ML20140G336

Recommends That Licensees Visually Check BWR Relief Valve Discharge Piping for Damage Based on Damage Found in Duane Arnold Relief Valve/Torus Regions

ML20140G336
Person / Time
Site:	Duane Arnold, 05000000
Issue date:	07/22/1975
From:	Tedesco R Office of Nuclear Reactor Regulation
To:	Goller K NRC
Shared Package
ML20140F372	List: ML20140F369 ML20140F376 ML20140F419 ML20140F423 ML20140F429 ML20140F449 ML20140F485 ML20140F505 ML20140F512 ML20140F516 ML20140F522 ML20140F533 ML20140F546 ML20140F559 ML20140F580 ML20140F593 ML20140F603 ML20140F628 ML20140F657 ML20140F670 ML20140F689 ML20140F695 ML20140F706 ML20140F724 ML20140F750 ML20140F770 ML20140F788 ML20140F807 ML20140F950 ML20140F981 ML20140G002 ML20140G018 ML20140G028 ML20140G040 ML20140G069 ML20140G098 ML20140G110 ML20140G170 ML20140G175 ML20140G183 ML20140G188 ML20140G195 ML20140G202 ML20140G208 ML20140G215 ML20140G221 ML20140G226 ML20140G231 ML20140G236 ML20140G241 ... further results
References
FOIA-85-665 NUDOCS 8604020186
Download: ML20140G336 (2)

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P GWR RELILF 7;.LVE DIdC:iteME PITI.iG I.iSPECTIC:e We rece.:.ly cat viit.a repre:2ntatives fro-a JJ ani I;E rcacrain: t,'u ca:.:a:je found in t:u.fu2r.e Armld ralief val /;/cc. rec.i r.-: ions.

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are s.ct rivie to dis.orce wita t::e curreat 4.inica ra.urlir.9 tae eaitiae-ness of ta2 errar....an: and installacion. I f.nl s:..:... hat less tra conviace.i tna t tae mtt.:r remains so uni s.: o :.uar:..r4 cl.; c.at sheald nat aa coacurr.ed on 0:ur plar.cs,

..a ll:. ny u.: : Smc is ::e c so stron: taat I ruc.x.;;r.en:i 1.x e.:ia te actiaa en all :;I; act, I c.a.. l i n.:

tnut as plant-au.sa tina becoo2; availcal a, t.c :m1J t. :aure.: l i ;...:t. es to at lea:t :. i.J. ca.t: visual coc.ss on L..

puihts el S. ;.'ert.

I i Qi r, res#c:, I believe u : snuald uai.a saca f f;rts an ar#:n's F.:rry n...

(5Uva) VerOOnt VaidQu.

Sals;qusdtly,1,0 Cn.;J10 conti:

.>e (3 (.cc m:ge all lic.::.caes to c.au stailar acciva.

I.cse :../ racer.et.n tina ;,. s u coricera caat vc ara all c;.peria.ein.) reprair.-: c ;rre:.' rr%1. s ei t.>

tl:4 relief V.ilva disc Drge lia25.

I Uoul 2;.;raciati y,Ur '.iiOr.. i,n C4115 acL10TI.

Originn! Signn! by Robert I.. Tulesce P.obart L. I::Je:co, ossis::.ot.,ir.;c.:ar fOr C01? 2i r...di.t $a n:'.,'

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I l'ote to :'arl Galler GWP. RELILF */ALVE DIdC:L'e GE l'IPl.iG 1.!$ PECTIC.';

Wa rece:.tly :.at v:ita rapru mtstives from G.1 ani I L r.gerdia: tiu car.;a:p foun:t in t:u Ju:tr.e Arnold relief valv;/carec ; r.-:iens.

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are r.ct aule te disagraa rita t.:e curreat a:.inica ra.triir.9 t:se cairpe-ness of taa errar. -.an aa.1 intalla cien. I f.r.:1 3:..:.. hat less t.nn convinced taa t ue mttar reuins so uai :.u o ; ;;ar:. <.rrcl.; c.at sliculd not ua coacurr.ee on 0: ur plar.cs.

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tnut as plant-Ja.sa tir: beco. as availacle t.c :ocaid t.:.)ure.: l i c..:t es s

to at lea.t :..i.c ca.u visual c.acKs on c..a.

points of 5.:;wrt.

1 ; Qi r, resps:., I buli :ve '.ca sou21J uai.a saca cf f;ri,s ar. ar..e co's Ferry 10..

(sw::) Vertont Yaakce.

Sui s;.;ue:atly, v.; cr..ul: cu n t i :..> u ca s..ca u rie all lica:.caes to

.de siailar acciua.

I.mse.s r>:cc.enn ti<ia v,. eu concera caat vc ara all c.werict.cio.; rc.:.prJir.; curre: ' rroi.1..s.;it.i th : relief v.ilva discaarue liaas.

I no.:1 1;.; racia t. yxr

.a' ice.. c,n tais accian.

Originn! Sigun! by Robert !.. Tulesco P.obert L. Taducco, Assisc ot. sir.;c;or for Cc itair...ect Sa f.:;,-

!;ivision of Teca:.i:al.hvi:u cc:

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