practices such as intensive cultivation of steep slopes without adequate conservation measures and excessive weeding by hoe; (b) Overexploitation of the aquifers, through over-pumping of wells, which has resulted in sea water intrusion, leading to the salinization of soil and water in the valley ...
“We travel from here [Southern Region] to the North to install or maintain some water pumping systems because there are no other entrepreneurs in the North or Centre to match our capability and quality standards. More time is spent travelling and the distance adds to the cost of the system...
Firstly, it is necessary to select the main pipes of the systems for rehabilitation and resizing in order to improve the systems’ hydraulic parameters (e.g., velocity and head losses) and, consequently, to reduce the power demand. Both pumps’ selection and resizing of the main pipes are ...