TOPOGRAPHY SURVEY
Unit 1: Contouring
Contour interval, selection of contour interval, characteristics of contour, uses of contour, contouring by various methods.
Interpolation of contour by various methods, computation of volume, establishment of gradient by abney level.
Unit 2: Cadastral Map
Familiarisation with cadastral map, terms used in cadastral survey, preliminary knowledge for preparing a site plan.
Calculation of area by digital planimeter.
Unit 3: Cartographic Projection
Importance of cartographic projection, uses of various types of cartographic projection for mapping.
Unit 4: Hydrographic Survey
Introduction of hydrographic survey.
Practice various methods of water depth measurement process, flow velocity measurement, and determination of cross-sectional area of a river.
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