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(A) Subdivisions should be designed to create an integrated system of lots, streets, trails and infrastructure that provides for efficient movement of people, bicycles and automobiles within the subdivision and to and from adjacent developments.
(B) Subdivisions should provide for the efficient movement of through traffic by providing a completely interconnected hierarchy of streets in order to avoid isolation of residential areas and over-reliance on federal, state and county roadways.
(C) All subdivisions should be designed to provide safe and attractive pedestrian routes to nearby commercial centers, as well as nearby public/civic, employment and recreation uses.
(D) Street layouts should be uncomplicated, so that emergency services, public services and visitors can find their way to their intended destinations.
(E) Subdivision designs must avoid the proliferation of private streets and driveways with access onto major streets.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009)
(A) Subdivision perimeter areas should include adequate landscaping and buffering to protect future residents of the subdivision and adjacent developments from adverse impacts caused by significant differences in use, development intensity or building height.
(B) Lot and street designs should be designed to avoid extended distances of back yard frontage on major streets. When back yard frontages cannot be avoided, the Plat Committee is authorized to require additional lot depth, additional landscaping, fences, walls or any combination of the techniques to help reduce the negative visual and noise-related impacts associated with the platting patterns.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009)
(A) Open spaces should be integrated into and throughout subdivisions, should be connected with one another and with open spaces in adjacent developments, and should include trails that connect to pedestrian routes in the subdivision and to regional trail systems.
(B) Open spaces anticipated for use as active or developed parks should be located on relatively flat, well-drained terrain.
(C) Open spaces not anticipated for use as active or developed parks should be located on prominent high points with significant views, or along significant and interesting geological features or wooded areas or along significant drainages.
(D) Open spaces that are anticipated to serve as trail corridors (pedestrian, bicycle or equestrian) should be continuous with anticipated trail corridors on adjacent properties.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009)
(A) Lands subject to flooding, high water table, excessive erosion and subsidence because of soil types or groups, water courses and other drainageways, steep slopes or other natural hazards may not be platted for residential or other uses in a way as to present a danger to life or property, or to the public health, safety or general welfare.
(B) The recommendations of the Will County Soil Manual must be followed with respect to the land plan and construction details of proposed subdivisions.
(C) Soil borings must be made to confirm the soils map information included in the United States Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS) Soil Survey of the county. Representative soil borings must be taken to a depth at least five feet below the lowest proposed foundation, two feet below the lowest proposed sewer or the point of refusal. At least one boring must be made per ten acres or more if necessary to confirm the soil survey.
(D) Two copies of a soils report prepared by a qualified soil professional must be submitted with the preliminary plat. The report must include, at a minimum, soil classifications, water level observations, blows per foot and an assessment of the suitability of existing soils for the proposed development. For developments in which rain gardens, bio-infiltration, bio-swales or other groundwater infiltration best management practices (BMPs) are proposed, permeability data is also required.
(E) Developments in which structures will be constructed within, or adjacent to floodplains, or areas prone to flooding, must comply with the requirements of Federal Emergency Management Agency (FEMA) Technical Bulletin 10-01, Ensuring That Structures Built on Fill In or Near Special Flood Hazard Areas Are Reasonably Safe From Flooding.
(F) The developer shall be required to provide and install emergency warning sirens in subdivisions when deemed necessary following the guidelines as set forth by the County Emergency Management Agency.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009) Penalty, see § 154.999
(A) Subdivisions should be designed and laid out in a manner that creates the least damage to the natural environment, avoids to the maximum extent feasible, significant natural resources such as prime agricultural lands, wooded areas and wetlands.
(B) Subdivisions should be designed to preserve and enhance woodlands, water bodies, streams, rivers, hillsides and other natural resources that exist on a site.
(C) Subdivisions should be designed to preserve cultural and historic resources.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009)
Where a proposed park, playground, school or other public use shown on an official map of the county, local park district, forest preserve district of the county, or of a municipality within the county is located in whole or in part in a subdivision, appropriate public agencies and governing bodies must be given an opportunity to negotiate the acquisition of property for the use for one year from the date of recording of the final plat.
(Ord. passed 7-8-1970; Res. 09-167, passed 6-18-2009)
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