You should know that the topographical surveys can be quite essential to any kind of project, regardless of the size. The use of the latest in surveying technology, the topographical land survey may uncover a lot of unforeseen issues which save the developer some money and time.
The topographical survey could offer you with an accurate representation of the surface of the ground and this can also allow you natural and manmade objects including those existing structures, boundary details, tree positions, the drainage and ground surfaces. The topographical surveys may show an area in as much detail you need which would depend on the project size as well as the terrain that is involved.
Know that information is normally gathered by the use of the electronic theodolite or total station which measures the distances and the angles between the points on the ground. This relates to the standard datum point wherein the height and location are determined already. To add more details to the survey, techniques such as 3D laser scanning or the aerial photography can be used as well. All the information that are gathered onsite can be edited and also supplied to you in whichever you would fit you best in the 2D drawings or electronic files.
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Getting that topographical survey on the project can highlight those possible issues. The distances between the surrounding properties are being recorded accurately in order to prevent potential boundary and right to light problems. The survey can also determine if you are going to build on the flood plain or when the ground is at risk for flooding. Due to climate change as well as the recent amount of heavy rainfall leading to various places getting flooded, the need for those topographical surveys has surely increased. Due to the combination of the ever increasing rainfall that puts pressure on river banks, those manmade drainages and growing population, topographical surveys have surely become a very important tool for the builders and developers.
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The type and amount of topographical survey detail which is collected on the site must be based on your specification. However, such experienced land surveyors can make use of their knowledge of planning to provide more information that could be important for any future design or application. The information can also be collected from the utility companies which may be added to topographical survey plans.
Apart from having the topographical land survey by engineers, you can as well save time for the designer of the project and minimize the risk for contractor by accurately mapping the drainage positions, water supply and those electricity cables.