Control surveys are used to establish highly accurate positions (horizontal control) and elevations (vertical control) of select points or stations...Read More..
Topographic Maps Show topography together with natural and artificial features such as streams, lakes, buildings, highways, etc...Read More..
A contour may be defined as a line of intersection of a level surface with the surface of the ground. This means every point on the contour line...Read More..
A survey of the earth's surface along a particular route in the compilation and updating of topographical, geological, soil, and Ground-level route surveying...Read More..
The volume of cutting or filling of each in a road,railway,canal etc. is known as earth work. It is necessary to compute...Read More..
Setting out is the reverse process of a site survey, involving the extraction of data from a drawing to accurately mark...Read More..