BIM för Hållbart Byggande

The purpose of this study is to facilitate sustainable building by the use of BIM. The goal is to determine which aspects of sustainable building, which can be analyzed mainly with BIM tools, but also other aids.The study is based on literature studies and interviews. The literature review examines aspects important for sustainable building by studying environmental certification systems applicable in Sweden, as well as the BIM tools available on the market to analyze these aspects. The literature also includes the concepts of BIM and sustainability in order to provide a clearer view of its meaning. The interviews have brought the study's overall understanding of the industry and guidance on the subject.The results are presented in a table, where the aspects relevant to sustainable building are listed. It can also be read which aspect the certification systems raise. Overall, the study shows 132 aspects distributed across seven areas: Site, Water and Wastewater, Energy and Pollution, Materials and Waste, Indoor and Wellbeing, City Design and finally Implementation and Management.The table also suggests BIM tools and other aids, which can be used in the analysis of a specific aspect. The study shows a slight majority of the aspects, 55 percent, are possible to analyze with BIM tools. The Site is the area with most aspects, which can be analyzed with BIM tools, 95 percent. And Materials and Waste resulted in least aspects with only ten percent. Overall, the study examined 35 different BIM tools. The aspects that require other means of analysis often generates important information about the project, from a sustainability point of view, and in many cases the information can be integrated in the BIM model manually. In the end, the project gets a packed BIM model with useful information, which follows the project all the way into management and later demolition and recycling.The study shows that sustainable building demands a holistic approach where several aspects should be considered in order to achieve sustainability. To analyze the aspects of sustainability requires that relevant and accurate information about the project be collected. Various proposals can be drawn and compared to generate the most sustainable option. A tool for this is BIM. BIM is defined partly as a method of work, building information modeling, but also as a virtual model, building information model. BIM facilitates the coordination of information gathering, both as a working method and a technical tool. This will contribute BIM to achieve the purpose sustainable building. 

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