Document: NRC Regulatory Guide
Document ID: a1541707-8144-409c-8842-4ea7d4b8ef4e
Document Type: regulatory_guide
Title: 10/2019 (Rev. 19)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1912/ML19128A244.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.147
CFR Part: 
CFR Title: 

Content:
hat contain construction type flaws. (Note: The above condition is identical to the condition on the use of Code Case N-638-4 in RG 1.147, Revision 17.) N-638-7 Published on 5/17/13 RG 1.147, Rev. 19, Page 37 CODE CASE NUMBER TABLE 5 SECTION XI CODE CASES THAT HAVE BEEN SUPERSEDED DATE N-643 N-643-1 Fatigue Crack Growth Rate Curves for Ferritic Steels in PWR Water Environment, Section XI, Division 1 N-643-1 Published on 2/3/03 N-643-2 Published on 5/4/04 N-648 Alternative Requirements for Inner Radius Examination of Class 1 Reactor Vessel Nozzles, Section XI, Division 1 N-648-1 Published on 7/7/01 N-648-1 Alternative Requirements for Inner Radius Examination of Class 1 Reactor Vessel Nozzles, Section XI, Division 1 In lieu of an ultrasonic examination, licensees may perform a VT-1 examination in accordance with the Code of Record for the ISI program using the allowable flaw-length criteria of Table IWB-3512-1 with limiting assumptions on the flaw aspect ratio. N-648-2 Published on 9/4/14 N-652 N-652-1 Alternative Requirements to Categorize B-G-1, B-G-2, and C-D Bolting Examination Methods and Selection Criteria, Section XI, Division 1 N-652-1 Published on 2/20/04 N-652-2 Published on 9/3/10 N-653 Qualification Requirements for Full Structural Overlaid Wrought Austenitic Piping Welds, Section XI, Division 1 N-653-1 Published on 4/4/12 N-661 Alternative Requirements for Wall Thickness Restoration of Classes 2 and 3 Carbon Steel Piping for Raw Water Service, Section XI, Division 1 (1) If the root cause of the degradation has not been determined, the repair is only acceptable for one cycle. (2) The weld overlay repair of an area can only be performed once in the same location. (3) When through-wall repairs are made by welding on surfaces that are wet or exposed to water, the weld overlay repair is only acceptable until the next refueling outage. N-661-1 Published on 10/11/05 N-661-1 Alternative Requirements for Wall Thickness Restoration of Class 2 and 3 Carbon Steel