iTA TUNNELLING Awards 2015
Next November 19th, the International Tunnelling and Underground Space Association will organise the edition 2015 of the “ITA Tunnelling Awards” in a unique underground location: the Hagerbach underground test facility in Switzerland. In the perspective of the Award Ceremony organized on the D Day, 32 projects have recently been preselected. Three of them have notably been nominated in the category “Major Tunnelling Project of the Year”, related to large-scale tunnelling and underground space projects requiring an investment of over 500 million € (715 million $). And the nominees are… the Eurasia Tunnel, the New York City’s Second Avenue Subway, and the Futian Station of the Guangzhou-Shenzhen-Hong Kong High-Speed Railway. Focus on these 3 ambitious projects.
The Eurasian Tunnel • The 1st highway tunnel joining Asia and Europe by using a mechanized tunnel boring machine (TBM)
• Inner tunnel diameter: 12 m
• TBM diameter: 13.7 m
• Total tunnel length: 14.6 km
• First 5.4 km section: a 2-storey tunnel
• Main part of the project: the 3.34 km long subsea tunnel under the Bosphorus
• Second 5.8 km section: a road expansion, improvement works
• Total cost: 1.24 billion $
• Contracting authority: the Turkish Ministry of Transport, Maritime Affairs and Communication, and the General directorate of Infrastructure Investments (AYGM).
 
 
New York City’s Second Avenue Subway Project • Initiated 8 years ago and operational by 2016, the New York City Second Avenue Subway is the largest U.S. transit project so far. It consists in constructing a new subway line to expand the metropolitan subway network, for the lines 4, 5 and 6 that are currently the only ones serving the Upper East Side. With an expected ridership of over 200,000 weekday riders, it will contain overcrowding and delays on the existing parallel line, improving travel within the City center as well as in the suburban commuters, and upgrading access to mass transit for residents of the East Side of Manhattan.
• Cavern diameter: 22 m
• Cavern length: 400 m
• Nature of the works: excavation and lining of TBM-bored tunnels, mined stations caverns, cut-and-cover stations, architectural fit outs, Trackwork, mechanical and electrical systems
• Construction duration: 8 years
• Deadline: 2016
• Total cost: 4.5 billion $
• Client’s name: New York City Metropolitan Transportation Authority Capital Construction.
The Futian Station of Guangzhou-Shenzhen-Hong Kong High-Speed Railway and the urban high-speed train • The Guangzhou-Shenzhen-Hong Kong High-Speed Railway is a part of the Beijing-Hong Kong High Speed Railway, planned to connect mainland China and Hong Kong. It aims at developing transit from Guangzhou South Station to Kowloon West, Hong Kong, notably going through the Shenzhen North Station and the Futian Station, which was to be constructed. Essentially visited by high-end business passengers, the Futian Station is now the first underground railway station in China and the largest one in Asia.
• Total length of the works: 11.4 km
Futian Station:
• 1 km long, 32 m deep, 78 m wide
• A 3-layer underground structure
Yitian Tunnel: 6.2 km long
• Duration of the works: 7 years (from 2008 to June 2015)
• Total cost: 933 million $
• Client’s name: Guangzhou Shenzhen Hong Kong Passenger dedicated line limited liability company.
Source: International Tunnelling and Underground Space Association
|
Partagez sur Facebook / Share on Facebook 
