ML13038A436

Safety Guide 19, Revision 1, Nondestructive Examination of Primary Containment Liner Welds

ML13038A436
Person / Time
Issue date:	08/11/1972
From:	Office of Nuclear Regulatory Research
To:
References
RG-1.019 SG-19, Rev. 1
Download: ML13038A436 (1)

Text

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-,,.NONDESTRUCTIVE EXAMINATION OF PRIMARY CONTAINMENT LINER ýWELDSý A. ntroduction be. no.'destr~uctfvelý:

examined 6s'in~g ti following procedures:

FGnrl esign Criterione. 1'~uIiy Stan~nl ~n F~~ors;7~f pprdixA t 101.

ofidestrue Exaiminatiori-of' Lin CFR-

` %0` ý"

n.eCznra; sgnCtraorSearii

'Welds E1 antfs requrs ht F

4Fnpo.tant.

to sat ervý, be bricated to o.,

T r.

.eachI.

welder ndi.. we"I'd-if qk k~ty h

rdris CýGmn MUM e wit th posmtioin (flat, ýverticl FhorizontF']

iipin~

sft unction-to -be

._-and F'overheeF-sfk

.in The l k iiti ntegrity. of.

F

.,thea d,

6 rh;.

• he*irs and onle Fspot (nt essýtý,z F r:.

e an d its, p...e. ra..

i s F!

.-6' 2FF

t. h )

in e"F F

-an

~-aft co, spdfatfion in satety evaluations aditia

-5 foo t i'wrement,ý This,

ge dccTbsacceptabie procedurdsl foi.wl (weld te~st unit) For-fractic F

WFF Puklmehfingo this,.

riterýionh by the~ use of' threro f should beexaini1111 F

l nondestruclive uiethodS-to~examiure thew~elds. in.,

radographically in

ý~codu thie ljiner and peertin of primiy'r>'eactr With tile,techiniquies pfekribed, cont.3inients of 6o,~t~rP~ih S eel)nV Nonl';futi S.

t e b d i Fl.aination,' oj,the ANk%0 B cur~son and ressrc Vessel' C6&d AM Tere; 'arei

.a directl applicabl idstr minim'num o percentba 4 F

• er i the no d*stucive examination.~is*

se..welsoul 'be:xa in.

Frr fwe ht hnný

.i e_',,

ntjn' (i.'x ssil~db~xaiind.

F:"..

FFF -F

.! :s s!.a :

.F*fla i't

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o e

,,ola i

• -n sl,,e*.,-e

• ..........;10 M

.L,

".d;:,.W in cnc~ee

'cntatti n..s~t~ry iorp i

.x miaio tke-sg~i i *.f

• i 's t*.:c

.ei i.ii FFPnaetci~~eeal 6aetprieapiainFIn!sanm wed s is -no0ý easibleF'c F..

, pr~ovisions Fof Sections l

'n Vill ofF the wfe

'te tiweld is locAted in,are'

• "A*":Ba*l

• i*'* ! i and resuc,ýý*.i:Ciýý i*

f e,

.a "n.d*i oe!

Cod which.willn ot'be acc i

"a&

Foa:-

"c

-I-.N l Power Piping for construction the h.iti.

length comprable, we

.ld.

Bec ise of the lack of

, weld shouldý be, e...

.ied.Fby'F

sp Ay, -apoi-a1beae standfards,- these practices.

i..agnetk. partic. method or,+y th hav di:erd ni ic

.ntly..*,nl

.ues

r.

u.onic

':et n

acco.da

h. I Aferrewmvig. aF number ofapplications

.with, Qie techninmques pre'sd

.ib~

for coCtCtin Ieonit an opato liene

~5~6 F\\

fFtile ASKFE',FFB&Pý A.

.*'FF S 4nclecar,power rea&tr h AECrguaoyoaeFi FF'F4F F

fb'...,

K p~dixf6-te iodgriTiegexmiation

.Fr jjfyr ci

welds, i

F liud.

pw de a.-ifor.

ilit

...:l co~s t..

.acrdnce wih te oh.w Fl r

, equival q

s.

niiiy jF L' m q li-d "I..

-d

-s oa t Ies di ihySe-elx'I inasoftstasopsouio oroh conenioay eitnfores.

or. pr;tree

'A.

li6:

F olto)

F~jcOncetereatorconainentstrictii-s ~ou, e

appled t thgti wel~s 4:FF....

F.F.

F.,:-* F. F " F F.-.F...

F.

4

!ii!i F

F F*.*,

F:.

3.*

4

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F'.i'4 Je I- 'F i~stn F"AsF-F F

F.+

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F.FF)

F"

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F* F'FF F

• fi'roFi aF F'dmýýuq aF F' Ft the'.FFl'wi W i..

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o t..a t lo

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y. p.*

• 's"t " *::t*

• **i;o n.*

t

,*:.:m n fie..

...........,c e.i.*-.

....,t..I

,s

welds,

"ý,

the'!

Stec i..-:.s a:

soap sou ion.

r;'.:***,* t*

-h.c

~"

S

'S I:

5, S.

5-flu cvac at teas tIal <

-~u

~ u o e s ~. i t e o h it i o n ' uk s M j f o r

~ the tSt soUld haVe, bubble foji"6nai.

properties 'adequate.

fo~idetifat on f leaks. The, test

.si~uio1 Should' be chec~j eeryhour Avith ~ii.

sd'~'-

~

0 La vto~erif~' the-

d. V 'he e le k-c ase st m c a n n e lsý iire inaldover 4nerwed O~~rdFo leak tighth~'5 p1ressut.rrin myc~jii, o

cojftin deign ressure f

• any, -iawdcatedl Fs of Ifan

• r~t~oc~~withi 2

-oras

• ev den

d. ~ a est gauge, thle

• clinelApinier ed.sdl' soap b6tle i n

w ithl the u

borýe p o e u sL d

dnc J~eetr

~n

Airf0C, a

Ad Acces 0Pel 9g Welds a-All wrefd&n eetai4:

iiok an ac s :*Pernifigý 'that ail -Jnot".

akeiY coniclte* :-sitch~a weds b Ietween eermo.

ai

~e

%ihn~snd~ 5 J iitnsndj ipipeý

rlines, 71;d'e ul x.iijd'in ceace wit[the e

-nielio ofNE-I 2 o~Section liK 0

ASM E B&Pv 1 Code

• P Omlj,'jl t~he tech~iqe Prsrbdinl co V7 Of that penera~o airock"and access 5

oprn~that are, backed: by co ~

suc~h, as5 welds betwieen nent

.-~and rein orcrng ptat&ý N,,

S, F

Code.

A. A l l W e l d s S f b e l w s exallSio0n jo-Int,`Ooiq

ý-p~v,ener~ t~o i~

L~.f~~e ap p turte n a ixflc s 'o ' 0 h : c n a n Yvessel sý:ýhold b'eban~.p~j Or h, qudpnet

wlie,

"ýonxnagnetic

~

ue aucordance with' the techniqi P r e s c i b ed i i c t n V o f A !

B&V Code fo6r s, ch examinajj,

3. -Q'uAMcatio of Welders aJnd Weli&

Th. q aiiatioj1 Of welders, w li operatorls,

and weldiji p ro'e dupres sho ud.'jd

+ ed" wit.

beif';4 a cc dnc

'Q~ aifcaio s' o hei-,ASM E B&P-)

ExamiationPei I.

0'f No.ndestruc'i

'sonniii

~'LUJV 01 me.

o~in o f Sne

.ra da

6.Tiw f miaton adliquid penetrant mnethodýs in

__ ~ ~

~

~

~

~

~

E' 1'2e0fm~o b prome of Section1I'l.

All exam M~ations sholld b ef as soon, asý

itcb~~fethe Iiel8.

Repair and Reexamnirntio'n

-4 icrencnt f we~Y~o'b e~r~ineaiisrr ie.'.

a.Contaimn Lin' f Seamni-els 1

comletd Eamined by, Radiography.

7 Acieptair ftnad 0 a~ Cotainmnt Lner Sam *Wtds:Whei Ia radiographed, spot' failsýto a

m ed Liny Radiog raph*y.

.'eet-

.he

'-se..ified ac-..

txadnid:ý Rpqo y.standards.

-two.

addition~ 'spo&ts shotild be radiographicaIlyý Wb,6ex -a spoi he seam Wld is examined in~ the' same weld test juidged' a epaleii

-a'raýeu i't oa ns'--at-,least, one'f6ot wW he" -

n1 Maref.

'df jnvd on:_each si e frorn, :lie' ret..e...-

'dA...l NE52 ofsecti6fn JII oft4he.

oriinalj spot.' 'The locatio~nsl of-AS*,I Cbde.

-he etfire weld t,'e

• .di*ti6.a.;.

spots, sh udb d

tes u...nIt.represend this spot detrne byt.e

.exan

s.

g jio.grap-

-o..i he.

accep...l.*e i

c ee tf

'ti origni s

tfdr

-exa..i"ti"i an'd t.e ex.ami.Eti*n

b..

Con 'inen I Lin&..eSea Welds res"lt h**s e

i te

'xmnd by Uhrajsrnic orfioin oe~i~cin e-

&- tw6.

.'additi'oalý soots -.

mexamined e

he specifcd 4-:welds em x:.n "nea by acc'dst

.das

.ultrasgac. :or magnetic particle dentire wrepresenter meltho*ds!.*..e.nside*wdaccetl p.esnto*,e rai"rahs I:pi....:s p t.,

b y th e-.th...

• h l

rm n ions*u

-tlie ac~ee-p. anc.& staiida rds 6~w~~;,te

'defe ctfve refeencd fr sch, examfinaion

-e

~

r su A*Jlding disclosed by the ~irst~

~-~

in M~) 2U Setionii ofthe 'thiree radiograips of t-ANE B&VCd.Shouild be-rpired y

i...........:

Soap ~

j~~

Tess of(2) of, eihr ther two ad itibnal

~~~fa~~nn~~ittx die Wdssoseami:fails to-tnt Con opýýhtLiner Ihe spe ffle d

- ccep t Ince Li.

.s.a.d.d.

the.entire weld--test weld4s a re. pprsiderged

~ni-si id ccep ibkeý provied n'eakag i unacceptail.Teetr'ied-7 Meetý~

)a--ub tesB;

-or d~ec~dbysop ubletet~{'

sihould bý -removed andý'_the'

,by dther methods o6f equivalentjon hui-berwldor-

'optio al~y th&_ -entire, Weld,'~-

d~

~

A~o~k~

Access

.rad ogr a hefard debt Op-etni4Welds

.wlig" wedigonlyed-be, repaired.

P..

,enetration.

ajrlock, 'and a ccess (3) Repair' -Weldinig

' should"' be -

I'.

~

peiIg iý(Idsý 'ke 1.considered,-rrndL~il a Cle ii~

7

, ae,~ptb~Tpovie-proede C

a seified' dtrid~r ex~r~los ftet th, ccptnc,,regulatory, Kposition 3. a, ove.-

7

-~,

xmi~aios-fieet the-.in Neptance

,The weld~, re~paired areas, in stauidaids kLrfeiieinN-I2

'-C de-W lsInfelf<y' 1~pt rd~ iijhd'-t~

n iS~

~om 1 of llhe B&E.

PV; each weld,.~test nit s~

oul r

expansio jint

'be' ons.

d'ed,ea tbned~

eelcte:-icntontomoet acceptjbfe if the exn-ti)~

acetncr 1erIira spe i'eri meet ~'tte ac

-standr retla positioni 7.1 or~

referen,ced fo:p~etic Oatil 8.a, ] A

K.

'"1 9

A'..

• v.

bCntainmrent,ý Liner :Sea i A,;Velds~

reex aminied ysapbýb~eek Examined: _':b Ultrasonhic orrteti 72d.

'Penetratio Airlock-"and Access W1 n

.wel whih ha benOeningWelds' ex iie doe neld judge V-cepil wit

• jj p&iid acice-planCe Sta idrd Ms.

WeSjugd r.ee xamined -in acordance 'viith the:

'positiol 7Ad. s". ould be' repared

• poinns of Sect'ion 1111 ofte reexalriined in accorda ice Wit.l

.P~V* '~

-odetleSprovieions, ot. Setti6onte "I

o f,......

ASMEB_&PV Code Soap Babble:Tests of Containment

9.

Rec:ds

-.. ierWelds

Recrds of rdora gr1 nd.. ot..i W lds judged una ceptable because.

nond'est iu &.exiinei,

.lah.

e

.Ill.Ad i

• 'a iage ts detected. by the soap those for Ci ibb.e.test.e regulatory position shotiid be.retained b tii 7 C. above. should be repaired.

conpiane e it thie provisonso....

.Repair we.lding sh[ou.ld be Section

.x\\g;!:0 hty As'.

perrf.rnted using a,

qAalifiedi Records.lo~ti.

Appendix B. to 10:6k

.'pocdure as specified ULnder Pr.r5...

Q.'bmaity i

.AssuraaceCrit.ri' or, iregula.or position ). above. The Nuclear ;,.P:werF.CI.

.nt..d.....

w.ed repaired areas should be Reprocessih-. Pla".ts'..

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4...*

4

4'*

.4. * *.-

S. 4....

..4 4-5'-'

'.4.4 i

ii 444'.

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