Attachment 3 - Stormwater Management Plan

 

BOM IFDs Frequent and Infrequent Storm Events

REC2«

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Project number: 20220116 R
Street Address: 6 Martin St
Locality: Peregian Beach, NSC Date: 6/09/2022
Source Tittpy/mwwbom.gov.aul water/designRainfalls|revised-fdl
Location Latitude -26,46809522 a “AEP - Annual Exceedance Probability

Nearest Latitude 26.4625 (S) 2000, SEY Brcsedance per ear

Longitude 153.0978609

Nearest Longitude 153.0875 (E) 2000 |- tegend

as00 | ——» 1
Date obtained 6/09/2022 1000
70
‘Annual Exceedance
Probability (AEP)

Duration 3.20% 506k 20%" 10% 5% 2% 1%
Lmin 173 195 263 308 351 406 447
2 min 7] 166 229 272 315 374 421
3 min 138 156 214 254 293 346 387
4 min BI 149 203 239 215 322 358
5 min 125 12 193 227 259 302 334
10 min 102 116 155; 181 206 237 259
15 min 86.9 98 BI 153 174 200 219
20min 75.9 85.6 115 134 152 175 192
25 min 61.7 76.3 103 120 137 158 173
30 min 613 69.2 933 109 125 144 159
45 min 285 548 746 87.9 101 118 130
Lhour 40.7 46.2 63.3 749 86.3 101 113
15 hour 316 36 50 59.6 69.1 819 319]
2 hour 26.4 30.1 a2] 50.6 59 70.3 79.2
3 hour 20.4 23.5 33.3 40.3 a2 56.7 64.1
4.5 hour 159 18.4 26.4 32.1 37.8 45.6 518
(éhour 133 155 22.4 274 32.3 39.1 445 2b
9 hour 10.4 12.2 178 218 25.9 315 35.9
12 hour 8.78 10.3 15.1 186 22.1 26.9 30.8 os |
18 hour 6.86 8.04 119 147 176 215 247
24 hour 5.13 6.12 10 12.4 149 18.3 2
30 hour 4.36] 5.83 37] 108 B 16 18.4 og Fy
36 hour 44 5.16 712 9.61] 116 143 16.6
48 hour 3.62 424 6.36 7.93 9.58 7.9 Bg Thinutes Tours Loa
72 hour 217] 3.16 4.74] 5.94 721 9.07 10.6
96 hour 217 254 3.81 4.78 5.81 734 8.62 Duration
120 hour 1.82 213 3.19 4 4.88 6.16 7.24
144 hour 158 isd 2.75 a 42 53 6.22 ©Copyright Commonwealth of Australia 2016, Bureau of Meteorology (ABN 92 637 533 532)
168 hour 1:39 1.63 2.43 3.04 3.69 4.64 5.43