As a condition for the final approval of a Subdivision Plat, the City Engineer shall require the Subdivider to provide a guarantee of the completion of improvements. Said guarantee, to be approved by the City Law Director, shall meet the requirements of this Chapter. Such a guarantee shall be provided for improvements such as, but not limited to, the following: streets, curbs, sidewalks, sanitary sewers, water lines, storm water management facilities and recreational amenities.