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Home > EPBMs chosen for India’s two Pune Metro contracts

EPBMs chosen for India’s two Pune Metro contracts

Written by Tris Thomas on 30/04/2019 in News

Tagged: underground

The Gulermak-Tata Projects Limited has selected TERRATEC to provide a number of 6.61m diameter EPBMs for its two underground contracts on Line 1 of the Pune Metro Rail Project, in Maharashtra, India.

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In February, Maharashtra Metro Rail Corporation Limited’s (MMRCL) Executive Director, Atul Gadgil, announced that the joint venture had won both of the twin tube tunnel packages on the north-south corridor. The 5km underground section of the 16.56km-long Line 1 corridor – which runs from PCMC to Swargate – is the most challenging portion of the line, as it passes through the densely populated areas of Kasba Peth, Budhwar Peth and Mandai market .

The TERRATEC EPBMs that will be delivered to Pune will have mixed-face dome-style cutterheads designedto work effectively in the compact Basalt that is expected on these contracts at pressures of up to 4 bar.

As the TBMs progress, they will install 1,400mm wide by 275mm thick pre-cast concrete lining rings, which consist of five segments plus a key.

Pune is an industrial city that has witnessed much growth in the areas of corporate and industrial infrastructure over the last decade. Existing roads in the city currently carry an average of 8,000 commuters an hour in each direction. The city experiences high traffic during peak hours that leads to long hours of traffic jams along with increased pollution.

The Pune Metro aims to provide a solution to the above issues by offering a safe and eco-friendly journey with a 50% reduction in travel time. When complete, in 2022, Pune’s Metro network will comprise three rail corridors with a total length of 54.5km. Construction of the first two phases is currently underway, while the third phase was approved for construction by the government of Maharashtra in October 2018.

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