The documents and information to be submitted under the provisions of this chapter are indicated in the following subsections:
A. Submittal Formats: When possible, information and data required should be provided on the subject plat or development plan map. Supplementary information and data in the form of maps, drawings, reports, listings, letters, etc., should be identified and organized to enable expeditious review of the submittal. A submittal booklet containing all required items and information is recommended.
B. Identification And Certification: Plats and development plans shall typically contain or indicate a project identification (name), identification of the preparer and the applicant, preparation and revision dates, and appropriate certification and signature block.
C. Scale Of Maps: Drawing scales of maps, plats, and plans shall be as appropriate to clearly indicate the information and detail required. The minimum allowable plat scale shall be one inch equals one hundred feet (1" = 100').
D. Size Of Maps: Plat and plan sheets shall be one of four (4) standard sheet sizes (30" x 36", 24" x 36", 17" x 22", or 11" x 17") or as requested by the Director.
E. Digital Submittal: All submittals of computer generated graphical or text material shall be accompanied by a corresponding copy of the computerized file(s) containing this information. It shall be provided in a format and medium approved by the department.
F. Elevation Datum: Elevations and topography shall be measured from a vertical datum reference bench mark that is part of a surveyed and established areawide datum system referenced to the National Geodetic Vertical Datum (MSL 1929). The reference bench mark used to establish the project bench mark shall be indicated on the project topographic plan.
G. Ties To PLSS Monuments: Subdivisions within one mile of two (2) U.S. Public Land Survey System (PLSS) monuments, for which monument records are on file in the Recorder's Office, shall be tied to said monuments by survey traverse, and the final plat shall show the bearing(s) and distance(s) thereto.
1. Resubdivision of subdivisions that have been previously tied to two (2) such monuments need only show on the final plat the previously plotted distances and bearings to said monuments established by the original subdivision plat.
2. Where Illinois State plane coordinates have been established for such PLSS monument, said coordinates shall be calculated for the property boundary corners of the subdivision and shall be indicated on the subject plat.
H. Waivers Or Deferments: In specific cases and for documented reasons, the County may waive or defer the submission of a particular document or individual items of a document. The reasons for the waiver or deferment shall be indicated in writing by the Plat Officer or in the minutes of the Zoning Board of Appeals. (Ord. 2018-012, 6-12-2018)