(A) For the purpose of discovering nuisances, it shall be the duty of police, fire, health and building officers and inspectors to investigate, confirm and report any nuisances coming to their attention.
(B) In order to investigate, confirm and report nuisances, said officers and inspectors shall, upon proper identification, be permitted, at any reasonable hour and in a reasonable manner, to visit and enter into or upon any premises or property within the city to make an examination thereof, if they shall have reasonable grounds to believe that a nuisance exists. (1972 Code)