Since the Fukushima accident in 2011, nuclear safety has emerged as a very important political and social issue. Under this circumstance, the importance of configuration management (CM) is emphasized in order to ensure the reliability and safety of facility. However, configuration management (CM) is still in its conceptual stage in the nuclear industry due to the ambiguity of CM definitions, insufficiency of CM procedures, paucity of computerized systems and lack of CM professionals. In an attempt to address this issue, a previous study proposed a comprehensive CM framework for nuclear power plants (NPPs) by comparing CM concepts in seven different industries where the CM is actively utilized. In order to facilitate the practical implementation of the conceptual framework, this paper proposes an assessment methodology for prioritizing the importance of CM application areas based on the physical subjects of NPP structures, systems, components (SSCs). The proposed methodology is composed of an ‘extended CM framework’ with further details and ‘evaluation criteria’ based on CM functions. This study developed an SSCs list by analyzing Design Control Document (DCD) of Westinghouse AP1000 and also identified evaluation criteria through an extensive literature review. The concept of CM in this study encompasses the entire NPP project life-cycle in order to promote the practical CM application. The results of case-study performed in this paper would provide the SSCs priorities and guidelines for practical configuration management (CM) for sustainable NPP facilities.
A comprehensive research has been initiated by Korean government in order to disseminate modernized traditional Korean building (Hanok). Major objectives of this project include reducing construction cost and enhancing performance by developing construction materials and method for modernizing traditional Korean architecture. For example, modern construction methods such as glulam, steel joint, and truss are modified in order to keep the representations of Korean traditional esthetics. As part of this project, seven test-bed projects have been actually built in order to validate the performance of the modernized Hanok, and each project has somewhat different applications depending on its own design requirements. In order to systematically compare and analyze the different applications of newly developed construction methods, this study proposes an evaluation framework with influencing variables. Firstly, the influencing variables such as different types of floor plan, roof structure and long-span beam of Korean traditional buildings were explored and defined. Historical database of these seven test-bed projects were then organized with standard classifications and numbering system. Finally, the historical database was analyzed based on the influencing variables in order to find patterns and compositions in applying new materials and methods for modernized Hanok. The findings of this study would provide a guide to selecting effective alternatives for new building types in terms of cost and performance.
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