[1] Durban University of Technology, Faculty of Engineering & the Built Environment, Chemical Engineering Department, Durban, South Africa
[2] Durban University of Technology, Faculty of Engineering & the Built Environment, Mechanical Engineering Department, Durban, South Africa
[3] Durban University of Technology, Faculty of Engineering & the Built Environment, Electrical Power Engineering, Durban, South Africa
[4] Durban University of Technology, Elecronic and Computer Engineering, Faculty of Engineering & the Built Environment, Durban, South Africa
[5] Durban University of Technology, Construction Managemnt and Quantity Surveying, Faculty of Engineering & the Built Environment, Durban, South Africa