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BMC to start survey of soil samples for coastal road

Taking a step closer to construction of the Mumbai Coastal Road, the BMC has finally started on-field work with the freeway stretching over 31 kilometres between Marine Drive and Kandivali.

Taking a step closer to construction of the Mumbai Coastal Road, the BMC has finally started on-field work with the freeway stretching over 31 kilometres between Marine Drive and Kandivali. The civic body will conduct a geo-technical survey of the first phase of the project, between Princess Street flyover and Bandra-Worli Sea Link.

Towards the same, it will collect soil samples at 166 places by digging bore holes along this 9.9 kilometre stretch, and conduct tests on the material to determine its quality. Deputy municipal commissioner in-charge of the Coastal Road, Rajeev Kuknoor, said, “We will dig 40 metres into the earth at 166 places, and collect earth samples. We basically need to find out the composition of soil; whether it is rock, loose earth, sand or fractured rock. Based on this data, we will decide the type of foundation to be laid for construction of the Coastal Road.”

The survey will determine whether the soil can handle the weight of the bridge apart from categorising the type of underground soil so that machinery used for digging the tunnel can be used accordingly. “If we find the underground rock to be dense and strong, we will need heavier machinery to dig through the soil. This survey will basically help us determine that,” informed Mr Kuknoor.

The BMC will start the project by the first week of November, and it will take up to three months to complete the survey. Following the survey, actual construction of the first phase of the road will begin. The estimated cost of the survey is Rs 8.43 crorex, which will be conducted by a third party consultant hired on a contractual basis.

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