The process of pouring the strip base is simple. Sand or sand-gravel mixture is poured to the bottom of the dug ditches and aligned. For the construction of a pillow, several stages are needed, between which they carry out a rammed and watering (water). Moreover, the thickness of these layers should be 30 — 50 cm, but there should not be more than 1/3 of the thickness of the monolithic foundation.