The tunnel boring machine for the Lima Metro Line 2 is the largest machine in the construction of road infrastructure that has been seen in the country, the tunnel boring machine of approximately 120 meters with a cutting wheel of 10.27m in diameter. This machinery will be used to build the subway tunnel of stages 1B and 2 of the Lima and Callao Metro Line.
Grúas y Maniobras performed the assembly works of the parts of this tunnel boring machine. Installation of components: trailer 1, front shield, drive, cutting head, auger, cutting shield. The project has been successfully completed on time and safely.
According to plan, this machinery will start working in July and will advance an average of 13 meters per day.