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The digging process of the deepest open excavation shaft on Watercare Central Interceptor, New Zealand’s largest wastewater project, has been completed by of Ghella Abergeldie Joint Venture. Cooperating its contractor Ghella Abergeldie Joint Venture (GAJV), the Central Interceptor team has made advancement on the $1.2bn (£630M) wastewater tunnel scheme in central Auckland. While the excavation […]

In order to help with tunnel design for Singapore’s Cross Island Line, Japanese construction firm Nishimatsu Construction has signed an agreement with consulting group Cowi. Excavation process of 2.9km tunnel and 300m long cut and cover tunnels on phase one of the Cross Island Line underground mass transit system, as well as a two-story facilities […]

In order to construct twin nine-kilometer rail tunnels between Sydney Olympic Park and Westmead, Australia’s first autonomous tunnel boring machines (TBM) will be used. As a part of the Western Tunneling Package with a $2.16 billion value, which in February 2021 has granted to the Gamuda Australia and Laing O’Rourke Consortium, this work concluded a […]

Commencing excavation of a tunnel boring machine (TBM) at a shaft in northeastern Paris is an indication of finishing the tunneling process for lines 16 and 17 for Société du Grand Paris’ Grand Paris Express project. On 1 March 2022, the TBM named Batan completed its 3.8km drive in Paris’ Aubervilliers suburb when it broke […]

Breaking through the wall of the Canal shaft in Grand Paris Express Project, on 1 March 2022 the Bantan tunnel boring machine concluded its journey in Aubervilliers, while the commencing site of its drive was the depths of La Courneuve to excavate the common tunnel for lines 16 and 17. Considering as the final stage […]

As an indication of the end of the excavation process of a first section of the Line 17 tunnel of Grand Paris Express, from the Verdun structure located at Le Bourget, the Dorine tunnel boring machine attained the Rolland structure in summer 2021. At the moment this machine returned to its starting point and is […]