Actual Time ti

Definition

REFA time type, the actual time required by humans and equipment for the execution of certain process sections; identified with t_i or in connection with the respective process type, e.g. t_MHi. Example: t_MHi = 1.5 min denotes the actual time for a process section of the process type "main activity (MH)" of humans, which lasts 1.5 min.