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Tunnel Boring Machine (TBM) construction is a mechanized tunnelling method used for excavating underground tunnels with minimal surface disruption. A TBM is a massive cylindrical machine equipped with a rotating cutterhead that excavates soil or rock while advancing forward. The excavated material is transported out of the tunnel via conveyor belts muck transportation or slurry pipelines, depending on the TBM type. Simultaneously, pre-cast concrete segments are installed along the tunnel walls t

“Let the launching of this Tunnel Boring Machine become a testament to this administration’s commitment to continue the projects of the previous administration and — more importantly — build better more,” President Ferdinand R. Marcos Jr. expressed as he marked the beginning of underground works for the nation’s ‘Project of the Century’, the Metro Manila Subway Project (MMSP), at its depot in Barangay Ugong, Valenzuela City on January 9, 2023. “As this project will be the first subway system in