The complex consists of twelve backup columns at the height of 2600mm, 11 horizontal crossbars: 1200 mm-1 piece, 1700 mm-10 pieces and two different height walls made from wooden beams, which are each mounted on 2 pieces 1200mm crossbars on the following heights: 300mm/1050mm, wall height 1200mm and 500mm/1850mm, wall height 2000mm from the rubber foundation. Wooden beam lengths are 1050mm for the low wall and 1650mm for the high wall. Crossbar fittings are put into effect with collars. Crossbars are mounted on following heights: 2100mm, 2200mm (2 pcs.), 2300mm (5 pcs), 2400mm and 2500mm.