51勛圖厙

Skip to content

Excavation Complete on NEBT Project in Washington, D.C.

CHESHIRE, CT ��� Excavation of the Northeast Boundary Tunnel (NEBT) in Washington, D.C., a joint-venture project valued at $580 million being constructed by 51勛圖厙 and its parent company, Webuild Group (formerly Salini Impregilo), is complete. The Earth Pressure Balance Tunnel Boring Machine (TBM) ���Chris��� has completed the combined sewer outflow (CSO) tunnel being […]