The contractor shall furnish all labor, equipment, materials, supervision, and incidentals necessary to perform roadway maintenance, ditch reshaping, mowing, and culvert removal and replacement throug... The contractor shall furnish all labor, equipment, materials, supervision, and incidentals necessary to perform roadway maintenance, ditch reshaping, mowing, and culvert removal and replacement throughout the southern portion of the Angelina National Forest. Work includes disposal of all removed culverts from Forest Service property. The contractor is responsible for disposing of the original culverts and removing from the forest.