(A) Adoption of Flood Insurance Rate Map and Flood Insurance Study. The Flood Insurance Rate Map ("FIRM") and the Flood Insurance Study ("FIS") approved by the Federal Emergency Management Agency on February 1, 2019 and adopted by DuPage County, effective August 1, 2019, is hereby adopted by reference as the FIRM and FIS for the Village of Carol Stream.
(B) Adoption of various provisions of the DuPage County Countywide Stormwater and Floodplain Ordinance. The DuPage County Countywide Stormwater and Floodplain Ordinance ("DuPage County Ordinance") as contained in Section 15-1-1 et seq. of the DuPage County Code, as amended and approved by the DuPage County Board effective May 14, 2019, are hereby adopted by reference.
(C) Local amendments to the DuPage County Ordinance. The following sections of the DuPage County Ordinance, as effective within the corporate boundaries of the village, are hereby amended as follows:
(1) Appendix A, Definitions of the DuPage County Ordinance is hereby amended by revising the language for "Substantial Improvement" as follows:
SUBSTANTIAL IMPROVEMENT. Any repair, reconstruction, rehabilitation, addition, or other improvement of a building, during a ten (10) year period, the cost of which improvement equals or exceeds, individually or in the aggregate, fifty (50) percent of the fair market value of the building, determined from the equalized assessed value of the building, before the start of construction of the improvement or, if the building has been damaged, before the damage occurred. The term "cost of improvement" includes the value of volunteer labor and donated materials. The term "cost of improvement" does not, however, include either (1) any development for improvement of a building to correct existing violations of state or local health, sanitary, or safety code specifications that have been identified by the local code enforcement official and that are the minimum necessary to assure safe living conditions or (2) any alteration of a historic building that will not preclude the building's continued designation as a historic building.
(D) Adoption of general certifications. The general certifications, adopted from time to time by the DuPage County Board in accordance with Section 15-32 of the DuPage County Ordinance, are hereby adopted by reference. The full text of each general certification is available from the DuPage County Stormwater Management's website.
(E) Minor and major stormwater systems. Minor stormwater systems and major stormwater systems, as defined in the DuPage County Ordinance, shall be designed in accordance with the Illinois Department of Transportation's Drainage Manual, and the materials, installation, and testing shall be in accordance with the Standard Specifications for Water & Sewer Construction in Illinois, 8th Edition, except when modified by either this article or by the village's Manual of Design Standards and Construction Specifications of the Engineering Services Department.
(Ord. 2021-05-15, passed 5-3-2021)