No final plat shall be approved by the village board, until the village engineer has certified that the plans and specifications of the proposed public improvements meet the minimum requirements of the village, county, state and other authorities having jurisdiction, and that the improvements comply with the following:

A. Sanitary Sewers. Sanitary sewer lines, connected with the existing public sanitary sewerage system shall be installed to serve all properties in subdivisions within the corporate limits of the village, and shall be in accordance with the standards of the state of Illinois Environmental Protection Agency and this title.

Each lot within the subdivision shall be provided with a connection to the sanitary sewer to terminate not less than two feet inside property line or easement line, and shall be located at the approximate one-third point of the lot.

The installation of the sanitary sewer line throughout the subdivision shall conform to the sizes and locations as laid out in the comprehensive plan or as required by the village to serve growth in the vicinity of the subdivision. The subdivider shall construct all trunk and lateral sewers in accordance with Environmental Protection Agency guidelines and the ordinance regulation the operation of the sewerage system of the village.

The size and slope of the service line laterals shall be subject to the approval of the superintendent of the wastewater system of the village, but in no event shall the diameter be less than six inches. Service laterals shall be installed onto lots behind the sidewalk and right-of-way and through any utility easements. All laterals must be brought to an elevation no deeper than five feet below the finished grade or the top of the sidewalk at a point two feet inside the property line.

B. Storm Sewers and Other Drainage Control Structures. All subdivisions within the subdivision jurisdiction of the village shall have a stormwater drainage system which is installed in accordance with plans and specifications which have been submitted by the subdivider and approved by the village engineer as required by this title.

C. Water. For any subdivision located within the subdivision control of the village, each lot within the subdivision shall be provided with a connection to the public water supply. Such water service shall be extended to a point not less than two feet inside the property line or easement line and shall be located in the approximate center of the lot. All connections to the public water mains shall comply with existing ordinances and shall be subject to the approval and inspection by the superintendent of public works or any other party assigned by the village board.

Water mains shall be as shown on the comprehensive plan, but no main shall be less than eight inches in diameter. All water mains shall be looped. The subdivider shall construct all laterals and feeder mains in accordance with Illinois EPA guidelines.

Fire hydrants shall be installed at all intersections with a maximum spacing of six hundred feet, and water valves at eight hundred feet maximum spacing.

D. Public Utilities. For any subdivision located within the subdivision control of the village, each lot within the subdivision shall be provided with conveniently available utility lines which supply natural gas, electricity, telephone service and television cable signal. All utility lines, including gas, electric, telephone and other communications or television signal cables, shall be laid underground with the subdivision. Methods of construction shall be those commonly used in the utility industry with above ground access points for distribution and maintenance purposes. All transfer boxes and junction boxes shall be located so as not to be unsightly or hazardous to the public. The installation of such lines shall be made in compliance with orders, rules and regulations of the Illinois Commerce Commission pursuant to the Illinois Public Utilities Act.

E. Disposal of Effluent from Sump Pumps. Each lot within the subdivision shall be provided with a connection to a drain line which is designed to receive the effluent from sump pumps. The drain line shall have a diameter of six inches or such larger diameter as is necessary to convey the anticipated volume of effluent and shall be located below the frost line. A connection from the drain line having a diameter of not less than two inches shall terminate not less than two feet inside the property line of each lot in the subdivision. All such drain lines shall discharge into either a storm sewer or an open ditch. Such drain lines shall be installed in accordance with plans and specifications which have been submitted by the subdivider and approved by the village engineer. Drain line material type shall be P.V.C. SDR 35 unless water main quality pipe is required to meet I.E.P.A. separation requirements.

F. The required public improvements listed in subsections A through E of this section together with any streets and related improvements shall be extended by and at the expense of the developer and/or subdivider to the boundaries of any subdivision or development whenever the village engineer determines that such extension is necessary to serve adjoining undeveloped territory. All such improvements shall be located in the right-of-way as indicated in the following illustration unless otherwise recommended by the village engineer:

Street Improvements.

1. The full width of the public right-of-way shall be graded, including the subgrade of the areas to be paved. All stumps, trees that cannot be saved, boulders and similar items shall be removed.

2. All streets shall be improved as specified in this title and to the latest specifications of the Illinois Department of Transportation, as found in the "Standard Specifications for Road and Bridge Construction."

3. The subdivider shall be responsible for the provision of right-of-way and pavement width as required by Section 16.16.010 for collector streets and minor residential streets. When the comprehensive plan indicates a proposed limited access major thoroughfare to traverse property proposed to be subdivided, the subdivider shall provide that such right-of-way, in central alignment and widths as indicated on the comprehensive plan, be maintained free from buildings, and further that buildings adjacent to such proposed major thoroughfare be so situated as to be not closer to the proposed major thoroughfare than the indicated all proper yard distances as set forth in the zoning ordinance.

4. Roadway pavement surface and base course shall meet the following requirements for residential streets and frontage roads:

PAVEMENT DESIGN SELECTIONS

MINIMUM ALLOWABLE THICKNESS