The staff of the county planning, zoning and community development department shall perform the planning functions of the county and shall provide recommendations on all amendments to the general plan and all applications for development approval, permits, licenses and appeals, and shall perform all such other functions as may be requested by the county commission, the planning commission and board of adjustment, as authorized. In addition, the county surveyor shall serve as an ex officio or advisory member of the board of adjustment. Other county departments and staff shall provide additional support and assistance to the board of county commissioners, planning commission and board of adjustment as required. (1998 Code § 17.04.060)