Minnegang Creek Flood Study Report - Wollongong City Council

Mannings n 0.025 0.025 0.025 0.025 0.02 0.05% impervious 5 5 5 10 5 5Initial loss 15 35 10 15 15 15Continuing loss 2.5 2.5 0 2.5 2.5 2.5MH68 12.56 7.27 13.05 13.22 13.56 10.21MH69A 17.47 10.10 18.13 18.17 18.44 14.86MH70 17.62 10.18 18.29 18.31 18.57 15.02MH72 0.62 0.39 0.63 0.64 0.65 0.53MH76 0.66 0.42 0.67 0.68 0.69 0.57MH77 18.56 10.70 19.25 19.17 19.47 16.05MH78 17.96 10.37 18.64 18.62 18.87 15.38MH79 18.88 10.90 19.59 19.48 19.80 16.43MH80 18.93 10.93 19.64 19.53 19.85 16.48MH87 0.56 0.31 0.57 0.59 0.60 0.45MH94 0.31 0.16 0.32 0.33 0.34 0.24MH95 0.29 0.15 0.29 0.31 0.32 0.22MH96 0.25 0.13 0.25 0.26 0.27 0.19MH98 1.29 0.71 1.33 1.35 1.38 1.05MH99 1.33 0.74 1.37 1.40 1.43 1.09MHA 1.05 0.68 1.07 1.09 1.10 0.91MHB 1.31 0.84 1.33 1.35 1.36 1.11MHC 10.76 6.13 11.14 11.38 11.70 8.43MHD 11.16 6.46 11.56 11.81 12.11 8.87MHE 11.33 6.59 11.79 11.99 12.27 9.09MHF 19.02 11.01 19.73 19.62 19.93 16.60MHG 21.75 13.07 22.69 22.24 22.45 19.91SUMMARY RAFTS OUTPUT1% AEP 2 HOUR STORM EVENTLink Average Init. Loss Cont. Loss Excess Rain Peak Time LinkLabel Intensity #1 #2 #1 #2 #1 #2 Inflow to Lag(mm/h) ( mm ) (mm/h) ( mm ) (m^3/s) Peak (mins)MH001A 67.500 15.00 1.500 2.500 .0000 115.62 133.50 .5126 35.00 .0000MH60 67.500 15.00 1.500 2.500 .0000 115.62 133.50 1.200 35.00 .0000MH54 67.500 15.00 1.500 2.500 .0000 115.62 133.50 1.748 35.00 .0000MH56 67.500 15.00 1.500 2.500 .0000 115.62 133.50 .5445 35.00 .0000MH53 67.500 15.00 1.500 2.500 .0000 115.62 133.50 3.240 35.00 .0000MH50 67.500 15.00 1.500 2.500 .0000 115.62 133.50 .8346 34.00 .0000MH50A 67.500 15.00 1.500 2.500 .0000 115.62 133.50 5.344 35.00 .0000MH52 67.500 15.00 1.500 2.500 .0000 115.62 133.50 5.439 35.00 .0000MH46 67.500 15.00 1.500 2.500 .0000 115.62 133.50 1.140 34.00 .0000MH48 67.500 15.00 1.500 2.500 .0000 115.62 133.50 1.752 34.00 .0000MH52C 67.500 15.00 1.500 2.500 .0000 115.62 133.50 8.506 35.00 .0000MH43 67.500 15.00 1.500 2.500 .0000 115.62 133.50 .9270 35.00 .0000SV8507-DO-001 Rev 2 D-618/10/02