1 catchment area 2 transportation 3 first flush 4 storage system 5 delivery system 6 filtration system 8.
Roof water harvesting ppt.
This technique is particularly useful in dryland hilly urban and coastal areas.
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The first flush of rainwater after a dry season should be allowed to run to waste as it will be contaminated with dust bird droppings etc.
The surface that receives rainfall directly is the catchment of rainwater harvesting system.
In rooftop harvesting the roof becomes the catchments and the rainwater is collected from the roof of the house building.
In the areas of regular rainfall the perfect alternative to overcome the water.
Roof top rain water harvesting system.
Our earth is covered with 75 of water and 25 of land but water scarcity is a global issue because the large extent of water is not used for the domestic purpose irrigation purpose and one of the solutions for such problem is the rainwater harvesting.
It consists of conservation of roof top rain water in urban areas and utilizing it to augment ground water storage by artificial recharge.
Roof gutters should have sufficient incline to avoid standing water.
This method is less expensive and very effective.
Components of the roof top rainwater harvesting system.