What are the important areas of application of levelling in surveying?

Important areas of application of levelling in surveying

Applications

  • For planning and estimating project works like roads, bridges, railways, airports, water supply and waste water disposal surveying is required.
  • Taking rail levels existing before track renewals to finalize final rail level profile including vertical curves.
  • It is also useful in construction of roads, to calculate CUT & FILL in a road project, deciding slope on side for draining purpose.
  • While lying of the pipeline to ensure appropriate slope of the land that will allow smooth movement of the liquid in the transit.
  • For preparing the contour map to determine the best possible route and amount of earthwork required.
  • For preparing the engineering map showing engineering details like highways, railways, canals, dams, reservoirs, etc.
  • For preparing the topographical map which shows hills, rivers, forests, valleys, etc.

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