Course

Unit 1

Introduction – classification of surveys – reconnaissance – principle of working from whole to part – provision of control – conventional signs.

Principles, linear, angular and graphical methods: Chain survey – instruments – principles of chain survey – field book – plotting – tie line and check line. Compass survey – types of compass – types of bearings – dip and declination – local attraction – traversing – plotting – error of closure. Plane table survey – two point problem – three point problem – errors in plane tabling.

Unit 2

Levelling – levelling instruments and its adjustments – fly levelling – booking – corrections for refraction and curvature – reciprocal levelling – longitudinal levelling and cross sectioning – contour surveying – definition – characteristics, methods and uses of contouring – plotting.

Areas and volumes – earthwork volume calculation.

Triangulation and Trilateration: Theodolite surveying – study of theodolite and its adjustments – measurement of horizontal angles – vertical angles – intervisibility of heights and distances – theodolite traverse –triangulation – network – calculation of co-ordinates – corrections – traversing conditions for closure.

Unit 3

Tangential system – direct reading tacheometer – subtense bar – trigonometric levelling.

Curves – elements of simple, compound, transition and reverse curves – vertical curves – curve setting by various methods.

Minor instruments: hand levels – clinometer – Ceylon ghat tracer – hypsometer – pantagraph – ediograph – box sextant – telescopic alidade.

Modern field survey systems: EDM – total station – introduction to photogrammetry -electro-magnetic spectrum – remote sensing – global positioning systems – Geographic information systems – advantages and applications.

Course Objectives

1. To highlight the importance of linear/angular measurement methods in site plan preparation
2. To impart basic skills of levelling and theodolite
3. To explain about errors in measurements and their adjustments in a
4. To provide an exposure on the use of minor and modern instruments in surveying

Course Outcome

CO1: Understand the principles, types and methods of surveying, to apply them in practice with minimum or no error

CO2: Analyse and rectify the errors in the horizontal-linear and horizontal-angular measurements to calculate area.

CO3: Analyse and evaluate the measurements in leveling to obtain reduced levels, contour lines and earthwork estimation.

CO4: Analyse and evaluate the horizontal and vertical coordinates using a theodolite

CO5: Understand and use minor instruments and advanced technologies in surveying.

CO-PO Mapping

Text Book(s)

Kanetkar T.P. and Kulkarni S.V., “Surveying and Levelling”, Vol I & II, Vidyarthi Griha Prakashan, 2006. Arora K.R., “Surveying”, Vol I & II, Standard Publishers, 2010.

Reference(s)

Bannister, A. and Baker, R., “Solving Problems in Surveying”, Addison Wesley Longman, 1996. R.Agor, “Textbook of Surveying and Levelling”, Khanna Publishers,2012.

S.K Duggal, “Surveying”, Vol 1 & 2, McGraw Hill Education, 2013. R.Subramanian, “Surveying and Levelling”, Oxford University Press, 2012.

Pradip Kumar Guha, “Remote Sensing for the Beginner”, Affiliated East West Press, 2003