Even though the wait for a waterlog-free Hindmata area has got stretched with Brihanmumbai Municipal Corporation (BMC) stating that the work on reconstruction of the 2.5 km-long storm water drain will complete by next year-end, Mumbaikars will get partial relief as half the work of part I of the repair plan has already been completed. The civic body claims, by December 2020, capacity of the drain to release water will be increased up to 50 mm from the existing 25 mm rainfall in an hour.
The perennial issue of flooding during monsoon at Hindmata in Parel has been a hanger-on for Mumbaikars for decades. Every monsoon the same old story is repeated and retold, despite the measures taken by BMC to shake the problem off its back. Getting wiser with experience, the civic body decided to reconstruct the British-era drain so that it could release water up to 25 mm rainfall in an hour.
In case of heavy downpour --- over 50 mm rainfall in an hour --- the area tends to flood due to slow release of water.
The BMC has come up with a three-part plan to construct storm water drains covering a length of 2.5 km around the low-lying area.
In the first part, BMC will reconstruct a 750 metre-long 3.6 sq mt box drain from BJ Devrukhkar Road (near Hindmata) to Madake Buva Chowk. The work on this will be completed by February 2020.
Similarly, in the second part, an additional pipeline of 1800 mm diametre will be laid by micro-tunneling in a stretch of 950 metres from Lalbaug Police Chowky to Shravan Yashwante Chowk. This will be completed by November 2020.
Finally, the third part, in a stretch of 800 metres from MD College junction to Sai Baba Marg junction to Lalbaug Police Chowky, a 1000-diametre drainpipe will be replaced with three drainpipes of 1200 mm, 1400 mm and 1800 mm diametre. The work will be completed by December 2020.
"With this plan of works, we expect that time to release water will come down and possibility of water logging will be less," said a civic official.
FLOWING DOWN AND OUT
- Hindmata is a saucer-shaped area that receives water from Dadar, Parel and Lalbaug areas
- BMC has planned to intercept this water via augmented local storm water drains which will carry it to Britannia pumping station directly
- BMC reconstructing the old drain that has capacity to release water only up to 25 mm rainfall in an hour. New pipe drain will release up to 50 mm rainfall in an hour
- BMC replacing old arch drain with new box drain with bigger in size to release more water
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