Upon promotion, an employee shall be placed in the first salary step of the range for the new classification. If placement in the first salary step provides for a salary increase that is less than five (5) percent, the employee shall be placed in a salary step in the range for the new classification that provides for at least a five (5) percent increase. Upon recommendation by the department head and approval of the City Manager or designated representative, an increase in excess of five (5) percent may be granted.