(A) Every preliminary plat shall be prepared by a land surveyor registered in the state.
(B) The preliminary plat to be provided by the subdivider shall meet and include the following specifications and supporting data:
(1) Proposed name of the subdivision and location;
(2) Small key map showing the relation of the proposed subdivision to section or U.S. survey lines and to platted subdivisions and dedicated streets within 300 feet of the proposed subdivision;
(3) Names and addresses of the owner, subdivider, land planning consultant and the Illinois registered land surveyor who prepared the preliminary plat;
(4) Existing and proposed streets or alleys and rights-of-way on and adjoining the site of the proposed subdivision; showing the names and including street roadway and right-of-way widths, approximate gradients, types of widths of pavement, curbs, sidewalks, crosswalks, planting strips and other pertinent data, including classification of all streets as to function as established herein;
(5) All lot lines adjacent to and abutting the subdivision;
(6) Layout of lots, showing approximate dimensions, numbers, lot area and zone district classification(s);
(7) Parcels of land, if any, proposed to be dedicated or reserved for schools, parks, playgrounds or other public, semipublic or community purposes and use(s) of the area to be subdivided;
(8) Easements, existing and proposed, showing locations, widths and purposes;
(9) Building setback line and dimensions;
(10) Location and size of existing public utilities and drainage ways or facilities within or adjoining the proposed subdivision and the location and size of nearest water trunk mains, interceptor sewer lines and other pertinent utilities;
(11) Location, type and approximate size of utility improvements to be installed;
(12) Tract boundary lines showing dimensions, bearings, angles and references to known land lines;
(13) The gross area and net area acreage of the proposed subdivision, the acreage of streets, and of any areas reserved for the common use of the property owners within the subdivision and/or for public use;
(14) Where the topography has a significant bearing upon the street grades, the plan of public utilities and drainage ways or facilities in the proposed subdivision and when it would be difficult for the Plan Commission or the Village Board to understand the relation of the plan to the existing topographic conditions, contour lines at not greater than two-foot intervals shall be shown. Contour lines shall be shown for all hillside areas and other areas of significant slope;
(15) Location of major watercourses, ponding areas, natural drainage ways and flood hazard areas;
(16) The preliminary plat shall be drawn to a scale of not greater than 100 feet to one inch, provided, however, that if the resulting drawing would be over 42 inches square, a scale of up to 200 feet to one inch may be used;
(17) North arrow and date; and
(18) Whenever a large tract is intended to be developed in stages, and only part of that tract is to be submitted for final plat approval, a preliminary plat for subdivision of the entire tract shall be submitted.
(1994 Code, § 34-2-6)