Question

Draw sketch and explain method of traversing of plane table surveying. 

Answer 1

Procedure: 1.Set plane table over station A use plumbing fork for transferring station point from ground on sheet. Draw the direction of magnetic meridian with the help of compass. 2. With the alidade pivoted about ‘a’ sight it to B and draw a ray. Measure AB and scale off ‘ab’ to some scale similarly draw a ray towards E measure AE and plot ‘e’ 3.Shift the table to B and set it. Orient the table accurately by back sighing A. clamp the table 4.Pivoting the alidade about ‘b’,sight to C. measure BC and plot it on the drawn ray to the same scale Similarly, the table can be set at other successive station and traverse is completed.