ML18127B143

Forwards Seismic Analysis of Containment Fan Cooler Units

ML18127B143
Person / Time
Site:	Saint Lucie
Issue date:	08/30/1976
From:	Robert E. Uhrig Florida Power & Light Co
To:	Ziemann D Office of Nuclear Reactor Regulation
References
Download: ML18127B143 (26)

Text

NRC FORM 196 I2-78)U.S.NUCLEAR REGULATORV COMMI~NRC DISTRIBuTION LLDR PART 50 DOCKET MATERIAL DOCKET NIJM QE R 50-335 TO;~~ZIEMANN FROM: FLORDIA PWR&LIGHT CO.R.E.UHRIG MIAMI, FLORDIA FILE NUMBER DATE OF DOCUMENT 10-30-76 DATE RECEIVED 10-29-76 QLETTER SORIGINAL C3COPV CINOTORJZEO SUNCLASSIFIED PROP INPUT FORM NUMBER OF COPIES RECEIVED DESCRIPTION TR.RE.THEIR 6-30-76 LTR...,..TRANS THE FOLLOWI ENCLOSURE G SEISMIC ANALYSIS OF CON'fAINMENT FAN COOLER, UNITS~~~~~~~(1 SIGNED CY.RECEIVED)(21 PAGES)ACKNO~@Z)g@D i PLANT NAME: ST.LUCIE//1 SAFETY ASSIGNED AD: BRANCH CHIEF: PROJECT>fANAGER: LIC~ASST DIGGS FOR ACTION/INFORMATION ASSTI:fJED AD.PRO NA~'B 11-3-76 8 FIL NRC PDR INTERNAL OISTRI BUTION SYSTEMS SAFETY HEINEMAN SITE A ENV 0 N I&E 2 OELD GOSSICK&STAFF MIPC CASE HANAUER E SCHROEDER ENGINEERING, MACCARRY KNIGHT SIHWEIL PAWLICKI BENAROYA IPPOLITO KRKW 0 OPERAT N REACTO S PROJECT MANA EhIEN BOYD P COLLINS HOUSTON PETERSON MELTZ ifELTEMES, SKOVHOLT LPDR: FT.PIERCE TIC: BASIC.ASL~B'NRC FORM 108{2 78)REACTOR SAFEffY ROSS NOVAK ROSZTOCZY CHECK AT&I SALTZMAN RUTBI'.RG EXTFRNn I OISTnIBUTION NAT LAB: REGS VIE LA PDR CONSULTANTS TO ACRS CAT OPERA N EISENH SHAO BAER BUTLER R MES BROOKffA ULRIKSON ORNL CONTROL NUMBER 10903 ff I>>'11>>4;I>>-Ro'<<0r vft rr.", ok>area'4/gt 1 f>>fg 4<<,, F'l, W4 rg 7 44F~f~4~~4~f<<g,, 44<<f F>>4<<yr<<If'f<<FP)P'If[i'IF'14<<f 9<<~1 1-4 pie 43 e gea'-'.406.P.OX 013100, MIAMI, FL 33101 i~V 6'LORIDA POWER&LIGHT COMPANY 1I 5eclhe OeeEe>Clek August 30, 1976 L-,76-31 Office of Nuclear Reactor Regulation

'ttn: Dennis L.Ziemann, Chief Operating Reactors Branch N2 Division of Operating Reactors U.S.Nuclear Regulatory Commission Washington, D.C.20555

Dear Mr.niemann:

<@g qg6 I ill~~Re: St.Lucie Unit No.1 (Docket No.50-335)Seismic Anal sis of Containment Fan Cooler Units Enclosed herewith is the document entitled"Seismic Analysis Report of the St.Lucie Unit 1 Fan Coolers." This document supplies information regarding the analytical techniques which were employed in the seismic analysis of the contain-ment fan cooler units at St.Lucie Unit No.l.We are submitting this information in accordance with our commitment made in my letter of June 30, 1976 (L-76-243) and referred to in the Staff's Safety Analysis supporting Amend-ment No.6 to the St.Lucie Unit 1 Operating License.Very truly yours, Robert E.Uhrig Vice President.

REU/NR/hlc Attachment cc: Norman C.Moseley, Region XX Jack R.Newman, Esq.e PEOPLE...SERVING PEOPLE 1~,/p ,J h 1 1 C<-M.Wn.M, S.t.aPay 8.PamkTe 6, A Ba'tetvgy,s REC'0 BY TEL ECCP(ER FPL-PV4R PLT Ei>]G<FROM: DATE TlME;P,EC'li&':

l o a,.e, ng enn~r'tructure) 7pchiill0gg V~esgknghovse Efactetc Ca~ot'ation August t976<i~

~~~'

.~I 1 TAPLF.OF B,.LVSTAN'IONS I'>BURE.6 ScJlcl!8ttc RGpwst".AtoHQA Qf tJ'l8 Pari General.AssemMy Rom Response Sp~ctra far Yarhjcal 0]F&C'L'~Pl ggE~yg 0 s~g GB1Ap'Ing Floor Response Spot;%ra'or Ye&fcal Qfrect;]0@>

@BE and 1C Damping f>abr Response Speci.re for Horizontal 9<rNt]en>QBK md 1'j Dlorp1ng" Kiev.60-'F)4~0<'e~pons"., Speccwa f'r HoHzvntel UfmeMon68K e>~d 0 6%Damping-Kiev.60 f'~0M'5j>OM8 Sp&Ct'vh fQY'QY'1zoIABl Dkmcclon, OBj AAl1 9.5N Pawpfng-Oav.44;p]O'er gggf4fl8+Sf~et'M fop HN')ZO:.tR3 Qfnrthov, QUK Anil 3c Wnyhog-Bev, 44 Phfif.10 g j v)C)~J Tg 0 I.I=-1 3'f I I s4CTION 7 IHTPONlCT I 08'"44's'fs w@s perfo~4 40 Mcl"~fg Cl~strgcfUM))n(Gql"ltd 404 opcNbtl)cg Of'he St, Lucre-Unft 7 reactor conta$nment fan cao'los+>w~hen sub$er.'t~A to se<sv$c lo<<ds I It was found fry~the sefsm/c en@)ys$s that the reactor centa<nm nt fan coo)qrs conform ta the St,.huc3s-Unky 1 seiom<r, cr$ter$e~Prllented fn AM@docvr@nt we the results fv0c the se38mtc analysts 4eranstvatfng th0 89fSmfc structumT adaqMCCy And op raMlfty 0f'he St.l,vCfe-Unht 7 f<n eQOTers Also, given<0 0 df cussfan Of ghe anelytfza.'l m.thods avyToged~e deseetpC>ori:

0f the Input used, and e dhsevfpHon Of the fan cogent s4a~etuVek System.

T"<9enere>ess@ublh'"<9

~>SchePQt'fc O'Ag,)ct)n)g4 of'n 085eRL)]y, tM&f.or base, end heat exchenget's'senbly, The miami)s mounted on top of motor heat o exchanger as,squab'fy sh$r;h 3s baal ted td fan assembly, The eo!np'l~>te e~sembly'fs welded to the f'IMl'auAdeUon, The spacff/e, deaf;a<l<a("0 dian>ssed bolos,, the fan assemb'lg qqnsksts of vAt0v 85aeab)y, hous)ng aa~emblv, beyHng base~, inlet, spherical roHGr bee~tngs, Anl inlet flange ruing, Housfn<}~s,se(ably

$'mode ot<..)der steel plates<nd cona<ets of s)de sheets end scroll.'fbi r'otor consists of cent>'<fogy>

h3H'oH'bladed aha l assembly and the shaft, The wheel ossamh7y fs presseL an the EeP.end$s also retained on the shaf't by'oto 3(4-30 sof', eeeewsi The tphet'Ical reklev beer fngs ere taunted orL V>e rotor assembly and bolted t0 the tearfng heae eseer4)y', The rotor ass,ebb'ly)s connected to the motor N$th a fkexfbke coVpHhg<Week 6'ssek$y, The vota>hose<s.ot a3)m7del eoostmeHon and CGNpor@onted so tb0t hat air 4 b<0<v over.the heat exchanger end rater'n~d to cool i'alar t~hfchr~&ntfng Aa;aa$ns<<4 the rotor bess.

i f I k I f'L 4 aIi{~f RECTA)H 8 N8f YTkCAL>KtH99$AND CRklEArA A<<4e>et'<6e"~n the praviovS serMon, they@fs na$ntaract$w between the f'eA end@~toe stows of the fan can>ei" stt"vctut~

bee>Use each vector has ibS Ows fkxad Haring and'I@sh4fts ata coaaectef through c>flex/hie ccupNne, Based oq.Ches feel, Ch.fan end motor M~r~'indqpendeqQy snblyped bdaAngs fox the&eetot'on&$

wenc f46 cool'm@am Used to 6etenv$ne 44>.genera)assmBy, NL"nylons,, and p~cperQes 0&eeepwents.

fthm@StVQQCVLO Wit 4@49)64 48 Sph'fng N5SC SgstPAS and the Ahtgr'g fr6$0&n~."fag wve ee~vte4 td deb."nafne who behavior Qf the ep".,:ponents duHng seismic QxC]tent'fGFt.

Ac c~k@fnC4 3A 880ttcn 4, t4 Qcpktftc@t'(on 1~'.v&1,$5F6 46tel'O'In&d based on,<he fleer wsp~se spectra,$t ups deII;.,nntged that thG fwquqnc/qs essuehate4 trkt4 the f~<<vrator system knrlu@ng eel'fs and~;oft banks have f+)gpyya$pj)fan f (gal p~$pg plP ygp, g~$$+f n~+gclh~%Irma~~/+a>.A I~w J'.,..-.w.*~q f,.<<-~,,~~q~ij,.z-~>,~

~'.q~0 y (41%lent~I I(el'&I lgf'@y 4(N 88159I4::.'eie4",.fh esp~i~ip i+i.;:~A(qg,gqfva I<it i'iMte$sads.'s sflr~~I~~~" (iJ~4~~$j;j~+<'J 8~LYV)~'v4 i A<lk&>,~~~~~~~Stwssas a)>C 66>3'WCBes-mW'e-Nulahe4'uskn9 elastic eel'ation<

for the wttt~ewi.'.inat~en.e0 ey~sat<ng'toads, h0~<sdntal se/size (ME], i(er t)ca7 eyfsmte (DBF), end acc<4mC pressure>(ee$$s and eye't bw>klan, L'tN'fC v4ttkss U$54 4 p8 fA.occgt46ncQ

@th ttM 8148ttr.pr0vfgfcns fn P4r't, 7'(fan F00'lm et~tu~eE Ce.-~oheatj)ALSO-69 and ONE Sec.AU, Pmssvt'e vessels Spacif)eetions (ee))tuba and If'stertor't), No anely+3s was nde f'r tt>e G8E sing fC v~s shme 4f@>t the DBE airless'levels, are althing>0N clast/e,)frbktS, AR'685AM fA&0 Cf N8Ha c4CLWhts abON,~%4~I'i,)a lr)P,.~g (lg/+pi~>Pp,<y it:qlPN d,g v~, q p.~~~'z,~~'gpj",@f'f(QI'6i');:fg5g5)joe dug'tqg sy$5mkc ivenb t'ai Iiitui'ed ai'ter ks'KbHehiiig

., tlat)gj8'5/+'S5'b'$

"$Q"Ih't!6A Qlh~H'0 HPii't0 ki1lf illicit titC dpiIQGi'iOAS AYP'IllflitCd old Mf)l~ee$n qkthkn ok>evabte values of'he apemttny c1eeronces I

~I~~/Ll 4 SKY ION INPUT DESCPIPTIOg Yhc sef$r fc dcsfgo va'tush used fn th<c~lrglgtfang parL~Dbthtjt~id

/tarn'thy'lac~respon"e spectre foc1vded Tn the EWSCp sparest'<r.at<a>>

cant:1g)geng An coofedS Koi FLO-8770,$

76, datpd!4y 2g, lyy1, Sqqgfan 18fn~f9QM>~EQ~kffe th0 f700p rqgpgnr~g spectra gyp Ogp Figures.g~rtd 3 6~'@vert"tc".I f)GQl" Atspgn86 Kpectl"8 tor 0.5/, gqd'lh gqgqpg~gg dygp)ng<<I<<~>>t."~<p<<t'<<>4"~~gums 4 and~~~a haH~aot~1<tool response spectra fOr Q,QX and lg equfpgng g~mpfgg velum, resp4gtf~<p'tg~

at reuetar bug1gftyg elevstfon 69.F)gushes 6 en6 7 eve hmfzon41 floov i.a<ponce spal;tr0 foe 0'.5l and 7A equfpneog d~fttg vhtu85>Yespectfvely, at meeter" bgtldfng.01evat.ion 44, Ae shaw in FigvNg 4 4o 7>the msponsa speetN$pebks are at and above Q.M scoop peafowl, 4ese thon orl.'gus tc 9.06 second par)ad Q3l:h 4t:tvdes.a)1 nr.,Cut'e1 f~equacctas ca'tculatad for th(a essetk'fy,.

the re;pansy~ppotpa1, velr~e..0="vc converged to tt%fIMt acca7eraf.!on Va'toes, Consequently, th.,'gseqgAy zan be eons$dared es sighed tee Ch.floor mspans~spectra shee fn Figures 8 to 7.Bomvav>for the purpose af conse~ett8m,.

staffs acct)Lretkon~

of 0,6g and 0.4g for horteon541 And Vertfcal dfrectkonsvespeztfvely,.have been t".boson as the 08K kopvt ta the e+~sembly.

To o6Mcn the acxfiwm hypathetfcx1 ea<hquake (09E)values, the Nb0ve values ware tt;uktfpHed by 8, The foHaÃng 08K ar;celerztfon values t et"e vs@: VEHTImL SEIS~ri HQRIMllTAL SE SNIC Oev.44'lav M',2g.'t.Rg The yartJea3~nd haHzont~1 ee$@tfq Iood: vita applied.s<eAteneously to'aIIa~f'Ot the worst pqss.)ge~ongtfons, In audit;fan, the eo)hs mm sub)ected to a dfffaientihl presume of 2 pet to t-epr'est.nt the bIoefwA tvansfent pyeshvre d!4fer'ence.

BENT~3.60~R~m7-BrDC.vpp~i g%w'p,'flrwrt';;y'v.'+"~.w,",h.s'~kl'itt'>~ri

~9~ri~ii>>'o"s

"'.ws'M:.~,1,"ir.r>>>

'.4'i~t~t~~~4~&'.I (l~~V o I FL.SPEC7RR.VEBT-A.KS 3RiiR k BM SEGNO" 5RML'R RP38 SN 3%45,85 C'RQLK34N B.)4 4 I I C+~hA AC.CG,R&~TeOaS 0~Cr'b4>a 940-'i00~gitjg~-.g.)O R-ao-:-'-V f.Sb J'l 1 S~$$.6a-~-.Oa-.l'20 l.O'~80 1.6g 4~'~~I l I I:~OS G 10 G.35 G.20 C-.W 6 39 0-3~0 AG 0-QS G-SG G.~S 8-eQ 6-M 0 VO PERfQDf SECQRQ3.~" FKQ."fK 2: Ffocc Aespaase~tea fe>'er'Sea'f

Ãvect$oe, CSE's.~Q.'25 G-M G-15 0-90 l/'nd 0'.5%thrmfng.Cg.Cj~~'~4 I o.ss i.oo o~w,~1 l jul-p L 4 l-60 t<40 lpga f PRO f-OO..:.80 k 1 I 1 0 k-~A;t j 0.05 0.10 O.l5 Q.ZO 0.25 0-3O O.SS 0-ua 0.05 0:-M 9.5S 0-69 0.6$0.70 0--ES a.aO 0-ys o,aC o-s5 t.oo O'R I Got:.SECQHD

).FIGURE 3: F)ooŽkespome Spectia far'erkjeA N~tAm, QSK and N 9appin I~~

kg I I~A g~~~t MACY*BI 0" EL M 6

jg-~~.@~VI c FK~C~a:1.5 F;L 50.6 A-.;";3"NR'JN MPh)c.8[wsÃf NZFJ RN 355-~~'H 8 BMUS%G 7 V S~VwO AWK a 5).A fiM 0 P~~~~-fy-.: l I g9'p~)'~~~r F~,~r~(O~)t i I k.=$i$I l'l t i,-iC 0-ZO 0-30 Q.QQ 0-~iQ O.GG Q-70 6-.$0 8->>-'3Q I-'00 1-79 1-ZQ 1-39 I-RQ 1-~iC 1 PFR I 00(5ECQND>F(GVRE 5;F'taor Response Spec".ra Ae Honzonw1.Nrectite, RE and Hev.69 l-EQ 1-7G l-.'IO l.-jt-*0,5.'-: Oampir'q

~o rot~~'~.t t 4 NMBVE<Mz;~, MP~3 HH3 Lg Hl54QA~8 Gk$~t'.ZVi:E (5!4~4'~5~'tea&Ma%V'1~p V~~P 7'l~I~V*O 1'~~~~~)~P 4 I.L w was aa4~v Roar 5!:-pea-=e SECTION 9~BEAU TS 0 The fan'motor syst6N spl"fAg coo Canis and nafurg1 feequewieg

~i e cafculatod, A ShCÃt)n Tab'te't, F11 enturo1 frequene.les are hbov~.80 Hz ftlcIQ'tng C4~~Y'Cfbl" assBNbfg Nh'feb$8 24.6 Hg.Th95A fi"e<>u~nc<es are at end@&~vs the r)0/d range of the floor reepon~e spectra, (Ffgu&t, 3 tb'F), f,e>>the fleer response spa<'.f;I"0 t,'converge Co She coARCBAt response value$Qtth Le'ro ntap73fkatfon Ot and above.20 Hz (qr Q,05 haec.), Hecaus 6'f', neural f'~v>nc)es are tn the rept'an of zero nmpIlfkatfan the fan 600m'os(em

[As 8Mfyzed using se'i$~~)c equfvaleot 854t~c loads.840"fn ffl TGNQ R8 C4 c43cu1QC@f 5fld 73NIC betlav'Iov'1DAg (f/Ch thF'0ig'trl of.sCvi~tlgth fov (fffferenf,'tNde$

i 086 setsmtc toads tR;r'e used to, catty'tete the values 6'faMe P.,$$nce the clast/c Iieet<~a~roe/send wk4h 0R 08K CvcftC'NRM FIGC oxc&Ade0 ckeo DBE s6fsNfL favell MM usod, ft,$g t'ibt.necesggqr t@p@pfeN an 08K grprsW<e analysts.

C f~~~~4 S s c~A 4~)4 4 o a.rJ&~~I'~4 o s.4 o li th o o e o oqa o+.$aa oa'o t I OW 1 I o~~~}oa'a C~4 li 4 6 o~~C Li&>+

~~k~P p~~1~'gjQgg g~~gggggC g$:Qgggcg S MCCOY YRO'POSTQXATK9 FAV~i 9ESWZFZRS UNXXR CiQCQMI~BElbVZXCl7)4 KXt)XT'US VXOQR FACT OP or SQEQ r~1 4~~'r CM rr lh~abaft;caress cheer I kteCer 8eeW~fM br'4~HotCc'Qx'~4 ff Cg bpQ Spy 5'aa Seer.fr@i Gad 5: RL~Q<KSce PfC.mghseereif bing,~".X.7$HSj.I Coepkiag Cofk Reek ehf1.Cube cab (ohmage Coil.Beak conj tabs amesa: Cgif, ZEGR coil, XiA 8%+~88 (vcgg+~XC4cQ p%X345'342.lj8 g 75 A 0 vT Pt Pf 2 0 0 7e a Q2~

7 i i~fC~~~'~~i 4 6'l i ilhgp 1 4 i~

secular~s COi'fCNS l GAS p Bas~~ugly~the se>Si~~c AwTys<'O~<<<:<~<

<~<<<~~>'~<<+~<~>>~t)!)cc')is ot4 co<'l bhAkt Chn Padre then Culpa}t.fbi m~x~}man eavtliqi~t<~

(989)lqgg<<, f j~0Ãb/t)ht'(GAL 9l'5tif'l Op<~~44'fng and sec)dont'loads ce'(lad foe fn the spec)flcbt'50fLS, ThG RbQVh Mk7$Y+Qih<A.6$584tt'qdqd SpeC)Red riQXIW4>04"8 The der)gt'lttlQt"Offal"4,$8 ACSQU@t6i Th8&fqr8, th8 St, LMGfe Ul'lit t l"C@C'tOt-'dntafnment, f4n cou1el se'fmlfC<<Chwtvtal fotegr$i~~and OpOeebtlfty 448 been dune>ski'ahead A Al Q4 44&Mrs EUCIB U~'lC Q 3 8'0~8>~'~l'+Ukl"4N~MLSe 1

II~t l I,'I R r hl lt