ML20128C182
| ML20128C182 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 04/19/1967 |
| From: | US ATOMIC ENERGY COMMISSION (AEC) |
| To: | |
| Shared Package | |
| ML20128C174 | List: |
| References | |
| NUDOCS 9212040275 | |
| Download: ML20128C182 (13) | |
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Ak APPENDIX B M \' T h i o' or PEACTM LICE!F T' P STArr PrPnnT nN
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c? T a F.P E C1 I t ' i:P 'll'E "{\ CTrt' "E S T L
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"nt: !Cinn ?:!T. LEAP FE!;Er AT1*m PLv:7 %-.;~1 ?" T 1..
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'Jhe Chicaco cr f 'o and t io, cor m.nv (D.. I) unde r c ont . act wit h t he f:ener al Electile Cormany will fitic erest at the ite w ed site t he rearter s e: ..el of the nropt. sed !1onticc110 -;uc lea r Cene rat in: P l an t. Fait 1. 'he rmesed 1,325 .scre site is Incat ed on t he s.est baat of the "isoiesinni Pi ve r in 1.- ri cht County, "i nnu.o t a , app rn xima t e l; 3 rri ! e, uc:ttrcest of Mont i ce llo, "inne: eta, ricid crection of the te.n.ror vessel, t:ie f f : ,t ti-e f or a nuc lear power plant in the L' nit ed S t at es , is a practical necessit v in (Sis cane because the site is inaccess-ibic to a barre of the capacity necessar'. t o t ranspot t a cor pletely fabricated rc act or vest.e1. The r.ite is also net accessible to icad everland t rananort.
The teactor vessel will be cru ted at the site f rom pr e-asu nbled sonnent s small enourb to be shipped h> railroad.
The desirn cf the Monticello reactor sessel will be ir accordance with the AS?!C Code,Section III, plus additional and twr e strinnent requirenents, imposed by General Electric Company APED Specifications. These are identical to the requirements imposed on other reactor senscis currently beinn shop fabricated for General Electric. Our evaluatien of the tec.hnical feasibility of crectinn this reactor vessel in the field has focused on those desinn features or fabrication procedures associated witu field erection which differ from presently accepted t
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2040275 670419 A ADOCK 05000263
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F -(r1.-w:r ; Mf .: ;-c. wnne1. e-t r. ole 4to doen not encom, ass tield: n ' 4 L _fabricati - e' re - cr veucl- in o netal: r a t he r .. .i t- h directed.toicly to field-1. i t ab ri c m ion .u t ot. N tiu lo mc t o r m. el bv W. ! , z l 1
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1 -uitaat, P w.c.e:.:, int., ofI.h m , ,, Wisconlin.: l no o .c i. a (tu r.arittol :o. .it tcJ M the . ' ; i t ..n ; in sun, ort of-0.c r -ev.cJ tat-1 I t 1 .i im o' : n. i< . t or s c e i 1. 5e re wntatives have toct with the a", itii " a M. th O e ni.=nt.r O' ot c a ;f ons t+t diccup t h e ' M rtr* os h d 9- . , I titli fiab t'i t' it i c ' .
%. tiic at ~.u.re:re, v , b. .. 1ta : t h w d .ud d hersi f ied eve rf- = ,' -!
sure in der . m . an,il . in, abt. .'.on amt t e t ine of Indeu ri n t elec t ro-- 4 nx:banixai e .u t mt n 1. .m a. he . .ute "e + , . N!ne mnd core com-l pxaa: , ". bete .<e :en . r. t e : o 4.0 x ' 1- t ; m
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3 lat. a i.weta nii ofwar!.,tc. .' 0 0 n .o s , in addit !on t o the review-by Paimvrer, in, . , n : n n. , . o .- -- e t e : , inc. , hw. laeuilt d t t sci f of the se rvices
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.- 21 * . t- N are h t :'h ly cual f t h ? In v ecialty areas s ut !- a-- we hin: i u, c 'se c. wm~ c n t he : 1. c t e < t in e , and G"F code tun =1derations.- =
The w..sa4, . .. .h i ti r u i . e: ..a ' anJ t Asult in
- iuh xndent iv, base Qcnt 12fet -, in :c, w !aU 4 M d< , are mt tonall" inwr., and havs cent ributed q sinnificantiv in advaadnr t ht - "n ate o- the att" in these areas.
n Par amet er Inc, . hai 14 ca u-:r> durinh this review to 'ndvise us in specific '! nubject areas and also. to cenfft: that our vene ral conclus ion 1- regarding field
, i f aba t tation are well f ounded. T.a ar t t e r . Inc. , has revieund and concurs in the l
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. t- ve ci ti t .2 . ro 1- t d t o 1,e field encted will be a vertical t clir.Jri .' rc uit .4- e: . it a .. . 1 31 he:cht of anrexinatelv 63 f eet and an it,ide dt.o ter .. f 17 fset I jnsh. 1ho c.rlindrical wall thickness will be
'n-inc'.. u: r- ,"lu. 1/d n ch .ininur. c.tainless e,t cel int ernal claddine,.
at E : t .. - be a ! '. ;.. ' ate th:: ..bich centrol rods and in c t rur,ent lines pass
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. 'l h e .!c :en "reasure f or the reactor vessel a' , im 4 ' i ns aH e ~ T ! r.a r . rafet. valve nressure
'- '.. . -ure In in a:cordance ..<ith AS"E Code).
. , s ..u .i. . . < tw<- t! u. C.r..d .trd the vease l will sieni ficantly r., t nt at t.,a e s o uri r. i ta 1c -- s 1 ,: t thc n wt or belt line. ExSoaure ts '
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ic!u a ,t e c. t. rz . in *he r a i n s t c a : In addition to the s 4 tt ai I! .* , EM l' C a ; M t- -* I' f e d. e idU %' / [' d" TLCirculation Outlet
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r:c nc r a l Electric. ;ccordinc1' , all react or vesr.el desien
.'*n , .. n s s ..n i :. : re s ;, .- n o '. v s i s s: a l c ul a t i cn --- , t. Se subritted bs Chi cano !!ridce I.
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? r un Gro,e t o F.ene t a l I' i c c t t i t ror indencrdent revic e and annroval. Since the ..
Atonic Po,e; D:uiprent Dep a r tment of Cene ral Cic c t ric Com'an" will rt rovide a 4;g calculational service tc. Chicano Bridce f. Iron Cog an: in the f.teady-state and v w,* ej) transient thet nal st ress analysis of the reactor vessel, another company will Gh [J review and appre.c calculations in the area of steady r. tate and transient thermal I stic s analysis so that a completely independent review is cc<nducted. The h M' company which will perform this review has not yet been identified, 4 i We have no reservations regardine. the desien of the Monticello pressure vessel. . - 3.2 'iat e ri al The materials selected for the Monticello reactor vessel are the sace-x 1 h
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i natcrials used in shop-f abricated vessels for boiline water enet ors tL namely , lov alloy steel plate made in accordance with AS"E-SA 533, Grade B, Class ?, per ASMC code case 1339-2, We have no reservations rerardi-d th u. n- thene n nt e rials. 3,3 r o..r.n..i ~n c All plat. ra'c rial cill be det aileJ to the naxinen lenet h md width dir; n-s2:n-, t h.it t,a "e de!! . rc . f n - t hc- r;i11 and handled at1 ' i ai fnhrientiro.
!. . e r in !M t mf n M.w , .s i a m - . . :m 11 .l at e t , ,urda itd in w en<t u? and tenp. red c ondi t ion , are flare-mut t -r r s . . : -u t e :!a , a,d are
!d-f: r- J h a 3000 ' a hydrauffc nrc'.s recentl' 1: t a l I c d i n t he E ! :- i n r.h an a n . 'It) ouch cold-pre esing of r eact or vessel nJ ato to th" t'en f red sha 'e is new in react or vetici f ab ri ca-t ien, t he AS."E Code serrits forofn> in an anne r, n revi ded s >c ! fie d materials.
nropertten can be ohtained in the final condit lon. Th h rett od of f abricaticn ha; been used for non-nuclear vessel::. he method of plato fore.1in is deterr ined
.larrely by the shop f.militics and 9re ferences of the f ab ricat o r and is not a requiretunt irposed by ficJd crection, Cold-forrinr, because it is new, wi]I be followed closely as the tcst resulta becone available, in other respects, our review of the proposed forninn procedures indicates no problons uninue to a field f abricated reactor vessel, 3,4 Fab ri cat i en The shop-forred components, shell halve . bot t om and t o, heads , skirts ,
flanres, etc., will be shipped h3 rail to t h Mont ice llo e t te whe re the: wf H be assembled into larrer components sultaSh for final field erectio:t. The nee % 1t yard at the' site w[!1 he equipped, as needed, with weather prettet'o- encloi,re ,. I level work tablen- tes t in? ctuir .ent , and heat t ren trnen t formacb , l l
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1 I 1he a w e rb l'. ard fabrication nrocess will proceed as follers (a) join th_11 halter into rines, Imt t on head te s'. f rt atension , and t op h( ad to flante on len 1 w oi :ablen; (b) nrehe..t and weld -ettton: te yth<r; b ) na..nct!c par t ic le c hecu tir weio, periodicall" durinn de'esition of net al as r,relirinare i r.s pe c t i er. - t cp ; (d) hot ult rasvaic t.cs t t.he weids; (c) post weld h at ttcat at ll30'F; (f) t ool and rodf or.raph wclds ; (c) <cid ultrasonic tr<t t!:e we lds ; U., v r.u a ,' o ve r ! ..Ida; (1) nostuc1d heat treat; (j) cool ;d ultra-on!< everlay; anu {L) dye (hett (=.erlae. t
'i h e veswl ,-lasure 11anet,aftet beinn ..elded t o t se No, !. 3 hell rl w in the i /
asser51v s a r,1, will be d rilled aid tar,ed in niace to receive the bushine and 1 hold-dovn bolt s. The hole, and sjeen s for the 121 6-inch diamt-t e r orm t r ol rod dt i ve th!nble s and the 40 2-inch dias:t er hole a for the in-tore flux ,cntors will be bored, l ut ilizing precision cuide ten'la tes , enticall" alitned in a t eme rature con-t rolled housinc to guide a vartical borinn har and cutter head, 1 l l The ficld erection of the reactor veuse! will proceed in the f oll owin n nannert i l The bottom head oad stub . support ski rt asser bl: will be set in place on a 17- f oot dianc te r cylindrical support sk i rt in the drywell base of the containment structure, The be: ten head skirt assenhly will be leveled u ine_ the devicers on the stub skirt and internediate skit t extension provided. The levelinn, and plumbine procedure will be repeated aft er each of the four shell rinns is placed. The No. 1 shcIl rins,, complete with the 36 Iw 28-inch dinneter retirculatien and other nozzles will he placed in position aton the f botton head. The nirth sean will be fit, preheated, and the hand weldine will be st art ed. The So. 2 rinn will then Le luted, fit, and welded before ant 4
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; . stuc id t reat nent is dcne in f,1;ite on either s in e. *lormot atT wc athe r pret ec . s
- t. a , t 12 bt- , vi de tt , t be + u l t i n a t - (ne wt ac Id heat taca!>&nt f u rn ace stroc-t ts !. The nr. heat "I t !
',e - d r t oiW J on t ' + ot t ria he ad t o ':o. I rir e ri rt h c ric ant.1 the No. I t, N0. 2 !*;h --v. f> retJ" for nes t el d t rc.it"ent . fi.
th r oud suwort skirt will be 1 14 ; allrd. At this t i nv , the tc r19t- ut il he
<. t t e e t e !!cved s im.ilt an : aut iv in t his t e r, , r a t ' furnace.
' it! neam h.,ce been no. tao
- i. t t e t tht '. . I am *:0. - at t reut . J , ti renecrted ;ot. en condit-!cnt d and t v t!(lat e.i n;l t( JJac t arf f utnact il 'e 't s
t m i at ound t he hot L c- -e.el and *:v. i :,he 11 r i ti T' . A te m orar- reecr el11 be i t. n t a l l e d ah o'. e this tota a v e rt *t that the baltinic of the vt M t! can be elect ed in t he manno r destilbes' o' o/e vitacot ir.t e r f e rinr wit h the hot Lc* head work. Tout riath nean weld.'- li t h a *. c or. . li t e the in > lace field erectica of the Mon t i t e l 10 s c a c t or s e , .e 1. Concurrent wit h c rect ion of the vesact ,he ll, the ve nel to? head will be positioned t ur drs lline the 5- 1/ 4-in c h <t ' are t e t hold-doen bolt holes, ' .' I t h t h e cove r in the sanc ,osi ti er. , the croceen f or t he tvo 1/.'-inch di aret e r st.ainles s
" 0" rinn casket s will be na(bined vit a porta .le CBi.1 r nut pment . t 1 We have reviewed t he fabrication pro (edutes out lined b
- C!!I.I for aucmbly yard fabricatten ar.d erection ar.d are satis tled that ifeld crection and nachining can be accomplished without compromisinr. re a:. tot ve*4cl interritj and that fit-up within the tolernacco described enn be achieved.
3.5 .U.c i,.d.i~> n r' Preheating for welding will be accomlished usine elect ric strip he ate rs , insulation.
- and n'et!11 foil to provide a ur.it orm temocrature within the nreheat ranyc. This preheat will be applied be t are any weldine beeins and will continue until the part<i beinn welded have bs en d ven a pos t weld hear. treatment.
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1he nain joints to be welded in the field are double-beveled and utiliec a uuare bn m a pacer and temporar, barhup bar for weldinn. Weld edge nrenara-t 2..a e113 i e m co.mplianed Jr. the shut. bv fIce-cut tint the' desired besels and Jand upon the plate cdsca follcraed ny crind1nt and nannetic particle inspection in the tiald priot to weldinc. Approrinatelt 1 1/2 inche < of weld netal vill t.c denosi t ed by the .mtit ir le n a' - t e cl n i a ue c.r the inside be fore terrov!nu t ne
- +ater bc.r c~ is t s is by arc aourinc fren the ciutr.ide sort . . . o t h e ve -a I .
E an i.caatd groa ". ..- well as the n ld surface inside, <ill be racuttje putticte n :u.tta ve!ert weldian f:en bot h dido, pro- rem s .inultaneous1..
.nc ..anual nult ip h , ass shieldcd netal are process sill be u3ed for all of the f i e l .- w e l d r. 3, of the maior loint- in the piessure vese.l. This technicue ptoduce.- :t.nd v e l ds ci ti.au t redacine ans of the physical srosettles of t he ba >e inct si be im the standa:A required bv Section ill, AS"T. Co& , A <;necial low al h .t ea l coated e lec t rode de veler o.1 to raith closel; the rhv.ical and thentcal p repe rtie s or the basc r.etal vill be utilized t o: the weldinn. The 10.< hydreren and the com ositivu ot the elect rode result in a depor.it ed wc id ret al that has notch tvunhncas advantace f ron adde I nickel and an NDT t er cr at ure leve r than that of t he base retal. A revicu of the tv-ical results indicates a cloce ratch-inr, of t he base re tal tens ile nropcrt les and l ouc r NDT t eirm c r at ut c 4 Celding <ill Se continuous as d ! c t a t e d b: j ob s i t e c er. d . t t or.s , centinuous citual inspettaan of the weldinn will be accon,Iished b: aviraine one veldinc supervisor f or every 6 to 8 welders. The ..eldine supervisor vill have . the responsibility to assure that all weldine rocedurc= are carefull:. folloued and that any i r recularity that oc cu re, in a veld head depe,it is re oved. There will l Le r,ac projec t tcld2 ar. su crvisot s':o ia re censible for all of thc veldine ner-
- st ed under the djiection of the .cidin- su: trvisors. Tht. weldinn supervisors ml; le under the cirect c on t ral or the ,t o icct ve ldi ne su erviser,
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rh ' d ou t la: t eldito. of the i,tainis m steel claddine will bu tarfor .cd
- im aJ tttar.ique ' :th . t in . rm e, t s e ,l a c i ta accor'!: o m
.u-- i n r. t ;u- tr.n E l .m e v , ' . tm ' ii. rctiaa f11 be s i ! u r =.:e d ., 1:
f u '.1 .;cid merla. L : . :. .. i n i . . .; . seldin: supetv u, ort to a:,'une talit y , and ult raunic and dee renet t. cit (sanina-tiens wi l! ?.e per v r r s. . The m e rl:, ' H J : 'r 'or th<- (1'nt 1 te viive o"onin l be Im - :. .
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.o t, t . ;t ainir 'fm' e riay. Th i' d:atb to the h.c - 4: il .> ix el j rdnat e- the ob i teticn. hit s it'> r at .<in- !brf deve'r* if e int erlaver of stainles +tecl i= Fet. ten t'e ! .t t .i ; co ' t .c %- '.
.a t) ri t ' .o .. i ' '! n rt edut< , the 'n , et Ir7 an ') ustervfn!nn In cons. derat to bc *tovidea, the we l & r c .a l ; t i e tt ' on r t .' airerents, .md ." ld t-i tine which is outlined in Sect it ur. i.7 and 1,8 ci th! r e -o r t , te !. ! ! c.ve that nldinn n:
runlity equivalent to that available in a > wi l l be och f <n e d. 3.6 1.. n.s..t..s..e.l.d.. H e .a.t. .T.r.e * ' c.n.t. . Tempora ry f urnace.; uf 1I be uti1 ired at the site t o accom] tch po,twold heat t re nt ment on the cround. The heat treatment wi 11 he r,oni t o tr ? us.in e the rr'o-roric , r.t rate 4 cally n laced upon the a s ic e' > l :- and th rourhout the entire f urnace.
;tultjple point strip chart recordini t>ct ea t i o-e t e r s 2111 be u: c.d t o record the actual heat in:.' pror.ress of the a s s e r.b l:. du rin r the entire postweld heat treat-ing cycle.
l Field erected assenblics will l'c enclosed and postwcld heat t reated in a \ l similar f ashion to those on the trocud. Insulation, thernacou,les, heatino l l l i y..-se,O*
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, r %J 10 twa s s e r , ,s cordin e lus t rur.cnt s , e t c. , will be desinned t o assur e comlete cor-2 i ;.n r e s i t h t h(
AS"" Code and rene:a1 Eleet: Ic sneei f f cat ions. The no t weld heat t re at r.cnt of Fuhasseablies ca the rto"ad or cor-lcted arsemblies in niace in t.be in i a will be nt rforned wit h the ~, a n linit atio n and cont rol- aa t ho e if tne bheb.
'Ibc dificienic between licld and , hon -mtwrld heat t re at" at is that in t hi- 'icid,the vc r ; o a, part s are he at t reated as they are com h t e d ; whi h. .i n a shop, tht coh ted .essel i, heat t reat ed. The method ci heat t r( at ra?n t in the ifeld as ptvporco, in a r opini on , ui 11 in nc way com ron i se the cualit y et the Monticellt, m sel because the r eq ui rerent e, f or heatu: and tecido n rates, heat t reat ment t erne i at b re , and t itin c ate the sane as those wbtch would be Im,osed en a ahon fabricated ve >, s c i .
h7 .IhO.d.U. d".d.I i,I.I ' jtt,ip,n A ! a t r.r ncabe r o f t he we lde rr, t o be used en this job w!]l be e nerlenced Cf3 6 I v e l d e r t, . 'ie ve r thc lc s s , a welder t r.iinin e schcol vill be set um and con-duc t ed to ex'et ienced and quali f t ed W.I weldine t,u m t vi sor s an f ened to the Menticello project. 1:ve ry welde: , t.ec.n t houch experienc ed , vill l e t rained in the j ob -+ it e s chool unti l a p r of i cienes has been at ta!ned t hat will vermit the wt:ldet to quali fy in acccrdance with Section D., ASME Code and the General Eh ttrte spec t.t/ ions. All r:aterial te be used for t ruinInn nurmose ..t11 he identical, includinn thickneis. to that of the react or pre.oure ' venel. Tne training programs will e'nphasize that weldsent.s can he made to a quality standard that will not require the correction of de tectise work af ter radionrashic and ult ras.enic innpections are ncde, i?e believe that this t raining provram will assure high qualit:. workmanship.
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csrra1 t.un-nacle a t iesselo ha.e ieen fa .e ted in tGe itel.'b- ru: t: at. i.erc to' .nc to be w - L.ll t . - .c > e ve W ;, h ave been i ad i en r o.,ht J An C.i f a c Id , us f u r. C ua ait - LU s >us cer , h thichoe-4 of these sc ,els ranrcd *.or l
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- U4 2n<!-t ,u~ t o 7- J.'4 incoc., an. we n e 1-uflt to the tr uirer,en*, of the A9"r t
- e. , dit;itul tle, se r t cnce ntered tu ol,ainin7 the " '!' level re-u' red l
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'h i c e ll a rea.:t o: t- . " ', a .ec ?..ve c ua:ce .uch a rd ,. 40 ,.r Isid!un 192 will be eralo ed. 1: ; t' t ur-192 ;! ! ) he awdan steel t 1i c k- ,se, rancinn +ror 1/2 inch u. to 3 a u s ac., , .che r e a tooalt-60 .ill be t,ted en .t ee l th i c e:nc e. ..e.,
r an e.!n r f r e . 1-1/2 inebe.- n: , 4 he he. . ;hi f f In t c be u~e d Ior ra. lion anh will be fine grala almil ar t o " . t ran i:oM T 7 p" A?, or "wal . Weld st.rf,ces vi!I be t.acnot ic "at t ; Ic inspected at cach 1-inch las er of welJ deposit. As a f ur:her the< n to anure .1 "nt de ti t t" t endition af ter the base netal weldr.ents are sorpleted cad prict to postw.3d tu at treatrent, thete welds will he subjected t o ult ras onic t e t. t t n (not '- , T . ) ove r and above t he i ce,ui r c re n t s of the AS"' Code or speci'leatiens that have 1. ten issued by Rneral Electric. Irreaulariti m disclow d by this rethod can be c orrectr.d bef ore the p us tw'e l d he a t .r.u.ent and radionrar.hir ins stica. 'aen the ba e twtal beld-nents have been proven satis f act or b> the het uit raso .!c t es t s , the j oint s will be given an inters tace p o. tx c l d 1.r. a t t r e at ra r. t at 1150'r for annroximately one heur before allo.inr the veldments te coal t o achicat te . e rature s. Additional ult rasonic tests of t he veld jcdnt s will be rade, followed b" radiorraphic exami-nat f on as described above , prior t o overlre welding th< in4 ;dt of the j o i n t '. . t I:ltrasonic and dye recetrant er.aninationi. cli be performed on the overia- after
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;'out, cor plet tua of the irraliue nauhtoinc *c:L on the -veuel flance and -
sontiel ro j 6,leese , tw ne.tcrto et ill we at t ached ic J thi ve me] ti r e n a t e d ter te4t. A -
>ie < . ..:ri m 3 r.e-cue :s t-vill b t.. d at- 1T ne . $ n U %G p i r,) . Af t e r the on. me< mic t ee t i- wrric:rd, ,11 eld sutiau ilt be hoject ed t o a n..rcet i; ci r t ! J e exatninar i ca er to a l' uid : cmet aot e>. mbt - ,
- .attun tu acecrdanc.e with the o 4 'Jc , 4 . adJ i t i.e. , ult.' en ! 6 t ea t ine ef hi er st rence d c i n ac,t e rent : al m.1 lowi tudin'il t. eld area t and ve cci nou le ,
will- be conducted to de u et nct en t i .il dir- t tru. t..'c h a ve concluded- t u,it the h dra t en t . .d .. ob ,e ent ivaretson as A s t !b_ t - i la s u f fi c ient. and tint tiu s i n : c r aai t et. .1! be suit 6 .c b;.e-inicionec ?cr 1 sitnJ la r t e s;t s which c.m i t oc ta k .i l '. i t e n . . t i. t ou rh aut r Netor Ner*>el life time. 3,9 O u a l.<1.t.v C.en t vo.l Quality coatrol f or the ?fent irt.llo reac t ar ve ;ae l wil ; be di s e ct ed or a-CITI quali t , cent rol canane r ca ix t< u hv tu ualle. cant:11 coordinator e, The {. p ri ta ry obje c t r. e et this i c r ou., -i s t e cuerdinate the - n:c. vn !!t* connected fun-tions int _
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