The layer of the street is divided into two main sections, one of which is the "bass" and "the road" by in-floor bass may be sub-divided into SAP and SAP upgrade, depending on the nature of the street, designed by the ground floor will have to determine whether it can accept the desired weight. Soils in this class will have a duty to get the force shot down from the ground, and at the same time it will help to drain water from the road down to the next lower layer surface. After grounding the bottom layer done starts to surface roads. For concrete road will have two ways to create a modern method. Use of concrete in the style page for pofom, which is the slim concrete without using concrete, machines will have the use of a steel under vehicles and will move to concrete, and the old way is to put the wood on both sides before pouring the concrete, and when placed as a ready concrete concrete will come down during the wood placed. For asphalt road construction will be in the same manner, by pouring asphalt after the mediation level, then bass floor road.
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