Page 9 - TCExpessions 2019
P. 9

Cover Story              9

          This is especially true for India as the country is among   unit. The water loss is then assessed by installing flow
          the top 10 water-poor nations in the world with per-  measurement units and leakage detection equipment.
          person water availability being one-fourth of the world
          average. Most Indian cities have intermittent water supply   TCE’s mobile tanker methodology has been successfully
          given the widening demand-supply gap. Worse still, they   used in several cities such as Ahmedabad, Chennai
          experience high water loss, which could be as much as   and Hyderabad, achieving a reduction of up to 50% of
          50% in some cities. Hence, leakage control programmes   the baseline leakage rate. Its success in Kathmandu, in
          are critical for reducing water loss and bridging the gap   neighbouring Nepal, has helped make the city’s water
          between rising demand and sustainability of         supply more sustainable.
          water resources.
                                                              That’s not all. The company is also promoting sustainable
          However, while most developed countries use the     development by designing integrated water supply,
          minimum night flow (MNF) method to detect leakages,   sewerage and storm-water management project for the
          this has limitations in India because of intermittent   1,700-acre Bengal Aerotropolis township near Durgapur in
          water supply. Hence, TCE has devised a mobile tanker   West Bengal (see box, BAPL - A ‘sustainable’ success story)
          methodology to assess water loss arising from leakages to
          improve supply. With this, the area under consideration is   Cleaning up the air
          isolated and water is supplied to it from a mobile tanker   TCE’s sustainability efforts aren’t limited to improving
   4   5   6   7   8   9   10   11   12   13   14