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2014022_71_SeaviewTce_SWMP-revC_full · OPW16/0021
From the archive OPW16/0021- Response - Civil Plans. File date in the archive: 2016-05-16 04:05.
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IFD Table Generator 3
Rainfall Intensity in mm/h for various durations and Average Recurrence Intervals for
Tewantin
AVERAGE RECURRENCE INTERVAL (years)
DURATION 1 2 5 10 20 50 100 200 500
5 min 5 129 163 201 223 253 292 322 352 393
6 min 6 121 153 189 209 238 275 303 331 370
10 min 10 99 126 156 173 196 227 251 274 307
15 min 15 83 106 131 145 165 192 212 232 260
20 min 20 72 92 115 127 145 168 186 204 228
25 min 25 65 83 103 114 130 151 167 184 206
30 min 30 59 75 94 104 119 138 153 168 188
45 min 45 47.5 61 76 84 96 112 124 137 153
1 hour 60 40.4 52 65 72 83 96 107 117 132
1.5 hours 90 31.1 39.9 51 57 66 77 86 95 108
2 hours 120 25.7 33.1 42.6 48.3 56 66 74 82 93
3 hours 180 19.6 25.4 33.2 38.0 44.3 53 59 66 76
4.5 hours 270 14.9 19.4 25.8 29.8 35.0 42.0 47.6 53 61
6 hours 360 12.2 16.1 21.6 25.1 29.6 35.8 40.7 45.8 53
9 hours 540 9.33 12.3 16.9 19.7 23.5 28.6 32.7 36.9 42.9
12 hours 720 7.70 10.2 14.1 16.6 19.9 24.4 28.0 31.7 37.1
18 hours 1080 6.07 8.08 11.3 13.3 16.0 19.6 22.6 25.7 30.1
24 hours 1440 5.13 6.83 9.57 11.4 13.6 16.8 19.4 22.1 25.9
30 hours 1800 4.48 5.98 8.41 10.0 12.0 14.9 17.2 19.6 23.0
36 hours 2160 4.00 5.35 7.55 9.00 10.9 13.4 15.5 17.7 20.9
48 hours 2880 3.34 4.47 6.34 7.58 9.16 11.4 13.2 15.1 17.8
72 hours 4320 2.53 3.40 4.86 5.84 7.09 8.84 10.3 11.8 13.9
Note: 200 and 500 years are simple log-log extrapolations and not in accordance with AR&R
Z:\AquaIntel Projects\2014022_Seaview_Tce_SWMP\hydrology\Rational Method_Seaview.xls 9/26/2014 12:03 PM
[OCR of page images]
IFD Table Generator
Rainfall Intensity in mm/h for various durations and Average Recurrence Intervals for
Tewantin
AVERAGE RECURRENCE INTERVAL (years)
DURATION 1 5) 10 20 50. 100 200 500
5 min 5 129 163 201 223 253 292 322 352 393
6 min 6 121 153 189 209 238 275 303 331 370
10 min 10 99 126 156 173 196 227 251 274 307
15 min 15 83 106 131 145 165 192 212 232 260
20 min 20 72 92 115 127 145 168 186 204 228
25 min 25 65 83 103 114 130 151 167 184 206
30 min 30 59 75 94 104 119 138 153 168 188
45 min 45 47.5 61 76 84 96 112 124 137 153
1 hour 60 40.4 52 65 72 83 96 107 117 132
1.5 hours 90 31.1 39.9 51 57 66 77 86 95 108
2 hours 120 25.7 33.1 42.6 48.3 56 66 74 82 93
3 hours 180 19.6 25.4 33.2 38.0 44.3 53 59 66 76
4.5 hours 270 14.9 19.4 25.8 29.8 35.0 42.0 47.6 53. 61
6 hours 360 12.2 16.1 21.6 25.1 29.6 35.8 40.7 45.8 53
9 hours 540 9.33 12.3 16.9 19.7 23.5 28.6 32.7 36.9 42.9
12 hours 720 7.70 10.2 14.1 16.6 19.9 24.4 28.0 31.7 37.1
18 hours 1080 6.07 8.08 11.3 13.3 16.0 19.6 22.6 25.7 30.1
24 hours 1440 5.13 6.83 9.57 11.4 13.6 16.8 19.4 22.1 25.9
30 hours 1800 448 5.98 8.41 10.0 12.0 14.9 17.2 19.6 23.0
36 hours 2160 4.00 5.35 7.55 9.00 10.9 13.4 15.5 17.7 20.9
48 hours 2880 3.34 4.47 6.34 7.58 9.16 11.4 13.2 15.1 17.8
72 hours 4320 2.53 3.40 4.86 5.84 7.09 8.84 10.3 11.8 13.9
Note: 200 and 500 years are simple log-log extrapolations and not in accordance with AR&R
Z:\AqualIntel Projects\2014022_Seaview_Tce_SWMP\hydrology\Rational Method_Seaview.xls
9/26/2014 12:03 PM
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