Document: NRC Regulatory Guide
Document ID: 47283fef-08ff-4021-afa3-0c8370080b94
Document Type: regulatory_guide
Title: Inservice Inspection of ASME Code Class 2 and 3 Nuclear Power Plants components
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1335/ML13350A361.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.51
CFR Part: 
CFR Title: 

Content:
evidence of leak.:'c caused by structural distress or corrosion effects on the, components. In addition, supports and hangers lilt piping and Code Class 3 componenls over 4 inches ill dianicter should be inspected for evidence of inadcqmtm support, unintended restrmint. or structur:al distress. "ASME B&PV Code, Sectiotni Xl. Wintter 1972 Addtenda. USAEC REGULATORY GUIDES Copies of publiihed guide% may be obtained by es.luftl indicating the div~iun; desired to the US. Atomic Energy Cumr,$,s.on. Washtrinton. DZ.. 2CS4t. Regulatory Guides are issued /o describe and ,'r1te available lt. the public Attention: Director of negulatnry Stsnd3ordi. Coermtnts .•n•J st•,q-toon , I- itethods acceptbhle to the AEC Rl'gulatory stifl of imnplemrnting specific pants of imirovemlrts in htfe gklir Mi enc)ur'ed and should be %tnt to ite SetjPri the Comminsion's tegulisions, to dielinete g•e.hnique% uStit by 9.- staff in of the Contsnist•On. U.S. Alomic Enetriv Cunmmostun. Vlh.hirigit.. D.C. 20U-45. e'llualtng specific problems or pOstulated .,cidt'•.tls. at to provide gait'enco in Attention: Chief. Pubic Proceedings Sliit. applicants. Regulatory Guides ere not substitutes for 'eguitiuni And compliance with them it not requirad. Methodt and stolution• differont frmt ihoos %st out in The guides are issued in the follosring ton brail drisic.ni: the guides wvill be acceputable if they provide a batis far tim finrdmtlt reQuitl-l to the i muan tce ot continuance of a o•erm it of Icente by the Com m ,ssion. 2. R eIe ref end T itw* Re tcto t 7. T srini •o rtniin 3. Fuels anor M4teiitis FaitIlt," • . Occu•i1tionl Heaslth Publihhed guiders will be revised periodicull,. at apOraOrtipr., to accomnodate 4. Environtat.rll am Sam)t', 9. Antitrust Review eproetients and to reflect new infoorntatOn of experience. S. Materitls &nd Plant Protection 10. General 'I, The pressure developed in components during a system performance lest, a component performance test, or a system