Aplikasi NAKAYASU

UNIT HIDROGRAF SATUAN ADALAH SBB:

t Q

(jam)

0 0.00001 0.21932 1.15733 3.06254 6.10835 10.43546 16.16387 23.39998 32.24009 42.7722

10 55.07810.88 0.1635

11 0.000012 0.000013 0.000014 0.000015 0.000016 0.000017 0.000018 0.000019 0.000020 0.000021 0.000022 0.000023 0.000024 0.000025 0.000026 0.000027 0.000028 0.000029 0.000030 0.000031 0.000032 0.000033 0.000034 0.000035 0.000036 0.000037 0.000038 0.000039 0.000040 0.0000

(m3/dt)

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

HIDROGRAF SATUAN

Waktu (jam)

De

bit

(m

3/d

t)

Data : Hidrograf Satuan

A 1 tg t =L 4 km. < 15 km ....> 0.55419 0.55419 0.0C 0.9 > 15 km ....> 0.63200 1.0a 2 tr = 0,5 s/d 1,0 tg. 2.0

Ro 1 diambil tr = 0.32 jam. 3.01.26400 jam. 4.0

Tp = 0.88480 jam. 5.0t Q 6.0

Naik 0 0 7.0Qp 0.88480 0.163458521 8.0Turun 1.26400 0.113905302257 9.0Turun 1.89600 0.057576595986 10.0Turun 40 5.3809406E-10 0.9

11.012.013.014.015.016.017.018.019.020.021.022.023.024.025.026.027.028.029.030.031.032.033.034.035.036.037.038.039.040.0

km2.

T0,3 =

Hidrograf Satuan

Q =0.00.21.2

3.16.1

10.416.223.432.242.855.10.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Hasil Perhitungan Debit Kolong Dengan Metode Nakayasu

Lampiran 1a : Debit Kolong Kala Ulang 2 Tahun

* Curah hujan rancangan metode Log Pearson III.

t U (t,1) Akibat Hujan Aliran Dasar Jumlah

(jam) 2.029 0.527 0.370 0.295 0.249

0 0.0000 0.000 0.696 0.6961 0.2193 0.445 0.000 0.696 1.1412 1.1573 2.348 0.116 0.000 0.696 3.1603 3.0625 6.214 0.610 0.081 0.000 0.696 7.6014 6.1083 12.394 1.614 0.428 0.065 0.000 0.696 15.1975 10.4354 21.173 3.219 1.133 0.341 0.055 0.696 26.618

5.0 16.1638 32.796 5.499 2.260 0.903 0.288 0.696 42.444

6 23.3999 47.478 8.518 3.861 1.802 0.763 0.696 63.1197 32.2400 65.415 12.332 5.981 3.078 1.521 0.696 89.0238 42.7722 86.785 16.990 8.658 4.768 2.598 0.696 120.4969 55.0781 111.754 22.541 11.929 6.903 4.025 0.696 157.847

10 0.1635 0.332 29.026 15.826 9.511 5.827 0.696 61.21711 0.0000 0.000 0.086 20.379 12.618 8.028 0.696 41.80712 0.0000 0.000 0.000 0.060 16.248 10.650 0.696 27.65513 0.0000 0.000 0.000 0.000 0.048 13.714 0.696 14.45914 0.0000 0.000 0.000 0.000 0.000 0.041 0.696 0.73715 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

22 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

23 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)

Hasil Perhitungan Debit Banjir Dengan Metode Nakayasu

Lampiran 1b : Debit Banjir Kala Ulang 5 Tahun Daerah Aliran Sungai



(jam) 2.942 0.765 0.536 0.427 0.361

0 0.0000 0.000 0.696 0.6961 0.2193 0.645 0.000 0.696 1.3412 1.1573 3.405 0.168 0.000 0.696 4.2693 3.0625 9.010 0.885 0.118 0.000 0.696 10.7094 6.1083 17.971 2.343 0.620 0.094 0.000 0.696 21.7245 10.4354 30.701 4.673 1.641 0.494 0.079 0.696 38.285

5.0 16.1638 47.554 7.983 3.274 1.308 0.418 0.696 61.2336 23.3999 68.843 12.365 5.593 2.608 1.106 0.696 91.2117 32.2400 94.850 17.901 8.664 4.456 2.205 0.696 128.7728 42.7722 125.836 24.664 12.542 6.902 3.767 0.696 174.4079 55.0781 162.040 32.721 17.281 9.992 5.835 0.696 228.565

10 0.1635 0.481 42.135 22.926 13.766 8.447 0.696 88.45211 0.0000 0.000 0.125 29.522 18.264 11.639 0.696 60.24612 0.0000 0.000 0.000 0.088 23.518 15.441 0.696 39.74313 0.0000 0.000 0.000 0.000 0.070 19.883 0.696 20.64914 0.0000 0.000 0.000 0.000 0.000 0.059 0.696 0.75515 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69622 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69623 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1c : Debit Banjir Kala Ulang 10 Tahun Daerah Aliran Sungai Kuantan



(jam) 3.708 0.964 0.676 0.538 0.455

0 0.0000 0.000 0.696 0.6961 0.2193 0.813 0.000 0.696 1.5092 1.1573 4.291 0.211 0.000 0.696 5.1993 3.0625 11.356 1.116 0.148 0.000 0.696 13.3164 6.1083 22.650 2.952 0.782 0.118 0.000 0.696 27.1995 10.4354 38.694 5.888 2.070 0.623 0.100 0.696 48.072

5.0 16.1638 59.935 10.060 4.129 1.648 0.527 0.696 76.9956 23.3999 86.767 15.582 7.054 3.286 1.393 0.696 114.7797 32.2400 119.546 22.558 10.927 5.614 2.779 0.696 162.1208 42.7722 158.599 31.079 15.818 8.696 4.748 0.696 219.6389 55.0781 204.230 41.232 21.794 12.589 7.355 0.696 287.896

10 0.1635 0.606 53.095 28.914 17.345 10.647 0.696 111.30411 0.0000 0.000 0.158 37.233 23.011 14.669 0.696 75.76712 0.0000 0.000 0.000 0.110 29.632 19.461 0.696 49.90013 0.0000 0.000 0.000 0.000 0.088 25.061 0.696 25.84514 0.0000 0.000 0.000 0.000 0.000 0.074 0.696 0.77115 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69622 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69623 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1d : Debit Banjir Kala Ulang 20 Tahun Daerah Aliran Sungai Kuantan



(jam) 4.427 1.151 0.807 0.643 0.543

0 0.0000 0.000 0.696 0.6961 0.2193 0.971 0.000 0.696 1.6672 1.1573 5.123 0.252 0.000 0.696 6.0723 3.0625 13.558 1.332 0.177 0.000 0.696 15.7634 6.1083 27.042 3.525 0.934 0.141 0.000 0.696 32.3385 10.4354 46.197 7.031 2.471 0.744 0.119 0.696 57.259

5.0 16.1638 71.557 12.011 4.929 1.969 0.628 0.696 91.7916 23.3999 103.591 18.604 8.421 3.928 1.663 0.696 136.9047 32.2400 142.727 26.933 13.044 6.710 3.317 0.696 193.4278 42.7722 189.352 37.108 18.884 10.393 5.666 0.696 262.1009 55.0781 243.831 49.231 26.018 15.046 8.777 0.696 343.599

10 0.1635 0.724 63.395 34.517 20.730 12.706 0.696 132.76911 0.0000 0.000 0.188 44.448 27.503 17.506 0.696 90.34112 0.0000 0.000 0.000 0.132 35.415 23.225 0.696 59.46913 0.0000 0.000 0.000 0.000 0.105 29.907 0.696 30.70914 0.0000 0.000 0.000 0.000 0.000 0.089 0.696 0.78515 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69622 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69623 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1e : Debit Banjir Kala Ulang 25 Tahun Daerah Aliran Sungai Kuantan



(jam) 5.842 1.518 1.065 0.848 0.716

0 0.0000 0.000 0.696 0.6961 0.2193 1.281 0.000 0.696 1.9772 1.1573 6.761 0.333 0.000 0.696 7.7903 3.0625 17.891 1.757 0.234 0.000 0.696 20.5784 6.1083 35.685 4.649 1.233 0.186 0.000 0.696 42.4495 10.4354 60.963 9.272 3.262 0.981 0.157 0.696 75.332

5.0 16.1638 94.429 15.841 6.505 2.597 0.829 0.696 120.8976 23.3999 136.702 24.537 11.114 5.180 2.193 0.696 180.4227 32.2400 188.346 35.521 17.214 8.849 4.374 0.696 255.0018 42.7722 249.875 48.940 24.921 13.707 7.472 0.696 345.6119 55.0781 321.767 64.928 34.336 19.843 11.573 0.696 453.143

10 0.1635 0.955 83.609 45.552 27.340 16.754 0.696 174.90611 0.0000 0.000 0.248 58.658 36.271 23.084 0.696 118.95712 0.0000 0.000 0.000 0.174 46.706 30.625 0.696 78.20213 0.0000 0.000 0.000 0.000 0.139 39.436 0.696 40.27114 0.0000 0.000 0.000 0.000 0.000 0.117 0.696 0.81315 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69622 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69623 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1f : Debit Banjir Kala Ulang 50 Tahun Daerah Aliran Sungai Kuantan



(jam) 6.994 1.818 1.275 1.015 0.858

0 0.0000 0.000 0.696 0.6961 0.2193 1.534 0.000 0.696 2.2302 1.1573 8.094 0.399 0.000 0.696 9.1893 3.0625 21.419 2.104 0.280 0.000 0.696 24.4994 6.1083 42.722 5.568 1.476 0.223 0.000 0.696 50.6845 10.4354 72.985 11.105 3.905 1.175 0.188 0.696 90.054

5.0 16.1638 113.049 18.971 7.788 3.108 0.993 0.696 144.6076 23.3999 163.659 29.386 13.305 6.200 2.628 0.696 215.8747 32.2400 225.487 42.541 20.609 10.592 5.241 0.696 305.1668 42.7722 299.149 58.612 29.835 16.406 8.954 0.696 413.6529 55.0781 385.217 77.760 41.106 23.751 13.869 0.696 542.398

10 0.1635 1.143 100.132 54.535 32.724 20.077 0.696 209.30711 0.0000 0.000 0.297 70.225 43.414 27.662 0.696 142.29412 0.0000 0.000 0.000 0.208 55.904 36.699 0.696 93.50813 0.0000 0.000 0.000 0.000 0.166 47.257 0.696 48.11914 0.0000 0.000 0.000 0.000 0.000 0.140 0.696 0.83715 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69622 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69623 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1g : Debit Banjir Kala Ulang 100 Tahun Daerah Aliran Sungai Kuantan



(jam) 8.310 2.160 1.515 1.206 1.019

0 0.0000 0.000 0.696 0.6961 0.2193 1.822 0.000 0.696 2.5192 1.1573 9.617 0.474 0.000 0.696 10.7873 3.0625 25.449 2.500 0.332 0.000 0.696 28.9774 6.1083 50.760 6.615 1.753 0.264 0.000 0.696 60.0895 10.4354 86.718 13.194 4.640 1.396 0.223 0.696 106.867

5.0 16.1638 134.321 22.540 9.254 3.693 1.179 0.696 171.6846 23.3999 194.453 34.914 15.810 7.367 3.121 0.696 256.3607 32.2400 267.915 50.544 24.488 12.585 6.224 0.696 362.4528 42.7722 355.437 69.638 35.451 19.493 10.634 0.696 491.3509 55.0781 457.699 92.388 48.844 28.220 16.471 0.696 644.318

10 0.1635 1.358 118.969 64.800 38.881 23.845 0.696 248.54911 0.0000 0.000 0.353 83.443 51.583 32.853 0.696 168.92912 0.0000 0.000 0.000 0.248 66.424 43.585 0.696 110.95313 0.0000 0.000 0.000 0.000 0.197 56.125 0.696 57.01814 0.0000 0.000 0.000 0.000 0.000 0.167 0.696 0.86315 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69616 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

17.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69618 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69619 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69620 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69621 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69622 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69623 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69624 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69625 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69626 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69627 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69628 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69629 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69630 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69631 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69632 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69633 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69634 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

35.0 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69636 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69637 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69638 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69639 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.69640 0.0000 0.000 0.000 0.000 0.000 0.000 0.696 0.696

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1h : Debit Banjir Kala Ulang 200 Tahun Daerah Aliran Sungai Rokan



(jam) #REF! #REF! #REF! #REF! #REF!

0 0.0000 #REF! 0.696 #REF!1 0.2193 #REF! #REF! 0.696 #REF!2 1.1573 #REF! #REF! #REF! 0.696 #REF!3 3.0625 #REF! #REF! #REF! #REF! 0.696 #REF!4 6.1083 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!5 10.4354 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

5.0 16.1638 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!6 23.3999 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!7 32.2400 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!8 42.7722 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!9 55.0781 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

10 0.1635 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!11 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!12 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!13 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!14 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!15 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!16 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

17.0 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!18 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!19 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!20 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!21 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!22 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!23 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!24 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!25 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!26 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!27 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!28 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!29 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!30 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!31 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!32 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!33 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!34 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

35.0 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!36 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!37 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!38 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!39 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!40 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

(m3/dt) (m3/dt) (m3/dt)


Lampiran 1i : Debit Banjir Kala Ulang 1000 Tahun Daerah Aliran Sungai Rokan



(jam) #REF! #REF! #REF! #REF! #REF!

0 0.0000 #REF! 0.696 #REF!1 0.2193 #REF! #REF! 0.696 #REF!2 1.1573 #REF! #REF! #REF! 0.696 #REF!3 3.0625 #REF! #REF! #REF! #REF! 0.696 #REF!4 6.1083 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!5 10.4354 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

5.0 16.1638 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!6 23.3999 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!7 32.2400 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!8 42.7722 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!9 55.0781 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

10 0.1635 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!11 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!12 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!13 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!14 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!15 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!16 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

17.0 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!18 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!19 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!20 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!21 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!22 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!23 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!24 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!25 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!26 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!27 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!28 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!29 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!30 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!31 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!32 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!33 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!34 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

35.0 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!36 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!37 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!38 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!39 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!40 0.0000 #REF! #REF! #REF! #REF! #REF! 0.696 #REF!

(m3/dt) (m3/dt) (m3/dt)

Curah Hujan Efektif : Analisa Mencari Nisbah / Ratio ( % ) Untuk Distribusi Hujan Jam-jamanMet. Log Pearson III

No. Kala Ulang RT R eff.

1 2 8.680 3.472 5 12.582 5.03

3 10 15.840 6.344 20 18.913 7.575 25 24.985 9.99 * Untuk T = 1

6 50 29.900 11.967 100 35.534 14.218 200 40.000 16.00 * Untuk T = 2

* Untuk T = 3

Ratio Mononobe :No. Waktu Hujan Ratio

Jam ke (%) * Untuk T = 4

1 0 - 1 58.482 1 - 2 15.20 * Untuk T = 5

3 2 - 3 10.664 3 - 4 8.495 4 - 5 7.17

100.00

Hujan rata-rata tiap jam.Distribusi Hujan Jam-jaman : Luas DAS ( A ) = 1 Curah hujan netto (efektif) dalam 1 hari (mm).

Panjang ( L ) = 1.5 km Intensitas hujan rata-rata dalam T jam (mm).t = Waktu konsentrasi hujan (diambil

Tinggi curah hujan pada jam ke T (mm).

T =

Kala Ulang 2 5 10 20 25 50 100 Intensitas hujan rata-rata sebelumnya [ dalamCurah Hujan Efektif 3.47 5.03 6.34 7.57 9.99 11.96 14.21 (t-1) jam (mm) ]. ===> berlanjut.Ratio (Persentase)

0.5848 2.029 2.942 3.708 4.427 5.842 6.994 8.3100.1520 0.527 0.765 0.964 1.151 1.518 1.818 2.1600.1066 0.370 0.536 0.676 0.807 1.065 1.275 1.5150.0849 0.295 0.427 0.538 0.643 0.848 1.015 1.2060.0717 0.249 0.361 0.455 0.543 0.716 0.858 1.019

RO = R24 / t .

Rt = RO.( t/T )2/3 .

RT = T.Rt - (T-1).R(t-1) .

RO =km2 R24 =

Rt =

RT =

Waktu mulai hujan (jam). ===> s/d Tpeak (Tp).

R(t-1) =

Analisa Mencari Nisbah / Ratio ( % ) Untuk Distribusi Hujan Jam-jaman

Data dari Hidrograf Satuan :

= 0.8848 Jam. ~~~> t = 5 Jam.

= 0.1635

Jam. ==> = / 5 * ( 5 / 1 = 0.58480

RT = 1 * 0.58480 - ( 1 - 1 ) * 0.00 = 0.58480

Jam. ==> = / 5 * ( 5 / 2 = 0.36840

RT = 2 * 0.36840 - ( 2 - 1 ) * 0.58480 = 0.15200

Jam. ==> = / 5 * ( 5 / 3 = 0.28114

RT = 3 * 0.28114 - ( 3 - 1 ) * 0.36840 = 0.10663

Jam. ==> = / 5 * ( 5 / 4 = 0.23208

RT = 4 * 0.23208 - ( 4 - 1 ) * 0.28114 = 0.08489

Jam. ==> = / 5 * ( 5 / 5 = 0.20000

RT = 5 * 0.20000 - ( 5 - 1 ) * 0.23208 = 0.07168

Hujan rata-rata tiap jam.Curah hujan netto (efektif) dalam 1 hari (mm).Intensitas hujan rata-rata dalam T jam (mm).Waktu konsentrasi hujan (diambil 5 Jam).Tinggi curah hujan pada jam ke T (mm).

Intensitas hujan rata-rata sebelumnya [ dalam (t-1) jam (mm) ]. ===> berlanjut.

R24 / t .

RO.( t/T )2/3 . TP

T.Rt - (T-1).R(t-1) . QP m3/det.

Rt R24 )2/3 R24 .

R24 R24 R24 .

Rt R24 )2/3 R24 .

R24 R24 R24 .

Rt R24 )2/3 R24 .

R24 R24 R24 .

Rt R24 )2/3 R24 .

R24 R24 R24 .

Rt R24 )2/3 R24 .

R24 R24 R24 .

Waktu mulai hujan (jam). ===> s/d Tpeak (Tp).

Tabel 4.6. Debit Banjir Rancangan Metode Nakayasu Daerah Aliran Sungai Rokan

T Q2 Q5 Q10 Q20 Q25 Q50 Q100

(jam)

0 0.696 0.696 0.696 0.696 0.696 0.696 0.6961 1.141 1.341 1.509 1.667 1.977 2.230 2.5192 3.160 4.269 5.199 6.072 7.790 9.189 10.7873 7.601 10.709 13.316 15.763 20.578 24.499 28.9774 15.197 21.724 27.199 32.338 42.449 50.684 60.089

5.000 26.618 38.285 48.072 57.259 75.332 90.054 106.8675.0 42.444 61.233 76.995 91.791 120.897 144.607 171.684

6 63.119 91.211 114.779 136.904 180.422 215.874 256.3607 89.023 128.772 162.120 193.427 255.001 305.166 362.4528 120.496 174.407 219.638 262.100 345.611 413.652 491.3509 157.847 228.565 287.896 343.599 453.143 542.398 644.318

10 61.217 88.452 111.304 132.769 174.906 209.307 248.54911 41.807 60.246 75.767 90.341 118.957 142.294 168.92912 27.655 39.743 49.900 59.469 78.202 93.508 110.95313 14.459 20.649 25.845 30.709 40.271 48.119 57.01814 0.737 0.755 0.771 0.785 0.813 0.837 0.86315 0.696 0.696 0.696 0.696 0.696 0.696 0.69616 0.696 0.696 0.696 0.696 0.696 0.696 0.696

17.0 0.696 0.696 0.696 0.696 0.696 0.696 0.69618 0.696 0.696 0.696 0.696 0.696 0.696 0.69619 0.696 0.696 0.696 0.696 0.696 0.696 0.69620 0.696 0.696 0.696 0.696 0.696 0.696 0.69621 0.696 0.696 0.696 0.696 0.696 0.696 0.69622 0.696 0.696 0.696 0.696 0.696 0.696 0.69623 0.696 0.696 0.696 0.696 0.696 0.696 0.69624 0.696 0.696 0.696 0.696 0.696 0.696 0.69625 0.696 0.696 0.696 0.696 0.696 0.696 0.69626 0.696 0.696 0.696 0.696 0.696 0.696 0.69627 0.696 0.696 0.696 0.696 0.696 0.696 0.69628 0.696 0.696 0.696 0.696 0.696 0.696 0.69629 0.696 0.696 0.696 0.696 0.696 0.696 0.69630 0.696 0.696 0.696 0.696 0.696 0.696 0.69631 0.696 0.696 0.696 0.696 0.696 0.696 0.69632 0.696 0.696 0.696 0.696 0.696 0.696 0.69633 0.696 0.696 0.696 0.696 0.696 0.696 0.69634 0.696 0.696 0.696 0.696 0.696 0.696 0.696

35.0 0.696 0.696 0.696 0.696 0.696 0.696 0.69636 0.696 0.696 0.696 0.696 0.696 0.696 0.69637 0.696 0.696 0.696 0.696 0.696 0.696 0.69638 0.696 0.696 0.696 0.696 0.696 0.696 0.69639 0.696 0.696 0.696 0.696 0.696 0.696 0.69640 0.696 0.696 0.696 0.696 0.696 0.696 0.696

(m3/dt) (m3/dt) (m3/dt) (m3/dt) (m3/dt) (m3/dt) (m3/dt)

0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.000

20

40

60

80

100

120

140

160

180

200

220

Waktu (Jam)

De

bit

(m3

/de

t)

Q 100

Q 50Q 25

Q 5

Q 2

Q 20

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