These can range from a basic boundary & level surveys, often used for initial feasibility studies to fully detailed topographical surveys which includes all significant above ground level features.

A topographical survey is an accurate detailed depiction of a site or piece of land which is scaled and detailed according to the spatial considerations and is the summary of the on-site data capture process.

Usually the points depicted are used to create ground modeling and visualisations.

They are also useful to understand characteristics of a site including identification of diverse gradient transects, spot heights of surrounding land and utilities underground.