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Science and Technology of Nuclear Installations
Volume 2012, Article ID 735719, 13 pages
http://dx.doi.org/10.1155/2012/735719
Research Article

An Evaluation Methodology Development and Application Process for Severe Accident Safety Issue Resolution

Safety Analysis & Methods Development, Babcock and Wilcox Nuclear Energy, 109 Ramsey Place, Lynchburg, VA 24501, USA

Received 2 November 2011; Accepted 8 February 2012

Academic Editor: Gilberto Espinosa-Paredes

Copyright © 2012 Robert P. Martin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A general evaluation methodology development and application process (EMDAP) paradigm is described for the resolution of severe accident safety issues. For the broader objective of complete and comprehensive design validation, severe accident safety issues are resolved by demonstrating comprehensive severe-accident-related engineering through applicable testing programs, process studies demonstrating certain deterministic elements, probabilistic risk assessment, and severe accident management guidelines. The basic framework described in this paper extends the top-down, bottom-up strategy described in the U.S Nuclear Regulatory Commission Regulatory Guide 1.203 to severe accident evaluations addressing U.S. NRC expectation for plant design certification applications.