Challenges In BIM Implementation On Level Of Development (LOD) 300

Kong, Ka Seng (2021) Challenges In BIM Implementation On Level Of Development (LOD) 300. Final Year Project, UTAR.

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Abstract

Building Information Modelling (BIM) is a process that building infrastructure and digital information are created and managed within one 3D model throughout the whole building life cycle. However, there are some problems faced when implementing BIM such as the lack of human resources, financial considerations, and process difficulties. Thus, the aim of the research is to analyse the challenges for client in implementing BIM in the project. The objectives of this research are identifying the vital BIM implementation process during the construction stage, analyse the clashes in the project, and apply a solution to solve the challenges in the 3D model with LOD 300. In this research, Autodesk Revit is used to generate 3D models of residential houses which are five units of double storey terrace house and two units of double storey semi-detached house located in Sarikei, Sarawak. The finalized 3D models are then exported to two structural analysis software, Esteem and Tekla Tedds to perform structural analysis. However, the models of the building were manually drawn due to the compatibility of the software. Eurocode 2 is chosen for the design standard for the structural analysis in the software. Besides that, the static loads such as dead loads and live loads are determined in the 3D models based on Uniform Building by Law 1994. Throughout the analysis, the structural behaviour of the 3D models are collected and studied to improve any necessary of the structural members. After the modifications in Esteem and Tekla Tedds, the 3D models in Autodesk Revit are redesigned to match the modifications made in Esteem and Tekla Tedds. Then, architectural models of the buildings performed clash detection in Autodesk Revit. Architectural models has more elements presented than structural models. Thus, it is important for the architectural models to ensure no clashes between elements and other elements are detected in the models. There were a total of 205 clashes in the architectural models whereas there was only one clash occurred in the structural models. Furthermore, modifications have been made to improve the 3D models by relocating the elements in the correct position and deleting unnecessary elements in the models. Lastly, clash detection is performed again to ensure no interferences detected in the 3D models by Autodesk Revit. This research concludes that the clashes can be detected by Autodesk Revit without searching it manually with our eyes which is not fully accurate compared to the software.

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