UNIT 1:
Principles and basic concepts and uses of surveying
classification and basic methods of surveying
Direct and Indirect methods
Method of Chaining on level and sloping ground
Linear measurement and offset setting
Use of Dumpy of level - limitation - handling – shifting- Simple levelling - temporary adjustments
UNIT 2:
Principles of chain surveying
selection of survey stations and lines
Offsets, types, Measurement
cross staff and optical square
Steps involved in Chain Survey - Reconnaissance, Index sketch, Reference sketch, Booking entries in field book
Plan and Map, Scale - Plain and Diagonal
Testing of Chain, Degree of accuracy in chaining
Errors and compensation - cumulative, mistakes - Determination of limiting length of offset and problems.
Chain traversing of cropped area and error correction.
Contouring – Direct / Grid method-Plotting of contour - preparation of map - Computation of volume
UNIT 3:
Formulae for calculation of cross sectional area
Coordinate method of finding area-Computation of volume
Area computation by plane table survey - radiation method
Computation of Area from field notes and plot plan
UNIT 4:
Basic terminologies of Compass traversing
Prismatic and Surveyors Compass
Checking the accuracy of traverse
