No person shall lay, alter or repair any house drain or make any connection whatever with any sewer belonging to the city, or do any kind of work upon a house drain or make any repairs, additions or alterations to any pipe drain, sewer or other fixtures connected or designed to be connected with the public sewers unless regularly licensed to perform the work by the Board of Public Works as provided by law.
(1967 Code, § 16-37)  Penalty, see § 10.99
Charter reference:
   Department of Public Works, see Charter § 6C-9
   Provisions concerning licensing, see §§ 110.03 through 110.12