ASME 섹션 III 하위 섹션 NCD

설명

This Subsection contains the requirements for Class 1, Class 2 and Class 3 components.

What are the key changes for ASME Section III, Division 1, Subsection NCD 2023?

• NCD-2121(a) has been revised to permit the use of advanced manufacturing. This revision is to permit the use of advanced manufacturing product forms not included in Section II, Part D, Subpart 1, Tables 2A, 2B, or Article NCD-2000, provided the product form meets the requirements of Mandatory Appendix XXVIII.
• NCD-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.
• NCD-3124 has been updated to permit the use of ASME 섹션 XI 디비전 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).
• NCD-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.