Whenever conditions made inside or under occupied business buildings provide extensive harborage for rats, in the opinion of the Health Officer, such Health Officer is empowered, after due notifiction in accordance with Section 1109.03, to close such business buildings until such tme as the conditions are abated by rat proofing and harborage removal including, if necessary, the installation of suitable concrete floors in basements or replacement of wooden first or ground floors with concrete or other major repairs necessary to facilitate rat eradication.
(1967 Code Sec. 16-11)