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The subdivider shall provide and install all public improvements, as required by this code. Improvements shall be provided and installed in accordance with the standards and engineering requirements established by these regulations as well as any and all standards and requirements adopted by other local, state and federal authorities which may have jurisdiction of the area being subdivided.
(Prior Code, § 151.35) (Ord. passed 9-10-1973)
(A) The subdivider shall prepare two copies of all final engineering plans, drawings, designs and specifications as required in this subchapter, with those plans, designs, drawings and specifications, to be filed with the County Clerk upon approval of the final plat by the County Board, and prior to the final plat being recorded.
(B) The engineering drawings shall be prepared by an engineer qualified to practice in the state.
(Prior Code, § 151.36) (Ord. passed 9-10-1973; Res. passed 7-11-1978)
Unless otherwise specified, all construction work shall be in accordance with the provisions of the current issue of the Standard Specifications for Road and Bridge Construction, prepared by the Department of Transportation, Division of Highways, including special provisions.
(Prior Code, § 151.37) (Ord. passed 9-10-1973)
(A) Pavement construction for all streets, highways and alleys shall consist of a minimum base course, constructed of compacted six-inch aggregate base, type B, with an A-3 bituminous surface treatment or equivalent.
(B) Where required, gutters or combination curb and gutters, shall be constructed of portland cement concrete, not less than 24 inches in width and not less than six inches thick.
(Prior Code, § 151.38) (Ord. passed 9-10-1973)
(A) The subdivider shall construct storm water drainage facilities, which may include curbs and gutters, catch basins and inlets, storm sewers, road ditches and open channels, as may be required. All these facilities must be designed and constructed to hydraulically accommodate maximum potential volumes of flow.
(B) Cross road culverts shall have a minimum diameter of 18 inches or equivalent.
(C) Entrance culverts shall have a minimum diameter of 12 inches and be at least 24 feet long; shall be constructed pursuant to ILCS Ch. 605, Act 5, § 9-105. No non-rain water shall be discharged any closer than ten feet from the property line.
(D) The agency that will have the maintenance responsibility of the street system must be consulted as to the acceptance of the drainage system.
(Prior Code, § 151.39) (Ord. passed 9-10-1973; Ord. passed 2-24-2005) Penalty, see § 154.999
(A) The subdivider shall construct sanitary sewers in a manner as to make adequate sanitary sewerage service available to each lot within the subdivision. If public sewer facilities are not available, the subdivider shall make provisions for adequate private sewage disposal systems as specified by the county. No non-rain water shall be discharged any closer than ten feet from the property line.
(B) (1) The Committee may require the installation of sewer laterals to the street lot line.
(2) If, at the time of final platting, sanitary sewer facilities are not available to the plat, but will become available within a period of five years from the date of plat recording, the subdivider shall install or cause to be installed sanitary sewers and sewer laterals to the street lot line in accordance with this section and shall cap all laterals as may be specified by the Committee.
(Prior Code, § 151.40) (Ord. passed 9-10-1973; Res. passed 2-24-2005)
(A) Sidewalks shall have a minimum width of four feet and a minimum thickness of four inches, except across driveways, where the minimum thickness shall be six inches.
(B) Sidewalks shall be installed on both sides of all streets where the average lot frontage is less than 100 feet.
(C) Sidewalks shall be installed on one side of all streets where the average lot frontage is less than 200 feet.
(D) Where the average lot frontage is greater than 200 feet, the Committee may require the sidewalks, as it deems necessary to provide for the safety of pedestrians.
(Prior Code, § 151.41) (Ord. passed 9-10-1973)
(A) Permanent monuments shall be placed at all corners and at points of tangency of curve lines along the boundary of the subdivision. Permanent monuments shall be of concrete with minimum dimensions of four inches in diameter and 36 inches long.
(B) All corners not marked by concrete monuments shall be marked by galvanized or wrought iron pipe or iron or steel bars at least 30 inches in length and not less than one-half inch in diameter. The top of the pipe or bar is to be set level with the established grade of the ground.
(C) In addition, a minimum of one permanent benchmark shall be established for each subdivision of 20 acres or more. This monument shall be of concrete with a minimum dimension of four inches diameter at the top; and six inches diameter at the bottom; and 48 inches long, with a brass plate securely fastened to the surface. On the brass plate shall be inscribed the number and elevation of the benchmark.
(Prior Code, § 151.42) (Ord. passed 9-10-1973)
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