In the asphalt pavement installation of Shandong ductile iron covers, some of the details of the installation must pay attention to, or will have a great impact on the performance of the covers. So, when we are installed, we should pay attention to what aspects of the problem?

1, at the time of installation, in order to protect the appearance of polished cast iron cover, the surface pattern and writing of the clear, to the construction of asphalt pavement application of metal or covered in the cover, black covers can also use waste oil brush cover , To prevent asphalt spray on the cover;

2, we must pay attention to avoid the construction machinery directly grinding the well, in the road when the overall casting, should be reserved on the road than the well seat slightly larger holes, after the asphalt paved.

3, manhole brick masonry masonry, should be designed in accordance with the design of the manhole cover size to determine its length or length X wide, square, can also be implemented with reference to the standard, Period to more than 10 days;

The above three aspects of the problem is in the asphalt pavement installation of ductile iron covers, it should be noted that several points in the installation, we must pay attention.