Perform calculations and layouts including 2D and 3D models with adequate dimensions necessary to assist the Engineering disciplines and Fabrication/Construction personnel including preparation of topographic layouts, earthworks/excavation drawings, boreholes locations, fencing, paved roads and drainage, underground piping and foundations, architectural and conceptual building drawings, control room layouts, substation layouts, machinery shelters, service platforms, pipe racks, pump foundations, vessel and vessel platform foundations, columns and other Civil/structural drawings.