Utilities and street improvements shall be provided in each new subdivision in accordance with the following schedules.
(A) Industrial, commercial and institutional subdivisions. Utility and street improvements on industrial, commercial and institutional subdivisions as required by the Board with advice of Planning Commission; providing, however, that, in no case will the requirements be less than required for a residential subdivision.
(B) Conformance. All public water supply, sanitary sewer, storm drainage systems shall conform to the latest edition of the Standard Specifications for Water and Sewer Main Construction in Illinois; and, the appropriate fire protection district, public water company and sanitary district that has jurisdiction over these utilities.
(C) Residential subdivisions. Utility and street improvements for residential subdivisions in accordance with the following.
(1) Water supply.
(a) Public water supply is required within the corporate limits; public or private water supply as approved by the Planning Commission outside the village limits, but within the area of subdivision jurisdiction.
(b) Where public water supply is constructed, stub-up lines shall be located at each lot and shall extend at least one foot (V) inside the property line. The curb above such stub-up line shall be marked with the letter “W” or other suitable marker.
(c) Water meters are required before any premises to be served by the village’s water supply are occupied, and shall be installed in accordance with Chapter 50 of this code of ordinances.
(2) Sewage disposal.
(a) Connection to the public sanitary sewer system is required within the corporate limits; public or private sewage disposal as approved by the Planning Commission outside the village limits but within the area of subdivision jurisdiction.
(b) Where public sewers are constructed, stub-up lines shall be located at each lot and shall extend at least one foot inside the property line. The curb above such stub-up line shall be marked with the letter “S” or other suitable marker.
(c) 1. Pumping stations required by virtue of the subdivision shall be installed by the developer as approved by the Board.
2. Pumping station, force main, equipment, site and easements will be dedicated to the village or its assignee, prior to the issuance of building permits.
3. If a greater-capacity system is required by the village, the subdivider shall be required to pay only that portion of the cost attributable to his or her subdivision.
4. Future subdivisions desiring to utilize such pumping stations shall reimburse the village on a prorated basis for the village’s investment involved.
(3) Storm drainage.
(a) Surface drainage shall be provided for in approved paved gutter, grass swales or piped underground channels, construction, capacity and flow of which are approved by the Village Engineer.
(b) Street grades shall meet the foregoing design requirements and shall be approved in profile and cross-section by the Village Engineer. Storm water detention facilities shall be constructed for all developments using the method outlined in the latest edition of the Illinois Department of Transportation’s Drainage Manual. Rainfall intensity shall be from the latest technical letters of the State Water Survey. All “dry bottom” detention basins shall be designed with the minimum bottom slope of 1.5%. A minimum slope of 1% may be used if an underdrain tile system is installed in the basin. All detention basins shall have a minimum of one-foot freeboard above the 100-year high water elevation and an emergency overflow capable of carrying the 100-year discharge.
(c) The developer or owner, upon direction of the village, may pay a fee instead of providing on-site storm water detention. The fee shall be based upon the prorated share of the village’s cost or expected cost to provide a regional detention facility. Cost shall be prorated based upon the amount of run-off contributing to the regional detention facility.
(4) Street right-of-way, pavement, curb and gutter. The subdivider shall be responsible for the provision of right-of-way, street improvements, and specifications of construction as indicated on the following schedules. All street, road, sidewalk and the like improvements shall be constructed in accordance with the latest edition of IDOT Standard Specifications for Road and Bridge Construction in Illinois.
Construction Specifications of Street and Road Improvement | ||
Road Type | Base Course | Surface Course |
Construction Specifications of Street and Road Improvement | ||
Road Type | Base Course | Surface Course |
Combination concrete curb and sidewalk | Combination concrete curb and sidewalk, where required, shall be of P.C. concrete, 4-in. minimum thickness. Width of the walk shall be 5.5 ft. The curb height above the street grade shall be a minimum of 4 in. to a maximum of 6 in. The curb height shall be adjusted as necessary to maintain positive drainage to the street from adjacent property areas. Sidewalk shall slope at 2% towards the street | |
Curb and gutter | Type B-6.18 combination curb and gutter in accordance with IDOT Highway Standards | |
Gravel base bit. surface | 8 in. aggregate base, CA 6 or CA 10 | 1-1/2 in. Bit. Cone. Binder Course, 1 W Bit. Cone. Surf. Course CL I |
P.C. concrete | Compacted earth material | 6 in. thickness, portland cement concrete |
Shoulders | 6 in. aggregate shoulder Type B | |
Sidewalk | Sidewalks, where required, shall be of P.C. concrete, 4-in. minimum thickness with pitch and surface to assure adequate drainage. Where sidewalk cross-driveways, they shall be 6-in. minimum thickness | |
(5) Setbacks from proposed right-of-way. Building setbacks from proposed edge of right-of-way of major streets or highways planned for future construction shall be not less than the appropriate front, rear or side yard of that particular zoning district.
(6) Setbacks on existing streets or roads. Building setbacks on existing streets or roads on which the right-of-way width is indicated to be below the minimum standard width as herein indicated for such type road, shall be measured from the edge of the proposed width. (In effect, the setback will be increased by one-half the distance the right-of-way is below standard.)
(7) Planting strips. Planting strips in roadways shall be approved by the Village Board as to gradient, drainage and surface treatment.
(8) Street names. Street name signs conforming to the standard for the village shall be provided at all intersections and approved by the Village Board.
(9) Street lights. Street lights shall be purchased and installed at each intersection involving a public street or public streets in the subdivision by the subdivider at his or her or its expense.
(10) Yard lights. A yard light shall be required by the subdivision restrictions in the front yard of each improved lot.
(Ord. 14-02-02, passed 2-4-2014; Ord. 21-12-01, passed 12-21-2021)