You searched for
Giving the green light for BC small hydro
16 December, 2008
Independent power producers are taking up the challenge to develop British Columbia’s plentiful supplies of small hydro. Suzanne Pritchard reports
Diversion works
16 December, 2008
César Alvarado-Ancieta presents information on the river diversion works being carried out during construction of the Imboulou and Bujagali hydro power projects in Africa
Powering up for fish passage
16 December, 2008
A new fish collection facility is currently under construction at the Pelton Round Butte project in the US. Scot Lawrence and Chad Croft give more details
Behind the gate
10 December, 2008
IWP&DC presents a roundup of developments in water control gate technology
Dealing with droughts
10 December, 2008
Hydro Tasmania has notched up almost a century’s experience within the hydro power industry. However, it is only within the past two years that the Australian utility has had to face its worst drought events. IWP&DC spoke with David Marshall, manager of energy resources, to discover how hydro resources are faring
How to make hydro acceptable
10 December, 2008
Carefully established principles to help gain public acceptance for hydro projects have been put into practice in New Zealand
Telling hydro's tale
10 December, 2008
A book which traces the development of hydro power in Tasmania has become a best-selling title in Australia. By sharing their work and family experiences of the hydro industry, past and present employees of Hydro Tasmania have made this unique book an astonishing success
Building RCC dams on sand foundations
12 November, 2008
Although RCC is generally not used for small dams on sand foundations, the design requirements of the Upper and Lower Aetna Lakes project made it the preferred alternative
Lessons from the past
05 November, 2008
Kenneth D Hansen provides an insight into what today’s engineers can learn from the first five years of RCC dam construction in the US
Still going strong: 80 years on
05 November, 2008
ICOLD president Luis Berga invites readers to help celebrate the success of the organisation over the past 80 years. But what does the future hold for the industry stalwart?
FloodRanger aims high and dry
31 October, 2008
FloodRanger World is an investigative software tool which can help manage flood defences through future climate change scenarios
Making space for water
31 October, 2008
What role can technology play in mitigating the increasing risks of major flooding? Is it possible to be more precise in forecasting where the problems may lie? To find the answer, Mike Woolgar discusses the role of mapping and modelling in combating flood risk, using the UK as an example
Switching gears at Muddy Run
31 October, 2008
A major generator switchgear upgrade is being undertaken at Muddy Run pumped storage scheme in Pennsylvania, US
Striking a middle ground for dams, people and nature
31 October, 2008
Marc Goichot explains what role conservation organisation WWF will play in the balancing act between energy and ecosystem demands in the Mekong river basin
Dealing with water inflows at Jinping
10 October, 2008
Construction of access tunnels A and B for the Jinping hydro power project in China was delayed for almost six months due to high pressure water inflows. Ziping Huang and Shiyong Wu present details of the water inflow problems with a focus on the characteristics of the flows, the impact on geological structures, and the change of strategy to cope with the flows. Given the difficulties encountered during excavation, the authors explain how the project is considered a great achievement in rock tunnelling
Compact solution
10 October, 2008
Nine Dynapac CA250 vibratory roller compactors have been delivered to Malaysian contractor Gamuda Bhd at the site of the Nam Theun 1 hydro power project in Laos, where they will be used for construction of the 177m high RCC dam and for building and maintaining the access roads.
A stable environment
10 October, 2008
Châtelot hydroelectric project, located on the River Doubs on the Franco-Swiss border, has been used to generate electricity since it was first commissioned in 1953.
Flood protection for Edinburgh
03 October, 2008
The Braid Burn flood prevention scheme in Scotland is designed to offer the city of Edinburgh a 1 in 200-year standard of protection. Clive Osbourne gives an insight into the project, which is due for completion in 2010
Runner core cavitation near full load in Francis turbines
03 October, 2008
Experimental evidence has shown that spiral-form cavitating vortex ropes may appear at full load of Francis turbines. The pressure fluctuations arising simultaneously with the spiraling vortices may endanger the turbine. These flow instabilities are explained in this paper based on the theory of rotating stall. By P Krishnamachar, Arpad A Fay and Saroj Rangnekar
Pulling the trigger on RTS
03 October, 2008
The International Commission on Large Dams (ICOLD) has published a new informative bulletin on reservoir triggered seismicity