1. The pavement construction shall conform to the "Technical Rules for Construction of Highway Pavement Base" (JTG/T F20-2015),Requirements of "Technical Specifications for Construction of Asphalt Pavement on Highway" (JTG F40-2004) and "Technical Specifications for Construction of Cement Concrete Pavement" (JTG/T F30-2014).2. The contractor shall not arbitrarily change the source of materials, unauthorized materials shall not be used in the project.3. The pavement material storage site shall be hardened, and the materials shall be physically separated and piled up, and a fortification canopy shall be built.4. The contractor shall, according to the structural characteristics of the project, prepare the construction organization design of each structural layer of the pavement project according to the requirements of the drawings, the provisions of relevant specifications and equipment conditions, and report to the supervisor for examination and approval 28 days before the construction of each structural layer; otherwise, the construction shall not be started.5. When paving asphalt concrete pavement in the tunnel, the contractor shall strengthen safety and environmental protection measures, organize construction reasonably, and formulate feasible fire evacuation plans. Mechanical ventilation and smoke extraction must be adopted during construction so that the concentration of toxic gas and combustible gas in the air inside the tunnel shall not exceed the relevant regulations. Construction personnel in the tunnel must wear approved gas masks to ensure personal safety