(A) The policy herein outlined pertains to the design and construction of all public improvements whether they are a part of a new subdivision, a planned development, special assessment project, or an improvement to a particular parcel of property. This work shall be done in accordance with the following: Village ordinance entitled "Comprehensive Amendment of Subdivision Regulations"; Standard Specifications for Road and Bridge Construction of the State of Illinois, Division of Highways, dated January 2, 1958 (latest revision); rules and regulations governing the submission of Plan Documents of the State Sanitary Water Board, Circular No. 840 as amended; Rules and Regulations of the State of Illinois Department of Public Health, Circular No. 829; Rules and Regulations of the North Shore Sanitary District.
(B) With the submission of the preliminary plat of subdivision, the developer shall submit three copies of an engineering report that includes:
(1) All requirements as outlined in this chapter.
(2) A topographic map with a contour interval of not more than two feet which shall also show the proposed and adjoining lots and streets. All elevations to be on United States Geological Survey datum and at a minimum scale of one inch 100 feet.
(3) A schematic layout, if required by the Plan Commission, of the proposed sewers and water mains, including size, inverts, and location at a minimum scale of one inch 100 feet.
(4) A written statement describing the adequacy, or problems, of the proposed facilities, as well as the effect they will have on existing or future facilities.
(C) Upon approval of the preliminary plat and report, the developer shall submit three sets of final plans and specifications, and estimate of cost, to the Village Engineer for review. A marked copy shall be returned to the developer, who will then make the necessary corrections and resubmit three sets of each to the Village Engineer.
(D) All documents shall be prepared under the supervision of a professional engineer registered in the state, and shall bear his seal. They shall be on 24 inch × 36 inch sheets and shall include the following:
(1) Title sheet with the type of improvement, project name, owner's name, engineer's name, location plan, index of sheets, legend, bench mark, and north arrow.
(2) Plat of survey at a minimum scale of one inch 100 feet.
(3) Topographic map with street and lot layout at a minimum scale of one inch = 100 feet, and a contour interval of not more than one foot. All elevations on the engineering drawings shall be on United States Geological Survey datum.
(4) General layout showing all existing and proposed improvements on one overall sheet at a minimum scale of one inch = 100 feet.
(5) Plan and profile sheets at a minimum horizontal scale of one inch = 50 feet and a vertical scale of one inch = five feet showing all existing and proposed improvements.
(6) Standard detail sheets for streets, curbs and gutters, manholes, catch basins, inlets, valve vaults, sewer and water services, street lighting, and the like. A sepia of these details will be furnished without cost by the Village Engineer. All special details will be furnished by the developer.
(7) Grading plan of the subdivision at a minimum scale of one inch = 50 feet showing existing and proposed grades, the finished grade at all corners of the house and lot, top of curb grades at lot corner, the direction of flow of surface runoff, all breaks in grade, and storm inlets and catch basins.
(8) Specifications covering the proposed improvements on 8½" x 11" sheets shall be furnished. Sepias of standard specifications shall be furnished without cost by the Village Engineer.
(E) All revisions to the approved plans shall be submitted to the Village Engineer for the Engineer's approval prior to construction.
(F) The developer shall be responsible for coordinating and supervising all work to meet the approval of the village.
(G) Within 30 days upon completion of the improvements and before final acceptance, "as built" plans shall be supplied to the village. These plans shall be in black ink on tracing cloth and shall include, by reference to property or street lines, the location of all valves, fire hydrants, manholes, inlets, house services, sewer and water mains, and other facilities as the Village Engineer may require. The plans shall be attested to and signed by the registered professional engineer preparing the plans and shall be a condition of final acceptance.
(Ord. 1995-0-25, passed 12-26-95)