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ATTY/ORD.0014/CC ORD ENGINEERING AND TRANSPORTATION CODE UPDATES – EXHIBIT D <br />REV: 11-18-25 LR <br />Page 3 of 3 <br />for the automatic entry of flood waters. See Section 41.1(C)(3). <br />Areas of the garage below the BFE must be constructed with <br />flood resistant materials. See Section 41.18(B). <br />2. A garage attached to a nonresidential structure must meet the <br />above requirements or be dry floodproofed. For guidance on <br />below grade parking areas, see FEMA Technical Bulletin TB- <br />6. <br />b. Detached garages and accessory structures. <br />1. “Accessory structures” used solely for parking (two (2) car <br />detached garages or smaller) or limited storage (small, low- <br />cost sheds), as defined in Section 41.6, may be constructed <br />such that its floor is below the base flood elevation (BFE), <br />provided the structure is designed and constructed in <br />accordance with the following requirements: <br />a. Use of the accessory structure must be limited to parking or <br />limited storage; <br />b. The portions of the accessory structure located below the <br />BFE must be built using flood-resistant materials; <br />c. The accessory structure must be adequately anchored to <br />prevent flotation, collapse and lateral movement; <br />d. Any mechanical and utility equipment in the accessory <br />structure must be elevated or floodproofed to or above the <br />BFE; <br />e. The accessory structure must comply with floodplain <br />encroachment provisions in Section 5.6; and <br />f. The accessory structure must be designed to allow for the <br />automatic entry of flood waters in accordance with Section <br />41.18(C)(3). <br />2. Detached garages and accessory structures not meeting the <br />above standards must be constructed in accordance with all <br />applicable standards in Section 41.18. <br />8.A. - Page 24 of 24 <br />163