Construction World October 2017

and completed in July 2016. The decks were launched to within five metres from each other: the last five metres of deck was cast insitu and is referred to as the “stitch” which neatly and monolithically joins the decks together. Like the final piece of a giant Lego puzzle, it was the stitch that was placed in position on 4 August. “The final position of the decks, transversely, was 7 mm from the design position and 0 mm difference in level from the design level.

“Given the size of the decks and the fact these decks were launched from the two opposite ends of the site, this accurate final position is a testimony of the workmanship and world class engineering capabilities in South Africa,” said Van Schalkwyk. “The positioning of the stitch between the north and south ramps to close the gap may well be considered as the crowning achievement and is testament to not only design excellence but also implementation,” he said. 

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CONSTRUCTION WORLD OCTOBER 2017