Except as to those departments given control of their own revenues or funds, the Council shall provide suitable quarters, equipment and supplies for the various departments and offices of the City government. It shall create the necessary positions in addition to those created by the Charter in those departments and offices, authorize the necessary deputies, assistants and employees, and provide the necessary funds for carrying on the work of the departments and offices. Upon request from any department given control of its own revenues or funds, the Council may assist the department in the performance of its functions with appropriations of money or otherwise.