Minnegang Creek Flood Study Report - Wollongong City Council

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BRANCH CHAINAGE PMF 1% AEP 2% AEP 5% AEP 20% AEPMINNEGAN 0.803 27.43 27.05 27.02 26.98 26.88MINNEGAN 0.813 26.67 26.54 26.51 26.49 26.43MINNEGAN 0.835 23.09 22.81 22.75 22.67 22.42MINNEGAN 0.835 23.09 22.81 22.75 22.67 22.42MINNEGAN 0.879 22.04 21.62 21.56 21.48 21.21MINNEGAN 0.887 21.93 21.56 21.49 21.42 21.14MINNEGAN 0.887 21.93 21.56 21.49 21.42 21.14MINNEGAN 0.996 20.29 19.85 19.79 19.72 19.50MINNEGAN 0.996 20.29 19.85 19.79 19.72 19.50MINNEGAN 1.009 20.08 19.68 19.62 19.55 19.41MINNEGAN 1.009 20.08 19.68 19.62 19.55 19.41MINNEGAN 1.057 18.06 17.74 17.68 17.62 17.51MINNEGAN 1.066 17.43 17.16 17.12 17.07 16.98MINNEGAN 1.086 15.09 14.29 14.14 14.01 13.79MINNEGAN 1.086 15.09 14.29 14.14 14.01 13.79MINNEGAN 1.131 14.81 13.97 13.85 13.73 13.56MINNEGAN 1.131 14.81 13.97 13.85 13.73 13.56MINNEGAN 1.225 13.03 11.86 11.66 11.43 11.02MINNEGAN 1.267 12.82 11.69 11.50 11.27 10.86MINNEGAN 1.308 12.64 11.57 11.39 11.17 10.77MINNEGAN 1.308 12.64 11.57 11.39 11.17 10.77MINNEGAN 1.335 12.57 11.53 11.35 11.13 10.76MINNEGAN 1.335 12.57 11.53 11.35 11.13 10.76MINNEGAN 1.339 10.68 9.68 9.54 9.38 9.11MINNEGAN 1.339 10.68 9.68 9.54 9.38 9.11MINNEGAN 1.382 10.04 9.05 8.91 8.75 8.49MINNEGAN 1.406 9.74 8.85 8.72 8.58 8.38MINNEGAN 1.513 7.84 6.97 6.78 6.58 6.24MINNEGAN 1.545 7.13 6.26 6.11 5.94 5.66MINNEGAN 1.584 6.56 5.74 5.61 5.41 4.95MINNEGAN 1.631 5.86 5.09 4.92 4.76 4.32MINNEGAN 1.682 4.98 4.37 4.19 4.01 3.68MINNEGAN 1.747 4.46 3.71 3.58 3.43 3.20MINNEGAN 1.747 4.46 3.71 3.58 3.43 3.20MINNEGAN 1.818 4.05 3.26 3.13 3.00 2.82MINNEGAN 1.836 3.91 3.18 3.06 2.94 2.78MINNEGAN 1.902 3.61 2.99 2.91 2.83 2.73SV8507-DO-001 Rev 2 F-218/10/02
BRANCH CHAINAGE PMF 1% AEP 2% AEP 5% AEP 20% AEPMINNEGAN 1.960 3.36 2.90 2.85 2.80 2.72MINNEGAN 1.960 3.36 2.90 2.85 2.80 2.72MINNEGAN 1.980 3.35 2.89 2.85 2.80 2.72MINNEGAN 1.980 3.35 2.89 2.85 2.80 2.72MINNEGAN 1.988 3.35 2.89 2.85 2.80 2.72MINNEGAN 2.017 3.34 2.88 2.84 2.79 2.72MINNEGAN 2.029 3.32 2.88 2.84 2.79 2.72MINNEGAN 2.029 3.32 2.88 2.84 2.79 2.72MINNEGAN 2.037 3.24 2.31 2.04 1.82 1.44MINNEGAN 2.037 3.24 2.31 2.04 1.82 1.44MINNEGAN 2.048 3.24 2.30 2.03 1.81 1.40LAKEWEIR 0.529 30.63 30.36 30.32 30.29 30.22LAKEWEIR 0.554 29.11 28.70 28.63 28.58 28.45MELINDA 0.000 50.14 50.11 50.10 50.10 50.09MELINDA 0.045 44.93 44.88 44.87 44.86 44.85MELINDA 0.102 41.32 41.21 41.19 41.18 41.15MELINDA 0.117 41.32 41.21 41.19 41.17 41.14MELINDA 0.117 41.32 41.21 41.19 41.17 41.14MELINDA 0.212 33.96 33.84 33.82 33.80 33.76MELINDA 0.274 31.95 31.85 31.83 31.80 31.74MELINDA 0.282 31.45 31.38 31.37 31.36 31.35MELINDA 0.282 31.45 31.38 31.37 31.36 31.35MELINDA 0.328 30.21 30.11 30.10 30.09 30.06MELINDA 0.384 28.79 28.69 28.68 28.67 28.65MELINDA 0.427 27.44 27.06 27.03 26.98 26.89MELINDA 0.467 27.43 27.06 27.03 26.98 26.89MELINDA 0.514 27.43 27.06 27.03 26.98 26.89RANCHBY1 0.000 48.25 48.17 48.16 48.15 48.12RANCHBY1 0.045 45.34 45.25 45.24 45.23 45.21RANCHBY1 0.053 45.04 45.00 44.99 44.99 44.97RANCHBY1 0.098 42.41 42.31 42.28 42.26 42.21RANCHBY2 0.000 43.86 43.85 43.84 43.84 43.84RANCHBY2 0.044 41.77 41.64 41.62 41.60 41.56RANCHBY2 0.052 41.67 41.57 41.55 41.54 41.49RANCHBY2 0.104 39.49 39.29 39.25 39.21 39.13RANCHBY3 0.000 47.68 47.63 47.63 47.62 47.60RANCHBY3 0.049 41.94 41.85 41.83 41.81 41.78SV8507-DO-001 Rev 2 F-318/10/02
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Minnegang CreekFlood Study
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© Kellogg Brown & Root Pty Ltd, 20
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SummaryThis report presents the det
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The RatHGL modelling indicated that
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FIGURESSectionPageFigure 2-1 Catchm
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ABBREVIATIONSAEPAHDARIAR&RDCPIFDLEP
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2 Catchment DescriptionThe Minnegan
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Figure 2.1CATCHMENT AND STUDY AREAM
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Illawarra Flood Study investigated
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The catchment was divided into 64 s
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To determine the peak flow from the
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5 Hydraulic Modelling5.1 INTRODUCTI
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Table 5-1 MIKE 11 river branchesBra
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elationship that is determined from
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interaction between the numerical m
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significantly affected since the ex
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Since Points A and B correspond to
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5.9 MODEL SENSITIVITY ANALYSESSensi
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555053.09RANCHBY AVEElevation (m AH
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Creek and pass directly over Northc
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5.12.4 Overland flow pathsAs discus
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Table 6-1 Peak design dischargesBra
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55.050.0PMF Flood Level1% AEP Flood
Page 58 and 59: 1% AEP velocities and flow distribu
Page 60 and 61: 2524.52423.5RL (m)231% AEP velociti
Page 62 and 63: RL (m)3433.53332.53231.53130.53029.
Page 64 and 65: Figure 5-6.Table 6-2 Piped drainage
Page 66 and 67: that handrails above these structur
Page 68 and 69: flooding within the catchment are n
Page 70 and 71: 35.01% AEP flood level - blocked ca
Page 72 and 73: 20.01% AEP flood level - blocked ca
Page 74 and 75: Appendix AReferencesBureau of Meteo
Page 76 and 77: Appendix BGLOSSARYSV8507-DO-001 Rev
Page 78 and 79: hydraulicshydrographhydrologyMIKE 1
Page 80 and 81: Appendix CHistorical Flood DataRECO
Page 82 and 83: Time Rain(mm)Time Rain(mm)Time Rain
Page 85 and 86: Appendix DRAFTS HYDROLOGIC MODELSV8
Page 87 and 88: MHE .5359 .3573 12.10 12.10 5.000 1
Page 89 and 90: Mannings n 0.025 0.025 0.025 0.025
Page 91 and 92: Mannings n 0.025 0.025 0.025 0.025
Page 93 and 94: MH94 67.500 15.00 1.500 2.500 .0000
Page 95 and 96: Appendix EMIKE 11 HYDRAULIC MODELSV
Page 97 and 98: EXIST ; DENISE2 ; 0.005; 0.133; 100
Page 99 and 100: 22.40; 88.40;23.30; 100.00;25.10; 1
Page 101 and 102: 27.26; 128.96;27.43; 137.64;28.08;
Page 103 and 104: 1; 1.250;0;1.800; 1.250; 0.000; 0.0
Page 105 and 106: PIPE_10; 0.108; EXIST;57.000; 159.0
Page 107: Appendix FMIKE11 RESULTS SUMMARYThi
Page 111 and 112: BRANCH CHAINAGE PMF 1% AEP 2% AEP 5
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Minnegang Creek Flood Study Report - Wollongong City Council

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