Precision geotechnical drilling for new Sydney tunnels

Hagstrom Drilling is on the cusp of completing 3 months’ worth of geotechnical drilling investigations as part of Sydney’s major Western Harbour Tunnel and Beaches Link project. As one of NSW’s priority infrastructure projects, this proposed large scale motorway is expected to deliver time savings of up to 45 minutes for motorists travelling from the Northern Beaches to Sydney’s CBD, North Sydney and the airport. Underwater drilling in Australia’s busiest waterway brought unique challenges that required the team to operate 24 hours a day, seven days a week in order to meet the project deadlines and accommodate stringent operating restrictions. In busy shipping and recreational channels, working at night was often the only option. Investigations were undertaken in