We supply the corrugated steel pipe culverts, arch corrugated steel pipe, corrugated metal pipe culvert professionally and all of them with the good quality and best price. If you have interest and any question, please feel free to contact us. We will supply you with our best service. Now we will introduce the inspection of the corrugated steel pipe culverts.
1.The surface inspection: it is allowed to have slightly matrix indentation, while the indentation depth or pits need to be less than the corrugated steel pipe culvert thickness.
2.Dimension check: the height of wave and pitch of waves need to be satisfied with the GB1804 requirements.