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TBMs take center stage
27 September, 2011
Here we take a look at some of the latest hydro schemes under development where a tunnel boring machine (TBM) is playing a starring role

‘Big Becky’ breaks through at Niagara Tunnel project
16 May, 2011
The world’s largest hard rock boring machine – named Big Becky – has successfully achieved breakthrough at the Niagara Tunnel Project, Ontario Power Generation has announced.

Nearing breakthrough at Niagara
21 February, 2011
Richard Everdell is the project director for Ontario Power Generation’s Niagara tunnel project. He gives IWP&DC an update on how work is progressing

Niagara progress
10 August, 2010
Progress is pushing ahead on OPG’s Niagara power tunnel after earlier geological difficulties. By Patrick Reynolds

Focus on refurbishment
08 July, 2010
Over the past few years there have been some impressive refurbishment projects undertaken in the hydro power and dams industry. Here, IWP&DC presents details on 10 of the most interesting and innovative projects underway or recently completed in North America

Properly equipped
02 March, 2010
IWP&DC presents details on the latest equipment available on the market for tunnelling work at hydro power projects

OPG’s Niagara tunnel build pushes ahead despite rock fall
18 September, 2009
Planned maintenance work has been brought forward for tunnelling equipment on Ontario Power Generation’s (OPG) Niagara Tunnel project while a small rock fall at the temporary lining is investigated and repaired.

New tunnel to optimize hydro potential at Niagara
27 May, 2009
Ontario Power Generation’s Niagara tunnel project includes the planning, design and construction of a 10.2km long, 12.7m internal diameter tunnel and associated facilities to divert an additional 500m3/sec of water from the Niagara river upstream from the Horseshoe Falls to the existing Sir Adam Beck generating stations near Queenston. The design/build contractor, Strabag, is using the world’s largest hardrock tunnel boring machine to excavate the tunnel. By Richard A Everdell

Synchronized tunnelling at Niagara
14 May, 2007
A number of operations are being carried out simultaneously to save time during construction of Ontario Power Generation's Niagara Tunnel project

Borcka plant inaugurated
25 April, 2007
The Borcka hydro power plant on the Coruh river in Northeastern Turkey has been inaugurated by the country's prime minister Recep Tayyip Ergodan.

Niagara's new addition
21 September, 2005
A 10.4km tunnel is being constructed to supply additional water from above Niagara Falls to Sir Adam Beck hydroelectric complex in Ontario, Canada

New tunnel for Niagara Falls
19 August, 2005
Ontario Power Generation (OPG) has awarded Strabag AG a contract to design and construct a new 10.4km long tunnel to supply additional water from above Niagara Falls to the Sir Adam Beck power plant at Queenston Heights, Canada.

KHRP urges Moratorium on new dam projects
03 June, 2003

Twin role for drilling rigs
04 October, 2002
Drilling rigs are aiding earthmoving operations involving 600,000m3 of rock per month at the twin Borcka and Muratli dams in Turkey

Birecik: a role model for private companies
16 April, 2001
The Birecik hydro power project in Turkey demonstrates the effective role private companies can play in the planning, financing and construction of hydro power plants

Asphalt concrete cores for embankment dams
10 February, 2000
More than 70 embankment dams with asphalt concrete cores are currently at the design stage, under construction or in operation worldwide. Helge Saxegaard gives a brief historic background to this type of dam

Update on Birecik
13 April, 1999

Borcka and Murati orders announced
13 April, 1999

Contractors move in to Goldisthal
09 July, 1998

Diverting the Yellow River
12 January, 1998
The future development of the Yellow River in China depends on the Xiaolangdi multipurpose dam site. Li Qiyou, Wang Xianru, Lin Xiushan and Zoltán V. Solymár* discuss how well this important project is progressing.