Reverse osmosis plant costed Rs 3 lakh. It helps residents tackle water cuts. This system can give 200 litres of water in an hour’s time
For a building with 10 flats, Sea Line Co-operative Housing Society in Union Park, Khar, sustainable living was always a way of life. The society has taken giant strides in ensuring that it has stayed ahead of times in adopting green measures. Besides a structure for rainwater harvesting, the society has installed solar panels, a vermicompost plant and has a windmill too.
Embracing an advanced and innovative method, the society has installed reverse osmosis plant which helps in treating rainwater and making it fit for drinking. "Though we use it rarely, we ensure that its functional. This system can give 200 litres of water in an hour's time," said Navin Chandra, secretary, Sea Line CHS.
The plant helps residents tackle water cuts or no water supply on some days. "The rainwater harvesting and tubewells takes care of 40% of our needs for which we were earlier dependent on BMC supply or tankers. The harvest water is used in wash utensils, gardening and washing of cars, and flushing," said Chandra.
ADVANCED TECHNOLOGY
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- Reverse osmosis plant costed Rs 3 lakh. It helps residents tackle water cuts. This system can give 200 litres of water in an hour’s time
- Rainwater harvesting takes care of 40% of society’s water needs. There are times when the groundwater table overflows and water seeps out from the tiles
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The plant was a result of the crunch faced by the society a few years back, informs Chandra. "The civic body asked us to have a reservoir and use rainwater. A geologist residing in our neighbourhood advised us to maintain water table that would help rainwater seep downwards. With little surface area we then dug a trench," said Chandra.
The members of the society spent nearly Rs 7 lakhs in installing underground filteration plant that filters floor water accumulated during floods, tube wells and ring well. "We ensured that we have tiles that allow percolation of water. This ensures that even when there is no monsoon, the water in the soil continues to percolate and collect. It keeps the water level right," said Chandra.
"Earlier we called for at least two tankers every week, but now this it is not required. Also the additional water demand that has grown over the years is also met. The reverse osmosis plant cost us an additional Rs 3 lakh but it takes care of drinking water requirement in case of a water cut. There are times during monsoon when the groundwater table overflows and water seeps out from the tiles," said Chandra.
He said that the green investment that the society has done over the years was expensive but over the years it has given back. "The society has long recovered the investment we made. Instead we saved money in lakhs over the years," said Chandra.
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 "Navin Chandra")
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