This technique is particularly useful in dryland hilly urban and coastal areas.
Roof water harvesting ppt.
The surface that receives rainfall directly is the catchment of rainwater harvesting system.
It consists of conservation of roof top rain water in urban areas and utilizing it to augment ground water storage by artificial recharge.
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.
In the areas of regular rainfall the perfect alternative to overcome the water.
Water yours mine andours projectbackground waterowner smanual videoseriesincludesrainwaterharvesng powerpointpresentaons.
In rooftop harvesting the roof becomes the catchments and the rainwater is collected from the roof of the house building.
Powerpoint presentation created date.
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.
Rainwater harvesting seminar and ppt with pdf report.
This method is less expensive and very effective.
1 catchment area 2 transportation 3 first flush 4 storage system 5 delivery system 6 filtration system 8.
Roof gutters should have sufficient incline to avoid standing water.