Tunnel

Tunnel

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