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<br />I <br />I <br />I TabI e III- I Table I11-2 <br />I Drainage Basin Characteristics ONE HOUR RAINFALL DEPTH - INCHES <br /> Basin A L Lc S Percent Kt* Cp* Ct* <br />I Area Basin Centroidal Slope Impervious <br /> (Acres) Length Distance (ft/ft) 2- Year 5- Year 10-Year 50-Year 100-Year <br /> (Mil es) (Miles) .97 1.37 1.66 2.33 2.63 <br />I FUTURE LAND USE TIME TEMPORAL DISTRIBUTIONS IN PERCENT OF ONE HOUR RAINFALL <br /> (MINUTES) DEPTH AND CORRESPONDING INCREMENTAL RAINFALL DEPTH <br /> Al 74.6 .44 .16 .0152 41 .090 .413 .156 <br />I A2 107.5 .62 .19 .0129 40 .090 .412 .174 % Inches % Inches % Inches % Inches % Inches <br /> A3 225.8 .87 .31 .0204 43 .090 .418 .177 0 0 0 0 0 0 0 0 0 0 0 <br />I A4 174.5 .93 .35 .0291 40 .091 .407 .169 5 1 .01 1 .01 1 .02 1 .02 1 .03 <br /> A5 94.4 .93 .42 .0128 25 .101 .332 .231 10 3 .03 3 .04 3 .05 2 .05 2 .05 <br />I A6 60.0 .58 .27 .0286 10 .111 .250 .187 15 7 .07 7 .10 7 .12 4 .09 4 .11 <br /> A7 121. 9 .73 .35 .0284 10 .111 .250 .201 20 14 .14 14 .19 14 .23 7 .16 8 .21 <br /> A8 76.8 .78 .36 .0193 10 .111 .250 .221 25 25 .24 25 .34 25 .42 15 .35 15 .39 <br />I A9 104.6 .74 .34 .0100 10 .111 .250 .216 30 14 .14 13 .18 11 .18 25 .58 25 .66 <br /> B1 78.9 .74 .38 .0240 10 .111 .250 .211 35 7 .07 7 .10 7 .12 12 .28 14 .37 <br />I B2 107.9 .95 .47 .0268 10 .111 .250 .220 40 4 .04 4 .06 4 .07 8 .19 8 .21 <br /> C1 101. 9 .63 .28 .0209 28 .099 .346 .182 45 4 .04 4 .06 4 .07 5 .12 5 .13 <br />I C2 142.9 .95 .44 .0301 10 .111 .250 .212 50 3 .03 3 .04 3 .05 5 .12 5 .13 <br /> C3 91.5 .77 .37 .0272 10 .111 .250 .206 55 3 .03 3 .04 3 .05 4 .09 4 .11 <br />1 C4 100.6 .81 .28 .0258 10 .111 .250 .201 60 3 .03 3 .04 3 .05 4 .09 4 .11 <br /> C5 71.3 .53 .32 .0361 10 .111 .250 .180 65 2 .02 2 .03 2 .03 4 .09 4 .11 <br /> 70 2 .02 2 .03 2 .03 2 .05 2 .05 <br />I HISTORIC LAND USE 75 2 .02 2 .03 2 .03 2 .05 2 .05 <br /> Basin A L Lc S Percent Kt* Cp* Ct* Initial Final 80 2 .02 2 .03 2 .03 2 .05 2 .05 <br />I Area Basin Centroidal Slope Impervious Infiltration Infil tra tion 85 2 .02 2 .03 2 .03 2 .05 2 .05 <br /> (Acres) Length Distance (ft/ft) Inches Inches .05 <br /> (Miles) (Miles) Hour Hour 90 1 .01 1 .01 1 .02 2 .05 2 <br />I 95 1 .01 1 .01 1 .02 1 .02 1 .03 <br />Al 408.3 1.25 .61 .0190 5 .116 .22 .27 1.5 .5 <br /> 100 1 .01 1 .01 1 .02 1 .02 1 .03 <br /> A2 151. 7 1.03 .40 .0210 5 .116 .22 .24 1.2 .4 <br />I 105 1 .01 1 .01 1 .02 1 .02 1 .03 <br />*Based on Modified Test Version of CUHP under development. 110 1 .01 1 .01 1 .02 1 .02 1 .03 <br />I Kt (L Lc)0.14 115 1 .01 1 .01 1 .02 1 .02 1 .03 <br /> Ct = SO.22 120 1 .01 1 .01 1 .02 1 .02 1 .03 <br />I m-2 <br />