The City Manager shall prepare personnel rules and the Council may by ordinance adopt them with or without amendment. These rules shall provide for:
(a) the classification of all city positions, based on the duties, authority and responsibility of each position, with adequate provision for reclassification of any position whenever warranted by changed circumstances;
(b) a pay plan for all city positions;
(c) methods for determining the merit and fitness of candidates for appointment or promotion;
(d) the policies and procedures regulating reduction in force and removal of employees;
(e) the hours of work, attendance regulations and provisions for sick and vacation leave;
(f) the policies and procedures governing persons holding provisional appointments;
(g) the policies and procedures governing relationships with employee organizations;
(h) policies regarding in-service training programs;
(i) grievance procedures; and
(j) other practices and procedures necessary to the administration of the city personnel system.