Terratec TBM S80 Achieves Success for Mumbai Sewage Project

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after water tunnel project I covered the other day, here is another important tunnel work from Mumbai that needs more coverage.

Tunnel Boring Machine S80 deployed by Michigan Engineers on Monday recorded its first and only success for the Mumbai Sewer Disposal Project (MSDP) Stage-II Priority Works project.

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This 3.14 m diameter Teratec EPB TBM, nicknamed Michigan-1, has developed the shortest diameter segmental sewer tunnel in India with an internal diameter of 2.60 m under SV Road to address the problem of overload condition of sewer lines in Bandra and Khar neighbourhoods. constructed.

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Receiving Squad at Jai Bharat Pumping Station

Machine passed the factory acceptance test (FAT) in the summer of 2020 and became the 25th machine to be delivered in India. In Mumbai, this EPB was commissioned in December 2020 to construct a 1.857 km tunnel for the Municipal Corporation of Greater Mumbai (MCGM) sewage project from Bandra Influential Pumping Station to Jaibharat Pumping Station.

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ITD Cementation is the main contractor and Michigan Engineers is their subcontractor who is responsible for all manpower and machinery.

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The basic objective of the project is to provide a healthier and better environment for Mumbaikars by improving the quality and reliability of wastewater collection, treatment and disposal while reducing the impact of wastewater on the environment.

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The project is designed to increase the capacity of the existing sewage collection system in Zone 3 to increase the flow to 72 MLD – enough to meet requirements by 2051. It will also solve the flooding in Railway Colony neighborhood and SV Road.

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There almost…

After the inauguration of the project, Jai Bharat and Chambai pumping stations will be closed to save maintenance cost.

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Terratec’s . From old press release,

The TBM gets 25 17-inch rings that can be replaced with replaceable disc cutters and a high torque main drive that is still capable of rotating up to 5 rpm. The TBM is equipped with a fully active articulation system to accommodate a minimum curve radius of 250 metres. The TBM’s main drive is hydraulic due to size constraints and the installation of a full hyperbaric man lock.

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4+1 Universal type segment design, (200 mm thick and 1000 mm long) reinforced concrete segments will be installed as the machine moves forward by a mechanically actuated erector. Dirt removal, section transport and machine supply will be carried out by Teratec rolling stock and battery locomotives.

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Michigan and Teratech Management Teams

Incidentally, the biggest ever tunnel boring machine in India, TBM Mavla, also recorded its first success barely a week ago – View details and photos,

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– TMRG

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