SV (B-TECH civil engineering 3rd)

Introduction: Definition, principles of surveying, different types of surveys, topographical map,

scale of map.

Chain and Compass Surveying: Measurement of distances with chain and tape, direct &

indirect ranging, offsets, bearing and its measurement with prismatic compass, calculation of

angles from bearings.

Plane Table Surveying: Setting up the plane table and methods of plane tabling.

Levelling & Contouring: Setting up a dumpy level, booking and reducing the levels by rise &

fall method and height of instrument method, correction due to curvature and refraction,

characteristics of contours, methods of contouring, uses of contour maps.

Theodolite Traversing: Temporary and permanent adjustments, measurement of horizontal and

vertical angles, adjustment of closing error by Bowditch & Transit rules.

Tachometry: Definition, determination of tachometer constants and reduced level from

tachometric observations.

Triangulation: Selection of stations and base line, corrections for base line, satellite station and

reduction to centre.

Curves: Elements of a simple curve, different methods of setting out of simple circular curve