ML20037C227
| ML20037C227 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 01/27/1981 |
| From: | Davidson D CLEVELAND ELECTRIC ILLUMINATING CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8102020528 | |
| Download: ML20037C227 (2) | |
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- January :27,j l331 2
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Mr.l James'G. Keppler
" Director,2 Regicn III;
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[0ffice of. Inspection and Enfercenent U. iS. Kuclear J.cgulatory Commission.
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Glen Ellyn,lIll'inois: 60137
- Re: ?crry ' Nuclear Powr Jiant
.:nteria Report:-CeLaval Staadby l
tiesel Concrator Mcdel DSRVli
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Dear Mr. Keppler:
Thistletter'aerves as;an'i.nterim repect as rec,uired by.'.CCFa50.35(c', on a i
.significa stl deficiency reporten by lIr'. Williau heer af TL Cleveianc. IRc -
.tric Illuminating Company (CTI)'on Decenber 30, ;980, in c telephene canvar.-
sation with Mr. Ross Landsman of the Eutlear Regulctory C:enission RegW n III,
- Office.of5 Inspection and Enforcement..The deficiency cenirnsi.ciit standby-die'sel gener' tors,.Model DSRV16 supplied.by Traasanericar LaLaval. lncorgratad.
a DeLaval notified the. :RC of this repcrtable deficiency und.c.r '.0CFR'Part 21 on December,16, 1980..'CEI was first notified-by CC.aval ef. the probier in a n
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- lettar dated December 22, 1980.
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Description -of the Deficiency CeLaval.is supplying fcur (4) diesal ger. erat r units (:.*ocal LSF.'!15) tor' tne ?erry Nuclear Pow.:r PlantL (P::P?) ': hat vill ba used um a acandby towe: source fer thi'PSPP.
'Se-t:rboca. g re.Jor tl.c pacre -
. tors were manutactured 1 y. the I'lliet Company of Jeanin te, P e nn 3 ylva..ia '.
.They. were ' installed cn the f engines by Transa:.:ericai OcLaval and lub ci-cated in 'accordance with Elliot Conpany reco:maancatim.
"*1c reported defeet exista in the. ?..bricating oil sya ter that aupplits bil to the L urbocharger bearings.
De design of the system parmics t
lubricating oil to llow to the hearings only uh.in taa engine is rr.naing and prevents oil flow to the bearings shca c':e en;ine la in tbc <tandby neda. The. ail sesi of' tna' turbocnarger ia a labyr Lich type and
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- onl~y effactive'when the turbocharghe-is running. 1eca se of.~cne possi-l bility ofi scal leakage when the turbocharpr is. not runr.ing (eng:na g-
' standby. odd,- the turbocharger, lubricatinc oil systi : is bypt.suad at
.this cine.
The. turbocharger thrust be ring; nay e.u.:t uu:e rapid waar
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'l ricating systen. mica aaf. ccsult. u. cag:.nc cen-ava -- -
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Mr. James G. Keppler J ar.t.ary 27, 1931 Currently, the diesel generators are set in plaec at PNPP.witi. pre-engine start testing tent.tively se'.ieduled for cetcber 1931.
Analysis of the Safety hplications Excessiva thrust bearin:; carr, due to it.ade.r:ata lubricatica, sculd a f f ec t engine av:.ilaaility and tan affect the cvailabilitaj of standby A.C. pcuar supply.
Design Criterion 17 of Appendix A to lGCFF50 and Sec tion 3. 3.1.1'.4 o f ' the PNPP P. S. A. R. req': ire cn available staalby A.C. power supply 'o provide for safe shut d?un af the reactor :nd to t
1 naintain the p. ant in a sat.e condition.
Corrective Action The tur'aocharger lube oil systen will 52 codirlea ;.c that the turbo-charger thrust bearings receive adequata all during pre-lubir..;.
This
- .: adit i cation wil,l aiso insure that t.ac turNda r<;c e. s not ovar16 eu,.
OcLaval is now invalved in tac design, testing and evaluation af a modification to the turboc':arger lube oil systet.
As soon as.:his pro-cess i.s complete:. by DeLaval and a r.:cdificz.tlan u ayprovad, DcLaval proposes to prcvide all the details concerning t. u nodification.
includin;; dra; ings, parts and parts lis ts, proceducu, and ccchnical s e rvic e.s. at the cime ct. this wr:. ting i: cauic nat se confirm a by DeLaval as to when this inforcation would 'aa =cae :vailabla. Upon recaipt :t. t n..is :.nformatio.. and ccmpletter,cc. an.as,>ectica ta de tercJ n2
- nc extent of turbochar;;er thrusc berrin.; uear, a f;ual report will h prepared and suamitted in accordance with requir ner.t; af 10CF350.55 N).
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The.inal report will be issued prior to pre-engine stuct testing, tentativ21y scheduled for October 19S1.
Vcry tru.y yat.ra,
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Sys te:a In:;.nac rin,, ond Can i;ruc tic.n CRD:baa ec: Mr. Jack Hu;hes, ::.10 R2s ident In 5 ;n.c t a r 2erry :.uclear Power ?lant Site Director of Inspection and Enforecnant U. S. '!uclear 2cgulator:. Cornission
' 'a s n in:: t o n, D.C.
20555 U. S. Nuclear Regulatary Commissica c/o Document }hnagerent Branch
'.la sh ingto., D.C.
20555
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