ML17252B061

Letter Regarding Inspection Conducted on 05/04-05/1972, of Events Associated with the 05/04/1972 Dresden Unit 3 Reactor Scram and Safety Valve Operation

ML17252B061
Person / Time
Site:	Dresden
Issue date:	05/12/1972
From:	Grier B US Atomic Energy Commission (AEC)
To:	Brian Lee Commonwealth Edison Co
References
Download: ML17252B061 (2)

Text

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'UNITED STATES

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• .'Docket No."50*249*,:'.:': *.~. '<.".

ATTN,:. Ml': Byron Le*e. Jr.... *,_-

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1.. ?bis i'e~e:t~ to the 1n~P,ecUon con<l\\i~ted by~essrs *. Datili~-a~d:FiorelU :... *

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• o~ficiEf on,May' 4.~nd* _5, i972,.~f-the *eve"is assocLiit.ed* wt.th_ th.e M~y 4, *1~12,. Dread.en un~t _3 reactof s¢,am eQ4 safety v~lv~; 9peraUon~.. *,_... ::..:*\\

'." and : tQ.'disc~sst.o~;s. o'f OU~ 'findings. li~Jd. by Messrs.. I i>a~ce;,a~d: F~oreUtj; :-.: '. " ' '*, ;'.: :. _: -..

wtth'*Messrs. Hoyt**and.*.wcn:d.en of your ~st4.ff at *the conclus.ion' of:_the -. *.... > ",'.-;~-.::*:*....

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Areas--<ixa~in..~d"durlng the.. :insp~c~10n, *inclu_d~d* *~~~*pm~~t:*responses ~,.:(.

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_,.subseque~t *to ~h~. event. consequence,* ~f ~11f steam. line saf~~y v~lve, **....

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., opeta'd:on a*n_¢oo,ip9rientff:wt~hf.n**the d.uw.e11*~* actt.on~:~ak~n:*to ~<?ne~t:.*:: *..-:**..- :* '<'. --. *

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. repre~entatt.ves,. t~t. a p~ogr~m to.., dete~ne. and'...-emedy the cause for :......_,

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• _the *QpeJ!'ation of ~team* "1ine"*saf~ty valves.at-. t.~~i than intended- *eltef:. ".. '.*-Y *

$e't.ting. 's.,.belng'_mlpedf.t~ct oii a PJ:'iOrlty bad~~: 'I We ~4ei-stari~, *t~.t. '_ *.. - ~. *~

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