The sub-base for concrete surfaces shall be sprinkled just before placing the concrete. Joints and surfaces shall be made to match the original surfaces. The thickness of concrete shall be equal to the adjacent concrete but in no case less than six inches thick. The mixing, cement, water content, proportion, placement, and curing of the concrete will be approved by the County Roads Supervisor. In no case shall the concrete have less compressive strength than three thousand (3,000) pounds per square inch at the end of twenty-eight (28) days. (Ord. O-2022-39, 7-12-2022)