Laserfiche WebLink
V-Ditch Design <br />Ditch Grade <br />Minimum Grade <br />Maximum Grade <br />RipRap <br />Peak <br />Min <br />Max <br />Depth <br />Velocity <br />Depth I <br />Velocity <br />D50 Inch <br />Flow <br />C12 <br />7.0% <br />12.0% <br />0.84 <br />0.76::::::::,:::.. <br />9 <br />6.84 <br />C13 <br />7.0% <br />11.0% <br />0.39 <br />3.9 <br />0.36 <br />4.6 <br />0.861 <br />C14 <br />5.0% <br />50% <br />Trapezoidal Channel C-Gulct <br />37.171 <br />IC15 <br />7.0% <br />11.0%1 <br />0.38 <br />3.8 <br />0.35 <br />4.61 <br />0.751 <br />C16 <br />2.0% <br />5.0% <br />1.98 <br />6.2 <br />1.66 <br />9 <br />35.15 <br />C17 <br />7.0% <br />11.0% <br />0.46 <br />4.4 <br />0.42 <br />5.1 <br />1.33 <br />C18 <br />33% <br />33% <br />0.68. <br />: s 1�;3 <br />0.68 <br />.3 <br />9 <br />8.25 <br />C19 <br />25% <br />25% <br />0.21 <br />4.9 <br />0.21 <br />4.9 <br />0.29 <br />C-20 <br />7.0% <br />11.0% <br />0.40 <br />4.0 <br />0.37 <br />4.7 <br />1 0.93 <br />IC-21 <br />7.0% <br />11.0% <br />0.34 <br />3.6 <br />0.31 <br />4.2 <br />0.591 <br />C-22 <br />7.0% <br />11.0% <br />0.91 <br />6.9 <br />0.84 <br />9 <br />8.37 <br />C-23 <br />7.0% <br />11.0% <br />0.94 <br />7.0 <br />0.87 <br />9 <br />9.13 <br />C-24 <br />40.0% <br />40.0% <br />0.61 <br />.:1241 <br />0.6177 <br />15.5 <br />21 <br />6.84 <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 infiltration. <br />I <br />I I <br />Ditch <br />D1 <br />Trapezoidal Channe - See page 8-11 <br />D2 <br />2% <br />40% <br />1.48 <br />5.1 <br />0.84 <br />12 <br />16.41 <br />D3 <br />20% <br />50% <br />0.10 <br />::8,5 <br />0.30: <br />6 <br />0.60 <br />D4 <br />2% <br />10% <br />0.44 <br />2.3 <br />0.33 <br />4.2 <br />0.78 <br />D5 <br />2% <br />2% <br />0.38 <br />2.6 <br />0.381 <br />2.58 <br />0.74 <br />ID6 <br />2% <br />2% <br />0.36 <br />2.4 <br />0.36 <br />2.39 <br />0.47 <br />Ditch <br />El <br />2%, <br />2%1 <br />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 <br />SAE1 <br />Deleted from Design <br />SAE2 <br />Deleted from Design <br />Ditch <br />JFG1 <br />30% <br />30% <br />0.21 <br />5.4 <br />0.21 <br />5.4 <br />0.33 <br />Ditch <br />GVB1 <br />28% <br />28% <br />0.16 <br />4.3 <br />0.16 <br />4.3 <br />0.16 <br />GVB2 <br />17% <br />17% <br />0.15 <br />3.2 <br />0.15 <br />3.2 <br />0.11 <br />GVB3 <br />10% <br />10% <br />0.17 <br />2.7 <br />0.17 <br />2.7 <br />0.11 <br />GVB4 <br />47% <br />47% <br />0.20 <br />:s: :,,: -;!6*.-S* <br />0.20 <br />6 <br />0.35 <br />GVB5 <br />35%1 <br />35%1 <br />0.18 <br />5.2 <br />0.18 <br />5.2 <br />0.25 <br />IGVB6 <br />15%1 <br />15%1 <br />0.20 <br />3.7 <br />0.20 <br />3.7 <br />0.20 <br />JGVB7 <br />10%1 <br />2%1 <br />0.30 <br />3.9 <br />0.43 <br />2.2 <br />0.60 <br />Berm al on coal stockpile ad - flow in ditches B 30, 31, <br />32 <br />HeightlVelocity <br />Height <br />Velocity <br />1 % <br />2% <br />1.00 <br />2.8 <br />0.87 <br />3.6 <br />4.00 <br />Berms Freeman Gulch <br />1 <br />2% <br />4% <br />0.341 <br />1.9 <br />0.301 <br />2.5 <br />0.33 <br />Provide riprap, gunnite or concrete lined V-Ditch as <br />necessary for erosion protection. I I <br />Ditches cut in rock will not require erosion proteGtion. <br />I <br />IFlow depth in feet does not include 0.3 feet freeboard I I I <br />TR-76 EXH. 8-29i 12/12 <br />