ML19268C489

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Draft 4,Revision 1 to Reg Guide 1.133, Loose Part Detection Program for Primary Sys of Light Water Cooled Reactors
ML19268C489
Person / Time
Issue date: 10/31/1979
From:
NRC OFFICE OF STANDARDS DEVELOPMENT
To:
References
TASK-OS, TASK-SC-523-4 REGGD-01.133, REGGD-1.133, NUDOCS 8001290161
Download: ML19268C489 (13)
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Text

HOTE 10:

Document Control Room 016 FRCH: G, g,.eldenhamer SCSB Ol5. 50 Please place the attached document in the POR using the followltig file and file points:

POR File Related DocumeMJ, (SelectOne)

(Enter if appropriate)

Proposed Rule (PR)

ACRS Minutes No.

Reg. Guide Proposed Rule (PR)

Draft Reg. Guide 1.133 Draft Reg. Guide - ~ -

~~

Petition (PNI)

Reg. Cuice Petition (PR}l)"IRM)

Effective Rule (RM)

Effective Rule Federal Register Notice 50 Task No. SC 523 4

~~~

HURIG Report Contract No.

Subject:

Loose Part Detection Program For The Primary System of Light-Water-Cooled Reactors Draft 4. Rev. 1, October 1978.

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9 800120o 5 (6 i

Dr.6 H y C(eyeLiff REULATORY GUDDElon n LLS. MutttA4 44cutAr s a v C09u:5008e S;^: 1 ^r 14 4 vs.

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R40tAAff EV SUISE 1.133 LO.sg.paaf ettec1'ione pages44 see net assuaAY SYST84 47 444847.#4 TEA 40Cu3 st44tcas A. OETR40UCT4fM Cdtedae L teesty Standande sad Rosseta,' et Alt *4#4 4. Meawu 3 6te Caswis 'ee 'desonet P++er P4eaa.' is it C74 inri 74 'tJeesses et Ple44sas tad VWieu.es Famisan,* impuse.aas 3

mMewet rimease. 4a4 aanMaease ipopemas ne

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4e es6 tem, taaswet, ww64, and smans se *

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61&&44*41(188 4teenet448 esta L4e setoA4Aug of tie 64fwy P.asseaa ne H 7w(4emed ud na44 6

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to 6tsw o 6485 3t3 w s 5.pssee Pg asse.gr44&es 94 totest :1U sta sfest '44 :'.ama.a pr44mg 4a V trg?hy M 514 83811. 4Ju414e J44884f (3 5444 kJE8W9 ww,.

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62. Af.4 38 44 7584UAf 24 Lao leet &4 f424114448 apt >J.ty or ser4tutuse 'e.as et etweetand rs.

(Witt er tale 4etr& Lee SI.34 f3447 71131F574 f

t<.tM. *hr adaars am swsanse" '44sut'as a peepened facuu idecfazaea stacas is east.

m%rlbe4. 67 Jube*E" 44 4 4 Ale #41344 2e 999 &&&4t?

4164Aty el Ots39t3 Las gearpeacegg 4 3taattaaet, 344 f44154y seio staes e.2 Se e.o.4 Lie salary W 6thd thts she,%ss sg 44448444m4 el e) F &1.ee o.al be

('tC1,03UR( l t

..s w Pwayepin (stfh '44.almieuuhe Centrein."

sagd,es ne sponsnas fee a festity ** esitag kvese to powde posewe ia,hamsal teesAru4ae edaung to especaos nessury se more opmuss et the Ibs2iy 1e e ufe enames.

Pereyee$ 2l(e) of 10 C 4 Pin Mtandards

' gw peoneene A gsiaes AM6me.' mates Qu. e ne' dden_u esm#p.eg essa 4e m.e ssematta ist fena le u

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geen to saasme upweess to'eselause u fu Wow to been tended le laan part u la espesasty p

'sts edY a.esen m mS i

li,3C set tw maaemessias to see e eerduery m.

,h, il,j,@pl(

  • na reseem to teenstag a posesuasty r'"l$(J,l,tBfl lf r'
lil, g e.,. a e. m mee ru.,.4e 4.'ese.

'este put e hu.*uar4ee4 i

. w..L xU

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a popse un on we

  • men se een tae Put M.aser=se thu opmse of aaces perwaad is menee tenes eeu.a aperu ee d ime uati4e WB ne 'sa Lee u laesuasaty sa:esisw*

4he Adessof t Comm*.1T** **

vs,,0.n, ~

geac. tar SaTasvards ha s been sessultsd concernsnc, thoa

9. DLtcusstost e,,esde and has concurred en the The tanense d a teew as. em4st,4 ud iat.

,egulaf ory posshen, eso tan a se snaary maa.u cus= um se 4 dessee af (agrMet reestar safety ersuastag frese taa.re er esasema6 el 6 safdysstases tempose.it e

8 A bees 74r4 *eetaar 4 %e *ise a taaet er eeth as et l

esposees at fi6e na.assa.astsene%'y s tt ;e the

~

e ps6ssary weses tenas esaureates, est. ming, or massenesse p***.swen. es esemWse to esmae.

eens. (must na4 maastal sett ty fntsees as.

peezes esa ester parts le ce t]nsom. A leese part as pene a tesessa tares et persal *aw t&ectage wah enandams espartwe !me asesste inedlag

\\

(DN11

  • essa e este sesLa ewest is fadute of f.mt

. dad t.86. la 64 4 e64 4. n 'eese part iactue se pesanwa 'er reestg6.eet.tammag tr t 'er amarista.

. ties el agreust 'seets el enge44%,g try( 4 34 pdpary gwam.

N paary porysse of the losee-part (certfee d

povyte' e ce sarer eumee of bees==ade issu 4 ue 78tmar? l'taam. Early 4*iest4e sta pessite Oe ti8he 8 44'884 le 4.one er 684 f de taleLP.*Ested damage se er use.assions of pria4ry eyweas see.

pensasa.

' le $'t suust de seamas in esese As.evues m s

8888eemme armee tafe.asg 3.egsganamense, e e sweeseeg aumensamenneet h as.eenes,ee.o ang,g esey e se==. ewe a

i The locsa part detection ;tegram also serves a ns.

i i

^c coad purpose since it can minimite radiation ca.

posute to station personr.el by provicing for the early detettlon and gener:lloe tion of abnortnEl st'rvautal'

{

cond!dcas. Information from the progrt.t can be

[

ased by station personati to focus their siforu when tr.!dag remedial action to minimits the fermation of i

l war.gtnerated radioactive crud and to minimiz the esed for satensive structur:1 re;:lts he se:end pur.

V i

pose la consistent with the gaidanea contained in Replatory Quida 8.3.*!nformat:en Relevsnt to En.

i j

tunag That Occupatier.1 Radation Ibyciures at 4

Nuc! car Power $tations Will Se As !.ow As !s

?

M Raaaonably Achievable. which providu guida.nce to -

s i

Beettsees for maintaining ce up:tional deles to in.

i"'

i div{ duals is far below the ert tssible litniu specil!ed

  • to the NRC regulations a;s is reuonably ach!avable j

'i

]

thIle. tt the same time. ;toviding guld:nca on

<\\-

i methods to ensure that de sum of the deles re::!ved by di espesed ;cr~ enneils also at de lowest ;rgde.1 I: vet.

Q.

' Us Advisory C'ommit:n on Re:ctor 7afepards

- (ACR.S) tad the NRC statf have, for the put several

, 'yur% be:n encout:t ng 3;;lictata to c:mploy on(Ina

=

i toose part detettles synams in an attempt to st!culate techticicgisd develepm:nt in th:1 sten.

3

.r

, This apptcach hu resulted in a substantial iner=ue

., -O,.

la indutry.wids e.steritaca ar.d consid:r.: In cas c:

0 systet: s and hu resulted in the com..crtid pr.od :.

()

/

con of locse part dete: don rytte:u by several e

J 4

mgineering and m:r.ul:cturing orp.-i::uens. At!

[

u app!! cants for a csut.ae:ica ; rmit or r.n eger2d..g Deaus are required to deser.ba ths locsas:rt d :::.

tion program for the ;toposed retc cr t!c::ica 4.4.6.

  • 1utturnentadoo Re;uir menta." of Rep!:t rv Guide 1.70. star.e:re. crest :nc Cont::: c(5:f::v

}

Asalysta Rr;cris (or Nuc!c:t P:wcr P!:;:ts-),

j

  • Aa Impre;crfy deve?::ed :nd ;ocriy
  • mete =nW.

locta p st dete::iori ;tegt:m rnay requ.re ut:uhe i

attenuon by ;l:nt c;er t:ng ;ersosnel sad ::n result J

, la increased radi: crt et;csure dus to. cts it pent Inspe :!crts of de prim:ty ryste. Fcr eis rersen..

n this gaide ern;hultes the..e:d for providag systes fe:2ures th:1 enll minirnt:: (:1:e :ler: siprJs and for fcselc;ing diagacitic prec: cura th:1 c:a he quicMy tmplemented to sus;Iement'ir:for=::ica frcra th

  • loose part detec:icn syst:m to d:::rmine the thett.

and !cng.4crm safc:7 sipificane of a Icess 2rt. A

  • t!!.develc;ed tocia ;;rt c::::dca syur:n ;should cable d'.serimin:tien of the sign:1 indue:d by the im.

e pact of a ! cess p:st frem those signds incue:d by aormal hydrsulic. methanie:1. and electried back ground noist :nd large :m plitude eie::ric:.1 tras.

sic 1.s.

R o

1 c-

=

g i

'f A t h e del e. as gve t e c s.

de The loost Stet detstion :r: gram outtinid in this p ro v id e f o r gut e rna t s e. c ul es e rwal

., ftfulatcry guids includes totm automtere a.d

..ed ldsfstison of Ice &4f Aa# se a'c ec le p s r.9 45 p r f.$, af sa modes QI data 4tquisition.tThe tutcrnauc data sc.

r ec e9Mt Cd Quisition modo provid 1 for tantinucua monitonng of amater, p recedore for He of signals,but data are reserced only wnen the detec.

C8 aI8 ^ W8 V 18 *^ I' ^

  • d*f 8'I' 8 " *f don system senses that a cretesignattd a!cet Scf hr.s'

/esd e parti, f.ce/

a sna s ti vih Asm s heta teached or tact ded. An alarm altru control ta nn a saa tc i

w'11 ha acces ttom persones! s hen the t.!crt !cvel is re:ched or ca.

thr. *patenf se/ for feb1 C 4/stf 11g a cl.1,.

rionw21 me.nlf erla s cf c:cded. Th's manual dots se visitien mede erevW ac'43cr periodic monitoring tercriermine sysica opte cdity fhe oudse patteen er #A:

8/S Pr8"/33 ' ' '/ ^ ' f ^

(lecluding calibr:tioni, cstablish the a!crt level. and J 39^se// v s // fo looJ e port' sinpocf4 alert the Ilcanses to data that requite evaluatlen but-J:a g sod eopa he/ sly fe<*

are ofirtsbt!icient matnitude er incer nt chmeser to w:f A mo r,s.o u s c wdic otherwise initiate %Iut procacurcs,

'rega noun-

.s

k. :n o t o.'o n.1 sogn /.s. 4,%.nval Yf O '

s he r 8 / A C p *,8/' d des.S, hit #: 6*: r The loost part actection pr gram odtlIned hercia

//c/ 7:e /ncre:J # 9 fA8 A"'

3 Icr/ 4A*ul

. la cotintenced to be a encarch pecs" m. Instrumca.

en J fofien puaana:

. tstion and precedures that will restilt in the at:d (cr a

'ec Wa & d Solf CM D 3 C f' 8 E' C-(Espropcrtionate arnount of attention by conttel

.b C3 Li.

room persennel are net ene:or:ted. Instr smentation that can be used 'ctap;tournus g size anc loc uen p

cf a loose part but that dcca not tate icts with the

. not:nal altri and f3!ss signal (tje:tica functica of the

detettien progt m would he usc?ulis c:mple=:.. ting d /cef !cese pcry3, other Inutum:ntulon to deictmins the safety

  • sist.ifkanca of a dcte::ed locse part. f.ocse parts

' traveling through the primary syncm will gsact:lly

. y, 3,,.g lg, 4

senmu!:tc. at ! cut for a time. In such auurst c:lle:.

, tien tre:s u the plenutns m rs:ct:r vcucis and ste:m sencraters. Thcrtiert. this svida retten= tads that

, g ".,r * # " ",~. : ^ *'

5:sson be !ccued :t th se and othtr nuur:1ce!!e:.

t

.dco : t:1. No benedt is sets in instrumenting ste !ght lines of pipe or other attu drout's which a s

Icese part wii! quickly pus. C!csc scrutiny of a rt!atively sm:J1 : mount of c!:u!y rt!rvant dus is (D(()

P.h]

(f 6

'cor.sidct:d a bc:ter.cutu!ca pregttm th:a cuncry review cf a lar;t.vclume 9f ic:s signili,c::: dat2.

.e..

a A ; rime conside:uien in d:veinpiny the toesc-pttt det,reten program is the : void: c:,n ;te::du :s 73 qutr.ng ex:nsive atter. tion by c:ntret r:cm ;cnon.

  • cet and c.te::,sive :::cr.ing by the ik:r.se:. The t= mrncaded prey-:m would require cett::cr r.c.

8.E C ?'8 6 m t / A3 f3 <^=.8 C ?O.

e e

a L lo /f s t-t2cn or engincering rsvicw eniv when the s.2L a,

in:pente::

or p: hen

.wein-genc%.! s.s t.u*c6*Mor wnca c:nsitannG tse o Ic. a m C c,t au p,,;, fco, je,,..,

~~r oper* bitty of the.instrumcatnica syu:m.1.!c-c.scs

,n g p,,,

reporu to the Commisnen duries opernien tri car.ty when dcAning the :!crt !cvc!. when a toes:

'psri is confirmed to be present. ur whts the as.

Socist:d technie:1 spe:: lie:tica i.: violated.

O s

o

.-.y -

I

--Jigerrar Althoughkoose.p;rt derctiert syst::r.s can. In 'a

" *; ! V ; V 4., n ? ' '.".., ^. * * *

  • s Y

tarte numbcr of cues, detut and lad!nte the ap.

e prealmate tec: tion and weight of alacte air other l

information (e.g., that obtenec from star:t prce:ss.

I signals, from an inspettien of the it.r.!!:7. or from.

'4^37'.. "..

~

pnor optriting history) will te necrur. / in me" ' <

?

stances to determine the safety enW:.ed#c( the foose part. T'herdett no action '*ith re;ect to rc:c.

ter opertt!ca la recommended tutd en 'le tefor=a.

tion obtained from the lecte.ptri d:tsetion r;tt==

  • alone. An alert r:sulting from the Icese.;an detec.

tica rystcra is consider 44 a warning. :r.d it b Unpor..

tant that fcilowup steps (e.g 4::;::altian of ad.

dit!cni! d!:gncstic informatlon) he tr.kes to det:r.

i InIns the significate of the alert si;-t!. If a tocSe part is shown to be ereient,its she**. t-d feerdem a nons tec enc e safety ka;;kwedattu to e c:te:.tr. c.

s

~De potentit! for d: mage init!atef by a loose part Op 3

<D)

, Ft f

l

' is not netssuity ;te;crt:end to the im;ac: ce ;y.

1 i.,,,

"'Q g

of the locie ;sts. For n.tnple, a smni pir:: of nat J@J metal plate may im;2rt little im;tet tr.ar;y oct could restrict!ont. cw to the rnetor e rs. H:sevcr.there 1

are te.hnic:1 clificultica In tryir. to distir ;uish vg.

j' g e,

.g g.,Q Icw.cnetty ime:et siensis from

  • ".t Mt-Sti rtettse acoust!cinoise. capct;tnu wm. ;chs. tut cc:::.;cs rystems fer operatint ;rutur::tc tr.d 'poill:3 water reactors providrs the buis for est hiithicy :n ir:;tet encrty of 0.3 ft.;b (0.673 Jcutess. e.g., t:: 'sinede certy of a 0.$ !b (0.U7 '4;);:st it:vad::3 :t 3 ft/se:

(2.44 m/se:). u the tr::mmt:d d systr a ser.siti'vitv La Resu! story Position I.b. Ib;:. ::: shows tast end /hoh en teme ses.1:ns e.5,5

.s.n et/cr m ;cce cac.-[sc.

sigtials ruulting from met:itta.iejen !=;::u cf that avend/1.::ene lle c ? 5 /f 44 e

cutr.itude are distinguish:ble fic:s ce sor:::al le v e is s oMin Lee.t';t:un d r !sr,

cr

~.

ksckground colse. A le c c is s.,, h e n eso rg M: nie n co fa ctder to er.rure that. u a minimu: e? tecse.

ci,c'io m.s ad.:r,no trr e c':..

pa. detec!cn system hu the abill:y to dr. n what the staff c:nsidars to be the = cst sit:i!!::r.t ru:g: of leesc partweignts,the staff :::mmt:ue:.r;4::ory Posiden 1.b) ti:t ::a locse ctr.c:te:d:n rysta= be ei,/e me /,e e//,,

c:pablc a :=:d.:9 Aec : 4 3 L % swm, m.4 dew e %

t-- mt ::ose -: s :-n - e. - r t:w ns -

e C A 0.tta 4 ) :ac M to (12.: y t yt:

c::rs

le weight rtug* is censidered to be re;rus...;t
u c ; a

= cst c:mmen sad signific:st ti:ru :(I:c>e ;=u.+.

and,mpeer c.,i/A en, energy ;

8Y C'8 b N

    1. F * "" #*

I no high radiation :nd th:rnd cyc.'!::3 cavitca.

= test to which mut of the prier.ty }st:::2 is sue-P:ted could in tiene dter o;cruing r.har:c:-;stics of U^

  • 8 ' i' C ^ 8 2b* 'A'* "

.A ge the toose.put date:: ion system sa t:n sur<cht.::

P : C C." '" *g *h,r f.* 'g'M,#~.,.9

,3 3..

be=mes inctie:tu:1 citner by cust:3 ucasin a!::.

-c.

r; r -,

pa a r -rin signsis or by dre: sing sensnivay to !cese ;:.ru.

7) I8 '"' ^ ?

TC 8:

herclort. in Ript:tary ?csitice t.!::t: st:irr=:m.

!*8 " D o
  • 1 1.-e m.

, acada thr.1 provisions be incor;crued into the g

-S.

~

[

~.

i

s shkhtausal seus, Asp.assey hs.t.de i sdenwes operabiBay lenas as port of 4 to#*,t:4asa redw6 55e44 b 4 Peepenet lesaassai nensAsu44.

Sinta as stretsah e la na event eat sesi4 'adese 4 leets part la t&e pesary spuses, it 4 esusnote 444 44 leste.part dessetes Ottom be esegnet La $nas.

ties feta

  • Lag ad tunnes vients thu se set soture rp

@, W l

h L

plant nWeewe, Resorttag Tatilee en**8 d'

l g u g6 poet,newe%

med am te deil s** ie malaisumesren se.an mm.: m pe e4 b..

i the quem raaans swee er weal nlass apaedlg.

4. ARQULATORY Pc88TICN
  • As laservice leese.pset deteetiu seegrun abeeld

'. c, be haplemented one se primary syuani et Et e.

h ester seelet asemre topas seeeperunenal essass l

and the uartes ase sewer eestulos sede a tasae.

damse =Lan ce falkawtet gods!!aus

1. S ues Chruterhdas

< ?

a' ' %.-

t De AA.'ag faantree shalJ ve tacorporated !ste each teetevart detesnes ayussa,

a. Senaer f.Jessies. Sentert estable et deseedag amounde datur'saace nound be ninetwanty locuse es Ge auselet surface et the reemt eselaat pranate i

bocadary A misunum of two uaurs, wiutty located to prende basad casertee. sh444 te 'eca:se at each een.ral eeJectise itsres (a 3,. senter venet opper and le=er pleavea sad esta PWA staase gensruar esacter sadant Zales piennak

b. Synta= tessutmes ne saIne unaldvity of the +- J cwr.:ec.she, 44/sc he,.

tystem thewl4 he wcs thu. as a miatavan. tae ryuem

' ena detect a metalile teete part thu wet s than tal I

h (0.114 %o to Oc it (l3.4 4g) and Impacts out a h a..w e,desi klastle snesty et 4J 4 :t tt a 3 Jewel es as ims.ss

'?.* *h4 veai eA4 r e s 4 ** a a wrface er tae reactee cuiant prai.e. v vaes,v sesus*weiy saaade e

within 3 rem (I satart of a waset.a.usepssa hv av/ Taht, er/se'r asespsa mothed fet serstpag tha sellae na.tsuvity is te e4 spetse.c, sa n/saf sse/sress.f i demosurate (t) ne taus ayuus usuuvvy tuttag

  1. Aes a sende/ss,*.1 and #4 f.

plaat shwae=s aae an stas t2e tutt seas seess C4/4,d/ an4dc 4 eathwM J I.a,ir t

meuvred tuttagseie.u acenes a u g.c e.6.,,e 44 apets/ves' of /4a /ss'et /As a

altff /dwe/ e4,3/Cvedf aaf (Je* f.

"J4 evocs, withe usnal uwetttte wi43 tse itosfed A

1

  1. gplc/gryJFasho,1(l'.3.t.(Jhh deseeable Icose.pt apw _

A4 en e sesopic, en c

e. cawi frievem. n :aare.memat!= cha sels (e.g. c:311ag. am phl!<ru us4c ated wuk tie twe sc.scrs teessr.mences at essa saturni catisc:see aermel i

regice should be physacs!!y separatet frse seca etact statual at as seanor locataests to a point la ce l

r plaat that is 41,ay e actasole for malatenascs during 8 d ','"* 8 f OI/ 4 8"clI Def!

fWl power operat:tHL.

wo uld b e < !e ctlpo dos:tensais 'I-

4. Dese.4cruinsies !crien. The syvem shov14
  • en pte p c,,3 peg

, i n,,a cfude boo swiomatic sac manual stamp of atta as.

1, e hg, e,,,,l a, e a.g.,

l guisittoa etwpr:te.16 (we Aetwatery Pasues D. le g

i

. e.. i......... e. s.., 4.....e

..., g.

cheth 484 64 6eette of eeves engas taegd weeg og fd83/44 68' W84#I4/ / Shit l

y es e t84 8 h a s a s.t.1 esapp eene pensenes et ses e

,en, ne sei, g s esei s.e a e p,n. 7...f.,

a v r a = v w.f.o.4. t.e n e e

.. e e, '

dA W# 4( A J 4 84 /g d' y,

'eIIbedheessee peggs$ag gf gg gesagg

% pette elleesseense e w geq e,,eq - m - g a

.gg i.. e i J A d A 4 # 3 g a s,gf, PA g fheseen eineMr n _ timeg e.e4 inne 4 y&Jeset.6 AewJd &4 4

mm

e h e seneef _

ennenessemeesamene-n,;';r ;me

.}

- -n;

, p am...-e r

w,,,, g g

    • si N6amessessesa =ese se
  • enemanneeftaeseen,emene ;* r;n n' M 4misesti.
t Si dfwe 47 4. Fiesimies abeeld k sede tie toews

'. i beteement<- -

g la losesse ette aseunu'et a neesi~ '

eseecs een Aspetanery posises I h.

g en to aiem %gie u.a. W peesseseg sigenink toe ee seesesseg ggegg gg oneen.

no go r - W e and essess H

einek.e.a'me,e,e e out,es,e, wee w m,..

<844jec/p.4.rAot a

anon we we neue,a a gQ h 3,yg %[

4%

4a ea4:44ueeti.Ae4 s ora,.w.e ci.e e, sea, re,

Paedake etee6s be mad eben e

g e %#7enese enduesseed e..p 4,ng g

.ee,a s,,

gy,.,

She***8 448%atea6*' testet pwwse etee64 eesseiss

    • enhed*4 tese Asydstry Pana.es W3, e

$W Y Ve'.*e e*$ W '":^-

l

'mpete ed Padeonee esm 6eseos w _.'of (*be.,4,eeJ"

& gjggqry ypg4ggjggy lq .irw eeneeen e.eu.ee nsee 8 ee = esame sneena au se ses sese.4e p.ua m I,s. g a us %.as " #"" * **I888'"'4I, te4ke10 Sn b e.ee.e We.e, W,,G ga me, es,. Q^ine **=is44 apesafyemee eewg e.6 pee se==l e ha c' _beenaeesseA m u e 4ee.;_ 7:r n how Rese,seg 9,qs.gp e J44=eeei Cannes 4.ne, asea. r Ib etadee 'W88uW todBAustone esfee thousef espan etsed,temene eu tes emesse e>4ames e seasse 4 deansi esse e es endseems tunessess af eseene kneesme ' e,e.e m = eme e., -<, e s. 04, e ]D r 4 .t e pesame af te naeshoe et.3nde af esas see emne 49eheese. j, i I er esses aussee time essesteem esenseen eeneneseemsen U V d i ""3 'g te see Jefeseen . A 44peesf.%sputed les he teseg eessese 14e itsees of 3 e emeesnes etes she es meeBe e Sett d et sheepp tabade 3 3Befhdhabe e assey ausstemak eme&sg Gese ese Wue 8 user este he essene seamme e e.ee amusee es e esensasse esaaf ese de eneas amenes e same eessmande. assement eness ese De thessienne A en&ensisentseems e es eclesunag e essenere of de casest n espas e eis e suneeses sus de essenese siste ese ses.ptse e gesmut ease of tee ptenees as as apuhee esmaest he 'e esmed anisessene==eas.a.se se sense eneessi, se esasar one eepe ese ame essemeen see seespo see anaese I esed let he 6heses e.sapschee Sed et omf44pm de og esp eche W enouGAEheb espageeeg ep ghip aEma.m eggt go dg qbg gggb e 8 y eense e enmueue, l f I e s p 4

] s.\\,, a a e's e/rquei t iv 1 r.e:d r.ct fur.ction w heut m: int:nsrce f:ltcwing the is 4 ee / z e:, i s t.f., e r =a-a. a l-f

esflcd scismic event provided the audio or visual -

o,,/f 4,2 cod ic.s.- ter e.1 c. a arm c:psbilltv rem: ins fusetionsl. De svst:-n 3,s.,e/ 4 c. :!er.n er.,c r eo n v e h r e e!, q 1,.- ;.J.- =.* :,, r s, e.,/; thould also htW anca;

r,4 i twu nrus-i

.d46: ens Aguw+ C, 441.$42-M*.cti+a 8 .a: ye., e, /f f.,,,,,of: cn r. l r i -Gees !"%cm for-W<tc Aut:m." :e-re. a .11s-qu"* tica.-;.togram-4:st a st iu4 d 4h4 tw - ha.r nca.t uis4.;at d W C cr dw ccc.d. di+ae. (*.t e !*** of-'++;*n6--*c:4+a4. ars- ;;*e. &AV

h. Auct:ry of Sprem Camponents. Compcncnts should be of a quality that is consistent with t h e. e e a..reta en e.a.:.,1 wata. sis minimum maintenstiee reedee-ems ad lew.tailure rates.Com;cnenut.oulo et c mpations witn tr.e.:0 year design life of the reactor system.Cha-.sw n t h cJ.'-

8 ".1I"C r :21 !. > A c t: c-l 4h+cM h

d+ aar eptwint. ;;stu that att as.
  1. d
  • ed' IC i d I' /C

'3

  • f'

.: hw.C 'h '# '# ^ ?'.j h.c c.1lciles.-. ticipated to have timited service life. ' Pr** 'c ~ / 8 / p/orec4 r.:m / A c.5 C L 5ptem.t<pele. The system should be desigt.ed to facditate the rec:gnitiert, loc: tion. re;tecement. ' repair. tad adjustment of m:Jfune.ionit:g compo. cents. E:;uipment, prec:dures, a:d laycut should faci!It:te maintenanc: to minimize ;encan.6 ti= io high rsdiation art.s and t. nir::tz: cc::pations! raciation u;esure. ,2. f.*.stah!1shing the Alert !.ceet Ta s!! cases. the a! cit I: vel sheufd he c:asist:nt aith Regu! story P:sitions I b and 1. and should inc!:de 7 } 'D

  • B
  1. 6 t!}c effe u of backgr=und noise.

u.: -in,- +e *-a u u. eu a m e.+eWWg A-4!:r6 t<v+ta, e

a. The~ alert !cric should incer; crate suitth!c is.

ter:21 eriteris to distinrdsh the Lt:nsient sig:21dus to the ic; ct of a Ices ;&n from the signs!4 as. seeisted with norm:.! hydr utie. me:h:.ical and c!cettic noise a:d largt.ampiitude cier.ri:al tras. sianu. Fcr uam;!e. it m:y te desirshie to inclues !cgic that rettuir:s ta: c:r.;truon of two or mors se:sor signals with the alen !cret.

b. Fa!sa a!.rt !snt!s r:su!!!ng from "-

plant msneuven (e.e.. cor.tt:1. cod iter:irer sne j, r e. c c.tc r t. r e e, z u r, = 3ter33 otDCll lout;&& L t.a t 6;nnQt Gs avulces av t.a s proc:dares :.uoci::ed with Aer.:l:tery P:sition 2.2 racesn etay be 2 oided bv sutem: tie : rec::ur:s that moec:t.sruy.4.,+ea t:s siers..c,ci iarm., t e v e r. id e. ;

c. The alet logic may previde for the alen tevel to A//f,fac/fg,ef7#

,,/y,,, 3,4, f,, g 7 be a functica of the norms! stescy.stata operating A re c e du e:S rme jr be ca r d.*: = CCodIt500-o f a u i.:r,lb c r*.s o n n 1 c.n n tral rec t's If1 ' c h e.

p. ;C :: art S 14 C t r.
d. AJ 3;prooriate. It may be des.arthle for the 3!cn

.. o f,'g f., p j f / Cod M*C I: C'//JM r ! Icgic to provide for the :Jen Icvei to v:.ry from se-sor f.e e c *c,r 3,,yr.:/s c 4,,2 ::t.ty to senser to compenst.ta far the inher:nt level of s /cstf enco eu ve r.5. bac'eground netsa :s : sper.:1c tt nsdue:r Icettion. s. -g-

r.h n u c u b,l

.1. thing the Data Acquisition Slodes, s ro s c. u s.: :' a c t a e do a ///.::r The feesc.part,dete tion progr m should include s'e /:= /.n e,.'c ':2.: yceps, I d.sta acqubition in autom: tie ino m :: e.eees The autom: tic mode is for/:nic meetien e ime cnd.,cr docc acs.. c ;;rp:.scs gl pSrts. De manual rnods ist.v censtmining systc n o ershi!!! c7.crt Icvef..(4s4 detecting st ntlict.nt safety-<c!stedincluding c:librat:ent, cstabinhing the a i

  • IC r"PofC f/ CSCodC3 YO IhC trends in the ser.sor stgn:Ls; a

C/CrT lCYCl nCccl not bC rcported.

s..\\tanual mcde. This mode of datn acquhition

~ . hculd he used at.the following times for the in. s dkated purpese. 26 - (1) Preepcrations! tesdag: Ltatibh alert Icve! .. for this test phs.sc. (c),9/ /ce.3 f ence per 7c'cy5,,' L t.s }cn I-s cwdio p.o r hcn o e 24 nal3 G) Stattup and power cperstlert. ' ' ficm c!) r:::rno :nded sensera lor (a) Ltabibb alert icvc!: for star:up and f.Sc p*rpese.. :: de !: :!..$ t r. u pewcr c;cration. De 1!ert Icvel for ; owc: c;cration greaenee o / /ce.s c 04rr$. =f shculd be submitted to the Corr. mission (in the statt. '3 9,.o/g,,r,g,e o f: / A e crc; r.c er up re;crt when one is provide ) witnin 90 d:ys (cl. p e33,4, h fj. e? c /ec,e.c ce?, .csang completion of the st1stup t st ;tcst::n tf the oejuo f e'ga e,.::nt.el.: A:uid, s t; 3;c ),en a! cit level is for power c;eratien fellowing initiaj r/ae c:/:. cec:.i;/ru s*artup or there is a change to the prec.tisung alert Lvc! (fr power operstica. pr ' 373/ c m 69 c licen da M 8:e lvt.'hc r :. vc I uc roun (b) At !csst once pcr R$. curs: P:rfor:s chas. */ cel chetk. / the hcek'qrcur.d r.ao.se nte::ered (cuc)c,on11 tuts.N M At fesst ent:;er 31 da,ys: Perfor:u chiens! durre9 n:rm:I plcat d:crci::n 85 .s, H,e, e n.4/ v s ee // a u'c A Ma f /A c S ity n c / a s s :c :c.': d sa//h m e. .sp e co foe d d: ? ::icllc I::.s:- p .-T ,r (d M At ! cut ener per M davs: Veri.8v thatM tmpccf t cu/d le e!:cr!/ daiC:r~ f n jAc p,.3;.ne e, A pf:, s 1,c.g'.'h/c8 E***I8 a'** +++sene nW w.e n+cm.t.l. u seg grevad ++4e **4,tha c.: d*+e.do w.inG+ce th+.;tu *+e 9 f.g g,,ng no,3,.,, y.,., fy j).; g, p;3 c, e+yess%4y o f +4* csc ;est. t.seestal,ca.s b eheader er e-trgrull:w.trer.4-* hat, r>+: bc-+e< ety.q:s;+4. ne .s/qnc/ /e m e cch r:::=et.- sitde::' Elert level and slcrt legic m:y se r: vised to provies dd.u /.*# '...Jn c's c C / O / d c for the background noise of these lat:r r e sure. 8/CACOCO , 3,3 C* #- ' '~'* /~#I* ments, ne details of sucs a ttvisioryhould ta sub.; JhJu/c/ /n c/u c e C,t9 .:.'113,n 6a* / ifl =dtted within 60 d:ys to tas Cstnm.u.ca as an dc /O, 14 c./uc/sM c ct..d;,.:t c'4. 0,y 21:end:::cnt to the pr:gra. t das:: pdort. cla /c Med of iAC //m C c5 th e /01i* l-:20 cr.;Cr l: rlf fr ::

  • u t* C ~

G) Cold shutdc n or rt\\::!!ns: At le:.st enes menf 5 i-o N e rs i per 13 months.,crify ch:nnct c:libr:cen using a c:n. d:es f.of cx/Ai f /dat /derc. c J /cm :*ican," trot!cd enechinic:l le 'ut t< 1.. seH~t itilH =-':sh f fr:gra cr et):mely o*!'4l* rr*c t! a incwn dbt:nc:K.::r.ne:4 nacu:c. :.3 ns: uary. :n rucs!,ibtate,d at this tu.t. It re:.libr:tten is nec:ss,try. jag,c=fg fA pfg,gg3cy, f 'd, c:rtsider:tten snould te gi,ven to replac:r.c..t et un. f e, 3 e 3, c, ;5, sisble componcats. H l T d'o f _ t e m o ct o r Y i $e

b. Automeric mode. De automatic mode should thok ornpctfb fo): :s t* n a l O####"'Q~#

be activiled automatic:!!v when the pr testgnated pr C33 u rc. 'h ?ur.:Jry). I" # O # E alcrt Icvelis c.tcettad. Act$v: tion should c mpese.tn audible or visual alarm to tne control reorn operster g and simult:ncuus iniur.acn of data tt:srcing quip. 3enL:rt avs ? i:./f JC/c r:c .rt" tnent. C:ta should be :equited for a sull'c:ent ;cnc4 pr v 8c'c. rn 0 */ m:,o'1 is C/"Cl ?'C. .of time to propstiv ch:ructar.:s tas s: gnats from t 4-sn *:r m: I'l - a { g a., ya e 'c.* f,-:f ey 'o++6++e Each alcrt snould be doeurnc.ted eith senior crid e..:v / I J jd::'IC

rtg2rd to tirne and pl.
nt ::nditson.

3e7913#1 N W

  • 2 AIO:~f")-

. P,.f% ]m, Mh 6gn i ww -+

'If the afert !cvel is ese::d:d et if tht/:vsrttriy ! * *

  • d

' E '~ J ' ! " ## # mcasurements indieute th's prnence or ;ctsibility of a

  • " ' '. I' t '

toose p:rt..:.aomte <-beh vic r >* : p L:m d a te,d the.mw-b.+,4ty el:n+. ci:;-ostie sters should'bs t:icn within 72 hours tehuh in _ 5 : P '.:" C '" yee:evice M a leess part/ a 4 cet:rmir.: na taastve. c;'*s** .a dtWne 414. now+c M ! 'S.3 01 ^

  • C '

IO g acer':sfous.-Jeta Wa (M

SIC atfsC OttC d
  • g * *....

e : .\\. ' 4. Ccatant of Safety Analysis Reports

  • A dese:iption of the teosop:rt d:te: den ;tegrs=

shculd be submitted to the Co.7. mission in rempor.se to the NRC st:ff re:iutst for infermatica on locsc. part dete: den syste..s in Sc: don 4.4.6. "Instrumen.. t:rica R:quirements." of Regulatory Guide 1.70, Standard Form:.: and C:ntent of Safety Analysis .Rc;crts for Nuctent Pcwer Plants." T?.e progrars de:cri;tien shculd include thesc h.s ecvered in Regu!:tery P:siticas L. I and J. 5;e:ist atte: don should he given to the fellcwie: 5:c=.s:

a. 5cnsc'r types, mounting locations, and

=ounting ;tecedura, including critens for chcic: cf * "O I U D, se=.scr and mound:g !cce.tions. 'J g lj ,J

b. Data acquisidert, ts: erd!ng, and c:Ibratica
3 equipment.,
c. Anticipated m: Jet scure:s of ex c=:1 and !=t::.

r.a! 22trinccus acisc.

d. Pre::udens taken to e.rure acquisidert of quz!!ty d:ts.

.lt..

c. Cesc:.'; tion cf the mane.:t in which the !e::

'evs! wiil be deter nined and also the alert !ct c (if i

ny) t=;leved by the nst:m h:rdwats :.:d seitwste in g:neradag an alert sign:1. Lis shocid incluce a dec-i; tion of th: ;tegt :n c:;attlity for dis.

l tinguishing betwc:n a lects p.t and :ct=:1 i bact;;cund noisa.

f. R:ference to the t::h:de:.! spe:inc: den (sco Rc;y! story Position 5).
s. Su= mary of su;;femental data and diatscrtic
tm
dures th:t :r :vaii:cle :nd that c:a he zied a.:
trt ef a di
gnostic progr:m to c:niltm th:;ruence of a loose ; rt, ne summ:ty sheuld :ddres the use cfinfctm: tion from ;l:nt ;tecus si;n:Is. r:diation

!c:k:gt menners, ocer: ting history, e.s:::. sing of contict reds, cycling of prim:ry cect:nt pumps, and 1r.:;c:.ica of the prim:ry ecol:nt sysicen.

h. Proc:duru for ;erfcrming :hr.nnel chc:k chas.

. sci fane:icn:1 test, <ene thsend. :.G:<:d:: 3 ~ l cec' .: 4.t":..4/..::' e 4e.:.:: .. = s a. .*,:.1 - S. -/0 ~

L Proc:dures for minimi:ing r:di:tica er:: swr: l ~ to station penennei during maintenance. :nbration. K. 'I A C C P pllC Co f S $00/d .k: and diagnostic ;froc:dures. (R'eferenes in Chap.cr 12. veriff tho/ cs41peacnis ,,,1 " Radiation Protection." of the Safety An:Jysis o# fhe sys/cen ws/hin t e.onfaloment v/ ell bc ,'q,- Report.) desianed and installed ,b

  • j. Training program for plant snential that ad.

dresses operation of the system {.stdware and the g fyggjf,g j. fj,tufaG Cj/ g} e purpes: and implementation c(the loess. cut det:c. SCl3'OlC CYCAES tip to con program. (Refertact in Ch:pttr !). "Canduct of c^d 80Cl8d'o G th e OGf ej l 9 Operations." of cc Safety An ! yds Repon.) S. Technic:J Specific: tion for the f.c~cte. Pan D,etec. a don Systesa -( o. A technical specinc: den for the locsc.; art d:t:c. e t!ca systc:n should be prcvided. Tae tschsl:21 ~. speclacadort should includ= tc~utrcc/ ^ T . 'q:c loc: don of thefenscrs. E a lob. A !!midag condidon for c;cratica r:: ! ing the, ,{" jy' ,$ f

  • ^

~ esc put dste:tica system t.o be c:::sh:e durine ey f a, g ge q,. g. x atartup and power opersticca en !!-u< w+9.a. ,. A g3 g j, 3 g, f. gg,:g v...me.7+* demcows u-J 'g#c:;d eef e s.\\ w /.#:m 4 s +7 m b % r m w ethe.n M s:::::: rz:en*:e .f prepared and submhted to the C m=:uien 41tE.T"' I the next 10 days out!!ning the cause of the calfunc. _ s h e s.r l d (, tion and the plans for rettering the ct:.. c!(s) to ao,,

  • I operable states.
c. A surveillane: requirement'that cach cht.nnel of --

the toesc.part detecien systim te d =:r.itt ted .. operable bv a ch:nes! ch-:k etr c t.

:t fr at cert v)Mours, a ens..nca iuncuen: tes. ; :::::..; :t

.4 Y T i Icast one: per 31 d:ys, and a est!br: tion t=st ;ct. i l formed at 1 cast once per 13 c:caths. y & Nodacaden of a I.cose Part E .lf the presene: of a !cese part fs c:::I' ed, the s Commhsaon should.be naufied ac::rcint to ths guide!Ines fer re;ert:bie ec:::::nca th:t ::.t (cr 'D**(D * *g " j " "( DJ 3 k " prompt notific.: tion wita writ::n followns"as sure. mari:ed in Regul: tory Guid 1.!6 "Repertir:g of Oper: ting Inform: tion-Ap pc..=1.s A Te:haic=1 spcrificadon.s." The (c!!c*wup rt;crt to be su:mitted to the Cbm. mission within 2 we:ks of the initi:1 actin:: tion of the presenc: of a loose p:rt should it:cluds (1)a sum. mary of d:ts cbt:ined in the manual :nd ::::m: tic data 'aeguisiden medes: (:) a summary of the ., ' analysis. inspecuens. and correlations with c:c : ting data that were performed to ev:lu:te d:ta I:cm the !cest part detecion picgram: snd (3) a sum:.:ry of l. conclusiens and a d=cripuen of rnecia:::Jens or oth,:r actions ;!anned or 21rt:cy ; rf:rmed to er:iuste the s.sfety implic:tien of :he 1:ese ;ut or to cr.sure th:t sysicen and c:mpencat s:Tety funcuens . arc not imp: fred. r. -n-4

.s D. IMPl.EMENTATION lie purpese of this section is to revide informa. tion to applicants retarding the NRC stafT plans for using this ritulatcry guide. Except la these cases in which the :: licant proposes antutern:uve metacc for com;ty.ns eta acceptable Med portions of the Comminion's regulatierts. t$e medad duc.ited hs. :f o sill be u. sed in the. evaluation of submittals for operating lic:nse ee sea. Mry.% spplications docketed ane:M. vcavo y /e19)8 .ms. a If an applicant whhes to use this regulatory guide la develop;ing submittals for acetic:tions docketed on or before..rMM tae ;cruncat ;cruor.a ce tas 704uct/ 1 d")? 3 application will be evaluated on ce buh of tEs gmde. s 9 W e 4 e k g 0 jy I /s s' ~ ,}}

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