A warehouse layout is to be designed, given that Storage bays are of size 15 m X 10 m each. Docks P 1 is for truck delivery docks P2, P 3 and P 4 are for rail delivery Dedicated storage is used. Thirty percent of all item movement in and out of storage is from/to P1. Seventy percent of all item movement in and out of storage is equally divided between docks P2, P 3, and P4. Six types of wood namely Oak, Cedar, Pine, Maple, and Mahogany are to be stored in the warehouse with only one type of product stored in each storage bay. Storage space per product is given in Table 2. Loads of products entered or received per year are given in Table 3. The expected distance traveled between storage locations and docks Is given in Table 4. Rectilinear travel is used and is measured between the centroids of storage bays. Table 2: Storage space per product Product Storage space Oak 2100 Cedar 600 Pine 900 Maple 1200 Mahogany 2700 Table 3: Storage rate of product per year Product loads received/entered. in per month Oak 550 Cedar 850 Pine 900 Maple 450 Mahogany 750 Table 4: Expected distance traveled between storage locations and docks 43 70 7 77 45 24 3 10 54 14 5 9 6 58 5 20 16 24 12 41 29 60 64 30 35 74 75 72 31 23 15 70 49 8 57 62 39 61 78 63 67 56 64 13 50 56 43 22 57 87 34 24 65 14 31 85