Dismantling existing rental areas and rebuilding the retailer tables as well as adapting the necessary refrigeration units to the new conditions. The entire conversion took place during ongoing operations. The main work was carried out at off-peak times and at weekends/at night. Renovation of the ventilation riser zone with adaptation to new fire protection requirements, with installation of 8 pcs. BSK in the existing riser zone. Creation of hard fire bulkheads between the floors.