STORM DRAINAGE DESIGN SUMMARY RATIONAL METHOD <br />City of Eugene, 10 Year, 10 Min. Duration <br />roject: Oakleigh Meadows Storm Frequency: 10 Year 'rENGENEERS~ 2350 Oakmont Way, Suite 105 Computed by: MAC Date: 3113/13 <br />Number: 13-7076 Manning in 0.009 PVC CIVIL 9MUMPA1 EUILUI1116610 Eugene, Oregon 97401 Checked by: Date: <br />S1xIYEYIitG IAN➢IISF FU![xSN6 <br />Loc <br />tlon Descri <br />Lion <br />Tributary Areas <br />Pipe Data <br />, <br />Conc. <br />Time <br />Elevat'on Comput <br />ations <br />a <br />A <br />C <br />C'A <br />I <br />Q <br />Dlam. <br />Slope <br />V <br />Q <br />Length <br />Time <br />Time <br />Invert Elevations <br />Remarks <br />Location <br />From . <br />Street/ <br />Sfetion <br />To <br />Street! <br />Station <br />Incre- <br />Area <br />Acres <br />Total <br />Area <br />Acres <br />Equiv- <br />Area <br />Acres <br />In. <br />per <br />hr, <br />cfs <br />Of <br />Pipe <br />In, <br />fps <br />CFS <br />Ft <br />of <br />Flow <br />Min. <br />of <br />Concen- <br />Min. <br />Upper <br />End <br />Falll <br />Drop <br />Lower <br />End <br /> <br />cb1 <br />dsl <br />0.073 <br />0.073 <br />0.9 <br />0.065 <br />2.10 <br />0.1374 <br />6 <br />0.0050 <br />' 2.9267 <br />0.5747 <br />29 <br />0.17 <br />10.17 <br />401.27 <br />0.15 <br />401.13 <br />dsl <br />cb2 <br />0.021 <br />0.094 <br />0.9 <br />0.085 <br />2.1 <br />0.1777 <br />6 <br />0.0050 <br />2.9267 <br />-0.5747 <br />41 <br />0.23 <br />10.40 <br />401.13 <br />0.21 <br />400.92 <br />cb2 <br />ds2 <br />0.091 <br />' 0,185 <br />0.9 <br />0.166 <br />2,1 <br />0.3491 <br />6 <br />0.0050 <br />2.9267 <br />0.5747 <br />42 <br />0.24 <br />10.64 <br />400.92 <br />0.21 <br />400.71 <br />ds2 <br />1 <br />0.021 <br />0.206 <br />0.9 <br />0.185 <br />2.1 <br />0.3895 <br />6 <br />0.0050 <br />2.9267 <br />0.5747 <br />10 <br />0.08 <br />10.69 <br />400.71 <br />0.05 <br />400.66 <br />1 <br />1 <br />ds3 <br />cb3 <br />0.021 <br />0.021 <br />0.9 <br />0.019 <br />2.1 <br />0.0403 <br />4 <br />0.0110 <br />3.3128 <br />0.2891 <br />48 <br />0.24 <br />10.24 <br />401.45 <br />0.53 <br />400.92 <br />cb3 <br />ds4 <br />0.162 <br />0.184 <br />0.9 <br />0.165 <br />2.1 <br />. 0.34691 <br />6 <br />0.0050 <br />2.9267 <br />0.5747 <br />26 <br />0.15 <br />10.39 <br />400.84 <br />0.13 <br />400.71 <br />ds4 <br />]1 <br />6,021 <br />-205 <br />0.9 <br />0.184 <br />2.1 <br />0.3872 <br />6 <br />0.0050 <br />2.9 <br />2677 <br />. 0.5747 <br />_ 10 <br />0.06 <br />10.45 <br />400.71 <br />0.05 <br />400.66 <br />T <br />1 <br />]1 <br />ad1 <br />0.411 <br />0.411 <br />0.9 <br />0.370 <br />2.1 <br />0.7767 <br />8 <br />0.0036 <br /> <br />92 <br />3,00841 <br />r <br />1,0501 <br />65 <br />0.36 <br />11.05 <br />400.58 <br />0.23 <br />400.3 <br />4 <br />ad1 <br />ad2 <br />1 0.007 <br />1 0,418 <br />1 0.91 <br />0.377 <br />1 2,1 <br />0.7908 <br />8 <br />0.0036 <br />3.00841 <br />1.0501 <br />211 <br />0121 <br />11.17 <br />400,341 <br />0.08 <br />400.27 <br />f <br />ad2 <br />ad3 <br />1 0.006 <br />1 0.424 <br />0.9 <br />0.3821 <br />_ 2.1 <br />0.8019 <br />8 <br />0.0036 <br />3.0084 <br />1.0501 <br />251 <br />0.141 <br />11.31 <br />400.27 <br />0.09 <br />400.18 <br />ad3 <br />ad4 <br />1 0.019 <br />0.443 <br />0.9 <br />0.399 <br />2.1 <br />0.8371. <br />8 <br />0.0036 <br />3.0084 <br />1.0501 <br />18 <br />1 0.10 <br />11.41 <br />4010.18 <br />O.08 <br />400.11 <br />ado <br />RG <br />0.025 <br />0.468 <br />0.9 <br />0.421 <br />2.1 <br />0.8846 <br />8 <br />0.0036 <br />3.0084 <br />1,0501 <br />25 <br />0.14 <br />11.55 <br />400.11 <br />0.09 <br />400.02 <br />Flaw reduce <br />d to radevelo ment flows by de <br />tainin in swale <br />r93 <br />0.0220 <br />' 4 <br />0.0100 <br />3.1586 <br />0.2756 <br />217 <br />1.15 <br />1.15 <br />401.50 <br />2.1 7 <br />399.33 <br />1 <br />r 9l, r g2, r 4 r 5 -r 6 <br />0.1270 <br />4 <br />0.0100 <br />3.1586 <br />0.2756 <br />179 <br />0.94 <br />0.94 <br />40126 <br />1.79 <br />399.47 <br />rg7.r 8, r 9 <br />0,0790 <br />4 <br />0.0100 <br />3.1586 <br />02756 <br />159 <br />0.84 <br />0.84 <br />401.12 <br />1.59 <br />399.53 <br />rg10, rg11, rg12, rg13, rgl4 <br />0.1250 <br />6 <br />0.0050 <br />2.9267 <br />0.5747 <br />119 <br />0.68 <br />0.68 <br />400.06 <br />0.60 <br />399.47 <br />rg15 <br />0.0190 <br />4 <br />0.0100 <br />3.1586 <br />0.2756 <br />10 <br />0.05 <br />0.05 <br />400.00 <br />0.10 <br />399.90 <br />4" <br />603.00 <br />6" <br />158.00 <br />154.00 <br />otal Q = <br />cfs <br />10" <br />0.00 <br />12" <br />0.00 <br />' <br />v <br />