(1) Elective officers;

(2) Members of appointive boards, commissions and committees;

(3) Persons employed under contract to supply expert, professional or technical services for a definite period of time;

(4) Volunteer personnel who receive no regular compensation from the city;

(5) City attorney and city manager;

(6) Department heads;

(7) Part-time crossing guards, per diem, hourly, and seasonal employees;

(8) Emergency employees who are hired to meet the immediate requirements of an emergency condition. (Ord. 315 § 1. 2002 Code § 10-2.3).