Text

Pressure Locking Summary & Evaluations Using Commonwealth Edison Methodology for Sqn
	ML20203B959
Person / Time
Site:	Sequoyah
Issue date:	09/18/1997
From:	Cetta W, Poole R; TENNESSEE VALLEY AUTHORITY
To:	;
Shared Package
ML20203B931	List: ML20203B926; ML20203B959; ML20203B973;
References
	NUDOCS 9712150194
	Download: ML20203B959 (38)
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{{#Wiki_filter:.. ATTACHMENT A f TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN) UNITS 1 AND 2 SUPPLEMENTAL RESPONSE TO GENERIC LETTER (GL) 95 PRESSURE \\ LOCKING AND THERMAL BINDING OF SAFETY-RELATED POWER OPERATED GATE VALVES PRESSURE LOCKING

SUMMARY

AND EVALUATIONS USING COMMONWEALTH EDISON METHODOLOGY FOR SON 9712150194 971201 PDR ADOCK 05000327 P PDR

recj summ:ry.xts SQN UNIT 1 cad 2

SUMMARY

OF P~ ESSURE LOCKING EYALUATIO*!S IN t.CCORD* NCE WITH Car aEd METHODOLOGY MOV Pu/ Pbon i Pd Comed MARGIN Manu/ Size Th Req (%) (lbs.) FWG METH000 LOGY - 141 016 4* Walw 110/1005/0 10.606 36 5 2-01 015 110/1005/0 11,113 32 2 142138 3* Vetan 50/120/17 3.464 3205 242138 50/120/17 3.464 320 5 143-01 12* Crane 20/450/0 37.255 31 243-01 20/450/0 33.222 10 4 143-06 4'ND 140/253/10 4.031 63 5 243-06 140/253/10 4 495 46 6 143-07 4* A/D 143/253/10 $$58. 18 5 243-07 140/253/10 3.587 63.7 143-156 4" Velan 25/2235/0 12,609 60.2 243156 25/2235/0 10,376 94.7 143-157 4" Velan 25/2235/0 12,704 59 2 63 157 25/2235/0 14.172 42.5 148 332 3" Vetan 300/2235/0 10.102 45 2 68-332 300/2235/0 10.342 24 148-333 3" Velan 300/2235/0 3,747 67.5 2 68 333 300/2735/0 8.906 43 9 er.pered er WF cena & 4447 Checud By RJ Poole @P N Pagei s

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f$$h% hp,, .~ 3 tr , J.} E & obey o's-. 16 - n 'NiitiiWtli$ MMY4 m;;m0 ~ d.#s%%Q *fj Qg k[k$'d hkd4 t$$$ p! pgfKQidg j@3Md$iki[gK.Myg 344g:fggQUKj$g . - - = - -- isud kf Sial Contilet FM&'SfJe StiendTwyttWinD WYsw,pg2:219E-07l @ I; hU$Mghl 1 lf y@M{@?5M[MI@ d ?"U2.551E47l VD.91.532E47lNN@dMf87}NI/IM NDiflectioR.dG#to seht.c6Msd Co(cersending (is@brep s' qYbw t {$5ff jfF$ P Mf!3L43E{Deflecb6(dueVH0b~cediressron (ismbflinD M.Ycompr W7-E302E47lKe -,#@dMy ci$~IDMde L d h~h! Q T 9 7j 22M fi iME$,6%5MJote D6fischoF00Tt6's&t coMacf FE(d(isiteinD W19Y* g ~;#- ?42.740E402 UN/MMMMSCi?IO MDO@AW M hFI" E U?MnMWM hi$WsMJ ESisB PrivbsiiVCakindisied 4%@Fo_lts.. ibr:sNbKdefMM6(lerifMibrEIM f6TeallSt) l @yAFM W..$ ?f $lfTi!@lfM& hFs U$41 Prepared by: WF Cetta /t W887 Checked by: RJ Poole $P *WM1

Unit 2. 2-62-138 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page- ~ WWMEMS@@iConiEdjPRESSURE%OCKING!CAECUllATION ' T ' % LME C # ,,ym.w;w-EVAL;VE,lO NO,42-FGV,62138_m.+n z&m : ce,u,.,mm e% ~a o: ny o - - - n,c.,., unu no nn -. - ~ n m3 %S O -&c. pafpmpq x r n: a < ~ a, _ Tm n 9 M _' OAMWMMD:m%enem"pw&pg q p! UNSEATING FORCES W M 1 dW MM1 ' - INRUT.. &p W:hW,$@FWCWWfrPiston Effect (!bf) %119 d M;" W 6 pBonnet Flmmn'((ps0j m;-'p*4Eg@t b" ressure d Pbonnet 120 m I 4ne G ::y;c.x',.~~ m m(nw/ertical Force: !bf) 4 m 78 <Y m.v a mmow a ww w ..,My c pJpstreaniPressure psi} M aPup 50 C ah O 5%xy%wn c 3 ~ g?Downstrearn Pressure (psd e nn n y w w w=m m m pn _na- ~nm a _ m g* d, Q piM_A,M.., O, Pu_llout. Force;(_Ibf),^,3,30_0 %e iIPdown 17 .g y m m ~ WVyt 0.75 $u Wm mW Pr6ssure Lodking Forc%(Ibf) r (225 W Dis ThicknMs 2idEf.@_F.j%TW,V MS, w.k.)nn$&m(in) M-s e ss + etm+n.&x wm-v(p).$NUa 1.281 MW9mmwr n msnmm% ~ EM 21 (Bissd-MSsat R us in Mr - w %,MJ 4t HubPadius,(iri) i eb 0.406 4c Ww sJe 1otal due to PLTB (I.b,f) N3;484 i @9d . q$whe%.M.g%4 gw$y m,gle.(deg) e# u w%m gtti'(Io). WC i-0.544 W W" TM4 Avail'able' Margin'(%) 4 p /Hu'6Lsn cs x semm_. ~ yv ~~ 4 D k320.5% V y: w sd, c%,Mg@,a@s.p;,Ek Ji MPoisson3 Ratio yfgphW SeatAn m heta 5 g, i P&WWW" m aiTNDr e mm v o g v r Mt M. &Q 4 g n agy a m,, n m bc % WMKt'GM hWv 0.3 ' S l M 3 a m M Total minus static Putiout(tbnh ep is4 l r1; wmcqu s a ecw, n:w w w wwn Wsh4W$pp;; %R Mode of. Elasticity (psi) W'O ' E 27.6E+6 w @m k 8 @n A nm n mq,,i : M2 . B. iy - 7 W y W m u :W* us-v c, 1 potei U. nit 2 Fpo. is. not,avsuable. Fpo is, based l

g, * '

!TT @- @ 5HM. M~ %)FM~, T@,rRStaticTuyout I orce (Ibf) % E Fpo. 3.300 e. y. m y Rg Pg m h-;M % w w~;M D 2 - ~ ~ w 4

yW% $q

- ~. ~ a a T J ?on Unit i greater CICSing thrust.1 t %.t d dN+A M ffM G 5p.^ _s VW4) gtp 7 M + r C% x w r vv m em m t < @;g~m 6.. r #; wm - W!Q 3 @NM#p% % MNn AMAg,.Open Valve factor bmN @ m!,i~ ' K4Y%d 4Qq gx.f,y$ M%M Mgr&R M4MVF. 0.4809 %m a, e %s s u mem % w. v.y e . :: m .ae-. >T.y .S, tem Diameterdin) i MDstem 1.125,5 d:% < iuA C.,,',. J& h:MA@%yMpM mdy /W, Actuator,O utput (Ibf) =mMAout 14.650 G Aout ts limited byyalve anowable,s.' W O *w a y n, M,, ^; i. .. p s, g ~ n.w ~ nm o ; u c >, ~ax:7 s qm d n e m: n nm :. d ab $)k ID *Y' PRESSURE EORCE CALCUl!ATIONS@m:n.:7. @{sw.i> *NME** C 7.o. (W~Wl.WJ, ,I,,, b,M,$ u$ '.D,i d;g.a_ o ,y h S AI 3h

6. %nme 4, %s,@m~d[;%, %@mm uQ$MThlJF fiMMM fOT M

1 sn n. x yy

h@ 'MdW@, M; dC,Y M

$wsag %m+n!y&ps:sk to, Seat; Coefficient of Frict$. :n tuMmu M; w,10.5001%wndy; - R,,95, i.. s &~ h n. ;o, n ' Fbte of !oadingl arid aging'degradatlon i c [n G t,e} s-. - m, J l ~. g u 2rRMAM D margin,2,0%y% respectively, weroy; nw;;: ww ~e-w =pm n-y ~sa A g 7-v.5 w:/ w e w pn yAverage:w,D&~fAcro,ss D:isksf{pst) A DP' w >v + .- :, w: s 86 WM_.g2 @n =nd s %gw.%gFpn - wn. m

n. m y

ave ~, g m$$d; e, mg.D% e, a 3 # ,.m. ~o -ea,- = .m tF WDisk Stiffrisss; Con, ant %n{ fin) i N-d Mconsid,ered,in. w ~ining't,he,. ma. rgin b, ass; #, t m.aN ,isk $tiffne,ss Const NPhWW _ WD i:31.066E+06 determ pg grw ~n n nn ._ z =-. r staht psi) - G:G W1.062Et07 QK,.,M. nA ~T, V, wA ~j

k. ~g i.n,,.

MM Wg V n 4 ; - y ' u Y + l4 . a Tr 477-[s'; ob1, 5m% Q S. % ? !, .]. Y % %. ' ,N,- d fQ,rQ ;r +QQ*TM r.i, ~Q EOM'ETRY1 CON TANTSNPM$hM# MMl :qmla;@.?qm"'vfW M*g:MM; M 2OUP M,zr.O.t - ~ l.g $M W %,o 1. %m.mmp.t W f? VP k '~Q3: QWy 2 % W. +

W Nt f.WQgt g?

. - a u m ;n.

nw~- .n ww ~ a ,+ - my r nn,. ~.., ~ n s. W;q yacW 0167 SDfEUW Report RD-466 predicted sn operi thrust reqrtirement EM$w?pHTMm W - W U' W +C2 WCtwo W F M@3 # N 9 % w e g m e@ M. & w$ $ $ k d$$MM 4 ip% ju . # - 5 y+m$ +%, n .c d t srm - + %s 4 nm u m nMM '&aeN C3 WRCthree y8 10.029 d of 3339 lbs: at thesefonditicos.3 um - a w -> deg -r-e pi Mdia$t kjNd I 5 MUQOU%?2 Q

M. M O 68

~ Ih$e n$MiP%@km sw~ phthNMQ ~Da up : ydi O 'N P., d,a w! 7M ' ' 2 _ gu~n6 i NN8Y YM N : >ne-IM gw kn u w spRENFMm@jbxMAVeWM MLthreo E M J+0.000 M a g g% x c ? p h u@ w n 4 w $+ & e d i F L3n d %:p w w w m ; h 'L9 @%},d: 9 N: 5,=WR :$, M3 v

Wedm wyw

~~ w~~ t Snyy WW p cy w ~ m & r _mc a 1 n m ; gm # j A,y 4 20.000 49 qw 1: wM gew ffq x Lnin% e;e %as+.006 $ww% MW::p r-:* gw~ ~ n%y, W q, h r a,- m .,s,d m e 0 a m 4 11 SLeleven L W g+e%g%uw+ww.4 m e#3 oM w M a. m @ w; w v 4 m 4L17 wa a,e mmm a 4 y, o m qwycxa + w. m: n < n w w m 0,144 73-ucg 4.1L* u @. a. . j.:P 2 ;p~m x>: meu seventeen 3 a . 7 -m % r 5 ^,., p y s ,y - ~ M{. -. C'h'

g 9 usthmse, %-deh:WiAb'%is' a'r t'l:ph"Q_, Jh},)n' hw' l w u, a su u wA,
u 4h}m

,' ni. ,Q Q%P %q q rfM , Njjn.WQ % lW Q.p W po. ^ / %s P. ^ ?% ,u 3

rj kr'n m"e,q['w o&

0~W.=..+ .j. Prepared by: W.F. Cetta ft TM Checked by: RJ Poole @P MW

Unrt 2,2-62-138 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Pa9e-MUMENTM1?W.NPNbiik b NtM E!=W WF693 'W 44W n ;T&wy:th-254; fps,a g4 pry; dip:2: :gj.. h h$ h6 kb h i ~ re ynggg e w i5g m gig gswa @ f{ig$ejaggg[fffgg{p{: pn h+ Cini. GCil MJy' M4*$De%ctMyJe 16 P$iGrt & Bevidlig tin) EFJSiYbq $34^[0.000 4~j h),hfsT -iWI%If5M$wp$a<4[g/7TE M* 7;Jgh*gtiefWelio(Agesjpfs~&~sMRStish)sewww 4% m i m os 6Lij %'",Ksa Urm 40A20. S. 9 fkwFNe ?iT M em ' NN'Sd!h ~(heEOM Mb4&g#$3yg MQW ~'ddust6lieti_stmtdir6p s F Pferce % f4:011Et02 NE M. NbMMI4) h E I35 bbf~5NE kid h h M,N)) h ih$ M-2ft h M i$I.b '. [phh$ s t My>ji}Ed iN}kMiFN$h / l $@tqgi@!9FTTP3MT6istniWetsrdus'tspi4isiIrefoices~(16) C^;;Yq r 70.000 $fMNk? ?l$$$9 ' %- I

y Q $ $ $ % $ 45 M T [h [ _, Y Rf(PfDDe*4c(bddus tc(Desf C6nisisTdfis&^ SFis/ Stidf (n%frinD N W ysw n?N2.219E-07

C ifi @ $2" RW#!$EjiceEsoddUe iss4sfcbhind t'oiEEa Bs6dW ts1Mi6f, U.@Ybw U E-2 551E-07 fBQ'iQ@h %jp[Dl{;g "irfh4T4;d p i' Q

j . @%h ((ES T9ff2WNSRW!DsEticiidas tiiHUb'cc77>i'eisioE(6T&M6D 7Ufcompr F {1:532E47 pj A Pf*MY WiiWSTc:sTDeflectibiidJs]d86st'Cohisct FsiM(h%fA6D W$r:YW ""-6202E'07 ~

..:# N...C. Sd W _&+h C'1 ~1-W N N W F h P. m N;

,ft@u..f,a,db%~ p;j@m,TiuhicE,e@iM,i!5. Tis'EiffalPissi6. tis,f/c_iiciiiatidDenetiori frb~m Pressute Forces l(s0 r %g4=Fs s';2.7_40EiO2 ls f c nfdit Fo. les'f6 D fW65 .r 9;c=.El p n, s ~<

a +

n wr c +- We M9 m ,o ' a:_ 7 We ~ W rr: i Prepared by: W.F. Cetta ik N847 Checked by: RJ Poole 2 4 9.n.*h

Unit 1,1-63-1 TVA SEQUOYAH NUCLEAR PLANT 9/98/97 Page % 6 hied!.R. RE.SSUREiEOCKIN_GICAEC.,U,LATIONMM@M.uh?F h w A g ky gMge n rC ~ u. + _ - -m NOB 1 C W" 4Mths own ANH9NWFWRMiWMAP a kns p , ' SEATING FORCESWMCdmd4MWR y y _a w - -c+ .w WS* pq w Ris, ton Effe.%(Ibf) S,%. 933. ' ;#c .c ..et 1sso net 450 ct y ,' A p.~u ~ A j e ci. s - g%... t ~ 0 a a 4SArVertical FM,te (Ibf) m; Git,M.r-6M P+ cup 20 t s w-- -4 .a v _-am' HIE .MM_ Pullout Force. (Ibf) e 636 <y mm g 9y q .m 1 ~ Locking For6ellbf) ressure S 0.086 q,., a q'.m m *m m m u m rt P 5%q ickness' in) gg ?6ji 0.86 : g u 6.9,54 6.268 i-in 7 n.. w + h? Tt n7To.tal.~du_e.to PLT..B (Ibf) 3737,255, d MM Tb. 3 i ~ \\ -n) e k @- y il 0.62 N K. MW ? Available Margin'(%) M, ~a3.1% b, n. I g in) h# gymn Q l

2. a}M theta 5 gan ewrwmwnn e arMwgm a n

t$ w

Wm 3,.

m - g' 4 N#v.ymTotal minus stat:c Pu!Iout (Ibf)f S28.619 l 4[',,

I Roesson '

Sg $n,v 0.3 . %y , psi) P-@ E 26.5E+6 s v.

a.. g g g g y g V y "~ g g 7 37 ]$56{ ]I N$

_bf) f F.3%po 8,636 N Note.g: FpoMb,ased on 5/2tW93.. test.D,i n.W6r ~,11out Eo~r ta i F. u ~ r n. w Qg.y.c m,fl? m -,n w g!P j g{Q.y{ gh*ig wh mactor ggyVf 0.5723 w b4 n w h" m b % & w v:N d.:t ATW4 ern Diameter (in) O Dstem 1.625 W ] haA M wq, ~s . g.ew mwduuator. m -(Ibf)dWAout 44.183 A Aout as based on tw coautated motor capseny"am,1s3 lbs.Q+ E of 44 w u _ q; ac;; n f gg a._ &> f ~ygg( y X 4 w,mQ,,. l c - ya s anu mmp p., yf Q yggl n g M.

y p%: g., h_

_. y; m we .v a v r~ 17 f_.- w,7y_-Mg e ~. NE,XT P. AGE,R.EGARDtNG RCE dy.uLA . i[j. M. y 3 ~ Pf6 .y. %.OQ3 M., ON ,m 9@M @$$p@,NWyWMf9N_ ir FP Disic.to oef_6cient ncbon gg",.mu tr*: WWO.600 I,. M 60M_

re. Wi W 4 wy 3%

pwym.m w + 4 m .Jdst d,si) MyDRave #g%p.~440 i I; .A g3' . Isl 6cMts6fl_ibftin) MfMW6 M5.1_;s44_Eyo6&. 7 # w y N %..) !?WMMM&Ma N. o me w% me m M D M.a 1 v~u E 3. ss. Constant (psi)i b_s. ?MG_ ~ ^1.019E+07 ~ N,' "3c # MNWa W< P = WMF5 +c? SF6 [TnOi6t! is Sp i ird de A a mc nu n. . two p qi6yp +:108 j. l- + Mreett M. y p w w w % Q M M 5 S g e ent &. i m p y.- m w v u l - i gy:.. r..C, ! I gn EC2 r MP j 'N q g y ow g,y.. : j ji pcs ~ ctuee w w$ 0836 s w w% W M W M W W M M y a + g:Ggh y. o.oje u n a g g h h ) Ch@k i g g g MQihyghrF pyg f d.' D8 r~ l . Q bl A"N A e D9 fMBWMTS OD yWsi ' Dru i i h Y %-lh,W $;k%00.294Qb66 a _g g ggg.- e$hl y%pqp k@hM4 d~ ( j *D i {,f n f,e s I ~ i i,.t. A k a w p mm p n;e [. g w e %e.} j 7 ( h ^ g ip g Dw;m-ng y;g pAele.v.en gg<y0.000 g I k I a Ahpt7 d, a, ' e ; - wem 0.002 b J }' n :y vq .g,I d sevehte.~dh pAFNO.066 $a 498 tr.$ti m;.:%. v

; % ;,t L}

4 3 pnn m a>w v %;+ . e-w# om,,,,,,,_ ,_w.,,,,.u - - _ m6,.6 a.m.mm,6d EMfhdDhMddd21SR Prepared by: WF Cetta & Ne-W Checked by: RJ Poole g S.n.cy;

Unit 1,1-63-1 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page MOMENTykhJ S%W%%M:f w: - Hwh Wtsyy > < ~ yleWy ;yvt, y ; ?( - , m z y _ x:4 w RHIMi$lliisJRAMMHiiRWMiBHid$g$;%)NEUA .V 1. / 5,WW r$HfGrrr-r"=ttv piad}s& m.,m[v uw!319E+03 MD 9We U sMrb 0 93 T NM c x ~v-sWV &x. M.. & n u a.Wse s 4 Ob im2:22iEt03 MP@f aWggg.igy;c@M w.~$w6 y w 1 .N.. s Tf msIT4Cg: .. :Q M [ N MMEMEME.Afk h$N @[w ;. Y ~$$ IhyDeneeridri dui(td P$k&e'a Be:idi6g (m) C M 1Ybq N WO;004 rNMNidNNbJ bt. d "7J04fle,tti6 " liiP:iss0dii& ShesStfess,WRi.K,sa 20 211 h rGYW,a,GO4), y&,$w ~Nd$.f; ?Q2[ni-npK'n%w n v Gk ~ a m n $n r.c - - = .My vnduw) 4 pIYsq RW *mm M%16 A-k D On @:Mdij NN ....g...g._-* ~dO6to H6b stretchlibf) $Pforce et41187Et04 5 f N $hh [ h h M [hj N;;Ys$Mcl hYh$$;Ok fp hhhh$$l.Mhkbjhif ikh h j$EMMk S~!3d9N."I9?O@kQ" MEsQ @ MW NE'449ETotal DefiddiosiftreTo PressGFe F6 rib ^rai) UMPYq W9Puc.005 highy$( @p).i((('d @d !!p$ $1EMP[,5 3 ~-NN@EM 45 @ % m ES16tiddd 1654sl C6ntict fWcF&'Shes? Stresf(Wibrmii "UWsw W-6.323E47 c W "D]L"1lDefiedidEM4:t6 SsarCEntisf Fo??E& BirW6drM1t%D WYb* PrW-9.157E46 kM,N, A.MTl E Si@fMk. iG,. N. $. N D s M 91WW4M 47M:fM DenectcWdsfi&Hid~C6mbreW6nTMsbffmD %Ycomo. r E;M1.629E4)8 .a +n m 9 N i. wM @. a A.& y : H. i.~lN,.I.UR. 1E S$45REVB!@.T6 tit oenection'due^ tiSEnt C6c!act' Fofce (m. 4tsD GMYw YD9.805E-OG BOCA $1[k WM ;5 # e AM ".NJO EA Y~ m.x 4 OgjD d~ $ Y"? n'. - YI W 3 4 a }%ded Dont$ci Fishs foFMich DefRffoQUEOst Pieilou~ VCaichEed IUFTR '?WM SMS s tse M $ @ @ 4R M M s@ benses:TtgMslJ.roic'e'shi) i 9 Fi 4 it967n40'4 1' ~ h N, ' WM w - NOTE-A valve stem weak link allowable value (36,690 lbs.) was calculated in Westinghouse Report V-EC-1126 at 0.70 x yield strength of the material. The Pressure Lock (PL) condition only occurs during a shutdown LOCA or loss of RHR cooling. In either of these cases, it is " desirable" to open this valve, but is not required. This is further discussed in the Feb. 13,1996 NRC submittal. Cor:sidering that this PL event is highly unlikely and the valve is only " desired

to open, going to 0.80 x yield strength would be acceptab!c (i.e. 41,931 lbs. a!!cwable thrust). When comparing this WL to a reduced motor capability, the limiting actuator output is the motor capability considering 10% ROL and 5% aging degradation.

Therefore, the motor capability is used as the basis for the available margin as shown above. I 1 l Prepared by: WF Cetta /t f&U Checked by: RJ Poole QW M3.eg

Unit 2, 2-63-1 TVA SEQUOYAH NUCLEAR Pl= ANT 9/18/97 Page EMSEMMWCMmEd@RESS.UREiliOCKINGjC~Al(CULATIONW Miv LMW, ~ l onnet Pressure OPbon, net 450 $o -[ w m.w w(psQ r4?ib Pup 20 Qvi 7% Mg3m% m. mPiston ENect (~Ibf) y m 933 1 j h W, -.cf.,.a1 V9h df C.

n. n my x ww t Mg1HWMWWertical Force Q~bf) v y

m. ~~y w. H W-c w 4. -.. $. .q. w. J rearri ressure(psi) 0:q9,466 $. r r

a c 4 f.4.,1 h.

n amm S.k.g n - oa MM_Ms Put:m w;(tbf) . q 603 0 n a a H M,.;;.&. tres ressure'(psi) A Pdown 0 @_3 T EI @s#4 Pressure Locking Force ~(ibf) iU20.086 W o_ut, Force 4 5... m -y mm r g:pMMnpe% ' Disk (Thickness (in) IMH41 0.86 e n i7

o%s www m.

LB t . It&m%G 94 Seat Radius (in: M a 6.268 Tm WWWm e mm1 -74MMW W e -n wn:, : ) W y. w t%.dd A > MRHub R.)dius in) w%n, u. 4 bb 3 % m,. im mrgT,otal due to PLT,B~~(ibf) V33,222 am mp pu . -n - n 4 n u W Hu' Le. w.-) T# d. 0.62 A,. W M. gW M, S Available Margiri (%) %MO.4% n-w,- i T piWF4 6 ngth (in . n ~m e q-Aa dM.c @mn%Mw. Sea. tn'.Angie (deg) .n,m ~ y c 4 @n md.hMTMiPhi M,s Ratio Md 1., t,het,a 5 NWm am? mun tr7 W"r%RM. Mh ~ f-hj .+. $,.-[WM A W9 Total minus Static Pulk>ut Hbf%978,60 l h i . 7v 0.3 9 y na m m r mn c ~ j; g J A Maq %.cd Modjof Elasticity,(psi) MMD E 26.5E+6 ~ aggggggypg]d O Q?ggQ ' - ( y WE. ". CwW. AsERKs W;phMOpen Valve Fact,or TPU WP. %NStatic P..ullout Force.(ibf) P B Fpo 4.603 .M NoteQpo is tesed on 9/5/9,4 test / af w -e V Q7 n m e.w ~,~ n ~_. M, u wmVF 0.5723 y m Qay; ~. m UiNGUW, ~ 4 *14 s. n? 4 M#.c n. nWr4 1 Xa. w a G4 mm. : s ? -l, Am A g?.: qv m ka, e,np nwgange+w g 'ow ~m m, a,a 4 2$. n Qs,.yw.s: n m, m,3 e :. u,, - n gg,1.m y -.. e W, -4 m i,. - pv M~.w, V cm,c.s 3 >s t a,. a x 4 &y . n .r %n n:31,wn%4WW+MG VMStem Diameter (in) D: ~Dstern 1.625 c g.. X ' W n '- n lM MS - c w % w h v.n n >u m uc mm+ ww s-w -- 4Aoutislimited $ varve etiowablesi W 6Mt? m@^ WEkm M TWFQe MEW UActuator. Output (Ibf) @m n+~Aout 36.690 v v:1.smm N gsw' - r;%,e w J 4 x - ma 3.;. 3v; M W sm w & C y m m e,g n &y q.g%y g y-;p. y 7 7e f g g q% p;J.; y ,-?[ ^W A 3 g 4, g g a ,1 1. p4 7 gr y/ on yp qWgvg v aog g h p+g+ . 3 V ui ' i.1 E ~p E,,?q{"p ;,y L d'W ' R &-4= i t a-PRESS RE FORCE:CALCULATIONSFWMDT y:x;; / /MP MWW ' <g sm o ; d.m _8. &p gz, ^ q:n v u + ' "7J / k 1MM Q a,:wrw& emumCo. efficient of Friction Mmmu m G~ 7.0.600 M EE j'2,9, V_ iI;I'i@; M~C W D. 4 ~~. y.. _-1 J DisKto Seat M KW e?,:!e:.: anymum a v. u m w www - ~- % q n win.d A. wverag,tDR!Across' Disks (m) @sDPa.ve ~ p @ n~r440 v iMRM pst N .97 hNa

i. m,

a w:b 7 %:% 0 4:7 Wg s w a n m,,, O i y,. w&rwem_Disgs_tiffne..stconslan.t.(Ibf*in)

+ o w nna m -

m man _D S s:4.544.E. w.GG a nw e n s.

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9/18/97 Page TVA SEQUOYAH NUCLEAR PLANT Unit 2,243-1 a T: ?+sr+mme dNf d516 . o g e E;. wing + - ARRIENTRCU2p wwrdwi:as*dwi.E;mp;rauma a n~c Tit, % M.,rb, F.-3 319.E+0.3. SOim~y % n wa, s :z, w w%y-m.: :%.iw:s 4 mC ivn w +* .-r y ~q-m.,:q, y m_ywp wfwnt $x%; p/ pe my.mtw)guka$w - g v = ill5Ed M S$sl$R$1 N M EB $iiRsBTB ? % $pfk((l$[il$ n y u. mg~ , x. igNT dB J ir#MQb MSi221E+03 j $mfilifMi fs jyN r._,_ 2 2?@2MPTDef4 '-VdK.to Pressirnr e sanoingw) @%WYbq wmE90.004 h Y:%3dgdi !dh% j h Y g ) memassma newtm mdsywam gNhW EiFTotal Ddflec66i[6dejsPrese(Ai Fohes On) <iM%Yq F # ?4.005_ g YN4%d}rsNMM Y@Qti h$ dMi $ffIifyM dp fy [4; 4 jitu$y. ,iPMCA".45;diffdS4 IFSeht C6htseTF6hT4 StsalsMe tint [tMnD W W Ysw Re>4323E-07 1 I h,s _ ri GD$M_$h, y)'y,sId3M.ffiily}p% Md$x$.3 .fr W m"XYbW W-9.157E@ h _ZZi' ~.35D6MEifd6 t(ssit c6ntstf F_sreia Bendd@Twv[RMnD r j?!yf 9

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Unit 1,1-63-6 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 <Page FSNferaMELE.i.#fFC6rH.Ed!RR. E.SS.UREil10,CKIN,.GICAligUDATIONMMMM@QMGM _ __ r c ~ ~ u if. g EA E a g ~*~ """"fQ EqpgiiTEMSW}IS,W dg hPI ! bMalMts,gn.dsidFErbf(Ib$.f. $44 i 10 c s M Y. nn mn ~ w

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Twt 0.625 uNRocking Force (Ibf) :. _ A38 M q gggh l yF d{ I a khgg((a a 2.142 pr36!7MisMman:WTmYMYMMg u I g%pgggwpTotaldueto,PgTB(Ibf)jy4,031. M SiffAh]deg)Q[$sMb 0.625 UhM M$ Available Margin (%)pM43.5% [ ih dE 0.3125 a e 4 h i m th5Is 5 WM tffrittr!! W W W E W M W P T W h l bN [ son N $th hkN h b _ M 3$hcK L ---- k M d Eia# idiy2$dh hEhN$ 27.6E+6 jf! pW WF Total mirQs Static Pullout (Ibf)l WN 1.687 k}p 0.3 I it gir.gipgggggggs@pgjjjgQ( .tLFAe mentst_ i g_ u gwnp yp gstatic ulicu,tFora.ellbf) y ?m :p-N.ote: Fpo injw u w/14t93 test y n,iff p WM 1 y 27 Fo 2.344 b,h; {y> Q!E.h~m {y esed on 5 w V8~N. actor D 3VF 0.617 a y D M bF O I I f '. p,5 w . n m ti r w: : M @ M; m m w a + Rj (; _ 4;%i M e

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Unit 1.1-634 TVA SEQUOYAH NUCLEAR PLANT '9/18/97 Page o . $Wh? Mf K_
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Unit 2. 2-6% TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page _ K{[WiMM pyntiRCJhn Edj RRESS U REiEO.C KIN GlC6EC U LATJ ON GTWMOMM iEg mw
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Unit 2,2-63-6 TVA SEQUOYAH NUCLEAR Pt. ANT 9/18/97 Page usvwt.rst_gssair*nWOWNJ5W. A4%Ww wm~a v - :sim:; _.
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Unit 1.1-63-7 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page q E. RM, ERC.6m-Ed!RR. ESSUREtO__C., KING;CA,EC_ UEATIO,NW. #:AFGL ,1 n . ~. ~ gggig}YMOS?hiV 1 ?Qigg y g g;p C wwwcOehCE5W metPJessuteJ_php J MP 253 - * %p Platon EEact r m 199: ;4 = t L~ + N Eb' P$115..ui .3 . [.. ? 0 $152nduit90g ] fTt 0.625 etsurelo~cidng.
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. if _._ .. y .t,, .m ..- g S.E s.N.. -. + c :P _. I l 3 e,_ a ..~ p ~_^'^Z __ =-;"'TO Pressista p.;;;.7, pn) Jiih%Ybq prIEO.000 3; M.V W g 'plT ( " }j{t_- - Q g. 73,m ,p. 4 9w s. m-m -- m .y g7 ~ isk. I ?% p ,M ,d N, 3 i g 1 %FMtM C;;L G?iMr 09~' 'l gh!IW p'~', 3 - .g. -. 5 - gsegg. 25!c,liiiNA.EY. : gg$t%F h, nann MisFEki$ Plotts Pt* 136E+04 dNM@[$,Q%yg[]f.h ; ~*y [1}}$[NhfNQJ %fL3-l __Zr ? -iWTotst_Densib'dsihiPsesswe Forcesllre hM1Yq ? ;UaT.O.000 g M_.,g+fy#; Y 4,%. 6, _ :'WM,,I M OM,. - ?. ^~ K '.'aue e,8eet c6fekf McWa sener sseen m=- ; 7&EY.sw +^ _1.0. 36_E-07_. m x ygy g . pp Q jpps 9 p y y d : Q D @i j > # W Q N @f ; g ? Q jg ^dife FSed C6iitki 84rt5_a_ Berwilig'(Wpter$ 9-WhYbw : ; "-5.285E-08 j W [ 4:)~ n pw/1tP1DeRecti6ti&d b Hutt C5 4_ J--,1WUtMnp TWwisp a; W3.206E-08 g ~ Arn{t@hgy@ ' If,,-s _ 9 :a [ W @: fy j yisyy - - Pjf?Totni c."2,4brdde My,dM c6.M rorte~p6tetrep Ty 4Y* ["; N1.885E-07 ~ f T ik 2 O pl H W ~ 4 *f:<t b ^ w R % a% ~wwwewmoessaayecu.tamcw $ww~s fi7.629E43 m=w M @5i@hWK#P3fDefMiSEMm F Msn M'(it/) ENF I 4 ' i Prepared by-W.F. Cetta Pt M Checked by: RJ Poole Do 47.3.S")
e r-Unit t1-63-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18!97 Page __ ~ g"Y@$MQWKC61m Ed!FjRES,S UREWOCKINGICA#CU.liATION ab 42WR% J;E y ! ; @ G WBE&iLVALVEmo MCVW157MMy&pfp&&V Yb W@QYgf *pf gf QMj$M [. Qy@ A. 3 y ( y y ;' L, l l w reLure] psi) -.P.b,onne.,t 2235 ?, r " E7 RN~Pston E.f.f.n((!bf) ect ibf) M, <L 3,,313 t Q - m : y w n ~ W (p' PVe.rtical Force. -11 4 126 n-om(gM,I). tCPup 25 ea ud6T ~e r p.=tiream
A-
~~- - m om m -1 ,m. ,i 5 n M Pdown 0 W >p m W W,~ o Pullout Force (!bf) Ce ' ' ~.n,62S a Mw ~ J f". E. DisicThickness (in) 95 yPyt 0.875 gj wM 9(Pressure Loclung Force (Ibf)~~
~~$270.-<~~
~~n u + __ p pd. w w(in)m p m, ., mNm w,r.Nw s9a 1.8413 Mst'IFM? mmwmve C * ' g, 4 M , Seat adius ,s t b 1.25, %:47CeJG-,p, # Total due to PLTB (Ibf) 7.;12,704 b. w ~$h U 3Hu.n uadius (in) TMN~u~~
~~f.. %. adP n~~
=a w id % tig v $ y Y< S.Heb Len~tti(iri) ky W L 0.668 # v ~ - <~ g WPWM Available Margin (%) - 4 59.0%yga- %j%? 1r^ gSeat Angle;(deg) kmwo atheta 5 m s sw v. ~ h@NM i WWTotal minus Static Pullout (ibff9 9,07 rXFawv m m ~ ~ ~3 "i7 n U " " e< &NM Y Nho~i s$rfs Ratio bN 0.3 &% od , ;myw %n$nf % c eL, % +!of Elasticity (psi) nNE 24.6E+6 > vw W W 'h w %.g m 4 Cry.W P+O.,F '? i ; 7 = '? a a-a a ; w +. a.c. x.: BX Static Pulioutforce Ubf) W R Fp6 5.626 4 % Mote: Fpo is booed on 411W97 test during U1C8. i bc Whrp@FFUMMi OkE ^iM~o'pifrNa.E_F,3ct,oi 3@#VF 0.4809 4 h__'4 % y. h SCOM@2 ; 4m ~U,M 4 ^ s U ' _t @SO w y o 1 p
~~f m%~~
~~4 4 ~ G GMbiJMW9 -WMStem Diameter-(i,n) MDstern 1.375 M. Uh. SM.4&9 yfAct3ator Output (lbf) ,v*~ M N W ;L <;W+; ..L. 4. R.~~
u*
~~~. ypm mg ;y vehe snomandes. x !y;w Q~~
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+m n ? -.; ; rp2s i,..%; ~ wm. f4 Aoutis umseed b - ) ^ Aout 20.200 p- - W . w.~ . ~ n-yW~.' I W s hN nt 4W* QQfg~pg&T4: WWMT&KMr RE' FORCE cal CUENi10N}S,ghM WMMUk ; "?WMWWWf%WWW6Actuatofrase of losang and ag ~ PRES ? 1 i,, M;M. p;y@,jy@ Disk to Seat.Coefficent offricton,' %..,OPave ??W--20.500 7 n q' ( b_ %rnu u m ynn mm a v.dsi) M ~ N+,eM, S M m,ergini,a.o%,an,d soe m m ~~, nn - m $nerag~e DP. Across Di.sks (. -y ospectivee, were W A g, ; 9.', + r ,# E k e %.,D,is c. n e u am a m-m m+n a. n n " d < ML D,lIS,tiffn.,ess,C.onstan,t(ibf, int e(%'iD. d 31,$06E,406 a. .~r .r. d,c,onsideres in n. M.. ~ ;n,arein te, K m, i ?. ~' .X M . 1. 1 ls sie m 4 -} tElk Stiffness. Constant (psnlTE
~~1 G~~
~~+ 29.442E+06 h:ub~hwde ij? 7 W M 4P upp nmm > n. uw, ; w 1 ra%un go gger#n W5C2 m tCtwo Anp0.046 dihedIndedNeiOstitsescombinagonotpressures~1-. s-M _pg a w"- garb wd w-is m e~ ma e ea m - m.. m + *.~~
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a J W 0.005 ~ MThe pther taas seh 140 peig upstroom pressure k a lesser case. ct N MC5 ACeight M,MvOI11 .m .4 a g. .j 5 (m{i [O. W, N MM; - m&: w _t %w, p. # a'.<; t,u E ?,;4,1 ' ' y sQ3M.~@aM((,E [. O@f, e J g w n m C9 MCnen.e ?~N - # 6.235 ? / W*(. q - n pQ ' ~ h s 4 l Acw - -m w m, 7 i i%d6 fee (i Mj h-@- - M M,U [. a #,m WMWhprha -. n. Wet sets 7 seersteiene cohn,rt open thru.st WC w* AF y c. n. 1Ln-n ~ p W. m.5 _ mML9 h L~nine. n w2 .~ -n~. .a. ., m w C r /2 0.000 M.Rw' '. - r. s U L g, .m v --- N w- ~a-8:.- w 3, m 3 + s5vLeleven M M 0. 000 h t=~n W i br! M eW>>G' M P,9 O W. .W< pWG % V 1,11 %. g 9%F,.?& }MM~ m j?ni17 .e% gf y z: n -n c-e .~.,: 'w. entien t U ' T0.042 NNTWu..,@pW, 5 g a %, m%, y dd .m g u 4 3 3MEiff6MiddETMMMM6%ESTdAWNd@Md5MMMedMdiMhMO4nkk bWI i Prepared by: WF Cetta /k M4 Checked by: RJ Poole CDP %'23M1
Unrt 1.1-63-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18/97-Page M: = a 3 r n ;4-. t e 2 w. ve.6oM ; C4 '. 4 (4: n7 m d iF;; ~
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~~d. J L;k' n.~~
~~AsGk@1 sj(jQT@a 2 1 s nf 6 'W "' ~ 1.276E+04 i c _ ? :* : - QPforceN:~11Rdol;Q Q.:- - %WiU y l 6Whl ..... A.. 4 4H-.iMR ' & %, y$j( x sh r d $ $ f. p-[ N.r@4 - o 9 . : '. _. g.9~~
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Unit 2. 2-63-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page_,_ @BWLWMSWE!MC6mEd!RRESS.UREIOCKIN.G$AEGUEATION? M XM A '? 3f;157siEWWWvMiWWM iWW E 4 &.L s
~~g.. c. M P ALVE D~NOfl2~~
~~.$.:.A L ; 9 %.; }&; f.,. 4-w &M4c WJ s. a w w o w n . q 1 %m m s .QQ.W. yc ll5... J. m,-~~
~~pUNSGATING FORCESm Vm M i i W 'GL~~
< ~ 1 e,.- ressure(psi) MPbonn,et 2235 d, m WW*D Piston Effect (Ibf) > V3.319 7 v .~.. ~~ O,e.' s ~ y@FPup 25 M. 9M, o cMVertical F,o. r.ce, (Ibf) ~ n m .a rm,r e {ptf). Mo s.126 ? iX- ? % ?4 3 s- . E &+- w-4 .n m n an ~ mara Prsn6fe(pti)diPdown 0 , Q y@e9, A.: &,. Pn ut Fo, rce (!bf),, 7,094 ts ullo y + e5mJ Pressure Locking Force (Ibf) '1 16,270 pil dt%_eSM )'E R I.Q tt 0.875 Jn 4 ED.:S 1.8413.i% WFtFMV umn mum Wein f [- i.h g o. n. nyng t 1 s g ] Ya %~ Hub Radius wnr .) dd. d. b 1.25 $s OEM 3 m+ Total due to PLTB (Ibf) g14,172 D! j - u.! u a - -~ - r 7 l a.
~~Hub tength (n) ~4 W L 0.668 M X C @n ~C?~M~Available Margin'(%) 3.,42.5%,X-i m~~
8 3 pu, c SedA%~Ie,'(de.g) c,e. n b ltheta 5. b,w w m r m e r e '. &.r w L ~ nn n . swyn n @m. ' v 0.3 Q+ :a pxr9: Teems minus semeic Punout Obr ( 4 3 7,078 [u g. e , Porsson's Ratio M fof Elasticityu w=am(pti), eME 24.6E+6 M,my m h. @hasheir $ lie"bleeIt sn 4Nds4 sesQ W . WRMggM;gypxp g12( RWN" w' a m :- e453 w lg tatic Pujlout I orce,(Ibf) W gFpo 7.094 $f$s $$$$$$$ 0]J d$ w h5ach W %lF 04609 '~ 3 ~ird66 k (b) $ tisiem. NdM. cMAMEN.EddI dI' 20.200 ys,Aoutis sienised by,firsewe ano.m em 9 , N ; M t 1.375 Mu awe nmw~
~~s. y, ut w~~
~~ww-rActdetor Output,(Ibf) e n < 9. w M, e. M Ao seases.me, >M cq 1 v ew ~m ym. ~v k bbfh5 fh E f. f. PRES $t RE FORCCCACCUt!ATION.WsT%:%u8wMMS Md a r L~~
~~a r=M3?;w&M Q N_ M n 1.?c.: F '. y~~
~~+t . e.,ficient of_ friction U. U1m.u ry _r n0.500 N Re,ts of e4.d.ia.s and solas 4 - ^~. t' 4. a. a. <:n ( ". ;. a.3. w m ; m;c are r.. ~ m-c. F' )py . W Disk, of - ;N '1-l~~
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m m m wlActost Di,skt (plii d_ _tD_ Pave E.. M,7M 5_ mergin,m'zoWahd s% mopeenver;^=oreWy iribases? 5 & 49. W,. U. Air '4 't ' + y 3.- m - ss' Constant _ c :- a. m. ~ ,m x mm i 1 lleedside oe.id.g-g c /.%the,mareMyF D:, i/: : n w,n(ibf*In') MSMD S M 1,.506Et~06 g Mfg h Q.; ~S R., ya c "W l 9 ~, n w @ rM. - 9 $. Constant'm(psi) NCG f n9A42Eio6 ~ ~ spr L .s a,d m.t n e1[1 E Lw. ~ - ~
~~+ ?, WC2 mCtwo M OS;0.046 b %es escret ceae comtieneson'ot pressum,.# ost _i-w~~
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~ mEwwwwf esee eeen.146 pois unseroem pwoure le e ionsec ease.; I%' g otC3 qCthree we o e ag % U -Q d @g'ht UEM YO M @ D } D W" R - n @w @W T M M M C O*W 4 i O U M~ ada M, & % eCC9 '%M Hue a c 44 Q~r gn t~ nu+ 4 C,nine ", 4: ;:0.235 u W W,a;,ug;mW: w>w' J i w W W,n% %w. R .;r y n' sinepo p yd p ( .'l . %w 3x ALthree ZWM 0.,000 gg, .2 4' we -m u.,. dl 4, V_ %~ m,st stiwee predictee an open'thrvet t-_J..,. ~ sp ,1 .m m -1 m u.m Q, 1 b*t.e %gan 0.0(2) 40197 ist.attheebi:enaisons.Hg ?e.Nu/ ' t.9 V"7 :. s 3 nine 3 =a ' C R L.sF N E Z W> ad P'* '.W 5C MQP p g@ b 2:- 42J0".0"00 M 7 m 'Lebe' "n-1 n [p } DEL se&OIen ~4
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Urut 2. 243-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page n-M p;yzz-L..w i.. ~% s,-;g:D &_ ~ I,. _- -HmqyW 559759:AT;WMn :26f a qwr:GEnEg?gt w g&, Ar cdp -43 b 4f:.. #1t.
~~14..;s t~~
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RJ
- g, _r .a c ,,u. g .b ..a 'su .I 's ([dh Bending M M !R:N!NMy ? 4Q qQ:s ;ij 6 >. a pg,,$g @M 7 -M ggfiUuttisA 4 ] Mse Ey 4 0,07 d M] $$pS5:bh[MW-SM ?Ab @?N ['. i 4 i:gure e tr.M. Or;r i *
~~rrvszY -~~
Mrm3 li@d6Nehe g/7;1.276E+04 3 eGe'idHutiSimictitibf) Pforc M'jjMd jd[N !I Ib ' S ' NY3 Mil-65 I lI[ ' Et - bin W d> i i d?MNN%Q 3 BrC@Tstaf 0eE*6dde i6 Pietsdre F6iices (in; tiiETYq 2%5910N $ Q 9 MIN ~ JMh ^ fMtdses~t Confact F6t6in's shda/StrMt?(Ir@bersD Ei w Ysw M1.036E-07 1 g. Mj A94 ie._.Q:.#
~~.u d Wm #,e R; 2 < T~~
~ -wz . w^ yw ;bW M D % 1.1.;:" N &..,, GfU i QQ~il;,W 2 Deut.q'ioWdud to Seat Co6tka FFee's Becdeg rest [ tend Ms ^r;Ybw s D5.285E-08 ~ r "" T3:206E-08 .QS?QR...ru Q r751.885E47(@jg%$hs:lLQ;lth hhdi%[IfA A i-R^'9RDewWduG t6Huti c& ;;.6;kiK 0nmtr+y %Yg.Omp i 3% Nr[n Nf? Total oh duFGIS&st contacf Fdde re PJir.nD FM 44Yw E iW.# W 'eMX W M ' wrmM v x r#3agno.n.anu6awner,.vem yr e A -( . M*iFWF% oJfEEfreWipi,A5ie Edees tite; i 3 PPEA F o-7.029E403 l ' N ?" iB:
~~1 1. '~~
d, i Prepared by: W.F. Cetta It HE 47 Checked by: RJ Poole @P SM T
Urut 1.1-68-332 .TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page $gMSGEEM$dCbhiEdl PRESSURE!LOCKINGiC4IICUUATION! M WJ 5%. ~ hhb bh ) ressure (psi) % Pbonn(t' 2235 O] Tiis ^ UasPiston Effect Obf) gi2,222 e i K t ] c.9 -f ..u s.c..- ( n
~~-g $gggg{~~
~~g g y g4ggg MM. b T874 Ww $v+... U T n~~
~~i. g.~~
~~m xx}%iiPusout Force (Ibf)E' T5: rw. .~,n- -m j5? T e - ~i(ptj DJdouM 0 $, + S Th bgMsPressdradoc@NiciC6f) 429 c5,021 Stucknessg) W FOt 0.75 b aft MMkh hbs 1.281 hbcd hdrWRTUNI INTEN9"E~~
~~t W~~
[ j p p : 4 Q[c - g g;f%g(in) p%$$ 0.406 t ) hgya Wmm : Total due to PLTB (Ibf) v iT10,102 ( I. E h. d<k( A M61M(ih) Mdyt 0.544,$ @DN@lAvailablEMargli(%) ~ 345.0% ~ i i .4... ] Wa(r %,q s-w <. uw ~~ m $y(u_ (deg) Mt,heta 5 M. e erps m va m varv: w v % };,;M$dI o Fx ea <e
~~2...~~
~ togJatio M@p m.. m p j g % h., $$E j p%gueW4M=vaoest minus Static Pu!!out %W - t 5. 0.3 i - fiElast6tyMi) n%ME 24.9E+6 Q'"MNT: Nylf mM W~..:.x'dajW HFN*& W k kw e, fWNDIfy M E Fpo 5.021 D,%4e: Fpo is tanced on.5/28,13 testO p? ' N 1 h 4fbfMMN$yStetic9uitoutForce~(!bf) MG E 1; kedMANeMcist E!MVF 0.4809 ki$Md@NNO'$MD@Flid N i ~ l ~ *h% O~
$tEYt Di$metEjidj iDstem 1.125 3YD NN}M:Wi

D Mau;1gy@$ $@M}i
~~. Ai:Md6@dbf) MXoUt 14.650 NAbutleinN=eMy1N anrk,_ mat h. h N $. < M,. ~ - m p @r a nvh; : ymp m a (: ' s,' ' %. m w m;w mm:yumam.p gsvm n mse'm.~~
~~NA[.~~
pq. Gpr&y ? ) ~ p V%gSGSM m c am -w4 4 nauws q..u m,1 m. su; a, NQ ' W - Wf m_r%A 94U.6 f{. A, x" 7 M&m, ds; - 0 PRESSU E.FORC3CALCULA yw;/ nma ~ =7 PNef62Disic., fficient.of Fnction frPrnu i+n c % 500 0%.R,at.e of16eding and aging 4-f _--g G. :i s b,n, >w' W +~ -a~+n m~ nna>+.v- ~ -m $nw e4g < F~A P.m+sDisks {dm.v)NDPave M " 92085 A. margin 320fand 5% respectivee,were - W:o n ','. ~ w Acros si r Jt g ~T@nm m i asx wms ~ r e-n a .m - ~~Ibf$,n) MemD y::wp9.620E=+05 n w ... wp . t.pMM_ $$m. m_ Constant ( hMD M p-
.% eon. eseems in 1.__, tre margin tiesis.gw

+ r e:
x w ~.577E+06 e xn ~M C, w.M L. aAW.d ~ u~~,s .e - n tant (psi) FWG +- Cons uw WmJM M nW ~ N M N a:@ ego N9 FC W y-p.: n e ' a q - w:,. r NIN ObM Th;SN Y.. K T i %,Nb ^ [ M ' - NfM NhdkhNb, fMkh@NNNkbb^heV M d& W WNW W W W M, M,wy I A b@w+S : _ GEOMffRY; CON $tANTSN '- - Ma4
~~.s%g m w 4m w-.~~
$o f h$w p.3 &:C.t,hree MDM 0 029, hgg:gg4 N4,i; Mag 7 [ pg f 3<. I YA%%29Mk ggy2 e g Ctgo yg4g.0.167 / W, yM, MMSsgrJ~CV M VELA. n MC N Report RD486 pred.icted an o. pen ttwus,t reWu Wet aus use. at trie'ee'condiisone.Q9N a,' W_remen gde w p,, n- ~ n~ .oc nn ~. y p %*w w&ww;p W N O M C8 = ACeight MMWO.696 E i 9 w- -r-s t w w#o &mg w'n C9 M'C'~nane SS yc~ W a~ : 1 Mamm ym p:~ ~ ~' +r-x x % a' ? s 0.287
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Unit 1.148-332 TVA SEQUOYAH NUCLEAR Pl ANT 9/18/97 Page -. _--w,m4 nrMIM*it'%K1 *
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~~$N' 3 WM ' M%t W N due to Hub Qf4rnte EM9.669E+03 E as a $ BEN i ,;4 m$v$. .m.m. _h A h$$m, Nk, m&_M& $Q N, N. * ._D 2'.0408YN W NY [ 7 e Hb l.~~
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,12 W M ;)?W di):@ @ byei:.N, f W pYsw N2.459E-07 m{T i>[kE[jiOMIgih[MEidd$Y C e NS ' W T Mooned $oridue f6l seat cohemat Fjn5s a sendeng fistbmnk PsMYtne G2.828E4)7 U ji[ N - M k f d N1.698E-0I NQ' E-Q 11; 1 4. - &e dO %3E-St.2%LudueTf6 Hub %,.. 05 NVIIbst@i MYCO 6W n"-6.965E 07 FUlv.Nt.x@% - di ! U. M. _, f_.f 'i,s j: 0 i,: a 5 G ws EP'*49TotalDeflecbo6' duo'to S et Contad Foicii(*.n/[lbMhb MMNcYw ag ,4 I, ; ';JP3#W< '?dd-Pb.W[,D' w M N *y m ' Y. q.@,yga 7.p. 4,2 a Cef,4di6i1fd.(qsal'P_iev40 sly'Chicule'td.' Seit Co.ntaciFonMGhWD n - d iTM XZ*f p u +n - 4 .cenecticen kom Presti*'s Fwces Obr) mM Fs t 6.605E+03 m:W ~ JJMtrOCV ? @. t -r : i Prepared by: WF Cetta #(148 7/ Checked bv: RJ Poole QJ p e),23.og
Uni:2. 2-68 332-{1) TVA SEQUOYAH NUCLEAR PLANT 9/18/97 - Page ?E9pMMiiNRC#mEd!RRESSUREIEOCK!NG;.CAECULATION! : TE o o A A I aK ( CS 2235"yW FUF.W 7 WW r Paton E. f.fe,ct(ib'),w~ g m P ure a m,ressn_(pt.) net d,ia,y@m e s _m 3wiPup MiMLM~. w. Pressurd l.. f % m.V.ertcal Force (1bf) f 2,459 ~,(psie 300 see note w.o w . me u e g..c F RM 'bPullout Fo,r,ce}l.b.f)
~~i > $,728 N Pdcwn _____0_.~~
.d e a4% ~r " - - x [ - @ f i S Press %ure Locnirgj Fom% 4e (!bf) "E 14,377 Q,. u p* ti 4C 0.70; -) pWa 1.4675 ~y,%n==g3 m " W SJM m Tm ' de 44 d P -c .y m e . Hu. ius yy ?b., 0.875 A. e '^ WM WTotal due to.P,LTB (!bf) " 210,342 g"hHud,, ~ ( )). m - = n ~ W~p-n M1 0.5 Y. E TMP ?Available Margin'(%) 6 f 24.0% u a ) m$.O theta' S LmeNWAw'rmm%': 2 rNo L ) m ym
~~s. R~~
,a. _.. Ratio, AMw 0.3 4Q.7MM N f C Tc4st minus Static Pullout Obnp LW 4.614 l ..m .vn s a%xvW :E 2e9E4 E _ __T 2M Ela T(psi) ?ye:%,;g W M N, O psi. n., ! ', r M3., m, m: C m__ 4 W 'Jcfuliout FMee (!bf) W !Epo 5,728 M Notet U2 Fpo le not availatde.'and is y,wt._."y based " - ...w> 3 _ .t s ? 5M f "Opdi0/dvWdefor 95jdVF 04809 k3 M diisNYoeNbelow'. $ ' $ Y N Y hiI %~! T $@er 2YNWN f 'm yY s NI. t $24 ' kN -..tN.m:iaf556_iE) hD,-stem S fif'^ M.% 1.125 t
~~n y ym~~
. ys,. .g4 WAbut 16.025 M.,A_ou,t.to e_ased am a.n,o ftan m.oeer, ram._ng'and, s,_E=o.oiss/ uator ~ bf) p (I 9 M. e m. fficient.of Frichon %. D mu WW 0,.5.00 ;h,.-2.m yAvessese mergen i n.eces an sedusones owus,t et 2s% d.ue. ~,. .w . E, ~ j ;.., Osk g,n. ~ c' /. - '. ; g" ;? e.Q Acrbss().c w(pb:i) MDPave v< a 1 4 2085 u;.y n -n t_e,% stocene s% a. couster esgre.sse. son'appmed,to the J W~ n.. e . - --. - - -. ~~, v u sks-t6...f i ' sf : 9 ~~~ m
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.e . $p ~m.. -hh y b h k ff hkp M g AifsensielijM i s i r 22.220 t.h.e.!es n,o, tem.M 4 _ e%, 'l W sV. t* C2 ; Ct,uvo.R M.,WO,.069 ,_ W y _enhee L .a 3. ,.. t , w,,_,w. A,._.i d,e.~ w *,. w ~ ~.,g-. m .c 47 '.. y. }. %.,yM- <4 -0. A,08 w = &. . s.. m g. +., - ((. < l h M, (
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Unit 2,2-68-332-(t) TVA SEQUC"C81 NUCLEAR PLANT 9/1&'97 Page,__ . ^ mW - %- ;V a % lMMMM TQb8MMllyfG ' ;PJTygg* f,. $5Isf0 M A rd <> 7.. _ *i s. Q. yt. $ - ;v 3 e qW mu s ftq 7 %d %p/ 1-e ' d a s :.
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=. =. t m:;-- - -. w. - o c. .,.J. ' ~. p.w,_ e 2, 2pm9.091.- h W s -a . 8in,. M.ar,i,$ ' ..... aim 1.2 4 4 J,Ystretch ^ M37 9 l g ,j g M ; C 4 9 J$1 y @ g g g yp;y f.j gn fpg QJ96tM DenicidiKbMENM92Wailln) E9 W Yq 5F40.000, hdoeM M C66cf F8Fligr4 Shesr stiessWritemp 3E7:Ysw s C1.356E-07lj %pFIf[ 4ft QM b[t(M;idj$@ f[ ! D9 ~', -~_ J;"tr[dueWWCO"-%CA %4 741tMe1) *7qrYbw W-1046E-07[4 dMj,' 4 1 $ M @d [f d f; ELL hA43 7A((N[ i g 4 ihl~gy@h%yp%g1[(QL-[{d y 3% k[C M9NW9ft?DemcsWduTBhub combMsbT&pbef*D NYeompt % A 3.849E-08 G
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.1 # ySUGWWih5.325E+03 MhTMi P S* DOM d. gJ:$) iTWd7FSMU fM oefis&ori frnipfiGLTeikobs'tibi) CB;OFs Mr6(fo/.6TctioeflecrJITEitui! Pr6&ATicM _% NGfW F k (bF#9Q(' E s J'~ & ~~ y Note : Fpo is based on the ratio of the Unit 2 to Unrt 1 closing thrust and the U1 Fpo which is 15334/13,440 x 5021= 5728 i 1 Prepared by: W.F. Cetta 5( 444 Checked by: RJ Poole @9 o).73.cf}
Unit 1.168-333 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page RQWMW4C4niE# RRESSU RE!!!O_CKI,Ng CAllCUllATION N: 4 :O q f d [.-- gE K72RWQVALVEID: NOM @4C%681333MMPWe W PR p%m, r 2'"de .. 3 2 d @ Q N g03MDRMQ Q M2,4 % g N dy M R : MQ J rTV a ? R* 9WTP W%,;PasMn Effect Ot,'_) _ i2,2_22) y ;<. c BonnetPressure (psi) T Pb,o,nn.e,t 2235 p# _* 1a, ; 4 3 < ; AVerbcal F.orce, (Ibf) " m 1,874 3.m ^ mm , m.g 3 @,w,. pnPep 300 %(-em. note.1 m re- . m e.u M ?m% 67 f P4Aout Forc5 R ?3,666 e ~ ,~ n, xn n. ,%,g (psi) yPdown 0 M gfi$D Pressure'L'obkibd I drd(tbf) F i b (Ibf) h 5.429 o moder4DiskThicknesshn) ppEc t 0.75 'i i y$ Y5 WAWYQr:=MWW
~~h. ~ n = n -( hhhYk kiY 1.281 m~~
f y - q xn 5cE4, MJ+ub Radius (in)E?, S M,,, o 42)6 M W, u qn W S 8,747 Ns M4d>r:.r, m.. Tot,al d.ue to,PL~T.B (ibf) .C c 1 .a ~ ~ y. j .dHub'Leng~th (in) # yaw ?L 344 u w a ~ ~~ ~ ~ M N Avaliable Margiri(%) O 167.5'/. h . ms em m n 49 v3.. ~i, theta 5 j , o.33%.,y NSeat Angle!.(d,eg) h w e:;mm m-c'M& r ~ e-- b);l --;%MM h~PoistoidfRatid mn, m ', M, ~ M, I f "5,081 ] 0.3 ]. m l mmW + Totas minus Static Put w 9 %$ %p,~ gxnp l w : . - r :.s n m s. Modrof Elasticitv (psi) M b EE 24.9E+6 ?gqgy q.;y pyvym;y-25 {l l KM+MMIjpTg3 U # Static Pulloutforce.(ib.f) % ~ Fpo-3,666 .M Note,:Fsio ns baised on st:2i.s3, n i N 4 P, it A n -a.> s-Ma $$gmg e ~ p,VF 0.4809 W M y/yy k@F Open Vage,Eactor {'~rDstern ~ g ]nQ 9 l m J* Q } 1 ' i~ h. t N, 554Y) W &} ~ L QT: - W ~ N 7 p ugeO l % Stern;Diarneter(in) 1.125 t 1 ? isMe.dby N.., u:w,atn.es[ E.u}$E 'N.- J M DINMN 5f6[~ UthE5}ist) NEM 14.650 ado J r. ? WQM(d$ ^ T 3% ; i 6 - 3 ~ n-PRESSURE FORCE C@ALCUI'ATIOM ; d*@n~M~ Wedd TL 4AM'y}77 M.% v MhWQMi%I SU_ y QTW NW p ' w r C y&M Mi.n ~gj 4 E gY
~~m m3 Sr% - e.500 MRate ofir r m w ~isks (p,li) n DPave S A M l2085 D ne 20% and s% respecovely, wer.) G.w,~~
' a F0 g"yynDiskto Seat Coeffic,ient of FrictionWrgmu W W. Lv -t w w m n ,, = - w itt e A f~r %s ~ w w p aN Across D a g ~.,, M,v rage..w n -~f*in) 29 . w< qu- ~ ~n- .a-4 g;H s Constant 0b ?!R&D S A9.620E+0S Weeneider d tnh,..a..:..itamargin basisT;DF ' 4 ) n . *y yNO. -. Stiffness Constant'(psi) a;;WRG % 9.5776t06 W F M...,J W_,,,_W 633 ? M. M % ~- n~ .~ src 2e w~ m =~ ,mv s. v.. S 9 MM ~4 .u N .w,jg 43, y 3 ag, ,4 3 73;J. gW O,167
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4ge "pa@@6 L gp W + - 7 0.144 L WJME S UZhkiMSI M M W M?ECTM M sd D M02ld % W M G 4sZ$l $e $g $;.f,W M i~5Y AN. S k b & S,A y.m @;. M:pm m C,..M/4 L_1_7 seventeen r s m sy n u3 Prepared by:WF Cetta A W8#I Checked by: RJ Poole @ D9 ~
Unit 1.148-333 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Pa9e 'L. W. T,Ymr f f's %;3v, gag.. 4 g,, -,[ _ - 7kSh,MfjNbMDk zM; fp: .~ %,,4_ Sly ~ ? (i ;[7', ; JTi~$ 3syg . i m ;tli312E+03- ,;[? f g[~ p.,dil5 % x ; & Q y j g g!. (y p;i g 9, 9 p *p g g % 3 9 iggh; me o c q.
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A.
. cpg MM Om $45N'M y d4 Y[I*)l:SN q'j_'; -j[-15\\ I. d' '-$ [ L } +. p, M k p $ :;.s N, ac%Ay - gg@g. T %ggic*;4.420 N b 4:;69g ppp % q. y g$7bs)@gg33133-}:: g t JY)hsMf. IIP 7D iu k 'l (8 y % PgPforce @y q.669E403 3 9 g '>fs g17 .95 5 ~ Kf1 g ;q. gn 9 g,y a Al Q.Q $ *I M 'IM/$f"
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M '," j l' M Nfi b $ h [N N N N$[$ ki p WWYm 'b~~.2359E-07' if5 r-WNat C6ntaH FdR4rs, hgs'M8 MMab $$N E Ie* D*5DiTEE 'N h-m23766irce%e'n~d@tgagg cw pggq z.g.m77w m..'~4 985 47 }- { { .m. r i t Prepared by: WF Cetta /t W847 Checked by: RJ Poole QSp 9 73 CG
Unst 2,2-68-333-{1) TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page U: M.S@bMM-' Comed!P,RESSU RE! LOCKING:CALCU LATION u ~ W~Qv 3.%qm sm b BNQUNSEATING FORCESS u m" G m i4- - p JMMM M mmn ~e
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p INP. i n -s = P .poe: Pressure'(psi) ~ Pbonnet 2235 & T Q-Psto. n Effe.c;(ib, f) U ;,- 2.,222 P- + 'F_ @s e?, A~ y Rg ,e mr oe Q a yefr s -s ~ . pstrea _ wasur#(psij4eepote'2.C y> Pup 300 Q 3 ; i.[%B,-1 h, Vertical Forc,e (ibt) O,2:459 yn nn w,,. m _.WF'D5ANttear: ~~PresstJe (psi) EPdown 0 K,. 1 6 A w_w w .~ P gj,p ; 4 uftcut F'orce,(Igf) E,292 4 gg 0.701 W d!P;; f Pressure Locking Force (lof) '4 s77 "d"E i hW ag% T.m;si0Thicknes_s (in) D M.,%^r5 t iBai . E m- ~ m N9 M Seat, Radius (in} a 1.4675 a:m, ae*-eu nn'vo '-- e @s38, a g n W M. 3p#.Rsdid~s~(in) 7= ~1 4~ -# 6 -- y - ' M d. C_..UMW o + ;To.tal due to PLTB (Ib. f) ,m 8.,906 b 0.875 a @s 4e - r s iub q,. - u e E :" _ ~ 1 Available Margin (%) i 43.9 % ..'n n + lengJ,t(in) ?, E L 0.5 y p M. e e P A. 1 t I he@& u~at(Angte"(dag)f 2 theta ~4;; W MA" K, ? Ss 5 W;m 'c re wrn "e swat m 4 mwv.
~~m. s -~~
~~y gWdbhW, @M Q > Mod of E!asticit/w(psi) WW % W%PoissertsRatio b + t iz : v 0.3,M@ nTotal minus Static Pui!out % '4.614 l 2 ~~~
3
%~' g*S, -. M Q:,,- W e wwww v f My*V 4 -ME 24.9E+6 2 ~ V 2 5 '.. J 77 H c r &~ ' g s'* q F n b Note': h2h lNot a_va,ilab$.Sd.. is. 'proport.onatdt[tiaked @e T W R M P @. " Wm4 aticPuBoutI orce (ibf) N Fpo 4.292 St 1 + so. W~u u @.M %md2 Open;VaWe Factor OMVE 0.4809 e 4 - - - ^ ' . M,,on U1M Note 1 below_ -. ~ ', s ! $., ^ @w -~wqv+ .p Stem Diameter % Ostern 1.125 -a m w~ -~ - mvnv- - w e[;. g : K M H. 3. c. -. ~ fin) rw pigrpPF n1 .:. ea. t V: a- ~. mW. n 7 C.
~~M i Actuatof Outp'ut1tbf) N N Acut 16.025~~
~~,,Aout is besed on '2so ft4b m, otor rating'and SF=0.01$6w~~
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~~,. ', + --~~
y. ,~ S,inu C. ".n. ~o.500 Mw Availab8eynargin renec.ts an additional thnsst of 25% due to '. E'"If - OMMM r~ci Disisto Seat Coefficient of Ericti,o,n e. - m.m ympe ew Across Disks (p+si) a+,OPave c~" m,2085, ';u'20% ROL and $% actuator degradation app!ied to the ' i- ~n m @v r .~ - w
~~o..~~
4 4 d ave eDP/ m. + W 7, m % w ~ 9 1 n _begmDiskshg m u, tant (ibMn) 2 1 'qw e a~ 6D E,57.855E+05 14 total PL thrust re. quire, ment. ' ~ 2 ' a u. m -- s .finess Cons +4 ; ; a 4 +wg -32 M<_ v c'< 'Wh Me. myk Stiffriess Constant (psi) n n u -u - s s-m. 5 9.5NE 06 A.s~WW WD;s 4' A1G W, 9J y' W: ec mw;g v,st ,J ,y 4; w3 e 3-m, m,:y m Awqmyap pO[r pm+ mu,cyn:ex~mry w m,M,,1 wm M_ wMVMMMa gg.- _,W 'l-M W q _&e - '4 121 - - em-a s ym e. m mz% GEOM RYiCONSTANTSdy
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-.. es n !s 'wdsk link allowable of 2,2.820 lbs.ls not the J:- % : M t VWtm C2 3 "M Ctwo F: M 0.069 WCEdepa? g%p,w;Tg4 WP~M ei eA w q-s @a v w p=,tC"three Q,, &..0008 M,. iimJti.ng factor for actua. tor c.apabi,lity wtwn cons,idering L 4 a ~e a-aw ~& ee.. .a, ..m~ ,yu m qw.. Mg 3=Q %C3,- + p T @e r@g$$g$.nlN M,; w g. p, .n 3a MeyQs N f $n m a n @eM C86..Ceight ip 40 774 @y.{RDCasd aging factors on the acL,hr.? wm .,, I [n. y jww s?h,Q we., n. v.+mC.,9.m<. - Cn',,,ne a y ~ .~ s 0.2 M_ v. :2.
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~~p,fLNn'($5h00 g' ' m,El.AN. Re.Mrt RDNpddicted an 6.~~
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Unit 2,2-68-333-(1) TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Fage i$h%w%p' C m._~_______ a % 5P M ?,. _., D S W.--P:+ n m1 W ^i3 % W ~= Y ?8:=n; - Ni:; w: s.a uma ~w;3 '. Q. ~2; .g ,.i.u: rD 1 rA 725E+02 P ym re wDe Mr. f :n ji.s. .g.c-j Jyf6 % raj Q. g,,. _. m.:m _'. j c. ' ,c. gg T: ': .ie Q f tig s g 3m g;., y '$+ k y* e t. s. m: e,yU, y R- ,. -- wN.y/. ; Ju: I l c3. f. V 3 "5 .f[ [h!0 g* 'r. PQ s .l 5 ' 84 l_b h N Q4)f kW. l @f } l ? j lMI %C#N9l H' M Mwe+MO f d ' 1 f. WS' _ _-- Pnamisas_&.SenpHgW
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J j %.j3 g 4,d ai ^j .5 e.; y 4 y L 4m .,.s. kgM M _a FIN A Mjhghp,qg(; N-c;%sp$%ij[is'if$gC ME ~.= 7 g J&MJido(Ef%sunir.ches w (h41Xq Tf;.g,0.00Gl __f_ W-180eWSdatC,,.^t.kAMsh6FsHe(ps%:.;~4 U RAYsw Ei N1:356E-07[ M 4#EMNdi NI@M ybMfitJMdsW 2- ^ Deedturisuetisee!NE-t =hfA&Wd#@i"-.?; 4$Mgbw t%1.046E-071 __ _._,mfisDeMerdintutt5"Rubh% Jos(WilbeMD tsYcurGr F"3.849E-08l ; 639sTofaf DenechoWdueVS4af CERS:t Foi6er(Wmfi 12BRYw W92.787E'07)Q [f}yh_ M-kfd[hh!hNb d, m _ mwm WNgaetyyS&;1 VIM i! '<Wni+AH 7% emwwo.aams owsme==nrg1b"m P S.325E463 Rif h e! We S " Ni:'91 JflyNMPfi?Wy6snE5EG hieiEF4 FNEei~0bh s Fs Note :1.) Fpo is based on the ratio of the Unit 2 to Unit 1 closing thrust and the U1 Fpo whrh is 15.832/13.522 x 3666= 4292 A Prepared by: W.F. Cetta Sc 9 #-f7 Checked by: RJ Poole 0 0 % 23- %}}

ML20203B959

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