Hi my self Amjad and I am an astute professional with 18+ years of rich and enormous experience in Steel structure field (Oil & Gas) I can do independent checking of 3D model , checking and preparation of Design / General arrangement, Fabrication, Methodology drawings for structure building & erection drawings for complicated structures like structure Bridge, Modules onshore & offshore, Pipe Racks Circular Platforms for vessel and offshore Skids etc.