Ghella

With its unique skills in underground works, renown worldwide for its experience and know how in the use of Tunnel Boring Machines (TBM), Ghella is involved in the construction of many infrastructure projects such as subways, railways, motorways and major roads, significant water and hydraulic works. In 150 years we have built more than 100 tunnels, produced more than 800 GWh per year of renewable energy, connected over 1000 km of highways, railways and undergrounds, and still counting. We speak 24 languages, live in 15 countries, work in 5 Continents. In more than 150 years and after 5 generations of passionate tunnelers, we are still digging and building, scratching and drawing, dreaming and growing.

Projects

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Sydney Metro: City & Southwest

John Holland,CPB Contractors,Ghella,Transport for NSW

Rail,Transport

Project Stories

Knowledge Articles

News

March 24, 2020

TBM Breakthrough Marks Completion of Sydney Metro Tunnelling

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March 24, 2020

Dean Oliver

The TBM completed twin tunnels, each one 885 metres long and up to 40 m below sea level from Barangaroo to Blues Point, marking the completion of tunnelling for the Sydney Metro project.