The goliath 210ML reservoir is one of the largest cylindrical post- tensioned concrete reservoirs in the world and its construction is a lesson in innovation.
This iconic project for Uni-Span will store potable water for the eastern areas of Johannesburg and Ekurhuleni,
a system that has been under severe strain due to increased demand from urban expansion.
Vlakfontein Reservoir Facts;
• 154 m internal diameter – the length of one and half football fields
• 256 round reinforced concrete columns, 600 mm in diameter, to support the roof slab
• Walls that taper from 1100 mm at the base to 300mm at the top
• 11.8m high - similar to a three-storey building
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