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IFD Design Rainfall Coefficients Site address: 65 & 67 Elanda Street, Sunshine Beach Noosa Shire Council Property description: Lots 410 & 411 on RP48112 Requested coordinate: Latitude 27.4 (S) Longitude 153.04 (E) ARR - 2016 Coefficient 63% AEP 50%AEP 20% AEP 10%AEP 5%AEP 2%AEP 1%AEP C0 1.0538857 1.1745701 1.4723595 1.6284206 1.7573175 1.9015659 1.9967048 C1 0.63679951 0.65174001 0.72049963 0.77647883 0.83465379 0.92833638 1.0022286 C2 0.27434415 0.25990281 0.1848782 0.12120537 0.05416505 -0.056074474 -0.14335568 C3 -0.14603339 -0.14170438 -0.11363167 -0.088308193 -0.061162315 -0.015204149 0.021360066 C4 0.02794374 0.027491285 0.022896551 0.018394478 0.013459722 0.004797935 -0.002129898 C5 -0.002379872 -0.002367362 -0.002014163 -0.00163696 -0.001214746 -0.000447988 0.000167651 C6 7.54E-05 7.56E-05 6.51E-05 5.29E-05 3.90E-05 1.31E-05 -7.74E-06 DepthP = e^(C0 + C1 ln(T) + C2 ln(T)2 + C3 ln(T)3 + C4 ln(T)4 + C5 ln(T)5 + C6 ln(T)6) T unit: minutes I Unit: mm/hour Rainfall Intensity: 63% AEP 50%AEP 20% AEP 10%AEP 5%AEP 2%AEP 1%AEP Intensity (5 minutes) 125.038 141.329 191.529 224.863 256.914 298.724 330.213 Intensity (10 minutes) 102.144 115.110 154.326 179.763 203.770 234.115 256.394 Intensity (20 minutes) 75.719 85.287 114.292 133.156 150.997 173.651 190.332 Intensity (25 minutes) 67.530 76.108 102.231 119.321 135.560 156.338 171.735 Intensity (30 minutes) 61.177 69.000 92.938 108.694 123.737 143.130 157.589 Intensity (45 minutes) 48.444 54.779 74.411 87.537 100.227 116.884 129.500 Intensity (60 minutes) 40.715 46.155 63.173 74.687 85.921 100.847 112.278 Intensity (90 minutes) 31.664 36.052 49.948 59.498 68.931 81.636 91.503 Intensity (120 minutes) 26.445 30.215 42.249 50.599 58.909 70.177 78.996 Intensity (180 minutes) 20.533 23.586 33.414 40.308 47.229 56.661 64.101 Rainfall depth: 63% AEP 50%AEP 20% AEP 10%AEP 5%AEP 2%AEP 1%AEP Depth (5 minutes) 10.420 11.777 15.961 18.739 21.409 24.894 27.518 Depth (10 minutes) 17.024 19.185 25.721 29.960 33.962 39.019 42.732 Depth (20 minutes) 25.240 28.429 38.097 44.385 50.332 57.884 63.444 Depth (25 minutes) 28.138 31.712 42.596 49.717 56.483 65.141 71.556 Depth (30 minutes) 30.588 34.500 46.469 54.347 61.869 71.565 78.795 Depth (45 minutes) 36.333 41.084 55.808 65.653 75.171 87.663 97.125 Depth (60 minutes) 40.715 46.155 63.173 74.687 85.921 100.847 112.278 Depth (90 minutes) 47.496 54.077 74.921 89.247 103.397 122.454 137.254 [OCR of page images] IFD Design Rainfall Coefficients Site address: Property description: 65 & 67 Elanda Street, Sunshine Beach Lots 410 & 411 on RP48112 Noosa Shire Council Requested coordinate: Latitude 27.4 (S) Longitude 153.04 (E) ARR - 2016 Coefficient 63% AEP SO%AEP 20% AEP 10%AEP S%AEP 2%AEP 1%AEP co 1.0538857 1.1745701 1.4723595 1.6284206 1.7573175 1.9015659 1.9967048 c1 0.63679951 0.65174001 0.72049963 0.77647883| 0.83465379 0.92833638 1.0022286 c2 0.27434415 0.25990281 0.1848782 0.12120537] 0.05416505 -0.056074474] -0.14335568 c3 -0.14603339 -0.14170438 -0.11363167| -0.088308193] -0.061162315 -0.015204149| 0.021360066 c4 0.02794374 0.027491285| 0.022896551} 0.018394478] 0.013459722 0.004797935] -0.002129898 cs -0.002379872} -0.002367362] -0.002014163} -0.00163696] -0.001214746 -0.000447988] 0.000167651 cé 7.54E-05 7.56E-05 6.51E-05 5.29E-05 3.90E-05 1.31E-05 -7.74E-06 Depthp = e*(CO + C1 In(T) + C2 In(T)2 + C3 In(T)3 + C4 In(T)4 + C5 In(T)5 + C6 In(T)6) T unit:|minutes 1 Unit:|mm/hour Rainfall Intensity: 63% AEP SO%AEP 20% AEP 10%AEP S%AEP 2%AEP 1%AEP Intensity (5 minutes) 125.038 141.329 191.529 224.863 256.914 298.724 330.213 Intensity (10 minutes) 102.144 115.110 154.326 179.763 203.770 234.115 256.394 Intensity (20 minutes) 75.719 85.287 114.292 133.156 150.997 173.651 190.332 Intensity (25 minutes) 67.530 76.108 102.231 119.321 135.560 156.338 171.735 Intensity (30 minutes) 61.177 69.000 92.938 108.694 123.737 143.130 157.589 Intensity (45 minutes) 48.444 54.779 74.411 87.537 100.227 116.884 129.500 Intensity (60 minutes) 40.715 46.155 63.173 74.687 85.921 100.847 112.278 Intensity (90 minutes) 31.664 36.052 49.948 59.498 68.931 81.636 91.503 Intensity (120 minutes) 26.445 30.215 42.249 50.599 58.909 70.177 78.996 Intensity (180 minutes) 20.533 23.586 33.414 40.308 47.229 56.661 64.101 Rainfall depth: 63% AEP SO%AEP 20% AEP 10%AEP S%AEP 2%AEP 1%AEP Depth (5 minutes) 10.420 11.777 15.961 18.739 21.409 24.894 27.518 Depth (10 minutes) 17.024 19.185 25.721 29.960 33.962 39.019 42.732 Depth (20 minutes) 25.240 28.429 38.097 44.385 50.332 57.884 63.444 Depth (25 minutes) 28.138 31.712 42.596 49.717 56.483 65.141 71.556 Depth (30 minutes) 30.588 34.500 46.469 54.347 61.869 71.565 78.795 Depth (45 minutes) 36.333 41.084 55.808 65.653 75.171 87.663 97.125 Depth (60 minutes) 40.715 46.155 63.173 74.687 85.921 100.847 112.278 Depth (90 minutes) 47.496 54.077 74.921 89.247 103.397 122.454 137.254
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