In order to produce the data quickly and accurately, we used both GPS and total station survey methods. Once all the data is collected and processed, we produced a drawing of the topographic survey for the client, aswell as the 3D ground model in the format requested by them. In order to produce the data quickly and accurately, we used both GPS and total station survey methods. Once all the data is collected and processed, we produced a drawing of the topographic survey for the client, aswell as the 3D ground model in the format requested by them.