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{{Adams
#REDIRECT [[L-2014-069, Turkey Point, Unit 3, Core Operating Limits Report]]
| number = ML14106A018
| issue date = 03/26/2014
| title = Turkey Point, Unit 3, Core Operating Limits Report
| author name = Kiley M
| author affiliation = Florida Power & Light Co
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000250
| license number =
| contact person =
| case reference number = L-2014-069
| document type = Fuel Cycle Reload Report, Letter
| page count = 11
}}
 
=Text=
{{#Wiki_filter:-t0FPL.MAR 2 6 2014L-2014-069 10 CFR 50.36U.S. Nuclear Regulatory Commission Attn: Document Control DeskWashington, D. C. 20555-0001 Re: Turkey Point Unit 3Docket No. 50-250Core Operating Limits ReportIn accordance with Technical Specification 6.9.1.7, the attached Core Operating Limits Report(COLR) is provided for Turkey Point Unit 3. The COLR is applicable for Unit 3 Cycle 27.Should there be any questions, please contact Robert Tomonto, Licensing Manager,at 305-246-7327.
Very truly yours,Michael KileySite Vice President Turkey Point Nuclear PlantAttachment cc: Regional Administrator, Region II, USNRCSenior Resident Inspector, USNRC, Turkey Point PlantFlorida Power & Light Company9760 SW 344 St Homestead, FL 33035
$Attachment to L-2014-069 Page 1 of 10TURKEY POINT UNIT 3 CYCLE 27 COLRTurkey Point Unit 3 Cycle 27Core Operating Limits Report (COLR)14A-A1 Attachment to L-2014-069 Page 2 of 10TURKEY POINT UNIT 3 CYCLE 27 COLR
 
==1.0 INTRODUCTION==
 
This Core Operating Limits Report for Turkey Point Unit 3 Cycle 27 has been prepared in accordance with the requirements of Technical Specification 6.9.1.7.The Technical Specifications (TS) affected by this report are listed below with the section and page foreach one of the TS addressed in this COLR document.
Section Technical Specification 2.12.22.32.42.52.62.72.82.92.102.112.122.1.12.2.13.1.1.13.1.1.23.1.1.34.1.1.33.1.3.23.1.3.63.2.13.2.23.2.33.2.5Reactor Core Safety LimitsReactor Trip System Instrumentation Setpoints, Table 2.2-1, Notes 1 & 3Shutdown Margin Limit for MODES 1, 2, 3, 4Shutdown Margin Limit for MODE 5Moderator Temperature Coefficient MTC Surveillance at 300 ppmAnalog Rod Position Indication SystemControl Rod Insertion LimitsAxial Flux Difference Heat Flux Hot Channel Factor FQ(Z)Nuclear Enthalpy Rise Hot Channel FactorDNB Parameters Description Reactor Core Safety Limit -Three Loops in Operation Required Shutdown Margin vs Reactor Coolant Boron Concentration Turkey Point Unit 3 Cycle 27 Rod Insertion Limits vs Thermal PowerAxial Flux Difference as a Function of Rated Thermal PowerPage14A-A314A-A3-14A-A4 14A-A414A-A414A-A514A-A514A-A514A-A514A-A514A-A514A-A614A-A614A-A714A-A814A-A914A-A10FigureAlA2A3A414A-A2
.4Attachment to L-2014-069 Page 3 of 10TURKEY POINT UNIT 3 CYCLE 27 COLR2.0 OPERATING LIMITSThe cycle-specific parameter limits for the specifications listed in the Introduction are presented below andlisted sequentially by Technical Specification (TS). These limits have been developed using the NRC-approved methodologies specified in TS 6.9.1.7.2.1 Reactor Core Safety Limits -Three Loops in Operation (TS 2.1.1)-Figure Al (page 14A-A7)In Modes 1 and 2, the combination of Thermal Power, reactorcoolant system highest loop average temperature andpressurizer pressure shall not exceed the limits in Figure Al.2.2 Reactor Trip System Instrumentation Setpoints (TS 2.2.1)NOTE 1 on TS Table 2.2-1 OvertemDerature ATTl = OS, T2 = OST3 = 2sK1 = 1.31K2= 0.023/OFLead/Lag compensator on measured ATLag compensator on measured AT-4 = 25s, T5 = 3s-T6 = 2s-T'_583.0 OF-K3 = 0.00116/psi
-P' _ 2235 psigTime constants utilized in the lead-lag compensator for TavgLag compensator on measured TavgIndicated Loop Tavg at RATED THERMAL POWERNominal RCS operating pressurefl(AI) = 0 for qt -qb between -18% and + 7%.For each percent that the magnitude of qt -qb exceeds -18%,the AT Trip Setpoint shall be automatically reduced by 3.51%of its value at RATED THERMAL POWER; andFor each percent that the magnitude of qt -qb exceeds + 7%,the AT Trip Setpoint shall be automatically reduced by 2.37%of its value at RATED THERMAL POWER.Where qt and qb are percent RATED THERMAL POWERin the top and bottom halves of the core respectively, andqt + qb is total THERMAL POWER in percent of RATEDTHERMAL POWER.14A-A3
* ., sAttachment to L-2014-069 Page 4 of 10TURKEY POINT UNIT 3 CYCLE 27 COLRNOTE 2 on TS Table 2.2-1 Overtemperature AT (Not affected by COLR,included forcompleteness)
The Overtemperature AT function Allowable Value shall not exceed the nominal tripsetpoint by more than 0.5% AT span for the AT channel, 0.2% AT span for the Pressurizer Pressure
: channel, and 0.4% AT span for the f(AI) channel.
No separate Allowable Value isprovided for Tavg because this function is part of the AT value.NOTE 3 on TS Table 2.2-1 Overpower AT-K4 1-10-K5 0.010F-K5= 0.0-T705S-K6 0. 00 16/1F-K6 0-0-T":!583.OOF For increasing average temperature For decreasing average temperature Time constants utilized in the lead-lag compensator for TavgFor T > T"For T < T"Indicated Loop Tavg at RATED THERMAL POWER-f2(Al)= 0For all AlNOTE 4 on TS Table 2.2-1 Overpower AT (Not affected by COLR, included forcompleteness)
The Overpower AT function Allowable Value shall not exceed the nominal trip setpoint bymore than 0.5% AT span for the AT channel.
No separate Allowable Value is provided forTavg because this function is part of the AT value.2.3 Shutdown Margin Limit for MODES 1, 2, 3 and 4 (TS 3.1.1.1)-Figure A2 (page 14A-A8)2.4 Shutdown Margin Limit for MODE 5 (TS 3.1.1.2)-> 1.77% Ak/k14A-A4 Attachment to L-2014-069 Page 5 of 10TURKEY POINT UNIT 3 CYCLE 27 COLR2.5 Moderator Temperature Coefficient (MTC) (TS 3.1.1.3)-< +5.O0Xl10 5Ak/k/OFBOL, HZP, ARO and from HZPto 70% Rated Thermal Power(RTP)-From 70% RTP to 100% RTP the MTCdecreasing linearly from < + 5.0 x 10-5 Ak/k/&deg;Fto < 0.0 x 10s Ak/k/&deg;F-Less negative than -41.0 x 10s Ak/k/&deg;FEOL, RTP, ARO2.6 MTC Surveillance at 300 ppm (TS 4.1.1.3)-Less negative than -35.0 x 10- Ak/k/&deg;FWithin 7 EFPD of reachingequilibrium boron concentration of 300 ppm.2.7 Analog Rod Position Indication System (TS 3.1.3.2)-Figure A3 (page 14A-A9)The All Rods Out (ARO) position for all shutdown Banks andControl Banks is defined to be 230 steps withdrawn.
2.8 Control Rod Insertion Limits (TS 3.1.3.6)-Figure A3 (page 14A-A9)The control rod banks shall be limited in physical insertion asspecified in Figure A3 for ARO =230 steps withdrawn.
2.9 Axial Flux Difference (TS 3.2.1)-Figure A4 (page 14A-A10)2.10 Heat Flux Hot Channel Factor FQ(Z) (TS 3.2.2)-[FQ]L = 2.30-K(z) =1.0For 0' < z < 12' where z is core height in ft14A-A5 Attachment to L-2014-069 Page 6 of 10TURKEY POINT UNIT 3 CYCLE 27 COLR2.11 Nuclear Enthalpy Rise Hot Channel Factor (TS 3.2.3)-FAHRTP = 1.600 PFAH = 0.32.12 DNB Parameters (TS 3.2.5)-RCS Tavg < 585.0 OF-Pressurizer Pressure
> 2204 psig14A-A6 a W.Attachment to L-2014-069 Page 7 of 10TURKEY POINT UNIT 3 CYCLE 27 COLR660640620EI-,,0o 600"T"50054()1,4Core Power (fraction of 2644 MWt)FIGURE Al Reactor Core Safety Limit -Three Loops in Operation 14A-A7 AAttachment to L-2014-069 Page 8 of 10TURKEY POINT UNIT 3 CYCLE 27 COLRFIGURE A2Required Shutdown Margin vs Reactor CoolantBoron Concentration 2(0.0, 1.77)A.1 ------------- -- -----------------------zz=0wU_0..1.510.500500 1000 50.0RCS BORON CONCENTRATION (PPM)200014A-A8 Attachment to L-2014-069 Page 9 of 10TURKEY POINT UNIT 3 CYCLE 27 COLRFIGURE A3Turkey Point Unit 3 Cycle 27 Rod Insertion Limits vs Thermal PowerARO = 230 Steps Withdrawn, Overlap = 102 Steps20.0.C.)C)2302202101901801601501401301201009080706050403020100264.5, 30)170 (100. 71)BnC110 (0, 05)B nk D0 10 20 30 40 50 60Percent Reactor Power70 80 90 10014A-A9 Attachment to L-2014-069 Page 10 of 10TURKEY POINT UNIT 3 CYCLE 27 COLRFIGURE A4Axial Flux Difference as a Function of Rated Thermal PowerTurkey Point Unit 3 Cycle 2700.-IIL12010080604020(-9,- 00) (+5,10()UNAC EPTABLE U ACCEPTA LEOPE RATION OPERATION
(-30,50)
ACCEPTA LE (+2050)OPERATI N0-50 30 10 0 10Axial Flux Difference
(%)20 30 40 5014A-A10}}

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