Intergraph(R) SmartPlant(R) Engineering & Schematics Seminar in Lake Charles, Louisiana on April 16th to Discuss Upgrading Workflow Processes in Facility Design, Enhancing Competitiveness and Lowering Operating Costs and Risks HOUSTON, TX--(Marketwire - Apr 3, 2012) - Intergraph will host Influencing the Future: A SmartPlant Engineering & Schematics Seminar on April 16, 2012 in Lake Charles, Louisiana, USA during...