ML20127P001

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Discusses Review of FSAR for Facility.Specific Comments Listed
ML20127P001
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 03/18/1969
From: Newmark N
AFFILIATION NOT ASSIGNED
To: Morris P
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 9212010476
Download: ML20127P001 (5)


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NATHAN M.

NEWMARK CC Nfp V LT:NG ENGINEERING SF.RVICES 1914 CIVIL ENGINEE4lNG DUILDING URUANA. ILLINOiG 610$01 li 43 r c h 19/9 te r r l 5, 'irertot

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Not t he r r.

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' owr r L of'r - a n y A'( [ ot, & e t No. 5A-2/2 le?r Ir,

  • An r r i s i r.

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', Fnli ert ? bnyt reviaw'd the Iinal ! af e t y Ahol yt it deport f 'r the Mon t i c e l l o Neclear !creratino 'lont, t nlt 1, o rir'e r cent t r uc t ior t; y tic P 7r t ti, r r ' tate? ' owe r forsany near hunt ici lla. f*irre ! r t e,

.he eports a. a i l M 1..

t o o i nc l.im

'o l e

! throu(h

.'1 of t he I i t'01 tafety / ra l e it E,onr!,

n tor t..nat o l v t h-

.IrAl 'cfrty Analyt;! honort contelr' only Iirl;re.oforrat for en tie c<aicr of 1Fe intilitv 1o reti*t t e i t re i c I c'e v i rir

}n vr t v < nt e t !

't" irfornet:or rc5entet in *ht I"*h is lett i n f orF0 t i ve t he'

  • fat are sr nted in the.ar1ier Fi AE for this. >lant, f,r n ere d ie t or b ing is t! e fact ihat the I! AR doet r.o t ro f lect iFr w a r 'o.! thances t o t br5 cr' inal i,",5 tbrt w to brr ught Ot. t i n t rit sorinus arend> ntt in the rp At,

'ba' th i?

  • : l.c case s. i l l be apnerort f r o'n t he corinv ra t E Ond quettloni iermi;pt.I, i a l l os;; re 1

roincu ;nn q,sn..

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enty rsntion of tbe. f cunda t i on cet i t..r Ir tbe

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=if lricf cescripticn (f t it f ounc' A ? ion irsettiryticn in, r t t an

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ert Xil of the ff/J.

The lat ter discuss ion ' nd ica t et that ... a nd ot he r s t r uc t uret are tornorted on uedicturbed sollt or comnac ted t e lec ted ba( & f il l. "

A t r ie f cescrintinn of it :5 tvor i s ( omn l e t e l y inadequate t o r,e r ni t any 1id W rt tn te d om t.

o 'hr adequat y of Ihe f oundt-t 10t t

'e ' t ho u t ? Or't*

discv** inn of th c ero'i t loris t F,s t we re encount e red anJ t he ac t ual procedures 7 n coe*tr"cttre It<

f ounda t lorit for t hit nlant, we find it tFat were e r pimed irro*! ble to offer any co-w et conce r ning t he tdecoec y of t he de s l e'r.

In the car liar review for the cons t ruc t ion pe rmit, t he re wc 5 d!scussion j

of the nero to considstr toil-ttructure int e rac t ion end t he r e 1.' t i ve re t i e ts tetween buildinn'.

We f i nd nr.n ntinn of thete i t

  • e<
t, the f'ir

' e i a n. i c fnaly*it and : e t. i r r. -- Anne nd.l > A c ons is t s of f our tvj o r f r c t ion'

( 4. i En r o~". nc e 1 ret t hyoM r cri terla; (5) ear ? LyuMe coalyt if reactor tvildinr; fr) ea r t hquM o ant I st ;!

drywell; and (d) car t f quM e anal ys it a

reectar r e! < :re se$ vel.

tw iirtt r ei or t r.Ited or, toit n c c riterla is da',ce.'ul y 1:., IM/

t. de t e s.h :< r te far ce r l ie r then at y f i rm l da t ed dnc ur+ nt s re la t i ng to t he r e v it s. n f tir coettrvctinr. ocr~it.
l c coc ument' has ev iden t l s t,o t tse e n ti r o.a.h t e

u-to'detr are coci rio t rtflect thence? in the de5 len < r iter la that wre brou ht out doring t he cent t r uc t ion rerrri t revicw nrocest.

7he other tbrec 4

19 7, iecember ;7,1907, and Jul y R,

.sectiera ef Anarndi x A are cat ed July lb, IV 7, retnecti v(ly.

ihr three tan, les of des ign computat ions gisen therein are rs ter<? ie ll y similcr in deteil*

i>f the ; r nced.,re followed; from the inforsvtion cisen tfcrt!n It is r,a t r a t 5 i t. ) e to j udce whet her the rev it t d 5eitmic cr iteria,.

deselcocc in the con <truction perrnit re v iew of t he FL MR a nd amendrne nt i, we re cc t ut I l s,

< r* l o v. d ;n ;he des ;cr

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Ptire snecIfical11. the tnal,el' of the 5 t ruc t ur es was carr led out err loyinc a tirw. f. i f tor y annr oac h, from tha I nf orru t ion cont a ined in the f

FSIL ; t it concl>ded that ihr left, July 21, I MJ, N #-9" W r e r t hqua kt i

t er, ord ar pr or la t e l y ! re. lec we t erm l o '. r o in ?be a ri. i d i t.

%e ve r,

there i< no indh at inn in tbc M AR as to whether tbc earthquele record

.m l o ve d j

leedt in a trictis of *he tyre nero n'. d i n P l.i t e i of tfe teittCc criteria Ifirit por t ion r f i.one nd i, - A ), which wa5 the liai li of the t rec i f ied c r i ti r In.

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Marcover, in view of the apprnach adopted in the analyt15, it would i

j be-int e re s t i no t o I riow tht t he r flicht change 5 in the tire history inrut, er i

j clternativel v ' l inb r chonces in it e ethne of codeline the S t ruc ture cocId l

land in eny sir.nliicant changet in the design values arrived at.

Also wat l

t he re any aparox irmt e chec6 of the rebolti obtained lay the t t ry bit tory J

e preach '

i.

I n s orm cotes, as for v r ara; l e in the des ign of tbr reector orc 55ure I-i vet < < 1 i!s t h tertinn of munndie AI, it it nn'td there that tbr moct fheret s

I wt-r e c an'n u t e d for Lb. "c ou:. l e d tytter."

It ! ? difficult to Judpe the l

ub ri.a c v

( the anel e it c.1 5 c n t he r e i n witFout i nry i re f orre t ion at to the i

l freuw ncirs and once !i r:,rt for rr t out ir d t y' t v f.

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/ lan in ws t of t be a re l ys e t pre <rnted i t' Anprndi, A there. ate *rrinc con' t a n t ? t uc h.o thote cM i c ru t < d 6 : and th which rer re c ent t ho. f ourida t icrn stii(nes! and la te r al ret is t ance hoil-structure i nt e rec t jora).

It woulc he i

i n5 t t uc t i v r-to have mre. ctteilt as to t'nw thtte particular s n r i nt. conftarts 1

vre c h t e i n.- C = f o r me i ri the t r.c l y< o.

l 10 e t e i i rr ic resion criterie doc uri nt in the f Ae notes that dero i nt; s e l o. < of 1-

crc nt M ~ c r it ic al ere to te evnlovec f o r c rourd roc I irp trode t ha k

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of ime ne r ' n t of t r,c r V,.h it was aqrced that a salue of $ nercer t i

j wot Id t e e n n l a yc ri.

we 60ve rm any of inowing which sclue was at t uo l l y us ed.

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ar or1y aS* vrv thet 1i t'ait D i rm na?

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..m r,oted in f r(t icn.'- i that for tne n nimum I

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rarthquato f t, r 'cie shutdown i n c a s e t, iri which the s t ress combinat ions exceeded j

i y 't le t t i es s, anal yt t ? weal' t<

4 00 ta determina t he ercrdy ab*ernt Ion l

l cance lt y and to revit-that the rt:s ul t ing def le c t ions or, d is tor t iont would I

not rrevent troner fonction?ng of the s t r uc ture or piece of equitirent.- 1 hare

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l 15 to ciscustion in rte i.Ah is nd icat e whe t her s u< h cond i t ions were encounter < d I

i et any point in tir om 'gr ar d 71 to what limits on 5tro s and defort.atinr 4

j criteria were aconted to in*ure the adequac y of t he des te;n to neet 'he Intended

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j des ien e r i t e, ia.

tio r e o t e r, there ;( no cisc ut t ion in the I SAR of t he l oad i ng c or4 i na t t e r t 1

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em Inyad in the design, ihe evnlicable s t ress and def orret icn unitt e rn, l o <e c 3

e in the detinn, or any othe r dit c uS 5 ion of thl* tyne to orov ide a bas is for Jodging ihe adequacy of the deti<;r.

'be 1imited date.of this t y. e whic h i

j appeared n tho FM AR annarentIy were deleted irom the f5Ar.

ture annropr late 1 y such inf orrut ion t houlv havc t.ren updcted. augmented a nd d i s c us s tai in the l'AR.

I t.

Un iage 12.2.7 of the is/J lt-is noted that Clais 11 s t ruc t ures i

i we r e ce s i nned t v t he Unif err' Euild ine Code for Tone I cond i t lon'.

Ttis apoears t

t o t;e at s e r i a nc e w i t h t he rna t e r i a l p re s e n t ed i n arwe r to Question t.1* of 4

j Ame ncrre n t f of t he TM.AR whe re in t he. copl icant Ind ica t t d - t ha t a s e is ml.c l'

4 c oe f f i c 'i c nt of S. 5 would t e uted f or Clast. 'll

  • t ruc tures and equirment.

(lorification of t hr. aporoac h ec tool l y cryloye d is reques tco of the ant'l icer.t.

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We f ind no cont ion in the TSAR as to ths-des ign procedures employed for-.the nioing, ;nc l ud i ng t h=.tne t hods of ana l yt i s l emp loye d, s t re s i. l itei t s,- e t c.

A -. s i mi l a r comre nt ;$ opolicable for t he - c'e s ign. cf the reactor internals.

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  • uwry, on t be t,as is of the* e>trerv1y 1imited iniormation r3 r e t e rs t e d in the f!AR, & find it difficult to draw Onv conc lut 1cnt as to I

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the prnt 0t le,Vequac y of t he des ign of t his par t icular (=lant to withstand a

t ae:'-ic l uding*

We trust t h<* t add i t ioru l it.f ormt ion can t o wide avalle le

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to us, pr e f ar#4t l y be f ore our ilte vi5 it which probably will be mde t ony t i rm i

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Resntctful1y ? obmi t t ed,

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