Collect, compile, and analyze data from the physical work site, surveys, structural concepts, blueprints, schematics, data, verbal or written specifications, technical drawings, rough sketches, diagrams, and other matrices to support drafting and design activities for single, multi-phase, or multi-site project work. + Use 3D computer-aided design and drafting (CADD) software and work closely with engineers to resolve design details or discrepancies, and to prepare drawings which require a high degree of precision on projects of moderate complexity and/or scope.