Basics of Surveying in Civil Engineering

Definition of Surveying

The art and science of making such measurements as are necessary to determine the relative position of points above, on, or beneath the surface of the earth, or to establish such points in a specified position.

Importance of the Surveying for civil engineers
  • The planning and design of all Civil Engineering projects such as construction of highways, bridges, tunnels, dams etc. are based upon surveying measurements.
  • During execution, project of any magnitude is constructed along the lines and points established by surveying.
  • Surveying is a basic requirement for all Civil Engineering projects.

Other principal works in which surveying is primarily utilized are

  • Fix the national and state boundaries.
  • Chart coastlines, navigable streams and lakes.
  • Establish control points.
  • Execute hydrographic and oceanographic charting and mapping.
  • Prepare topographic map of land surface of the earth.


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