Short Course on Surveys – Getting to Square 1

The Need for Topographic Surveys The land survey that almost all individuals are aware of, a survey marking the boundaries of a little piece land is just one of a variety of types of land surveys. A topographic land survey works extremely well for homeowners or those within the construction industry or environmental industry. The purpose of the topographic land survey is to point out the natural and human-made features in a piece of land. These features can include slopes, ravines, channels, bushes, walls, structures, along with other changes within the natural condition of the land. 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 border or residential area surveys, a topographic land survey focuses more on heights than on horizontal measurements. 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. Instead, they are introduced as contour lines on the maps of an area to show altitude. Today, advanced computer packages permit electronic presentation of those plans. The information can be utilized in AutoCAD applications, where it may be modified by technicians or engineers to exhibit the way the topography may vary through the planned changes. 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. All construction jobs begin with this kind of topographic property study, which explains the start off point of the land.
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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. From the survey, you will determine any slopes within the land which can influence any construction plans and usually 8-degree slope is suitable for construction while a slope that exceeds that will have high requires during construction thus being expensive. 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, 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. 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.