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BIM

Precise Point Cloud to BIM Modeling at LOD 400 of a 16th century heritage monument enables retrofit of building while preserving monument identity

Precise Point Cloud to BIM Modeling at LOD 400 of a 16th century heritage monument enables retrofit of building while preserving monument identity Banner

Client Profile.

The client is a leading UK based surveying and BIM services company specializing in geospatial data capture and outputs.

Business Need.

The client was working on retrofitting a 16th century heritage monument in UK. The task was sensitive since the cultural and traditional identity needed to be preserved post retrofit. 3D point clouds of the building were generated using laser scan technology. The client needed a detailed three-dimensional view of the monument to facilitate planning and execution of the renovation work as well as facility management.

They partnered with Hitech with a proposal to:

  • Convert the point scans to 3D BIM models at LOD 400 to enable visualization of design changes from every angle
  • Generate detailed documentation of the monument to help with future maintenance and management of the facility

Challenges.

The team at Hitech assessed scope of work and identified challenges to work out the best solution. Challenges included:

Solution.

The team of BIM experts at Hitech developed a 3D BIM model in Revit at LOD 400 by converting the point cloud scans to BIM. They created Revit families of components using model checker to validate geometric modelling details.

They also delivered a detailed documentation of components like carvings, irregular geometries, rooftops, roof components, timber structures etc. for future maintenance and facility management.

Approach.

The team decided to opt for the Virtual construction modeling approach for documentation and overall work process.

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