Backfill details in AutoCAD, dwg file.

This Architectural Drawing is AutoCAD 2d drawing of Backfill details in AutoCAD, dwg file. Backfilling is the process of reusing or replacing the soil that is removed during the excavation of foundations, ground bearing slabs or other groundworks to support and strengthen a structure. It protects foundations and forms part of the substructure of slabs, roadways, walkways and other groundwork elements.