“Water may accumulate, but the time of receding water has increased or the level of floodline decreased. But to know the ground data and factual information about the flood spots, flood gauge is a good technique. It will show the flood level along with the rainfall in that particular area which gives us information to act on,” said a senior official from the BMC. 

BMC had accordingly invited bids to install internet-based auto-activated rain water logging level detectors with remote reading capability system on May 26. “Three offers were received but all three offers were found technically non responsive. Now, the BMC has decided to re-invite it,” said Prashant Tayshete, deputy chief engineer of the storm water drain department.

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As the tender process and installation may take more than a month and the actual system may not start this monsoon. “We are trying our best to start it this monsoon. The system will be useful for at least eight years and will give us important data for the flood map of Mumbai,” said another BMC official.   

Three years ago, the civic body identified 386 chronic flooding spots and had taken local level management projects to tackle the issue. Works have been completed to tackle 265 flooding spots, claimed BMC officials. Remedial works to tackle 53 flooding spots are expected to be completed before this monsoon. Of the remaining 68 spots, 11 are expected to be tackled after monsoon, while the works for 14 spots are in the planning stage. The remaining 43 spots fall under government or private properties.

Meanwhile, the stormwater drain department finalised contractors to install 380 pumps at the ward level at a cost of R92.70 crore to tackle localised flooding. The flood sensors will also help to add perspective while arranging pumps also.