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To fill every cubic unit in place, we will need to haul in 1.1 cubic unit. Obviously, it would be the inverse for the fill material.

This means that for every cubic meter or feet of cut material we will need to haul 1.1 cubic meter or feet. These factors control, depending on the soil type, how much the material swells after removal, or how much it is compacted when put in place. For Cut and Fill Factor, let's use 1.10.After that, define the comparison surface, the Stripped surface, by clicking on the three dots on the same line.Next, define the base surface, the existing ground, by clicking on the three dots to the right.In this current situation, we don't need to. In those cases, we need to assign an elevation style to show the needed information. Sometimes, we are required to create a Cut and Fill areas map. Since we only need the Volume Surface to estimate earthworks information, there is no need to display it. In Civil 3D, we do the same thing by assigning the No Display style to specific objects, without needing to manipulate layers back and forth. In AutoCAD, we typically turn off or freeze the layer of entities we don't need to show. A No-Display style is basically a style that we assign to entities we don't need to show in Civil 3D. In the Create Surface window, for Type, choose TIN Volume Surface, call the surface Topsoil Volume and assign a _No Display Style.From the Home tab, launch the Create Surface command.Let's see that in practice by estimating the total volume of topsoil that needs to be removed from the site. For example, removing topsoil, altering a site from Existing Ground to Final Ground.

Volumes are the amount of material, Cut and Fill, that you will need to transform a surface from an initial to a final state. You guessed it, the main purpose of this type of surface is for estimating volumes or earthworks quantities. But, there's a second type of surface, a Volume Surface.

So far, we have learned how to create a TIN Surface or a “regular" surface. Working with Civil 3D Volume Surfaces (Cut and Fill)?