The Pros And Cons Of Coordinate Based Cadastre

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With the advance of technology there is a new form of survey that is creating a lot of debate. It is called Coordinate based Cadastre. A GPS/GNSS based system of survey. In today’s world of surveying the debate is, whether to stay with the tried and true methods that are in place today for surveying, or do adapt and embrace the ever advancing new technology in the form of a coordinate based cadaster. This debate is being felt all over the world. Many provinces in Canada and other countries of the world are starting to look at the feasibility of incorporating this new technology. However, I will be concentrating on Canada for now.
Seeing as the old and new system are capable of creating Cadastres lets first look at what a Cadastre is. Every
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Both methods will have their strengths and weaknesses. There are many surveyors in the industry right now that are of the opinion that survey boundaries must be monumented. (Ballantyne, 2008) However the fact is that there are a lot of surveys that have not been monumented due to using natural features or riparian surveys (water boundaries or high water mark) (Ballantyne, 2008) The layout of a project with both methods you are required to tie into a known point. With traditional methods you are required to transport that known point to the worksite by means of traversing the information by laying out a level circuit. With GNSS you can set up on your control marker then travel straight to the job site and access that information wirelessly. The big difference in this situation is time and money. When laying out property for construction, stakes will be used to mark boundaries, which are inevitably disturbed throughout the construction process. When replacing these stakes, using traditional methods, the complete process must be repeated; however, using GNSS, the point can be found quicker as you only need to mark that one or two points. Over time after a survey has been monumented the reliability of the monument is called into question when doing a resurvey. Some monuments are lost over time some are disturbed and some are …show more content…
Currently most of that same legislation does not dictate how coordinate based surveys are to be conducted. It is either just not mentioned or provides very little detail as to what the control parameters are. (Alberta Queens Printer, 2013). This can be traced back to the reluctance of the survey community to accept coordinate based cadastres. They do not know if it is an acceptable means of survey so they are not willing to legislate it just

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