Sidewalks repaired, replaced, or constructed under the provisions of this chapter shall be of the following construction and meet the following standards:
1. Cement. Portland cement shall be the only cement used to construct and repair sidewalks.
2. Construction. Sidewalks shall be of one-course construction.
3. Sidewalk Base. Concrete may be placed directly on compact and well-drained soil. Where soil is not well drained, a three-inch sub-base of compact, clean, coarse gravel shall be laid. The adequacy of the soil drainage is to be determined by the City.
4. Sidewalk Bed. The sidewalk bed shall be so graded that the constructed sidewalk will be at an established grade.
5. Length, Width, and Depth. Length, width, and depth requirements are as follows:
A. Residential sidewalks shall be at least five feet wide and four inches thick, and each section shall be no more than five feet in length.
B. Business District sidewalks shall extend from the property line to the curb. Each section shall be four inches thick and no more than six feet in length.
C. Driveway areas shall be not less than six inches in thickness.
6. Location. Residential sidewalks shall be located with the inner edge (edge nearest the abutting private property) one foot from the property line, unless the Council establishes a different distance due to special circumstances.
7. Grade. Curb tops shall be on level with the centerline of the street, which is the established grade.
8. Elevations. The street edge of a sidewalk shall be at an elevation even with the curb at the curb or not less than one-half inch above the curb for each foot between the curb and the sidewalk.
9. Slope. All sidewalks shall slope one-fourth inch per foot toward the curb.
10. Finish. All sidewalks shall be finished with a broom finish or wood float finish.
11. Curb Ramps and Sloped Areas for Persons with Disabilities. If a street, road, or highway is newly built or reconstructed, a curb ramp or sloped area shall be constructed or installed at each intersection of the street, road, or highway with a sidewalk or path. If a sidewalk or path is newly built or reconstructed, a curb ramp or sloped area shall be constructed or installed at each intersection of the sidewalk or path with a street, highway, or road. Curb ramps and sloped areas that are required pursuant to this subsection shall be constructed or installed in compliance with applicable federal requirements adopted in accordance with the Federal Americans with Disabilities Act, including (but not limited to) the guidelines issued by the Federal Architectural and Transportation Barriers Compliance Board.
(Code of Iowa, Sec. 216C.9)