1. Department of Civil Engineering, Regional Water and Environmental Sanitation Centre Kumasi (RWESCK), Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
2. Department of Environmental Management and Technology, Koforidua Technical University, Koforidua, Ghana
3. Department of Civil Engineering, Koforidua Technical University, Koforidua, Ghana
4. Department of Geomatic Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana