ML20196B371

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Cycle 8 Operating Limits Rept (Olr)
ML20196B371
Person / Time
Site: Braidwood Constellation icon.png
Issue date: 09/08/1998
From: Richard Lee, Murphy P, Redden D
COMMONWEALTH EDISON CO.
To:
Shared Package
ML20196B369 List:
References
NUDOCS 9812010089
Download: ML20196B371 (15)
v • d • e


Text

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NUCLEAR FUEL MANAGEMENT DEPARTMENT -

NUCLEAR DESIGN INFORMATION TRANSMITTAL

@ SAFETY RELATED Onginating Organization NDIT No. NFM9800167 0 NON-SAFETY RELATED @ Nuclear Fuel Manage:nent Seq. No. o O REGULATORY RELATED 0 Other(specify) Page 1 of 15

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( Station Braidwood Jnit I cle '8 Generic To: Tom Luke, Braidwood Site Enginee l ager Subject Braidwood Unit I Cycle 8 Operating Limits Report (OLR)

R. C. Lee f/f "

Q ]k$-

Preparer Preparer's Signature Date' P. R. Murphy Ub / 7/8/$3 Reviewer r's Signatu

/ Date l

D. R. Redden k NFM Supervisor NPMfupervisor's Signature Date Status ofinformation:

, f,%,./

@ Verified O Unverified O EngineeringJudgement l

l Method and Schedule of Verification for Unverified NDITs: I Description ofInformation: Attached is the Braidwood Unit I Cycle 8 Operating Limits Report (OLR).

I Purpose ofinformation: Braidwood Station is requested to perform an On-Site Review (OSR) of this document. Upon completion of the OSR, Braidwood Station is to transmit the OLR portion to the Nuclear Regulatory Commission pursuant to Technical Specification 6.9.1.9.

Please provide NFM (Rob Lee) with a copy of Braidwood Station's completed OSR and OLR submittal to the NRC.

Source ofInformation: 1) PND Calculation Number NR 02,"BRIC8 NDR - Core Operating Limits Report (COLR) Fxy Portion," Project BRIC8, dated August 25,1998.

2) PND Calculation Number SP 14,"BRIC8 SPIL UET," Project BRIC8, File NDN 10.6, dated May 12,1998
3) Letter from M. Lesniak to U. S. Nuclear Regulatory Commission," Application for Amendment to Facility Operating Licenses-Reactivity Control Systems; Byron Station Units 1 and 2. NPF -37/66: Docket Nos. 50- 1 454/455; Braidwood Units I and 2 NPF-72/77 Docket Nos. 50-456/457," dated December 21,1995. l l l Supplemental Distribution: D. Chrznowski L. Kepley / L Thomasen P. Boyle E. Young /R. Ng H. S. Kim/J. Dunlap Braidwood Central File Downers Grove Central File i

, V i 9812010089 981116 y PDR ADOCK 05000456; P PDR y l

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l NDIT NFM9800167 l Seq. 0 l Page 2 of 15

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/ \ '

OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 Q) .*

  • 1.0 OPERATING LIMITS REPORT This Operating Limits Report (OLR) for Braidwood Station Unit 1 Cycle 8 has been prepared in accordance with the requirements of Technical Specification 6.9.1.9.

The Technical Specifications affected by this report are listed below:

3/4.1.1.3 Moderator Temperature Coefficient 3/4.1.3.5 Shutdown Rod Insertion Limit 3/4.1.3.6 Control Rod Insertion Limits 3/4.2.1 Axial Flux Difference 3/4.2.2 Heat Flux Ho.t Channel Factor 3/4.2.3 Nuclear Enthalpy Rise Hot Channel Factor 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 the NRC approved methodologies specified in Technical Specification 6.9.1.9.

,q 2.1 Moderator Temperature Coefficient (Specification 3/4.1.1.3) 2.1.1 The Moderator Temperature Coefficient (MTC) limits are:

a. The BOUARO/HZP-MTC shall be less positive than +3.8 x 104 Ak/k/*F.
b. The EOUARO/RTP-MTC shall be less negative than -4.1 x 10d Ak/k/*F.

2.1.2 The EOUARO/RTP-MTC Surveillance limit is:

The 300 ppm /ARO/RTP-MTC should be less negative than or equal to -3.2 x 10d Ak/k/*F.

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

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l NDIT NFM9800167 Seq.0 Page 3 of 15

,m

  • OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 i

2.2 Shutdown Rod insertion Limit (Specification 3/4.1.3.5) l l

2.2.1 All shutdown banks shall be withdrawn to at least 226 steps. l l

2.3 Control Rod insertion Limits (Specification 3/4.1.3 6) l 2.3.1 The control banks shall be limited in physical insertion as shown in Figure 1.

2.4 Axial Flux Difference (Specification 3/4.2.1) 2.4.1 The AXIAL FLUX DIFFERENCE (AFD) target band is +3, -12% of the target flux difference.

2.4.2 The AFd Acceptable Operation Limits are provided in Figure 2.

1 2.5 ' Heat Flux Hot Channel Factor (Specification 3/4.2.2) l 2.5.1 Fo(Z) s [F"o"/P][K(Z)] for P > 0.5 Fo(Z) s [F"gP/0.5][K(Z)) for P s 0.5 l l

where: P = the ratio of THERMAL POWER to RATED THERMAL POWER l

() .

() F"g" = 2.60 K(Z)is provided in Figure 3.

2.5.2 Fh = F"J" [1 + 0.2(1 - P)]

F"[ limits within specified core planes shall be:

1. For 0 s BU s 1000 MWD /MTU,
a. For the lower core region from greater than or equal to 0% to less than or equal to 50%:
1) F"J" t 3.028 for all core planes containing bank "D" control rods
2) F"f s 1.935 for all unrodded core planes
b. For the upper core region from grester than 50% to less than or equal to 100%:
1) F",TP s 2.271 for all core planes containing bank "D" control rods

- 2) F"," s 2.105 for all unrodded core planes n ,

NDIT NFM9800167 Seq.0 Page 4 of 15

, ,~ OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT I CYCLE 8 l

11. For 1000 < BU s 8000 MWD /MTU,
a. For the lower core region from greater than or equal to 0% to less than or equal to 50%:
1) F"l" s MM fM M wm #an mWNg WW "D" mW me
2) F"lP s 1.929 for all unrodded core planes
b. For the upper core region from greater than 50% to less than or equal to 100%: I
1) F"l's 2.271 for all core planes containing bank "D" control rods
2) F"l" s 151 fw MI wWM wm #ms l Ill. For BU > 8000 MWD /MTU,
a. For the lower core region from greater than or equal to 0% to less than or equal to 50%:
1) F"7 s 3.028 for all core planes containing bank "D" control rods
2) F"f s 1.867 for all unrodded core planes
b. For the upper core region from greater than 50% to less than or equal to 100%:
1) F"" s 2.163 for all core planes containing bank "D" control rods
2) F"l" s 1.991 for all unrodded core planes 2.5.3 Plots of [Fo(z)
  • P ,j vs Axial Core Height are provided in Figures 4,5, and 6.

Tables 1,2, and 3 contain the data plotted in Figures 4, 5, and 6, respectively.

2.6 Nuclear Enthalov Rise Hot Channel Factor (Specification 3/4.2.3)

Fys s F"J[1.0 + PF,(1.0 - P)]

where: P = the ratio of THERMAL POWER to RATED THERMAL POWER F"J = 1.70 PF, = 0.3 O

NDIT NFM9800167 Seq.0 Page 5 of 15 I ~

OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 V) -

Figure 1:

Control Bank Insertion Limits Versus Percent Rated Thermal Power (29% 228) (79%.228)

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l 2= / i

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l BANKS:

180 l  !  !

I (100%,16-(0%.162) l 7

5 I 140

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,d I  :

E '

120 in { SANK C ! /

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  1. l(0%, 47) l  ;

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[~N - i  ! 1 l

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l l(30%. 0)  !

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3 10 00 20 40 50 60 70 30 90 100 Relative Power (Percent)

_ __ _ . - _ . _..m .

NDIT NFM9800167 Seq.O Page 6 of 15 O

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OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 FIGURE 2: Axial Flux Difference Limits As A Function of Rated Thermal Power II!!ll1Ill}It i!llll l lll1lllllll l ll ll ll7 Iiillll!llIll'l'!lllllll lllll lllljjllll;ll l l

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. ,; . , sia.4,, UNACCEPTABLE l

ll UNACCEPTABLE ' ' vu ,

llll 'lt/  : 'T II CPERATION IlI OPERATION IIII '  ;  :- .IV lli l I ll \f i l i l i t i i i i i j i . lll Illl' Illllll/l! _

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!!ll !Il'il!!lllt I! l>!IIlll 53 so 30 .:o .t o o to * 'o 40 50 Flux Difference (.11) %

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Figure 3: K(Z)- Normalized Fo(Z) As . _ Function of Core Height ..

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(6.0.10) o N (12 0 l)925) 99 _

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  • W q ,

03 -

G-n r- O m q 02 m H

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oi m 3 8

<n o a l 0

0 1 2 3 4 5 6 7 8 9 10 11 12 BOHOM CORE HEIGHT (FT) ino

NDIT NFM9800167 Seq.0 Page 8 ot' 15

( OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT I CYCLE 8 l

Figure 4 i

Braidwood Unit 1 Cycle 8  !

FQ(Z) x P versus Core Height  !

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BU s 1000 MWDIMTU 2.8000 a _ _ . I l

2.6000 -- - (60.2.60) J

""um ; unsung u== - - ~

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M2.02.4@

2.4000

., .'s "

eaEaa s 3 E ."'s~ E3 8

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2.2000 , m Ea 7 _ _ _ _

g 2.0000 -- 7

. _ _ _ _ _ _ _ _ _ j;_ _

8 O 1.8000 L-- _ . - . _ . _ _ l y 1.6000 f._ N Fxy L5it Analysis Poini l

  • 1.4000 LOCA Limiting Envelope l I

5 -

  • Bottom Surveillance Limit

, y 1.2000 1  ;

p Sumemance Lima

( i 1.0000 m  :

N  :

  • 6 0.8000 . E
u. -

0.6000 - . l 0.4000 i- l 0.2000 : f 0.0000 ~ d i 0 1 2 3 4 5 6 7 8 9 10 11 12 BOTTOM CORE HEIGHT (FT) TOP O

NDIT NFM9800167 Seq.O Page 9 of 15 OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE S Figure 5 Braidwood Unit 1 Cycle 8 FQ(Z) x P versus Core Height i

)

1000 MWD /MTU <BU,:5 8000 MWD /MTU 2.8000 A- .

. (3.0.2.60)  !

2.6000 ,,,= u j u5 E "' s ~

,-55'aa , "eaa= E (12.0.2.405) 2.4000 p- - m- yg 2.2000 - a . - - - - - - - - . _ _ . .

a' *W g 2.0000 -- h - - -- _ -- __ _ . .__ _ _ _ _ _ _ _ _ _

E g. _ _ _

O 1.8000 -- - l-- - - - - --

y 1.6000 - L -- _

m Fxy Limit Analysis Points  :

{

E 1.4000  : LOCA Limiting Envelope  : i 1 2000 -- . --- - ;-- -

  • Bonom Smed!ance Limit  :

3 $ - + Top Surveillance Limit

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[Q 1 0000 ,

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{0.8000; l m__

0.6000 l _.

0.4000 -

0.2000 :

00000 _ A f 0 1 2 3 4 5 6 7 8 9 10 11 12 BOTTOM CORE HEIGHT (FT) TOP O

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NDIT NFM9800167 l Seq.0 i

~

OPERATING '.P.111S REPORT (OLR) for BRAIDWOOD L' NIT 1 CYCLE 8 l

Figure 6 Braidwood Unit 1 Cycle 8 FQ(Z) x P versus Core Height BU > 8000 MWDIMTU 2.8000 A, .

--l $0,240) 2'6000 J ,

2.4000 m m"-~{mEu s,, ,,,,, , ,y, ,,- __: (12.03 i05)

,e

_ -Emmag , g -E g. E m m _= .__

2.2000 E . E g .

m ,

a g 2.0000 -e l _ _ __.

0 1.8000 m __ .. I g 1.6000 : .y E Fxy Limit Analysis Points

  • _j H 1.4000 :  : LOCA Limiting Envelope  :

1 6 B@om SuweHlance Limd j l

/'~~ .2000 -

$ 1.0000 --- l + -Top Surveillance Limit  :

( g . .

6 u.,

0.8000 -  ; -

0.6000 + I c

0.4000 ~ -

0.2000 :. .

2 0.0000 i 6-0 1 2 3 4 5 6 7 8 9 10 11 1 BOTTOM CORE HEIGHT (FT) TC O

NDIT NFM9800167 Seq.0 Page 11 of 15

/3 OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8

( l .

Table 1: [FJz)

  • P.,,] vs. Axial Core Height (OsBUs1000 MWD.'MTU)

Fq SPIL Core Height (feet) Max Fq x P LIMIT M'

Yno

"'T agsg.0.R754uu - 22sMyw s-F HL;.e2277-M4 Noc.k2'.600%r <-

W h.p bA,:W$

.U., W h ,3 W h "

,. .c + y;;;.

7

,.. .-l'p y .

-?. '. -n f m 1.8778 2.597 2.600 2.1282 2.395 2.600 2.5786 2.496 2.600 2.6290 2.510 2.600 2.8793 2.502 2.600 3.1297 2.492 2.600 3.3801 2.483 2.600 3.6305 2.478 2.600 3.8809 2.278 2.600 4.1312 2.458 2.600 4.3816 2.455 2.600 4.6320 2.443 2.600 4.8824 2.428 2.600 5.1327 2.411 2.600 E 'N 5.3831 2.385 2.600

() 5.6335 5.8839 2.180 2.347 2.600 2.600 6.1343 2.550 2.596 6.3846 2.562 2.588 6.6350 2.568 2.579 6.8854 2.570 2.571 7.1358 2.551 2.563 7.3861 2.389 2.555 7.6365 2.546 2.547 7.8869 2.528 2.539 8.1373 2.505 2.531 8.3877 2.476 2.522 8.6380 2.443 2.514 8.8884 2.367 2.506 9.1388 2.271 2.498 9.3892 2.353 2.490 9.6396 2.329 2.482 9.8899 2.306 2.474 10.1400 2.282 2.465

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&W,7680r.4 cmMp hhi* m wro.889 h #4&2$2011

-k4:S11 SUE:s';

2 +n2.413L fm\ .-

\ ! ^-ded area shows surveillance region.

anaded area itop and bottom 15%) is ignored.

NDIT NFM9800167 Seq.0 Page 12 of 15

, , OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 Table 2: [Fn(z)

  • P...] vs. Axial Core Height (1000< bus 8000 MWD'MTU)

Fq SPIL Core Height (feet) Max Fq x P LIMIT 4 p;2504hn wne.961 % wine 2.6 fbWN22'6$MW $ *!.(Qh W E it? ? &pp4.M.e;W fn%4 $$10! bispimwj@ c

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1.8778 2.522 2.600 2.1282 2.358 2.600 2.3786 2.487 2.600 2.6290 2.502 2.600 2.8793 2.522 2.600 3.1297 2.544 2.600 3.3801 2.563 2.600 3.6305 2.580 2.600 3.8803 2 389 2.600 4.1312 2.591 2.600 4.3816 2.599 2.600 4.6320 2.596 2.600 4.8824 2.587 2.600 5.1327 2.573 2.600 5.3831 2.549 2.600 5.6335 2.329 2.600 5.8839 2.507 2.600 6.1343 2.409 2.596 6.3846 2.418 2.588 6.6350 2.451 2.579 6.8854 2.479 2.571 7.1358 2.486 2.563 7.3861 2.352 2.555 7.6365 2.531 2.547 7.8869 2.534 2.539 8.1373 2.529 2.531 8.3877 2.515 2.522 8.6380 2.493 2.514 8.8884 2.423 2.506 9.1388 2.331 2.498 9.3892 2.408 2.490 9.6396 2.390 2.482 9.8899 2.351 2.474 10.1400 2.335 2.465

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.s 0M. *. s . W. . gND. .'t M1f..*"~~

( Unshaded area shows surveillance region.

Shaded area (top and bottom 15%) is ignored.

l l NDIT NFM9800167 Seq.O Page 13 of 15

, OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 l Table 3: [Fn(z)

  • Pu] vs. Axial Core Height (BU>8000 MWD'MTU) j Fq SPIL j Core Height (feet) l Max Fq x P LIMIT
w asp.957;h ~

l Xy shn faut. ' cga kt 41.2.600 W .f

.'s" ^ c :.s.~r -

6s G )".: Q s&l  %.

jj f y.':Pf.J, 2 Q' "4  ?!T g-

, gt-w.

j... ~* ,

1.8778 2.600 2.600 2.1282 2.389 2.600 2.3786 2.519 2.600 I 2.6290 2.537 2.600

!' 2.8793 2.523 2.600 3.1297 2.497 2.600 '

3.3801 2.472 2.600 3.6305 2.448 2.600 3.8809 2.234 2.600 4.1312 2.404 2.600 l

4.3816 2.403 2.600 1 4.6320 2.392 2.600 4.8824 2.379 2.600 5.1327 2.364 2.600 l l 5.3831 2.342 2.600 l l \ 5.6335 2.144 2.600  !

l 5.8839 2.337 2.600 O.1343 2.474 2.596

]

1 6.3846 2.488 2.588 6.6350 2.498 2.579 )

6.8854 2.504 2.571 1 7.1358 2.491 2.563 I 7.3861 2.339 2.555 7.6365 2.497 2.547 7.8869 2.491 2.539 8.1373 2.492 2.531 8.3877 2.488 2.522 8.6380 2.477 2.514 8.8884 2.420 2.506

, 9.1388 2.339 2.498 9.3892 2.434 2.490 9.6396 2.431 2.482 9.8899 2.450 2.474 ,

10.1400 2.464 2.465 I RZy(IK3BYD57 p3CJ ZI3 2~457f' l 9th en2Mem l 5 210W,2910 n 9 i44:si348TE 3 M ,:2M41- BWEM D 4d2439Ae cg --<--2g g g ;g g

~c:: - -m w.se 9s;;;;; c x d:r .42 m . y

. te- 2.Mwm/ r-6w.u-wwu, - - -

m-I s 1 9 eso w :t i.e co,928s c a. x ^*2.413mz

( Unshaded area shows surveillance region.

Shaded area (top and bottom 15%) is ignored.

. -. ... . - _ ~ . . . ~ . . . ~ . . . . - . . - . . . . . . . . _ . _ . . . - . . . .

NDIT NFM9800167 Seq.O Page 14 of15 4

OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 internal administrative information has been deleted from this page.

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l i I NDIT NFM9800167  ;

Seq. 0 Page 15 of 15

  • o
  • OPERATING LIMITS REPORT (OLR) for BRAIDWOOD UNIT 1 CYCLE 8 l

l Internal administrative information has been deleted from this page.

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