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Rational Method - Developed Conditions <br />for: Thomson Residence <br />n= <br />0.013 <br />C <br />Rational Method <br />By BJL <br />Date 2/22/2021 <br />ENGINEERING <br />Developed <br />Conditions <br />Chkd <br />Date <br />250 4th Ave. South <br />Scale N.T.S. <br />Sheet No. <br />Suite 200 <br />Job No. <br />Edmonds, WA 98020 <br />Thomson Residence <br />20478.20 <br />Conveyance Capacity <br />4-inch <br />6-inch <br />8-inch <br />10-inch <br />12-inch <br />Slope (ft/ft) <br />0.005 <br />0.13 <br />0.40 <br />0.87 <br />1.55 <br />2.52 <br />0.010 <br />0.19 <br />0.56 <br />1.23 <br />2.20 <br />3.57 <br />0.015 <br />0.23 <br />0.69 <br />1.50 <br />2.69 <br />4.37 <br />0.020 <br />0.27 <br />0.79 <br />1.74 <br />3.11 <br />5.05 <br />0.025 <br />0.30 <br />0.89 <br />1.94 <br />3.47 <br />5.65 <br />0.030 <br />0.33 <br />0.97 <br />2.13 <br />3.81 <br />6.18 <br />0.035 <br />0.36 <br />1.05 <br />2.30 <br />4.11 <br />6.68 <br />0.040 <br />0.38 <br />1.12 <br />2.46 <br />4.39 <br />7.14 <br />0.045 <br />0.40 <br />1.19 <br />2.60 <br />4.66 <br />7.57 <br />0.050 <br />0.43 <br />1.26 <br />2.75 <br />4.91 <br />7.98 <br />0.055 <br />0.45 <br />132 <br />2.88 <br />5.15 <br />8.37 <br />0.060 <br />0.47 <br />1.38 <br />3.01 <br />5.38 <br />8.75 <br />0.065 <br />0.49 <br />1.43 <br />3.13 <br />5.60 <br />9.10 <br />0.070 <br />0.50 <br />1.49 <br />3.25 <br />5.81 <br />9.45 <br />0.075 <br />0.52 <br />1.54 <br />3.36 <br />6.02 <br />9.78 <br />0.080 <br />0.54 <br />1.59 <br />3.47 <br />6.21 <br />10.10 <br />0.085 <br />0.56 <br />1.64 <br />3.58 <br />6.40 <br />10.41 <br />0.090 <br />0.57 <br />1.68 <br />3.68 <br />6.59 <br />10.71 <br />0.095 <br />0.59 <br />1.73 <br />3.78 <br />6.77 <br />11.01 <br />0.100 <br />0.60 <br />1.78 <br />3.88 <br />6.95 <br />11.29 <br />