Technologies to plug leakages

The BWSSB will be adopting two different technologies to identity leakages in water pipelines in the City, as part of its new initiatives.

It is recording nearly 45 per cent leakage through its supply connections incurring a huge revenue loss. Besides taking up the unaccounted for water (UFW) project to replace the water pipelines in the City, it will also be using these two technologies, wherein helium gas will be inserted into the water pipelines and pits will be dug to the depth of five mm for every 2.5 metres all along the water pipelines. As helium gas is light, it normally travels up and the amount of helium gas emitted through the leakages will be recorded with the help of a sensory device installed at the pits.

  The sensory device will also record the exact location of the leakage helping the BWSSB officials to plug the leakages without much digging. 

In the other method, acoustic sounds technology will be used to identify leakages wherein a device will be placed on the water pipelines where the device will send flickering sounds from the place where the water leaks.

The Japan International Cooperation Agency (JICA) has already carried out a trial run in one of the divisions and has managed to find 12 major leaks. JICA will be using this technology to plug the leakages in another sub-division on a free trial. Both the technologies are at the preliminary stages and are expected to take off in the coming months, a BWSSB official said.

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