News Archive

Vinci and Bouygues Construction win Cairo Line 3 extension

The Egyptian authorities have awarded the joint venture of VINCI Construction Grands Projets and Bouygues Travaux Publics, a Bouygues Construction subsidiary, and their Egyptian partners, Orascom Construction and Arab Contractors, the contract for the new phase of civil engineering for Line 3 of the Cairo metro between Haroun and El Nozha stations. Read more

Finance package for Melbourne Metro

The Andrews Labor Government in Victoria, Australia has announced $1.5bn to cover all anticipated planning, design and significant early works ahead of major construction of the Melbourne Metro Rail Project in 2018. The project includes the construction of twin 9km long tunnels and five underground stations. Read more

TBM move attracts overnight crowd in downtown Toronto

Witnesses were treated to an overnight spectacle in downtown Toronto, Canada, at the end of April, when Dennis and Lea – the 6.5m (21ft) diameter Caterpillar TBMs that have been building the western segment of the Eglinton Crosstown LRT’s underground tunnel – were lifted out of their reception shaft just west of Allen Road and transported 330ft (100m) to the launch shaft on the opposite side of road just east of the existing Eglinton West subway station. Read more

DC Water’s First Street TBM is named

On April 14, DC Water named the third TBM in its fleet and christened her with tap water in a ceremony to bless the machine and the workers for a safe and successful underground journey. The 23ft (7m) diameter Herrenknecht TBM will be used by the Skanska/Jay Dee joint venture to mine the 2,700ft (823m) long First Street Tunnel at depths of approximately 100ft (30m) below ground to help alleviate flooding in Bloomingdale and LeDroit Park during heavy rains (see article in NATJ’s April/May digital edition). Read more

Environmental report on 710 Freeway gap recommends 6.3-mile tunnel option

On March 6, Caltrans and the Los Angeles County Metropolitan Transportation Authority (Metro) released an environmental study that recommends a tunnel to complete the infamous 710 Freeway gap. According to the documents, a 6.3-mile (10km) tunnel – running from Valley Boulevard, in Alhambra, to the 210 Freeway, in Pasadena – would provide the greatest amount of traffic relief of any transportation alternative and the fewest impacts. Besides the tunnel, the EIR also examined four other options: traffic management solutions, a dedicated bus line, a light-rail train or no-build. Read more

Kiewit/Shea low bid for Rondout-West Branch Bypass Tunnel

The New York City Department of Environmental Protection (NYDEP) has confirmed that Kiewit/Shea are the apparent low bidder for the Rondout-West Branch Bypass Tunnel with a bid price of $706,605,852. Other bidders were Schiavone with a price of $843,114,000 and Skanska/Traylor with a bid price of $911,902,000. Read more

“Princess Wencheng” launches on Shatin to Central Link

Another important milestone has been reached on Hong Kong MTR’s 17km long underground Shatin to Central Link (SCL) with the launch of TBM “Princess Wencheng” on her mission to construct the 1.6km long tunnel for the Kowloon City Section of the project. Read more

ITA launches its own International Tunnelling Awards

The International Tunnelling and Underground Space Association (ITA) has launched its own dedicated Tunnelling Awards to identify outstanding achievements in the field of tunnelling and underground space use, and provide international recognition to these remarkable contributions. Read more

Last stage for Crossrail tunnels

Crossrail’s final tunnelling machines, Victoria and Elizabeth, are currently being prepared to complete the last two 750m tunnel drives between Liverpool Street and Farringdon. When they reach their destination and the big east-west breakthrough is complete, all 26 miles of Crossrail’s new train tunnels will have been created. Read more

Herrenknecht trenchless system success

Herrenknecht’s newly developed semi-trenchless method for pipeline installation has completed its third successful mission. South of Stockholm, using Pipe Express® Züblin Scandinavia AB installed a water pipeline more than a kilometer in length within twelve days. Read more

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