THE EVOLUTION OF MODELLING PRACTICES ON CANADA’S PARLIAMENT HILL: AN ANALYSIS OF THREE SIGNIFICANT HERITAGE BUILDING INFORMATION MODELS (HBIM)

Chow, L.; Graham, K.; Grunt, T.; Gallant, M.; Rafeiro, J.; Fai, S.

In this paper, we explore the evolution of modelling practices used to develop three significant Heritage Building Information Models (HBIM) on Canada’s Parliament Hill National Historic Site – West Block, Centre Block, and The Library of Parliament. The unique scope, objective, and timeline for each model required an in-depth analysis to select the appropriate classification for Level of Detail (LOD) and Level of Accuracy (LOA). With each project, the refinement of modelling practices and workflows evolved, culminating in one of our most complex and challenging projects – the Library of Parliament BIM. The purpose of this paper is to share ideas and lessons learned for the intricate challenges that emerge when using LOD and LOA classifications including trade-offs between model performance, tolerances, and anticipated BIM use. In addition, we will evaluate how these decisions effected managing the digitization, data processing, data synthesis, and visualisation of the models.

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Chow, L. / Graham, K. / Grunt, T. / et al: THE EVOLUTION OF MODELLING PRACTICES ON CANADA’S PARLIAMENT HILL: AN ANALYSIS OF THREE SIGNIFICANT HERITAGE BUILDING INFORMATION MODELS (HBIM). 2019. Copernicus Publications.

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