Delhi government to embrace Walk-the-Line campaign to reduce water wastage

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Under this, at least 3,000 of its staff - ranking from Junior Engineers to Member (Water Secretary) - will walk the entire length of its pipeline network to check for leakages and point of contamination.
Delhi is all set to take a leaf out of the Philippine capital's book on water resources management


WHAT IS WALK-THE-LINE


The Delhi Jal Board (DJB) will soon replicate Manila's highly successful and world renowned 'Walk-the-line' campaign. Under this, at least 3,000 of its staff - ranking from Junior Engineers to Member (Water Secretary) - will walk the entire length of its pipeline network.
This amounts to no less than 14,000km from Narela in the north to Arjangarh in south Delhi. They will inspect it for leakages and points of contamination from mud and sewage, following which these will be plugged and old pipes will be replaced. Officials hope that this exercise will lead to a partial refurbishment of the whole network system resulting in smooth supply for Delhiites in the summer of 2017.
At present, DJB supplies 903 million gallons per day (MGD) of treated water to the city's 9.8 million population. Of this, 40 per cent is lost in leakages due to old and corrosive pipes, and illegal pluggage points created by the city's poor and migrants who lack a water connection. In summers, the peak demand goes up to 1,080 MGD creating a water crisis situation. DJB CEO, Keshav Chandra, told Mail Today, "The city's raw water source is only Yamuna with few borewells. So water supply has reached a plateau at 903 MGD and we definitely needed ways to save what we get and augment our service. While looking for suitable models, we found the Manila Walk-the-Line campaign. It's a simple solution yet very effective."
In the year 1997, after suffering water issues for decades, Manila decided to corporatise its Metropolitan Waterworks and Sewerage System (MWSS). The private company that took over, proposed the 'Walk-the-Line' campaign whereby its officials involved locals in creating a database for leakages and fixing them. The campaign was so successful that Manila's water loss reduced from a staggering 63 per cent in '97 to 14.2 per cent in 2010.
DELHI TO SAVE WATER
Chandra informed, "We are actually a step ahead of Manila. We already have a Geographic Information System (GIS) Map of our entire water pipeline network with some leakage points identified. Our officials will update this map."
"Further, we are clubbing this exercise with a hydraulic model of wrong dimension (meaning pipes of lesser capacity vis-Ã -vis the population it is catering to) are still in use. All old and defunct pipes made of galvanised iron will now be replaced with High Density Polyethylene (HDP) and Medium Density Polyethylene (MDP) pipes," he added


Delhi Water Minister Kapil Mishra said, "Though Delhi's water problem is age-old, unfortunately nothing has been done about it in the past decades. It is very important to restore public confidence now. I believe this 'Walk-the-Line' campaign would prove fruitful here. We will involve four citizen volunteers in each constituency to identify the leakages and plug them. The results of this exercise will be visible and it will make people feel like they are a part of the movement."


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