Hong Kong Regulations

BUILDING (STANDARDS OF SANITARY FITMENTS, PLUMBING, DRAINAGE WORKS AND LATRINES) REGULATIONS - REGULATION 34

Materials for pipes

(1) Every soil pipe, waste pipe, anti-syphonage pipe, ventilating pipe,
overflow pipe and every pipe connected with any drain provided for the
carriage of foul water shall be-

   (a)  circular in shape; and

   (b)  constructed of cast iron, steel, copper or other approved material.

(2) Every rain water pipe shall be constructed of cast iron, copper or other
approved material. (L.N. 295 of 1986)

(3) All such materials shall be sound and free from defects.