Before starting work on the construction of a reinforced foundation, without fail, preliminary marking, the width of the future foundation, should be 35-40cm, depth-40-45cm. Having placed the contours of the foundation, you should proceed to the excavation of soil.
A crushed stone pillow is laid on the bottom of the finished trenches, the thickness of the crushed stone layer is 5-7 cm, after which it is thoroughly trimmed, for the tamping of a gravel pillow, you can use an electric, or manual tramer. The next step needs to mount the reinforcing cage, along the entire perimeter of the foundation. The reinforcement used for the frame of this foundation should have a diameter of 14-16mm.
The rods of the reinforcement are laid out in two rows, along the entire perimeter of the trench, the distance between the rows, the vertical rods of the reinforcement are welded, also around the entire perimeter and on both rows. Previously laid reinforcement, the distance between vertical rods is 50cm. In the middle and on top of vertical rods, longitudinal reinforcement is also welded around the entire perimeter in two rows. Further, in terms, the formwork is installed and the usual concrete solution is poured.