s 57 Construction and maintenance of private drains
57.—(1) The Director‑General may, by written notice, require the owner of any land or the owner of adjoining lands, at the expense of the owner to —(a) construct such drain or number of drains as the Director‑General may consider necessary in accordance with such specifications as the Director‑General may think fit; and (b) maintain and keep in a clean and sanitary condition any drain or drains so constructed or any other existing drain or drains in such land. (2) For the purpose of ensuring a free flow of water, the Director‑General may cause one or more drains to be constructed through, across or under any land after giving written notice in that behalf to the owner of the land, doing as little damage as may be and making full compensation for any damage done. (3) If any dispute arises concerning the amount or apportionment of compensation, it must be settled in the manner provided in section 89.