Technical drawing

I require a detailed technical drawing for a bolted steel-framed circular structure 22 meters in diameter. Deliverables: dimensioned plans, elevations and sections showing bolted connections, steel frame layout, foundation interface, pitched roof design with rafters, purlins, guttering and downpipes, and basic material/section specifications. Drawing must be clear for fabrication and assembly, suitable for production and installation. Precision, clarity and constructability are essential. A 3d model will be required with various views needed for illustration purposes.