ML14177A166
| ML14177A166 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 06/25/2014 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| MDN-000-999-2008-0151, Rev. 001 | |
| Download: ML14177A166 (19) | |
Text
{{#Wiki_filter:Calculation No. M DN-000-999-2008-0 151 Rev: 001 Plant: WBN Unit 0 Page: 259
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7.2 Figures
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LLOCA LPts LPRI LPH 0ass Mne PDS Large LOCA hlthtor Accumulators RFIR Low Res sure 6H Leg hjection (3 of 3 cold legs) Low Ressure Gold Leg &cicuhtio n(3of3 cold legs) Low Pressure Fbt Leg &ckcuhtio n(2of3 hot !egs) hventory Control hventory @ntrol/ Fbat Removal hventory Oontrol/ Fbat Renpval hventory funtrol/ Fbat Renpval Success CD CD CD CD LLOCA-o01 LLOCA.OO2 LLOCA-003 LLOCA-004 LLOCA-00s itw ltw ht-w ht-w Figure 1 - LLOCA Event Tree Reference 34 - all level 1 event trees
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MLOCA cvcs sl HPR AFW AFWl LPI LPR Clas Nane PDS Medun LOCA lnitiabr High Pregure lniclion nah Chg Purnpe High Presure lnJeton rdthSl furpe Hlgh Presure Recirculalio n SHRvia A.uilaary Fedutabr (nooprabr aclion) SHR via eudfiary Feedrabr (oprato aclion-15 rTirutss) lowPrecaurg hjelion Cold Leg Recirculato n lntonbry Contol lnenbry Contol Invenbry Confo! / HeatRenpnl HeatRcrual HeatRsrual henbry Confol / HeatRsrual lntonbrY Confol/ HeatRerpd l HPRCH Succes Success CD CD CD Succes Succes CD CD CD Srcces CD CD CD CD MLOC&m1 MLOCAM2 MLOCAM3 MLOCAoo4 MLOC&(x)s MLOC&m6 MLOC&007 MLOC&008 MLOCA009 MLOCA-o10 MLOCA.o11 MLOG&012 MLOC&013 MLOCA014 MLOCAo15 NLW NLW NLD NLW NLW NLD NLW NLW NLW NLD Figure 2 - MLOCA Event Tree
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ALOCA RT c\\rc3 at ARV A,FAT2 BF HPFT AFv\\,3 PI PR THR irug_ Clc!! Na?lE PD SrrllLOCA lnllabr Ft..cbr Trlp c\\rcEcoE L.o hr.clbn llle h Faaaura hl.etbn wllr I PumFa StlR vb A.o(ll.ry F-dwrbr (nooparabr .o!on) StlR vh A,.r.lLry Faaclwaar (op.rabr acton h OO rrlnL-r) Bbod rnd Fsd Hlgh Praaaura Realoubb n EHRvh Ar(l[.ry F..dwa5r (op.r.br .c0on,r 30 rnlnuL.) Lil Praarur. lnlocbn Low Faaaura R.cleubtb Lo"ig-T.r'n H..t RaltEvrJ. R.llCSlT orkovlrc Abrnab grppV lJsa eonLlnrrnt tPray purYPs b r.ll Rl,ySTtl?om Con!lnmant slrnp Rc.ctvlY Contol Irtvanbry Conlol Irw.ilbry Contol HaatRalEvrl H.atR.mval H..tRa,rDv.l Irw.nbry Contol/ HaatRanEYal HaalR.EEV.l lrw.nbry Conlol lrwanbry Contol/ H.!tRarEvel HaatRartDval Iw.niDry Contol l L l 1 L l HPRCH BFSI a grcccfr CD gr.Ecaaa 3rccotr CD 95caaa CD &rGGaaa cC, CD &,loccaa co slrcocer Siucoara CD drucccaE CD CD Srrc c ega co CD {lucca!. St,ccaaa CD CD co co ATWS aLoc&ool 6tLOCA-O(r2 tlLOGA-O03 aLoc^.o(,.$ aLocA.oos gLOCA-OOA aLocA.ooT SLOCAFOOE !lt-ocA-o(,9 sLocA-o1(, sl-oc^.oll aLoclol2 ALOCA.O13 E3LOCA.O14 sLocA-o't5 st_oc&olB sLocA-o17 ALOCAFOlTA aLoc&ola gLocA.o19 SLOCATO20 aLocA.o21 aLocA.o22 gLocA-o23 aLoc&o24 8LOCA.O25 SLOCAFO2G aLocA.o27 NHD NHD NLW NHW NLD NHD
- NHE, NHD NLW NHl,v NHD NLD NHD NHD NLl,v NLW
- NHvt, NHD Figure 3 - SLOCA Event Tree
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sr-ocAV RT AFW LTHR CVCS sl BF HPR Clss Nane PDS Very Srall LOCA lnitabr Redor Trip StlR {a A.uiliry Fcdrmbr (m oprfir acton) Lorg Trm HeatRsmml High Prcsure lnlclion Yratt Ctrg Rrmpo High Prgsure lnl*tion Wth SI furps Bl6d Operdion High Prestre Rocirculato n Rercti$ty Confol HeatRsrpsl HeatRernal lnwntoy Contol lnwnbry Contol HeatRsruel lntonbrY Confol / HeatRsrpd i! BFCH L HPRCH l HPRSI t BFSI Succss Succes CD CD Succes CD CD CD Srccea CD CD &rccee CD CD CD ATWS sl-ocAv-ur1 st-ocAV-ur2 SLOCAV.OO3 sLocAV-004 sLocAv-005 SLOCAV-0(r sLocAV-007 SLOCAV.OOS sLocAV-009 sr-ocAv-010 sr-ocAv-ol1 sLocAv-o12 sl-oGAV-o13 st-ocAv-o14 sl-ocAv-o15 sr-ocAv-o18 NHW NHW NHW NHW NHD NHD NHD NHD NHD NHD Figure 4 - SLOCAV Event Tree
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agBt FTT cA,/c.a at A.F1A' lcD l-t PR THFT R! BF HP]I rcl..- l{-m-PE)lB S.oond-r), 3ld-Buk a hltbtor Fl.-ctor ProtGtlon e)rat-m HlCtr Pr..aur-I nl-otbn wath elErgbrg Pumpa HaCla Proauro a^lrctk! wttlr a l Pumpa g.oond-rla H-ra Ft-mry-l vh A.qahry F--dwd-(rc olrr-tff Gtbo) l-eht- ?rul-cl !t<l T-rmYr-t-at PO R\\/ Fl.Elo-o lnCFT-rm H(Et F!-mov-L ll-trll GgT ff P@lda) A,L-rnrt-Ft--lnlh {ta Blaaca OF-ntbn r{.-- - l Pr---ur-Fa-oarcua-tb n FL-ottvlty Gontrol I nv-nlory Control I ru.ntor!, Controa H-t R-@-l ry-attff!, Contrct lnv-ht6!t GorttEl lry-ntor!, eoni.oa l{..t Fbmov-l tw.6tery Control HGt lLmoY-a H--t F!-m@-! lryenlol!/ Cortt rol l
- '19a l
HPFTcrH BPCH 3uGila Suooe.a C,D CD OD Suoo-aa cE co gucc..a ect AlEqa 3@o..- CD eo tuoo..a co co ggBa-oo.r !oBt-(,o2 39Ea-O(r3 3!}!t<to.r a-Br-oo5 !t3 Bt -cxlB teBt-oo7 aSBt-ooa SAElt-OO9 3ABr-c,.rl, 33Br-O1.t agBt-o1a SABr-{r.lg sSBt-o14 ggBr-o15 tBBt-o16 aC,Bt-o17 aSBr-ola 33Ba-O19 33Br-O20 aaBa-o21 33Bt-(,2:2 33Br-O29 33 Br -C,ilrl aaBa-C,26 aaBt-o2G 33Bt-O27 ltaBt-o2a ttrtBt-o=e ttaBt-o30 !aEr-o3t caar-o32 aaBa-o!s 33Bt-O34 tBaBr-o35 aaE.-036 SgEt-cr37 33Bl-tsA aSBt-oSc ,{H C' N!{D ,{l-a E, NHEI NHE' ]\\tHo ]\\tFto ,{H ED ,\\lH ct '\\rHo t{Ho NHE> '\\.H D NI{D l\\Ho NI{E htHo NHB NHE' ,\\tHct NI{ E) NHC' NHE' !iueoe.a co eEr c.D EuccGa CD CD tluoecaa c,E Suoooa 3Gil. cE GE) CD co Buoo-aa eE CE' co ATVvB Figure 5 - SSBI Event Tree
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!aao FtT cvcS 3t AF\\ 30 LC' gs PFT f HF' Fra B HPF! el-- ,{-m PO8 gGen.i-ry tld-Bmk a ^lt btor Fl,Ector Prot-cllon sy-t-m Hlgtr Pr..aur-In-otbn witla Ctrg Pumt a Htgllr Pr..auao !nrctbn wtttt !l PumFa 3Gond-r!, Hrt Fa-mry-l vb ,\\ulh,ry F-6r!tT (@ otrr-tor !.oht-t-ut-d rBGt 6 aaoht- -I rch-f-slt-d BO-T-rm5a-t-Al POFTV FlGl{o LffiCFT*m H-t R-m*-4. Ft-tl! CrST or P@l(i-Aat-rn-t-SuEtrly Fio-l nl-t al El l--<a Op-ctbn t{!-.-----_l P?---u?- Fa-otEua-tao n Ft--ct tvat!, e6htrol Prtn-ry lru-ntery Prlrn -r!, ruontor!, H--t FLmry-a lru-ntefl, Ga6trel a n\\r-rrcer), eor*rel PrIn-"y nv-nto"y H..t Ft-mry-l N-ntor!, eontrcl H..t Ft-@-l He-t Fi-mry-l / a nv-ntery Contrct I HPFTCH HPRCH EIFCH r-L
- 5=1
!FCH ] F.FFrs, l BFSI l I
- -Rl?,
FIPR."tI TI HPF'3t l EtF 3I r L nPFiSr I BFAI t_ Elusc..a Succr-CED CED CE' Euoeoa !!3 ErO -<ro.l c3BOCrz !'t'BO-OO3 33BO-OO4 33BO-OCr5 a3BOOA aSEto-oo7 BABO-(}Oat slslBo409 33BO4r10 aaBo{r1 1 83BO1= 33BO.tS eeBoi4 aa Bo -o'ttt 33BO-Ol'a 83BO17 38E3041A 33BO<r1a 33BO<r20 aSBO21 83BO<l2ra atlBo23 tt!'Eo -.o24 SABO-O25 ttaBo<r2a ag Bo 427 39C10-O2A a!Bo-arzt ggBo<!3(, =3BO -<r3't SBBO-O32 3380433 33BO-<134 BBBO{36 88 BO sB S!}BO 437 ae Bo 34 SrBBO-osC AIHD NHO NHE) NHD hlHo NHO NHE) NHD Nl-aO h,HD AIHD AIHD NHD NHD NHD NHD hIHE' ]\\lr{t> hIHD NHD NHE '{HE I\\IH E eo ec, Suoooa CD Buoo-- auoo..- CD GCt Euce-aa ccr CD Succ..a ttuccxo GD O,D CD SuGG-a eo CE' Suee..- CD Succ-- ec) GE' luooo. CED eo Suoo-!! CE' ct) CE' ATt/vB Figure 6 - SSBO Event Tree
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GTRAN RT PR IEAI( AFW LTTR c1/Gi sl BF }?R Cbr IrtsrE PUS GlgC TlrtH lrlEa M tudEr Stn FORi/ o*gde Me psd r.os SFRYb Arey FdmF (mqerdc dir0 l-spTsm lH ftrnd Fqtt Pmsue lrfdtn Y*h Cfp Plrrf HilI Prcrro IrladEr nlhSl tuip BE OpratEr l,th REr Mttitb n Hlvfy &trd lrrrcilcy hd lnrtuy ffid ltrl Hmd lH turud Inuutcy Orid lnrtoy &trd FH Erud l,H turgd t-PFSt BFSI l Lo* 9lE.ra &rcs CD CD Stre ct) CD CD Srco* CD CD 9"m CD CD srocAv SIOCA i/roq silocA ATI'YS GTMN{IN GTMN{Iz GTMN{IB GTRAMD4 GTRANG GTMN{IE GTMN{IT' GTMN{IB GTRAIWB GTRAN{}10 GTRANO1l GTRAMI12 GTMN{N3 GTMI,r{}l4 GTRANO1S GTRAN{}16 GTRA}.IOI7 GTMI((NS GTMN{N9 GTRAN{EO t+tfl t+*v t*i,v t((v tff) ht{) t*o tfi) lrl{) IrlO Figure 7 - GTRAN Event Tree
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4tTR cvt!B r,, ,AN' C a Rvtrlt RHR R,EiR.C L'HR Ob. lr.f,E FD' -am o--.& lLlr. i,uFt..E !ia.b. RGbf Foaobn ?.r.n HEh Fluaura hFcbn h:rErarh-Foaqaa htsobn hadi.raa. E alv-ad Og.r.E E0rya Io-a iuptrrt , to ]ai.Yb Arltry Faa*-a (Fab. EiVlOr!., !.ad l;aa.a -p-V hFoGn llltr. tllv'r iHiahutsryn
- CclfrC, llngElL.m ta.-lbuhb l.eetsfarm tlrtR.rYal RGt IY CortlDl hvanb.y Corllol irvulEy C!ffi1 HxaRrevd lrvanbatT ConaDt HdiGvJ H..iRcv.l irvGtsr!,
Clffil hYaartsa!, CqtnDl HxtL.'Ev.l HxlRrev.l HrlR.tDvd l l l aFo. aFo-a Oc' lFo.a iEc.a Ct, aDoI. aFoea co !*il. aee-r CE' iECr Areca a,Ec.a CD a.Ec.a a.Eo.a co !L.-a lao-a CD rtTR-oo,t rtTi-oozt E]TR-(XXr
- rTR-OO.
!trlrR-0106 3TR-OOrt -]rR-oo, -,TR-(XE tIrTR-OOe -TFI-OlO rxtTra-oll tElrFa-{rl2 -lTR-{r13 -TR-O14 -?R-(,1g -TR-{ri6 3?R-(}t?
- rTR-(,tC
-TR-OIe sTR-OAO -TR-O:tl -rtF,-o,t2 -tTR-OiZ! IITR,-O'D' tlTR-o!ta -TR-Orla -Ttl-ozr7 -,TR-O:T rlTR-oze flTR-or'(, -rTi.-Gt,l -tTR-Oa -TR-Clt -TR-O(r GTT,-O(l.A EITR-Oa!5 IfTRTOaTGA sTR-Oar -lTta-67 AYY E-W E{W EIt'Y E{O E{O r-w Er^, Dtw
- tw DrD
}{o trw Dtw Etw DtYV E{YY Eto co aao-o co co lEs! AFCa CE, co CD OE) eo co A',ttvt Figure 8 - SGTR Event Tree
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AT\\^/S MFII A]VI AFlq) AF5() SR LTS LTH Ft Cl-e Nare PDS AT\\NS Marrral / lnltatng Arrtqnatie Ewsrt Flod AT\\N'S M ltlgatlon Systan AFM/ Syeten Prorddes 1OG:/o Flour AFW Slet*n Proridea 5Oo/o Florr Avd lablllty of Prirnry Preeure Lorg Tsrn Shudovwr Lorg -Terrn Heat Flertpval. Fteactlvltlr Confo! Heat Ft erpval Hcat Ftgrpra! ln\\ntory Control Heat rernorral Heat Fterpval l 1 Succeg Succ*g CD CD Succeg Succes CD CD CD ctrt Succ-s Strcces ctr) CD Succee Succes ct) CD ctrt CD AT\\NS-OO1 AT\\NS-OO2 AT\\n S-OO3 AT\\A/S-OO4 ATl^/S-OO5 .ATVVS-006 ATWS-OO7 AT\\n S-OOA AT\\ln/S.OO9 AT\\NS-O1O AT\\A/S-O11 AT\\^/S-O12 ATVVS-O13 ATWS-O14 ATWS-O15 ATWS-O16 AT\\NS-O17 ATWS-O18 AT\\,VS-O19 AT\\NS-02O NH\\N N HVV N HVV NH\\ru NHD NHD NHW NHW N H\\N NHW NHD NHD Figure I - ATWS Event Tree
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slJvt F(r clrcs] st STL AF'\\N' LTFT C]F PFI FRN'ST Cb. ,\\bfro PE inrcfrryLrgr Fr-rrtc lntcf*lrg hdEt Sb/ltcYr I-OCA Sy=terr Fth PrEau! lnl.ctEr \\ rilh Cttg Prrlp FtfI Prcara! lrl.otbn ! rlth 3l PurYrF. Flry Path l.flE! Sffit \\rb l-aEFT-tn AL.*y E FG^-- FtsrE
- d. eSlT (rp ertc FHI a
Ctsr) Prqn-GlL.d Oprlalrl Fryr Pr.Iat Fbo5o.rtsb t-t rfttstE Errrt F-tlirlty E*rd la'n -tqy Hrd lrh/do7)/ ArttTd !r-tv'-*ay G.ntrd F.5 Ftsrsrd },5 FErE r- }5 FEtord lmar*cy lnr-tcy Gr*7Ea / drd tr.Eac. Etr.Ec-a cc) CD Slr.cc-r CD CD Suss CD Sr.eea ttr--r co CED h-ea co ct> Eir.sr CD CD ATY\\,S tsiuvtqrl ISIJVt{rcEr IALA,t(rl ISLA/}.o4 lSilJ\\rlCXtS ISiIJVF(EEI lilJvl-Gr7 tslJ\\rrc lSL r}G) tgl-r\\^{r'to lsu\\.rlo.l't ISU\\rtO12 rsll-r-o13 ttlJ\\r-o14 l3u\\^{15 t8uwr16 raL AolT !sluvt-o.la l9L /!-ro19 lSil--hrrcO BL\\N' E}L\\N BLD ETLD
- Btl, BL\\,v EIL\\N' BLE' EtI-D EiI-D E]I-D l
FFGI l BFE l I FFIE}T E}FEiI I t Figure 10 - ISLOCA Event Tree
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- TASK 1 - TASK 2 - TASK 3 - TASK 4 IDENTIFY FLOOD AREAS AND SSCs IDENTIFY FLOOD SOURCES PERFORM PLANT WALKDOWN QUALITATIVE SCREENING EVALUATION - TASK 5 CHARACTERIZE FLOOD SCENARIOS - TASK 6 FLOOD INITIATING EVENTS ANALYSIS - TASK 7 FLOOD CONSEQUENCE ANALYSIS - TASK B FLOOD MITIGATION EVALUATION - TASK 9 PRA MODELING OF FLOOD SCENARIOS TASK 10 PRA QUANTIFICATION - TASK 11 IF-PRA DOCUMENTATION Figure 11 - Major Phases and Tasks of IF-PR/A Reference 39, Figure 3-1 QUANTITATIVE EVALUATION PHASE
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,/ rrnRoom / I :n""' ,ffilgratins Asratins /q
- 'ffi1' DoorAls I I
I wiremes^,/ /i,::;J.l I O Drain pipe D Floor penetration (stainruells) Possible propagation Path r-r Curb Wall penetration Grid ,H Figure 12 -- Sample Propagation Path Diagram Reference 39, Figure 4-9
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t %0FLRCW772A8 (2s.29%l r %oFLH PFPAB757 A24 (5.05%) r %0FLRCW757A9 (3.73%l t %0FLH PFPAB772A7 (L.gO%l %oFLDWSAB (3.L8%l Other (3.34%l Reference 39, Figure 5-12 I nitiator Distribution U1-CDF (Flood)= 5.08E-05 r %0FLRCW77 2A9 (25.29%l . %oFLTBSPRAYs (L2.49%l r %oFLH PFPABT 57 As (2.s6%l t %0FLH P FPAB77 ZALO ( 1.85%) i;':', o/oOFLE RCW2AES F RCF (O.LL%I Figure 13 -- Unit 1 Flooding CDF r %0FLH PFPAB757 A2 (6.7 6%l r %oFLRCW757 Ar7 (3.73%l ., yooFLH PFPABT 57 AzL ( 1.gg%) r %oFLTBMF (2.60%l %0FLRCW737A5F p.L3%l
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I nitiator Distribution UI-LERF (Flood)= 7.7 4E-07 l%0FLRCW772A8 B2.AL%l r %oFLH PFPABT 57 A24 (6.40%l a %aFLH PFPABT 57 As (3.2s%l . %0FLH PFPABTT ZALO (2.3s%l %oFLRCWABMF (0.01%) other (0.09%) Reference 39, Figure 5-13 r %0FLRCW77 2A9 (32.0L%l . %0FLRCW757 Ar7 (4.7 3%l r %oFLH PFPABT 57 A2L (2.s L%l r %oFLTBSPRAY5 (0.51%) t;tti yo0rrH P FPAB F (0.09%) Figure 14 -- Unit 1 Flooding LERF t %0FLH PFPABT 57 AZ (8. 55%) .%0FLRCW757A9 (4.73%l "' Y,OFLH PFPAB772A7 (2.4L%l r %oFLDWSAB (O.28%l %oFLTBMF p.O4%l
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U2 I nitiator Distribution -CDF (Flood)= 5.31E-05 a %0FLRCW772A8 (24.22%l . %0FLH PFPABT 57 A24 (4.84%l .%0FLRCW757A9 (3.58%) a %0FLH PFPABTT 2A7 (L.82%l %oFLTBMF (3.29%l Other (3.09%) Reference 39, Figure 5-14 a %0FLRCW77 2A9 (24.22%l r %oFLTBSPRAY5 (rL.97%l t %0FLH P FPAB757A5 (2.46%l t %AFLH P FPAB77 ZALO (L.7 8%l
- ,;',;,,, YoOFLE RCWA 867 6F -2A (O.47 %l Figure 15 -- Unat 2 Flooding CDF m %OFLH PFPABT 57 A2 (6.47%l a %0FLRCW757 AL7 (3. 58%)
%0FLH P F PABT 57 AzL ( 1.90%)
- %0FLDWSAB (4.70%l
%oFLRCWABMF (L.65%l
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lnitiator Distribution -LERF (Flood)= 7.77E-Ol U2 r %0FLRCW77 2A8 (3L.87%l . %0FLH P FPABT 57 A24 (6.37%l r %oFLH PFPAB757 A5 (3.23%l t %0FLH P F PAB77 aALO (2.34%l %oFLTBMF (0.L7%l Other (O.L4%l Reference 39, Figure 5-15 r %0FLRCW772A9 (3L.87%l . %0FLRCW757 AL7 (4.7 A%l t %0FLH PFPABT s7 AzL (2.50%l a%aFLTBSPRAYS (0.53%)
- ,,/QPIRCWABM F (0. 15%)
Figure 16 -- Unat 2 Flooding LERF r %OFLH PFPAB757 A2 (8.51%) r %0FLRCW757A9 (4.70%l i, figPrH PFPABTTlAI (2.40%l ]%0FLDWSAB (0.44%l %oFLHPFPABF (0.08%)
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Figure 17 -- Gontainment Event Tree PI-SGIR tuent Tree TI-SGTR Brrent Tree Reference 40, Appendices B, C
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7.00E-05 6.00E-05 5.00E-05 4.00E-05 3.008-05 2.00E-05 1.00E-05 0.00E+00 Figure 18 - Industry Comparison of CDF Reference 44, Ftgure 5.4-1 .o& "$*$$$d "-kw"$$'{$"*}}