Selection of site for dam
SELECTION OF SITE FOR DAM

Selection of site for dam

SELECTION OF SITE FOR DAM

Following points should be considered while selecting the site for the dam.

  • Suitable foundation for the dam should be available.
  • The width of the river at dam site should be minimum so as to keep the length of the dam minimum and thus economical.
  • In order to provide large basin for the reservoir, the site should open out upstream.

selection of site for dam

  • If river is deep, but there is raised bed level existing, the dam should preferably be located at the raised bed.
  • This will help in keeping height of the dam less. Such a situation.
  • Proper separate site for location of spillways should be available.
  • If separate spillway site is not available, the width of the river should be sufficient to locate spillway in the dam proper.
  • The materials of construction for the dam should be locally available.
  • Very costly land should not submerge in water because of the construction of the dam.
  • The site should be well connected either with railway or highway or both.
  • This will facilitate transport of cement, machinery and other materials required in the construction.
  • The site should be such that leakage through its sides and bed is minimum.
  • Highly permeable rocks should be absent from the site.
  • Site should such that the reservoir developed is deep and having minimum spread of water.
  •  Site should be such that the tributaries carrying very high content of silt do not lead to the reservoir developed by the dam.

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