ML20206G543
| ML20206G543 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/04/1988 |
| From: | NRC OFFICE OF SPECIAL PROJECTS |
| To: | |
| Shared Package | |
| ML20206G037 | List:
|
| References | |
| NUDOCS 8811220310 | |
| Download: ML20206G543 (2) | |
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NUCLE AR REGULATORY COMMISSION e
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
"DIFFICULTY IN OBTAINING OBSOLETE EnUIPwENT" 4
TENNESSEE VALLEY AUTHORITY SE000YAR NUCLEAR POWER PL ANT UNITS 18 2 DOCKET N05. 50-327 AND 50-328 1.
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Cate;:ry:
C:erati es (3:0:0)
Inst.-eatati n ard Radiation Monitoring (30300) j Su:: ate;;ry:
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Ele ent:
Dif fi:sity in 0:tainie; Ces:1ete Equi: ment (30301)
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4 Tre easts for Ele eat Re: ort CP-30331-SCN Rev.
1, dated Oct:ber 21, i
j 1956, is Watts Bar E ;1 yee C:ncern IN-55-341-C;1 which states:
I "Old plant instru entation (:rocured 10-12 ytars ago) is often no
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i or not possible to longer manuf actured/s:are parts are dif ficult Purchase recuisitions for unobtainable parts are cancelled, obtain.
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yet ce;ni: ant ana;etent (de:arttent kncwn) have instituted no alternative reasures to cetain suestitudens of carts /reola:t ent
.i CI postviated inis concern to both Units 1 and 2.
Management items.
(Pa e knc=n) is aware of this prcblem, t.
has provided no action /
4 No furtner details availacle."
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r This concern was e v a ' w a'.e d Oy IVA as Deter'.' ally safety-rel4*ed arc
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generic to Sequoyan.
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UO' I"e issWe defired Dy I'e'A C:":e'ns 1*e 40ecua:y Of r0Cedures aNO *eIN
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'!:e'ent Of C0s:Iete O a"t l
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I:;y used in : tainte; 5:are : arts for Or re:
35 inst. entati:n.
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1 53 T,'a :ers:rr el ceter-1-e: t at it:.:ya-Staa a-:
a:t':e 5:*-60 :*:*':ts
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4 0 1 0-4::a:priate rete:.*al :09t#: 's #:" re: air :- *e:ia:e eat :' ::solete t
- lan', instru-entatt n.
t** ugn L'ili:ati:n Of t *e.e sign C*a*;e 5e:.e s'.
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- e:e,ieas :er#:* ed :y TVA curing tne course :f the investigati:n iaci.
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
i notified to initiate 4 0;R f:r re:lacement or s.:stitutten of e:.i: emt in i
ac:Ordance with Acministrative Instru* ton AI-11 and Standard a:t+:e 5;A-45. (pr::ede es ani:5 :ontrol Re:sipt Inspe:ti n, Substitutiens, a-:
j Cwality 0:nt'
"! *aterial carts and services).
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ine intervit.. s *'.o indicated that there are no adverse ef fects to 1 ant f
i safety be:Aud ' ifettet epip' tnt is periodically verified to ?tet dest-n i
',1M en "equirements through use of Surveillae:e i
and Tecnni:a! by ;
Instr.:tiens.
4 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
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c't e-ent of cbsolete plant instrumentati:n.
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Tre N;; Staff beliew. thot the TVA investigation of the : ncern ans l
1 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.
J 1956, aa: January 12-23, 1957, cid r et identify ary examples of como:nent er syste: -::ifications wht:9 in::rporate cbsolete plant instrumentation.
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