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The Need for Topographic Surveys 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 purpose of the topographic land survey is to point out the natural and human-made features in a piece of land. These can sometimes include slopes, ravines, avenues, woods, walls, structures, as well as other developments within the natural condition of the property. A survey like this reveals the location, measurement, and height of these types of features, as well as progressive changes in level. Topographic surveys are sometimes called contour survey, and it is carried out on land before ownership changes. Unlike boundary survey, a topographic property study focuses more on altitude than on horizontal measurements. The instruments that most engineers use for this study are the surveying quality GPS device and the electronic EDM instrument. The outcomes of the study are not designated using levels or other attractions as in other ordinary surveys. Alternatively, they are displayed as contour lines on the map of the area. Today, sophisticated computer packages enable electronic designs of these maps, as well as interactive elevation view of the land. This data may be employed in AutoCAD plans, where it may be manipulated by engineers or architects to exhibit how topography may adjust through the proposed developments. Topographic land studies have several uses. In some cases, they may be required by the government. Technicians and designers use such surveys to design buildings or other changes to be done on land, as current features may affect their design or decisions on where you should locate a building on a property. It is necessary to commence all construction works with a topographical survey so that you can determine the starting point and future improvements.
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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 report any gradients on the land, which is significant if you are considering building on the land, as an 8-degree angle adequate for construction while any gradient that is above eight which have serious financial implications with regards to physical requirements for construction. Having a topographic survey done ahead of buying the land could make sure that the land has typical features.
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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, topographic surveys might be done on land which had a structure, and it has been demolished, or of a quarry, landfill, or other places with changing topographic data. In these cases, this survey gives critical information regarding how land topology has changed over time, and this allows for appropriate planning.