It shall be the duty of the Plumbing Inspector to inspect house connections and all other connections from time to time during its installation to see that the plumbing, drainage and sewerage work is done in accordance with the rules and regulations prescribed by the city ordinances and state law; and immediately, upon notification by the plumber or person licensed to make sewer connections, to inspect and pass upon the work, apply such tests as may from time to time be prescribed, have all defects remedied, condemn and order the removal of any defective material used, condemn all defective work done, and such other duties as may be imposed by the City Council.
('70 Code, § 18-4)