Civil Code (Cap. 16), article 441

441. (1) Any sink-pipe or any pipe for water dripping from the roofs, or for water raised by means of a pump or other mechanic al device, shall be at a distance of at least one metre from the boundary, to be measured from the nearest point of the external part of such pipe. CIVIL CODE [CAP. 16. 139 (2) The observance of such distance is not required if the pipes used are such as do not allow any dampness to penetrate into th e wall, or if other means are used fit to prevent the passage of any such dampness. (3) Nevertheless, if, notwithst anding the observance of the distance prescribed under sub-ar ticle (1) of this article, or t he use of such pipes or means as are mentioned in sub-article (2) of t his article, damage is caused to the neighbour, the owner of the pi pes shall be bound to make, at his own expense, any other work that may be necessary for preventing the continuance of the damage, and, if necessary, even to remove the pipes to a greater distan ce. Where cistern extends under tenement of neighbour.