Refer to section 401 for construction inspection requirements except as noted below.
Asphalt concrete is sampled and tested by the contractor at the asphalt plant. Contractor tests are used for pay if they are verified by District testing. See 403.06 for sampling detail.
Do not allow placement of one layer of less than 4 inches (100mm) or more than 7.75 inches (190mm) thickness. Mix temperature must be at least 250° F (120° C).
Spreading and Surface Tolerances (302.05)
Do not exceed 3/8 inch (10mm) in variation from the edge of a 10 foot (3 m) straightedge. If 302 is under concrete do not exceed ¼ inch (6mm). Make corrections satisfactory to the Engineer.