.4-3 DNBR Margin Operating Limit Based on the Core                      18 Protection Calculators (COLSS Out of Service, CEACs Inoperable)
List of Tables                                                                    19 Table 3.1.2.7-1 Required Monitoring Frequencies for Backup Boron                20 Dilution Detection as a Function of Opera'ting Charging Pumps and Plant Operational Modes for Keff> 0.98 Table 3.1.2.7-2 Required Monitoring Frequencies for Backup Boron                21 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.98 > Keff > 0.97 Table 3.1.2.7-3 Required Monitoring Frequencies for Backup Boron                22 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.97 > Keff > 0.96 Table 3.1.2.7-4 Required Monitoring Frequencies for Backup Boron                23 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.96 > Keff > 0.95 Table 3.1.2.7-5 Required Monitoring Frequencies for Backup Boron                  24 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for Keff < 0.95 Page 3 of 24
 
Revision 3 PVNGS UNIT 1 CORE OPERATING LIMITSREPORT 3.2.  -  Azimuthal Power Tilt - Tq 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 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 AXIALSHAPE 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
 
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Latest revision as of 03:27, 4 February 2020

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)
v • d • e


Text

CATEGORY REGUL RY INFORMATION DISTRIBUTI H SYSTEM (RIDS)

ACCFiSSXON NBR:9804160395 DOC.DATE: 98/04/03 NOTARIZED: 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 05000528 6

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD4-2 LA 1 1 PD4-2 PD 1 1 FIELDS,M 1

INTERNAL: ACRS 1 1 ILE CE~N~ 01 1 1 NRR/DE/ECGB/A 1 1 NRR DE/EMCB 1 1 NRR/DRCH/HICB 1 1 NRR/DSSA/SPLB 1 1 NRR/DSSA/SRXB 1 1 NUDOCS-ABSTRACT 1 1 OGC/HDS2 1 0 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, ARIZONA85072-2034 102-04107-AKK/SAB/RMW U. S. Nuclear Regulatory Commission April 3, 1998 ATI N: Document Control Desk Mail Station P1-37 Washington, DC 20555-0001

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 LIMITSREPORT PALO VERDE NUCLEAR GENERATING STATION (PVNGS)

UNIT I Page I of 24

V ~

IF

ss Revision 3 sr PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Table of Contents

~Descri rice Revision ¹ ~Pa e Cover Page Table of Contents 2 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 5 3.1.3.1 Movable Control Assemblies - CEA Position 5 3.1.3.6 Regulating CEA Insertion Limits 5 3.1.3.7 Part Length CEA Insertion Limits 5 3.2.1 Linear Heat Rate 5 3.2.3 Azimuthal Power Tilt - Tq 6 3.2.4 DNBR Margin 6 3.2.7 Axial Shape Index I3 3.9.1 Boron Concentration (Mode 6) 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 0 Figure 3.1.3.6-1 CEA Insertion Limits Versus Thermal Power 12 (COL'SS 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 0 14 Page 2 of 24

-4

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Revision 3 PVNGS UNIT 1 CORE OPERATING LIMITS REPORT Table of Contents (Continued)

~Descri tion Revision ¹ ~Pa e Figure 3.2.3-1 Azimuthal Power Tilt Versus Thermal Power 15 (COLSS in Service)

Figure 3.2.4-1 COLSS DNBR Operating Limit Allowance for Both 16 CEACs Inoperable Figure 3.2.4-2 DNBR Margin Operating Limit Based on the Core 17 Protection Calculators (COLSS Out of Service, CEACs Operable)

Figure 3.2.4-3 DNBR Margin Operating Limit Based on the Core 18 Protection Calculators (COLSS Out of Service, CEACs Inoperable)

List of Tables 19 Table 3.1.2.7-1 Required Monitoring Frequencies for Backup Boron 20 Dilution Detection as a Function of Opera'ting Charging Pumps and Plant Operational Modes for Keff> 0.98 Table 3.1.2.7-2 Required Monitoring Frequencies for Backup Boron 21 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.98 > Keff > 0.97 Table 3.1.2.7-3 Required Monitoring Frequencies for Backup Boron 22 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.97 > Keff > 0.96 Table 3.1.2.7-4 Required Monitoring Frequencies for Backup Boron 23 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for 0.96 > Keff > 0.95 Table 3.1.2.7-5 Required Monitoring Frequencies for Backup Boron 24 Dilution Detection as a Function of Operating Charging Pumps and Plant Operational Modes for Keff < 0.95 Page 3 of 24

Revision 3 PVNGS UNIT 1 CORE OPERATING LIMITSREPORT 3.2. - Azimuthal Power Tilt - Tq 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 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 AXIALSHAPE 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

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