The City Commission may, after notice to the owner and after holding a public hearing thereon, condemn such structure by giving notice to the owner of the land upon which such structure is located, specifying in what respects said structure is a public nuisance and requiring said owner to alter, repair, tear down or remove the same within such reasonable time, not exceeding 60 days, as may be necessary to do or have done the work required by said notice. The notice may also provide a reasonable time within which such work shall be commenced.
('88 Code, Title IX, Ch. 109, § 9.12)