The Grundfos is not movable because of the weight and is therefore installed in a galvanised tank to avoid theft and damage. No problems have yet been encountered regarding the operation of the solar pumps. They are easy to use with one on-off switch. The SF2 is quickly affected by little...
Boreholes are now drilled up to 60 m or more as compared to the 40 m in Harare. There has been direct impact on wetlands. Boreholes in low-density areas must have specifications. On the ground, the borehole septic tank ratios are too high. Boreholes should be 100 m away from ...
(municipality of Tulua: 330 L/s); (5) septic tank + upflow anaerobic filter (six municipalities, flow: 2–50 L/s); (6) preliminary treatment + anaerobic pond + aerobic filter (two municipalities, flow: 15–25 L/s); (7) preliminary treatment + dissolved air flotation unit (DAF) (...