Abstract
A modular storage and commissioning system includes a storage arrangement, a commissioning unit and a conveyor system. The storage arrangement has a lower and an upper storage unit which are based on a self-supporting frame structure. The conveyor system is detachably connected to the storage units. The self-supporting frame structures of the storage units support the storage units themselves as well as at least the weight of a further storage unit. The upper storage unit is detachably arranged on top of the lower storage unit. Further, a method assembles the modular storage and commissioning system and a method disassembles the modular storage and commissioning system.