(A) Contents. The preliminary plat shall contain the following information:
(1) Proposed name and type of subdivision; names shall not duplicate or too closely resemble names of existing subdivisions;
(2) Location of boundary lines in relation to a known section, quarter section or quarter-quarter section lines comprising a legal description of the property;
(3) Names and addresses of the subdivider and the designer making the plat, and names and addresses of adjoining property owners within 500 feet;
(4) Graphic scale of plat, not less than one inch to 100 feet;
(5) Date and north point;
(6) Existing conditions:
(a) Location, width and name of each existing or platted street, road or other public open spaces, and permanent buildings, within or 200 feet adjacent to the proposed subdivision;
(b) All existing sewers, water mains, gas mains, culverts, power or communication cables, drainage tiles or other underground installations within the proposed subdivision or 200 feet adjacent thereto; and
(c) Waterways, ditches, ponds, marshes and floodable low lands in a plan which describe the existing conditions.
(7) Proposed development:
(a) The location and width of proposed streets, roads, alleys, pedestrian ways and easements. Typical road cross-section shall be provided showing grading within the right-of-way, traveled way width, type and thickness of surfacing proposed, base course thickness and type;
(b) The location and character of all proposed public utility lines, including sewers (storm and sanitary), water, gas and power lines;
(c) Layout, numbers or letters and approximate dimensions of lots and the number of each block;
(d) Location and size of proposed parks, playgrounds, churches, school sites or other special uses of land to be considered for dedication to public use, or to be reserved by deed of covenant for the use of all property owners in the subdivision and any conditions of such dedication or reservation;
(e) Building setback lines with dimensions;
(f) Indication of any lots on which a use other than residential is proposed by the subdivider; and
(g) The zoning district, if any, on and adjacent to the tract.
(8) Vicinity sketch, at a legible scale, to show the relation of the plat to its surroundings and an air photo at an approximate scale of one inch equals 1,000 feet of the area to be platted and one mile in each direction from the plat;
(9) Where lots to be platted are larger in area than 20,000 square feet or greater than 150 feet in width at the building setback line, public sewer and water facilities are unavailable and the plat is within one mile of a municipality in the county, a preliminary re-subdivision plan shall be prepared and submitted, showing a feasible method by which large lots may be re-subdivided in the future for higher density development in the event that public sewer and water facilities become available. The location of the principal structure on each lot shall be shown and building permits will only be issued for those structures which allow for economically feasible re-subdivision;
(10) Existing topography, as determined necessary by the County Zoning Administrator, including date of survey, with contour intervals of not less than two feet, related to United States Geological Survey datum; also the location of water courses, ravines, bridges, lakes, marshes, wooded areas, rock outcroppings, approximate acreage, and other such features as may be pertinent to the subdivision;
(11) (a) Two copies of profiles for each proposed street and road, showing existing grades and proposed approximate grades and gradients on the centerline.
(b) Bridges shall be shown.
(c) A complete drainage plan shall be provided showing culvert locations with culvert sizes no less than 15 inches in diameter.
(d) All culverts shown in approaches to county and township roads will be provided by the developer. Approaches to individual lots shall meet the frontage roads on a positive grade.
(e) All ditches and slopes shall be seeded and other erosion control measures and devices provided where necessary as specified by the County Highway Engineer.
(12) Proposed surface drainage diagrams for lots in the form of arrows, proposed contours or other appropriate method.
(B) Supplementary requirements. Upon request of the Planning Commission, supplementary information shall be submitted; such supplementary information may include soil tests and reports, as specified by the County Engineer, by an approved soils laboratory.
(Ord. passed 12-11-1979)