Light Detection and Ranging (LiDAR) (LiDAR)

Definition - What does Light Detection and Ranging (LiDAR) (LiDAR) mean?

Light detection and ranging (LiDAR) is a light-based method used the inspection of the interior of pipes. The technology is also used in a wide variety of applications across industries. It has been used as a compliment to CCTV to inspect sewer pipes as part of trenchless rehabilitiation operations.

LiDAR is also known as laser scanning or 3D scanning.

Trenchlesspedia explains Light Detection and Ranging (LiDAR) (LiDAR)

Developed in the 1960s, LiDAR was first used by the National Center for Atmospheric Research for meteorological studies. By bouncing off surfaces and measuring its time of return, LiDAR users are able to determine the distance of scanned objects. LiDAR is used in many different fields, from agriculture to archaeology to autonomous vehicles.

The technology has also found application in trenchless construction. By making precise measurements along the length of an old pipe, LiDAR is able to scan the pipe interior for anomalies. Once identified, a plan for rehabilitation of the pipe is put into place.

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