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TABLE 12 -1A <br />SUMMARY OF WATERSHED PARAMETERS AND DESIGN CHARACTERISTICS <br />FOR ROAD DITCHES ALONG THE TIE - ACROSS HAUL ROAD <br />Watershed Parameters Hydraulic Des i n Parameters <br />Ditch No. <br />Drainage <br />Area (Ac) <br />Length (Mi) <br />Elevation <br />Difference <br />Ft <br />CN <br />Peak Discharge <br />10 -yr., 24 -hr., <br />Storm CFS <br />Average <br />Slope (Ft /Ft) <br />Flow Depth <br />(Ft) <br />Velocity <br />(FPS) <br />Type <br />Bottom Width <br />(Ft) <br />TAHRD -1 <br />0.7 <br />0.07 <br />15 <br />89 <br />1 0.5 <br />0.033 <br />0.25 <br />2.18 <br />Triangular <br />2 <br />TAHRD -2 <br />32.1 <br />0.51 <br />230 <br />80 <br />9.9 <br />0.002 <br />0.30 <br />2.88 <br />Trapezoid <br />10 <br />TAHRD -3 <br />22.4 <br />0.43 <br />170 <br />85 <br />11.2 <br />0.001 <br />0.39 <br />1.44 <br />Trapezoid <br />1 10 <br />TAHRD4 <br />3.0 <br />0.17 <br />30 <br />85 <br />1.7 <br />0.001 <br />0.13 <br />1.24 <br />Trapezoid <br />10 <br />TAHRD -5 <br />2.8 <br />0.27 <br />185 <br />85 <br />1.6 <br />0.009 <br />0.13 <br />1.17 <br />Trapezoid <br />10 <br />TAHRD -6 <br />1.4 <br />0.23 <br />60 <br />89 <br />1.1 <br />0.047 <br />0.06 <br />1.65 <br />Trapezoid <br />10 <br />TAHRD -7 <br />2.7 <br />0.46 <br />125 <br />89 <br />1.9 <br />0.047 <br />0.09 <br />2.06 <br />Trapezoid <br />10 <br />TAHRD -8 <br />9.1 <br />0.27 <br />110 <br />85 <br />5.2 <br />0.047 <br />0.16 <br />3.04 <br />Trapezoid <br />10 <br />TAHRD -9 <br />16.1 <br />0.32 <br />90 <br />85 <br />9.2 <br />0.050 <br />0.22 <br />3.83 <br />Trapezoid <br />10 <br />TAHRD-911 <br />16.1 <br />1 0.32 <br />90 <br />85 <br />9.2 <br />0.080 <br />0.12 <br />3.25 <br />Trap ri ra <br />10 <br />TAHRD -9A <br />16.1 <br />0.32 <br />90 <br />85 <br />9.2 <br />0.167 <br />0.21 <br />3.10 <br />Triangular <br />4 <br />TA 4RD -10 <br />9.7 <br />0.14 <br />80 <br />89 <br />7.3 <br />0.020 <br />0.25 <br />2.63 <br />Trapezoid <br />10 <br />TAHRD -10A <br />4.9 <br />0.14 <br />25 <br />89 <br />3.7 <br />0.015 <br />0.18 <br />1.87 <br />Trapezoid <br />10 <br />TAHRD -11 <br />7.0 <br />0.19 <br />58 <br />89 <br />5.3 <br />0.017 <br />0.22 <br />2.22 <br />Trapezoid <br />10 <br />TAHRD -12 <br />1.0 <br />0.08 <br />10 <br />89 <br />0.8 <br />0.017 <br />0.07 <br />1.06 <br />Trapezoid <br />10 <br />TAHRD-13 <br />3.9 <br />0.23 <br />60 <br />89 <br />2.2 <br />0.014 <br />0.14 <br />1.52 <br />Trapezoid <br />10 <br />TAHRD-14 <br />20.2 <br />0.46 <br />90 <br />85 <br />9.8 <br />0.014 <br />0.33 <br />2.60 <br />Trapezoid <br />10 <br />TAHRD -15 <br />16.2 <br />0.53 <br />125 <br />85 <br />7.7 <br />0.042 <br />0.31 <br />4.12 <br />Trapezoid <br />5(1 <br />TAHRD -16 <br />2.1 <br />0.17 <br />35 <br />89 <br />1.6 <br />0.042 <br />0.12 <br />2.37 <br />Trapezoid <br />5(1) <br />TAHRD -17 <br />1.6 <br />0.13 <br />30 <br />89 <br />1.2 <br />0.042 <br />0.10 <br />2.15 <br />Trapezoid <br />5 1) <br />TAHRD -18 <br />4.2 <br />0.25 <br />85 <br />85 <br />3.2 <br />0.042 <br />0.55 <br />3.16 <br />Triangular <br />2 <br />TAHRD -19 <br />164.9 <br />0.76 <br />207 <br />83 <br />60.8 <br />0.005 <br />2.50 <br />3.88 <br />Triangular <br />(2 <br />TAHRD -20 <br />14.0 <br />0.33 <br />65 <br />89 <br />9.6 <br />0.009 <br />0.37 <br />2.24 <br />Trapezoid <br />10 <br />TAHRD -21 <br />31.5 <br />0.59 <br />92 <br />89 <br />19.8 <br />0.0253 <br />0.43 <br />3.90 <br />Trapezoid <br />10 <br />TAHRD -22 <br />257.0 <br />1.215 <br />235 <br />83 <br />33.0 <br />0.020 <br />1.05 <br />5.06 <br />Trapezoid <br />2 <br />TAARD-1 <br />3.0 <br />0.15 <br />30 <br />89 <br />2.3 <br />0.040 <br />0.10 <br />2.12 <br />Trapezoid <br />10 <br />TAARD -2 <br />2.4 <br />0.14 <br />30 1 <br />89 <br />1.8 <br />0.040 <br />0.09 <br />1.94 <br />Trapezoid <br />10 <br />TASBD -1 <br />0.6 <br />0.15 <br />45 <br />89 <br />0.5 <br />0.047 <br />0.29 <br />2.73 <br />Triangular <br />(3 <br />TASBD -2 <br />1.1 <br />0.30 <br />75 1 <br />89 <br />0.8 <br />0.047 <br />0.36 <br />3.19 <br />Triangular <br />(3 <br />D -5A <br />14.3 <br />0.23 <br />120 1 <br />85 <br />8.1 <br />0.001 <br />1.32 <br />1.33 <br />Trapezoid <br />2 <br />Note: Ditches are trapezoidal with 10.0 R bottom and 3H:1V and 5H:IV side slopes (except where noted) <br />Manning's n= 0.030 <br />(1) Trapezoidal ditch with 5H:1 V and 2H:1 V side slopes <br />(2) Triangular ditch with 3H:1 V and 2H:1 V side slopes <br />(3) Safety berm ditch is V- shaped with 3H:1V and 2H:1V side slopes <br />4 Triangular riprap, ditch with 3H:1 V side slo es <br />TR -10 8 Revised 02/13 <br />