Advantages of lining

  • Reduction in seepage losses: The seepage losses are substantially reduced by providing lining. Thus water saved can be used to irrigate more area in the command.
  • Reduction in water logging: Seepage through the unlined canal is the main source of waterlogging. This is minimized by providing lining of canals.
  • Higher velocities can be permitted: The lining offers higher velocity of flowing water in the canal. Due to a smooth surface, the roughness is reduced.
  • Steeper bed slope can be provided: The canal bed slope can be made steeper which increased the velocity of the flowing water and reduces evaporation losses, the water reaches the land quickly.
  • Reduction in maintenance cost: The lined canal will have less annual maintenance since the growth of weeds, silt etc. can be minimized.

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