ML19275A941

Reactor Containment Leakage Testing for Water Cooled Power Reactors, 10CFR50.Amends to Include App J.Specifies Min Containment Leakage Test Requirements for Water Cooled Power Reactors.Published in Fr 730214

ML19275A941
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Site:	Crane
Issue date:	02/05/1973
From:	Bender P NRC OFFICE OF THE SECRETARY (SECY)
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ML19275A940	List: ML19275A939 ML19275A941
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"..

LV3 RULES AND REGULATIONS ston The proro ed rule aould net hase required the repcrtinZ cf suen ir.for~.3-9 tion unled attempt., to re<: ce t r.e ;eu.

age rate of poor leu-t. nt ecmpenenu faaled to meet mmamum ;eak t14.-*r.a -

acceptance enteria. Thu.s. cc mmner.

which required freque. adytment.t cr repair in order to meet a;;owab:e leu-age limits st;l be ident f.ed and de W-cific reductions in (o ge rMe va;u -

resultmg frcm sacn atuMmenu s :1L' reported to the Comm: '.cn R.e 1 cent -

!! cation of such components wi.1 prme the AEC with a souncer ::ans for.u: inn whether or nct contrnment :e u m rates could have been execeded in tr.e un!Lkely event a demn co l.s acc:cen*.

were to occur. In acc.ncn. n.rh iden' -

ficat:en may pronde ins.eht mio tha fre-i Title 10---Atomic Energy quency and k:nds of adjustmen:.s ce:ra cegmts to e h =ma-m CHAPTER l-ATOMIC ENERGY murn acceptab.e ;enace '.;mau and a COMMISSION basis for either estaonshine a more fre-PART So.-UCENGING OF PRCCUCTION quent containment leukage test sch(du.e, AND UTluZATICN FACAUTIES or modifying or rep. acing comWnenu.

With rezard to item (2) a:;ove. the Reactor Containment Leakare Testing for rule r.et forth be;ow spec:fies enter:a oy Water Cooled Power Reactors which the 11cencee may fcr certam On August 2"L 1971, the Atc=1c Energy safety-related sy<tems tempctsnly c.s-t C-Wan pu:nished in the 1zotaM. panse with drainage and senung to cor:-

Rzetarr: QS FR 1 C53) a propcud tMnment atmosphere durtng Tyx

.\\

amendment to its regu!aucr:.s in 10 Cy3 contamment :catare testa. T c.e p:myed Part 60 which would spec 2fy the mini-rule had spect: ed that a;l syste s wh;c.

mum conta? ament leakne test FMuire-would connect d;tect;y witn the ecctM".-

ments for water-coc!ed power reactors.

ment atmosphere and wcCd b~ome sn Interested partica were invitec to sub-catensfon of the centatn=ent bcu-darv mit written ec= ment.s and suggeston3 should be vented to cone.ent. S*ric*

for cont!derstien in ccnneccca with the gem !;ance math th s ule wou;d have re-propoeci amend =ent r. thin 60 days quir-d removing certAn safety-related after publication la tt.e Pnaan Rria:S-systems frotn service for tne dur/:on cf Taa. Upon cons.deration of the comment.s the test and wcdd hmit the p.rformance received, and other factors involved, the cf the overall integrated contMn~ent Commtuden haa adepted the propcsed lesk. age test.s to those times when them amendment, Mth certain modifications would be no fuel in the rnctor, 'I91s in the form set forth balow, procedure is corsidered to be unnnes.

P'ea'* e t dafferences frun the sar:ly conservative.

acP"Ame*1% putil&hed for comment are:

The tec:usion of a:1 safety-r-lated sys-(1) W'*e**'m of prt.scedures goverH*

'Jm.s in the overall integrated conta:n-2ng conther:t inspectlen and Ien de-mcnt leslage test can be acecmpli.shed lectics surveys. N :s prerequatte to cen-wh!!e the reactor is fueled, and in a sta*e ducting 'orw le21 age tests, and c!ari:1-cf potent!st cMttes!!ty, by mamta: inc cat.ica c

'.no buis for reporting p*etest the tninimum number of safety-re!sted leaksge ralnes to the Com=:ssicn. (2) systems in an oxrab:e rtate unul ad estah ** ent of CMteria for deferMr4 systems are tested Ancther opt:On is to certa!n safety-related systems from reg-per*odically test the containment 1.rola-ularly scheduled Type A centainment tion valves in these safety-rajated sys-1eern.re tests, (3) incorporat:en by refer-tems in accordance with t.he rule set ence cf the recently-tssued AmeMean fcrth below. This would a'.so wure that National 8tandard for leakage rate test-the requisite level of plant safety v.11 be tcg of conte'~ent structures for nuclear provtded dur*.ng the contain=ent Iesk-reactors into the rera!ation. W inclu-age test pmgram v.thout ecmprcmism sion of n.itrogtn gas as a suitable ecstang the reqwrements fer meluding s!) rys-medium for tanting tne leaktighu:ess of tems which pene'.rste the containment valten, and (5) inclusion of water-;eak-boundary in the leakage test.

age test and acceptance enteria !cr con-Tc.e proposed rule retu:. red the use cf tainment isolatics valves which are test methods derenbed m prcror ed sealed again.st containment atmosphere Amer'can Nue: ear Soc:et7 Standard.CS outleakage during a dergn basis acc* dent 7 60 by referenem:r a pert;on cf the p *o-condition by res"i of a seal-water sys-posed standard. On Wrch 16. !9~0. -he tem. In additica, ed%crial and format American National Standards !nn. cute changes were made, approved ANS 7MO and of'ic s!!y is.<':ed With regard to itern (1) above the it for use as ANSI N45 4-1972. Amenean rule set forth below requ!res the licensee National Standard. "teasase Rate Test-to identify specifically those componenta ing of Conta.inment Structures fcr Nu-whose initial pocr leak-t.thtness per-clear Reactors." The sr.andard has been formance precluded ccmp;et!cn of a reviewed for compat:bu.ty v.tn tne p.o-Type A contaar-aent letrue test and to pored rule and it au coccluded that m-reMrt this information to the Cnmmim-corporacon of the requ;rement.s of ANSI PEDERAt MC457tt. Vol. 34, NO. 30.--wtDNt10AY, FtstUARY 14, 1973

-?

910260

. -. - s 43M RULES AND REGULATIONS N45 4-19*1 by referer.c0 Would enhance rnlaltnum reg' lire"ner.*J IOr peried!C Vert.

B. "'Cornainrr.ent :solat;co va;te* treans tr.a qual;ty of c::ctalnment lead teatir.g. I'Caticn by tests af 10e 'can-Gint Mteg. ay van m a m :s n M *a % ;nicrm a

'CM*!*$8[7 $ *

',* '[

. * " C ""C 3 f * * "

Acccrd.:r. gly. the rie set fc.rth te;cw new rity of the primary reactcr centa:nment specZes that the ?ne A cant.un:nent and assccanted sis: ems fcr wee -c::6ed

.n..

leakage testa suf! te centcted in ac-pcwer reacters. and.ne acceptance crl-Trpe B ans rype c wa seect.ted in n F.

cercance sith the prov a:crJ of A58I teria for such tests.

u a ans u H. re rectae:r.

N45 4-1972.

Pursuant to the Atern:0 Energy Act of D ":.sas an ra:4 fer test purpmes ;a Zat The proposed ru;e limited the :cakwe 1954. u arnendet and sectZns 152 and l'*""

• n k ^ o(C ul8 l' * "O

/

'I^'

C * #d testing med;um for reactor cot'.alnment 553 cf title 5 of tne Uni'.ed States Code. * ; "" * *

• of " 13 ' d ^ ' " " "

• f'* ** N *'" ! "#"** '

isoiation othes to aJr. a n:ch ts SM*;y the fol:owing amend r.ent to Ttle 10

• # *' *^ '

1. • W # 8 '

F r"* * "** * * ' * * * *

• C*

used in the containment ;eadage testing Chap'er I Code of Fgeral Regu;aticns, a:m. mphere t:r:r g a.e-nour tem: pe. >d.

prwism. llawever, the u;.e of titrczen gts for valve lenage t%..:.a is al.so tecn-Part 50.13 publie.ed a.s a docu:nent sub-

'..C"'51.n t*in:ed eaaan ra:. meus nicaHy satisfactcry. Accctriltny. the rule

,ec,. to cod.. cation to be effect;ve on that :eazage rate wr..cn ca:4.r.a trem a aun..

m,tga 3,,,,,,;, tg7w, g,a p,,t, g g;,3 ;,,g set forth below spec.".es that e.tr.er air hf arch !6.1373.

pa'hs ine.udin g con:auuu n.

w e. as, age or nitrcgen may be u. sed as the test:ng

1. A new paragraph (o) is added to vs.m. stung. and ampunen:.s a nac.s pera-med2um in the conduct of the valve es4 I 50 54 to r.ad as fo: lows:

***C * ^ ^ " * -

age testa.

P " Type A Tea 4~ maar.a.esta :ntended to

'nie rule set forth below enands upcn 6MU O"b'" *I h""***-

S8" th* P' **'7 P*'

• n t ovnauintema:M amena ra:e # 13C' S t"r;te a

v-the requirement ear.tained in the pro-containment ham seen comp;e:.ed and ;a re47 posed rule for tetting Valve 3. seCed Tith (o) Primary reactor Containments fCr for operstlan, and g2) at per.cCC tm. a. s water ! rom a scal-water system, by in-water cooled power reactors shall be sub-thereaf ter.

cluding minimum T.ater test pressure ject to the require:nenta set forth in G. "Ty;e B Tests ' means tests intended :,

and test acceptance cr:ter*.&-

/ 3pendiz J.

detect local teaks arid to n.euure :cau.c,

' Die proposed rde rected that the across en n preuure.conta:n:c4 cr :enaa. -

valves be sub?cted to a seal-wa*.er sys.

t A new A;pendiz J ts added to read um;tig bouncary for tne fo.aw;ng pr; mary sa foHows:

reactor conta:nmnt pencram tem operatti.ty test to establa that Anam J

1. contammat murationa snme dem the valves could be sathfactor.ly pres.

e inccrpcrates resJtent seu. faaae*J or sesant surl2ed %113 seal-water. Eere was no ratMan f anACTCS CoNTAINWTNT La&K AGE TTR.

g g

requlttment to meMure the rate at 'shicit 20 roa ** tea *cocLao Powra asacicas pension be. on, and e;ecir: a; penet a;.cna water lented pa.sh the VCve. It had been I. In roductica.

Atted wim " cob:e meta; ma: amemcues.

assumed that the seal-water traentory II. trp;anat:ca of terma,

2. Alt ock d vr aea.m. includ;ng door ope-at.

would be adequate to seal the vahes

• u. teatats test requirementa.

ing awenantsm penetrat:cca wnten an part against outlestage of containment A. '!7pe A test.

of the containment pressure bounaary.

atmosphere during the deMin bas:a acci.

3. "lTpe B test.

3. Doors with rm:11ent ses.4 or gaazeta er.

c. d c ust.

eept fu ecal-wided doom dent,, condition. & wever. Ce lace of a D Per:odie retest schaiu:e.

4. components otber scan tame us.ed :n spee! c watet inventcry cr:terten against IV. P;estal tast requirementa.

II.O.1. II.G.2. or II.G 3 s t ah mu.st cheet the wflich artual valve leadase rates would A. C;ntainment =acar.at:oca acceptance cmerta in IU31 be rnessured. could resit in an 1.nade-

n. Mu:::p; ;earm.ratrier containments.

H. **r7pe C Testa" means.esta intended M quMa !Wy cf

• m ! r * * " for ice V. Ir re-tion e td re cr.: e of *.ests.

measure cor.tamment )eo!st;on va.ve.eaaaie sealtng with attendant ha of the ccu.

A. Containment gna; ;t:en, rates. ne contatr.ttent aoiat;on valves in.

tainment 13clation function. Accc rd.

B. Report of test rea.alta.

citaded are thme that:

ingly, a provision has been incorporated

1. Pmelde a direct connection between the T.

IL'* * *d

"'#d ' **P D ""

1. E"*

into the rule set fcrth below which re-Quires that the va!ve leagage rate shall One of ce ecnditions of an opersting mary reactor containment under nor:ra; cp-not exceed the seal. water inven'.ory* on see M nter.cW pour nac.es sa mm se u A W m at h v;eeded in i 50 54 a c t ta t:st pr:ma.y n.

vacuum re.tet. and Instrument va;ses:

the usumption that the seal. water sys" actor containments anau meet the contain.

1 Are required to c:me natomat:cauf um te:n will be prevutzed fer 33 days at ment :carage t,st regntemenu set fusa receipt of a contatnment :mo*stion attnac to 110 percent of the calculated pea 2 con-ta this a;;pnd.:.r. neae test req 2tremen., r.epocae to controta intended to e:ect con.

tainment internal prewre related to trovtdo fc.r prec9ersticna: and peric 1:e vert.

ta:= ment :.so;a uen; the design LMis acddent. With the in.

aest en by tas.a of the ;eaa.t:4ht integrity

3. Are required to operate intermittently clualon of this requirement, the require, cf Ce ;nzary reacta ocnwn=ent, and syg.

undu pcstaccent condmom and ments for conducting only a seal. water ema and ccmponen*a walcn pennrste con.

( Ars in mato steam and indwster p!p;ng

.a c ent d vs:ar.m.e4 poi n nectors, and ocn a.teme vn:cs pecurate conta:n.

system operabi;1ty test were e,';minated.

and estatu.as the acceptance criteria for ment cf street.cyc;e botung water power Centainment is provided.ar water.

a.xb tae a. ne pu p ee of me tea a are.o renews cooled power reactors to prevent un-aasure that a) :casm through tne pri.

I. Ps (p a i r ) mear.a the ca:cu:sted pear controlled re:es.se' cf radios.ctive ma. teary reactor contamt and systema and contaanment inter:aJ pressure re:sted to 2e terial.s to the environment if tne compcnenta pe netra t.ng prt.:n ary centaan. des:gn baa.a ace: dent and epec:aed e:t.her in barriers prended by the fuel cladding mant stan nos esceed a.;owseie :esaw rate the technical spectccation or nasociated bases i

A" ** '7 'CO'd 12 C'

• CI IC^l ' Wi

• J. Pt (p a i gJ mmr.a th e conta nment i

and reactcr cocIAnt pressure boundary

'.*# * "* ** " "'* *

• Id D **** *: d ( b ) p" should be breached. Testing the reactor ""

dic mael reduced test premure seiected to casa.

i

{

tainment for leakage helps tn masure [of,,'*.$d teo5a ed $d[ h '[*[.$ #'

'* 4 "

E**

a vs rea rf so that proper maintenance and repatre ars K. La ipercent,34 hours3.935185e-4 days <br />0.00944 hours <br />5.621693e-5 weeks <br />1.2937e-5 months <br />) menna the wa rt.

(a) I.#akage of the primary reactor tnada during the service ufe of the contain*

mum tloenole lesange rate at presau.ro Pa i

containment and &ssociated systems 13 mast, and systema and cocponenta pene*

as spenned fo,r preoperat:enal_,,,,a in " e tes t held eth!n allowab;e esk.we rate :i=1ta trat:.ec pr mary centainment. n e.e t, s t g

,,c 3,3 c,2,,,,, g;,, y sa specded in the technical specificataons requ;tementa may a.ao de tsad fer cume and as spec:ced rer per: odic testa in the op.'

• • "~~*

• 1*81"4

' 7 7 'W "* 5*

C C'*1L

• LS or associated bases cf the 11 cense; ersting acea.ac.

.matage *.est requirementa in techn! cal spect.

tb> Periodic sur"et11ance is perfor ned 2:stiona or masociated bases for other typea L " * " * * ' " * * " * * *

• to assure proper ma*=tenance and lesk of nue. ear pont reactor, swn learac rate at pressure. Pa. as spec: ed repair during the life of the contain.

In the technical specutcations or sasociated ment; and E E*"^"* " *" "8 b a5es-(c) "Ite containment wtil centinue to A. " Primary reactor con'atnment" means M Lt iP*rcent 14 hour1.62037e-4 days <br />0.00389 hours <br />2.314815e-5 weeks <br />5.327e-6 months <br />si means the tnast.

perform its function throughcut the life me atmetun oc wael cat enc:mes ce ecm.

mum auowaNe anno rste at pnaauro P.

of the p! ant.

sonesta f the reactor co : ant p reneure derived from the preoperstional tees data boundary, as de$ned in l S017). ar4 serves && 'peC1f ed la II.I A4 t al 8111).

The amendment wh!eh follon pro-as an ennenttauy Naz.t:ght wrner aga.r.at ce N. Lam. Ltm < percent. 4 h -:rsi mese.s vides uni *orm requirements for contain-un on+.rted reiname of raccact:rsty to the the total meneured c.ata:nment : casa 4. rates ment leakage testing. It specifies the environment.

at pressure Pa and Pt. respetittely, otita;ned NDHAt af043rtf. YCL. 36 NO. 30--WEME50AY, f!SAUAAY 14, 1973

RULES AND REGULATIONS LM from testing the contain r.ent alth cr mpo.

tetna thau be drained cf water er et*.er m cs it)

Accepf a ve catfect4 H 16 R 4. r

• 4 a

nonta and systema in the state as c;une as M tr.e es ent necemetry to ama are espueore of press re terts The taskare rate L*rrr s a.1 **

practical M th at s h.cn mou;J es:st under the sys em cet.tainment tac.atan vs.v.s to ;ess 'han o is Lt if wat 'eena4e tr.eawre.

design bas;.s acc' dent cor.d:t:or s l e g. vented, containment air test pre sure and to masure rnants are takert to e*ect repairs in Grier to dretned..*umf ed cr procrued t.

th ef vt4 be subMcted to the pret.accicer.t meet tne acce"tarke criter:a tue.e rnes* m O. " Acceptance er:ter:a" rr. cans the stand, d tf enr.t tal preeeure. M ve'sm s th a t are re. men'a sna;! be taten at a test prews.re rt tid ag alriat whlen teet teamts are to be Quir*3 to maintaJn the plant in a safe an.

3) Pesa pr=uure testa sha.1 be ao n e..%1 compared fer estabushtrg the functiero u.

dition dufteg ste test ar.01 be :peraL:e in 14rn er a.1 be.ess than 0 75 La If,ca a..e a -

eeptability of the containment as a sessage tLets norma 4 mmte, and need not De vented. age 'neas,arements are taaen to ef e t tv;e '

timating boundary.

Systems that are norma y ni ed with water-la order to sneet tne u'e;taare ert t e r.a III LEaKAca Trav1wo Rar.utaruente and operanng under put.acc: der.t et nd!.

LAsse tr.easurementa snan oe taaen at a teu ttona. auth as the contair.sner.t neat remaal pressure Pa A program cor:steting of a sch.dule for cen. erstem coed not tas vented. Lwever. the 9 AgJitsu ul Req uire mie n ts. eae if a.-

ducting Ty;.e A. IL ar.d C tert s shall to de.

contA.nment 1solat;on vs.tes in the systetr.a period:c Type A tett f al:s to meet the app.

eetoped for ;ema teettr.g the p'imsty reactor d eS *.ed in Il! A l a d ) sr.ad be tested in sc.

cas.e acceptance crt;erta in IH A S lb). er cor.tainment and retaie=2 e)ste r.a and campo. cordance udth I.H C. The measured ;esta e test scnedu;e appucable to suberquent Tyv a

nanta per.etra ung pr: mary containment pres.

rate it;m theme tanta ana.1 be reported to tr.e A tants wta De reviewed and approved by tLe sure boundary.

Comm;asion.

Commjaalon.

Upon completion of construction of the

2. Con.het W tests hpenuonal leakap iO U two ccnsecut1M pehe W A primary reactor containment, includtr.e in, rate testa at either rNuced or at post pree. tests fail to rout the app.kas.e acceptar.ce stallation of all portiona ct mes2anicaL auta. Sure, shC1 be und ucted at ste intervus criteria In UI A 4t b). potmtLat.ndant the electrical. and tr.strumentation systema pene.

epecM in M perec mtest scedue of M. a W A

2. Test.nMs. ta) All Type A usta shad tnt Rad be pecormed at encn p. ant sam.

trattog t t' e primary reactor containment pressure bour:dary. arut prter to any reactor W ceduM in ammance =4 the W1 dm N nfue x amamated em e

smns f tne American att naJ 18 rnontas. a bkheur wem am m t a >

operating pertons. preoperational ar.d period:c lestage rate te s ta. am appitcabie, anaal be 3 W 2. h p Rate m ucg M Ccn. conmuu W A testa mnt ce accep*.ar.ce conducted in accordscre with the following*

tainer t atmctwas for WcW Reacton. crtMHa m M1 A &@ t, anar w m h a u A. Type A test-1. Pref ert requirements', March le 1972 6 n.e tr.ethod c.homen for the retest schedule spect2ed in IIID. zr.ay te (a) Contatament inspection in accordance trJtlat test er.a.1 normal;y be used for the rewrned.

pertu21e tes:.a.

D Type 8 rests.

with VA. shaJ1 be perf;rmed as a prerequ.a:te (b) The accurac? of any T7pe A test shM1

1. Test me"Lodt Acceptable m4ans of per.

Phe 7.,nt m,-tan and one pecormance of F"O'"'n*fe TE ^J*stle"=

w ~ ~4" "e="m~=emam - eP*

e

'a = "4 P' P a = " "a Pe"

• T m

" '" " = c 2 "" -

=

a >= ^ ne au c e' tainm

=t

-:= -

- - = ~ ' *-

the rype A me no,en:,. c, sm.unent. metnod ae.seted sasa be conducted for sk?..'

m m== *a " 'ad t- +=a s, hall be made so that t!.e containment can methc=2 (ur by other equiva:ent taat metn As

==$

a= co= a e~a>===~ r m-s = a - ---" o'

• a < " = -

e i..ted m - co,e to th. ~ is condumn se practicat Durtng the pertod betw=en tre "**"

• I**^^4* ' m* D'8**"

• E' T7P* ^ ma u "'S W 2*"'d

• 1* D ' " A*W 3' tec nnic al D"

P

'P'*"*

and e We m..a1 hn um a

swtard in the completton of one Type A test and tf e initis.

tion of the containzr.ent inspaction for the suppimutal te t are acceptasie provided spec:fcat;ona cr associated tsaas ar.d ccn.

the ddencco betnen 2e wpp; mental test structed na part of individual contag.mer.t subesquent Type A test. reptit of adjust.

fnents shall tse tr.ade to COr".pOnent.s whone leakade esceeds that s;ec!!ed in the tehnical La (or MS Lt). I resulta am o within 023 (b) Mansarement of the rate of pressure L (

M 5 bIIe ID' M #

8D EI D' d'S#

opeflScat!On as acon as prtC!ic41 af ter tden.

tons of the 1446 clamber of the car.tal.ntner..

"1"#' *

"" t#

"I' # "

a.".g.e "e 4.

t" " 'U 'n."e"d.

cr preumauo Suld spec:$ed in Lt.e tecnn: cal t!Matten if <te 4 T~ *

• ..t

• te--

P*netrat:on preneurtzed with air, r.itrcse a the supplementak test speca'. d in INIA 35bi, ce 4.

i potenti.ny esmai,. :eaman paths u. iden.

(c) Teat :e**a<e raiee amma be c=2cu:sted erectacationa or aaeoc:ated ba e.

tised uh!ch wi:1 interr.re tth sattsfactory u* ^8 Nu'* values con cwd for instm.

(e) t,arage sureeta:ance by means of a completion of the test. nr which result to the M* C '

• f-perrnanently insta Jed erstern with provimons Type A test not meeting the acceptar ce erl.

4. Freepc'erbnaJ leakage rate tests. (a) for contin.ous or Lcterm;ttent prnsur:zauen taria III.A 4 (b) c.t !!I A S (bl. the Typ e A test Test pretrureH I) Redt. red pressbre tests, of Individual or groups of containment pene.

shall be ternitr sted and the lessage through (1) An init;&1 test shad be perfcrmed at a tra t acrb. and tnesaurernent of rate c,f pres.

sueb pathe sha;l be mes.sured using local prmsure Pt. not less than 0 50 Pm to mesaure sure ice.a of us, r.itrosen. or pt.eumst:e nu.J Ionkage testir g rnethod s Repa:ri and/cr a le ande rate Lun, spect"e1 in the tech n2 cal spec 13 cation or adluatmects to equ:pnsent sha:1 be made and (11) A second test shan be perforuut at sanoctated beaea througn the last patha.

a 77pe A teet perforrned. ~t:e corrective me.

pressure Ps to measure a Isaaste rate McL

2. Test Pre ssase. A11 preoperst;onal and tion taken and the change in :emange rete (La) no Iemaane character:auca yte:ded persodne Type a tests shaa t,e performed my determined from the testa ar.d overna inta. by measurementa LLm and Lam sna;1 estab. Wat pneumatic prneurization of the con.

grated lest age determined frem the :ocal lest llan the maaimuln ai!am able te st ;eakage taintnent penetrationa. ettber individwa.;y cr and Type A testa stall be included in the rate Lt ^f not more than La ILtm/ Lam). In in groupe, at a pressure not less than Ps.

report submitted to the Comm1aston sa spo. the event Ltchhm la greater than 0.7. Lt

3. Acceptance enterw. Cee ano Ty;e C tif!@d in Y B.

shan be spectSed sa equal to La iPt/Pa)L 8 testa. ) (a) ne combined leakade rate cf a.;

(b) Closure of containment tac:arlon enjees (2) PraJs peerure tests. A test sha21 be pet.

penetrat oc.a and va ves subjon to Type a for the Type A test sha;I be accompitsted by formed at pressure Pm to measure tite Lestage and C testa saan ba :ess than 0 60 La. usa norr.a! operetton and without any prCimt. reta Lam, the e xcepuos of the valves spect".e4 in nary eserciatng or ad justments tog. no th) Acceptance erttefteW I) Jted uced III C 3.

a tightening of valve af ter c!3sure by va2To pressure tests. The iemange rate Lt.m ahan be (b) leaka(e measurernenta obtained motor). SteTetra of ma;cperating er leaticg lema than 0 75 Lt.

through compocent leakage survel;'ance sys.

valves shan be made sa necessarv. !*itorma-(2) PeaJs pressisre tests. ne lesaste rate tents se g continuous presaartration of m.

Lion on any vsJve closure ca. function or Lam shan se lesa than 0.75 La and not greater divid u al containment conspone sta > th a t valve leatade that requttee correct 1Fe aCtton thag L4, before the test shC1 be LncWded in the r**

maintalna a pressure not less taan Pa at in.

8. Pretodte leslage rete testsH s) Test pres. d*viduaJ test chambers of containment pece.

i port submitted to the Commianton se spec 1*

esre. (1) Reduced pressure testa shan be trations dur ng nor tcal reacter operstm.

t Sed in V B.

conducted at Pt. '

are acceptawe in lieu of Type D testa.

f el The contaJrtment test condtt1cca shall (26 Peak pressure testa shall b conducted C. Test C tests.

stablitre for a perted of about 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> prior at Pa.

to the start of a leakaga rate tatt.

3. Test statred. Type C tes*a shad be per.

i (d) Those portions of the fNtd sistems forrned by local pressortzstlon. He pressure sna;l be appi.ed in the name directio n as that are part of the reactor cortant pressure e ANSI N4S 4-1972 tsskage Rate Testing of th a t when the value wou;d be raqmred to boundary and are open directly to the con

• Containnwns Structurae for NucJest Reactors pttform its safety function. un;esa 15 can tainment atmosp here under pos t.a,cc2 de nt (dated Mar 16. 19'2). Copies rnay be on.

be cetermined t. hat the results frern 'J.e testa conditions and become an extension of the talced f*orn the American Naclear Society, for a preasure appl.ed in a dt*erent d;tec*:en boundary of the containtnent sna.1 be ger.e4 244 T.ast Ogden Avenue. Itir.adCe. IL 60321, wL 1 provide equivalent or more conservative or tented to the containmerrt atmosphere A copy is a:E1:able for Ir.spection at the results. The te*t methods in !!!E l may be prior to and durteg the te s t. Porttons of Commtmalen's Public Doctrnent floom.1717 subst;tuted ehere appropriate. Eacn vaive to alcaed systema lna:de contaJnment that pone = H Btr*et NW. Washtnrvn. DC. ';5e incer. be tested snaal be closed by normal opers.

trate containmant a.nd r spture se a result of possupa by refersace was approved by the tion ar.d =Lthout any prel:rn: nary escre.smg a lcas of coolant sce!dernt sha21 be vented to Dtmetor of the Federa4 Register en Octo. or adjustments d e g. no tightentrg of vaae the coastaantnent atmosphere All vented sys. ber 30,1972.

after closure by valve rcotor).

MDEAAL ffGitTER, vot 3s, 8eO. 30- WEONE50AY, FE88UAf f la,1973

-../

GS RULES AND REGULATIONS

2. Tnt presnes. (a) Valtae. un;ess pres. age rate rrJete the require tenta of tms ap.

eurtaad wits fiuta do g. sater, tutroen) pendiz. Otcar str.;:tarwo of ma,t pio carrist frtm a esa4 sye'etn. ac an be preanttsaa w;ta w su:;atz.w-. sera cor.t.e.menta i o g. ser.

air or 12trogen at a pr*wsure of Pa.

ondare oor.taa

.or.:4 fcr '.,o01:4 water :mac.

(4) Vsieee, uttch are seamt wi:.3 Su13 tore a r.d amia4 bunc.cp fae p ran a cr*.se4 ficin a anal erotaan esaal be presa arsed w:ta razar reactr,rs that enel:ee tr.e e ntire pr:.: mary that Su:4 to a pressure not nees tr.an 1 ;3 Pa.

remotor car.ta;a:ra s t or p(ruora tsarwh 3 Acerptance ce1t re1ms. ?lo cometned anM2 le si.D'e:s to is.:.tv.dua4 tas*J in eM.

ethsee rate fx aJi penetratama and valves ase wita the proced.

res s,ecif.ed in t?e s'ab)ert to Type 5 ar.4 C testa s:;a.1 be less tochalcal specif4at.3na, or mWated bases.

shan 0 40 1.a Lemaae tmm ccetettrr.ent A. CaCatama st inspection. A genersJ in.

ta'..stion es4res tnat are ees.;e4 w;th S aad from a eena svetem tasy be esclu.ted when V. InerscT!ow arre RrroeTTNG Cr TeS*$

determintes tire cometned lemaage rate : apecttc,n of the acceaa;tia Inter;cr asd este-rior surf aces cf the enntain:nent structarsa pros Wed. That:

(a) Such vattee have been demonstrated and caraponenta sna.1 de performed priJr to any Type A test to uscover any ett2ence of to have nutd 'estage rates that d) not es.

de rarauon th:cra may afect struct ural J

cred those spect*.ed in tr.o teetnical spect. either the conta;nrnest s'ructursi tatecity Scations or asociated baeet. and (b) The inst aa nd IS A mtten va!?e ses!. ct ;eet.t:0:tsers. !! there is evide ;ce of water erstem f'ut's inventory ts sufteiem to.

structural deterersuon. *ype A tara sha;1 not ce perfarmed uttal cor-active action 1J assure the ses;teg futzetton for at least 33 tazen in accvx1ance -nts repa;r pr'aw1 Lies.

days at a preCro of 1.10 Ps.

nondm rvetsve esminawa. acd tasta na a

D. Pretodio rete st sc6edufe-l. T;Te A spa *M in t*.e agueme code speeded in fe rt. (a) Af ter tt.e pre;erstic.Lal lessage I U II* 88 Ih'

#*S'"C* M' GI

• I

E'#

tote tests, a get c! three Type A teg*a sta.1 be 8PC'it, 8hch e*ructura; deterioration and c=3r=

perf ormed, at approximately equal f aterva.s &ctte actiota tasen eid be npor*.e4 as durtrg each 10.yesr service per%d. *?.e th T1 part of the tegt report. suomatted tu acconi.

test of each set tha.1 be cor. ducted when the ance sith VA plant ta shutdown for the to. year p.act irt.

3. jteport of r, pet eggulf t 1. The preopera.

e serr1Ce in8petilota (b) Permissible periods f*.r teettet. The tiocal and period:c testa sna.1 be the sweet of a s ammary *.echn: cal raport outmitted to performance of Type A testa sha.1 be !!mited to periods when the plant f ac:;1ty la non. the Ccam:.asion a p pro s;r= a:e;y 3 months operettof'al and 99eu r*d in the Shut $Cra n aft #' Ine CoCduct Of eacn

!++t-The f'70f%

corldttlen under the ad'ntD 3tist17, CC C trol sh.

be 1;t:ed "fteW*.or Contalnment Budd=

art 1 LM accoriarve with 121e safrTy procedt;tes Ing fL*Jg*sted IJak Rate Teet.*

7. The r* port on tre preoperettotal test deCned in the 11eerwe.

p. Type 8 fetta. T7pe B tee *a ettept testa shal! Lehde a echartstic arrantenlent Of the for air IOchA. tha ! De perf Wuied dur1Lg each le&Lage rate mammutt:Cer.t Sy1 tem. the in*

reactM Shutdown for refuealti, of C*her CC'J*

air'.t."T 8 Italson nWd. the euppiertental test venient interst;n. bot !n no caaa at (n'arta;s t2:0.4. ar.d t* e test prxf am sa ected as sp.

Ffeater it'an 2 years Air 1x ts si'all be tes'ed pi:cto;e to tha pre *4erational test, and a.1 sk d f e, r.;.*.

l.. ! T A.s.

y'".rere*

s '.' !! N s@ 9e ** ':e n t p **t's!^ O 'J 1ta. The r? port sha!!

whteh a o ope e1 durict toch inta-vals. sha:t contain an at.a:ys;a ar.4 ;nterpretation of the be tested after each opening. Por primary lashge rate *ev, data for the Type A test a

reactor ountattTnant penetrat3ons employ:ng res%ts tC the erte t r.#0ea5&ry to demone s' rate the acceptandity of the conta:riment's a cemittaaeue Lestato mooJ toring ey7 tem.

e sasam rate in meet;r g the acceptance Type B tests. ear 'st for testa of a

r tocas.

may, rwtetthstatstag the tan schadule a;we. cr!!e La.

13eq andet !!! D 1., Se pe**oe-:ws erary ot.her

3. Por eacts pericvMc test. leakan test re-reacter stuatdown f r terue.tcr but !n r.o case tutte frc n Type A. B. and C test.s tha:1 be re-at interva;e grea'er than 3 years.

ported. The report sha 3 mutain an scalysts

3. Tne C rests TvM C te='s shall be per.

and interpre*at:on of the Type A test r**uita formed duttnr each res-ter snutdoma for re-and a surnmary acafys;s of periodie Type D fueling but in no case st latervais greeter and Type C testa that were performed a:nce than 2 years e,,

1,,, ryg 3 g,,,,

t,,3,,, t,g y,u17, freut type A. B. a.c.d C testa that fat'ed to IV. Br=rva. Tastene ar.aamanssirve A. Cemtstnmeant matit)t-stfo*t. Any major I"

parted in a separate acm=1panyu suroma*y

%34:Scation. re;9 ace?.ent of a component wttd1 ta part of the primary reaccr erns. repQet that LLclud'8 an ana:Ts;a and later.

tainment boundary, or re w a;in g a se a;.

prota &cn of the test data, the tesst squa.res svided duor, par'Orme.1 af ter the proepers. at ana;ys'.a of une test data, the instrumenta.

tional lesEage rata test staal be foi owed by ttrm er ct analyits, and the structural cond;-

either a Type A. Ty;e B. or Type C test, as apptteable for the area a:Tec*.e4 by the modi. ucts of the conta;nment or ecc1ponente. If Acation. The m* pared lesuge frtwn this test any, which ecutt'tr's t ed to the fauure in shall be inclu3ed in the report *.o the Or:s* Inseting tte neceptance critetta. Resulta and misston. requtrad by 7. A. De ac:cptacce cit

• acalyses of the supp:ernental verti$ cation terta of III A S t b >. m B 3. of C C 3. ma

• nt emp;cyed to demon.rtrete the validity of the !cas age rate test gnesaurettents shall a;mo appropriate. thall be met. h!!nor modtaca-tlans, replacernanta, hr resea!.t n g of ses!* be tccluded.

Midad doors, perforu.ed directly pric.c to the a.103, h Mi m. W. M Mat m. m.

conduct of a scheduled Type A tert do not 948. 954. as amecded: 42 US C. 2133, 2134 require a separate test.

ggg y B. Arufftple !#<skere sorrter or subesmos.

Dated at Oermsc: town. Md this 5th p4ecie coast. W... P2e primary reactor contatcment bat rter of a muittpte bsnter or day of PM:lary 1973.

subatmospheric contat. ament ahan be sub.

For the Atornic Energy Co'**

Jected to Type A taata to Terify that its lash.

Pan C. Durora.

.Secretdry of the Comrrasssan.

• Suh tasareta tnspectiets are required

[FR Doo.yS-FfS6 Filed 3-1343;s:48 azn]

by i 5048a.

FEDERAL RMt!T12. VOL., 38. NO. 30-W10Nf 50 AY, fE8tuMY 34,1973

.