Hyderabad: Having learnt lessons from past monsoons, Greater Hyderabad Municipal Corporation (GHMC) is now focusing on stormwater drains and box drains, besides remodelling existing ones to facilitate the smooth flow of rainwater in different areas.
One such initiative was taken up at Barlakunta drain and the municipal corporation has remodelled and improved the stormwater drain from Barlakunta to Khajaguda Cheruvu with Rs 3 crore.
During the monsoon season in 2017, when about 12 cm of rainfall occurred on August 25 in just about three hours, the entire Cyber Hills area got inundated and the roads were submerged in the floodwaters for a depth of about 1 to 1.2 metre for a day.
This was mainly due to the insufficient carrying capacity of the existing drain as the discharge was flowing through a 900mm diameter pipe drain. To address the issue, the municipal corporation improved the existing drain by constructing a twin cell RCC box drain of size 3 metres width and 2.3-metre height each to enhance the discharge carrying capacity of the drain by 20 times.
As a result, the civic body officials claim there is no inundation in the Cyber Hills colony during the rainy season. Similarly, RCC twin box drains were constructed on Barlakunta surplus nala with a cost of Rs 4.1 crore. Every time, there was heavy rain, the Jubilee Enclave area used to be under a sheet of water.
The carrying capacity of the existing drain was improved by constructing a twin cell RCC box drains by 18 times than the earlier capacity. Officials in a press release said there is no water stagnation or inundation in the Jubilee Enclave road.
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