Patent ID: 8678710

Claim:
A channel drainage system for rainwater comprising: a cradle guide; a bottom; walls; and a cover, wherein: the cradle guide comprises: (a) variable clamping rods, (b) an inner surface with a format suitable for receiving the bottom, and (c) a guide slot on a bottom of the cradle guide for topographic orientation; the bottom comprises: (a) female type surfaces on upper ends of the bottom for settling and grouting of the walls to the bottom, and (b) prestressing elements; the walls comprise: (a) male type surfaces and metal rods on lower ends of the walls for settling and grouting of the walls to the bottom, (b) male type surfaces and metal rods on upper ends of the walls for settling and grouting of the walls to the cover, and (c) male and female type surfaces for settlement and grouting of the walls to other walls; and the cover comprises: (a) female type surfaces on edges of the cover for settling and grouting of the cover to the walls, (b) holes for receiving the metal rods of the walls, and (c) male and female type surfaces for settling and grouting of the cover to another cover.