Civil CAD - Surveying

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Surveying

Description

Surveying (or geomatics) is the science of surveying (measuring) and mapping the face of the earth. Mapping forms the foundation of physical planning and land development. A surveyor is responsible for the collection, representation, analysis, management, retrieval and modelling of spatial data (natural and man-made features on the earth). It involves fieldwork for data capturing and computer data processing.

Topographical surveying determines the positions of natural and man-made features on the earth, and is used for planning and land development.

Engineering surveying the surveys required to control and monitor the building of roads, bridges, tunnels and structures.

Photogrammetrymapping from aerial photographs and compiling 3-dimensional digital terrain models of the earth.

Geographic Information Systems (GIS) spatial data acquisition, analysis and management.

Cadastral surveying marking property boundaries and relocating them.

Hydrographic surveying mapping of the seabed andcoastlines.

Purpose and Rationale of the qualification
To be able to survey, collect and present spatial data in different forms, and set out and control positions of structures on the ground of basic engineering works.

Syllabus1

Syllabus2

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Job Opportunities

Benefits

Some of the numerous functions of surveying are given below.

  • Topographical maps showing hills, rivers, towns, villages, forests etc. are prepared by surveying.
  • For planning and estimating new engineering projects like water supply and irrigation schemes, mines, railroads, bridges, transmission lines, buildings etc. surveying is required.
  • Cadastral Map showing the boundaries a field houses and other properties are prepared by surveying.
  • Engineering map showing the position of engineering works like roads, railways, buildings, dams, canals etc. are prepared through surveying.
  • To set out a work and transfer details from map to ground knowledge of surveying is used.
  • For planning navigation routes and harbors, marine and hydro-graphic surveying are used.
  • To help military strategic planning, military maps are prepared by surveying.
  • For exploring mineral wealth, mine survey is necessary
To determining different strata in the earth crust, geological surveys are required
Archaeological surveys are used to unearth relics of antiquity.




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