Texo DSI

Photogrammetry and thermal survey of trunk mains

Photogrammetry and thermal survey of trunk mains

What was needed?

The client had set continuous improvement goals across its network and was aiming to drive down costs associated with losses from their systems via leaks.

Part of this project required the use of aerial thermal imaging surveys to detect subsurface water leaks.

What did we do?

Having developed the methodology previously with another utility company, we were in prime position to demonstrate the effectiveness of this technology on the 300km of pipeline designated for the trial. The client requested that scalable orthophotos be delivered to visually check for damages, encroachment and unlicensed line breaks.

We used all-terrain vehicles kitted out as mobile offices and servicing facilities to reduce downtime for the client. Using the Texo DSI 5m safety case allowed us to fully survey the area with minimal disturbance to stakeholders and local residents. The system captured both RGB and radiometric data with an workflow designed to maximise data capture efficiencies.

During the project, our ground survey team proceeded ahead of the aerial team to establish ground control points and checkpoints for the later data quality assurance and processing.



Photogrammetry and thermal survey of trunk mains

Capturing the impossible

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