ML20035H476

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Rev 0 to Davis-Besse Unit 1 Cycle 9 Colr
ML20035H476
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 04/23/1993
From:
TOLEDO EDISON CO.
To:
Shared Package
ML20035H474 List:
References
NUDOCS 9305050128
Download: ML20035H476 (26)
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Text

{{#Wiki_filter:. Com Enclosure I Page 1 of 26 Revision 0 TOLEDO EDISON COMPANY DAVIS-BESSE UNIT 1 CYCLE 9 CORE OPERATING LIMITS REPORT 5 l i LIST OF EFFECTIVE PAGES Page C-1 through C-26 Rev. O i l i i 1 a 9305050128 930423 PDR ADOCK 05000346 C-1 i P PDR j

f COLR r Pag 2 2 of 26 i Revision 0 l Technical Specification /COLR Cross-Reference ii Technical Specification COLR Figure / Table 3.1.3.6 Figure la Regulating Group Position i and Limits, O to 75 210 l 3.1.3.8 EPPD, Four RC Pumps .i t -3.1.3.6 Figure Ib Regulating Group Position: and Limits, 75 t10 to 300 3.1.3.8 210 EFPD, Four RC Pumps-i 3.1.3.6 Figure Ic Regulating Group Position. j and Limits, 300 +10 to 425t10 i 3.1.3.8 EFPD, Four RC Pumps i 3.1.3.6 Figure ld Regulating Group Position I and Limits, after 425.210 EFPD l 3.1.3.8 Four RC Pumps 3.1.3.6 Figure 2a Regulating Group Position f and Limits, O to 75 10 EFPD, d 3.1.3.8 Three RC Pumps 3.1.3.6 Figure 2b Regulating' Group Position and Limits, 75 *10 to 300 3.1.3.8 110 EFPD,.Three RC Pumps 3.1.3.6 Figure 2c Regulating Group Position and. Limits, 300 $ 0.to 425 t10 1 3.1.3.8 EFPD, Three RC Pumps '{ 3.1.3.6 Figure 2d Regulating Group Position. 'f and Limits, after 425 t10 EFPD, 3.1.3.8 Three RC Pumps 'I 3.1.3.7 Figure 3 Control Rod Core Locations and Group Assignments 3.1.3.9 Figure 4a APSR Position Limits,: i -O to 425 110 EFPD, Four RC Pumps 3.1.3.9 Figure 4b APSR Position Limits,. f After 425 +10 EFPD,-Three or Four RC Pumps, APSRs-- Vithdrawn i 3.1.3.9 Figure 4e -APSR Position Limits,. -O to 425 110'EFPD, Three RC I Pumps. .l C l (

COLR i Pag 2 3 of 26 i Revision 0 i 3.2.1 Figure Sa AXIAL POVER IMBALANCE Limits, O to 75 210 EFPD,'Four RC Pumps l 3.2.1 Figure $b AXIAL POVER IMBALANCE l Limits, 75 2 0 to 300 l 1 210_EFPD, Four RC Pumps 3.2.1 Figure Sc AXIAL POWER IMBALANCE Limits, 300 t10 to 425 210 EFPD, Four RC Pumps 3.2.1 Figure 5d AXIAL POWER IMBALANCE Limits, after 425 +10. EFPD, Four RC Pumps 3.2.1 Figure 6a AIIAL POWER IMBALANCE Limits, O to 75 210 EFPD, l Three RC Pumps 3.2.1 Figure 6b AXIAL POWER IMBALANCE [ Limits, 75-210 to 300 y 210 EFPD, Three RC Pumps 3.2.1 Figure 6c AXIAL POWER IMBALANCE Limits, 300 210 to 425 i10 EFPD, Three RC Pumps [ 3.2.1 F'lgure 6d AXIAL POWER'IKBALANCE Limits, after 425 -+10 EFPD, Three RC Pumps 3.2.4 Table 1 QUADRANT POWER TILT Limits i 3.1.1.3c Table 2 Negative Moderator i Temperature Coefficient [ Limit i L i r ~$ C-3 i u..

COLR Pag 2 4 of 26 Revision 0 t TOLEDO EDISON i DAVIS-BESSE UNIT 1 CYCLE 9 t CORE OPERATING LIMITS REPORT r 1.0 Core Operating Limits i This CORE OPERATING LIMITS REP' 1 for DB-1 Cycle 9 has been prepared in accordance with the requirements of Technical Specification 6.9.1.7. The core operating limits have been developed using the methodology provided in the references. The following cycle-specific core operating limits are included in this report: i

1) Regulating rod insertion limits and Xenon reactivity

" power level cutoff".

2) Rod program group positions
3) Axial Power Shaping Rod insertion limits
4) AXIAL POWER IMBALANCE operating limits and f
5) OUADRANT POVER TILT limits
6) Negative Moderator Temperature Coefficient limit 2.0 References
1) B&V Fuel Company, Topical Report BAV-10122A Rev. 1, " Normal Operating Controls", May 1984
2) B&V Fuel Company, Topical Report BAV-10116A, " Assembly Calculations and Fitted Nuclear Data", May 1977
3) B&V Fuel Company, Topical Report BAV-10117P-A, " Babcock & Wilcox Version of PDQ User's Manual", January 1977
4) B&V Fuel Company, Topical Report BAV-10118A, " Core Calculational Techniques and Procedures", December 1979.

1

5) B&W Fuel Company, Topical Report BAV-10124A, " FLAME 3 - A i

Three-Dimensional Nodal Code for Calculating Core Reactivity and Power Distributions", August 1976 i C-4 I

COLR Pag 2 5 of 26 Revision 0

6) B&V Fuel Company, Topical Report BAV-10125A, " Verification of the Three-Dimensional FLAME Code", August 1976 i
7) B&V Fuel Company, Topical Report BAV-10152A, "NDODLE - A Multi-Dimensional Two-Group Reactor Simulator", June 1985
8) B&W Fuel Company, Topical Report BAV-10119 P-A, " Power Peaking Nuclear Reliability Factors", February 1979
9) B&W Fuel Company. Topical Report BAV-10180-A, "NEMO. Nodal Expansion Method Optimized," December 1992.

I i

10) B&W Fuel Company, Topical Report BAV-10162 P-A, " TAC 03: Fuel Pin Thermal Analysis Computer Code," November 1989.
11) Log Number 3139, dated January 11, 1990 (T. V. Vaabach (NRC) to l

D. C. Shelton (TE)). (NRC SER for Rod Program)

12) Log Number 3441, dated April 10, 1991 (J. R. Hall, Sr. (NRC) to D. C. Shelton (TE)). (NRC's SER for Negative Moderator Temperature i

Coefficient Limit) -l

13) Log Number 3609, dated October 29, 1991, (J. B. Hopkins (NRC) to D. C. Shelton (TE)).

(NRC's SER for change to Technical Specification 5.3.1)

14) BAV-2180, " Davis-Besse Nuclear Power Station Unit 1, Cycle 9 --

i Reload Report", December 1992. b i I l 1 l C-5 'l e re-

COLR Pags 6 of 26 Revision 0 Figure la Regulating Group Position Limits, O to 75t10 ETPD, Four RC Pumps -- Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification 3.1.3.6 and 3.1.3.8 (279,102)(300,102) POWER LEVEL (l92,102)

oo CUTOFF =

100% y (264,92) SHUTDOWN Q. 90 MARGIN (250,80) g< LIMIT b OPERATION RESTRICTED H 60 (122,60) '(247,60) Q N UNACCEPTABLE y OPERATION o 40 ACCEPTABLE OPERATION E (es.2s.5) e r 0. 20 t L e (0.3.2) O I I I I I I I l I I I I O I00 200 300 Rod Index (% Withdrawn) GR 5 I I I l 0 75 100 i 44 6 I I I I l 0 25 75 i00 GR 7 I I I O 25 100 Note 1: A Rod Group overlap of 25+5% between sequential withdrawn groups 5 l and 6, and 6 and 7 shall Se maintained. Note 2: Instrument error is not accounted for in these limits C-6

COLR Paga 7 of 26 Revision 0 Figure Ib Regulating Group Position Limits, 75210 to 300:10 EFPD, Four RC Pumps -- Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification 3.1.3.6 and 3.1.3.8 (279,102)(300,102) i00 - POWER LEVEL ^ 0 (265*102) CUTOFF = 100% C (264,92) $o 0. 80 (250,80) g< SHUTDOWN I MARGIN '/ I E LIMIT OPERATION I RESTRICT D 60 (l84,60) (247,60) w UNACCEPTABLE F OPERATION <C o 40 ACCEPTABLE OPERATION C eo a 5-P (I44,28.5) n. 20 s. e (0,3.2) O I I I I I I I I I I I I O I00 200 300 Rod Index (% Vithdrawn) GR 5 I I I O 75 100 GR 6 I I I I O 25 75 i00 i GR 7 I I I O 25 100 Note 1: A Rod Group overlap of 25 5% between sequential withdravn groups 5 1 and 6, and 6 and 7 shall be maintained. t Note 2: Instrument error is not accounted for in these limits C-7

COLR Pega 8 of 26 j Revision 0 l Figure Ic Regulating Group Position Limits, j 300 10 to 425 10 EFPD, Four RC Pumps -- J Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification l 3.1.3.6 and 3.1.3.8 1 1 (268,102)(300,102) i00 - POWER LEVEL (265*102) " CUTOFF = 100% i I I (264,92) 0 l l 1 80 (250,80) d SHUTDOWN I MARGIN '/ I C LIMIT OPERATION RESTRICT D (184,60) (24T,60) ~ UNACCEPTABLE F OPERATION <C ACCEPTABLE o 40 OPERATION C e u (I44,28.5) 5-c. 20 j f c l e (0,3.2) O I I I I I I I I I I I I O I00 200 300 Rod Index (% Withdrawn) GR 5 I I I O 75 i00 ) GR 6 I I I I O 25 75 i00 GR 7 I I I l 0 25 i00 1 Note 1: A Roo Group overlap of 25+5% between sequential withdrawn groups 5 I and 6, and 6 and 7 shall Ee maintained. Note 2: Instrument error is not accounted for in these limits C-8

COLR Pega 9 of 26 Revision 0 Figure 1d Regulating Group Position Limits, After 425 10 EFPD, Four RC Pumps -- Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification 3.1.3.6 and 3.1.3.8 (279,102)(300,102) i00 - FWER LEVEL 0 CUTOFF = 100% ) C (264.92) o. 80 4 (250,90) y SHUTDOWN e MARGIN y LIMIT 60 (208,60) '(247,60) O La p l i UNACCEPTABLE OPERATION

_ OPERATION o 40 RESTRICTED Ce E

(172,28.5) eb ~ ACCEPTABLE i OPERATION u e* [ t (0.3.2) O I I I I I I I I I I I l 0 i00 200 300 Rod Index (% Withdrawn) GR 5 l l I O 75 100 GR 6 I I I I O 25 75 i00 GR 7 I I I i O 25 100 Note 1: A Rod Group overlap of 25+5% between sequential withdrawn groups 5 and 6, and 6 and 7 shall Ee maintainsd. Note 2: Instrument error is not accounted for in these limits C-9

n 1 _i COLR Paga 10 of 26 Revision 0 1 Figure 2a Regulating Group Position Limits, J 0 to 75 10 EFPD, Three RC Pumps -- Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification 3.1.3.6 and 3.1.3.8 loo t O B0 (279,77)(300,77) (192,77) g povtR trvat CUTOFF - 75% r UNACCEPTABLE (264,69) E OPERATION H 60 (250,60) OPERATION F-RESTRICTED (122,45.5) (247.45) o 40 SHUTDOWN .-c MARGIN LIMIT i L ACCEPTABLE g 20 OPERATION l (96,21.9) t. I e 1 3 g (0,2.9) o i I I I I I 1 I l 0 100 200 soo Rod Index (% Withdrawn) GR 5 I I I l 0 75 I00 GR 6 l I I I .f f O 25 75 100 { GR 7 I I I O 25 300 [ Note 1: A Rod Group overlap of 25+5% between sequential withdrawn groups 5 l and 6, and 6 anu 7 shall Se maintained. Note 2: Instrument error is not accounted for in these limits C-10 t t

COLR i Page 11 of 26 Revision 0 t Figure 2b Regulating Group Position Limits, 75 10 to 300*10 EFFD, Three RC Pumps -- i Davis-Besse 1, Cycle 9 i This Figure is referred to by Technical Specification { 3.1.3.6 and 3.1.3.8 100 .3 tr (279,77)(300,77) 80 (265.77) ^ 0 y - POVER LEVEL CUTOFF = 75% g SHUTDOWN (264,69) MARGIN r LIMIT wIH 60 UNACCEPTABLE (250,60) o OPERATION W Q (l84,45.5) OPERATION RESTRICTED (247.45) o 40 Cau ACCEPTABLE OPERATION n. 20 (144,21.9) L o 5- [ (0.2.9) o i I I I I I I I I I I I q 0 I00 200 300 Rod Index (% Withdrawn) GR 5 I I I O 75 100 t GR 6 I I I I o 25 75 ioo GR 7 I I I O 25 100 Note 1: A Rod Group overlap of 25+5% between sequential withdrawn groups 5 and 6, and 6 and 7 shall Ee maintained. t Note 2: Instrument error is not accounted for in these limits 2 C-11

l COLR Paga 12 of 26 l Revision 0 Figure 2c Regulating Group Position Limits, 300 10 to 425 10 EFPD, Three RC Pumps -- Davis-Besse 1 Cycle 9 This Figure is referred to by Technical Specification 3.1.3.6 and 3.1.3.8 l 100 tc k 80 (265.77) ^ y ROVER LEVEL CUTOFF - 75% [ SHUTDOWN (264,69) MARGIN I -T LIMIT H 60 UNACCEPTABLE (250,60) o OPERATION w (lB4.45.5) OPERATION RESTRICTED (247,45) o 40 Ceo ) J ACCEPTABLE OPERATION 1 20 ~ (144,21.9) c e 3 { (0,2.9) q O I I I I I I I I I I I I O I00 200 300 Rod Index (% Withdrawn) GR 5 I I I O 75 100 GR 6 I I I I O 25 75 I00 GR 7 I I I O 25 100 Note 1: A Rod Group overlap of 25 5% between sequential withdrawn groups 5 1 and 6, and 6 and 7 shall be maintained. Note 2: Instrument' error is not accounted for in these limits C-12

i COLR Pega 13 of 26 Revision 0 Figure 2d Regulating Group Position Limits, After 4252 0 EFPD, Three RC Pumps -- 1 1 Davis-Besse 1, Cycle 9 i 9-This Figure is referred to by Technical Specification 3.1.3.6 and 3.1.3.8 ioo [ t s i I (279,77)(300,77) l c. eo d POVER LEVEL Ctrr0FF - 75% (264,69) MTM I MARGIN UNACCEPTABLE LIMIT F 60 (250,60) o OPERATION w r i (20s,45.5) (247,45) + o 40 I OPERATION e RESTRICTED o L e g 20 ACCEPTABLE (172.21.9) OPERATION c e t .3 i 0.2.9) q 0 I I I I I I I I I I I I o 100 200-300 Rod Index (X Withdrawn) GR 5 I I 1 0 75 100 GR S I I I I O 25 75 100 GR 7 I I I O 25 100 Note 1: A Rod Group overlap of 25 5% between sequential withdrawn groups 5 and 6, and 6 and 7 shall be maintained. I Note 2: Instrument error is not accounted for in these limits i C-13

l COLR i Page~14 of 26 j Revision 0 Figure 3 Control Rod Core Locations and Group Assignments -- Davis-Besse 1. Cycle 9 This Figure is referred to by Technical Specification 3.1.3.7 A N y 1 A I t B 4 6 4 C 2 5 5l 2 -j D 7 8 7 8 7 E 2 5 l5 l 2

l F

4 8 6 3-l6l 8 4 f t G 5 1 1l l 5 l H W-6 l 7 3 4 l3 l7 6 -Y [, K l5l 1 1l 5 [ l l 8 6 3 l6l 8 4 L 4 II l2 5 l 5 2 l N l l 7 8 7 .l8 7 l l 2 5 5l 2l 0 l l l 4 6 l4 l P = 1 1 I i i Z 'i 1 2' 3 4 5 6 7 8 9 10' 11 12 13 14 15 I r X. GrouD Number -i \\ Grouc No. of Rocs ' Function k 1 4 Safety -{ 2 8 Safety 3 4 Sa fety 4 9 Safety' 5 12 Control-6 8 Control-i 7 8 Control -8 _ 8, APSRs-Total 61 t C-14 s ..r 1.

COLR. Pega 15 of 26 Revision 0 l Figure 4a APSR Position, Limits, O to 425 10 EFPD, Four RC Pumps -- 1 Davis-Besse 1, Cycle 9 j This Figure is referred i to by Technical Specification i 3.1.3.9 i ( 0,102 ) - RESTRICTED REGION (l00.102) goo -x ct so 3 _J I -x $H so t c i w PERMISSIBLE E OPERATING REGION o 4o C U i i-e 'i D. 20 i

i. -

r o' o I I i I i I l-1 I I-3 0 10 20-30 40 50 60 70 so 90 loo i -l APSR Position (% Withdrawn) l l t i Note 1: Instrument error is not accounted for in these limits l l l C-15

^ COLR Pega 16 of 26-Revision 0 Figure 4b APSR Position Limits, After 425 10 EFPD, Three or Four RC Pumps, 1 1 APSRs Vithdrawn -- Davis-Besse 1, Cycle 9 [ This Figure is referred l to by Technical Specification j 3.1.3.9 t i l00 r ne i Q. 90 _J -l H 60 c APSR INSERTION NOT ALLOWED f: IN THIS TIME INTERVAL .j e l 4-o 40 C ?' U t L t e i Q. 20 i i u. .R l o' O I I I I I I 1 I I l O-10 20 30 40 50 -60 70 00 ' 90 100' 1 APSR Position (% Withdrawn). Note 1: Instrument error-is no't accounted for in these limits C-16 e-m-- ye44-g

i COLR Page 17 of 26 Revision 0 Figure 4c APSR Position Limits, O to 425+10 ETPD, Three RC Pumps -- Davis-Besse 1, Cycle 9 i This Figure is referred to by Technical Specification 3.1.3.9 - 2 100 l c-RESTRICTED REGION a. so - (o,77) (ing,77) l _J Ew 1 ~ & so Ow W PERMISSIBLE OPERATING o 40 REGION .C - U ? L. D. 20 L a o Q- ' l o i I I I I l-1 I I I o 10 20 30 40 50 60 70 so 90 100 APSR Position (% Withdrawn) Note la Instrument error is not accounted for in these limits 4 i C-17 i t r

i COLR Pcga 18 of 26 Revision 0 i Figure Sa AXIAL POWER IMBALANCE Limits, O to 75210 EFPD, Four RC Pumps -- Davis-Besse 1, Cycle 9 ) B This Figure is referred { to by Technical Specification 3.2.1 l i llo i (-18.102) - ^ (14.102) e (-20.92) (Is.92) I go j (-30.80) i d-- 80 >(20.80) { RESTRICTED RESTRICTED 7a REGION REGION g 1 60 o (20.sO) (-30,s0) o i 50 l PERMISSIBLE o ~! OPERATING l 4o REGION c e u 1. 30 l e Q. 20 i e i R [-- IO 'l l l 1 i l I l l ) -50 -40 -30 -20 -1O O IO 20 .30 40 50_ i AXIAL POWER IMBALANCE (X) i i l l .I Note 1 -Instrument error.is not accounted for in these-limits 1 ) C-18

N RR o EE t 5I GS e 0 IT ( ( 1 OR 3 3 NI 0 I 0 C n 4 I 8 ( s i 0 6 0 t t r 0 ) u 2 ( u ) 0 F m 1 i e n 3 o 9 9 g 4 u 2 t 0 ROP ) 1 re e EPE 0 r GER 2 5 r A IRM ) b or X OAI t 2 I 0 NTS i I o D7A i A IS a5X s L NI bT v2 I yh i1A n GB i s0L o P L Ts t O E e Bt P 1 I 0 cF eoO ac W [a* u e*5U.c. o-m<&@ ggeId 1 t-hi s V ng s3E c E iu e0R o C u R n 3 cr 0 ae ,1 I 1M 2l 1 I 0 t e i 0B 9 1Ss C A d M 1 I p yEL S .2 s 4 s 6 7 8 g 0 1 ce lPN er cFA f 1 o A 0 0 o o o 0 o 0 o 0 0 e,D C if r L 1 I fe E i A 0 ir 9 cr FL n N ae oi C t d um th E i ri o t e 2 o n R,s s ( ( 0 1 ,2 C e ( ( 6 P l 1 ) 2 RR 2 u 0 i 0 9 2 p m 0 m EE i 2 s t 3 6 GS 9 ) I ) s 0 0 IT 0 OR ) ) NI RPC C eaO 4 T vg L ieR I 0 E s D i1 o9 n o 5 0f I 0 2 6 ~ il l i!,:;

l
!;>i!

., i.> 1 l 1l 1 ! ? t .k

COLR J Pega 20 of 26 Revision 0 Figure Sc AXIAL POVER IMBALANCE Limits, 300 10 to 425210 EFPD, Four RC Pumps -- Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification 3.2.1 110 (-23,102) - - (I4.102) ,gg -x (-24.s2) (16,92) go ct (-30.00) i y 80 >(20,e0) I RESTRICTED 7o RESTRICTED i REGION REGION 60 o (20,60) (-30.60) o P-50 PERMISSISLE o OPERATING ~" REGION 7~ e u 30 CL w 20 g e n [ l0 I I l l l l l l I -50 -40 -30 -20 -10 0 10 20 -30 40 .50' AXIAL POWER IMBALANCE (%) Note 1: Instrument error is not accounted for in these limits C-20

N RR o 5I EE te 0 GS ( ( IT 1 ( OR 3 NI 3 3 ( 0 0 I ,0 C n 4 I 2 s 0 t 6 T 8 9 4 r 0 E 0 2 F D ) ) 1 u ) 0 i m e 2 g n 3 o o u ) t 0 r ROP e e EPE 5 r A GER d ro X IRM OAI t 2 r I I 0 NTS o DAA A afX i IS bT vt I s L NI yh ieA i srL n GB o P Ts L e B4P t O E cF e2O 1 I 0 a W hi s5W c E [*e .Q ; u e c L o. Ek ggEd.a T-c ng s2 E iu e1R o R 3 cr 0 C u 2 l I ae ,1 EM n I O i FB 1Ss CPA 2 t 1 e M p_ yDL d B er c, A 1 1 ce l N f A 2 s O 0 o g 5 s 7 s g if eFC 1 o L 0 o o o g 0 fe oE I r A O ir 9u I cr rL i N ae i n C t d Rm i Ci E t~ h o t e 2 n u,s P s ( 0 ol ( m e 1 p ( 6 s ( ( l ) 2 .RR 2 1 i i 3 EE 0 9 1 m 0 0 m IT 9 9 2 GS i t 0 0 2 s ) ) OR ) ) NI RPC eaO C vgL 40 T ieR i s E i2 D o1 n o 5 Of 1 0 2 6 D !I::

No -5l te 0 RR 1 EE GS ( IT ( I n 4 l 2 OR s 0 2 NI 2 t 2 C r ( u 5 T F 4 ,5 m ( i t e 1 g 0 5 u 6 5 n 3 u l 1 t r 0 3 O e ) ) e r 5 6 r A 6 a X 9 7 or 2 1 ) t I 7 0 o DOA A i ) Eb<UU d a X s lI bT vt I L W 5oZ'2e l* 8 - = ^ yh ioA n i s L o Ts - 7 P t e B5P 1 1 O cF e2 O O a hi s1V W f=I O. es C. F @ % I <_ Q c J. ng s0E c E iu e R o R cr E C u 3 ae 1FI n PM O 2 l 2 t I C,D B i 2 e A 1Ss d M i 1 p y L B i 2 3 4 5 6 7 g M O 0 er cTA O 1 f ce lhN A o 0 0 0 0 0 0 o if erC or L fe eE I A O ^ ir 9e I i cr L n N ae Ri ( C h E l t d Cm ( m t 1 i i 2 O o Pt ( ( e 2 n u,s RR 1 s I 1 m 5 EE 5 0 5 0 ( e p s l GS ) 0 0 8 7 IT 9 7 i m ) 4 OR 6 ) i 3 5 NI 0 t I s 0 C ) ) TE RPC eaO D vg L 4 ieR I 0 si2 o2 n o 0f 5 I 0 2 6 ^ Jl !Illi lIl! l '1 l I. i[;

f

'? l { I

e p g g-E mm C mm _ ota"g m R. b .N 0 7 i N o m 8 'g[3 y 7 .m c g a Q Gi o' + e n 2 'X 8 h y o es M FUD y = .r PEFNISSIBLE cr 4 <: i+ s

  • E 7EE OPERATING a

e REGION ya m 3 om O g* CuS .g Power.(Perconi of RATED THERMAL POWER) 7 .oM 8 m' y g ;; -,? s ? 'E

  • EE

"~ .~ o c z "i?" Om"E o.-

c. a g;

it '8 8 8 8 8 8 a ,8 8 8 5 H 4" on >o g a, a. K. F m w g. e g a y _g g. mmA m_ -P O x .= fO 2 w g o H .o m 4 e E 8 a 2" 8 ~ n a,a 4 s we O 0 9% g_ Me gg.,,r. qg'm.a ergtM "-M3'"#

COLR Page.24 of 26 Revision 0 Figure 6e AXIAL POWER IMBALANCE Limits, 300210 to 425 10 EFPD, Three RC Pumps -- Davis-Besse 1, Cycle 9 This Figure is referred to by Technical Specification 3.2.1 110 100 m 90-(-17.2,77) - d 90 y (10.5,77) f k (-18.0,69) i 70 (12.0,69) i l-(-22.5,60)< - s0 ,(i5.0,sO) H RESTRICTED REGION E ' RESTRICTED 50 REGION (-22.5,45) 4 ' i ' (15.O,45) 40 C U ?> $9 m 8p ~4,g a 20 C e @R[~~ 10 l-I l-1 1 I l I-1 i --50 -40 -30 -20 -10 O 10 20, 30 40 50 ~ AXIAL POWER IMBALANCE (%) Note 1: Instrument error is not accounted for.in these limits C-24 c.:

sg e = a a u om m. e a e wr t e E;.mE E =n* k "g~5852 ,=E! - l e 4 .e oL*

A 'COLR - ~ ' Pag 2 26 of 26 l Revision 0 i Table 1 QUADRANT POWER TILT Limits j 'l This Table is referred l to by Technical Specification - [ 3.2.4 i I Steady-state Steady-state i Limit for Limit for Quadrant Power Tilt Thermal Thermal Transient Maximum ] as measured by: Power < 60% Power > 60% Limit Liuit Symmetrical _incore 6.7 3.1 10.03 20.0 detector system Power Range channels 4.0** 1.6**' 6.96** 20.0** i Minimum incore detector 2.80* 1.8* 4.40* 20.0* system fl l Assumes detector strings with >60% depletion are excluded from the minimum i incore system configuration. I t 1

    • Due to the NI calibration methodology these numbers are not to be used.

(For guidance see DB-NE-03220) -j f t

I

.l Table 2 Negative Moderator Temperature Coefficient Limit This Table is referred = to by Technical Specification { 3.1.1.3c r !l Negative Moderator Temperature Coefficient Limit -3.79 x 10-'ak/k/'F i (at RATED THERMAL POWER) i 1 l l C-26

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