From the real world to the digital twin. Amberg Infra 7D specializes in transferring infrastructure that has already been built into the digital world and ensuring the digital consistency of data and information.
Our Scan to BIM services utilize a variety of instruments, picked according to specific job requirements. Our in-house experts take care of the information acquisition and extraction. The final deliverable, a multi-disciplinary information package ready for any subsequent phase of the infrastructure lifespan; design, construction, operation or the maintenance process.
Utilizing BIM modeling enables clients to perceive complex infrastructure in an immersive and modular 3D setting. Insights drawn from this allow efficient decisions to be made for the long-term asset management. Consider BIM to be the central hub to which all relevant project and object information can be attached.
If you are still relying on traditional methods of surveying, but see the potential of BIM to assists your workflow, don’t wait any longer and elevate your projects with our highly skilled team.
We enrich your data and think infrastructure in new dimensions.
In collaboration with our technology associates and in-house specialists, we provide state-of-the-art solutions and instruments tailored to your needs.
The precise recording and modeling of already existing infrastructure forms the basis for all further phases of a project.
The creation of specialized models such as:
enable effective support in the planning, implementation and management of infrastructure projects.
BIM 2 Field or "BIM construction monitoring" enables construction progress to be monitored during the construction phase and BIM models to be checked by comparing the target/actual status (point cloud to model).
This allows construction projects to be handled more efficiently, as potential problems can be identified and rectified at an early stage, which ultimately leads to time and cost savings
The Top Left Image is the Visual Check tool. Here you can compare directly the BIM Model with the Pointcloud.
The Bottom Left image is the Visaul Difference Tool where a 5 cm tolerance is allowed to compare pointcloud to model
BIM management and consulting for Scan2BIM projects is an effective execution and advice on converting scan data into usable BIM models and is central to infrastructure projects. This is made possible by our team of already BuildingSmart certified BIM managers and coordinators. BIM management and consulting play a crucial role in achieving optimal results and increasing the quality and efficiency of projects for years to come.
Tunnel Digitalization is a key application area that combines MobileMapping scan data with RetroBIM processing to create comprehensive digital models of tunnel infrastructure. This includes the tunnel shell geometry, installed equipment (ventilation, lighting, signaling), track or road surfaces, drainage systems, and emergency equipment. The resulting digital model serves as a foundation for inspection planning, maintenance management, and renovation design.
Yes, one of the core capabilities of RetroBIM is updating existing design models with actual as-built conditions. By comparing the scanned point cloud data with the design model, discrepancies are identified and the model is updated to reflect reality. This is particularly valuable for railway projects where the actual track geometry may have shifted from the original design, and for renovation projects where current conditions must be accurately documented before planning modifications.
Digital Construction is deeply connected with Amberg’s other service lines: MobileMapping provides the primary 3D scan data that feeds into RetroBIM, Inspection Services use the BIM models as a reference for damage documentation, GeoMonitoring sensor data is linked to BIM elements for real-time visualization, and Geomatic Services provide supplementary survey data. This integrated approach creates a seamless digital workflow from data capture to asset management.
Key reference projects include: the SBB Projekt MehrSpur Zürich-Winterthur with comprehensive track layout modeling and multi-source data integration, S21 Berlin for automated rail infrastructure BIM and object positioning, and Flughafen Zürich for airport infrastructure modeling including terminals and runways. These projects demonstrate RetroBIM’s capability across different infrastructure types and scales.
A Digital Twin is a comprehensive digital representation of a physical infrastructure asset that integrates geometry (3D BIM model), sensor data from monitoring systems, inspection results, and operational data. Amberg Infra 7D creates these digital twins by combining RetroBIM models with real-time data from GeoMonitoring sensors via the GEOvis platform. This enables infrastructure owners to visualize, analyze, and manage their assets digitally, supporting better decision-making for maintenance and operations.
RetroBIM provides several key benefits: accurate as-built documentation of existing infrastructure, up-to-date digital twins for asset management, automated processing that reduces manual modeling effort, standardized object catalogs for consistent data quality, integration of multiple data sources for comprehensive models, support for planning, maintenance, and modernization decisions, and the foundation for digital infrastructure management. The automated approach is significantly faster than manual BIM creation.
RetroBIM supports industry-standard formats including IFC (Industry Foundation Classes), Revit formats, CAD formats (DWG, DXF), and various point cloud formats (LAS, LAZ, XYZ, E57). Multiple export options ensure compatibility with standard BIM software used by infrastructure owners and their engineering teams. Version control and model updates are supported as infrastructure changes over time.
The workflow consists of ten steps: (1) Point cloud input and loading, (2) Reference axis/coordinate loading, (3) Point cloud quality verification, (4) Relevant area cropping, (5) Point cloud analysis and evaluation, (6) Element grouping into clusters, (7) Object classification by type, (8) Coordinate determination and positioning, (9) Automatic BIM element placement from catalog, and (10) Verification and refinement against source data. This systematic approach ensures high-quality, accurate BIM models.
RetroBIM integrates multiple data sources for comprehensive model creation: airborne surveys (LIDAR and photogrammetry) for large-area coverage, terrestrial supplementary surveys for detail, trolley-mounted scanning for track inspection data, existing databases (e.g., SBB DfA database), third-party GIS data, Swiss Buildings database, existing design documentation and design axes, and object libraries and templates. This multi-source approach ensures completeness and accuracy.
The AI algorithms analyze the 3D point cloud by segmenting it into clusters, classifying each cluster by object type, determining precise coordinates and dimensions, and matching identified objects against predefined catalogs. The objects are then automatically placed in the BIM model at their correct positions. The system can recognize track switches (Weichen), support structures (Masten), electrical lines and cables, ballast/gravel beds, terrain surfaces, and an expanding library of additional object types. Results are verified against the source scan data.
RetroBIM is an automated process that converts 3D laser scan data (point clouds) into structured Building Information Models. Using AI-powered object recognition, the system automatically identifies infrastructure elements such as track switches, support structures, electrical lines, ballast beds, and terrain surfaces within the point cloud. These objects are then precisely positioned and placed as BIM elements from standardized catalogs, creating an accurate as-built model that reflects the real-world condition of the infrastructure.
Digital Construction at Amberg Infra 7D focuses on creating digital representations of existing infrastructure through advanced scanning and automated processing technologies. The core offering is RetroBIM (also known as Scan2BIM) – the automatic conversion of 3D point cloud data into Building Information Models (BIM). This enables infrastructure owners to obtain accurate, up-to-date digital twins of their assets for planning, maintenance, and modernization purposes.