ML20236F253

Forwards Safety Evaluation Supporting Util 850816,860606, 1117,1212,870702 & 0814 Requests for Relief from Inservice Testing Program for Restart of Plant W/Four Exceptions.Ornl Technical Evaluation Rept Also Encl

ML20236F253
Person / Time
Site:	Sequoyah
Issue date:	10/23/1987
From:	Zwolinski J NRC OFFICE OF SPECIAL PROJECTS
To:	White S TENNESSEE VALLEY AUTHORITY
Shared Package
ML20236F256	List: ML20236F253 ML20236F284 ML20236F347
References
TAC-61835, TAC-61836, NUDOCS 8711020064
Download: ML20236F253 (3)

Text

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• ['-,QFIO UNITED STATES p O p"- J}' NUCLEAR REGULMT,ORY COMMISSION:; ' ,

{. . ,E WASHINGTON, D, C. 20}5 l 5\- (- .4 a ( I, t e . .N . . e i

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, Docket Nos. 50-327/328 0

/ October 23, 19874 1 3

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Mr. S.'A. Whitd , >

Manager of Nuc',dir Rwer . >

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.t Tennessee Valley'Authorits '

6N 38A LcatrAt; Place W .r 1101 Ma@e'( StriaQ - ,

Chattanooga} f@nessee ' M4062801' b

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Dear Mr. White:

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SUBJECT:

REQUEST FOR RELIEF FROM ASME BOILER AND'PRESSUM VESSEL CtRE, SECTION XI, INSERVICE TESTING PROGRAM (TACi 6163D, .61836). i

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Re: Sequoftn' Nuclear Plant, Units 1 ,and 2' , h c- St b4 -

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By letter. dated Marchd,1982,: Tennessee Valby ' Auth4 rite {TVA)'subrnitt'ed an '

t Inservice Testing (IST) program for the Sequ'oyah Nuclear Plant,0. Units 1 Land 2.-

The IST program for Sequnyah was revised in submittals' dated sNovember 4,1982,, ,

' April 16, 1984, Aug,ust 16, 1985,. June 6,v1986, Novembar' 17,(1986; December 12, i 1986, July 2,1987, aMAugust 14] 3937, ' In the'abovC letters, you requested 4 relief from certain Amer 4can Socinyy 6 Mechnnical Engineers (ASME). Boiler and' Pressure Vessel Code Sectibn XI testing! requirements: fris specific pumps and valves in the Sequoyah Units 1.and 2 IST program. l' Thes'.affissueditsevaluationofthefirst.threesub$lttaisdatedMarch31 ,!

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and November 4, 1982 and April 16, 1984, in its-SafetyqEsahht> ion (SE)' dated '

April 5, 1985. The . staff denied eight relief requests ariprovided additional ~

requirements on the submitted IST program. 'Tha encloaed SE provides the staff's evaluation df your tix submittals. listed above tdat'were submitted.

.after April 5, 1985., Thesd six submittals involve I'lircliof requests needed for the restart of the Sequopah planti  ; ,, f Thestaffhasreviewedthe21restartreliefrequestsjanpfindsthem' acceptable' with four exceptions. Cne exception is that one relief request dogsLnot fall-within the scope of Section XI of the Code; TVA has al h o propgsedi in,its five' 3 subrittaisdatedAugust'16,:1985.to' July.2,1987,other%rf0frequestsiand 1i prograt' revi41ons not' needed prior. to restart.1These a'r e 'ent$ntly: Under: staff review. tTbb basis.for our conclusions on the 21 restartirEH ef requests is

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providedist).denclossastaff'sSEandtheattached. Technical _$alu'ationReport

. (TER) provided b) our contractor, Oak Ridge National Lqboratory. .

concludes that 37, of. 21 Code testing . requirements.toarehmpracticaI. Th' perform and-has ' determined that the proposed alternatives to the dveribed requirementsLwill prov.dei an ecceptable level of ouality and's'afety.'; The htaff also co'ncludes; that. grantinf relief where the Code requirements are. impracthni is authorized :

bylawanfwillnotendangerlife.orlp*operty,orthecommondefenseand' security. '

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i and:is'otherwise:in',the_public' interest:c'onsiderfngtheburden.thaticould'resultc .

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'upon TVA.if the' Code requirements'were'. imposed upon.Sequoyah Nuclear.' Plant', Units' d i1:and 2 Accordingly,- pur'suan_t to,10. CFR 50.55a(g)(6)(i).. of,.the: Commission'sL. _

regulations, TVA is' granted the . requested relief,l as , documented-.in'the enclosed l ,4 staff SE,'fromjthe Code repair. requirements for'certain pumps?and valves 1n the!

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i IST program.

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. Sincerely,; ,

' Original Signed By.  ;

W John for A. .Zwolinski, . Assistant Director 1l' .

Projectsi ',' .

TVA Projects: Division: / '

X ' ' d, Office of Special-Projects ,a q

Enclosures:

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As' stated d cc w/ enclosures: '

See next page s

Rq DISTRIB'UTION .

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ResidentTInspect6r/SequoyahiNPt . . . . . # N L Mr. LR. L. GridleyL. ?c/o U.S.L. Nuclear' Reg'ul.atoryiCommission ,<  ?)

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KATTN: 4DirectorfBureaucofR , , . H Sequoyah Nuclear Plant. . " Environmental Health? Services.;

'P.O. Box 2000- 'Cordell:HulliBuilding' .

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1 Mr. D.' L. Williams .Mr. Michael (H.gMobl.eyr. Director 0 Tennessee. Valley Authority: - Divisionlof. Radiologic'alLHealth ! i

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