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Scan-to-BIM for the new Western Australian Museum

Reality Capture Guru
August 25, 2017

The Western Australian Museum serves as the premier cultural organization for Australia’s largest and western-most state: Western Australia (WA). Established in Perth in 1891, the museum has since expanded to five other sites throughout the state.

Reality Capture played a vital role in the major expansion and renovation taking place at the Perth location. The original museum occupied Perth’s ‘Old Gaol’ building. One of the oldest standing buildings in WA, the ‘Old Goal’ still forms a large part of the museum. The Perth museum grew to encompass other heritage buildings, including Hackett Hall, and the Jubilee and Beaufort Street Buildings.

The $428.3 million new museum project consists of the integration of a new building with these heritage buildings. Construction contractor Multiplex and architecture firms OMA and Hassell joined forces for the project. They’ve already completed conservation work on the facades of the buildings. Next, they’ll renovate the building interiors.

Since all of the heritages buildings will remain intact with the new structures working around them, precise measurements proved crucial. Although the WA state government supplied ‘scan-to-BIM’ models as part of the tender, the project team felt that some of this information was inadequate for their needs.

So in 2016, Russell Fuller Hill of FHM Consulting and 4D Delta joined to provide laser scanning services and as-built models. Fuller Hill, owner of FHM Consulting, specializes in scan-to-BIM services. 4D Delta specializes in spatial imaging services. This team scanned and modeled over 40,000 square meters – including three museum wings, the Old Gaol, and an underground parking garage, the adjacent State Library concourse, redevelopment site, and streetscapes.

They used Faro and Leica scanners to capture over 600 scans of the project. ReCap software processed all of the scans from PTX files, grouped and staged by modeling areas. Then, Fuller Hill used the resulting point clouds imported into Revit for his modeling efforts. Extracting 3D points from the point clouds for processing into a surface mesh produced a terrain model of the surrounding site and concourse.

The building, including the underground parking garage and associated mechanical plant, were modeled in Revit. Revit also facilitated connecting the new and old underground power utilities. Lastly, Fuller Hill then used the 3D models, 3Ds Max, and Adobe Premiere to showcase his work.

Autodesk software ReCap and Revit aided in the successful delivery of final models. With construction officially underway, patrons eagerly anticipate the grand unveiling of the new museum is 2020.

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