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What are the stages of a Topographical Survey development?

All of the building project work begins with the creation of a topographical survey.

A topographical survey shows all of the surrounding natural and man-made features, types, and heights of the surface in the surveyed area. Using a topographical survey the architect can easily carry out the design work, even without going to the site, because all the information about the object is provided by the surveyor.

Stages of topographical survey development:

1.- Ordering the service of topographical survey

2.- Site measurements

3.- Office-based measurement processing and plan drawing

Here at Survey Hub we use the latest robotic measurement equipment, which is much easier to work with, compared to the older instruments or techniques. For drawing the plans our company uses engineering software called n4ce and worldwide known software AutoCad.

One of our recent topographical surveys has been carried out in Carburton, Worksop. Our client required a survey of nearly 450 meters of Ollerton road and around 380 meters of the south-eastern crossroad to Piper lane. This site has been surveyed for two days, using a Leica robotic total station and Trimble GPS. Due to the location being surrounded by the forests, there was a very poor internet connection, so the team of surveyors struggled to start the survey. The Internet is required for the GPS rover to connect to satellites and give the precise coordinates and heights of the points taken on the ground. Once the GPS connected to the internet, our surveyors managed to measure the majority of Piper lane and surrounding features like gravel tracks, hedge lines, and fields of crops.

Piper Lane (gravel track)  and surroundings

The second day started with the measurement of the main Ollerton road, this included buildings, overhead cables, trees, hedges, ditches, manholes, and all of the surface changes. This time surveyors used a Leica total station because it has laser reflectorless technology and it can measure the places close to the buildings or trees while the GPS needs an open area to stay connected.

Measurements of Ollerton road

When the surveyor team finished their survey then back at the office, they were able to transfer the measurements of both days and create the model of the surveyed area.

Most of the drawing has been processed using the n4ce software while AutoCad is used for the final touches of completing the topographical survey plan. The plan has been issued in 2D and 3D formats which helps the client to see the changes of surface levels for the whole of the surveyed area.

Sample of Ollerton Rd and Piper Ln crossroad 2D n4ce software processed drawing.

Sample of Ollerton Rd and Piper Ln crossroad 3D n4ce software processed drawing.

The topographical survey has been done to the client’s needs and shows all the existing features that were at the area of the required survey. The issued 2D and 3D plans will allow the architects to carry out design and construction works at a later stage of work.

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