News Archive

Seattle TBM damage worse than thought

Seattle Tunnel Partners has confirmed that disassembly of the SR 99 tunnelling machine is complete, and assessment of the damage is ongoing. They will not provide a revised schedule for resuming mining until they fully understand the scope of repairs. Read more

Hochtief wins €265M Qatar tunnel contract

Hochtief Solutions Middle East Qatar W.L.L., with Al Sraiya Strabag for Roads and Infrastructure W.L.L. and Petroserv Limited, has signed a contract for the design and construction of the 14.7km tunneled central section of the new sewerage network under Qatar. The client is the Public Works Authority (ASHGHAL). Read more

MTR’s SCL topping out celebrated

The Hong Kong MTR’s Shatin to Central Link (SCL) project team celebrated a major achievement on 30 April 2015 with the topping-out of Hin Keng Station, the first of the 17km long fully underground SCL’s six new stations to be topped out. Read more

Perth Airport Link shortlist announced

Three consortia have been shortlisted to go to the next stage of the tender process to design and construct the $2bn Forrestfield-Airport Link. Each will be issued with a Request for Proposal for the project that includes 8km long twin tube tunnels. Read more

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

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