ML20214E580

Three Pump Emergency Feedwater Sys Reliability Analysis for Crystal River Nuclear Generating Station Unit 3

ML20214E580
Person / Time
Site:	Crystal River, 05000000
Issue date:	07/31/1981
From:	Enzinna R, Jeffery Lynch BABCOCK & WILCOX CO.
To:
Shared Package
ML20214E454	List: ML20214E450 ML20214E550 ML20214E580 ML20214E655 ML20214E723
References
32-1126985, 32-1126985-00, NUDOCS 8705220153
Download: ML20214E580 (73)

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E Three Pump T

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h Emergency Feedwater System

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Reliability Analysis i

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i Unit No. 3

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.-'2000C-~ 2i 1-1 0.3 DIS 7:0!* OF A.%..*.TSIS 2i:1 2.1 Taul: 7:aa Ar.alysis 2-1 2-2 0.2 2 -=- 241125111:f A 217 sis

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l l l 3.0 ESO!S 3* l l 3.1 ?;.asti:a:1ve Resui:s 2-1 3.2 *=portas: Cc=:ribu:crs es Sy:::en :navailabili:r 3-1 B a.0 CONC."SICNS A.J EN'DA 10NS a-1 "aferescas Appendix A - Tad: 7:e 4 A-1 appandix 3 - St.:=an 3allabiliry Ivan: :ees 3-; Appacidiz C - System Descripcion Overview C-1 I es[*! 66mJ.h.w@ CD kCD C C" C'

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• spor:2s: Con =ibu:::s :s C:4vailabili:7 of.he ys:a1 3-5

?.17s:-3 "hraa ?=p F-1 Desi. Op:1:ss t 1 a,. .. m... a- ..a Diasal Tirne la C-3 Diasal Tirre 1b C -i. Diesal F16 me la C-5 Cc:bine Firne a C-6 ! =bise Tirr e Ob 0-ic:bine Tigne h

-8 Turbine Firas Od C-9 I

3ase case Figura 3 C-10 1 I J 6 SUPERSEDED

32-1126985- 00 ~ B.2-1126985-.p

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Sis repor prese=:s a su=ary f.he a:alysis :4.h:ds a:d results of the proposed Crys:a1 River-3 I.=arge::7 yeedn=e: (74) Systes -hree pt.=p configuracie:. The objectives of.his study were to: 1. ?arfor= a de-='* ed a:alysis :o assess he rela ive re'.iab111:7 of each of the propcsed F4 desig: optic:s. 2. destify do-d-=-: co ::ibu:s:s _o systm =ava11abili:7 for each design op ica. 3. C = pare che rela:ive reliabill:1es of each :f :he p:: posed desig: op: ions so the reliab111:7 1: crease associa:ed vi.h ead desig =ay be used as input :o a cost benefit analysis. his repor: doc =e::s de analysis =adods used i==* u'd g assi.=p:1::s ada and a:alyti.a1 tools e=p* yed, n e resul:s are ;;esenced is be h quanti:a:ive and quali:a.1ve :a:=s. ~he :.=sa-ical results 1 clude probabili:7 of f ailure per de=asd and probabili:7 of failure per year of de FJ systa= to preperly i=1:ia:e. De qualita:ive res.21:s include ide::if1:a:1:n af =ador f allure :::::ibu:::s, discuss 1:n of dair si;; 1?icance vi.h respec: :s sys:e= reliabili:7. and cc clusiccs draws from the resul:s. he addition of a third EJ pu=p does so: i= pac: the u= availability of the Con::al, yeed 0:17 Good Genera:or, or Over^ ' ' 2 a:ac:1on systems. Tharefore, this a:alysis add:essas only the impac: the add

• tion of tha j

hird EJ pump has on the i=1:1a:1cu system.

A simplified systen description and pipi=g a:d "ss:r.:sen:a:1ca diagra= for the :vo pump sys:ss and for each of the hree pu=p svs:em op:1ons are included i: Appendix C. r 1-1 E a.x,s -aaL =., s

32-1126985- 00 / ?.ro :p:i :s vare avalua:ad f:: ha third ITa' pt::::p. a : :51:e driver and a :no::: driver vi:h dadica:ed diesel gasera:::. 1: addi:1... :.ro staz= supply =p:1: s f::.he :.:. bica drivers and thras ; =p sue:12: optiens were evalua:ed. ne dedi:ated diasal genera:or was censidered :s he sore favorable a power sour:a f:: ha ::o =: drive 7.::=s.han diesel ca:a:a::: 23. A greata: 1 ::aasa 1: re114h111:7 is expec:ed due :: da diversity in: oduced by he dedica:ad itasal ga era::: and.he av:11as:a f potential : c =oda failcre of diesals 1A a:d 33. Also, losa =f affsite and ons1:a pc. er figuras signif1:ss:17 in existi:3 pla= risa s:uitas. C:.his basis tha =p:1.~ of a =c::: drive: pt. p powered by diesel genera::: 33 was o: considered. I l 1 ' I i 1-2 1

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1 an u LL ...__e,,.....n.. ~~ -- e.._. __.3.2 Taul: :ee analys's was he 7 :ary sa:h:d sed :: evalu:e the 0:7s.21 I.17e: 3 IT4 sys:a= thras pu=p desig: :p_i::s. sad as a basis is: c:=parison..he es*iabili:7 sf :he :vo ::ti: sys:a= vas ab:t. iced fr:= _he :eport "Isargas:7 Tee:va:a 57sta= !; grade Ia112 hili:7 1:a17 sis for the Crystal liver ;uelaa: 04: era:1=g 5:4:1:

' : !;o. 2" (4).

C ce ne f aul: ::ees were :::s:: c:ad f:: aach ep:1::, imp:::as: -'-'-=1 f cuts sa:s were fou d usi 5 the Taul: :ee Analysis ?::g:s=, 7 A? (l'. Tailure data, obtal ad fr:= yubli:*.7 availab*.a seur:es, were das used to quas:ify.hese cu: se s. E - - er :: pr:babi*.1:ias used is de uzssifica:10: vere devel: ped using the aced =1:g7 described is S e C i:*. 1.1. '"he resui:s of this analysis i=cluda.he d '-= : :::: ibu: :s :s sys:s= failure and systa= unavsd.lah'11:ias. Successful syste= opera:1::, faul: ::ee a=aly[ris, h"-' reliability a:417 sis, and f ailure da.s are discussed is :he f:* *.:vis; secti::s. 1.1 Tault Tree Anal sis I Taul: 7:ee Analysis consis:es: vd_:h de a.hodele:7 dese 1 bed in the f Taul 7:ee Handbook ?.~rRIG-0492 (1) was used to evaluate the re11abili:7 of de ET43. D e co=ple:e faul: crees for.he ITJS are included in Appendiz A. he f aul: :rees were cons::ue:ed :o a level of deta11 suffician: to iden:ify all relevan: co=:en hardware in de systa=. "his level of analysis al. loved iden:ifica:1on of hardware which would, if failed, I I 2-1 SUPERSEDED 9

i 32-1126985- 00 reduca desi;=ed :adundase r or cause :he f ailure of :: hor hardware. l S ara was to at:a=p: :s ac::u== f:: c===:411:1es i=p: sed by ex:ar a*. l avests such as firas, f1:ods, or earthquakaa.

= adii:1: to mecha=1:a1 f ailure of hardware, f ailure causas due :o hu=as ac:1::s and :ss: or aas:a asca ac:1P.:ies were i=cluded.

l l l 3e cc=su er code T:AP (2) was used fs: qua=:af t:stie af the faul:

ass, ranking of basi even: i= porta:ce, and if a=:131:a:1cs of =ajo

ss::thu:::s :s systa= failure.

2. 2 3 r.as Reliabili-v Anaivsis n a Hu=an 14114b111:7 Asafysia (EZA) was parf::=ad :::sistas: vi.h the

=a:hodolo37 4aserthad is ' ??2:/77.-;279. Wa:f5eek :f Emas 'ta*.1abi11 r Muivsis vtth T.=shasis e: 'fu:las: 7ever plan: AmS*.1: :to s (3). Se basic hu=an arra ratas are found in Chaptar 20 of Reference 3. Nu=arous data bases for component (hardware) failure ratas are available hevever, f ew data bases exisc is; hu=an erro; ra:as. A :ach=1que developed at Sandia

• aboracaries (3) was used to q.t.antify hu=as er:::

probabili:1es. Probabili:7 ::ee diagrams for the hu=as tasks of interes: i were co:structed and are presented in Append 1= 3. 1

.3 rat:urs :a:a

. fro m 32 - 112 l.04 I -00 4 O/A*wA Y-h Ge:aric cozzponen: failure data were obtained from publicly available sources. These data vere updated or tsada plant specific, by using the component failure data obtal*.2nd from Crystal River-3 esperience. /h N losses /y. 64. lese) - 2. I/,. f,. ce.4 m P

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• 32-1126985- 00 GENERAL CALCULATIONS l

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GENERAL CALCULATIONS 32-1126985- 00 9 'b'* Ina depaie 5 +ea m fv i+;= tu % 6,a pumps cm m m a 42 9, (u, e g $.Iuespe, Rashn % e Read mi ' '.. <e e. ~ p,, a f* I"" Ic ' cae de k r s.. % (4< s) VA V6 ogr4hof3 2' b

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b k NfG" HMDS 1979 Nuest ca.it35 page. /34 /2 ... '. = - .6 tm,e .0 es o (c= e ....SU SERSEDED'" ~....

698 5- 00 m ss1 = s==:e.s :eet-2-1 = h ords-to evaha:e :he i=pa:: Of ::=peten: fad hras : systa=

s'.iabili:7 as azp*.ici: defi=iti = Of _issi:= sue:ess is required.

To: 1:1.ia-des, systa= =ava11abili:ias vers :sicula ad fs : ro casas; th e firs: casa represa=:s s: is:17 aute:E:10 i:1:12:10: of the systac:, a=d be sec:=d casa all:vs : para: ors to iscarva:a :o correc: sys:a= faihres vi:hi: 20 =isu:as. liiss1= success is defi=ed as a::ai:- I =es: of adequa:a fi:v f := a: leas: =e ;u=p := a: laas: :se staa= gerara:::. 2.5 Ass _m_ -i ns 3 evalua:iss the I2 t3 reliabi*.1:; the is11ovi g asst =:p:1: s vera =ade: 1. he varicus sys tas ::sfi;;;;a:icts a:d f hid sys:a= =c=penen: idas:1fiers are as described i: A;pasiix 0 a:d as depic:ad in Tiguras ; ch.ough 3. 2. he :vo pt.? base casa desi;; is as depic:ad and described in "I:s:stscy Feedva:e Systa= Upgrade la11abili:7 Asalysis for *.he Crystal " Liver Nuclear Geserating 5:stien hi: No. 3", 3 W Doce=en: No. 32.122431.-00, April 1931. 3. he code saf a:7 valve stuck open vas c:ssa:va:1ve17 c= sifered a failure of : bat seas = generat:: :s supply adequa:e s:as: :o detva a turbine driven pu=p. { 4. For a

• oss of Offsi:a Power (LOOP) =ansient or a non-LCOP transian:

it was assumed that all code safety valves on both steas generators vould opes. 5. Degraded failures were not considered, th.at is, components were

== assu=ed to operate properly or were treated as failed. Fo r=== 91a, the failure rate for code safety valve fails to resest does not distinguish between degraded failuras and catastrophic failures. This is a conservatism since experience has shown that is most instances where code safety valves do not resamt at the specified '3UPERSEDED

32-1126985- 0.0 se:pci :,. hey do resea: a: a s e-ta: 1 ver sa:p:i.: tha: ay s * se :::sidered a se.::ess, a:d ra aly do :he ::de sade:7 - a.ves fail :: resea: a.irely. 6. A' ". IT relays a:e solid s a:e. 7. 0:17 ::e IW pu=p is a*.1:ved is preve::ive ais:anasce a: a ti=e. 3. he =c:=r-drive: IW pu== a:d i:s dediza:ed diesel e era::: r gr, 3,k,=,u;,f ,,,,_7ge, g,; 7;,y,= gy,=,;=,=,=g, ,i,,cy,=,,ua;7, t 9. ~he third II'.' pu=p, whether sc::: :: :=bise drives, vill ha~e .I 1:s =a1= and al:e : ate sc :1 valves, ::.-3A a:d IT~-il, f 12:erlocked is.he sa=e va? as f : pu=ps II?-1 a:d II?-2. 13. S e.hird I W pu=p, vte:her =o::: :: :-rhi e drive =, will be actua:ed per I?!C cha==e1 A :: 3. !d :he :: 51:e drive: ;==p is chose: 1:s stes== ad=1ssies valve- (1 any of the pr: posed i ec figuratiens) vill also be actua:ed per c'-mn el A :: 3. t dk ',k U 3 c d 0 " f 6 'dE-d\\ uc.M - p o. d see . \\/ *6. w 6g. wi e-g, f 91 b45' b f t, 5 D.aM. yd T. 9'M 's At' 1 1 Mk %A -Y 0N.co \\ .f v. m t t2(, .cs, l pg =liSW W 29' g ba f 9M ,3 .~\\ chh p>+C #{u ~ t J

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3. 22s-s 32-1126985- 00 3.1 ?e_a=: ira:1ve 2esu*:s Sys:e= c=availab':1es were :sicula:ed f:: the _hree pu-p C desi = op:1ons described i Appes- C. lasults of ha :.ro pu=p sys:e= reliabili:7 a=alysis (3.ef erence.*.) are repeared here for es=- pariso: purposes. ::availabili:1es were ca.1:ula:ed f 9r :vo cases: -he firs: case represents s ric_17 au:::a-* d '-iatics, and _he second ' case allows operators to i=:errene to ::::ac: sys:e= failures vi hi: 20 _._' =u:es. ?c'i=: esti=a:es of sys:e= u= availabilities a=d f ailures per year are prese=:ed i: Table 3-1. A discussi = of the i=por a=: failure c::: ibu: ors for each desi.g= cp:1o= f=11 vs. i= porta =: failure co=-

ibu: ors are su==arized i= Table 3-2.

3.2 .=cor:an: Con:-ibutors to Svsta= trava11abili:v_ 3.2.1 ?.ro Pu== Svst em 3.2.1.1 II** Initiaties (fuliv automatie initia:1en) 1. Pu=p I??-1 u=availab111:7 is d =1=a:ed by loss of offsi:e power and subseque=t diesel genera:ce failure. 2. ?u=p I??-2 unavailaoili:7 is de=1=a:ed by =echa=ical failure of stea= sd=ission valve AS7-5 or pu=p =ar'-W e=1 failure. 3. A =ajor contribu:or to unavm412h111cy of either or both trai=s is inadvertenc failure to realigs pu=ps after pu=p =eis:enance. 3.2.1.2 m siciation (includes soerator cor ee:1ve action) 1 1. Tha =ajor concributoe to pu=p I??-1 unavailabili:7 is loss of t offsize power and subsequent diesel generator failure or pu=p /$' '$UPERSEDED

32-1126985- 00 =ae. al fat 1= e. 2. ?=p II?-2 =. availability is f '-=:ed by beis; ::: Of service f:: --d-:e=a=ce

pe=p _ac'-=

':21 fai1= e. 2.2.2 -" r e e 5 _.- Svs ta= vi _h . ::: Orive: 7:1 d h _: a-d Oedicated Oiesel Generate I Wi:h a== :: drive:.hird ;.==p povered by a dedica:ed diesel genera::: de u=availabili y of pu=p IF?-3 is d '-=:ed by f ail :e of de dedica:ed diesel gemera::: and 1:ss of offsi:e p=ver. ~:pc a=: fa'12:e contribu: ors for the o:her two pe=p ::ains are ce sa=a as for the :vo p=p systes (See:1s: 3.2.1). 2.2.3 T :ee ?r: Svste: 71:5 ! =bice 0-ive: Tsird S== !=bine drives m unava11ab111:7 is deci=ared by f allure of _he s:ca= ge: erat:: :cde saf e:7 valves :o resea:. Eevever, i: 1s i=por:a=:

o so:e assu=ptices 3,l, and 3 '.: Sec_10: 2.5 vi.h regards to :he code saie:7 valves.

0:ava11abill:7 of d e =o::: drives y=p, II?-1, is decina:ed by diasal ge= era:or 2A f ailure and loss. f offsite power. A= i=portan: = avail-ab111:7 cc=::ibu:o in :he au :=acic iniziatien cases (1.e, no f operator corrective ac:Los) is failure of de opera::: to realign pu=ps af ter saintenance. In de case of independent scea= supplies for each turbine driven pt.p (Option 2b), additional failure sce=arios beco=a i=portant. his is because e'd damti=s of the s:aa= supply cross connec rasui:s in fewer flow paths for pu=p staa= supplies. I: is =c:evor hy that having cross-connected stem = supplies presents so additional important g 2., SUPERSEDED

32-11269g5_99 failure c==: ibu:::s ever :he ' i=depende:: s:* " supplies. Sis is because; yirs:,.he :vo sa:s :f d: ble : heck valves i: :he s:ea= li=es separa.1=g he ge:arators 7::vida a==le separa.is: =f he :vo s:aa= genera ::s. A=d sec==dly, he pr:bab".11:7 =f ob:=' ' g ve s:ca= due :s s1=gle or dochle s:aa= generator ITJ =verfill is very s=all with :he 1:s-h :10: of the IEC (Isa ge=:7 yeedva:e 1:1:12:10 and 1:::::1) sys:e= (Raference i).

• 'hile i=:u.itinly, i: seens ha:

ss-c===ec:ed s:aa= supplies =ay provida =cre pc:e::ial for c::=c:

=ede f ailre has i=depende :.s:aa= supplies,.he resul:s sh=v :ha: I the i= dependent scez: supply c==figura_ics has a grea:e== availability beca:se each pu=o has fever staa= supply f1=v paths. 0:=m : ode failure tends :: effec: Sc:h stes= supply opti :s rela:17ely e ually because c s. ode failure is no: highly depende::== stea=. supply pipi=g cc:figura:ies. Izparie=ce sh:vs -la: de

• a=: ess::ibu: ors to co n

= ode fallure tend to be systa= i=cerf aces, external even s, and hu=an err::. I I \\ 3-3 s t s 17 m frfr.xD4~ w%e L weu, [; w4,J 4 i

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==.

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i i 1 ..'.t i ~. 5 I L .i f 3 1 i C ,t l'It 5g l ItE8t g E .,.TI.I E.s yI -I. g E 1 e a a: y I . l. I Lt3 i ,.s. 1.. = s a ,a W 1 .i I 65...-.E .. - I 3 I .. g _. y t t.. .T T. a g gs- .s = a.a g.- e-y 3 g. s.- -g .. w ase a ".,I.,.,.,,.3g. a , g .y. g I a-p.4 3 I. 3. .i ..'- I... .i

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• i-

- 3 2 .t : t t s .n. _. e.. 3. = .w- -= ~= .c 3. =^ . l. . I. n. ,.2 - s. .= . 5 AE I I 7 h 1i .L 43;

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T. 1. - m a* I. 1 k. ,= 1. 2..-.-.E:.. ..t g-.1 :.- ,l me .= = . s 3.s - e m a -a-I --t f ..E .L -== 3 2 1_? -I 1, r -- 2 3 .c ~. I s

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32-112698.5- 00 3 __.N.._.__._,...,__..____.m__,._ _. a _..u T:e =availabili:7 avalua:i:= i= dica:es :ia: a==::: d-ive: :iiri p=p -i_h dedica:ed diesel ga= era:::

• 4. _i=s la,1b,1:) results i=

bar:e sys:e= reliabi'i:7 --- a :=bi=e drive: - '-d p=p (Cp:1:=s 22,2b,2c,2d). reis _s due :: the diversi:7 i= ::duced by add 1=g .he =c:o drive =, diesel pove=ed p:=p. 1 y:: he :=bi=e d=ive= s:ez: supplies :he results i= dica:e tha: :he 4

ss-c:_=e::ed stes= supply (Opti= 2a) is==:e

-= ' ' = b *.e _ha: he i=depe=de=: s:ez= supply ::= fig =a:i:= (Op _i:= 2b) for he reaso=s disc =ssed i Secti= 3.3. hree differe=: p=3 sue:i:= :m= fig =a i=s were evalua:ed a=d de:e: ' ed ." 'fere=:es 1: re*iabi'.i:. he red =da=:

s represe=: c=17 sligh:

suc:1:= li=e ce=fipra:ie i= yipres ib a=d 2d is by a s all =argi: _he =os: :==nle because ': allows 7=p sue:ic= header =ai=:e=a=ce :o be perf :=ed sepa a:ely o= ea h of :he vo sec:ic=s =f _he header. T=e red - 's : sucti= valve :s=figra,.1:= i: yigures ". a=d 2: is :he =ar: =cs: reliable. Addi=g a valve i= parzilel :s C-133 reduces

he pr:babili:7 Of sue:io: li=e fi:= block. age; bu: '.cas cc: reduce the probabili:y of the sue:1o= li== bei=g i=adrer:en 17 lef: closed af:e:

=ai=:e=a=ce because both valves would be closed as a coupled action :s perdo= header =ai=:e=a=ce. he exis:i=g suc '.c= co=diprazion (yigures I la a=d 2a) is o=17 sligh-dy less eliable ha: -he ::her c== fig-a.1 =s.

• he A* 'fere=ce i= u=av=* ' =',111:7 betwee=.he three sue:1 = c:=diguratic=.s is so s=all ha: we co= sider i: to be i=s r*'ica==.

e I i "-1 Sh. e+ae.n m..,k w-n. t_. <dlM!*'$, -c,9 L.N~,& L}_l u% k0$ &

l l 32-1126985- 00 3e =agligi":le iiif ere=ca '- ~~~ ' =bCity Of the vari::s su::i:=

_figura:i =s is due largely to ' '

d :ati = :f the pr:babill:7 cf i=adver:e=: failure :: reope: valve C7-103 af e: header -*' ta=a=ce. Sis h.=.a= er o: pr:babili:7 is -' ' d ed by valve lineup checki=g pr:cedures before s:2 :up a=d =c=:Ely f1=v :es:s af:e s:ar:up. A ::s:/be=efi: evaluati:= ca= be perfs: sed by 71:-ida ?:ver Corpora _in to de:e: ' e whe:her a -d Iy7 pu=p shculd be i=stal'ed. Although addi:1= cf a :hird pu=p represe=_s a subs:a=:ial decrease i= u= avail-ab 7, 357 believes :ha: the :vo pu=p syste= pr:pesed i: Refere=ce 4 =av have a= adequa:ely sra.1;==availab:7 3e

v,~. p_-_p sys te= should be caref.:lly ::= side ed, especially i ligh: ef _he pr:pesed upgrades i=cludi=g _he Iy!C systa= a=d fluid sys:e= cha=ges, a=d reco==e=da-d==s

=ade 1: See:i== 1.0 =f Refere=ce 4 3e c=sa associa:ed vi_h i=stalla:1 = of a hird IT.; p.=:p (i=clud1=g pla=: d =) ca= be weighed agai=s: expected be:afi:s. Risk reduc _ie: be=efi:s, easured i: :er=s of pla=: release pr: bah Ci_ies, ca= be qua=_if:.ed us:=g exis:1=g pla== risk s:udies as a basis. Cos:/be=eii: - goals for risk redue:i== have bee: suggested ra=ging f::= 5100 :o 31000 per =a=-re= averted. I= dddition :o risk reducric=, the ^4-d pu=p =ay provide o:her be=efits such as i= creased pla== av=d 7 =%d:7 due :o redue:ic= cf forced ou: ages caused by tech =1 cal specifica:ic= 14--4_s, and reduc is= of regulatory pressure. I \\ 4-2 SUPERSEDED 2r

32-112698,%. 2__- -__e_ m 1.

5. E. Roberts, a=d O. 7. Eaa.s!, Ta'd: Tree Ea=d'cek, 1 3 3-G-92, S.CV d er,:r.gs.

2. r_A? O, Cc eurer - Aided Fa-d: Tree A alvsis. 3ah::ck and ~4il:cz 3ce==a=: Nu=ber 5?GL-3 536, Jahrc.arv 5, 1983. 3. A. 3. Swai=, E. E. Gu -= , Ea=dbook of E"-" ?a a' ilir A=alvsis .ri:h T_=chasis e. Nuclear ?:.rer ?lar: AOlications, 5:37.G,C1-1273, I 0 ::bar 1960. 1 I=er e::v Feed. rarer Ses:e= Ter ade ?.e'iabili v A=al-sis f er the C-sta; 31:e-Nue'.ea Geners:12: 3:a:1e

i: No. 3, 3a': sci and k~il::x Coc=e

Nu=ber 32-112343a-00, April 1973. 1 1 I m (j DEDCh e o[,i Lae,_h ~ i

l 32-1126985- 00' I JJ?CO*I A FA ~._- ' " : I t 1 l g 3 [. ii.) ).(R'.:e*/ g 3.,,% %d '--- Q mm. m,.., 3 e et L.. <:!:.% y 5

32-1126985- 00 ..,.a .g-ps;hE* 23

• r

-zz=- .-av- = =2-t '""iE* 5 j g, e = ; g- /'~-~' = ; _F I g: y 5-y 5 ' ( 4 a ".14 .__ E - l z :% .4

g~

I .s. r -- I. k l i:

• l 2

t if I r 1 -3m;3 l _=== t is :- t 1.. '.~ 8 .. 3. ;. w' = i 2~ = 1 2z. ~ l 8 5,k .t... ig-i a I E' t i H i 5,k i~ 5 i I i - 33;: - I=aE e tra .sps I.= + gg= (

• gI3g

.m S.- 1 - ' s

1. 5 o. = 1, $[_

.i 3 [_' e;. s=,_ lm ( !m '. '. E l,E=.. 3 ---I e I ,-(: Wa 3 g l 12 -) g 'w 2. ; -it 5.. 1. 1 t-t I -- I [ &= -= 3

== . z... . r l

i t

i i

c ~ I L!i d' t. 1=- _.1. .l z Eg -=- = **3=S2 .~ '8: A-1 SUPERSEDED 2

'II2698 ~ 5 99 A l PUNP EFP-3 i FAILS A7 r% EL EFP-3 gpp 7 QNLY OPTION ONI,Y \\/ \\/ TURSINE PUNP DIESEL PUNP EFP-3 FAILS EIP -3 FAILS A Ae\\ 2-z g l 1 ~ SUPERSEDED 2s

I Ilsuul $Nelu are m w g nissit ruw lir 3 1 All5 At Pet (R IAltuti 10f N0 FWer ruw ([r.3 l RAIN C ACIUAl DM gg g g ~ g.,g3E'y A r> A ,, W A A ter frJAllll g, p),,,, ~~ BlCl6ANICAl iHal ACi$1 m ris ac a et C. -.. 9# ,W!!!!!L sames; ac:: gIl ACI ION y tmq lasts q Mllellit teorilli fg#ff D I AlIlafor O) [ Ofi) L T} Ot I I 11'! 'I O O 10 w

B WIub reue Ist SIW Edud Of8 d'I IURBlHI l'UgP EIP-3 FAILS All 1 I I IUR81HE P05F TURBlNE STEAN PygP ((P.) IRAIN C Eff-3 NECHANICAL ADulSSION VALVE ASV 5A lAILS TO SUCll0N FAILURE OPEN FAILURE (ACTUAll0N I CIRCull) ig\\ r W co Al? "U m.3 ~ ,w to m CHANNEL CllANNEL O A B FAILURES FAILURES O 4 A A 8

~ l eus taen IeMS Shus use 80 4 A IURBINl PUNP [fr-3 NICllANICAL fAllDRE Al3 rh I N0 31 EAR 10 DRIVE TURllNE CHECK VALV IP 34 fl05 IAllDRt Of PUNP Efr 3 BLOCKAGE III'3 Co b M c O ,1, y} IP3Allit W? [, M ID O O*3 m LCHANICAL (CNANICAL FAllDRE Of FAILURE DI ItP-3 10 [fr 3 10 STARI co RUN LIP 3?llS IIP 3fllR

32-1126985- 00 38 - 1.t 2 69 d 5 - 00 -,n. ~

35 5

23 f- / fI i l i a l \\ 553 l = .j ? ! r!'t ~ \\ / l I I I EE le f. I 1 l f2 lh-). / \\ I y / = ,b. t -2 i f\\!!5 i " E i!! l! /* ~ !! G %g Q-i;n = - I C, s = s 3 =

N 2.s u r L

,i 1. 1 ise r s - e [ l3 _ I j \\ < !E _5 - a e I ._ =. e. i ,I I i / I* E 3 s u is = i g _= ~ E 5 r e 45 li:,g ,_-o 53 J~wJc $'"ft M O T LM h 7'I

'~~ l Muse W tre enw o.o tM PUNP [rP-3 IN P.M. A19 PUNP INADV[Rl[NILI lip-3 lifi 150lAllD AfilX P.M. DIESEL) I g A iN r.s. ((P3AlPE CO m M N m [ OP!RAIOR IC IAILS 10 CD N HE ALIGN VALVE i C10$lB C/t i H E e, in3ttHE trV)Arte O O

i j

• tane 4 5;,CTISn 74114W 431 422 123 I

I

=

SisCTim past,aEI 42 4 Q A21 r%, [taLit : fP44ALL1Li d "ri j t im l g?-1A Y Er l { taag l = =;- -, a F48Lu813 c3T grygg 3IIM EFT 43 cBT1Cae tfyM23C sait:iets 1 I

ytnAft, satyt NLM

~ EELAfts . M -iEs fattuut3 FallsAE2 { Ft88 l stacEAet 13e A38 .s. { ctases "8 ' comucrin trans ( m is: .( ce,.ina acTim m.in l l rus i i rtse l i =mo,. zuit3re n tssaae w g;;= cavis.wo mi aina

t

D e e e m,

• w n

9

r r r2 it 5 r. ( *n .1 TI APERTURE (;;. I CARD =ni. ig CWWEESEB =4*W('L ems Alm AvaMahle On p. 4 Aperture Card j' W

• t A

.1 SsCTlas Llut1 g3 Y g BCTlas 3 LIE 7* 741 Leet! L E /S-s. i l ?- murm TEM (, murm gggggggg Ev-sev WTW 1 l me issu i pastats I EM 153 Ft35 mamast 7 a a.: '*e us A4I Wfl0 eFS tilS~.aF5 ,a he 5918W5 l l 1 ( t.Tse GPtterm

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-;Z'&l: lli y ~ 00 9 J o 0 )--! ! *i '" _ M e p -Qi!! e co s: u g N '-!.3A:!r / I N \\~!Ilii/I ! h ? E ,i s ; i 4*t ~ 1E5 -li1 ' m g ;i... t x sus .M ' fi !- y -- r 'v t I ' *= = -g

f m

O 8' -II!!l.l.l <<4 .ss v. -1i ' E n .a,I'... I"8I" E I' v!'I 9 a i iI g V, 1 s I v ',IJ"-5:i.iii

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d.;j! it!. ~,

'v

,m i,,;- 1 l ' h,jjj I!! ,m-a -,j i l 7/ SUPERSEDgo i

I Ii !) K H / I At Ii H i N 1 i l t l MI l ,l W Nil l u A i C i ( 1 IN u N gH 1 I t st R, H uII A NHl V N lii I, l i H, u CM i : = @ g 0 M I O MS I t Y yi V t O 0 H ] y 8 A NN 8 V V I M 0 4 ~ 1 l Y 111 l P,, l' N I 0, u l 1 i 00 M ' A i S I A 5 l 0l 1 ,l l C Ct I I l l' 3 i H gu C i l l l t I S 3 W,S t I l P 3 i S 3 5 t I B 9 D 4 4 S S A A A 1 L 1 0 I 1 A l l l l I E N S t 0 N l l I l t E i II C N I G G 8v l U O al V 3 W A f S C l l O K i A V L C G c U 3 3 V I I L L V y - H l I AA asse s a / S P l N l l V A E 00o l l l V f I P I 0 I D f l l I I . A 2 lA W l O 2il 2 l s I VVy y I f l f [ [ E E L l L V E L G Bu8 [ A l W A f i l V O E llf V L C l ll K C I O lll C L iii E B VVV ll CCC )IjW w g l Y. l 4

32-1126985-00 } 4 - ~

==

• --==

t, c = cw_= i = -u j.

== i _== _= _ _- =, - = _ = ~ 6 W

E = _t CC

= =," 5 / s' ._=.: _ e,

== L .ma t%e en

e

c - =: =-- ,= , __ __= _a: _2 Cq w ~_ U 3C 5 Et g 44- .8: y .~ t _ =_a a_uC = 1 - m w EM a OQ A.}Q _Z _===4 -= En ~~ ..= - f"% C a f"1 T ham. G-("I - Q eC t'".9 _w n i e env 33 avPERSEngo g'oo

• ** e, 3 9,

32-1 2698 0 u 32-11 2698 5.' og F-N =s -==

• :-
• O tC

~ E \\ E W. E

== aun ", I, s w= 1 E2 o= >NhN Z* =z m-,

==

1. ~

GE=G' q - -

== g _< 5 zz = _.,M*w = ~ -I 2 < - g-G an; 1 _ 3- \\ M s = < j w== L

p= -

3= a w N N lm.=== = a"C gag W 3M .U aC % llmm :D G = C =" w W 2 .a.n e h> ~ Cx s a \\ s G

==e M 2 'ye z e-m C C_ E - n 1,, ul: aN< C ~m 3 =~ gq G/

Dn :n.

8 / $O w * :* 'Q" / I M y/ SUPERSEDHD

i ) l l 32-1126985- 00 82~13 2698Ea fg TUR5: NE PUNP EF?-2 Fait.5 1 I ,i2 7% l l I I TUR3 t NE PUNP TURBlNE STEAM PUMP EF8-2 TRAIN 3 EF?. 2 VALVES Fall SUCil0N gg p,y l Al'.URE

ACTUAT ON C RCUlt

/3 i f2 n N13 CHANNEL PERATOR AFW FAILURES ACTUATION I FAILS A-12 AFITRPOP i SUPERSEDED ~ l

C-32 31 - ti:n i w= 26985 ~ 0p. t 4 uti;He .i.=, I i i A i IEEI'*5 f'$2C =a s-E r3 : s .x ne

• =- i i>

1 ._. g s : i_t i g !: 2 ! a:l I,I i o= w! p 1 i n i I =- ..e= V =,Ig3e 6 a-zi

\\

II I l 4-9.s;=il3 ,'. ; ) : O ! !",,i! 1,_ .i ,8y p 1 g =\\ / i !!!q i 5i . o., I N). n Is ; = 1 t. i n IIEl i \\__/ 8 1 i =,, g, i I n / .= 1 it N,l', = \\_._/ 5 t E. se A-13 ft ; c f*e j u SUPERSEDED'

l same seas ame m CD tQ NO S!! AN IHUN CONuGN SG SIEAN PAlH CD O Nis s O l. o L l OPERA 10R VAlVL ASV-5 l 10 CAL COMICilVE IAlis 10 GPIN l ACIl0N 'O l TAllS N l f "'I (,,q ASV5210P r j* .O e w 2 r-g Tn DC PD9[R ASV-5

• rr lyD ID VAlVI IAlls NICNANICAtti 8

.jg IAILS 10 0 L _. ). O Y e A ASV5ll10 /,

d. - 1123ss5 - 00 32-1126985- 00 y

,k 112 698 5_ _90, 1 3 1

==s

==

=_ =_ = \\ d,5 5. .3 # E.E. O 5C

== ( 56m a " au _u=== == EE gwh=S ss = 89ES

==-- =. =. i = ~. =

s = = =k. s

g

e=

_E_EEE A-15 E $h w I SUPERSEDED n

l oQ, %MDo0" C t Cc0'8 $ A N I \\~ 0 N w/~ N U i l 7 l l l A A l H U A l 1

0) g L

C dll A 1 1 I I NRN l y ', PA WU _l g I Hl H p piCl g I l NT s I A i i iCt n i I gA rurNt i i P uiAli s l Pt l CA o g I l i N i p N 7 t P 7N e N s I P u N f U 1 5 P l P l H l A 0 E I N 1 r 0 0 l l 8 l u l 1 P A i U N O I N C A l f C K i C S S S L g 0E l 0S l V H 1 0 C V 1 O i l f NL V l g P E UC T n 0 P L o s 1 S S e 8 e r V E 8 KI G i CI WA l E DK l HE I C u su CVI 0 V e L 4 I s A B L V I l R E E R P 9 U I 0 L E P l A 0 I l' 5 f 1 s% y i(" r3ng irPLpDmb l 1 i1l i ll

32-1126985 oo i u 1 lI POWER 2# FAILURE TO 1 EE?*) N23 I l 1 . [ DIESEL 1 g ( GENERATOR LOOP OG3A FAILS T i g TO START OR IN P. M. i I l LOOPZZZZ A~I7 DG3AZZFS I M i i p(n ' '; g c~., m a 9{.:".f.F!*...g;h(($[d','$f8_ b ! EmLpf.v.y a v _,Qi

w i I e l 9 l NO PUllP l N74 ACTUAll0N (PER CllANNEL A) i 4 .i N24 Y C C0 EC CilANNEL A 8 l g ""^lo8 [ C nitunn "U AciUAn0N MQ d 1 iAns m m M AfWIRPOP g O o m o Q 5

E~1126985.oo 4.3 Q =E_S cc ER=E I OO 00 I ?. - c Io

== == =. r .=.. -==_=. ( l 'EE=2 I 585m EY 00 2=== l i 520: 20 - ~ EE =--

== m -e. m .b =E I = L IE 1 s 3 %%b = =..=.<

.

m

== i SUPERSEDED n i 1 ~

l sdebil DM lel>4 W E#e M A I CHAmil A lAllDR[$ NM r 1 Att Ai l CMIRuttlR A IRI, CAgthil AI,Uu, lAligRt3 A JAllgRt1 (All5 10 Cl951 R,ll,IIC tiilllR CMitMitt p Att AC CABINII RtiA, B955 i All 5 ,y '3 (Alis le Cl05t en C4 Nat "3' +.- ~ -?5 ~ S , p, H g EU .. A, l .,A,, A., =

>=

<.l l.., 2

t q-a.

i c..i icant Mi.ii. A , A,,5 e 1 Assi I ctel I I l i 1 P IAlt5 le lAll5 le II'III 00 f[] l All 3 D c cie5: 1 All5 KIN y .,,A,,. ,,,, A,1. ...A,,A. ..< A,,1. c ) O O 7\\N

~~" ) V* some m c.,3 g 1 RIP CADINLI / IAlluRis N30 r I I 120V AC 801ll CABINET BUSS FAILS R[tAVS lAll 10 Cl0SE CO M N40 r m J C 2 o w 2 rri DC POWlH Of CABINET A INVLHitR IAlts I Bill AKER Fall 5' I Alt s, I O g OPEN 120V AC i 120V AC CABINil A ,m A...,o I i y.

'I M M M M M M CilANNil I I Alluul! N48 rw I Rit At ! CONipotlig g IRif CAllNil Al rear IAllugt3 g lAllutil (Alts le Billr2lC N42 r% 1 IllNIR CONiRettli 40V AC N j' CAllNil Bil Al (ab y I AIL 518 Clost 8 C s i O /h /> ~ N' {Q N43 N44 Y r - m w Ffil en RitAt I (I AT 2 40V AC CONikeillR tw I I A115 CONIR01LIR I I BAlAELR ICMANNil C68) v g 0 D Y?"' h S IllCIrlC R12CBFIC INCurlAN' BNC l10

l won ,w gyg gem p3 aug r IRIP CAulNll 8 IAltuitES N45 7% I AC BOTH CABINET BUSS FAILS I 10 CLOSE CO 73 3 j-e s NAS 3 ,,.m H 'Y 9 rri e N

TG e

e e. 6 [h, CA81NE1

n INVER1ER s

[g B BREAEER OC POWER D n gggtg 8 g FAILS OPEN IAILS 120V AC C4 120V AC iT] CABINET B a O R Q it ..,0 it.iNu.

l amet M see Weel Cmq Wif 4 ,_4 8 80I11 CADINil RilAls IAIL 10 Clust N41 N40 l l liftAf A Hit AT 0 Falls 10 CLOSE IAlis 10 010SE CO N49 H$1 N$g Nb2 7 r m ID C ae i o ResisiOR .0 m R n A, 0R AlsisiOR .iin,R m s.,0Ris .,Alis

s. lice s,.., s

., A,, s s.,,CD I I (RtlAt A) Ol'IN (RllAT D) Ol'I N lAlls (RELAY A) ( ll A A) (Illl AT 8) RfARIAsH BAARIAfD RfARTAIC RIART9sH BAARTOIO RfARYBIC RERRTASH BABRfAIO RTURTAIC RIBRYBsH BABRTBIO RYBRTBic 0s N

32-1126985-00 %c f5 l DC ?OWER Fill 5 I A H53 h54 i 3ATTERY DIESEL GENERATOR 3A'33 00 LOOP i. falls k i \\ i 3A3AZIAM LOOPIIII A-23 UE3AE E3 BA3BIIAN LOOPIIll DE3BIIFS 1 I l vs SUPERSEDED

32-1126985-00 i O d -...u. e-... _.. -... - - - W .B B 1 ..,..an %g 'g q s'g 'q a: ;. r ..> pgQ,., s;.. p' r. f

~.

r.,: p

y = ;a v,.u p-

u. J

( ;..;.

3 2-n,,,,, O O ~ e.:=== e ac., o -- - 7...... m ;m _.,,,,_,_ E'1126985 00 d I A e C b 3 l C b 3 s c \\ \\ f 3' t b .h-c c SUPERSEDED

i AT;"'?C? (ce::'d) E.O 89Oy, A = opera::: fa1*.s to recog=.1== the need f : IT4, i=w 1G

• p_.; head a's-l A = operats: :sads massage i=cerrectly 3 = opera:s fai's to recog=1:e he need for IT low Staa= Genera o au=

1 3 = opera:or reads massage dsecr ectly C = operator fails to initiate asir. of -=~=y act:a:i=g IrJ. osca the . d.s o n.d Or as I 5-aES~1126985 ~* - ov 32-1126985- 00 t. s b

1 t

t ~ SUPERSEDET -z

,4 -a _s 9 Jl...a 4 a ,e,,4 a.-a w:s =n

e

a

:: #aC.s :: -. us C opa: s t aa=. = ' 's s i:: Ca 1

I .i 32-1126985- 00, a i i.9s O 1 1 1 1 a i s 1 C b 4 N, i d 3 3-e C i ,3 C \\ i. 7 d n o i 4 A e i 2. P " pp, p,1y,..n.d. s p t = s m.q,.u%..,A...Lhi4p " em 3-3 N 8 e..r. 9s h I ..,,-,..n.,-

i t --. ---.. r ....a 1 n-- 26985- 00 ~ A = :pera::: fails : re==gize.he=eed

:pe: valve, :: f;:.-

1:11:ati = f::= y=p A = reads lov f* :v ala = =essage 1::: e::1-r l 3 = cpera::: fails to recog=1:a he need :: :pe: valve, icv p.:=p i? ala== 3b reads lov p=p 22 ala:= l massage incorree:17 C = a + *iary'eparatur fails : i=1:iate.ask of Opening valve once given the isst:22:ic by the ::::roi :se Opera::: f 1 - a -rd ary =perator =asipula:es t.. g valve + J h F B 1 0 M 3 i i I + t 73 B. - _ - _ _. = _ -.

3 2 11 g g 9 g 5_ 99 ...=..:. _._. :.....:.

era::: inadre::e.:1r leries :5 racre ::: sed af:er su::::: heade:._ain:ezan z e.

7 D' . A A . c2 *t s;..si - H.5:16s.:

-,S3 HRD g

6/ V-3M i oi p- ,- 7/C 't.c. k-) ^ . t 'l a \\ 'j M Ti.: * (C E y % ( ler,$ j

.l h

JurlvrS

• J.> p4 33

,~.* a ls. s.e,x-<. it.

• 03 ) ~

/ / / 4 -.I e /#7\\. N ,G : 4 6 Q G f a :-(.94h{.M k

• 2
• U No% ~

a.1; ~ ACDEC4'(oI)(OG0(.O k'h>=*h M IQ.orgs 1 = !97andia :3.17aa-Y.c.2gjoS5c) = t.Itxte-t ~ "A" = =a.i=-=' er fails :: use pr=cedure g h "3" = ad-:ainer.. its s:ep usis; precedure (< 13 1:e=s), :: checkoff "1" = =ai=:aiser e.1:s stup :o: usis; pr:cedure (3 1:e=s) "3" = f*rs: checker fails :o fe:ect er :: of c=1ss1:= ( = a *.is: of valves) "I" = second checker f ails := de:ee: er or of==iss1== (o a lis: ef valves) = frequency of header main:erance per shu:dev: "2" " " = probabili: of IT. fe=a:d bef::e firs: ::.h17 pt.p f1:> :es: (.lf m. bet m SLJtiws) t ry B-s. SUPERSEDED

l 3 2-112 6g8o- 00 r: = - : z : - - -...,... .,- - -- s s i si s - - n.:s,.g

c : s r - 1..

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32 I'14.698

1. g d.*...g 3

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32-1126985- 00

y. ? ~ ?.2. u *. --- - = r:==

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pera

:r fails :: *pe: valra Irl-2 ITI - ITl-2A, "1:.- had ':ee: *af

1: sed af:a:

.

== ;rava: i e _at :anan:e.

I* \\x a i \\kl A \\ ,.,/ s',' 3 bl / / \\C /

s'

/ 1 o i ,/ 3 / / I A = operator ignores alarm, low pu=p i? mim m A*= operator fails to read alarm nessage correctly 3 = operator selects vraag s1.-1::h :s : rip off p,==p C = opera:c; is 1+ ? dary 3u11dd:s f alls to ini: Lace task of cpe:1=g valve cpen receiving instrue:1os :o do so 3 = operator is *~d ' *ary 3u11d1=s f ails :o locata prepar valve SUPERSEDED 37 L -

32-1126985- 00 r.:r:C!? psra::: fails :: ;r:;arly s ".::t sa::i: frc: :::da:sa:a 5::: age ad

alta.~s:e AT* Sue:i 1

\\ '/ \\A l d/ 3 g i / \\ 1 /\\ ej \\' i / '\\ / b / g '\\ ,/ \\ 3 \\ e 8 e e E e 1 A = fails to notics low CC meta: read 1=g g O 3 = ignores 1F pu=p suction alarm C = fails to read message indicating so pu=p 17 3 = fails to carry out plant procedure to switch suction when CC level is low Z = does not switch suc=1on valves in correct order, fails to follow a logical procedure G = selects wrong.TV switches e b 0 out LKxDEDu h

32-1126985- 00 a... I. I I ) ?.,h $ ? ' ? % Qv \\~~'.' ' U .'...g,y.. 5.*:: n'":.o., e#* l9 bt h))fwi;3:e L;%s, ?e Q -t. m. y: y

v

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.:..c._.. =.t..L 4 (JU A des:-1;:i : :1 :.a :v: ;=; ITii ::sfiizrati:

-3.i:: :he resui:s

f this s:udy ara :: -:e := pared :a= be f:::d i: :he "I=.a:3a::7 Taedva:e: Sys:a= !;grada ?.a'iabili:7 A alysis f:: the !.-

s:a; ?3 tar-3 W :'ea: 04: era:1:; 5:a:1 = 2:1: 30. 3, (?.afara::a 1,. A st=plifiad scha=ati: ef the :v: pu=p fluid systa: :: di;; a:1 : is shown i: Ti;;= a I 3 :f :'..is ra;c.. I As with the :v: ;=; sy s t a=,

he :hree pu== systa: is :apable :f sup;;71 g IT' :: ei:har or 5::h s:aa= ge: ara:::s (50s) fr:: aither :f :vo va:a sour:as = der au:=.a:ic :: -m-_m'

'-*-ia:1 :. A*.sc as s:a:ed in ie::in 2.3 Ass =;;1=s, tha :hird C* ; - ;, whe: hor :::bine ::==::: drives, v11*. be a::ca:ed per 07:0 :'-=--_al A :: 3. C. *. ! - = --- 2 4 s : :10:1 ef Oesire Al a =a:ives C.1.1 0' es e; 0--ive: ? _._ *: e s i r: 1s.s e "l:Jign (0 :12: la) he :ht d u. pu=p is a===== drires 7 pu..; ;cwered by a dedica:ad diasai ze: ara:::. hus, :he base desi; c::sists of :o::, :urbice, a=d diesel driven pu=;s.

• he diesel drive: pu=p is au ::a:1:a117 started -1:h : :i=a delay.

See Tigure la. m 0s:10:s 15. Diesel driven pu=p base design plus a redundas: su : ion lice as shown 1: 71gure ib. ic. Diasal drive: pu=p base design plus a bypass ar:u:d axis:1:4 sue:1: valve. See Tigure 1. l i i

r...

SUPERSEDED

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bina driva: ;=; basa insig: ;;.us a redundas: suc:i::

'ita. Saa Tign a 2:. f A is I i 1 f I I f 1 0 1 1 l, SUPERSEDED

1 1 32'

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3 1

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