21.65 m ANALISA DAN PEMBAHASAN

79 Periode 25 Tahun Waktu Unit Hidrograf Design Rainfall mmjam Limpasan Base Total Grand Total Volume Volume Qt 1 2 3 4 5 6 Langsung Flow Debit Debit m3dt Kumulatif jam m 3 dt 108.25

29.52 21.65

13.78 13.78

9.84 m

3 dt m 3 dt m 3 dt m 3 m 3 0.00 0.000 0.00 0.00 0.59 0.59 47.42 0.00 0.00 1.00 0.044 4.78 4.78 0.59 5.37 52.20 10,733.16 10,733.16 2.00 0.233 25.20 6.87 32.08 0.59 32.67 79.50 68,473.13 79,206.29 3.00 0.616 66.69 18.19 13.34 98.22 0.59 98.82 145.65 236,677.79 315,884.08 3.93 1.180 127.73 34.84 25.55 188.11 0.59 188.71 235.54 482,789.40 798,673.48

4.00 1.161

125.70 34.28 25.14 16.00 201.12 0.59 201.71 248.54 47,187.21 845,860.69 5.00 0.914 98.99 27.00 19.80 12.60 12.60 170.98 0.59 171.57 218.40 671,911.99 1,517,772.68 6.00 0.720 77.95 21.26 15.59 9.92 9.92 7.09 141.73 0.59 142.33 189.16 565,022.77 2,082,795.45 7.00 0.567 61.39 16.74 12.28 7.81 7.81 5.58 111.62 0.59 112.21 159.04 458,169.51 2,540,964.97 8.00 0.447 48.34 13.18 9.67 6.15 6.15 4.39 87.90 0.59 88.49 135.32 361,265.77 2,902,230.74 8.97 0.354 38.32 10.45 7.66 4.88 4.88 3.48 69.67 0.59 70.27 117.10 278,006.59 3,180,237.33 9.00 0.352 38.15 10.41 7.63 4.86 4.86 3.47 69.37 0.59 69.96 116.80 6,852.12 3,187,089.45 10.00 0.301 32.54 8.87 6.51 4.14 4.14 2.96 59.16 0.59 59.75 106.58 233,489.22 3,420,578.67 11.00 0.256 27.75 7.57 5.55 3.53 3.53 2.52 50.45 0.59 51.04 97.87 199,429.26 3,620,007.93 12.00 0.219 23.66 6.45 4.73 3.01 3.01 2.15 43.02 0.59 43.62 90.45 170,383.66 3,790,391.59 13.00 0.186 20.18 5.50 4.04 2.57 2.57 1.83 36.69 0.59 37.28 84.11 145,614.21 3,936,005.80 14.00 0.159 17.21 4.69 3.44 2.19 2.19 1.56 31.29 0.59 31.88 78.71 124,491.35 4,060,497.15 15.00 0.136 14.67 4.00 2.93 1.87 1.87 1.33 26.68 0.59 27.27 74.11 106,478.24 4,166,975.39 16.00 0.116 12.51 3.41 2.50 1.59 1.59 1.14 22.75 0.59 23.35 70.18 91,117.05 4,258,092.44 16.53 0.106 11.50 3.14 2.30 1.46 1.46 1.05 20.90 0.59 21.50 68.33 43,009.13 4,301,101.57 17.00 0.100 10.87 2.97 2.17 1.38 1.38 0.99 19.77 0.59 20.36 67.19 35,195.27 4,336,296.84 18.00 0.089 9.65 2.63 1.93 1.23 1.23 0.88 17.54 0.59 18.14 64.97 69,293.42 4,405,590.26 19.00 0.079 8.56 2.34 1.71 1.09 1.09 0.78 15.57 0.59 16.16 62.99 61,732.74 4,467,323.01 20.00 0.070 7.60 2.07 1.52 0.97 0.97 0.69 13.81 0.59 14.41 61.24 55,023.28 4,522,346.28 21.00 0.062 6.74 1.84 1.35 0.86 0.86 0.61 12.26 0.59 12.85 59.68 49,069.19 4,571,415.47 22.00 0.055 5.98 1.63 1.20 0.76 0.76 0.54 10.88 0.59 11.47 58.30 43,785.44 4,615,200.91 23.00 0.049 5.31 1.45 1.06 0.68 0.68 0.48 9.65 0.59 10.25 57.08 39,096.56 4,654,297.47 24.00 0.044 4.71 1.29 0.94 0.60 0.60 0.43 8.57 0.59 9.16 55.99 34,935.57 4,689,233.04 Universitas Sumatera Utara 80 Periode 50 Tahun Waktu Unit Hidrograf Design Rainfall mmjam Limpasan Base Total Grand Total Volume Volume Qt 1 2 3 4 5 6 Langsung Flow Debit Debit m3dt Kumulatif jam m 3 dt 121.16

33.04 24.23