 
		O. A, Adedokun
								
Federal University of Technology, Akure, Nigeria
P.M.B. 704, Akure, Ondo State		
Nigeria	
Quantity Surveying Department
Principal Laboratory Technologist
		A. O. Akinmusire
								
Department of Quantity Surveying 
Faculty of Environmental Studies 
Rufus Giwa Polytechnic, Owo, Nigeria		
Nigeria	
Lecturer
		D. Abiola-Ogedengbe
								
Federal University of Technology, Akure, Nigeria
P.M.B. 704, Akure, Ondo State		
Nigeria	
Quantity Surveying
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