It is the purpose of this section [article] to establish and define minimum acceptable standards for public improvements which shall be required to be constructed by the subdivider as conditions for final plat approval and also to outline the procedures and responsibilities of the subdivider and the various public officials and agencies concerned with the administration, planning, design, construction and financing of public facilities and to further establish procedures for assuring compliance with these requirements. All those improvements for which standards are not specifically set forth shall be established by the City Engineer and the City Council.