START Date Fri, 05/01/2009 - 02:00 END Date Fri, 04/01/2011 - 02:00 Tekfen Construction and Installation Co., Inc. Civil / Building / E&M Planner / Scheduler / Cost Controller Ma’aden Phosphoric Acid Project (PAP) Saudi Arabia (AS.SA) Costing %26 Monitoring Primavera Enterprise Database claim preparation (time and cost)