Specifications include, but are not limited to: Materials to be used for geogrid reinforced base construction shall consist of virgin crushed stone, recycled Portland cement concrete, or a blend of recycled Portland cement concrete and Reclaimed Asphalt Pavement (RAP). This blend is not to exceed 50% RAP and shall be tested by use of an asphalt burn off oven to ensure compliance. All materials shall meet the following gradation specification; Asphalt cement shall be of uniform consistency, free from water to the extent that it will not foam when heated to three hundred fifty degrees (350°) F.; When called for in the Project Specific Special Provisions, the contractor shall be required to remix the surface asphalt material hauled to the project site prior to placement. The material transfer device shall be self propelled, capable of moving independent of the paver or attached to the paver. The material transfer device shall perform additional mixing of material and deposit the asphalt into the paver at a uniform temperature and consistency. Acceptable equipment includes a mobile conveyor, material transfer device, shuttle buggy material transfer vehicle, material transfer paver, or paver with remixer conveyor system. The contractor shall take care not to damage the asphalt below the surface course. The contractor must still achieve density requirements in Section 405.8 of the Standard Specification when using equipment listed above. The contractor will not be allowed to dump the wings of the paver receiving hopper during the paving operation