Data Curah Hujan Belum tambah nim

CURAH HUJAN SETENGAH BULANAN CURAH HUJAN BULANAN

No. Tahun Jan Feb Mar Apr Mei Jun Jul Agust Sep Okt Nop Des Tahun Jan Feb Mar Apr Mei Jun Jul Agust Sep Okt Nop DesI II I II I II I II I II I II I II I II I II I II I II I II 1 1985 128 165 166 123 89 126 37 63 85 182 233 315

1 1985 74 54 50 115 59 107 34 89 35 54 59 67 18 19 53 10 28 57 106 76 127 106 167 148 2 1986 55 200 126 109 105 109 52 58 56 270 218 2312 1986 37 18 145 55 83 43 17 92 21 84 73 36 15 37 35 23 10 46 187 83 94 124 122 109 3 1987 234 34 90 182 125 56 32 102 201 82 109 2163 1987 194 40 23 11 18 72 94 88 102 23 36 20 19 13 27 75 67 134 29 53 60 49 79 137 4 1988 79 173 88 69 144 48 110 74 250 183 153 2604 1988 54 25 67 106 26 62 40 29 47 97 31 17 61 49 18 56 58 192 90 93 103 50 178 82 5 1989 174 91 86 174 96 30 75 81 171 99 328 1585 1989 67 107 64 27 39 47 107 67 53 43 12 18 70 5 13 68 52 119 30 69 171 157 68 90 6 1990 126 26 196 111 71 25 84 50 130 202 187 1686 1990 25 101 3 23 120 76 80 31 49 22 14 11 48 36 34 16 76 54 73 129 67 120 42 126 7 1991 168 113 174 76 169 98 31 63 28 132 130 1867 1991 82 86 10 103 67 107 71 5 138 31 76 22 19 12 33 30 18 10 66 66 50 80 91 95 8 1992 129 43 105 132 49 66 67 120 150 149 165 2488 1992 35 94 27 16 29 76 61 71 23 26 52 14 18 49 17 103 87 63 98 51 19 146 199 49 9 1993 137 96 70 104 202 77 32 158 91 124 160 2689 1993 87 50 27 69 50 20 35 69 173 29 69 8 4 28 57 101 11 80 24 100 50 110 127 141 10 1994 122 87 177 131 83 73 39 105 33 177 265 252

10 1994 38 84 53 34 86 91 46 85 62 21 13 60 13 26 56 49 15 18 76 101 114 151 144 108 11 1995 113 280 167 135 99 39 30 83 51 264 244 20011 1995 57 56 134 146 102 65 29 106 38 61 2 37 4 26 11 72 18 33 185 79 61 183 77 123 12 1996 149 199 148 135 126 55 55 174 73 286 165 13212 1996 94 55 31 168 50 98 34 101 86 40 40 15 19 36 116 58 20 53 114 172 106 59 22 110 13 1997 87 85 72 86 83 20 285 111 57 184 261 28213 1997 14 73 29 56 25 47 36 50 62 21 10 10 275 10 40 71 18 39 83 101 35 226 205 77 14 1998 143 70 268 100 105 78 37 78 128 257 258 16914 1998 83 60 49 21 24 244 33 67 70 35 45 33 20 17 4 74 62 66 97 160 87 171 75 94 15 1999 128 172 46 75 87 63 51 68 54 96 120 17615 1999 116 12 104 68 25 21 20 55 57 30 39 24 30 21 15 53 14 40 55 41 82 38 132 44 16 2000 104 186 24 59 78 50 22 46 116 143 236 18816 2000 21 83 55 131 13 11 57 2 55 23 22 28 14 8 12 34 46 70 93 50 80 156 79 109 17 2001 204 100 46 45 119 136 65 77 105 149 238 17817 2001 122 82 3 97 12 34 12 33 72 47 98 38 40 25 32 45 35 70 54 95 66 172 27 151 18 2002 230 200 154 54 146 80 41 195 172 136 251 26018 2002 147 83 133 67 134 20 49 5 83 63 70 10 20 21 116 79 50 122 38 98 62 189 80 180 19 2003 244 237 46 143 231 85 277 298 91 298 232 24119 2003 169 75 151 86 9 37 143 0 127 104 59 26 90 187 17 281 38 53 192 106 129 103 119 122 20 2004 64 97 62 68 144 17 81 25 123 276 167 16820 2004 24 40 28 69 27 35 34 34 97 47 2 15 31 50 22 3 27 96 85 191 125 42 51 117 21 2005 230 200 154 54 146 71 41 95 142 140 251 26021 2005 147 83 133 67 134 20 49 5 83 63 71 0 20 21 16 79 20 122 38 102 62 189 80 180 22 2006 294 58 87 154 95 54 73 82 60 180 236 19622 2006 191 103 25 33 25 62 81 73 9 86 28 26 53 20 21 61 25 35 54 126 69 167 55 141 23 2007 224 95 125 148 140 95 223 103 157 140 258 30923 2007 42 182 45 50 98 27 40 108 95 45 53 42 119 104 16 87 147 10 95 45 174 84 191 118

Data Curah Hujan sudah tambah nim dibagi 2

17

CURAH HUJAN SETENGAH BULANAN CURAH HUJAN BULANAN

No. Tahun Jan Feb Mar Apr Mei Jun Jul Agust Sep Okt Nop Des Tahun Jan Feb Mar Apr Mei Jun Jul Agust Sep Okt Nop DesI II I II I II I II I II I II I II I II I II I II I II I II 1 1985 44.6 99.5 100 78.5 61.5 80 35.5 48.5 59.5 108 133.5 174.5

1 1985 9.1 35.5 33.5 66 38 62 25.5 53 26 35.5 38 42 17.5 18 35 13.5 22.5 37 61.5 46.5 72 61.5 92 82.5 2 1986 22.9 117 80 71.5 69.5 71.5 43 46 45 152 126 132.52 1986 5.4 17.5 81 36 50 30 17 54.5 19 50.5 45 26.5 16 27 26 20 13.5 31.5 102 50 55.5 70.5 69.5 63 3 1987 49.6 34 62 108 79.5 45 33 68 117.5 58 71.5 1253 1987 21.1 28.5 20 14 17.5 44.5 55.5 52.5 59.5 20 26.5 18.5 18 15 22 46 42 75.5 23 35 38.5 33 48 77 4 1988 28.1 103.5 61 51.5 89 41 72 54 142 108.5 93.5 1474 1988 7.1 21 42 61.5 21.5 39.5 28.5 23 32 57 24 17 39 33 17.5 36.5 37.5 104.5 53.5 55 60 33.5 97.5 49.5 5 1989 70.4 62.5 60 104 65 32 54.5 57.5 102.5 66.5 181 965 1989 8.4 62 40.5 22 28 32 62 42 35 30 14.5 17.5 43.5 11 15 42.5 34.5 68 23.5 43 94 87 42.5 53.5 6 1990 63.2 30 115 72.5 52.5 29.5 59 42 82 118 110.5 1016 1990 4.2 59 10 20 68.5 46.5 48.5 24 33 19.5 15.5 14 32.5 26.5 25.5 16.5 46.5 35.5 45 73 42 68.5 29.5 71.5 7 1991 61.4 73.5 104 55 101.5 66 32.5 48.5 31 83 82 1107 1991 9.9 51.5 13.5 60 42 62 44 11 77.5 24 46.5 19.5 18 14.5 25 23.5 17.5 13.5 41.5 41.5 33.5 48.5 54 56 8 1992 60.7 38.5 69.5 83 41.5 50 50.5 77 92 91.5 99.5 1418 1992 5.2 55.5 22 16.5 23 46.5 39 44 20 21.5 34.5 15.5 17.5 33 17 60 52 40 57.5 34 18 81.5 108 33 9 1993 43.9 65 52 69 118 55.5 33 96 62.5 79 97 1519 1993 10.4 33.5 22 43 33.5 18.5 26 43 95 23 43 12.5 10.5 22.5 37 59 14 48.5 20.5 58.5 33.5 63.5 72 79 10 1994 56 60.5 105.5 82.5 58.5 53.5 36.5 69.5 33.5 105.5 149.5 143

10 1994 5.5 50.5 35 25.5 51.5 54 31.5 51 39.5 19 15 38.5 15 21.5 36.5 33 16 17.5 46.5 59 65.5 84 80.5 62.5 11 1995 43.9 157 100.5 84.5 66.5 36.5 32 58.5 42.5 149 139 11711 1995 7.4 36.5 75.5 81.5 59.5 41 23 61.5 27.5 39 9.5 27 10.5 21.5 14 44.5 17.5 25 101 48 39 100 47 70 12 1996 47.1 116.5 91 84.5 80 44.5 44.5 104 53.5 160 99.5 8312 1996 11.1 36 24 92.5 33.5 57.5 25.5 59 51.5 28.5 28.5 16 18 26.5 66.5 37.5 18.5 35 65.5 94.5 61.5 38 19.5 63.5 13 1997 48.1 59.5 53 60 58.5 27 159.5 72.5 45.5 109 147.5 15813 1997 3.1 45 23 36.5 21 32 26.5 33.5 39.5 19 13.5 13.5 146 13.5 28.5 44 17.5 28 50 59 26 121.5 111 47 14 1998 48.5 52 151 67 69.5 56 35.5 56 81 145.5 146 101.514 1998 10 38.5 33 19 20.5 130.5 25 42 43.5 26 31 25 18.5 17 10.5 45.5 39.5 41.5 57 88.5 52 94 46 55.5 15 1999 27.8 103 40 54.5 60.5 48.5 42.5 51 44 65 77 10515 1999 13.3 14.5 60.5 42.5 21 19 18.5 36 37 23.5 28 20.5 23.5 19 16 35 15.5 28.5 36 29 49.5 27.5 74.5 30.5 16 2000 53.8 110 29 46.5 56 42 28 40 75 88.5 135 11116 2000 3.8 50 36 74 15 14 37 9.5 36 20 19.5 22.5 15.5 12.5 14.5 25.5 31.5 43.5 55 33.5 48.5 86.5 48 63 17 2001 63.4 67 40 39.5 76.5 85 49.5 55.5 69.5 91.5 136 10617 2001 13.9 49.5 10 57 14.5 25.5 14.5 25 44.5 32 57.5 27.5 28.5 21 24.5 31 26 43.5 35.5 56 41.5 94.5 22 84 18 2002 66.4 117 94 44 90 57 37.5 114.5 103 85 142.5 14718 2002 16.4 50 75 42 75.5 18.5 33 11 50 40 43.5 13.5 18.5 19 66.5 48 33.5 69.5 27.5 57.5 39.5 103 48.5 98.5 19 2003 64.6 135.5 40 80 132.5 59.5 155.5 166 62.5 166 133 137.519 2003 18.6 46 84 51.5 13 27 80 0 72 60.5 38 21.5 53.5 102 17 149 27.5 35 104.5 61.5 73 60 68 69.5 20 2004 32.6 65.5 48 51 89 25.5 57.5 29.5 78.5 155 100.5 10120 2004 4.1 28.5 22.5 43 22 26 25.5 25.5 57 32 9.5 16 24 33.5 19.5 10 22 56.5 51 104 71 29.5 34 67 21 2005 66.4 117 94 44 90 44 37.5 64.5 88 87 142.5 14721 2005 16.4 50 75 42 75.5 18.5 33 11 50 40 44 0 18.5 19 16.5 48 18.5 69.5 27.5 59.5 39.5 103 48.5 98.5 22 2006 80.8 46 60.5 94 64.5 44 53.5 58 47 107 135 11522 2006 20.8 60 21 25 21 39.5 49 45 13 51.5 22.5 21.5 35 18.5 19 39 21 26 35.5 71.5 43 92 36 79 23 2007 105.4 64.5 79.5 91 87 64.5 128.5 68.5 95.5 87 146 171.523 2007 5.9 99.5 31 33.5 57.5 22 28.5 62.5 56 31 35 29.5 68 60.5 16.5 52 82 13.5 56 31 95.5 50.5 104 67.5

PENGURUTAN DATA CURAH HUJAN EFEKTIF ( DARI YG KECIL )

No.Urut Jan Feb Mar Apr Mei Jun Jul Agust Sep Okt Nop Des Prob1 3.1 14.5 10 14 13 14 14.5 0 13 19 9.5 0 10.5 11 10.5 10 13.5 13.5 20.5 29 18 27.5 19.5 30.5 4.172 3.8 17.5 10 16.5 14.5 18.5 17 9.5 19 19 9.5 12.5 10.5 12.5 14 13.5 14 13.5 23 31 26 29.5 22 33 8.333 4.1 21 13.5 19 15 18.5 18.5 11 20 19.5 13.5 13.5 15 13.5 14.5 16.5 15.5 17.5 23.5 33.5 33.5 33 29.5 47 12.504 4.2 28.5 20 20 17.5 18.5 23 11 26 20 14.5 13.5 15.5 14.5 15 20 16 25 27.5 34 33.5 33.5 34 49.5 16.675 5.2 28.5 21 22 20.5 19 25 11 27.5 20 15 14 16 15 16 23.5 17.5 26 27.5 35 38.5 38 36 53.5 20.836 5.4 33.5 22 25 21 22 25.5 23 32 21.5 15.5 15.5 17.5 17 16.5 25.5 17.5 28 35.5 41.5 39 48.5 42.5 55.5 25.007 5.5 35.5 22 25.5 21 25.5 25.5 24 33 23 19.5 16 17.5 18 16.5 31 17.5 28.5 35.5 43 39.5 50.5 46 56 29.178 5.9 36 22.5 33.5 21 26 25.5 25 35 23.5 22.5 16 18 18.5 17 33 18.5 31.5 36 46.5 39.5 60 47 62.5 33.339 7.1 36.5 23 36 21.5 27 26 25.5 36 24 24 17 18 19 17 35 18.5 35 41.5 48 41.5 61.5 48 63 37.50

10 7.4 38.5 24 36.5 22 30 26.5 33.5 37 26 26.5 17.5 18 19 17.5 36.5 21 35 45 50 42 63.5 48 63 41.6711 8.4 45 31 42 23 32 28.5 36 39.5 28.5 28 18.5 18.5 19 19 37.5 22 35.5 46.5 55 43 68.5 48.5 63.5 45.8312 9.1 46 33 42 28 32 28.5 42 39.5 30 28.5 19.5 18.5 21 19.5 39 22.5 37 50 56 48.5 70.5 48.5 67 50.0013 9.9 49.5 33.5 42.5 33.5 39.5 31.5 42 43.5 31 31 20.5 18.5 21.5 22 42.5 26 40 51 57.5 49.5 81.5 54 67.5 54.1714 10 50 35 43 33.5 39.5 33 43 44.5 32 34.5 21.5 23.5 21.5 24.5 44 27.5 41.5 53.5 58.5 52 84 68 69.5 58.3315 10.4 50 36 43 38 41 33 44 50 32 35 21.5 24 22.5 25 44.5 31.5 43.5 55 59 55.5 86.5 69.5 70 62.5016 11.1 50 40.5 51.5 42 44.5 37 45 50 35.5 38 22.5 28.5 26.5 25.5 45.5 33.5 43.5 56 59 60 87 72 71.5 66.6717 13.3 50.5 42 57 50 46.5 39 51 51.5 39 38 25 32.5 26.5 26 46 34.5 48.5 57 59.5 61.5 92 74.5 77 70.8318 13.9 51.5 60.5 60 51.5 46.5 44 52.5 56 40 43 26.5 35 27 28.5 48 37.5 56.5 57.5 61.5 65.5 94 80.5 79 75.0019 16.4 55.5 75 61.5 57.5 54 48.5 53 57 40 43.5 27 39 33 35 48 39.5 68 61.5 71.5 71 94.5 92 79 79.1720 16.4 59 75 66 59.5 57.5 49 54.5 59.5 50.5 44 27.5 43.5 33 36.5 52 42 69.5 65.5 73 72 100 97.5 82.5 83.3321 18.6 60 75.5 74 68.5 62 55.5 59 72 51.5 45 29.5 53.5 33.5 37 59 46.5 69.5 101 88.5 73 103 104 84 87.5022 20.8 62 81 81.5 75.5 62 62 61.5 77.5 57 46.5 38.5 68 60.5 66.5 60 52 75.5 102 94.5 94 103 108 98.5 91.6723 21.1 99.5 84 92.5 75.5 130.5 80 62.5 95 60.5 57.5 42 146 102 66.5 149 82 104.5 104.5 104 95.5 121.5 111 98.5 95.83

16.400 56.200 75.000 62.400 57.900 54.700 48.600 53.300 57.500 42.100 43.600 27.100 39.900 33.000 35.300 48.800 40.000 68.300 62.300 71.800 71.200 95.600 93.100 79.700 80Re (padi ) 0.765 2.623 3.500 2.912 2.702 2.553 2.268 2.487 2.683 1.965 2.035 1.265 1.862 1.540 1.647 2.277 1.867 3.187 2.907 3.351 3.323 4.461 4.345 3.719

9.100 46.000 33.000 42.000 28.000 32.000 28.500 42.000 39.500 30.000 28.500 19.500 18.500 21.000 19.500 39.000 22.500 37.000 50.000 56.000 48.500 70.500 48.500 67.00050Re (palawija) 0.425 2.147 1.540 1.960 1.307 1.493 1.330 1.960 1.843 1.400 1.330 0.910 0.863 0.980 0.910 1.820 1.050 1.727 2.333 2.613 2.263 3.290 2.263 3.127

PENGURUTAN DATA CURAH HUJAN EFEKTIF ( DARI YG BESAR )

No.Urut Jan Feb Mar Apr Mei Jun Jul Agust Sep Okt Nop Des Prob1 21.1 99.5 84 92.5 75.5 130.5 80 62.5 95 60.5 57.5 42 146 102 66.5 149 82 104.5 104.5 104 95.5 121.5 111 98.5 4.172 20.8 62 81 81.5 75.5 62 62 61.5 77.5 57 46.5 38.5 68 60.5 66.5 60 52 75.5 102 94.5 94 103 108 98.5 8.333 18.6 60 75.5 74 68.5 62 55.5 59 72 51.5 45 29.5 53.5 33.5 37 59 46.5 69.5 101 88.5 73 103 104 84 12.504 16.4 59 75 66 59.5 57.5 49 54.5 59.5 50.5 44 27.5 43.5 33 36.5 52 42 69.5 65.5 73 72 100 97.5 82.5 16.675 16.4 55.5 75 61.5 57.5 54 48.5 53 57 40 43.5 27 39 33 35 48 39.5 68 61.5 71.5 71 94.5 92 79 20.836 13.9 51.5 60.5 60 51.5 46.5 44 52.5 56 40 43 26.5 35 27 28.5 48 37.5 56.5 57.5 61.5 65.5 94 80.5 79 25.007 13.3 50.5 42 57 50 46.5 39 51 51.5 39 38 25 32.5 26.5 26 46 34.5 48.5 57 59.5 61.5 92 74.5 77 29.178 11.1 50 40.5 51.5 42 44.5 37 45 50 35.5 38 22.5 28.5 26.5 25.5 45.5 33.5 43.5 56 59 60 87 72 71.5 33.339 10.4 50 36 43 38 41 33 44 50 32 35 21.5 24 22.5 25 44.5 31.5 43.5 55 59 55.5 86.5 69.5 70 37.50

10 10 50 35 43 33.5 39.5 33 43 44.5 32 34.5 21.5 23.5 21.5 24.5 44 27.5 41.5 53.5 58.5 52 84 68 69.5 41.6711 9.9 49.5 33.5 42.5 33.5 39.5 31.5 42 43.5 31 31 20.5 18.5 21.5 22 42.5 26 40 51 57.5 49.5 81.5 54 67.5 45.8312 9.1 46 33 42 28 32 28.5 42 39.5 30 28.5 19.5 18.5 21 19.5 39 22.5 37 50 56 48.5 70.5 48.5 67 50.0013 8.4 45 31 42 23 32 28.5 36 39.5 28.5 28 18.5 18.5 19 19 37.5 22 35.5 46.5 55 43 68.5 48.5 63.5 54.1714 7.4 38.5 24 36.5 22 30 26.5 33.5 37 26 26.5 17.5 18 19 17.5 36.5 21 35 45 50 42 63.5 48 63 58.3315 7.1 36.5 23 36 21.5 27 26 25.5 36 24 24 17 18 19 17 35 18.5 35 41.5 48 41.5 61.5 48 63 62.5016 5.9 36 22.5 33.5 21 26 25.5 25 35 23.5 22.5 16 18 18.5 17 33 18.5 31.5 36 46.5 39.5 60 47 62.5 66.6717 5.5 35.5 22 25.5 21 25.5 25.5 24 33 23 19.5 16 17.5 18 16.5 31 17.5 28.5 35.5 43 39.5 50.5 46 56 70.8318 5.4 33.5 22 25 21 22 25.5 23 32 21.5 15.5 15.5 17.5 17 16.5 25.5 17.5 28 35.5 41.5 39 48.5 42.5 55.5 75.0019 5.2 28.5 21 22 20.5 19 25 11 27.5 20 15 14 16 15 16 23.5 17.5 26 27.5 35 38.5 38 36 53.5 79.1720 4.2 28.5 20 20 17.5 18.5 23 11 26 20 14.5 13.5 15.5 14.5 15 20 16 25 27.5 34 33.5 33.5 34 49.5 83.3321 4.1 21 13.5 19 15 18.5 18.5 11 20 19.5 13.5 13.5 15 13.5 14.5 16.5 15.5 17.5 23.5 33.5 33.5 33 29.5 47 87.5022 3.8 17.5 10 16.5 14.5 18.5 17 9.5 19 19 9.5 12.5 10.5 12.5 14 13.5 14 13.5 23 31 26 29.5 22 33 91.6723 3.1 14.5 10 14 13 14 14.5 0 13 19 9.5 0 10.5 11 10.5 10 13.5 13.5 20.5 29 18 27.5 19.5 30.5 95.83

5.000 28.500 20.800 21.600 19.900 18.900 24.600 11.000 27.200 20.000 14.900 13.900 15.900 14.900 15.800 22.800 17.200 25.800 27.500 34.800 37.500 37.100 35.600 52.700 80Re (padi ) 0.233 1.330 0.971 1.008 0.929 0.882 1.148 0.513 1.269 0.933 0.695 0.649 0.742 0.695 0.737 1.064 0.803 1.204 1.283 1.624 1.750 1.731 1.661 2.459

9.100 46.000 33.000 42.000 28.000 32.000 28.500 42.000 39.500 30.000 28.500 19.500 18.500 21.000 19.500 39.000 22.500 37.000 50.000 56.000 48.500 70.500 48.500 67.00050Re (palawija ) 0.425 2.147 1.540 1.960 1.307 1.493 1.330 1.960 1.843 1.400 1.330 0.910 0.863 0.980 0.910 1.820 1.050 1.727 2.333 2.613 2.263 3.290 2.263 3.127

R80%

R50%

R80%

R50%

Tahun Jan Feb Mar Apr Mei Jun Jul Agt Sep Okt Nov Des1985 37 43 51 49 35 53 87 19 48 45 95 112 191986 19 40 44 38 27 34 16 19 17 41 74 53 161987 46 35 69 32 125 18 13 56 48 56 40 122 131988 13 52 37 18 30 15 20 31 141 39 67 35 131989 69 14 25 47 63 8 43 28 44 22 86 20 81990 57 19 88 40 30 9 23 15 9 39 81 114 91991 50 60 54 16 110 34 6 16 8 34 25 141 61992 34 17 38 44 11 41 10 19 40 43 35 116 101993 56 10 13 35 106 28 21 10 44 8 52 60 81994 41 26 55 49 40 57 15 41 17 43 96 54 151995 22 109 67 21 58 32 8 22 12 73 65 113 81996 34 73 25 54 58 13 22 94 26 137 53 122 131997 45 115 24 26 26 67 102 19 24 59 56 125 191998 47 19 117 34 43 28 45 58 35 42 107 61 191999 68 103 21 20 32 17 14 102 20 29 51 78 142000 39 51 8 35 34 28 4 153 30 25 46 135 42001 80 33 26 13 31 52 23 15 38 24 185 100 132002 68 65 113 32 41 54 21 54 55 38 77 80 212003 49 55 11 80 95 155 54 124 45 126 42 75 112004 30 30 21 20 33 45 20 6 40 80 27 113 62005 85 65 113 32 41 54 21 34 25 38 77 80 212006 68 2 26 40 34 20 14 27 17 76 126 124 22007 30 18 29 42 30 12 39 29 75 13 37 68 12

Data Curah Hujan Harian Maksimum Tabel distribusi curah hujan rencana metode log normal (Analisis curah hujan)

Tahun Jan Feb Mar Apr Mei Jun Jul Agt Sep Okt Nov Des No. si p (mm) y=ln Q (y-ybar) (y-Y)2 (y-y)31985 5.4 6.0 6.8 6.6 5.2 7.0 10.4 3.6 6.5 6.2 11.2 12.9 3.6 1 1985 4 1.281 0.226 0.051 0.0111986 3.6 5.7 6.1 5.5 4.4 5.1 3.3 3.6 3.4 5.8 9.1 7.0 3.3 2 1986 3 1.194 0.139 0.019 0.0031987 6.3 5.2 8.6 4.9 14.2 3.5 3.0 7.3 6.5 7.3 5.7 13.9 3.0 3 1987 3 1.099 0.043 0.002 0.0001988 3.0 6.9 5.4 3.5 4.7 3.2 3.7 4.8 15.8 5.6 8.4 5.2 3.0 4 1988 3 1.099 0.043 0.002 0.0001989 8.6 3.1 4.2 6.4 8.0 2.5 6.0 4.5 6.1 3.9 10.3 3.7 2.5 5 1989 3 0.916 -0.139 0.019 -0.0031990 7.4 3.6 10.5 5.7 4.7 2.6 4.0 3.2 2.6 5.6 9.8 13.1 2.6 6 1990 3 0.956 -0.100 0.010 -0.0011991 6.7 7.7 7.1 3.3 12.7 5.1 2.3 3.3 2.5 5.1 4.2 15.8 2.3 7 1991 2 0.833 -0.222 0.049 -0.0111992 5.1 3.4 5.5 6.1 2.8 5.8 2.7 3.6 5.7 6.0 5.2 13.3 2.8 8 1992 3 1.030 -0.026 0.001 0.0001993 7.3 2.7 3.0 5.2 12.3 4.5 3.8 2.7 6.1 2.5 6.9 7.7 2.5 9 1993 3 0.916 -0.139 0.019 -0.0031994 5.8 4.3 7.2 6.6 5.7 7.4 3.2 5.8 3.4 6.0 11.3 7.1 3.2 10 1994 3 1.163 0.108 0.012 0.0011995 3.9 12.6 8.4 3.8 7.5 4.9 2.5 3.9 2.9 9.0 8.2 13.0 2.5 11 1995 3 0.916 -0.139 0.019 -0.0031996 5.1 9.0 4.2 7.1 7.5 3.0 3.9 11.1 4.3 15.4 7.0 13.9 3.0 12 1996 3 1.099 0.043 0.002 0.0001997 6.2 13.2 4.1 4.3 4.3 8.4 11.9 3.6 4.1 7.6 7.3 14.2 3.6 13 1997 4 1.281 0.226 0.051 0.0111998 6.4 3.6 13.4 5.1 6.0 4.5 6.2 7.5 5.2 5.9 12.4 7.8 3.6 14 1998 4 1.281 0.226 0.051 0.0111999 8.5 12.0 3.8 3.7 4.9 3.4 3.1 11.9 3.7 4.6 6.8 9.5 3.1 15 1999 3 1.131 0.076 0.006 0.0002000 5.6 6.8 2.5 5.2 5.1 4.5 2.1 17.0 4.7 4.2 6.3 15.2 2.1 16 2000 2 0.742 -0.313 0.098 -0.0312001 9.7 5.0 4.3 3.0 4.8 6.9 4.0 3.2 5.5 4.1 20.2 11.7 3.0 17 2001 3 1.099 0.043 0.002 0.0002002 8.5 8.2 13.0 4.9 5.8 7.1 3.8 7.1 7.2 5.5 9.4 9.7 3.8 18 2002 4 1.335 0.280 0.078 0.0222003 6.6 7.2 2.8 9.7 11.2 17.2 7.1 14.1 6.2 14.3 5.9 9.2 2.8 19 2003 3 1.030 -0.026 0.001 0.0002004 4.7 4.7 3.8 3.7 5.0 6.2 3.7 2.3 5.7 9.7 4.4 13.0 2.3 20 2004 2 0.833 -0.222 0.049 -0.0112005 10.2 8.2 13.0 4.9 5.8 7.1 3.8 5.1 4.2 5.5 9.4 9.7 3.8 21 2005 4 1.335 0.280 0.078 0.0222006 8.5 1.9 4.3 5.7 5.1 3.7 3.1 4.4 3.4 9.3 14.3 14.1 1.9 22 2006 2 0.642 -0.414 0.171 -0.0712007 4.7 3.5 4.6 5.9 4.7 2.9 5.6 4.6 9.2 3.0 5.4 8.5 2.9 23 2007 3 1.065 0.009 0.000 0.000

jumlah 24.274 0.000 0.791 -0.050

rata-rata (y bar) = 1.055deviasi standar = 0.190 0.190koefisien variansi = 0.180kemencengan = -0.0025 -0.363849

Periode ulang ( tahun) K y p50 1.841 1.404 4.083

100 2.038 1.442 4.243

Tabel distribusi curah hujan rencana metode log normal RUMUS

No Tahun Keterangan

1 1985 3.600

2.922

0.460

0.538

0.312 0.212 =

2 1986 3.300 0.143 0.054 0.020 = 0.003

3 1987 3.000 0.006 0.000 0.000

4 1988 3.000 0.006 0.000 0.000 = ( Sd /Rr0.1845 1989 2.500 0.178 -0.075 0.032

6 1990 2.600 0.104 -0.033 0.011 =

7 1991 2.300 0.387 -0.240 0.149 = 2.266

8 1992 2.800 0.015 -0.002 0.000

9 1993 2.500 0.178 -0.075 0.032 = 0.558

10 1994 3.200 0.077 0.022 0.006 3.55911 1995 2.500 0.178 -0.075 0.03212 1996 3.000 0.006 0.000 0.000 Sebaran normal:13 1997 3.600 0.460 0.312 0.21214 1998 3.600 0.460 0.312 0.212

15 1999 3.100 0.032 0.006 0.001

16 2000 2.100 0.675 -0.555 0.456 Sebaran log normal:17 2001 3.000 0.006 0.000 0.000

18 2002 3.800 0.771 0.677 0.595

19 2003 2.800 0.015 -0.002 0.000

20 2004 2.300 0.387 -0.240 0.149 Sebaran Gumbel:21 2005 3.800 0.771 0.677 0.595

22 2006 1.900 1.044 -1.067 1.090

23 2007 2.900 0.000 0.000 0.000

jumlah 6.359 0.010 3.803

NoTr Rrata-rata Sd RT

(tahun) (mm) (mm) (mm)1 2 #REF! 0.538 0.367 0.528 1.081 -0.150 #REF!2 5 #REF! 0.538 1.500 0.899 #REF!3 10 #REF! 0.538 2.250 1.593 #REF!4 20 #REF! 0.538 2.970 2.259 #REF!5 25 #REF! 0.538 3.199 2.470 #REF!6 50 #REF! 0.538 3.902 3.121 #REF!

7 100 #REF! 0.538 4.600 3.766 #REF!Ket :

RT = Rrerata + K.Sd K = (Yt-Yn)/Sn

Yt = -ln[-ln{(Tr-1)/Tr}] Tr = Periode tahun berulang

Tahun Jan Feb Mar Apr Mei Jun Jul Agt Sep Okt Nov Des

1985 5.4 6.0 6.8 6.6 5.2 7.0 10.4 3.6 6.5 6.2 11.2 12.9 3.6 0.556

0.458

0.098 0.00960 0.0009400

0.082 -0.364

1986 3.6 5.7 6.1 5.5 4.4 5.1 3.3 3.6 3.4 5.8 9.1 7.0 3.3 0.519 0.060 0.00362 0.00021781987 6.3 5.2 8.6 4.9 14.2 3.5 3.0 7.3 6.5 7.3 5.7 13.9 3.0 0.477 0.019 0.00035 0.00000661988 3.0 6.9 5.4 3.5 4.7 3.2 3.7 4.8 15.8 5.6 8.4 5.2 3.0 0.477 0.019 0.00035 0.00000661989 8.6 3.1 4.2 6.4 8.0 2.5 6.0 4.5 6.1 3.9 10.3 3.7 2.5 0.398 -0.060 0.00365 -0.00022041990 7.4 3.6 10.5 5.7 4.7 2.6 4.0 3.2 2.6 5.6 9.8 13.1 2.6 0.415 -0.043 0.00188 -0.00008161991 6.7 7.7 7.1 3.3 12.7 5.1 2.3 3.3 2.5 5.1 4.2 15.8 2.3 0.362 -0.097 0.00933 -0.00090191992 5.1 3.4 5.5 6.1 2.8 5.8 2.7 3.6 5.7 6.0 5.2 13.3 2.8 0.447 -0.011 0.00013 -0.00000141993 7.3 2.7 3.0 5.2 12.3 4.5 3.8 2.7 6.1 2.5 6.9 7.7 2.5 0.398 -0.060 0.00365 -0.00022041994 5.8 4.3 7.2 6.6 5.7 7.4 3.2 5.8 3.4 6.0 11.3 7.1 3.2 0.505 0.047 0.00219 0.00010251995 3.9 12.6 8.4 3.8 7.5 4.9 2.5 3.9 2.9 9.0 8.2 13.0 2.5 0.398 -0.060 0.00365 -0.00022041996 5.1 9.0 4.2 7.1 7.5 3.0 3.9 11.1 4.3 15.4 7.0 13.9 3.0 0.477 0.019 0.00035 0.00000661997 6.2 13.2 4.1 4.3 4.3 8.4 11.9 3.6 4.1 7.6 7.3 14.2 3.6 0.556 0.098 0.00960 0.00094001998 6.4 3.6 13.4 5.1 6.0 4.5 6.2 7.5 5.2 5.9 12.4 7.8 3.6 0.556 0.098 0.00960 0.00094001999 8.5 12.0 3.8 3.7 4.9 3.4 3.1 11.9 3.7 4.6 6.8 9.5 3.1 0.491 0.033 0.00109 0.00003602000 5.6 6.8 2.5 5.2 5.1 4.5 2.1 17.0 4.7 4.2 6.3 15.2 2.1 0.322 -0.136 0.01853 -0.00252242001 9.7 5.0 4.3 3.0 4.8 6.9 4.0 3.2 5.5 4.1 20.2 11.7 3.0 0.477 0.019 0.00035 0.00000662002 8.5 8.2 13.0 4.9 5.8 7.1 3.8 7.1 7.2 5.5 9.4 9.7 3.8 0.580 0.121 0.01475 0.00179092003 6.6 7.2 2.8 9.7 11.2 17.2 7.1 14.1 6.2 14.3 5.9 9.2 2.8 0.447 -0.011 0.00013 -0.00000142004 4.7 4.7 3.8 3.7 5.0 6.2 3.7 2.3 5.7 9.7 4.4 13.0 2.3 0.362 -0.097 0.00933 -0.00090192005 10.2 8.2 13.0 4.9 5.8 7.1 3.8 5.1 4.2 5.5 9.4 9.7 3.8 0.580 0.121 0.01475 0.00179092006 8.5 1.9 4.3 5.7 5.1 3.7 3.1 4.4 3.4 9.3 14.3 14.1 1.9 0.279 -0.180 0.03225 -0.00579232007 4.7 3.5 4.6 5.9 4.7 2.9 5.6 4.6 9.2 3.0 5.4 8.5 2.9 0.462 0.004 0.00002 0.0000001

PERHITUNGAN CURAH HUJAN RANCANGAN BERDASARKAN METODE LOG PEARSON III

TG G.s Log RT

RT

(tahun) (%) (mm)(1) (2) (3) (4) (5) (6)2 50 0.06022 0.00496 0.46330 2.9065 20 0.85428 0.07034 0.52868 3.378

10 10 1.23606 0.10177 0.56012 3.63250 2 1.85424 0.15267 0.61101 4.083

100 1 2.05611 0.16929 0.62764 4.243

Nilai G2 5 10 25 50 100 200

-0.3 0.05 0.853 1.245 1.643 1.89 2.104 2.294-0.4 0.066 0.855 1.231 1.606 1.834 2.029 2.201

-0.36385 0.0602158 0.854277 1.236061 1.61938 1.8542 2.05611 2.234621

Ri ( R24 Maks ) R rerata (Ri- Rrata)2 Sd (Ri- Rrata)3 (Ri- Rrata)4

Cs

Cs

Cv

Ck

Ck

(3Cv + Cv3)

(Cv8+6Cv

6+15Cv4+16Cv

2+3) =

Cs ≠ 0Ck ≠ 3

Cs ≠3Cv + Cv3

Ck ≠Cv8+6Cv6+15Cv4+16Cv2+3

Cs ≠ 1.14Ck ≠ 5.4

Curah Hujan Rencana metode Gumble (TIDAK DI PAKAI)

Yt (Reduced Variate)

Yn (Reduced

Mean)

Sn (Reduced standar)

K (Faktor Frekuensi)

R24 Log R24 SD Cs

PT

3

13)2)(1(

n

i

xxisnn

n

4

14

2

)2)(1(

n

i

xxisnn

n

24RLog 2424 RLogRLog 2

2424 LogRRLog 32424 RLogRLog

Bulan

satuan (C) (C) (%) (km/hari) (%) 0.17Januari 25.97 25.80 80.20 10.00 48.00Februari 26.17 26.00 79.30 9.40 53.50Maret 26.37 26.20 80.50 9.20 49.50April 26.17 26.00 80.30 8.20 54.70Mei 26.87 26.70 78.80 8.50 53.50Juni 27.27 27.10 73.10 8.70 55.00Juli 26.87 26.70 72.10 9.00 50.40Agustus 27.07 26.90 71.80 8.90 45.50September 26.67 26.50 76.50 7.80 39.80Oktober 26.27 26.10 79.80 7.80 38.80November 25.97 25.80 80.00 8.40 43.10Desember 25.67 25.50 82.50 9.50 43.80

Perencanaan Irigasi dan Bangunan Air

Lokasi = 05˚ 31' 07" LU - 95˚ 25' 45" BTKetinggian ( h ) = 22 m di atas permukaan laut

Parameter Satuan Jan Feb Mar Apr Mei Jun Jul Agust Sep Oct NovT ºC 25.970 26.170 26.370 26.170 26.870 27.270 26.870 27.070 26.670 26.270 25.970U km/hari 10.000 9.400 9.200 8.200 8.500 8.700 9.000 8.900 7.800 7.800 8.400n/N % 48.000 53.500 49.500 54.700 53.500 55.000 50.400 45.500 39.800 38.800 43.100W 0.750 0.752 0.754 0.752 0.759 0.763 0.759 0.761 0.757 0.753 0.7701-W 0.250 0.248 0.246 0.248 0.241 0.237 0.241 0.239 0.243 0.247 0.230ea mbar 33.543 33.957 34.377 33.957 35.427 38.421 35.427 35.847 35.007 34.167 35.637RH % 80.200 79.300 80.500 80.300 78.800 73.100 72.100 71.800 76.500 79.800 80.000ed mbar 26.901 26.928 27.673 27.267 27.916 28.086 25.543 25.738 26.780 27.265 28.510ea-ed mbar 6.642 7.029 6.704 6.690 7.511 10.335 9.884 10.109 8.227 6.902 7.127

Rekap Data Temperatur Udara, kelembapan, kec.angin dan penyinaran matahari

Temperatur (T)

Temperatur

Kelembaban (RH)

Kecepatan Angin (U)

Penyinaran Matahari (n)

f(u) 0.297 0.295 0.295 0.292 0.293 0.293 0.294 0.294 0.291 0.291 0.293α 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.2501-α 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750 0.750Ra mm/hari 14.100 14.900 15.450 15.450 15.000 14.550 14.750 15.150 15.300 15.050 14.350f(t) 15.893 15.934 15.974 15.943 16.074 16.154 16.074 16.114 16.034 15.968 15.894f(ed) 0.112 0.112 0.109 0.110 0.108 0.107 0.118 0.117 0.112 0.110 0.105f(n/N) 0.532 0.582 0.546 0.592 0.582 0.595 0.554 0.510 0.458 0.449 0.488Rn1 mm/hari 0.945 1.035 0.946 1.041 1.005 1.027 1.047 0.959 0.825 0.791 0.815Rs mm/hari 6.909 7.711 7.686 8.088 7.763 7.639 7.405 7.234 6.870 6.682 6.680Rn mm/hari 4.237 4.748 4.819 5.025 4.817 4.702 4.507 4.467 4.327 4.221 4.195c 1.036 1.055 1.080 1.086 1.090 1.068 1.064 1.065 1.074 1.082 1.081

mm/hari 3.803 4.311 4.450 4.631 4.563 4.600 4.386 4.377 4.143 3.976 4.010

mm/bulan 117.895 120.701 137.943 138.920 141.466 137.997 135.955 135.687 124.299 123.260 120.307

W ea

jan Temp. 24 26 t = 25.97 jan Temp. 25 26W ( pd h ) h = 22.00

0 0.73 0.75 w1 0.750 31.7 33.6500 0.74 0.76 w2 0.760

w3 0.750feb Temp. 26 27

feb Temp. 26 28 t = 26.17

ET0

ET0

W ( pd h ) h = 22.00 33.6 35.70 0.75 0.77 w1 0.752

500 0.76 0.78 w2 0.762w3 0.752 mar Temp. 26 27

mar Temp. 26 28 t = 26.37 33.6 35.7W ( pd h ) h = 22.00

0 0.75 0.77 w1 0.754500 0.76 0.78 w2 0.764 april Temp. 26 27

w3 0.75433.6 35.7

apr Temp. 26 28 t = 26.17W ( pd h ) h = 22.00

0 0.75 0.77 w1 0.752 mei Temp. 26 27500 0.76 0.78 w2 0.762

w3 0.752 33.6 35.7

may Temp. 26 28 t = 26.87W ( pd h ) h = 22.00 juni Temp. 27 28

0 0.75 0.77 w1 0.759500 0.76 0.78 w2 0.769 37.8 40.1

w3 0.759

jun Temp. 26 28 t = 27.27 juli Temp. 26 27W ( pd h ) h = 22.00

0 0.75 0.77 w1 0.763 33.6 35.7500 0.76 0.78 w2 0.773

w3 0.763agst Temp. 27 28

jul Temp. 26 28 t = 26.87 35.7 37.8W ( pd h ) h = 22.00

0 0.75 0.77 w1 0.759500 0.76 0.78 w2 0.769 sep Temp. 26 27

w3 0.75933.6 35.7

augt Temp. 26 28 t = 27.07W ( pd h ) h = 22.00 oct Temp. 26 27

0 0.75 0.77 w1 0.761500 0.76 0.78 w2 0.771 33.6 35.7

w3 0.761

nov Temp. 25 26sep Temp. 26 28 t = 26.67

W ( pd h ) h = 22.00 33.6 35.70 0.75 0.77 w1 0.757

500 0.76 0.78 w2 0.767w3 0.757 des Temp. 25 26

31.7 33.6oct Temp. 26 28 t = 26.27

W ( pd h ) h = 22.000 0.75 0.77 w1 0.753

500 0.76 0.78 w2 0.763w3 0.753

nov Temp. 25 26 t = 25.97W ( pd h ) h = 22.00

0 0.75 0.77 w1 0.769500 0.76 0.78 w2 0.779

w3 0.770

dec Temp. 25 26 t = 25.67W ( pd h ) h = 22.00

0 0.73 0.75 w1 0.743500 0.74 0.76 w2 0.753

w3 0.744

Perencanaan Irigasi dan Bangunan Air

Dec25.670 TABEL TEKANAN UAP

9.500 Temp 0 1 2 3 4 5 6 7 8 943.800 ea(mbar) 6.10 6.60 7.10 7.60 8.10 8.70 9.80 10.00 10.70 11.50

0.7440.256

32.973 TABEL FAKTOR KOREKSI UNTUK u82.500 Ketinggian Tempat Pengukuran (m) 0.5 1 1.5 2 327.203 Faktor koreksi 1.35 1.15 1.06 1.00 0.93

5.770

0.2960.250 Tabel Nilai Faktor Pembobot0.750 Tempt 2 4 6 8 10 12 14 16 18 20

13.900 Ketinggian15.818 0 0.43 0.46 0.49 0.52 0.55 0.58 0.61 0.64 0.66 0.69

0.111 500 0.44 0.48 0.51 0.54 0.57 0.60 0.62 0.65 0.67 0.700.494 1000 0.46 0.49 0.52 0.55 0.58 0.61 0.64 0.66 0.69 0.710.864 2000 0.49 0.52 0.55 0.58 0.61 0.64 0.66 0.69 0.71 0.736.5194.0251.060 Tabel Pengaruh Temp f(T) thp Rn1

3.637 max 4.631 Temp 0 2 4 6 8 10 12 14 16 18

112.752 max 141.466 F(T) 11.00 11.40 11.70 12.00 12.40 12.70 13.10 13.50 13.80 14.20

Tabel Pengaruh Tek. Uap f(ed) thp Rn1ed(mbar) 6 8 10 12 14 16 18 20 22 24f(ed) 0.23 0.22 0.20 0.19 0.18 0.16 0.15 0.14 0.13 0.12

Tabel pengaruh penyinaran matahari f(n/N) thp Rn1n/N 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45f(n/N) 0.10 0.15 0.19 0.24 0.28 0.33 0.37 0.42 0.46 0.51

ea f(t) f(ed)

t = 25.97 jan Temp. 24 26 t = 25.97 jan ed 26 28

ea 33.543 15.4 15.9 f(t) 15.893 0.12 0.11

feb Temp. 26 28 t = 26.17 feb ed 26 28t = 26.17

15.9 16.3 f(t) 15.934 0.12 0.11

ea 33.957mar Temp. 28 30 t = 26.37 mar ed 26 28

t = 26.37 16.3 16.7 f(t) 15.974 0.12 0.11

ea 34.377 apr Temp. 24 26 t = 26.17 apr ed 26 28

15.4 15.9 f(t) 15.943 0.12 0.11t = 26.17

mei Temp. 28 30 t = 26.87 mei ed 26 28ea 33.957

16.3 16.7 f(t) 16.074 0.12 0.11

t = 26.87 juni Temp. 28 30 t = 27.27 juni ed 28 30

ea 35.427 16.3 16.7 f(t) 16.154 0.11 0.1

juli Temp. 26 28 t = 26.87 juli ed 24 26t = 27.27

15.9 16.3 f(t) 16.074 0.12 0.12ea 38.421

agst Temp. 26 28 t = 27.07 agst ed 24 26

t = 26.87 15.9 16.3 f(t) 16.114 0.12 0.12

ea 35.427 sep Temp. 26 28 t = 26.67 sep ed 26 28

15.9 16.3 f(t) 16.034 0.12 0.11t = 27.07

oct Temp. 24 26 t = 26.27 oct ed 26 28ea 35.847

15.4 15.9 f(t) 15.968 0.12 0.11

t = 26.67 nov Temp. 26 28 t = 25.97 nov ed 28 30

ea 35.007 15.9 16.3 f(t) 15.894 0.11 0.1

des Temp. 24 26 t = 25.67 des ed 26 28t = 26.27

15.4 15.9 f(t) 15.818 0.12 0.11ea 34.167

t = 25.97

ea 35.637

t = 25.67

ea 32.973

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2512.30 13.10 14.00 15.00 16.10 17.00 18.20 19.40 20.60 22.00 23.40 24.90 26.40 28.10 29.80 31.70

4 5 60.88 0.85 0.80

22 24 26 28 30 32 34 36 38 40

0.71 0.73 0.74 0.77 0.78 0.80 0.82 0.83 0.84 0.850.72 0.74 0.75 0.78 0.79 0.81 0.82 0.84 0.85 0.860.73 0.75 0.76 0.79 0.80 0.82 0.83 0.85 0.86 0.870.75 0.77 0.79 0.81 0.82 0.84 0.85 0.86 0.87 0.88

20 22 24 26 28 30 32 34 36

14.60 15.00 15.40 15.90 16.30 16.70 17.20 17.70 18.10

26 28 30 32 34 36 38 400.12 0.11 0.10 0.09 0.08 0.08 0.07 0.06

0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.000.55 0.60 0.64 0.69 0.73 0.78 0.82 0.87 0.91 0.96 1.00

f(ed) f(n/N) Ra

ed = 26.90 jan n/N 0.45 0.50 n/N = 0.48 jan Lokasi 4 6

f(ed) 0.115 0.51 0.55 f(n/N) 0.534 14.3 13.9

ed = 26.93 feb n/N 0.50 0.55 n/N = 0.54 feb Lokasi 4 6

f(ed) 0.115 0.55 0.60 f(n/N) 0.585 15 14.8

ed = 27.67 mar n/N 0.45 0.50 n/N = 0.50 mar Lokasi 4 6

f(ed) 0.112 0.51 0.55 f(n/N) 0.550 15.5 15.4

ed = 27.27 apr n/N 0.55 0.60 n/N = 0.55 apr Lokasi 4 6

f(ed) 0.114 0.60 0.64 f(n/N) 0.600 15.5 15.4

ed = 27.92 mei n/N 0.50 0.55 n/N = 0.54 mei Lokasi 4 6

f(ed) 0.110 0.55 0.60 f(n/N) 0.585 14.9 15.1

ed = 28.09 juni n/N 0 0.55 n/N = 0.55 juni Lokasi 4 6

f(ed) 0.110 0 0.60 f(n/N) 0.600 14.4 14.7

ed = 25.54 juli n/N 0 0.50 n/N = 0.50 juli Lokasi 4 6

f(ed) 0.120 0 0.55 f(n/N) 0.550 14.6 14.9

ed = 25.74 agst n/N 0.45 0.50 n/N = 0.46 agt Lokasi 4 6

f(ed) 0.120 0.51 0.55 f(n/N) 0.514 15.1 15.2

ed = 26.78 sep n/N 0 0.40 n/N = 0.40 sep Lokasi 4 6

f(ed) 0.116 0 0.46 f(n/N) 0.460 15.3 15.3

ed = 27.27 oct n/N 0.35 0.40 n/N = 0.39 oct Lokasi 4 6

f(ed) 0.114 0.42 0.46 f(n/N) 0.450 15.1 15

ed = 28.51 nov n/N 0.40 0.45 n/N = 0.43 nov Lokasi 4 6

f(ed) 0.107 0.46 0.51 f(n/N) 0.491 14.5 14.2

ed = 27.20 des n/N 0.40 0.45 n/N = 0.44 des Lokasi 4 6

f(ed) 0.114 0.46 0.51 f(n/N) 0.498 14.1 13.7

26 27 28 29 30 31 32 33 34 35 36 37 38 3933.60 35.70 37.80 40.10 42.40 44.60 47.60 50.30 53.20 56.20 59.40 62.80 66.30 69.90

Rumus :

lokasi = 5 1 Jan

Ra= 14.100 2 0

3

lokasi = 5 3

Ra= 14.900 4

edeaufWRnWcETo **1**

RaNnRs */*50,025,0

RsRns *)1(

)/(*)(*)(1 NnfedftfRn

edeaufWRnWcETo **1**

RaNnRs */*50,025,0

RsRns *)1(

)/(*)(*)(1 NnfedftfRn

lokasi = 5 5

Ra= 15.450 6

lokasi = 5Keterangan :

Ra= 15.450Eto : Evapotranspirasi tanaman ( mm/hari )

lokasi = 5 c : Faktor yang menunjukkan pengaruh perbedaan kecepatan angin pada siang dan malam hari ( mm/hari )

Ra= 15.000 W : Faktor bobotRn : Energi radiasi bersih yang menghasilkan evaporasi ( mm/hari )

lokasi = 5 f(u) : Fungsi kecepatan angin rata-rata yang diukur pada ketinggian 2 m ( km/hari )ea-ed : Perbedaan tekanan uap jenuh dengan tekanan uap aktual ( mbar )

Ra= 14.550 Ra : Radiasi yang sampai pada lapisan atas atmosfie ( mm/hari )Rs : Radiasi matahari yang sampai ke bumi ( mm/hari )

lokasi = 5 Rn1 : Radiasi bersih gelombang panjang ( mm/hari )n/N : Perbandingan jam cerah aktual dengan jam cerah teoritis

Ra= 14.750

lokasi = 5

Ra= 15.150

lokasi = 5

Ra= 15.300

lokasi = 5

Ra= 15.050

lokasi = 5

Ra= 14.350

RsRns *)1(

1RnRnsRn

1001*27,0)(

uuf

RsRns *)1(

1RnRnsRn

1001*27,0)(

uuf

lokasi = 5

Ra= 13.900

Rs U (m/det) C

0 0

6 9

1.06 1.1 0.98

0.92 1.01 0.74

0.98

Kelebihan Air (WS)ISM = 200

No Tahun Kelebihan airJanuari Februari Maret April Mei Juni Juli Agustus September Oktober November Desember

1 1985 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.41 74.152 1986 0.00 5.95 0.00 0.00 0.00 0.00 0.00 0.00 0.00 36.14 12.91 26.513 1987 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.90 0.00 0.00 24.654 1988 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 26.40 0.00 0.00 39.895 1989 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 65.50 0.006 1990 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.14 3.43 0.007 1991 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.278 1992 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 35.019 1993 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 48.4010 1994 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 37.61 37.0111 1995 0.00 37.51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 30.67 29.52 13.2712 1996 0.00 5.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 44.14 0.00 0.0013 1997 0.00 0.00 0.00 0.00 0.00 0.00 27.62 0.00 0.00 0.00 38.02 48.6314 1998 0.00 0.00 29.61 0.00 0.00 0.00 0.00 0.00 0.00 27.17 36.52 0.0015 1999 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.4016 2000 0.00 3.78 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21.91 3.8917 2001 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18.10 0.0118 2002 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 31.82 43.2719 2003 0.00 23.25 0.00 0.00 0.00 0.00 30.42 38.45 0.00 47.67 23.52 33.7720 2004 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 37.90 0.00 1.7821 2005 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 33.02 38.7622 2006 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21.91 12.4023 2007 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 35.32 61.00

WS = ISM + Re-E-SMSCatatan : jika WS < 0 = 0

Jan Feb Mar Apr Mei Jun Jul Agt Sep Okt Nov Des0.000

0.020

0.040

0.060

0.080

0.100

0.120

0.140

Diagram Debit Andalan F.J Mock

Bulan

Nila

i Deb

it

Perhitungan Kebutuhan Air Tanaman (NFR)

Mulai Tanam = 1-DecWaktu Penyiapan Lahan (T) = 45 hariKebutuhan Air Penjenuhan (S) = 300 mmTotal Efisiensi Jaringan Irigasi (e) = 65%

No. U R A I A N SATDes Jan Feb Mar Apr Mei Jun Jul Agu Sep Okt

1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1

1 Pola TanamPadi Palawija Padi

2 Koefisien padi (c1) LP 1.10 1.10 1.05 1.05 0.95 0.00 LP 1.10 1.10 1.05 1.053 Koefisien padi (c2) LP 1.10 1.10 1.05 1.05 0.95 0.00 LP 1.10 1.10 1.054 Koefisien padi (c3) LP 1.10 1.10 1.05 1.05 0.95 0.00 LP 1.10 1.105 Koefisien padi rerata (cr) LP LP LP 1.08 1.07 1.02 0.67 0.32 0.00 LP LP LP 1.08 1.076 Koefisien palawija 1 0.50 0.59 0.96 1.05 1.02 0.957 Koefisien palawija 2 0.50 0.59 0.96 1.05 1.02 0.958 Koefisien palawija 3 0.50 0.59 0.96 1.05 1.02 0.959 Koefisien palawija rerata (cr) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.17 0.36 0.68 0.87 1.01 1.01 0.66 0.32 0.00 0.00 0.00 0.00 0.00

10 Evapotranspirasi (ETo) mm/hr 3.64 3.64 3.80 3.80 4.31 4.31 4.45 4.45 4.63 4.63 4.56 4.56 4.60 4.60 4.39 4.39 4.38 4.38 4.14 4.14 3.9811 Evaporasi bebas (Eo) mm/hr 4.00 4.00 4.18 4.18 4.74 4.74 4.89 4.89 5.09 5.09 5.02 5.02 5.06 5.06 4.82 4.82 4.81 4.81 4.56 4.56 4.3712 Perkolasi (P) mm/hr 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.0013 Kebutuhan air pengganti (M) = Eo+P mm/hr 6.00 6.00 6.18 6.18 6.74 6.74 6.89 6.89 7.09 7.09 7.02 7.02 7.06 7.06 6.82 6.82 6.81 6.81 6.56 6.56 6.3714 K = (M*T)/S mm/hr 0.90 0.90 0.93 0.93 1.01 1.01 1.03 1.03 1.06 1.06 1.05 1.05 1.06 1.06 1.02 1.02 1.02 1.02 0.98 0.98 0.9615 Penyiapan lahan (LP) mm/hr 10.1 10.1 10.2 10.2 10.6 10.6 10.7 10.7 10.8 10.8 10.8 10.8 10.8 10.8 10.7 10.7 10.6 10.6 10.5 10.5 10.416 Pengg. Konsumtif padi (ETc1) = cr*Eto mm/hr 10.1 10.1 10.2 4.12 4.60 4.38 2.97 1.41 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.6 10.6 10.5 4.49 4.2417 Pengg. Konsumtif palawija (ETc2) mm/hr 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.77 1.68 3.12 3.95 4.65 4.63 2.88 1.39 0.00 0.00 0.00 0.00 0.0018 Hujan efektif padi mm/hr 4.34 3.72 0.77 2.62 3.50 2.91 2.70 2.55 2.27 2.49 2.68 1.96 2.03 1.26 1.86 1.54 1.65 2.28 1.87 3.19 2.9119 Hujan efektif palawija mm/hr 2.26 3.13 0.42 2.15 1.54 1.96 1.31 1.49 1.33 1.96 1.84 1.40 1.33 0.91 0.86 0.98 0.91 1.82 1.05 1.73 2.3320 Pengganti lap. Air periode I mm/hr 3.30 3.30 3.30 3.3021 Pengganti lap. Air periode II mm/hr 3.30 3.30 3.3022 Pengganti lap. Air periode III mm/hr 3.30 3.30 3.3023 Pengganti lap. Air rerata (WLR) mm/hr 0.00 0.00 1.10 1.10 2.20 1.10 1.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.10 1.10 2.2024 NFR padi mm/hr 7.77 8.39 12.56 4.60 5.30 4.57 3.36 0.86 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11.00 10.37 11.71 4.40 5.5325 L/dt/ha 0.90 0.97 1.45 0.53 0.61 0.53 0.39 0.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.27 1.20 1.36 0.51 0.6426 NFR palawija mm/hr 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.56 -0.28 1.28 2.55 3.32 3.72 2.02 0.41 0.00 0.00 0.00 0.00 0.0027 L/dt/ha 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.06 -0.03 0.15 0.30 0.38 0.43 0.23 0.05 0.00 0.00 0.00 0.00 0.0028 Kebutuhan air di sawah (NFR) L/dt/ha 0.90 0.97 1.45 0.53 0.61 0.53 0.39 0.10 -0.06 -0.03 0.15 0.30 0.38 0.43 0.23 0.05 1.27 1.20 1.36 0.51 0.6429 Kebutuhan air di intake (DR) L/dt/ha 1.38 1.49 2.24 0.82 0.94 0.81 0.60 0.15 -0.10 -0.05 0.23 0.45 0.59 0.66 0.36 0.07 1.96 1.85 2.08 0.78 0.9930 Debit Pengambilan (QP) 7.709 8.330 12.471 4.563 5.259 4.536 3.339 0.850 -0.554 -0.275 1.265 2.536 3.291 3.693 2.001 0.406 10.916 10.290 11.621 4.368 5.49331 Debit Andalan (QA) 0.204 0.204 0.100 0.100 0.118 0.118 0.085 0.085 0.067 0.067 0.075 0.075 0.052 0.052 0.044 0.044 0.056 0.056 0.059 0.059 0.09532 QA - QP -7.50 -8.13 -12.37 -4.46 -5.14 -4.42 -3.25 -0.76 0.62 0.34 -1.19 -2.46 -3.24 -3.64 -1.96 -0.36 -10.86 -10.23 -11.56 -4.31 -5.40

Sumber : hasil perhitungan maks NFR = 1.45maks DR = 2.24

M³/dtM³/dtM³/dt

Rumus : Keterangan :

1 6Eo : Evaporasi air terbuka ( mm/hari )

2 7 M : Kebutuhan air untuk mengganti kehilangan air akibat evaporasi dan perkolasi di sawah yang telah dijenuhkan tanahnya ( mm/hari )

3 8 P : Perkolasi ( mm/hari )T : Jangka waktu pentiapan lahan ( hari )

9S : Jumlah air untuk penjenuhan dan lapisan air

4 IR : Kebutuhan air untuk penyiapan lahan ( mm/hari )Eto : Evapotranspirasi potensial tanaman ( mm/hari )Etc : Kebutuhan air untuk penggunaan konsumtif tanaman ( mm/hari )

5 kc : Koefisien tanamanNFR : Kebutuhan air bersih di sawah ( mm/hari)Re : Hujan efektif ( mm/hari )WLR : Kebutuhan air untuk pergantian lapisan air ( mm/hari)ef : Efisiensi jaringan irigasiDR : Kebutuhan pengambilan ( l/dt/ha)

EToEo *1,1

PEoM

S

TMK

*

1

*

k

k

e

eMIR

ETokcETc *

REIRNFR LAHANPENYIAPAN

Re PWLRETcNFRPADI

Re PETcNFRPALAWIJA

64,8ef

NFRDR

Perhitungan Kebutuhan Air Tanaman (NFR)

Okt Nov2 1 2

Padi

0.95 0.001.05 0.95 0.001.05 1.05 0.951.02 0.67 0.32

0.00 0.00 0.003.98 4.0102 4.010254.37 4.41 4.412.00 2.00 2.006.37 6.41 6.410.96 0.96 0.9610.4 10.4 10.4 max 10.834.04 2.67 1.270.00 0.00 0.003.35 3.32 4.462.61 2.26 3.29

3.303.30

1.10 1.10 0.003.79 2.45 -1.190.44 0.28 -0.140.00 0.00 0.000.00 0.00 0.000.44 0.28 -0.140.68 0.44 -0.213.763 2.433 -1.183

0.095 0.118 0.118-3.67 -2.31 1.30

L/dt/haL/dt/ha

Metode ABM

Periode Ulang (tahun)50 100

1 1.42 1.472 0.89 0.93 3 0.68 0.714 0.56 0.585 0.48 0.506 0.43 0.457 0.39 0.40

periode ulang 50 tahun p 50 = 4.08 mm

Tabel 2.4 Periode ulang 50 tahun = 15,91 mm

Dt (jam)hyetograph% (mm)

1 0 1 66.07 66.07 66.07 52.28 5.01 0.202 1 2 41.62 83.24 17.17 13.59 6.41 0.263 2 3 31.76 95.28 12.05 9.53 9.53 0.394 3 4 26.22 104.87 9.59 7.59 52.28 2.135 4 5 22.59 112.97 8.10 6.41 13.59 0.556 5 6 20.01 120.05 7.08 5.60 7.59 0.317 6 7 18.05 126.38 6.33 5.01 5.60 0.23

jumlah 126.38 100.00 100.00 4.08Sumber: hasil perhitungan

periode ulang 100 tahun p 100 = 4.24 mm

Tabel 2.5 Periode ulang 100 tahun = 16,58 mm

Dt (jam)hyetograph% (mm)

1 0 1 70.01 70.01 70.01 52.28 5.01 0.212 1 2 44.10 88.21 18.20 13.59 6.41 0.273 2 3 33.66 100.97 12.77 9.53 9.53 0.404 3 4 27.78 111.14 10.16 7.59 52.28 2.225 4 5 23.94 119.72 8.58 6.41 13.59 0.586 5 6 21.20 127.22 7.50 5.60 7.59 0.327 6 7 19.13 133.93 6.71 5.01 5.60 0.24

jumlah 133.93 100.00 100.00 4.24Sumber: hasil perhitungan

`

Durasi (jam)

Td (jam)

It (mm/jam

)

It Td (mm)

Dp (mm)

Pt (%)

Td (jam)

It (mm/jam

)

It Td (mm)

Dp (mm)

Pt (%)

Tabel 2.6.Hidrograf Satuan dengan Metode NakayasuWaktu Hidrograf Unit Hidrograf

L = 124 km 0 0.0

tg = 0.4 + 0.058L = 7.592 jam 1 0.0

Tr = 0.5Tg = 3.796 jam 2 0.2

Tp = Tg + 0.8 Tr = 10.6288 jam 3 0.4

= 15.184 jam 3.0368 0.4

Qp = = 8.633 4 0.85 1.46 2.27 3.28 4.49 5.8

0,8Tr 3.0368 10 7.5

tp+T0,3 25.8128 10.6288 8.6

tp+T0,3+1,5T 48.5888 11 8.412 7.713 7.214 6.615 6.116 5.617 5.218 4.819 4.420 4.121 3.822 3.523 3.224 3.025 2.8

25.8128 2.626 2.627 2.428 2.329 2.230 2.131 2.032 1.933 1.834 1.735 1.636 1.537 1.438 1.439 1.340 1.241 1.242 1.1

T0.3=α tgm³/d

43 1.044 1.045 0.946 0.947 0.848 0.8

48.5888 0.849 0.850 0.751 0.752 0.653 0.654 0.655 0.656 0.557 0.558 0.559 0.460 0.461 0.462 0.463 0.464 0.365 0.366 0.367 0.368 0.369 0.370 0.371 0.272 0.273 0.274 0.275 0.276 0.277 0.278 0.279 0.280 0.181 0.182 0.183 0.184 0.185 0.186 0.187 0.188 0.189 0.1

90 0.1

jumlah 162.87

volume 586348.83

kedalaman hujan 1.03

Koreksi 0.973823034726

Tabel 2.6.Hidrograf Satuan dengan Metode NakayasuHidrograf Terkoreksi

0.000.030.150.40

0.42

0.811.382.133.084.255.647.268.408.167.546.966.435.945.495.074.684.334.003.693.413.152.912.692.522.502.372.252.132.021.921.821.721.641.551.471.401.321.261.191.131.07

0 10 20 30 40 50 60 70 80 90 1000.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

Hidrograf Terkoreksi Hidrograf Awal

Hidrograf NakayasuD

ebit

m³/

det

ik

Waktu (jam)

1.020.960.910.870.820.780.760.740.700.670.630.600.570.540.510.480.460.440.410.390.370.350.330.320.300.290.270.260.240.230.220.210.200.190.180.170.160.150.140.140.130.120.120.110.100.100.090.09

0.08

158.61

571000.00

1.00

0 10 20 30 40 50 60 70 80 90 1000.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

Hidrograf Terkoreksi Hidrograf Awal

Hidrograf Nakayasu

Deb

it m

³/d

etik

Waktu (jam)

Limpasan Langsung Periode Ulang 50 tahunan

Tabel 2.7 Limpasan Langsung Periode Ulang 50 TahunanKolom 2 x hujan efektif

0.20 0.26 0.39 2.13 0.55 0.31 0.23

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)0 0.00 0 01 0.03 0.01 0 0.012 0.15 0.03 0.01 0 0.043 0.40 0.08 0.04 0.01 0 0.13

3.0368 0.42 0.09 0.11 0.06 0.06 0 0.314 0.81 0.16 0.11 0.16 0.33 0.02 0 0.775 1.38 0.28 0.21 0.16 0.86 0.08 0.01 0 1.616 2.13 0.44 0.36 0.31 0.89 0.22 0.05 0.01 2.277 3.08 0.63 0.56 0.54 1.72 0.23 0.13 0.03 3.838 4.25 0.87 0.81 0.83 2.94 0.45 0.13 0.09 6.119 5.64 1.15 1.11 1.20 4.55 0.76 0.25 0.10 9.12

10 7.26 1.48 1.48 1.65 6.58 1.18 0.43 0.18 12.9910.6288 8.40 1.72 1.90 2.19 9.07 1.71 0.66 0.31 17.57

11 8.16 1.67 2.20 2.83 12.03 2.36 0.96 0.49 22.5312 7.54 1.54 2.14 3.27 15.50 3.13 1.32 0.71 27.5913 6.96 1.42 1.97 3.18 17.94 4.03 1.75 0.97 31.2614 6.43 1.32 1.82 2.93 17.42 4.66 2.25 1.29 31.6915 5.94 1.22 1.68 2.71 16.09 4.53 2.60 1.66 30.4916 5.49 1.12 1.55 2.50 14.86 4.18 2.53 1.92 28.6817 5.07 1.04 1.44 2.31 13.73 3.86 2.34 1.87 26.5818 4.68 0.96 1.33 2.14 12.68 3.57 2.16 1.72 24.5619 4.33 0.89 1.23 1.97 11.72 3.30 1.99 1.59 22.6920 4.00 0.82 1.13 1.82 10.82 3.05 1.84 1.47 20.9621 3.69 0.76 1.05 1.68 10.00 2.81 1.70 1.36 19.3622 3.41 0.70 0.97 1.56 9.24 2.60 1.57 1.26 17.8823 3.15 0.64 0.89 1.44 8.53 2.40 1.45 1.16 16.5224 2.91 0.60 0.82 1.33 7.88 2.22 1.34 1.07 15.2625 2.69 0.55 0.76 1.23 7.28 2.05 1.24 0.99 14.10

25.8128 2.52 0.52 0.70 1.13 6.73 1.89 1.14 0.91 13.0326 2.50 0.51 0.66 1.05 6.21 1.75 1.06 0.84 12.0827 2.37 0.48 0.65 0.98 5.74 1.62 0.98 0.78 11.2328 2.25 0.46 0.62 0.97 5.38 1.49 0.90 0.72 10.5529 2.13 0.44 0.59 0.92 5.33 1.40 0.83 0.67 10.1730 2.02 0.41 0.56 0.87 5.05 1.39 0.78 0.62 9.6831 1.92 0.39 0.53 0.83 4.79 1.31 0.77 0.58 9.2132 1.82 0.37 0.50 0.79 4.55 1.25 0.73 0.57 8.7633 1.72 0.35 0.48 0.75 4.31 1.18 0.70 0.54 8.3134 1.64 0.33 0.45 0.71 4.09 1.12 0.66 0.51 7.8835 1.55 0.32 0.43 0.67 3.88 1.06 0.63 0.49 7.4736 1.47 0.30 0.41 0.64 3.68 1.01 0.59 0.46 7.0937 1.40 0.29 0.39 0.60 3.49 0.96 0.56 0.44 6.7238 1.32 0.27 0.37 0.57 3.31 0.91 0.53 0.42 6.3839 1.26 0.26 0.35 0.54 3.14 0.86 0.51 0.39 6.0540 1.19 0.24 0.33 0.52 2.98 0.82 0.48 0.37 5.7441 1.13 0.23 0.31 0.49 2.83 0.77 0.46 0.35 5.4442 1.07 0.22 0.30 0.46 2.68 0.73 0.43 0.34 5.1643 1.02 0.21 0.28 0.44 2.54 0.70 0.41 0.32 4.9044 0.96 0.20 0.27 0.42 2.41 0.66 0.39 0.30 4.6445 0.91 0.19 0.25 0.40 2.29 0.63 0.37 0.29 4.41

Waktu (jam)

Hidrograf Satuan (mm)

Limpasan langsung

(mm)

46 0.87 0.18 0.24 0.38 2.17 0.59 0.35 0.27 4.1847 0.82 0.17 0.23 0.36 2.06 0.56 0.33 0.26 3.9648 0.78 0.16 0.22 0.34 1.95 0.53 0.31 0.25 3.76

48.5888 0.76 0.15 0.20 0.32 1.85 0.51 0.30 0.23 3.5749 0.74 0.15 0.20 0.30 1.76 0.48 0.28 0.22 3.3950 0.70 0.14 0.19 0.29 1.67 0.46 0.27 0.21 3.2351 0.67 0.14 0.18 0.29 1.61 0.43 0.25 0.20 3.1152 0.63 0.13 0.17 0.27 1.58 0.42 0.24 0.19 3.0153 0.60 0.12 0.17 0.26 1.50 0.41 0.23 0.18 2.8754 0.57 0.12 0.16 0.25 1.42 0.39 0.23 0.17 2.7355 0.54 0.11 0.15 0.23 1.35 0.37 0.22 0.17 2.6056 0.51 0.10 0.14 0.22 1.28 0.35 0.21 0.16 2.4657 0.48 0.10 0.13 0.21 1.21 0.33 0.20 0.15 2.3458 0.46 0.09 0.13 0.20 1.15 0.32 0.19 0.14 2.2259 0.44 0.09 0.12 0.19 1.09 0.30 0.18 0.14 2.1060 0.41 0.08 0.11 0.18 1.04 0.28 0.17 0.13 1.9961 0.39 0.08 0.11 0.17 0.98 0.27 0.16 0.12 1.8962 0.37 0.08 0.10 0.16 0.93 0.26 0.15 0.12 1.7963 0.35 0.07 0.10 0.15 0.88 0.24 0.14 0.11 1.7064 0.33 0.07 0.09 0.14 0.84 0.23 0.14 0.11 1.6165 0.32 0.06 0.09 0.14 0.79 0.22 0.13 0.10 1.5366 0.30 0.06 0.08 0.13 0.75 0.21 0.12 0.09 1.4567 0.29 0.06 0.08 0.12 0.71 0.20 0.12 0.09 1.3868 0.27 0.06 0.07 0.12 0.68 0.19 0.11 0.09 1.3169 0.26 0.05 0.07 0.11 0.64 0.18 0.10 0.08 1.2470 0.24 0.05 0.07 0.11 0.61 0.17 0.10 0.08 1.1771 0.23 0.05 0.06 0.10 0.58 0.16 0.09 0.07 1.1172 0.22 0.04 0.06 0.09 0.55 0.15 0.09 0.07 1.0673 0.21 0.04 0.06 0.09 0.52 0.14 0.08 0.07 1.0074 0.20 0.04 0.05 0.09 0.49 0.14 0.08 0.06 0.9575 0.19 0.04 0.05 0.08 0.47 0.13 0.08 0.06 0.9076 0.18 0.04 0.05 0.08 0.44 0.12 0.07 0.06 0.8677 0.17 0.03 0.05 0.07 0.42 0.12 0.07 0.05 0.8178 0.16 0.03 0.04 0.07 0.40 0.11 0.06 0.05 0.7779 0.15 0.03 0.04 0.07 0.38 0.10 0.06 0.05 0.7380 0.14 0.03 0.04 0.06 0.36 0.10 0.06 0.05 0.6981 0.14 0.03 0.04 0.06 0.34 0.09 0.06 0.04 0.6682 0.13 0.03 0.04 0.06 0.32 0.09 0.05 0.04 0.6283 0.12 0.03 0.03 0.05 0.31 0.08 0.05 0.04 0.5984 0.12 0.02 0.03 0.05 0.29 0.08 0.05 0.04 0.5685 0.11 0.02 0.03 0.05 0.28 0.08 0.04 0.03 0.5386 0.10 0.02 0.03 0.05 0.26 0.07 0.04 0.03 0.5087 0.10 0.02 0.03 0.04 0.25 0.07 0.04 0.03 0.4888 0.09 0.02 0.03 0.04 0.24 0.06 0.04 0.03 0.4589 0.09 0.02 0.02 0.04 0.22 0.06 0.04 0.03 0.4390 0.08 0.02 0.02 0.04 0.21 0.06 0.03 0.03 0.4191 0.00 0.02 0.03 0.20 0.06 0.03 0.03 0.3792 0.00 0.03 0.19 0.05 0.03 0.02 0.3393 0.00 0.18 0.05 0.03 0.02 0.2894 0.00 0.05 0.03 0.02 0.1095 0.00 0.03 0.02 0.0596 0.00 0.02 0.0297 0.00 0.0098 0.00

max = 31.69

Limpasan Langsung Periode Ulang 100 tahunan

Tabel 2.8 Limpasan Langsung Periode Ulang 100 TahunanKolom 2 x hujan efektif

0.21 0.27 0.40 2.22 0.58 0.32

(1) (2) (3) (4) (5) (6) (7) (8)0 0.00 01 0.03 0.01 02 0.15 0.03 0.01 03 0.40 0.09 0.04 0.01 0

3.0368 0.42 0.09 0.11 0.06 0.06 04 0.81 0.17 0.11 0.16 0.34 0.02 05 1.38 0.29 0.22 0.17 0.90 0.09 0.016 2.13 0.45 0.37 0.33 0.92 0.23 0.057 3.08 0.66 0.58 0.56 1.79 0.24 0.138 4.25 0.90 0.84 0.86 3.05 0.46 0.139 5.64 1.20 1.16 1.25 4.73 0.79 0.26

10 7.26 1.54 1.53 1.72 6.84 1.23 0.4410.6288 8.40 1.79 1.97 2.28 9.42 1.78 0.69

11 8.16 1.73 2.28 2.94 12.50 2.45 0.9912 7.54 1.60 2.22 3.40 16.10 3.25 1.3713 6.96 1.48 2.05 3.30 18.64 4.19 1.8114 6.43 1.37 1.89 3.05 18.10 4.84 2.3415 5.94 1.26 1.75 2.82 16.72 4.70 2.7116 5.49 1.17 1.62 2.60 15.44 4.35 2.6317 5.07 1.08 1.49 2.40 14.27 4.01 2.4318 4.68 1.00 1.38 2.22 13.18 3.71 2.2419 4.33 0.92 1.27 2.05 12.17 3.43 2.0720 4.00 0.85 1.18 1.89 11.25 3.16 1.9121 3.69 0.78 1.09 1.75 10.39 2.92 1.7722 3.41 0.72 1.00 1.62 9.60 2.70 1.6323 3.15 0.67 0.93 1.49 8.87 2.49 1.5124 2.91 0.62 0.86 1.38 8.19 2.30 1.3925 2.69 0.57 0.79 1.27 7.57 2.13 1.29

25.8128 2.52 0.54 0.73 1.18 6.99 1.97 1.1926 2.50 0.53 0.69 1.09 6.46 1.82 1.1027 2.37 0.50 0.68 1.02 5.96 1.68 1.0128 2.25 0.48 0.64 1.01 5.59 1.55 0.9429 2.13 0.45 0.61 0.96 5.54 1.45 0.8730 2.02 0.43 0.58 0.91 5.25 1.44 0.8131 1.92 0.41 0.55 0.86 4.98 1.37 0.8032 1.82 0.39 0.52 0.82 4.72 1.29 0.7633 1.72 0.37 0.49 0.78 4.48 1.23 0.7234 1.64 0.35 0.47 0.74 4.25 1.16 0.6935 1.55 0.33 0.44 0.70 4.03 1.10 0.6536 1.47 0.31 0.42 0.66 3.82 1.05 0.6237 1.40 0.30 0.40 0.63 3.63 0.99 0.5938 1.32 0.28 0.38 0.60 3.44 0.94 0.5639 1.26 0.27 0.36 0.56 3.26 0.89 0.5340 1.19 0.25 0.34 0.54 3.10 0.85 0.5041 1.13 0.24 0.32 0.51 2.94 0.80 0.4742 1.07 0.23 0.31 0.48 2.78 0.76 0.4543 1.02 0.22 0.29 0.46 2.64 0.72 0.4344 0.96 0.20 0.28 0.43 2.51 0.69 0.4045 0.91 0.19 0.26 0.41 2.38 0.65 0.38

Waktu (jam)

Hidrograf Satuan (mm)

46 0.87 0.18 0.25 0.39 2.25 0.62 0.3647 0.82 0.17 0.24 0.37 2.14 0.59 0.3448 0.78 0.17 0.22 0.35 2.03 0.56 0.33

48.5888 0.76 0.16 0.21 0.33 1.92 0.53 0.3149 0.74 0.16 0.21 0.32 1.82 0.50 0.2950 0.70 0.15 0.20 0.31 1.73 0.47 0.2851 0.67 0.14 0.19 0.30 1.68 0.45 0.2652 0.63 0.13 0.18 0.28 1.64 0.44 0.2553 0.60 0.13 0.17 0.27 1.56 0.43 0.2454 0.57 0.12 0.16 0.26 1.48 0.40 0.2455 0.54 0.11 0.15 0.24 1.40 0.38 0.2356 0.51 0.11 0.15 0.23 1.33 0.36 0.2157 0.48 0.10 0.14 0.22 1.26 0.35 0.2058 0.46 0.10 0.13 0.21 1.20 0.33 0.1959 0.44 0.09 0.13 0.20 1.13 0.31 0.1860 0.41 0.09 0.12 0.19 1.08 0.29 0.1761 0.39 0.08 0.11 0.18 1.02 0.28 0.1662 0.37 0.08 0.11 0.17 0.97 0.27 0.1663 0.35 0.08 0.10 0.16 0.92 0.25 0.1564 0.33 0.07 0.10 0.15 0.87 0.24 0.1465 0.32 0.07 0.09 0.14 0.83 0.23 0.1366 0.30 0.06 0.09 0.14 0.78 0.21 0.1367 0.29 0.06 0.08 0.13 0.74 0.20 0.1268 0.27 0.06 0.08 0.12 0.70 0.19 0.1169 0.26 0.05 0.07 0.12 0.67 0.18 0.1170 0.24 0.05 0.07 0.11 0.63 0.17 0.1071 0.23 0.05 0.07 0.10 0.60 0.16 0.1072 0.22 0.05 0.06 0.10 0.57 0.16 0.0973 0.21 0.04 0.06 0.09 0.54 0.15 0.0974 0.20 0.04 0.06 0.09 0.51 0.14 0.0875 0.19 0.04 0.05 0.08 0.49 0.13 0.0876 0.18 0.04 0.05 0.08 0.46 0.13 0.0777 0.17 0.04 0.05 0.08 0.44 0.12 0.0778 0.16 0.03 0.05 0.07 0.42 0.11 0.0779 0.15 0.03 0.04 0.07 0.39 0.11 0.0680 0.14 0.03 0.04 0.06 0.37 0.10 0.0681 0.14 0.03 0.04 0.06 0.35 0.10 0.0682 0.13 0.03 0.04 0.06 0.34 0.09 0.0583 0.12 0.03 0.04 0.06 0.32 0.09 0.0584 0.12 0.02 0.03 0.05 0.30 0.08 0.0585 0.11 0.02 0.03 0.05 0.29 0.08 0.0586 0.10 0.02 0.03 0.05 0.27 0.07 0.0487 0.10 0.02 0.03 0.04 0.26 0.07 0.0488 0.09 0.02 0.03 0.04 0.24 0.07 0.0489 0.09 0.02 0.03 0.04 0.23 0.06 0.0490 0.08 0.02 0.02 0.04 0.22 0.06 0.0491 0.00 0.02 0.04 0.21 0.06 0.0392 0.00 0.03 0.20 0.05 0.0393 0.00 0.19 0.05 0.0394 0.00 0.05 0.0395 0.00 0.0396 0.009798

Tabel 2.8 Limpasan Langsung Periode Ulang 100 TahunanKolom 2 x hujan efektif

0.24

(9) (10)0

0.010.040.140.320.80

0 1.670.01 2.360.04 3.980.10 6.350.10 9.480.19 13.500.33 18.260.51 23.410.73 28.671.01 32.481.34 32.931.73 31.682.00 29.801.94 27.621.79 25.511.65 23.571.53 21.771.41 20.111.30 18.581.21 17.161.11 15.861.03 14.650.95 13.540.88 12.550.81 11.670.75 10.960.69 10.570.64 10.060.60 9.570.59 9.100.56 8.630.53 8.190.51 7.760.48 7.370.46 6.990.43 6.630.41 6.290.39 5.960.37 5.650.35 5.360.33 5.090.31 4.830.30 4.58

Limpasan langsung

(mm)

0.28 4.340.27 4.120.25 3.910.24 3.710.23 3.530.22 3.360.21 3.230.20 3.120.19 2.980.18 2.840.18 2.700.17 2.560.16 2.430.15 2.300.14 2.180.14 2.070.13 1.960.12 1.860.12 1.770.11 1.680.10 1.590.10 1.510.09 1.430.09 1.360.08 1.290.08 1.220.08 1.160.07 1.100.07 1.040.06 0.990.06 0.940.06 0.890.05 0.840.05 0.800.05 0.760.05 0.720.04 0.680.04 0.650.04 0.610.04 0.580.04 0.550.03 0.520.03 0.500.03 0.470.03 0.450.03 0.420.03 0.390.02 0.340.02 0.290.02 0.100.02 0.050.02 0.020.00 0.00

0.00max = 32.93

PERHITUNGAN BANJIR RENCANA METODA RASIONAL JEPANG

DataA DAS = 61.605 km2 59.89375

L = 11 kmH = 1350 m 0.277778

i = 0.136364

V = = 21.7847 km/jamt = L/V = 0.504941 jam

r =α = 0.75Q = 1/36 x α x r x A

Tabel Perhitungan Banjir Rencana

T A r Q

(tahun) (mm) (mm/jam)2 61.605 120.049 4.314 51.5285 61.605 148.679 5.342 63.817

10 61.605 167.634 6.024 71.95320 61.605 185.817 6.677 79.75725 61.605 191.585 6.884 82.23350 61.605 209.352 7.523 89.859100 61.605 226.989 8.156 97.429

72(i)0,6

(R24/24)*(24/t)^(2/3)

R24

(km2) (m3/dt)

PERHITUNGAN DIMENSI SALURAN

Tabel 3.1 Perhitungan Dimensi Saluran dengan NFR = 1,51 lt/dt/ha

Nama Bangunan KNFR

A (ha) L (m) elevasi (m) I m b/h P R V h (m) b (m) w (m) (L/dt/ha)

BRJ.0 - BRJ.1 60 1.45 1674 2.705 400 47 46.5 0.5 0.0013 1 1 3.828 h 0.522 h 1.376 0.983 0.99 0.99 0.3

BRJ.1 - BRJ.2 60 1.45 950 1.535 1000 46 45.5 0.5 0.0005 1 1 3.828 h 0.522 h 0.870 0.882 0.95 0.95 0.3

BRJ.2 - BRJ.3 60 1.45 792 1.280 850 45 33.5 11.5 0.0135 1 1 3.828 h 0.522 h 4.527 0.141 0.48 0.48 0.2

BRJ.2 - BRJ.4 60 1.45 568 0.918 2200 45 44.5 0.5 0.0002 1 1 3.828 h 0.522 h 0.587 0.782 0.91 0.91 0.3

BRJ.4 - BRJ.5 60 1.45 840 1.357 750 44 33.4 10.6 0.0141 1 1 3.828 h 0.522 h 4.627 0.147 0.49 0.49 0.2

BRJ.5 - BRJ.6 60 1.45 750 1.212 1150 33.2 27.5 5.7 0.0050 1 1 3.828 h 0.522 h 2.740 0.221 0.57 0.57 0.2

Q (m3/dt) ΔH (m) A (m²) h8/3

2h² h2/3

2h² h2/3

2h² h2/3

2h² h2/3

2h² h2/3

2h² h2/3

Arah

Elevasi

Intake BTMT-1 2.705 0.99 0.99 III 47.160 46.860 46.031 47.360BTMT-1 BTMT-2 1.535 0.95 0.95 III 47.160 46.860 46.038 47.360BTMT-2 BTMT-3 1.280 0.48 0.48 III 47.160 46.860 46.124 47.360BTMT-3 BTMB-4 0.918 0.91 0.91 III 47.160 46.860 46.046 47.360BTMT-4 BTMB-5 1.357 0.49 0.49 III 47.160 46.860 46.122 47.360BTMT-5 BTMB-6 1.212 0.57 0.57 III 47.160 46.860 46.108 47.360

Bangunan Sadap

Debit m3/dt

b (m)

h (m)

Tipe Romijn

Elevasi Muka air

Elevasi dasar pintu

elevasi muka

air+tinggi jagaan

Pintu posisi rendah

Saluran PembawaDR Luas Sawah h (tinggi) b (lebar) w (tinggi Jagaan)

(lt/dt/ha) yang diairi (ha) (m) (m) (m)

Primer RTMT-1 2.24 1674 3.745 #DIV/0! #DIV/0! #DIV/0! #DIV/0!Primer RTMB-1 2.24 950 2.125 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

Sekunder RTMT-2 2.24 792 1.772 #DIV/0! #DIV/0! #DIV/0! #DIV/0!Tersier RTMB-2 2.24 568 1.271 #DIV/0! #DIV/0! #DIV/0! #DIV/0!Tersier RTMT-3 2.24 840 1.879 #DIV/0! #DIV/0! #DIV/0! #DIV/0!Tersier RAA-1 2.24 750 1.678 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

QRh8/3

(m3/d)

Saluran pembuangD(n) D(m) As

n IQd h b w

(mm) (lt/dt/ha) ha (m3/dt) (m) (m) (m)

PTMT1 ka - BTMT-1

0.00 0.000

7.5

0.025 0.0005

0.000 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

PTMB1 ki - BTMB-1 90 0.000 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

PTMT2 ka - BTMT-2 47.5 0.000 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

PTMB2 ki - BTMB-2 1138 0.000 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

PTMT3 ka - BTMT-3 167.5 0.000 #DIV/0! #DIV/0! #DIV/0! #DIV/0!

Contoh Perhitungan untuk saluran pembuang PTMT 3 ka - BTMT 3

DATA :

R(n)T = 139.787n = 3IR = 10.83

ET0 = 4.63P = 2Δs = 50A = 167.5

data saluran :n = 0.025m = 0.5R = 0.5 hI = 0.0005

h8/3

Sungai

H elevasi m I n B A = P = R(B+mH)H b+2h(I+m^2)^0,50 46.0 3 0.0028 0.040 90 0.00 90.00 0.00

0.2 46.2 3 0.0028 0.040 90 18.12 91.26 0.200.4 46.4 3 0.0028 0.040 90 36.48 92.53 0.390.6 46.6 3 0.0028 0.040 90 55.08 93.79 0.590.8 46.8 3 0.0028 0.040 90 73.92 95.06 0.781.0 47.0 3 0.0028 0.040 90 93.00 96.32 0.971.2 47.2 3 0.0028 0.040 90 112.32 97.59 1.151.4 47.4 3 0.0028 0.040 90 131.88 98.85 1.331.6 47.6 3 0.0028 0.040 90 151.68 100.12 1.511.8 47.8 3 0.0028 0.040 90 171.72 101.38 1.692.0 48.0 3 0.0028 0.040 90 192.00 102.65 1.872.2 48.2 3 0.0028 0.040 90 212.52 103.91 2.052.4 48.4 3 0.0028 0.040 90 233.28 105.18 2.222.6 48.6 3 0.0028 0.040 90 254.28 106.44 2.392.8 48.8 3 0.0028 0.040 90 275.52 107.71 2.563.0 49.0 3 0.0028 0.040 90 297.00 108.97 2.733.2 49.2 3 0.0028 0.040 90 318.72 110.24 2.893.4 49.4 3 0.0028 0.040 90 340.68 111.50 3.063.6 49.6 3 0.0028 0.040 90 362.88 112.77 3.223.8 49.8 3 0.0028 0.040 90 385.32 114.03 3.384.0 50.0 3 0.0028 0.040 90 408.00 115.30 3.544.2 50.2 3 0.0028 0.040 90 430.92 116.56 3.704.4 50.4 3 0.0028 0.040 90 454.08 117.83 3.854.6 50.6 3 0.0028 0.040 90 477.48 119.09 4.014.8 50.8 3 0.0028 0.040 90 501.12 120.36 4.165.0 51.0 3 0.0028 0.040 90 525.00 121.62 4.325.2 51.2 3 0.0028 0.040 90 549.12 122.89 4.475.4 51.4 3 0.0028 0.040 90 573.48 124.15 4.625.6 51.6 3 0.0028 0.040 90 598.08 125.42 4.775.8 51.8 3 0.0028 0.040 90 622.92 126.68 4.926.0 52.0 3 0.0028 0.040 90 648.00 127.95 5.066.2 52.2 3 0.0028 0.040 90 673.32 129.21 5.216.4 52.4 3 0.0028 0.040 90 698.88 130.48 5.36

Q100 6.42 52.4 3 0.0028 0.040 90 701.45 130.60 5.376.6 52.6 3 0.0028 0.040 90 724.68 131.74 5.506.8 52.8 3 0.0028 0.040 90 750.72 133.01 5.647.0 53.0 3 0.0028 0.040 90 777.00 134.27 5.79

Bendung

H elevasi m I n BA = P =

R(B+mH)H b+2h(I+m^2)^0,50 45.0 0 0.0028 0.020 87 0.00 87.00 0.00

0.2 45.2 0 0.0028 0.020 87 17.40 87.40 0.20

0.4 45.4 0 0.0028 0.020 87 34.80 87.80 0.400.6 45.6 0 0.0028 0.020 87 52.20 88.20 0.590.8 45.8 0 0.0028 0.020 87 69.60 88.60 0.791.0 46.0 0 0.0028 0.020 87 87.00 89.00 0.981.2 46.2 0 0.0028 0.020 87 104.40 89.40 1.171.4 46.4 0 0.0028 0.020 87 121.80 89.80 1.361.6 46.6 0 0.0028 0.020 87 139.20 90.20 1.541.8 46.8 0 0.0028 0.020 87 156.60 90.60 1.732.0 47.0 0 0.0028 0.020 87 174.00 91.00 1.912.2 47.2 0 0.0028 0.020 87 191.40 91.40 2.092.4 47.4 0 0.0028 0.020 87 208.80 91.80 2.272.6 47.6 0 0.0028 0.020 87 226.20 92.20 2.452.8 47.8 0 0.0028 0.020 87 243.60 92.60 2.633.0 48.0 0 0.0028 0.020 87 261.00 93.00 2.813.2 48.2 0 0.0028 0.020 87 278.40 93.40 2.983.4 48.4 0 0.0028 0.020 87 295.80 93.80 3.15

Q100 3.45 48.5 0 0.0028 0.020 87 300.15 93.90 3.203.6 48.6 0 0.0028 0.020 87 313.20 94.20 3.323.8 48.8 0 0.0028 0.020 87 330.60 94.60 3.494.0 49.0 0 0.0028 0.020 87 348.00 95.00 3.664.2 49.2 0 0.0028 0.020 87 365.40 95.40 3.834.4 49.4 0 0.0028 0.020 87 382.80 95.80 4.004.6 49.6 0 0.0028 0.020 87 400.20 96.20 4.164.8 49.8 0 0.0028 0.020 87 417.60 96.60 4.325.0 50.0 0 0.0028 0.020 87 435.00 97.00 4.485.2 50.2 0 0.0028 0.020 87 452.40 97.40 4.645.4 50.4 0 0.0028 0.020 87 469.80 97.80 4.805.6 50.6 0 0.0028 0.020 87 487.20 98.20 4.965.8 50.8 0 0.0028 0.020 87 504.60 98.60 5.126.0 51.0 0 0.0028 0.020 87 522.00 99.00 5.276.2 51.2 0 0.0028 0.020 87 539.40 99.40 5.436.4 51.4 0 0.0028 0.020 87 556.80 99.80 5.586.6 51.6 0 0.0028 0.020 87 574.20 100.20 5.736.8 51.8 0 0.0028 0.020 87 591.60 100.60 5.887.0 52.0 0 0.0028 0.020 87 609.00 101.00 6.03

V Q

0.00 0.000.45 8.160.71 25.950.93 51.101.12 82.691.29 120.181.45 163.181.60 211.421.74 264.681.88 322.782.01 385.582.13 452.972.25 524.842.36 601.122.47 681.722.58 766.592.68 855.682.79 948.942.88 1046.322.98 1147.803.07 1253.353.16 1362.933.25 1476.523.34 1594.123.42 1715.693.51 1841.233.59 1970.723.67 2104.163.75 2241.543.83 2382.843.90 2528.073.98 2677.234.05 2830.314.06 2845.834.12 2987.314.19 3148.234.26 3313.07

V Q

0.00 0.000.90 15.70

0 1000 2000 3000 4000 5000 6000012345678

Rating Curve Bendung

Q (m³/dt)

H (m

)

0 500 1000 1500 2000 2500 3000 3500012345678

Rating Curve Sungai

Q (m³/dt)

H (m

)

1.43 49.681.87 97.352.25 156.772.61 226.722.93 306.313.24 394.863.53 491.823.81 596.744.08 709.204.33 828.874.58 955.444.81 1088.645.04 1228.205.26 1373.925.48 1525.575.69 1682.975.74 1723.205.89 1845.946.09 2014.316.29 2187.926.48 2366.636.66 2550.306.84 2738.807.02 2932.017.19 3129.807.37 3332.077.53 3538.717.70 3749.627.86 3964.708.02 4183.858.17 4407.008.32 4634.058.47 4864.928.62 5099.548.76 5337.82

0 1000 2000 3000 4000 5000 6000012345678

Rating Curve Bendung

Q (m³/dt)H

(m)

0 1000 2000 3000 4000 5000 6000012345678

Rating Curve Bendung

Q (m³/dt)

H (m

)

0 500 1000 1500 2000 2500 3000 3500012345678

Rating Curve Sungai

Q (m³/dt)

H (m

)

0 1000 2000 3000 4000 5000 6000012345678

Rating Curve Bendung

Q (m³/dt)

H (m

)

LEBAR TUBUH BENDUNGp B pilar (n) b.pilr utm b.pilar B' Kp Ka B eff c0 c1 c2 Cd.h Cd.a He be Q.h Q3 87 3 1 0.8 84.4 0.01 0.1 84.4 - 0.26 He 1.3 - - - 1.30 4.440 83.245 175.98 32.93

1.3 0.925 1.007 1.21 1.21 4.658 83.189 175.99 32.93PELIMPAH DAN MERCU BENDUNG 1.3 0.925 1.007 1.21 1.21 4.658 83.189 175.99 32.93

Q100 cd He Q Beff Hd Hd k n dy/dx x y Hd k.Hd^n-1

32.93 1.21 4.658 233.62 83.189 4.650 4.239 1.939 1.85 1.85 2.955 1.121 4.65023 6.6184 0.6441

Tabel 4.3 Perhitungan tinggi energiCd a He P/He Co C1 C2 Cd hit Q100 Q-Q Kemiringan hilir K n1.21 4.658 0.644 1.300 0.925 1.007 1.211 32.93 0.00 3 : 1 1.9390 1.85

Tabel 4.4 perhitungan tinggi air di atas mercuHd 1/2.g Be P Q He hit He v = 0.05

4.239 0.05 83.245 3 32.93 4.4404.658

a = 1.1954.239 0.05 83.189 3 32.93 4.658 b = 0.742 Tabel 4.5 Perhitungan permukaan mercu tipe Ogee IV

R = 2.120 x 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75r = 0.848 y 0 0.012 0.042 0.089 0.151 0.228 0.320 0.425 0.545 0.677 0.823 0.982

BANGUNAN PEREDAM ENERGI x y0 0

e-hulu e-bend e-hilir q Yc z v1 y1 Fr1 y2KoLam OLak USBR III

0.25 0.01245 3 42 0.396 0.252 6 12.783 0.031 23.194 1.000 0.50 0.042

0.75 0.0891.00 0.151

KOLAM OLAK USBR IV 1.25 0.228n n3 jrk balok 1.50 0.320

13.48 0.07 0.14 0.10 1.75 0.4252.00 0.5452.25 0.677

INTAKE 2.50 0.823Q.intke Qn e-hulu t-intake e-intake e-mercu 2.75 0.982

12470.90 14.97 45 1.5 46.5 48 3.000 1.153

KATONG LUMPURQn D T m Q v w LB B L

12.4709 0.05 7 0.0005 6.235 1885.60 1 6235.5 24.97 249.7

An Hn Rn Vn Kn In15.59 0.624 0.595 0.4 40 0.000200

Qs Vs As Hs Rs Ks Is V L B14.96508507 1.5 9.98 0.40 0.387 40 0.0050 3836.604 169.632 18.848

PEMBILASB Hs B.nf AT Hf e mines

24.97 0.40 10 9.98 0.998 0.60

V e-sungai pjg sal b/h Af H B if b/h 2.51.5 43 60 2.5 9.98 2.00 4.99 0.0014 1.00

b 4.99h 2.00

PENGAMBILAN SAL. PRIMERHn Hi Qn mk. Air bi

0.624 0.42 12.4709 46.42 23.32

LIII

0 0.5 1 1.5 2 2.5 3 3.50

1

2

Diagram Mercu OGEE IV

x (m)

y (m)

Tabel 4.5 Perhitungan permukaan mercu tipe Ogee IV3.0001.153

Tabel 5.1 Perhitungan jalur rembesan dan tekanan air pada debit normal

TITIK ELEVASI GARIS

PANJANG REMBESANΔH H P

V H 1/3H Lw

m m m m

A0 45.00 0 0 30.00 30

A1 43.00 A0 - A1 2.00 2 1.64 50.00 48.36

A2 43.00 A1 - A2 0.5 0.17 2.17 1.78 50.00 48.22

A3 44.60 A2 - A3 1.60 3.77 3.09 34.00 30.91

A4 44.60 A3 - A4 2.2 0.73 4.50 3.69 34.00 30.31

A5 43.00 A4 - A5 1.60 6.10 5.00 50.00 45.00

A6 43.00 A5 - A6 0.5 0.17 6.27 5.14 50.00 44.86

A7 44.60 A6 - A7 1.60 7.87 6.45 34.00 27.55

A8 44.60 A7 - A8 3 1.00 8.87 7.27 34.00 26.73

A9 43.00 A8 - A9 1.60 10.47 8.58 50.00 41.42

A10 43.00 A9 - A10 0.5 0.17 10.63 8.72 50.00 41.28

A11 44.60 A10 - A11 1.60 12.23 10.03 34.00 23.97

A12 44.60 A11 - A12 3 1.00 13.23 10.85 34.00 23.15

A13 43.00 A12 - A13 1.60 14.83 12.16 50.00 37.84

A14 43.00 A13 - A14 0.5 0.17 15.00 12.30 50.00 37.70

A15 44.60 A14 - A15 1.60 16.60 13.61 34.00 20.39

A 44.60 A15 - A 3 1.00 17.60 14.43 34.00 19.57

B 41.50 A - B 3.10 20.70 16.97 65.00 48.03

C 41.50 B - C 2.47 0.82 21.52 17.64 65.00 47.36

D 43.50 C - D 2.00 23.52 19.28 45.00 25.72

E 43.50 D - E 0.9 0.30 23.82 19.53 45.00 25.47

F 40.50 E - F 3.00 26.82 21.99 75.00 53.01

G 40.50 F - G 2 0.67 27.49 22.54 75.00 52.46

H 38.00 G - H 2.50 29.99 24.59 100.00 75.41

I 38.00 H - I 2.5 0.83 30.82 25.27 100.00 74.73

J 35.50 I - J 2.50 33.32 27.32 125.00 97.68

K 35.50 J - K 2.5 0.83 34.16 28.00 125.00 97.00

L 33.00 K - L 2.50 36.66 30.05 150.00 119.95

M 33.00 L - M 2 0.67 37.32 30.60 150.00 119.40

N 34.50 M - N 1.50 38.82 31.83 135.00 103.17

O 34.50 N - O 30 10.00 48.82 40.03 135.00 94.97

P 33.00 O - P 1.50 50.32 41.26 150.00 108.74

kN/m² kN/m² kN/m²

Q 33.00 P - Q 2 0.67 50.99 41.80 150.00 108.20

R 43.00 Q - R 10.00 60.99 50.00 50.00 0.00

JUMLAH 41.80 57.57 19.2 Cw = 60,99/5 = 12.20