Document: NRC Regulatory Guide
Document ID: 7585b72a-a16c-43fc-9be2-62a67be95f4a
Document Type: regulatory_guide
Title: Nondestructive Examination of Primary Containment Liner Welds
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1303/ML13038A436.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.19
CFR Part: 
CFR Title: 

Content:
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 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..wel''soul '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 . -. :.".'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 miaio tke-sg~i i •.f • i 's t•.:c .ei i.ii •. FFPnaetci~~eeal