ML19270J032

Provides Subcommittee on Energy & Power W/Summary of Teknekron Research,Inc Rept Re Licensee Regulatory Performance Evaluation & Draft Rept Re Operating Experiences of Reactors W/B&W Nsss.W/O Encl

ML19270J032
Person / Time
Issue date:	11/02/1979
From:	Stello V NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:	Dingell J HOUSE OF REP., INTERSTATE & FOREIGN COMMERCE
References
NUDOCS 8001140512
Download: ML19270J032 (2)

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'..'q UNITED STATES NUC'_ EAR REGULATORY COMMISSION E

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-e <..i<r r R es ea r:7, 11c. -as equeste: by the IE staff to perform a study of

e ri-i 9; racisar p wsr :: ants wi-h Eid nuclear steam supply systems using

ai-teenricue f:r anal.:inc causally linked events.

Teknekron performed a t.: : nase stu v usine tii: :e:hni ue 'nicn has been previously reported in

';;E;/CR 31 C '(onase":) a,c.N.' REG.'CR 0979 (Phase II).

The results of Phase I

..i s use: Is :re :f tne ree trial matnoes for Licensee Regulatory Performance i.I'.iti:, (LIFE) atti.: sc t, ne IE s aff in 1977 and 1976.

e :s t re:a, Tekne<r:n stu:y, tne esults of which are sum.marized in the i :'.: sed re:

, is a par Of a c:nti. uin; ef fort by the IE staff to develop i-s'fective :r:; am 'c

.R:E.

5sveral a;proaches to LRPE were attempted

e 'ous'y ar.d tne restits we e mace available to the public in flovemoer 1978.

. - it ti e it was rip:r ed that eace cf the three approa:hes attempted s a-ist':ai :rea-ent f nen:cmo!ian:e nistory, ratings by regional inspectors, 1 a'> sis of causa'I

'iiked ecer.ts) had strengtns and weaknesses, but no 1:

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' ;'s metn:c was fav:re by.ne :E ts:nnical staff.

' :<; ne Tirae V le :stard a::idant, Teknekron was requested to perform a

..:. Of ::arstir.g reic:c s w'tn iiW ruclear stean su:cl;. systems to determine

. y '.-tr.er sa's y i.s nts : uld te gained by the analysis of operating

+a:irier.ce at tr.ese fic'l'.ies as rep:rted through Licensee Event Reports

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e i:::rtance :f e.a'uat'ng ::erating experience is emanasized as

. 'sisen learned f r.t tre Terie M'le :siand accid.ent.

80 071 40 $tr

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- : if e::rt of tns results of -his cost recent effort by Teknekron is E: '.ss:.

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.aee not yet c:moleted cur staf f review of the report,

': Er:ec in i s :reser.: craf t form because of the potential for public 4.

Sincerely, Victor Stello, Jr.

1 rector Of fice of Inscection and Enforcement

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, EJC Divisicn Directors

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