Grydale’s in-house engineering team completed ventilation system design modeling for Laing O’Rourke to determine the ventilation and dust control requirements for the development of Central Walk...

City Rail Link (CRL) is Auckland’s first underground rail line and the largest transport infrastructure project ever undertaken in New Zealand...

Each tunnel project is unique and so is each ventilation design and dust control solution...

The Melbourne Metro Stations will be built as trinocular caverns, where three overlapping tunnels will be mined by roadheaders to create one of the widest metro platforms in the world...