Prevent flash flooding in Bengaluru
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The city has nearly zero percent percolation. The roads and drains quickly carry water to low lying areas and cause flooding.
The BBMP has to construct rainwater harvesting pits within the storm water drainage system , in all the storm water drains, every 100 feet.
The size of the pit should be in accordance to the width of the drain. Wider the drain, the pit should be wider.
This will not only prevent flash floods is low lying areas, but also improves ground water table.
The design for the pit should take care for silt to not enter it. There should be a policy for regular maintenance of these pits.
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