Compass surveying material EnggAssistant & ward amenities aspirants,

According to the method employed, surveying is classified into Triangulation surveying and Traverse surveying. A series of connected survey lines of known lengths and directions is called a traverse. When triangulation is not possible, traversing method is used. In traversing, when compass is used for making angular measurements, it is known as compass traversing or compass surveying.

Some Points about Compass surveying

1. When the survey work is to be completed quickly

2. When the area is hilly and chaining is difficult.
3. When the area to be surveyed is relatively large.
4. When the details are too many.
5. When the area is can not be divided into network of triangles.
6. When the area to be surveyed is long and narrow e.g. road, stream etc.
7. When the survey is to be done through dense forest.

 

 

Some Key points

1. Closed traverse is a traverse in which the sides of a traverse form a closed polygon.
2. Open traverse is a traverse in which the sides of a traverse do not form a closed polygon.
3. Meridian is a standard direction from which, the bearings of the lines are measured.

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