Wastewater

Sanitation planning for eThekwini

Following the completion of conceptual wastewater feasibility studies and financial modelling, eThekwini Municipality now has a master plan for bulk sanitation in two of its catchments.

The studies and bulk sanitation infrastructure and costs were based on actual modelling, undertaken considered human settlement information provided by the by Bosch Projects housing plans, sanitation backlog eThekwini Wastewater and Bosch Capital – areas and future developable Operations Department. members of the Bosch Holdings areas. These wastewater feasibility A life-cycle costing approach group of companies – included design studies – which involved was applied over a 20-year period a conceptual level infrastructure engineering, financial, social and the project returns for each planning exercise for the Umlazi and environmental factors – of the possible scenarios were and Umhlatuzana catchment areas were based on a high-level compared through the use of within eThekwini Municipality. approach incorporating indicators such as net present

The planning reports will serve as infrastructure designed for fully value (NPV), internal rate of return a master plan for the municipality, developed catchments.” (IRR), payback and discounted providing a strategic motivation This project, with an anticipated payback period. for bulk sanitation augmentation value of over R1 billion, spans The team conceptualised a and infrastructure investment 43 000 ha and will benefit multicriteria decision matrix, within these catchments over the 1.2 million people, which incorporating weighted scoring short, medium and longer term. comprises a backlog of where applicable, to critically and

According to Jason Holder, approximately 280 000 people transparently evaluate each of the divisional manager: KZN who are currently without potential scenarios. Parameters Wastewater, Bosch Projects, the sanitation services. that were included in the scoring purpose and objectives of the bulk matrix included environmental, sanitation/wastewater catchment Financial modelling capex, opex, life-cycle costing, studies were to present the most As part of financial modelling and social benefit (backlog eradication) favourable options to best serve cost benefit analysis components and alignment with eThekwini key areas in the short to long term. for this project, capital costs Municipality’s strategic planning.

“We also needed to assess the were calculated for the new The Bosch Projects and Bosch impact on existing and future infrastructure, while operational Capital teams worked closely with key stakeholders within eThekwini Municipality to obtain relevant information for future developments, guidance and approval, where necessary. They also ensured the successful delivery of a project that was well designed to meet the client’s requirements.