ML19289G247

Responds to Ellis Request for Addl Info Re Stress in Svc Water Line Resulting from Pumphouse Settlement.Redesign of Pipe Sys May Be Necessary

ML19289G247
Person / Time
Site:	North Anna
Issue date:	07/29/1975
From:	Beraton L NRC OFFICE OF STANDARDS DEVELOPMENT
To:	Thornburg H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
Shared Package
ML19289G243	List: IR 05000338/1977003 ML19289G242 ML19289G244 ML19289G245 ML19289G246 ML19289G247 ML19289G249 ML19289G250 ML19289G251 ML19289G254 ML19289G255
References
FOIA-79-214 NUDOCS 7908080705
Download: ML19289G247 (3)

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JUL 2 91975 I.

I M. D. Loir. burg, Qicf, 71old Ce7 port cad Enforec=ent Drc.acn, Of fies of

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Ir: poet. a tad raforcsr.a t, Candquart.,rsC. 2. :'t.,hy, CSicf, 70:ilitics C;ac

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7:.:.c; ctic2 and isfc.:c:21e, 7:: ion 11 Z SL.I."'CDT, IMT3.*E:A 1 CD 2 - VIItGISIA hb;CUIC f. TC'!CR CC'EMiY, l'. M.

CCICT h"S.30-333 i'D SC-37,9 2 tion ecc:erning In : penas to W. P. i~111s' roc.em a for cdditimi infor rtrcca in the sod.ca Lat.r lhu to Caita 1 cad 2 r; 3citius fre s pu_ptcuas attached is a erpy of 1.

I,. Tar;ec:::2's cr tury of -meing Ntucca cottic:: at, tha lice ="es :.ad his ec::eltcats cad L2L ccd timir ccesult nts dated 10, 1975.

Jaly 17,1975 c a 7 7C0 letter, Serial Ca. 521C, m'ated July ctr2;.a lan i is tha piping syste.m "T.;) prali-bary data Edicated that th2pe;,gt: ;3 aft,ar th2 pip o rare weldad iato frc;2 a c:2 fech c,ittic aat of th nis v.,1us e.cs ch:11~:pd ced the calysis 70:itics would bo erly 2300 pi.

fince tas conai63 red cruds by this inspe.ctor ninco ie did cat c' qeataly ra tha prcpsr retraints, tha pips scorotry, or tha coil pipe intorsetion.

Is pr:.? retien for ths Atly 8,1975 : stius, ths lic ucas's ecscultro, i

Stcra cad h* abater Easincoring (SW), ressalysad tb3 pip!=3 c3 bc :-s en en slaatic fot.:!ctica fcetoring in ths coil istaractica ced ths systrus eenfig-uratf.:n.

13 r1 ruult of scus pralinissry inv00ti;ctio:2, SW ritetod at tha I

In cdditien, a:sti g that ths neroscas in ths pipe ars cbcyo coda allcreble.

tha roenlysis indicatod that othar ctraa:es trill bs.separinpoc.:d fr:2 a tor ce (esti=ated to Na o.pprcr b toly 1.100,CC0 ft. 15s.) that racy lar 2

), a tiill reault from tha diffarcatici eetti.>e at.

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the c=ict ctress values are not available at this ci-s, but it ess SW's Cecad ;ca 2 of tha pipe cystca ay be r.ccoccary.

opinirs that a : f:3i0:

the reta21ycis, this prebica t.:s ce:.sidered by 7D00 to do a ::.;ortable it:a cador pro-risiens of 10 CfR 50.55(o) as utr.t d in tLair L.ttar of July 10, 1975.

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