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a 100-year, 24-hour storm with correctly sized conveyances for <br />100-yr, 24-hour storm flows consistent with standards used by the <br />City in planning fot• the flood protection of homes and public <br />facilities. <br />Ploodplain - No pet•son or political subdivision shall alter ot• fill land <br />below the 100-year flood elevation of any watet• body, public water, or <br />public water wetland without first obtaining a permit from the Watershed <br />District. <br />a. Placement of fill within the 100-year floodplain is prohibited <br />unless compensatory storage is provided. Compensatory storage <br />must be provided on the development or• immediately adjacent to <br />the development within the affected floodplain. <br />Compensatory storage shall result in the creation of floodplain <br />storage to fully offset the loss of floodplain storage. <br />Compensatory storage shall be created prior to or concurrently to <br />the permitted floodplain filling. <br />b. All habitable buildings, roads, and underground parking structures <br />on or• adjacent to a project site shall comply with the following <br />flood control and freeboard requirements: <br />See Table 3 below for freeboard requirements. <br />Table 3 -Flood Control and Freeboard Requirements <br /> <br />Condition Water bodies with Piped Water Bodies without Subsurface Stormwater Mana ement BMPs <br />g <br /> Outlets Piped Outlets <br /> • Low floor must be a <br />Low floor must be a Low floor must be a minimum of 2 feet <br /> minimwn of 2 feet minimum of 2 feet above the 100-year flood elevation or one <br /> above the I00-year <br />above the back to foot above the emergency overflow <br /> flood elevation. <br />back 100-year flood elevation unless flood proofing measures <br />New Habitable <br />elevation. are constructed with the building. <br />Buildings Low opening must be a minimum of 2 feet <br /> above the 100-year flood elevation or one <br /> foot above the emergency overflow <br /> elevation. <br /> Low opening must be <br />Low opening must be Low floor must be a minimum of 2 feet <br /> a minimwn of 2 feet a minimum of 2 feet above the 100-year flood elevation or one <br />Existing Habitable above the 100-year <br />above the back to foot above the emergency overflow <br />Buildings -Adjacent flood elevation. back 100-year Flood. elevation unless flood proofing measures <br />to and Potentially are constructed with the BMP. <br />Affected by Ftood Low opening must be a minimum of 2 feet <br />Waters above the 100-year flood elevation or one <br /> foot above the emergency overflow <br /> elevation. <br />Stormwa~erOrdinance 92fi- l0 <br />12 <br />