Our team has proven experience in the delivery of complex tunnelling projects, utilising both tunnel boring machines (TBM) and roadheaders in the excavation process. This experience extends beyond the elements of mainline excavation, and includes precast fabrication, temporary declines, ventilation facilities, caverns, cut and covers, shafts and station boxes.
Tunnel elements include:
Excavation
Benching
Primary and final shotcrete lining
Waterproof membrane
Pavement
Civil fitout
Mechanical and electrical fitout
Precast
Cross- passages
Station construction