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Table 7-7-1 Summary of Ditch Requirements <br />Ditch Number Discharge Slope Minimum Minimum Other References <br /> (cfs) (%) Depth Top Width Specifications <br /> (feet) (feet) <br />lA 0.37 0.5 0.59 3.57 Triangular' C:\SEDCAD3\CR7\SED2Al0, SEDCAD+ERODIBLE <br /> CHANNEL DESIGN Ditch IA <br />IB 0.79 0.5 0.69 4.15 Triangular' C:\SEDCAD3\CR7\SED2Al0,SEDCAD+ERODIBLE <br /> CHANNEL DESIGN Ditch 1 B <br />2Na 7.35 l 0.69 12.12 Trapezoidal10 C:\SEDCAD3\CR7\PND2A9, SEDCAD+ ERODIBLE <br /> CHANNEL DESIGN Ditch 2Na <br />2 19.38 25 0.44 10.6 Trapezoidal10, C:\SEDCAD3\CR\C2 <br /> ri prap'• e <br />2Nb 1.76 25 0.36 2.17 Triangular', C:\SEDCAD3\CR7\PND2A9, SEDCAD+ RIPRAP <br /> riprap' CHANNEL DESIGN Ditch 2Nb <br />2S 16.06 I I.00 12.00 Trapezoidal' C:\SEDCAD3\CR7\PND2A9, SEDCAD+ERODIBLE <br /> CHANNEL DESIGN Ditch 2S <br />2SI 9.09 8 0.93 4.64 Triangular" C:\SEDCAD3\CR7\PND2A9,SEDCAD+NONERODIBLE <br /> CHANNEL DESIGN Ditch 2S I <br />2S2a 5.21 13 0.76 3.82 Triangular" C:\SEDCAD3\CR7\PND2A9, SEDCAD+NONERODIBLE <br /> CHANNEL DESIGN Ditch 2S2a <br />2S2b 0.61 9 U.~~ L.7S iS Irrangular' L:\JEDCAD3\l.l(7V'1VDLF19, JEDl.AD+GRGDIDLE <br /> CHANNEL DESIGN Ditch 2S2b <br />2S2c 0.54 5 0.59 2.96 Triangulaz' C:\SEDCAD3\CR7\PND2A9,SEDCAD+ERODIBLE <br /> CHANNEL DESIGN Ditch 2S2c <br />3Na 10.15 2 0.75 10.47 Trapezoidals C:\SEDCAD3\CR7\PND3A19, SEDCAD+ERODIBLE <br /> CHANNEL DESIGN Ditch 3Na <br />3Nb 15.32' 13 0.51 9.07 Trapezoidal', C:\SEDCAD3\CR7\PND3A20, SEDCAD+RIPRAP <br /> ri ra ° CHANNEL DESIGN Ditch 3Nb <br />• ~] ~ 10 December <br />