The (1)… is a steel frame with 6 x 6 in (2)… tubular columns that (3)… two main channel beams (øâåëëåðíàÿ áàëêà) on either side; these support steel joists of standard length, (4)… supporting a metal deck and lightweight concrete floor slab. The four lines of columns are supported by three rows of concrete columns, cast on top of piles, and by the retaining wall at (5)… . The columns are stabilised by a grid of reinforced concrete tie beams cast on the surface of the sloping (6)… . The cladding is of aluminium panels with (7)… . Window frames are also in aluminium. The dimensions are modular: 4in in both horizontal directions and 6in vertically. The various building elements must fit (8)… this modular grid with sufficient (9)… to allow easy erection, and any dimensional variations or errors whether in construction (10)… in production of the components.