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WT July/Aug 14

Flexible solutions for Fehmarnbelt?

Though initially rejected as being too costly, an optimised TBM solution could be a viable option for the Fehmarnbelt Fixed Link

Delivering watertight solutions

The BBMV JV successfully waterproofs Crossrail C510 tunnelling works

Dealing with difficult rock

AlpTransit is offering innovative solutions for disturbed geology on the Ceneri Base Tunnel in the Swiss Alps


Comment

Why did the woman cross the rail?

Germany has Angela Merkel, World Cup mascot and chancellor for almost 10 years now. The US had Condoleezza Rice, secretary of state from 2005 to 2009, followed by Hilary Clinton until 2013, who is about to say ‘Zip it, Bill!’ and possibly become the first female president of one of the most powerful nations in the world
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Global News

JV to sign $1bn Northern Line contract for London

London Underground has selected the Ferrovial Agroman Laing O’Rourke joint venture as the preferred bidder for its £600 million (US$1 billion) Northern Line extension

Stockholm Metro awards tender for design of Arenastaden extension

Engineering consultant WSP’s Swedish outfit has won the contract to design a new subway route in Stockholm

TBM Tiger ready to bite in Ontario

In Canada, Robbins’ tunnel boring machine Celtic Tiger is gearing up to bore out the C$400 million (US$373 million) Hanlan water main in Mississauga, Ontario
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Features

Flexible solutions for Fehmarnbelt?

Though initially rejected as being too costly, an optimised TBM solution could be a viable option for the Fehmarnbelt Fixed Link

Fire under the White Mountain

The Alps are no stranger to tragedy and the tunnels traversing them are no exception

Life on the long rail

World Tunnelling reflects on works at the Gotthard Base Tunnel as it approaches its grand opening

A practical approach

Tunnelling experts David Green and Andrew Hindmarch from Mott MacDonald discuss some of the practical design and construction considerations that may affect TBM performance

Delivering watertight solutions

The BBMV JV successfully waterproofs Crossrail C510 tunnelling works

Island tunnels free of water

Keeping tunnels dry on a mega-link project in Asia is a mammoth task

Dealing with difficult rock

AlpTransit is offering innovative solutions for disturbed geology on the Ceneri Base Tunnel in the Swiss Alps
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WT July/Aug 2014
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COMPANY PROFILES
Russian precious-metals company Polymetal International plc has made significant progress at the Semcha platinum-group metals (PGM) property in the past year as it moves the project towards a preliminary economic assessment
The Republic of Guinea intends to launch, pursuant to the mining Code, a competitive and transparent invitation to tender for three bauxite mining blocks located in the prefectures of Boffa, Boké and Télimélé.
Indochine Mining Limited is developing a high-grade gold project at Mt Kare in PNG by rapidly developing wide, high-grade gold zones
Sarama Resources is a West Africa-focused gold explorer with substantial landholdings in Burkina Faso, Liberia and Mali.
Midway Gold is an emerging, near-term gold producer on track to bring its first million-ounce project, the Pan mine, to production in 2014
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