No person may refuse to permit an agent of the Department of Public Works to visit his, her, or its premises in the discharge of that agent’s official duties. City Code, 1879, art. 53, §43 1893, art. 54, §43 1927, art. 48, §56 1950, art. 39, §33 1966, art. 29, §28 1976/83, art. 29, §28 Rev. Ords. 1858-043 Ord. 50-1393 Ord. 02-476