L-2010-230, Core Operating Limits Report

Core Operating Limits Report

ML102940047
Person / Time
Site:	Turkey Point
Issue date:	10/11/2010
From:	Kiley M Florida Power & Light Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
L-2010-230
Download: ML102940047 (4)

Text

FPL. OCT 1 12010 POWERING TODAY.

EMPOWERING TOMORROW.

L-2010-230 10 CFR 50.36 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C. 20555-0001 Re: Turkey Point Unit 3 Docket No. 50-250 Core Operating Limits Report In accordance with Technical Specification 6.9.1.7, the attached Core Operating Limits Report is provided for Turkey Point Unit 3. These curves are applicable for Unit 3 Cycle 25.

Should there be any questions, please contact Robert J. Tomonto, Licensing Manager, at 305-246-7327.

Very truly yours,'

Michael Kiley Site Vice President Turkey Point Nuclear Plant Attachment cc: Regional Administrator, Region II, USNRC Senior Resident Inspector, USNRC, Turkey Point Plant 40o/

an FPL Group company

Attachment to L-2010-230 Page 1 of 3 CORE OPERATING LIMITS REPORT - UNIT 3 CYCLE 25 The Technical Specifications (TS) affected by this report are:

3.1.3.2 Analog Rod Position Indication System 3.1.3.6 Control Rod Insertion Limits 3.2.1 Axial Flux Difference (AFD) 3.2.2 Heat Flux Hot Channel Factor - FQ(Z) 3.2.3 Nuclear Enthalpy Rise Hot Channel Factor - FAH The Control Rod Insertion Limits, AFD, FQ(Z), K(Z), and FAH have been developed using the NRC approved methodology specified in TS 6.9.1.7.

TS 3.1.3.2 Analog Rod Position Indication System The All Rods Out position for all Shutdown Banks and Control Banks is defined to be 228 steps withdrawn.

TS 3.1.3.6 Control Rod Insertion Limits The control rod banks shall be limited in physical insertion as shown on Figure 1 for All Rods Out = 228 steps withdrawn.

TS 3.2.1 Axial Flux Difference The AFD limits are provided on Figure 2.

TS 3.2.2 Heat Flux Hot Channel Factor - FQ(Z)

L FQ = 2.50 K(Z) = 1.0 for 0 ft. < Z __12 ft. where Z = core height.

TS 3.2.3 Nuclear Enthalpy Rise Hot Channel Factor RTP FAH = 1.70 PFAH = 0.3

Attachment to L-2010-230 Page 2 of 3 Figure 1 Turkey Point Unit 3 - Cycle 25 Rod Insertion Limits vs Thermal Power ARO = 228 SteDS Withdrawn, Overlao = 100 Steos 230 (63.5,228) -

220 210 _ _(5 2,212 _ __

200 190 180 / ' (-100,11'1) 170 CL 160

.0) 150 fBank C J

0. 140 130 0 120 110 ý;4(o,1o5)

C-)

100 90 80 SBa nk D3 70 60 50 40 30 20 10 0

0 10 20 30 40 50 60 70 80 90 100 Percent Reactor Power

Attachment to L-2010-230 Page 3 of 3 Figure 2 Axial Flux Difference as a Function of Rated Thermal Power 120 Turkey Point Unit 3 - Cycle 25

(-1 ,100) (+7,100) 100 5

wj 0 80 CL

-j UNA CEPTABLE U 4ACCEPTABLE OP RATION OPERATI N 60

(-30,50) ACCEPT BLE 0 OPERA ION (+2!,50)

Cw 40 C-20 0

-50 -40 -30 -20 -10 0 10 20 30 40 50 Axial Flux Difference (%)