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Case study · Heritage

19th-century villa, Giurgiu — 3D scanning for restoration

A late 19th-century historic house documented with laser scanning to design work on its façades: one day on site, point cloud, 3D model and façade survey at 1:50.

In short

  • Building: historic house, late 19th century, Giurgiu
  • Equipment: RIEGL terrestrial laser scanner
  • On site: 1 day, interior and exterior
  • Modelling: about 3 days
  • Deliverables: point cloud, 3D model, elevations at 1:50 (East, West, South, North), ground floor plan
  • Purpose: designing interventions on the façades

Project objective

The design team needed a precise geometric base for the façade interventions: the proportions of the openings, profiles, cornices, window surrounds and existing deformations had to be recorded faithfully before design.

Scanning and modelling

The building was scanned with a RIEGL terrestrial laser system, inside and out, in a single day on site. The point cloud was used to build the 3D model and extract the elevations, and modelling took about three days.

The result

The architect receives a measured representation of the existing building, including the details and irregularities of the façades: semicircular pediment, dentilled cornices, window surrounds, brick plinth. The model reduces repeated site checks and allows the interventions to be designed on the building's real geometry.

Project gallery

From the point cloud to the façade survey. Click an image to enlarge.

19th-century villa, Giurgiu — Colour point cloud — east elevation with the entrance
Colour point cloud — east elevation with the entrance
19th-century villa, Giurgiu — The existing building — the basis of the documentation
The existing building — the basis of the documentation
19th-century villa, Giurgiu — Site capture with a RIEGL terrestrial laser scanner
Site capture with a RIEGL terrestrial laser scanner
19th-century villa, Giurgiu — Point cloud — interior and exterior
Point cloud — interior and exterior
19th-century villa, Giurgiu — 3D model for designing the interventions
3D model for designing the interventions
19th-century villa, Giurgiu — Survey — East elevation, scale 1:50
Survey — East elevation, scale 1:50
19th-century villa, Giurgiu — Survey — South elevation, scale 1:50
Survey — South elevation, scale 1:50
19th-century villa, Giurgiu — Survey — West elevation, scale 1:50
Survey — West elevation, scale 1:50
19th-century villa, Giurgiu — Survey — North elevation, scale 1:50
Survey — North elevation, scale 1:50
19th-century villa, Giurgiu — Ground floor plan — outline from the scan
Ground floor plan — outline from the scan

Frequently asked questions

How long did the 3D scan of the Giurgiu villa take?

Site capture took one day, inside and out, with a RIEGL terrestrial laser scanner. 3D modelling took about three days.

What deliverables did the design team receive?

A point cloud, a 3D model and façade documentation: the four elevations at 1:50 and the ground floor plan, extracted from the scan.

Why laser scanning rather than conventional measurement for a historic building?

Profiles, cornices, window surrounds and existing deformations are recorded faithfully in a single day on site, without approximate measurements or repeated checks on site.

What is the façade survey used for?

For designing façade interventions on the building's real geometry: restoration, rebuilding decorative elements and approvals.

Have a historic building to document?

Send us a few photos, the location and the approximate floor area. Within 24 working hours we tell you how we would document it, what we deliver and what it costs. Indicative ranges on the pricing page.

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