1, 1947, $3,000 shall be the maximum amount of annual salary of any employee to be considered for the purposes of this Article; and beginning on July 1, 1947 and prior to July 1, 1953 said maximum amount shall be $4,800; and beginning on July 1, 1953 and prior to July 8, 1957, said maximum amount shall be $6,000; and beginning on July 8, 1957, if appropriated, fixed or arranged on an annual basis, the actual sum payable during the year if the employee worked the full normal working time in his position, at the rate of compensation, exclusive of overtime and final vacation, appropriated or fixed as salary or wages for service in the position;

an annual basis, beginning July 8, 1957, the applicable schedules specified in Section 11-217 shall be used for conversion of the salary to an annual basis;

lodging for an employee without charge, his salary shall be considered to be $120 a year more than the amount payable as salary for the year. The salary of an employee for whom daily meals are provided by the city shall be considered to be $120 a year more for each such daily meal than the amount payable as his salary for the year;

person who was or is an employee of a Board of Education on or after that date shall include the amount of employee contributions, if any, picked up by the employer for that employee under Section 11-170.1.