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JG Afrika (Pty) Ltd were responsible for providing a full scope of services, ranging from preliminary design, detailed design and documentation through to contract administration and site supervision for the Hankey wastewater-treatment system.

It features an activated sludge treatment system, which incorporates the UCT process for biological COD, nitrogen and phosphorus removal.

The design included a new intake works, aeration reactor with anoxic and anaerobic zones, as well as a 10 m diameter clarifier.