In this study, a warehouse layout problem that tries to minimize material handling cost was considered.
Bassan, Roll, and Rosenblatt (1980) were examined the same problem by offering a comparison method
for two alternative shelf arrangement for a rectangular warehouse. They were considered homogeneous items
that have the equal probabilities for picking and putting away in a two-dimensional warehouse. Here, we
extended their study for heterogeneous items stocked multiple-level warehouse.
The yearly throughput of the warehouse is classified into three groups including