NL-09-1588, Cycle 16 Core Operating Limits Report, Rev. 0, & Rev. 1
| ML093000077 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 10/26/2009 |
| From: | Ajluni M Southern Nuclear Operating Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NL-09-1588 | |
| Download: ML093000077 (28) | |
Text
{{#Wiki_filter:SOu!hi-:rn ~UCH5tl~ Oneralillg LOmllntli W\, October 26, 2009 SOUTHERN A COMPANY Docket Nos,: 50-424 NL-09-1588 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Vogtle Electric Generating Plant Unit 1 Cycle 16 Core Operating Limits Report, Rev. 0 Unit 1 Cycle 16 Core Operating Limits Report, Rev. 1 Ladies and Gentlemen: Pursuant to the reporting requirements of VogUe Electric Generating Plant (VEGP) Technical Specification 5.6.5 Southern Nuclear Operating Company (SNC) is submitting Revision 0 of the Unit 1 Cycle 16 Core Operating Limits Report (COLR) (Enclosure 1) and Revision 1 of the Unit 1 Cycle 16 COLR (Enclosure 2). Revision 0 of the VEGP Unit 1 Cycle 16 COLR was generated prior to the identification and elimination of a leaker fuel assembly and other fuel assemblies necessary to support the change in core design and the elimination of a damaged fuel assembly and other fuel assemblies necessary to support the final core design. Revision 0 was superseded when Westinghouse issued Revision 1 of the Unit 1 Cycle 16 COLR on October 9, 2009 to SNC. This letter contains no NRC commitments. If you have any questions, please advise. Sincerely, fYLwl ~ ~ M. J. Ajluni Nuclear Licensing Manager MJAlDWMllac
Enclosures:
- 1. Unit 1 Cycle 16 Core Operating Limits Report, Rev. 0
- 2. Unit 1 Cycle 16 Core Operating Limits Report, Rev. 1
U. S. Nuclear Regulatory Commission Log: NL-09-1588 Page 2 cc: Southern Nuclear Operating Company Mr. J. T. Gasser, Executive Vice President Mr. T. E. Tynan, Vice President - Vogtle Ms. P. M. Marino, Vice President - Engineering RType: CVC7000 U. S. Nuclear Regulatory Commission Mr. L. A. Reyes, Regional Administrator Ms. D. N. Wright, NRR Project Manager - Vogtle Mr. M. Cain, Senior Resident Inspector - Vogtle
Vogtle Electric Generating Plant Unit 1 Cycle 16 Core Operating Limits Report, Rev. 0 Unit 1 Cycle 16 Core Operating Limits Report, Rev. 1 Enclosure 1 Unit 1 Cycle 16 Core Operating Limits Report, Rev. 0
VOGTLE ELECTRIC GENERATING PLANT (VEGP) UNIT 1 CYCLE 16 CORE OPERATING LIMITS REPORT REVISION 0 September 2009
COLR for VEGP UNIT 1 CYCLE 16 1.0 CORE OPERATING LIMITS REPORT This Core Operating Limits Report (COLR) for VEGP UNIT 1 CYCLE 16 has been prepared in accordance with the requirements of Technical Specification 5.6.5. The Technical Requirement affected by this report is listed below: 13.1.1 SHUTDOWN MARGIN - MODES 1 and 2 The Technical Specifications affected by this report are listed below: 3.1.1 SHUTDOWN MARGIN - MODES 3, 4 and 5 3.1.3 Moderator Temperature Coefficient 3.1.5 Shutdown Bank Insertion Limits 3.1.6 Control Bank Insertion Limits 3.2.1 Heat Flux Hot Channel Factor - Fa(Z) 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor - F~H 3.2.3 Axial Flux Difference 3.9.1 Boron Concentration PAGE 1 of 11
COlR for VEGP UNIT 1 CYCLE 16 2.0 OPERATING LIMITS The cycle-specific parameter limits for the specifications listed in section 1.0 are presented in the following subsections. These limits have been developed using NRC-approved methodologies, including those specified in Technical Specification 5.6.5. 2.1 SHUTDOWN MARGIN - MODES 1 AND 2 (Technical Requirement 13.1.1) 2.1.1 The SHUTDOWN MARGIN shall be greater than or equal to 1.30% Llk/k. 2.2 SHUTDOWN MARGIN - MODES 3, 4 AND 5 (Specification 3.1.1) 2.2.1 The SHUTDOWN MARGIN shall be greater than or equal to the limits shown in Figures 1 and 2. 2.3 Moderator Temperature Coefficient (Specification 3.1.3) 2.3.1 The Moderator Temperature Coefficient (MTC) limits are: The BOLIARO/HZP - MTC shall be less positive than +0.7 x 10.4 Llk/k/oF for power levels up to 70% RTP with a linear ramp to oLlk/kfF at 100% RTP. The EOLIARO/RTP-MTC shall be less negative than
-5.50 x 10-4 LlklkloF.1 2.3.2 The MTC Surveillance limits are:
The 300 ppm/ARO/RTP-MTC should be less negative than or equal to -4.75 x 10.4 LlklkJDF.1 The 60 ppm/ARO/RTP-MTC should be less negative than
-5.35 x 10.4 LlklkloF.1 where: BOl stands for Beginning of Cycle Life ARO stands for All Rods Out HZP stands for Hot Zero THERMAL POWER EOl stands for End of Cycle Life RTP stands for RATED THERMAL POWER 2.4 Shutdown Bank Insertion Limits (Specification 3.1.5) 2.4.1 The shutdown banks shall be withdrawn to a position greater than or equal to 225 steps.
1Applicable for full-power T-average of 584.4°F to 587.4°F. PAGE 2 of 11
COLR for VEGP UNIT 1 CYCLE 16 2.5 Control Bank Insertion Limits (Specification 3.1.6) 2.5.1 The control banks shall be limited in physical insertion as shown in Figure 3. 2.6 Heat Flux Hot Channel Factor - Fo(Z) (Specification 3.2.1) FRTP 2.6.1 Fa (Z) ~ _Q_" K(Z) for P > 0.5 P FRTP Fa (Z) ~ _Q_" K(Z) for P ~ 0.5 0.5 THERMAL POWER where: P = - - - - - - - - RATED THERMAL POWER 2.6.2 F~TP = 2.50 2.6.3 K(Z) is provided in Figure 4. FRTP "K(Z) 2.6.4 F (Z) < Q for P > 0.5 a - P" W(Z)
*K(Z)
Fa (Z) ~ - - - ' - - - - - - for P S; 0.5 0.5" W(Z) 2.6.5 W(Z) values are provided in Table 2. 2.6.6 The Fo(Z) penalty factors are provided in Table 1. PAGE 3 of 11
COLR for VEGP UNIT 1 CYCLE 16 2.7 Nuclear Enthalpy Rise Hot Channel Factor - F~H (Specification 3.2.2) where: P =- -THERMAL
- - - -POWER---
RATED THERMAL POWER 2.7.3 PF AH = 0.3 2.8 Axial Flux Difference (Specification 3.2.3) 2.8.1 The Axial Flux Difference (AFO) acceptable operation limits are provided in Figure 5. 2.9 Boron Concentration (Specification 3.9.1) 2.9.1 The boron concentration shall be greater than or equal to 1805 ppm. 1 1This concentration bounds the condition of kef!:5 0.95 (all rods in less the most reactive rod) and subcriticality (all rods out) over the entire cycle. This concentration includes additional boron to address uncertainties and BlO depletion. PAGE 4 of 11
COLR for VEGP UNIT 1 CYCLE 16 TABLE 1 FQ(Z) PENALTY FACTOR Cycle FQ(Z) Burnup Penalty (MWD/MTU) Factor 30 1.032 150 1.032 367 1.035 584 1.036 801 1.036 1018 1.034 1235 1.031 1452 1.025 1669 1.020 Notes:
- 1. The Penalty Factor, to be applied to Fa(Z) in accordance with SR 3.2.1.2, is the maximum factor by which Fa(Z) is expected to increase over a 39 EFPD interval (surveillance interval of 31 EFPD plus the maximum allowable extension not to exceed 25% of the surveillance interval per SR 3.0.2) starting from the burnup at which the Fa(Z}
was determined.
- 2. Linear interpolation is adequate for intermediate cycle burn ups.
- 3. For all cycle burnups outside the range of the table, a penalty factor of 1.020 shall be used.
PAGE 5 of 11
COLR for VEGP UNIT 1 CYCLE 16 Table 2 RAOCW(Z) Axial Elevation 150 4000 10000 18000 Point (feet) MWD/MTU MWDIMTU M\VDIMTU MWD/MTU
- 1 12.00 1.0000 1.0000 1.0000 1.0000
- 2 11.80 1.0000 1.0000 \.0000 \.0000
- 3 1160 1.0000 1.0000 1.0000 1.0000
- 4 11.40 1.0000 1.0000 1.0000 1.0000 5 11.20 1.0000 1.0000 1.0000 1.0000 6 1 \.00 1.3680 1.4358 1.2925 1.2447 7 10.80 1.3525 1.4064 1.2843 1.2377 8 10.60 1.3349 1.3889 1.2756 1.2314 9 lOAO 1.3141 1.3768 1.2654 1.2246 10 10.20 1.2886 1.3561 1.2533 1.2171 II 10.00 1.2573 1.3269 1.2404 1.2068 12 9.80 1.2418 1.2975 1.2380 1.2110 13 9.60 1.2355 1.2826 1.2384 1.2209 14 9.40 1.2272 1.2809 1.2341 1.2264 15 9.20 1.2212 1.2755 1.2249 1.2322 16 9.00 1.2177 1.2645 1.2246 1.2338 17 8.80 1.2157 1.2550 1.2291 12326 18 8.60 1.2172 12487 1.2355 1.2349 19 8.40 1.2249 1.2441 12425 1.2456 20 8.20 1.2288 1.2402 1.2463 1.2557 21 8.00 1.2351 12334 1.2474 1.2690 22 7.80 1.2395 1.2308 1.2461 1.2805 23 7.60 1.2403 1.2297 1.2423 1.2879 24 7.40 1.2387 1.2246 1.2362 1.2922 25 7.20 1.2344 1.2172 1.2280 1.2934 26 7.00 1.2280 1.2077 1.2177 1.2915 27 6.80 1.2196 11963 1.2067 1.2869 28 6.60 1.2097 1.1832 1.1959 1.2795 29 6.40 1.1994 1.1689 1.1854 1.2699 30 6.20 1.1884 11542 1.1748 1.2595 31 6.00 1.1762 11427 1.1627 1.2469 32 5.80 1.1627 11340 11509 1.2340 33 5.60 11532 1.1270 1.1469 1.2274 34 5AO 11532 1.1248 1.1532 1.2269 35 5.20 1.1595 1.1322 1.1588 1.2313 36 5.00 1.1653 1.1396 1.1632 1.2344 37 4.80 11698 1.1455 1.1668 1.2354 38 4.60 1.1734 l.l511 1.1692 1.2345 39 4.40 1.1760 1.1557 1.1705 1.2315 40 4.20 1.1775 1.1594 1.1707 1.2265 41 4.00 1.1778 1.1632 1.1696 1.2196 42 3.80 1.1775 11662 1.1677 1.2109 43 3.60 1.1778 11687 1.1667 1.2006 44 3.40 1.1802 1.1720 1.1669 1.1892 45 3.20 11835 1.1749 Ll661 1.1791 46 3.00 1.1895 Ll789 1.1656 1.1773 47 2.80 1.2015 1.1865 1.1707 1.1820 48 2.60 1.2185 1.2007 11856 11946 49 2.40 1.2362 1.2214 1.1985 1.2056 50 2.20 1.2537 1.2418 1.2116 \.2165 51 2.00 1.2709 1.2617 1.2246 1.2275 52 1.80 12877 1.2814 1.2373 1.2385 53 \.60 1.3042 1.3005 1.2499 1.2496 54 lAO 1.3201 1.3188 1.2620 1.2608 55 1.20 1.3353 1.3360 1.2736 1.2719 56 1.00 1.3491 1.3513 1.2840 1.2824
- 57 0.80 1.0000 1.0000 1.0000 10000 58 0.60 1.0000 1.0000 1.0000 1.0000 59 0.40 1.0000 1.0000 1.0000 1.0000
- 60 0.20 1.0000 1.0000 1.0000 1.0000
- 61 0.00 1.0000 1.0000 1.0000 1.0000
... Top and Bottom 5 Points Excluded per Technical Specification m.2.1.
These W(Z) values are consistent with Figure 5, and are valid over the HFP Tavg temperature range from 584.4 to 587.4°F. PAGE 60f 11
COLR for VEGP UNIT 1 CYCLE 16 i I I I I ! 5.0 I I I I I ! I I I I i I ! I ! I I I I I I I I I I 4.0 I I I I ! IACC"PTASL' OPEJ.TING REGI~N- 1 1------1c--.-1--t--+--t.---'--+~.. __+i-+-+-+--.L.-+--+--t--i--!--l----t---- I ~ I I'! ! I I I(2JOO I .It') i i i , ~ t ..Ir! I 3'0~~~-+-+-+-+--~I,~!~-4-+-+i--+I~~I~i--+I-+-+ I
~-+,,-+-~~.~!,-
~ 1------1--t--t----+--t----+--l--+ I iREQUIRED S,HUTDONN MARGIN~/ ~ ! ! (llOO , ** 2~) I ~ I I! I, tig I I
- 2. 01---+-'---'----+,--+--+-+----;-,-+I-+-+--+----i-,---t."
/V!: II
/4--+--+--iI---!.--+~--+-+-+--i I
~ I r-~'---i~--t--i, --t--t-I'~---+! 1: vv'"
-----jV " .
iii ii, I ! (P5~/ 0) [ IUNACCEPTABLi OPERATIN~ REGION I I
- 1. 0 1--t---+--+---i--1f--+ I -+--+-----r--I--+--'--+-+--t I--t-I-1r--f---i--+--+-f---+!--i--1 r
I
! I !
500 1000 1500 2000 2500 RCS BORON CONCENTRATION (ppm) FIGURE 1 REQUIRED SHUTDOWN MARGIN FOR MODES 3 AND 4 (FOUR LOOPS FILLED AND VENTED AND AT LEAST ONE REACTOR COOLANT PUMP RUNNING) PAGE 7 of 11
COLR for VEGP UNIT 1 CYCLE 16 I : -+-1 _-+-1...--+--+--+---,1,------;---1 ~__i___+_____l~__+_I I
- - ~-/-I-'
W-+---i' yV,! 5.0 +--+' II {_f__2 00-l---r-i I I I I 4'0~~:.~-~I.-+-+-I.A+le-e+E-PT+~-B~L-E4o-p~~-RA'T-I~N-G~R~E~G~IO-N~:~~~'-~I*~L+-+I.-+*-+~:~
- w I V(I I I
~
I I ! I 1 I I !I' ill I I // . I I
- 3.0~~.-IRr.EQ-6~;I-R~E.-D+S-H+U-TD+O-W+N-+~-+G-I~N~-Ir- ~~V~'-{1~5-0+,-+I.-grp)~-+-+r-I~-+~1 a
H ,I I I i I! ...
... . /
/1 I *****1. ****-+-+---+_*****....,....'1-1---t.....----'
~ 2.0~~i-+*~I~_r~~~~_r._r~i_4~_r~~4_+_+_r_~~~1 1
~
Iii Q I I I I I I. J; / 1 I i
! I I' I.
i . I ;l/~1+-+-+-+-~UN-+Ae-e+E-p~TA-B+L-E~-OP+E-R~A-T~IN-G4-R~EG-I-O+N-+!~~ 1.0~~~--~+-+_+_T-T-+-~~1~~~~~~~~~+-+-+-~ i I (.69- ,on I
! I -+-1+--+I.*****--+-!- - t - - j I' I I* I I O.O~~~~ I __~~~~~~~~~ I __~_I~~~~~~__~~ I o 500 1000 1500 2000 2500 Res BORON CONCENTRATION (ppm)
FIGURE 2 REQUIRED SHUTDOWN MARGIN FOR MODES 4 AND 5 (MODE 4 WHEN FIGURE 1 NOT APPLICABLE) PAGE 8 of 11
COLR for VEGP UNIT 1 CYCLE 16 (Fully Withdrawn~) ~ I I ! I , I I ~ I I i I / , CQ 80 I I ' I I 'I 1 I -4'-1+ "'-+" -+c- 4" I : i i '" ~f- ",I I ! I 60~ tt1312E{L~=tEj'jLEt!j=tEljLLt+/-3=Lt+/-'~~13=E~B~AN~K~D~:=tr'+/-J=tt'l-J-r=t' VI IL1 i I VI
'L 1 II I
I 1]'
/ . I Vii II II 4 0 "1 f.-= I' ' -,-J_.f-"
H-++~~~-=;_"+I--r+---r+---r+I+1 'I -I1'-1."+-l-+-f-Lt-I-**+-+I-+I-I-I**'=,~ttl*~
+-1r:J/f' I I I 1++~=t;-+**t=,~~-~*1-!~~I:=r,t--1 Ii' I ' I I I yll I ,I 20 ! I
, I I I I
, I I ! I I
.2rt I ,
-T -+-~ -
! ! CI) / I ,- I 1 1
0 ' 1 !/ I I I ! I I 0 10 20 30 40 50 60 70 80 90 1 0 POWER (% of Rated Thermal Power)
'Fully withdrawn shall be the condition where control rods are at a position within the interval z 225 and ~ 231 steps withdrawn.
NOTE: The Rod Bank Insertion Limits are based on the control bank withdrawal sequence A, B, C, D and a control bank tip-to-tip distance of 115 steps. FIGURE 3 ROD BANK INSER'nON LIMITS VERSUS % OF RATED THERMAL POWER PAGE 9 of 11
COLR forVEGP UNIT 1 CYCLE 16 1.4 I
- I 1.2 Il:: I---
o Eo< U ~ 1.0 ~H - a /loO.8 FQ = 2.50 Q r.a CORE r:'I . HT. K(Z)
~
0.00 1. 00 00.6 6.00 1.00 Z 12.0 .925 ~ r:'I 1>4 0.4 I 0.2 0.0 o 2 4 6 8 10 12 CORE HEIGHT (feet) FIGURE 4 K(Z) - NORMALIZED FQ(Z) AS A FUNCTION OF CORE HEIGHT PAGE 10 of 11
COLR for VEGP UNIT 1 CYCLE 16 120 I I I : : I i I I I : : 110r-~I--+-~~--+-~~I--+-~~--~'~~'--+-~~--+i'--~~!~ ii' ' I J I i I I I I II 1 0 f---I--+--~+--+-f---I--+---1,.---I--+--if---+--+---,I'---+--i-'--------1---1 I I I I I I O~~~__~'~'__~-L~__~-L~__~-LI~__~~~__~-LI~~
-50 -40 -30 -20 -10 0 10 20 30 40 50 AXIAL FLUX DIFFERENCE (percent 8I)
FIGURE 5 AXIAL FLUX DIFFERENCE LIMITS AS A FUNCTION OF % OF RATED THERMAL POWER FOR RAOC PAGE 11 of 11
Vogtle Electric Generating Plant Unit 1 Cycle 16 Core Operating Limits Report, Rev. 0 Unit 1 Cycle 16 Core Operating Limits Report, Rev. 1 Enclosure 2 Unit 1 Cycle 16 Core Operating Limits Report, Rev. 1
VOGTLE ELECTRIC GENERATING PLANT (VEGP) UNIT 1 CYCLE 16 CORE OPERATING LIMITS REPORT REVISION 1 October 2009
COLR for VEGP UNIT 1 CYCLE 16 1.0 CORE OPERATING LIMITS REPORT This Core Operating Limits Report (COLR) for VEGP UNIT 1 CYCLE 16 has been prepared in accordance with the requirements of Technical Specification 5.6.5. The Technical Requirement affected by this report is listed below: 13.1.1 SHUTDOWN MARGIN - MODES 1 and 2 The Technical Specifications affected by this report are listed below: 3.1.1 SHUTDOWN MARGIN - MODES 3, 4 and 5 3.1.3 Moderator Temperature Coefficient 3.1.5 Shutdown Bank Insertion Limits 3.1.6 Control Bank Insertion Limits 3.2.1 Heat Flux Hot Channel Factor - Fa(Z} 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor - F~H 3.2.3 Axial Flux Difference 3.9.1 Boron Concentration PAGE 1 of 11
COlR for VEGP UNIT 1 CYCLE 16 2.0 OPERATING LIMITS The cycle-specific parameter limits for the specifications listed in section 1.0 are presented in the following subsections. These limits have been developed using NRC-approved methodologies, including those specified in Technical Specification 5.6.5. 2.1 SHUTDOWN MARGIN - MODES 1 AND 2 (Technical Requirement 13.1.1) 2.1.1 The SHUTDOWN MARGI N shall be greater than or equal to 1.30% Llklk. 2.2 SHUTDOWN MARGIN - MODES 3, 4 AND 5 (Specification 3.1.1) 2.2.1 The SHUTDOWN MARGIN shall be greater than or equal to the limits shown in Figures 1 and 2. 2.3 Moderator Temperature Coefficient (Specification 3.1.3) 2.3.1 The Moderator Temperature Coefficient (MTC) limits are: The BOUARO/HZP - MTC shall be less positive than +0.7 x 10.4 LlklkfF for power levels up to 70% RTP with a linear ramp to oLlk/k/oF at 100% RTP. The EOL/ARO/RTP-MTC shall be less negative than
-5.50 x 10-4 Llklkl oF.1 2.3.2 The MTC Surveillance limits are:
The 300 ppm/ARO/RTP-MTC should be less negative than or equal to -4.75 x 10-4 LlklkfF.1 The 60 ppm/ARO/RTP-MTC should be less negative than
-5.35 x 10-4 LlklkloF.1 where: BOl stands for Beginning of Cycle Life ARO stands for All Rods Out HZP stands for Hot Zero THERMAL POWER EOl stands for End of Cycle Life RTP stands for RATED THERMAL POWER 2.4 Shutdown Bank Insertion Limits (Specification 3.1.5) 2.4.1 The shutdown banks shall be withdrawn to a position greater than or equal to 225 steps.
1Applicable for full-power T-average of 584.4°F to 587.4°F. PAGE 2 of 11
COLR for VEGP UNIT 1 CYCLE 16 2.5 Control Bank Insertion Limits (Specification 3.1.6) 2.5.1 The control banks shall be limited in physical insertion as shown in Figure 3. 2.6 Heat Flux Hot Channel Factor - Fo(Z) (Specification 3.2.1) FRTP 2.6.1 Fa(Z) ~ ~* K(Z) for P > 0.5 P FRTP Fa (Z) ~ ~
- K(Z) for P ~ 0.5 0.5 THERMAL POWER where: P = - - - - - - - -
RATED THERMAL POWER 2.6.2 F~TP =2.50 2.6.3 K(Z) is provided in Figure 4. 2.6.4 F (Z)< F~TP *K(Z) for P > 0.5 a - P
- W(Z)
F (Z) < F~TP *K(Z) for P::; 0.5 a - 0.5
- W(Z) 2.6.5 W(Z) values are provided in Table 2.
2.6.6 The Fo(Z) penalty factors are provided in Table 1. PAGE 3 of 11
COLR for VEGP UNIT 1 CYCLE 16 2.7 Nuclear Enthalpy Rise Hot Channel Factor - F~H (Specification 3.2.2) THERMAL POWER where: P = - - - - - - - - - RATED THERMAL POWER 2.7.3 PF lIH = 0.3 2.8 Axial Flux Difference (Specification 3.2.3) 2.8.1 The Axial Flux Difference (AFD) acceptable operation limits are provided in Figure 5. 2.9 Boron Concentration (Specification 3.9.1) 2.9.1 The boron concentration shall be greater than or equal to 1805 ppm. 1 concentration bounds the condition of kef! :::; 0.95 (all rods in less the most reactive rod) and subcriticality (all rods out) over the entire cycle. This concentration includes additional boron to address uncertainties and BlO depletion. PAGE 4 of 11
COLR for VEGP UNIT 1 CYCLE 16 TABLE 1 Fo(Z) PENALTY FACTOR Cycle Fo(Z) Burnup Penalty (MWD/MTU) Factor 30 1.028 150 1.028 367 1.032 584 1.035 801 1.035 1018 1.034 1235 1.030 1452 1.025 1669 1.020 Notes:
- 1. The Penalty Factor, to be applied to Fo(Z) in accordance with SR 3.2.1.2, is the maximum factor by which Fo(Z) is expected to increase over a 39 EFPD interval (surveillance interval of 31 EFPD plus the maximum allowable extension not to exceed 25% of the surveillance interval per SR 3.0.2) starting from the burnup at which the Fo(Z) was determined.
- 2. Linear interpolation is adequate for intermediate cycle burnups.
- 3. For all cycle burnups outside the range of the table, a penalty factor of 1.020 shall be used.
PAGE 5 of 11
COLR forVEGP UNIT 1 CYCLE 16 Table 2 IUOC\v(Z) Axial Elevation 150 4000 10000 18000 Point (feet) MWDi.\1TU MWDlMTU MWDil\1TU MWDfMTU
- I 12.00 1.0000 1.0000 1.0000 1.0000
'" 2 11.80 1.0000 LOOOO 1.0000 1.0000
'" 3 11.60 l.0000 1.0000 1.0000 1.0000
- 4 11.10 1.0000 1.0000 1.0000 1.0000
'" 5 IUO 1.0000 1.0000 LOOOO 1.0000 6 11.00 1.3920 1.4399 1.2935 12452 7 10.80 1.3758 1.4]07 1.2853 1.2396 8 10.60 13582 1.3930 1.2766 1.2339 9 IOAO 1.3360 1.3797 1.2664 1.2267 10 10.10 1.3094 1.3590 1.2542 1.2187 11 10.00 1.2900 1.3294 1.2399 1.2085 12 9.80 12784 1.3009 1.2374 1.2115 13 9.60 12701 1.2870 1.2379 1.2207 14 9.40 1.2603 12856 1.2345 1.2268 15 9.20 1.2481 12803 12256 1.2328 16 9.00 1.2386 1.2691 1.2154 1.2344 17 8.80 1.2321 1.2596 1.2093 1.2333
]8 RoO 1.2337 1.2534 1.2096 1.2356 19 8.40 1.2416 1.2490 L2128 1.2463 20 8.20 1.2453 1.2452 1.2147 1.2564 21 8.00 1.2513 1.2383 1.2205 1.2698 22 7.80 1.2556 1.2355 1.2249 1.2814 23 7.60 1.2560 1.2341 1.2258 12887 24 7.10 1.2540 1.2285 1.2243 1.293]
25 7.20 1.2494 1.2207 1.220,1 1.2942 26 7.00 1.2425 1.2108 1.2144 1.2924 27 6.80 1.2336 1.1989 1.2064 1.2877 28 6.60 1.2233 1.1854 1.1966 1.2803 29 6.40 1.2124 1.1705 1.1859 1.2706 30 6.20 1.2009 11543 1.1752 1.2602 31 6.00 11878 Ll407 11631 1.2476 32 5.80 Ll758 11314 1.1512 1.2347 33 5.60 U679 Ll251 U472 1.2281 34 5.40 Ll667 11226 11534 12276 35 5.20 1.1725 L1282 1.1590 1.2320 36 5.00 1.1779 Ll350 1.1634 1.2351 37 4.80 Ll818 1.1409 1.1670 1.2361 38 4.60 1.18£19 1.1463 11693 1.2351 39 4.40 1J868 1.1508 1.1706 1.2321 40 4.20 Ll876 Ll546 1.1707 L2270 41 4.00 1.1872 1.1573 1.1696 1.2200 42 3.80 1.1858 1.1599 1.1676 12112 43 3.60 U852 1.1634 1.1664 12009 44 3.40 1.1869 1.1672 1.1665 U894 45 3.20 11895 Ll698 1.1668 1.1787 46 3.00 11945 1.1734 1.1674 1.1771 47 2.80 1.2063 Ll808 1.1719 USI8 48 2.60 1.2238 1.1947 1.1849 \.1944 49 2.40 J.2414 12152 11981 1.2054 50 2.20 1.2588 1.2353 12111 1.2163 51 2.00 12760 12550 12241 1.2272 52 1.80 1.2929 1.2746 1.2369 1.2382 53 1.60 1.3094 1.2936 1.2494 1.2493 54 lAO 1.3253 1.3118 1.2616 L2605 55 1.20 1.3406 1.3289 1.2732 I.2no 56 1.00 1.35,16 1.3441 1.2836 12821
'" 57 0.80 1.0000 1.0000 1.0000 1.0000
.* 58 0,60 1.0000 1.0000 1.0000 1.0000
. S9 60 OAO 0.20 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000
'" 61 0.00 LOOOO 1.0000 1.0000 1.0000
. Top and Bottom 5 Points Excluded per Tedmical Specification B3.2.1 .
'nlese W(Z) values are consistent with Figure 5, and are valid over the HFP Tavg temperature range from 584.4 to 587.4°F. PAGE 6 of 11
COLR for VEGP UNIT 1 CYCLE 16 5.0 I I i I I i I I I I I I I I I I I I i I i
! ! I I
I I i i 4.0 I I I I I I I I I ! i i I i I I I I I I ACCEPTABLE OPERATING REGION I I I
! i I
- I i
I I I (2! 001, ~: .10) I : : """"
- I :
~v:
I I I I I REQUIRED SHUTDOWN MARGIN V ('1"0,
~I
.2 I i i
i I I I I i / I I I I V I I I I I i vV' .. ... I I I +I
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1.0 I i I <pSt, .~O) IUNACCEPT1>.BLE OPERATING REGION' I I i I I I i I 1 I I I I i I I i I I I I I I I I 1 I I I I I I I I I I 0.0 i I i o 500 1000 1500 2000 2500 RCS BORON CONCENTRATION (ppm) FIGURE 1 REQUIRED SHUTDOWN MARGIN FOR MODES 3 AND 4 (FOUR LOOPS FILLED AND VENTED AND AT LEAST ONE REACTOR COOLANT PUMP RUNNING) PAGE 7 of 11
COLR for VEGP UNIT 1 CYCLE 16 5.0 I I I I I W i I I I I 1(2 i I I 001' 1,9 I I I J ! i I I
//1' i
i ! I i I I I 4.0 I I I I I i I I I V /' I .! I! I I ! I IACCEPTABLE OPERATING REGION I I I I I I I I 1./ : I I I I I i I I I ! V V I I I i I i I I I i I ./ i
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SH~OOW~ I I i IliEQUIRED MARG IN;,t, (1 i SOl, i,SF) I i I I I I ! I I I I
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- I i UNACCEPTABLE OPERATING REGION II i
! I 1.0 I i I I
(~60 , ,do) I I I I I I i I I I i i i I i I I I 1 ! I J I I I ! I I I i I I i I I I ! I I I ! I I 0.0 1 I I i I I I i I I i ! o 500 1000 1500 2000 2500 RCS BORON CONCENTRATION (ppm) FIGURE 2 REQUIRED SHUTDOWN MARGIN FOR MODES 4 AND 5 (MODE 4 WHEN FIGURE 1 NOT APPLICABLE) PAGE 8 of 11
COLR for VEGP UNIT 1 CYCLE 16 (Fully Withdrawn*)
, I 1 4fff0f!6 2125 1I '/ 7SI. 12 151) 220 i .
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*I:l~ IUI} I.
1/ I 1 , I 1 0 10 20 30 40 50 60 70 80 90 1 o POWER (% of Rated Thermal Power)
*Fu11y withdrawn shall be the condition where control rods are at a position within the interval 2225 and 5 231 steps withdrawn.
NOTE: The Rod Bank Insertion Limits are based on the control bank withdrawal sequence A, B, C, D and a control bank tip-to-tip distance of 115 steps. FIGURE 3 ROD BANK INSERTION LIMITS VERSUS % OF RATED THERMAL POWER PAGE 9 of 11
COLR for VEGP UNIT 1 CYCLE 16 1.4 I i I , I I I 1.2 I I I I ! i r:t: I ! I o E:-I U t:: 1. 0 i I I Cl Z H J I I a Cl. O* 8 i I FQ 2.50 I I Q IZ1 I CORE N i I HT. K(Z) I ~ I 0.00 1. 00 i i I 6.00 1. OO! I ~ 0.6 12.0 .925 I i I I I I I I 0.2 i I i i I I I I I i 0.0 I i o 2 4 6 8 10 12 CORE HEIGHT (feet) FIGURE 4 K(Z) - NORMALIZED FQ(Z) AS A FUNCTION OF CORE HEIGHT PAGE 10 of 11
COLR for VEGP UNIT 1 CYCLE 16 120
- : ~~~ ~
! i 110 I I J
i I i I I i I (-IS, 100) (+10, 100) I I I 100 J
~
~UNACCEPJsLE ~.
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I 1 I I '1-1 I 0 o'{> 50 If I ~ I I I I 1 p:: .._. I IOl II (-30, 50) I (+26, 50) I
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-50 -40 -30 -20 -10 o 10 20 30 40 50 AXIAL FLUX DIFFERENCE (percent 6I)
FIGURE 5 AXIAL FLUX DIFFERENCE LIMITS AS A FUNCTION OF % OF RATED THERMAL POWER FOR RAOC PAGE 11 of 11}}