ML20128E997
ML20128E997 | |
Person / Time | |
---|---|
Site: | Millstone |
Issue date: | 02/11/1966 |
From: | Hall W, Newmark N NATHAN M. NEWMARK CONSULTING ENGINEERING SERVICES |
To: | |
Shared Package | |
ML20125A422 | List:
|
References | |
FOIA-92-198 NUDOCS 9212080228 | |
Download: ML20128E997 (9) | |
Text
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NATHAN M. N E W M A R K . _. .. ?" . ' >
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.~_, .181 T AL e OT -L Apo R ATO RY; UMBANA. IL LI N OIS. ;.
f-coNsvLnNG CNGINEERING $ERVICES . ,
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/.DEiviCY OF iHC STEUCTUP4L' CRITERI.'.
FOR TPE Ml(.Li10NL NUCLE W POWEh'ST T!0N
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. Thi s report .conce rns ti,e J t ruct up1' adequac~ y,. of t he' cont c. Ie cot st ructures end components for the 54i HWc (}727 MJt) Millstone Nuclei r f ower
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Stit lon. hereaf t er re.crred to as 'Milht6ne3 tat io'n'," for which applicat ion f or a Const ruct ion permit and f acil'ityflicchsh hi.5"bcen inade' to t he t'n;t ed
!t at es
- toraic Energy Convis s bn (Docket No. 50dpS) t y t t < Connec t . ,- t' . I . . ' ', .
and Power Company, The Hart icTd Elect ric Lig$ht Company, West e rr Mas s 0 c hu:.e t t i Elect ric Company; and t he Millstone . Point Corv$ny. The facilit s i f- loc-ttd
'on the north shore of long Is l4nd Sound in the town ci Vr t er f. rd, Conn"c t icut .
bnd about 3. 2 tr.i l es C' of t he t awn l imit s "of New tendon. Ce nr.e e t .t Spec i f ic6 Ily. 't't. it rere rt i s concern ^d' wit r ev.. loat a.n v ti. Jesicn c riteric thtt det e rr ine' t he at,'[it y of t he primsry and s econd..rs co nt a :n'+ nt
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s y!- t er's t o wit hs t and t he 0.M g de> ign u rtbr.u +ke *. iw itanccss ly .:t! ti-e c t % e loadr forming the bas is cf the co tainnent design. The f aci tv otro is t e.-
he d:S f0 ned to witnstand a, m i % . grJund iccclerat ion c. O. i . : cv .+ !! '
p re:.e r ve t he ab i l i t y t u rna is.t c in t he plant in a sof c thut fawn con.i t sa, i.lso, t he scisnic di s ign erit er la for other. Class I's t rac t e res , tv ir t od piping are reviewed. . ,
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,, 2 ibis repdtt ' 15 bas'ed or 4nfo rtvt lon and c rit er ia st t f ort h in the De.s ign and Analys is . Report s i3n.f), es liited at t he end of t hi se ' repo .e rt,. in
.f.<0a.Mnc 'c..
addit ion we have pa rt ic ipat ed in discus s ions with t r e AEC Re aff,
- t'%, L i n wh i ch r.any o f t h'e , des i gn c r i t e r i a we re d is cuss ed Iti,,,
T..i,l. t G>*
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II. D.~' C E F T 1ON Cr' r AC II ITV Millstont ?tati.n 15 desc/lue? In the- 3'i. cs a 1727 r. t (** f f,1c) si.ngle-cycle forced circulat* ion. iling kat er rect tor t hat produces stecri et 1,000 ps ig f o r us e in a s t ear -d r iven;t u rt,ine-gene rat e r. The react.t is f ueled with s light ly enriched 7Ud c-ntained in 2iresiny-; clad fu.l r,:t, and vsater sarves es a noderator end coolent . Tne ' reactor ver s el has an
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irs ide diomet er of about 18 ft, f, in., and on I.nsih height between hsAon s tee! 5/-3N, Gra' de C, and t he vas.t.'! t e r i,' r is to be clad with Type 334 51 -inles! steel s plied Lv wc!c cverie 7 .-
reacto r ves s el and t he r ec'I rcu lat sn s ,S t en are cent a ined :ns?de the Jrcwell c> f a p r e; s t, ri s u pp res s :c.,r. con t a i orInt sy s t er Prim ry c.'ntainmert cf.r.s ; s t s of a p re s.s u rc t upp rn b lor, cot t . ert b
syster u,tcr ra ses the rcact ?r v sieI, IN react; r coolant on *! r ec i rc.. ' a t ; r...
l oc .,1, an : thtr tervice loops _connt :14 :. a i nt r: tac t c .
s i.e pres:,ur-suppressi . Lystem consitts of a dryic-ll, o pressure surpr < , ion cb er
( t a rn L F a cei') wh i c h s t o re t e large s s < le<' d wr t er, .o cnnnect ing vent
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t y s t e.7 between the drywcjj and wuter p<ci, isolot : p. valves, etc. The
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- s e it hel prec5c re sessel -
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- pnerica! )w er port lan (24 ft
. dI. .Idr. O *1 d O. C) l i'dr i cyl Uppc r part i,in 34 ft, in d ?, ter, t h e v / '. r a l l
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...s H.ight of tbc drywell is about - 110 f t.' The Steel head end shell of t he drywell is f abricated of SA-212 or. SA-201 plet'e manuf actured tc A-300 requ i re nent s, -
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The -drywel.l is enclos ed in re inforced . , . con c.3.t re 9,
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) purposes and to provide addit ional res f atance -*to 2
'def 'o H ng; .
4D.'m 7a
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above tbe sphe re-cylinder t'rans it Ion t he .dr. ywe'll.15, .
separat ed f rnm'tbl.
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r.* in f e rced ' conc ret e _by a ger 'o f abu.t 2 in.: .ke fe re unable t o a ce rt a in f rom the DAR. whether t he backup ilIllng oterial 'in this zone hos es yet been sclected. Shie ld 1r g r,ve r t he t an- of t he drywe ll is provided 1.y .
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r ery>vab l e . segmented, re:nforced sc4c rete shield p!ag. Fer access t- the d rywc i l , in addit ion to t Fe dryw-!! head, one dnUble door airl ek and me The ;ricary con t a
- nrnen* t y s t c.: i s 6t.s c r : t ed i.
bolted hatch .,rc t r ?v ided. ,
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detail in lectjor, V-1 ref DAF-Woluge 1.
. /. rs. actor bui ld;ng, wh i ci prov ides, s ecc ndc ry c;ntaint mt d en the i _
prima ry cont a lnment is in serv!s:c, svelops si e. react nr oud the p *- '
containmc~nt syst dm. . t he ceplete s ecoridarf ce:nt a inment . syf t em i ns;;ts 21 the rccci r bui1:1 ng io;ct' er . t b t r.e ocs 5 tan D; t ri etwr t L,.!M .9 the 'In-it. i. t act The , rs scu.r : t. i!Jinc pir v idet y r ? ; .rf c nt..i w ! : e r.
_.. .. t ne ;' res s u re t u,y to 5 ira :y icm Is open. The coat t ar l . ' Mini uut"-
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ref ue ling and r". ct:,r serv isc cqc n .t , new Or.d y. pen t'. f oc ) Lt rs .c c 4 '-
and ot hc r reac to r av.w l ' ic ry o r s c rv lc c c c,u i pr-et t . ,
T he ree:t c r tu i l ' t.c i5 to be' founded on rock tlc snN t cct a re!,' c'erk ; t - of pw red- ic h. ,t reinforced concrctc cxteri 'r ccliF up to the b iue!Jnq ilcar. Above t i if. -
, fisor level the st ructure coesist? - f. . L t eil v r m e W ii imulat ed In' !
l' e.i t s , c a : ed. :. : r - t s . terleded di
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!!!. iturtrS OF STRESSES IN CONT ^1N *EKT '5T8WCTUPE5 IND TYPE I COMPONEM, N.D COPr.i.h7b Ch ADf?UACY Of 9[5fGN. ,"..
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Sources of St resses -- The prims ey containmentisyst em, which includes
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tne dryw:ll, vent s, torus, and penet ret lons, . is to de
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he 7 pressurc suppress ion chambe 1 .
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W-g;7-following conditions; *
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.5 2' drywell, internal des ign pres sure; 62. ps ig, exte rn'.a_ ,
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su::pression charnber pressure 2nd t empere'ture rise,;35 ps! maximuni and 50 (
retpectively. It should be noted thet (Fe'- 2 pt1 9 va lue, wb ich oc rmcil ly Indicat es e vacuum, in T4ble V-1 is et variance with the stat ement about .
cxternal pressure at midpage V-1-6. As not ed in Sect ion V-3 of OAR--Volume 1, t he as t ismic des ign of t he pr irv ry . cont a innant system, which is clMsified as a Clrss I--C r it ical Et ruct u re in the aforenot ed sect ion, is to be baseo on dynamic analyses using response spect rum curves corresponding te a 0.079 As i;n ei rt hquake. Also, it 15 st;:ted in OAR--/nendment lb . I that the A s ign will be r.nie to insure s saf e shut tiown for a graund ret ien of 0.179, which we Ir terpret to mean on eart houckt ha in; e grounM not ton it.tensi y a tt p r: x t :r.e t e l y twice the* of t he bas Ic des ign c+ rthquake','
The ? econde,ry cant p i nnent systrw. (or.s is t ing of s evera l p. rt 5 cs ae< c ri wd ec rlie r, and i nc l- f i n g t tic 3 7 5 . t . it sc k , is cc.ns i di rrJ c C !c.s 1-C r i t i c t. I ( t ruct u re . The reector nu!! ding is to be dis i;neci t o wi tbteni ,. n int e rnel p r.f s su re of 7 i r. a f w e. - r (ctmu t 1/ 4 p' il ./: t bout 's t ruc t u ra l t a ; iu re cno withwt pressur, relief. !! is ncted in t bc 0 E t hist t he M e i staic l
[
Ga;qn of t ne s t ruct.sr. teill be based c.n dynyric analyses us ing cccelc ret ion rusaonse spect rum curves which are b, sed on a ground mt ion of 0.07q. Also 4 ts noted that the design 'l. be'.guch t h.st a sr f e shut down can be rude J. ;nt c c round mut ion of 0.17 c. -
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.w s :%:.4.b.:;e In Sec't lon V-3 off t i OAR *1(J, isi,"noted t hat t he plant structures
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will be des igncd to withstand , wind, loadingt'of -140' mphi .kiso it is noted
, . c, p ]Q ' . ** - Tk:f ^:/*.' y that t he area is such- thathit co'uld be subjected .tuftornadic wind condit ions.
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.% . . .h. ;?. Ci .5 < t h.'Q '.;. 5.,' & % ep>.y and that were such winds ,(xwit h i n;ft.hei . . nf/a,n des ig.f.,h,hi . ., . td ; 5! .'g y.i.',, . nrse '
,-t_.
,p_
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w m a+; g gir;,s .- ...- gr the site, t he' react .
o r,@p,3id e"capab.le,of g; t..
- .,,,, y .il ,O6- .x J ' ,gf i.' 1 Dred
. %- h!$,$l.$ $1 L.I'8 M & 4C ..s.k In a sbutdown. . t. ' y o trade.9 y n . . ~. .;_In.hc&ponxt-2Nt R 2 :s
. o
&Mreh,mlth,:,
.- f" b d'$. g:fgf k;,?.nw.1p+$, dings would' correspond.$ .' t,o 300$, '
n The crit ical pip'Jng and equipment .f alling within t he c lcs s i f ic.-t lan v . 3 .... . p , Q fl. ~.-
of Class I--Crlt Ical Structure or Class 1- CritIcel Equipnent , as ilsted in Sect ion V-3 of the-DAR, areJto be dejigned;toMithstand the same seismic f orces es nc t ed c. rlier fer t h'e prina ry and secondary cont a inment s t ructures, in
' connect ion with.cther-opplicohic loads.
, f e ismic Des ion C rit er"i -- In terms of t he cdncept emplov in; a bas ic des ign ca rt hquake, and prov is ion f o r Saf e. shut dov.n for cn c.rtt;uake of A.
approdirAat ely .twice t h is int ens ity , we ' concur wit h t h is cpi ra. ch
.o it is.noted in Section V 'J of DAR--Volum* l tnet t he vert .co l .
accelerr t lens will tx assumed to be eQuct to t m-t hi rds t oc n, r ':v t i 1 g r &.r a
- cc e le rat i';n . Le i r.t e r;4 r e t t nit tc- mean t he t t he vart ice ! n ; > n> ,
!) in carrot ed in r e des i gn e.- rt hc.u: h e he'v i ng en ,iat ent it y o f tv.-t f.i r h t Mt us.d f o r t he t c ri:nnt al m it i.e . O r, t l i s L.rJ l ? w. ccncur ith tte l';'l r
- It is natca t hc t f r t he des ign of T ]r55 I s t r u c t o r s *. cnc ( '; u i p m , t , -
t l
the et xinu: ho r izante l acceler. t ion End. ti c mu :mur: virticel c'.cclerc* ion .
l will be cons ide rec to occ' r c inu lt e.neous ly.
- We & not agree cortp l t e ly. v. i th t h is s t i.t ener.t and its irplications 7s it stands,_but int e rp ret this to mean
(
- th , thc r Kimum st resses t het- occur s irruitantous ly 6t a part icular lucetior t ram toth vert ical and nbrirontal excitot ion aris ing f rert the part iculor i
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des ign certhquake,gunde r , cons ide ra t ion, will"be Addtd dl, rect ly to t he ot her . i
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.. . e g -et o r checVIng. .,:t hcMes , +xvign' ..On_the
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ths't our interpretatlont :(. . " . -sucor rect w ..concu rj.i. .!n,t he g,
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. On'pp.pe'Vh-$iofiVolune. I,flt ,is .st at ed .t
~ $~ Q{H ing
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f rom ca rt.w, hquMie);- --accel.,drct ions:shown on t he ' family,cof s 64
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} l;.%_r.hy4 s a ',diacgs kwhen combined a:yp r i n t ahh s. b. .
,it h f unct ic,nal loading st resses,. will be r.alnt ained within the est eb lis hed
$ ;-s. .-Gng;.' . .,3 .
code of allowable workingi'strys es for t he ~ particula,r, p,terials involved.
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..a w~;y .m.
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The meaning of 'that st atement is not ens I rely..cjeiri but in line with t he
- 2,h I * -:.*4MMM,. . - 7. e ,,-
discussion presented in ppendix F of.Vclume II.'we int e rp ret the presert. tion s
to mer.n that a rigo'rous Ldynamic analys 's, of t he 'st ructure er p. rt icula r elemer.t involved will be mads, with pr~ ope r at t ent ion to t he rudal exc it at ions, codal pari Ic ipat ions , danp ing, tc. , and t be 5 Fc#rs, roments , :nd displ,cenentt t
computed accordingly' in ~a ' rigorous 3nd rat ionally acceptable rs nner to arrive at the st res ses and deformat ions . ' On t he as st.impt ;orn t hat this is t ne rxan ing o f t he 5 t at c V:nt , we concur with tt}te aprroach.
The litt cf dwping factert pro rnted i r. Table V-5 on page V -;
o f 'W - b lu me I appeart renon. r l*; t c us .
The re is li ttle ;nicr it ion r rc e :r.t(d in th' Did on the dvs;cn o*
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I t h- : tac, ot he r t han tv i.dicct< thit it aill DO !..,n d ! c c / t a C !c.,'. I ;t rmu r re i s t ume t h. t a rigor ' w l c c y n-:n i c a na l y s r. w i l l
'.'e r," n# h c : the stcck.
and that ca ref ul cone idt ret icr. w 1 be given to its design to insuru ti et ,
shou ld the re be 4.ny f a i lu re, it s coll:ps e will not impai r t he pr imary cor.t e i n-r ent In ot he r wc rds . the fall rene of 1 9 St?ck thould be taken into cansi,rr< tion in i t s des ign and p lac ca.r.t Eith re;rret tc the plant
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to setells erc given concerning the possit le st rengthening of the t rc c s c rc,und t he penet tut i vnt of the cont a irNe'nt . :pa rt icularly t he t r 'm -rv contelnment. f.s p ec i a l l y in tbc case of t he large: pene zat ions
~
ghould
-, d,N iy V be token to Insdre that those Itims' will maintain the -
~[ hf&nd
'. r '. ,,,. y duct ility under earthuuake loading, '- '
(yg;,
Primary etid Jeconde ry Cont a inment_ kt ruct ur . .- hehe'riil' c r i t e r i a -
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coverlr.c tne des ign of 't be primary and secondary cont aintnent st ruct u res cre contcined in vorious sect loris of the DAP.. and. port lons of t bese er 't er la have s-received coment s In t he prev ious - se.ct ion of t his repvrt . The allowet1 'trtf.srs for typleal situet ions for primary cont'alnment' 'and secondary containment
( ret e te r bu i ld ing) a ra.- presented in Tatales . Va6 end V-7 of Volume 1. (trases not ed t he*aln appear to be in cecordince with the applicele codet , 'r in other cases appear to le rceovble to'us. It s hou ld t,o n' t 'e d 'n i .t. tC t hotj h i nh pi ut du e la*,t I c c urap ,t e d s t r et s'"vo l ves 4, rc c l los.ed. In am ri tre a
, wi t h t he A$in C.odet.. ' f or s t res s cc,Eb i ndt Innt It loce t lorit of 51rit'nte dis cont inu it y, in tr.C rt 4,1 I ? a t ion t N t lot..! y i t ld ing ** l1 ) t de plac. l' t n i '. t. mc cor.t es t , in conrsct icn w:t r 'T..ble V- 7 , c ~ r' ti e d:t :uf tiin :n tre t h i ra pe rcoru;.h on paw V *$, it it tant e d 194t wi t t. ri S to t u t hs n . r l 4,. s ai.
.t.'.inq fro.t t he f C ; >r:lc l ac.J ~ 1,r, n f a p p r n ! n.A t e i-( ti<!cc th. des;on errtt o.Ai plub t L. t ht r ap; } i c a',1( l'vc - ". s - n d o f cc t ! * ., hod, ;- ,v i *. I n t- ..!'. i.e re a e f o r r ne r(;y obt o rpt ion suc h * * .it rt t. ult inc, cet lcct :nna c r c > t o r' ,.-
will nt.t rc.cnt t he p rop e .' t u tu t i e r og of t he if ruct ures or pir r! c' i pn.ent , ' .'c . a r e in ao f errien #th t his pe rt icul r cppranch, Tht dctcils of th_ pix t enct r.t ion dra irn for t h's s t earr.l i te s rs
.I.ca. ed 'n f rct len V-! r ' N E- "n i ev.- ! .md i l g . 6J of rgA..ynjurse II,
. n d i , P. r t>*t r >f o t or c * ' .:nd :tm !! t ent w? t h ct he r
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i 11 it noted on page V 1-9 thtt t he drywell, vent pipes, and penet rat onsi are -
3 ,.
do ignt d t o withstend r afely.t he f o rcer, 'couse.d, by the Isnpingemer't of t hi f lu hl , l i
f r ,e a rupture, or in otherwrds, the j et f orers , tlc Jou lonw. ,
of
. tr.' ,
t ie downs sind support s f or' Type, I piping, but .ansum.? that '
y p rov ided in c rit icil loqat ionst'o res is t the appropria 6,, 2
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- - , t a t%m incluriing seismic loadings, and eny jct ibrusts (of a %ec ta n gerne' n t 4 ,c
. . . . , , .m . . .* ,
typ". rat her then j us t a fluid leipingement) i rou pass lble i roken pipes .
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