The subject of the Order is a minimum of three (3) and a maximum of six times (6) assembly and respectively - a minimum of three times (3) and a maximum of six times (6) total disassembly of the temporary surface of natural grass together with the foundation along with proper maintenance / care of the turf from its arrangement until its disassembly and replacement of its damaged fragments during and between events organized on the turf, together with assembly and disassembly of the temporary artificial grass surface together with the foundation, and making connections of these surfaces together with the installation of natural grass surface.