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Kuala Lumpur names project manager for MRT
22 December, 2010
Kashmir railway breakthrough
22 December, 2010
Portals and protection
21 December, 2010
Work on construction of insitu concrete portals and installation of water and frost protection (WFP) benefited from a gathering of innovative ideas and systems
Geological challenge
21 December, 2010
Iceland’s complex geology can provide for markedly varied tunneling conditions and sometimes groundwater problems, such as faced on some earlier road tunnels and also more recently at Olafsfjordur Tunnel on the Hedinsfjordur project
Preparing the way
21 December, 2010
With an Icelandic contract, Norwegian tunnel design standards and international bidders, a range of local and foreign engineers were assembled to prepare for construction of the Hedinsfjordur project, which includes the country’s longest road tunnel
Ties that bind
21 December, 2010
A two-tunnel solution was chosen to overcome the coastal mountain barriers of North Iceland to connect the remote, former fishing hub of Siglufjordur with neighbouring Olafsfjordur and beyond
It’s Open!
21 December, 2010
The opening of Hedinsfjordur Tunnel brought myriad celebrations and activities. The eagerly awaited new road link is popular and has strengthened yet further the bonds between the communities of Siglufjordur, Olafsfjordur and towns beyond
Road Tunnels in Iceland
21 December, 2010
Iceland is building more road tunnels, and they are getting longer. The most recent and longest scheme to date, is Hedinsfjordur Tunnel, which has two single tubes totalling 11km. Built by Metrostav-Hafell JV, the tunnels opened to traffic in October
Driving Siglu
21 December, 2010
Siglu Tunnel was the first to complete and the more straightforward of the two bores on the Hedinsfjordur road project but it was not without its own tunnelling challenges
Excavating Olafs
21 December, 2010
Driving the Olafs Tunnel was the longer and the tougher challenge by far of the two road tubes on the Hedinsfjordur project, the main cause being groundwater
Windsor-Essex Parkway reaches financial close
20 December, 2010
Tibetan tunnel breaks through
20 December, 2010
Changes for Legacy Way tunnel
17 December, 2010
Contract awards for Malaysian hydropower project
17 December, 2010
California and feds support 40 mile tunnel
16 December, 2010
National Grid calls for input on undergrounding cables
15 December, 2010
Capitalising on competition
14 December, 2010
Breath of fresh air
14 December, 2010
Tunnels often have a bad name for air quality, some deservedly. A new report next year by the World Road Association (WRA), aims to set tunnel air quality standards for a range of airborne pollutants. Dr.Fathi Tarada, co-chairman of the WRA Working Group on Air Quality, Ventilation and Fire, also managing director of Mosen, explains
Winds of change for tunnels environment
14 December, 2010
Improved standards of ventilation, the need for economy and provision for emergencies are all combining to create increased demands on tunnel ventilation design, plant and control. Maurice Jones reviews some of the latest developments
Capital metro expansion
14 December, 2010
In a race against the clock, contractors on the Delhi Metro have had to go ‘all guns blazing’ to make the tight deadlines laid down by the client. Jon Young spoke with Pawan Bhasin of contracting joint venture ITD (Ital-Thai Development)-ITD Cementation about the experiences on contract BC 24