Sec. 255. EFFECT OF THIS CHARTER ON EXISTING LAWS.
   All laws and parts of laws relating to or affecting the city in force when this Charter shall take effect are hereby repealed and superseded to the extent that the same are inconsistent with the provisions of this Charter; insofar as the provisions of this Charter are the same in terms or in substance and effect as provisions of law in force when this Charter shall take effect, relating to or affecting the city, the provisions of this Charter are intended to be not a new enactment but a continuation of such provisions of law, and this Charter shall be so construed and applied.