The construction consists of 3 vertical columns and two walls made from wooden beams, which are mounted on crossbars on the following heights: 400mm/1750mm, wall height 1900mm and 500mm/1850mm, wall height 2000mm from the rubber foundation. Wooden beam lengths are 1650mm. Crossbar fittings are put into effect with collars. The length of all crossbars is 1200 mm. The height of columns is 2000mm.