Is time employee and necessary for making a request. To determine the overall performance of system maintenance, respectively, of a storage system, calculate the value of the average time spent per position.
Preparation time include: travel time, plus the time spent.
As for the time spent. According Gudehus this in turn is divided into: reception time is the time required to receive information and the time spent in the eventual collection containers.
It can be considered as a rule, the entire time that the vehicle is in motion, it belongs to the travel time, while time spent at stops is considered as residence time.