News Archive

London’s Tideway Tunnel preferred bidders announced

The preferred bidders have been chosen to build London’s 25km long, 7.2m i.d. Thames Tideway Tunnel. The companies will build a component each of the three parts of Thames Water’s mega tunnel that has been split into geographical sections of west, central, and east. The contractors chosen are: Read more

NorthConnex contract confirmed

Australia’s Federal Assistant Infrastructure Minister Jamie Briggs and New South Wales Roads Minister Duncan Gay have announced contracts had been signed to close the deal on Sydney’s $3bn NorthConnex project. Read more

Bertha rescue pit complete


Seattle Tunnel Partners has completed excavation of the 39.5m deep pit that will be used to access and repair Bertha, the 17.5m diameter Hitachi Zosen SR 99 TBM being used to bore the 2.7km long Alaskan Way Viaduct Relacement Tunnel. Crews removed the final scoop of soil from the pit on Friday, Jan. 30.

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Crossrail tunnels edge towards completion

TBM Elizabeth, named after HM The Queen, has successfully broken through in to the eastern end of Liverpool Street Crossrail station. The breakthrough, 40m beneath the City of London, is part of Crossrail’s longest tunnel drive, 8.3km from Limmo Peninsula, near Canning Town, to Farringdon.

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Paddington link tunnel award

London Underground (LU) has announced its intention to award the contract to design and build the Paddington link tunnel, which will link the new Crossrail station and the Bakerloo line platforms, to Costain Skanska Joint Venture. Read more

NPRA issues drilling tender

The Norwegian Public Roads Administration (NPRA) has published the tender documents for core drilling in the Romsdalsfjord that will serve as preliminary surveys for the 15–16km long subsea tunnel between Vik and Otrøya in Møre og Romsdal county in Norway. Read more

MMC-Gamuda gears up for TBM fleet refurbishment

With the near completion of the tunnelling works for Kuala Lumpur’s MRT Sungai Buloh- Kajang Line (SBK Line), underground works contractor MMC Gamuda KVMRT (T) Sdn Bhd (MGKT) has set up a facility to refurbish its used TBMs, in preparation for its next tunnelling job. Read more

Waterview’s second launch

Waterview’s 14.46m diameter EPBM, Alice, has been re-launched by Fletcher Construction, McConnell Dowell and Obayashi – as part of the Well-Connected Alliance and is now making a careful start constructing the second of the 2.4km twin tunnels that will connect Auckland’s Southwestern and Northwestern motorways. Read more

TERRATEC delivers to Laos

Following successful factory testing on December 6th, TERRATEC has announced the delivery of a new 5.74m diameter Hard Rock Double Shield TBM to the the Xe-Pian Xe-Namnoy Hydropower Project in Laos. Read more

KL MRT design consultant award

Kuala Lumpur’s Mass Rapid Transit Corporation (MRT Corp) has appointed Arup Jururunding as the underground reference design consultant for the 10.9km tunnel section of the 59.9km long Klang Valley Line 2, the MRT Sungai Buloh-Serdang-Putrajaya Line. The contract is the first to be awarded on the line. Read more

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