Hong Kong Regulations

BUILDING (STANDARDS OF SANITARY FITMENTS, PLUMBING, DRAINAGE WORKS AND LATRINES) REGULATIONS - REGULATION 38

Eaves gutters

(1) Eaves gutters shall be-

   (a)  made of cast iron or other approved material;

   (b)  fixed at a gradient not less than 1 in 100; and

   (c)  properly connected to rain water pipes.

(2) The size of eaves gutters shall be calculated at the rate of 700 mm2 of
cross sectional area of gutter to every 7 m2 of horizontal roofed-over
surface. (L.N. 294 of 1976)