06. Development of egress tunnel in Brisbane Qld client INB Hubb Alliance

 

Development of 60 mtr Egress tunnel in the Brisbane Mall to be used as a exscape way for the bus tunnel, the project was in a very sensative area were buildings were above the tunnel at 5mtrs, the project involved standing steel sets every 1 mtr and sprayed concreted 500 mill thick. 

The project was in clay and inside a car park.