Surveying

What is Surveying? 

Surveying is the act of examining and recording the measurements, features, etc. of an area of land in order to make a map or plan of it.

Surveying is the art of determining the relative positions of distinctive features on the surface of the earth or beneath the surface of the earth, by means of measuring distances, directions and elevations.

 

Primary Divisions of Surveying

1) Plane Surveying

2) Geodetic Surveying

 

Classification of Surveys 

a) Classification based upon the nature of the field

1) Land Surveys:              

i) Topographic surveys

ii) Cadastral surveys

iii) City surveys

2.     2) Hydrographic Surveys

3.     3)Astronomical Surveys

 

b) Classification based on the purpose of the survey

1.      1) Engineering Surveys

2.     2) Military or Defense Surveys

3.     3) Mine Surveys

4.     4) Geological Surveys

5.     5) Archaeological Surveys

 

c) Classification based on instruments used

1.      1) Chain surveying

2.     2) Compass Surveying

3.     3) Plane Table Surveying

4.     4) Theodolite Surveying

5.     5) Tacheometric Surveying

6.     6) Triangulation Surveying

7.     7) Aerial Surveying

8) Photogrammetric surveying