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Potable water from Coega Kop groundwater scheme, South Africa
Addressing the critical need to diversify and supplement its existing water supply, the Nelson Mandela Bay Metropolitan Municipality (NMBMM) is well on track to develop a major groundwater scheme.
The municipality appointed Zutari to provide professional engineering services for planning, design, procurement documentation, and construction administration for a project to abstract and treat water sourced from the Coega Kop wellfield, located about 30 km north-east of Port Elizabeth.
The overriding challenge was that the groundwater contains relatively high levels of dissolved iron and manganese, which needs to be removed to make the water acceptable for public consumption. Biofiltration technology is being used to provide an affordable, sustainable and reliable treatment solution. The plant’s treatment capacity of 20 Ml/d, making it the second largest municipal iron and manganese biofiltration facility of its kind in South Africa.
Zutari employed an innovative approach to deal with the challenging, highly-collaborative interaction required between all stakeholders and involved professional services. The creation of a suite of treatment process visualisations addressed the complexity of the whole project, from approvals and design through to eventual operation. 3D modelling facilitated simultaneous design collaboration between engineering and architectural disciplines, and enabled the development of a virtual reality (VR) model.
Examples of the successful use of the VR experience were:
The success of this project is showing the power of immersive technology, such as VR, in not only conveying ideas, but in creating a richer context for interaction with a project.
Our innovative use of digital tools successfully addressed the challenge of collaborative, multidisciplinary design for complex infrastructure. “Zutari has created a solution that we believe will benefit the people of Nelson Mandela Bay for many years to come,” says Brendon Theunissen, Zutari Technical Director – Water Treatment.