18.17 m ANALISA DAN PEMBAHASAN

78 Periode 10 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 90.84

24.78 18.17

11.56 11.56

8.26 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 4.01 4.01 0.59 4.60 51.43 9,351.29 9,351.29 2.00 0.233 21.15 5.77 26.92 0.59 27.51 74.35 57,808.55 67,159.84 3.00 0.616 55.97 15.27 11.19 82.43 0.59 83.03 129.86 198,971.38 266,131.22 3.93 1.180 107.20 29.24 21.44 157.87 0.59 158.46 205.30 405,493.17 671,624.39

4.00 1.161

105.49 28.77 21.10 13.43 168.78 0.59 169.38 216.21 39,624.12 711,248.51 5.00 0.914 83.07 22.66 16.61 10.57 10.57 143.49 0.59 144.09 190.92 564,234.08 1,275,482.59 6.00 0.720 65.42 17.84 13.08 8.33 8.33 5.95 118.95 0.59 119.54 166.37 474,529.17 1,750,011.76 7.00 0.567 51.52 14.05 10.30 6.56 6.56 4.68 93.67 0.59 94.27 141.10 384,854.44 2,134,866.20 8.00 0.447 40.57 11.07 8.11 5.16 5.16 3.69 73.77 0.59 74.36 121.19 303,529.67 2,438,395.87 8.97 0.354 32.16 8.77 6.43 4.09 4.09 2.92 58.47 0.59 59.06 105.90 233,646.52 2,672,042.39 9.00 0.352 32.02 8.73 6.40 4.08 4.08 2.91 58.22 0.59 58.81 105.64 5,759.85 2,677,802.24 10.00 0.301 27.31 7.45 5.46 3.48 3.48 2.48 49.65 0.59 50.24 97.07 196,295.43 2,874,097.67 11.00 0.256 23.29 6.35 4.66 2.96 2.96 2.12 42.34 0.59 42.93 89.76 167,711.20 3,041,808.86 12.00 0.219 19.86 5.42 3.97 2.53 2.53 1.81 36.10 0.59 36.70 83.53 143,335.19 3,185,144.05 13.00 0.186 16.93 4.62 3.39 2.16 2.16 1.54 30.79 0.59 31.38 78.21 122,547.85 3,307,691.90 14.00 0.159 14.44 3.94 2.89 1.84 1.84 1.31 26.26 0.59 26.85 73.68 104,820.87 3,412,512.77 15.00 0.136 12.32 3.36 2.46 1.57 1.57 1.12 22.39 0.59 22.98 69.82 89,703.68 3,502,216.44 16.00 0.116 10.50 2.86 2.10 1.34 1.34 0.95 19.09 0.59 19.69 66.52 76,812.06 3,579,028.51 16.53 0.106 9.65 2.63 1.93 1.23 1.23 0.88 17.54 0.59 18.13 64.97 36,277.79 3,615,306.30 17.00 0.100 9.12 2.49 1.82 1.16 1.16 0.83 16.59 0.59 17.18 64.01 29,697.56 3,645,003.86 18.00 0.089 8.10 2.21 1.62 1.03 1.03 0.74 14.72 0.59 15.32 62.15 58,496.97 3,703,500.83 19.00 0.079 7.19 1.96 1.44 0.91 0.91 0.65 13.06 0.59 13.66 60.49 52,151.80 3,755,652.63 20.00 0.070 6.38 1.74 1.28 0.81 0.81 0.58 11.59 0.59 12.19 59.02 46,521.00 3,802,173.62 21.00 0.062 5.66 1.54 1.13 0.72 0.72 0.51 10.29 0.59 10.88 57.71 41,524.13 3,843,697.76 22.00 0.055 5.02 1.37 1.00 0.64 0.64 0.46 9.13 0.59 9.72 56.55 37,089.84 3,880,787.59 23.00 0.049 4.46 1.22 0.89 0.57 0.57 0.41 8.10 0.59 8.70 55.53 33,154.78 3,913,942.37 24.00 0.044 3.95 1.08 0.79 0.50 0.50 0.36 7.19 0.59 7.78 54.61 29,662.74 3,943,605.11 Universitas Sumatera Utara 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