GOLD FIELDS SOUTH DEEP GOLD MINE DOORNPOORT TAILINGS STORAGE FACILITY (TSF)
I n 2007 Golder Africa (now WSP in Africa) and Metago (now SLR Consulting) were appointed, to and in 2009 completed the design of the Doornpoort Tailings Storage Facility (TSF), a 400 ha TSF with a 14 ha, one million cubic metre HDPE lined Return Water Dam (RWD). The design of the TSF included, but was not limited to, the following infrastructure: • Earthfill starter walls. • Concrete encased penstock decant outfall pipeline including six temporary penstock intakes and one permanent penstock. • Underdrainage systems within the TSF (toe drain, main drain and cut-off curtain drains) along with a drainage collection system downstream of the TSF wall. • Catchment paddocks with associate decant structures. • Silt trap. • Three pump stations (2x slurry and 1x water).
appointing the same consultants and as the owners’ team for Phase 2 (140 ha) and again WBHO was appointed as the main contractor for a 1-year project. The main components of the Phase 2 project consisted of bulk earthworks, main and toe drains, two concrete penstock towers, choke station and 4,6 km of steel HDPE lined pipelines.
PROJECT INFORMATION
• Company entering: WSP Group Africa and SLR Consulting • Client: Gold Fields South Deep Mine • Start date: 16 May 2021 • End date: 3 1 September 2022 • Main Contractor: WBHO • Project Manager: WSP Group Africa • Quantity Surveyor: Bossert KPO • Consulting Engineers: WSP Group Africa and SLR Consulting
• Three motor control centres. • 12 km of overhead powerline. • Two provincial road crossings. • 35 km of steel HDPE lined pipelines.
Due to WSP and SLR’s history with providing project management and resident engineering support during the success of Phase 1, the client saw the benefit of
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21 st Best Project Awards 2022
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