Sofa/ Three Tier Storage System is designed for a warehouse where goods are stored and removed manually from the shelves. The System make optimal use of warehouse height, as the higher level can be accessed manually or via gangways located between shelves. The System is used for storage and order picking of non-palletised goods, bins, cartons, or other storage units containing small components and for bulk storage. The Sofa/ Three Tier Storage System help to increase storage efficiency by making full use of floor surface.