(A) Sidewalks repaired, replaced or constructed under the provisions of this subchapter shall be constructed in accordance with the city’s standard specifications. All such work shall be done under the direction and supervision of and subject to inspection and approval of the Public Works Director. If such work does not comply with the provisions of this chapter, the Public Works Director, after notice to the property owner, shall cause the sidewalks to be constructed in the proper manner and assess the cost for such work against the abutting property for collection in the same manner as a property tax.
(B) 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 concrete shall be the only cement used in the construction and repair of sidewalks. The cement shall be standard gray color. Request to use any other color must be approved by the City Engineer.
(2) Construction. Sidewalks shall be of one-course construction, using State Department of Transportation Class C portland cement concrete.
(3) Sidewalk base. Concrete may be placed directly on compact and well-drained soil. Where soil is not well drained, a four-inch sub-base of compact, clean, coarse gravel, sand or cinders 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 established grade.
(5) Length, width and depth. Length, width and depth requirements are as follows:
(a) Residential sidewalks shall be at least four feet wide and four inches thick, and each section shall be no more than four 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 and width unless the City Engineer so directs; and
(c) Driveway areas shall be not less than six inches in thickness.
(6) Grade. The City Engineer shall establish the sidewalk grade.
(7) 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.
(8) Slope. All sidewalks shall have a maximum slope of 2% towards the curb.
(9) Finish. All sidewalks shall be finished with a broom finish. All walks must be true to grade.
(10) Ramps for persons with disabilities. There shall be not less than two curb cuts or ramps per lineal block which shall be located on or near the crosswalks at intersections. Each curb cut or ramp shall be at least 48 inches wide, shall be sloped at not greater than one inch of rise per 12 inches lineal distance, with a maximum cross slope of 2%. Each curb ramp shall include installation of detectable warning panels with trucated domes. All curb ramp installations should comply with the Iowa SUDAS Standard Specifications, Division 7, Section 7030.
(Ord. 14973, passed 7-9-2018)