§ 9-7-17   Corrugated polyethylene (HDPE) pipe.
   (a)   Pipe shall be manufactured by sources participating in the N.C. Department of Transportation's HDPE Pipe QC/QA Program.
   (b)   Pipe shall meet AASHTO M 294 for Type S or Type D.
   (c)   Pipe shall be double-wall.
   (d)   Pipe shall have smooth inside wall.
   (e)   Pipe shall be supplied in manufacturer's standard length.
(Ord. of 11-7-16, No. 10-16)