Attachment 1 - RECOR RFI Cover Letter Response_20210216

BOM IFDs Frequent and Infrequent Storm Events
Project number:                           20210216
Street Address:                           62 Gateway Drive
Locality:                                 Noosaville, NSC                                                                                                         Date:   26/09/2022

Source :                                  http://www.bom.gov.au/water/designRainfalls/revised-ifd/

Location:                                 Latitude                                   -26.457
                                          Nearest Latitude            26.4625 (S)
                                          Longitude                                  153.08
                                          Nearest Longitude           153.1125 (E)

Date obtained:                                      29/03/2022


                                           Annual Exceedance
                                            Probability (AEP)
Duration                                         63.20%                       50%#              20%*           10%          5%           2%          1%
1 min                                                          170                       193            262           306         349          403         444
2 min                                                          144                       164            227           270         312          369         414
3 min                                                          136                       154            212           252         290          342         381
4 min                                                          129                       147            201           237         272          319         354
5 min                                                          124                       140            191           225         257          299         331
10 min                                                         101                       114            154           180         204          235         258
15 min                                                        85.7                      96.9            131           152         173          199         217
20 min                                                        74.8                      84.6            114           133         151          174         191
25 min                                                        66.7                      75.4            102           119         136          157         172
30 min                                                        60.4                      68.3           92.6           109         124          143         158
45 min                                                        47.7                      54.2              74         87.2         100          117         129
1 hour                                                        40.1                      45.6           62.7          74.3        85.5          100         112
1.5 hour                                                      31.1                      35.5           49.5            59        68.4           81        90.7
2 hour                                                           26                     29.8           41.8          50.1        58.3         69.5        78.1
3 hour                                                        20.2                      23.2              33         39.8        46.7           56        63.2
4.5 hour                                                      15.7                      18.2           26.2          31.8        37.4         45.1        51.2
6 hour                                                        13.2                      15.3           22.2          27.1           32        38.7           44
9 hour                                                        10.3                         12          17.7          21.6        25.7         31.2        35.6
12 hour                                                       8.68                      10.2              15         18.4        21.9         26.7        30.5
18 hour                                                       6.78                      7.96           11.8          14.6        17.5         21.4        24.5
24 hour                                                       5.67                      6.65           9.93          12.3        14.8         18.2        20.9
30 hour                                                       4.91                      5.76           8.63          10.7        12.9         15.9        18.4
36 hour                                                       4.35                      5.11           7.66          9.55        11.5         14.3        16.5
48 hour                                                       3.57                      4.19             6.3         7.88        9.55         11.9        13.9
72 hour                                                       2.66                      3.12             4.7         5.91          7.2        9.05        10.6
96 hour                                                       2.14                        2.5          3.77          4.75          5.8        7.33          8.6
120 hour                                                        1.8                       2.1          3.16          3.98        4.86         6.15        7.23
144 hour                                                      1.55                      1.82           2.72          3.43        4.19         5.29          6.2
168 hour                                                      1.37                        1.6            2.4         3.02        3.68         4.62        5.41


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BOM IFDs Frequent and Infrequent Storm Events

Project number:

20210216

REC:<R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Street Address: 62 Gateway Drive
Locality: Noosaville, NSC Date: 26/09/2022
‘Source = http://www.bom.gov.au/water/designRainfalls/revised-ifd/
Location: Latitude -26.457 Intensity
Nearest Latitude 26.4625 (5) (mmm) AED pemun| Exceedante Prbatiiey
Longitude 153.08 a0.
Nearest Longitude 153.1125 (E) sais. - - iegend |
Date obtained: 29/03/2022 Bey ; - |]
1000 F ; “ mom %. 1
750 | - a i
Annual Exceedance | 7 - i = se ||
Probability (AEP)
Duration 63.20% 50% 20%* 10% 5% 2% 1%
170] 193 262 306 349 403} aaa
144 164 227 270| 312 369 aa
136 154 212 252 230| 342 381
129 147 201 237 272 319 354
124 140] 191 225 257 239 331
101 114 154 180] 204 235 258
35.7] 96.5] 331 152 173 199 247
7438 84.6 114 133 151 374 191
66.7] 75.4 102 119 136 457 172
60.4] 68.3 92.6| 109 124 143 158
[45 min 477] 54.2] 74 37. 100] 117 129
hour 40.1) 45.6) 62.7| 74.3) 85.5) 100] 112)
1.5 hour 31.1 35.5) 49.5) 59] 68.4) 81 90.7)
2 hour 26) 29.8) 41.8) 50.1) 58.3] 69.5) 78.1)
3 hour 20.2) 23.2) 33] 39.8) 46.7) 56) 63.2|
4.5 hour 15.7) 18.2) 26.2) 31.8) 37.4) 45.1) $1.2)
(6 hour 13.2) 15.3) 22.2) 27.1) 32| 38.7) 44)
{9 hour 10.3) 12) 17.7) 21.6) 25.7) 31.2) 35.6) mT - £ - we rer]
12 hour 8.68) 10.2) 1s) 18.4) 21.9) 26.7) 30.5)
18 hour 6.78) 7.96) 11.8) 14.6) 17.5) 21.4) 24.5) ony 7 - pee aa
24 hour 5.67| 6.65) 9.93] 12.3) 14.8) 18.2) 20.9)
30 hour, 491) 5.76) 8.63] 10.7) 12.9) 15.9) 18.4)
36 hour 4.35 Sal 7.66 955 as 143 165 ow ——— —t!
48 hour 3.57| 4.19) 6.3 7.88) 9.55) 11.9) 13.9)
72 hour, 2.66) 3.12) 47 5.91 72 9.05) 10.6) minutes: hours days
96 hour 2.14) 25 3.77] 4.75) 58 7.33) 8.6
120 hour 1.3] 21 3.16) 3.98) 4.86) 6.15) 7.23) Duration
144 hour 1.55) 1.82) 2.72| 3.43) 4.19) 5.29] 6.2
268 hour 137) 16 2.4) 3.02) 3.68) 4.62) 5.41) ©Copyright Commonwealth of Australia 2016, Bureau of Meteorology (ABN 92 637 533 532)