This work consists of excavating and grading the roadway (including the removal of slides), borrow pits, waterways, and ditches (including structure inlet and outlet ditches, channels, waterways, and similar features, even if they extend beyond the construction limits); excavating for benches under the side-hill embankments; excavating unsuitable material beneath embankment areas; excavating selected material found in the construction area that is required for specific use in the construction; the construction and removal of detours authorized by the Engineer or otherwise shown on the Plans; trimming and shaping of all slopes; and disposing of all excavated material. The work also includes all embankment construction, shoulder and ditch construction, and Subgrade Construction and Preparation...