Whenever any nuisance:
(A) Constitutes or is deemed to be an imminent or immediate danger to public health or safety; or
(B) Exists on public property, the proper city officer shall cause such nuisance to be summarily and immediately abated and removed, regardless of any 48-hour or other time period specified by notice to the person responsible therefor; provided, however that in division (A) above, such officer shall have first applied for and obtained the written permission of the Mayor for such summary abatement.
(1974 Code, § 5-5-3.5)