Using Laser Scanning for Site Grading Verification and Hydraulics Calculations

Previously Recorded on November 5, 2015

Laser scanning is an effective way of capturing as-built data for construction. Often times, existing site conditions need to be captured for the purpose of validation and analysis. Using terrestrial laser scanning to capture site terrain data can be challenging and requires specific techniques for coordinating with survey control. In this presentation, we will discuss techniques for capturing site data, registering it with survey control points, and we will look at the ways laser scanned topographic data can be used to verify site grading, hydraulics calculations, and volume measurements.

Key Takeaways:

  • Capturing Site Information with Terrestrial Laser Scanning
  • Capturing Existing Site Survey Control Coordinate System
  • Transforming Laser Scanned Data to Survey Control Coordinates
  • Comparing Laser Scanned Data Against Proposed Site Grading Plan
  • Calculating Actual Volumetric Quantities from Laser Scanned Data


Zoltan Ferenczy

Zoltán Ferenczy, 3D Documentation Technical Specialist, Repro Products


Sean Higgins

Sean Higgins, Editor, SPAR 3D

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