(A) The following standard shall apply to all streets hereafter developed within any subdivision.
(1) The right-of-way dedication for any public street must be not less than 60 feet in width.
(2) The minimum crown width of any street shall be not less than 60 feet in width.
(3) The overall width of the crown and shoulders of the street shall not be less than 36 feet with each shoulder containing equal width.
(4) The street rights-of-way shall be graded for their full widths to provide suitable finish grades for the surface, sidewalks, planting strips with adequate drainage, drainage and convenient access to the lots.
(5) All streets shall be numbered, named and marked by the subdivides according to city standards.
(B) The minimum acceptable surfacing of the streets in a subdivision shall be:
(1) A minimum of eight inches compacted sand stabilized shell limestone, or lime stabilized crushed aggregate base meeting State Department of Highways specifications, surfaced with 11-inch HMAC Type D a minimum width of 22 feet, with shoulders sloped inch per foot to the ditches on each side.
(2) The subdivider must grade out the necessary open ditches for satisfactory drainage to point or points designated by the city.
(3) The subdivider must also furnish and install all necessary reinforced concrete pipe culverts to provide adequate drainage within the subdivision with a 15-inch I.D. minimum size.
(C) In the alternative, the City Council may require the subdivider to install:
(1) A minimum of six inches reinforced concrete pavement (3,000 P.S.I.) with six-inch integral concrete curbs; or
(2) Asphaltic concrete pavement, four inches of coarse graded binder course, and two inches of fine graded surface course, with a six-inch concrete curb and an 18-inch gutter; 29 inches overall.
(D) Lime treatment of subgrade will be required where the plasticity index of the subgrade soil is 12 inches or greater. The developer will furnish soil analysis report to establish the plasticity index, reinforced with #3 rod at 24 inches O.C. reinforcing steel.
(Ord. 328, passed 11-20-84; Am. Ord. 108-95, passed 2-21-95)