ML20049A328

ROs 80-095-01P & 80-086-01P:review of Containment Atmospheric Dilution Sys in Response to NUREG-0578,indicated Logic Circuit Relay in Units 1 & 2 Which Did Not Meet Single Active Failure Criteria of Sys as Stated in FSAR

ML20049A328
Person / Time
Site:	Brunswick
Issue date:	10/16/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
80-086-01P, 80-095-01P, 80-86-1P, 80-95-1P, BSEP-80-1731, NUDOCS 8011140023
Download: ML20049A328 (4)

Text

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P. O. Box 10429 c,, . . , Snuthport. !1C  ;'8 4 61_ .

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P. J. Mc11og, of your office, at 0945 on

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' - 'im the etit.itttmerit atmospheric Dilution (CAD) systots in renpenne to it-

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H:-05 7 H , C.srulina Power & Light Compriety han t!cte ri-Ismd r<. t o . .. :1. t t,

..L L!se in t he loF..l c (1rCO.it for both ilrunswich I.Ini tn wh {ch air'cn 191e .a Live f ailures criteria of the CAD syster> tis stated in I ' ' . /, r: lorn o t~ thin re I ny , Inented t ri tite cuttLa t e.merir. Lt.ul.it ioni i *We t i. ,

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"t. .I. P. O'Ite111y October 15, !!#FO l h <- I ': p t, t a t.e. s that n it ros; cit linject.lon vill not he recluired until apprnxi-

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y Lt.it hune :i af ter a t.0CA event with fuel damge to cutstrol t he eenyi:e n

< ;u t r< d To enrure that nitrogeti lujection can be ncco: plirbr:t hru

e 'th thit. relay iti thu failed condition, the operatine, procediares

..r il. f in; in ja_ct ion are be:1 rig revised to advise the uperator to check Llic it:,tiu.

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thin relay thould the injectioni vnivro fall to open.

.,1 The pro-

' hr n . include tttstruct ions for ju' peritig the relay contactr. to f r ; t proni .i ite proit iers f or valve upcrah tiity with avallnble- p rer!r n i;:n., r e d 1.*I* 7 .' . .; g laut vndif tration which is heinn prcprired in rea:positie: to

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