A transport and transfer system for the storage and retrieval or transfer of standard containers in high-bay storages, in particular, in a transhipment facility of a maritime or inland port for the storage of standard containers, wherein the transport and transfer system comprises storage and retrieval machines, wherein the high-bay storage consists of any number of storage modules comprising a plurality of shelf compartments stacked on top of one another and lined up aloft in the longitudinal direction and in the width direction of the high-bay storage transversely to this, which are separated from each other by aisles extending parallel to the storage or retrieval sides of the shelf compartments or the storage modules, wherein, in each aisle, at least one storage and retrieval machine that can be moved back and forth is provided for transporting, storing and retrieving or relocating the standard containers, wherein the high-bay storage with at least one transverse conveying device (13; 113) that crosses a plurality of aisles conveys the supplied standard containers into and/or out of the high-bay storage is formed, wherein the storage and retrieval machines comprise a frame consisting of vertical stands along with head trusses and foot bars connecting the vertical stands to one another and corresponding at least to the height of the multi-level storage modules with a hoist platform with extendable and retractable load-handling devices orientated orthogonally to the aisle that can be moved on the vertical stands via a means of propulsion for operating the shelf compartments or the adjacent storage modules on the left or right side, characterized in that the foot bar for lifting the standard containers with a passage opening is shaped like a frame. wherein the transport and transfer system comprises storage and retrieval machines, wherein the high-bay storage consists of any number of storage modules comprising a plurality of shelf compartments stacked on top of one another and lined up aloft in the longitudinal direction and in the width direction of the high-bay storage transversely to this, which are separated from each other by aisles extending parallel to the storage or retrieval sides of the shelf compartments or the storage modules, wherein, in each aisle, at least one storage and retrieval machine that can be moved back and forth is provided for transporting, storing and retrieving or relocating the standard containers, wherein the high-bay storage with at least one transverse conveying device (13; 113) that crosses a plurality of aisles conveys the supplied standard containers into and/or out of the high-bay storage is formed, wherein the storage and retrieval machines comprise a frame consisting of vertical stands along with head trusses and foot bars connecting the vertical stands to one another and corresponding at least to the height of the multi-level storage modules with a hoist platform with extendable and retractable load-handling devices orientated orthogonally to the aisle that can be moved on the vertical stands via a means of propulsion for operating the shelf compartments or the adjacent storage modules on the left or right side, characterized in that the foot bar for lifting the standard containers with a passage opening is shaped like a frame.