ML20044F973

Revised, Quad-Cities Unit 2,Cycle 13 Colr

ML20044F973
Person / Time
Site:	Quad Cities
Issue date:	05/21/1993
From:	COMMONWEALTH EDISON CO.
To:
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ML20044F972	List: ML20044F971 ML20044F973
References
NUDOCS 9306010273
Download: ML20044F973 (21)

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QUAD CITIES UNIT 2 CYCLE 13 CORE OPERATING LIMITS REPORT i

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Core Operating Limits Report ISSUANCE OF CHANGES

SUMMARY

Affected Affected l

Section Pages Summary of Changes Date All All Original Issue (Cycle 11) 10/89 l

l' All All Original issue (Cycle 12) 11/91 Reissue 2/92 All All Original issue (Cycle 13) 2/93 2

2 Added Sectisn 2.3 on SLO 3/93 i

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Quad Cities Unit 2 Cycle 13 i

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i Core Optrating Limits Report 1

l TABLE OF CONTENTS R EF E R E N C E5......................................................................................... i LI ST O F TA B LES............................................................................................,

LI ST O F FI C U R ES.......................................................................................... v 1.0 CONTROL ROD WITHDRAWAL BLOCK INSTRUMENTATION....................I l

1.1. TECH NICAL SPECIFICATION

REFERENCE:

....................................... 1 1. 2. D ES C RI PTI O N :............................................................................... 1 2.0 AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR)............ 2 l

2.1 TECHNICAL SPECIFICATION

REFERENCE:

....................................... 2 1

2.2 D ES C R I PTl O N :........................................................................... 2 1

2.3 SI NGLE LOOP OPERATION M U LTIPLIER:........................................ 2 3.0 LIN EAR H EAT C EN ERATIO N RATE (LH C R)............................................. 3 t

3.1 TECHNICAL SPECIFICATION

REFERENCE:

...................................... 3 i

3.2 D ES C R I Ul O N : -............................................................................... 3 4.0 MINIM U M CRITICAL POWER RATIO (MCPR)............................................ 4 4.1 TECH NICAL SPECIFICATION

REFERENCE:

....................................... 4 4.2 D ES C R I PTI O N :........................................................................... 4 1

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..II Quad Cities Unit 2 Cycle 13 l

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Core Operating Limits Report REFERENCES ~

1.

Commonwealth Edison Company and towa-Illinois Gas and Electric Company Docket No. 50-265, Quad Cities Station, Unit 2 Facility Operating License, License No. DPR-30.

2.

Letter from D. M. Crutchfield to All Power Reactor Licenses and Applicants, Generic Letter 88-16; Concerning the Removal of Cycle-Specific Parameter Limits from Technical Specifications.

3.

Supplemental Reload Licensing Report for Quad Cities Nuclear Power Station, Unit 2 Reload 12 Cycle 13,23A7197, Revision 0, Class I, November 1992.

4.

Quad Cities Nuclear Power Station, Units 1 and 2, SAFER /CESTR - LOCA Loss-of-Coolant Accident Analysis, NEDC-31345P, Revision 2, Class lil,,luly 1989 (as amended).

5.

Loss-of-Coolant Accident Analysis Report for Dresden Units 2,3 and Quad Cities Units I,2 Nuclear Power Stations, NEDO-24146A, Revision 1, Class I, April 1979.

e 6.

General Electric Standard Application for Reactor fuel (CESTAR),

NEDE-24011-P-A-10, Class 111, February 1991.

7.

Extended Operating Domain and Equipment Out-Of-Service for Quad Cities Nuclear Power Station Units 1 ano 2, NEDC-31449, Revision 1, Class 11, July 1992.

8.

General Electric Procedure Y1003V43,' Thermal-Mechanical Limit Evaluation,'

Revision 4 February 1991.

9.

R. E. Parr letter to R.J. Chin,'QC1/QC2 SAFER GESTR Single Loop Operation Analysis with Delayed LPCI Injection,' dated February 12,1993, REP:93-020.

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'm Quad Cities Unit 2 Cycle 13

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Core Operating Limits Report l

3 LIST OF TABLES l

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- Table Title Page j

Maximum Average Planar Linear Heat Generation l

i 2-1 Rate (MAPLHGR) vs. Average Planar Exposure for.

2-1 GE7B-P8DRB299-7G 3.0-80M-145-T.

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)i Maximum Average Planar Linear Heat Generation GE7B P8DRB299-7G4.0-80M-145-T.

2-2 Rate (MAPLHGR) vs. Average Planar Exposure for 2-2 Maximum Average Planar Linear Heat Generation 2-3 Rate (MAPLHCR) vs. Average Planar Exposure for-2-3 i

G E8 B-P8 DQB 300-9G 3.0- 80 M-4WR-145-T.

j Maximum Average Planar Linear Heat Generation-i 2-4 Rate (MAPLHCR) vs. Average Planar Exposure for.

2-4 GE88-P8 DQB316-7G4.0-80M-4WR-14 5-T.

Maximum Average Planar Linear Heat Generation r

2-5 Rate (MAPLHGR) vs. Average Planar Exposure for 2-5 GE9B-P8DWB310-9GZ-80M-14 5-T.

j, Maximum Average Planar Linear Heat Generation l

2-6 Rate (MAPLHGR) vs.- Average Planar Exposure for 2-6 i

GE9B-P8DWB299-11 GZ-80M-145-T.

Maximum Average Planar Linear Heat Generation l

2-7 Rate (MAPLHCR) vs. Average Planar Exposure for 2-7 j

GE98-P8DWB286-7C3.0-80M-145-T.

i Maximum Average Planar Linear Heat Generation 2-8 Rate (MAPLHCR) vs. Average Planar Exposure for 2-8 GE9B-P8DWB286-9GZ-80M 145-T.

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Maximum Average Planar Linear Heat Generation i

2-9 Rate (MAPLHGR) vs. Average Planar Exposure for 2-9 GE9B-P8DWB310-7G3.0-80M-14 5-T.

l Maximum Average Planar Linear Heat Generation 2-10 Rate (MAPLHGR) vs. Average Planar Exposure for 2-10 GE9B P8DWB30810GZ1-80M-145-T.

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i Quad Cities Unit 2 Cycle 13 i

Cor O. rating Limits Report LIST OF FIGURES Figure Title Page 1

4-1 Kf Factor vs. Core Flow %.

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t Quad Cities Unit 2 Cycle 13

Core Operating Limits Report 1.0 CONTROL ROD WITHDRAWAL BLOCK INSTRUMENTATION (3.2/4.2) 1.1.

TECHNICAL SPECIFICATION

REFERENCE:

Technical Specification Table 3.2-3 and 3.6.H

1.2. DESCRIPTION

The Rod Withdrawal Block Monitor Upscale Instrumentation Trip Setpoint for two recirculation loop operation is determined from the following relationship:

$_ (0.65)Wd + 43% **

• • Clamped, with an allowable value not to exceed the allowable value for recirculation loop drive flow (Wd) of 100%.

Wd is the percent of drive flow required to produce a rated core flow of 98 million Ib/hr. Trip level setting is in percent of rated power (2511 MWth).

Page1 Quad Cities Unit 2 Cycle 13

Core Operating Limits Report 2.0 AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR) (3.5/4.5) 2.1 TECHNICAL SPECIFICATION

REFERENCE:

l Technical Specification 3.5.1

2.2 DESCRIPTION

MAPLHCR versus Average Planar Exposure for GE7B-P8DRB299-7G3.0-80M-145-T is determined from Table 2-1.

l MAPLHCR versus Average Planar Exposure for GE7B-P8DRB299-7G4.0-80M-145-T is determined from Table 2-2.

MAPLHCR versus Average Planar Exposure for GE88-P8DQB300-9G3.0-80M-4WR-145-T is determined from Table 2-3.

t MAPLHCR versus Average Planar Exposure for GE8B-P8DQB316-7G4.0-80M-4WR 145-T is determined from Table 2-4.

MAPLHCR versus Average Planar Exposure for GE9B-P8DWB310-9GZ-80M-145-T is determined from Table 2-5.

MAPLHGR versus Average Planar Exposure for CE9B-P8DWB299-11GZ-80M-145-T is determined from Table 2-6.

MAPLHCR versus Average Planar Exposure for GE9B-P8DWB286-7G3.0-80M-145-T is determined from Table 2-7.

MAPLHGR versus Average Planar Exposure for GE9B-P8DWB286-9GZ-80M-145-T is determined from Table 2-8.

MAPLHCR versus Average Planar Exposure for GE98-P8DWB310-7G3.0-80M-145-T is determined from Table 2-9.

MAPLHGR versus Average Planar Exposure for GE98-P8DWB308-10GZ1-80M-145 T is determined from Table 2-10.

L 2.3 SINGLE LOOP OPERATION MULTIPLIER:

i The tabulated values are multiplied by 0.85 whenever Quad Cities enters Single Loop Operation (Reference 9).

Page 2 Quad Cities Unit 2 Cycle 13 i

Core Operating Limits Report 1

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TABLE 2-1 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE GE78-P8DRB299-7G3.0-80M-145-T l

LATTICE 488 : P8DRLO71-NOG-80M-T LATTICE 494 : P8DRL319-7G3.0-100M-T MAPLHGR LIMITS AVERAGE (KW/FT) 1

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PLANAR EXPOSURE 488 494 (GWd/ST) 0.20 11.00 11.00 1.00 11.00 11.00 5.00 11.60 11.60 10.00 12.20 12.20 15.00 12.10 12.10 20.00 12.00 12.00 25.00 11.50 11.50 30.00 10.90 10.90 35.00 10.30 10.30 40.00 9.70 9.70 45.00 9.00 9.00 Page 2-1 Quad Cities Unit 2 Cycle 13

i 4-Core Operating Limits Report

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TABLE 2-2 MAPLHGR vs. AVERAGE PLANAR EXPOSURE f

FOR BUNDLE TYPE : GE7B-P8DRB299-7G4.0 80M-145-T LATTICE 488 : P8DRLO71-NOG-80M T j

LATTICE 487 : P8DRL319-7G4.0-80M-T

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MAPLHCR LIMITS L

AVERAGE (KW/FT)

PLANAR-i EXPOSURE 488 487 (GWd/ST)

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5.00 11.50 11.50

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10.00 12.10 12.10 l

15.00 12.10 12.10 20.00 11.90 11.90' i

25.00 11.50 11.50 30.00 11.00 11.00 35.00 10.30 10.30 40.00 9.70 9.70 j

45.00 9.00 9.00 l

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Quad Cities Unit 2 Cycle 13

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P Core Operating Limits Report TABLE 2-3 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE GE88-P8DQB300 9G3.0-80M-4WR-145-T LATTICE 565 : P8DQLO71-NOG-80M-4WR-T LATTICE 671 : P8DQL320-9G3.0-80M-4WR-T LATTICE 686 : P8DQLO71-9CE2-80M 4WR T I

f AVERAGE MAPLHGR LIMITS (KW/FT)

PLANAR EXPOSURE 565 671 686 (GWd/ST)

O.00 11.57 11.39 11.57 0.20 11.50 11.42 11.50 1.00 11.30 11.50 11.30 2.00 11.28 11.75 11.28 3.00 11.33 12.08 11.33 4.00 11.40 12.47 11.40 5.00 11.48 12.80 11.48 6.00 11.55 13.01 11.55 7.00 11.61 13.16 11.61 8.00 11.66 13.29 11.66 9.00 11.69 13.39 11.69 r

10.00 11.72 13.44 11.72 12.50 11.44 13.34 11.44 15.00 11.07 12.96 11.07 20.00 10.29 12.19 10.29 25.00 9.50 11.46 9.50 35.00 7.93 10.08

'/.93 43.30 4.66 4.66 8.46 45.00 50.00 6.14 s

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i Quad Cities Unit 2 Cycle 13 1

Core Operating Limits Report

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TABLE 2-4 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE GE8B-P8DQB316-7G4.0-80M-4WR-145-T LATTICE 565 : P8DQLO71-NOG-80M-4WR-T LATTICE 679 : P8DQL337-7G4.0-80M-4WR-T LATTICE 649 : P8DQLO71-7CEl-80M-4WR-T AVERAGE MAPLHGR LIMITS (KW/FT)

PLANAR EXPOSURE 565 679 649 (GWd/ST)

O.00 11.57 11.70 11.57 0.20 11.50 11.69 11.50 1.00 11.30 11.74 11.30 2.00 11.28 11.86 11.28 3.00 11.33 12.01 11.33 4.00 11.40 12.18 11.40 5.00 11.48 12.38 11.48 6.00 11.55 12.59 11.55 7.00 11.61 1 2.81 11.61 8.00 11.66 12.99 11.66 9.00 11.69 13.06 11.69 10.00 11.72 13.08 11.72 12.50 11.44 13.01 11.44 15.00 11.07 12.66 11.07 20.00 10.29 11.97 10.29 25.00 9.50 11.31 9.50 35.00 7.93 10.05 7.93 43.30 4.66 4.66 45.00 8.45 50.00 5.99 Page 2-4 Quad Cities Unit 2 Cycle 13

Core Operating Limits Report TABLE 2-5 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE : GE98-P8DWB310-9GZ-80M 145-T LATTICE 731. P8DWLO71-NOG-80M-T LATTICE 847. PSDWL334-7G3.0-80M-T LATTICE 848 : P8DWL350-7G3.0-80M-T LATTICE 849 : P8DWL350-2G4.0/7G3.0-80M-T LATTICE 846 : P8DWLO71-9CEl-80M-T 1

AVERAGE MAPLHGR LIMITS (KW/FT)

PLANAR EXPOSURE 731 847 848 849 846 (GWd/ST) 0.00 11.64 12.25 11.78 11.31 11.64 0.20 11.57 12.32 11.85 11.39 11.57 1.00 11.38 12.46 11.99 11.55 11.38 2.00 11.36 12.62 12.19 11.78 11.36 3.00 11.41 12.79 12.36 12.02 11.41 4.00 11.49 12.96 12.52 12.22 11.49 5.00 11.56 13.14 12.69 12.44 11.56 6.00 11.63 13.23 1 2.81 12.60 11.63 7.00 11.69 13.30 12.93 12.77 11.69 8.00 11.74 13.38 13.04 12.93 11.74 9.00 11.78 13.43 13.14 13.08 11.78 10.00 11.81 13.46 13.21 13.20 11.81 12.50 11.54 13.41 1 3.21 13.21 11.54 15.00 11.16 13.02 12.94 12.93 11.16 20.00 10.37 12.28 12.30 12.29 10.37 25.00 9.58 11.57 11.61 11.60 9.58 35.00 8.01 10.27 10.29 10.27 8.01 43.70 4.71 4.71 45.00 9.02 8.98 8.92 51.1 0 5.90 51.20 5.96 5.90 Page 2-5 Quad Cities Unit 2 Cycle 13

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TABLE 2-6 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE : GE98-P8DWB299-11GZ-80M-145-T LATTICE 731 : P8DWLO71-NOG-80M-T LATTICE 850. P8DWL322-9G3.0-80M-T LATTICE 851 : P8DWL337-9C3.0-80M-T LATTICE 852 : P8DWL337-2G4.0/9G3.0-80M-T LATTICE 853 : P8DWLO71-11GE-80M-T AVERAGE MAPLHCR LIMITS (KW/FT)

PLANAR EXPOSURE 731 850 851 852 853 (CWd/ST) 0.00 11.64 11.49 11.31 10.87 11.64 0.20 11.57 11.52 11.38 10.96 11.57 1.00 11.38 11.62 11.56 11.14 11.38 2.00 11.3 d 11.87 11.84 11.44 11.36 3.00 11.41 12.19 12.05 11.70 11.41 4.00 11.49 12.57 12.21 11.88 11.49 5.00 11.56 12.94 12.37 12.07 11.56 6.00 11.63 13.04 12.54 12.27 11.63 7.00 11.69 13.14 12.'73 12.50 11.69 8.00 11.74 13.21 12.90 12.72 11.74 r

9.00 11.78 13.26 13.03 12.92 11.78 10.00 11.81 13.28 13.11 13.07 11.81 12.50 11.54 13.21 13.07 13.06 11.54 15.00 11.16 12.82 12.81 12.81 11.16 20.00 10.37 12.07 12.30 12.30 10.37 l

25.00 9.58 11.36 11.66 11.64 9.58 35.00 8.01 10.07 10.29 10.27 8.01 43.70 4.71 4.71 45.00 8.61 8.85 8.82 50.60 5.89 51.00 5.84 51.20 5.81 Page 2-6 Quad Cities Unit 2 Cycle 13

Core Operating Limits Report TABLE 2-7 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE : GE98-P8DWB286-7G3.0-80M-145-T LATTICE 731 P8DWLO71-NOG-80M-T LATTICE 1059 P8DWL306-7G3.0-80M-T 4

LATTICE 1060. P8DWL324-7G3.0-80M-T LATTICE 1061. P8DWLO71-7 gel-80M-T AVERAGE MAPLHGR LIMITS (KW/FT)

PLANAR EXPOSURE 731 1059 1060 1061 (GWd/ST) 0.00 11.64 12.38 11.95 11.64 0.20 11.57 12.45 12.03 11.57 1.00 11.38 12.54 12.11 11.38 2.00 11.36 12.65 12.30 11.36 3.00 11.41 12.75 12.57 11.41 4.00 11.49 12.85 12.88 11.49 5.00 11.56 12.94 12.97 11.56 6.00 11.63 12.95 13.01 11.63 7.00 11.69 12.97 13.09 11.69 8.00 11.74 13.01 13.17 11.74 9.00 11.78 13.05 13.21 11.78 10.00 11.81 13.09 13.23 11.81 12.50 11.54 13.04 13.16 11.54 15.00 11.16 12.71 12.79 11.16 20.00 10.37 12.06 12.06 10.37 25.00 9.58 11.43 11.37 9.58 35.00 8.01 10.04 10.12 8.01 43.66 4.71 4.71 45.00 8.60 8.68 50.66 5.84 50.75 5.91 Page 2-7 Quad Cities Unit 2 Cycle 13 i

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1 Core Operating Limits Report 1

.i TABLE 2-8 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE GE9B-P8DWB286-9GZ-80M-145-T LATTICE 731 P8DWLO71 NOG-80M-T LATTICE 1059 P8DWL306-7G3.0-80M-T LATTICE 1060 : P8DWL324-7G3.0-80M-T l

LATTICE 1000 : P8DWL324-2G4.0/7G3.0-80M-T LATTICE 1001 : P8DWLO71-9CE-80M T AVERAGE MAPLHGR LIMITS (KW/FT)

PLANAR EXPOSURE 731 1059 1060 1000 1001 (GWd/ST) 0.00 11.64 12.38 11.95 11.42 11.64 0.20 11.57 12.45 12.03 11.51 11.57 1.00 11.38 12.54 12.11 11.59 11.38 2.00 11.36 12.65 12.30 11.82 11.36 3.00 11.41 12.75 12.57 12.13 11.41 4.00 11.49 12.85 12.88 1 2.51 11.49 5.00 11.56 12.94 12.97 12.69 11.56 6.00 11.63 12.95 13.01 12.80 11.63 7.00 11.69 12.97 13.09 12.92 11.69 l

8.00 11.74 13.01 13.17 13.04 11.74 9.00 11.78 13.05 13.21 13.14 11.78 10.00 11.81 13.09 13.23 13.20 11.81 12.50 11.54 13.04 13.16 13.14 11.54 15.00 11.16 1 2.71 12.79 12.77 11.16 20.00 10.37 12.06 12.06 12.04 10.37 25.00 9.58 11.43 11.37 11.36 9.58 35.00 8.01 10.04 10.12 10.11 8.01 43.66 4.71 4.71 45.00 8.60 8.68 8.65 50.66 5.84 5.92 50.75 5.91 Page 2-8 Quad Cities Unit 2 Cycle 13

Core Operating Limits Report TABLE 2-9 MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE : GE98-P8DWB310-7G3.0-80M-145-T LATTICE 731 : P8DWLO71-NOG-80M-T LATTICE 1644 : P8DWL334-7G3.0-80M-T LATTICE 1645 : P8DWL350-7G3.0-80M-T LATTICE 1004 : P8DWLO71-7GE-80M-T AVERAGE MAPLHCR LIMITS (KW/FT)

PLANAR EXPOSURE 731 1644 1645 1004 (GWd/ST) 0.00 11.64 12.25 11.78 11.64 0.20 11.57 12.32 11.85 11.57 1.00 11.38 12.46 11.99 11.38 2.00 11.36 12.62 12.19 11.36 3.00 11.41 12.79 12.36 11.41 4.00 11.49 12.96 12.52 11.49 5.00 11.56 13.14 12.69 11.56 6.00 11.63 13.23 1 2.81 11.63 7.00 11.69 13.30 12.93 11.69 8.00 11.74 13.38 13.04 11.74 9.00 11.78 13.43 13.14 11.78 10.00 11.81 13.46 13.21 11.81 12.50 11.54 13.41 13.22 11.54 15.0('

11.16 13.03 12.95 11.16 20.00 10.37 12.29 1 2.31 10.37 25.00 9.58 11.58 11.62 9.58 35.00 8.01 10.28 10.31 8.01 43.66 4.71 4.71 45.00 9.04 9.01 51.41 5.88 51.43 5.94 Page 2-9 1

Quad Cities Unit 2 Cycle 13 a

Core Operating Limits Report TABLE 210 l

MAPLHGR vs. AVERAGE PLANAR EXPOSURE FOR BUNDLE TYPE : GE9B-P8DWB308-10GZ-80M-145 T LATTICE 731

P8DWLO71-NOG-80M-T LATTICF.1642 : P8DWL332-8G4.0/2G3.0-80M-T LATTICE 1669. P8DWL348-8G4.0/2G3.0-80M-T LATTICE 1188 : P8DWLO71-10GE-80M T AVERAGE MAPLHCR LIMITS (KW/FT) l PLANAR EXPOSURE 731 1642 1669 1188 (GWd/ST) 0.00 11.64 11.63 11.24 11.64 0.20 11.57 11.69 11.31 11.57 1.00 11.38 11.83 11.44 11.38 2.00 11.36 12.04 11.62 11.36 3.00 11.41 12.25 11.82-11.41 4.00 11.49 12.48 12.02 11.49 5.00 11.56 12.58 12.24 11.56 6.00 11.63 12.69 12.44 11.63 l

7.00 11.69 12.86 12.62 11.69 8.00 11.74 13.04 12.75 11.74 9.00 11.78 13.19 12.90 11.78 10.00 11.81 13.31 13.05 11.81 12.50 11.54 13.32 13.14 11.54 15.00 11.16 12.96 12.92 11.16 20.00 10.37 12.22 12.25 10.37 25.00 9.58 11.53 11.57 9.58 l

35.00 8.01 10.24 10.26 8.01 43.66 4.71 4.71 45.00 8.93 8.93

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51.09 5.96 51.1 5 5.90 Page 2-10 l

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Quad Cities Unit 2 Cycle 13

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Core Operating Limits Report t

f 3.0 LINEAR HEAT GENERATION RATE (LHGR)(3.5/4.5) 3.1 TECHNICAL SPECIFICATION

REFERENCE:

Technical Specification 3.5J

3.2 DESCRIPTION

A.

The LHGR limit is 13.4 Kw/ft for fuel types:

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GE7B-BP8DRB299-7G3.0-80M-145-T 2.

GE7B-BP8DRB299-7C4.0-80M 145-T l

B.

The LHGR limit is 14.4 Kw/ft for fuel types:

1.

GE88-P8DQB300-9G 3.0-80M-4WR-14 5-T 2.

GE8B-P8DQB 316-7G4.0-80M-4WR-14 5-T 3.

GE9B-P80WB310-9GZ-80M-145-T 4.

GE98-P8DWB299-11 GZ-80M-145-T 5.

GE98-P8DWB286-7G3.0-80M-145 T 6.

GE9B-P8DWB286-9GZ-80M-14 5-T t

7.

GE98-P8DWB310-7G 3.0-80M-14 5-T 8.

GE9B-P8DWB308-10GZ-80M-14 5 T r

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Core Operating Limits Report l

4.0 MINIMUM CRITICAL POWER RATIO (MCPR) (3.5/4.5) 4.1 TECHNICAL SPECIFICATION

REFERENCE:

Technical Specifications 3.5.K and 3.6.H

4.2 DESCRIPTION

During steady-state operation at rated core flow, the Operating Limit MCPR (OLMCPR) shall be greater than or equal:

1.28 for tave s 0.68 seconds 1.38 for tave > 0.86 seconds (0.5 55)tave + 0.903 for 0.68 < tave < 0.86 seconds where tave - mean 20% scram insertion time for all surveillance data from Technical Specification 4.3.C which has been generated in the current cycle.

For core flows other than rated, these nominal values of OLMCPR shall be increased by a factor of Kf where Kfis as shown in Figure 4-1.

A cycle independent OLMCPR of 1.31 (Option B) was calculated (Reference 6) for operation with a Feedwater Heater Out-of-Service (FWHOOS). Therefore, the OLMCPR, calculated using the above information, shall be increased by 0.03 whenever operating with a FWHOOS. This event, which conservatively bounds the requirements detailed within the EOD/EOOS document (Reference 6), goes beyond all normal operating conditions in the SRLR (Reference 3).

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i Quad Cities Unit 2 Cycle 13

FIGURE 4-1 Kf FACTOR 1.5 1.4

..._n.

N 1

g-

's

\\

Autornatic FlowControl 2

1.2

- N

x -q N

N

-., _ s.

N

.... x j,j D

Manual Flow Cont N

N (1 07% Max Flow) j

x.....

0.9 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105

% Core Flow Quad Cities Unit 2 Cycle 13

. Core Operating Limits Report Page 4-1

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