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Chapter: Civil - Water Resources and Irrigation Engineering

Water Resources Project Planning

The goals of water resources project planning may be by the use of constructed facilities, or structural measures, or by management and legal techniques that do not require constructed facilities.

Water Resources Project Planning

 

ü        The goals of water resources project planning may be by the use of constructed facilities, or structural measures, or by management and legal techniques that do not require constructed facilities.

 

ü        The latter are called non-structural measures and may include rules to limit or control water and land use which complement or substitute for constructed facilities.

 

ü        A project may consist of one or more structural or non-structural resources.

 

ü        Water resources planning techniques are used to determine what measures should be employed to meet water needs and to take advantage of opportunities for water resources development, and also to preserve and enhance natural water resources and related land resources.

 

ü        The scientific and technological development has been conspicuously evident during the twentieth century in major fields of engineering.

 

ü        But since water resources have been practiced for many centuries, the development in this field may not have been as spectacular as, say, for computer sciences.

 

ü        However, with the rapid development of substantial computational power resulting reduced computation cost, the planning strategies have seen new directions in the last century which utilises the best of the computer resources.

 

ü        Further, economic considerations used to be the guiding constraint for planning a water resources project.

 

ü        But during the last couple of decades of the twentieth century there has been a growing awareness for environmental sustainability.

 

ü        And now, environmental constrains find a significant place in the water resources project (or for that matter any developmental project) planning besides the usual economic and social constraints.

 

Priorities for water resources planning Water resource projects are constructed to develop or manage the available water resources for different purposes. According to the National Water Policy (2002), the water allocation priorities for planning and operation of water resource systems should broadly be as follows:

1. Domestic consumption

 

This includes water requirements primarily for drinking, cooking, bathing, washing of clothes and utensils and flushing of toilets.

 

2. Irrigation

 

Water required for growing crops in a systematic and scientific manner in areas even with deficit rainfall.

3. Hydropower

 

This is the generation of electricity by harnessing the power of flowing water.

4. Ecology / environment restoration

 

Water  required  for  maintaining  the  environmental  health  of  a

 

region.

 

5. Industries

 

The industries require water for various purposes and that by thermal power stations is quite high.

6. Navigation

 

Navigation possibility in rivers may be enhanced by increasing the flow, thereby increasing the depth of water required to allow larger vessels to pass.

7. Other uses

 

Like entertainment of scenic natural view.

 

This course on Water Resources Engineering broadly discusses the facilities to be constructed / augmented to meet the demand for the above uses. Many a times, one project may serve more than one purpose of the above mentioned uses.


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Civil - Water Resources and Irrigation Engineering : Water Resources Project Planning |


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