Section 18.11.
The City Manager shall prepare the salary and wage plan for positions in the classified service together with regulations for the administration of such plan. This plan shall be presented to the City Council for approval and shall when adopted, constitute the official salary and wage plan for positions in the classified service.
   (a)   The salary and wage plan shall consist of a salary and wage range for each class in the classification plan, provided that nothing herein provided for shall be deemed to prohibit the establishment of but one salary or wage for a single class. Each such range shall be determined with due regard to the ranges for other classes and to the relative difficulty and responsibility of characteristic duties of positions in the class, the minimum qualifications required, the prevailing rate for similar employment outside the City service, and any other factors that may properly be considered to have a bearing upon the fairness or adequacy of the range, provided that the salary and wage plan in force at the effective date of this chapter shall remain in effect until amended in accordance with the provisions of this chapter. The Manager may at any time recommend to the Council changes in the plan which shall take effect when adopted by the Council, provided that any changes increasing the expenditures for personal services must be reflected in full in the budget. No amendments shall be made in the plan by the Council unless the same have been referred to the Manager for his opinion.