Rain Water Harvesting METHODOLOGY
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Rain Water Harvesting METHODOLOGY

1. In designing rainwater-harvesting system, capturing rainfall run off from the roads and creating artificial connectivity to sub surface water in the hygienic manner is the key concept.

2. The effectiveness of the concept lies in reasonable cost, coverage of large areas and immediate implementation and immense benefits in terms of additional water availability, improvement in water quality, increased plantation, maintaining eco-balance, reducing the cost on maintenance and repairs of roads and many fold increase in life of the roads.

3. Storm water harvesting along both the sides of roads with the help of suitable, simple structures, would not only control storm water hazards in cities, but will enhance ground water availability 8 to 10 times compared to natural process of rainfall infiltration.

4. The location and design of sustainable storm water harvesting system require hydro geological study of the area as well as sub surface information of most permeable zone. Besides, average rainfall and rainfall intensity need to be analyzed as per climatic zones .

5. Based on normal rainfall and peak rain fall intensity, the storm water harvesting system is designed in such a way that 70-80 % runoff of roads and paved area is sent back to ground water regime after natural filtration process based on Rate of Recharge after Recharge Test on existing wells/pits. .
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Rain Water Harvesting METHODOLOGY - by drskjain - 07-24-2014, 06:46 AM

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