Mumbai Metro contract signed

Seli Technologies has been awarded a contract for designing and manufacturing, in cooperation with Shanghai Tunnel Engineering Co., a new TBM to be used in the Mumbai Metro Line 3 Project, in India.

The machine is a Dual Mode TBM: it can excavate performing muck removal via a belt conveyor, or in Earth Pressure Mode using a screw conveyor.

It has the following main characteristics:

6.68 m diameter Cutterhead with 45 disc cutters
1500 kW Main drive 5468 kNm working torque
Thrust system force: 41600 kN
Articulation system force: 37400 kN
Maximum operating pressure: 5.5 bar