ML19319B204

Requests Amend to Application to Provide Valve Test Program Demonstrating Operability Under Normal Sys Operation & Superimposed Loadings Re Seismic LOCA Vibratory Responses as Applicable to Sys

ML19319B204
Person / Time
Site:	Oconee
Issue date:	01/02/1973
From:	Deyoung R US ATOMIC ENERGY COMMISSION (AEC)
To:	Thies A DUKE POWER CO.
References
NUDOCS 8001100731
Download: ML19319B204 (2)

Text

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JAN 2-Sr}

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k n.hePe.erC w AITu: ur. Ametie C. m==

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Semier Vice President Production

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{P.O.Dez2178 Charlotte, Berth Carnlima 24201 Gentlemen -

i In almeet every emelysis of a==nimar power plant accident, safe recovery from the mee4 dent er esse =4====e of! radiametive asterials depende em the proper fumettee of active valves. In many e==ma these imives womid be required'to operste proper.1y while at high temperature, agaimat===4=-

pressure differume4=1=, and while subjected to a severe me*44==e or==4==fe vibratory envira====*.

The a== haw of valve un1functimme that have been encountered during laservice tests in operattag plaats, smagests that we have act yet-==tahlinhad I

t,7~= preservise and laservies test programs to assure the operability I

of active valvse.

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'3ht we have reviewed your response to our Esquest for. Inf(

ama, Quection 9. FSAE Supplement 12-3, for Osense 2/3, as it applies to active valves, and have canaladed y

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that the linfred dyeomic analytical and testing procaderes used te samfirm the operability of all active valves as speciflad are imenfficiast.

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An acceptable program would be in-sita valve testing where the

. i operability of valves is d rated in the plant during the -

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• F 4 -tasting of those eyotems designed to <=4-4*

Category I criteria. Tem are 4

" to provide as an A===d===e to your

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I Applicaties, the detaf.la of susk-a program which would demmastrate ~

I operability under normal system opera *4am, as well as under _

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leadfags, that appropriately s4-1mem seimmic vibratory responess, and i

accident (LOCA) vibsatory respemoes,as appliemble to the system.

This program any 1me1=d= either the appliantimer of vibratory deciaes to?.W.

seperimpeen the vibratory omisada med assident leadings er aar equivalent ),

P esubinettom of smalytiaal and testing methods that confirm operabilityv h.

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The test program may bs based spem selectively testing a w ave member of active selves is the piping system according.to valve type 11 r

l antamic esuL accident lead level, size,.eteJ am a prototype ha=4=.

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e Mr. Austin C. Thias JAN 2 q

j h== of the scope sad the gemaric nature of the Program requested,

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you are invited to disease this request with the AEC staff at the earliset opportunity.

Sincerely, Original Signed by b 8. Defseng L C. DeYoung, Assistaat Director for Pressurized Hater Besctors Directorate of Licensing ces V4114== L. Forter, Esq.

Duke Power Company F. O. Box 2178 422 5 Church St.

Charlotte, N. C.

28201 1

DISTRIBUTION AEC PDR l

Local PDR Docket File (2)

RP Reading PWR-4 Reading SHanauer RSBoyd

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FSchroeder RRMaccary DKnuth RTedesco HDenton PWR Branch Chiefs l

RWKlecker OGC R0 (3)

IAPeltier EIGoulbourne I

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Perun AElis (Rev. 9-53) ASCM 4344 e u. sL oovammerw? rww.e omer: IS72 464-943

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