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Innovate2Transform: Conserving Water Using IoT

July 31, 2019

IOT

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For years now, India has battled providing safe and clean water to its vast population. While the government has consistently been working on improving rural water supply, there have been a multitude of challenges in ensuring the delivery of clean water to homes.

One of the most common reasons for depletion of water resources is allowing storage tanks go unchecked for leaks or damage. A Bangalore-based IoT startup thingTronics devised a solution to help multiple villages in Karnataka save several litres of water.

This solution has helped 18 villages in Karnataka, whose primary source of water supply is the Tungabhadra river. In most cases, river water is stored in dams or reservoirs and released to surrounding areas. As the water supply branches out to dense habitats, overhead storage tanks are responsible for storing and releasing water periodically.

Here, water is transported from the Tungabhadra River at a jackwell point with 60hp + 60hp Kirloskar Vertical Turbine pump. Then, the water is pumped to the Water Treatment Plant (WTP) located at Marikoppa, located five kilomteres away. A five lakh litre raw water tank stores this water, which is sent to the Aerator, Settling Tanks and Slow Sand Filters. Purified water gets collected in a 5-Lakh Litre GLR. Two 50hp submersible water pumps pump water from the pure water tank to Kathige Master Balancing Reservoir (MBR), located 11 km away and at an aerial distance of 8.6km.  Two 45hp submersible water pumps pump water to Kenchikoppa MBR, located nine kilometres away and at an aerial distance of 7.6km. Two 40hp submersible water pumps pump water to Madanabhavi MBR, located 8km away and at an aerial distance of 6.5km.

From these three reservoirs, pure water is supplied to 18 villages of Marikoppa, Kathige, Madenahalli, Jeenahalli, Hathur, Dodderahalli, Chikkerahalli, Somanamallapura, Kenchikoppa, Arundi, Thakkanahalli, Salubalu, H.Kadadakatte, Basavanahalli, Madanabhavi, Arabagatte, Sunkadakatte and Haralahalli.

The main challenge encountered here is that the jackwell pump needs to be turned off when the raw water tank reaches full capacity. In order to manage this, two people need to be installed at the Jackwell pump and WTP. Similarly, when the MBRs at Kathige, Kenchikoppa, Madanabhavi are full, corresponding water pumps at Marikoppa need to be turned off. This requires one person at each MBR to communicate to the person at Marikoppa.

Over a period of time, it was observed that this wasn’t a feasible arrangement – to have manual labour overseeing the continuous monitoring of tanks as it often leads to Electricity and water wastage.

OHT Overflow Prevention System:

thingTronics proposed an OHT Overflow Prevention system – this prevents the overflow of Elevated Storage Reservoir (ESR)/ Overhead Tank (OHT) by turning off the borewell water pump automatically upon reaching capacity.

This system continuously monitors water in Raw water tank and based on water level, sends a command to the Jackwell to either turn the pump on or off. Similarly, it monitors MBRs and turns the submersible water pumps on or off based on water level.

The main features of the OHT include:

  • Monitoring OHT overflow/empty status
  • Automatically turn off a borewell located at a distance
  • Intimate manager of the pump of its status
  • Protect motor from low and high voltage
  • Dry run protection
  • Cloud connectivity and data analysis

thingTronics was previously incubated at NASSCOM CoE IoT Bangalore.

This is part of our ongoing series Innovate2Transform, where we bring to you the leaders of the industry talk about the latest in innovation, technology and trends in their industry sectors. 

If you want to contribute, write to sindhuja@nasscom.in or pritha@nasscom.in

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