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Focus on Angola
15 December, 2005
António Pereira da Silva, Carlos Lopes Gonçalves, and José Cruz Morais discuss the hydro power potential in Angola, and investigate recent developments in the country
Benchmark for Bethlehem hydro scheme
14 December, 2005
Anton-Louis Olivier describes the development of South Africa’s first independent hydro plant
Safely does it at ASDSO conference
14 December, 2005
Despite a last-minute change of venue, the annual ASDSO conference went ahead as planned and provided an insightful discussion about modern dam safety, says Jon Last
Winds of change
14 December, 2005
Technology has been developed which combines a number of small wind turbines with water pumps to create ‘wind dams’, writes Allan McCreadie
Easing erosion
13 December, 2005
A major rehabilitation project was undertaken at the 350MW Svartisen hydroelectric plant after high levels of silt caused severe erosion to the facility’s turbine
Building Pingston
13 December, 2005
Pingston hydroelectric power plant began operating in May 2003, after a challenging construction process
Lessons learned from Kihansi
09 December, 2005
Engineering geology can be used as a tool for resolving contractors’ claims, says Leonard B Kassana, Kato Kabaka and Asbjoern Halvorsern. The following paper presents the lessons learned from the Lower Kihansi hydro project in Tanzania, Africa
Straight to the source of seepage
08 December, 2005
Jim Swaisgood, Jerry Montgomery and Val Kofoed report on the investigative work undertaken to discover the source of seepage at River Reservoir dam in the US
The case of Cleveland dam
08 December, 2005
Neil Singh, Ryan Douglas, Steve Ahlfield and Murray Gant describe the work involved in the construction of an RCC upstream blanket and plastic concrete cutoff wall at Cleveland dam in Canada
Mapping deterioration - seismic tomography surveys
06 December, 2005
Seismic tomography surveys were used to map concrete deterioration within a large arch dam
Group dynamics
21 November, 2005
An interdisciplinary research group has been created at the Lulea University of Technology to help develop new methods in design, operation and maintenance of hydro power equipment
Monitoring behaviour
17 November, 2005
Isabelle Penot, Bruno Daumas, and Jean-Paul Fabre report the methods used by EDF to monitor the behaviour of dams
Redeveloping Loch Raven
16 November, 2005
After a number of studies revealed safety deficiencies at Loch Raven dam, spillway and stability improvements were initiated to ensure safe operation of the US project
Safety research - new tools for dam analysis
16 November, 2005
Yoshihisa Uchita, Hiroaki Noguchi and Victor E. Saouma share their experiences of identifying the state of the art in seismic dam safety, and report on the development of a computational tool to effectively analyse dams, from the simplest through to the most complex structures
A first for fiber optic at El Mauro dam
15 November, 2005
Fiber optic geotechnical instrumentation has been designed for use at El Mauro tailings dam in Chile. IWP&DC takes a look at the world’s first project for this type of application
Establishing connections at Ems barrage
15 November, 2005
Low-voltage switching devices play a key role at the Ems Barrage in Germany. Holger Sönnichsen reports
Private participation in Indian hydro
15 November, 2005
The Government of India has approved the participation of the private sector in the generation, supply and distribution of electricity in the country in order to overcome anticipated power shortages. Robert Goldsmith reports on how this has affected the development of hydro in the state of Sikkim
Renewed and improved
11 November, 2005
As part of its FERC operating license, Brascan Power New York made a variety of enhancements to its 6MW Feeder dam project
Taking care of Canada
09 November, 2005
The Canadian Dam Association’s Executive Director Barry Hurndall took some time out to talk to IWP&DC about the association’s activities and aims
Pumped storage works with wind
21 October, 2005
Mirjam Sick and Alexander Schwab discuss how pumped storage can be used as an integrator of wind energy in the electrical grid