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File #: 21-4087    Version: 1 Name: Flood Plain Ordinance Amendment
Type: Ordinance Amendment Status: Approved
File created: 7/6/2021 In control: Board of Commissioners
On agenda: 7/29/2021 Final action: 7/29/2021
Title: PROPOSED ORDINANCE AMENDMENT AMENDMENT TO THE FLOODPLAIN ORDINANCE BE IT ORDAINED, by the Cook County Board of Commissioners, that Chapter 106 - Floodplains, Sections 106-2, 106-4, 106-5, 106-7, 106-8, and 106-9 are amended and Chapter 106-15 is enacted as follows: Sec. 106-2. - Definitions *** Accessory Structure means a non-habitable building, used only for parking of vehicles or storage, that is on the same parcel of property as the principal building and the use of which is incidental to the use of the principal building. *** ASCE means the American Society of Civil Engineers *** Base flood means the flood having a one-percent probability of being equaled or exceeded in any given year. The base flood is also known as the 100-year frequency flood event. Application of the base flood elevation at any location is as defined in Section 106-5. *** Base Flood Elevation (BFE) means the height in relation to the North American Vertical Datum (NAVD) of 1988 (or other datum, ...
Sponsors: PETER N. SILVESTRI
title
PROPOSED ORDINANCE AMENDMENT

AMENDMENT TO THE FLOODPLAIN ORDINANCE

BE IT ORDAINED, by the Cook County Board of Commissioners, that Chapter 106 - Floodplains, Sections 106-2, 106-4, 106-5, 106-7, 106-8, and 106-9 are amended and Chapter 106-15 is enacted as follows:

Sec. 106-2. - Definitions

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Accessory Structure means a non-habitable building, used only for parking of vehicles or storage, that is on the same parcel of property as the principal building and the use of which is incidental to the use of the principal building.

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ASCE means the American Society of Civil Engineers

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Base flood means the flood having a one-percent probability of being equaled or exceeded in any given year. The base flood is also known as the 100-year frequency flood event. Application of the base flood elevation at any location is as defined in Section 106-5.

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Base Flood Elevation (BFE) means the height in relation to the North American Vertical Datum (NAVD) of 1988 (or other datum, where specified) of the crest of the Base Flood. Application of the base flood elevation at any location is as defined in Section 106-5.

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Breakawaywall A wall that is not part of the structural support of the building and is intended through its design and construction to collapse under specific lateral loading forces, without causing damage to the elevated portion of the building or supporting foundation system.

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Coastal High Hazard Area means an area of special flood hazard extending from offshore to the inland limit of a primary frontal dune along an open coast, and any other area subject to high velocity wave action from storms or seismic sources. A coastal high hazard area is identified on a community's FIRM by the designation of zone VE. Cook County only has jurisdiction over the portions of the Cook County FIRM that are unincorporated as defined pursuant to 65 ILCS 5/7-4-4 and 55 ILCS 5/1-1004.

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Designated Floodway means the channel, including on-strea...

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