1. CEO, Uganda Electricity Generation Company Limited, Plot 6-9 Okot Close Bukoto, P.O. Box 75831, Kampala, Uganda.
2. Head of Research and Business Development, Uganda Electricity Generation Company Limited, Plot 6-9 Okot Close Bukoto, P.O. Box 75831, Kampala, Uganda (corresponding author). ORCID: .
3. Emeritus Professor, Dept. of Civil Engineering, Univ. of Cape Town, Private Bag X3, Rondebosch, Cape Town 7701, South Africa. ORCID:
4. Emeritus Professor, School of Civil and Environmental Engineering, Univ. of Witwatersrand, 1 Jan Smuts Ave., Braamfontein, Johannesburg 2000, South Africa.