ASME BPVC-III NE, 2023 Edition – Rules for Construction of Nuclear Power Plant Components, Division 1, Subsection NE: Class MC Components

ASME Section III, Division 1, Subsection NE – This Subsection contains requirements for the material, design, fabrication, examination, testing and overpressure protection of items which are intended to conform to the requirements for Class MC construction. The rules of Subsection NE cover the requirements for assuring the structural integrity of items.

What are the key changes for 2023 BPVC Section III, Division 1, Subsection NE (ASME BPVC-III NE)?

NE-2321.2 has been revised to remove the requirement to use full-size test specimens, and test-specimen requirements were adjusted to be in accordance with SA-370.
NE-3125 has been updated to permit the use of Section XI, Division 2, Requirements for Reliability and Integrity Management (RIM) Programs for Nuclear Reactor Facilities, as a basis for designing for inservice monitoring and nondestructive examination (NDE).
NE-5540 has been developed to permit the use of CP-189 as an acceptable NDE personnel qualification standard. Section III, previously required qualification of examiners only to SNT-TC-1A, while Section XI, requires personnel qualification per CP-189.