AASHTO M 252-08

This specification covers the requirements and methods of test for corrugated polyethylene (PE) pipe, couplings and fittings for use in subsurface drainage systems, storm sewers, and in surface drainage (culverts), where soil support is given to the pipe's flexible walls in all applications.Nominal sizes of 75 to 250 mm are included.Materials, dimensions, pipe stiffness, environmental stress-crack resistance, perforations, joining systems and forms of marking are specified.