ML20203B959

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Pressure Locking Summary & Evaluations Using Commonwealth Edison Methodology for Sqn
ML20203B959
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 09/18/1997
From: Cetta W, Poole R
TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20203B931 List:
References
NUDOCS 9712150194
Download: ML20203B959 (38)


Text

{{#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

1. 9/28/97 Page_,__ , + Unit 1.1-1-16

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Unit 2. 2-62-138 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page- .

                                                                                                                                                                                                                                                                                                                      ~

WWMEMS@@iConiEdjPRESSURE%OCKING!CAECUllATION ' T ' % LME C #

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unu no nn - . - ~

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n m3  : INRUT . . &p M _' OAMWMMD:m%enem"pw&pg d M;" W p! r 6 UNSEATING FORCES W M 1 dW MM1 ' -

                                                                                                                                                                                                                                            < ~ a, m;-'p*4Eg@t                                                      m                                    ressure              d Pbonnet                        W:hW,$@FWCWWfrPiston 120                                                                      Effect (!bf) %119 :

c

                                       ..<.,My 3        b"                    mmow pBonnet                Flmmn'((ps0j  a       ww w                                              ,

I 4ne G  ::y;c.x m.v a ah O n - pJpstreaniPressure psi} M aPup 50 e C ',.~~ m m(nw/ertical 4 m Force: 78 !bf) <Y n a _ m g* d,y ~ g?Downstrearn

                                                         %e w w w=m                  m m Pressure (psd pn iIPdown                                    17    5%xy%wn n

Q piM_A,M.. , O, cPu_llout. Force;(_Ibf) ,^_na-

                                                                                                                                                                                                                                                ~nm m                         .g,3,30_0 y    r W
                                                                                                                                                                                                                               .          m       ..

Dis ThicknMs 0.75 $u Wm mW Pr6ssure Lodking Forc%(Ibf) (225 M- ss + ~ WVyt s e

                                                             ~ EM 21MS,MSsat                 w .k.)nn$&m(in) 2idEf.@_F.j%TW,V (Bissd-                                                                                                 R us in .$NUa                                             1.281      MW9mmwr n msnmm%

Mr -  % ,MJ etm+n .&x HubPadius,(iri) wm-v(p) i%. eb - w 4c Ww i cs x sJe 1otal . due to PLTB ~(I.b,f) yv

                                                        !                4t u                                                                                       0.406                              semm_

N3;484

%                                      4 p           e#

w%m gtti'(Io). m

                                                                                                                                                                                                                                                 --%                                           ~~

W W" TM4 Avail'able' Margin'(%) k320.5% V 4 WC i-g D w@9d y: /Hu'6Lsn 0.544 M. &Q sd , n4 agy g c%,Mg@,a@s.p;,Ek

                                       . q$whe%.M.g%4 gw$y m,gle.(deg) yfgphW            a           Ji mm v o SeatAn m ,,

MPoisson3 Mt n heta m Ratio 5 v g, i P&WWW" m aiTNDr e r bc % WMKt'GM wmcqu s a ecw, n:w w w wwn hWv 0.3 w' S l M 3 a m M Total minus static Putiout(tbnh ep is4 l r1; @m M2 k Wsh4W$pp;; %R 8 Mode of. Elasticity (psi) W'O ' E 27.6E+6 c,@n A nm n vmq, ,i : . B. iy - 7 W us- y W m u :W* 3.300 !TT @- @ 5HM. - ~ . a VW4)M~ %)FM~ e. gtp , T@,rRStaticTuyout

                                                                                    '   y.          - ~ ~

ffM I orce% G w E Fpo. (Ibf) 5p .^ _s 1~ potei U. nit 2 Fpo. is. not,avsuable.

                                                                                                                                                                                                                         -          a 4 7 Fpo -is,            - based l
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                                                                                 +

r M vv K4Y%d m m M%M y Rg Mgr&R Pg m h-;M %m w w~;M D 2t em 0.4809 T C%

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                                                                                                                                                                                       ?on Unit6.             i greater
                                                                                                                                                                                                                    .@r #;           wm   CICSing thrust.1 t % .t d 3dN+A
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mem 4Qq gx.f,y$  % w. v.y e #M4MVF. - m bmN m!,i~ ' .-:% . @NM#p% % MNn AMAg,.Open Valve factor J& h:MA@%yMpM mdy qm >T.y i .S,gtem

                                                              /W, Actuator,O utput (Ibf) =mMAout   ~   Diameterdin) n.w   ~

MDstem nm 1.125 ,5 o ; u cd:% > , ~ax:7< iuA s C., ,' ,. %m a ,ae-. e %s. . sp%u s,

                                       %             d                                                                                                          14.650 G Aout ts limited byyalve anowable,s.' W O *w a y n , M, , ^; i.

n e m: n nm :3h. d ,yab $)k h S . . > ID *Y' fiMMM fOTuQ$MThlJF M AI

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PRESSURE EORCE CALCUl!ATIONS@m:n.:7. #h@ 'MdW@, M; dC,Y M @{sw.i> *NME** C 7.o.,I,,, n. b,M,$ (W~Wl.WJ, u$ '.D,i d;g .a_ n ' . s- . - m , ~. 2rRMAM D ww ~e-w =pm tuMmu n- ave y M; w,10.5001%wndy; - R, ,95 , i . . s &~ h n. ;o ,

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i c l [n G t,e}s $wsag g w%gw.%gFpn %m+n!y&ps:sk pn - to,wn. yAverage:w,D&~fAcro,ss Seat; m Coefficient

n. mD:isksf{pst) y A DP' of Frict$.
                                                                                                                                   -     w Ae,ga 7-           :n v.586 w:/margin,2,0%y%

3 # w, e .m. ~o

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pg W1.062Et07 QK,.,M. nA ~T, V, wA ~j k. ~g w ~ining't,he,. ma.

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d EOM'ETRY1 ;r +QQ*TMCON

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                                                                                                                                                                                                                                                       $M s.W %,o               -

ip% EM$w?pHTMm ju umW - W U' W +C2 - WCtwo a w ->  :- SDfEUW Report RD-466 predicted sn operi thrust reqrtirement W;q yacW 0167 srm - + %s 4 nm u 4 n .c d t deg m nMM '&aeN C3 WRCthree y8 10.029 d of 3339 lbs: at thesefonditicos.3 -r-e Q. # - *5 y+m$ M. M +% , W F M@3 # N 9 % w e g m e@ M. & w$ $ $ k d$$MM Ih$e gw n$MiP%@km &% pi sw~ phthNMQ kn Mdia$t kjNd IO 685 gu~n6IM i w NN8Y ~Da - - MUQOU%?2 YM up N: ydi

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                                                                                                                                                                                                ' WS*      SEATING                         FORCESWMCdmd4MWR ct S,%. 933. ' ;#c
                                                                                                                                                                                                                                                                                      .w
                                                           .c                                                                              a                                             ,
                                                                                                                                                                                                              ,'   Apqp.~u  w Ris, ton Effe.%(Ibf)
                                                                                                                                                                                                                                            ~               -           A j

e ci . s - m; Git ,M.r-6M g%. . . 20 '; 4SArVertical FM,te P+ cup -4 (Ibf)

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                                                                                                                                                                                                                                                                                      <y

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                                                                                                                                                                                                                       .MM_ Pullout    mm g  Force.      (Ibf) -

e 9y 636 q ickness' in) 0.86 : - g u .m 1 ~ Locking For6ellbf) S 0.086 q,., ressure gg ?6ji in 6.9,54 6.268 i- a q'.m m *m m m u m rt P 5%q

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n.. 3737,255, d

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e

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                                                                                   \                                                                                                                                             -                                              -

N g I in) h# 0.62 K. MW ? Available Margin'(%) M, ~a3.1% b, Q - n t$;I l wm . 2.- g'a}M theta

                                                                                                                                   #Wm 5 gan ewrwmwnn e arMwgm a 3,.                                                                                                 <

Roesson ' Sg

a. . $n,v 0.3 4 N#v.ymTotal minus stat:c Pu!Iout (Ibf)f S28.619 l 4[',,
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                                                                                                                       , psi)      P-@ E g

26.5E+6 s g g g y g V y "~ g g 7 37 ]$56{ ]I N$ ta u i F. 8,636

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                                                                                                                                                                                                                                                                                            ~

N n.Note.g: FpoMb,ased on 5/2tW93.. mtest.D,i n .W6r -,n w wh mactor ggyVf 0.5723 g!P j g{Q.y{ Qg.y gh*ig .c m,fl? W ~s

                                                     ]

ern Diameter (in) g.ew . O Dstem 1.625 w ATW4b4 n w h" m bhaA% & w v:N d .:tMof 44 wq, E mwduuator. m -(Ibf) dWAout 44.183 AwAout as based _ q; ac;; n u - on yatw coautatedsp., motor anucapseny"am,1s3 lbs.Q+ _ . y; m we r~ 17 mmp n g

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                                                                                                                                                           + WWO.600 I, .

ir-FP 4 Disic.to m oef_6cient w ncbon gg",.mu

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                                                                                                                                                        #g%p.~440 I;
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                                                       . Isl                    6cMts6fl_ibftin) me ss. Constant (psi)i b_s. ?MG_ ~ ^1.019E+07 MfMW6 w%                M5.1_;s44_Eyo6
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  • 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

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                                                                                                                                      ~ h N , ' WM w -

W 3 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 $ j h W, - .cf., .a1 V9 onnet Pressure OPbon, net 450 $o 7% Mg3m% m. mPiston ~~y ENect (~Ibf) y m 933 1 h dfw.C.J -[rearri w mressure(psi)

                                                                                              .w w(psQ  v          y                                                              m .                                                         w.

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                                                            .q.
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h. n. n my x a n 0:q9,466
                                                                                                                                                                                                                                              . q   603 n              a c 4 f.4.,1
                    #     ;a                                  H M, .;;.&.         tres       ressure'(psi) A Pdown                                           0          S.k.g  m   n - oa MM_Ms                   Put:m o_ut,     w;(tbf)

Force 5...4 0

                                                                                                                                                                                                     -y                     mm                            r g:pMMnpe%                ' Disk www(Thickness m . (in)         IMH41  %

0.86 @_3 e T EI @s#4 Pressure Locking Force ~(ibf) iU20.086 W n i7 LB t 4 It&m%G W -n 94 Seat wn:, Radius:(in: )M :o%s y. a 6.268 Tm w WWWm e mm1 -74MMW We am  : t% .dd mp pu A > MRHubn-w,- R.)dius in) w%n ,bb u. 3 % m, . im mrgT,otal due

                                                                                                                                                                                                         . -nto- PLT,B~~(ibf)          -

V33,222 n 4 n u i T piWF4 6 ngth (in T# d. 0.62 A,. W M. gW M, S Available Margiri (%) %MO.4% q-y " Aa W Hu' .n,m Le. w .-) . n ~m

                                                                                                          ~                     .

e - c dM.c Mh 5 NWm am? mun tr7 W"r%RM.

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                    ~

i 4f- md.hMTMiPhi hj M,s Ratio

                                                                                                      .+ .

Md 1.,

                                                                                                                        . 7v t,het,a 0.3 $,.-[WM A W9 Total minus Static Pulk>ut Hbf%978,60 l h y na m m r                            mn c ~

j; g J A9Maq %.cd Modjof Elasticity,(psi) MMD E

                                                                                                                                                                                                                                                                       ~

( y 26.5E+6 y TPU n WP. %NStatic m m P..ullout Force.(ibf) P B Fpo e.w ~,~ n ~_ . aggggggypg]d O Q?ggQ 4.603 .M NoteQpo is~tesed

                                                                                                                                                                                               . m on 9/5/9,4      w test /-e      af                   V Q7       '-

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n. .

WE. CwW. AsERKs W;phMOpen Valve m, a,aFact,or Am A M, u wmVF 0.5723 n? 4 M#.c 1 Xa. nWr4 w a UiNGUW, n mm. : s~?4-l, m x , m ,3 e :. pv g?.: qv m ka, e,np nwgange+w .rg 'ow ~m a - n gg,1.m y - .. 3 >s t a,. u,, 4 2$ lM c

                                      . n Qs,.yw          4 .s: &y           . n                                               >

g.. enW, -4 m n

                                                                                                                                                                                                                                                 >u i ,. n   -
                   %n n:31,wn%4WW+MG                                    VMStem         Diameter               D: ~Dstern                               1.625     M~.w   MS, V cm,c .s                 X ' W m uc             mm+      ww s-          w -- (in)                                                             - c w % w h v.n                                 ,

WEkm M TWFQe MEW UActuator. Output (Ibf) @m n+~Aout 36.690 4Aoutislimited $ varve etiowablesi W 6Mt? m@^ ypW qWgvg sm wv &aog C yg mh m p+g+ f g g q% p;J.; yv ,-?[ v:1.smm 3 gN 4, ggsw'g a - r;%,e 1.w p4J 47 xgr- ma V ui ' 3.; i.1 . 3v; y/ on E ~p : M e,g n &y R q.g%y. g3 y-;p. y:x;; y/ 7 7e&-4= i^WtAa-

                                                                                                                                                                                                         -        ,1 u         +                 q:n        v     *       -

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                    +           .

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                                                                                                  <;{ .psi) MWG P1~1.019E+07 N ante orsoneing.no m;       Aa S. - .pF(vhmC&w v s ing dear.dation?v m
                                                                                                                                                                                                                                                        .wp-z!_ e: a_q
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                                                                                                                                                             ~

mMWNN M Cf.wap - m. l'as, MI way M@t, O e d Mi^ q:dyL N c n . f 140.000 P.n W m W, ,<..: m.,w Y -u ? :,C ne~ W G W. w mggm.

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                                                             ~.

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M*rhGhh M*W W U hDO N, ,M 4 Prepared by: W.F. Cetta FcMI Checked by: RJ Poo!e @ p e).n.ap

9/18/97 Page Unit 2,243-1 TVA SEQUOYAH NUCLEAR PLANT ,

                                                                                                                                                  . o g e E; . wing + -

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o~

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                                                                                                 ~cd.1.~967E+04 W                                ; t@
              ; .              wr;nmm bwamma g-          -                   ~

f+#ca Deflection fr~om Pressure F~orcessibf)

                                                                                     ~NtFs      b0                                                                s I

i i 1 1 l I t l Prepared by: W.F. Cetta N. HB41 } l l Checked by: RJ Poole gpop3.eq i f 1 l l I L - _ _ _ _ -

Unit 1,1-63-6 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 <Page . FSNferaMELE.i.#fFC6rH.Ed!RR. _ __ r  %% c ~ E.SS.UREil10,CKIN,.GICAligUDATIONMMMM@QMGM

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                                                                                                                        ~*~ """"fi Q EqpgiiTEMSW}IS,W 0.625 10     .

c

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                                                                                                                                                                                                                          .f.      $44
                                                                                                                                                                                                                                   ~     w yF  q      gggh                                        -          -          -

a l u a 2.142 pr36!7MisMman:WTmYMYMMg d{ I I khgg((a , 0.625 pgggwpTotaldueto,PgTB(Ibf)jy4,031. M

                                                         #                              e[                   ih            dE                0.3125      g%UhM                      M$ Available Margin (%)pM43.5%

Q[$sMb 4 m a h i SiffAh]deg) th5Is 5 WM l b _ M 3$hcK L I ---- k Mit d Eia#hEhN$ b N [ son N $th hkN idiy2$dh 0.3 h tffrittr!! W W W E W M W P T W h pW WF Total mirQs Static Pullout (Ibf)l WN 1.687 k}p g_ u gwnp ygstatic ulicu,tFora.ellbf) 27 Fo 27.6E+6 2.344 jf! yp gir.gipgggggggs@pgjjjgQ( N.ote: Fpoesed injwonu5w/14t93 i

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                                                                                                       .,;(i y D 3VF v pstem 0.617 1

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                                                     $7!, 7                  L '

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w y64 m wgyyar m o51 p m up3g7e%- Mcwgi m p 2s;M,wy%

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Unit 1.1-634 TVA SEQUOYAH NUCLEAR PLANT '9/18/97 Page o K_ == ,:5M%M?RTWn _;WMV. Gat %R?M*MWLWMV ~

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                                   ' E"                                ###FK#$5i               tid  D Nih- $ $ I M N hh' M W f M W W h !                  tries P dWe FEc50hi) %L ?$Y$ $5) $64 +0b     W j g .y $ W W AN N 'i&h%%
                                                                                                                         &jkAI4 %n:  [ti d h I @

i Prepared by: WF Cetta & 9 N47 Checked by: RJ Poole QJp c).7.3 *n

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 iEge Mw!IWhiM%yvevmwmycv;sa mw #m m Mid N@MMWR f0Essin6eS mammvg k. 2%p@um$1MM - a f M wBonnet en. Pressure mm.r a(psi) m-- cPbonnet 253 p,.m,." T&qWTW+

                                                                                                                                               %                     P, i,stonwEffect(Ibf)  -m w                                  U
                                  ; ~
                                               $~                      trearnPressure              W P0p                     140  % U; w %, e p .liFMiVertical Force                               (1bf)       U,    U 199-'w' W=.cd47
                                               @ g.                  a.wwhwm(psi)             -s
                                                                                                   &c9Pdown,
                                                                                                        %                         4 m$.mkvby                                                  ur s              2 w -
 <W-g                                i            d ua                    trearn ressure(psi)                                     10 9:    M                 wpg + eG;%,                   ,Sullou,,t        Force+ $2,808 (ibf) un     ' -
                                               %F PDisk3 Thickness in G:UWt                          0.625 q             4:
                                                                                                                                  & % hRPressure Lociting Force (lof) W1.438 Vz a            m                   v
                               ;Y*#         e  a     .

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                                             ~

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 ~

t m s u, l pMHublRadius (in) +M.fui wb su 0.625 #s pywym. aTotal d.uev to, PLTB p^ 4v y2 ' q Available Margin 1

                                                                                 -              n                                                                                            n.

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                        *& y%       TTN pk . o i

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                                                                       %ggnm(degw WpsPoisson's Ratio wL f of Mod. smElasticity c w m psi nm Ngtheta (v}

um) yyw wwwv wyw . M mE 27.6E+6 5 %!mM NM n w m e 2n:N mtiF^ gA lM wg a Totar min.rs Static Pullout (tbf)l ;

  • 31.6879 f,,

0.3 m ggygr$p ggU 2 c pp @@ q{ f Static Put!out Force (!bf)

                                                                                                         ;F              2.808    @@MhWN QM                                     MMp;Qf R"g]%[-                         Q* (
h MMv p dQ$ po3v*

awn Q, .N. T Ante r- 3(J2 Fpo.is.not adal. tab.le,and. is!m Y. D i ', f J NG

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nq%yy,.c 70

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g:n n3 Q:pygL;

                                                                                           .m      n4>

dtyVF vb -

                                                                                                                                  %cg proportionally 0.617 WRq;Nn%

mm~m. W m x-- based on tji.Se,e . - note below

                                                                                                                                                                                                  ;e-     J   ; +i 34,y         r
                                                                                                                                                                 -: erM , w J Mn G W %:.. g ^D. s-aubb              .

f penNab/e; n g em -Facto,<r ~; n . . - . px;w -- g' a .

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                                                                         -- n .

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MG '

  • Aout gAout based.on i Wn NM&MMM . Actuntor,WNWmm Output.(Ibf) %fbW M W &A.gm.vailable , margin.r.e.flects.a.n additional thr, f f 7 . _ _.M m . {f,Pi%. g;f; M wy j{:

Tl?NS 4. d f.MM% .aMVWWWM gf n%-J w

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TVA SEQUOYAH NUCLEAR Pt. ANT 9/18/97 Page . Unit 2,2-63-6 usvwt.rst_gssair*nWOWNJ5W . A4%Ww wm~a v - :sim:; _.-

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g. hYsM $11h3GM5k-y 7",

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                                                           +    -               -

W J Fs - (1.284E+03 AM w y ~, < a 41..:

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                                                                                                                                                                              -           x              S:      -

i { Note : Fpo is based on the ratio of the Unit 2 to Unrt 1 closing thrust and the U1 Fpo which is 7110/5935 x 2344= 2808

                                                                        ?

f . t l Prepared by: W.F. Cetta rk H547 f Checked by: RJ Poole Ragg.Tf.*n l l { l L _ _ _ _ o

Unit 1.1-63-7 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page q

   .                  E. RM, ERC.6m- Ed!RR. ESSUREtO__C.

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N Eb' 0 P$115..ui .3? . [. .

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I i Prepared by: WF Cetta Pc M-U Checked by: RJ Poole DC Cb'Z3 *O

Unit 2. 2-63-7 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page , MiqWgMMRQQ4mEd!RRESSUREWO_CKINGr.C(LCUCATIONs%M C MW ne' sure

                                                                                                      ') 7LPbonnet i

253 k $shbkh b Yb k h N h M '

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m i * $47 e {kdN.D~ullNertcai#cf$E(ES) s.-

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s  %- - t Pressure Lociong Force (Ibf) M ni.438 ef ,

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    =
                                       !     a$a 4 Poisso,n4 Ratio.

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g 1 isk . I  ?% p ,M ,d , 3 i p'~', 3 - .g. - . 5 - gsegg . Plotts Pt* 136E+04 %FMtM C;;L G?iMr 09~' 'l 25!c,liiiNA.EY. : gg$t%F h, nann MisFEki$ gh!IW [1}}$[NhfNQJ __Zr ? -iWTotst_Densib'dsihiPsesswe Forcesllre hM1Yq ? ;UaT.O.000 g dNM@[$,Q%yg[]f.h

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                                    ^~ K '.'aue e,8eet c6fekf McWa sener sseen m=- ; 7&EY.sw +^ _1.0. 36_E-07_.                                       Y 4,%. 6, _ :'WM,          x          ,I M OM ,. - ? .

ygy g M_.,g+fy#; m

                                                                                                                                                      . pp
                                                       ^dife FSed C6iitki 84rt5_a_ Berwilig'(Wpter$ 9-WhYbw : ; "-5.285E-08                jg                            Q jpps                               9 p y y d : Q D @i j > # W Q N @f ; g ? Q
                           ~

n pw/1tP1DeRecti6ti&d b Hutt C5 4_ J-- ,1WUtMnp TWwisp a; W3.206E-08 g

             ~
                             - - Pjf?Totni c."2,4brdde My,dM c6.M rorte~p6tetrep Ty 4Y* ["; N1.885E-07 If
                                                                                                                                     ,,-s _              fy j          yisyy                    jW gy@   [ 4:)~

Arn{t@h

    ~wwwewmoessaayecu.tamcw                                                                                        m=w          %      a%

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e r-Unit t1-63-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18!97 Page __ ,

                                                                                                                                                                                                                                                                                                      ~

g"Y@$MQWKC61m Ed!FjRES,S UREWOCKINGICA#CU.liATION ab 42WR% QMj$M A. 3 y _ (J;E y yy;'  ! ;L,@l Gl WBE&iLVALVEmo MCVW157MMy&pfp&&V [ . Qy@ &&&?w , Yb W@QYgf *pf gf ,- reLure] 2235 t r " ect ibf) y w psi) -n .P.b,onne.,t

                                                                                                                              ~                                     . - - . -

Q - m : > M, <L 3,,313n- ,. W

                                                                                                                                                                                        , E7
                                                                                                                                                                                           #A-RN~Pston                            E.f.f.n((!bf) ud6T
                                                                         ,m.
                                                                                                   ~e r

om(gM,I) . tCPupm 25 ea  ;

                                                                                                                                                                              -                    (p' PVe.rtical
                                                                                                                                                                                                               - - m Force.                  -11 4- 126  -                 m o

Ce p.=tiream n M Pdown 0 W >p m W W ,~ o Pullout Force (!bf) ' ' ,i

                                                                                                                                                                     -1 5
                                                       ~

J  ; . 0.875 gj wM 9(Pressure Loclung Force (Ibf) Mw nu + a ~ .n ,62S -- ,- f" . E. DisicThickness (in) 95 yPyt  :$270 .-< 4 M __ .,p mNm ww,r.Nw w(in)ms9a

                                                                                      , Seat adius w                        <
                                                                               ,s pd.                                  p bm,                 1.8413          Mst'IFM? mmwmve C * ' g ,
f. ~$h n U 3Hu.n t uadius (in) TMN~u w 1.25,  %:47CeJG-,p, # Total -due <~ to PLTB (Ibf) 7.;12,704 b.

id adP =a Y<m S.Heb s sw g ky W L Len~tti(iri) 0.668 v

                                                                                                                                                                                ~           .

WPWM Available Margin (%) - 4 59.0%yga-

                                 %j%? v $e<y tig 1r^                                                                                                                                        v.                                                                                                           ~

gSeat Angle;(deg) kmwo atheta 5 rXFawv m m ~ ~ ~3 "i7 n U " "

                        &NM                                    Y              Nho~i s$rfs Ratio
                                                                                         > vw (psi)

W nNE w bN 0.3 h@NM i WWTotal minus Static Pullout (ibff9 9,07

    ,           ,       % .g
                  ;myw %n$nf                         &% od
                                         % c eL , % +!of Elasticity W 'h 24.6E+6 4 m

a a-a Cry.W a ; P+O.,F w + . a .c .

                                                                                                                                                                                                                                          '? i ; 7 = '?

x.: - Static Pulioutforce Ubf) W R Fp6 5.626 4 % Mote: Fpo is booed on 411W97 test during U1C8. i bc w 4h h__'4 % y . Whrp@FFUMMiy OkEo ^iM~o'pifrNa.E_F,3ct,oi @SO BX 3@#VF 0.4809 ,.U ' _t G 1 p MDstern 1.375 SCOM@2

                                                                                                                                                                     ,v*~
                                                                                                                                                                            ; f m%

M N Wrp2s  ; 4m ~U,M

                                                                                                                                                                                              ;L <;W+; i ,. .%;              4     ^

4 4 s ~ ~. ' M. Q GMbiJMW9 Uh. SM.4&9  ; m

                                                       -WMStemyfAct3ator     y a vy amy Diameter-(i,n)

Output (lbf) F +m wm . n ? - .; ; ..L. 4 . R .

                                                                                                                                                                                                                               ~
                                                                                                                                                                                                                                                             ;u*               ".
                                                                                                                    - ) ^ Aout                                         ypm mg ;y vehe snomandes.

20.200 f4 Aoutis umseed b

                                                                                                                                                                                                   . w .~ . ~ n-p- - W x !y;w                -
    %              WWMT&KMr                                                                                                                                                 W      s hN nt                                         yW~.'

PRES RE' FORCE cal CUENi10N}S,ghM WMMUk ; "?WMWWWf%WWW

                                        ~

4W* QQfg~pg&T4: 6Actuatofrase of losang  ? . _ and ag I 7 n q' ( b_ M;M . p;y@,jy@ m Disk to DP. Seat.Coefficent offricton,'

                                                                                                                            %rnu
                                                                                                                           . ,OPave  u m ??W--20.500 m        -:.                     ~~,           nn -                     ..            m                      1 i, ,
                                                   $nynn   erag~e mm                    am- v.dsi)                  M
    -y                                                                                                                                                                                                                                                            .,

n

                                          +

am aAcross Di.sks ( . m ~ N+- ,eM, - S - M m+n m,ergini,a.o%,an,d a . n soeospectivee

a. ..

r , were

                                                                                                                                                                                                                                   .~r        .

W A g

                                                                                                                                                                                                                                                           .r. ,   ; 9.',
                       .X  ,# E k e %. ,D ,is                                                                            M               d   31,$06E,406                d,c,onsideres          in   n.           sie m                      ls1. 1 m, i ? .
                                                                                                                                                                                                                                                                             ~'

4" d < ML D,lIS,tiffn.,ess,C.onstan,t(ibf, tElk Stiffness . Constant (psnlTE int

c. n e e(%'iD. ,arein te, K 4P+

ij?M.. 7 n~W.;nMuw

                                 -}                                                                                             *1 G u 29.442E+06 h:ub~hwde
  • upp nmm > , ; w 1

_pgra%un go a w"- gger#n W5C2 m w-tCtwo Anp0.046 dihedIndedNeiOstitsescombinagonotpressures~1-. ma e ea m - M p a J garb m. wd e 3 M:!Cthree W is m e~ m.. m ct 0.005 ~ MThe pther taas seh 140 peig upstroom pressure k a lesser case.

                                                                                                                                                                                                                                     + * .                     s-                       ,
                                                               .j J    5 N

(m{i g MC5 ACeight M,MvOI11 yO@f, sQ3M.~@aM((,E [.

                     .m
                             .4 a g.

w m,

                                                                     ?
                                                                                    /

7 m C9

                                                                                               ..;W*(.

w MCnen.e Acw -

                                                                                                                                .-       n
                                                                                                                                         ?~N
                                                                                                                                              -m- # 6.235 q -

[O. W, n pQN' ~MM; - m&: h a'.<; w s_tt %w e

                                                                                                                                                                                                                                                       ,u E ,?p.,;4,1 4

ly . p n c i 1Ln- i%d6 n ~ fee w2 (i Mj h-@- - WMWhprha M M,U [..m a #,m W. m.5 _ mML9 h L~nine. C

                                                                             . n.                                                                     ;           -    .~

Wet -n~. sets .a. 7 seersteiene~a-

                                                                                                                                                                                                               ., m w cohn,rt open thru.st - . n.

WC w* AF , L g, m -- r.s r /2 0.000 v --- N w- + U , W< 3, gf y pWG n M.Rw' ' . %--nV 1,11 8:.- M c- M 0. 000 h w t=~n W i br! M eW>>G' Me P,9 O W. .e% 3 z:

    'w.              %. g 9%F,.?&                        .m }MM~ m j?ni17 s5vLeleven entien t U ' T0.042 gNNTWu. .,@pW, 5 g dd
                                                                                                                                                                                                                 -                                    .~. ,:

u 3 a %, m% , y 4 .. 3MEiff6MiddETMMMM6%ESTdAWNd@Md5MMMedMdiMhMO4nkk bWI i Prepared by: WF Cetta /k M4 Checked by: RJ Poole CDP %'23M1

TVA SEQUOYAH NUCLEAR PLANT 9/18/97- Page Unrt 1.1-63-157, worst case .

                                                                                                                                                                                 .: d iF;; M:
                                                                                                                                                                                -m                                                               = a 3 xr n ;4-.         .

2'l i..; M!!ahdbuitill;h2fsai N n7

                                                                                           ~
                                                                                           ~
  • JCe c - :" E P % W U. i p* 5.a' q;M t e 2 w . ve .6oM " -; C4 ' . 4 (4:

1

                             , ' . 4; 4 e
                                                                                 . p. i. :_s ? . 1 e! t. . y. i. M. r.t.> , . .7.36E,+02 .a_ e- ., g- *p A#.M, u y 3 i. {. ME        R  ..
                                                                                                                         ", '  . f.?  ^-

3..

                                                                                                                                                                   'l 3

WMbs e i .

                                                                                                                                                                                                                                                   '    c. o" ' j^v 4o 4gg%c
                               .. - . J . . . ' . JJ 4                                                                                                                       g gg w w .3~
                                                                                                                                               '                              a
                                                                                                                                                 ?y, v~ ;.i - ,
                                                                               .i.d
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                                                                                                -Y.            .
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                      ~

7

    . . . . _ -           ~     . .
                                                  -~ w s ~ Q..        y.

3.m :q.lct-e;. ,j,wi , , , , v ~; .

                            .1 ;-[.D $h-
                                                                                          'I M                     $b !b 1.276E+04   i I          2 1 c _ ? :* : -

s h5 h nf 6 'W "' ~ bh Q.:- - yL;k' l n.

             . .... A .. %WiU
     . : ' . _ . g.9                     7. :.7 ; DefiWiar%d16p%=Mff,;;;.;(in) 4TiEYqlp2Nic.0007-
                                                                                                    .         QPforceN:~11Rdol;Q
                                                                                                              ; 6Whl d.

o 9 J AsGk@1 4 4H-.iMR sj(jQT@ ' & dC$yt$ f. p-[ SN.r@4 hi.3mNZN, W ' _ Shul (C6Ms6:fdedTsnee(SWF.- _^ ;!fEt1 Y

                          ._" Vsurd5est C8eitectG da :4.Miin/pbtnnDl, iCYbwlM-5285E-08j swj M;1.036E-01                     %, h?y$j(

[- s x sh d.? $w Z M nr s-

                                                                                                                                                                                           ~.                                                           n            c d
                                                          'dde'fd HitiCompresslo6TESWmD] 4Yeomptl RP3206E-08 l g.                                                                                          .E NMJota! Detechen"dde to seat Contact Forde~(in$tfcD p FT&Yw l U91.88SE-07 l f                                                                               [id g g Lj:%1M )QC4N:f, Njfh43%[                                                       $y 4                  fjk 8eefConteit                             Fpf#%NchIkledicIn^is                  CC                                 6isefenrA66
                                                                                                                                        %.7%? 8                       h MUfVhiM~.

sty' 1_ WS [T7~M ige'istM " "4: !. W.629E'+ FslQ

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Unit 2. 2-63-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page_,_ ,

         @BWLWMSWE!MC6mEd!RRESS.UREIOCKIN.G$AEGUEATION? M XM                                                                                                                                                                                                                         A '?
                   .$ .:.As4L&.L m
                                               ;9%
g .. c. M P s .; }&; f.,. .

4- ALVE D~NOfl2 yc .J. q 1 %m m 3f;157siEWWWvMiWWM w &M4c WJ s . a w w iWW o w n E ll5.. .

                                                                         .QQ.W.                                     . _                                      ,-        ;pUNSGATING FORCESm Vm M i i W 'GL
                                   .a< ~ 1 e,.-
                                             ~

n m ressure(psi)  : - MPbonn,et 2235 d, - ms WW*D v Piston .~.. Effect (Ibf) ~~ > V3.319 7 . . O,e .'

                                                                                                                                   ?

iX-: w-  ? rm,r 4 e {ptf).

                                                                                                                         .n
                                                                                                                                  ~m y@FPup n

25 M.

3 9M, an o cMVertical
                                                                                                                                                                                                                        ~          ,_-

F,o. r.ce,- (Ibf)  % ?4 s-ullout Fo, rce (!bf) Mo s .126 _; . E &+- mara Prsn6fe(pti)diPdown ts 0

                                                                                                                                                                                            , yQ y@e 9, A.:+&,. Pn                                                       ,, 7,094       -

pil Jn )' E R I.Q tt 0.875 -" e5mJ Pressure Locking Force (Ibf) '1 16,270 [- g - t s4 nyng dt%_eSM ED.:S g o.  : 1.8413 .i% WFtFMV umn mum Wein f n. > i .h $sj 1 .

                      ;                                     ]                                                                                                   1.25                                                                                  (Ibf) g14,172 D!

r - u.! Ya  %~ Hubwnr Radius .) dd. u d. b OEM a 3 m+ Total due to - -~PLTB- .- -

a. 3L
                                                                                                                                   ~4 pu,W L X C @n ~C?~M~Available Margin'(%) 3 .,42.5% ,X-M m

7 l *c,e Hub . tength (n) i 0.668 8 n - c SedA%~Ie,'(de.g)

                                                                                              ~ nn                       n      .

b ltheta swyn 5 . b,w w m r m e r e '. &.r w n _ . -. g.  ; e , Porsson's Ratio M 0.3 Q+ :a pxr9: Teems minus semeic Punout Obr ( 4 3 7,078 [u

                                                           ;                                                                       @m . ' v                                          -

M,my m :- a m h. fof Elasticityu w=am(pti), eME 24.6E+6 . WRMggM;gypxp g12( RWN" w' e453 w tatic Pujlout I orce,(Ibf) W gFpo 7.094 @hasheir $ lie"bleeIt sn 4Nds4 sesQ W

                                          '~

3 lg h5ach W %lF 04609 $f$s $$$$$$$ 0]J d$, N w; M ' w v ew ww-rActdetor Output,(Ibf) s. t

                                                                                             ~ird66 k (b) $ tisiem.

nmw~ M y Ao, ut e 1.375 20.200 NdM. Mu ys,Aoutis cMAMEN.EddI awe sienised by,firsewe dI' >M ano.m em 9 cq

                                                                                                                                                                         .,            ~m ym .                  ~v             seases.me
                                                                                                                                                                                                                                 .--                    , n < 9. w                              M, e 1.                  >

k bbfh5  % fh *$ E -

f. f. r L .

PRES $t RE FORCCCACCUt!ATION.WsT%:%u8wMMS Md a +t *a r=M3?;w&M Q N_ M n 1.?c .: a.3. w m ; m;c are r .. c. F m-'. y . F' )py o . W Disk,y .. .of

e. ,ficient
                                                                                                   -        of_ friction m         U . U1m.u ry        _r n0.500m N Re,ts ofm e4.d.ia.s                     and solas 4 - ^~.         -
                                                                                                                                                                                                                                                                           ~
                                                                                                                                                                                                                                                                              <  - ;N '1-Air t' 4 . a. a. <:n ( ". ; .

y '43 .- E...M,7M 5_

                             ;, U.                                                       wlActost
                                                                                                                                                                                                                                                                                 +

mm Di,skt (plii d_ l 't ' mergin,m'zoWahd s% mopeenver;^=oreWy m -  :- _tD_ Pave a iribases? 5 & 49. "WW, . _ ,m ,- - x m.

                                                                                                                                                                                                                                                                       ~

i  ! - 9 < n ss'wConstant ,n(ibf*In') _ c MSMD S M 1,.506Et~06 ~, w " l n

                                                                                                  $. Constant'm(psi) NCG f n9A42Eio6 1 lleedside
                                                                                                                                                   ~                                                      - - -

oe.id.g- g c /.%the,mareMyF D:, i/: :

                                             @ rM . -  9                                                                                                     ~                                                                                            c g Mfg          sprQ.;L ~S R., ya h
                                                                                                                                                                                                                                                                          -.                  .s          .

E Lw . ~ - ~ a $,d m .t n e1[1 - M b %es e v: mCtwo

+

a ? , WC2 p 13 . . c a w- M OS;0.046 escret ceae comtieneson'ot pressum,.# u .& ost _i-w otC3 qCthree : w we; 0.006

a ~ '
m % -e L

h; I%'

                                                                                                  ;                                                                                        mEwwwwf o         esee eeen.146 pois unseroem pwoure le e ionsec ease.;

g i

                                                  ~

Q g - e ag % U -Q d @g'ht UEM YO O t~ M C O*W 4 - M~ $-  % Q~r gn '%M MW @ Hue a c 44

                                                                                                                                                                                                 -m D } %w.      D W"                    R -Rn @w w>w'                               @W                        T MM U                                                                                                                                                                                                                                             u ada          M,
                                                                                                  .;r%yeCC9 nu+ 4 C,nine p                   i    w                                                                        we                                      " , 4: ;:0.235                                W,n%                         W gg,  W,a;,ug;mW:                                                      .2J dl                   yd                    4' p                       (            .'l            .  %w     3xsp ALthree u.m u., .

ZWM 0.,000 V_ n' sinepo

                                                                                                                                                                                    %~ m,st stiwee
                                                                                                                                                                                                                                       ~

4, .m predictee anmopen'thrvet t-_J . .,. s -1 b*t.e ,1 .

                                                                                                                                                                                                                                                                                          ,         m 3

Q, - 1 nine %gan 0.0(2) 3 40197 ist.attheebi:enaisons.Hg ?e .Nu/ ' t.9 V"7 : . MQP .W g@ b

                                                                                                                               -          M                                                                                                                        '

5C 1

         <    p
                                                                                                .-m-7 s         me 'Lebe' "n- 2:-   42J0".0"00          =a
                                                                                                                                                                                              ' Ce R L.sF N mm        E Z W> ad P'*                                         m_.e+             ,
         '3             .
                                     / %j                . . - ,

n [p } DEL se&OIen ~4

  • W O0E2
                                                                                                                                                                           ~

Y ps 0 ,&.n r$ s l ? l Q N %y, g ,&MW Y heS k 0 Y: Y Y$ 2:d E Y.5 NY  : AN Prepared by: WI. Cetta ik.1447 Checked by: RJ Potle EP 9 % O

Urut 2. 243-157, worst case TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page .

               ._    _- -HmqyW 559759:AT;WMn :26f a qwr:GEnEg?gt n- M p;yzz-L..w i.. ~% . .s c,-;g:D                     &_ ~ I,m . o
r. g  ;
                                                                           ~ 'r     a =.Mg            Vf            . M;7E+02                   w g&,

pt Ar cdp -43 b 4f: . . #1t . 14. .;s

                                                                                                                   -m  M5fs$0s             $1@MM!MO$(Ok:yg#~p[a                                      ?y    se:f@?l 3 # I 10 6                                                                          (,

__ ~ :y;u

                                                                                                                                                      .a jd:%}%p ,,u.

c

K; j .;;RJ e ~g g . -
                                                                                                                                                                                                  .q i_f d,%. .,Q '

g, _r

               ..a .                                          .
                                                                   . ..                   ,       'su           .I                                 's              .
                                                                                                                                                                                             ,              .b Bending MM                                   -
                                                                                                                                                        !R:N!NMy ? 4Q                                ([dh 7 -M            ggfiUuttisA 4 ] Mse Ey                         4 0,07                      qQ:s ;ij 6 >. a pg, ,$g @M 4

d eGe'idHutiSimictitibf) Pforc M] 3

                                                                                                                                                     $$pS5:bh[MW-SM i:gure e tr.M.                              ?Ab Or;r@?Ni *    ['. i
                                                 ;rrvszY -                              Mrm3 li@d6Nehe              NY3g/7;1.276E+04 Mil-65         i            i bin Wjd[N        d> !I Ib ' S '

39 BrC@Tstaf 0eE*6dde i6 Pietsdre F6iices (in; tiiETYq 2%5910N I$ lI[ ' Et - Q M'jjMd d?MNN%Q

                                              ^ fMtdses~t Confact F6t6in's shda/StrMt?(Ir@bersD       Ei w    Ysw M1.036E-07 ..
                                                                                                                                   ~
                                                                                                                                                -wz           MIN
.u ~ d Wm JMh #,e R; 2 <. w^ T Ms ^r;Ybw s D5.285E-08 1 g. Mj A94 ie._.Q:.#

ywGfU ;bW M D % 1.1 .;:" N & ..,,

                                                                ~

Deut.q'ioWdud to Seat Co6tka FFee's Becdeg rest [ tend . _ A i- R^'9RDewWduG t6Huti c& ;;.6;kiK 0nmtr+y %Yg.Omp r "" T3:206E-08 '

                                                                                                                                        .QS?QR.Q. .ru                      i QQ~il;,W          i 2      -

Nf? Total oh duFGIS&st contacf Fdde re PJir.nD FM 44Yw r#3agno.n.anu6awner,.vem yr e wrmM r751.885E47(@jg%$hs:lLQ;lth 3% Nr[n v hhdi%[If x A -( . M*iFWF% oJfEEfreWipi,A5ie Edees tite; i 3 PPEA F o-7.029E403 E iW.# W 'eMXiB:W* 1M1.' ' l

                                                                                                                                                                   ' N ?"                                     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% .

e ,- ...: hhb) ressure (psi) % Pbonn(t' 2235 O] Tiis i K t - bh

                                                                                                                                                                                           ^ UasPiston Effect Obf) gi2,222
                         . ].uc.9 s.c . .--f         (n n   *-g    +
                                                                                                              $gggg{

Ww g g, y g4ggg rw . MM.

                                                                                                                                                                                                        .~,n-b-mT874
                                                                                                                                                              $, i. g. m xx}%iiPusout Force (Ibf): c5,021
         $v+.. . U T                        ,        S           ._.                             ~i(ptj DJdouM                                            0 Th bgMsPressdradoc@NiciC6f)E' T5:

j5? T e - Stucknessg) W FOt 0.75 429 MMkh g;f%g(in)) hbs t b aft [ 1.281 hbcd hdrWRTUNI INTEN9"E

  • t W j g p%$$ 0.406 hgya Wmm : Total due to PLTB (Ibf) v iT10,102 i p( Ip. :E%4 h. Q[c - Am M61M(ih) Mdyt 0.544 ,$ @DN@lAvailablEMargli(%)
                                                                                                                                                                                                                     ~
                                                                                                                                                                                                                                       ~ 345.0%

i

           .4...

d<k(

                                                %,q     Fx                          $y(u_

ea s- w < . (deg) uw ~~ Mt,heta 5 M. e erps m va m varv: w v

                . .] Wa(r
                                                     <e 2.

j g % h. ,

                                % };,;M$dI       $$E                            j p
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Unit 1.148-332 TVA SEQUOYAH NUCLEAR Pl ANT 9/18/97 Page

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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

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                                                                                                                                                                                                                                    -                (1bf) f 2,459 N Pdcwn _____0_. % e g..c F RM 'bPullout
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                                    . . -                                                                                                                                                        a4%                                ~r                                  "--x 0.70; .d [ - @ f i S Press %ure Locnirgj Fom% 4e (!bf) "E 14,377 Q,. 4C    u p* ti
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                                                                                                                                                                                                                       " W SJM m Tm '
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                                                                                                                                                                                                                   - =

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                                                                                                      ~
                                                                                                                                                                                                                   ?Available           Margin'(%)

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Frepared by: W.F. Cetta TL 'M Checked by: RJ Poole Q JP o).1M] i

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Unit 1.168-333 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Page . RQWMW4C4niE# RRESSU RE!!!O_CKI,Ng CAllCUllATION N: 4 :O -

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                                                                                  %(-em.      xnnote.1 (Ibf) " m 1,874
                                                                                                                                                                                          ^
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                                                                  ,~
                                                ,%,g F                                                    (psi) yPdown                                   0 M                M ?m% 67 f P4Aout Forc5                                             R ?3,666 i

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h. ~kiY n = n -( h hxnhYk
 '                                                                                                                                            1.281                                                                                                      m y -

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                                                    ,                                                                                         o 42)6 1 f

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y. j .dHub'Leng~th
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                                                                                                                                                                            - baised on st:2i.s3, n               n i-a l

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                                                                                                               ,mv           S s.

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Unit 1.148-333 TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Pa9e .. . - - -.- 'L. W. T,Ymr f f's %;3v , gag .. .~ 4

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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

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A~Pbonnet Rg . ,e .poe: mr Pressure'(psi) oe y 2235 % & T s Q-Psto. n Effe.c;(ib, -s ~ f) U ; ,- 2. ,222 P- + 'F_ - @s e? , Q a yefr -$. . pstrea _ wasur#(psij4eepote'2 yn nn .C y> Pup 300 Q w O ,2:459 3 ; i.[%B,-1 h, Vertical Forc,e (ibt)

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nTotal minus Static Pui!out % '4.614 l Q:,,- F n f My*V 4 -ME 24.9E+6 2 ~ V 2 5 ' . . J 77 H c r &~ ' g s'* q @e ,- St + so. N Fpo 4.292 b Note': 1 e h2h lNot a_va,ilab$.Sd. . is. 'proport.onatdt[tiaked 4 - - - -- TW~u WR M P%md2 @. " Wm4 w~ aticPuBoutI orce (ibf) Factor OMVE

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PRESSURE FORCE CALCUL'ATIONSW WM,7,D,E'FT,3'% - @(,II.M , g .WM .i . .. ': ..-d,-: y ? , .,' , + --

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+4 ; 4 ; a .finess <. E ,57.855E+05 14 total PL thrust re. quire, ment.  ;; ' ~ 2 '

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(psi) 4' A1G W, 9.5NE506 -32 y' W: ec s- - - - , 9J 'Wh Stiffriess Constant - -< M<_ m , m ,:y v c'< w3 e,J3- ,;:, A.s~WW m wm Awqmyap ym mw;g v,st  :' ,y 4; GEOM RYiCONSTANTSdyem- a pO[r pm+ mu,cyn:ex~mry w m,M, ,1 W q _&e - M_ wMVMMMa s gg .- _ ,W 'l- M ,

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Prepared by: W.F. Cetta (k T4T7 Checked by- RJ Poole @%M

Unit 2,2-68-333-(1) TVA SEQUOYAH NUCLEAR PLANT 9/18/97 Fage , m ._~_______ a % 5P M ? ,. _ . , D S W.--P:+ n m1 W ^i3 % W ~= Y ?8:=n; - Ni:; ~w;3 w: '. Q.  : uma . s.a ~2; - i$h%w%p' C 1 rA 725E+02 P

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N-c;%sp$%ij[is'if$gC M 4#EMNdi FIN A M __ _._ ,mfisDeMerdintutt5"Rubh% Jos(WilbeMD tsYcurGr F"3.849E-08l ; m _ NI@M ybMfitJMdsW 2- [f}yh_ M-kfd[hh!hNb d, 639sTofaf DenechoWdueVS4af CERS:t Foi6er(Wmfi 12BRYw W92.787E'07)Q - emwwo.aams owsme ==nrg1b"m mwm WNgaetyyS&;1 VIM i! '<Wni+AH 7% JflyNMPfi?Wy6snE5EG hieiEF4 FNEei~0bh

             .                                                                                                                                                                     s Fs P S.325E463 Rif h e! We S " Ni:'91 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- %}}