Paving services shall include but are not limited to, spreading of materials such as asphalt, millings, and stone and compacting with a roller. The patch surface, after final completion, shall be sufficiently smooth and true to the established line and grade. Milling services shall include but are not limited to, milling a minimum four (4) foot width at a time, capable of removing a layer of asphalt pavement at the specified depth in one pass, capable of accurately establishing profile grade control, and have a positive means for controlling slope elevation. The machine shall be capable of preventing dust from escaping into the atmosphere while also keeping disturbance of the base material to a minimum. The faces of the remaining pavement shall be square and vertical without ragged edges.