Go Back > Wet and Dry Tunnel Inspection by a Crawler

In this project, a small crawler visually inspected the interior, dry parts of a pipe and used an ultrasonic thickness (UT) gauge and sonar to acoustically image the flooded pipe sections.

Sonar of pipe half full of sediment with diffusers rising from crown.	Crawler entering dry portion of siphon for visual inspection and carrying sonar for wet part of inspection.

Sonar of round pipe with no significant features.