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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />25 <br /> <br />VII. SUMMARY <br />This report has identified the probable flooding limits of <br />the lOO-year flood event in the Granby and Sable Drainageways. <br />The technical data used to develop the floodplain limits are <br />based on: (1) p1 anned, future deve lopment conditions 1n the <br />basin, (2) existing drainage system in-place, including the 6th <br />Avenue detention basin, and (3) no blockage of existing culverts <br />and bridge open1ngs. Even with these assumptions, floods of <br />greater magnitude can and wi 11 occur in which the 1 imi ts of <br />flooding will exceed those shown in this report. <br />Presently, Granby and Sable Drainageways are considered to <br />have a relatively low flood damage potential for the flood hazard <br />areas described 1n the flood hazard area section. The <br />preservation and regulation of the floodplain will serve to <br />maintain the present level of damage potential while any <br />improvements will minimize or reduce the flood damage potential. <br />Reducing the flood hazard potential can be accomplished through <br />structural improvements to culverts and channels, detention <br />basin, flood proofing of structures, and an operational and <br />effective floodplain management program. <br />