All sidewalks shall be constructed of concrete with good and sufficient foundation. The foundation shall be of gravel, broken stone, or cinders, must be firm, porous, and well-compacted and of sufficient thickness and have suitable and sufficient drainage to prevent all settling and cracking. The concrete bed, except the part thereof subject to vehicular travel, shall be not less than four inches in thickness; the part thereof that is subject to vehicular travel shall be not less than five inches in thickness. It shall be composed of one part of cement, three parts of sand, and six parts of gravel, broken stone or cinders, and shall be cut through into blocks not more than four by six feet in size. The topping coat shall be a coat of cement mortar composed of three parts cement and five parts of coarse, sharp, clean sand. After finishing with a straight edge, the topping shall be cut through on the lines of the joints already formed, and the edges shall be rounded or beveled.
(Ord. 1116, passed 2-25-1957)