The Trimble GEDO Scan System is an efficient tool to collect detailed information about track and surrounding features.
Trimble GEDO in combination with the Trimble GEDO Scan field software quickly gathers precise, high-resolution data for use in track clearance assessments 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.
Software to control of measuring process with communication to the laser scanner and acquisition of sensor values from the trolley.
In combination with a Trimble GEDO Rec system with total station or GNSS receiver, an absolutely referenced three-dimensional point cloud is generated, which can be used for as-built data acquisition or for checking clearance in tunnels or at any narrow environment.
Without using a total station or GNSS receiver for absolute positioning, point clouds can be captured in relative mode for clearance analysis purposes
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?
The system typically includes scanning hardware, measurement trolley, positioning systems, and associated software for data collection and processing.
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?
The system provides high-precision measurements suitable for professional railway surveying and engineering applications.
Can scanning be done during normal railway operations?
Yes, but appropriate safety protocols must be followed and necessary track access permissions obtained.
What are the export formats for scan data?
Data can be exported in standard point cloud formats compatible with common railway design and asset management systems.
What training is required to operate GEDO Scan?
Operators need training in system operation, safety procedures, and basic principles of rail scanning and surveying.
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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