I dont want to be the first to commentA summary of the reports findings has been written by Elizabeth Ingram of Hydroworld.com –“The fact that this incident happened to the owner of the tallest dam in the United States, under regulation of a federal agency, with repeated evaluation by reputable outside consultants, in a state with a leading dam safety regulatory program, is a wake-up call for everyone involved in dam safety.The AfDB has already funded the works to repair the plunge pool which has been the source of worry. About forty per cent of the electricity-generating capacity of twelve southern African nations would be eliminated.The World Bank and other international financiers like dams because they seem to offer large-scale solutions to energy and water shortages. A call to which the government responded by halting plans to build it.
Rising levels led to the opening of the floodgates in March 2010, requiring the evacuation of 130,000 people who lived in the floodplain, and causing concerns that flooding may spread to nearby areas.
“It takes a long time to carry out the necessary due diligence and secure the financing for a complex project like this,” Munyaradzi Munodawafa, the chief executive of the Zambezi River Authority, which operates Kariba, told me in an e-mail. "You may have heard all the stories about the imminent collapse of the Kariba Dam wall.
This is the first step in a renewable energy development project promoted by the Ukrainian government in the area.President Magufuli in unmovable in going ahead with the Stiegler’s Gorge dam despite conservationists’ warnings of the damage it will cause the Selous Game Reserve’s ecosystem and wildlife.Robben Island’s solar energy micro-grid project will produce almost one million kilowatt hours of electricity annually, significantly reducing the cost and impact of buying diesel.A federal court in Washington, D.C. has struck down the Dakota Access Pipeline, following years of campaigning by the Standing Rock Sioux tribe.The governments of Zimbabwe and Zambia have raised around 295 million dollars from international investors, out of the 300 million dollars target set for repairing the cracks that were discovered during assessments of the dam. These reviews should be based on complete records and need to be more in-depth than periodic general reviews, such as the current FERC-mandated five-year reviews.Funny enough the article is based on an American dam.
And dams are particularly ill-suited to climate change, which simultaneously requires that they be larger (to accommodate the anticipated floods) and smaller (to be cost-effective during the anticipated droughts).Getting through the Swiss Alps the hard way.Since the nineteen-nineties, Kariba’s operators have been allowed to open only three of the dam’s six floodgates at a time, for fear of enlarging the plunge pool. Opened in 1959, it was built on a seemingly solid bed of basalt. By providing this information to our clients and other risk managers in the IRMSA network, we hope to empower you to make the right decisions with regards to the risks you and your company may face.”“We were too ambitious with our targets,” Mbiriri said. This should be required reading for the ZRA, ZESCO, and all relevant people in the Ministry of ENERGY, especially the Minister.In the end, the lessons learned are probably the most important take-away from the incident and provide a way forward for dam safety worldwide. Rehabilitation works on the project include; reshaping of the plunge pool downstream of the dam wall, which commenced in 2017, and the rehabilitation of the spillway.
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