Table 3 Relationship between ordering frequency of item classes and storage space assignment.

From: Stochastic models of routing strategies under the class-based storage policy in fishbone layout warehouses

Ordering frequency/Space assignment

Class A

Class B

Class C

Case 1

33.33/33.33

33.33/33.33

33.33/33.33

Case 2

45/30

30/30

25/40

Case 3

60/25

25/30

15/45

Case 4

75/20

20/30

5/50

Case 5

85/15

10/30

5/55