All cabins, trailers, tents and other inhabited buildings of such establishments located on the premises shall be constructed to comply with all of the ordinances of the city, and there shall be a space of 20 feet between each row or tier of such improvements and the ground shall be well drained. No such cabin, trailer, tent or other unit on such premises shall be located nearer than 20 feet in each direction from such other unit.
(Code 1943, Art. 31-3)