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Developers of all industrial, business and commercial sites and all residential subdivisions that will create more than 20 dwelling units shall conduct a traffic study to determine the impact of the traffic generated by the proposed development on the transportation network. Network connectivity and capacity for both vehicular and non-vehicular traffic shall be analyzed. A copy of the traffic study shall be provided to the village in conjunction with the initial submittal required by this chapter, such as for a regular subdivision, the initial submittal is a “location and sketch map” but the “preliminary plan” is often submitted at the same time; for a large scale development, the initial submittal is a “site plan”.
(Ord. 10-01, passed 1-12-10)
Developers of proposed non-residential developments shall explore opportunities for creating cross property access easement and developing shared driveway access points with abutting properties. Cross access easements and combined driveway access points between abutting properties shall be implemented whenever feasible.
(Ord. 10-01, passed 1-12-10)
LOCATION AND SKETCH MAPS
The purpose of the location and sketch maps is to determine the suitability of the site for subdividing and subsequent development. Suitability shall be measured by the conformance with the comprehensive plan, effect on natural resources and natural systems, ability to provide adequate essential services to the site and conformance with the goals of this chapter set forth in § 155.003.
(Ord. 94-01, passed 1-25-94)
Information filed with the Planning Commission shall be of sufficient detail so that the Commission can determine whether and how essential services will be provided and if the site is suitable.
(A) Location map. The location map shall consist of data added to an existing base map of a suitable scale, covering an area of at least one mile radius from the tract proposed for development. The location map shall show the following information:
(1) North point, scale and date.
(2) Outline of the entire area owned or controlled by the subdivider with approximate boundary dimensions and total acreage.
(3) Existing streets and roads expected to serve the area to be subdivided.
(4) Existing utility lines expected to serve the area to be subdivided.
(B) Sketch map. The sketch map shall show the general layout and character of the proposed development. The scale shall be no more than 100' to the inch. Exact dimensions or engineering plans are not required. The sketch map shall show the following information:
(1) North point, scale and date.
(2) Area to be subdivided with general dimensions.
(3) Proposed street network and alignments with existing streets.
(4) General lot layout.
(5) Potential open space - public parks, existing waterways, drainage or retention areas, etc.
(6) Outstanding or unusual natural features and vegetation.
(C) Additional information. In addition to the information required below, any other information necessary for the Planning Commission to determine site suitability or adequacy of mitigating factors as outlined in § 155.022 shall be submitted:
(1) Title of the proposed subdivision.
(2) Names, addresses and phone numbers of the owner, subdivider, engineer and land surveyor. A contact person should be designated.
(3) Proposed use and approximate number of housing units.
(4) Existing and proposed zoning.
(5) Method of sewage disposal.
(6) Method of water supply.
(7) Electric service provider.
(8) Fire protection district.
(9) School district.
(Ord. 94-01, passed 1-25-94)
(A) Essential utilities and public services. Land proposed to be subdivided shall have essential utilities and public services available within a reasonable distance and time period. Land to which these essential utilities and services will not be so provided shall be deemed unsuitable for subdividing. Essential utilities and services and criteria for determining if they can adequately be provided shall include the following:
(1) Sewage disposal:
(a) Sanitary sewer service provided by the Springfield Metro Sanitary District shall be the preferred method of sewage disposal. If sanitary sewer service is currently available to the land proposed to be subdivided, it shall be the sewage disposal method used.
(b) If sanitary sewer service is not currently available but the land is within the ultimate service area as identified in the Springfield Metro Sanitary District's Facility Plan and the Sanitary District determines that sewer service will be available within a reasonable period, the land may be deemed suitable for subdividing if:
1. Sanitary sewers shall be installed by the subdivider for future service to each building site; and
2. On-site sewage disposal facilities can and will be provided.
(c) If the land cannot be served with sanitary trunk sewers within a reasonable period, or if the land is not within the ultimate service area as identified in the Springfield Sanitary District's Facility Plan and therefore shall be unsuitable for subdividing unless it can be shown that adequate private sewage systems can be provided.
(2) Water supply:
(a) An Illinois Environmental Protection Agency approved public water supply shall be the preferred method of water supply.
(b) Private wells may be permitted for developments outside the village if the developer can demonstrate that it is not feasible to extend water mains to the land proposed to be subdivided. As a minimum guideline, the extension of 120' +- of water main per lot of the preliminary plan shall be deemed feasible. This distance shall be measured between the nearest suitable public water main and the proposed development. Mains within the development shall not count toward this extension footage.
(3) Fire protection: Land proposed to be subdivided shall meet the following conditions in order to be deemed suitable for subdividing:
(a) Land shall be within a fire protection district, if possible;
(b) There shall be a public road providing adequate access for emergency vehicles to the site, in accordance with the criteria outlined in § 155.022(A)(4)(a) below.
(c) There shall be a system of water mains or other source of water adequate for fire fighting purposes. Specific fire flows shall be determined by the Chatham Fire Protection District using a standard published by the Insurance Service Office entitled “Guide for Determination of Required Fire Flow”.
(d) A full sprinkler system installed with adequate water available as determined by the National Fire Protection Association Standards 13 or 13D depending on the occupancy of the building shall also satisfy this requirement.
(4) Streets:
(a) The suitability of existing streets for access to the proposed subdivision and/or for incorporation into the proposed subdivision’s street system shall also be considered. A street shall be considered suitable if:
1. The street is constructed of all weather material (concrete, asphalt, oil mat);
2. For low volume residential development (less than 250 vehicles per day), the pavement has the strength to carry fire trucks (minimum two-inch asphalt on six-inch crushed rock or equivalent);
3. For higher volume residential developments (greater than 250 vehicles per day) and non-residential developments, a traffic impact study and pavement evaluation/design may be required to assess the suitability of adjacent existing streets to support the anticipated traffic volume and loading for the intended use. Pavements shall be designed for the 10 year traffic projections for the anticipated future development in the area. The paved area is at least 20 feet wide with a road bed 24 feet wide;
4. There is a minimum vertical clearance of 14 feet, six inches;
5. The street has adequate cross slope and roadside ditch or storm sewer capacity; and
6. Access roads and access road intersections that serve the development must meet safety standards, including sight distance.
(b) If only a portion of the criteria set forth in division (A)(4) is met, the village’s consulting engineer, a representative of the Chatham Fire Protection District, and a representative of the Planning Commission shall make the recommendation as to whether the street is suitable for the proposed development or what improvements must be undertaken to make it suitable.
(5) Police protection: In determining the suitability of land for subdivision purposes, the distance that police would have to travel to respond to a call for service shall be considered.
(B) Other requirements. Land proposed to be subdivided shall meet the following requirements:
(1) Site must be in conformance with the Chatham Comprehensive Plan;
(2) Development must not be located in a 100 year floodplain or flood prone area.
(3) Development must not be located in any environmentally sensitive area including sites adjacent to Lake Springfield and its tributaries unless the subdivider can show that environmental concerns can be mitigated.
(4) Site must be of a shape, size and terrain so that usable lots and streets in conformance with this chapter can and will be created.
(5) Development must not have a major conflict with existing use of adjacent property (waste water treatment plants, power plants, major industrial plants, landfills, certain agricultural uses, etc.) unless it is shown that factors which cause the conflict can and will be mitigated.
(6) Development must not cause major off-site impacts and problems relating to, but not limited to, streets, drainage, water supply and distribution system, sanitary sewer collection system, parks. If it is determined by the Planning Commission that major off-site impacts will result, the subdivider must agree to mitigate the portion of the impact caused by the subdivision. A traffic impact study, water network model, and/or a hydraulic loading analysis of the sanitary collection system may be required to evaluate the degree of off-site impacts, and to evaluate improvements that may be required to mitigate impacts.
(7) When soils in the area to be developed have severe limitations for building site development or sanitary facilities as determined by the USDA Soil Conservation Service, the subdivider shall submit information indicating how these limitations will be addressed.
(Ord. 94-01, passed 1-25-94; Am. Ord. 16-35, passed 6-28-16)
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