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Kuyasa Pumpstation, Khayelitsha. |
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Two stage well point dewatering system. Approximately 800 well points connected to 10 x 6" diesel pump sets. Volume of water pumped was 3 500 m3/hour. Period of contract 6 months. Total drawdown 8.5 meters. |
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Dewatering Vodacom Phase 2 |
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Well point dewatering and open pumping. Dewatering lines were fitted in stages on the inside of the lateral support and lowered as excavation proceeds. A combination of well point dewatering and open pumping were utilised. Total excavation dept was 16 meters below natural ground. Contract period 5 months. Temporary sump pumps were used once sumps were constructed at final level until permanent pumps were fitted. |
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Dewatering: Melkbos Hotel |
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Wellpoint dewatering on outside of excavaion. Intermediate lime stone layer at 4.5m with well points installed at 7 meters. Water removed at 160m3/hour - 24 Hours. |
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Dewatering: Caltex Forecourts |
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Wellpoint dewatering for Chevron on refirbishment of various service stations i.r.t. fuel tank replacement. |
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Dewatering: Estuaries Office Complex |
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Wellpoint dewatering for office complex in Century city. Wellpoints exceeding 350 were installed on rockbed at various depts ranging from 3 - 7 meters. Period 10 months. |
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Dewatering: Rialto Bay Building |
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Wellpoint dewatering on perch water table with sump pumping on rockbed at 2.5 meters below sea level. |
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Dewatering: St Helena Bay Sewer Pump Station 2 |
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Open pumping in lime stone layers. Excavation at 5 meters below sea level. Water boils at bottom of excavation. Water removed at 700m3/hour. |
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Dewatering: St Helena Bay Sewer Pump Station 1 |
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Wellpoint dewatering with 44 wellpoints including open pumping. Total exavation 4.5 m below sea level. Water removed at 700m3/hour - 24 Hours. |
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Dewatering: Hyburg Park - Bulk Water Supply |
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Wellpoint dewatering for 1.5m bulk water supply line. Installation of 90 wellpoints. Water removed at 500m3/hour - 24 Hours. |
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Dewatering: Island View Building |
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Wellpoint dewatering along one side of the site as to allow for the construction pile caps and lift shaft. Installation of 60 wellpoints at 3.5m below sea level. Water removed at 160m3/hour - 24 Hours. |
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Domestic 1 |
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General well point pump stations supplying irrigation systems. Neglected Pump. |
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Domestic 2 |
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General domestic well point pump stations. Water tanks with booster pumps and bore hole pump Installations. |
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