Heavy-Duty Steel Platform Design

I need a steel platform designed and engineered for industrial work use. The platform will be installed in a small area (less than 100 sq. ft.) and must support heavy loads (over 2000 lbs). I will attach preliminary concept drawings with dimensions... (Budget: $1500 - $3000 AUD, Jobs: AutoCAD, Building Design, CAD / SolidWorks, Civil Engineering, Construction Engineering, Engineering, Industrial Design, Industrial Engineering, Mechanical Engineering, Structural Engineering)