ML17056C052

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Rev 0 to Nine Mile Point Unit 2 Colr for Cycle 3.
ML17056C052
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 02/26/1992
From: FRANZ B T, STRONSKI E P, VIERLING A G
NIAGARA MOHAWK POWER CORP.
To:
Shared Package
ML17056C053 List:
References
NUDOCS 9210130004
Download: ML17056C052 (46)
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Text

NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT UNIT 2 CORE OPERATING LIMITS REPORT Document No.: COLR2 Revision 0 , Cycle 3 Name/~i l~~Prepared by: B.T.Kranz Title Fuels En ineer Date z--I PZ.Reviewed Approved by: E.P.Stronski.-WP-.d.by: W.R.D'ECn elo Fuels En ineer Su ervisor Fuels 72 riC/~>Approved Approved by: E.S.Tomlinson by: A.G.Vierli Su v.Reactor En r.Mana er Nuclear Tech.>/<I-'/P~D SORC Chairman Approval: This NMPC Controlled Document provides cycle specific core operating limits for use in conjunction with the Nine Mile Point Unit 2 Technical Specification.

000659QQ 9210130004'921006'

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Revision 0 Cycle 3 NINE MILE POINT UNIT 2 CORE OPERATING LIMITS REPORT TABLE OF CONTENTS 1.0 Average Planar Linear Heat Generation Rate 1.1 Limits for Technical Specification

3.2.1 Pacae

2.0 Average Power Range Monitor Setpoints 2.1 Limits for Technical Specification 3.2.2 15 3.0 Minimum Critical Power Ratio (ODYN Option B)3.1 Limits for Technical Specification 3.2.3 3.2 Coefficients for Tau Equation, Technical Specification 3.2.3 4.0 Linear Heat Generation Rate 4.1 Limits for Technical Specification 3.2.4 19 5.0 Rod Block Monitor 20 5.1 Setpoints for Technical Specification Table 3.3.6-2 (Item 1)6.0 APRM 6.1 Setpoints for Technical Specification Table 3.3.6-2 (Item 2)7.0 Source Documents 21 22 000659gg Page 1 of 22 h\h 4 Revision 0 Cycle 3 NINE MILE POINT UNIT 2 LIMITING CONDITION FOR OPERATION 1.0 AVERAGE PLANAR LINEAR HEAT GENERATION RATE APLHGR 1.1 Limits for Technical S ecification

3.2.1 During

Operational Condition 1, when thermal power is greater than or equal to 254 of rated thermal power, the APLHGR(s)for each type of fuel as a function of AVERAGE PLANAR EXPOSURE shall not exceed the limits shown in Figures 1a, 1b, 1c, 1d, le, lf, 1g, 1h, li, lj, 1k and 11*.The limits of Figure la shall be reduced to a value of.81 times the two recirculation loop operation limit when in single loop operation.

The limits of Figure lb, 1c, 1d, le, 1f, 1g, 1h, li, 1j, 1k and ll shall be reduced to a value of.79 times the two recirculation loop operation limit when in single recirculation loop operation.

  • When hand calculations are required;the APLHGR for fuel type PSCWB299 and PSCWB320 as a function of average planar exposure, shall not exceed the limits shown in Figure 1f and 1l respectively during two recirculation loop operation.

000659QQ Page 2 of 22

\'I%,~t I, l'.S('ly JV 12.5 10'2.2 15o12.2)20 12.2)~12.0 25,11.7 30, g 10.5 (10.10.1)K 10.0 9.5 0 10 15 20 25 AVERAGE PLANAR ENPOSURE, GMd/st 30 10 Haxiaue Average Planar Linear Heat Generation Rate vs.Average Planar Exposure, Fuel Type BPBCR82l9

14 NINE MILE POINT 2 FUEI TYPE PSCWB299 EDB LATf ICE NUMBERS 733 AND NO 13 1.0.12.41 8.0.12.53 5.0.12.41 10.0.12.56 15.0.1~03 20.0.11.26 O 10 9 25.0.10.49 35.0.8.94 10 15 20 25 30 35 40 45 45.(l.6.l5 50 LAfTlCE PLANAR AVERAGE EXPOSURE (GWD/S I')

I 14 13 12 5.0.13.08 I.O.IM9 0.2.12.50 NINE MILE POINT 2 FUEL TYPE P8CWB299 EDB LATf ICE NUMBER 857 8.0 13.40 10.0.13.46 15.0.13.16 20.0.12.56 25.0.11.95 11 C (D 10 z 35.().10.49 45.0.9.15 10 15 20 25 30 35 40 45 LATflCE PLANAR AVERAGE EXPOSURE (GWD/ST) 0 N 14 NINE MILE POINT 2 FUEL TYPE P8CWB299 EDB LATI'ICE NUMBER 858 13 12 11 10 9 1.0.12.10 0.2.11.98 8.0.13.03 10.0.13.09 5.0.12.62 15.0.12.74 20.0.12.13 25.0.11.53 35.0.10.45.0XHI 10 15 20 25 30 35 40 45 50 O LATnCE PLANAR AVERAGE EXPOSURE (GWD/ST)

A 14 13 12 5.0.13.13 1.0.12.55 0.2.12.47 NINE MILE POINT 2 FUEL TYPE PSCWB299 EDB LATnCE NUMBER 859 8.0.13.40 10.0.13.47 15.0.13.18 20.0.12.57 25.0.11.96 A)10 9 35.0.10.50 45.0.9.I/)10 15 20 25 30 35 40 45 50 LATTICE PLANAR AVERAGE EXPOSURE (GWD/ST) 4%

14 NINE MILE POINT 2 FUEL TYPE PSCWB299 MOST LIMITING MAPLHGR 13 12 5.0.12.62 1.0.12.1 0.2.11.98 10.0.13.09 15.0.12.74 20.0.12.13

~>.0.1 1.53 10 9 35.0.10.30 45.0.H.N I 10 15 20 25 30 35 40 LATI'ICE PLANAR AVERAGE EXPOSURE (GWD/ST)45 50

14 NINE MILE POINT 2 f'UEL TYPE PHCWB320 EDB LATTICE NUMBERS 733 AND 1444 13 12 l.3.4.5 6.8 10.11.7.9.10.0.12.57 12.5.12.4 15.0.12.04 g 11 0 9 8 l.0.0.12.40 2.0.2.12.42 3.1.0.12.48 4.2.0,12.42 5.3.0.12.41 6.4.0.12.44 7.5.0.12.46 8.6.0.12.49 9.7.0.1151 10.8.0.12.54 ll.9.0,12.55 20.0.11.27 25.0.10.49 35.0.8.95 45 ll.6.15 46 85.5.21 0 10 15 20 25 30 35 40 LA'1 f ICE PLANAR AVERAGE EXPOSURE (GWD/ST)45 50 55 n li 14 13)3.5.4.0." s.'0.0.13.45 12.5.13.NINE MILE POINT 2 FUEL fYPE PHCWB320 EDB LATTICE NUMBER 144()15.0.13.10 20.0.12.44 25.0.11.78 U.U.12.37, 2.0.2.12.38 3.1.0.12.44 4.2.0.)2.54 5.3.0.12.64 6.4.0.12.76 7.5.0.12.88 8.6.0.13.U2 9.7.0.13.)6 lU.8.0.)3.~&ll.9.0.13.35 35.0.)0.4) 45.0.9.17 52.)1.5.88 10 15 2()25 30 35 4()IMTf ICE PLANAR AVERAGE EXPOSURE (GWD/S'I')

4$

NINE MILE POINT 2 FUEL TYPE PHCWB320 14 EDB LANCE NUMBER 1441 13 12 6.~45 78.l.l(N.13.07 12.5.0.02 15.0.12.72 20.0.12.12 I.0.0.11.97 2.0.2.11.95 3.1.0.12.01 4.2.0.12.13 5.3.0.12.28 6.4.0.12.46 7.5.0.12.65 8.6.0.1274 9.7.0.12.84 10.8.0.12.94 11.9.0.13.02 25.0.11.53 35.0.I0.28 45.1).8.85 5I).89.5.89 10 15 20 25 30 35 40 LATrlCE PLANAR AVERAGE EXPOSURE (GWD/ST)45 50 55

14 NINE MILE POINT 2 FUEl TYPF PHCWB320 EDB LAI'TlCE NUMBER 1442 13 12 7.10.6 9 5.l.4.2 3.10.0.13.05 125.0.01 15.0.12.71 2n.n.12.12 25.0.11.52 g 11<10 9 0.0.11.55 2.0.2.11.55 3.1.0.11.61 4.2.0.11.76 5.3.0.11.93 6.4.0.12.14 7.5.0.12.37 8.6.0.1~52 9.7.0.12.66 10.8.0.12.81 11.9.0.12.94 35.0.10.27 45.0.8.811 5II IN.5.90 0 10 15 20 25 30 35 4()LATI'ICE PLANAR AVERA(3E EXPOSURE (GWD/ST)5()55

14 13 12 I.2 3.I0 I I.8.10.0.13.47 LES.I3.NINE MILE POINT 2 FUEL fYPE PHCWB320 EDB LATl'ICE NUMBER 1443 15.0.13.10 20U.I 44 25.0.11.79 11 tO C 10 0 9 8 I.0.0.12.40 2.0.2.12.42 3.1.0.12.50 4.2.0.12.61 5.3.0.12.74 6.4.0.12.89 7.S.U.13.04 8.6.0.13.19 9.7.0.13.30 lo.8.0.13.4)9.0.13.45 35.0.10.48 45.0.9.20 52.I0.5.88 10 15 20 25 30 35 40 LATTlCE PLANAR AVERAGE EXPOSURF (GWD/S'I')

45 50 55 44 14 NINE MILE POINT 2 FUFL TYPE PH('WB32(l MOST LIMITING MAPI HGR 13 12 7.10.~6 9 5.l.2 3.4.I0.0.I3.05 LU.I3.0I 15.0.12.71 20.0.12.12 25.0.11.52 I.0.0.11.55 2.0.2.11.55 3.I.O.11.61 4.2.0.11.76 5.3.0.11.93 6.4.0.12.14 7.5.0.12.37 8.6.0.12.52 9.7.0.12.66 IO.8 0.12.81 ll.9.0.12.94 35.0.IO.27 45.OMNI 5ll Nl.5 90 IO 15 20 25 30 35 40 IMTTICE PLANAR AVERAGE EXPOSURE (GWD/S'I')

50 55 t

Revision 0 Cycle 3 NINE MILE POINT UNIT 2 LIMITING CONDITION FOR OPERATION 2.0 AVERAGE POWER RANGE MONITOR SETPOINTS 2.1 Limits for Technical S ecification

3.2.2 During

OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 254 of RATED THERMAL POWER, the Average Power Range Monitor (APRM)flow-biased simulated thermal gower-upscale scram trip setpoint(S) and flow-biased neutron flux-upscale control rod block trip setpoint (S8)shall be established according to the following relationship:

Tri Set oint Allowable Value S<(0.66 (W-AW)+514)T S<(0~66 (W-6 W)+544)T S~8<(0~66 (W QW)+424)T S~8<(0~66 (W QW)+454)T Where: S and S8 are in percent of RATED THERMAL POWER W=Loop Recirculation Flow as a Percentage of the loop recirculation flow which produces a rated core flow of 108.5 MLB/HR.T=The ratio FRACTION OF RATED THERMAL POWER divided by the CORE MAXIMUM FRACTION OF LIMITING POWER DENSITY.T is applied only if less than or equal to 1.0.QW is.defined as the difference in indicated drive flow (in percent of drive flow which produces rated core flow)between two loop and single loop operation at the same core flow.QW=O for two loop operation.

QW=54 for singl'e loop operation.

000659QQ Page 15 of 22

Revision 0 Cycle 3 NINE MILE POINT UNIT 2 LIMITING CONDITION FOR OPERATION 3.0 MINIMUM CRITICAL POWER RAT O ODYN OPTION B 3.1 Limits for Technical S ecification

3.2.3 During

Operational Condition 1, when thermal power is greater than or equal to 254 of rated thermal power, the Minimum Critical Power Ratio (MCPR)shall be equal to or greater than the appropriate MCPR limit from Figure 3a times the K(f)shown in Figure 3b with tau (or"~')as defined in Technical Specification 3.2.3*3.2 Coefficients for Tau e ation Technical S ec'fication 3.2.3 The following coefficients must be used with the tau equation specified in Technical Specification 3.2.3: x=0.672 y=1.65 z=0.016*Note that with one reactor coolant recirculation loop not in operation Technical Specification 3.4.1.1 action item a.1.c requires that the MCPR Safety Limit be increased by 0.01.000659QQ Page 16 of 22

Nine Mile Point 2 Cycle 3 BOC to EOC 1.40 1.39 1.38 I EOC-RPI'noperable, or Main Turbine Bypass Inoperable

(', (1.0, 1.39)(0, 1.37)(0.6, 1.37)I (1.0, 1.37)1.36 Q 1.35 0~&1.34 o 1 1.32.8~~O 1.31 E 1.30 1.29 I Normal Operation MCPR Operating Limits 1.28 1.27 1.26 0 0.2 0.4 Tau 0.6 0.8 Figure 3a Page 17 of 22

20, 1.363)h 1.30 1.20 40, 1.185)1.10 1.00 P3, 1.02 6)0.90 30 40 50 60 70 80 90 100 Core Flow,%of rated

~'

\Revision 0 Cycle 3 NINE MILE POINT UNIT 2 LIMITING CONDITION FOR OPERATION 4.0 LINEAR HEAT GENERA ON RATE LHGR 4.1 mits for Technical S ecification

3.2.4 During

OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 254 of RATED THERMAL POWER, the LHGR shall not exceed the limits in the table below.Fuel T e LHGR Limits BP8CRB219 (GE6B)P8CWB299 (GE9B)P8CWB320 (GE9B)13~4 KW/FT 14~4 KW/FT 14~4 KW/FT 000659QQ Page 19 of 22

Revision 0 Cycle 3 NINE MILE POINT UNIT 2 CONTROL ROD BLOCK INSTRUMENTATION SETPOINT 5.0 ROD BLOCK MONITOR RBM 5.1 Set o'nts for Technical S ec'cation Table 3.3.6-2 Item 1 Tri Function Tri Set oint Allowable Value RBM Upscale<0.66, (W-QW)+444<0.66 (W-QW)+47<with a maximum of 1104 with a maximum of 113<NOTE: W=Loop Recirculation Flow as a percentage of the loop recirculation flow which produces a rated core flow of 108.5 MLB/HR.DW is defined as the difference in indicated drive flow (in percent of drive flow which produces rated core flow)between two loop and single loop operation at the same core flow.gW=O for two loop operation.

DW=54 for single loop operation.'00659QQ Page 20 of 22 y

Revision 0 Cycle 3 NINE MILE PO NT UNIT 2 CONTROL ROD BLOCK INSTRUMENTATION SETPOINT 6.0 APRM 6.1 Set o'nt o Techn'ca S ec'ation able 3.3.6-2 Item 2 Tri Function Tri Set oint llowable Value Flow-Biased Neutron (.66 (W-bW)+42%<0.66 (W-QW)+454 Flux-Upscale NOTE: W=Loop recirculation Flow as a percentage of the loop recirculation flow which produces a rated core flow of 108.5 MLB/HR.QW is defined as the difference in indicated drive flow (in percent of drive flow which produces rated core flow)between two loop and single loop operation at the same core flow.QW 0 for two loop operation.

bW=54 for single loop operation.

000659QQ Page 21 of 22

7.0 SOURCE

DOCUMENTS Revision 0 Cycle 3 The Core Operating Limits contained in this Report were obtained from the following documents:

APLHGR LIMITS Section 1 Figure la and corresponding single loop multiplier Figure 1b, 1c, ld, 1e, 1f, lg 1h, 1i, 1j, lk and 11 and corresponding single loop multiplier APRM SETPOINTS Section 2 MCPR LIMITS Section 3 LHGR LIMITS Section 4 RBM SETPOINTS Section 5 APRM SE INTS Section 6 REFERENCE NMP2 USAR Amendment 0 Engineering Report for NMP2 Reload 2, Cycle 3, NFD92-016, January 1992"Supplemental Reload Licensing Report for Nine Mile Point Nuclear Station Unit 2 Reload 2 Cycle 3", 23A7138, Rev.0, December 1991.NMP2 Technical Specifications Amendment 0"Supplemental Reload Licensing Report for Nine Mile Point Nuclear Station Unit 2 Reload 2 Cycle 3", 23A7138, Rev.0, December 1991."Supplemental Reload Licensing Report for Nine Mile Point Nuclear Station Unit 2 Reload 2 Cycle 3", 23A7138, Rev.0, December 1991.Engineering Report for NMP2 Reload 2, Cycle 3, NFD92-016, January 1992 NMP2 Technical Specifications Amendment 0 000659QQ Page 22 of 22

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