Have you autocad file or only hand sketch. by the way let me introduce myself
I am civil engineer working in UAE from last ten years.
Since 2011 I am working with 3D modelling, now working with sketchup & oviously with Autocad. I completed some prestigious projects like Fujairah in 3D for google with Vectual City Franch.
I did some exterior modelling for buildings, ware house, villa etc.
Give more information about your project
Let me start I ensure of your satisfaction.