§ 54.082 MATERIALS.
   All sewer extensions shall be constructed of the following materials:
   (A)   Sewer pipe with diameters eight inches and larger shall be one of the following:
      (1)   Ductile iron; or
      (2)   PVC sewer pipe SDR-35/minimum conforming to ASTM 03033 or D3034 with joints conforming to ASTM D3212.
   (B)   Laterals and fittings from the sewer main to the property lines shall be of comparable material to the sewer main for DIP and PVC pipe.