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Topographic Land Surveys: A Guide Many people are aware of a land survey but the type of study they are familiar with is that which involves demarcation, and they do not know whether there are other forms of a land survey that exist. There is also the topographical survey which homeowners, those in construction sector or environmental sector can use. The aim of a topographic land study will be to note the natural and human-made physical feature inside a land. These can sometimes include slopes, ravines, avenues, woods, walls, structures, as well as other developments within the natural condition of the property. A study like this demonstrates the positioning, measurement, and height of those types of events, together with progressive changes in altitude. Topographic surveys are occasionally known as contour studies, and they are usually performed before land ownership changes or may be when the property owner wants to do some developments. Unlike land surveys involving the boundaries, topographical land surveys concentrate on altitude and elevation than on horizontal dimensions. In this survey, most measurements are carried out using a surveying quality GPS unit or an electronic EDM device. The outcomes of the study are not designated using levels or other attractions as in other ordinary surveys. Alternatively, this survey makes use of contour lines on maps of a location. Nowadays, advancement in technology allows the use of digital computers and programs for digital conversion of maps and interactive elevation display of the land. The data may be used in AutoCAD programs, where it could be controlled by designers or engineers to show the way the topography will transform through the planned changes. Topographic land studies have several uses. In some cases, they might be required from the government. Many engineers and architects use these surveys to come up with buildings and further modifications on an existing property because the current features on a land influence style and decisions on where to build a structure on land. All construction tasks start with this type of topographic land survey, which describes the starting place of the land before any changes begin.
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Topographic surveys may also be used when deciding the proper policy for drainage ditches, grading, or other features, utilizing the natural topology as the basis of such changes. The study will also establish the slope of the land which is very vital when you have a construction plan on the land; a slope of 8 degree is economical when building, but when it exceeds this, the building becomes very costly due to the nature of foundation and other materials. Therefore, considering topographic survey before investing in any land is crucial such it will help to determine what features can be constructed on the land.
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Aside from undeveloped land or land with structures, this kind of land study can also be beneficial to a place which had been used and now needs to undergo redevelopment. For instance, a topographic survey is necessary where a building has been demolished, a quarry land, landfill or another place where activities on land may lead to topographical changes. A topographic survey provides a precise display of how the activities on the land have influenced the topography and help in the better planning of land use.