05000219/LER-2012-004, Regarding MCR HVAC System Technical Specification Violation

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Regarding MCR HVAC System Technical Specification Violation
ML13025A083
Person / Time
Site: Oyster Creek
Issue date: 01/08/2013
From: Peak R
Exelon Generation Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
RA-13-005 LER 12-004-00
Download: ML13025A083 (4)
v • d • e


LER-2012-004, Regarding MCR HVAC System Technical Specification Violation
Event date:
Report date:
2192012004R00 - NRC Website
v • d • e

text

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On Octoer 29, 2012 Owe Meii Cco.*~ o m (4MC PXM VerWAOM a Air Condlfs*~g (IwAC4 syste (M) flw bganoec*Ig k~ordr tete l' *p~alone ~iMCRtsp ~p4Iwppo~e )*m(A) of WAR HVAC.

issue Duo n le hft review oftI, owe(

MCA IIVAC system mo declre I nopew~lby veShft wMangr (SM) ildpnel reviengI OWdse f

G Y~gd eoee t

Mv Ioprable AMO HYAC system Was November0, ORiSW O Ocilns requlresftr an 1 lopst ON R

A" AC systemnwr not bein

'IPeI P meI as requitd by requir plain #*Aw"pra system In fte p"fa reclcua*lon mode once ever 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Once fte Musu was W ~nife, "i opra" syste Was euceesuil pie in Partoa rec&OAs" mode.

Cofedlve actons kiokeA sl onformet of M ift

    • maw*c~On sftl alone Senio fleedor Opeator (SAos) andreinfot ent O1
  • Wprooeus quw m

Ofuwt of OPAA-IOS.t1, i OetsmilnebwsW a* # amw. The Shit Oertios Speintndet SOS eseoallOns wo to reVie to ensure dnecessaryý otion 4rv 08 are completeddla reuietet or oe ily are Ox~elred *xftn *a rio~w Incluf pee hc do*

umenfeongv.

Ts event is reportae under I00FR

.73(a).().l).(S), 'operiatn or onion whih as prohite by Technical SpecIfIlIIII NRC PRMIS1Q4U~t..P.',*.*

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NRC ~om NSA I

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Oyster Creek, Uim 1 1000019 "2

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. msimmmgimmmmmmhIm~um~um 2012

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Pkn CordlUme PdOe To EvMen EvMeOda:

October 20,2012 EventTIme:

21M0OEDT Unilt 1 Mode: Cold Shutdown Power Level:

0%

Deseulpilon of INat on 0Octbr 29.,Roifat qpowbttl 2100. Vie Mut Conto ARoo (UCA) obseved flow "CMying In VieUC ve"VIlaOn syste (MMRfrC wII (1S)

MOR 14YAC lo niloe. The MCA, Onti swape to Vfe (A) MCA IIVAC an obsrved ms te Sow ftm ft (A) MOCM A4C siV n. Woo fopoe (IM) 14831i9 was w, w The Shift MOWge (SM) om a ng the IR review beoame ffiewacisd an performe an Inadequaft review of Te l Sped.looton (TS) secion 3.7, 'CoAn Room e Vent

, an Air Co*Mtonn SenW The Mdeare

()~

wysm I nm e baw* onthe ob eve me Wd*drommn.

The SM n,

o minwe gs e MOo H y ie fotre wie In Noe Co4a 8on a*ndo; o*vwr, TS 8.17.A Mae ¶ie ooso rob m W*AC osystuli uhaifti of~f g~~

pfjf qwi~

me sm 04he docu ated, In e 4 T

S 1. tiat MCR OWACywni in mooeale wm r WNW rWrec stie Me MCM HVA was no MUM In on errt mode Of opoeraon COW o* Wofw). IN, b () MCA HV AC edom wa nro entered Into Vie TBtacig a r thef tefo Vi. TSn L n't be action mew noo e r

re"ie) TS S.173. t eos'Wm n any MOM 0AC ssTem l.

weared i te Tce nomi

'Iollo one roqtjo plecing #Wt

=l Widem in fte paMta umboulo mod. oce evey 24 ham.! Addk*ny, a pe The" of Vie op y detrmFnaton was ()(oteesed at perwormedT (On NovmerO,' 2012. Ii.fb It Now t$t4)Tea obimenod Woublshoolng(3 MMR HVAC "sysisin h an auMe" to detemine S cate f fSow eowllons. *AM~lson W

ft (13) MCA HYAC Wed to stAr Duw"n reviw od TS V.7 for MOR HVAC sMtm kws It ored by hftmapmnt OWs Vie shl rview of A 1433119 for opeability bnoorreo k

s fted e (B) MCA 04VAC Is Mo requied to beopral atfts time.- Oue lb 0*le Owe (B) MCR HYAC had not been trae is hiopmbl.

Vltfnaennte declwaed(S) MCR I4YAC reqire verifctiofn of WOWia reroulaftlwonode of cperaton on Vie (A) MO HAC system was not peefomWe from 0Octoer 29,2012 uriS November 9. 2012.

Troubloshocli was kwmudonhsv and fth flow oaclteton oul tot be rear"Wi.

Th. moat profbcab m

o

  1. s or Vie fbo~~eo asI*ocmno fhigh wkndw uing Hurriane and. Tht sotto cqfompd himbeshooln, fti (B) MOP HVAC syste an Novmnber 14,2012. The systm "m re~timd to service %Nlowing co-mption of dt opeonaft survellaoes and a towev how mainteanc run.

Anidlsle of Slwea Thie had no brpac of safety band on toIe fa W

thtI perfomed I*s desion funoon in mrecurmUn mode Ideatfie-rtacoly when It was WesV4 proidng reasonal ssrnv ce of operAblty "Vn Vie above noted tinierme ITtft event Is reportble under i0CFA 0.73(a).(2)(I.(S)t "operton or coc Wonewic was prohWWe by Techica NWC FORM 306A(10.u10

Nn P0oM se UCEKSEU EVENT REPORT (LER)

COMNNUATION MWEET Oyvtr Creek, Unit 1 0000219 3

OF 3

2012 004 00 II

- IJlIliII lI ll

,III

".I I1 CmlUe of 9Imnt The SM kc ec nepee TS & 1 i

d 11 7B aooTS NO tm sment not be peMil for Vie (B) MR HVAC eing intperbe. The SM d not prope evaluale each cononl -equiment of TS &.17 whih led to inorec aplouanTBreuiemnt.TS clWry tt.in 317A VialTh *ow romv HVAC ystsmn shA be opem durn ad moden s of pwt Woperalon.' The SM d not adhere to proceu" guklWne and lced attention to del when he did not r*

t, stao m r Ie requd T ction satement of &17.9. The

,ellowed It*nsl to be caught up in nwllltultg dung ie IR rviw procems. The SM did not oalin a pee dwc k for TS Ioperabiliy deleiwwmini f(U) MCR HVAC being operaobl.

OPX-OC-M.11-1002,SO E~qmectaton, stala.

OWt reqWiing an operablity dlumvlnet wi be peer c ed by anoler SRO. Had VelSMmmumnlcad aind obtained a proper peer check of the prabliy decision aid TS review, the proper TB scions wouId ha Mihly been Oder" Correcy actions inclu reinforcement of review expesoations h opealions Bs and reinfocmf ent of te procedua reqWmnt of OPAM.1OS-1 15, OpeablMy OsDtsen

Inale, with al rem. The 90S sxeotonk wil be revised to incld the fcl lmow The use of Ow hecklist In Atutchmet of OP-N O-IS, Opab*y DelermlnnemN to wne necessaty allons/reviews are cormpiethd ie we Vtche Widis In OP-AA-1S-1 15-Icoo, Suppiemenal Conslithoulon for Onftt fmwedIe Oper*aflt Dee Md Vie inclusion md eleconlc time stamp indica thn e MN perormoing Vie review, the peow 0he~er ine, OWi "i SM approv~n VeOPsrfty Detenninalon.

Them have been no similar Ucemn Event RFepoft* sse*olud wil this oofonent fure s*mlsd it OCNGS in fie lit ies wysr NW FORiM USA(WM%01

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