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Water Walk at Jodhpur
The ‘water walk’ through WHRPL’s, Water Resource Centre (WRC) is a unique learning experience designed to provide first hand information about traditional water harvesting techniques. The terrain is distinguished by massive rock formations and flat hilltops covered by thorny shrubs, cacti and dry deciduous forest.
A sprawling lake known as the Bijolai Lake - a traditional rainwater harvesting structure - lies adjacent to the palace. Rainwater from the surroundings hills flows into this lake to be collected with the help of a check dam. In the courtyard, there is a perennial well recharged by water from this lake. The well, in yester years, had a pulley system to draw water and a Persian wheel was installed to lift water from the lake. The overflow from the Bijolai Lake goes into the Kayalana Lake, a vast water body about one kilometre away, supplying water to Jodhpur city.
The Bijolai Palace, spread across an area of 790,000 square feet, was donated by HH Maharaja Gaj Singh to the Jal Bhagirathi Foundation to establish it as a Centre for development initiatives in the Marwar. The Centre itself has a range of interconnected water harvesting structures offering a rewarding water walk to understand traditional water harvesting techniques that make the Centre completely water self-sufficient with no external supply of water.
Biosand Filter at Champaber
Bio-sand filter (BSF) is a water treatment system, an adaptation of the traditional slow sand filter. It is a low cost, easy-to-use small filter (about 1 m tall, 0.3 m wide on each side) making it suitable for household use by rural and remote population. It has been tested at WHRPL, and if used correctly, it can provide sustainable, safe drinking water for over 10 years.
Bio-sand filter can remove more than 90% of bacteria and 100% of parasites, as the sand removes pathogens and suspended solids from contaminated drinking water. A biological community of bacteria and other micro-organisms grows in the top 2 cm of sand. This is called the biolayer. The micro-organisms in the biolayer eat many of the pathogens in the water, improving the water treatment.
Reverse Osmosis at Pachpadra
Reverse Osmosis is commonly referred to as RO. It is a process where water is demineralized or deionized by pushing it under pressure through a semi-permeable Reverse Osmosis Membrane. It works by using a high pressure pump to increase the pressure on the salt side of the RO and force the water across the semi-permeable RO membrane, leaving almost all (around 95% to 99%) of dissolved salts behind in the reject stream. A semi-permeable membrane allows some atoms or molecules to pass but not others.
Little Sun at Gopal bari, Barwa
JBF has been constantly trying to forge links with other organizations so that the value of the project is enhanced and in this village a pilot project on solar lights was also introduced. JBF had been contacted by “Little Sun” an organization working on distributing solar lights to communities (http://www.littlesun.com/). Little sun is a small sustainable solar-powered lamp designed in a shape of sun. They gave 20 pieces for distribution and testing to JBF as a pilot and after discussions the Jal Sabha members decided that the lamps will not be given free, but the beneficiary will pay Rs.500/- per lamp. The money collected was deposited in Jal Kosh. Women from the village bought the lamps and the money collected will be used for the development of the village. There has been very positive feedback on the product generating a lot of interest from nearby villages.
Water Wheel at Rundmal ki dhani
The ‘Water Wheel’, is an innovative design concept allowing water to be placed inside a “wheel,” making it easy to transport water has been pilot tested in the village. The wheel has a capacity to carry 50 litres of water at one time and will be able to reduce the drudgery of women and the girl child. Ms. Cynthia Keiong from Wello Water distributed 7 wheels in the village to test the product and take feedback on the design. However the Jal Sabha decided that the wheels will not be given for free and Rs. 400/- was taken from each individual which was deposited in the bank account of the Jal Sabha to be used for common work in the village. The communities have found the wheel useful barring a few issues with the design of the mouth for pouring out water and the rolling of the wheel on uneven terrain.
The product is new and innovative, and the Wello team is still to work out the price and marketing strategy. This is a major disabling factor as the price of the product is not fixed and frequent changes in the price make it difficult to create a market for the product and also creates doubts and confusion in the mind of the community on the appropriate pricing of the product.