Classification of Surveying

Surveying is classified by

  1. Plane surveying
  2. Geodetic surveying

Plane surveying

  • For small projects covering Area less than 195
  • Earth curvature is not counted for in distances.
  • Earth surface is considered as plane.
  • Points are visible from one another.

Geodetic surveying

  • When survey extends over a large areas more than 195 sq. km.
  • Degree of accuracy required is also great.
  • The curvature of earth is also taken into account.


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