(A) Plans and specifications.
(1) The subdivider shall, at his or her expense, have prepared plans and specifications and secure all permits necessary to construct all improvements required under this chapter. Plans and specifications shall be in accordance with the Standard Specifications for Road and Bridge Construction prepared and adopted by the Department of Transportation, Division of Highways for the state, and Standard Specifications for Water and Sewer Main Construction in Illinois.
(2) All plans and specifications shall be submitted to the Village Clerk who shall refer the documents to the Village Engineer for review and examination for conformity with the above-referenced specifications and provisions of this chapter. Any cost incurred for this review shall be borne by the subdivider.
(B) Improvements required. The improvements to be completed shall further allow the design criteria as listed herewith:
(1) Street improvements. The subdivider shall grade, drain and surface the roadways of all streets shown on his or her plat so as to provide reasonable access for vehicular traffic to each lot of his or her subdivision.
(a) The roadways shall be graded to cross over all drainage ditches and shall provide all necessary drainage structures and/or culverts as required to accommodate natural drainage flowage through the subdivision.
(b) The center 22 feet or more thereof, and a minimum outside diameter dimension of 80 feet, of cul-de-sac turn-around driving surface shall further be surfaced with a minimum of eight inches of compacted aggregate base course material.
(c) The center 22 feet or more thereof and cul-de-sac turn-around driving surface shall further be surfaced with bituminous surface treatment. Class A-3 as specified in the Standard Specifications as stated above.
(d) The earth roadbed shall be no less than 30 feet in width.
(e) Where any existing street is to be extended in the subdivision which has storm sewer, the said storm sewer shall be extended by the subdivider and outlet provided as found necessary.
(f) The subdivider shall pay the cost of providing and installing a sewage lift station where the same shall be necessary to serve the proposed subdivision.
(2) Sanitary sewer system. The subdivider shall provide sanitary sewer mains, services and appurtenances to serve each lot in the subdivision, including connection to existing sanitary sewer. The sewer shall be planned and designed in accordance with rules and regulations of the state, and planning shall include preparation and submittal to the proper state agency for permit to construct, as required by law.
(a) Sanitary sewer mains shall be of adequate size to serve the area being subdivided, as well as any tributary area which may reasonably be expected to require sewer service in the future, but, in no case shall the inside diameter of the sewer main be less than eight inches.
(b) Sanitary sewer services shall be of not less than four inches diameter and shall be installed to the property line of each lot.
(c) Manholes shall be provided at all junctions, dead-ends, changes in direction of flow, changes in grade or changes of pipe size, and at not greater than 400 feet intervals on straight runs.
(d) Materials and methods of construction shall comply with the sewer use ordinance on file in the office of the Village Clerk.
(e) The subdivider shall obtain any permits required by law and shall submit same together with plans and specifications for the construction prior to commencement of any work.
(3) Water supply.
(a) The subdivider shall construct water mains on the public rights-of-way, private roadways with easements or utility easement within the subdivision and shall construct the water service leads to each lot line as determined necessary by the Village Engineer.
(b) The size of the water mains and services shall be determined and approved by the Village Engineer so that future extensions into further subdivided property adequately furnish water to necessary fire protection equipment.
(c) All fire hydrants necessary for fire protection shall be furnished and installed by the subdivider as part of the water main construction within the subdivision at no cost to the village. Only fire hydrants of the type approved by the village shall be used in this construction.
(d) Fire hydrants shall be located at street intersections and as otherwise directed by the village or Village Engineer as may be deemed necessary.
(4) Private water and sewer systems. Proposed subdivisions not located within 1,000 feet of existing water and sewer mains may have private wells and septic systems; provided, that five-tenths acres shall be the minimum lot size and County and State Health Department approval is obtained.
(C) Improvement construction regulations.
(1) Permits required. The subdivider shall obtain any permits required by law and shall submit same, together with the plans and specifications for the construction work prior to commencement of any work.
(2) Guarantee of improvements. The subdivider shall do all work at his or her expense, either previous to the final approval of his or her subdivision plat by the village, or deliver to the village a duplicate signed contract covering all of the work and an acceptable surety bond guaranteeing the completion of the work contracted for within one year from the date of the contract.
(3) Supervision and inspections.
(a) All public improvements proposed to be made under the provisions of this chapter shall be constructed under the direct supervision of a licensed engineer and shall be inspected during construction by the licensed engineer who shall certify to the village that the construction has been made pursuant to the plans and specifications, and meets good construction practice. Additional inspections may be made periodically during the course of construction by the Village Engineer or a duly authorized representative.
(b) In the event there is no direct supervision by a licensed engineer during the time of construction of the improvements, a television inspection shall be made of the sanitary sewer at the subdivider’s expense certifying that the sanitary sewer meets the specifications and requirements of this chapter.
(c) All inspections shall be at the cost of the subdivider. Any salary or other costs in connection with the supervision and inspection by the licensed engineer or television inspection shall be paid by the subdivider.
(1986 Code, § 9-1-5)