![]() Using a T-square, draw a series of equally spaced horizontal sections (ie cross-section) from East to West across the entire drawing. Here the steps required to calculate cut and fill using the cross-section method: He then sums all of the cut volumes in all of the fill volumes to determine the total cut and fill volumes for the site. ![]() Then for each pair of adjacent cross-sections he averages the cut areas and fill areas and multiplies them by the spacing of the cross-sections to determine the cut and fill volumes between the adjacent cross-sections. For each of the cross-sections, he then determines the cut areas and fill areas. He then plots both the existing and proposed elevations on graph paper for each of the horizontal cross-section lines. In the cross-section method, the estimator divides the site using a series of equally spaced horizontal cross-section lines that span the entire drawing from east to east. Accurately calculating the amount of work or cut and fill required to grade a site is necessary to prepare an accurate bid. Grading a building site requires a lot of time, equipment, staff and money. Areas where the elevations are too low are "filled" or raised to the proposed elevations. In grading a building site, areas where the elevations are too high are "cut" or lowered down to the proposed elevations. In this article, we'll see how an estimator would use the cross-section method to calculate cut and fill for a construction site.īefore any construction can begin on a building site, it must be graded. ![]()
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