ML20127H537

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Informs That Encl Identifies Info Required to Complete Review of ECCS Reanalysis That Util Will Submit Per NRC Order for Mod of License
ML20127H537
Person / Time
Site: Monticello, Prairie Island  Xcel Energy icon.png
Issue date: 06/18/1975
From: Ziemann D
Office of Nuclear Reactor Regulation
To: Mayer L
NORTHERN STATES POWER CO.
References
NUDOCS 9211180539
Download: ML20127H537 (27)
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p-DISTRIBlTTION JUN 181975 Docket NRC PDR Local PDR ORB #2 Reading KRGoller TJCarter l'ocket.05 (

OE 50- 2 L OIGE (3) 50-306 DLZiemann BCBuckley RMDiggs(a)

VStello.

aorthern States Power Company TNovak ATTi.

Mr. L. O. Mayor JRBuchanan Director of Nuclear Support TBAbernathy b""I CC ACRS (14) 414 !.icollet Mall DEisenhut Minneapolis, Minnesota 55401 Gentlemen:

'the enclosure to this letter identifies information that we require to co::.plete our review of the LCC5 reanalysis you will submit pursuant to our Order for Modification of License dated Occerher 27, 1974. Sone of the information has previously been identified (e.;,., potential borou precipitation for P,G'.s, sin;;1e failure analysis), but hcs been repeated.

nere for co apleteness.

Sincerely.

02'Isinal Signed by:t Dennis L. Ziemann Dennis ' L. Zienann, G.ie f Operatint; heactors brunch (2 Division of Leactor Licensing boclosure; hequired information (ECC5) cc w/cnclosure:

See next page 9211180539 750618 pC PDR ADOCK 05000263 p

PDR R 0RE #2 Rp:OkB#2 c., na.s.

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._ DLZiemann n~m*

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.i$;m Mr N ic<t, 9 33) MCM C240 W v s. oc vsm* west eritatie.a orr:cs teu e2* its I~

fr Northern States Power Company -

Jt1N 1 S 1975 cc w/ enclosure:

Arthur Renquist, Esquire The Environnental Conservation ~

Vice President - Law-Library Northern States Power Company Minneapolis Public Library 414 Nicollet Mall 300 Nicollet Mall Minneapolis, Minnesota 55401 Minneapolis, Minnesota 55401 Gerald Charnoff Shaw, Pittnan, Potts, Troubridge and M:idden 910 - 17th Street, N. W.

Washington, D. C.

20036 Iloward J. Yogel, Esquire Legal Counsel 2750 Dean Parkway Minneapolis, Minnesota 55416 Steve Gadler, P. E.

2120 Carter Avenue St. Paul, Minnesota 5510S Mr. Daniel L. Ficker Assi st ant City Attorney 63S City I!all St. Psul, Minnesota 55102 Mr. Kenneth D:ugan Environnental Planning Consultant St. Paul City Planning 421 Wabasha Street St. Paul, Minnesota 55102 Sardra S. Gardebring Special Assistant Attorney General Counsel for Minnesot a Pollution Control Agency 1935 W. County Road B2 Roseville, Minnesota 55113 Anthony Z. Roisman, Esquire lierlin, Roisman and Kessler 1712 N Street, N. W.

l Washington, D. C.

20036 l

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-Attachraent l-q l

REQUI11!:D.INFOR'9AT10" and Part101 Loop Operation-3.. : treat-Spect ror 1

The infor.ation pro"ided_for.ccch plant shal1~ comply with the.

entitled, "Mininum Requirements-

-provisionc of the attocheC memorandun for ECCS Bren% Spectrua Subnittals."

_ 2.

Potentin) Boren Preefwita' ion (I"iR's OnIv)

The'ECCS systen in ench plant nhould be evaluated by the applicant (or licentec) to show that rignificant chrngec in chemical'concentrati'ons.

accident occur during the Icag tern af ter a lo: s-of-coolcot wi}]

not (LOCA) and these potential changes.have been specifically Tddrenced by

_ i Accordingly, the appl $ cent should appropriate operating proceduren.

review the -systen capabilitics %nd operating proceduren to'. assure that compromise long-term core coolin:; capability boron precipitation vould_notThis revicu should consider all ar,pectp ci the specific-;

follcuin;; n LOCA.

cualification in the LOCA environnent in1 plant'denign, including component The-applicant addit ion t o a detrJ }ed revic:v of operating procedured.

should enamine the. vulnerability of the specific plant design to r, ingle fal]urer that vould' result in any significant baron precipitation.

3.

..S_in_, ' e yailure Ann 3 vsis cynluation of the' ECCS should bc_provided by-th6 A single _ fM1ure apn1? cert (ar litersec) icr his roccific plan: Oc W u, w recyired by 20._...

D, ectica 2,,0. 2.

.. n '.m. err :nt; : :< evalun.ca, -

T a >

Apacat u s-to t he ef f cet-of c si.-lc fcilure or op'r n et crrer tha - c ar cs r".

a. ally-cont roH ', e? c c t : Gally + crated va:w to are t e a pe/.: f on On.t co:d.

3.

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,c -t.m r e a n - -

Nst ' ' c cm c c res,

i.src: ore, adverse;,y..;cct t ac :a t >

cer e:c!'icoib rpperten in thJ past.. tb applicautC crctim b,

.: n a mj-c

.3 : -st c.r 3.12 -

e u.ne nnw. a n t t e,. na c :. add rer s t,.u s cens ec rn ien.

of the ECCS vrivu ia; cr. curren ly required b'. t'ae pire: Technic'i

' ee 7.owcr Cisconnecte anJ any pronese? p!ntir S;ic ci fica t; e ' :. c

e tV Technie.C So ci:icc.tir
' n "i S t 'e' poi fico im and c5
equireJ :n erler te p:etect a p n i ns '. any'iens of viet y 'unct ion can ced 6

b Tc;, deu: ?cciticn T!CM I$

re A copy.cd Fra t by this t yx of :.a f rom t he J. F. ';ue' ec t hc gu!:: cry Conmissien's Standard Rev;ce M an ir c

at tache ~d to, rev.Je you vi h guidance.

The circle f aile.ro ev0ertica nhould include the_ pot entie:.l' f or passive failurer of f1 w!.cc.n ene durir c 1engLierm coelinr fellevir a1

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sier3e f ai2 urn of active conponenti.

F71 -- P2 ' pl an t s c-LOCA a ve e the. sin;;1e f ai!ure analya;s is to consider the potential beren concent ra-- problen es an integral part of.long tern coalinn. -4. .Sub v e r e.e > V.a.1.v.e s.. ~ abou3 d review t he specif ic-equiphent arrangencut with-- TheLapplicantdeter.aine if any vaRe motors within cent ainment will in his plant t0 The revieu should; include all valvs becone submrged f ollcwinr, a LOCA. -r'atern that mtv bereac nebnerged, not only;lthose in t he' naf et y. injection boric acid cou, ValveJ in other systemo nay_be_ueeded to: limit syaten. cent rat ion ijn t he reac tor = vensel during long t ei n cooling or ' nay :be required f or. cont ainment - i r.ola t i on. c. e -,_w , + ~. o tw. w- - + - -.

s. m: . + (or%licencee) is _to provide the f ollowing~ informatl ion. : for' 'lhe applicant each plant: (1) 'tiliether or-not any valve notors will be rubnerged following a-1.0CA in-the' plant'being reviewed. (2) If any vn!ve: notors will. be flooded in their plant, = the. applicant (or-licensee) is to: ) (a) Identify the valves that vill be f.uhnerged. (b) Evaluate the potential connequencen of floodint.for the. valves -Ior both t he short tern and long tern ECCS functions'and containment icolation. : 1he long t erm should ec.nsider.: t he potentia) problem of enressive cor.centrations of boric;acidEin; itR's. (c) Propose'a interin solution while necessary nodificationsinre being designed and inplemented. (currently operating plants only). (d) propose design changes to solve Ltc potential f}ooding problen. 5. Containment Pressute (PZR's Da}'t) The containment ure 'ure used to evaluate the perfornance ccp5bd ity of the ECCS sh 21 be calculat/ in accordance with the provisions of F, ranch Technical Pocition.C53 N, which in enclosed. {ce SSSS On2y) 3. L ~f Eccs "ef lacd 'a i e ('.?c s t i : Plants ". Save a 1:es',.nr.heuse nuclear st en. supD1y sh,01 per f ern their m~<- ? ycco.:ti: win: the p cper version of the e' aluat ion nodel, as define : -i m; (1) Ec :'acie: 25, 1974 versien of the '<?cstinghouse evalu;ttion riedel,-..e., tac version w# theu: the modifientions descraped in- CFMil is accentrble. cr prevleu9ly analyned plc.ns f r chich : the e d c:ai ' eme rn

  • ve t urn.reund was identi f cd prior te. the ref3 b T,'te der **CCSin,,

e l e'.' 1,1 i M Che r-Der 60COnd Or for'Vifehl' the refleri r; : e u ide;t-ic! te rena n abeve-:.0 ne t secend; et J1; fens f or s ;ich t he '~ ece?wr 2 5,1Til. and < arch }},. l Wi[ VtTsiC"' VeU2d he er iv, eni. (2) ';Se March 15, 197~:vernien of th_c tiert n",haune evaluatien *.cce'., -is an oceept able ~edel to Sc' used fers all previously nna'.v: fed plan' ier which the pe? clad terperatere crnaround u.- ide ti-fin to occur niic; the reflood ra:e decrecced helee 1.1 inches per.'eCDad, a?: fer whiCD "tcan cPPli'!% CoaditienS (ref 2 cDd Taf.e-lem t han 1 inch per secer2) exis: prirtr to'the time o: peak clad-tenper..:ere turerre ed. The " arch 15, 19 M version ~ vill bb used f er all fut ure plant analyses. k S

,~, ~ M1! 1Mt'M RU'"1RDO'.::TS FOR ECCS'BEEAR SPECTntN SUtM1;TALS a =. s .I. 1! TP.ODt'C'T10N The following outline shall be used as a guideline in the evaluation of LOCA break cpectrum r.rbmitta}n. There guidelines heve been f omulated f or tor deci;;ns only cind nust be re-asnessed when ncv reactor cente: pornl y rcr concept. are subnitted. The current ECCS /.ccept aar e Criteria rer,uiren t h,t ECCS coolins, perfortance be calculated in accordence with cn acceptable evaldativa ne&l and fcn a nu::ber of postulated loss-of-coolant accidents of different sizes, J ocit ien n and other proper!fes Lufficient to nrovide-e s.b_ence thr.t t h e e n t i.r..e_r o_e c t r.u_m ~ J e._c_o.v_e.: d. In addition, the of L> o m...W__n__t_e_d_ _l o v.- o f - c o W :.. a_. a_c e i d s t 3 _) cast three valuco of a dischar calculation is te Le condutted with at these valuen rpauhing coefficient (Cn) applied to the postulated breah area, the range from 0.6 to 1.0, Sect ions IIA and III A define tbe accept ah)a break npectrure for most operating Sections '1B ar.d 1113. define the-plants which have received Safety Orders. break spectr"n reevirc man '9r aost CP and OL ca e cork (exceptions noted later). Sections 11C nnd l'!C previve an o ut l 4..e o f t h e *:.ir. mum requ i r ce:en t s ? for un acceptable coM ete brc ak spec' rum. f.uch a ccimplete break spectrua could be apprepric' e y : _

  • re::ce: by ce" pinnte.

Sectienn ]IID and 111E provide the exceptions to certna plant 'ypes noted above. core s:!21 br preitc"d v nekit t ed all ' Aolm. (ue te relcad a " e t icn c ' 4" a ,o ,. -.,, r. 3 9 7 :. "i-t : c:t n e nc ; e si'. (e; ha by re'ere",c c er by se.14 .o e to r e pi r.c c c: y; ':cd

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_r the rc c det:: (no w eb Tic.. Ceslen ciffererm'.which ce>>< feet th, a2 c- %..nu'.de pe: ' e r r c r e,: ', r n c. If the Licentec ra er.ds cc re :n cenp2;;'re.cith prec;oun:y copreve? Technical t e epera te the re ?.e c ci Specifications, no - ntirre' calcu] T::ena are required. If the re!ca?'ce:e c'i r c. g.; ha s chan U d, '_ w n ee sha): ndopt e.th : of Sect'.cn-I U er 11C, er c : 6 " io^' i or !11C ci this dect T L,.: cpprepriate to the plant t- >c (RW u. e., d. The c:-'e:icn fc: eM nb? tchir:' "het her e : graph.A or C shall be sm sfied.eil: % de:ct.incc cin the banir of rhet h i * + Licence en, Acrc ust rr t e t hat the GNpc of 'hc 'CT v^ rc ?rcak sine curve has not bc on modified r e a cencitwnce ci changes t o t he r e: cad c or e ci ti r.n. k":' e n - the re3 cad is supplied 5y a source other than thr: 'BSS s qplier, the brec' specif:c? by Sections IIC or 111C shall-be suhnitted as'a spectrum analyse" te the pinnt type, BWR or PWi;). Additional co sitivity: cininum (as appropria:c studies nay be required te assess the sensitivity of. fuel changes,in ruch areas as siegle failufen ant reactor coolant ptep perf ornance. f - 11. Pm:SS"nIFb icM".K MCTMS A. Onora tin _ e Reac t or' Rc an._alvr.es (Plants for which Safety Ordern vere. issued) If calculat ional_ chan es' ve re r ade t o t he - LEM*

  • to r.mte i t.whcJ 1y in'
  • Calculat ienal chant.eshW channen-mhore revi: iens nade te calculational technjques or ind p:n ' wiers uM for the ref erenced comp]ete spectrue..

i' r t[(a .o e - g I*

~ ., ). ronformance L.h 10CPTOO, Appendix K, the f o isinn ginfrug numb'er of bre.sh : Each r,ennitivity st udy perf ortned durinn' the f [ nizen fihould he reannlyzed. of the CCCS evaluation nodel chall be individually verifjed ar. I develop e nt r emainisin. oppi tcable, or s, hall be repeat ed. A plant taay ref erer.t.c z a break if it is the t.acie configuratitini spectrum analysin conducted on another plant I 1 and core det. inn. a ,lae requitt in the hirhee.t__P C_T_ t 4 1. I f t he la rpt.t b r t n !' b P.ennalyze the Ifalting brcck. a. Econalyze tuo r.naller brsahn in the large breah region. b. P 2. If t be intreet break site doen not result in t he hiphr*st PCTt 'E 4 Meanalyze tl$e 31uiting brech, a. Ecanalyze n break Intger and a brenh trialler than the limiting ' b. If the liniting break in outcide the range of & cdy brenh. niulti;0jern of 0.6 to 1.0 (i.e., leu than- 0.6), then the liciting i bnah plus two larger breaks must be analyzed. If cniculvtional chanren have been nade to the SDM to take it wholly 1in adall_breal-: conferrrmc c with 100: J.30, Apperid:' E, the nnnlycir of the worst (St") as previour,2 y det ertined f ror, paragreph C below thould be repeate y,, .w y e. p .4... c,.. r....'.. n.... should be previded in accorda nce with pan ; r4ph L' A r ce.pl e t e b r ech spn '. r e [ beleW c);C ept f01 the felleVinE' e in cf the tre r;eneral fesign ns the plant. em d ar. a 1. If n.new plant for a referented cemp'.cte r,pectrer caJ ysir,, bu: crr~ q 4 b a n it. paranet ern bnyc. chne,ed which vocid in n noe PCT cr netc.1-wn:cr* F... L' P ih Me reac t ion, er apprned en! cC at ional chan; es redolt in*tc the TCC chnnge in PCT havc Nen nade tScold be provide. I complet e rpect rue, the analycei ef - parceraph A chace 5 21 - b r e,- k! (S}M), one of which irJ-the of three F: plus a ninir.r The ok pc of the brenh specti e ; in the ref eren' ecd trant3 tion break.* includ!ng the-analynir should be jur.tif ic a as remaining applicabic, used an a basis for the ECCS cvaluation todel. sensitivity stuR8 (configuration end core desidgn)~ f o appljeable t o all-i If a new plant i 2. generic 'studica beccone it -is the sar e with respect. to the generic-L dpign end parapeterr used as a bar.f r f or n ref erenced cor$ctc; opect rum defined in paragtnph C, and no calculat ional'changen rer u; pinnt in nore t hm D"T change in. PCT vere r.".de t o t he ECCS hodel used f er the ref erenced ' completc spec t rub, ; then no new spec trum analysen ' are= required...The nov plant may'instead reference'the applicablc analysii-2 4 4 I k e a vn. k i

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_m,_-_.... m.. _ _. 3 i C. Minin_.u_o b. qui rerent n f or a Comniet c treak r. pert rum = Since it inexpectedthatapplicantnvillpreferto.referenceanapplicablei corplete break t.pectrum previously conducted on another plant, thin 5 paranraph defines t he rim-'in nuaber of breakn required for an acceptable roeplete break cpectrtm analynin, ar.sumin;; the cold )en perp dir4hnine in estchlit.hed as the vorst br eak leention. The voret f. ingle fa!. lure and voict-rat.e reactor coo? ant pump stat us (running or tripped) nha31 be cotablithed ut111:!nr appropriate cennitivity otudien. These ntudien should shw that the vorst singic failure has been juttified at, a (unction ! of break cite. Each u ns.itivity ntudy pubid shc d durinr. the development ' f of the LCC5 evaluation r.ccel

t. hall be individually jettified no re: wining app)1 tab}e, or sha)1 be repeated.

Also, a proposal f or part in) 2nop operation cha)) be qupported by identif ying and an ilyzin;; t he vorst brech t:ine and ]ecation (f.e., idle loop versua operating ~1 cup). In addit ien, suf ficient justificat f.on shal) be provir'ed to conclude that the chape of the PCT versuc 3rcuh Size cur,c would not. he binnificant}y altered by the partial Joep configuration. Un) css this irdorcation in provided, p hnt Technical S;iecificationr. srall nut pernit operation with one or-pore idic reacter w;) ant punp.. It taust be 4enonst rated th :t ths containment design _uned for the break crectrum analysin in apprapriat e for the t per i f i c -- pl a nt annlyned.. I t' chould be noted that thi n ana:yrJ L in t o be per f orned vit h on apprew d evnluat son ~odel wholly :n conf ort ance with t he current-1C05 Acceptance Criteria. 1. LEM--Cold 1.en-Kec: tor Ceekat,pu m Ditcht.vge n. 'Ihree neilintine type breaks spannine, at 1 cast the range of Moody r ult:,pitc rs betwen 0.6 end 1.0. b. One split type brc h equivalent in n ze to twice the pipe cronrrect ional area, c. Two interpedicte rplit type breakn. d. The large-breah/n.all-break t rant it ion _ split. 2. LEM--Cc3d Leg-Ecacter: Coalant Pump Suction Analyze the larr.est break si:;c frem part 1 above. If t.he analysen in ~ part 1 above r.hould indicate that the vorst cold _ leg. break is on-interraediate brer.i. nine, then the Intnect break in the purp nuetion r.hould be analyzed with an explanat ien of why the same trend tould ' 4 not apply. 3. Lil?!-Ho t Leg p'iping-Analy:e.the' largest rupture in the hot.len pipint. I 4 6 = ,*,,-,3.-,,i,-m.o s o.- +.,,,. .,.~% J,._,.. r e m.- r b ---- .mw,-m,,-_~.Lv-,-y, y ,m,,--%w--., r,re,,.

I s 4. Sntb-Sp11ts One of these brenhu tnur.t Analyze five dif f erent unl) break cites.nc CPT Ifne break r.ust be inckde the trannit ion rplit break,Ynic breah ray also be one of the five ana) y r ed f o r N.'.! p] 4nt n, r scal) breaks. 111. To l h!':C VATM PGC"M$ oplit The generic 1.njel dcVeloped by Central Elect ric for LW. proposed tha arc ortu; valent in deterr.iinint b)cudcam phenomenn. end t.uilintine type bre..: was acctpt b2c and thet the breet arca rany be The vtnff cone)udtd thist.be vesnel on.trJe with a zero 1<pc coef ficient uning.n t wo connidered at Chant;or. in the brcnh nrea are equivalent to phate critient flow rndc3. changes in ibe P.nody raltiplier. The.ninir e nuther of breaks required for a crenlete breah spettri 4 batic necident nr r.u:oj np a suction nide recircu)nt ion line b1(ch in the desinn (DI:A) and t he vnrot in pararrnph C bdev. Aho. n proposa) for the wornr nonsitivity ntuJics, 1.re chovr r upport eG by ident i f yinr, c.nd ana3 yrint: partial loop operatica shall be(i.e., idle loop vernun operation loop),. In addftJen, the ob s pt,- of.t he: brenh t. ire e n t' jorttioa <SMI be previded

. conclude that r.uf f ic ient jeriiiication be nip !.ficant ]y cit errd by th partial PCT verr.t" ta..; :ure curve'vcrald.*:

}nnp cef f . ion. P: m'

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r pec if!ce' f e m f. h 12 n r I ree'an: pO". ' ;r v2.ich baf et y Orders a re it; sued ! Li"!?. %'..T. t nd.. _. M. _*ter w !_'.._3<_ ( i'l ant h A. 4* 'I parapra;. C belev. :St f ellm v rink t ~ atr '* c: ef bi ta;. sine 5 3 I r e. O A s / a'. It is t o be no:c e : sat M l d Q ut r.n;1y r ' s in t o be pe; f s r Vi!I. Du.'"? levo / c'. " _l h. ! $ 0D ?d "Iidl1y ID C CI ?rkiN O V$$b A pS M t y reference a break c,*eria. 1.pertIi . 9 3 ) '; ' l f f On4U.?! E d er Ondther p'. ant if il ib 'he U. A-? ' i Un f f + ** Tal f C'

  • ": r c the currest FCG i

1 and cc:. derinn. 1 aC I beSb ( v.k [s t $ fub1ibbil d V I f D *, th eVelDpIINt of (he ' 'CCh evaluatica reJel shill be.ir.d via a32y jrstified no revndning applic'ble, or shall be repeated. R 1. If tbc larcent break receita. in the M nheat PCT: brC)d VII),-tkle appro{rInt( refcItrlCOd ne Ne aMa17 t t' tlte kIUi inO ningle failure. f onall brent vith the appropriate referenced b. Rennalyze the warrt j ringic failure, l'reaN Vi.t h the fiinp.30. f ailure and 13OdC3 _7 C. P.ca naly re ! hh transit iOD that predictr the hir.hrst PCT. .t WN s eam w

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s 1 \\ ?. If the lar1.t. break h e. tot t r+.u l t in th( Jebent T'CT: a. heanaly*.e the linitin;; break, the ) ni p,e t t break, and a tx: aller brent. have bc en t.ade to the SBM to rahe it tholly in 1i c alc ula t ic'u:) c h a n""!. f.r.all breal. (Sid) in c onf ornemc e wi t h )(. C.%, Appedix r., ter.c.aly:'c the at(or c:am e vii h Se t.i en 11 ) C. E, ", a C p i: r ' m. Ct. o. m L tion 111, Lho ul ti be provf Grd in accordante with 'A r A c or. p } e t e t r eid. t p o r t itr. p.rar.raph C be}cv, e. c ept for tL' f 0110v5 nr. p.eneral U ;f tn n'. t he pl ar.t taed o n a 1. I f a w. plant it of the tre b a !..i : for the ]crd p'innt r

  • alysis, but oper.:t ing pu at et ers have t hem;td whic h m ai) im re '. PCT or retal.nter rer tien, or rpproved in eni c ul a r i onal c h. - n.e: have been rade to the LCCS r.adel result in t he. r 2'/scr of Sect ! on 111, narn:'raph A r;0re thtn 20"P c 'n npo i n M 'A.

nhovs should be provi<'ed p2ur. a r.ini- , of three tc t } } b' c e' ' ( S *"!), one of wh ci. J' the t r e.n':i t i on b r a r, h e chape of ti e br( av f.pect ru:r nhould be ju'tified.' r tar.i ni ni .u.,p ) 1c ab l e, ) < m' ;d m' . n:: ; in the the ECCF, includi: ', t he mesit ivity st u'H er. uu l an a band s f or eval u's t i en t:<od e }. If a new

  • '...t (c;.iipu.'ic or core '. m, - ) is opp]itable to all

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i the Jeve' ept requ re tti +'

t. n a.

M.c ' st : iv' ...iv duilly ju::ed ' re:4.icinf. D', of tin C' a a Ai e e' f b,11 rep"atsi f.pp) i c. l e, 1. Four ret sreulatfea 1ine brc,cr. at i h e ','o r t.t locatict (purp

  • un irr or diinhar,m 1, u..

the LOi, cover.ar :he ran f ren the t rcn' it ion1.0 brea' ('19) t o t he 10A, including Cp coefficients of from 0.6 to t in:'r. t h c P S '.. nr.i!r the SI M, covt rin", t ht-r a n ",c 2. Five retircult* a 1:nc b. c. fror the n.alle ; 1:nc bre.G. to the '. V0rbt ringle fai)UTc! The [O130'Jinf,hrCah locat30Mr. aS$u;iinp, th0 3. n. Jargert ste;'line biec1 b. l a r ge!.t f e c<h'a t e. 11ac break I l ~~

i L l L

t...

t 4 -i Inrgent* core spray line break i c. Inrgent recirculat ion punp diccharge or suction break (opposit e l l d, t.jde of worst Jocatfon) l D. lxP4 with "MorMffed" ECCS I f.tene an Section IIIC. + } r. 1.l. _:n_% -i i Sn:::e an f;ection IIIC. . j r. .I.N n,.6_. I Sane an' sect ion II10. IV. LOCA PAi:Gr.TEPS Or INTEREST cnd for each brenh analyzed, the followinn parareterc A. Oi cach plant t ine unlens other.eite noted) should be provided.on engineering j (verou: graph paper-of a e,ua)ity t o f ac i}it at e calcu)nt innn. I --Pech clad torperature (ruptured and unruptured node) j --Rentt or vetcel prem.ure l --Yescel r,ud derncener unter leve) (P;T1 on} y) --Water level innide the throud (MTK c,nly) .) -i -\\ --Ihcrr.al power 1 1 4 ~ Cont ainment pr essure. (1".79, only) 'I a. ror tbc vorct drent analyred, the fon eving adc5 tic.nal paro.wter.e (v e r r.us !$m untenn otherwine noted).rbculd be provided'en engtaceranc, f,Taph'phpfr of a (;UJ ) it y t O [ b c #.1 i t a l e - C.*? l C u } l' t i On S. "Nic [orht !!iDf,) U I worst-case re.utor'roo} ant pung st at us will have been - l d failure an est ablished ut ilinug-appropriat e sensit ivity st udies. 1 --Flooding rate (PG: only) --CeTe flow (fulet and cutlet) --Core inlet - enthalpy (WR only) --llcat t rant.f er coefficients ef -i --MAPL 1;GR vert un Exponure (!;WR only) -t } i ~~ React er' coolant temperature (PWK only) --Mahn re) cared 1o cont aiur Oilt (PWR_enly) ? I --Unergy relea.ed to: cont ainment. _(PUT. only) e ? L_ ll ww w ...m.- .........-......,..~.....,....;....,.,. ..,n

.. - _..... _.. _. _. _. _. _. _. ~

7.. -

1 \\ . --PCT vernun 1;xpor.ure (L'.at only) --Containment condenning heat transfer coefficient (P11R only) i --110t spot fle's (P11P only) --Quality (hottest nr.ne b)y) (l'Lt only) --llot pin iniernal preccurn --liot r. pet pellet nverage temperat ure --Pluid t enperature (hot t.cr,t noser.bly) (Pkt.caly) I A tabulation of peah c)nd tenpercture and netal-vnter reaction (local C. and core-vide) nhall be provjded acrocn the break cpectrue. f;af( ty Analysic Ecport s (T,ARr.) filec' vith the : PC chall ident ify on l>. the run date, version nunScr, and version date of the cwputer each plot ut i]i::ed f or th, LOCA nnalysir.. Should differences exist in unde) versien nur'>er er verrien dato froa the rust-current code lir.t ings rude ava!.inble to the -NRC ntnif. then cath taodifien; ion chall be identified -- vith nn acsennment of-inpact upon PC, and r:etni-unter renetion (local ~ and core-v!de?a i A-t abulat!on c.f 1Ir.en nt which cirnd ficnnt event c occur f, hall be E. provided or cah picot and f or e:n.b lireak analyred. -The f oMcwinn eventt nhal: bc Jncluded n n nininun: t --End-of 4ypa rn (F,' enly) -beginning, of core recovery (pip. Only) --Tite of rupture I purpr[ uncovered (!n:R only) --Jet --MCPh (ti~1 caly) i --Tirw of rat ed r. pray (Bk'R caly) --Can ' quench (D'JR only) -- End-o f-b l ev d o'. n --Pinne of int crest uncovery (D\\d; only) 4 3 4 ..O e ~ =. - =~.. ... = - -

4 i I i -l 1 f 4 r Possible grouping of plants for the r i purpose of performing generic as well os individuci plant break spectrum antlyses. i I .k .f 4 i 1 + I t I h I 4 i . E g a t ll 2 $ $ $ 8'] {t. 'e# *{b 4 i

.:.-..c:=w.:.

i k* ? d

  • A44*

k[*r 9 F /*,8 yav j I fs i t a t j-i I e N ~ F i' ? e r t \\ -f i. I ~_ l i l-t l; A \\ 1 + b i e' >w'SN ew e .v ,,,,,n,_., =*v-mm- -es,n.,,,,.,,,,,., e- ,_'.,-,,.~.h

l-G[NEP.AL [LFClRIC "3 pga 2, Oyster Creek -- LP* C g picte spectrum rcouired. (111 A)' Hine l'.ile Point -- Reference only required. (Illa) N,'P.- 3~ Quad Cities 2 -- LP* 0512 30 tty tr e_y m irpA. ( I l l <'s) 2bil je, ills tone -- Illa - 3 breaks required 2011 lbnticello -- lil A - 3 breats re :uircd 1670 Dresden 2, 3 -- lilA 3 2977 L lby refertnte LP QJad Cities i -- lllA ') 2611 Pilgrin. -- Ill A - 3 brecks required onn s/O , f, Without fix Hatch 1 -- LP* [El>1'.t n t n e t r r r g "> '.. in .t_s. 4- - - pg 3,3 h ( hg g 4 Ferry 1,2,3--lllh)[ D77eierenc t ve e 3P97 lireem 32 0 ce7;... -- 111A ') y:,u k----- f,.; ,01., o,,i,., r e.,.. : l.,,, a .a r .m. ,,e ' A 'S fitzp;triCl p,3 9 j Ma*.c li '. '"3y serve nume Arrod -- m A - 3 ere n s ro.nra s, rg e,.emc c. 1654 gatch p -- Illa ) ior the others, g y,.y ) 3.-._ Drun?eick I -- lIlb ,,., b (. ' t.' Sh ore!) r -- 1110 Ferr i -- lil C Wewbold -- IllB 9 - e musam e 4 k

  • Original brec'; spectrum not wholly in conformante with 107R50, Appendix K

l '!!A - Con 1M r. snoctrtei x Brunswici. 2 (Lead Plant) I i Ot!R-4 With r_eo u i r e o. + + f ?436 ~~~ Vermont Yankee . Illa - 3 breats required (Lecd Plant can be referenced, if Brorens Ferry

  • 1, 2, L 3 h appropriate) 1593 4

See preceding pace Peach Cottm+ 2, 3 L Fitzpatrick* ) rervirM. lilE - Cornlete stoetrum BilR-G l.end Plant 1110 !!ine liile Point ? Com? ete sptctrur re uired. l (Lecd Plant can La refercnced 1110 by other [J.lR-5 plent;, if Lc5311e 1, 2 111D appropricte.) Bailly lilD Zim,er l i l D,) Susquehanna 1, 2 - 111T - Comniete succtren recuired. li'R-6 Lend Flent Grand Gulf - 1110 - 1118 01ccL Fox Barten 1, ?, 3, 4 -- 111B t (or aleic :.pectre ' rc ni red. (Le: 'v ether -- 111D Plar* can ne re<ccentod Jerry 1, 2 / BWR-0 planic, ; ' appre,t;eie.) Clinton 1, 2 - 1116 -- 1110 Douglas Point -- IllB llanford ? IllD Skagit 1, 2 lilD 11a rtsville 6 -- 111D Somerset River Bend Station -- 1:1B Allens Creek -- lilD s + liay or t'ay not have the LPCI fix 0 " Original break spectrum not who',1y in conforrance with 10CTR5 Appendix K. '~%~u,

4 Pt AN.T.SDt C r..!. !!!A Complete spectrum required. Oyster.Creet a a a JIIA liine liile Point a a a Limerick 1, 2 - !!!B a IIID Hope Creek a a - a Illa Itumboldt try -a a a IIIA Dresden 1 1 a a a I))A Dig Rock 1 4-6 4 4 p b r b b E - k 4 5 e 4 E D 9 . [ u 9 4 y u.... --.. . =.... c :

_ - - - - _ - - =.. - - - - - - _ - _ - I i i l l i t Westinchouw i i i I Oreratino limtors (L-f ety Ordr>r PlenM* i i 1-f.-loon 3-1000 2-lonn i~ Surry 1/2 Yankee howe-Ginna j Turkey Pt.-3//, IPE-Kewaunee r - Pt. Deach 1/2 H. B. I:obinson 2 D. C. Cook 1-l Zion 1/2 l Prairie blend 1/2 J t h t') Onnrntir.c t.d censc+4 + /. - i n.e...__ i 3-ir on ?-inw 4 = ._.._ _..__., _._- T r o,i w Detver Valley i j j faricy 1/2 j - Sales 1/2' i-l.' l North Ir.nc 1/2 l - Diablo (.r.yrn 1/?..t - -m }P-3 D.C.CW 2-l 6-P,cGid re 1/? l-t l Sequoych 1/2 I

  • 3 breds rec,vired (11/,).

One plant may reference another l 1 if applic;bic. ne plant nay reference another o

    • Complete spectre, recuired,

-if applicable (see paragraph 110). 6 t f t d d 1 ___.._,._..._........_....._.._a:

l 1 l Construction Pemit " f 3-loe .I

t. -l o on_

.I- -- -.-.n-2-im.. Sheron Marris 1/4 Dyron/Brai N od 1/2 !: orth Cent 1 Cctcs/n 1/2 f.t, num. 1/2 flohtir.g hutlN.r 1/8 Su::.nzr 1 =.__. Jamesport 1/? Deever Valley 2 Scal > root. i/2 i.'isconsin Utilities c,.. ~,b l u vun I 1 1 South lexas 1/2 \\ l l Cor.ancne Pe:4.'i/2 l 7 _.. __. _ - _t,.. -=__.._.._.!..-__ 1 si ".: 11 $ r " 1* iif e i _.... ~ i I'.i l l t ' '!! J $ j l j t . __ _.t _ _ i...___..__._ l Veg 1e i/i - ~ _. _. i i Compl et - we e t n ~. rt.qu i re d. On3 ph r.t "7.y reference cnether i f E t';'l i c i' bl C' (500 th 'P [. r. f ') j. l' ). -~

e-4+4 ud SA4 hsd im.-HJ-Jbf4-*-dei 7-*54Nwi-#.maeA*WueW*Rb dM. M. M 4-344 ai-4 4-p M 4.-Ju:'.9E-*MdGJ-Mh4.-444 % A'Me-- de A4WShdO 4 M'AW A MMdJ h-* ^ ^ ^ e hJ$u. Wh h hem. mia__.4m.aah.A.aiik r I 4 i 1 + 1 7 k I { (l!M41((lei](,/l Q.]l](d []($U )[j - i /JillCtllVi CI TW $1'O'I T ll'JM CRMiPW.10 P!J.%llY.Cf;*il!1 MD l , (L tC14)(,'!.tv.G'BMID YAtVis s I W 9. 0 'O. f., Phere e t. ingle Oilure in er. citttricti Sysite ten revvit in iet$ of u;Miity to perftrti l 1 Lit i' neu sss ay reprd-t ufety f ettics, the ef fect n 11c4 soft ty t vst la evaluated. 10% of t Lt it' r it.0 lctt of Sciety functit$ it C44f d 17 c (O' p,;r4 td feilfr.p tt fcrfer" a f reavisite r W :dtel rotion, or t y a w per.ent perf er*.ir) M ur.desiirtile ' ecWiu1 e sticti.. e i Ilk h hhh k f#. (% I! i.e$ M ( ( ( h ',8 ) ity o h( $I!Ic(k 0) fhd(I th (1ef $Ii(E1 (f[7ent(e _ } of e fluid syste. ts cce reer.s of testvirg eg*iMt c Sigle f ailurt 191t'i;M uusoenun-IQic Uevitict$ ere bOS(f en ti.e etsrotip4..tQt iM cr-l?nent-(0% if etile (c';P,t rit # C'.im. is then twivchnt ic e sittler ccm cr t tut is et :t si(%d f or eleurf t rl ;Mratt o, e vain t%t (co te (;cr4 e or (It'.M ely by c'irect < awl c reratim M the nive. e.rp, 1 hey cre ein tast: en ite ess o tica, thet to stryte fribrr cm tott retterc 1..er to the tre < *c c trivi-i ciectrical 5.v5trm and teuse ecunical nii:n tf P.e te pants sened tf ite ulitity o' t%ie es5t.*dt6.s sS.wif 13 vc rifi(4 de N alyin; !W redt f en. f e tystre a y f, e I * * ( SI

  • 1 ( l'
    1. [8 l [ $ '.*%

f., '/ ' ( h b ! kI h e [lh ( 'l h l. b b I, [I h tI b r[ - b bb( hh' hU g f ulves t%C cU er #1 W sy$ W ter, N 5' II j c(A pe*% in rit trit el Syt 0* 5 I t (' (t#siftref w fod.j t.: ctriu' ( tit *,it f/ flu (, oveq 1*> r t tre c'.sc ce c t9r flcid 5yttt+ ceW ent 7y % t te ceilt v,,7 t-f a ti( 5 'it 3 g i '. t r. $ t f t : -. Cf+rti tr91 d S c4 Uf 'M e. ?, Ohcre i', is ceter*ited 10,31 feilvre t' in_elC;iriC?! Sy$tt~ (c'Tfr.ctt W fW hfh6 k ' i. Un b r4 I(( rN ([ he 00 h a he c ee c - V lica 8 4 ratie, t esats in vss of m svm wcy % le,, it 15 untmte. 1% ( Wiric ytteg. e desi(n cMn;cs tMt alsa r e,, be nttet:bie. t; ciu.et:t re.de tt l~ of the valve er ett:r fluid syste~ ccTe'wt. 1 r c vi t r,1 fr Wiicci $ N:caticev s h 'n $* inclufe e list c' ril electricc11y crereted v&ives, av 'ite recuirtd enitiens r' these-l Yahrs,10 dich the s ecoircet fr" rewel Of clilctric = p0wer is 27plit t in OrtW to i ? ) i ficetriolly e w rattd valves th R ere cla51.i'ied es ective"Valvs5. i.e..gcre rcepirec - > u i 3. 'ko efEh DI ( (be in Ydrkedh Is ekf syh ( TeIak 2D eC N'. c ke bk IIf U nN11[* -$vch valves ' ?y rot !+ centro 11c6 55Nid be operated fic, the r.ain cen:rel rdom. inclu&i emmg thote valyc5 fronAich,oner is tr avett in orter to rect tbc single from the. icilure t rit(rion niess* (t) ekctrical po -cr can be rcMered to the uhro, n.,in tentrol reen',(b) ulve operation is-net ne(essaiy for at least im r itwies - felic.<ing cccurren:e of t!.e event requirina such operation, and b) it is cemnstinted . (. e .7A P7 -c i ?

m_______,

rm-e-,,,,n w,...,. _, _

+ e ^ $ 4 'O-that there is reescr able assurante that all facettery eperator actions will te per. ? ~ forred within the it*e Oc.cn to I,e oceavate t.y tre analysis. 1he pier.t tec6 9ttal st4cifications thaulc inc1pte a list of the required l'ositions of r.ai.vally.(cetrolled. i electricelly.c.rersted valves t.fid shav1d 4tt ntify those valves to which the tr:,vire. l rer,t for rerovel of eitttric sc er ($ t;71td in order to ;ctisfy the sit;1e feiltere j 1 criterlon. +

t.,

Vhere the single frituve criteri

  • i s tat isfit d by rcr > val t.f t it :t rit21 't e.,er f r t --

valves dntrittd ir3 (?) tr.d (s), a' o.e. tttse v.shes shavid have recsodant g osit ten it.dttetien in the : Jin (t* trol ros-erd the t esition ie.ditatics $fstir t u vid,iti. elf. r ett ti;c singit. failure :ri'erton. 11.e prese *elec trit elly c;'ers ted valves" tec ludes both vtht s 0:cr e ted t'irectly tij co ' \\ cit t trical device (0 9.. a ~ tic r.ttereted vehe _er e.$olcnoid ot erete d vehe) tof those velvts 0;t ret (d ir.directly t-y en cla triul devit t (e.g., an air derau d valse W f e' r sp;oly 15 tom,f olled by :n ( loc t rit al toler.0id vtl.e), l. l.lif WM 8 1. thet end.n tr. k. C. Mor.g and V. /.. two f ro, t stello, h teter 1. IM3, 6 t 9 e G r 9 Y 1 I I l I i ll l4 ?A ;T ..m.

4 LP1'Ot 1(din 1(t,! I D",11101 *,$1s 0 1 1 r.)?, m ' wa l l'., foi i: t W T.! W It ...t..,.o,<. i., s-I s~,. !., I,.,, <s t I.. g.,,,, rci c a rr;.i.1.in ? c ' /,:, _ m t it )? Ui: 1crt L? (f t f.1) u vit e*. it.a t t' e u t e t! - at l

< >. t r t w f t c. - l.v i'. t'
'f: e n c.',

' ility c f e ; rett.eite v.' ' e r r e u *. t r (i. 7) i / ter nt u tly 1: r (! : 5) v.:t ta u t ! c ;i t,oit e t alc'ilatef c< < t r < r r.r (. ro c < sl u7

  • 03; r.ir, : t 11 t u t' :-i it: ntts that t' t (.iccietion it.: 'est tfc.ff<:*s c' errt e cf

'r i<.*s r M Ji4 a ssr s, TM ref c re, t'

  • f(ll:31 4 prcr**

c11 it: t/Ilt!..<u. '(.rtf cr't rita ef iri' n t u t. >icci I M i t i'. > La s ' t o c. s ci : t d t o i t < if > p i n r : e i'. i'.: ue 'tlysit I?! i ;o r0c : L c' tritqd { pit, g ; ;. l i tt c ril, * ; l' t l ' '. t. ( ta* i ir-e t ' '. r c I n i,tet t: m -: t t i r _ u e t (, c h at )( t.- ' t : t t e i t e-centeif. e<.t fc tuc u l ce aptity

  • tis Of c if e8 tt.

(.slv3 tit - (C ' !:11' 0 C d' t ' i ..r *. a.. i.r t..... .t _va. '.'.'. ', r 0, '<1 2 1, I r p.;: :> <:. }.q. i t r.. '..n. < q, 4 l ... c, .,+ .tc e 1., .- -- (c..

t.-

l s -it i

  • 41 c.

,-tir;' t

r Ti. it s

-oi + t<_ T. t 4 s '. < j tt: w t. m.<...~ o.. . 1 te-t'. /, to-*e . >rt.ir ri: 4, t. c, ( 7_. s <.<c 1 U.:,o 7._

  • ne.

-r-s vt t: qc-s.: cm. 'is i i $2' - en2 v;' s P " fr. t r -; -

r tt h s'

I c.t. r i r . ers, sir... :. c ' ii < - < '. c t a.a ) se-c3 ;., a, e s e.: rn'S s t n.- ir + j re; ;-,

  • e.

i tlc ( t p,v .t veh c i.. 1 l i 6 i k ?, /.c tis e n i t '- I e, R..z*f.. ' eM o 3 m trm ) 'es t.:re c c nti ! -et v ri i r :.nl syt tas lie c;wrci m ei e!) t r - ~. ci t s t.: ' o '. 3 t ni s: rn cterzii,- m.-t.-:trem A c: : s t, ; i. e, w i t n c.11 c : 4 '.'" c :'.er vets t reins or t. tir ' t.u i-m fic. cendi t or s l',' < il t ' c *:3 ) cicretir;, w.M ' c e m 4. In t:' tier., U 'ini e tc- ?c-vrt cf itc stered t wit : sc;d ic d to t'.c (On utor te r ttr < ;o n c e$brc spie, t r.t t% coalit ; Ltic el s;'e if ic *.ic n li-it s, <.'.culc' t e asw et. croi< r s, t-m J en u : s s s s( g } 0.P.1.5-3 ,e i, l-

a. _

N Devictions f rto the fortping will t,e act(r.ted if it.,e.n tic shown that the vorst ..s conditions reprdir.g a Sirgle active f ailure. Stered water terterature, arid l' toD11ti's Wicr tie;+reture beve Leen $0lttled f roi the $tendpoint of the Overall (CC$ r.ide). ( tr ie i r -

  • r t ',t e 3 i !W i r e ','it h tp ill ed [ f r $

'.*c t r>r ] b. V tuico led I.CC$ eier it.to *be centeie~ent provides en erditionel Ild spillge-in the tentair ent, j hat sit. r; th. svMoltd ICCS water rises oith tr e ster : t lhe ef ht t of U Steswater r:f rirg sh'ald te tor,$ic'ered in ite teatoirrent J pre %ure (titulaticns, 4 t. (Mi c i r-s t !,t r e f W ira ',11 t h L% t e r f r en tr e Bfit

  • T lhe a t( r e t t,ultir y f rca ice r eltir.9 in n ice (trtenser ter.teir,*ent t,rtr, ides tr-infrq (dditIO631 hett hihh 85 the wt,tcoled att e (1{gs dth tFe $tet, g.r.i}c drg 14 (f f t:t ( f the

-3 ice (Ordos (r IIito tM INer coriteir. ent v01t.e. i f rrs 100 h nI(+ k hIch /VI( (El (b.I f$e g hke[**t* )'$ e e r b I fi) i hd 10 (hIf eI( b e (oil B s Y s e e, letnt4'it*;icn* .e e-e i8 h e, S s e' k l id be Os'.clilitt.ed h idt fitif ying *.'ese $*,rs;turet cod (U',M emi.s Ulti lt, 6 f ; 5 TJ ( (' d b UI n k I fEchbIl'res[ ke4 e he b,UN ( ( ( r,$ f =k e I e i W t' *, P .# ($**/t nI$ I 'd i $ . 7 ) d LI bElVIed Cr0 } U$9f 14 $ d.M( ), ,4 's

(

E e.e g tee e, ssw tw. sim neve t et, tv:ited f rc : wir s rt.wa ud { or.1" r:! tele. 1.is ~:M .'s leer vs:' rt a Lisis fer t' W p14fic f m u tit s 1 ecurtm e f:r f snu.r umuie u.. vemo. h & w ar. 5 t ite - ( i. e.. e *, W ca ri t N l it t * *.e

  • M 6 7 ' 91 t '

t i r;;dia

  • 4 ns, ted e til sa:

r ( (g, e ti i dett i' i( A *. O n O f (d il t'l *b ? ! SI".? C i.' ! r?- 'Ot $ i" * * * # ' J d - t; ;'.rt t: 8, *?= # M le:a

  • clh:d 'or. C; t rd *.tr f rth if li:C' i(O ;; :iy N wib

~ I Sectic-O,tf lt)l C c' 10 0*; h rt D. FU s

  • ? u".4.J'# ftr- :

"'t'/;'c" 41td li st ir p c' W1 s t

  • t.$ H St r, tv conu s -t v, I

pc e r-i t rcvir, s.. ';r *( a W, A

  • tfl t'e M 6 e-Y, d e
    ' 16 0N 0 ir' f rLCefJrc ' Of te. Mcf 1:

1 t htt(r (c"Ttle;r: f beat siris wie tn t'.c (U.tair cnt: 7 t l'se ite scrQce erce crd thiciress ef tv Finry tc9tefrrent steel shell' cr (1) i~ 5 teel liter tnd asse:in(d mers-er: c Mcrete, as apprcrritte. }t (2)- LStiratc the e m sed surfact trea of et'er sted he M $ M S f in PciM dirce with rir.ae i ns estre an aserete twi:uess et 3/c ir.: 8 l i t - f 1 foot -(?) : Merci the intmnal ceccrue strue;,vres as a slab with.a th e ness : 'l t'- h ant npsto stro:e er lo m <t'. j 1[ ne ont sint ttenwytica) properties stat wovid be tecertaSic cre shwn in i leble 2. 3, 4.?.1.5 A c .r C l d-f -u . ca -- ..._,..a__.,,,.-___.. a.4..

f

  • ,h.

4t it/sperating license Stage. spolicentt Ste. ' provide e detailed list c,f. pattive l'est 51015, seith eppropriate dit tndon!. end propertiet. f 2 (I' b litei 1rt'.sfer (ceffitionts i b. lht it,11taitg tentervative condtutin*j t. cat transf er (cof ficien* 5 for la at trentfer - ' f ();6ttd rntive tot tirkt d; ring ite t>1ta An efd reist-tdo,t:an pf.are> o to th: the lets ef ccoltnt ctcident thvid tc used (See f igere ?): l,arirg the talt. dom phete, tssuTc a lir4 ar fr4re3Sc (n tLe (tJ4;r t in) t t-1 .)- (1) ? tren',ftr tesff uient froi 0Mtul'C ttv/ _r.f t

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