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Projects /PRO2549
Case study · PRO2549

Roof trusses and services 3D scanned and modelled

A 3D laser scan of the roof space above a commercial kitchen in Redcliffe. No existing plans, a solid ceiling, and one way in.

Point cloud and Revit model: kitchen, ceiling and roof trusses
Scan to modelPoint cloud and Revit model: kitchen, ceiling and roof trusses
Survey type
3D building survey
Sector
Education
Location
Redcliffe, QLD
Delivered
Revit, DWG, point cloud
The brief & scope

A kitchen upgrade, and no plans of the roof.

A school was upgrading its commercial kitchen equipment. There were no existing plans of the building.

The architect needed a 3D survey of the roof structure and major services, so their consultants could coordinate new mechanical services and plan any structural changes.

In scope
  • Floor & ceiling plan
  • Roof truss sizes & spans
  • Services in the ceiling cavity
  • Revit 3D model
Survey spec
Survey type
3D building survey (ceiling void)
Modelling method
Design intent
Level of detail
Standard
Modelling tolerance
Standard
The challenge

Limited access, small and crowded crawlspace

The ceiling is solid plasterboard and fibre cement, not removable tiles. There was no lifting panels or scanning up from the room below.

We checked the cavity was safe to enter, then scanned the tight roof space from inside. The room below was scanned too, so roof and floor sit in one model.

Project images
4 images · click to enlarge
Deliverables

What the client got

.rvt
Revit 3D model
Roof trusses, services and Level 1, modelled to design intent.
.dwg
AutoCAD 2D drawings
Floor plan, ceiling cavity plans and sections.
.dwg
AutoCAD 3D drawing
The 3D model in CAD, for consultants working in AutoCAD.
.rcp
3D scans
Registered point cloud of the room and the roof space.
.exe
3D scan walkthrough
Explore the scans on a Windows PC, no CAD software needed.
The result

The whole roof space 3D modelled, ready for design.

The architect passed the 3D view and Revit model to their consultants, who are using it to coordinate roof services for the new kitchen.

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