26.79 m ANALISA DAN PEMBAHASAN

Periode 100 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 133.97

36.54 26.79

17.05 17.05

12.18 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 5.91 5.91 0.59 6.50 53.34 12,775.89 12,775.89 2.00 0.233 31.19 8.51 39.70 0.59 40.29 87.13 84,237.92 97,013.82 3.00 0.616 82.54 22.51 16.51 121.57 0.59 122.16 168.99 292,416.87 389,430.68 3.93 1.180 158.09 43.11 31.62 232.82 0.59 233.41 280.24 597,051.66 986,482.35

4.00 1.161

155.57 42.43 31.11 19.80 248.91 0.59 249.51 296.34 58,367.27 1,044,849.61 5.00 0.914 122.51 33.41 24.50 15.59 15.59 211.61 0.59 212.21 259.04 831,085.63 1,875,935.24 6.00 0.720 96.48 26.31 19.30 12.28 12.28 8.77 175.42 0.59 176.01 222.84 698,793.91 2,574,729.15 7.00 0.567 75.98 20.72 15.20 9.67 9.67 6.91 138.14 0.59 138.74 185.57 566,546.69 3,141,275.84 8.00 0.447 59.83 16.32 11.97 7.62 7.62 5.44 108.79 0.59 109.38 156.21 446,613.52 3,587,889.36 8.97 0.354 47.43 12.93 9.49 6.04 6.04 4.31 86.23 0.59 86.82 133.65 343,581.36 3,931,470.72 9.00 0.352 47.22 12.88 9.44 6.01 6.01 4.29 85.86 0.59 86.45 133.28 8,466.75 3,939,937.46 10.00 0.301 40.27 10.98 8.05 5.13 5.13 3.66 73.22 0.59 73.81 120.64 288,470.53 4,228,407.99 11.00 0.256 34.34 9.37 6.87 4.37 4.37 3.12 62.44 0.59 63.03 109.86 246,316.12 4,474,724.12 12.00 0.219 29.29 7.99 5.86 3.73 3.73 2.66 53.25 0.59 53.84 100.67 210,367.76 4,685,091.88 13.00 0.186 24.97 6.81 4.99 3.18 3.18 2.27 45.41 0.59 46.00 92.83 179,711.78 4,864,803.66 14.00 0.159 21.30 5.81 4.26 2.71 2.71 1.94 38.72 0.59 39.32 86.15 153,569.02 5,018,372.68 15.00 0.136 18.16 4.95 3.63 2.31 2.31 1.65 33.02 0.59 33.61 80.45 131,275.05 5,149,647.73 16.00 0.116 15.49 4.22 3.10 1.97 1.97 1.41 28.16 0.59 28.75 75.58 112,263.23 5,261,910.96 16.53 0.106 14.23 3.88 2.85 1.81 1.81 1.29 25.87 0.59 26.46 73.29 52,959.66 5,314,870.62 17.00 0.100 13.46 3.67 2.69 1.71 1.71 1.22 24.46 0.59 25.06 71.89 43,322.19 5,358,192.82 18.00 0.089 11.94 3.26 2.39 1.52 1.52 1.09 21.71 0.59 22.30 69.14 85,253.16 5,443,445.97 19.00 0.079 10.60 2.89 2.12 1.35 1.35 0.96 19.27 0.59 19.86 66.69 75,895.66 5,519,341.64 20.00 0.070 9.40 2.56 1.88 1.20 1.20 0.85 17.10 0.59 17.69 64.52 67,591.67 5,586,933.31 21.00 0.062 8.34 2.28 1.67 1.06 1.06 0.76 15.17 0.59 15.77 62.60 60,222.58 5,647,155.90 22.00 0.055 7.41 2.02 1.48 0.94 0.94 0.67 13.46 0.59 14.06 60.89 53,683.14 5,700,839.03 23.00 0.049 6.57 1.79 1.31 0.84 0.84 0.60 11.95 0.59 12.54 59.37 47,879.93 5,748,718.96 24.00 0.044 5.83 1.59 1.17 0.74 0.74 0.53 10.60 0.59 11.20 58.03 42,730.07 5,791,449.04 Universitas Sumatera Utara Tabel 4.24. Resume Grand Total Debit Sei Babura Waktu Unit Hidrograf Qt Grand Total Debit m3d Kala Ulang jam m 3 dt 2 3 5 10 25 50 100 0.00 0.000 47.42 47.42 47.42 47.42 47.42 47.42 47.42 1.00 0.044 49.91 50.34 50.82 51.43 52.20 52.77 53.34 2.00 0.233 64.10 67.02 70.26 74.35 79.50 83.33 87.13 3.00 0.616 98.48 107.43 117.36 129.86 145.65 157.36 168.99 3.93 1.180 145.21 162.35 181.36 205.30 235.54 257.97 280.24

4.00 1.161