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<br />"I <br /> <br />Tne ~rea between the flo~dwdY and the ~ounddry of the lOO-year fl~od is termed the <br />flOQdwayfrlnge. Areas in the floQdway fringe can be developed as long as accepted <br />floodproofingtechn1quCSdreused, (such as filling these areas one foot above the <br />100-yedr '~dter surfdce). <br /> <br />The floodwdY calculated for the Spring Cr-eek floodplain used the criterion of en~ <br />crodchment t~ a 1/2 foot rise in the lOO-year water surfdce. (For full development <br />conditions). This criteria is consistent with Fort Collins floodplain regulations. <br />and with criteria used in the Flood Insurance St~dy, City of Fort Collins (Refer- <br />ence25). The floodwaypresented in this 5tl.Kiywas computed on the basis ofequ al <br />conveyance reduction from each side of the f1oodpldin. The results Of these compu~ <br />tdtions were tabulated (See Table 8) at selected cross sections throughout the <br />study reach, <br /> <br />r100dWdY ~'idths"ere determined at cross-section~; bet....een (:,'oss-seLt1on. tI,\~ ~oun<.l- <br />dries w~re intcrpo 11 dted. III Cdses where t);e boundari es of the f1oodw~y and the <br />lOO-yedr flood dre eJther close together or colinedr, only the rloodwuy bounddry <br />h""IJ,'.."choWfl. <br /> <br />-23- <br />