Data Collection via Topographic Surveys

The word “Topography” derives from Greek and stands for the consideration of the figure and features of the world’s surface. As a resultit likewise pertains to the description of said shapes and features - particularly via the utilisation of maps.

The use of Topography is so that the placement of any point can be determined in terms of longitude, altitude and latitude. Being effective to do this is basic when engineering, constructing & planning and in the main anything in the field of civil engineering.

So, it’s significant that before any structure design is began that a topographic survey is carried out waiting to supply key members of the project, such as developers, authorities & architects with the data they need to make crucial decisions.

Virtually all topographic surveys will provide this info in the form of a highly accurate 2D or 3D land drawing.

There are many ways a Topographic Survey can be implemented:

Direct Survey/Surveying: will accurately discover the fix of points and the distances and angles between them by employing instruments such as dumpy levels, clinometers & theodolites.

Remote Sensing: The data is composed from a distance.

Satellite: aerial images are utilized.

Photogrammetry: measurement of points is defined by two or more pictures taken from other positions.

Radar / Sonar: Specially used when mapping the sea floor.

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