F':••!•i: 7,7 : . . . ."/" ."",: . ';:"::.:...:..F.: F. . ')'".-' i, "?!'•4:

~ F Revisiqn

21,; " F .

F F' , J•'"F F .":•4 F F . '; ' • • " " . " • ? .' . ' ' " ' . . ": • • . . . " : •F, ... .. • .FF1 . , .F F F '

,, :: .4•. - .... S.:AE:."T.... .lO' (9 .. . .. .. . .. .

-,,.NONDESTRUCTIVE EXAMINATION OF PRIMARY CONTAINMENT LINER ýWELDSý

A. ntroduction be. no.'destr~uctfvelý: examined 6s'in~g tifollowing procedures:

FGnrl esign Criterione. 1'~uIiyStan~nl ~n F~~ors;7~f pprdixA t 101. ofidestrue Exaiminatiori-of' Lin

CFR- ` %0` ý" n.eCznra; ''sgnCtraorSearii 'WeldsE1 antfs requrs ht

F 4Fnpo.tant. to sat ervý, be bricated to o., T r. .eachI. welder ndi.. we"I'd-ifqk 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•irsand onle Fspot (nt essýtý,zF 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,ýThis , ge dccTbsacceptabie procedurdsl foi.wl (weld te~st unit) For- fractic

F WFF Puklmehfingo this ,. riterýionh by the~ use of' threro f should beexaini1111F 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';futiS. t e ... . ..... b d iFl.aination,' oj ,the ANk%0B 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..wel''soul 'be:xa in .

Frrfwe ht hnný .i e_',, ntjn' (i.'x ssil~db~xaiind.

F:".. .:,:..•:;:": :. , FFF -F .! :s s!.a : .F•fla i't .-. :.".'F•""•!o e ,,ola i •-n sl,,e•.,-e • ..........;10 M .L, " .d;:,.W

in cnc~ee 'cntatti n..s~t~ry iorp i .x miaiotke-sg~i i •.f • i 's t•.:c .ei i.ii •.

FFPnaetci~~eeal 6aetprieapiainFIn!sanm wed s is -no0ý easibleF'cF.. , 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. IAferrewmvig. aF number ofapplications .with, Qie techninmques pre'sd ;.ib~

for coCtCtin Ieonit an opato liene ' ~5~6 F\ fFtile ASKFE',FFB&PýA. - . .*'FFS 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 jFL' m q li-d "I.. .....

-d -s oa t Ies di ihySe-elx'I inasoftstasopsouio orohconenioay 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 - - :' :- -. F F?{!i:: F'.i'4

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

• • • : F.+ ":!: •,j.." :,-.• ,. F.FF) F" : *':, FF F':..• F.F F F• F'FF F

*fi'roFi aF F'dmýýuq aF ' F' Ft the'.FFl'wi

W i.. F N.- Ff.. .• t -F F . . : ' .. ..

•:. ~ ~ ~ ~ ~ ~ ~ ~ 'quv l e:.s.:t......t. 1: ••7,••"•.:• ......

•;: ..•; ,R. ..: . ..o t..a t lo .:r 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 cvacat teastIal <

- ; -~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 lsýiire inaldover 4nerwed

O~~rdFo leak tighth~'5p1ressut.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 Acces0Pel 9g Welds

a- All wrefd&n eetai4: iiok* an ac s :*Pernifigý 'that ail -Jnot".

akeiY coniclte* :-sitch~a wedsb Ietween eermo. ai ~e%ihn~snd~ 5 J iitnsndj ipipeýrlines, 71;d'e ul x.iijd'inceace wit[the e

-nielio ofNE-I 2 o~Section liK0 ASM E B&Pv 1 Code*P Omlj,'jl t~he tech~iqePrsrbdinl co V7 Of that

penera~o airock"and access 5oprn~that'' are, backed: byco ~ 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 sexallSio0n jo-Int,`Ooiq

ý-p~v ,ener~ t~o i~ L~.f~~eap p turte n a ixflc s 'o ' 0 h : c n a n

Yvessel sý:ýhold b'eban~.p~jOr h, qudpnet wlie,"ýonxnagnetic ~ ueaucordance with' the techniqiP 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 lioperatorls, :and weldijip ro'e dupres sho ud .'jd + ed"wit. beif';4 a cc dnc

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

ExamiationPeiI. ... :0'f No.ndestruc'i

'sonniii

~'LUJV 01 me.

o~in o f Sne

.rada

6.Tiw f miaton adliquid penetrant mnethodýs in '

__ ~ ~ ~ ~ ~ ~ ~ E' 1'2e0fm~o b prome , of Section1I'l.All exam M~ations sholld b efas 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 1comletd Eamined by, Radiography.

7 Acieptair ftnad 0a~ 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&tsshotild be radiographicaIlyý

Wb,6ex -a spoi he seam Wld is examined in~ the' same weld testjuidged' a epaleii -a'raýeu i't oa ns'--at-,least, one'f6ot '

wW he" - n1Maref. '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 dtes 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•nb. . Con 'inen I Lin&..eSea Welds res"lt h••s e i te

'xmnd by Uhrajsrnic orfioin oe~i~cine- &- tw6. .'additi'oalý soots -.

mexamined e he specifcd4-:welds em x:.n "nea by acc'dst .das.ultrasgac. :or magnetic particle dentire wrepresentermeltho•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 ctfverefeencd fr sch, examfinaion-e - ~ *: r su A*Jlding disclosed by the ~irst~ ~-~

. .. in M~) 2U Setionii ofthe 'thiree radiograipsof 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 InceLi . ..... . .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 debtOp-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, instauidaids 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'erimeet ~'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~eekExamined: _':b Ultrasonhic orrteti

72d. 'Penetratio Airlock-"and AccessW1 n .wel whih ha benOening''Welds'

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 tii7 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'..

%" • .. " .4.•

4_.. . . . . .. . . . . . . . . ..... .. . . . •-

•44- .... • . .:•

i .. !. . .... . .. . . . . . . . . ........... ...-... t,

•- . :. . . . . .. . . . . . . . . ..... '. . ..-....". 4...• .

4 . ;4'• , ...• . .4. • •.- ,

S . 4.... .,: . . .: . . .. .. : . .4 .. . 4- !::.

5'-' ' ' ,' '.4.4 ....

• ••.•.,••• i ii 444' . <