Almost all construction projects begin with grading the land, and in some cases, the upper layer of soil is not suitable for compaction and preparation for. In these cases, a Cut-and-Fill operation is performed, and fill material, usually comprised of any or a combination of uncontaminated soil rock, stone, used asphalt, unpainted brick, and block and concrete and even some sand, is used to fill the dips and ditches or increase the level of the ground and complete the grading of the land.