Question

explain plan table survey​

Answer 1

The plane table surveying is the fast method of surveying. In this type of surveying plotting of the plan and field observations can be done simultaneously. In case of plane table surveying Geometrical conditions of site are manuscript in the map sheet using plane table and alidade after that topographic details are arranged on the map.

Answer 2

Answer:

Plane table survey is a graphical method of surveying in which the instrument named plane table is taken in use. The general definition of plane table surveying is given as - “Plane table surveying is a graphical method of surveying of various plots, requiring several tools, in which field observations/work and plotting of points on the drawing sheet are carried out simultaneously.”

Some effective information related to plane table surveying:

• Plane table survey is typically also known as “Plane Tabling.” Its name itself describes how the surveying for a pre-planned area is to be done with it.
• The principle on which plane table surveying works is Parallelism.
• The foremost feature of plane table surveying is that the topographical features of an area to be mapped are in full views. It helps surveyor to perform survey work with minimum errors.
• The plane table surveying comes into existence for the area when compass surveying fails to perform and areas where compass surveying can't be delivered for use.