ML18089A192

Safety Evaluation of Util Compliance W/App R to 10CFR50, Items III.G.3 & Iii.L.Facility Design Provides Train of Sys Necessary to Achieve & Maintain Safe Shutdown Conditions

ML18089A192
Person / Time
Site:	Salem
Issue date:	05/31/1983
From:	Office of Nuclear Reactor Regulation
To:
Shared Package
ML18089A191	List: ML18089A190 ML18089A192
References
NUDOCS 8306170483
Download: ML18089A192 (8)

Text

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• • SA.L.B: GENER'Jf.TXN.. &.; STATXOft UNITS 'f

.. AND:- 2.

<::.. NPP~Jt~X' if: TCJ: 1D.l_:cFJt:.-*Sl1;r. ~TEJllS III.&=~3;. AND:. IILL

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ptIBQ RU c:i=tO"Nf * *..*.

.. ** Th.e:._f.i,..e sjr-cte-C:.tion, l!tr*te: for* nuclear-powe.r-* p.lants,,,. Append.ix: It-

~

• • -:t~ ~a;,. CfR; sa~ beC"aar.: effec:tfive Febr-uary* t9.. 1-981-

. Tltis: rult req:~i:r.-edt &ca* t.f.censees a.f. Si.tant~ Lf.c:ensect. p-rfor t0: January. t..

• 1I9-'19;,_..:~*subarit. b)lt rita~c:~ t~,.. 19&t;, Cf:t.* plans and;. scheclu.L1ts.

• far.* *eetirt~:-:tfle app.:tf:c:atJte rreq.ufresents ctf* App-end.i ~- R:,

>0~~-- desfgn-cdesc:riptf.on: cf any-mo.df.f.fcations. p.roposect tG*

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• p:r.-av.td*f!ir. ail 't*ntat':fve: sa.f e shu.tdowlt' i:apabt L. i,ty.;-. put"';tuant t*o.

• P:ar*ag:r.ap-fr I4"r.6'~3;; o.:f A'ppendt: ~,. anc:t.. '3l:* exnp.tion: r-aques.ts...

• .~*for!'* "'~vfch~ the--toll.ing; prov.:is.forr; o:f' Section S.Q'-.48Cc:lC6J: was ta;.

he" i*nvaked:..

• S'ectfom~ IIr.. & an~** I:t:t.. t. 0;f'* Appencttx; R are. retro-fi:t f.tems-ta all:. p.re-1.97.'1 plants. regardless of P.. *vtous* SER posi.t.fons. and:: reso;luti ons*...

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T~~,Lfc:ensee*-has desi:ri*bed: the-post. fi:~e: stuitdowrt;;c:apabi'l;i*ty*

f'o:~* the' Sale111; faC::i lf*ty* in:- subm,fttals.. dated: Sep'teJl)b~r-1981 and:

. fn, letters d&tect'* ftarctr; t9", August* 4-,and. December-4-,.. 1981*...

The September-1981"* subm.t*ttaX also addressed: tfte-Sta:ffs** c:on-

• ce-rns: engend:1t:*rect by, *the--- NR'C: s:i*t~- audit* and SER.o.f' May* 1981..

Addi ti'onat i nforaati on'.. anct. c-.lart.fi:ca-t.i on was-ob*ta*i*necl from,. a..

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.lun~ t6,,,. 1~~.;;~pon~-.. :*ta-**5. *staff ;eC.U*st fa~* additianaf*.

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• frrf~~~i~a~~:.~'~:~~Qn;_: *el~p.hone-,.*~~~fcu~ences* o'f. Deceaber. *t~_.

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req.u.f.re~. ta> assure safe-sltutdowrr-* ' NC> _1!9P*tr~ or-l!@di**u:c:ations..

• • • ar-e-r.eq~t:r:ac:i, tQl;. effet:t" bot or cotdk-sitiatdca11T utf t.i,zing: the-

- alternate stna.tdo~ IN'tflCdS;,,;..

the-i:nsertio~ c.ft control. rods 'frcu1~ the-* control roos..

the-aotor-- aener.ato-~ sets frt 'the sw.t.tchgeae roo11...

R*ac:.titr=

coolant: t=n.veritar)!'* anct::: r*a:cto-r-- shutdovrt' aar.-goirr are: main-

- tat'necf' byr one a.f tlrr*e: c:heai*cab'. enc:i vol.u*~* cantrot systelll' cc.vcs,) chargi'n;;=*pu*ps,* tak.. ina suet.ion fro*** the** volume c:ontro-l 'tank,,,, bc.r..i*c:.. ac:td:: tank. or* the l"ef'ue t.i ng: 111at\\!*r sto*rs.ge-tank** CRWS:.T).'....

• Priaary., systeat:* pres*sur*** can.. be-- 11ai n-tain~c:i by*, th* pressurizer he-aters: a*nd pre.ss.uri zero-spray or-

• by' use-, o"f the:* c:hc:n*ging:. pu*p-c:o*bi ned:'vit.h L&tdown...

• Decay

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heat l"emo.vat. C:ait:.be ac:comp:,lfshect by. r"'eleas:tng,~ 's.teair fr.oa *

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thec steas* Qenerators'.~:,,ta*tfle*.at*osiiher-i:c: duap. valves.

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. '... -~ ltafteUpl*: te5' tfae.- steae: aen~lllr'S c:an: be p-ra.vi:de.ct by th.e

.. <:~~~~f.~ry:~~;~e~v&t;~}~js~~~-- whi~c:b" takes su~ti:arr fros

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th.e-au~i t.i=ary : feedvater.- sto*rage. tank...

Cat.ct stru.tdovm c:anciitfons.: c:alt!' be ach-i'eved anci. maintained.-

s~ste*O.:. : C:aat.f~.is* e.'ff*ec:tedi fn: 'tjle RHft treat: exchanges-

b~** c:omponent: *c:ooLing;: vat*~ *lfttc:~-

f.s~ in,; turrr,. c:oa[ea: by-*

se~;c:e 11iate~ f~: the*: c:o*ponerit c:oo*l ing.0 heat exc.hangel"'-

.. R4rac.tiivt:~** c:ontreri... ciu..-fnSl>CO:Lct.sh u.td:own,* j S< mainta*in.~d:

• The:. C.fcense91* fu1s; Sll"O.vi::dect alte*rnative shutdown ~apabi Li.ty i:ndep:ende.nt** o.f. *the:*. C:ab.Lfng:- and" eqtdpment in* the relay roonr,. the c:ab.Lt!" sp*r'~adfng; roo111: and; tfte-contra l roe~ The

• .*. alte:Pn&te: sh'u.tdovns settrocf w.i:Lt be: ac:c:oiap-lfshe~: by pro-C:edur.-al. means,..,t.t~ sC:tto~s P*rfor11ecL il:t Loca:L s hutdowrt<

st*at.fons: or0 Locatl.y:. a:t.'the* equipment*-. The** L.i cens.ee' has*

also prav,ided... summa:r.y o*f-the* func~i ans:. for-vhi c.h a*tter-nate-: shutdown: ae.thods: may bea needed-,..and: th~ *manua*t

&ct.ions; required:: to' acco11p*ttsh0 es ch: of* the'. ;:dent*i:fi ed..

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'functton~- n-av.te:..'11:...n desc:ri*bed..:

• In-addi-tion; te the

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*C:o11tr-e1r£s. *an~:t11stioumen'tat:fon-c:u~r-entty.* **v*'f.labte at* th.er

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• ...-: :~-:*a-xiS.e'f*ng."'.:'b.a1t--_~h-~dowft. pan*t~:. addition at. f nstrumentatfon.

• *. bas beeft" provi:dect: at* anO.ttrer-- ~emote panel:. fos-p-rocess.

. monito:rtng:-

A>tt.' ctllel"" al!eas o:f* the pilan*t not r-equ.i;... ect ta have an.

alter.nat:e safe: strutdowrr sy.stena: t&ftL comp.Ly* w-'ftll* the-

. EVAt.UATtON.

The pe,.formanc:e* g_oals;. fo~* po.st f"i*r-e-saf* shutdown can be met uafng:* the-ex.fsttng-sys.tease anc:t equipment* l. i sted, i:n Sec:ti*onr A, abo'lle-..

Th*: c:an.tro.u* of" th:ese func:tions can be-accomp Li shed usi'.ng; the. a.tternate sfrutdow.n.'.** methods: o.r-the-control roo11>

d:e1Jencii'n*g-" on: *tfte toc:a1:i,.cn o:f" the< f,i'r-e.. *. The Lf.c:ensee"'s:

slter.nate-. shutdowl°l'.: methoct. reti*es:, on' pro-cedures. and. ac.ticns.

a,t local* shut"down, s-tation.s< or-equipment.

The-t-.ranster. of co-ntrot c:-apab.f l.i:.ty *between: the- -contr.o l room: and; the hot shutdown, panel w.:i'll be-ac.comp.li s:he.d: vi*a a keyed in"te*rlock-*.

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The ~tac:ess 11anftar.i~n~ instruments t.oi be: usee* for &";- pos.t ffroe, sh:u.tdcwm-inc:tudes r--eac.tal!'.' h:ot te:g: and. calci leg: tempe~a-

~ures, pressartze~ pr.esst.u~*e and:: level, steaa genera-tor"' pres.-

sur....- ancl. lnet-,0 *net tne auai: L faa-y-fetedt1ate-r tank and. l"'e-

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tnct~~souree

=*Dgl!:-.ft~ monttor~ need:ed-t<> be* provided.-.

BY' letter datecf;~-~~~b~~-2z~>R98a;.._Je,~ tt~~~k~ stat~ thiit1.sucb> f'nstr~t.iom *:

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The ava.i: Lab:Le: suppo:rt s~s-tems for-post ttre-safe-' shu'tdown-ar~

the red.undant d-ieseL. gener-atol"'s:,. v.ftat buses:,_ ser-vtce-wate:r sys.tirar,.. C:OlliJOnent: aoolfn~ water: s.ys"tem: and. room-- coo*Lers.

Rrpajr-s/7?. Hgy c Ri:gufrement Th-e* alte-r-nate>- shu:tdown:. 11e.ttiods. !Jave-- the c:*apab.i: Li-ty °'f ac:h-i e:ving repatrs: u**~ planned' i'rr or.-der to-achieve co-Ld shutdown con-

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Assoc:fa.tecf.' C'f~euttF_. 1.DSf t3g I" atton..

A\\tt:; c:fr.cu.ftry~ fnc:iicators,. fnstr-uments.. and: pow.e-1"" supp lie-S:

• . assaeT.ate<t vi:th:*~~tit~: ren,teo-, panels are-independent from those-

. iden.t'f'ftect 'fir.e:: zanes:: fer-:- wh.iC.hi-altttl-native gh:u.tdown cap:.-

ab'f t.tty iis

• r--equ..fr-ect;... The tic:ensee: has statecf that nonsafe-t~

re-Lated: c:i... c.u.fts:. da not.* r.um fi--ont; one-redundant: tr-a,; n: to:

anothe-r-ancft i:m.aS n~<<ate-s tfre pasS;tb.f li:ty c'f p.ropagattng, a

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fire betw.e-eni: l"'edundant crlrcu..its...

Th.e-- l.i"censee"s. mettrods: of prctac:tfng;: tire-safe-shutdowlT' c:apabttf.ty are consi*st-ent. liii t"'

the. ;.u,'fdetf.rr.es- ~~r-0"-~dert b~* ttr* staff~*

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'the.. a:t.tema.te-shutdown:: fns.tr-umentatt"on: ltas; a ded.ic-atect' pow.er*

sa'1rrc:e anci 'fts cabJ~.i:ng: t:s separated~ fro* those assoc:i a.tee+/-.

w.fth! the-nor11a t stru.tdcvn; f'ns.trumenta-tion*..

Al L o-f* the naMaa L

• .pow.er-anci c:on.tr.ol c:t.... c:u.tts. are-p.rovtded: isolation; vi a

• e:tec:.t:ri:*c:all:t* coordfnated:. c:i*r.C:uit bre:akers:~ or fuses..

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C-gm'mqrr* srrc-tgsyrc:

Th:e-- power-: sou.rc:es needed: for alte-rn*ate* shutdown, the d~dt-ca.teci.sour-c:~ fo*r new* i'nstr-u11entation,, and* sw.itchgear and:

mo:to:r-c:ontro l. centers for rttquired: de"Vic-es-are* not.. Located tn-t.tr~ post.uL.a.ted* fi're* zones-ne*di ng* a*Lt:ernat'e-shutdown

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111ettaods..:

Non~s-af:ety-: l"'el.ateci ctrcu.i:ts. da: not run-fros. one

- r-edu_n'8nt-. _tr.a.i:ni--te>>- anoth:e~.. - Futtlurr,.. a-LL cables: a-f. concern,

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at'~ p.rote.ctR'* bl"** ci*r-~U.i:t b.reakel!s. ar-- fuses..

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iqyrigu;r S.fqaat Opi:ratj"on§.

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flfe.thods.-

a-f'-:-P'ro.te:c.ttn~- 'the-safe: sh.utctovn: capab.t:Liity. are:

const*s.tent: 16i:tm the-severftY.' a.f th*fr"" effit.c.ts..

T~e f.:fcensf!'.~ frets evaluated;<< the effec:.ts; cfi the-spu.l"i:cus-op~ratton:

.. v,i'decf: as~u.s!ance that: ei:tner:- the power-to-the val v.es: w.i LL b:e r.emo:vee-d.urin9[ normal ~:Lant Ol'etati*ons-ta p reve-nt sp:urfous operattorr,, Ci-e..,.. at the-RHR' *system-' hi I Lav-pre-ssul"'e fnterfac:e-l: -o.r---...:.tfrat ope-rator inter-vention-of a; spurious oper.at.i.on* 111ft.i: ~fl':. can:, ca us~ dela.yed: *effects.,. c:an be* perf armed.

w:f.tlti'n, a tf:llle'- frame wttic'ir does n.ot c:omprontis.e safl!' shutdown-

....... capab:tt:fty- -*

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S:afe Sbytdown Prgsc:ducs:3 1nd' Manpower;

.The licanse~ has;- developed. and: imp*lementect. detafl*~ct-w,.ftten pro:c~d"ur"'eS'

• fo,.... ob.ta:i:n..ing,; a,** sa:fe--. shutdown condition g; ven a ftre: even"l:"..

These procedures:* are:" part O'*f t~e c.urr"'ent.

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op:er.-atian-aL... instl!u.c.tians.._ andi::. earer-geru:y tnst.ruc.tions-.

The-manpawer-nec:ess:a.rr-- fas-aci:amp.Lish:fn~ thei* ope-... ations

~ec;1.i:i~ed:- fO:f"">the:* *alt~nat~ sb.utdovn.* ts a.va.f table at the

?Laftt at* all tfnse:s-. :M'e11bers. af. the-* fi:r"e brtgade a*re net fri~Ludeci fn; ttte shutdown~- atanpower-requ.fre11ents-..

. CONCLuS'!QN*.

Basect o,,., aur-r-evi:e.r,. Ille> c:om:lu.de-that the-Salent &e-nerattng;

• Statton Un.its t. and: Z. cl.es.f.gn; p.ra.vi:des one-tradn of s;ys:teras

• n.tt:ess:a.ey ta;-. ac:ftieve-an~ atatn:tafn.. safe sbu.tdaw.n:. c:ondtttons.

~y* u.tf:ti'.z:tn:g;: eittref.!"* ttre. c:ontl"'a;l t"OOD* o.~ tfte alter-nate

• ' *sl?cu.tdowlT' nr~thods,;,;-~-anci tnU'!Fi *me~.s t;h~:*r.~qut-r"entents-:,~f,.c* ~-;t::

.. :~.iPencn~ R: tac. ta~ C:Fit Sa:,... :ttents III.Ci.. :£ anc:t Ill.L. lil:itti. ::

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