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SUPERSEDED - Complied Approved Plan - 132005.638.03
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Log in to see the plans as drawnRATIONAL METHOD SUMMARY & RAINFALL DATA Project: Location: Design Rainfall Depths (mm) J00352_Noosa_Landfill_RRA_Flood_Assessment Northern Site Outlet Duration 63.2% 50% 20% 10% 5% 2% 1% Duration (minutes) AEP AEP AEP AEP AEP AEP AEP 1 min 1 2.85 3.22 4.36 5.11 5.82 6.73 7.40 2 min 2 4.82 5.48 7.56 8.99 10.40 12.30 13.80 3 min 3 6.81 7.73 10.60 12.60 14.50 17.10 19.10 4min 4 8.64 9.80 13.40 15.80 18.20 21.30 23.60 5 min 5 10.30 11.70 15.90 18.70 21.40 24.90 27.60 10 min 10 16.90 19.10 25.70 30.00 34.10 39.20 43.00 15 min 15 21.50 24.20 32.60 38.10 43.20 49.60 54.40 20 min 20 25.00 28.20 38.00 44.40 50.40 58.10 63.70 25 min 9) 27.80 31.50 42.50 49.70 56.50 65.30 71.70 30 min 30 30.20 34.20 46.30 54.20 61.80 71.60 78.90 45 min 45 35.90 40.60 55.50 65.30 74.90 87.40 96.90 1 hour 60 40.20 45.60 62.70 74.20 85.40 100.00 112.00 1.5 hour 90 46.80 53.40 74.20 88.40 103.00 121.00 136.00 2 hour 120 52.10 59.60 83.60 100.00 117.00 139.00 156.00 3 hour 180 60.60 69.70 99.00 119.00 140.00 168.00 190.00 4.5 hour 270 70.80 81.90 118.00 143.00 168.00 203.00 230.00 6 hour 360 79.30 92.10 133.00 163.00 192.00 232.00 264.00 9 hour 540 93.20 109.00 159.00 195.00 231.00 281.00 320.00 12 hour 720 105.00 122.00 180.00 222.00 264.00 321.00 367.00 18 hour 1080 122.00 144.00 213.00 264.00 315.00 386.00 | 442.00 24 hour 1440 136.00 160.00 239.00 296.00 356.00 | 437.00 503.00 30 hour 1800 148.00 173.00 260.00 323.00 389.00 | 480.00 553.00 36 hour 2160 157.00 184.00 277.00 345.00 | 416.00 516.00 597.00 48 hour 2880 172.00 202.00 304.00 380.00 | 460.00 574.00 667.00 72 hour 4320 192.00 225.00 340.00 | 427.00 520.00 654.00 766.00 96 hour 5760 206.00 241.00 363.00 | 458.00 559.00 706.00 829.00 120 hour 7200 216.00 253.00 381.00 | 479.00 586.00 741.00 871.00 144 hour 8640 225.00 262.00 394.00 | 496.00 606.00 765.00 898.00 168 hour 10080 232.00 271.00 | 406.00 509.00 621.00 781.00 914.00 Catchment Data Details: Northern Site Outlet Variable Value Units Area: 37.00 ha C10 0.70 fraction Rational Method Summary Time of Concentration (tc) 34.0 _ Minutes (or 0.57 hours) 63.2% 50% 20% 10% 5% 2% 1% Variable AEP AEP AEP AEP AEP AEP AEP Freq Factor 0.80 0.85 0.95 1.00 1.05 1.15 1.20 Intensity (mm/hr) 56.22 63.63 86.41 101.31 115.73 134.37 148.35 Discharge (m3/s) 3.24 3.89 5.91 7.29 8.75 11.13 12.82
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