I think we all have seen this guy, standing on the roadside looking through a telescope and we might have wondered what he is doing? Well, this gentleman is called a “Surveyor” and he is performing an activity which is called “Surveying”.
So what exactly is Surveying?
Surveying is basically a process of locating points on Earth’s surface by finding their coordinates. These coordinates could be in the form of:
- 2 Dimensional – which tells the position of a point
- 3 Dimensional – which tells the Position as well as elevation of a point
These coordinates are essential to find the relative difference between the points. The relative difference simply means how high/low a point is with respect to another point or what is the distance between a point A and point B.
By surveying, we can:-
- Estimate the amount of Earthwork required for a project.
- locate a structure which is given on a construction plan, to the actual site
- Creating maps
- Locate the boundary line of our area
and so on…
Finally, the technical definition of surveying is:
“The process of locating the relative positions of points on, above or beneath the surface of the Earth by direct or indirect measurements of distance, elevation, and direction.”2