ML20248B123
| ML20248B123 | |
| Person / Time | |
|---|---|
| Site: | Mcguire |
| Issue date: | 09/18/1989 |
| From: | Tucker H DUKE POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8910030104 | |
| Download: ML20248B123 (6) | |
Text
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! Duke 1%wer Company.
' Ha It h ur PO Box 33198 :
Ike President
. Charlotte, N.C 28242.
Nuclear Production (70I)373 4 531
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- i DUKEPOWER September 18, 1989.
'U.S.' Nuclear Regulatory Commission
~
Document Control Desk-Washington, D.C.
20555
Subject:
'McGuire Nuclear Station, Unit 2 Docket No. 50-370 McGuire. Unit 2/ Cycle 6 Reload Peaking Factor Limit-Report Gentlemen:
The McGuire Unit 2 end of cycle 5 refueling outage' has been completed with cycle 6 'startup (initial criticality) achieved on September 17, 1989.
This
-reload was accomplished under ths provisions of 10CFR 50.59.
Pursuant'to Technical Specification 6.9.1.9, attached is the Peaking Factor Limit Report' for McGuire Unit 2/ Cycle 6..
This report provides the W(Z) functions that are to be used for RAOC' operation during Cycle 6.
Note that no Base Load operation analysis was performed for this cycle, and tgefore the W(Z) functions for Base Load operation and the value for APL are not being provided..For-RAOC. operation, a. set of data covering three specific burnup
' steps;is provided which permits the determination of'W(Z) at any cycle burnup through the use - of three point interpolation.
Figures 1-3 are the W(Z) functions appropriate for RAOC operation.
All of these W(Z) values have been
. independently verified. The appropriate W(Z) function is used to confirm that
.the heat-f?ux hot channel factor, Fq(z), will be limited to the values specified in the Technical Specifications.
Should there be any questions concerning this information, please advise.
.Very truly yours,
(
f Hal B. Tucker L.
PBN182/lcs Attachment n(
8910030104 890918 PDR ADOCK 05000370 P.
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Document Control Desk September 18,-1989 Page 2 xc:
Mr. S. D. Ebneter, Regional Administrator U.S. Nuclear Regulatory Commission - Region II 101 Marietta Street, NW - Suite 2900 Atlanta, GA 30323 Mr. D. S. Hood Project Manager Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C.
20555 Mr. P. K. Van Doorn NRC Resident Inspector McGuire Nuclear Station l
l
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H' PEAKING FACTOR LIMIT REPORT FOR McGUIRE 2 CYCLE 6 RAOC OPERATION This Peaking Factor Limit Report is provided in accordance with Paragraph 6.9.1.9 of the McGuire 2 Technical Specifications.
The McGuire 2 Cycle 6 elevation dependent W(;-) values for RAOC operation at beginning, middle (8000 MWD /MTU) and near end-of-life are shown in Figures 1 through 3, respectively. This information is sufficient to determine W(z) versus core height for Cycle 6 burnups in the range of 0 MWD /MTU to 14300 MVD/MTU through the use of three point interpolation.
W(z) values for RAOC operation were calculated using the method described in Part B of Reference 1.
The appropriate U(z) function is used to confirm that the heat flux hot c:annel factor, Fq(z), will be limited to the Technical Specification i; values of:
[K(z)] f r P > 0.50 and FMz) 5 Fq(z) $ 4.64
[K(z)] for P $ 0.50 The appropriate elevation dependent W(z) values. when applied to a power distribution measured under equilibrium conditions, demonstrate that the initial conditions assumed in the LOCA analysis are met, along with the ECCS acceptance criteria of 10CFR50.46.
(1) WCAP-10217-A, Relaxation of Constant Axial Control - Fq Surveillance Technical Specification i
k
HEIGHT BOL (FEET)
W(2) 0.00 1.0000 1.55 0.20 1.0000 0.40 1.0000 0.60 1.0000 0.80 1.0000 1.00 1.0000 A
I*
1.20 1.0000 1.40 1.0000 o
1.60 1.0000 1
1.80 1.5033 2.00 1.4788
^
1.45 2.20 1.4537 2.40 1.4277 2.60 1.4013 2.80 1.3745 3.00 1.3452 3.20 1.3240 x
10 3.40 1.3185 3.60 1.3133 3.80 1.3045 a
4.00 1.2945 4.20 1.2826 1.35 4.40 1.2688 4.60 1.2534 4.80 1.2365 o
5.00 1.2183 "A
5.20 1.1994 o
5.40 1.1822 1.30 5.60 1.1718 5.80 1.1721 3
N 6.00 1.1788 5
e 6.20 1.1873 6.40 1.1944
^
1.25 6.60 1.1998 6.80 1.2032 0
7.00 1.2045 A
7.20 1.2'034 7.40 1.1996
.AoA-7.60 1.1928 1.20 a
7.80 1.1850 "A
a a
8.00 1.1761 3
8.20 1.1652
,p i
n 8.40 1.1521 6
3 8.60 1.1406
^
^
a 8.80 1.1356 1.15
^.go 9.00 1.1379 9.20 1.1440 9.40 1.1494 9.60 1.1532 9.80 1.1652 1.10 10.00 1.1940 10.20 1.2231
- 10.40 1.0000
- 10.60 1.0000
- 10.00 1.0000 1.05
- 11.00 1.0000
- 11.20 1.0000
- 11.40 1.0000
- 11.60 1.0000
- 11.80 1.0000 I
- 12.00 1.0000 g
0 2
4 6
8 10 12 bot t.>m CORE HEIGHT (FEET) top FIGURE 1 MCGUIRE UNIT 2 CYCLE 6 RAOC W(Z) AT 150 MWD /MTU l
TOP AND BOTTOM 15% EXCLUDED AS PER TECH SPEC 4.2.2.2.G
--u----.- - - _ _ _ _ _.. _
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O HEIGHT MOL (FEET)
W(Z) 0.00 1.0000 1.!25 0.20 1.0000 0.40 1.0000 0.60 1.0000 0.80 1.0000
- 1.00 1.0000
- 1.20 1.0000 1 b0 1.40 1.0000
- 1.60 1.0000 1.80 1.2779 2.00 1.2659 2.20 1.2540 1.45 2.40 1.2422 2.60 1.2297 2.80 1.2168 3.00 1.2062 3.20 1.2043 1 AO 3.40 1.2142 3.60 1.2259 3.80 1.2358 4.00 1.2439 4.20 1.2498 4 40 1.2534 1.35 4.60 1.2546 4.80 1.2533 5.00 1.2498 5.20 1.2440 5.40 1.2360 1.30 5.60 1.2352 m,
6 5.80 1.2483 a
p 6.00 1.2604 u
N a
o
^
6.20 1.2679 n
^
6.40 1.2739
^
^
6.60 1.2787 1.25 c^^^..A u
a n
6.80 1.2825
^:
^
7.00 1.2861 0
64
^
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^
o" 7.20 1.2897 7.40 1.2919 e
a 7.60 1.2912 na 1.20 7.80 1.2878 8.00 1.2815 8.20 1.2725 8.40 1.2616 8.60 1.2469 8.80 1.2292 1.15 9.00 1.2238 9.20 1.2284 9.40 1.2320 9.60 1.2355 9.80 1.2404 1.10 10.00 1.2469 10.20 1.2537
- 10.40 1.0000
- 10.60 1.0000
- 10.80 1.0000 11.00 1.0000 1.05
- 11.20 1.0000
- 11.40 1.0000
- 11.60 1.0000
- 11.80 1.0000
- 12.00 1.0000 1.00 0
2 4
6 8
10 12 bottom CORE REIGHT (FEET) top FIGUFG; 2 MCGUIRE UNIT 2 CYCLE 6 RAOC W(Z) AT 8000 MWD /MTU TOP AND BOTTOM 15% EXCLUDED AS PER TECH SPEC 4.2.2.2.G
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s' s
- - d '#.
4',
HEIGHT EOL (FEET)
W (Z) 0.00 1.0000.
1.55 0.20 1.0000 0.40 1.0000 0.60 1.0000 0.80 1.0000 1.00 1.0000 1.50 1.20 1.0000 1.40 1.0000 1.60 1.0000 1.80 1.2858 2.00 1.2739 1.45 2.20 1.2621 2.40 1.2505 2.60 1.238) 2.80 1.2250 3.00 1.2149
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3.20 1.2158 1.40 3.40 1.2308 3.60 1.2464 3.80 1.2586 4.00 1.2688 4
4.20 1.2764 3
.a a
4.40 1.2812 1.35 o
4.60 1.2830 e
e 4.80 1.2820 i
A 5.00 1.2784 i
5.20 1.2750 a
5.40 1.2805 1.30 5.60 1.2948 i
a a
5.80 1.3125 a
m 6.00 1.3277 N
4-n a 6.20 1.3390
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i, a
6.40 1.3478
^
u 3
1.25 2
4 6.60 1.3547 a
3^
6.80 1.3590
^
7.00 1.3597 i
a
~
o 7.20 1.3565 na "A
7.40 1.3497 J
7.60 1.3388 1.20 7.00 1.3237 8.00 1.3053 8.20 1.2856 8.40 1.2675 8.60 1.2549 a.80 1.2504 1.15 9.00 1.2484 9.20 1.2460 9.40 1.2423 9.60 1.2343 9.80 1.2242 1.10 10.00 1.2165 10.20 1.2121
- 10.40 1.0000
- 10.60 1.0000
)
- 10.80 1.0000 l
- 11.00 1.0000 l
1.05
- 11.20 1.0000
- 11.40 1.0000 i
- 11.60 1.0000 i
- 11.80 1.0000
- 12.00 1.0000 1
1.00 0
2 4
6 8
10 12 j
bottom CORE HEIGHT (FEET) top j
l FIGURE 3 MCGUIRE UNIT 2 CYCLE 6 i
RAOC W(Z) AT 13300 MWD /MTU l
l 1
TOP AND BOTTOM 15% EXCLUDED AS PER TECH SPEC 4.2.2.2.G l
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