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Description / Abstract:
Background and Scope
The Multinational Design Evaluation Programme (MDEP) Code
Comparison Project was initiated in late 2006 in response to a
request by the MDEP Codes and Standards Working Group (CSWG)
formerly known as the Working Group on Component Manufacturing
Oversight (WGCMO). The CSWG invited the organizations responsible
for development of major nuclear component construction codes and
standards, Standards Development Organizations (SDOs), to make
presentations regarding the requirements of their respective codes
and standards pertaining to light water cooled nuclear power plants
along with comparisons between those respective codes and
standards.
In an effort to facilitate consistent design and manufacturing
processes among the 10 MDEP countries for Class 1 Nuclear Power
Plant components, the CSWG requested the various SDOs to develop a
comparison of the requirements of their respective codes and
standards and those of the others.
The SDOs from the USA, France, Japan, Korea, and Canada (ASME,
AFCEN, JSME, KEA, and CSA, respectively) agreed to participate in
this code comparison project and develop comparisons of the
requirements for Class 1 vessels, piping, pumps and valves. The SDO
from Russia (NIKIET) subsequently also joined in this effort, and
this revision of the report includes a comparison of the NIKIET
PNAE-G-7 requirements to those of ASME Section III for Class 1
components.
As the project was initiated, the SDOs determined that
development of comparisons between every code and each of the
others would be very complicated. Recognizing that the CSA, JSME,
KEA, and AFCEN Codes were all originally developed based on ASME
Section III, the SDOs agreed to define ASME Section III as the
baseline for the comparison and compare each of the other Codes to
ASME Section III and also to base the comparisons on the 2007
editions of each of the Codes.