3-4-1-3: CONSTRUCTION SPECIFICATIONS AND REQUIREMENTS:
   Width and Slopes: All sidewalks in areas zoned for residential use shall be five feet (5') in width (unless connecting sidewalks are wider, when new sidewalks shall be the same width as existing and connecting walks) with an eight foot (8') planting strip on both sides of the street. The upper surface of the sidewalk shall have a slope of one-fourth of an inch to the foot toward the center of the street or way on which such sidewalk is laid.
   Surface Height: The surface of the inside part of sidewalks, nearest the lot line, shall, when completed, be at least six inches (6") above the grade of the curb, if any, or if there is no curb, six inches (6") above the established grade of the center line of the street.
   Location: The location of sidewalks shall generally be one (1) foot inside the right-of-way. The location may be modified depending on factors that include but are not limited to: relationship to drainage ditches, easements, Commonwealth Edison right-of-ways and towers, handicapped ramps, existing trees and landscaping and topography. Furthermore, any new sidewalk may be located in another location, if necessary, to connect to already existing sidewalks and to continue said sidewalks.