News Archive

San Francisco tunnels complete

June 11, 2014, marked the completion by JV Barnard/Impregilo/Healy (BIH) of the twin bores on San Francisco’s Central Subway in California, USA, following the breakthrough of the second of two specialized Robbins EPBM being used to excavate the tunnels. Read more

Operator selected and first TBM heading to Sydney’s NWRL

New South Wales Premier Mike Baird and Minister for Transport Gladys Berejiklian have announced Sydney’s $8.3bn North West Rail Link has reached its most important milestone yet, with a preferred operator selected to run the new rapid transit service. Also announced is the completion and shipping from France of the first of four 6.99m diameter NFM hard rock TBMs to be used to bore the project’s 15km twin tunnels. Read more

Seattle Mega-TBM repair plan complete

Seattle Tunnel Partners (STP) has completed its repair plan for Bertha, the striken SR-99 Tunnel Project mega-TBM. The focus now is on rebuilding Bertha, according to a new repair work plan unveiled Monday, June 16, by STP, the Washington State Department of Transportation’s design-build contractor. Read more

Ellie breaks through into Stepney Green

Crossrail TBM ‘Ellie’ has broken through into a cavern 40m beneath Stepney Green, in the East End of London. The breakthrough marks the structural completion of tunnels for Crossrail’s north east spur, between Whitechapel and Pudding Mill Lane. Read more

MTR gives project up-dates

The MTR Corporation recently completed a detailed review into the progress of construction on the South Island (East) (“SIL(E)”) and Kwun Tong Line Extension (“KTE”) projects and has shared the results of that review in a submission to the Legislative Council Panel on Transport Subcommittee on Matters Relating to Railways. Read more

Terratec announces two new sales

TERRATEC has announced two recent Tunnel Boring Machine sales for Istanbul Metro in Turkey, and for Xe Namnoy Hydroelectric Power Project in Laos. Read more

Tideway mega-tunnel tenders for investors

Thames Water has today launched a competitive tender process for investors to bid for the new company that will build and own the Thames Tideway Tunnel. Investors from around the world are being invited to take part in a competition to finance Britain’s biggest and deepest underground sewer tunnel. The 25km Thames Tideway Tunnel is urgently needed to prevent millions on tonnes of untreated sewage discharging into the tidal River Thames. Read more

Züblin wins Gothenburg Immersed tube

Züblin Scandinavia AB, a Swedish subsidiary of STRABAG SE, has been awarded as leader and main shareholder in joint venture the design & build contract for the Marieholmstunnel project, a 500m long immersed tunnel consisting of 30m wide x 10m high elements, that passes under the river Göta älv in the city of Gothenburg. Read more

Robbins double shield sets unofficial record in Virginia

In Fairfax, Virginia, the installation of a new water main came with more than its share of challenges. Diabase rock, exceeding 50,000 psi (345MPa) UCS, halted initial excavation attempts by the project’s first contractor (using a modified Lovat-built double shield). The Corbalis to Fox Mill Water Main Project ultimately required a new contractor, Southland, and a new machine. Read more

Aecom/Black & Veatch JV wins on DTSS 2

A joint venture between Black & Veatch and AECOM (NYSE: ACM) has been selected by PUB, Singapore’s national water agency, to provide engineering services for Phase 2 of the Deep Tunnel Sewerage System (DTSS). The B&V AECOM (Black & Veatch and AECOM) joint venture team will work with PUB to shape one of the most significant and anticipated water projects in Asia. Read more

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