Minnegang Creek Flood Study Report - Wollongong City Council

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2524.52423.5RL (m)231% AEP velocities and flow distribution0.5 m/s 1.0 m/s 1.1 m/s 1.4 m/s 1.0 m/s3% 21% 26% 26% 24%22.52221.52120.52020 30 40 50 60 70 80 90 100 110Offset (m)RL (m)2% AEP velocities and flow distribution2524.52423.50.5 m/s 0.9 m/s 1.0 m/s 1.3 m/s 1.0 m/s2% 20% 26% 28% 23%2322.52221.52120.52020 30 40 50 60 70 80 90 100 110Offset (m)5% AEP velocities and flow distribution20% AEP velocities and flow distribution2524.52524.5RL (m)2423.52322.5220.4 m/s1%0.8 m/s 1.0 m/s 1.2 m/s 1.0 m/s19% 27% 30% 23%RL (m)2423.52322.5220.6 m/s 0.9 m/s 1.3 m/s 1.1 m/s8% 21% 41% 30%21.521.5212120.52020 30 40 50 60 70 80 90 100 110Offset (m)20.52020 30 40 50 60 70 80 90 100 110Offset (m)Figure 6-10VELOCITY AND FLOW DISTRIBUTIONSMINNEGAN 0.835Minnegang Creek Flood Study
1% AEP velocities and flow distribution2% AEP velocities and flow distribution14141212RL (m)10860.8 m/s1%2.1 m/s39%2.1 m/s57%1.1 m/s3%RL (m)10860.7 m/s1%2.0 m/s39%2.0 m/s58%1.1 m/s2%442200 5 10 15 20 25 30 35Offset (m)00 5 10 15 20 25 30 35Offset (m)5% AEP velocities and flow distribution20% AEP velocities and flow distribution14141212RL (m)10861.9 m/s39%2.0 m/s59%1.0 m/s2%RL (m)10861.9 m/s38%2.0 m/s61%442200 5 10 15 20 25 30 35Offset (m)00 5 10 15 20 25 30 35Offset (m)Note: FRP - Flood Risk Precinct (see Section 6.1.2)Figure 6-11VELOCITY AND FLOW DISTRIBUTIONSMINNEGAN 1.545Minnegang Creek Flood Study
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Minnegang CreekFlood Study
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© Kellogg Brown & Root Pty Ltd, 20
Page 6 and 7:
SummaryThis report presents the det
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The RatHGL modelling indicated that
Page 10 and 11: FIGURESSectionPageFigure 2-1 Catchm
Page 12 and 13: ABBREVIATIONSAEPAHDARIAR&RDCPIFDLEP
Page 14 and 15: 2 Catchment DescriptionThe Minnegan
Page 16: Figure 2.1CATCHMENT AND STUDY AREAM
Page 20 and 21: Illawarra Flood Study investigated
Page 23 and 24: The catchment was divided into 64 s
Page 25 and 26: To determine the peak flow from the
Page 27 and 28: 5 Hydraulic Modelling5.1 INTRODUCTI
Page 29: Table 5-1 MIKE 11 river branchesBra
Page 32 and 33: elationship that is determined from
Page 34 and 35: interaction between the numerical m
Page 36 and 37: significantly affected since the ex
Page 38 and 39: Since Points A and B correspond to
Page 41 and 42: 5.9 MODEL SENSITIVITY ANALYSESSensi
Page 43 and 44: 555053.09RANCHBY AVEElevation (m AH
Page 45 and 46: Creek and pass directly over Northc
Page 47: 5.12.4 Overland flow pathsAs discus
Page 50 and 51: Table 6-1 Peak design dischargesBra
Page 52 and 53: 55.050.0PMF Flood Level1% AEP Flood
Page 58 and 59: 1% AEP velocities and flow distribu
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 and 108: Appendix FMIKE11 RESULTS SUMMARYThi
Page 109 and 110: BRANCH CHAINAGE PMF 1% AEP 2% AEP 5
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BRANCH CHAINAGE PMF 1% AEP 2% AEP 5
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Minnegang Creek Flood Study Report - Wollongong City Council

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