CLEVERSCAN / KNOWLEDGE & PRACTICE

Georeferenced manhole inspection

What the point cloud provides – and what is additionally required for position and elevation.

ARTICLE / POSITION

Georeferenced manhole inspection

CleverScan generates the geometric point cloud of the structure. Supplementary surveying equipment is required for plan and elevation reference. If it is integrated from the outset, inspection, geometry and spatial referencing can be combined in one workflow.

Practice & application

Approx. 21 kg system weight. No dedicated inspection vehicle. Laser-based measurement even where drivable access ends.

  • optical condition documentation plus surveying
  • capture of manhole wall and invert
  • dense point cloud as a planning basis
  • hard-to-reach or non-drivable structures
  • as-built documentation, maintenance and rehabilitation planning
  • spatial referencing with supplementary surveying equipment
Q&A

Technical questions

Is the point cloud automatically georeferenced?

No. Absolute position and elevation references require additional surveying equipment and suitable control points.