The primary job of an earthwork contractor is site preparation. This includes clearing the land of debris, vegetation, and old structures, followed by excavation, grading, and leveling. Excavation may involve digging trenches for foundations, earthwork contractors<span style="font-family: Arial; font-size: 10pt;"> </span>laying underground utilities, or creating drainage systems. Grading ensures that the surface is even and slopes are adjusted for proper water flow.