ML20086R250

Provides Addl Info Re Decay Heat Basis for Storage of Higher Enriched Fuel in McGuire Nuclear Station,As Discussed During 950717 Telcon.Addl Info Requested on HXs Not Yet Available

ML20086R250
Person / Time
Site:	McGuire, Mcguire
Issue date:	07/21/1995
From:	Tuckman M DUKE POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9507310071
Download: ML20086R250 (6)

Text

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DetherCwnpany M S. nuawv P.O.Bar1006^

Senior Mcehesident Oqlotte, NC28201-1006.

NuclearGenemtion (M)382-22000Mce (M)3824360 Fax -

DUKEPOWER i

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July 21,- 1995 U.S. Nuclear Regulatory Commission i

Attn: Document Control Desk Washington, D.C.~ 20555

Subject:

McGuire Nuclear Station, Units 1&2 Docket Nos. 50-369,370 respectively Additional Information on Fuel Enrichment Increase Submittal

.l

Gentlemen:

l As discussed during our conference call on July 17, enclosed is the additional information concerning decay heat basis for storage of higher enriched fuel in the McGuire NS Spent Fuel Pools. The additional information you requested on the heat exchangers is not yet available, however, it will forwarded as soon as possible.

We hope this information is sufficient to satisfy your concerns. Ifyou have any questions or there is anything else we can provide to assist in your review, please contact Ms. Judy Twiggs at 704-382-8897.

Pursuant to 10CFR50.91 (b) (1), a copy of this amendment request has been provided to the appropriate North Carolina State ofTicials -

Very Truly Yours, g, s. %d---

M.S. Tuckman Senior Vice President Nuclear Generation 310012 iA 9507310071 950721 PDR ADDCK 05000369 i

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t jgt/ Attachments U.S. NRC i

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S.D. Ebeneter, Regional Administrator l

U.S. Nuclear Regulatory Commission - Region II j

101 Marietta Street, NW - Suite 2900 Atlanta, Georgia 30323

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- t Victor Nerses, Project Manager.

Oflice of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 14H25, OWFN Washington, D.C. 20555 j

G.F. Maxwell Senior Resident Inspector l

McGuire Nuclear Station

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Dayne Brown, Chief State ofNorth Carolina Division of Radiation Protection P.O. Box 27687 Raleigh, N.C. 27611-7687 i

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Sheeti ITable A2-1 L

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Normal Maximum Heat Load - 76 Feed BatchTTBfP9-2 ANS 5.1 Burnup EFPD Discharge _ Total heatload heatload Cooling Enrichme (mwd /MTU)

Assemblie Discharge _ (BTU /Hr)

(BTU /Hr) 7 4.150 47277

_d (Days) 1234.022

__44 44 8.21 E+06 8.27E+06 4.400 42501 1109.359 32 76 5.95E+ 06 7.07E+06 1

579 4.150~ififf 1234.022 44 120 5.49E+05 6.89E+05 4.400 42501 1109.359 32 152 3.88E+05 4.71 E+05 1121 4.150 47277 1234.022

_ 4_4. _ _ 196 3.19E+05 3.36E+05 4.400 42501 1109.359 32 228 2.24E+05 _ 2.26E+05 1664 4.150 47277 1234.022 44 272 2.58E+05 1.98E+05 4.400 42501 1109.359 32T ~ 304 T865i55 1.32E+05 2207 4.150

4_7277, 1234.022

__44' _ 348 2.37E+05 1.42E+05 4.400__ 42501 1109.359 32 380 1.65E+05 9.45E+ 04 2749 4.150 ~ 41277 125Ed52i ~ ~ 44 ~

~424) ~2.26E705 1.215+05

~

~

4.4d0~ ~ ~5556I ' iib 9 359l 32 456i 1.57E+05 8.02E+04

~

3292 4.150 47277 234.022 441 500E2Ti7EiO5 1.07E+05 4.400 42501 1109.355" ~~ ~52i~ ~532I 1751EiOS~7.iis+04 3834 4.150 47277 1234.022' 44l' ~ ~575l"2T09EiO5~ T59E+04 4.400 42501 1109.359 32l 608~5I0 lei 65 8.62E+04 1.46E+05 6.38E+04 I

44 { ~652 4377 4.150 47277 1234.022

_.2j 684 1.41 E+05 5.73E+04 1

4.400 42501 1109.359 3

4920 4.150 47277 1234.022 44j _ 729 1.95E+05 8.11 E+04 4.400 42501 1109.359_

32 760 1.36E+05 5.39E+04 5462 4.15_0_

47277 1234.022 44 804 1.88E+ 0_5 7.80E+04 4.400 42501 1109.359 32 836 1.31 E+05 5.19E+04 44 880 1.81 E+05 7.35E+04 t

6005 4.150 47277 1234.022

~32 912 1.26E+05 4.89E+04 4.400 42501 1109.359 6548 4.150 47277 1234.022 44 956 1.75E+05 7.08E+04 4.400 42501 1109.359 32 988 1.22E+05 4.71 E+04 i

1032 'I.69Ei65 6.76E+04 7090 4.150 47277 1234.022 44 4.400 42501 1109.359 32 1064 1.18E+05 4.50E+04 I

7633 4.150 47277 1234.022 44 1108 1.63E+05 6.52E+04 32 1140 1.14E+05l 4.34E+04 4.400 42501 1109.359

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44'

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8175 4.150~ '47517f1234.0iE^ ~

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~ '121' {I1'.16E+d5

~ii84 1'57E+D5 5.~29E+04 Eddd ' ~ ~ ~i550T15d~95559 6

'7.15E+04 8718 4.15If ^ ~477277[12[3i.022

_,44[ [126011J2E+05 6.07E+04

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4.400 42501 1109.359 32 1292 ' 1.06E+05 4.03E+04 9261 4.150 47277 1234.022 44 1336 1.47E+05 5.85E+04 4 I00 4250I~fi5359))32[j36{fl25iOS 3.89E+ 04 9804 4.150 47277 1234.022 441 1412 1.41 E+05 5.62E+04 4.400 42501 1109.359 35 [ ~1444 9 85E+04 3.73E+04 10347 4.150 47277 1234.022 19 ( _ 1463 5.87E+04 2.34E+04 Total Heat load for Fulfi'oolin storage rndi EiT'U/hr_

2185 67 1.95E+07 I

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Page 1

Sheet 1

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.jTable A2-2 j __J Maximum H.e_at Load 76 Feed B,atc.h_.

Bumup EFPD "Discfiarde~Totai ~

heat Load Heat Load Cooling Enrichme mwd /MTU Assemblie Discharge (BTU /Hr)

(BTU /Hr) 150 hrs.

4.150 1143 29.5 44~

44 4.73E+06 4.33E+06 4.400 978 25.24 32 76 3.26E+ 06 2.94E+06 120 7.95E+06 8.05E+06 4.150 23158J 597.72j.,_ _, _44 _ 152 5.72E+06 5.77E+06 4.400 20015 516.6

_32 p g

4.150 39263 1013.4

_20

_ 172_3.71 E+ 06 3.83E+06 4.400 37219 960.65 12 184 2.22E+06 2.28E+06 4.400 43596 1125.24 8

192 1.49E+06 1.54E+06 4.400 45115 1164.45 1

193 1.86E+05 1.93E+05 g

36 days 4.150 47277 1234.022 44 237 3.98E+06 3.96E+06 4.400 42501 1109.359 32' 259 2.88E+06 2.85E+06 579 4.150 47277 1234.022 44 313 5.49E+05 6.89E+05 4.400 42501 1109.359 32 345 3.88E+05 4.71E+05 1121 4.150 47277 1234.022 44 389 3.19E+05i 3.36E+05 4.400-42501 1109.359 32j~ ~~~ '421I2.2iE'+05T2.26E+05 4.150 4727 { _1234.022 44:

465l 2 58E+d5 1.98E+05

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1664_L 4.400j47277[ _1109.359j _ 32; 497; 1.80E+05,132E+05 42501!

1234.022j 44!

541 j 2.3_7E+C5[1._42E+05 2207L 4.150 4.400 425011 1109.359l 32-573i 1.65E+05j 9.45E+04

~d~f5 Q} T234 022I 32]

649d57s+05 8.02E+04 37577

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I 617 2.25E+05 T2TE+05 2749 4.156

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4.46d" 1109.359 3292 4.150 47277 1234.022 44 693 2.17E+05J 1.07E+05 4.400 42501 1109.359 32, 725 1.51E+05 7.11E+04 3834 4.150 47277 1234.d55

~iii~ ~

769 2.09E+05 9.59E+04 4.400 42501 1109.3591 32l 801i'1.46E+05 6.38E+04 4377 4.150 47277 1234.0221 441 845} 2'.65E+05" li 55s+04 4.400' 42501' IId5~559

]2)._ ]77i'1.45EiO5'~5T73E+04

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4920 4.150 47277 1234.022 441 921[1.95E+05 8.11E+04 4

4.400 42501 1109.3593 321 953 1.36E+05 5.39E+04 5462 4.150 47277 1234.0_22J 44 997 1.88E+05 7.80E+04 4.400 42501 1109.3591 32 1029 1.31 E+05 5.19E+04 6005 4.150 47277 1234.022 44 1073 1.81 E+ 05 7.35E+04 4.400 425011 1109.359 32 1105 1.26E+05 4.89E+04 1

~

6548 4356*

47577' 1234.025)[ [44 l))T493YE+ 05[TU8 E+ 04 4.400_ 42501 1109.359 { _.3_2. _1181_

1._22E+05[i.71E+04 7090 4.150 47277 1234.022 44 1225! 1.69E+05) 6.76E+04

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4.400I ~i~2501 1T09 359

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~ 32; ~ 7257IT18s'+05 4.50E+04 7633 p fiSO

[475 7{1'534[625][ ~

44!

1301i 1.63E+05[6.5fE+04

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( _4_.400[

42501l 11 9.359; 32; 1333j 1.14E+05 4.34E+04 0

8175(

4.150;

_4_7277 1234;022L

,44!

1377 ! 157E+05[6.29E+04

)

I 4.400!

42501 1109.359 32-1409[ 1.10E+05j 4.18E+04 8718l 4.150I 47277.

1234.022 44i 1453t 1.52E+05! 6?d7E+64

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'i 4.400 42501! 1109.359 10l 1463[311_E+6i* 1.26E+04 Tlisifmum NooiRe~at Lo'5T ]Btuhr[ I'I.2257UfT955 5

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Sheet 1

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l Table A2-3 l

Maximum Pool Temperatures 1 L _ _ _ i[_ _ _ _

ea!]emperature Heat Load Cooling _ Trains f1E+6 BTU /Hr)._

Operating [

_ f(degre_es FL__ _

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2pj. ((.2 i16[~~ ~ ~~ i 136i 20.8 1 i 42.2 2 -((]3_[~~ 7 42.2 1 4__180 ~~ ~~ Table A2-4 ~ l Pool Heat-up for Loss of Coolin.g Transient Summary bTiine to Heat-up Heat Load initial Temp. (*1E+6 BTU /HrL Assumed (F) Boiling Rate 20.8 120 11.94 ( F/hr) (Hrs)_... 7.70 20.8 140 _._ _. !. ~. _ 9.3 5_ 7.70 ) 1 1 Page 3 )

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