ML19339A166
| ML19339A166 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 06/19/1980 |
| From: | Tribble J VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | Ahearne J NRC COMMISSION (OCM) |
| Shared Package | |
| ML19339A163 | List: |
| References | |
| NUDOCS 8011030177 | |
| Download: ML19339A166 (2) | |
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ENGINEF4tNG CrrtCF runnemt nuao
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June 19, 1960 Dr. John F. Ahearne. CluttPAn United States helear Fegulatory C<maisef on Waakington, D. C.
20553
Subject:
Contataswat Ine rting.
Dear Dr. Aheerna:
On March 19. 1980 Wes.one Em=..
personnet.rere affor<ic4 the the es : -i.inioneen and oc opportunity to attend a mencing between e
staff in which the staff prasented their position on pnat-scetden::
hydrogen controJ.
'This position included 4 rect.rre mdacion that an immeediately ef fective rule he leau-4 to requ1ra the tuerting of.- L1 3%T Mark I and II cont =1 ce nes.
vorenne Tankne atrererintes :n.W ng had the opportunity to attarrut t hat oceting and pre sent our cruse rna regarding operation with an tuarted contatument.
At the conclusion of the oc+ttns: the com ( s es i <m e es re<t u ca t ed that the staff perform a stuefy to ducerutne ubether inerting et rancrees other than Vermont Yankee ramulted in fester dryveli entries to perform voluntary inspections. As part of our concinuinig activf ty in ehle area, we have rmrieve= ocr vaar at Vetisont Tankee and there have S e *+i 9 'mneh,iuled 4r llarch f ?
t, lema then one year of operetton.
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- these n r.a c i s t icg nr. not
,er".tt ha-omose there are only twn aro,'e w(etouc inerting, it n e ar w cia =r that our contention that inerring diacour= wen contt !nrw nt i rim pec tion a anri==v well contribute to risk (rather than reduce it) in supported by thene numbers.
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Moreover, even before the "treh 19th norttnc. V-r=ont Tans en set o=:t to quantify this rJ ak dMferenttal by munrding a enntract. to -he Y.assachuis e t ta b atituto ai' Te c hnolog-- en o c r! s rn
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assassawac cc:= paring the rid of M f tg to :"e 1G a l '""m
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j the.nyugw pr enen.1-- n n e. '. 3M "This work ia procechug ri gi. e
.u t u nw c : t. t estr*::::.a ri 5r.~ m o-kraan C. Raummaseen anel *av taire aerer=1 nneh, to e<m Inc.
In addition to Vermont Tankaw's efforte, rh Cs"wral T. lac _r e D--can r ts in -he process of performinz its m.in vun o r ni operiit tu:; %h sriria 17 s' r t ed Df"]D D K Tf dom oAM1Nd' d011030l7 7
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.;.a n a 19 1%0 Dr. John F. Mwnine. Ch=1 mn Page Two United States Thaclear Regulatory Comstes. ion containrents to afetermine whettier army benefic in terres of reduced rink.
could be realized by these plants through Je-tverting.
Gencrn! Zlectri.:
is still collectfug data at tht= tue.
hor 5.
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"f Cm.rol In view of e5>e ef t' ort < unstervnv be Electrte, we believe chat it unu;d 5= prunent m def r nv i c1winn the containment inerti.tg t = sine imtil ther., studies hava b.en eregler.cd.
These studian shoi Id provt.h> 4 ren.;<* nadi e dets brasie fro.
nicii :en Ia-formed, rational decision can be reached.
For the reasons presented :4!.srve. Vern,nt Yanir ew r eapac t. fully wipwars that auf!Icient the be granted to silev the acud iew uo>iervov :o %
tu your finnt vou for your ceuwid. -a tion ;,r 1.,r completed and prearnec4 rn decision on containment ine r t1w.;.
Should you have.=nv que tf ons twgarding out af f<>r r o in t5ia nren.
we would be glad en.31,cu.m the,with you.
Very trC y ~ cura.
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