The developer shall design and improve all required public right-of-way elements, including streets, bicycle facilities, sidewalks, planter strips, street lights, alleys, storm drains, sanitary sewers, waterlines, accessways, shared-use paths, and public easements which are a part of the development. Those off-site public improvements necessary to serve the development consistent with the Comprehensive Plan or any specific plan thereof, and such other public improvements as required by this chapter in accord with the standards and criteria set forth herein and shall thereafter warrant the materials and workmanship of said improvements for a period of one (1) year from the date of completion. Such improvements as set forth herein shall be considered necessary for the general use of the property owner(s) of the development, the local neighborhood and the city's traffic and drainage needs including without limitation grading and surfacing of streets and accessways, installation of facilities to supply domestic water, construction of storm and sanitary drainage and treatment facilities, all other improvement work as hereafter set forth. All improvement work shall be at the sole cost and expense of the developer unless otherwise specifically provided herein.