Warehouse for order fulfilment

A warehouse for order fulfilment comprising:

• a product storage having aisles;
• at least one order fulfillment level in which picking stations are arranged and supplied with articles from the product storage for picking into order load carriers according to allocated orders;
• wherein each picking station is supplied with articles from the product storage by a connecting conveyor system on the least one order fulfillment level;
• wherein each order fulfillment level has at least one further virtual order fulfillment level in which picking stations are arranged at different height from the at least one order fulfillment level or in which connecting conveyor systems connecting to picking stations are arranged at different height from the at least one order fulfillment level;
• wherein the picking stations are arranged at different height from the at least one order fulfillment level creating the virtual order fulfillment level by vertically raising the picking stations using raised platforms;
• and
• wherein the picking stations arranged in the virtual order fulfillment level(s) are connected to the product storage for supply with articles from the product storage by at least a second connecting conveyor system arranged at a different height than that of the first connecting conveyor system;
• and
• wherein the picking stations are grouped to include a picking station in each order fulfillment level and in the associated further virtual order fulfillment level in a horizontally staggered manner in a longitudinal direction of a respective aisle of the product storage so that at least two picking stations of the respective grouped picking stations are horizontally arranged to share airspace by having conveyor sections of the picking station in the virtual order fulfillment level using airspace above a conveyor section of the respective picking station in the associated order fulfillment level.