Roof Water Harvesting Ppt

The surface that receives rainfall directly is the catchment of rainwater harvesting system.

Roof water harvesting ppt.

Roof top rain water harvesting system. Components of the roof top rainwater harvesting system. 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. This technique is particularly useful in dryland hilly urban and coastal areas.

Powerpoint presentation created date. 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 systems channel rainwater that falls on to a roof into storage via a system of gutters and pipes. It consists of conservation of roof top rain water in urban areas and utilizing it to augment ground water storage by artificial recharge.

In rooftop harvesting the roof becomes the catchments and the rainwater is collected from the roof of the house building. 1 catchment area 2 transportation 3 first flush 4 storage system 5 delivery system 6 filtration system 8. In the areas of regular rainfall the perfect alternative to overcome the water. Roof gutters should have sufficient incline to avoid standing water.

This method is less expensive and very effective.