The site in the city from which a building is removed shall be cleared of all foundations, drive-ways and walkways and all portions thereof, shall have all loose combustible materials and debris removed therefrom, and all excavations shall be filled in with soil free of debris, all of which shall be accomplished within thirty (30) days from the time such building is removed.
('61 Code, § 7.50) (Ord. 372, passed - - )