No person shall permit any premises under his control whether improved or unimproved, and all open lots and alleys in the City to accumulate lumber, boxes, barrels, bricks or stones and similar materials and which may be used as a harborage by rats, unless the same shall be placed on open racks and elevated above the ground, with a clear intervening space underneath to prevent the harborage of rats. (Ord. 2014-02. Passed 3-24-14.)