Role of Building Information Modeling in Improving Building Design Process in Ethiopia, The Case of Addis Ababa

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Ethiopia is under a major and fast transformation on the subject of building construction. The country is now building grand projects in areas like, housings, higher education, health buildings and many more. This fast building construction industry faces many challenges, one of these challenges being the gap in building design process management basically caused by incomplete design and less integrated design management. The international practice, moved from the conventional to the integrated design modality, with the latest intervention of Building Information Modeling (BIM). There are a few attempts in Ethiopia, even though it is at its infant stage. This study focuses on reviewing the existing design management with in Addis Ababa; tries to identify the major gaps, problems and challenge and sees how such BIM can improve the situation in design related problems. To conduct this research, two methods are used, survey and case study. Questioner and interview for the survey having eleven G-I consultants used as a population taking two as samples and two governmental university projects as a case study. The gaps identified in this research are to follow: - Most of the designers in the case area, are currently implementing the conventional designing approach, resulting in substandard property, fragmented building design process, errors and omissions in paper communication resenting in project period delays being the major gap, additional financial expense and reduction of quality are also take major portion, resulting undesirable friction between involved parties. The documents are fragmented and take longer time to prepare. The project going over budget, extended period and lesser quality are problems caused by the poor building design management. The major challenges of the building design process are very low project fee, no permanent staff, incomplete design with fewer details, limitation on accessing licensed software, expensive and unaffordable database infrastructure and lack of adequate training centers are also partly concluded as challenges. The majorities of the professionals in Ethiopia have at list the basic understanding of the significance and the advantages of BIM or used BIM application; this shows a promising future. As a recommendation, BIM should be included in Ethiopian Building coed of standard; as fundamental tool for designing, design evaluation, project monitoring and follow-up and design documentation. Standard minimum professional fee should be set; banks should support the professionals by loan system so that they can adopt BIM; regulatory body, client, professionals should set integrated design management platform environment.



building construction, design challenges, integrated design process, building information modeling [BIM], Design modality and sustainability