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Deep Level Mining

New valve system assists mines in their electricity saving initiatives 

By: Sylvester Haskins     4th April 2008 A new cooling car valve which was designed to reduce the pumping cost in dewatering activities in deep level mines and to provide cooling with less water, is a new mining system developed by HPE for the mining industry, reports HPE director and CEO André Swart.  

Additional power provides beacon of light for gold producer

By: Sylvester Haskins     4th April 2008 The announcement of an additional 260-MW allocation of power to the mining sector by the Department of Minerals and Energy (DME) has been welcomed by multinational gold producer Gold Fields, which has four deep-level mining operations in South Africa, namely Kloof, Driefontein, Beatrix and South... 

Mining production is hard hit by electricity supply shortage

By: Sylvester Haskins     4th April 2008 The mining production output for January 2008 was down 10,7% when compared with the same month last year, owing largely to the electricity supply crisis that lead to mine shaft closures with gold production in particular feeling the affects of these closures, reports Statistics South Africa... 

New x-ray machine settles dust around silicosis

By: Sylvester Haskins     4th April 2008 The advent of an x-ray diffraction (XRD) machine promises to enhance research into the harmful affects of silica dust on mine workers, in deep-level gold mines in South Africa. 

As mines go deeper, spotlight’s falling once more on ice technology

By: Leandi Kolver     28th March 2008 A 25-year-old mine-cooling technology using ice is back in the spotlight. The fundamental driver is that a kilogram of ice is able to take up much more heat than a kilogram of cold water. 

Sinking of world’s deepest mine commences

By: Esmarie Iannucci     6th April 2007 AngloGold Ashanti’s TauTona mine will see the sinking of a twin-decline shaft in March this year which is expected to be completed by February, 2012. The sinking project is part of the Below 120 Carbon Leader project and will take TauTona to 3 902m below surface, making it the deepest mine... 

Contractor reaps the benefits of structural transformation

6th April 2007 South African mining contractor Shaft Sinkers has been awarded a number of new contracts. The company underwent a structural transformation during 2006 to better facilitate the different priorities within the company. The contractor now consists of a mining division, s shaft sinking division and... 

Millions set aside for mine safety

6th April 2007 The tripartite Mine Health and Safety Council (MHSC) reports that around 56% of all mining fatalities in South Africa, during 2006 occurred at gold mines, most of which qualify as deep level mines. Around 106 people lost their lives in gold mining operations and around 30% of all serious injuries... 

Gold major to review Driefontein depth expansion

By: Esmarie Iannucci     6th April 2007 The revised feasibility study for the depth expansion of mining giant Gold Field 

Local contractor ventures deeper in Zambia

By: Esmarie Iannucci     6th April 2007 South African mining contracting company Grinaker-LTA Underground Mining Contracting (GLTA UMC) has been awarded the shaft sinking contract at the Konkola deep mining project in Zambia. After considerable negotiations with Konkola copper mines, GLTA UMC, on behalf of Grinaker-LTA construction... 

South Africa’s gold mines delve deeper

By: Esmarie Iannucci     6th April 2007 In 2006, two of South Africa 

Increased potential for intermittent ventilation systems

By: Esmarie Iannucci     6th April 2007 Ventilation and refrigeration experts Bluhm Burton Engineers (BBE) reports that some exciting investigation work is under way to explore the possibilities of the intermittent use of deep shaft ventilation and cooling systems, particularly at the point of application. BBE 

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