Since first developing a tunnel invert drainage system for a project in Hong Kong back in 2000, ABG’s engineering department has developed expertise and provided design solutions for many high profile tunnelling projects around the World, most recently for a number of stations on the Sydney cross rail project. Please submit the enquiry form and a member of the team will be in touch to offer an innovative and carbon saving tunnel drainage solution to meet your project requirement. Visit our tunnel drainage page to find out more.