End-of-project closeout includes removing residual solids, properly disposing liners, grading disturbed areas

https://mill-wiki.win/index.php/Setting_Up_a_Concrete_Washout_Station:_Step-by-Step_Guide

End-of-project closeout includes removing residual solids, properly disposing liners, grading disturbed areas, stabilizing soils, and restoring any temporary access pads used by service trucks.