Unit I: Compass and Plane Table Surveying.(Plane Table part 1), SE unit 1 , Part 7 Surveying

a) Definition, objective and fundamental classification of surveying (Plane and Geodetic),
concept of Scale, Ranging, Chaining, Offsetting and Traversing. Concept of bearing,
meridian and their types, construction and use of prismatic compass, local attraction and
correction for local attraction, dip, declination and calculation of true bearings.
b) Equipment required for plane table surveying and their uses, advantages and
disadvantages, methods of plane table survey: Radiation, intersection, traversing