This entails at least 2 shelf levels tiered one on top of each other. With each tier serviced from a separate level and commonly referred to as multi-level shelving. Structured with each shelving unit one on top of the other with each tier serviced from a separate level. Typically each level is 8 to 10 feet high.
Reaching heights in excess of 30 feet. The tallest version of these stacked shelves is high rise shelving. Serviced by rolling ladders, picking equipment or work platforms.