Displaying items by tag: underground

As one of Australasia’s most skilled tunnelling contractors we’re renowned for our road header, TBM, pipe-jacking and micro tunnelling expertise and our capacity to provide fully integrated engineering and construction solutions. Our expertise covers the whole range of tunnelling from specialist soft ground techniques (full faced balanced earth pressure machines) through to hard rock tunnelling using TBMs, drill/blast and roadheader methods. Our technical expertise is matched by intuitive relationship management skills and our capacity to perform works under various contract types including joint venture, early contractor involvement, public private partnership, and design and construct. Some of our notable tunnelling and underground projects include: Ambuklao and Binga Hydro Powerplants Rehabilitation, Philippines. Successful rehabilitation and Read more

The New Zealand Contractors Federation has awarded the Hobson’s Bay Sewer Tunnel project the 2009 Environmental Award for Contracts over $10 million.   This achievement recognises the dedication that joint venture partners MacDow and Fletcher have shown to protecting the environment through both design innovation and construction implementation. The use of TBM technology in the delivery of the tunnel allowed a shallow alignment to be selected, reducing pumping requirements and energy demand. This reduction in energy consumption is approximately equivalent to a reduction of 160T of carbon dioxide per annum. On a local level the project was delivered within 100 m of local residents without significant disruption. The provision of a noise proof shed above Read more