s a n D p r o D u C T i o n s y s T e m s s an D Pro D uc T ion s ys T ems P rinci P le of o P era T ion Specifcation Sands AGLime Concrete Sands Asphalt Sands Mason Sands Brick Sands Other Specification Sands Derrick high open area urethane screens as fne as 75 microns Materials consistently stackable and conveyable to stockpile Sand P roduct Sand P roduction System Secondary or T ercerary Screen P rimary Stone P roduct 12 System Overfow to P onds Cyclone F eed P ump