Section 21.
The Mayor shall be ex-officio Director of the Department of Public Works, and the Department of Water and other Public Utilities.
   The Mayor shall appoint a Director of Finance, Law Director, Chief of the Fire Department, Chief of the Police Department, the Commissioner of Water, Commissioner of Engineering and Commissioner of Public Buildings, and Director of Community Planning and Economic Development, each of whom shall serve until removed by the Mayor and until a successor is appointed and qualified. The Director or Chief of each Department shall have the supervision and control of the Department, the disposition and performance of its business, and the custody and preservation of the books, records, papers and property of the Department. (Amended November 4, 2014.)