ML20090A762

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Forwards Interrogatories for Licensee Re Deformations of Buried Piping Due to Differential Soil Settlement at Facilities.Rapid Response Is Necessary So Evaluation Can Be Made Prior to Hearing
ML20090A762
Person / Time
Site: Midland
Issue date: 11/06/1980
From: Bosnak R
Office of Nuclear Reactor Regulation
To: Miraglia F
Office of Nuclear Reactor Regulation
Shared Package
ML17198A223 List: ... further results
References
CON-BOX-13, FOIA-84-96 NUDOCS 8011240120
Download: ML20090A762 (3)
v • d • e


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2. J. Sosnak. Chief "echanical Engtwering Rra[4h. :ES 2

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SUBJECT:

14TEt0GGATORIES FOR ';NCDGRCIFS PIPI'$ IN THE %wC4Pi FILL AREA AT THE NICLAMO 'IUCLEAR PLANT

? lease fled enclosed pages 1 and 2 of the Enclosure to ETEC letter WC-ORF-4465 trangeittfen Interogerstories for Constrer's Power yspany. O=ese questic9s are subattted te connection wit

  • the :!1Scovery Meted reisted to t e uccor Ing hearin,a on the *0rdee Modtfying Construction Deesits PP 81 and '.'.*.

'+3 will require a rapid response to these questions so that en evaluation can '.e made prior ta the hearingh I

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8. J. Sosnak. Chief Mechanical Engineering Branch n1vit ca of r,ge,.,1,9 i

Enclosures is stated cer J. B. Knight, DE N. L. 9runer, UE F. C. CNrny, DE O. Hood, DL W. Patan, ELD l

J. Kano DE L.sieller F.9taaldI,OE DE l

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Contact:

A. Cappucci, 'JE "O, u29479

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e'e-eece cesaceses :: tne V: 10 CrR 50.5 lf; Re::.es: ega-:ing 81an: F'il fsr Mid' ens 81 ant Uc':s 1 a-c 2. C:r.s.re-s Pawee :mpanf. Occset %#eers 52 209 a-: 50-330.

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iWat meet : e :et teaia for deterWa.i ; w- *,:

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~ e;cey ; :.eted fires meev :: :e :

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a-c.nat =ds :9e justi*ica:1cn Ice : ese :- te-a?

a;:ea s inat n 5:re se: iors c' Se 3".'?ie:

i nes t9e stresses see c:ns'ceesoif a i ;*e* taa'-

t,0se !iste: ti se re'ererce.

inha: :s :.*e w cc used to ca'culate the stresses in tPese itaes 2:.e to :ne d'"erential sait se : eme:?

2' The e a-e sections of the se:f t'ed iWs v e-e tre s!oce changes rather rapidly.

This would indicate nign ices! Dearing leads.

24: are ta.e mage ' t ces o' teese ? cads. tyce of load and :.9e:r ;r::amie cause?

?he secti:es of line mneet :ne s!cce c'tanges rs:'etj C:1.Id have Mign bearing loads and als: 91gn te' ing str?sses. shat assurance is *"ere tN4* IoCa! Sck!ing

=l not :ccur in these areas?

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' hat act?:n is c:nte7?ated for sve ed st:.s i' tae st esses $.e te t$e secund set:Tement a-e ge= ate-194n ne sce a"omma:!e for J 5,?

S' pat assu r te is the-? t9at :*e ee':r w: ? nes 3.s ac* tnduct M t gn e.g**!e. or CCCCCeen! Icads ? Some Of De Dro'i'ed 11ees have considerat?e s':ce at atta:M-wa: ;ctats to etaer 2 c.. tanks et:.. and at A dteg

ecetrat sns.

I' these if aes se*e ' e:ed e:: =cs tion

?a s e t*e #1-a! *?os.ee ee! ce t**e sett'e9ee cc.
red ma***f a# ae tM fina? CIs s are we' as se *e asie.

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7) have sethc,ts for meas 4 ring in sit:4 stresses in t.*e ce'c*w! s'Oiag Sect tw!'sttec :* t*'et?

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why vest? Dnis may be t?e onTy metac4 o' cetamtateg 1.*e statsses te serie areas uPere tse fie&T CI:st re l

meIcs %ve te*a 1eace te'ar* t.'e Mj:P sc* i

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settinat oc:.**ed C* ure*e t eee i 5 a :: acta *a ec I:a: c.e t.2 Sore enticies snenomewlr.

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If tSe stresses in t.e Draffied I'*es enceef Coce a"emmat

  • es. scar e I tits 3e ceT3 tee 1: tme new.

profi'ec I taes?

9) C.rmt pen'i tes re#Iec* 3rtse** set *'N! onif.

Nce de you plart to acreestt for tite adC*tiona?

Settlement tPat eC:urs ever *.Pe Tife of the giant?

IC} liflat are tM Criter'a 'er t.%e sintet.rt rattie 53 ace c' O.ategory I Ot3'ng at bstid.Mg ceaetaations and i

l do al! t.ae Catepry I pigtag genetratices meet these cet terta?

If not, apet Corrects w action ts cr00cSed?

i II} M ts t.4 SIcot of SGRe of the I tg5 at bud d'ag gene *ra:1ans it appears that there ceufd be cIearance on one stde af 13e penetrattan ard C.antact on t.ie Outer. hfhet asSwrante is titeft tha! t! tere 1514f f f :199

  • 4 C?ea*ance ever the lengt9 ef Lie genetratton to aCCoe-metate t.*e diffefTatial Settfement tetmeen 13e 3'pe and tse :n.t Ic'99 and ti!e eesectad Setsat: eact tat 1ans?
12) D9 aC:uracy (and re?'attfity) of

.*e aetmed used to l

pr2f tit 13e D' Des 5icuId he C! art f ted.

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