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Table 20. Ditch Data <br />10 -Year 24- <br />Ditch Number Hour Peak <br />Discharge (CFS) <br />Contributing <br />Drainage <br />Area (Acres) <br />; Disturbed (D) <br />or Undisturbed <br />(UD) <br />CN Depth <br />I (ft)** <br />Top Width <br />j (R) <br />Shape <br />Ditch <br />Slope (%) <br />Dso Rip -Rap (in) <br />40 <br />41 <br />42 <br />8.04* 0.52 D <br />12.21* 0.44 D <br />16.07* 1.34 D <br />73 1.2 <br />89 1.3 <br />89 1.107.4 <br />6.5 <br />Trap. <br />Trap. <br />Trap. <br />18.0 <br />12.0 <br />15 _ <br />15 <br />6.8 <br />2.0 <br />43 <br />44 (22 %) <br />- 2144* 0.45 I D _ <br />I 4.43* 0.25 <br />89 0.50 <br />.6 <br />L-;. <br />Trap. <br />6.2 <br />- <br />44 (4 %) <br />45 <br />D <br />5.20* 0.27 D <br />7.06* 0.65 D <br />* <br />L23.21 0.03 D <br />14.32 0.01 D <br />87 1.1 <br />- - <br />89� 0.7 <br />L89 0.76 <br />8711.20 <br />87 2.12 <br />3 <br />5.1 <br />6.8Tra <br />7.7 <br />8.49 <br />Trap. <br />P <br />Trap. <br />p . <br />rap. <br />V <br />0� <br />' 3. ? <br />5.0 <br />12 <br />24 <br />t <br />Pit Run <br />46 32% <br />( ) <br />46(5%) <br />47 <br />__48 <br />49 (2 %) <br />* <br />2.91 1.00 D <br />1.31* 0.45 D <br />53.24* 47.35 U <br />90 E 0.60 <br />90 0.54 <br />71 2.60 <br />14.25 <br />12.35 <br />10.8 <br />V <br />V <br />Trap. <br />- <br />2.0 <br />2.0� <br />2.0 <br />- <br />_ <br />Pit Run <br />49(8%) <br />65.04* 9.79 U <br />71 2.20 <br />10.2 <br />Tra_ p. <br />12 <br />8.0 <br />49(9%) <br />49 (1.6 %) <br />49 (64 %)_ <br />65.57* 0.07 U <br />I 65.53* 1.34 <br />_ U <br />65.54* <br />87 i 2.10 <br />73 2.80 <br />10.2 <br />11.7 <br />Trap. <br />Trap. <br />9.0 <br />1.6 <br />15 <br />Pit Run <br />49 30%) <br />0.02 U <br />65.59* 0.00 U <br />87 1.50 <br />87 1.63 <br />7.52 <br />7.89 <br />Trap. <br />Trap. <br />64.0 <br />30.0 <br />12" Grouted Riprap <br />49(7-/.) <br />--t <br />65.67 0.16 U <br />0.83 0.47 D <br />0.64 <br />- <br />87 2.10 <br />87 0.70 <br />8.6 -Trap. <br />2.79 <br />V. <br />12.0 <br />; 2.0 <br />12^ Grouted Riprap <br />12 <br />50 <br />51 <br />52 <br />53 <br />54 <br />0.36 D <br />1.01 0.57 D <br />15.85 0.39 D <br />16.33 0.27 D <br />13.90* 9.10 U <br />87 0.64 <br />87 0.58 <br />T 87 ! 1.435.70 <br />87 2.88 <br />74 i 1.60 ' <br />2.57 <br />2.33 <br />9.14 ; <br />9.3 <br />V. <br />; V. <br />V. <br />2.5 <br />17.0 <br />6.0 <br />3.0 <br />i <br />Pit Run <br />Pit_ Run <br />55 <br />56 -.4% <br />56 -8% <br />3.51 3.10 U <br />3.51 3.10 U <br />74 1.90 <br />74� <br />2.5 <br />Trap. <br />p <br />V� <br />9.0 <br />0.4 <br />3 <br />57 <br />.62 0.70 U <br />2.1 <br />7455 <br />2,67 <br />2.77 <br />V <br />V <br />8.0 <br />�0 <br />3 <br />58 <br />59 <br />Reserved for TR -64 Ditches <br />Reserved for 7R -64 Ditches <br />Reserved for 7R -64 Ditches <br />7.57 7.30 U <br />�74 1.81 <br />9 <br />V <br />6.0 <br />-- <br />3 <br />60 <br />61 <br />_- 62 <br />63 <br />2.28 2.20 U <br />�_ _ ,- - - <br />4.1b 3.80 D <br />0.70 D <br />0.25 0.14 D <br />0.71 0.40 D T <br />74 180 <br />1 <br />87 �2�-� .10 <br />87 .90 <br />�87 0.61 <br />2.4 <br />2.7 <br />1.2 <br />0.80 <br />V <br />V <br />��1.24 <br />V <br />V <br />13.0 <br />10.0 <br />10.0 <br />10.0 <br />3 <br />3 <br />64 <br />_ 65 <br />66 � <br />_ <br />67 <br />-. - f <br />0.75 0.64 D ! <br />87 �� 0.78 <br />87 0.79 <br />�87 �0 -.b9 <br />1.01 <br />1.02� <br />V I� <br />V <br />10.� <br />10.0 <br />- <br />68 <br />69 <br />1.37 0.20 D <br />ll.78 0.05 D <br />87 2.17 <br />2.77 <br />8.66 <br />V <br />V <br />X5.6 <br />7.0 <br />6 <br />- <br />-hour storm. <br />I <br />*100-year 24 <br />- <br />* *Depth includes <br />freeboard <br />TR -66 2.05 -11a <br />08/24/2012 <br />