  Nowadays, static, mobile, terrestrial, and airborne laser scanning
technologies have become familiar data sources for engineering work, especially
in the area of land surveying. The diversity of Light Detection and Ranging
(LiDAR) data applications thanks to the accuracy and the high point density in
addition to the 3D data processing high speed allow laser scanning to occupy an
advanced position among other spatial data acquisition technologies. Moreover,
the unmanned aerial vehicle drives the airborne scanning progress by solving
the flying complexity issues. However, before the employment of the laser
scanning technique, it is unavoidable to assess the accuracy of the scanner
being used under different circumstances. The key to success is determined by
the correct selection of suitable scanning tools for the project. In this
paper, the terrestrial LiDAR data is tested and used for several laser scanning
projects having diverse goals and typology, e.g., road deformation monitoring,
building facade modelling, road modelling, and stockpile modelling and volume
measuring. The accuracy of direct measurement on the LiDAR point cloud is
estimated as 4mm which may open the door widely for LiDAR data to play an
essential role in survey work applications.
