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Site Based Stormwater Managment Plan
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Log in to see the plans as drawnCopyright Commonwealth of Australia 2016 Bureau of Meteorology (ABN 92 637 533 532)
IFD Design Rainfall Intensity (mm/h)
Issued: 27-Nov-20
Location Label:
Requested Latitude
coordinate: -26.40668 Longitude 153.0497
Nearest gridLatitude
cell: 26.4125 (S) Longitude 153.0375 (E)
Annual Exceedance Probability (AEP)
Duration Duration in min 63.20% 50% 20% 10% 5% 2% 1%
1 min 1 170 193 262 306 349 403 444
2 min 2 144 164 227 270 312 369 414
3 min 3 136 154 212 252 290 342 381
4 min 4 129 147 201 237 272 319 354
5 min 5 124 140 191 225 257 299 331
10 min 10 101 114 154 180 204 235 258
15 min 15 85.7 96.9 131 152 173 199 217
20 min 20 74.8 84.6 114 133 151 174 191
25 min 25 66.7 75.4 102 119 136 157 172
30 min 30 60.4 68.3 92.6 109 124 143 158
45 min 45 47.7 54.2 74 87.2 100 117 129
1 hour 60 40.1 45.6 62.7 74.3 85.5 100 112
1.5 hour 90 31.1 35.5 49.5 59 68.4 81 90.7
2 hour 120 26 29.8 41.8 50.1 58.3 69.5 78.1
3 hour 180 20.2 23.2 33 39.8 46.7 56 63.2
4.5 hour 270 15.7 18.2 26.2 31.8 37.4 45.1 51.2
6 hour 360 13.2 15.3 22.2 27.1 32 38.7 44
9 hour 540 10.3 12 17.7 21.6 25.7 31.2 35.6
12 hour 720 8.68 10.2 15 18.4 21.9 26.7 30.5
18 hour 1080 6.78 7.96 11.8 14.6 17.5 21.4 24.5
24 hour 1440 5.67 6.65 9.93 12.3 14.8 18.2 20.9
30 hour 1800 4.91 5.76 8.63 10.7 12.9 15.9 18.4
36 hour 2160 4.35 5.11 7.66 9.55 11.5 14.3 16.5
48 hour 2880 3.57 4.19 6.3 7.88 9.55 11.9 13.9
72 hour 4320 2.66 3.12 4.7 5.91 7.2 9.05 10.6
96 hour 5760 2.14 2.5 3.77 4.75 5.8 7.33 8.6
120 hour 7200 1.8 2.1 3.16 3.98 4.86 6.15 7.23
144 hour 8640 1.55 1.82 2.72 3.43 4.19 5.29 6.2
168 hour 10080 1.37 1.6 2.4 3.02 3.68 4.62 5.41
[OCR of page images]
Copyright Commonwealth of Australia 2016 Bureau of Meteorology (ABN 92 637 533 532)
IFD Design Rainfall Intensity (mm/h)
Issued: 27-Nov-20
Location Label:
Requested Latitude
Nearest griLatitude
Annual Exceedance Probability (AEP)
63.20%
Duration Duration in min
1 min 1
2 min 2
3 min 3
4 min 4
5 min 5
10 min 10
15 min 15
20 min 20
25 min 25
30 min 30
45 min 45
1 hour 60
1.5 hour 90
2 hour 120
3 hour 180
4.5 hour 270
6 hour 360
9 hour 540
12 hour 720
18 hour 1080
24 hour 1440
30 hour 1800
36 hour 2160
48 hour 2880
72 hour 4320
96 hour 5760
120 hour 7200
144 hour 8640
168 hour 10080
26.4125 (S)
170
144
136
129
124
101
85.7
74.8
66.7
60.4
47.7
40.1
31.1
26
20.2
15.7
13.2
10.3
8.68
6.78
5.67
4.91
4.35
3.57
2.66
2.14
1.8
1.55
1.37
-26.40668 Longitude
Longitude 153.0375 (E)
50%
193
164
154
147
140
114
96.9
84.6
75.4
68.3
54.2
45.6
35.5
29.8
23.2
18.2
15.3
12
10.2
7.96
6.65
5.76
5.11
4.19
3.12
2.5
2.1
1.82
1.6
153.0497
20%
262
227
212
201
191
154
131
114
102
92.6
74
62.7
49.5
41.8
33
26.2
22.2
17.7
15
11.8
9.93
8.63
7.66
6.3
4.7
3.77
3.16
2.72
2.4
10%
306
270
252
237
225
180
152
133
119
109
87.2
74.3
59
50.1
39.8
31.8
27.1
21.6
18.4
14.6
12.3
10.7
9.55
7.88
5.91
4.75
3.98
3.43
3.02
5%
349
312
290
272
257
204
173
151
136
124
100
85.5
68.4
58.3
46.7
37.4
32
25.7
21.9
17.5
14.8
12.9
11.5
9.55
7.2
5.8
4.86
4.19
3.68
2%
403
369
342
319
299
235
199
174
157
143
117
100
81
69.5
56
45.1
38.7
31.2
26.7
21.4
18.2
15.9
14.3
11.9
9.05
7.33
6.15
5.29
4.62
1%
444
414
381
354
331
258
217
191
172
158
129
112
90.7
78.1
63.2
51.2
44
35.6
30.5
24.5
20.9
18.4
16.5
13.9
10.6
8.6
7.23
6.2
5.41
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