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(a) Every subdivision shall be required to provide complete public utilities, including water, sanitary sewer, storm sewer and full street improvements, including street paving, curbs and gutters, street trees and sidewalks.
(b) The minimum standards for required public improvements shall be as follows:
(1) Water. A public water system containing a six-inch minimum supply line, fire hydrants, valves and other water system appurtenances shall be constructed in conformance with the requirements of the Village Engineer.
(2) Sanitary sewer.
A. A public sanitary sewer containing an eight-inch minimum size pipe shall be constructed and the sewer size and grade and other appurtenances of the system shall be constructed in conformance with the requirements of the Village Engineer.
B. Where a public sanitary main is not reasonably accessible outside of the village limits, in the opinion of the Planning Commission, proper provisions shall be made for the disposal of sanitary wastes by one or the other of the following methods, as the case may be:
1. In the case of a subdivision in which the average size of lots is less than one-half acre, the subdivision shall be provided with a complete sewer system, including a lateral connection for each lot and a community sewage treatment plant of a type meeting the approval of the County Engineer. The right of the county to charge the actual cost of operating and maintaining such treatment plant shall be filed with the final or record plat and incorporated in each deed.
2. In the case of a subdivision in which the average size of lots is one-half acre or more in area and where the County Engineer deems it appropriate, based on soil and other conditions as determined by percolation and other tests, private restrictions shall be filed with the final or record plat and incorporated in each deed calling for the installation on each lot of an individual sewage disposal system meeting fully the requirements of the officials having jurisdiction.
(3) Storm sewer. A storm drainage system, including necessary storm sewers, drain inlets, manholes, culverts and other necessary appurtenances shall be required and constructed in conformance with the requirements of the Village Engineer.
1. All natural water drainage ways shall be preserved at their natural gradient unless otherwise determined by the Commission upon recommendation from the Village Engineer.
2. All lots shall be finish graded so that all storm waters may drain therefrom.
(4) Streets. Full street improvements, including adequate subgrade preparation, hard surfacing, curbs and gutters shall be required in every subdivision in conformance with the construction standards of the Village Engineer. The minimum standards for such street improvement shall be as follows:
1. Street surfacing. The finished roadway surfacing shall be either asphaltic or bituminous aggregate, concrete or portland cement concrete installed in conformance with the specifications of the Village Engineer.
2. Street surfacing width.
a. Minimum street surfacing widths shall be as follows:
300 feet plus (to backs of curbs)
Neighborhood collector streets
38 feet (to backs of curbs)
52 feet (to backs of curbs)
b. In cases of low-density residential developments which have lot widths of 75 feet or over, or cul-de-sac and loop street development, the minor street paving width may be lowered to 24 feet where, in the judgment of the Commission, this width will be sufficient to accommodate the anticipated traffic volumes of the overall neighborhood. Added street pavement width may be required by the Commission for minor streets which are designed to serve high-density residential developments and commercial or industrial subdivisions.
3. Curbs and gutters. Curbs and gutters of a type approved by the Village Engineer shall be provided for all minor, neighborhood collector and major streets within each subdivision.
4. Street islands and boulevards. Where the subdivider proposes boulevard streets and/or street islands in his or her street layout, the subdivider shall make suitable plans for landscaping such areas. All the landscaping plans shall be approved as to height, size and type of plant material by Council.
(5) Sidewalks and crosswalks. Each subdivision shall provide concrete sidewalks five feet in width on both sides of the street in accordance with the Village Engineer’s specifications. The Commission may reduce the requirement to four feet where, in its judgment, such improvement will adequately serve the pedestrian needs of the subdivision. In subdivisions containing lots 100 feet in width or more, the Commission may reduce this requirement to one sidewalk where, in its judgment, such improvement will adequately serve the pedestrian needs of the subdivision and the surrounding neighborhood. Crosswalkways, where required, shall have a five-foot paving width centered within the required ten feet public right-of-way.
(6) Alleys. Alleys, where permitted, shall be paved in concrete or other bituminous material to their full right-of-way width under specifications approved by the Village Engineer.
(7) Street trees. Street trees shall be required in each subdivision of a type, size and location as specified by Council.
(8) Monuments. Monuments shall be placed at all block corners, angle points, points of curves in streets and at such other points as required by the Village Engineer.
(9) Street lights. Street lights shall be installed and financed by or through the village or the county, as the case may be, at street intersections and at such other locations as may be required to maintain minimum standards of public safety.
(Ord. 371, passed 2-5-1973)