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WT JUNE 2009

Gautrain hits the 90% mark

Dr Barbara Jensen, a spokesperson for Gautrain, has confirmed that 13,552m – 90% –of the 15km tunnel, which will form part of the Gautrain network, is now complete.

CzTA calls for papers on transport and city tunnels

The Czech Tunnelling Association (CzTA) has announced a call for papers for the 11th International Conference of Underground Construction, held in Prague, Czech Republic, on June 14-16, 2010.

Water-recycling project scoops prize

A Singapore water-recycling scheme has won ‘Water Project of the Year’ at the annual Global Water Awards.


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Global News

Gautrain hits the 90% mark

Dr Barbara Jensen, a spokesperson for Gautrain, has confirmed that 13,552m – 90% –of the 15km tunnel, which will form part of the Gautrain network, is now complete.

Big clean-up

Work to bore a 3.3km-long tunnel beneath West Ham, East London, began on April 28 as part of a US$106 million scheme that will be in place by next spring to protect over 600 homes from sewer flooding.

Jacobs Associates appoints new principal

Underground engineering specialists Jacobs Associates has promoted Rafael Castro to the position of principal.

Transport expert set to join Halcrow

Bob Brownstein will join Halcrow’s consulting business group as VP and regional director.

Robbins to deliver TBM to Laos

Robbins has announced that it is to deliver a TBM for a new hydroelectric project in Laos.

CzTA calls for papers on transport and city tunnels

The Czech Tunnelling Association (CzTA) has announced a call for papers for the 11th International Conference of Underground Construction, held in Prague, Czech Republic, on June 14-16, 2010.

Herrenknecht's Bosporus break

On April 13, a Herrenknecht TBM reached its target shaft on the Asian side of Istanbul having tunnelled under the Bosporus.

NCC renovates Freifjord tunnel

Norway's NCC Construction has been commissioned to renovate the 5km-long Freifjord tunnel in Vestlandet, Norway.

Minova expands resin production

Mining and construction consumables producer Minova has expanded its Minetek plant in Hyderabad, India.

Water-recycling project scoops prize

A Singapore water-recycling scheme has won ‘Water Project of the Year’ at the annual Global Water Awards.

Heathrow to get biggest baggage system

Work has begun on Heathrow Airport’s world-beating integrated baggage system.

Crossrail construction begins

The first of almost 400 18.5m-deep, steel, tubular piles, have been placed, signalling the start of construction on London's Crossrail project.

Lovat's Olympic training

LOVAT has begun a series of TBM deliveries that will play a vital role in building infrastructure tunnels for the 2014 Russian Winter Olympics.

Robbins aids Baku irrigation project

Robbins has completed the assembly of an EPBM machine in Guangzhou, China, for use at the Samur-Apsheron Irrigation Project in Baku, Azerbaijan.

Morgan Est finishes National Grid work at Croydon

UK infrastructure firm Morgan Est has announced the breakthrough at its 10km, US$98.3 million Croydon electricity tunnel for National Grid.

Federal support for New Jersey ARC tunnel

President Obama has designated US$200 million towards the construction of the ARC Mass Transit Tunnel in New Jersey.

Parsons Brinckerhoff re-employs duo

Parsons Brinckerhoff (PB) has reinstated former employees David McAlister and Paul Morris to senior management positions
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Features

Sealing the Dobrovskeho tunnels

Minova's Bohemia Geotech Division and Minova International Tunnelling Division outline the grouting used to stabilise the Dobrovskeho tunnels in the Czech Republic

Multi-modal magic

David Bernardi, David Crouthamel and Erin S. Hohenshelt discuss a unique tunnel rehabilitation scheme, combining both railway line and pedestrian pathway, which has been hailed as a paradigm of partnering and risk sharing

Leading on risk

Professor Arnold Dix of Queensland University of Technology and an independent consultant, is a technical/legal expert advisor and world authority on managing the risks associated with tunnels and underground infrastructures. He also specialises in operational safety, as well as in contractual, political and insurance issues for complex tunnel projects.

Victory in sight

Jack Burke reports from Colorado, US, on the Arrowhead East and West tunnels, a part of the Inland Feeder conveyance system which will have a 28.3m3/sec water capacity when completed in 2010.

Optimal plant design

Ben Clark of Derrick Equipment Company (Civil & Underground Construction) looks at some of the factors to be considered when designing slurry separation plants.

Roadheaders lead Olympic line-up

Sochi is building a spate of tunnels as part of new infrastructure that will have to be in place before the flame is lit for the 2014 Winter Olympics. Roadheaders are playing a significant role in this process.

A high-altitude smoke challenge

In this abridged paper, Richard Lau and Nai Chin, both of Hyder Consulting Pty, Sydney, discuss the challenges and strategies for smoke control design in long road tunnels at high altitude.

Hindhead A3 tunnels update

Early contractor involvement and leading edge design and construction thinking have delivered flexibility and programme wins, says Tony Rock of consulting engineer Mott MacDonald.

RETC to rendezvous in Vegas

Held bi-annually in North America, the Rapid Excavation and Tunnelling Conference (RETC) will be held in Las Vegas this month, covering every aspect of tunnel design and construction. George Demetri takes a selective look at what will be on offer.
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WT June 2009
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