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MR -191 App. B-2 10/16 <br />Appendix B <br />Summary <br />Coal Mine Waste Disposal Area Ditches and Culverts <br />Ditch Grade <br />Minimum Grade I <br />Maximum Grade <br />RipRap <br />Peak <br />Min <br />Max <br />Depth I <br />Velocity <br />Depth Velocity <br />50 Inch <br />Flo <br />Feet I <br />Ft/Sec I <br />Feet <br />Ft/Sec <br />cfs <br />F1 <br />1 4.2%1 <br />4.2%1 <br />0.401 <br />4.21 <br />0.401 <br />4.21 <br />1 <br />6.18 <br />F2 <br />1 1.3%1 <br />1.3%1 <br />0.471 <br />2.61 <br />0.471 <br />2.61 <br />1 <br />5.17 <br />F3 <br />1 4.4%1 <br />4.4%1 <br />0.341 <br />3.81 <br />0.341 <br />3.81 <br />1 <br />3.83 <br />F4 <br />1 30.0%1 <br />30.0%1 <br />1.401 <br />14.01 <br />1.401 <br />14.01 <br />241 <br />39.22 <br />F5 <br />1 2.0%1 <br />2.0%1 <br />0.381 <br />2.81 <br />0.381 <br />2.8 <br />3.50 <br />F6 <br />1 1.1%1 <br />1.1%1 <br />0.401 <br />2.11 <br />0.401 <br />2.11 <br />1 <br />3.93 <br />F7 <br />1 2.0%1 <br />2.0%1 <br />1 <br />Trapezoidal Channel <br />1 <br />12 <br />19.08 <br />F7a <br />1 33.0%1 <br />33.0%1 <br />0.901 <br />11.71 <br />0.901 <br />11.71 <br />241 <br />19.08 <br />F8 <br />1 4.6%1 <br />4.6%1 <br />0.371 <br />4.21 <br />0.371 <br />4.21 <br />1 <br />5.22 <br />F9 <br />1 30.0%1 <br />30.0%1 <br />0.101 <br />6.21 <br />0.101 <br />6.21 <br />12 <br />1.40 <br />F10 <br />1 2.2%1 <br />2.2%1 <br />0.541 <br />3.71 <br />0.541 <br />3.7 <br />9.63 <br />F11 <br />1 3.4%1 <br />3.4%1 <br />0.331 <br />3.31 <br />0.331 <br />3.31 <br />1 <br />3.19 <br />F12 <br />1 3.6%1 <br />3.6%1 <br />0.391 <br />3.81 <br />0.391 <br />3.8 <br />5.03 <br />F13 <br />1 2.0%1 <br />2.0%1 <br />0.801 <br />4.11 <br />0.801 <br />4.1 <br />3.93 <br />F14 (2%) <br />1 2.0%1 <br />2.0%1 <br />ITrapezoidal Channel <br />I <br />11.22 <br />F14 (30%) <br />1 26.0%1 <br />26.0%1 <br />ITrapezoidal Channel <br />1 <br />181 <br />11.22 <br />F15 <br />1 1.8%1 <br />1.8%1 <br />0.481 <br />2.71 <br />0.481 <br />2.741 <br />10.961 <br />F16 <br />1 10.0%1 <br />10.0%1 <br />1.301 <br />8.01 <br />1.301 <br />7.981 <br />18 <br />3.05 <br />F17 <br />1 1.0%1 <br />1.0%1 <br />0.681 <br />2.61 <br />0.681 <br />2.61 <br />1 <br />2.14 <br />IF18 <br />1 3.4%1 <br />3.4%1 <br />0.561 <br />2.31 <br />0.561 <br />2.31 <br />11.08 <br />F19 <br />1 2.9%1 <br />2.9%1 <br />0.391 <br />2.61 <br />0.391 <br />2.61 <br />10.60 <br />East Div. <br />1 2.0%1 <br />30.0%1 <br />ITrapezoidal Channel <br />1 <br />0-24" 121.21 <br />W. Div #2 <br />1 4.0%1 <br />4.0%1 <br />0.401 <br />2.61 <br />0.401 <br />2.61 <br />13.52 <br />W. Div #1 <br />1 3.5%1 <br />3.5%1 <br />0.811 <br />4.31 <br />0.811 <br />4.3 <br />10.64 <br />Permanent Culvert: <br />F2130" <br />I I <br />I <br />I <br />I I15.14 <br />F4 I Deleted From Design with TR-87, will remain in place until Pond D expansion is complete. <br />Temporary Culvert: <br />T-F1 30" Half Culvert <br />1 <br />2.0• <br />T-F2 12" <br />1 <br />1 <br />0.47 <br />T-F3 24" <br />I21.41 <br />T-F4 30" Half Culvert <br />4.74 <br />T-F5 30" Half Culvert <br />5.82 <br />T-F6 36" <br />I <br />39.22 <br />Flow depth in feet does not include freeboard. <br />MR -191 App. B-2 10/16 <br />