Laserfiche WebLink
TR -98 EXH. 8-29i 01/15 <br />V -Ditch Design <br />Ditch Grade Minimum Grade Maximum Grade <br />RipRap <br />Peak <br />Min <br />Max Depth <br />Velocity <br />Depth <br />Velocity <br />D50 Inch <br />Flo <br />C12 <br />7.0% <br />12.0% 0.84 <br />6.5 <br />0.76 <br />8.0 <br />9 <br />6.84 <br />C13 <br />7.0% <br />11.0% 0.39 <br />3.9 <br />0.36 <br />4.6 <br />0.86 <br />**.C14 <br />5.0% <br />50% Trapezoidal Channel C-Gulch37.87 <br />C15 <br />7.0% <br />11.0% 0.38 <br />3.8 <br />0.35 <br />4.6 <br />0.75 <br />C16 <br />2.0% <br />5.0% 1.98 <br />6.2 <br />1.66 <br />8.7 <br />9 <br />35.85 <br />C17 <br />7.0% <br />11.0% 0.46 <br />4.4 <br />0.42 <br />5.1 <br />1.33 <br />*** C18 <br />33% <br />33% 0.68 <br />12.3 <br />0.68 <br />12.3 <br />9 <br />8.50 <br />C19 <br />1 25% <br />25%1 0.21 <br />4.9 <br />0.21 <br />4.9 <br />0.29 <br />C-20 <br />7.0% <br />11.0% 0.40 <br />4.0 <br />0.37 <br />4.7 <br />0.93 <br />C-21 <br />7.0% <br />11.0% 0.34 <br />3.6 <br />0.31 <br />4.2 <br />0.59 <br />C-22 <br />7.0% <br />11.0% 0.91 <br />6.9 <br />0.84 <br />8.2 <br />9 <br />8.87 <br />C-23 <br />7.0% <br />11.0% 0.94 <br />7.0 <br />0.87 <br />8.4 <br />9 <br />9.88 <br />C-24 <br />40.0%1 <br />40.0% 0.611 <br />12.6 <br />0.61 <br />15.5 <br />21 <br />6.84 <br />C-25 <br />1 10.0%1 <br />20.0%1 0.181 <br />2.8 <br />0.16 <br />3.5 <br />0.16 <br />** Riprap lined trapezoidal channel in C -Gulch - See pages 8-17 - 8-1 <br />*** Line with <br />unnite, concrete or other material to prevent <br />infiltration. <br />Ditch D1 <br />Trapezoidal Channel - See page 8-11 <br />D2 <br />2% <br />10% 1.48 <br />5.1 <br />0.84 <br />7.8 <br />12 <br />9.7 <br />D3 <br />20% <br />50% 0.10 <br />9.9 <br />0.30 <br />4.2 <br />12-18"1 <br />17.72 <br />D4 <br />2% <br />10% 0.44 <br />2.3 <br />0.33 <br />4.2 <br />0.78 <br />D5 <br />2% <br />2% 0.38 <br />2.6 <br />0.381 <br />2.58 <br />0.74 <br />D6 <br />2% <br />2% 0.36 <br />2.4 <br />0.36 <br />2.39 <br />0.47 <br />D7 <br />3% <br />3% 0.30 <br />3.1 <br />0.30 <br />3.06 <br />2.41 <br />D8 <br />3% <br />3% 0.50 <br />3.9 <br />0.50 <br />3.931 <br />8.33 <br />D9 <br />2% <br />2% 0.50 <br />3.2 <br />0.50 <br />3.22 <br />6.52 <br />D10 <br />30% <br />30% 0.8 <br />9.9 <br />0.80 <br />9.94 <br />12 <br />10.84 <br />D11 <br />30% <br />30% 0.90 <br />11.1 <br />0.90 <br />11.12 <br />18 <br />17.27 <br />Ditch E1 <br />2% <br />2%1 0.64 <br />2.9 <br />0.64 <br />2.9 <br />1.79 <br />G1 <br />Renamed Ditch D-4 <br />G2 <br />Deleted from Design <br />Ditch SAE1 <br />Deleted from Design <br />SAE2 <br />Deleted from Design <br />Ditch FG1 <br />30% <br />30% 0.21 <br />5.4 <br />0.21 <br />5.4 <br />0.33 <br />Ditch GVB1 <br />28% <br />28% 0.16 <br />4.3 <br />0.16 <br />4.3 <br />0.16 <br />GVB2 <br />17% <br />17% 0.15 <br />3.2 <br />0.15 <br />3.2 <br />0.11 <br />GVB3 <br />10% <br />10% 0.17 <br />2.7 <br />0.17 <br />2.7 <br />0.11 <br />GVB4 <br />47% <br />47% 0.20 <br />6.5 <br />0.20 <br />6.5 <br />6 <br />0.35 <br />GVB5 <br />35% <br />35% 0.18 <br />5.2 <br />0.18 <br />5.2 <br />0.25 <br />GVB6 <br />1 15% <br />15%1 0.20 <br />3.7 <br />0.20 <br />3.7 <br />0.20 <br />GVB7 <br />1 10% <br />2%1 0.30 <br />3.9 <br />0.431 <br />2.2 <br />0.60 <br />Berm al ng coal stockpile <br />ad - flow in ditches B 30, 31, 32 <br />Height Velocit <br />Heigh Velocity <br />1% <br />2% 1.00 <br />2.8 <br />0.87 <br />3.6 <br />4.00 <br />Berms Freeman Gulch <br />2% <br />4% 0.34 <br />1.9 <br />0.30 <br />2.51 <br />0.33 <br />Provide riprap, gunnite <br />or concrete lined V -Ditch as <br />necessary for erosionprotection. <br />Ditches cut in rock will not require erosion protection. <br />Flow depth in feet does not include 0.3 feet freeboard <br />TR -98 EXH. 8-29i 01/15 <br />