When relocating, more than five acres are required to properly house the mechanism. The foreman must also compensate for the amount of raw materials needed. Types of asphalt are determined by the size of the rocks, percentage of sand and amount of oil the mixture contains. Five separate bins are designed to mix the right amount before the oil injection. The process is computer driven in the control house.
Sensors monitor heat fluctuations in the core and regulate the amount of each ingredient to sift.
Machines record electrical activity in the area as a surge protector protects the central computers from damage. The foreman is able to control all aspects of production, from temperature in the dryer to amount ultimately produced.