AutoCAD: Background, 31 years in the Dow Chemical Company, as a maintenance Shutdown planner, Certified pipe welder, Journeyman pipe fitter. Currently employed with an Engineering firm working on Chemical Plant construction including piping, pumps, towers and tank installations. Currently a Pipe Designer, I work with P&ID’s, PFD’s, Isometric drawings, Plan drawings, elevation drawings. I am using an AutoCAD 2012 V8I software. I have completed all of the Basic, Intermediate and Advanced Auto.