For the reconstruction of an old farmhouse in Wattenwil near Berne (Switzerland), AAP Atelier für Architektur und Planung AG performed the survey by 3D laser scanning as well as the analysis and interpretation by using the software PointCab by Laserscanning Europe.
As-built documentation by laser scanning
Since – because of high costs for maintenance – the property had mostly been empty during the last years, a reconstruction should be accomplished in order to be able to fully use the landmarked building as a home.
As survey method, laser scanning was the perfect solution for obtaining precise plans as a basis for planning for restoration works. Due to the fast and accurate capture with a laser scanner, time and, thus, also expenses for restoration works have been reduced.
Fast and precise scanning
The survey of the farmhouse was accomplished by using the laser scanner FARO Photon 120/20 and took two days (each 8 hours). For the required, dimensionally accurate as-built documentation, for instance, the supporting structure, facades and floor plans had to be documented in detail. About 30 scans were taken and have been merged via reference points by means of the software by FARO.
Analysis and easy data exchange with PointCab
The software PointCab has been applied for the analysis and interpretation of the laser scanning data. The team needed about 40 hours for generating facades, floor plans and sectional views as well as for the further processing of data.
The engineers could easily read in the data in their CAD system ARCHICAD. They were enthusiastic about the easy handling and perfect function of PointCab. The software provided highly accurate results and was the perfect choice for this great project because of the relatively short calculation period.
With the gained data, the effort and the material requirements for all refurbishment measures could be accurately determined since even the smallest deformations and irregularities could be precisely captured.
