Any structure begins with the foundation, low -rise housing is characterized by strip and columnar bases poured on the spot. Strength is provided by reinforcing with a welded grid. Crossings and stairs in private houses in many cases are performed with monolithic, a prerequisite for reliable work is the correct calculation of the diameters and the step of the reinforcing rods. The dimensions of square cells are in the range from 100 to 200 mm, and diameters from 6 to 10 mm.















