Roof Top Rainwater Harvesting Structures
Following a good monsoon our water harvesting structures are now full.
Roof top rainwater harvesting structures. Roof top rain water harvesting rrwh section. We need the rains in order for the structures to work. It may be terrace courtyard or paved or unpaved open ground. It s what we do.
The terrace may be flat rcc stone roof or sloping roof. The main objective of rooftop rain water harvesting is to make water available for future use. 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. Components of rooftop rainwater harvesting the process involves transporting rainwater through pipes and drains filtration and storage for reuse recharge.
Whilst the monsoons do come every year some areas can receive hardly any rain the rain water harvesting structures are full read more. These are cleaned off after each heavy rain. Here are some common components involved in these stages. Of roof area 55 cum can meet the.
The surface that receives rainfall directly is the catchment of rainwater harvesting system. Our projects depend on a good monsoon. Rainfall 20 mm in single event. It s in our name we harvest water.
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. These are provided between. Percent rainfall considered for harvesting is 70 of annual rainfall 550 mm 780 20 2000 78000. Roof top collection and diversion to recharge pit factors considered for 100 sq m individual house and 500 sq m.
Under method b storage provision for initial rain is kept in a pipe. Total annual rainfall about 780 mm. 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.