We present a large-scale case for equipping a warehouse of a large international logistics company. We have designed and installed a 3-level storage system, which increased the efficiency of the warehouse. The total area of the mezzanine platform is 2500 sq.m. The floors are made of grating, which has a high load-bearing capacity and low weight. On the first and second floors was installed a light-series shelving storage system, which increased the speed of processing goods and the useful storage area.