Document: NRC Regulatory Guide
Document ID: 08cebcdf-2e81-4e08-a508-9f6b4701c0a5
Document Type: regulatory_guide
Title: Design, Fabrication, and Materials Code Case Acceptability, ASME Section III (Rev. 40)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2219/ML22195A282.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.84
CFR Part: 
CFR Title: 

Content:
, Division 1, Appendix XIII, shall not be used for Class 3 valves. 9/21/07 N-779 Alternative Rules for Simplified Elastic-Plastic Analysis Class 1, Section III, Division 1 Acceptable for use with code editions Summer 1979 addenda and later. 1/26/09 N-852 Application of the ASME NPT Stamp, Section III, Divisions 1, 2, 3, and 5 Licensees may use the NPT Code Symbol Stamp with the letters arranged horizontally as specified in ASME BPV Code Case N–852 for the service life of a component that had the NPT Code Symbol Stamp applied during the time period from January 1, 2005 through December 31, 2015. 2/9/15 N-883 Construction of Items Prior to the Establishment of a Section III, Division 1 Owner, Section III, Division 1 This Code Case may only be used for the construction of items by a holder of a construction permit, operating license, or combined license under 10 CFR Part 1/29/18 DG-1405, Page 15 CODE CASE NUMBER TABLE 2 CONDITIONALLY ACCEPTABLE SECTION III CODE CASES TITLE/CONDITION DATE OR SUPPLEMENT/ EDITION 50 or Part 52. This Code Case may not be used by a holder of a manufacturing license or standard design approval or by a design certification applicant. N-886 Use of Polyethylene Pipe for Class 3, Section III, Division 1 For above ground applications, licensees must ensure the plant fire protection program addresses any HDPE consistent with the requirements of 10 CFR 50.48. 5/2/18 DG-1405, Page 16 3. Annulled Unconditionally Approved Section III Code Cases The NRC had previously approved the Code Cases listed in Table 3 unconditionally, but they have since been annulled by ASME. To assist users, new annulled Code Cases are shaded in grey to distinguish them from those listed in previous versions of this guide. Table 3. Annulled Unconditionally Approved Section III Code Cases CODE CASE NUMBER TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASES ANNULMENT DATE N-1-7 (1332-7) Requirements for Steel Forgings, Section III, Division 1 7/1/82 N-2 (1334-3)