Over 225 years in the past, the town deliberate its storm water drains – however for agricultural wants.
Bengaluru noticed flash floods in July 2016, and contemplating not a lot has modified within the metropolis since then, the chance of one other flood within the metropolis is sort of doubtless. The BBMP officers realised final yr that the key trigger for the flash floods was the rampant encroachment of storm water drains within the metropolis – and within the yr since this survey, solely 11.2 acres of the 80 acres of encroachments within the rajakaluve community have been recovered.
However whereas the encroachments themselves are an issue, do you know that the rajakaluves of Bengaluru weren’t deliberate to maintain a cosmopolitan metropolis within the first place?
Check out this map of Bengaluru’s storm water drains from 1792, completely accessed by TNM:
The map was made by the British 225 years in the past to indicate the storm water drains that had been current again then. Most of those drains have been encroached upon over time, and the town has continued so as to add extra rajakaluves, however in a haphazard method.
“The map of the tanks reveals that the system of interconnectivity of lakes by means of the SWDs was such that it suited the agricultural functions,” explains Naresh Narasimhan, an City Planner and member of Residents of Bengaluru.
And the planners of Bengaluru have both ignored this map, or have intentionally encroached upon the storm water drains within the final 225 years.
“Over time, many tanks had been encroached upon they usually at present home residential layouts and even bus stands and stadiums,” Naresh says.
For example, the Koramangala, Domlur and Marenahalli tanks have now been transformed into residential layouts, the Sampangi tank into the Kanteerava Stadium, Dharmabuddi tank into the Kempegowda Bus Station, Shoolay tank has been transformed to the soccer stadium and the Challaghatta tank into the Golf Course to call just a few tanks which were worn out.
The Akkithimmanahalli kere or Mudtank is the place the Hockey Membership’s garden is at present situated.
Activists additionally say that what the planners ought to have completed is to make the maps extra correct after which plan the town.
“For those who take a look at the income maps which demarcate the storm water drains, they’re outdated and usually are not correct. When the town was being deliberate, the civic our bodies didn’t cease to test if the SWDs had been situated in the identical areas as within the outdated income maps. It was solely just lately that the civic companies have used satellite tv for pc mapping to develop the grasp plan for the town,” says architect Prem Chandavarkar.
“We have to decentralise the upkeep of the water techniques and hand it over to ward-level committees. Sustaining these at group stage will guarantee accountability. As an alternative of developing concrete SWD drains, pure drain techniques should be constructed to make sure floor water recharge,” Prem Chandavarkar provides.
Learn: Rs 1000 crore washed down the storm water drain? Bengaluru’s misguided plan to revive SWDs