Stormwater Treatment & Water Quality Management Plan_April2014

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“se Bureau of Meteorology

Location

 

Label: Cooroy

Latitude: 26° 24' 26"
S)]

Longitude: 152° 54' 51"
(Nearest grid cell: 152.9125 (E)]

mm)

Rainfall depth for Durations, Exceedance per Year (EY), and Annual Exceedance Probabilities (AEP).

EY
Duration | aey | 50% | 20% | 10% | 5% | 2% | 1% |
1 min 2.7 3.1 4.2 a9| . 5.6 6.4 7.1|
22min 43, 5.4) 74, os} ioa; 119) 13.3
3 min 68) 76, 1oal 122; a4al 165] 48.4
4 min a 8.5. 96] 430| 193| i75| 20.5) 229
5 min | a03) dal «sel aso) Soe sanl a0
10min 16.1, 182] 245| 285| 324] 37.3/ 40.9
15 min | 204) 23.0 309| 36.0| 40.9| 47.0) 51.6
30 min : 28.9, 326] 439| 5ial see; 67.8| 74.7
ahour 393|  444|  603/ [email protected]| 95.7| 106.4]
2 hour | | 523; seal 62a| 97.8] 113.4] 134.5] 151.0]
3 hour | 61.61 70.4) 98.4, 118.0| 137.6] 164.3| 185.3
6 hour | sil 93.9, 134.3/ 162.8) 191.6) 231.0] 262.3
12 hour | 106.3/ 124.0| 1981.5| 222.5] 2641] 321.7, 367.6
| 24 hour | 134.9] 158.8] 237.6 294.8 353.6] 436.1| 502.8
Aa8hour 164.5. 194.4. 295.7, 371.2, 450.7, 564.9 659.8
72 hour | 481.6 2145] 327.8, 413.8) 505.7; 640.01 753.4
96 hour _ 194.2 229.1. 350.0 442.8 542.9 690.6 816.5
120 hour ‘| 204.9] 241.2) 367.61 465.2| 570.8) 727.5) 861.7
144 hour [214.8] 252.3) 383.1] 484.2) 593.7/ 756.2| 895.5|
168 hour | 2245] 263.2) 397.6, 501.3; 623.4] 779.5| 921.5

Brisbane Stormwater Management Pty Ltd Document File: ValkevSDF.Doc Page 22