The public works official and administrative authority as such as may be referenced in any section and made a part hereof for all matters pertaining to work on all public thoroughfares shall be vested in the office of the director of public works. The city engineer shall formulate plans and specifications, and render the completion report on public works projects, or such other person or firm as may be designated by the common council for such purpose. (Ord. 4-78-79, 6-18-1979)