AutoCAD Pool Cabana Drawings

I have hand-sketched a 12 m × 4 m poolside cabana that has a small office and I now need those sketches turned into clean, construction-ready drawings. The look is deliberately modern and the primary structure will be concrete, so the drawings must reflect that material choice throughout... (Budget: $250 - $750 USD, Jobs: 3D Modelling, AutoCAD, Building Architecture, CAD/CAM, Drafting, Revit)