Parliament Hill consists of four historic gothic revival buildings, which form part of the Parliament Buildings National Historic Site of Canada in the National Capital of Ottawa. There are more than 2000 masonry sculptural elements throughout the four buildings. Three of the buildings are in the middle of multi-year rehabilitation projects. Extensive Heritage Documentation is being undertaken to support various activities and conservation teams throughout the interior and exterior of the buildings while also serving as a key posterity records. One of the significant heritage documentation projects is the 3D digitization of the 2000+ heritage character defining sculptural elements. The Heritage Conservation Directorate (HCD) of Public Works and Government Services Canada (PWGSC) was tasked by the Parliamentary Precinct Branch (PPB) of PWGSC to document these character defining elements. The sculptures vary in size from as small as 100mm in width to up to 2 meters in size. This project is in its third year and much has been learned and researched about the most appropriate and efficient means by which to document these elements. Although a methodology was in place to document the sculptures at the inception of the project, it has gone through several iterations in order to improve the gathered data, and in turn increase the efficiency, quality and speed of data acquisition. This paper will describe the evolution of the methodology, as well as the rationale for the alterations in technique.

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Keywords 3D Printing, Close Range Scanning, CNC, Dissemination, Masonry, Photogrammetry, Photography, Sculptural Elements
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Conference 25th ISPRS International CIPA Symposium 2015
Ouimet, C. (C.), Gregg, J. (J.), Kretz, S. (S.), Chandler, C. (C.), & Hayes, J. (J.). (2015). Documentation and dissemination of the sculptural elements of Canada's parliamentary buildings: Methodology development and Volution, a case study. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives (pp. 347–352). doi:10.5194/isprsarchives-XL-5-W7-347-2015