Profile: Outsource Structural Drafting (OSD) is specialized in providing structural drafting and structural detailing services. Our services include structural drafting and detailing, steel detailing, CAD conversion services, BIM 3D/4D modeling, shop drawings, Revit/Tekla/Rebar structure service, and 3D CAD modeling. We also offer erection drawings, framing blueprints, sheet metal layouts, post tension & joist detailing, grating layout & material list, beam/column/slab connection drawings, and joist & deck detailing. We are specialized in converting 2D elevations, structures, floor plans, sections, and many more civil constructions into top notch 3-D BIM building models.