SUV2 (Diploma Civil Engineering 4th)

1. Contouring: (05 hrs)

Concept of contours, purpose of contouring, contour interval and horizontal

equivalent, factors effecting contour interval, characteristics of contours, methods

of contouring: Direct and indirect, use of stadia measurements in contour survey,

interpolation of contours; use of contour map, Drawing cross section from a

contour map; marking alignment of a road, railway and a canal on a contour map,

computation of earth work and reservoir capacity from a contour map

2. Theodolite Surveying: (09 hrs)

Working of a transit vernier theodolite, axes of a theodolite and their relation;

temporary adjustments of a transit theodolite; concept of transiting, swinging, face

left, face right and changing face; measurement of horizontal and vertical angles.

Prolonging a line (forward and backward) measurement of bearing of a line;

traversing by included angles and deflection angle method; traversing by stadia

measurement, theodolite triangulation, plotting a traverse; concept of coordinate

and solution of omitted measurements (one side affected), errors in theodolite

survey and precautions taken to minimize them; limits of precision in theodolite

traversing. Height of objects – accessible and non-accessible bases

3. Tacho-metric surveying (04 hrs)

Tachometry, Instruments to be used in tachometry, methods of tachometry, stadia

system of tachometry, general principles of stadia tachometry, examples of stadia

tachometry and Numerical problems.

4. Curves: (10 hrs)

4.1 Simple Circular Curve:

Need and definition of a simple circular curve; Elements of simple circular

curve - Degree of the curve, radius of the curve, tangent length, point of

intersection (Apex point), tangent point, length of curve, long chord

deflection angle, Apex distance and Mid-ordinate. Setting out of simple

circular curve:

a) By linear measurements only: - Offsets from the tangent - Successive bisection of arcs

- Offsets from the chord produced

b) By tangential angles using a theodolite

4.2 Transition Curve:

Need (centrifugal force and super elevation) and definition of transition

curve; requirements of transition curve; length of transition curve for

roads; by cubic parabola; calculation of offsets for a transition curve;

setting out of a transition curve by tangential offsets only

4.3 Vertical curve

Setting out of a vertical curve

5. Introduction to the use of Modern Surveying equipment and techniques such as:

(02 hrs)

a) EDM or Distomat

b) Planimeter

c) Total station

d) Introduction to remote sensing, GIS and GPS

6 Minor Instruments:- (02 hrs)

6.1. Introduction and use of minor instruments like Ceylon Ghat Tracer,

Clinometer, Pantagraph, Abney Level etc.

6.2. Use of planimeter for computing ar