In addition to the duties set forth elsewhere in this article, the board shall:
(1) Advise the commission on matters of personnel administration, including the development of personnel rules, a job classification plan, and a systematic pay plan.
(2) Represent the public interest in making recommendations for the improvement of personnel administration in the county service.
(3) Make any inquiry which it may consider desirable concerning personnel administration in the county service.
(4) Make recommendations to the commission with respect to any of the foregoing duties in a regular or special called meeting of the commission, with such recommendations becoming matters of public record. The commission shall, within 60 days after the presentation of a recommendation of the board, act upon the same.
(5) Maintain adequate records of its proceedings and of its own official acts.