The Trimble GEDO Scan System is a highly efficient solution for capturing detailed information on railway tracks and surrounding assets.
When combined with Trimble GEDO Scan field software, it enables the rapid collection of precise, high-resolution data to support track clearance assessments, asset inspection, and facilities management.
Operating in either LOCAL or ABSOLUTE Mode, collected 3D point clouds are used to produce detailed 3D models of tunnels, overpasses, stations, platforms, crossings and other facilities.
Using clearance envelopes and 3D models, the system simulates the movement of the railcar through an existing facility or a stretch of track. Potential railcar clearance encroachments against existing and design profiles are automatically detected and reported.
Simple, self-contained trolley used for Trimble GEDO Scan and other track measuring applications.
Helical scanning mode captures ceilings and walls to produce accurate 3D models of tunnels and overpasses.
Trimble GEDO Scan Field software runs on the Trimble Tablet rugged PC, controlling scanning operations and data collection of both the scanner and the GEDO trolley.
Modular system lets you use the Trimble TX5 , TX6, TX8 or Faro Focus 3D scanner for other survey and facility needs.
Workflow and User Interface are consistent with other Trimble GEDO systems to reduce training and increase system productivity.
Supports 45° Mode for better object visibility at as-built scans.
Neighbour track detection out of the scanning data to survey the scanned but not surveyed track.
Chainage view for easy navigation inside the point cloud.
The software controls the entire measurement process, managing communication with the laser scanner and acquiring sensor data from the track measurement trolley.
When used in combination with a Trimble GEDO Rec system and a total station or GNSS receiver, the solution generates an absolutely referenced 3D point cloud. This data can be utilised for as-built documentation, as well as clearance verification in tunnels and other confined or restrictive environments.
When a total station or GNSS receiver is not used for absolute positioning, relative point clouds can still be captured, making the system well suited for clearance analysis applications.
Structure
• Flexible track measuring trolley made of lightweight aluminum.
• Can be adapted to different track gauges by utilising gauge extensions.
Gauge measurement
• Measuring range: -20 mm to +60 mm
• Accuracy: ± 0.3 mm
Superelevation (cant) measurement
• Measuring range: ± 9° (alternatively 10°)
• Accuracy: ± 0.5 mm
Power supply
• Standard Trimble S-Series Lithium-Ion batteries.
• Operating time > 12 h with two batteries.
Measurement Speed
• Supported total stations.
– Trimble S9 is recommended with GNSS – 1Hz RTK.
– Supported GNSS receivers Trimble R-Series – Trimble R12 is recommended.
Applications
• Documentation of existing track.
• Main track, side track, tram, metro, industrial lines
• Optional with Profiler for checking the track position at reference points and distance measurement to objects close to the track.
What is GEDO Scan used for?
GEDO Scan is designed for collecting detailed 3D measurements of railway infrastructure, capturing track geometry, clearance profiles, and surrounding features.
What components make up a GEDO Scan system?
What data can be captured with GEDO Scan?
The system captures comprehensive point cloud data including track geometry, clearance profiles, overhead lines, platforms, signals, and other trackside infrastructure.
How fast can scanning be performed?
What software is used to process GEDO Scan data?
The data is processed using specialized Trimble software designed for railway applications and point cloud processing.
What accuracy levels can be achieved?
Can scanning be done during normal railway operations?
What are the export formats for scan data?
What training is required to operate GEDO Scan?
How does GEDO Scan integrate with other GEDO systems?
GEDO Scan is designed to work within the broader GEDO ecosystem for comprehensive track surveying and documentation.
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