ML20198J552

Rev 1 to MC-6313, ECCS Valve Leakage to RWST Analysis

ML20198J552
Person / Time
Site:	South Texas
Issue date:	06/06/1995
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20198J547	List: ML20198J552 ML20198J558 ST-HL-AE-5774, Forwards Response to Request for Addl Info Re Doses from Potential Leakage of Sump Water Into Refueling Water Storage Tank.Calculations Encl
References
MC-6313, MC-6313-R01, MC-6313-R1, NUDOCS 9710210135
Download: ML20198J552 (25)

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BUILDING /ARENSYSTEMS: FHB/ALL/SI-CS UNIT: 1/L.,

SU8 JECT: ECCS VALVE LEAKAGE TO RWST ANALYSIS DISCIPUNE: _ MECHANICAL QUALITY CLASS: 2 i

i OBJECTIVE THE PURPOSE OF THIS REVISION IS TO VOID THE ABOVE CALCULATION. CALCULATION MC 645b REPLACES THIS CALCULATION. MC 64S8 USES UPDATED ASSUMPTIONS BASED ON Pt. ANT i

EMERGENCY OPERATING PROCEDURES AND ACCIDENT ANALYSIS ASSUMPTIONSTO DERIVE SOURCES, DELAY 11MES AND VOLUMES FOR LEAKAGE OF CONTAMINATED WATER TO THE RWST.

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REPLACES THIS CALCULATION. MC 6458 USES UPDATED ASSUMPTIONS BASED ON PLANT I

EMERGENCY OPERATING PROCEDURES AND ACCIDENT ANALYSIS ASSUMPTIONS TO DERIVE SOURCES, l

DELAY TIMES AND VOLUMES FOR LEAKAGE OF CONTAMINATED WATER TO THE RWST.

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• rts FCAC. C WATCA FA@ SuMA I 'D 0

i AEL = E. Borpt o F StbTto^shPC - EL L:.oc Lc Vci l b O f+) - O M.P.5 ft]

(AssueTm IZ) l

=

6. EL 1%5 f+

h De.TERMmc hw:,:exc110to on RCB somParbla:cSEC (See An^ou..u.- N I

PNlt IA= 26 Psic, a 4o. 7 PSI A (RcF 1)

H=(M Ps14)(IA6t /nd tsve= 260 4 %

(Ren)e a = c.3.a a b 2.ai yni e uos me l

H > DEL

~

Io3 Y / 19 1 $ ft Cont Al8 McM CA4 FcGC E. WA f 6 R lH'O Ru}sT l

_ _ _ _ _ l

l i

.stra 'U m MO NO. Mt -63L3 M1_ OF 24 -

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PREPARERlDATE

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ro PR6::tWC H

Pa.

• g

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( 2 A 6144/pp) i Pg

'7. 81 Fis, T 22,.5 PstA

=

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4. = 11,099 S t.C Tsomp = 218.7 :

4) CHECK PRC'00cc AND 511Mp Temp AT T-itp44stc.

(RE: 1)

As \\l099 Scc j.

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(WO: $)

% = 22 )LE PSIG ='? 7 62 Psts He h k

('9.TZ. Pst4)(?A e6 'IPst) h 10.89 ft N 4 A.E L I6 89 4A < I A.2.5 V AT -t = Il099 Se.c 'n t e Contmtu nstr Trass,txm 9as 4co0cco Enous H so warce cAn,xtr se-F*c+ceo 1%v4 THC St1MP TD T1E RWST W Commue?

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$EL To slR$

c (llp99 set)'

lue i

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l S) DE.Te.RtAttic. tHC OtGTE '(C SUMP u)AT EA WiLL TR AVet PAST BfC.StxitOM t.aNC isOLAT10H. VALVE.% IM 3.08 HR%

r I

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St.E F~s AURE i ON PA6C /9 -

l FR om

%'ALVG $2-ooo/

70 M ql $f-//0/, '

l du /h "h (RG THoW )

0a 15 26 su (Ref PCy I3) g

= a.oo % -

( reae 2, nm z)

[

(hS3W'KI.W Xy 5) l)')r<of.I"'f 4

v iss' d'

(REF 6) EG 3-2)

[4.901Ni dh wacne,:

(l515lto)*

ga(a,co

( 3,53y gog})(gy, i

Y : S.*9I Xg(i ' IVso l

w (s.m x,s'd)

5) D857ANOE i.

l L= kV l

=(llp99 sg)(371 xio-6'4) i L = 0.o41 (+

I AFTCR 3.0614 iNTO REClRCULATIOr4 M006 A LEAE ' PAS'T' j

(

VAINE SICOOl WOULO HAvE MCh/Go 04LY O.04 FT i

ToWAROS THE, RWST. THERE FORE 1715 Conctuoco THAr tao coATRt30ttos is Hi\\tt 1: Rom Tws PAwt Ar

' %Its LEAR RATE.

ANS 4

4

- - - + -

" - - - - ~ - - - ~ ' - ' ^

L D'

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CALCNO, Mc-6313 gg l+

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$UBJECT EuA s/Au/E LeevMGypgi): t/2 1 IDMT._-.

C.) DEt t.el-ti LIC WlE Tif45 ReQU AED roR LEAKAbe Pdsr THE VALVC. YCS-COOSC. To AEAuf 7bic RC rVRN HEA LEA.

PEA, ASSUM4TioNS 4 A MD AS 57tou)N OH D A DA C & 04l TWc 10 ; 1EAKA6C FROM THf5 vat VE WILL REACH W3C RVJST BEIoRC 1-EAWAAC FRoM ANY Oc 79E oTHER LEAV-PArps V'PsT Acn M.

D= 6"@

EF ME; SB) d= 6065" ReF 79) 13)

Lenk' R ATC = 7,o '91/N TM8t.c 7. /7Em 3) l} VELOCITY V =I6d/3 y%

(Rep 6,eQ 7 2)

183 3 ' N 0G5 h 4:l,74yio9%-

V= 8.%F10'" I'#ls [s 9 ve 8. M 7xio'-'R

& nmE Yo tench ReTveM HeAcce U

o,

L =.*o-2., = fo. I6 4 % lo,U+

_ g,o,g

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~

te f,1rp X/o's

=> 322.

HR =7 13 4. DAYS d

b

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$UtJECT EMS WttAe LeAWAAE Ugifs _ l/ L.

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TOT A L LECEME INTO RWST FAoM ALL 3 TietHS Tomt. Leenc,c' = (3 T3 Mis) X 580 "/uq lTliLAt N

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DETERMtHmlO9 oF LEAK'. RMC. THH.XhH Eccs VA vers t

VAU/C IfAK C.R \\TER.f 4 si"Z E u/gg(

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_ _ _ - _ _ _ _ _ _ _ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ~ - ' ~ ~ - - ^ -

^ ' ~

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AnocmisaT I

I MC.- 63 3 P623op 24 ng/@ed)

Paeswste (Ts Pd

=0.99940 50.,77700 0.c50w0

,,,, m.oo.2 m.,o, al.99980

• 210.99900 50.529700 EDCh-2 (IDCRTP) lll*

N 5 j8! $

Figure 6 Omtairumrt Pressure 224.99970 504305100 225.99970 50.258200 230.99970 50.184900 235.99970 50.082300 240.99970 49.99(800 245.99970 49.89450g 254.99970 49.752900 274.99970 49.417100 279.99970 49.411400 304.99970 494121000 329.99970 48.919700 354.99970 48.715500 379.99970 48.538400 404.99970 48.384300 429.99970 47.934500 454.99970 47.488900 479.99970 47.023700 509.99970 44.514700 409.99970 45.005400 709.99970 43.737400 A0s.e9970 42.masana 909.99960 41.504200 (ar1000$gC, m

1810.0000 40.879800 1130.0000 35.53J400 1210.0000 39.105800 1310.0000 38.947900 1410.0000 38.476700 1510.0000 38.398400 1530.0000 38.341900 1610.0000 38.114200 1710.0000 374825800 1810.0000 37.533300 1910.0000

.,37.241100 2025.0000 34.907500 2524.9990 35.802809 3024.9990 34.542500 3534.9990 33.509100 4024.9980 32.430600 4524.9970 30.492600 5024.9960 29.227600 5524.9950 28.205100 8024.9950 27.337900 6524.9940 26.521300 7024.9930 25.771400 7534.9910 25.070700 8034.9900 24.476300

_?

8524 9880 23.986900 9024.9860 23.578300 4

. 9524.9840 23.22A900

',_____-==

D.3

,t is.m== nan I state;ema sm _2mn ae P= 27 $

at 11899 980-

.. 21.997600..

,'V 12099.9801 3

y 21.774400.';

if T,* 't q

P 1 4" 4 13099.980,;d f;

. :21.392800

"' I O 9,., -

14099.980 *21.059400' X ',7,3"

,_ l/15099.900 i:

-l 20.774800 c, 2

1. )'[

it

.'18099.980 ? '

20.544900 W 17099.970 20.495400 118099.970 20.332900

'9P

's 19099.570 20.187400 t r20099.970 "

,19.95s400

~

4 4

L[:,c

m., ; y c.

2,g.ylMr ', D '-

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'mmeeeMue.a( 4

'llill:::

- -> ~ -2 4

210.99980 219.87700 h2 M 215.99970 220.39100 220.99970 229 8610d Figure 47 Oxitalrunerst Sump *Desparatur 224.99970 241123000 225.99970 221.31000 230.99970 221.76400 235.99970 222.18300 240.99970 332360000 245.99970 222.99100 254.99970 223.66500 274.99970 225.46300 279.99970 224.16000 304'99970 229.44900 329.99970 232.37000 354.99970 234.99700 379.99970 237.36800 404.99970 239.52100 429.99970 241.55900 454.99970 243.42600 479.99970 245.13000 509.99970 246.98500 609.99970 251.98400 709.99970 255.65900 ane.eeeva ssa.asman

- 6,tr 1000 909.99960 260.58300 18 1010.0000 2a2.22ano F

ep 1110.0000 243.63900 1210.0000 264.75900 1310.0C00 264.39500 1410.0000 263 88600 1510.0000 263,37900 1530.0000 263.27800 141040000 262.87400 1710.0000 262.37100 1810.0000 261.86800 1910.0000 261.36700 2025.0000 260.79200 2524.9990 254.31000 3024.9990 255.94100 3524.9990 253.630t6 4024.9980 251.39300 4524.9970 248.96500 5024.9960 246.39900 5524.9950 243.82300 6024.9950 241.31100 6524.9940 238.88500' 7024.9930 236.55400 7524.9910 234.30800 8024.9900 232.02700 853449880 229.68200 9024.9860 227.34700 9524.9840 225.03500

_ 10099.900_

222.43100 I

liett.ean 21m.zasuu j-Jhr llD99 11$99.980 216.25200 12099.980 214.34100 13099.980 210.73300 14099.900 207.38900 i

15099.980 204.28400 16099.980 201.30300 17099.970 198.15700 18099.970 195.38900 19099.970 192.81300 20099.970 190.51600

& +

e

ST-llL-AE-5774 South Texas Project Calculation MC-6458, "ECCS isolation Valve Leak Analysis"

' E \\WPd%1WRC -APM!$C.9h1M4 mpw 5M M418400

.