Document: NRC Regulatory Guide
Document ID: c55ba6c5-aa2d-4ad6-aba2-2001e16524ab
Document Type: regulatory_guide
Title: Ultrasonic Testing of Reactor Vessel Welds During Preservice and Inservice Examinations (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1221/ML12216A015.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.150
CFR Part: 
CFR Title: 

Content:
o Regulatory Guide 1.150," prepared by the Ad Hoc Committee of the Electric Utility Industry and pre- sented to the NRC in August 1982.12 The NRC staff has evaluated this method and has found it to be an accept- able alternative to that presented in paragraphs 1 through 7 of this regulatory position. 10Any guidance in this document related to information collec- tion activities has been cleared under OMB Clearance No. 3150-0011. 1 1lt should be noted that the licensee is required to apply for relief from impractical ASME Code requirements according to 5 50.5 Sa of 10 CFR. If the licensee is committed to examine a weld as per the inspection plan in the plant SAR, the licensee is required to file an amendment when the commitments made in the SAR cannot be met. 12This document is available through Mr. Larry Becker, c/o J. A. Jones Applied Research Co., P.O. Box 217097, Charlotte, North Carolina 28221. I I I 1.150-8 D. IMPLEMENTATION Except in those cases in which an applicant proposes an acceptable alternative method for complying with specified portions of the Commission's regulations, the method described herein will be used in the evaluation of (1) the results of inservice examination programs of all operating reactors after July 15, 1981, and (2) the results of preservice examination programs of all reactors under construction performed after January 15, 1982. The recommendations of this guide are not intended to apply to. preservice examinations that have already been completed. The NRC staff intends to recommend that all licensees modify their technical specifications to make them consistent with the recommendations contained herein. 1.150-9 0 APPENDIX A ALTERNATIVE METHOD I The following is reprinted with permission from Chapter 3 of the document "Recommended Changes to Regulatory Guide 1.150," prepared by the Ad Hoc Committee of the Electric Utility Industry. Ultrasonic examination of reactor vessel welds should be performed according to the requirements of