News Archive

Second Avenue Subway worker rescued after four-hour recovery effort

New York’s Metropolitan Transportation Authority (MTA) suspended work on a section of the Second Avenue Subway project early Wednesday morning (March 20), following a dramatic four-hour rescue effort to save a worker who became trapped in saturated soft ground 75ft (22m) below ground at the project’s 96th Street Station Cavern. Read more

LU put out Northern Line extension pre-tender notice

London Underground (LU) has issued an OJEU pre-tendering procurement notice for the delivery of the £400M – £600M Northern Line Extension to Battersea Power Station, which includes the construction of 3.3km of twin-bore 5.2m i.d. running tunnels and two new stations, one at Battersea and the other at Nine Elms. Read more

Hong Kong SCL win for Leighton

Leighton Contractors (Asia) Limited, a part of the Leighton Asia, India and Offshore Group, has secured an US$680M contract from the MTR Corporation to construct a critical component of its 17km long, predominantly underground Shatin to Central Link (SCL) development in Hong Kong – the Hung Hom Station and Stabling Sidings Contract 1112. Read more

Hong Kong’s Central-Wan Chai Bypass tunnel awarded

Hong Kong’s Highways Department has signed a $622m contract with China State Construction Engineering for the Central-Wan Chai Bypass. Read more

Breakthroughs on Milan’s Line 5

Both EPBMs boring the Milan Metro Line 5 twin-tube tunnels have successfully broken through at Cenisio station and are now progressing well along the rest of the drives, SELI has announced. TBM S-388 broke through at Cenisio station on 22/01/2013 followed by TBM S-238 on 16/02/2013. TBM S-388 is currently at 1,118.04m (of 2,193.09 or 51% of tunnel) whilst TBM S-238 is currently at 756.38ms (of 2,198.9 or 34% of tunnel) Read more

Rail staff prevent tunnel disaster

Prompt action by a train driver averted a major Tube disaster in London, UK, today (Friday, March 08) when two piling drills breached the tunnel lining of the Moorgate to Finsbury Park Northern City line. Read more

Heathrow Airport seeks contractor for £130 million tunnel refurb

Heathrow Airport is looking for a contractor to refurbish its 1950s twin-bore main road tunnel as part of an £130 million contract, which also includes the refurbishment of its 1960s cargo tunnel, over a 38-month period. HAL- Tunnels Refurbishment Project- Main and Cargo Tunnels Read more

US contractor awarded construction of mysterious Israeli underground complexes

Last year it was announced the US was looking to build a secret underground complex in Israel. On February 13 a contract was awarded to Conti Corp Federal Services in Edison, NJ, to complete the project. Their bid of almost US$63 million came in well below the possible US$100 million set aside for the project. Read more

‘Bertha’ the world’s largest TBM is ready to be shipped to Seattle

Following testing at Hitachi Zosen’s manufacturing plant in Osaka, Japan, ‘Bertha’ – the world’s largest-diameter TBM to date – is ready to be shipped to Elliot Bay, in Seattle, Washington. The 57ft (17.5m) EPB machine will begin excavation of Washington State Department of Transportation’s (WSDOT) US$1.35bn (State Route-99) Alaskan Way tunnel, beneath downtown Seattle, this summer. Read more

  • Terratec Herrenknecht Robbins VMT Normet CREG Minova World Tunnel Congress