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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 hills, ravines, structures, woods, walls, buildings, and also other changes on the natural state of the land. This survey also identifies the place, dimension, and vertical height of these features and the gradual changes in altitude. Topographic surveys are sometimes called contour studies and may be conducted before the land changes ownership during sales, or because the landowner is getting ready to start some major develops on the ground.
Unlike boundary survey, a topographic property study focuses more on altitude than on horizontal measurements. Many measurements are done using a surveying-quality GPS system, or by an electronic EDM device. The results of this survey are not marked with stakes and other landmarks like in other types of review. 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.
There are many uses of a topographical land survey. In some cases, they are a requirement by the government. Technicians and Architects utilize such studies to design structures or additional developments on land. 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 studies may also be utilized when identifying the suitable policy and strategies for drainage ditches, grading, or other features, using the organic landscape while the schedule for such developments. 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. A topographic survey is, therefore, essential before the commencement of any building works.
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Besides undeveloped land or developed land, this kind of land survey is also beneficial if the place has been used, but there is intended redeveloped. 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. In such cases, this survey will provide an accurate view of the way the land has been changing with its use, enabling greater planning and potential use.