Abstract
BIM has become widely used and preferred in building design. The benefits of this model can also be used to calculate the environmental impact of buildings. This paper presents the acquisition and implementation of environmental data to the existing and growing BIM library of building materials. The library contains specific (non-generic) elements, and its content is focused on conventional solutions used in Czech Republic. Environmental impacts associated with the production of building materials and elements (cradle-gate) were added to the BIM library and were expressed by 14 indicators. Generic environmental data were used. Linking them with specifics products demand high expertise and a lot of time. By designing methodology and specific guidelines, this process is speeded up, simplified, and future update and extend of resulting tool is enabled. Resulting tool (EnviBIM) will provide quantification of embodied environmental impacts of each single building part directly in the BIM model.
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