ML20206G543

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SER Supporting Employee Concern Element Rept OP 30301, Difficulty in Obtaining Obsolete Equipment
ML20206G543
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 11/04/1988
From:
NRC OFFICE OF SPECIAL PROJECTS
To:
Shared Package
ML20206G037 List: ... further results
References
NUDOCS 8811220310
Download: ML20206G543 (2)


Text

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F. p"' N ,'c, UNITED STATES  !

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je NUCLE AR REGULATORY COMMISSION W AsHINGTON. D. C. 2066$

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i SarETY EVALUATION REPORT BY THE OFFICE OF SDECIAL PROJECTS Eu:LOYEE CONCECN ELEWENT REPORT OP 30301, c

4 "DIFFICULTY IN OBTAINING OBSOLETE EnUIPwENT" TENNESSEE VALLEY AUTHORITY SE000YAR NUCLEAR POWER PL ANT UNITS 18 2 DOCKET N05. 50-327 AND 50-328 k j i

1. S. !e:t Cate;:ry: C:erati es (3:0:0) >

j Su:: ate;;ry: Inst .-eatati n ard Radiation Monitoring (30300) l Ele ent: Dif fi:sity in 0:tainie; Ces:1ete Equi: ment (30301) {

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E: 1:yee C:n=ern: h-5 5 0 01 i  ;

1, dated Oct:ber 21, 4 Tre easts for Ele eat Re: ort CP-30331-SCN Rev. i j 1956, is Watts Bar E ;1 yee C:ncern IN-55-341-C;1 which states: I i

' "Old plant instru entation (:rocured 10-12 ytars ago) is often no (

or not possible to  ;

longer manuf actured/s:are parts are dif ficult  !

obtain. Purchase recuisitions for unobtainable parts are cancelled, yet ce;ni: ant ana;etent (de:arttent kncwn) have instituted no [

alternative reasures to cetain suestitudens of carts /reola:t ent

.i items. CI postviated inis concern to both Units 1 and 2. Management  !

(Pa e knc=n) is aware of this prcblem, t. has provided no action /

4 2 -es::nse. No furtner details availacle." I r

1 This concern was e v a ' w a'.e d Oy IVA as Deter'.' ally safety-rel4*ed arc [

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j 3 generic to Sequoyan.

No l eMc .. 5.--a y :, ,st.e coao

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.4 o I"e issWe defired Dy I'e'A C:":e'ns 1*e 40ecua:y Of r0Cedures aNO *eIN UO' 00 I:;y used in : tainte; 5:are : arts for Or re: '!:e'ent Of C0s:Iete O l a"t l 35 inst . entati:n. l t Mo I OC jl ge  ::: E.a'.a*  :- [

ers:rr el ceter-1-e: t at it:.:ya- Staa a-: a:t':e 5:*-60 :*:*':ts (

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53 t 0 1 0- 4::a:priate rete:.*al :09t#: 's #:" re: air :- *e:ia:e eat :' ::solete *

! :lan', instru-entatt n. t** ugn L'ili:ati:n Of t *e .e sign C*a*;e 5e:.e s'.

1 (0 R) :r::ess. r

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e:e ,ieas :er#:* ed :y TVA curing tne course :f the investigati:n iaci.

i case trat wPen Foaer Stor95 could no longer provide a scare : arts inventory for original e:ui: ment, the rescensi:le -aintenance se::t:a.s are l notified to initiate 4 0;R f:r re:lacement or s.:stitutten of e:.i: emt a:t+:e in i ac:Ordance with Acministrative Instru* ton AI-11 and Standard j 5;A-45. (pr::ede es ani:5 :ontrol Re:sipt Inspe:ti n, Substitutiens, a-: i 4

Cwality 0:nt' "! *aterial carts and services).

1 ant f ine intervit.. s *'.o indicated that there are no adverse ef fects to i i

safety be:Aud ' ifettet epip' tnt is periodically verified to ?tet dest-n i

and Tecnni:a! by ; ' ,1M en "equirements through use of Surveillae:e 4

Instr.:tiens.

T.we TVA evaluati a*c M,..d th,, the Watts Bar concern IN-SS-341-001 as not valt: fee Se # . a m tu t appropriate procedural controls esist to  !

assure 1:entific 't W c't e-ent of cbsolete plant instrumentati:n. l Cemelusien

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Tre N;; Staff beliew . thot the TVA investigation of the : ncern ans l

] a: equate, and their resolution of the con:ven as described in Ele ent .

Re::rt 00-30301-SON Rev. 1, is acceptable for restart. An NRC Cuta;e/  !

M::ffi:sti:n insce: tion at Se:c:>ah during the periocs of December 7-13.

! 1956, aa: January 12-23, 1957, cid r et identify ary examples of como:nent J

er syste: -::ifications wht:9 in::rporate cbsolete plant instrumentation.

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