Materials structures may be used in your earthwork takeoff to deduct the materials to complete the sitework takeoff. After the materials takeoff is complete, select Utility > Apply Structures > To Sectional Areas
Check the Apply box for the desired structures to be added to the Sectional Areas or Report Regions layer for your sitework takeoff. Verify the section depth is correct. Enter a Fill Factor for the Report Regions if desired. When all the desired structures have been selected click OK.
Check the Apply box for the desired structures to be added to the Stripping Areas layer for your sitework takeoff. Verify the section depth is correct. When all the desired structures have been selected click OK.
If the file has multiple phases, you can select the structures by phase.