ML20198K409

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COLR for Jm Farley,Unit 1 Cycle 16
ML20198K409
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 12/18/1998
From:
SOUTHERN NUCLEAR OPERATING CO.
To:
Shared Package
ML20198K393 List:
References
NUDOCS 9812310034
Download: ML20198K409 (12)
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Text

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CORE OPERATINO LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEMEMBER 1998 14 CORE OPERATINO LIMITS REPORT This Core Operating Limits Report (COLR) for Joseph M. Farley Unit 1 Cycle 16 has been prepared in accordance with the requirements of Technical Specification 6.9.1.11.

The Technical Specifications affected by this report are listed below:

3/4.1.1.1 SHUTDOWN MARGIN - MODES 1,2,3 and 4 3/4.1.1.2 SHUTDOWN MARGIN - MODE 5 3/4.1.1.3 Moderator Temperature Coefficient 3/4.1.3.5 Shutdown Rod Insertion Limit 3/4.1.3.6 Control RodInsertion Limits 3/4.2.1 Anal Flux Difference 3/4.2.2 Heat Flux Hot Channel Factor - Fq(Z) 3/4.2.3 Nuclear Enthalpy Rise Hot Channel Factor - F N f

i 9912310034.981218 F PDR ADOCK 05000348

,P. PDR(

Page 1 of12 l

l CORE OPERATINO LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 i- 2.0 Operating Limits The cycle-specific parameter limits for the specifications listed in Section 1.0 are presented in the follow-ing subsections.' These limits have been developed using the NRC-approved methodologies specified in Technical Specifications 6.9.1.11.

2.1 SHUTDOWN MARGIN - MODES 1. 2. 3 nnr14 (Specification 3/4.1.1.1) 2.1.1 The SHUTDOWN MARGIN shall be greater than or equal to 1.77 percent Ak/k.

2.2 SHUTDOWN MARGIN - MODE 5 (Specification 3/4.1.1.2) 2.2.1 The SHUTDOWN MARGIN shall be greater than or equal to 1.0 percent Ak/k.

2.3 Moderator Temnernture coefficient (Specification 3/4.1.1.3) 2.3.1 The Moderator Temperature Coefficient (MTC) limits are:

The BOUARO/HZP-MTC shall be less than or equal to +0.7x10 4 Ak/k/'F for power levels up to 70 percent RTP with a linear ramp to 0 Ak/k/ F at 100 percent RTP.

The EOUARO/RTP-MTC shall be less negative than -4.3x10 4 Ak/k/'E 2.3.2 The MTC Surveillancelimitis:

The 300 ppm /ARO/RTP-MTC should be less negative than or equal to 4

-3.65x10 Ak/k/*E The IC^ ppm /ARO/RTP-MTC should be less negative than -4.0x10 d Ak/k/ E 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 Rod Insertion Limit (Specification 3/4.1.3.5) 2.4.1 The shutdown rods shall be withdrawn to a position greater than or equal to 225 r.teps.

4 Page 2 of 12

CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 2.5 Control Rod Insertion I Imite (Specification 3/4.1.3.6) 2.5.1 The control rod banks shall be lirnited in physical insenion as shown in Figure 1.

. 2.6 Axial Flux Difference (Specification 3/4.2.1)

[ Relaxed Axial Offset Control (RAOC) Methodology) 2.6.1 The Axial Flux Difference (AFD) acceptable operation limits are provided in Figure 2.

2.7 Heat Flux Hot Channel Factor - F9 (Z) (Specification 3/4.2.2)  ;

[FqMethodology) y RTP O

2.7.1 Fg(Z)s p K(Z) forP > 0.5 l

p RTP F9(Z)s 9.3 MZ) forN &S l

where:

THERMAL POWER P = RATED THERMAL POWER 2.7.2 FgRW = 2.50 2.7.3 K(Z)is provided in Figure 3.

c Fg 2.7.4 Fg (Z) $ p,g(7) K(Z) forP > &5 c Fg#"

Fg (Z) S K(Z) forP S &S 9.3,y(,)

1 2.7.5 W(Z) values are provided in Figures 4 through 7.

2.7.6 'Ihe F qc(Z) penalty factors are provided in Table 1.

Page 3 of12

CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 2.8 , Nuclear Fnthniny Rise Hot Channel Factor- FNH (Specification 3/4.2.3)

N

'2.8.1 F $F RTP (1 + PFay - (1 - P))

AU AH where: THERMAL POWER P = RATED THERMAL POWER RTP 2.8.2 F = 1.70 AH 2.8.3 PFa = 0.3 1

Page 4 of 12

CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 Table 1 C

Fq (Z) PENALTY FACTOR Cycle c Fo (Z) ,

Burnup Penalty i (MWD /MTU) Factor l

All Burnups 1.0200 Notes: I

1. The Penalty Factor, to be applied to Fqc(Z)in accordance with surveillance requirement 4.2.2.2.f,is c

the maximum factor by which Fq (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 c

interval per Technical Specification 4.0.2) starting from the burnup at which the Fq (Z) was deter-mined.

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CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 (Fully withdrawn - 225 to 231 steps, inclusive) 225 f

f J

r 200 j 1

~

l l G / /

g 175 f g o r r Y BANK C

{a , 1

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150 /

rn /

Os / /

j / /

en / f 125 j j l 0 ~/ /

y /

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f100 ,/

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0 / I 0.0 0.1 0.2 0 . 3- 0.4 0.5 0.6 0.7 0.9 0.9 1.0 FRACTION OF RATED THERMAL POWER Figure 1 Rod Bank Insertion Limits versus Rated Thermal Power Page 6 of 12

CORE OPERATING LIMITS REPORT, M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 120 110 i (-12, 100) [1 (+9, 100) i 100

/ \

S 90 UN>

OP3 ccEPTABLE RA'IION

[ k UNACCI PTABLE OP1; RATION 80 -

2 / (

j 79 / AcezPaAsts OP];RA1 ION

\

y f

i' / \

/ \

g 50 -/ \

l (-30, 50) I (+24, 50) I j a 40 c.

30 20 10 0

-50 -40 -30 -20 -10 0 10 20 30 40 50 AXIAL FLUX DIFFERENCE (DELTA I)%

Figure 2 Axial Flux Difference Limits as a Function of Rated Thermal Power for RAOC Page 7 of 12

CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 1.1 1.0 0.9 a: 0.8 o

U

" 0.7 6

a.

0.6 O

j y 0.5 a

h 4 2 0.4 Core Height (ft) KfZd t

0.000 1.000 6.000 1.000 0.3 12.000 1.000 Fn= 2.50

0.2 t

0.1 4

0.0 0 2 4 6 8 10 12 CORE HEIGHT (feet)

Figure 3 K(z)

Normalized Fq(z) as a Function of Core Ileight 4

4 4

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CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 Axial Elevation BOL Point (feet) W(z) 1 12.00 1.0000 1.60 =

2 3

11.80 1.0000 11.60 1.0000 4 11.40 1.0000 5 11.20 1.0000 6 11.00 1.0000 7 10.80 1.0000 8 10.60 1.0000 9 10.40 1.0000 1.50

  • 10 10.20 1.0000 11 10.00 1.3046 12 9.80 1.2771 13 9.60 1.2454 14 9.40 1.2139 15 9.20 1.2065 16 9.00 1.2001 17 8.80 1.1963 1.40 18 8.60 1.2042 19 8.40 1.2154 20 820 1.2237 21 8.00 1.2290 22 7.80 1.2319 23 7.60 1.2320

- 24 7.40 1.2300 3

3 1.30 " 25 26 7.20 7.00 1.2282 1.2256 u A 27 6.80 1.2210 28 6.60 1.2147 i 29 6.40 1.2067 a 30 6.20 1.1973 A 31 6.00 1.1866 1.20 A

A A[ u A i ,A A 32 33 5.80 5.60 1.1751 1.1618

' s- 34 5.40 1.1480 n

a A 35 5.20 1.1446 i 36 h h map A

37 5.00 4.80 1.1459 1.1499 l I

38 4.60 1.1524 39 4.40 1.1544 40 4.20 1.1561 1*1 41 4.00 1.1565 42 3.80 1.1572 43 3.60 1.1587 A4 3.40 1.1593 ,

45 3.20 1.1654 1 46 3.00 1.1748 47 2.80 1.1906 i

48 2.60 1.2127 l 1.00 49 2.40 1.2336 0 2 4 6 8 10 12 50 2.20 1.2545 CORE HEIGHT (feet) 51 2.00 1.2V52 52 1.80 1.0000 53 1.60 1.0000 i 54 1.40 1.0000 55 1.20 1.0000 56 1.00 1.0000 This 6gure is referred to by TechoLeal SpeciScations 4.2.2.2d, B3/4.2.2.

h h,h f.0000 59 0.40 1.0000 60 0.20 1.0000 61 0.00 1.0000 Top and Bottom 15% Excluded per Figure 4 wealsgc e n4222 RAOC W(z) at 150 MWD /MTU Page 9 of12 l

l CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998 l

, Axial Elevation MOL-1 Point (feet) W(z) 1 12.00 1.0000 2 11.80 1.0000 1.60

  • 3 11.60 1.0000 4 11.40 1.0000 5 11.20 1.0000 6 11.00 1.0000 7 10.80 1.0000 8 10.60 1.0000 l 9 10.40 1.0000 1.50 10 10.20 1.0000 11 10.00 1.2334 12 9.80 1.2291 13 9.60 1.2251 14 9.40 1.2182 15 9.20 1.2097 16 9.00 1.1972 17 8.80 1.1948 1.4C 18 8.60 1.2026 19 8.40 1.2210 20 8.20 1.2354 21 8.00 1.2460 22 7.80 1.2535 23 7.60 1.2578

^ 24 7.40 1.2590 N 25 7.20 1.2575 1*30 26 7.00 1.2533 3:

27 6.80 1.2468 28 6.60 1.2383 A 29 30 6.40 6.20 1.2278 1.2157

[ "A 31 6.00 1.2023 a

A a g .# , 32 5.80 1.1872 1.20 ' / 33 5.60 1.1716 A

% 34 35 5.40 1.1571

& 5.20 1.1448 A 36 5.00 1.1430

( g 37 4.80 1.1438 MN 38 39 4.60 4.40 1.1434 1.1424 40 4.20 1.1398 1.10 41 4.00 1.1410 42 3.80 1.1446 43 3.60 1.1465 44 3.40 1.1475 45 3.20 1.1524 46 3.00 1.1598 47 2.80 1.1672 48 2.60 1.1768 1.00 1 49 2.40 1.1921 0 2 4 6 8 10 12 50 2.20 1.2067 51 2.00 1.2252 CORE HEIGHT (feet)

  • h 59

[0000 0000 0.40 1.0000 60 0.20 1.0000 61 0.00 1.0000 Top and Bottom 15% Excluded per Figure 5 Technical specmcation 4.2.2.2

! RAOC W(z)at 4000 MWD /MTU Page 10 of 12

CORE OPERKnNG LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SEPTEMBER 1998

. . Axial Elevation MOL-2 Point (feet) W(z) 1 12.00 1.0000 2 11.80 1.0000 1.60 3 11.60 1.0000 l 4 11.40 1.0000 l 5 11.20 1.0000 1 6 11.00 1.0000 7 10.80 1.0000 8 10.60 1.0000 9 10.40 1.0000 1.50 10 10.20 1.0000 11 10.00 1.1931 12 9.80 1.1884 13 9.60 1.1874 14 9.40 1.1983 15 9.20 1.2066 i 16 9.00 1.2133 l 17 8.80 1.2158 1.4C 18 8.60 1.2219 19 8.40 1.2437 20 8.20 1.2650 21 8.00 1.2824 22 7.80 1.2964 23 7.60 1.3066 24 7.40 1.3133 g A 25 7.20 1.3165

-1.3C  ; . 26 7.00 1.3165 3 A 27 6.80 1.3133 a 28 6.60 1.3073 A 29 6.40 A 1.2986 A A 30 6.20 1.2874 31 6.00 1.2742 A.

4[ 32 5.80 1.2581 l

1.2C 1  % 33 34 5.60 5.40 1.2415 A

A a# 35 5.20 1.2292 1.2202 36 5.00 1.2141 "g

a

[

37 38 4.80 4.60 1.2079 1.1996 A

$6 39 40 4.40 1.1897 4.20 1.1778 41 4.00 1.1679 1.10 42 3.80 1.1600 43 3.60 1.1512 44 3.40 1.1413 45 3.20 1.1344 46 3.00 1.1297 47 2.80 1.1293 48 2.60 1.1356 1.00 49 2.40 1.1456 0 2 4 6 8 10 12 lj f,2 .jgj5 CORE HEIGHT (feet) 52 1.80 1.0000 53 1.60 1.0000 54 1.40 1.0000 l 55 1.20 1.0000 56 1.00 1.0000 This 6gure is referred to by Technical 57 0.80 1.0000 SpeclBeations 4.2.2.2d, B3/4.2.2.

l

  • h 0.'

l

  • 60 0.20 1.0000 61 0.00 1.0000
  • Top and Bottom 15% Excluded per Figure 6 Technical specuication 4.2.2.2 RAOC W(z)at 10000 MWD /MTU i

Page 11 of 12

CORE OPERATING LIMITS REPORT, J. M. FARLEY UNIT 1 CYCLE 16 SETTEMBER 1998

, , Axial Elevation EOL Point (feet) W(z) 1 12.00 1.0000 2 11.80 1.0000 1.60

  • 3 11.60 1.0000 4 11.40 1.0000 5 11.20 1.0000 6 11.00 1.0000 7 10.80 1.0000 i 8 10.60 1.0000 9 10.40 1.0000 1.50 10 10.20 1.0000 11 10.00 1.1922 12 9.80 1.1867 13 9.60 1.1881 14 9.40 1.2096 15 9.20 1.2295 16 9.00 1.2479 17 8.80 1.2611 1.40 A

.A- 18 19 8.60 8.40 1.2734 1.2975 A 20 8.20 1.3266 n 21 8.00 1.3524 3 ,

22 7,80 1.3731 23 7.60 1.3893 A A 24 7.40 1.4010 a

25 720 1.4082 3

3:

1.30

  • 26 7.00 1.4111 l 27 6.80 1.4099

& 28 6.60 A 1.4049 i n A 29 6.40 1.3962 A

u i 30 620 1.3842

& 31 6.00 1.3689 A A }

32 5.80 1.3505 g A 33 5.60 1.3294 1.20 34 5.40 1.3055 a # 35 5.20 1.2786 a 36 5.00 1.2637 A A 37 4.80 1.2546 i A 38 4.60 1.2405 b 39 40 4.40 4.20 1.2246 1.2061 41 4.00 1.1882 1.10 42 3.80 1.1734 43 3.60 1.1613 44 3.40 1.1493 45 3.20 1.1344 46 3.00 1.1315 47 2.80 1.1336 48 2.60 1.1399 1.00 49 2.40 1.1521 0 2 4 6 8 10 12 50 2.20 1.1642 51 2.00 1.1762 CORE HEIGHT (feet)

  • 52 1.80 1.0000 53 1.60 1.0000 54 1.40 1.0000 55 120 1.0000 56 1.00 1.0000 This 6gure is referred to by Technical 57 0.80 1.0000 Specifications 4.2.2.2d, B3/4.2.2.

h 60 0.20 1.0000 61 0.00 1.0000

  • Top and Bottom 15% Excluded per Figure 7 Tuhnical Spaification 4.2.2.2 RAOC W(z) at 16000 MWD /MTU l

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