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Content Type News (3) Features (16)
Date 2009 (2) 2006 (5) 2005 (2) 2004 (1) 2002 (2) 2001 (3) 2000 (1) 1998 (3)

Tunnelling at Bogong
12 June, 2009
Bogong power station in Australia was always envisaged as part of the Kiewa Valley hydroelectric development in Victoria, but it was never built. However project owner AGL recognised that completion of this scheme addressed future peaking and renewable energy requirements in the state, without the need for a new dam. Paul Thomas of McConnell Dowell highlights the tunnelling components of Australia’s largest hydro power project for 25 years

Rounding up equipment
17 March, 2009
IWP&DC presents a roundup of some of the latest equipment to hit the hydro power and dam construction marketplace

Billion-dollar dam - drilling at Nam Theun 2
18 December, 2006
The Nam Theun 2 hydroelectric plant is a landmark project in Asia and the biggest construction project ever undertaken in Laos. Landlocked and heavily forested, the location of the site presents its own challenges to the contractors selected to work on the project. Here we look at how drilling was performed in such difficult conditions

Soft ground tunnelling at Middle Marsyangdi
12 December, 2006
Ram Hari Sharma presents a case study of Middle Marsyangdi hydroelectric project in Western Nepal and describes the tunnel excavation technique using steel pipe canopy where the ground condition is loose, unconsolidated or exceptionally poor rock mass

Drilling at new heights
16 March, 2006
Heavy-duty drill rigs are being used to construct the Bakun hydroelectric project, one of the highest CFRDs in the world

Vast expansion at Sauda-Sonna
28 February, 2006
Maurice Jones visited Norway’s Sauda-Sønnå project and discovered that speed was an essential ingredient during construction work to extend the areas hydro resources

Tapping the potential at the Klovtveit project
03 January, 2006
High speed drill bits are being put to use in Norway’s Kløvtveit hydroelectric project

A stable environment
14 July, 2005
MAI Self Drilling Anchors have been used at the Tala Hydro project for stabilisation of the desilting chamber walls and for tunnelling in poor rock mass conditions on the headrace tunnel

Second stage
16 March, 2005
M M Madaan discusses the rock formations that will be encountered during tunneling works at the Parbati hydroelectric project stage II in India, and explains how the project developers are planning to achieve the completion schedule in five years

Sensitive situation at Tyin hydro plant
19 March, 2004
Environmentally sensitive construction was a requirement when work began on replacing a 1940’s built hydro station in Norway

Excavation works... pump up the volume
01 February, 2002
One of the biggest shafts in the world is being excavated at the Venda Nova hydro plant in Northern Portugal. Janet Wood reports on how the project will bring much needed power to the Portuguese grid, and allow the plant to act as a pumped storage station

Going underground
01 January, 2002

Norwegian break through
16 November, 2001
The design and construction of a headrace tunnel in Costa Rica was carried out according to Norwegian codes of practice

Follow the drill
15 October, 2001

Training in Costa Rica
13 February, 2001
When purchasing grouting equipment from Atlas Copco Craelius for the construction of the Angostura hydro power project, training was an important consideration for the State Electricity Board of Costa Rica

Public and environmental awareness
16 October, 2000

Rock solid
10 November, 1998
Can rockbolt design lives of 100 years or more be justified? The evidence so far is that it can, says David Baxter, providing that bolts are rigorously corrosion protected and installed, but this has been the case on few projects.

Digging in for the future
10 September, 1998
Underground work can be the slowest part of the construction process for a large dam and hydro project. Janet Wood discusses the future of this important part of the industry with major players Atlas Copco and Tamrock

As good as new
11 May, 1998
The use of reconditioned tunnel boring machines is on the increase. Joseph Roby* considers why, and looks in detail at a Japanese project where a reconditioned machine was used

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