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Answer:
Any rainwater harvesting system has three components: Catchment, Conveyance, and Storage. There are two classes of rainwater harvesting systems:
The six basic components of a Rain Water Harvesting system include:
Rain water harvesting in rural areas :
Roof water harvesting rural schools
Rainwater Harvesting (RWH) from roofs is a simple low cost technique that has been practiced for hundreds of years in the desert areas of India. For over two decades, the Barefoot College has provided drinking water in remote rural schools in 15 states for about 32 million people by collecting rainwater from rooftops of the schools and storing it in underground tanks.
In remote villages where access to drinking water is a major problem, RWH structures serves two purposes:
The Construction of a RWH system
Before construction of a RWH system, it is necessary to gather information about schools that face shortage of water, existing water resources in the village, roof top area where RWH could be taken up and types of soil in the village.
- Systems which collect roof runoff for household use.
- Systems which use in field or adjoining catchment to provide supplemental irrigation for agriculture.
The six basic components of a Rain Water Harvesting system include:
- Catchment
: roof surface to collect the ra in - Conveyance
: channels or pipes from roof or catchment area to storage - Roof washing
: 'first flush' diverter system to filter and remove contam inants - Storage
: cisterns or tanks where collected rainwater is securely stored - i.e. insect proof - Purification
: includes filtration, ozone or UV light to purify the collected rainwater for potable use - Distribution
: system that delivers the rainwater, usually including a small pump and pressure tank
Rain water harvesting in rural areas :
- Build community wells in a few places in the village. Within 10-20 feet from the well, construct a bore-well using a hand-operated pump. Educate the villagers to keep the area around the well and the bore well clean - no washing (human, cattle, motor cycles, clothing), no defecation.
- If there are existing water tanks in the village, desilt and clean them every 3 years.
- If there are any small rivers or streams, build check-dams across them to hold the rain water for usage after the rains have stopped.
- Take up roof water harvesting
Roof water harvesting rural schools
Rainwater Harvesting (RWH) from roofs is a simple low cost technique that has been practiced for hundreds of years in the desert areas of India. For over two decades, the Barefoot College has provided drinking water in remote rural schools in 15 states for about 32 million people by collecting rainwater from rooftops of the schools and storing it in underground tanks.
In remote villages where access to drinking water is a major problem, RWH structures serves two purposes:
- a source of potable water, especially during the dry season (4- 5 months)
- year-round water provision to improve hygiene, e.g. low-flush public toilets.
The Construction of a RWH system
Before construction of a RWH system, it is necessary to gather information about schools that face shortage of water, existing water resources in the village, roof top area where RWH could be taken up and types of soil in the village.
Contributor:
Black22622
Black22622
First answer by ID1449190235.
Last edit by Black22622.
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