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:
ltrasonic Examination of Weld 10 in. To 14 in. Thick, Section XI, Division 1 N-113-1 Published on 12/31/82 N-236 Repair and Replacement of Class MC Vessels, Section XI, Division 1 N-236-1 Published on 9/5/85 (1) In the second sentence of Paragraph 1.0(a), the phrase, “while the plant is not in service,” refers to a refueling outage. (2) In the third sentence of Paragraph 1.0(a), the phrase, “the next scheduled plant outage,” refers to the next scheduled refueling outage. For clarification, the phrase, “repair and replacement of Class MC vessels,” means “repair and replacement of Class MC vessels and components (systems).” Acceptance of this Code Case in no way provides/constitutes NRC approval to violate the technical specification or any NRC requirements with regard to breach of containment during repair and replacement procedures while the plant is in operation. Where a numbered Code paragraph is not identified by a particular edition of the Code, the Code in effect at the time of the ASME meeting (November 3, 1978) that approved the Code Case should govern. N-307 N-307-1 N-307-2 Revised Ultrasonic Examination Volume for Class 1 Bolting, Table IWB-2500-1, Examination Category B-G-1, When the Examinations Are Conducted from the Center-Drilled Hole, Section XI, Division 1 N-307-1 Published on 12/5/84 N-307-2 Published on 9/24/99 N-307-3 Published on 3/28/01 N-335 Rules for Ultrasonic Examination of Similar and Dissimilar Metal Piping Welds, Section XI, Division 1 N-335-1 Published on 6/20/85 N-375 N-375-1 Rules for Ultrasonic Examination of Bolds and Studs, Section XI, Division 1 N-375-1 Published on 4/14/83; N-375-2 Published on 4/5/84 RG 1.147, Rev. 19, Page 29 CODE CASE NUMBER TABLE 5 SECTION XI CODE CASES THAT HAVE BEEN SUPERSEDED DATE N-389 Alternative Rules for Repairs, Replacements, or Modifications, Section XI, Division 1 The applicant should submit for approval the appropriate edition and addenda of the Code that is to be used for the