Topographic Surveying and Mapping

The  purpose of a topographic survey is to collect survey data about the  natural and man-made features of the land, as well as its elevations.  The final deliverable is also called a base map or topographic map (Topo  for short).

This category of survey can be very helpful to home  owners, industrial owners, or even for properties under construction. A  topographical survey will provide exact records of the size, elevation  and position of different modifications that have occurred over the  course of time, providing a snapshot or baseline of the parcel.

In  topographical surveys, most of the measurements are done with a survey  grade GNSS unit or with a Total Station. The results of the survey are  presented in the form of contour lines or a 3D model (3D terrain  modeling is become the industry standard with advancements in software  and hardware creating a full visual representation is extremely  helpful), as well as line-work depicting the features of the property.

There  are many uses for a topographic land survey. Engineers and architects  can use the survey results for designing buildings and other  improvements. In general, most construction projects typically begin  with a topographic survey, because it provides the framework of the land  before improvements are made. Additionally, a topographical survey is  used for the formulation of an optimal plan for drainage ditches,  grading and other features. The results render all the minute details  like the elevation of slopes which may be useful figures particularly if  you are intending to build on the land.