Roof Top Rainwater Harvesting Structures

78000 70 100 54600 or say 55000 thus the rainwater harvested from each house of 100 sq m.

Roof top rainwater harvesting structures.

The main objective of rooftop rain water harvesting is to make water available for future use. It s in our name we harvest water. Following a good monsoon our water harvesting structures are now full. Percent rainfall considered for harvesting is 70 of annual rainfall 550 mm 780 20 2000 78000.

Components of rooftop rainwater harvesting the process involves transporting rainwater through pipes and drains filtration and storage for reuse recharge. Roof top rain water harvesting rrwh section. Therefore the catchment is the area which actually contributes rainwater to the harvesting system. Rainwater harvesting pages are not under access control although rainwater harvesting has been implemented in all the urban local bodies it is now felt that there is a need to modify some of the structures.

Harvested rain water can be stored in subsurface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks. Of roof area 55 cum can meet the. Here are some common components involved in these stages. Rainfall 20 mm in single event.

The terrace may be flat rcc stone roof or sloping roof. Total annual rainfall about 780 mm. Under method b storage provision for initial rain is kept in a pipe. Roof top collection and diversion to recharge pit factors considered for 100 sq m individual house and 500 sq m.

Typical roof top harvesting structure under method a the down pipe is moved away from the inlet of the storage tank initially during the rains until clean water flows. The surface that receives rainfall directly is the catchment of rainwater harvesting system. These are provided between. Our projects depend on a good monsoon.

It s what we do. These are cleaned off after each heavy rain. It may be terrace courtyard or paved or unpaved open ground.