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Category:Fuel Cycle Reload Report
MONTHYEARWBL-23-055, of the Unit 2 Cycle 6 Core Operating Limits Report2023-11-22022 November 2023 of the Unit 2 Cycle 6 Core Operating Limits Report WBL-23-023, of Cycle 19 Core Operating Limit Report2023-04-27027 April 2023 of Cycle 19 Core Operating Limit Report WBL-23-008, Unit 1 Revision 1 of the Cycle 18 Core Operating Limits Report (COLR) and Units 2 Revision 1 of the Cycle 5 Core Operating Limits Report (COLR)2023-02-0707 February 2023 Unit 1 Revision 1 of the Cycle 18 Core Operating Limits Report (COLR) and Units 2 Revision 1 of the Cycle 5 Core Operating Limits Report (COLR) WBL-22-046, Registration of Spent Fuel Storage Cask Pursuant to 10 CFR 72.212(b)(2)2022-09-0808 September 2022 Registration of Spent Fuel Storage Cask Pursuant to 10 CFR 72.212(b)(2) WBL-22-028, of the Unit 2 Cycle 5 Core Operating Limits Report (COLR)2022-05-0404 May 2022 of the Unit 2 Cycle 5 Core Operating Limits Report (COLR) WBL-21-052, of the Unit 1 Cycle 18 Core Operating Limits Report (COLR)2021-11-0909 November 2021 of the Unit 1 Cycle 18 Core Operating Limits Report (COLR) WBL-21-013, of Cycle 4 Core Operating Limits Report2021-03-18018 March 2021 of Cycle 4 Core Operating Limits Report WBL-20-058, Plants, Units 1 and 2 - Revision 1 of the Unit 1 Cycle 17 Core Operating Limits Report (COLR) and Revision 0 of the Unit 2 Cycle 4 Core Operating Limits Report (COLR)2020-11-0505 November 2020 Plants, Units 1 and 2 - Revision 1 of the Unit 1 Cycle 17 Core Operating Limits Report (COLR) and Revision 0 of the Unit 2 Cycle 4 Core Operating Limits Report (COLR) WBL-20-036, of the Unit Cycle 2 Cycle 3 Core Operating Limits Report (COLR)2020-07-29029 July 2020 of the Unit Cycle 2 Cycle 3 Core Operating Limits Report (COLR) WBL-20-022, Unit 1 Revision 0 of the Cycle 17 Core Operating Limits Report (COLR)2020-05-20020 May 2020 Unit 1 Revision 0 of the Cycle 17 Core Operating Limits Report (COLR) L-19-029, Submittal of Revision 0 of Cycle 3 Core Operating Limits Report2019-04-24024 April 2019 Submittal of Revision 0 of Cycle 3 Core Operating Limits Report L-19-011, Plant, Unit 1 - Revision 1 of the Cycle 16 Core Operating Limits Report (COLR)2019-01-29029 January 2019 Plant, Unit 1 - Revision 1 of the Cycle 16 Core Operating Limits Report (COLR) ML18270A3522018-09-27027 September 2018 Revision 0 of the Cycle 16 Core Operating Limits Report (COLR) ML18232A1722018-08-20020 August 2018 Unit 1 Revision 1 of the Cycle 15 Core Operating Limits Report (COLR) and Unit 2 Revision 1 of the Cycle 2 Core Operating Limits Report (COLR) ML18145A1962018-05-24024 May 2018 Revision 0 of the Cycle 14 and 15 Core Operating Limits Report (COLR) ML17324B3832017-11-20020 November 2017 Revision 0 of the Unit 2 Cycle Core Operating Limits Report (COLR) ML17279A0782017-10-0606 October 2017 Revision 2 of the Cycle 1 Core Operating Limits Report (COLR) ML14141A0842014-05-20020 May 2014 Revision 0 of the Cycle 13 Core Operating Limits Report (COLR) ML12296A2532012-10-16016 October 2012 Revision 0 of the Cycle 12 Core Operating Limits Report (COLR) ML11137A1202011-05-12012 May 2011 Cycle 11, Core Operating Limits Report ML0929402442009-10-19019 October 2009 Revisions 2 and 3 to the Cycle 10 Core Operating Limits Report ML0913101682009-05-0606 May 2009 Core Operating Limits Report (COLR) for Cycle 9, Revision 1 ML0815107992008-05-27027 May 2008 First Revised NRC Order EA-03-009 Establishing Interim Inspection Requirements for Reactor Pressure Vessel Heads at Pressurized Water Reactors (Pwrs) - Nonvisual Nondestructive Examination Inspection Results ML0807302442008-03-12012 March 2008 Core Operating Limits Report (COLR) for Cycle 9, Revision 0 ML0702601632007-01-22022 January 2007 Core Operating Limits Report for Cycle 8, Revision 3 ML0633201822006-11-21021 November 2006 Core Operating Limits Report for Cycle 8, Revision 2 ML0623501652006-08-17017 August 2006 Core Operating Limits Report (COLR) for Cycle 7, Revision 6 ML0618404762006-06-29029 June 2006 Core Operating Limits Report for Cycle 7, Revision 6 ML0527001322005-09-22022 September 2005 Core Operating Limits Report (COLR) for Cycle 7, Revision 3 ML0518004462005-06-16016 June 2005 Core Operating Limits Report for Cycle 7, Revision 2 ML0510301732005-04-0101 April 2005 Core Operating Limits Report for Cycle 7, Revisions 0 and 1 ML0330304082003-10-27027 October 2003 Core Operating Limits Report for Cycle 6, Revisions 3 & 4 ML0231005762002-11-0101 November 2002 Steam Generator Inservice Inspection - Cycle 4 Twelve Month Report ML0208103922002-03-12012 March 2002 Core Operation Limits Report Cycle 5 Revision 0 2023-04-27
[Table view] Category:Letter
MONTHYEARML23319A2452024-01-29029 January 2024 Issuance of Amendment Nos. 366 and 360; 164 and 71 Regarding the Adoption of TSTF-567, Revision 1, Add Containment Sump TS to Address GSI-191 Issues ML24008A2462024-01-18018 January 2024 Revision to the Reactor Vessel Material Surveillance Capsule Withdrawal Schedule CNL-24-017, Tennessee Valley Authority - Central Emergency Control Center Emergency Plan Implementing Procedure and Emergency Preparedness Department Procedure Revisions2024-01-17017 January 2024 Tennessee Valley Authority - Central Emergency Control Center Emergency Plan Implementing Procedure and Emergency Preparedness Department Procedure Revisions CNL-24-016, Supplement to Application to Modify the Technical Specification Surveillance Requirement 3.9.5.1 (WBN-TS-21-14)2024-01-10010 January 2024 Supplement to Application to Modify the Technical Specification Surveillance Requirement 3.9.5.1 (WBN-TS-21-14) CNL-23-052, Application to Adopt TSTF-427-A, Revision 2, Allowance for Non-Technical Specification Barrier Degradation on Supported System Operability2024-01-0909 January 2024 Application to Adopt TSTF-427-A, Revision 2, Allowance for Non-Technical Specification Barrier Degradation on Supported System Operability CNL-23-062, Application to Revise the Technical Specifications Section 3.8.2, AC Sources-Shutdown, to Remove Reference to the C-S Diesel Generator (WBN-TS-23-018)2024-01-0808 January 2024 Application to Revise the Technical Specifications Section 3.8.2, AC Sources-Shutdown, to Remove Reference to the C-S Diesel Generator (WBN-TS-23-018) ML23346A1382024-01-0303 January 2024 Regulatory Audit Summary Related to Request to Increase the Number of Tritium Producing Burnable Absorber Rods CNL-23-069, Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation2023-12-21021 December 2023 Request for Exemption from Enhanced Weapons, Firearms Background Checks, and Security Event Notifications Implementation IR 05000390/20234412023-12-21021 December 2023 Plantfinal Significance Determination for a Security-Related Greater than Green Finding, Nov, and Assessment Follow-up, 05000390-2023441 and 05000391-2023441-Public CNL-23-036, Application to Revise Function 5 of Technical Specification Table 3.3.2-1, Engineered Safety Feature Actuation System Instrumentation, for the Sequoyah Nuclear Plant and Watts Bar Nuclear Plant (SQN-TS-23-02 and WBN-TS-23-08)2023-12-18018 December 2023 Application to Revise Function 5 of Technical Specification Table 3.3.2-1, Engineered Safety Feature Actuation System Instrumentation, for the Sequoyah Nuclear Plant and Watts Bar Nuclear Plant (SQN-TS-23-02 and WBN-TS-23-08) IR 05000390/20234042023-12-14014 December 2023 Security Baseline Inspection Report 05000390/2023404 and 05000391/2023404 CNL-23-001, Rebaseline of Sections 3.1 and 3.2 of the Technical Specifications (WBN-TS-23-01)2023-12-13013 December 2023 Rebaseline of Sections 3.1 and 3.2 of the Technical Specifications (WBN-TS-23-01) ML23293A0572023-12-0606 December 2023 Issuance of Amendment Nos. 163 and 70 Regarding Adoption of TSTF-501-A, Revision 1, Relocate Stored Fuel Oil and Lube Oil Volume Values to Licensee Control IR 05000390/20230102023-11-30030 November 2023 RE-Issue Watts Bar Nuclear Plant - Biennial Problem Identification and Resolution Inspection Report 050000390/2023010 and 05000391/2023010 and Apparent Violation CNL-23-067, Central Emergency Control Center Emergency Plan Implementing Procedure Revisions2023-11-27027 November 2023 Central Emergency Control Center Emergency Plan Implementing Procedure Revisions IR 05000390/20230032023-11-13013 November 2023 Integrated Inspection Report 05000390/2023003 and 05000391/2023003 and Apparent Violation ML23312A1432023-11-0808 November 2023 Submittal of Dual Unit Updated Final Safety Analysis Report (UFSAR) Amendment 5 CNL-23-059, Supplement to Sequoyah Nuclear Plant, Units 1 and 2, and Watts Bar Nuclear Plant, Units 1 and 2, Application to Revise Technical Specifications to Adopt TSTF-567-A, Revision 1, Add Containment Sump TS to Address GSI-191 Issues (SQN-TS-23-2023-09-20020 September 2023 Supplement to Sequoyah Nuclear Plant, Units 1 and 2, and Watts Bar Nuclear Plant, Units 1 and 2, Application to Revise Technical Specifications to Adopt TSTF-567-A, Revision 1, Add Containment Sump TS to Address GSI-191 Issues (SQN-TS-23-03 CNL-23-061, Tennessee Valley Authority - Central Emergency Control Center Emergency Plan Implementing Procedure Revision2023-09-20020 September 2023 Tennessee Valley Authority - Central Emergency Control Center Emergency Plan Implementing Procedure Revision ML23251A2002023-09-11011 September 2023 Request for Withholding Information from Public Disclosure for Watts Bar Nuclear Plant, Units 1 and 2 CNL-23-057, Central Emergency Control Center Emergency Plan Implementing Procedure Revisions. Includes CECC-EPIP-1, Revision 76 and CECC-EPIP-9, Revision 642023-09-0505 September 2023 Central Emergency Control Center Emergency Plan Implementing Procedure Revisions. Includes CECC-EPIP-1, Revision 76 and CECC-EPIP-9, Revision 64 IR 05000390/20230052023-08-30030 August 2023 Updated Inspection Plan for Watts Bar Nuclear Plant, Units 1 and 2 - Report 05000390/2023005 and 05000391/2023005 ML23233A0042023-08-28028 August 2023 Proposed Alternative to the Requirements of the ASME Boiler and Pressure Vessel Code for Upper Head Injection Dissimilar Metal Butt Welds IR 05000390/20230022023-08-16016 August 2023 Reissue - Watts Bar Nuclear Plant - Integrated Inspection Report 05000390/2023002 and 05000391/2023002 ML23220A1582023-08-0909 August 2023 Integrated Inspection Report 05000390/2023002 and 05000391/2023002 CNL-23-045, License Amendment Request to Revise Technical Specification Table 1.1-1 Regarding the Required Number of Fully Tensioned Reactor Pressure Vessel Head Closure Bolts (WBN-TS-23-010)2023-08-0707 August 2023 License Amendment Request to Revise Technical Specification Table 1.1-1 Regarding the Required Number of Fully Tensioned Reactor Pressure Vessel Head Closure Bolts (WBN-TS-23-010) CNL-23-028, Application to Revise Technical Specifications to Adopt TSTF-567-A, Revision 1, Add Containment Sump TS to Address GSI-191 Issues (SQN-TS-23-03 and WBN-TS-23-06)2023-08-0202 August 2023 Application to Revise Technical Specifications to Adopt TSTF-567-A, Revision 1, Add Containment Sump TS to Address GSI-191 Issues (SQN-TS-23-03 and WBN-TS-23-06) ML23192A4472023-07-31031 July 2023 Staff Assessment of Updated Seismic Hazards at TVA Sites Following the NRC Process for the Ongoing Assessment of Natural Hazards Information CNL-23-055, Tennessee Valley Authority - Emergency Preparedness Department Procedure Revision. Includes EPDP-3, Revision 3, Emergency Plan Exercises and Preparedness Drills2023-07-25025 July 2023 Tennessee Valley Authority - Emergency Preparedness Department Procedure Revision. Includes EPDP-3, Revision 3, Emergency Plan Exercises and Preparedness Drills IR 05000390/20230112023-07-24024 July 2023 Quadrennial Focused Engineering Inspection (FEI) Commercial Grade Dedication Report 05000390 2023011 and 05000391 2023011 CNL-23-053, Tennessee Valley Authority - Radiological Emergency Plan Revisions2023-07-18018 July 2023 Tennessee Valley Authority - Radiological Emergency Plan Revisions CNL-23-020, Application to Revise Technical Specifications to Adopt TSTF-501-A, Revision 1, Relocate Stored Fuel Oil and Lube Oil Volume Values to Licensee Control (WBN-TS-22-06)2023-06-28028 June 2023 Application to Revise Technical Specifications to Adopt TSTF-501-A, Revision 1, Relocate Stored Fuel Oil and Lube Oil Volume Values to Licensee Control (WBN-TS-22-06) CNL-23-049, Tennessee Valley Authority - Radiological Emergency Plan and Central Emergency Control Center Emergency Plan .2023-06-26026 June 2023 Tennessee Valley Authority - Radiological Emergency Plan and Central Emergency Control Center Emergency Plan . ML23122A2322023-06-0707 June 2023 Issuance of Amendment Nos. 162 and 69 Regarding Change to Date in Footnotes for Technical Specification 3.7.11, Control Room Emergency Air Temperature Control System (Creatcs) CNL-23-044, Transmittal of Revision 3 to WCAP-18774-P and WCAP-18774-NP, Addendum to the Rotterdam Dockyard Company Final Stress Report for 173 P.W.R. Vessels TVA III & IV (Report No. 30749-B-030, Rev. 3) - Evaluation of One Closure Stud Out2023-06-0101 June 2023 Transmittal of Revision 3 to WCAP-18774-P and WCAP-18774-NP, Addendum to the Rotterdam Dockyard Company Final Stress Report for 173 P.W.R. Vessels TVA III & IV (Report No. 30749-B-030, Rev. 3) - Evaluation of One Closure Stud Out IR 05000390/20234032023-05-30030 May 2023 Cyber Security Inspection Report 05000390/2023403 and 05000391/2023403 ML23131A1812023-05-23023 May 2023 Correction to Amendment No. 161 to Facility Operating License No. NPF-90 CNL-23-042, Radiological Emergency Plan and Central Emergency Control Center Emergency Plan Implementing Procedure Revisions2023-05-16016 May 2023 Radiological Emergency Plan and Central Emergency Control Center Emergency Plan Implementing Procedure Revisions IR 05000390/20220032023-05-0909 May 2023 Reissue Watts Bar Nuclear Plant - Integrated Inspection Report 05000390/2022003 and 05000391/2022003 ML23125A2202023-05-0505 May 2023 Issuance of Amendment No. 161 Regarding a Change to Footnotes for Technical Specification Table 1.1-1 Modes (Emergency Circumstances) IR 05000390/20230012023-05-0404 May 2023 Integrated Inspection Report 05000390/2023001 and 05000391/2023001 CNL-23-043, Emergency License Amendment Request to Relax the Required Number of Fully Tensioned Reactor Pressure Vessel Head Closure Studs in Technical Specification Table 1.1-1, Modes (WBN-TS-23-09)2023-05-0404 May 2023 Emergency License Amendment Request to Relax the Required Number of Fully Tensioned Reactor Pressure Vessel Head Closure Studs in Technical Specification Table 1.1-1, Modes (WBN-TS-23-09) CNL-23-032, Clinch River, Sequoyah, Units 1 and 2, Watts Bar, Unit 1 and 2, Nuclear Quality Assurance Plan, TVA-NQA-PLN89-A, Revision 412023-04-27027 April 2023 Clinch River, Sequoyah, Units 1 and 2, Watts Bar, Unit 1 and 2, Nuclear Quality Assurance Plan, TVA-NQA-PLN89-A, Revision 41 CNL-23-030, Tennessee Valley Authority - Hydrologic Engineering Center River Analysis System Project Milestone Status Update2023-04-27027 April 2023 Tennessee Valley Authority - Hydrologic Engineering Center River Analysis System Project Milestone Status Update CNL-23-033, Radiological Emergency Plan and Central Emergency Control Center Emergency Plan Implementing Procedure Revision2023-04-24024 April 2023 Radiological Emergency Plan and Central Emergency Control Center Emergency Plan Implementing Procedure Revision CNL-23-029, Radiological Emergency Plan and Central Emergency Control Center Emergency Plan Implementing Procedure Revisions2023-04-11011 April 2023 Radiological Emergency Plan and Central Emergency Control Center Emergency Plan Implementing Procedure Revisions ML23072A0652023-04-0505 April 2023 Units 1 and 2 Issuance of Amendment Nos. 364 and 358; 160 and 68 Regarding a Revision to Technical Specification 3.4.12 ML23073A2762023-04-0303 April 2023 Individual Notice of Consideration of Issuance of Amendments to Facility Operating Licenses, Proposed No Significant Hazards Consideration Determination, and Opportunity for a Hearing (EPID L-2023-LLA-0029) (Letter) CNL-23-023, Annual Insurance Status Report2023-03-30030 March 2023 Annual Insurance Status Report CNL-23-024, TVA Guarantee of Payment of Deferred Premiums - 2022 Annual Report2023-03-29029 March 2023 TVA Guarantee of Payment of Deferred Premiums - 2022 Annual Report 2024-01-09
[Table view] |
Text
U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001
Gentlemen:
In the Matter of the ) Docket No. 50-390 Tennessee Valley Authority )
WATTS BAR NUCLEAR PLANT (WBN) UNI T 1 - CORE OPERATING LIMITS REPORT (COLR) FOR CYCLE 9, REVISION 0 The purpose of this letter is to provide Revision 0 of the Cycle 9 COLR in accordance with WBN Technical Specification 5.9.5.d. This revision wa s effective as of March 5, 2008.
There are no regulatory commitments associated with this submittal. If you have any questions concerning this letter, pleas e contact me at (423) 365-1824.
Sincerely,
M. K. Brandon Manager, Site Licensing
and Industry Affairs
Enclosure:
Watts Bar Nuclear Plant Unit 1, Cycle 9 Core Operating Limits Report, Revision 0
cc: See Page 2 U.S. Nuclear Regulatory Commission Page 2
Enclosure
cc (Enclosure):
NRC Resident Inspector Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381
ATTN: Margaret H. Cher noff, Senior Project Manager U.S. Nuclear Regulatory Commission Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation MS O-8 H4-A Washington, DC 20555-0001
U.S. Nuclear Regulatory Commission Region II Sam Nunn Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303
Enclosure Watts Bar Nuclear Plant Unit 1 Cycle 9 Core Operating Li mits Report, Revision 0
COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 2 of 10 Revision 0 1.0 CORE OPERATING LIMITS REPORT This Core Operating Limits Report (COLR) for Watts Bar Unit 1 Cycle 9 has been prepared in accordance with the requirements of the Technical Specifications 5.9.5. The Technical Specifications affected by this report are listed below:
3.1.4 Moderator Temperature Coefficient (MTC) 3.1.6 Shutdown Bank Insertion Limits 3.1.7 Control Bank Insertion Limits 3.2.1 Heat Flux Hot Channel Factor (F Q (Z))3.2.2 Nuclear Enthalpy Rise Hot Channel Factor (FH N)3.2.3 Axial Flux Difference (AFD) 3.5.1 Accumulators 3.5.4 Refueling Water Storage Tank (RWST) 3.9.1 Boron Concentration 2.0 OPERATING LIMITSThe cycle-specific parameter limits for the specifications listed in section 1.0 are presented in the following subsections. These limits have been developed using the NRC approved methodologies specified in the Technical Specifications Section 5.9.5.
The following abbreviations are used in this section: BOL -- Beginning of Cycle Life ARO -- All Rods Out HZP -- Hot Zero Thermal Power EOL -- End of Cycle Life RTP -- Rated Thermal Power COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 3 of 10 Revision 0 2.1 MODERATOR TEMPERATURE COEFFICIENT - MTC (LCO 3.1.4) 2.1.1 The MTC limits are: The BOL/ARO/HZP - MTC shall be less positive than or equal to 0 k/k/ F (upper limit). With the measured BOL/ARO/HZP - MTC more positive than -1.00 x 10
-5k/k/F (as-measured MTC limit), establish control rod withdrawal limits to ensure the MTC remains less positive than or equal to 0 k/k/F (upper limit) for all times in core life.The EOL/ARO/RTP - MTC shall be less negative than or equal to -4.5 x 10-4k/k/F (lower limit). 2.1.2 The 300 ppm surveillance limit is: The measured 300 ppm /ARO/RTP-MTC should be less negative than or equal to -3.75 x 10
-4k/k/ F.2.1.3 The 60 ppm surveillance limit is: The measured 60 ppm /ARO/RTP-MTC should be less negative than or equal to -4.28 x 10
-4k/k/ F.2.2 SHUTDOWN BANK INSERTION LIMITS (LCO 3.1.6) 2.2.1 The shutdown banks shall be withdrawn to a position greater than or equal to 225 steps withdrawn.2.3 CONTROL BANK INSERTION LIMITS (LCO 3.1.7) 2.3.1 The control banks are fully withdrawn or shall be limited in physical insertion as shown in Figure 1. 2.3.2 Each control bank shall be considered fully withdrawn from the core at greater than or equal to 225 steps.
COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 4 of 10 Revision 0 2.3.3 The control banks shall be operated in sequence by withdrawal of Bank A, Bank B, Bank C, and Bank D. The control banks shall be sequenced in reverse order upon insertion.2.3.4. Each control bank not fully withdrawn from the core shall be operated with the following overlap as a function of park position. Park Position (steps) Bank Overlap (steps) Bank Difference(steps) 225 109 116 226 110 116 227 111 116 228 112 116
229 113 116 230 114 116 231 115 1162.4 HEAT FLUX HOT CHANNEL FACTOR - F Q(Z) (LCO 3.2.1)
F Q (Z) [CFQ/ P]
- K(Z) for P > 0.5 F Q (Z) [CFQ/ 0.5]
- K(Z) for P 0.5 Where P = Thermal Power / Rated Thermal Power 2.4.1 CFQ = 2.50 2.4.2 K(Z) is provided in Figure 2.
2.4.3 F Q C (Z) = F Q M (Z)
- 1.0815 where: F Q M(Z) is the measured value of F Q(Z) obtained from incore flux map results and 1.0815 is a factor that accounts for fuel manufacturing tolerances and flux map measurement uncertainty. 2.4.4 F Q W(Z) = F Q C (Z)
- W(Z) where: W(Z) values are provided in Table A.1. The table provides sufficient information to determine W(Z) versus core height for all cycle burnups.
COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 5 of 10 Revision 0 2.4.5 F Q W(Z) Penalty Factor The F Q W(Z) penalty factor is provided in Table A.2. 2.5 NUCLEAR ENTHALPY RISE HOT CHANNEL FACTOR - FH N (LCO 3.2.2)
FH N FH RTP * ( 1 + PF * ( 1-P)) where P = Thermal Power / Rated Thermal Power FH RTP = 1.65 for RFA-2 fuel, and PF = 0.3 2.6 AXIAL FLUX DIFFERENCE - AFD (LCO 3.2.3) 2.6.1 The AFD limits for Cycle 9 are provided in Figure 3. 2.7 REFUELING BORON CONCENTRATION (LCO 3.9.1) 2.7.1 The refueling boron concentration shall be 2000 ppm. 2.8 ACCUMULATORS (LCO 3.5.1) 2.8.1 There are 368 tritium producing burnable absorber rods (TPBARs) in the reactor core for Cycle 9. 2.9 REFUELING WATER STORAGE TANK - RWST (LCO 3.5.4) 2.9.1 There are 368 tritium producing burnable absorber rods (TPBARs) in the reactor core for Cycle 9.
COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 6 of 10 Revision 0 (0.0, 180)(0.197, 225)(0.703, 225)(0.0, 64)(1.0, 177)
(0.227, 0)
BANK DBANK CBANK B 0 25 50 751001251501752002252500.00.10.20.30.40.50.60.70.80.91.0FRACTIONAL OF RATED THERMAL POWERROD BANK STEP POSITION (STEPS WITHDRAWN)
Figure 1 Control Bank Insertion Limits Versus Thermal Power Four Loop Operation
- Fully withdrawn region shall be the condition where shutdown and control banks are at a position within the interval of 225 and 231 steps withdrawn.
COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 7 of 10 Revision 0 Figure 2 K(Z) - Normalized F Q(Z) as a Function of Core Height024681012 0 0.2 0.4 0.1 0.3 0.5 0.6 0.7 0.9 1.1 0.8 1.0 1.2 Core Height K(Z) 0.000 1.000 6.000 1.000 12.000 0.9256Core Height (feet)Normalized F Q
- Power COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 8 of 10 Revision 0 Figure 3 Figure 3 Axial Flux Difference Acceptable Operation Limits as a Function of Rated Thermal Power (RAOC) 0 10 20 30 40 50 60 70 80 90100110 120-50-40-30-20-1001020304050Flux Difference (I) %% of Rated Thermal Powe r(7, 100)(-12, 100)(-28, 50)Unacceptable OperationAcceptable Operation(21, 50)Unacceptable Operation COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 9 of 10 Revision 0 Table A.1 F Q W(Z) = F Q C(Z)
Height (ft) Max W(z) at 150 MWD/MTU Max W(z) at 2000 MWD/MTU Max W(z) at 4000 MWD/MTU Max W(z) at 10000 MWD/MTU Max W(z) at 18000 MWD/MTU 12.0000 1.0000 1.0000 1.0000 1.0000 1.0000 11.8000 1.0000 1.0000 1.0000 1.0000 1.0000 11.6000 1.0000 1.0000 1.0000 1.0000 1.0000 11.4000 1.0000 1.0000 1.0000 1.0000 1.0000 11.2000 1.0000 1.0000 1.0000 1.0000 1.0000 11.0000 1.0000 1.0000 1.0000 1.0000 1.0000 10.8000 1.3158 1.3647 1.3317 1.2020 1.1787 10.6000 1.3136 1.3556 1.3261 1.1932 1.1745 10.4000 1.3103 1.3436 1.3177 1.1854 1.1703 10.2000 1.3090 1.3295 1.3089 1.1793 1.1644 10.0000 1.3033 1.3142 1.2978 1.1723 1.1600 9.8000 1.2973 1.2965 1.2842 1.1678 1.1558 9.6000 1.2904 1.2817 1.2710 1.1641 1.1555 9.4000 1.2801 1.2715 1.2619 1.1604 1.1590 9.2000 1.2679 1.2609 1.2571 1.1592 1.1620 9.0000 1.2575 1.2502 1.2509 1.1584 1.1728 8.8000 1.2542 1.2447 1.2475 1.1628 1.1843 8.6000 1.2550 1.2454 1.2475 1.1741 1.2001 8.4000 1.2601 1.2480 1.2471 1.1861 1.2220 8.2000 1.2620 1.2479 1.2438 1.1970 1.2399 8.0000 1.2619 1.2460 1.2381 1.2057 1.2553 7.8000 1.2597 1.2422 1.2319 1.2121 1.2682 7.6000 1.2554 1.2367 1.2282 1.2164 1.2781 7.4000 1.2491 1.2293 1.2269 1.2184 1.2851 7.2000 1.2409 1.2203 1.2228 1.2183 1.2893 7.0000 1.2341 1.2131 1.2168 1.2161 1.2906 6.8000 1.2283 1.2067 1.2095 1.2125 1.2892 6.6000 1.2214 1.1991 1.2007 1.2074 1.2850 6.4000 1.2123 1.1896 1.1902 1.2006 1.2783 6.2000 1.2016 1.1785 1.1782 1.1921 1.2691 6.0000 1.1915 1.1699 1.1688 1.1816 1.2573 5.8000 1.1816 1.1610 1.1589 1.1721 1.2437 5.6000 1.1725 1.1518 1.1485 1.1649 1.2268 5.4000 1.1644 1.1457 1.1417 1.1587 1.2095 5.2000 1.1560 1.1425 1.1395 1.1538 1.2027 5.0000 1.1520 1.1405 1.1380 1.1522 1.2031 4.8000 1.1500 1.1384 1.1369 1.1539 1.2041 4.6000 1.1470 1.1354 1.1360 1.1593 1.2030 4.4000 1.1433 1.1319 1.1343 1.1633 1.2009 4.2000 1.1390 1.1277 1.1321 1.1669 1.1975 4.0000 1.1342 1.1233 1.1296 1.1703 1.1936 3.8000 1.1287 1.1179 1.1265 1.1727 1.1876 3.6000 1.1243 1.1142 1.1252 1.1765 1.1841 3.4000 1.1225 1.1136 1.1285 1.1847 1.1874 3.2000 1.1261 1.1164 1.1336 1.1928 1.1902 3.0000 1.1289 1.1259 1.1411 1.2001 1.1986 2.8000 1.1405 1.1423 1.1574 1.2160 1.2086 2.6000 1.1631 1.1622 1.1811 1.2403 1.2199 2.4000 1.1858 1.1829 1.2040 1.2628 1.2384 2.2000 1.2086 1.2057 1.2271 1.2851 1.2564 2.0000 1.2313 1.2286 1.2500 1.3069 1.2736 1.8000 1.2528 1.2507 1.2725 1.3276 1.2904 1.6000 1.2746 1.2719 1.2940 1.3470 1.3063 1.4000 1.3005 1.2912 1.3136 1.3643 1.3205 1.2000 1.3291 1.3078 1.3303 1.3785 1.3320 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 0.8000 1.0000 1.0000 1.0000 1.0000 1.0000 0.6000 1.0000 1.0000 1.0000 1.0000 1.0000 0.4000 1.0000 1.0000 1.0000 1.0000 1.0000 0.2000 1.0000 1.0000 1.0000 1.0000 1.0000 0.0000 1.0000 1.0000 1.0000 1.0000 1.0000 COLR for Watts Bar Unit 1, Cycle 9 Unit 1 Cycle 9 WATTS BAR Page 10 of 10 Revision 0 Table A.2 F Q W(Z) Penalty Factor Note:1.The Penalty Factor, which is applied to F Q W(Z) for compliance with Surveillance Requirement 3.2.1.2.a, is the maximum factor by which F Q W(Z) is expected to increase per 31 Effective Full Power Days (EFPD) starting from the burnup at which the F Q W(Z) was determined. Core F Q W(Z)Burnup Penalty(MWD/MTU)FactorAll Burnups1.0200