GlaxoSmithKline’s Levi Merkel discussed the many beneficial uses of an operator training simulator—many of which have nothing to do with operators. What made the production unit somewhat unique is the inclusion of an operator training simulator based on Emerson Mimic software. Time savings during the unit’s site acceptance test and commissioning activities added up to some 270 hours—from an estimated 400 hours on the production unit to 130 hours on the simulator.