Specifications include, but are not limited to: 1.01Contractor must scrape the dirt off the asphalt to find the edge of the pavement, and thoroughly sweep the base course, old pavement, or existing surface so that it is clean and free from dust and foreign material until HMA is placed. 1.02When the existing pavement surface is gravel or stone or when a new gravel or stone base is constructed, the surface shall be graded and compacted by rolling to produce a smooth and uniform surface prior to paving with HMA. The cost of preparing existing gravel surfaces should be included in the Asphalt Paving unit cost. When a new base is installed grading, compaction and preparation cost shall be included in the Base Course unit price.