Earthwork & Grading
Earthwork consists of excavations (cuts) and embankments (fills). So the scope of earthwork may include removal of structures and obstructions. Like excavation and preparation of foundations or disposal in preparation of sub-base. For the pavement to remain smooth and stable for many years of service. The foundation must provide suitable support. When roughness and distress develop in pavement, it is often a lack stable earthwork to support the pavement.