There are many different types of surveys but three of the more commonly used ones are topographical surveying, land surveying and underground utilities surveys. Exploring and understanding the various types or surveys and surveying is simple when you know how.
Topographical Surveys or Topo surveying
Topographical Surveying may be the study and measurement of the Earth's surface. This may reveal what natural or man-made geographical features exist within an area, large or small, the contours and shapes of the features themselves and also vegetation and the influence of human presence. The object of all this is to make a three-dimensional map.
In order to provide this sort of accurate detail of the various levels and contours of the land, aerial surveys are conducted, and then at walk out survey teams with portable surveying equipment establish vertical and horizontal control points to confirm accuracy. In https://surveyingserviceslondon.co.uk/best-utility-surveyors-london/ is collected and generated electronically.
Fed with all the current data, computers combine distances, angles, and elevations and produce pictures, using contour lines, hypsometric tints and relief shading.
Land Surveys and surveying
Land Surveying may be the measurement and accurate determination of the 3d positions of various points on a terrain. The objective of this is generally to find out boundaries. Surveyors produce land maps marking out regions of private, communal or government ownership limits. That is constantly being done whenever there are serious property rights disputes or changes are planned for the region, such as for example for sub-dividing properties, new residential or town-planning layouts, when roads or other engineering structures are planned, or for the determination of ancient boundaries for historical or archaeological purposes.
Underground Utilities Surveys (electricity, Gas, Water and Television)
Underground Utilities Surveying has to be one of the tricky and difficult forms of exploration. Surveyors have to know what is underground and cannot be seen. Before any development can take place it needs to be discovered what, if anything lies under the ground. These could be drains, electrical or gas cables, sinkholes, water pipes or water pockets or buried tanks.
The first level of exploration is to collect every drawing, plan or little bit of electronic data available for the area. This is not totally accurate, but gives an idea of what installations were situated in the immediate area.
The next level involves picking out visible features, such as for example manholes, inspection hatch covers, meters, electrical poles, etc. Straight lines showing the shortest distance between them are drawn, and this narrows down the search. However these lines cannot continually be totally relied on as rocks along with other underground barriers can cause deviations, and sometimes the pipes or cables don't run from the centre of each inspection element to the next, but slightly to 1 side or the other.
An indirect survey involves the most recent technology, such as radar that penetrates the ground, X-rays, and frequency resonance. If uncertainty still persists, the final step is drilling or digging potholes at regular intervals to confirm the data collected by the above methods.