African Design Magazine October 2015 | Page 59

Feature Steel Awards 2015 Winner Mining and Industrial Category: Medupi Power Station-Air Cooled Condenser In 2007, GEA approached A. Leita and Kentz to submit a bid for the Medupi air cooling structures, some 26 000 tons of steel. Leita teamed up with Cadcon and Boksan Projects and formed the ABC Joint Venture with Leita leading the fabrication team with Kentz doing the on-site work. “And what a great business decision that was for all the players,” the judges said. “They are one of few power station contractors which can proudly boast to being on time and having produced a virtually problem-free, high quality product.” According to the judges, when one visits the site, because of the enormous boiler houses which stand close to the air cooling units, one is surprised to learn that each unit has over 4 000 tons of steelwork. “To grasp just how big a project the air cooling actually is, it was necessary for us to drill down into what makes these units tick,” they said. There is an air cooling unit for each of the six boilers; the radiators sit on a structural steel support structure; floor beams are covered with 4mm floor plates; an A-frame structure is fabricated out of heavy H beams; and the fan bridges span between the main girders. Read more here africandesignmagazine.com 59